:root {
    --black-amethyst: #14082D;
    --deep-amethyst: #2D1B69;
    --malachite: #1B6B4A;
    --garnet: #8B2252;
    --citrine: #C4A35A;
    --moonstone: #F0EBE3;
    --rose-quartz: #E8D5C4;
    --sapphire: #0F2847;
    --font-display: 'Cormorant Garamond', serif;
    --font-body: 'Libre Baskerville', serif;
    --font-accent: 'Bodoni Moda', serif;
    --ease-luxe: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-snap-type: y proximity;
}

body {
    background-color: var(--black-amethyst);
    color: var(--moonstone);
    font-family: var(--font-body);
    font-size: clamp(1rem, 1.4vw, 1.25rem);
    line-height: 1.72;
    letter-spacing: 0.01em;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===================== GEM ICON ===================== */

.gem-icon {
    position: fixed;
    top: clamp(1.5rem, 3vw, 3rem);
    left: clamp(1.5rem, 3vw, 3rem);
    z-index: 100;
    opacity: 0.7;
    transition: opacity 0.5s var(--ease-luxe);
}

.gem-icon:hover {
    opacity: 1;
}

/* ===================== VITRINES ===================== */

.vitrines {
    width: 100%;
}

.vitrine {
    min-height: 100vh;
    position: relative;
    scroll-snap-align: start;
    overflow: hidden;
}

/* ===================== VITRINE I — THE THRESHOLD ===================== */

.vitrine-i {
    background: linear-gradient(165deg, #14082D 0%, #2D1B69 45%, #0F2847 100%);
    display: flex;
    align-items: center;
}

.vitrine-i-grid {
    display: grid;
    grid-template-columns: repeat(16, 1fr);
    width: 100%;
    min-height: 100vh;
    align-items: center;
    padding: clamp(2rem, 5vw, 8rem) 0;
}

.vitrine-i-text {
    grid-column: 1 / 5;
    margin-left: clamp(3rem, 8vw, 10rem);
    z-index: 2;
}

.site-title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(3.2rem, 8vw, 7rem);
    color: var(--citrine);
    letter-spacing: -0.02em;
    line-height: 1.05;
    text-shadow: 0 0 60px rgba(196, 163, 90, 0.2);
}

.site-tagline {
    font-family: var(--font-body);
    font-size: clamp(0.9rem, 1.2vw, 1.15rem);
    color: var(--moonstone);
    margin-top: 1.5rem;
    opacity: 0.85;
    line-height: 1.6;
}

.vitrine-i-image {
    grid-column: 5 / 17;
    position: relative;
    opacity: 0;
    transform: translateX(3rem);
    transition: opacity 1.5s var(--ease-luxe), transform 1.5s var(--ease-luxe);
}

.vitrine-i-image.revealed {
    opacity: 1;
    transform: translateX(0);
}

.geode-image {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.geode-placeholder {
    width: 100%;
    max-width: 600px;
}

.geode-svg {
    width: 100%;
    height: auto;
}

.ivy-tendril {
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100%;
    height: 60px;
}

.ivy-path {
    stroke-dasharray: 1200;
    stroke-dashoffset: 1200;
    transition: stroke-dashoffset 2s var(--ease-luxe);
}

.vitrine-i-image.revealed .ivy-path {
    stroke-dashoffset: 0;
}

/* ===================== VITRINE II — THE COLLECTION ===================== */

.vitrine-ii {
    background-color: var(--black-amethyst);
    padding: clamp(2rem, 5vw, 8rem) 0;
}

.vitrine-ii-grid {
    display: grid;
    grid-template-columns: repeat(16, 1fr);
    width: 100%;
    min-height: 100vh;
    align-items: center;
    gap: 2rem;
    padding: 0 clamp(1rem, 3vw, 4rem);
}

.vitrine-ii-text {
    grid-column: 1 / 8;
    padding: clamp(2rem, 5vw, 6rem);
    position: relative;
}

.section-label {
    font-family: var(--font-accent);
    font-weight: 400;
    font-size: clamp(0.7rem, 1vw, 0.9rem);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--citrine);
    display: block;
    margin-bottom: 1.5rem;
}

