:root {
    --bg: #0a0a0a;
    --bg-card: #111111;
    --bg-code: #1a1a2e;
    --bg-nav: rgba(10,10,10,0.85);
    --text: #e4e4e7;
    --text-dim: #a1a1aa;
    --accent: #22d3ee;
    --accent2: #a78bfa;
    --accent3: #34d399;
    --border: #27272a;
    --shadow-strong: 0 20px 60px rgba(0,0,0,0.5);
    --shadow-soft: 0 8px 30px rgba(34,211,238,0.3);
    --check: #34d399;
    --cross: #f87171;
    --gradient: linear-gradient(135deg, #22d3ee 0%, #a78bfa 50%, #f472b6 100%);
}

[data-theme="light"] {
    --bg: #ffffff;
    --bg-card: #f9fafb;
    --bg-code: #f3f4f6;
    --bg-nav: rgba(255,255,255,0.85);
    --text: #18181b;
    --text-dim: #52525b;
    --accent: #0891b2;
    --accent2: #7c3aed;
    --accent3: #059669;
    --border: #e4e4e7;
    --shadow-strong: 0 20px 60px rgba(0,0,0,0.08);
    --shadow-soft: 0 8px 30px rgba(8,145,178,0.18);
    --check: #059669;
    --cross: #dc2626;
    --gradient: linear-gradient(135deg, #0891b2 0%, #7c3aed 50%, #db2777 100%);
}

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

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background 0.25s ease, color 0.25s ease;
}

/* ── Nav ─────────────────────────────────── */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    background: var(--bg-nav);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 0 2rem;
    transition: background 0.25s ease, border-color 0.25s ease;
}
nav .nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.theme-toggle {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text);
    width: 38px;
    height: 38px;
    border-radius: 50%;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: border-color 0.2s, transform 0.2s, background 0.25s, color 0.25s;
}
.theme-toggle:hover {
    border-color: var(--accent);
    transform: rotate(15deg);
}
.theme-toggle .icon-sun { display: none; }
[data-theme="light"] .theme-toggle .icon-sun { display: inline; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }
nav .inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
nav .logo {
    font-weight: 800;
    font-size: 1.2rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
nav .links { display: flex; gap: 1.6rem; }
nav .links a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}
nav .links a:hover { color: var(--accent); }
nav .cta-btn {
    background: var(--accent);
    color: #000;
    padding: 0.5rem 1.2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.85rem;
    text-decoration: none;
    transition: opacity 0.2s;
}
nav .cta-btn:hover { opacity: 0.85; }

/* ── Hero ────────────────────────────────── */
.hero {
    padding: 10rem 2rem 6rem;
    text-align: center;
    position: relative;
}
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 600px;
    background: radial-gradient(ellipse, rgba(34,211,238,0.08) 0%, transparent 70%);
    pointer-events: none;
}
.hero .badge {
    display: inline-block;
    background: rgba(34,211,238,0.1);
    border: 1px solid rgba(34,211,238,0.3);
    color: var(--accent);
    padding: 0.4rem 1rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}
.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}
.hero h1 .gradient {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero p {
    font-size: 1.2rem;
    color: var(--text-dim);
    max-width: 600px;
    margin: 0 auto 2.5rem;
}
.hero .actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}
.btn-primary {
    background: var(--accent);
    color: #000;
    padding: 0.8rem 2rem;
    border-radius: 10px;
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-soft);
}
.btn-secondary {
    background: var(--bg-card);
    color: var(--text);
    padding: 0.8rem 2rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    border: 1px solid var(--border);
    transition: border-color 0.2s;
}
.btn-secondary:hover { border-color: var(--accent); }

/* ── Install bar ─────────────────────────── */
.install-bar {
    max-width: 600px;
    margin: 2.5rem auto 0;
    background: var(--bg-code);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}
.install-bar code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--accent3);
}
.install-bar button {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.2s;
}
.install-bar button:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ── Demo ────────────────────────────────── */
.demo {
    max-width: 900px;
    margin: 4rem auto;
    padding: 0 2rem;
}
.demo img, .demo video {
    width: 100%;
    border-radius: 16px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-strong);
}

