/* ============================================
   STONE FILM - Luxury + Animation + Mobile
   ============================================ */

:root {
    --black: #0a0a0a;
    --charcoal: #141414;
    --dark: #1a1a1a;
    --dark-mid: #222222;
    --mid: #333333;
    --grey: #666666;
    --grey-light: #999999;
    --silver: #b0b0b0;
    --pearl: #d4d0c8;
    --cream: #f5f3ef;
    --white: #fafaf8;
    --pure-white: #ffffff;
    --gold: #b8965a;
    --gold-light: #d4b07a;
    --gold-muted: rgba(184, 150, 90, 0.12);
    --font-display: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --max-width: 1400px;
    --radius: 2px;
    --radius-md: 4px;
    --radius-lg: 8px;
    --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    
    /* Carousel Variables */
    --carousel-size: 260px;
    --carousel-radius: 400px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html {
    font-size: 16px;
    scroll-padding-top: 80px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    color: var(--mid);
    background: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
}

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 clamp(20px, 3vw, 48px); }

a { color: inherit; text-decoration: none; }

::selection { background: var(--gold-muted); color: var(--black); }

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--cream); }
::-webkit-scrollbar-thumb { background: var(--silver); border-radius: 3px; }

/* ---------- Custom Cursor ---------- */
@media (pointer: fine) {
    .cursor-outline {
        position: fixed;
        top: 0;
        left: 0;
        width: 32px;
        height: 32px;
        border: 1px solid rgba(184, 150, 90, 0.4);
        border-radius: 50%;
        transform: translate(-50%, -50%);
        pointer-events: none;
        z-index: 9999;
        transition: width 0.2s ease, height 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
        will-change: transform;
    }

    .cursor-outline.hover {
        width: 48px;
        height: 48px;
        background-color: rgba(184, 150, 90, 0.08);
        border-color: var(--gold-light);
    }
}
@media (pointer: coarse) {
    .cursor-outline { display: none; }
}

/* ---------- Scroll Progress ---------- */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--gold), var(--gold-light));
    z-index: 9999;
    width: 0%;
    transition: width 0.1s linear;
}

/* ---------- Reveal Animations ---------- */
.reveal-up, .reveal-left, .reveal-scale {
    opacity: 0;
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
    transition-delay: var(--delay, 0s);
}

.reveal-up { transform: translateY(40px); }
.reveal-left { transform: translateX(-40px); }
.reveal-scale { transform: scale(0.95); }

.reveal-up.visible { opacity: 1; transform: translateY(0); }
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-scale.visible { opacity: 1; transform: scale(1); }

/* Hero-specific entrance animations */
.anim-fade-up {
    opacity: 0;
    transform: translateY(30px);
    animation: heroFadeUp 0.9s var(--ease-out) forwards;
}
.anim-d1 { animation-delay: 0.15s; }
.anim-d2 { animation-delay: 0.3s; }
.anim-d2-5 { animation-delay: 0.38s; }
.anim-d3 { animation-delay: 0.45s; }

@keyframes heroFadeUp {
    to { opacity: 1; transform: translateY(0); }
}

/* ---------- Navbar ---------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(250, 250, 248, 0.88);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    transition: all 0.4s ease;
}

.navbar.scrolled {
    background: rgba(250, 250, 248, 0.97);
    box-shadow: 0 1px 0 rgba(0,0,0,0.06);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-brand {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-logo {
    height: 32px;
    width: auto;
    object-fit: contain;
}

.brand-word-stone { color: var(--black); }
.brand-word-film { color: var(--gold); }
.brand-word-sydney { color: var(--black); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    padding: 8px 18px;
    font-size: 0.85rem;
    font-weight: 600; /* Increased contrast */
    color: var(--black); /* Darker text */
    letter-spacing: 0.01em;
    transition: color 0.25s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 18px;
    right: 18px;
    height: 1px;
    background: var(--gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.nav-link:hover { color: var(--black); }
.nav-link:hover::after { transform: scaleX(1); }

.nav-cta {
    margin-left: 16px;
    color: var(--black) !important;
    font-weight: 500;
    border: 1px solid var(--black);
    border-radius: var(--radius);
    padding: 9px 22px;
    transition: all 0.3s ease;
}

.nav-cta::after { display: none; }

.nav-cta:hover {
    background: var(--black);
    color: var(--pure-white) !important;
}

.nav-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    position: relative;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    z-index: 1001;
    flex-shrink: 0;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #000000 !important;
    transition: all 0.3s ease;
    position: absolute;
    border-radius: 2px;
}

.nav-toggle span:first-child { top: 16px; }
.nav-toggle span:last-child { bottom: 16px; }

.nav-toggle.active span:first-child {
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
}

.nav-toggle.active span:last-child {
    bottom: 50%;
    transform: translateY(50%) rotate(-45deg);
}

/* ---------- Immersive Hero ---------- */
.immersive-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: transparent;
}

.hero-background-wrapper {
    position: fixed;
    inset: 0;
    z-index: -1;
    /* Hardware acceleration for smooth scrolling */
    transform: translateZ(0);
}

.hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.05);
    animation: slowZoom 25s linear infinite alternate;
}

@keyframes slowZoom {
    0% { transform: scale(1.02); }
    100% { transform: scale(1.1); }
}

.hero-bg-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 50% 45%, rgba(10,10,10,0.72) 0%, rgba(10,10,10,0.45) 50%, rgba(10,10,10,0.2) 100%),
        linear-gradient(to bottom, rgba(10,10,10,0.3) 0%, rgba(10,10,10,0.15) 40%, rgba(10,10,10,0.6) 100%);
}

.hero-shine-layer {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}

.hero-shine-layer::before,
.hero-shine-layer::after {
    content: '';
    position: absolute;
    inset: 0;
    /* Gloss - crisp defined highlight */
    background-image: linear-gradient(130deg, 
        transparent 0%, 
        transparent 44%, 
        rgba(255, 255, 255, 0.08) 46.5%, 
        rgba(255, 255, 255, 0.35) 49%, 
        rgba(255, 255, 255, 0.55) 50%, 
        rgba(255, 255, 255, 0.35) 51%, 
        rgba(255, 255, 255, 0.08) 53.5%, 
        transparent 56%, 
        transparent 100%);
    background-size: 300% 300%;
    mix-blend-mode: soft-light;
    transition: background-image 0.6s ease;
}

/* JS Scroll Layer */
.hero-shine-layer::before {
    background-position: var(--scroll-pos, 100% 100%);
    opacity: var(--scroll-opacity, 0);
}

/* Auto Animation Layer */
.hero-shine-layer::after {
    opacity: 0;
    animation: autoShine 8s ease-in-out infinite;
}

@keyframes autoShine {
    0% { background-position: 100% 100%; opacity: 0; }
    7% { opacity: 0.8; }
    20% { opacity: 0.8; }
    35% { background-position: 0% 0%; opacity: 0; }
    100% { background-position: 0% 0%; opacity: 0; }
}

/* Manual Shine Trigger */
.hero-shine-layer.manual-shine-trigger::after {
    animation: manualShine 1.8s ease-in-out forwards !important;
}

@keyframes manualShine {
    0% { background-position: 100% 100%; opacity: 0; }
    20% { opacity: 0.7; }
    80% { opacity: 0.7; }
    100% { background-position: 0% 0%; opacity: 0; }
}

/* Satin */
.hero-background-wrapper.satin-active .hero-shine-layer::before,
.hero-background-wrapper.satin-active .hero-shine-layer::after {
    /* Diffused, muted reflection for matte/satin surfaces */
    background-image: linear-gradient(125deg, 
        transparent 0%, 
        transparent 35%, 
        rgba(255, 255, 255, 0.05) 40%, 
        rgba(255, 255, 255, 0.12) 46%, 
        rgba(255, 255, 255, 0.18) 50%, 
        rgba(255, 255, 255, 0.12) 54%, 
        rgba(255, 255, 255, 0.05) 60%, 
        transparent 65%, 
        transparent 100%);
    mix-blend-mode: screen;
}

.immersive-container {
    position: relative;
    z-index: 2;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding-top: 120px;
    padding-bottom: 80px;
}

.immersive-content {
    width: 100%;
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-eyebrow {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--gold);
    margin-bottom: 24px;
    display: inline-block;
    text-shadow: 0 2px 12px rgba(0,0,0,0.8), 0 1px 4px rgba(0,0,0,0.6);
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(3.2rem, 6.5vw, 5.5rem);
    font-weight: 400;
    color: var(--pure-white);
    line-height: 1.05;
    letter-spacing: -0.04em;
    margin-bottom: 32px;
    text-shadow: 0 4px 32px rgba(0,0,0,0.8), 0 2px 8px rgba(0,0,0,0.6);
}

.italic-serif {
    font-family: 'Times New Roman', Times, serif;
    font-style: italic;
    font-weight: 300;
    color: var(--gold-light);
}

.hero-sub {
    font-size: 1.25rem;
    font-weight: 300;
    color: var(--pearl);
    line-height: 1.6;
    width: 100%;
    max-width: 600px;
    margin-bottom: 48px;
    text-shadow: 0 2px 16px rgba(0,0,0,0.9), 0 1px 6px rgba(0,0,0,0.7);
}

.hero-slogans {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 48px;
}

.slogan {
    font-size: 0.9rem;
    color: var(--gold-light);
    font-style: italic;
    font-weight: 300;
    letter-spacing: 0.04em;
}

.slogan-dot {
    width: 4px;
    height: 4px;
    background: var(--gold);
    border-radius: 50%;
    opacity: 0.5;
}

.btn-large-luxury {
    padding: 18px 42px;
    font-size: 1.05rem;
    letter-spacing: 0.05em;
    border-radius: 2px;
}

/* Floating Card */
.immersive-floating-card {
    margin-bottom: 30px;
}

.glass-card {
    background: rgba(20, 20, 20, 0.4);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 24px;
    border-radius: 4px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    max-width: 320px;
    box-shadow: 0 24px 64px rgba(0,0,0,0.4);
}

.glass-icon {
    color: var(--gold);
    background: rgba(184, 150, 90, 0.1);
    padding: 12px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.glass-text h4 {
    color: var(--pure-white);
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 6px;
}

.glass-text p {
    color: var(--silver);
    font-size: 0.85rem;
    line-height: 1.5;
}

/* Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 40px;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 16px;
}

.scroll-text {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--silver);
}

.scroll-line-container {
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    position: relative;
    overflow: hidden;
}

.scroll-dot {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 30%;
    background: var(--gold);
    animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(300%); }
}

/* ---------- Hero Watermark Logo ---------- */
.hero-watermark {
    position: absolute;
    top: 45%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    color: rgba(255, 255, 255, 0.035);
    z-index: 0;
    pointer-events: none;
    animation: slowRotate 120s linear infinite;
}
@keyframes slowRotate {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

@media (max-width: 992px) {
    .hero-watermark {
        width: 350px;
        height: 350px;
        top: 35%;
    }
}

/* ---------- Luxury Features Ticker ---------- */
.hero-ticker-wrapper {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: 0 auto 48px;
    overflow: hidden;
    mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
    mask-size: 100% 100%;
    -webkit-mask-size: 100% 100%;
    mask-repeat: no-repeat;
    -webkit-mask-repeat: no-repeat;
}
.hero-ticker {
    display: flex;
    white-space: nowrap;
    overflow: hidden;
    padding: 12px 0;
    border-top: 1px solid rgba(255,255,255,0.06);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    background: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.02) 50%, rgba(255,255,255,0) 100%);
}
.ticker-content {
    display: flex;
    gap: 30px;
    align-items: center;
    animation: tickerLoop 25s linear infinite;
}
.ticker-content span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--pure-white);
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}
.ticker-content span.logo-sep {
    color: var(--gold);
    opacity: 0.35;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.ticker-content span.logo-sep svg {
    width: 22px;
    height: 22px;
}
.ticker-content svg {
    color: var(--gold);
    width: 14px;
    height: 14px;
}
@keyframes tickerLoop {
    0% { transform: translateX(0); }
    100% { transform: translateX(calc(-50% - 15px)); }
}

@media (max-width: 992px) {
    /* CRITICAL: Switch hero bg from fixed to absolute on mobile so it doesn't cover content */
    .hero-background-wrapper {
        position: absolute;
    }

    .immersive-container {
        padding-top: 100px;
    }
    
    .hero-bg-gradient {
        background: linear-gradient(to top, rgba(10,10,10,0.95) 0%, rgba(10,10,10,0.8) 50%, rgba(10,10,10,0.4) 100%);
    }

    .hero h1 {
        font-size: clamp(2.8rem, 11vw, 3.8rem);
    }
}
@media (max-width: 768px) {
    .immersive-container {
        padding-top: 80px;
    }
}
/* ---------- Finish Selector ---------- */
.hero-finish-selector {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin-top: 16px;
    margin-bottom: 64px;
}

.finish-label {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--grey-light);
    opacity: 0.8;
}

.finish-toggle-wrapper {
    position: relative;
    display: inline-flex;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 40px;
    padding: 5px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    gap: 6px;
}

.finish-btn {
    width: 170px;
    position: relative;
    z-index: 2;
    background: transparent;
    border: none;
    color: var(--grey-light);
    font-family: var(--font-body);
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    padding: 10px 0;
    cursor: pointer;
    transition: color 0.4s ease;
    outline: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.finish-btn svg {
    width: 16px;
    height: 16px;
    color: inherit;
    transition: transform 0.3s ease;
}

.finish-btn:hover svg {
    transform: scale(1.1);
}

.finish-btn.active {
    color: var(--black);
}

.finish-glider {
    position: absolute;
    top: 5px;
    left: 5px;
    bottom: 5px;
    width: 170px;
    background: var(--gold);
    border-radius: 30px;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1;
}

.finish-toggle-wrapper.satin-active .finish-glider {
    transform: translateX(176px);
}

/* Background Image Adjustments */
.hero-bg-image {
    transition: filter 0.8s ease;
}

.hero-background-wrapper.satin-active .hero-bg-image {
    filter: contrast(0.85) brightness(0.9) blur(1px);
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    border: none;
    font-family: var(--font-body);
    font-size: 0.84rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    cursor: pointer;
    transition: all 0.35s var(--ease);
    text-decoration: none;
}

.btn-gold {
    background: var(--gold);
    color: var(--black);
    border-radius: var(--radius);
}

.btn-gold:hover {
    background: var(--gold-light);
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(184, 150, 90, 0.25);
}

.btn-ghost {
    background: transparent;
    color: var(--silver);
    padding: 14px 20px;
    font-weight: 400;
    letter-spacing: 0.04em;
}

.btn-ghost:hover { color: var(--pure-white); }

.btn-outline-light {
    background: transparent;
    color: var(--pure-white);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius);
}

.btn-outline-light:hover {
    border-color: rgba(255,255,255,0.5);
    background: rgba(255,255,255,0.05);
}

.btn-full { width: 100%; padding: 16px 32px; }

/* ---------- Marquees ---------- */
.marquee-section {
    width: 100%;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 2;
}

.marquee-container {
    width: 100%;
    padding: 16px 0;
    display: flex;
    white-space: nowrap;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.marquee-dark {
    background: var(--charcoal);
    color: var(--white);
    border-bottom: none;
}

