/* ============================================
   ggoomimi.com - Editorial Korean Newtro
   ============================================ */

:root {
    --deep-ground: #1C1E2E;
    --paper-tone: #F0E6D4;
    --amber: #D4883A;
    --muted-slate: #6B7A8D;
    --warm-shadow: #2A1F1A;
    --faded-coral: #C4735E;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    background: var(--deep-ground);
    color: var(--paper-tone);
    font-family: 'Source Serif 4', serif;
    font-weight: 400;
    font-size: clamp(0.9rem, 1.1vw, 1.15rem);
    line-height: 1.65;
    overflow-x: hidden;
}

/* --- Film Grain Overlay --- */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 300;
    pointer-events: none;
    opacity: 0.04;
    background-image: repeating-conic-gradient(
        var(--paper-tone) 0% 25%,
        transparent 0% 50%
    );
    background-size: 2px 2px;
    animation: grainShift 8s linear infinite;
}

@keyframes grainShift {
    0% { transform: translate(0, 0); }
    100% { transform: translate(4px, 4px); }
}

/* --- Atmospheric Blobs --- */
.blob-layer {
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

.atmo-blob {
    position: absolute;
    border-radius: 45% 55% 50% 50% / 50% 45% 55% 50%;
    animation: blobDrift 30s ease-in-out infinite;
}

.blob-1 {
    width: 50vw;
    height: 50vw;
    top: 10%;
    left: -10%;
    background: radial-gradient(circle at 40% 40%, rgba(212, 136, 58, 0.12), transparent 70%);
    animation-duration: 35s;
}

.blob-2 {
    width: 40vw;
    height: 40vw;
    top: 40%;
    right: -5%;
    background: radial-gradient(circle at 50% 50%, rgba(240, 230, 212, 0.06), transparent 70%);
    animation-duration: 28s;
    animation-delay: -10s;
}

.blob-3 {
    width: 45vw;
    height: 45vw;
    bottom: 10%;
    left: 20%;
    background: radial-gradient(circle at 45% 55%, rgba(212, 136, 58, 0.08), transparent 70%);
    animation-duration: 40s;
    animation-delay: -20s;
}

@keyframes blobDrift {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(20px, -15px) scale(1.03); }
    50% { transform: translate(-10px, 20px) scale(0.98); }
    75% { transform: translate(15px, 10px) scale(1.02); }
}

/* --- Scenes --- */
.scene {
    position: relative;
    z-index: 2;
    padding: 0 clamp(24px, 4vw, 80px);
}

.scene-title {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--deep-ground);
}

.scene-light {
    background: var(--paper-tone);
    color: var(--deep-ground);
    padding-top: 8vh;
    padding-bottom: 8vh;
}

.scene-commute {
    background: var(--paper-tone);
    color: var(--deep-ground);
    padding-top: 8vh;
    padding-bottom: 8vh;
}

.scene-golden {
    background: var(--warm-shadow);
    color: var(--paper-tone);
    padding-top: 8vh;
    padding-bottom: 8vh;
}

.scene-night {
    background: var(--deep-ground);
    color: var(--paper-tone);
    padding-top: 8vh;
    padding-bottom: 8vh;
}

/* --- Title --- */
.main-title {
    font-family: 'Bebas Neue', sans-serif;
    font-weight: 400;
    font-size: clamp(4rem, 10vw, 9rem);
    letter-spacing: 0.15em;
    color: var(--paper-tone);
    text-transform: uppercase;
    line-height: 1;
}

.main-sub {
    font-family: 'Source Serif 4', serif;
    font-weight: 300;
    font-style: italic;
    font-size: clamp(0.9rem, 1.2vw, 1.1rem);
    color: var(--muted-slate);
    margin-top: 16px;
}

.title-rule-container {
    margin-top: 32px;
    overflow: hidden;
    width: 200px;
}

.title-rule {
    width: 0;
    height: 1px;
    background: var(--amber);
    animation: ruleExpand 2s ease-out 2s forwards;
}

@keyframes ruleExpand {
    to { width: 100%; }
}

/* --- Interstitials --- */
.interstitial {
    text-align: center;
    padding: clamp(32px, 6vh, 60px) 0;
}

.interstitial-heading {
    font-family: 'Bebas Neue', sans-serif;
    font-weight: 400;
    font-size: clamp(4rem, 10vw, 9rem);
    letter-spacing: 0.06em;
    line-height: 1;
    display: block;
}

.interstitial-amber {
    color: var(--amber);
}

.interstitial-coord {
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 300;
    font-size: clamp(0.65rem, 0.8vw, 0.75rem);
    letter-spacing: 0.08em;
    color: var(--muted-slate);
    opacity: 0.5;
    display: block;
    margin-bottom: 12px;
}