/* ── Section ─────────────────────────────── */
section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 6rem 2rem;
}
section h2 {
    font-size: 2.2rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 1rem;
}
section .subtitle {
    text-align: center;
    color: var(--text-dim);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 3rem;
}

/* ── Feature grid ────────────────────────── */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}
.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    transition: border-color 0.3s, transform 0.3s;
}
.feature-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
}
.feature-card .icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}
.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}
.feature-card p {
    color: var(--text-dim);
    font-size: 0.9rem;
}

/* ── Providers ───────────────────────────── */
.providers {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}
.provider-chip {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0.5rem 1.2rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-dim);
    transition: border-color 0.2s;
}
.provider-chip:hover { border-color: var(--accent2); color: var(--text); }

/* ── Code example ────────────────────────── */
.code-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}
.code-block {
    background: var(--bg-code);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    overflow-x: auto;
}
.code-block .label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.8rem;
}
.code-block pre {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    line-height: 1.7;
    color: var(--text);
}
.code-block .comment { color: #6b7280; }
.code-block .cmd { color: var(--accent3); }
.code-block .output { color: var(--text-dim); }
.code-block .highlight { color: var(--accent); }

.code-desc {
    padding-top: 1rem;
}
.code-desc h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1rem;
}
.code-desc p {
    color: var(--text-dim);
    margin-bottom: 1rem;
}
.code-desc ul {
    list-style: none;
    padding: 0;
}
.code-desc ul li {
    padding: 0.5rem 0;
    color: var(--text-dim);
    font-size: 0.9rem;
}
.code-desc ul li::before {
    content: '>';
    color: var(--accent);
    font-weight: 700;
    margin-right: 0.5rem;
}

/* ── Stats ───────────────────────────────── */
.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
    padding: 4rem 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.stat-num {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.stat-label {
    font-size: 0.9rem;
    color: var(--text-dim);
    margin-top: 0.3rem;
}

/* ── CTA ─────────────────────────────────── */
.cta-section {
    text-align: center;
    padding: 8rem 2rem;
    position: relative;
}
.cta-section::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(167,139,250,0.08) 0%, transparent 70%);
    pointer-events: none;
}
.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}
.cta-section p {
    color: var(--text-dim);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

/* ── Footer ──────────────────────────────── */
footer {
    border-top: 1px solid var(--border);
    padding: 3rem 2rem;
    text-align: center;
    color: var(--text-dim);
    font-size: 0.85rem;
}
footer a { color: var(--accent); text-decoration: none; }
footer a:hover { text-decoration: underline; }

/* ── Lightbox overlay ─────────────────────── */
.lightbox {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.9);
    z-index: 999;
    cursor: zoom-out;
    justify-content: center;
    align-items: center;
}
.lightbox.active { display: flex; }
.lightbox img {
    max-width: 92%;
    max-height: 92%;
    border-radius: 12px;
    box-shadow: 0 0 60px rgba(34,211,238,0.2);
}
.lightbox .close-btn {
    position: absolute;
    top: 1.5rem; right: 2rem;
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s;
}
.lightbox .close-btn:hover { opacity: 1; }

/* Demo images zoomable */
.feature-card img, .demo img {
    cursor: zoom-in;
    transition: transform 0.2s, box-shadow 0.2s;
}
.feature-card img:hover, .demo img:hover {
    transform: scale(1.03);
    box-shadow: 0 8px 30px rgba(34,211,238,0.15);
}

/* ── Comparison ──────────────────────────── */
.compare-wrap {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--bg-card);
}
table.compare {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
    min-width: 720px;
}
table.compare th,
table.compare td {
    padding: 1rem 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}
table.compare thead th {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    background: var(--bg-code);
}
table.compare thead th.highlight-col {
    color: var(--accent);
}
table.compare tbody th {
    font-weight: 600;
    color: var(--text);
    width: 22%;
}
table.compare td {
    color: var(--text-dim);
}
table.compare td.highlight-col {
    color: var(--text);
    background: rgba(34,211,238,0.04);
}
[data-theme="light"] table.compare td.highlight-col {
    background: rgba(8,145,178,0.06);
}
table.compare tr:last-child th,
table.compare tr:last-child td { border-bottom: none; }
.check { color: var(--check); font-weight: 700; }
.cross { color: var(--cross); font-weight: 700; }