.marquee-light {
    background: var(--cream);
    color: var(--black);
}

.marquee-track {
    display: inline-flex;
}

.track-left {
    animation: scrollLeft 45s linear infinite;
}

.track-right {
    animation: scrollRight 45s linear infinite;
}

.marquee-content {
    display: inline-flex;
    align-items: center;
}

.marquee-content span {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    padding: 0 32px;
}

.marquee-content .dot {
    color: var(--gold);
    font-size: 1.2rem;
    padding: 0;
}

.marquee-light .dot {
    color: rgba(0,0,0,0.3);
}

@keyframes scrollLeft {
    0% { transform: translateX(0); }
    100% { transform: translateX(-33.3333%); }
}

@keyframes scrollRight {
    0% { transform: translateX(-33.3333%); }
    100% { transform: translateX(0); }
}

/* ---------- Manifesto Section ---------- */
.manifesto-section {
    background: var(--white);
    padding: 100px 0 80px;
    text-align: center;
}

.manifesto-text {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 4vw, 3.8rem);
    font-weight: 300;
    color: var(--black);
    line-height: 1.25;
    letter-spacing: -0.03em;
}

.manifesto-sub {
    font-family: 'Times New Roman', Times, serif;
    font-style: italic;
    color: var(--gold);
    font-size: 0.9em;
    font-weight: 400;
    margin-top: 8px;
    display: inline-block;
}

/* ---------- Sections ---------- */
.section { 
    padding: 120px 0; 
    background: var(--white);
    position: relative;
    z-index: 2;
}

.section-alt { background: var(--cream); }

.section-dark {
    background: var(--charcoal);
    color: var(--pure-white);
}

.section-dark .section-title { color: var(--pure-white); }
.section-dark .section-eyebrow { color: var(--gold); }

.section-header { width: 100%; max-width: 640px; margin-bottom: 72px; }

.section-eyebrow {
    font-size: 0.68rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: var(--gold);
    margin-bottom: 20px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.7rem, 3vw, 2.5rem);
    font-weight: 300;
    color: var(--black);
    letter-spacing: -0.03em;
    line-height: 1.2;
}



/* ---------- Split (Why Us) ---------- */
.split-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.stacked-layout {
    display: flex;
    flex-direction: column;
    gap: 64px;
}

.stacked-layout .split-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.stacked-layout .section-header { margin-bottom: 48px; }

.stacked-layout .features-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    text-align: left;
    max-width: 100%;
    margin: 0 auto;
}

.split-content .section-header { margin-bottom: 48px; }

.features-list {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.feature-item {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.feature-line {
    width: 2px;
    min-height: 48px;
    background: linear-gradient(180deg, var(--gold), rgba(184, 150, 90, 0.1));
    flex-shrink: 0;
    margin-top: 2px;
    border-radius: 1px;
}

.feature-item h4 {
    font-family: var(--font-display);
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--pure-white);
    margin-bottom: 5px;
}

.feature-item p {
    font-size: 0.84rem;
    color: var(--silver);
    line-height: 1.7;
    font-weight: 300;
}

/* Visual demo */
.visual-card {
    background: var(--dark-mid);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-lg);
    overflow: hidden;
    padding: 28px;
}

/* ---------- Interactive Comparison Slider ---------- */
.split-slider-container {
    position: relative;
    width: 100%;
    height: clamp(320px, 38vw, 580px);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: #000;
    box-shadow: 0 15px 40px rgba(0,0,0,0.5);
    border: 1px solid rgba(255,255,255,0.05);
}

.slider-base-img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    transition: opacity 0.4s ease;
}

.slider-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    clip-path: polygon(50% 0, 100% 0, 100% 100%, 50% 100%);
}

.slider-overlay-img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.4s ease;
}

.slider-handle {
    position: absolute;
    top: 0;
    left: 50%;
    height: 100%;
    width: 2px;
    z-index: 3;
    pointer-events: none;
    transform: translateX(-50%);
}

.handle-line {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.5);
    box-shadow: 0 0 15px rgba(0,0,0,0.8);
}

.handle-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 56px;
    height: 56px;
    background: rgba(10, 10, 10, 0.65);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4px;
    color: var(--gold);
    box-shadow: 0 8px 24px rgba(0,0,0,0.6), inset 0 0 12px rgba(184, 150, 90, 0.15);
    border: 1px solid rgba(184, 150, 90, 0.4);
    transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.split-slider-container:hover .handle-btn {
    background: rgba(15, 15, 15, 0.85);
    border-color: rgba(184, 150, 90, 0.7);
    transform: translate(-50%, -50%) scale(1.08);
}

.slider-input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: ew-resize;
    z-index: 20;
    margin: 0;
    touch-action: pan-y;
}

/* Slider Elegant Typography Badge */
.slider-elegant-text {
    position: absolute;
    top: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    pointer-events: none;
    text-align: center;
    width: 90%;
}

.slider-elegant-text span {
    display: inline-block;
    max-width: 300px;
    font-family: var(--font-display);
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--gold);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-shadow: 0 4px 15px rgba(0,0,0,0.8), 0 0 5px rgba(0,0,0,0.5);
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    padding: 10px 20px;
    border-radius: 12px;
    border: 1px solid rgba(184, 150, 90, 0.4);
    box-shadow: 0 5px 20px rgba(0,0,0,0.8);
}

/* Static Side Labels */
.bna-side-label {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(10, 10, 10, 0.7);
    color: var(--pure-white);
    padding: 8px 14px;
    border-radius: 30px;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    backdrop-filter: blur(10px);
    white-space: nowrap;
    border: 1px solid rgba(255,255,255,0.15);
    box-shadow: 0 4px 15px rgba(0,0,0,0.5);
    z-index: 5;
    pointer-events: none;
}

.label-left-side {
    left: 24px;
}

.label-right-side {
    right: 24px;
    color: var(--gold);
    border-color: rgba(184, 150, 90, 0.3);
}

/* ---------- Process Grid ---------- */
.process-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 48px;
}

.process-card {
    background: rgba(250, 250, 248, 0.5);
    border: 1px solid rgba(0, 0, 0, 0.04);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease, border-color 0.4s ease;
}

.process-card:hover {
    border-color: rgba(184, 150, 90, 0.3);
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.06);
}

.process-image-wrapper {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.process-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.process-card:hover .process-img {
    transform: scale(1.05);
}

.process-num-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(8px);
    color: var(--gold);
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid rgba(184, 150, 90, 0.3);
    letter-spacing: 0.05em;
    z-index: 2;
}

.process-content {
    padding: 32px 24px;
}

.process-content h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--black);
    margin-bottom: 12px;
}

.process-content p {
    font-size: 0.85rem;
    color: var(--grey);
    line-height: 1.6;
    font-weight: 400;
}

/* ---------- Stone Showcase ---------- */
.stone-showcase {
    margin-top: 48px;
}

/* ---------- Stone Timer ---------- */
.stone-timer {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 28px;
    height: 28px;
    z-index: 10;
}

.stone-timer svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.timer-bg {
    fill: none;
    stroke: rgba(255, 255, 255, 0.1);
    stroke-width: 2.5;
}

.timer-progress {
    fill: none;
    stroke: var(--gold);
    stroke-width: 2.5;
    stroke-dasharray: 100, 100;
    stroke-dashoffset: 100;
    stroke-linecap: round;
}

.timer-progress.running {
    animation: countdown 7s linear forwards;
}

@keyframes countdown {
    0% { stroke-dashoffset: 100; }
    100% { stroke-dashoffset: 0; }
}

.stone-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
}

@media (min-width: 1025px) {
    .stone-tabs {
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        max-width: 950px;
        margin: 0 auto 40px auto;
    }
    .stone-tab {
        justify-content: flex-start;
    }
}

.stone-tab {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--white);
    border: 1px solid rgba(0,0,0,0.08);
    border-radius: 40px;
    padding: 6px 20px 6px 6px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    outline: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.02);
}

.stone-tab:hover {
    border-color: rgba(0,0,0,0.2);
    box-shadow: 0 8px 24px rgba(0,0,0,0.06);
    transform: translateY(-2px);
}

.stone-tab.active {
    background: var(--black);
    border-color: var(--black);
    transform: translateY(0);
}

.stone-tab span {
    font-family: var(--font-display);
    font-size: 0.88rem;
    color: var(--mid);
    font-weight: 500;
    transition: color 0.3s ease;
}

.stone-tab.active span {
    color: var(--white);
}

.stone-thumb {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-size: cover;
    background-position: center;
    box-shadow: inset 0 0 0 1px rgba(0,0,0,0.1);
}

.stone-panel-container {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--black);
    min-height: 380px;
    box-shadow: 0 24px 64px rgba(0,0,0,0.08);
    display: flex;
    flex-direction: column;
}

.stone-panel {
    position: absolute;
    inset: 0;
    display: flex;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s ease;
}

.stone-panel.active {
    opacity: 1;
    pointer-events: auto;
    z-index: 2;
    position: relative;
    flex: 1;
}

.stone-panel-bg {
    flex: 1;
    background-size: cover;
    background-position: center;
    position: relative;
}

.stone-panel-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, transparent 30%, rgba(10,10,10,1) 95%);
}

.stone-panel-content {
    width: 45%;
    max-width: 500px;
    background: rgba(10,10,10,1);
    padding: 60px 56px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.stone-panel-content h3 {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 300;
    color: var(--white);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.stone-panel-content p {
    font-size: 0.94rem;
    color: var(--silver);
    line-height: 1.8;
    font-weight: 300;
}

@media (max-width: 900px) {
    .stone-panel { flex-direction: column; }
    .stone-panel-bg { min-height: 240px; }
    .stone-panel-bg::after { background: linear-gradient(to bottom, transparent 30%, rgba(10,10,10,1) 95%); }
    .stone-panel-content { width: 100%; max-width: 100%; padding: 40px 32px; }
}

.surfaces-note {
    font-size: 0.84rem;
    color: var(--grey-light);
    font-weight: 300;
}

/* ---------- Testimonials ---------- */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.testimonial-card {
    border: 1px solid rgba(0,0,0,0.06);
    border-radius: var(--radius-lg);
    padding: 44px 36px 36px;
    background: var(--pure-white);
    transition: all 0.4s var(--ease);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.testimonial-card::before {
    content: '\201C';
    position: absolute;
    top: 20px;
    left: 28px;
    font-family: 'Times New Roman', Times, serif;
    font-size: 4.5rem;
    line-height: 1;
    color: var(--gold);
    opacity: 0.12;
    pointer-events: none;
}

.testimonial-card:hover {
    border-color: rgba(0,0,0,0.12);
    box-shadow: 0 16px 48px rgba(0,0,0,0.07);
    transform: translateY(-4px);
}

.testimonial-stars {
    display: flex;
    gap: 3px;
    margin-bottom: 20px;
}

.testimonial-stars svg {
    width: 14px;
    height: 14px;
    fill: var(--gold);
}

.testimonial-quote {
    font-size: 0.92rem;
    line-height: 1.8;
    color: var(--mid);
    font-weight: 300;
    flex: 1;
    margin-bottom: 28px;
}

.testimonial-author {
    padding-top: 20px;
    border-top: 1px solid rgba(0,0,0,0.05);
    display: flex;
    align-items: center;
    gap: 14px;
}

.author-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--cream);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--gold);
    flex-shrink: 0;
    border: 1px solid rgba(184, 150, 90, 0.15);
}

.author-name {
    display: block;
    font-family: var(--font-display);
    font-size: 0.84rem;
    font-weight: 500;
    color: var(--black);
}

.author-name-group {
    display: flex;
    align-items: center;
    gap: 4px;
}

.verified-badge {
    position: relative;
    display: inline-flex;
    align-items: center;
    cursor: pointer;
}

.verified-badge::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-4px);
    background: #202124;
    color: #fff;
    font-size: 0.65rem;
    padding: 4px 8px;
    border-radius: 4px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    pointer-events: none;
    font-family: var(--font-base);
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    z-index: 10;
}

.verified-badge::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    border-width: 4px;
    border-style: solid;
    border-color: #202124 transparent transparent transparent;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    pointer-events: none;
    z-index: 10;
}

.verified-badge:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-8px);
}
.verified-badge:hover::before {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.author-location {
    display: block;
    font-size: 0.72rem;
    color: var(--grey-light);
    font-weight: 300;
    margin-top: 2px;
}

/* ---------- FAQ ---------- */
.faq-list { max-width: 680px; }

.faq-item { border-bottom: 1px solid rgba(0,0,0,0.07); }

.faq-question {
    padding: 24px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    gap: 24px;
    user-select: none;
}

.faq-question span {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 400;
    color: var(--black);
    transition: color 0.25s ease;
}

.faq-question:hover span { color: var(--gold); }

.faq-icon {
    width: 20px;
    height: 20px;
    position: relative;
    flex-shrink: 0;
}

.faq-icon span {
    display: block;
    position: absolute;
    top: 50%;
    left: 50%;
    width: 12px;
    height: 1px;
    background: var(--grey-light);
    transform: translate(-50%, -50%);
    transition: transform 0.3s ease;
}

.faq-icon span::after {
    content: '';
    display: block;
    width: 12px;
    height: 1px;
    background: var(--grey-light);
    transform: rotate(90deg);
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.faq-item.open .faq-icon span::after { transform: rotate(0); opacity: 0; }

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s var(--ease);
}

.faq-item.open .faq-answer { max-height: 200px; }

.faq-answer-inner {
    padding: 0 0 24px;
    font-size: 0.86rem;
    color: var(--grey);
    line-height: 1.75;
    font-weight: 300;
}

/* ---------- CTA Section ---------- */
.cta-section {
    background: linear-gradient(135deg, var(--dark) 0%, var(--charcoal) 50%, #1a1510 100%);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 60% 60% at 50% 50%, rgba(184, 150, 90, 0.05), transparent);
}

.cta-inner {
    position: relative;
    z-index: 1;
}

.cta-section h2 {
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 300;
    color: var(--pure-white);
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.cta-section p {
    font-size: 1rem;
    color: var(--silver);
    font-weight: 300;
    margin-bottom: 36px;
}

.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    align-items: center;
}

/* ---------- Contact ---------- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact-info .section-header { margin-bottom: 24px; }

.contact-desc {
    font-size: 0.92rem;
    color: var(--silver);
    line-height: 1.75;
    font-weight: 300;
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-line {
    display: flex;
    align-items: baseline;
    gap: 16px;
    font-size: 0.86rem;
}

.contact-label {
    font-size: 0.65rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--grey-light);
    min-width: 90px;
    flex-shrink: 0;
}

.contact-line a, .contact-line span {
    color: var(--pearl);
    font-weight: 300;
    transition: color 0.2s ease;
}

.contact-line a:hover { color: var(--gold-light); }

.contact-form-wrapper {
    background: rgba(255,255,255,0.02);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 16px;
    padding: 48px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.stacked-layout .contact-form-wrapper {
    width: 100%;
    max-width: 640px;
    margin: 0 auto;
}

.contact-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.contact-form .form-group { 
    margin-bottom: 28px; 
    position: relative;
}