.gold-line {
    width: 60px;
    height: 1px;
    background-color: var(--citrine);
    opacity: 0.4;
    margin-bottom: 2rem;
}

.body-text {
    max-width: 38ch;
    color: var(--moonstone);
    margin-bottom: 2rem;
}

.vertical-accent {
    font-family: var(--font-accent);
    font-weight: 400;
    font-size: clamp(0.7rem, 1vw, 0.9rem);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--malachite);
    writing-mode: vertical-rl;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
}

.vitrine-ii-cards {
    grid-column: 10 / 15;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    align-items: center;
}

/* ===================== CARD-FLIP ===================== */

.card-flip {
    width: 280px;
    height: 380px;
    perspective: 1000px;
    cursor: pointer;
}

.card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.7s var(--ease-luxe);
    transform-style: preserve-3d;
}

.card-flip:hover .card-inner,
.card-flip.flipped .card-inner {
    transform: rotateY(180deg);
}

.card-front,
.card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 2px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(20, 8, 45, 0.4);
}

.card-front {
    background-color: var(--black-amethyst);
    display: flex;
    flex-direction: column;
}

.card-image {
    flex: 1;
    overflow: hidden;
}

.card-art {
    width: 100%;
    height: 100%;
    display: block;
}

.card-label {
    font-family: var(--font-accent);
    font-weight: 400;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--moonstone);
    padding: 1rem 1.25rem;
    display: block;
    border-top: 1px solid rgba(196, 163, 90, 0.2);
}

.card-back {
    background: radial-gradient(ellipse at 30% 70%, #8B2252 0%, #14082D 100%);
    transform: rotateY(180deg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2.5rem;
    text-align: center;
}

.card-back-garnet {
    background: radial-gradient(ellipse at 30% 70%, #8B2252 0%, #14082D 100%);
}

.card-back-text {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.6rem;
    color: var(--citrine);
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.card-back-desc {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--moonstone);
    line-height: 1.65;
    opacity: 0.85;
}

/* ===================== VITRINE III — THE GARDEN ===================== */

.vitrine-iii {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 100vh;
}

.vitrine-iii-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.botanical-bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.vitrine-iii-overlay {
    position: relative;
    z-index: 1;
    width: 33.33%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(2rem, 5vw, 5rem);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    background: rgba(20, 8, 45, 0.7);
    border-right: 1px solid var(--citrine);
}

.garden-text {
    font-family: var(--font-body);
    color: var(--moonstone);
    font-size: clamp(0.95rem, 1.2vw, 1.1rem);
    line-height: 1.72;
    margin-bottom: 1.5rem;
    max-width: 38ch;
}

.rose-ornament {
    margin-top: 2rem;
    align-self: center;
    opacity: 0.6;
}

/* ===================== VITRINE IV — THE VAULT ===================== */

.vitrine-iv {
    background-color: var(--sapphire);
    padding: clamp(2rem, 5vw, 8rem) 0;
    position: relative;
}

.vitrine-iv-grid {
    display: grid;
    grid-template-columns: repeat(16, 1fr);
    width: 100%;
    min-height: 100vh;
    align-items: center;
    gap: 2rem;
    padding: 0 clamp(1rem, 3vw, 4rem);
    position: relative;
}

.vitrine-iv-text {
    grid-column: 1 / 8;
    padding: clamp(2rem, 5vw, 6rem);
}

.vault-title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(4rem, 10vw, 9rem);
    color: var(--citrine);
    letter-spacing: -0.02em;
    line-height: 1.05;
    text-shadow: 0 4px 30px rgba(139, 34, 82, 0.25);
    margin-bottom: 2rem;
}

.vitrine-iv-cards {
    grid-column: 9 / 16;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    align-items: center;
}

.vitrine-iv-cards .card-flip:nth-child(2) {
    margin-top: 2rem;
}

.vitrine-iv-cards .card-flip:nth-child(3) {
    margin-top: 4rem;
}

/* Floating gem-facet polygons */
.floating-gem {
    position: absolute;
    animation: rotateGem 20s infinite linear;
}

