:root {
    --midnight: #0D0D0D;
    --burgundy: #6B1D3A;
    --burgundy-deep: #4A1228;
    --cream: #F5ECD7;
    --cream-warm: #EDE0C8;
    --neon: #FF2D7B;
    --gold: #C9A84C;
    --gray: #8A8A8A;
    --font-display: 'Poiret One', cursive;
    --font-body: 'Libre Baskerville', serif;
    --font-mono: 'IBM Plex Mono', monospace;
    --font-kr: 'Noto Sans KR', sans-serif;
}

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

html {
    scroll-behavior: auto;
    overflow-x: hidden;
}

body {
    background: var(--midnight);
    color: var(--cream);
    font-family: var(--font-body);
    font-size: clamp(0.95rem, 1.1vw, 1.15rem);
    line-height: 1.7;
    overflow-x: hidden;
}

/* ========================
   SKELETON OVERLAY
   ======================== */
#skeleton-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1000;
    background: var(--cream);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 24px;
    padding: 40px;
    transition: opacity 0.4s ease-out;
}

#skeleton-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.skeleton-block {
    position: relative;
    border: 2px solid var(--burgundy);
    background: transparent;
    box-shadow: 0 0 8px var(--neon), 0 0 16px rgba(255, 45, 123, 0.3);
    animation: skeletonPulse 2s ease-in-out infinite;
}

.skeleton-hero {
    width: 80%;
    height: 30vh;
}

.skeleton-manifesto {
    width: 90%;
    height: 10vh;
}

.skeleton-cards {
    width: 85%;
    height: 25vh;
}

.skeleton-inner {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 45, 123, 0.08) 50%, transparent 100%);
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
}

.skeleton-corner {
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--gold);
    transition: transform 0.5s ease-out, opacity 0.5s ease-out;
}

.skeleton-corner.tl {
    top: -1px;
    left: -1px;
    clip-path: polygon(0 0, 100% 0, 0 100%);
}

.skeleton-corner.tr {
    top: -1px;
    right: -1px;
    clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.skeleton-corner.bl {
    bottom: -1px;
    left: -1px;
    clip-path: polygon(0 0, 0 100%, 100% 100%);
}

.skeleton-corner.br {
    bottom: -1px;
    right: -1px;
    clip-path: polygon(100% 0, 0 100%, 100% 100%);
}

#skeleton-overlay.shattering .skeleton-corner.tl {
    transform: rotate(-45deg) scale(0);
    opacity: 0;
}

#skeleton-overlay.shattering .skeleton-corner.tr {
    transform: rotate(45deg) scale(0);
    opacity: 0;
}

#skeleton-overlay.shattering .skeleton-corner.bl {
    transform: rotate(45deg) scale(0);
    opacity: 0;
}

#skeleton-overlay.shattering .skeleton-corner.br {
    transform: rotate(-45deg) scale(0);
    opacity: 0;
}

#skeleton-overlay.shattering .skeleton-block {
    border-color: transparent;
    box-shadow: none;
}

@keyframes skeletonPulse {
    0%, 100% { box-shadow: 0 0 8px var(--neon), 0 0 16px rgba(255, 45, 123, 0.3); }
    50% { box-shadow: 0 0 12px var(--burgundy), 0 0 24px rgba(107, 29, 58, 0.4); }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* ========================
   VERTICAL QUOTE
   ======================== */
#vertical-quote {
    position: fixed;
    right: 16px;
    top: 50%;
    transform: translateY(-50%) rotate(-90deg);
    transform-origin: center center;
    font-family: var(--font-kr);
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.3em;
    color: var(--burgundy);
    opacity: 0.15;
    z-index: 1;
    white-space: nowrap;
    pointer-events: none;
}

/* ========================
   HERO ZONE
   ======================== */
#hero {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: var(--midnight);
    overflow: hidden;
}

#hero::before {
    content: '먼저';
    position: absolute;
    font-family: var(--font-kr);
    font-size: 40vw;
    font-weight: 900;
    color: transparent;
    -webkit-text-stroke: 1px rgba(107, 29, 58, 0.08);
    opacity: 0.3;
    pointer-events: none;
    z-index: 0;
}

#hero-text {
    font-family: var(--font-kr);
    font-weight: 900;
    font-size: clamp(6rem, 15vw, 16rem);
    letter-spacing: 0.08em;
    color: transparent;
    -webkit-text-stroke: 2px var(--neon);
    text-shadow:
        0 0 4px var(--neon),
        0 0 11px var(--neon),
        0 0 19px var(--neon),
        0 0 40px rgba(255, 45, 123, 0.4),
        0 0 80px rgba(255, 45, 123, 0.1);
    z-index: 2;
    will-change: opacity;
    animation: neonPulse 3s ease-in-out infinite;
}

#hero-chevron {
    width: 100%;
    padding: 0 20px;
    margin: 24px 0;
    z-index: 2;
}