.contact-form label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: rgba(255,255,255,0.6);
    margin-bottom: 10px;
    transition: color 0.3s ease;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 16px 20px;
    background: rgba(0,0,0,0.2);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    color: var(--pure-white);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 300;
    transition: all 0.3s ease;
    resize: vertical;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder { 
    color: rgba(255,255,255,0.2); 
    font-weight: 300;
}

.contact-form input:hover,
.contact-form select:hover,
.contact-form textarea:hover {
    border-color: rgba(255,255,255,0.25);
    background: rgba(0,0,0,0.3);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--gold);
    background: rgba(0,0,0,0.4);
    box-shadow: 0 0 0 4px rgba(184, 150, 90, 0.15);
}

.contact-form .form-group:focus-within label {
    color: var(--gold);
}

.contact-form select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    cursor: pointer;
}

.contact-form select option { background: var(--dark); color: var(--pure-white); }

/* Custom Checkbox Design for Modern Feel */
.contact-form .checkbox-group {
    display: flex; 
    gap: 16px; 
    flex-wrap: wrap;
}

.contact-form .checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
    font-weight: 400;
    padding: 10px 16px;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    background: rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.contact-form .checkbox-label:hover {
    border-color: rgba(255,255,255,0.3);
    background: rgba(0,0,0,0.2);
}

.contact-form .checkbox-label input[type="checkbox"] {
    width: 0;
    height: 0;
    opacity: 0;
    position: absolute;
}

.contact-form .checkbox-label .custom-checkbox {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.contact-form .checkbox-label input[type="checkbox"]:checked ~ .custom-checkbox {
    background: var(--gold);
    border-color: var(--gold);
}

.contact-form .checkbox-label input[type="checkbox"]:focus-visible ~ .custom-checkbox {
    box-shadow: 0 0 0 3px rgba(184, 150, 90, 0.3);
}

.contact-form .checkbox-label .custom-checkbox::after {
    content: '';
    width: 5px;
    height: 10px;
    border: solid #000;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.contact-form .checkbox-label input[type="checkbox"]:checked ~ .custom-checkbox::after {
    opacity: 1;
}

.contact-form .checkbox-label:has(input[type="checkbox"]:checked) {
    border-color: var(--gold);
    color: var(--pure-white);
}

.form-note {
    text-align: center;
    font-size: 0.72rem;
    color: rgba(255,255,255,0.22);
    margin-top: 14px;
    font-weight: 300;
}

.form-success { text-align: center; padding: 48px 20px; }
.success-icon { color: var(--gold); margin-bottom: 24px; }
.form-success h3 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 400;
    color: var(--pure-white);
    margin-bottom: 10px;
}
.form-success p { font-size: 0.88rem; color: var(--silver); font-weight: 300; }

/* ---------- Footer ---------- */
.footer {
    background: var(--black);
    padding: 64px 0 0;
    color: var(--grey);
}

.footer-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    text-align: center;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.footer-logo-img {
    height: 28px;
    width: auto;
    object-fit: contain;
    filter: brightness(0.8) contrast(1.2);
}

.footer .brand-word-stone, .footer .brand-word-sydney { color: var(--pure-white); }

.footer-desc {
    font-size: 0.82rem;
    color: var(--grey-light);
    line-height: 1.7;
    font-weight: 300;
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
}

.footer-col h4 {
    font-family: var(--font-display);
    font-size: 0.65rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--grey-light);
    margin-bottom: 20px;
}

.footer-col a, .footer-col span {
    display: block;
    font-size: 0.82rem;
    color: var(--grey-light);
    font-weight: 300;
    padding: 3px 0;
    transition: color 0.2s ease;
}

.footer-col a:hover { color: var(--pearl); }

.footer-bottom {
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.7rem;
    color: var(--grey-light);
    font-weight: 300;
    letter-spacing: 0.02em;
}

/* ============================================
   RESPONSIVE - Tablet & Mobile
   ============================================ */

@media (max-width: 1024px) {
    .hero-grid { grid-template-columns: 1fr; gap: 40px; }
    .hero-visual { max-width: 480px; }
    .services-grid { grid-template-columns: 1fr; }
    .split-grid { grid-template-columns: 1fr; gap: 48px; }
    .testimonials-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }

    /* Collapse stacked features to single column at tablet */
    .stacked-layout .features-list {
        grid-template-columns: 1fr;
        gap: 28px;
    }
}

@media (max-width: 768px) {
    .container { padding: 0 20px; }

    /* Nav */
    .nav-brand {
        position: relative;
        z-index: 1001;
    }

    .nav-links {
        display: flex;
        position: absolute;
        top: 0;
        right: 0;
        left: auto;
        width: 100%;
        height: 100dvh;
        background: rgba(250, 250, 248, 0.96);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        flex-direction: column;
        justify-content: center;
        padding: 80px 40px;
        gap: 16px;
        z-index: 999;
        opacity: 0;
        pointer-events: none;
        transform: translateX(100%);
        transition: opacity 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        box-shadow: -20px 0 80px rgba(0,0,0,0.1);
    }

    .nav-links.open { 
        opacity: 1; 
        pointer-events: auto; 
        transform: translateX(0); 
    }

    .nav-links .nav-link {
        padding: 8px 0;
        font-family: var(--font-display);
        font-size: 2.2rem;
        font-weight: 300;
        color: var(--black);
        border-bottom: none;
        letter-spacing: -0.02em;
        opacity: 0;
        transform: translateX(30px);
        transition: opacity 0.5s ease, transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }

    .nav-links .nav-link::after { display: none; }

    .nav-links.open .nav-link {
        opacity: 1;
        transform: translateX(0);
    }
    
    .nav-links.open .nav-link:nth-child(1) { transition-delay: 0.1s; }
    .nav-links.open .nav-link:nth-child(2) { transition-delay: 0.15s; }
    .nav-links.open .nav-link:nth-child(3) { transition-delay: 0.2s; }
    .nav-links.open .nav-link:nth-child(4) { transition-delay: 0.25s; }
    .nav-links.open .nav-link:nth-child(5) { transition-delay: 0.3s; }
    .nav-links.open .nav-link.nav-cta { transition-delay: 0.4s; }

    .nav-links .nav-cta {
        margin-left: 0;
        margin-top: 32px;
        text-align: center;
        font-family: var(--font-body);
        font-size: 1.05rem;
        padding: 16px;
        background: var(--black);
        color: var(--pure-white) !important;
        border-radius: var(--radius);
        letter-spacing: 0.05em;
        opacity: 0;
        transform: translateY(20px);
    }

    .nav-links.open .nav-cta {
        opacity: 1;
        transform: translateY(0);
    }

    .nav-toggle { display: flex; z-index: 1001; }

    /* Hero */
    .section { padding: 64px 0; }

    .hero-grid { padding: 48px 20px; }

    .hero h1 { 
        font-size: clamp(2.4rem, 9vw, 3rem); 
        margin-bottom: 32px;
        line-height: 1.15;
    }
    .hero-sub { 
        font-size: 1.05rem; 
        margin-bottom: 56px;
        padding: 0 12px;
        line-height: 1.7;
    }
    
    .hero-ticker-wrapper {
        margin-bottom: 64px;
    }

    .immersive-container {
        padding-top: 120px;
        padding-bottom: 60px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-actions .btn { text-align: center; }

    .hero-visual { max-width: 100%; }

    .hero-image-wrapper { height: 320px; }

    .hero-slogans { flex-direction: column; gap: 4px; align-items: center; }
    .slogan-dot { display: none; }

    /* Hero scroll indicator — hide on mobile for cleanliness */
    .hero-scroll-indicator { display: none; }
    .hero-scroll-line { display: none; }

    /* ---------- Finish Selector Mobile ---------- */
    .finish-btn {
        width: 155px;
        font-size: 0.75rem;
        padding: 8px 0;
    }

    .finish-glider {
        width: 155px;
    }

    .finish-toggle-wrapper.satin-active .finish-glider {
        transform: translateX(161px);
    }

    .hero-finish-selector {
        margin-top: 24px;
        margin-bottom: 44px;
    }

    /* ---------- Stone Tabs: Wrap on mobile ---------- */
    .stone-tabs {
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px 6px;
        margin-bottom: 32px;
    }

    .stone-tabs::-webkit-scrollbar {
        display: none;
    }

    .stone-tab {
        flex-shrink: 0;
        padding: 5px 14px 5px 5px;
    }

    .stone-tab span {
        font-size: 0.8rem;
        white-space: nowrap;
    }

    .stone-thumb {
        width: 28px;
        height: 28px;
    }

    /* Stone panel mobile */
    .stone-panel-container {
        min-height: 480px;
    }

    .stone-panel-content {
        padding: 28px 20px;
    }

    .stone-panel-content h3 {
        font-size: 1.6rem;
    }

    .stone-panel-content p {
        font-size: 0.86rem;
    }

    /* ---------- Comparison Slider Mobile (Auto-Pan) ---------- */
    .split-slider-container {
        height: 340px;
        pointer-events: none;
    }

    .slider-input, .handle-btn {
        display: none !important;
    }

    .slider-elegant-text {
        top: 16px;
    }

    .slider-elegant-text span {
        font-size: 0.7rem;
        padding: 7px 14px;
    }

    .bna-side-label {
        top: auto;
        bottom: 16px;
        transform: none;
        font-size: 0.55rem;
        padding: 5px 10px;
    }

    .label-left-side {
        left: 12px;
    }

    .label-right-side {
        right: 12px;
        color: var(--gold);
    }

    /* Section header mobile */
    .section-header {
        margin-bottom: 40px;
        max-width: 100%;
    }

    /* Glass card mobile */
    .glass-card {
        max-width: 100%;
    }

    /* Stone panel mobile - let height be content-driven */
    .stone-panel-container {
        min-height: auto;
    }

    /* Trust */
    .trust-strip-inner { flex-wrap: wrap; }
    .trust-item { flex: 0 0 50%; padding: 16px 8px; }
    .trust-divider { display: none; }
    .trust-number { font-size: 1.4rem; }
    .trust-label { font-size: 0.6rem; }

    /* Services */
    .service-card { padding: 36px 24px; }

    /* Split */
    .visual-card { padding: 16px; }
    .stone-demo { height: 220px; }

    /* Process */
    .process-grid { grid-template-columns: 1fr; gap: 24px; }

    /* Surfaces */
    .surfaces-grid { gap: 8px; }
    .surface-chip { padding: 10px 18px; font-size: 0.8rem; }

    /* Testimonials */
    .testimonials-grid { grid-template-columns: 1fr; }
    .testimonial-card { padding: 28px 24px; }

    /* FAQ */
    .faq-list { max-width: 100%; }
    .faq-question {
        padding: 18px 16px;
        font-size: 1rem;
    }

    /* CTA */
    .cta-section { padding: 56px 0; }
    .cta-actions { flex-direction: column; align-items: stretch; }
    .cta-actions .btn { text-align: center; }

    /* Contact */
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .contact-form-wrapper { padding: 24px 16px; }
    .contact-form .form-row { grid-template-columns: 1fr; }
    .contact-form .checkbox-group {
        flex-direction: column;
        gap: 10px;
    }

    /* Manifesto */
    .manifesto-section {
        padding: 64px 0 48px;
    }

    /* Footer */
    .footer-grid { grid-template-columns: 1fr; gap: 40px; text-align: center; }
    .footer-logo { justify-content: center; }
    .footer-desc { max-width: 100%; margin: 0 auto; }
    .footer-col { display: flex; flex-direction: column; align-items: center; }
    .footer { padding: 48px 0 0; }
}

@media (max-width: 420px) {
    .hero h1 { font-size: 2.3rem; }
    .hero-grid { padding: 36px 16px; }
    .trust-item { flex: 0 0 50%; }

    /* Even smaller finish selector for tiny screens */
    .finish-btn {
        width: 135px;
        font-size: 0.7rem;
    }

    .finish-glider {
        width: 135px;
    }

    .finish-toggle-wrapper.satin-active .finish-glider {
        transform: translateX(141px);
    }

    .immersive-container {
        padding-top: 100px;
        padding-bottom: 48px;
    }

    .split-slider-container {
        height: 260px;
    }

    .btn-large-luxury {
        padding: 14px 28px;
        font-size: 0.95rem;
    }
}

/* ---------- Page Hero (for sub-pages like Contact) ---------- */
.page-hero {
    padding: 160px 0 48px;
    background: var(--charcoal);
    text-align: center;
}

.page-title {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 300;
    color: var(--pure-white);
    letter-spacing: -0.03em;
    margin-bottom: 12px;
}

.page-subtitle {
    font-size: 1.05rem;
    color: var(--silver);
    font-weight: 300;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .page-hero {
        padding: 120px 0 36px;
    }

    .page-title {
        font-size: clamp(1.8rem, 7vw, 2.4rem);
    }
}



/* ---------- FAQ & Knowledge Base ---------- */
.faq-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-bottom: 40px;
}
.faq-filter-btn {
    background: transparent;
    border: 1px solid rgba(0,0,0,0.1);
    padding: 10px 24px;
    border-radius: 40px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--grey);
    cursor: pointer;
    transition: all 0.3s ease;
}
.faq-filter-btn:hover {
    border-color: var(--gold);
    color: var(--black);
}
.faq-filter-btn.active {
    background: var(--gold);
    color: var(--pure-white);
    border-color: var(--gold);
    font-weight: 500;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.faq-item {
    background: var(--white);
    border: 1px solid rgba(0,0,0,0.06);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
}
.faq-item:hover {
    border-color: rgba(184, 150, 90, 0.3);
    box-shadow: 0 4px 20px rgba(0,0,0,0.03);
}
.faq-question {
    padding: 24px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--black);
}
.faq-icon {
    width: 24px;
    height: 24px;
    position: relative;
}
.faq-icon span {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gold);
    transition: transform 0.3s ease;
}
.faq-icon span::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gold);
    transform: rotate(90deg);
    transition: transform 0.3s ease;
}
.faq-item.active .faq-icon span::after {
    transform: rotate(0deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}
.faq-answer-inner {
    padding: 0 30px 24px;
    color: var(--grey);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ---------- SELLING POINT CTA ---------- */
.selling-point-banner {
    background-color: var(--gold);
    padding: 60px 0;
    margin-bottom: 80px;
}
.selling-point-text {
    color: var(--black);
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3vw, 2.8rem);
    max-width: 900px;
    margin: 0 auto;
    line-height: 1.3;
}

/* ---------- FAQ Answer Grid ---------- */
.faq-answer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 30px;
    align-items: center;
}
.faq-answer-content h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--black);
    margin-bottom: 12px;
}
.faq-answer-content p {
    margin-bottom: 16px;
}
.faq-answer-content ul {
    margin-bottom: 16px;
    padding-left: 20px;
    list-style-type: disc;
}
.faq-answer-content ul li {
    margin-bottom: 8px;
}
.faq-visual {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}
.faq-visual-img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    max-height: 300px;
}
@media (max-width: 768px) {
    .faq-answer-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* ---------- Back to Top ---------- */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    border: none;
    border-radius: 50%;
    background: var(--charcoal);
    color: var(--gold);
    cursor: pointer;
    z-index: 900;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: opacity 0.4s var(--ease), transform 0.4s var(--ease), visibility 0.4s, background 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--gold);
    color: var(--black);
    transform: translateY(-2px);
    box-shadow: 0 6px 28px rgba(184,150,90,0.3);
}