.compare-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2.5rem;
}
.compare-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.75rem;
}
.compare-card.featured {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent);
}
.compare-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
}
.compare-card .tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    margin-bottom: 0.8rem;
}
.compare-card p {
    color: var(--text-dim);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}
.compare-card ul { list-style: none; padding: 0; }
.compare-card ul li {
    padding: 0.35rem 0;
    font-size: 0.85rem;
    color: var(--text-dim);
}
.compare-card ul li::before {
    content: '✓';
    color: var(--check);
    font-weight: 700;
    margin-right: 0.5rem;
}
.compare-card ul li.no::before {
    content: '✗';
    color: var(--cross);
}

/* ── Skip-link (a11y) ────────────────────── */
.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--accent);
    color: #000;
    padding: 0.5rem 1rem;
    border-radius: 0 0 6px 0;
    font-weight: 700;
    z-index: 200;
}
.skip-link:focus { left: 0; }

/* ── Version chip ────────────────────────── */
.version-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0.7rem;
    background: rgba(52,211,153,0.12);
    border: 1px solid rgba(52,211,153,0.4);
    color: var(--accent3);
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
    margin-left: 0.5rem;
}
.version-chip .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent3);
    box-shadow: 0 0 8px var(--accent3);
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* ── Badge row (hero) ────────────────────── */
.hero-badges {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1.25rem 0 0.5rem;
}
.hero-badges img { height: 22px; }

/* ── "What's New" banner ─────────────────── */
.whats-new {
    max-width: 1100px;
    margin: 2rem auto 0;
    padding: 1.1rem 1.5rem;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(34,211,238,0.10), rgba(167,139,250,0.10));
    border: 1px solid var(--border);
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}
[data-theme="light"] .whats-new {
    background: linear-gradient(135deg, rgba(8,145,178,0.07), rgba(124,58,237,0.07));
}
.whats-new .tag {
    background: var(--gradient);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    padding: 0.3rem 0.6rem;
    border-radius: 6px;
    white-space: nowrap;
}
.whats-new .text { flex: 1; min-width: 260px; color: var(--text); font-size: 0.92rem; }
.whats-new a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    white-space: nowrap;
}
.whats-new a:hover { text-decoration: underline; }

/* ── Install tabs ────────────────────────── */
.install-tabs {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    margin-top: 1rem;
    flex-wrap: wrap;
}
.install-tab {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 0.4rem 0.9rem;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.18s;
}
.install-tab:hover { color: var(--text); border-color: var(--accent); }
.install-tab.active {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
}

/* ── Mobile menu ─────────────────────────── */
.menu-toggle {
    display: none;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text);
    width: 38px;
    height: 38px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.1rem;
    align-items: center;
    justify-content: center;
}
.menu-toggle:hover { border-color: var(--accent); }

/* ── Language switcher ───────────────────── */
.lang-switcher {
    display: inline-flex;
    gap: 0.4rem;
    font-size: 0.78rem;
    color: var(--text-dim);
    font-family: 'JetBrains Mono', monospace;
}
.lang-switcher a {
    color: var(--text-dim);
    text-decoration: none;
    transition: color 0.18s;
}
.lang-switcher a:hover { color: var(--accent); }

/* ── Demo category tabs ──────────────────── */
.demo-tabs {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin: 1.5rem 0 2.5rem;
}
.demo-tab {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 0.55rem 1.1rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.18s;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}
.demo-tab:hover { color: var(--text); border-color: var(--accent); }
.demo-tab.active {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
}
.demo-tab .count {
    background: rgba(0,0,0,0.18);
    border-radius: 999px;
    padding: 0.05rem 0.5rem;
    font-size: 0.7rem;
    font-weight: 700;
}
.demo-tab:not(.active) .count {
    background: var(--bg-code);
    color: var(--text-dim);
}
.demo-card { transition: opacity 0.25s, transform 0.25s; }
.demo-card.hidden { display: none; }