/* --- Photo Grid --- */
.photo-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 2fr;
    gap: clamp(12px, 1.5vw, 24px);
    max-width: 1200px;
    margin: 0 auto;
}

.frame {
    position: relative;
    min-height: clamp(180px, 25vh, 360px);
    overflow: hidden;
    border: 1px solid transparent;
    transition: border-color 0.6s ease;
}

.frame.visible {
    border-color: rgba(107, 122, 141, 0.4);
}

.frame-tall {
    grid-row: span 2;
}

.frame-wide {
    grid-column: span 2;
}

.frame-pano {
    grid-column: span 3;
    min-height: clamp(200px, 30vh, 400px);
}

/* --- Duotone Image Simulations --- */
.duotone-img {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--deep-ground), var(--muted-slate));
}

.duotone-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 40%, rgba(212, 136, 58, 0.1), transparent 60%);
}

.dt-1 { background: linear-gradient(160deg, var(--deep-ground) 20%, var(--muted-slate)); }
.dt-2 { background: linear-gradient(200deg, var(--muted-slate), var(--deep-ground) 70%); }
.dt-3 { background: linear-gradient(45deg, var(--deep-ground), var(--muted-slate) 60%); }
.dt-4 { background: linear-gradient(90deg, var(--muted-slate) 30%, var(--deep-ground)); }
.dt-5 { background: linear-gradient(180deg, var(--deep-ground), var(--muted-slate) 80%); }
.dt-6 { background: linear-gradient(120deg, var(--muted-slate) 20%, var(--warm-shadow)); }
.dt-7 { background: linear-gradient(270deg, var(--deep-ground), var(--muted-slate)); }
.dt-8 { background: linear-gradient(200deg, var(--warm-shadow), var(--deep-ground) 60%); }
.dt-9 { background: linear-gradient(150deg, var(--deep-ground) 40%, var(--muted-slate)); }
.dt-10 { background: linear-gradient(30deg, var(--muted-slate), var(--deep-ground)); }
.dt-11 { background: linear-gradient(90deg, var(--warm-shadow), var(--deep-ground) 40%, var(--muted-slate)); }
.dt-12 { background: linear-gradient(135deg, var(--warm-shadow), var(--deep-ground)); }
.dt-13 { background: linear-gradient(225deg, var(--deep-ground), var(--warm-shadow) 60%); }
.dt-14 { background: linear-gradient(180deg, #121420, var(--deep-ground)); }
.dt-15 { background: linear-gradient(45deg, #0e1018, var(--deep-ground) 80%); }
.dt-16 { background: linear-gradient(270deg, #0e1018, var(--deep-ground)); }

/* --- Frame Meta --- */
.frame-meta {
    position: absolute;
    bottom: 8px;
    left: 10px;
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 300;
    font-size: clamp(0.6rem, 0.8vw, 0.7rem);
    letter-spacing: 0.04em;
    color: var(--paper-tone);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.frame:hover .frame-meta {
    opacity: 0.5;
}

/* --- Stagger Items --- */
.stagger-item {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.stagger-item.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Track Divider --- */
.track-divider {
    position: relative;
    z-index: 2;
    padding: 0 clamp(24px, 4vw, 80px);
    background: var(--paper-tone);
}

.track-svg {
    width: 100%;
    height: 24px;
}

/* --- Water Tower --- */
.water-tower {
    text-align: center;
    padding: 40px 0;
}

/* --- Colophon --- */
.scene-colophon {
    text-align: center;
    padding-top: 60px;
    padding-bottom: 60px;
}

.colophon-rule {
    border: none;
    border-top: 1px solid var(--amber);
    max-width: 120px;
    margin: 0 auto 32px;
}

.colophon-domain {
    font-family: 'Source Serif 4', serif;
    font-weight: 300;
    font-size: 0.9rem;
    font-variant: small-caps;
    letter-spacing: 0.06em;
    color: var(--paper-tone);
}

.colophon-year {
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 300;
    font-size: 0.7rem;
    color: var(--muted-slate);
    opacity: 0.5;
    display: block;
    margin-top: 8px;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .photo-grid {
        grid-template-columns: 1fr 1fr;
    }

    .frame-tall {
        grid-row: span 1;
    }

    .frame-pano {
        grid-column: span 2;
    }
}

@media (max-width: 480px) {
    .photo-grid {
        grid-template-columns: 1fr;
    }

    .frame-wide,
    .frame-pano {
        grid-column: span 1;
    }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
    .atmo-blob {
        animation: none;
    }

    body::after {
        animation: none;
    }

    .title-rule {
        animation: none;
        width: 100%;
    }

    .stagger-item {
        opacity: 1;
        transform: none;
        transition: none;
    }
}