.back-to-top svg.btt-arrow {
    width: 18px;
    height: 18px;
    transition: transform 0.3s var(--ease);
}

.back-to-top:hover svg.btt-arrow {
    transform: translateY(-2px);
}

/* Progress ring around the button */
.back-to-top svg.btt-ring {
    position: absolute;
    top: 0;
    left: 0;
    width: 48px;
    height: 48px;
    transform: rotate(-90deg);
    pointer-events: none;
}

.back-to-top .btt-ring-track {
    fill: none;
    stroke: rgba(255,255,255,0.08);
    stroke-width: 2;
}

.back-to-top .btt-ring-progress {
    fill: none;
    stroke: var(--gold);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-dasharray: 138.23;
    stroke-dashoffset: 138.23;
    transition: stroke-dashoffset 0.15s ease-out;
}

@media (max-width: 768px) {
    .back-to-top {
        bottom: 24px;
        right: 20px;
        width: 42px;
        height: 42px;
    }
    .back-to-top svg.btt-ring {
        width: 42px;
        height: 42px;
    }
}

/* ---------- Surfaces Page Bottom Navigation ---------- */
.surface-nav-bar {
    position: fixed;
    bottom: 40px;
    left: 0;
    right: 0;
    z-index: 998;
    opacity: 0;
    pointer-events: none; /* Prevents the invisible bar from blocking clicks */
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.surface-nav-bar.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.surface-nav-inner {
    position: relative;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 4px;
    width: max-content;
    background: rgba(15, 15, 15, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 40px;
    padding: 6px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5), inset 0 0 12px rgba(255,255,255,0.03);
    pointer-events: auto; /* Re-enable clicks for the actual nav */
}

.surface-nav-link {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--silver);
    padding: 10px 18px;
    border-radius: 30px;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.surface-nav-link.active {
    color: var(--black);
    background: var(--gold);
    box-shadow: 0 4px 12px rgba(184, 150, 90, 0.3);
}

@media (hover: hover) {
    .surface-nav-link:hover {
        color: var(--black);
        background: var(--gold);
        box-shadow: 0 4px 12px rgba(184, 150, 90, 0.3);
    }
}

@media (max-width: 1024px) {
    .surface-nav-bar {
        width: 100%;
        bottom: 24px; /* Move it slightly up on mobile to avoid Safari bottom bar */
        padding: 6px;
    }
    .surface-nav-inner {
        position: relative;
        bottom: 0;
        left: auto;
        transform: none;
        width: calc(100% - 40px);
        margin: 0 auto;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        -ms-overflow-style: none;
        justify-content: flex-start;
    }
    .surface-nav-inner::-webkit-scrollbar {
        display: none;
    }
    .surface-nav-link {
        font-size: 0.7rem;
        padding: 10px 14px;
        flex-shrink: 0;
    }
}

/* ---------- Luxury Bento Grid (Highlights) ---------- */
.luxury-bento-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    padding: 60px 0;
}

.luxury-bento-card {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    min-height: 380px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 40px;
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 0.05);
    background: var(--black);
    transform: translateZ(0); /* Force hardware acceleration */
    transition: border-color 0.6s ease, box-shadow 0.6s ease;
}

.lbc-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 0;
    /* No movement, entirely static and professional */
}

.lbc-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.2) 60%, rgba(0,0,0,0.2) 100%);
    transition: background 0.6s ease;
    z-index: 1;
}

.luxury-bento-card:hover .lbc-overlay {
    /* Deepens bottom shadow for text contrast, clears up top for image reveal */
    background: linear-gradient(to top, rgba(0,0,0,0.95) 0%, rgba(0,0,0,0.3) 60%, rgba(0,0,0,0) 100%);
}

.lbc-content {
    position: relative;
    z-index: 2;
}

.lbc-watermark {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-heading);
    font-size: 8rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.4); /* Much higher opacity */
    text-shadow: 0 10px 30px rgba(0, 0, 0, 0.7); /* Deep shadow for contrast against bright images */
    letter-spacing: 0.05em;
    line-height: 1;
    pointer-events: none;
    z-index: 2; /* Moved above the dark overlay */
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), color 0.8s ease;
}

.luxury-bento-card:hover .lbc-watermark {
    transform: translate(-50%, -50%) scale(1.05);
    color: rgba(184, 150, 90, 0.7); /* Very strong gold tint on hover */
}

.lbc-title {
    font-family: var(--font-heading);
    color: var(--pure-white);
    font-size: 1.6rem;
    line-height: 1.2;
    font-weight: 400;
    text-shadow: 0 4px 15px rgba(0,0,0,0.6);
}

.lbc-desc {
    font-family: var(--font-body);
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 300;
    margin-top: 10px;
    line-height: 1.5;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
    border-left: 2px solid var(--gold);
    padding-left: 14px;
}

@media (max-width: 992px) {
    .luxury-bento-grid {
        grid-template-columns: 1fr;
    }
    .luxury-bento-card {
        min-height: 300px;
        padding: 32px;
    }
    .lbc-watermark {
        font-size: 5rem;
    }
    .lbc-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 768px) {
    .luxury-bento-grid {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        gap: 16px;
        /* Pull grid out of container to allow full-bleed scroll */
        margin: 0 -20px;
        padding: 10px 20px 30px 20px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    .luxury-bento-grid::-webkit-scrollbar {
        display: none;
    }
    .luxury-bento-card {
        flex: 0 0 85vw; /* Show peeking next card */
        scroll-snap-align: center;
        min-height: 400px;
        padding: 32px 24px;
        border-radius: 20px;
        transition: transform 0.3s ease, border-color 0.6s ease, box-shadow 0.6s ease;
    }
    
    .lbc-watermark {
        font-size: 5.5rem;
    }
    
    .lbc-title {
        font-size: 1.6rem;
    }

    /* Interactive tap state for mobile instead of hover */
    .luxury-bento-card:active {
        transform: scale(0.97);
    }
    .luxury-bento-card:active .lbc-watermark {
        color: rgba(184, 150, 90, 0.7);
        transform: translate(-50%, -50%) scale(1.05);
    }
}

/* ============================================
   AESTHETIC SCROLL & LOAD ANIMATIONS
   ============================================ */

/* Initial states for scroll reveals (triggered by JS IntersectionObserver) */
.reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1), filter 1s ease;
    filter: blur(10px);
    will-change: transform, opacity, filter;
}

.reveal-left {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), transform 1.2s cubic-bezier(0.16, 1, 0.3, 1), filter 1.2s ease;
    filter: blur(10px);
    will-change: transform, opacity, filter;
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.92);
    transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), transform 1.2s cubic-bezier(0.16, 1, 0.3, 1), filter 1.2s ease;
    filter: blur(8px);
    will-change: transform, opacity, filter;
}

/* Active states added by JS */
.reveal-up.visible,
.reveal-left.visible,
.reveal-scale.visible {
    opacity: 1;
    transform: translate(0) scale(1);
    filter: blur(0);
}

/* Initial states for page load hero animations (CSS Keyframes) */
.anim-fade-up {
    opacity: 0;
    animation: aestheticFadeUp 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    will-change: transform, opacity, filter;
}

@keyframes aestheticFadeUp {
    0% {
        opacity: 0;
        transform: translateY(30px);
        filter: blur(8px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
}

/* Delays for hero animations */
.anim-d1 { animation-delay: 0.1s; }
.anim-d2 { animation-delay: 0.3s; }
.anim-d2-5 { animation-delay: 0.5s; }
.anim-d3 { animation-delay: 0.7s; }

/* ---------- ARTICLE / GUIDE PAGES (SEO content) ---------- */
.breadcrumbs { font-size: 0.8rem; color: var(--grey-light); margin-bottom: 18px; letter-spacing: 0.02em; }
.breadcrumbs a { color: var(--silver); }
.breadcrumbs a:hover { color: var(--gold-light); }
.art-subtitle { max-width: 680px; }
.article-section { padding: 72px 0 110px; }
.article { max-width: 820px; margin: 0 auto; color: var(--mid); font-size: 1.02rem; }
.article h2 { font-family: var(--font-display); font-weight: 400; font-size: clamp(1.45rem, 3vw, 1.95rem); color: var(--black); letter-spacing: -0.02em; margin: 56px 0 16px; line-height: 1.25; }
.article h3 { font-family: var(--font-display); font-weight: 500; font-size: 1.1rem; color: var(--black); margin: 22px 0 6px; }
.article p, .article ul, .article ol { margin-bottom: 16px; }
.article ul, .article ol { padding-left: 1.3em; }
.article li { margin-bottom: 8px; }
.article a:not(.btn):not(.guide-card) { color: #8a6a34; text-decoration: underline; text-underline-offset: 3px; }
.article a:not(.btn):not(.guide-card):hover { color: var(--gold); }
.article strong { color: var(--black); font-weight: 600; }
.art-meta { font-size: 0.82rem; color: var(--grey); margin-bottom: 28px; }
.lede { font-size: 1.15rem; }
.quick-answer, .key-points { border-left: 3px solid var(--gold); background: var(--cream); padding: 22px 26px; border-radius: var(--radius-md); margin: 0 0 22px; }
.quick-answer p:last-child, .key-points ul { margin-bottom: 0; }
.quick-answer p { font-size: 1.08rem; color: var(--dark); }
.qa-label { font-family: var(--font-display); text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.72rem !important; color: #8a6a34 !important; margin-bottom: 8px !important; font-weight: 600; }
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 8px 0 22px; border: 1px solid #e6e2da; border-radius: var(--radius-lg); }
.art-table { width: 100%; border-collapse: collapse; font-size: 0.93rem; background: var(--pure-white); }
.art-table.wide { min-width: 560px; }
.article h2, .home-guides .section-title { text-wrap: balance; }
.art-table th, .art-table td { padding: 12px 14px; text-align: left; vertical-align: top; border-bottom: 1px solid #eeebe5; }
.art-table thead th { background: var(--charcoal); color: var(--pure-white); font-family: var(--font-display); font-weight: 500; }
.art-table tbody th { font-weight: 600; color: var(--black); background: #faf9f6; }
.art-table tbody tr:last-child th, .art-table tbody tr:last-child td { border-bottom: 0; }
.regions { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 6px 28px; }
.region p { font-size: 0.9rem; color: var(--grey); }
.region { scroll-margin-top: 100px; }
.art-faq { margin-top: 8px; }
.art-cta { background: var(--charcoal); color: var(--silver); padding: 36px 32px; border-radius: var(--radius-lg); margin: 60px 0 40px; }
.art-cta h2 { color: var(--pure-white); margin-top: 0; }
.art-cta .btn { margin: 6px 10px 0 0; }
.btn-outline-dark { border: 1px solid var(--silver); color: var(--pure-white); border-radius: var(--radius); }
.btn-outline-dark:hover { border-color: var(--gold); color: var(--gold-light); }
.art-related ul { list-style: none; padding: 0; }
.art-related li { border-bottom: 1px solid #e6e2da; padding: 10px 0; margin: 0; }
.guide-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 18px; margin-top: 28px; }
.guide-card { display: block; background: var(--pure-white); border: 1px solid #e6e2da; border-radius: var(--radius-lg); padding: 24px; transition: transform .3s var(--ease-out), box-shadow .3s var(--ease-out), border-color .3s; }
.guide-card:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(0,0,0,.07); border-color: var(--gold); }
.guide-card h2 { font-size: 1.15rem !important; margin: 0 0 8px !important; }
.guide-card p { font-size: 0.92rem; color: var(--grey); margin: 0; }
.home-guides .guide-list { margin-top: 0; }
@media (max-width: 600px) {
  .article-section { padding: 48px 0 80px; }
  .quick-answer, .key-points { padding: 18px; }
  .art-cta { padding: 28px 20px; }
}

/* ==========================================================================
   v3: MEGA MENUS, FOOTER, SURFACE / PRODUCT / PROCESS / GUIDE PAGES
   ========================================================================== */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
button.faq-question { width: 100%; background: none; border: 0; font: inherit; font-family: var(--font-display); font-size: 1.15rem; font-weight: 500; text-align: left; color: var(--black); gap: 16px; }
button.faq-question:focus-visible { outline: 2px solid var(--gold); outline-offset: -2px; }
.faq-icon { flex-shrink: 0; }

/* ---------- Nav: dropdown triggers ---------- */
.nav-item { position: relative; display: flex; align-items: center; }
.nav-item--wide { position: static; }
.nav-parent { display: inline-flex; align-items: center; gap: 5px; }
.nav-parent::after { right: 36px; }
.nav-chev { width: 13px; height: 13px; stroke-width: 2; opacity: .55; transition: transform .35s var(--ease-out), opacity .2s; }
.nav-link.is-active::after, .nav-item.is-active > .nav-link::after { transform: scaleX(1); }
.nav-item.open > .nav-parent .nav-chev { transform: rotate(180deg); opacity: 1; }

.nav-menu { position: absolute; top: calc(100% + 12px); left: 50%; z-index: 1002; opacity: 0; visibility: hidden; pointer-events: none; transform: translate(-50%, 10px); transition: opacity .22s ease, transform .35s var(--ease-out), visibility 0s linear .35s; }
.nav-item--wide > .nav-menu { top: 100%; }
.nav-menu::before { content: ''; position: absolute; left: 0; right: 0; top: -22px; height: 22px; }
.nav-menu-inner { background: var(--pure-white); border: 1px solid rgba(10,10,10,.06); border-radius: 14px; box-shadow: 0 32px 80px rgba(10,10,10,.16), 0 2px 10px rgba(10,10,10,.05); padding: 26px; }
.nav-item.open > .nav-menu { opacity: 1; visibility: visible; pointer-events: auto; transform: translate(-50%, 0); transition-delay: 0s; }
@media (hover: hover) and (min-width: 769px) {
    .nav-item:hover > .nav-menu, .nav-item:focus-within > .nav-menu { opacity: 1; visibility: visible; pointer-events: auto; transform: translate(-50%, 0); transition-delay: 0s; }
    .nav-item:hover > .nav-parent .nav-chev { transform: rotate(180deg); opacity: 1; }
}
.nav-item.is-closing > .nav-menu { opacity: 0 !important; visibility: hidden !important; pointer-events: none !important; }
.menu-mobile-all { display: none; }