#hero-chevron svg {
    width: 100%;
    height: 20px;
}

#hero-subline {
    font-family: var(--font-mono);
    font-weight: 300;
    font-size: clamp(0.7rem, 0.8vw, 0.85rem);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--cream);
    z-index: 2;
}

@keyframes neonPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

/* ========================
   MANIFESTO STRIP
   ======================== */
#manifesto {
    position: relative;
    width: 100%;
    height: 60vh;
    overflow: hidden;
    background: repeating-linear-gradient(
        90deg,
        var(--burgundy) 0px,
        var(--burgundy) 4px,
        var(--cream) 4px,
        var(--cream) 8px
    );
    display: flex;
    align-items: center;
}

#manifesto-inner {
    display: flex;
    gap: 40px;
    white-space: nowrap;
    will-change: transform;
    padding: 0 60px;
}

.manifesto-word {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 7rem);
    letter-spacing: 0.08em;
    color: var(--midnight);
    -webkit-text-stroke: 1px var(--midnight);
    paint-order: stroke fill;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    flex-shrink: 0;
}

.manifesto-word.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================
   CARD GRID ZONE
   ======================== */
#card-grid {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 40px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    background-image:
        linear-gradient(var(--burgundy-deep) 1px, transparent 1px),
        linear-gradient(90deg, var(--burgundy-deep) 1px, transparent 1px);
    background-size: 60px 60px;
    background-position: center;
    background-attachment: local;
}

#card-grid::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--midnight);
    opacity: 0.92;
    z-index: 0;
    pointer-events: none;
}

.card {
    position: relative;
    border: 3px solid var(--burgundy);
    padding: 32px 24px;
    transform: rotate(var(--rotation, 0deg));
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    z-index: 1;
    will-change: transform;
}

.card:nth-child(1) { margin-top: 40px; }
.card:nth-child(2) { margin-top: 0; }
.card:nth-child(3) { margin-top: 20px; }
.card:nth-child(4) { margin-top: -8px; }
.card:nth-child(5) { margin-top: -12px; }
.card:nth-child(6) { margin-top: -8px; }

.card-cream {
    background: var(--cream);
    color: var(--burgundy);
}

.card-dark {
    background: var(--burgundy);
    color: var(--cream);
}

.card:hover {
    box-shadow: 6px 6px 0 var(--burgundy-deep);
    transform: rotate(var(--rotation, 0deg)) translateY(-4px) rotate(0.5deg);
}

/* Card corners */
.card-corner {
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--gold);
    z-index: 2;
}

.card-corner.tl {
    top: -1px;
    left: -1px;
    clip-path: polygon(0 0, 100% 0, 0 100%);
}

.card-corner.tr {
    top: -1px;
    right: -1px;
    clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.card-corner.bl {
    bottom: -1px;
    left: -1px;
    clip-path: polygon(0 0, 0 100%, 100% 100%);
}

.card-corner.br {
    bottom: -1px;
    right: -1px;
    clip-path: polygon(100% 0, 0 100%, 100% 100%);
}

/* Card skeleton */
.card-skeleton {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 45, 123, 0.06) 50%, transparent 100%);
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
    z-index: 3;
    transition: opacity 0.4s ease-out;
}

.card.revealed .card-skeleton {
    opacity: 0;
    pointer-events: none;
}

.card-content {
    position: relative;
    z-index: 2;
    opacity: 0;
    transition: opacity 0.4s ease-out;
}

.card.revealed .card-content {
    opacity: 1;
}

.card h3 {
    font-family: var(--font-kr);
    font-weight: 900;
    font-size: clamp(1.4rem, 2.5vw, 1.8rem);
    margin-bottom: 4px;
}

.card .card-label {
    font-family: var(--font-mono);
    font-weight: 300;
    font-size: clamp(0.65rem, 0.75vw, 0.8rem);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    opacity: 0.7;
    margin-bottom: 16px;
}

.card p:last-child {
    font-family: var(--font-body);
    font-size: clamp(0.85rem, 1vw, 1rem);
    line-height: 1.7;
}

/* ========================
   NEON GALLERY
   ======================== */
#neon-gallery {
    position: relative;
    width: 100%;
    height: 100vh;
    background: var(--midnight);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: clamp(40px, 8vw, 120px);
    overflow: hidden;
}

.neon-shape {
    position: relative;
    will-change: transform;
    transition: transform 0.1s linear;
}

#neon-circle {
    width: clamp(150px, 20vw, 250px);
    height: clamp(150px, 20vw, 250px);
    border-radius: 50%;
    border: 3px solid var(--neon);
    box-shadow:
        0 0 6px var(--neon),
        0 0 15px var(--neon),
        0 0 30px rgba(255, 45, 123, 0.4),
        0 0 60px rgba(255, 45, 123, 0.15),
        inset 0 0 10px rgba(255, 45, 123, 0.2);
    animation: neonPulse 3s ease-in-out infinite;
}

