/* ═══════════════════════════════════════════════════════════════════════════
   FORGE DEEP DIVE — Design System
   Character Generation · 34,689 LOC · 111 Files
   All counts verified with wc -l
═══════════════════════════════════════════════════════════════════════════ */

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

:root {
    --forge: #FB923C;
    --forge-glow: rgba(251, 146, 60, 0.4);
    --forge-subtle: rgba(251, 146, 60, 0.08);
    --bg: #0A0806;
    --surface: #12100E;
    --border: rgba(248, 244, 239, 0.08);
    --text: #F8F4EF;
    --text-muted: #9A8E7E;
    --text-dim: #6B6056;
    --blue: #60A5FA;
    --green: #34D399;
    --pink: #F472B6;
    --purple: #A78BFA;
    --yellow: #FBBF24;
    --red: #EF4444;
    --font-serif: 'EB Garamond', Georgia, serif;
    --font-sans: 'IBM Plex Sans', -apple-system, sans-serif;
    --font-mono: 'IBM Plex Mono', 'SF Mono', monospace;
}

html { scroll-behavior: smooth; }
body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--forge);
    color: var(--bg);
    padding: 8px 16px;
    z-index: 100;
    transition: top 0.3s;
}
.skip-link:focus { top: 0; }

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    padding: 16px 32px;
    background: rgba(10, 8, 6, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}
.nav-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.nav-logo {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--text);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}
.nav-links { display: flex; gap: 32px; }
.nav-link {
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}
.nav-link:hover { color: var(--forge); }

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 120px 32px 80px;
}
.hero-icon { font-size: 80px; margin-bottom: 24px; }
.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(64px, 12vw, 120px);
    font-weight: 400;
    color: var(--forge);
    letter-spacing: -0.02em;
    line-height: 1;
    margin-bottom: 16px;
}
.hero-subtitle {
    font-size: 18px;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 32px;
}
.hero-desc {
    max-width: 700px;
    font-size: 18px;
    line-height: 1.7;
    color: var(--text-muted);
    margin-bottom: 48px;
}
.hero-stats {
    display: flex;
    gap: 64px;
    margin-bottom: 64px;
}
.stat { text-align: center; }
.stat-value {
    font-family: var(--font-mono);
    font-size: 42px;
    font-weight: 600;
    color: var(--forge);
    display: block;
}
.stat-label {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-dim);
}

.section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 32px;
}
.section-header {
    text-align: center;
    margin-bottom: 64px;
}
.section-number {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--forge);
    margin-bottom: 16px;
}
.section-title {
    font-family: var(--font-serif);
    font-size: clamp(36px, 5vw, 52px);
    font-weight: 400;
    color: var(--text);
    margin-bottom: 16px;
}
.section-desc {
    font-size: 18px;
    color: var(--text-muted);
    max-width: 650px;
    margin: 0 auto;
}

.architecture {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 48px;
    margin-bottom: 48px;
}
.architecture-title {
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 600;
    color: var(--forge);
    text-align: center;
    margin-bottom: 32px;
}
.architecture-svg {
    width: 100%;
    height: auto;
    display: block;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}
.module-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 3px solid var(--card-color, var(--forge));
    border-radius: 8px;
    padding: 28px;
    transition: transform 0.2s, box-shadow 0.2s;
}
.module-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}
.card-icon { font-size: 28px; margin-bottom: 16px; }
.card-name {
    font-family: var(--font-sans);
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
}
.card-path {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-dim);
    margin-bottom: 12px;
}
.card-desc {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-muted);
    margin-bottom: 16px;
    border-left: 2px solid var(--border);
    padding-left: 12px;
}
.card-stats {
    display: flex;
    gap: 24px;
    margin-bottom: 12px;
}
.card-stat-value {
    font-family: var(--font-mono);
    font-size: 20px;
    font-weight: 600;
    color: var(--card-color, var(--forge));
}
.card-stat-label {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-dim);
}
.module-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.tag {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 4px 8px;
    border-radius: 4px;
    background: var(--forge-subtle);
    color: var(--forge);
}

.code-block {
    background: #0D0B09;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 24px;
    overflow-x: auto;
    margin-bottom: 32px;
}
.code-block pre {
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.7;
    color: var(--text-muted);
    margin: 0;
}
.code-block .keyword { color: var(--pink); }
.code-block .class { color: var(--yellow); }
.code-block .function { color: var(--blue); }
.code-block .string { color: var(--green); }
.code-block .comment { color: var(--text-dim); font-style: italic; }
.code-block .number { color: var(--purple); }

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    margin-bottom: 32px;
}
.data-table th {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-dim);
    text-align: left;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}
.data-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    color: var(--text-muted);
}
.data-table code {
    font-family: var(--font-mono);
    font-size: 12px;
    background: rgba(251, 146, 60, 0.1);
    color: var(--forge);
    padding: 2px 6px;
    border-radius: 4px;
}

.category-header {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--forge);
    margin: 48px 0 24px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.pipeline-stages {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-bottom: 48px;
}
.pipeline-stage { display: flex; align-items: center; gap: 8px; }
.stage-box {
    font-family: var(--font-mono);
    font-size: 13px;
    padding: 12px 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
}
.stage-arrow { color: var(--forge); font-size: 18px; }

.verified {
    background: rgba(52, 211, 153, 0.1);
    border: 1px solid var(--green);
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 32px;
}
.verified-header {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    color: var(--green);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.verified pre {
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.6;
    color: var(--text-muted);
    margin: 0;
    white-space: pre-wrap;
}

.footer {
    text-align: center;
    padding: 80px 32px;
    border-top: 1px solid var(--border);
}
.footer-icon { font-size: 48px; margin-bottom: 16px; }
.footer-tagline {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--forge);
    margin-bottom: 8px;
}
.footer-desc {
    font-size: 14px;
    color: var(--text-dim);
}
.footer a { color: var(--forge); text-decoration: none; }

@media (max-width: 768px) {
    .nav { padding: 12px 16px; }
    .nav-links { display: none; }
    .section { padding: 60px 16px; }
    .hero-stats { flex-direction: column; gap: 32px; }
    .architecture { padding: 24px 16px; }
    .cards-grid { grid-template-columns: 1fr; }
}