/* Surfaces mega */
.nav-menu--mega { width: min(1200px, calc(100vw - 48px)); }
.nav-menu--mega .nav-menu-inner { display: grid; grid-template-columns: minmax(0, 1fr) 250px; gap: 28px; padding: 28px 28px 28px 32px; }
.mega-cols { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0 26px; }
.mega-title { font-family: var(--font-display); font-size: .66rem; letter-spacing: .18em; text-transform: uppercase; color: #8a6a34; font-weight: 600; padding-bottom: 12px; margin-bottom: 8px; border-bottom: 1px solid #efebe4; }
.mega-col ul, .guide-menu-col ul { list-style: none; }
.mega-link { display: flex; align-items: center; gap: 12px; padding: 7px 8px; margin: 0 -8px; border-radius: 9px; transition: background .2s ease; }
.mega-link:hover, .mega-link:focus-visible { background: var(--cream); }
.mega-swatch { width: 34px; height: 34px; border-radius: 50%; flex-shrink: 0; background-size: cover; background-position: center; box-shadow: inset 0 0 0 1px rgba(0,0,0,.08), 0 3px 8px rgba(0,0,0,.1); transition: transform .35s var(--ease-out); }
.mega-link:hover .mega-swatch { transform: scale(1.1) rotate(-6deg); }
.mega-text { min-width: 0; }
.mega-name { display: block; font-size: .85rem; font-weight: 500; color: var(--black); line-height: 1.25; }
.mega-note { display: block; font-size: .71rem; color: var(--grey); line-height: 1.35; margin-top: 1px; }
.mega-aside { background: linear-gradient(160deg, #1d1b18, #0e0e0e); border-radius: 12px; padding: 26px 24px; display: flex; flex-direction: column; gap: 10px; position: relative; overflow: hidden; }
.mega-aside::before { content: ''; position: absolute; right: -60px; top: -60px; width: 180px; height: 180px; border-radius: 50%; background: radial-gradient(circle, rgba(184,150,90,.35), transparent 70%); }
.mega-aside-eyebrow { font-size: .66rem; letter-spacing: .18em; text-transform: uppercase; color: var(--gold-light); position: relative; }
.mega-aside-title { font-family: var(--font-display); font-size: 1.08rem; line-height: 1.4; color: var(--pure-white); font-weight: 300; position: relative; margin-bottom: 8px; }
.mega-aside-btn { padding: 12px 18px; font-size: .78rem; position: relative; }
.mega-aside-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 8px; font-size: .8rem; color: var(--silver); padding: 8px 0; border-top: 1px solid rgba(255,255,255,.08); position: relative; transition: color .2s; }
.mega-aside-link:first-of-type { margin-top: 6px; }
.mega-aside-link:hover { color: var(--gold-light); }
.mega-aside-link svg, .menu-foot-link svg, .menu-mobile-all svg { width: 14px; height: 14px; flex-shrink: 0; transition: transform .25s; }
.mega-aside-link:hover svg, .menu-foot-link:hover svg { transform: translateX(3px); }

/* Products dropdown */
.nav-menu--compact { width: 540px; }
.finish-menu { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.finish-card { display: flex; flex-direction: column; border: 1px solid #ece8e0; border-radius: 12px; overflow: hidden; transition: border-color .25s, box-shadow .3s, transform .3s var(--ease-out); }
.finish-card:hover { border-color: var(--gold); box-shadow: 0 12px 30px rgba(0,0,0,.08); transform: translateY(-2px); }
.finish-card-visual { height: 92px; position: relative; overflow: hidden; }
.finish-card--gloss .finish-card-visual { background: radial-gradient(circle at 26% 30%, rgba(255,255,255,.55), transparent 28%), linear-gradient(135deg, #3b3b3b, #0c0c0c 70%); }
.finish-card--gloss .finish-card-visual::after { content: ''; position: absolute; inset: 0; background: linear-gradient(115deg, transparent 40%, rgba(255,255,255,.55) 50%, transparent 60%); background-size: 250% 100%; background-position: 120% 0; transition: background-position .9s var(--ease-out); }
.finish-card--gloss:hover .finish-card-visual::after { background-position: -30% 0; }
.finish-card--matte .finish-card-visual { background: radial-gradient(circle at 70% 30%, #e6ddcd, #c8b99f 80%); }
.finish-card--matte .finish-card-visual::after { content: ''; position: absolute; inset: 0; background-image: radial-gradient(rgba(0,0,0,.06) 1px, transparent 1px); background-size: 4px 4px; opacity: .6; }
.finish-card-body { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 4px; }
.finish-card-name { display: flex; align-items: center; gap: 8px; font-family: var(--font-display); font-weight: 500; font-size: 1rem; color: var(--black); }
.finish-card-name svg { width: 17px; height: 17px; color: var(--gold); }
.finish-card-note { font-size: .76rem; color: var(--grey); line-height: 1.45; }
.menu-foot-link { display: flex; align-items: center; gap: 8px; margin-top: 16px; padding-top: 14px; border-top: 1px solid #efebe4; font-size: .8rem; font-weight: 500; color: #8a6a34; }
.menu-foot-link span { color: var(--grey); font-weight: 400; margin-right: auto; }
.menu-foot-row { display: flex; gap: 28px; margin-top: 18px; padding-top: 14px; border-top: 1px solid #efebe4; }
.menu-foot-row .menu-foot-link { margin: 0; padding: 0; border: 0; }

/* Guides dropdown */
.nav-menu--guides { width: min(780px, calc(100vw - 48px)); }
.guide-menu-cols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 28px; }
.guide-menu-link { display: block; font-size: .85rem; color: var(--dark); padding: 7px 0; line-height: 1.35; transition: color .2s, transform .25s var(--ease-out); }
.guide-menu-link:hover { color: #8a6a34; transform: translateX(3px); }

@media (max-width: 1180px) and (min-width: 769px) {
    .nav-link { padding: 8px 11px; }
    .nav-link::after { left: 11px; right: 11px; }
    .nav-parent::after { right: 29px; }
    .nav-cta { margin-left: 8px; padding: 9px 16px; }
    .nav-brand { font-size: 1.15rem; }
    .nav-menu--mega .nav-menu-inner { grid-template-columns: 1fr; }
    .mega-aside { display: none; }
}
@media (max-width: 900px) and (min-width: 769px) {
    .nav-brand > span { display: none; }
    .mega-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 26px; }
}

/* ---------- Nav: mobile accordion ---------- */
@media (max-width: 768px) {
    .nav-links { justify-content: flex-start; align-items: stretch; overflow-y: auto; overscroll-behavior: contain; padding: 96px 28px 48px; gap: 0; background: var(--white); }
    .nav-links > .nav-link, .nav-item > .nav-link { font-size: 1.9rem; padding: 10px 0; }
    .nav-item { flex-direction: column; align-items: stretch; width: 100%; }
    .nav-links .nav-item > .nav-parent { display: flex; justify-content: space-between; width: 100%; }
    .nav-chev { width: 22px; height: 22px; opacity: .6; }
    .nav-menu, .nav-item--wide > .nav-menu { position: static; width: auto; transform: none; opacity: 1; visibility: visible; pointer-events: auto; display: none; transition: none; }
    .nav-item.open > .nav-menu { display: block; transform: none; }
    .nav-menu::before { display: none; }
    .nav-menu-inner, .nav-menu--mega .nav-menu-inner { display: block; background: transparent; border: 0; box-shadow: none; border-radius: 0; padding: 4px 0 18px; }
    .menu-mobile-all { display: inline-flex; align-items: center; gap: 8px; font-size: .9rem; font-weight: 500; color: #8a6a34; padding: 4px 0 14px; }
    .mega-cols { grid-template-columns: 1fr 1fr; gap: 14px; }
    .mega-title { margin-top: 6px; }
    .mega-note { display: none; }
    .mega-swatch { width: 26px; height: 26px; }
    .mega-link { padding: 6px 8px; gap: 10px; }
    .mega-aside { display: none; }
    .nav-menu--compact { width: auto; }
    .finish-card-visual { height: 56px; }
    .finish-card-note { display: none; }
    .menu-foot-link span { display: none; }
    .guide-menu-cols { grid-template-columns: 1fr; }
    .guide-menu-col + .guide-menu-col { margin-top: 12px; }
    .menu-foot-row { gap: 20px; }
    .nav-links .nav-cta { margin-top: 28px; }
}

/* ---------- Footer v2 ---------- */
.footer-v2 { padding: 80px 0 0; }
.footer-top { display: grid; grid-template-columns: minmax(240px, 300px) minmax(0, 1fr); gap: 64px; padding-bottom: 56px; border-bottom: 1px solid rgba(255,255,255,.06); text-align: left; }
.footer-v2 .footer-logo { justify-content: flex-start; margin-bottom: 18px; color: var(--pure-white); }
.footer-v2 .footer-desc { margin: 0 0 22px; max-width: 300px; }
.footer-cta { padding: 12px 22px; font-size: .8rem; }
.footer-contact { margin-top: 22px; display: flex; flex-direction: column; gap: 4px; }
.footer-contact a, .footer-contact span { font-size: .8rem; color: var(--grey-light); font-weight: 300; }
.footer-contact a:hover { color: var(--gold-light); }
.footer-links { display: grid; grid-template-columns: minmax(0, 2.2fr) repeat(3, minmax(0, 1fr)); gap: 36px; }
.footer-v2 .footer-col { display: block; text-align: left; }
.footer-col-head { all: unset; display: block; font-family: var(--font-display); font-size: .68rem; font-weight: 500; text-transform: uppercase; letter-spacing: .16em; color: var(--pearl); margin-bottom: 18px; }
.footer-surfaces { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 28px; }
.footer-sub-title { font-size: .64rem; letter-spacing: .14em; text-transform: uppercase; color: var(--gold); margin: 16px 0 6px; font-weight: 500; }
.footer-col-body > .footer-sub-title:first-child, .footer-sub .footer-sub-title { margin-top: 0; }
.footer-sub { margin-bottom: 14px; }
.footer-v2 .footer-col a { display: block; font-size: .8rem; color: var(--grey-light); font-weight: 300; padding: 3px 0; transition: color .2s, transform .25s var(--ease-out); }
.footer-v2 .footer-col a:hover { color: var(--pure-white); transform: translateX(2px); }
.footer-bottom-links { display: flex; gap: 16px; justify-content: center; align-items: center; margin-bottom: 10px; font-size: .78rem; color: #444; }
.footer-bottom-links a { color: var(--grey-light); font-weight: 300; }
.footer-bottom-links a:hover { color: var(--pearl); }
@media (max-width: 1100px) {
    .footer-top { grid-template-columns: 1fr; gap: 44px; }
    .footer-links { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .footer-col--surfaces { grid-column: 1 / -1; }
    .footer-surfaces { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 768px) {
    .footer-v2 { padding-top: 56px; }
    .footer-top { gap: 32px; padding-bottom: 24px; }
    .footer-v2 .footer-logo { justify-content: flex-start; }
    .footer-v2 .footer-desc { margin: 0 0 20px; }
    .footer-links { grid-template-columns: 1fr; gap: 0; }
    .footer-v2 .footer-col { border-top: 1px solid rgba(255,255,255,.08); }
    .footer-col-head { display: flex; justify-content: space-between; align-items: center; width: 100%; box-sizing: border-box; margin: 0; padding: 18px 0; cursor: pointer; font-size: .74rem; }
    .footer-col-head::after { content: '+'; font-size: 1.1rem; color: var(--gold); transition: transform .3s; line-height: 1; }
    .footer-col.open .footer-col-head::after { transform: rotate(45deg); }
    .footer-col-body { display: none; padding-bottom: 18px; }
    .footer-col.open .footer-col-body { display: block; }
    .footer-col.open .footer-surfaces { display: grid; grid-template-columns: 1fr 1fr; }
    .footer-v2 .footer-col a { padding: 5px 0; font-size: .86rem; }
}

/* ---------- Shared pieces ---------- */
.sp-narrow { max-width: 860px; }
.sp-narrow-wide { max-width: 1040px; }
.sp-narrow .section-header, .sp-narrow-wide .section-header { margin-bottom: 40px; }
.sp-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 32px 0 28px; }
.btn-outline-dark-ink { background: transparent; color: var(--black); border: 1px solid rgba(10,10,10,.3); border-radius: var(--radius); }
.btn-outline-dark-ink:hover { background: var(--black); color: var(--pure-white); }
.risk-meter { display: inline-flex; gap: 3px; vertical-align: middle; }
.risk-meter i { width: 14px; height: 6px; border-radius: 3px; background: rgba(128,128,128,.22); }
.risk-meter i.on { background: var(--accent, var(--gold)); }
.sp-figure { margin: 26px 0 30px; }
.sp-figure img { width: 100%; height: auto; border-radius: 12px; display: block; }
.sp-figure figcaption { font-size: .8rem; color: var(--grey); margin-top: 10px; }
@keyframes spSheen { 0%, 100% { background-position: 130% 0; } 50% { background-position: -30% 0; } }

/* ---------- Stone cards ---------- */
.stone-card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 20px; }
.stone-card { display: flex; flex-direction: column; background: var(--pure-white); border: 1px solid #e8e3da; border-radius: 14px; overflow: hidden; transition: transform .45s var(--ease-out), box-shadow .45s var(--ease-out), border-color .3s; }
.stone-card:hover { transform: translateY(-5px); box-shadow: 0 24px 50px rgba(0,0,0,.1); border-color: rgba(184,150,90,.5); }
.stone-card-img { display: block; aspect-ratio: 4 / 3; background-size: cover; background-position: center; transition: transform 1s var(--ease-out); }
.stone-card:hover .stone-card-img { transform: scale(1.06); }
.stone-card-body { position: relative; z-index: 1; background: var(--pure-white); padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 3px; flex: 1; }
.stone-card-cat { font-size: .62rem; letter-spacing: .16em; text-transform: uppercase; color: #8a6a34; font-weight: 600; }
.stone-card-name { font-family: var(--font-display); font-size: 1.22rem; font-weight: 500; color: var(--black); letter-spacing: -.01em; }
.stone-card-note { font-size: .83rem; color: var(--grey); }
.stone-card-meters { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-top: auto; padding-top: 12px; font-size: .68rem; letter-spacing: .06em; text-transform: uppercase; color: var(--grey); }
.stone-card-meters > span { display: inline-flex; align-items: center; gap: 7px; }
.stone-card-meters .risk-meter i { width: 10px; height: 5px; }

/* ---------- Surface page ---------- */
.sp-hero { position: relative; overflow: hidden; background: var(--charcoal); padding: 136px 0 76px; }
.sp-hero::before { content: ''; position: absolute; width: 900px; height: 900px; right: -300px; top: -380px; border-radius: 50%; background: radial-gradient(circle, var(--accent), transparent 65%); opacity: .22; pointer-events: none; }
.sp-hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 72px; align-items: center; }
.sp-hero-grid.is-flipped .sp-visual { order: -1; }
.sp-eyebrow { font-size: .72rem; font-weight: 500; text-transform: uppercase; letter-spacing: .2em; color: var(--gold-light); }
.sp-title { font-family: var(--font-display); font-weight: 300; font-size: clamp(2.3rem, 4.6vw, 3.9rem); line-height: 1.07; letter-spacing: -.035em; color: var(--pure-white); margin: 12px 0 22px; text-wrap: balance; }
.sp-lead { color: var(--silver); font-size: 1.07rem; font-weight: 300; line-height: 1.8; max-width: 580px; }
.sp-trust { list-style: none; display: flex; flex-wrap: wrap; gap: 10px 24px; }
.sp-trust li { display: flex; align-items: center; gap: 8px; font-size: .8rem; color: var(--grey-light); }
.sp-trust svg { width: 16px; height: 16px; color: var(--gold); }
.sp-visual { position: relative; margin: 0; padding: 0 0 26px; }
.sp-slab { position: relative; aspect-ratio: 1 / 1; border-radius: 22px; overflow: hidden; box-shadow: 0 50px 110px rgba(0,0,0,.55), 0 0 0 1px rgba(255,255,255,.06); transform: perspective(1400px) rotateY(-7deg) rotateX(2deg); transition: transform 1.2s var(--ease-out); }
.sp-hero-grid.is-flipped .sp-slab { transform: perspective(1400px) rotateY(7deg) rotateX(2deg); }
.sp-visual:hover .sp-slab { transform: perspective(1400px) rotateY(0) rotateX(0); }
.sp-slab img { width: 100%; height: 100%; object-fit: cover; display: block; }
.sp-slab-sheen { position: absolute; inset: 0; background: linear-gradient(115deg, transparent 38%, rgba(255,255,255,.28) 48%, transparent 58%); background-size: 260% 100%; animation: spSheen 9s ease-in-out infinite; pointer-events: none; }
.sp-film-card { position: absolute; left: -32px; bottom: 0; min-width: 250px; padding: 18px 22px; border-radius: 14px; background: rgba(18,18,18,.74); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); border: 1px solid rgba(255,255,255,.12); box-shadow: 0 24px 60px rgba(0,0,0,.45); }
.sp-hero-grid.is-flipped .sp-film-card { left: auto; right: -32px; }
.sp-film-card-title { font-size: .66rem; letter-spacing: .16em; text-transform: uppercase; color: var(--gold-light); margin-bottom: 10px; }
.sp-film-card ul { list-style: none; display: grid; gap: 6px; }
.sp-film-card li { display: flex; align-items: center; gap: 9px; color: var(--pure-white); font-size: .88rem; font-weight: 300; }
.sp-film-card li svg { width: 16px; height: 16px; color: var(--gold-light); stroke-width: 2.2; }

