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

html, body {
    width: 100%; height: 100%;
    background: #000;
    color: #fff;
    font-family: 'Noto Sans KR', sans-serif;
    -webkit-font-smoothing: antialiased;
}

/* ===== Fixed Map (always visible, narrative sections cover it) ===== */
#map {
    position: fixed;
    inset: 0;
    z-index: 0;
}

#arc-canvas {
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

/* ===== Scroll Container ===== */
.scroll-container {
    position: relative;
    z-index: 2;
}

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

/* ===== Narrative Sections (solid background, covers map) ===== */
.narrative-section {
    z-index: 5;
}

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

.narrative-bg.solid-black {
    background: #000;
}

.narrative-bg .bg-image {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    filter: brightness(0.45);
}

.narrative-bg .bg-image.bg-contain {
    background-size: contain;
    background-repeat: no-repeat;
}

.narrative-bg .bg-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(0,0,0,0.25) 0%,
        rgba(0,0,0,0.45) 100%
    );
}

.narrative-inner {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 720px;
    margin: 0 auto;
    padding: 80px 48px;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.narrative-section.active .narrative-inner {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Hero Section ===== */
.hero-section {
    min-height: 100vh;
    justify-content: center;
}

.hero-image {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    filter: brightness(0.35);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(0,0,0,0.3) 0%,
        rgba(0,0,0,0.1) 40%,
        rgba(0,0,0,0.6) 80%,
        rgba(0,0,0,1) 100%
    );
}

.hero-inner {
    max-width: 960px;
    text-align: center;
    padding: 0 48px;
}

.hero-subtitle {
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.45);
    margin-bottom: 20px;
}

.hero-title {
    font-size: 3.2rem;
    font-weight: 900;
    line-height: 1.2;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}

.hero-subtitle-large {
    font-size: 1.5rem;
    font-weight: 300;
    line-height: 1.6;
    color: rgba(255,255,255,0.7);
    margin-bottom: 32px;
}

.hero-desc {
    font-size: 0.9rem;
    font-weight: 300;
    color: rgba(255,255,255,0.4);
    line-height: 1.8;
}

.scroll-hint {
    margin-top: 48px;
    font-size: 0.75rem;
    color: rgba(255,255,255,0.25);
    animation: hintPulse 2.5s ease-in-out infinite;
}

@keyframes hintPulse {
    0%, 100% { opacity: 0.25; transform: translateY(0); }
    50% { opacity: 0.5; transform: translateY(8px); }
}

/* ===== Narrative Text Sections ===== */
.text-section {
    max-width: 640px;
}

.part-label {
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.3);
    margin-bottom: 12px;
}

.part-number {
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #7ED321;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.narrative-heading {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.4;
    letter-spacing: -0.02em;
    margin-bottom: 32px;
}

.narrative-text {
    font-size: 0.95rem;
    font-weight: 300;
    color: rgba(255,255,255,0.65);
    line-height: 2;
    margin-bottom: 20px;
}

.narrative-text:last-child {
    margin-bottom: 0;
}

/* ===== Split Layout (image + text side by side) ===== */
.split-layout {
    display: flex;
    align-items: center;
    gap: 48px;
    max-width: 960px;
    margin: 0 auto;
    padding: 80px 48px;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.narrative-section.active .split-layout {
    opacity: 1;
    transform: translateY(0);
}

.split-layout.reverse {
    flex-direction: row-reverse;
}

.split-layout .split-image {
    flex: 0 0 45%;
    border-radius: 8px;
    overflow: hidden;
}

.split-layout .split-image img {
    width: 100%;
    display: block;
    border-radius: 8px;
}

.split-layout .split-text {
    flex: 1;
}

.split-layout .split-text h2 {
    font-size: 2rem;
    font-weight: 900;
    color: #fff;
    margin-bottom: 20px;
}

.split-layout .split-text p {
    font-size: 0.95rem;
    font-weight: 300;
    color: rgba(255,255,255,0.65);
    line-height: 1.8;
    margin-bottom: 20px;
}

.split-layout .split-text p:last-child {
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .split-layout, .split-layout.reverse {
        flex-direction: column;
        padding: 60px 24px;
        gap: 24px;
    }
    .split-layout .split-image {
        flex: none;
        width: 100%;
    }
}

.narrative-quote {
    font-size: 0.9rem;
    font-style: italic;
    font-weight: 300;
    color: rgba(255,255,255,0.55);
    line-height: 1.8;
    margin: 24px 0;
    padding: 16px 24px;
    border-left: 2px solid rgba(255,255,255,0.2);
}

/* ===== Narrative Photos ===== */
.text-photo-block {
    margin-bottom: 40px;
    border-radius: 8px;
    overflow: hidden;
}

.narrative-photo {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
}

/* ===== Photo Gallery ===== */
.photo-gallery {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 8px;
}

.gallery-item {
    border-radius: 8px;
    overflow: hidden;
}

.gallery-photo {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
    border-radius: 8px;
}

.photo-caption {
    font-size: 0.72rem;
    color: rgba(255,255,255,0.3);
    margin-top: 8px;
    text-align: center;
}

/* ===== Outro ===== */
.outro-section {
    text-align: center;
    padding: 120px 48px;
}