#neon-triangle {
    width: clamp(160px, 22vw, 280px);
    height: clamp(160px, 22vw, 280px);
    clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
    background: transparent;
    position: relative;
}

#neon-triangle::before {
    content: '';
    position: absolute;
    inset: 4px;
    clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
    background: var(--midnight);
}

#neon-triangle::after {
    content: '';
    position: absolute;
    inset: 0;
    clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
    background: var(--gold);
    opacity: 0.8;
}

#neon-triangle {
    filter:
        drop-shadow(0 0 6px var(--gold))
        drop-shadow(0 0 15px var(--gold))
        drop-shadow(0 0 30px rgba(201, 168, 76, 0.4));
    animation: neonPulse 3s ease-in-out infinite 1s;
}

#neon-hexagon {
    width: clamp(150px, 20vw, 260px);
    height: clamp(150px, 20vw, 260px);
    clip-path: polygon(25% 0%, 75% 0%, 100% 50%, 75% 100%, 25% 100%, 0% 50%);
    position: relative;
}

#neon-hexagon::before {
    content: '';
    position: absolute;
    inset: 4px;
    clip-path: polygon(25% 0%, 75% 0%, 100% 50%, 75% 100%, 25% 100%, 0% 50%);
    background: var(--midnight);
}

#neon-hexagon::after {
    content: '';
    position: absolute;
    inset: 0;
    clip-path: polygon(25% 0%, 75% 0%, 100% 50%, 75% 100%, 25% 100%, 0% 50%);
    background: var(--cream);
    opacity: 0.8;
}

#neon-hexagon {
    filter:
        drop-shadow(0 0 6px var(--cream))
        drop-shadow(0 0 15px rgba(245, 236, 215, 0.6))
        drop-shadow(0 0 30px rgba(245, 236, 215, 0.3));
    animation: neonPulse 3s ease-in-out infinite 2s;
}

/* ========================
   COLOPHON FOOTER
   ======================== */
#colophon {
    position: relative;
    background: var(--cream);
    padding: 80px 40px 60px;
    overflow: hidden;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80'%3E%3Ctext x='10' y='40' font-family='sans-serif' font-size='12' fill='%236B1D3A' opacity='0.04'%3E먼저%3C/text%3E%3C/svg%3E");
}

.deco-fan {
    width: 120px;
    height: 60px;
    margin: 0 auto 40px;
    background: conic-gradient(
        from 180deg at 50% 100%,
        var(--gold) 0deg,
        transparent 20deg,
        var(--gold) 40deg,
        transparent 60deg,
        var(--gold) 80deg,
        transparent 100deg,
        var(--gold) 120deg,
        transparent 140deg,
        var(--gold) 160deg,
        transparent 180deg
    );
    clip-path: ellipse(50% 100% at 50% 100%);
    opacity: 0.6;
}

#colophon-content {
    text-align: center;
}

.colophon-text {
    font-family: var(--font-mono);
    font-weight: 300;
    font-size: clamp(0.7rem, 0.8vw, 0.85rem);
    letter-spacing: 0.15em;
    text-transform: lowercase;
    color: var(--burgundy);
    margin-bottom: 16px;
}

.colophon-divider {
    width: 200px;
    margin: 16px auto;
}

.colophon-divider svg {
    width: 100%;
    height: 10px;
}

.colophon-meta {
    font-family: var(--font-mono);
    font-weight: 300;
    font-size: clamp(0.6rem, 0.7vw, 0.75rem);
    letter-spacing: 0.15em;
    color: var(--gray);
    margin-top: 24px;
}

/* ========================
   NOISE TEXTURE OVERLAY
   ======================== */
#colophon::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='4' height='4'%3E%3Crect x='0' y='0' width='1' height='1' fill='%230D0D0D' opacity='0.06'/%3E%3Crect x='2' y='2' width='1' height='1' fill='%230D0D0D' opacity='0.04'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 0;
}

/* ========================
   RESPONSIVE
   ======================== */
@media (max-width: 768px) {
    #card-grid {
        grid-template-columns: 1fr;
        padding: 60px 20px;
    }

    .card:nth-child(n) {
        margin-top: 0;
    }

    .card + .card {
        margin-top: -8px;
    }

    #manifesto {
        height: auto;
        padding: 60px 20px;
    }

    #manifesto-inner {
        flex-direction: column;
        gap: 8px;
        padding: 0;
    }

    .manifesto-word {
        font-size: clamp(2rem, 10vw, 4rem);
    }

    #neon-gallery {
        flex-direction: column;
        gap: 60px;
        height: auto;
        min-height: 100vh;
        padding: 80px 20px;
    }

    #vertical-quote {
        display: none;
    }
}