.sp-profile { background: #101010; padding: 30px 0 24px; border-top: 1px solid rgba(255,255,255,.05); }
.sp-profile-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); margin: 0; }
.sp-stat { padding: 4px 22px; border-left: 1px solid rgba(255,255,255,.08); }
.sp-stat:first-child { border-left: 0; padding-left: 0; }
.sp-stat dt { font-size: .62rem; letter-spacing: .16em; text-transform: uppercase; color: var(--grey-light); margin-bottom: 8px; }
.sp-stat dd { margin: 0; color: var(--pure-white); font-size: .88rem; font-weight: 300; line-height: 1.45; }
.sp-stat--risk dd { display: flex; flex-direction: column; gap: 7px; }
.sp-stat--risk dd span { font-size: .76rem; color: var(--silver); }
.sp-profile .risk-meter i { background: rgba(255,255,255,.14); }
.sp-profile .risk-meter i.on { background: var(--gold-light); }
.sp-profile-note { font-size: .74rem; color: var(--grey); margin-top: 16px; }

.sp-main { padding-top: 96px; padding-bottom: 96px; }
.sp-main-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 72px; align-items: start; }
.sp-article.article { max-width: none; margin: 0; }
.sp-article.article h2:first-of-type { margin-top: 48px; }
.sp-aside { position: sticky; top: 100px; display: flex; flex-direction: column; gap: 18px; }
.sp-aside-card { background: var(--pure-white); border: 1px solid #e8e3da; border-radius: 14px; padding: 24px; }
.sp-aside-card--dark { background: var(--charcoal); border-color: transparent; }
.sp-aside-title { font-family: var(--font-display); font-weight: 500; font-size: 1.02rem; color: var(--black); margin-bottom: 14px; }
.sp-aside-card--dark .sp-aside-title { color: var(--pure-white); }
.sp-chips { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.sp-chips li { font-size: .77rem; padding: 6px 12px; border-radius: 999px; background: var(--cream); border: 1px solid #ebe5da; color: var(--dark); }
.sp-steps { list-style: none; display: grid; gap: 14px; margin-bottom: 22px; }
.sp-steps li { display: flex; gap: 12px; align-items: flex-start; font-size: .84rem; color: var(--silver); line-height: 1.5; }
.sp-steps svg { width: 20px; height: 20px; color: var(--gold); flex-shrink: 0; }

.sp-damage .section-header, .sp-finish .section-header { max-width: 760px; margin-bottom: 44px; }
.sp-damage-intro { color: var(--silver); font-weight: 300; line-height: 1.8; margin-top: 16px; }
.sp-damage-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.sp-damage-card { position: relative; padding: 28px 24px; border-radius: 14px; background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.08); transition: border-color .3s, background .3s; }
.sp-damage-card:hover { border-color: rgba(255,255,255,.18); background: rgba(255,255,255,.05); }
.sp-damage-card:last-child { background: linear-gradient(160deg, rgba(184,150,90,.2), rgba(184,150,90,.04)); border-color: rgba(184,150,90,.4); }
.sp-damage-num { font-family: var(--font-display); font-size: .78rem; letter-spacing: .12em; color: var(--gold); }
.sp-damage-card h3 { font-family: var(--font-display); font-weight: 500; font-size: 1.06rem; color: var(--pure-white); margin: 12px 0 10px; line-height: 1.35; }
.sp-damage-card p { font-size: .87rem; color: var(--silver); line-height: 1.7; font-weight: 300; }
.sp-damage-card a { color: var(--gold-light); text-decoration: underline; text-underline-offset: 3px; }

.sp-finish-intro { color: var(--grey); line-height: 1.8; margin-top: 16px; }
.sp-finish-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.sp-finish-card { display: grid; grid-template-columns: 150px minmax(0, 1fr); border: 1px solid #e8e3da; border-radius: 16px; overflow: hidden; background: var(--pure-white); transition: transform .4s var(--ease-out), box-shadow .4s, border-color .3s; }
.sp-finish-card:hover { transform: translateY(-3px); box-shadow: 0 20px 46px rgba(0,0,0,.08); border-color: rgba(184,150,90,.5); }
.sp-finish-swatch { position: relative; min-height: 160px; background-size: cover; background-position: center; }
.sp-finish-gloss { position: absolute; inset: 0; background: linear-gradient(120deg, transparent 32%, rgba(255,255,255,.75) 47%, transparent 58%), linear-gradient(180deg, rgba(255,255,255,.2), rgba(0,0,0,.08)); }
.sp-finish-matte { position: absolute; inset: 0; background: rgba(245,240,230,.22); backdrop-filter: blur(1.2px) saturate(.8); -webkit-backdrop-filter: blur(1.2px) saturate(.8); }
.sp-finish-body { padding: 24px; display: flex; flex-direction: column; gap: 6px; font-size: .9rem; color: var(--grey); line-height: 1.6; }
.sp-finish-name { display: flex; align-items: center; gap: 9px; font-family: var(--font-display); font-size: 1.2rem; font-weight: 500; color: var(--black); }
.sp-finish-name svg { width: 20px; height: 20px; color: var(--gold); }
.sp-finish-more { margin-top: auto; padding-top: 8px; display: inline-flex; align-items: center; gap: 6px; font-size: .8rem; font-weight: 500; color: #8a6a34; }
.sp-finish-more svg { width: 14px; height: 14px; transition: transform .25s; }
.sp-finish-card:hover .sp-finish-more svg { transform: translateX(3px); }

.sp-related-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; flex-wrap: wrap; max-width: none; margin-bottom: 40px; }
.sp-related-all, .guide-card-more { display: inline-flex; align-items: center; gap: 6px; font-size: .86rem; font-weight: 500; color: #8a6a34; }
.sp-related-all svg, .guide-card-more svg, .pp-split-more svg, .fc-foot a svg { width: 15px; height: 15px; transition: transform .25s; }
.sp-related-all:hover svg, .guide-card:hover .guide-card-more svg, .pp-split-card:hover .pp-split-more svg { transform: translateX(3px); }

@media (max-width: 1100px) {
    .sp-profile-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 20px; }
    .sp-stat:nth-child(4) { border-left: 0; padding-left: 0; }
    .sp-main-grid { grid-template-columns: 1fr; gap: 48px; }
    .sp-aside { position: static; display: grid; grid-template-columns: 1fr 1fr; }
    .sp-damage-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
    .sp-hero { padding: 112px 0 56px; }
    .sp-hero-grid { grid-template-columns: 1fr; gap: 44px; }
    .sp-hero-grid.is-flipped .sp-visual { order: 0; }
    .sp-visual { max-width: 520px; width: 100%; margin: 0 auto; }
    .sp-slab, .sp-hero-grid.is-flipped .sp-slab { transform: none; aspect-ratio: 4 / 3; }
    .sp-film-card, .sp-hero-grid.is-flipped .sp-film-card { left: 16px; right: auto; bottom: 0; }
    .sp-finish-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
    .sp-profile-grid { grid-template-columns: 1fr 1fr; }
    .sp-stat, .sp-stat:nth-child(4) { border-left: 0; padding: 0 12px 0 0; }
    .sp-aside { grid-template-columns: 1fr; }
    .sp-damage-grid { grid-template-columns: 1fr; }
    .sp-finish-card { grid-template-columns: 110px minmax(0, 1fr); }
    .sp-film-card { min-width: 0; padding: 14px 16px; }
    .sp-main { padding-top: 64px; padding-bottom: 64px; }
}

/* ---------- Surfaces hub ---------- */
.surfaces-hero { position: relative; overflow: hidden; background: var(--charcoal); padding: 156px 0 80px; text-align: center; }
.surfaces-hero-mosaic { position: absolute; inset: -20px; display: grid; grid-template-columns: repeat(4, 1fr); grid-template-rows: repeat(2, 1fr); opacity: .3; animation: mosaicDrift 40s ease-in-out infinite alternate; }
.surfaces-hero-mosaic span { background-size: cover; background-position: center; }
.surfaces-hero::after { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at center, rgba(20,20,20,.62), rgba(20,20,20,.94) 72%); }
.surfaces-hero-inner { position: relative; z-index: 1; }
.surfaces-hero .page-subtitle { max-width: 680px; }
.surfaces-jump { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 34px; }
.surfaces-jump a { padding: 9px 18px; border: 1px solid rgba(255,255,255,.2); border-radius: 999px; font-size: .8rem; color: var(--pearl); background: rgba(255,255,255,.03); backdrop-filter: blur(6px); transition: border-color .25s, color .25s; }
.surfaces-jump a:hover { border-color: var(--gold); color: var(--gold-light); }
@keyframes mosaicDrift { from { transform: scale(1.02) translateX(-10px); } to { transform: scale(1.08) translateX(10px); } }
.surfaces-cat { scroll-margin-top: 72px; padding: 96px 0; }
.surfaces-cat-head { max-width: 640px; margin-bottom: 40px; }
.surfaces-cat-head p:last-child { color: var(--grey); margin-top: 10px; }
.surfaces-compare { scroll-margin-top: 72px; }
.risk-table td { white-space: nowrap; }
.risk-table .sr-word { font-size: .76rem; color: var(--grey); margin-left: 10px; }
.risk-table th a { color: var(--black); text-decoration: none; }
.risk-table th a:hover { color: #8a6a34; }
.surfaces-note-p { color: var(--grey); line-height: 1.8; margin-top: 14px; }
@media (max-width: 600px) { .risk-table .sr-word { display: none; } .surfaces-cat { padding: 64px 0; } }

/* ---------- Product pages ---------- */
.pp-hero { position: relative; overflow: hidden; padding: 140px 0 88px; }
.pp-hero--gloss { background: radial-gradient(ellipse at 78% 45%, #2b2925 0%, #0a0a0a 62%); }
.pp-hero--matte { background: linear-gradient(160deg, #f5f0e7, #e8dfcf); }
.pp-hero-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 56px; align-items: center; }
.pp-title { font-family: var(--font-display); font-weight: 200; font-size: clamp(2.6rem, 5.4vw, 4.6rem); line-height: 1.02; letter-spacing: -.04em; margin: 14px 0 24px; color: var(--pure-white); }
.pp-title-word { display: block; font-weight: 500; }
.pp-hero--gloss .pp-title-word { background: linear-gradient(100deg, #ffffff 30%, #e6c894 45%, #ffffff 60%); background-size: 260% 100%; -webkit-background-clip: text; background-clip: text; color: transparent; animation: spSheen 7s ease-in-out infinite; }
.pp-hero--matte .pp-title { color: var(--black); }
.pp-hero--matte .pp-title-word { color: #6d5b40; }
.pp-lead { font-size: 1.1rem; font-weight: 300; line-height: 1.8; max-width: 540px; color: var(--silver); }
.pp-hero--matte .pp-lead { color: #5b544a; }
.pp-hero--matte .breadcrumbs, .pp-hero--matte .breadcrumbs a { color: #7d7264; }
.pp-hero--matte .section-eyebrow { color: #8a6a34; }
.pp-hero-visual { display: flex; flex-direction: column; align-items: center; gap: 20px; }
.pp-orb { position: relative; width: min(440px, 78vw); aspect-ratio: 1; border-radius: 50%; overflow: hidden; background-size: cover; background-position: center; }
.pp-orb--gloss { box-shadow: 0 60px 130px rgba(0,0,0,.75), 0 0 0 1px rgba(255,255,255,.08); }
.pp-orb--gloss::after { content: ''; position: absolute; inset: 0; border-radius: 50%; background: radial-gradient(circle at 30% 24%, rgba(255,255,255,.5), transparent 32%), radial-gradient(circle at 70% 85%, rgba(255,255,255,.08), transparent 40%); }
.pp-orb-sheen { position: absolute; inset: 0; z-index: 1; background: linear-gradient(115deg, transparent 36%, rgba(255,255,255,.45) 48%, transparent 60%); background-size: 260% 100%; animation: spSheen 6s ease-in-out infinite; }
.pp-orb--matte { box-shadow: 0 44px 100px rgba(95,75,45,.28); }
.pp-orb--matte::after { content: ''; position: absolute; inset: 0; border-radius: 50%; background: rgba(250,246,238,.16); box-shadow: inset 0 0 60px rgba(255,255,255,.25); }
.pp-orb-label { font-size: .68rem; letter-spacing: .18em; text-transform: uppercase; color: var(--grey-light); }
.pp-hero--matte .pp-orb-label { color: #8a7e6d; }

.pp-look-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 80px; align-items: center; }
.pp-look-grid.is-flipped .pp-look-img { order: 2; }
.pp-look-img { margin: 0; border-radius: 20px; overflow: hidden; aspect-ratio: 4 / 5; box-shadow: 0 30px 70px rgba(0,0,0,.12); }
.pp-look-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.pp-points { display: grid; gap: 28px; margin-top: 32px; }
.pp-points h3, .pp-feature h3, .pp-living h3, .pp-choose-card h3 { font-family: var(--font-display); font-weight: 500; color: var(--black); font-size: 1.14rem; margin-bottom: 6px; }
.pp-points p, .pp-feature p, .pp-living p, .pp-choose-card p { color: var(--grey); line-height: 1.75; font-size: .95rem; }
.pp-best .section-header, .pp-protect .section-header, .pp-choose .section-header { margin-bottom: 40px; }
.pp-best .section-header p:last-child { color: var(--grey); margin-top: 14px; line-height: 1.8; }
.pp-stone-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.pp-stone { display: flex; align-items: center; gap: 14px; padding: 12px 16px 12px 12px; background: var(--pure-white); border: 1px solid #e8e3da; border-radius: 14px; transition: transform .35s var(--ease-out), border-color .25s, box-shadow .35s; }
.pp-stone:hover { transform: translateY(-2px); border-color: rgba(184,150,90,.55); box-shadow: 0 14px 30px rgba(0,0,0,.07); }
.pp-stone-img { width: 64px; height: 64px; border-radius: 10px; background-size: cover; background-position: center; flex-shrink: 0; }
.pp-stone-body { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.pp-stone-body strong { color: var(--black); font-weight: 500; font-size: .96rem; }
.pp-stone-body small { color: var(--grey); font-size: .8rem; }
.pp-stone > svg { width: 16px; height: 16px; color: #8a6a34; flex-shrink: 0; }
.pp-feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.pp-feature { padding: 30px 28px; background: var(--pure-white); border: 1px solid #e8e3da; border-radius: 16px; }
.pp-feature > svg { width: 30px; height: 30px; color: var(--gold); margin-bottom: 16px; }
.pp-living { margin-top: 24px; padding: 26px 30px; background: var(--cream); border-left: 3px solid var(--gold); border-radius: 12px; }

