/* LxM Landing — Dark Arena theme
   Inspired by AI Ludens & Model Medicine */

@import url('https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&family=Inter:wght@400;500;600&display=swap');

:root {
    --font-display: 'Space Mono', monospace;
    --font-body: 'Inter', -apple-system, sans-serif;

    --bg-deep: #0a0e17;
    --bg-surface: #111827;
    --bg-elevated: #1a2236;
    --bg-card: #16213e;

    --text-primary: #e8e4df;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;

    --accent-gold: #f59e0b;
    --accent-gold-glow: rgba(245, 158, 11, 0.12);
    --accent-blue: #3b82f6;
    --accent-green: #4ade80;
    --accent-red: #f87171;

    --border: rgba(255, 255, 255, 0.08);

    --max-width: 1080px;
}

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

body {
    font-family: var(--font-body);
    background: var(--bg-deep);
    color: var(--text-primary);
    line-height: 1.6;
}

/* ─── Nav ─── */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 14, 23, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    color: var(--accent-gold);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 28px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--text-primary);
}

.lang-toggle {
    display: flex;
    gap: 2px;
    margin-left: 8px;
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: hidden;
}

.lang-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    padding: 4px 10px;
    font-size: 12px;
    font-family: var(--font-display);
    cursor: pointer;
    transition: all 0.2s;
}

.lang-btn.active {
    background: var(--accent-gold);
    color: #000;
}

.lang-btn:hover:not(.active) {
    color: var(--text-primary);
}

/* ─── Hero ─── */

.hero {
    position: relative;
    overflow: hidden;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 24px 80px;
    /* world art behind a heavy fade — MUD observatory (starry, on-palette) */
    background:
        linear-gradient(rgba(10, 11, 18, 0.80), rgba(10, 11, 18, 0.92) 60%, #0a0b12 96%),
        url('./viewer/assets/mud/astronomer_tower/observatory.webp') center 30% / cover no-repeat;
}

#hero-stars { position: absolute; inset: 0; pointer-events: none; }
.hero-content { position: relative; z-index: 1; }
.hero-content-anim {
    max-width: 720px;
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-family: var(--font-display);
    font-size: 18px;
    color: var(--accent-gold);
    margin-bottom: 24px;
    letter-spacing: 1px;
}

.hero-desc {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 36px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.btn-primary {
    background: var(--accent-gold);
    color: #000;
    padding: 12px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px var(--accent-gold-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    padding: 12px 28px;
    border-radius: 8px;
    border: 1px solid var(--border);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: border-color 0.2s;
}

.btn-secondary:hover {
    border-color: var(--text-secondary);
}

/* ─── Stats Bar ─── */

.stats-bar {
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: var(--bg-surface);
}

.stats-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 32px 24px;
    display: flex;
    justify-content: space-around;
}

.stat {
    text-align: center;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 700;
    color: var(--accent-gold);
    display: block;
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ─── Sections ─── */

.section {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 80px 24px;
}

.section-alt {
    max-width: 100%;
    background: var(--bg-surface);
}

.section-alt > * {
    max-width: var(--max-width);
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: 8px;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: 40px;
}

/* ─── Games Grid ─── */

.games-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.game-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    transition: border-color 0.2s, transform 0.2s;
}

.game-card:hover {
    border-color: var(--accent-gold);
    transform: translateY(-2px);
}

/* Art-backed card (MUD worlds) — room art behind a dark gradient, mirroring
   the MUD viewer's own overlay so text stays legible. */
.game-card-art {
    background-size: cover;
    background-position: center;
    background-image: linear-gradient(rgba(10, 11, 20, 0.78), rgba(10, 11, 20, 0.9)),
                      var(--card-art);
}

/* ── The Worlds gallery + Conquest Board ─────────────────────────────── */
.worlds-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 40px;
}
.world-card {
    position: relative;
    min-height: 230px;
    border-radius: 12px;
    border: 1px solid var(--border);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 20px;
    background-size: cover;
    background-position: center;
    background-image: linear-gradient(rgba(8, 9, 16, 0.15) 30%, rgba(8, 9, 16, 0.88) 78%),
                      var(--card-art);
    transition: border-color 0.2s, transform 0.2s;
    text-decoration: none;
    color: inherit;
}
.world-card { transition: transform .35s cubic-bezier(.22,1,.36,1), border-color .3s, box-shadow .35s; }
.world-card:hover { border-color: var(--accent-gold); transform: translateY(-5px) scale(1.015);
    box-shadow: 0 14px 34px rgba(0,0,0,.5), 0 0 22px rgba(216,198,144,.12); }
.world-card h3 {
    font-family: var(--font-display);
    font-size: 17px;
    margin-bottom: 4px;
}
.world-meta { font-size: 12px; color: var(--text-secondary); margin-bottom: 10px; }
.world-badges { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.world-chip {
    font-size: 11px; letter-spacing: 0.5px; text-transform: uppercase;
    padding: 3px 9px; border-radius: 10px;
    background: rgba(136, 146, 176, 0.18); color: var(--text-secondary);
}
.world-status { font-size: 11px; letter-spacing: 0.5px; text-transform: uppercase;
    padding: 3px 9px; border-radius: 10px; font-weight: 600; }
.world-status.solved { background: var(--accent-gold-glow); color: var(--accent-gold); }
.world-status.unconquered { background: rgba(239, 68, 68, 0.16); color: #f87171; }
.conquest-cta { margin-top: 18px; font-size: 14px; color: var(--text-secondary); text-align: center; }
.conquest-cta a { color: var(--accent-cyan); text-decoration: none; }
.conquest-cta a:hover { text-decoration: underline; }
@media (max-width: 720px) { .worlds-grid { grid-template-columns: 1fr; } }