.outro-line {
    width: 40px;
    height: 1px;
    background: rgba(255,255,255,0.15);
    margin: 0 auto 40px;
}

.outro-text {
    font-size: 1rem;
    font-weight: 300;
    color: rgba(255,255,255,0.5);
    line-height: 2;
    max-width: 480px;
    margin: 0 auto 48px;
}

.outro-credit {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.2);
    line-height: 1.8;
    letter-spacing: 0.05em;
}

/* ===== Map Sections (transparent, map shows through) ===== */
.map-section {
    pointer-events: none;
    z-index: 3;
}

.map-section .section-content {
    pointer-events: auto;
    margin-left: 48px;
    max-width: 380px;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.map-section.active .section-content {
    opacity: 1;
    transform: translateY(0);
}

/* Year badge */
.year-badge {
    font-size: 3.5rem;
    font-weight: 900;
    color: rgba(255,255,255,0.12);
    letter-spacing: -0.04em;
    line-height: 1;
}

.section-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 8px;
    text-shadow: 0 2px 16px rgba(0,0,0,0.7);
}

.section-content p {
    font-size: 0.95rem;
    font-weight: 300;
    color: rgba(255,255,255,0.55);
    margin-top: 10px;
    line-height: 1.8;
    text-shadow: 0 2px 10px rgba(0,0,0,0.6);
}

.year-stats {
    margin-top: 16px;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.4);
}

.year-stats span {
    font-weight: 700;
    color: rgba(255,255,255,0.7);
    font-size: 1rem;
}

/* ===== Fixed Top Right (Year + Legend) ===== */
.fixed-top-right {
    position: fixed;
    top: 28px; right: 36px;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.4s;
}

.fixed-top-right.visible {
    opacity: 1;
}

.year-indicator {
    font-size: 4.5rem;
    font-weight: 900;
    color: rgba(255,255,255,0.07);
    letter-spacing: -0.04em;
    line-height: 1;
    transition: opacity 0.4s;
}

.year-indicator.hidden { opacity: 0; }

.fixed-top-right .legend-box {
    pointer-events: auto;
}

/* Legend */
.legend-box {
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 10px;
    padding: 16px 20px;
}

.legend-title {
    font-size: 0.65rem;
    color: rgba(255,255,255,0.35);
    letter-spacing: 0.06em;
    margin-bottom: 10px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 3px 0;
    font-size: 0.75rem;
    cursor: pointer;
    transition: opacity 0.2s;
}

.legend-item.dimmed { opacity: 0.2; }

.legend-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.legend-count {
    margin-left: auto;
    color: rgba(255,255,255,0.25);
    font-size: 0.65rem;
}

/* ===== Tooltip ===== */
.tooltip {
    position: fixed;
    z-index: 100;
    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 0.75rem;
    pointer-events: none;
    display: none;
    white-space: nowrap;
}

.tooltip .tt-name { font-weight: 700; }
.tooltip .tt-sub { color: rgba(255,255,255,0.45); font-size: 0.65rem; margin-top: 2px; }

/* ===== Node Info ===== */
.node-info {
    position: fixed;
    bottom: 32px; left: 48px;
    z-index: 20;
    width: 280px;
    max-height: 50vh;
    overflow-y: auto;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 10px;
    padding: 20px;
    pointer-events: auto;
}

.node-info.hidden { display: none; }

.info-close {
    position: absolute;
    top: 12px; right: 14px;
    background: none; border: none;
    color: rgba(255,255,255,0.4);
    font-size: 1.2rem;
    cursor: pointer;
}

.node-info h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 6px;
    padding-right: 24px;
}

.info-badge {
    display: inline-block;
    font-size: 0.65rem;
    padding: 2px 8px;
    border-radius: 4px;
    margin-bottom: 8px;
}

.info-stat {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.5);
    margin-bottom: 10px;
}

.info-section-title {
    font-size: 0.65rem;
    color: rgba(255,255,255,0.3);
    letter-spacing: 0.05em;
    margin-bottom: 6px;
}

.partner-list {
    list-style: none;
    font-size: 0.72rem;
    max-height: 200px;
    overflow-y: auto;
}

.partner-list li {
    padding: 3px 0;
    border-bottom: 1px solid rgba(255,255,255,0.03);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
}

.partner-list li:hover { color: #7ED321; }
.partner-list .p-year { color: rgba(255,255,255,0.25); font-size: 0.65rem; }

/* ===== MapLibre ===== */
.maplibregl-ctrl-attrib,
.maplibregl-ctrl-logo { display: none !important; }
.maplibregl-ctrl-group { background: rgba(0,0,0,0.5) !important; border: 1px solid rgba(255,255,255,0.08) !important; }
.maplibregl-ctrl-group button { color: #fff !important; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .hero-title { font-size: 2.4rem; }
    .hero-subtitle-large { font-size: 1.2rem; }
    .narrative-heading { font-size: 1.5rem; }
    .narrative-inner { padding: 60px 28px; }
    .hero-inner { padding: 0 28px; }
    .map-section .section-content { margin-left: 24px; max-width: 300px; }
    .photo-gallery { grid-template-columns: 1fr; }
    .gallery-photo { height: 180px; }
    .fixed-top-right { top: 16px; right: 16px; }
    .year-indicator { font-size: 3rem; }
}