.finish-compare { background: var(--black); }
.fc-head { text-align: center; max-width: 720px; margin: 0 auto 52px; }
.finish-compare .section-title { color: var(--pure-white); }
.fc-head p:last-child { color: var(--grey-light); margin-top: 16px; line-height: 1.8; font-weight: 300; }
.fc-board { max-width: 900px; margin: 0 auto; border: 1px solid rgba(255,255,255,.1); border-radius: 18px; overflow: hidden; background: rgba(255,255,255,.02); }
.fc-row { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, 1fr); align-items: center; gap: 12px; padding: 16px 28px; border-top: 1px solid rgba(255,255,255,.06); }
.fc-row--head { border-top: 0; padding: 24px 28px; background: rgba(255,255,255,.03); }
.fc-col-head { display: flex; flex-direction: column; align-items: center; gap: 12px; font-family: var(--font-display); font-weight: 500; font-size: 1rem; color: var(--pure-white); transition: color .2s; }
.fc-col-head:hover, .fc-col-head.is-current { color: var(--gold-light); }
.fc-swatch { width: 66px; height: 66px; border-radius: 50%; transition: transform .4s var(--ease-out); }
.fc-col-head:hover .fc-swatch { transform: scale(1.06); }
.fc-col-head.is-current .fc-swatch { box-shadow: 0 0 0 2px var(--black), 0 0 0 3px var(--gold); }
.fc-swatch--gloss { background: radial-gradient(circle at 32% 28%, rgba(255,255,255,.9), rgba(255,255,255,0) 30%), linear-gradient(135deg, #3d3d3d, #090909); }
.fc-swatch--matte { background: radial-gradient(circle at 45% 40%, #ddd3c2, #b3a58d); }
.fc-feature { display: flex; align-items: center; gap: 14px; }
.fc-feature > svg { width: 22px; height: 22px; color: var(--gold); flex-shrink: 0; }
.fc-feature strong, .fc-look strong { display: block; color: var(--pure-white); font-weight: 500; font-size: .94rem; }
.fc-feature small, .fc-look small { display: block; color: var(--grey-light); font-size: .77rem; font-weight: 300; }
.fc-tick { justify-self: center; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: rgba(184,150,90,.16); color: var(--gold-light); }
.fc-tick svg { width: 16px; height: 16px; stroke-width: 2.4; }
.fc-row--diff { background: linear-gradient(90deg, rgba(184,150,90,.18), rgba(184,150,90,.05)); border-top: 1px solid rgba(184,150,90,.45); padding-top: 22px; padding-bottom: 22px; }
.fc-look { text-align: center; }
.fc-foot { text-align: center; margin-top: 30px; color: var(--grey-light); font-size: .95rem; }
.fc-foot a { display: inline-flex; align-items: center; gap: 6px; color: var(--gold-light); }

.pp-split { display: grid; grid-template-columns: 1fr 1fr; }
.pp-split-card { position: relative; overflow: hidden; display: flex; align-items: flex-end; min-height: 560px; padding: 56px; }
.pp-split-bg { position: absolute; inset: 0; background-size: cover; background-position: center; transition: transform 1.4s var(--ease-out); }
.pp-split-card:hover .pp-split-bg { transform: scale(1.05); }
.pp-split-bg::after { content: ''; position: absolute; inset: 0; }
.pp-split-card--gloss .pp-split-bg::after { background: linear-gradient(0deg, rgba(0,0,0,.88), rgba(0,0,0,.15) 70%); }
.pp-split-card--matte .pp-split-bg::after { background: linear-gradient(0deg, rgba(246,241,232,.95), rgba(246,241,232,.3) 70%); }
.pp-split-body { position: relative; z-index: 2; display: flex; flex-direction: column; gap: 10px; max-width: 440px; }
.pp-split-card--gloss .pp-split-body { color: var(--pure-white); }
.pp-split-card--matte .pp-split-body { color: var(--black); }
.pp-split-icon svg { width: 32px; height: 32px; color: var(--gold); }
.pp-split-name { font-family: var(--font-display); font-size: clamp(2.4rem, 4vw, 3.4rem); font-weight: 300; letter-spacing: -.035em; line-height: 1; }
.pp-split-note { font-size: 1rem; opacity: .85; line-height: 1.6; }
.pp-split-more { display: inline-flex; align-items: center; gap: 8px; margin-top: 10px; font-size: .86rem; font-weight: 500; }
.pp-split-card--gloss .pp-split-more { color: var(--gold-light); }
.pp-split-card--matte .pp-split-more { color: #8a6a34; }
.pp-hub-hero .page-subtitle { max-width: 680px; }
.pp-choose-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.pp-choose-card { background: var(--pure-white); border: 1px solid #e8e3da; border-radius: 16px; padding: 32px 30px; }
.pp-choose-num { font-family: var(--font-display); color: var(--gold); letter-spacing: .12em; font-size: .85rem; display: block; margin-bottom: 12px; }

@media (max-width: 1000px) {
    .pp-hero-grid, .pp-look-grid { grid-template-columns: 1fr; gap: 44px; }
    .pp-look-grid.is-flipped .pp-look-img { order: 0; }
    .pp-look-img { aspect-ratio: 16 / 10; }
    .pp-stone-grid, .pp-feature-grid, .pp-choose-grid { grid-template-columns: 1fr 1fr; }
    .pp-hero { padding: 116px 0 64px; }
}
@media (max-width: 700px) {
    .pp-stone-grid, .pp-feature-grid, .pp-choose-grid { grid-template-columns: 1fr; }
    .pp-split { grid-template-columns: 1fr; }
    .pp-split-card { min-height: 400px; padding: 36px 24px; }
    .fc-row, .fc-row--head { grid-template-columns: minmax(0, 1.3fr) minmax(0, .85fr) minmax(0, .85fr); padding: 14px; gap: 8px; }
    .fc-feature { gap: 10px; }
    .fc-feature > svg { width: 18px; height: 18px; }
    .fc-feature small, .fc-look small { display: none; }
    .fc-feature strong, .fc-look strong { font-size: .84rem; }
    .fc-swatch { width: 46px; height: 46px; }
    .fc-col-head { font-size: .84rem; text-align: center; }
    .pp-living { padding: 22px; }
}

/* ---------- Process page ---------- */
.proc-hero { background: var(--charcoal); padding: 156px 0 72px; text-align: center; }
.proc-hero .page-subtitle { max-width: 620px; }
.proc-facts { list-style: none; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; max-width: 920px; margin: 52px auto 0; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.08); border-radius: 16px; overflow: hidden; }
.proc-facts li { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 24px 14px; background: var(--charcoal); }
.proc-facts svg { width: 22px; height: 22px; color: var(--gold); margin-bottom: 4px; }
.proc-facts strong { font-family: var(--font-display); font-weight: 500; color: var(--pure-white); font-size: 1.15rem; }
.proc-facts span { font-size: .77rem; color: var(--grey-light); }
.proc-steps-section .section-header { margin-bottom: 20px; }
.proc-steps { list-style: none; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 24px; position: relative; margin-top: 28px; }
.proc-steps::before { content: ''; position: absolute; top: 34px; left: 10%; right: 10%; height: 1px; background: linear-gradient(90deg, transparent, var(--gold) 15%, var(--gold) 85%, transparent); opacity: .5; }
.proc-step { position: relative; text-align: center; scroll-margin-top: 100px; }
.proc-step-icon { position: relative; width: 68px; height: 68px; margin: 0 auto 20px; border-radius: 50%; display: grid; place-items: center; background: var(--pure-white); border: 1px solid #e8e3da; box-shadow: 0 12px 30px rgba(0,0,0,.06); }
.proc-step-icon > svg { width: 26px; height: 26px; color: var(--black); }
.proc-step-num { position: absolute; top: -4px; right: -4px; width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; background: var(--gold); color: var(--black); font-size: .72rem; font-weight: 600; }
.proc-step h3 { font-family: var(--font-display); font-weight: 500; font-size: 1.06rem; color: var(--black); margin-bottom: 6px; }
.proc-step p { font-size: .87rem; color: var(--grey); line-height: 1.6; }
.proc-detail { padding-top: 88px; padding-bottom: 88px; }
.proc-row { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; padding: 36px 0; }
.proc-row.is-flipped .proc-row-img { order: 2; }
.proc-row-img { position: relative; margin: 0; border-radius: 20px; overflow: hidden; aspect-ratio: 5 / 4; box-shadow: 0 30px 70px rgba(0,0,0,.1); }
.proc-row-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.proc-row-badge { position: absolute; top: 18px; left: 18px; padding: 6px 14px; border-radius: 999px; background: rgba(10,10,10,.72); backdrop-filter: blur(8px); color: var(--pure-white); font-family: var(--font-display); font-size: .78rem; letter-spacing: .1em; }
.proc-row-text h2 { font-family: var(--font-display); font-weight: 300; font-size: clamp(1.8rem, 3vw, 2.6rem); letter-spacing: -.025em; color: var(--black); margin-bottom: 16px; }
.proc-row-text > p { color: var(--grey); line-height: 1.85; }
.proc-who { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 26px; }
.proc-who > div { background: var(--pure-white); border: 1px solid #e8e3da; border-radius: 12px; padding: 18px 20px; }
.proc-who-title { font-size: .66rem; letter-spacing: .18em; text-transform: uppercase; font-weight: 600; color: #8a6a34; margin-bottom: 8px; }
.proc-who ul { list-style: none; }
.proc-who li { position: relative; padding-left: 18px; margin-bottom: 5px; font-size: .86rem; color: var(--dark); line-height: 1.5; }
.proc-who li::before { content: ''; position: absolute; left: 0; top: .72em; width: 9px; height: 1px; background: var(--gold); }
.proc-care-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.proc-care-card { padding: 32px 30px; background: var(--pure-white); border: 1px solid #e8e3da; border-radius: 16px; }
.proc-care-card > svg { width: 28px; height: 28px; color: var(--gold); margin-bottom: 16px; }
.proc-care-card h2 { font-family: var(--font-display); font-weight: 500; font-size: 1.25rem; color: var(--black); margin-bottom: 12px; }
.proc-care-card ul { padding-left: 1.1em; color: var(--grey); font-size: .92rem; }
.proc-care-card li { margin-bottom: 7px; }
.proc-care-card p { color: var(--grey); font-size: .92rem; line-height: 1.75; }
.proc-care-card--dark { background: var(--charcoal); border-color: transparent; }
.proc-care-card--dark h2 { color: var(--pure-white); }
.proc-care-card--dark p { color: var(--silver); }
.proc-care-card--dark a { color: var(--gold-light); text-decoration: underline; text-underline-offset: 3px; }
@media (max-width: 1000px) {
    .proc-steps { grid-template-columns: 1fr; gap: 26px; max-width: 560px; }
    .proc-steps::before { top: 34px; bottom: 34px; left: 34px; right: auto; width: 1px; height: auto; background: linear-gradient(180deg, transparent, var(--gold) 10%, var(--gold) 90%, transparent); }
    .proc-step { display: grid; grid-template-columns: 68px minmax(0, 1fr); column-gap: 20px; text-align: left; }
    .proc-step-icon { grid-row: span 2; margin: 0; }
    .proc-step h3 { align-self: end; }
    .proc-row, .proc-row.is-flipped { grid-template-columns: 1fr; gap: 32px; }
    .proc-row.is-flipped .proc-row-img { order: 0; }
    .proc-care-grid { grid-template-columns: 1fr; }
    .proc-facts { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) { .proc-who { grid-template-columns: 1fr; } .proc-hero { padding: 120px 0 56px; } }

/* ---------- Guides hub ---------- */
.guides-group { margin-bottom: 64px; }
.guides-group-head { display: flex; align-items: center; gap: 14px; margin-bottom: 6px; }
.guides-group-head h2 { font-family: var(--font-display); font-weight: 400; font-size: 1.6rem; color: var(--black); letter-spacing: -.02em; }
.guides-group-icon { width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center; background: var(--cream); flex-shrink: 0; }
.guides-group-icon svg { width: 22px; height: 22px; color: #8a6a34; }
.guide-card { display: flex; flex-direction: column; }
.guide-card h3 { font-family: var(--font-display); font-weight: 500; font-size: 1.12rem; color: var(--black); line-height: 1.35; margin-bottom: 8px; }
.guide-card .guide-card-more { margin-top: auto; padding-top: 14px; }
.guides-stone-intro { color: var(--grey); margin: 6px 0 18px; }
.guides-stone-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.guides-stone-chips a { padding: 8px 15px; border: 1px solid #e6e2da; border-radius: 999px; background: var(--pure-white); font-size: .84rem; color: var(--dark); transition: border-color .2s, color .2s; }
.guides-stone-chips a:hover { border-color: var(--gold); color: #8a6a34; }