.game-icon {
    font-size: 28px;
    margin-bottom: 12px;
}

.game-card h3 {
    font-family: var(--font-display);
    font-size: 16px;
    margin-bottom: 6px;
}

.game-card p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.game-insight {
    font-size: 12px;
    color: var(--accent-gold);
    padding: 4px 10px;
    background: var(--accent-gold-glow);
    border-radius: 4px;
    display: inline-block;
}

.game-watch {
    display: block;
    margin-top: 10px;
    font-size: 12px;
    color: var(--accent-cyan);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.game-watch:hover {
    opacity: 1;
    text-decoration: underline;
}

/* ─── Results Table ─── */

.results-table-wrap {
    overflow-x: auto;
    margin-bottom: 32px;
}

.results-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.results-table th {
    font-family: var(--font-display);
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}

.results-table td {
    text-align: center;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
}

.model-name {
    font-weight: 600;
    text-align: left !important;
    white-space: nowrap;
}

.cell-win {
    color: var(--accent-green);
    font-weight: 600;
}

.cell-lose {
    color: var(--accent-red);
}

.cell-draw {
    color: var(--text-muted);
}

.cell-na {
    color: var(--text-muted);
    font-size: 12px;
}

/* ─── Findings ─── */

.finding-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.finding {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
}

.finding-label {
    font-family: var(--font-display);
    font-size: 11px;
    color: var(--accent-gold);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.finding p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ─── Platform ─── */

.platform-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 48px;
}

.platform-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 24px;
}

.platform-card h3 {
    font-family: var(--font-display);
    font-size: 15px;
    margin-bottom: 8px;
    color: var(--accent-gold);
}

.platform-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ─── Quickstart ─── */

.quickstart {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px;
}

.quickstart h3 {
    font-family: var(--font-display);
    font-size: 15px;
    margin-bottom: 16px;
}

.quickstart pre {
    background: var(--bg-deep);
    border-radius: 8px;
    padding: 20px;
    overflow-x: auto;
}

.quickstart code {
    font-family: 'JetBrains Mono', 'Space Mono', monospace;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ─── Footer ─── */

.footer {
    border-top: 1px solid var(--border);
    padding: 48px 24px;
    text-align: center;
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    color: var(--accent-gold);
    margin-bottom: 8px;
}

.footer-tagline {
    font-style: italic;
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 16px;
}

.footer-credit {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.footer-credit a {
    color: var(--text-secondary);
    text-decoration: none;
}

.footer-credit a:hover {
    color: var(--text-primary);
}

.footer-copy {
    font-size: 12px;
    color: var(--text-muted);
}

/* ─── Responsive ─── */

@media (max-width: 768px) {
    .games-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .platform-grid {
        grid-template-columns: 1fr;
    }
    .finding-cards {
        grid-template-columns: 1fr;
    }
    .stats-inner {
        flex-wrap: wrap;
        gap: 24px;
    }
    .nav-links {
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .games-grid {
        grid-template-columns: 1fr;
    }
    .hero {
        padding: 100px 20px 60px;
    }
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
}


/* Viewer 2.0 P5 — motion polish */
#conquest-table tbody tr { transition: background .25s; }
#conquest-table tbody tr:hover { background: rgba(216,198,144,.05); }
.game-card { transition: transform .3s cubic-bezier(.22,1,.36,1), box-shadow .3s, border-color .3s; }
.game-card:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(0,0,0,.45); }
.section { animation: sectionIn .7s ease-out both; }
@keyframes sectionIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  .section { animation: none; }
  .world-card, .game-card, #conquest-table tbody tr { transition: none; }
}

/* ── Conquest carousel (lineage slides, 2026-07-21) ─────────────────────── */
.conquest-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 4px 0 10px;
}
.conquest-caption {
    font-size: 13px;
    letter-spacing: 0.04em;
    color: var(--accent-gold);
}
.conquest-ctrls { display: flex; align-items: center; gap: 8px; }
.conquest-arrow {
    background: var(--bg-elevated);
    color: inherit;
    border: 1px solid rgba(245, 158, 11, 0.25);
    border-radius: 6px;
    width: 26px; height: 26px;
    line-height: 1;
    font-size: 15px;
    cursor: pointer;
}
.conquest-arrow:hover { border-color: var(--accent-gold); }
.conquest-dot {
    width: 9px; height: 9px;
    border-radius: 50%;
    border: 1px solid rgba(245, 158, 11, 0.5);
    background: transparent;
    padding: 0;
    cursor: pointer;
}
.conquest-dot.active { background: var(--accent-gold); }
.conquest-carousel { overflow: hidden; }
.conquest-track {
    display: flex;
    transition: transform 0.55s ease;
}
.conquest-slide { min-width: 100%; }
.conquest-slide .results-table-wrap { margin: 0; }
@media (prefers-reduced-motion: reduce) {
    .conquest-track { transition: none; }
}