.gem-1 {
    top: 10%;
    right: 5%;
}

.gem-2 {
    top: 35%;
    left: 3%;
}

.gem-3 {
    bottom: 15%;
    right: 15%;
}

.gem-4 {
    bottom: 30%;
    left: 8%;
}

@keyframes rotateGem {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ===================== VITRINE V — THE CODA ===================== */

.vitrine-v {
    background-color: var(--black-amethyst);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.coda-content {
    text-align: center;
    position: relative;
}

.gem-orbit {
    position: relative;
    width: 300px;
    height: 300px;
    margin: 0 auto 3rem;
    animation: orbit 30s linear infinite;
}

.orbit-gem {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: rotate(calc(var(--i) * 45deg)) translateX(120px) rotate(calc(var(--i) * -45deg)) translate(-50%, -50%);
    opacity: 0.5;
}

@keyframes orbit {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.coda-title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(2.5rem, 6vw, 5rem);
    color: var(--citrine);
    letter-spacing: -0.02em;
    line-height: 1.1;
    text-shadow: 0 0 60px rgba(196, 163, 90, 0.2);
    position: relative;
    z-index: 2;
}

.coda-subtitle {
    font-family: var(--font-accent);
    font-weight: 400;
    font-size: clamp(0.7rem, 1vw, 0.9rem);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--moonstone);
    opacity: 0.6;
    margin-top: 1.5rem;
    position: relative;
    z-index: 2;
}

/* ===================== REVEAL ANIMATIONS ===================== */

.reveal-element {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.8s var(--ease-luxe), transform 0.8s var(--ease-luxe);
}

.reveal-element.revealed {
    opacity: 1;
    transform: scale(1);
}

.vitrine-i-text.reveal-element {
    transform: translateY(1.5rem);
}

.vitrine-i-text.revealed {
    transform: translateY(0);
}

.vitrine-iii-overlay.reveal-element {
    transform: translateX(-2rem);
    opacity: 0;
}

.vitrine-iii-overlay.revealed {
    transform: translateX(0);
    opacity: 1;
}

/* ===================== DECORATIVE LINES ===================== */

.gold-line-double {
    width: 60px;
    height: 5px;
    border-top: 1px solid var(--citrine);
    border-bottom: 1px solid var(--citrine);
    opacity: 0.4;
}

/* ===================== RESPONSIVE ===================== */

@media (max-width: 1024px) {
    .vitrine-i-grid {
        grid-template-columns: 1fr;
        padding: clamp(2rem, 5vw, 6rem);
    }
    
    .vitrine-i-text {
        grid-column: 1;
        margin-left: 0;
        margin-bottom: 3rem;
    }
    
    .vitrine-i-image {
        grid-column: 1;
    }
    
    .vitrine-ii-grid {
        grid-template-columns: 1fr;
    }
    
    .vitrine-ii-text {
        grid-column: 1;
    }
    
    .vitrine-ii-cards {
        grid-column: 1;
    }
    
    .vertical-accent {
        writing-mode: horizontal-tb;
        position: static;
        transform: none;
        margin-top: 1rem;
        display: block;
    }
    
    .vitrine-iii-overlay {
        width: 100%;
        min-height: auto;
        border-right: none;
        border-bottom: 1px solid var(--citrine);
    }
    
    .vitrine-iv-grid {
        grid-template-columns: 1fr;
    }
    
    .vitrine-iv-text {
        grid-column: 1;
    }
    
    .vitrine-iv-cards {
        grid-column: 1;
    }
    
    .vitrine-iv-cards .card-flip:nth-child(2),
    .vitrine-iv-cards .card-flip:nth-child(3) {
        margin-top: 0;
    }
}

@media (max-width: 600px) {
    .card-flip {
        width: 240px;
        height: 320px;
    }
    
    .gem-orbit {
        width: 200px;
        height: 200px;
    }
    
    .orbit-gem {
        transform: rotate(calc(var(--i) * 45deg)) translateX(80px) rotate(calc(var(--i) * -45deg)) translate(-50%, -50%);
    }
    
    .floating-gem {
        display: none;
    }
}