/* ---------- Home: hero keyword line, stone panel links, why protect ---------- */
.hero-kicker { display: block; font-family: var(--font-body); font-size: .78rem; font-weight: 500; letter-spacing: .24em; text-transform: uppercase; color: var(--gold-light); margin-bottom: 22px; line-height: 1.5; }
.stone-panel-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 18px; font-size: .84rem; font-weight: 500; color: var(--gold-light); border-bottom: 1px solid rgba(212,176,122,.4); padding-bottom: 2px; transition: gap .25s, border-color .25s; }
.stone-panel-link:hover { gap: 12px; border-color: var(--gold-light); }
.stone-panel-link svg { width: 14px; height: 14px; }
.why-protect { padding: 110px 0; }
.wp-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 64px; align-items: end; margin-bottom: 56px; }
.wp-head .section-header { margin-bottom: 0; }
.wp-intro { color: var(--grey); font-size: 1.05rem; line-height: 1.85; font-weight: 300; }
.wp-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.wp-card { position: relative; overflow: hidden; padding: 32px 28px 30px; border-radius: 18px; background: var(--pure-white); border: 1px solid #e8e3da; transition: transform .45s var(--ease-out), box-shadow .45s var(--ease-out); }
.wp-card:hover { transform: translateY(-4px); box-shadow: 0 24px 50px rgba(0,0,0,.08); }
.wp-card > svg { width: 28px; height: 28px; color: var(--gold); }
.wp-stat { display: block; font-family: var(--font-display); font-weight: 200; font-size: clamp(2.2rem, 3.4vw, 3rem); letter-spacing: -.04em; color: var(--black); line-height: 1; margin: 22px 0 14px; }
.wp-card h3 { font-family: var(--font-display); font-weight: 500; font-size: 1.1rem; color: var(--black); margin-bottom: 8px; }
.wp-card p { font-size: .9rem; color: var(--grey); line-height: 1.7; }
.wp-card--good { background: var(--charcoal); border-color: transparent; }
.wp-card--good .wp-stat { color: var(--gold-light); }
.wp-card--good h3 { color: var(--pure-white); }
.wp-card--good p { color: var(--silver); }
.wp-card--good::after { content: ''; position: absolute; width: 220px; height: 220px; right: -80px; bottom: -90px; border-radius: 50%; background: radial-gradient(circle, rgba(184,150,90,.3), transparent 70%); }
.wp-band { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 40px; margin-top: 28px; padding: 30px 34px; border-radius: 18px; background: var(--cream); align-items: center; }
.wp-band-title { font-family: var(--font-display); font-weight: 500; font-size: 1.05rem; color: var(--black); margin-bottom: 12px; }
.wp-checks { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 8px 18px; }
.wp-checks li { display: flex; align-items: center; gap: 8px; font-size: .9rem; color: var(--dark); }
.wp-checks svg { width: 16px; height: 16px; color: #8a6a34; stroke-width: 2.2; flex-shrink: 0; }
.wp-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.wp-chips a { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px 6px 6px; border-radius: 999px; background: var(--pure-white); border: 1px solid #e6e0d5; font-size: .82rem; color: var(--dark); transition: border-color .2s, color .2s, transform .25s var(--ease-out); }
.wp-chips a:hover { border-color: var(--gold); color: #8a6a34; transform: translateY(-1px); }
.wp-chips a span { width: 22px; height: 22px; border-radius: 50%; background-size: cover; background-position: center; box-shadow: inset 0 0 0 1px rgba(0,0,0,.08); }
.wp-chips a.wp-chip-all { padding: 6px 14px; color: #8a6a34; font-weight: 500; }
@media (max-width: 1100px) { .wp-grid { grid-template-columns: 1fr 1fr; } .wp-band { grid-template-columns: 1fr; gap: 24px; } }
@media (max-width: 800px) { .wp-head { grid-template-columns: 1fr; gap: 20px; } .why-protect { padding: 72px 0; } }
@media (max-width: 520px) { .wp-grid { grid-template-columns: 1fr; } .wp-checks { grid-template-columns: 1fr; } .wp-band { padding: 24px 20px; } }

/* ==========================================================================
   v4: STONE CARE (fix pages, problem hubs, finder), surface fix links
   ========================================================================== */
.fx-hero .page-title { max-width: 900px; margin-left: auto; margin-right: auto; text-wrap: balance; }
.fx-meta { list-style: none; display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 26px; }
.fx-meta li { display: flex; align-items: center; gap: 10px; padding: 10px 16px; border: 1px solid rgba(255,255,255,.12); border-radius: 12px; background: rgba(255,255,255,.03); text-align: left; }
.fx-meta svg { width: 18px; height: 18px; color: var(--gold); flex-shrink: 0; }
.fx-meta span { font-size: .82rem; color: var(--pearl); line-height: 1.35; }
.fx-meta strong { display: block; font-size: .62rem; letter-spacing: .14em; text-transform: uppercase; color: var(--grey-light); font-weight: 500; }
.fx-section { padding-top: 72px; }
.fx-grid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 64px; align-items: start; }
.fx-article.article { max-width: none; margin: 0; }
.fx-article h2 { margin-top: 44px; }
.fx-note p:last-child { margin-bottom: 0; }
.fx-diagnose, .fx-avoid { list-style: none; padding-left: 0 !important; }
.fx-diagnose li, .fx-avoid li { position: relative; padding: 12px 16px 12px 44px; margin-bottom: 8px; border: 1px solid #e8e3da; border-radius: 10px; background: var(--pure-white); }
.fx-diagnose li::before { content: '?'; position: absolute; left: 14px; top: 12px; width: 20px; height: 20px; border-radius: 50%; background: var(--cream); color: #8a6a34; font-size: .75rem; font-weight: 600; display: grid; place-items: center; }
.fx-avoid li::before { content: '\2715'; position: absolute; left: 14px; top: 12px; width: 20px; height: 20px; border-radius: 50%; background: #f6e9e6; color: #a2473a; font-size: .7rem; display: grid; place-items: center; }
.fx-supplies { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding-left: 0 !important; }
.fx-supplies li { margin: 0; padding: 6px 13px; border-radius: 999px; background: var(--cream); border: 1px solid #ebe5da; font-size: .86rem; color: var(--dark); }
.fx-steps { list-style: none; padding-left: 0 !important; counter-reset: fx; }
.fx-steps li { counter-increment: fx; position: relative; padding: 0 0 22px 56px; margin: 0; }
.fx-steps li::before { content: counter(fx); position: absolute; left: 0; top: 0; width: 36px; height: 36px; border-radius: 50%; background: var(--charcoal); color: var(--gold-light); font-family: var(--font-display); font-weight: 500; display: grid; place-items: center; }
.fx-steps li:not(:last-child)::after { content: ''; position: absolute; left: 17.5px; top: 42px; bottom: 6px; width: 1px; background: #e0d9cc; }
.fx-steps h3 { margin: 6px 0 4px !important; }
.fx-steps p { margin-bottom: 0 !important; }
.fx-callout { padding: 14px 18px; border-radius: 10px; background: #fbf5ea; border: 1px solid #efe1c6; font-size: .95rem; }
.fx-aside { position: sticky; top: 100px; display: flex; flex-direction: column; gap: 18px; }
.fx-card { border-radius: 14px; overflow: hidden; border: 1px solid #e8e3da; background: var(--pure-white); }
.fx-card-img { display: block; height: 130px; background-size: cover; background-position: center; }
.fx-card-body { padding: 20px 22px 22px; }
.fx-card-title { font-family: var(--font-display); font-weight: 500; font-size: 1.02rem; color: var(--black); margin-bottom: 12px; }
.fx-facts { margin: 0; display: grid; gap: 10px; }
.fx-facts div { display: grid; gap: 2px; }
.fx-facts dt { font-size: .62rem; letter-spacing: .14em; text-transform: uppercase; color: var(--grey); }
.fx-facts dd { margin: 0; font-size: .86rem; color: var(--dark); line-height: 1.45; }
.fx-card--dark { background: var(--charcoal); border-color: transparent; padding: 24px 22px; }
.fx-card--dark .fx-card-title { color: var(--pure-white); }
.fx-card--dark p { color: var(--silver); font-size: .88rem; line-height: 1.6; margin-bottom: 18px; }
.fx-card-link { display: block; margin-top: 12px; text-align: center; font-size: .78rem; color: var(--grey-light); }
.fx-card-link:hover { color: var(--gold-light); }
.fx-related { padding: 72px 0; }
.fx-related-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.fx-related-title { font-family: var(--font-display); font-weight: 400; font-size: 1.35rem; color: var(--black); margin-bottom: 16px; }
.fx-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.fx-chips a { padding: 8px 14px; border-radius: 999px; background: var(--pure-white); border: 1px solid #e3ddd1; font-size: .84rem; color: var(--dark); transition: border-color .2s, color .2s; }
.fx-chips a:hover { border-color: var(--gold); color: #8a6a34; }
@media (max-width: 1000px) {
    .fx-grid { grid-template-columns: 1fr; gap: 40px; }
    .fx-aside { position: static; display: grid; grid-template-columns: 1fr 1fr; }
    .fx-related-grid { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 600px) {
    .fx-aside { grid-template-columns: 1fr; }
    .fx-meta { justify-content: stretch; }
    .fx-meta li { flex: 1 1 100%; }
    .fx-steps li { padding-left: 50px; }
}

/* Problem hubs + care hub */
.fx-pick-label { font-size: .7rem; letter-spacing: .18em; text-transform: uppercase; color: #8a6a34; font-weight: 600; margin-bottom: 16px; text-align: center; }
.fx-stone-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; max-width: 1040px; margin: 0 auto; }
.fx-stone { display: flex; align-items: center; gap: 10px; padding: 10px 14px 10px 10px; border: 1px solid #e8e3da; border-radius: 12px; background: var(--pure-white); font-weight: 500; font-size: .92rem; color: var(--black); transition: border-color .25s, transform .3s var(--ease-out), box-shadow .3s; }
.fx-stone:hover { border-color: var(--gold); transform: translateY(-2px); box-shadow: 0 12px 28px rgba(0,0,0,.07); }
.fx-stone span { width: 34px; height: 34px; border-radius: 50%; background-size: cover; background-position: center; flex-shrink: 0; box-shadow: inset 0 0 0 1px rgba(0,0,0,.08); }
.fx-table td { font-size: .88rem; color: var(--grey); }
.fx-table td:nth-child(3) { white-space: nowrap; }
.fx-table-link { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; color: #8a6a34 !important; text-decoration: none !important; font-weight: 500; }
.fx-table-link svg { width: 14px; height: 14px; }
.fx-rules { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.fx-rules li { display: flex; gap: 14px; align-items: flex-start; padding: 18px 20px; border: 1px solid #e8e3da; border-radius: 12px; background: var(--pure-white); font-size: .92rem; color: var(--grey); line-height: 1.6; }
.fx-rules svg { width: 22px; height: 22px; color: var(--gold); flex-shrink: 0; margin-top: 2px; }
.fx-rules strong { color: var(--black); }
@media (max-width: 700px) { .fx-rules { grid-template-columns: 1fr; } }

.fx-care-hero { padding-bottom: 64px; }
.fx-finder { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: center; gap: 14px; margin: 36px auto 0; max-width: 820px; padding: 22px; border-radius: 16px; background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.1); }
.fx-finder label { display: flex; flex-direction: column; gap: 6px; text-align: left; flex: 1 1 200px; }
.fx-finder label span { font-size: .68rem; letter-spacing: .16em; text-transform: uppercase; color: var(--grey-light); }
.fx-finder select { appearance: none; -webkit-appearance: none; width: 100%; padding: 13px 40px 13px 14px; border-radius: 10px; border: 1px solid rgba(255,255,255,.18); background: #1d1d1d url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%23d4b07a' stroke-width='2'%3E%3Cpath d='M2 4l4 4 4-4'/%3E%3C/svg%3E") no-repeat right 14px center; color: var(--pure-white); font: inherit; font-size: .95rem; cursor: pointer; }
.fx-finder select:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.fx-finder .btn { flex: 0 0 auto; padding: 14px 24px; }
.fx-finder .btn svg { width: 16px; height: 16px; }
.fx-problem-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 14px; }
.fx-problem { display: flex; flex-direction: column; gap: 6px; padding: 24px 22px; border: 1px solid #e8e3da; border-radius: 14px; background: var(--pure-white); transition: transform .35s var(--ease-out), box-shadow .35s, border-color .25s; }
.fx-problem:hover { transform: translateY(-3px); box-shadow: 0 16px 36px rgba(0,0,0,.08); border-color: rgba(184,150,90,.55); }
.fx-problem > svg { width: 26px; height: 26px; color: var(--gold); margin-bottom: 8px; }
.fx-problem-name { font-family: var(--font-display); font-weight: 500; font-size: 1.08rem; color: var(--black); }
.fx-problem-count { font-size: .8rem; color: var(--grey); }
.fx-matrix th, .fx-matrix td { text-align: center; padding: 10px 8px; }
.fx-matrix thead th { font-size: .74rem; line-height: 1.3; vertical-align: bottom; }
.fx-matrix thead th a { color: var(--pure-white); text-decoration: none; }
.fx-matrix tbody th { text-align: left; white-space: nowrap; }
.fx-matrix tbody th a { color: var(--black); text-decoration: none; }
.fx-matrix td a { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: rgba(184,150,90,.12); color: #8a6a34; transition: background .2s, color .2s; }
.fx-matrix td a:hover { background: var(--gold); color: var(--black); }
.fx-matrix td svg { width: 15px; height: 15px; stroke-width: 2.2; }
.fx-na { color: #c9c3b8; }
.fx-matrix { min-width: 1080px; }
.fx-hub-p { color: var(--grey); line-height: 1.85; font-size: 1.02rem; }

/* Guides menu: fix column */
.nav-menu--guides { width: min(1000px, calc(100vw - 48px)); }
.guide-menu-cols { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.guide-menu-col--fix { padding-left: 24px; border-left: 1px solid #efebe4; }
.guide-menu-link--all { display: inline-flex; align-items: center; gap: 6px; color: #8a6a34; font-weight: 500; }
.guide-menu-link--all svg { width: 14px; height: 14px; }
@media (max-width: 1100px) and (min-width: 769px) { .guide-menu-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 28px; } .guide-menu-col--fix { padding-left: 0; border-left: 0; } }
@media (max-width: 768px) { .guide-menu-cols { grid-template-columns: 1fr; } .guide-menu-col--fix { padding-left: 0; border-left: 0; } .menu-foot-row { flex-wrap: wrap; } }

/* Surface pages: fix links */
.sp-fixes { padding-top: 0; }
.sp-fix-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.sp-fix { display: flex; align-items: center; gap: 14px; padding: 16px 18px; border: 1px solid #e8e3da; border-radius: 12px; background: var(--pure-white); font-size: .92rem; font-weight: 500; color: var(--dark); transition: border-color .25s, transform .3s var(--ease-out); }
.sp-fix:hover { border-color: var(--gold); transform: translateY(-2px); }
.sp-fix svg { width: 22px; height: 22px; color: var(--gold); flex-shrink: 0; }

/* Home: fix chips */
.home-fix { margin-top: 44px; text-align: center; }
.home-fix-title { font-family: var(--font-display); font-size: 1.2rem; color: var(--black); margin-bottom: 16px; }
.home-fix .fx-chips { justify-content: center; }

.page-title { line-height: 1.15; text-wrap: balance; }

/* Safety notice on repair and cleaning pages */
.safety-notice { display: flex; gap: 12px; align-items: flex-start; margin: 0 0 22px; padding: 14px 18px; border-radius: 10px; background: #fcf1ef; border: 1px solid #f0d4cf; color: #7a3a31; }
.safety-notice svg { width: 20px; height: 20px; flex-shrink: 0; margin-top: 2px; color: #b4574a; }
.safety-notice p { margin: 0 !important; font-size: .9rem; line-height: 1.6; color: #7a3a31; }
.safety-notice strong { color: #6a2f27 !important; }
.safety-notice a { color: #9c3f33 !important; font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }

/* Risk meters: colour by level (red = very high ... soft yellow-green = very low, never full green) */
.risk-meter[data-level="5"] i.on, .sp-profile .risk-meter[data-level="5"] i.on { background: #d6453a; }
.risk-meter[data-level="4"] i.on, .sp-profile .risk-meter[data-level="4"] i.on { background: #e8762f; }
.risk-meter[data-level="3"] i.on, .sp-profile .risk-meter[data-level="3"] i.on { background: #eba331; }
.risk-meter[data-level="2"] i.on, .sp-profile .risk-meter[data-level="2"] i.on { background: #e6cc3a; }
.risk-meter[data-level="1"] i.on, .sp-profile .risk-meter[data-level="1"] i.on { background: #bdd46a; }