/* ── Persona cards ───────────────────────── */
.personas-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    margin-top: 2rem;
}
@media (max-width: 1024px) { .personas-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px)  { .personas-grid { grid-template-columns: 1fr; } }
.persona-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.5rem;
    transition: transform 0.2s, border-color 0.2s;
}
.persona-card:hover {
    transform: translateY(-3px);
    border-color: var(--accent);
}
.persona-card .role {
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.4rem;
}
.persona-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
}
.persona-card p {
    color: var(--text-dim);
    font-size: 0.9rem;
    margin-bottom: 0.9rem;
    line-height: 1.55;
}
.persona-card .stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}
.persona-card .stack span {
    font-size: 0.72rem;
    font-family: 'JetBrains Mono', monospace;
    background: var(--bg-code);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 0.18rem 0.5rem;
    border-radius: 4px;
}

/* ── FAQ accordion ───────────────────────── */
.faq {
    max-width: 900px;
    margin: 2rem auto 0;
}
.faq details {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    margin-bottom: 0.75rem;
    padding: 0;
    transition: border-color 0.2s;
}
.faq details[open] { border-color: var(--accent); }
.faq summary {
    padding: 1.1rem 1.4rem;
    font-weight: 600;
    cursor: pointer;
    color: var(--text);
    font-size: 1rem;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
    content: '+';
    color: var(--accent);
    font-size: 1.4rem;
    font-weight: 400;
    transition: transform 0.2s;
    flex-shrink: 0;
}
.faq details[open] summary::after { content: '−'; }
.faq .answer {
    padding: 0 1.4rem 1.2rem;
    color: var(--text-dim);
    font-size: 0.95rem;
    line-height: 1.65;
}
.faq .answer code {
    background: var(--bg-code);
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    font-size: 0.85rem;
    color: var(--accent);
}

/* ── Scroll-spy active nav ───────────────── */
nav .links a.active { color: var(--accent); }

/* ── Reduced motion ──────────────────────── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ── Citation block ──────────────────────── */
.citation { max-width: 900px; margin: 0 auto; }
.citation pre {
    background: var(--bg-code);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    overflow-x: auto;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text);
    position: relative;
}
.citation-copy {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 0.3rem 0.7rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-family: inherit;
    cursor: pointer;
}
.citation-copy:hover { color: var(--accent); border-color: var(--accent); }

/* ── Doc page (sub-pages) ────────────────── */
.doc-hero {
    padding: 8rem 2rem 3rem;
    text-align: center;
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}
.doc-hero .eyebrow {
    display: inline-block;
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.8rem;
}
.doc-hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1rem;
}
.doc-hero h1 .gradient {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.doc-hero p.lede {
    font-size: 1.15rem;
    color: var(--text-dim);
    max-width: 700px;
    margin: 0 auto 1.5rem;
}
.doc-content {
    max-width: 860px;
    margin: 0 auto;
    padding: 2rem 2rem 4rem;
}
.doc-content h2 {
    font-size: 1.7rem;
    font-weight: 800;
    margin: 3rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
    text-align: left;
}
.doc-content h2:first-child { margin-top: 0; }
.doc-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 1.8rem 0 0.6rem;
}
.doc-content p {
    color: var(--text-dim);
    margin-bottom: 1rem;
    line-height: 1.7;
}
.doc-content ul, .doc-content ol {
    color: var(--text-dim);
    margin: 0.5rem 0 1rem 1.4rem;
    line-height: 1.7;
}
.doc-content li { margin-bottom: 0.3rem; }
.doc-content code {
    background: var(--bg-code);
    color: var(--accent);
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.88em;
}
.doc-content pre {
    background: var(--bg-code);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.2rem 1.4rem;
    overflow-x: auto;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    margin: 1rem 0 1.5rem;
}
.doc-content pre code {
    background: transparent;
    color: var(--text);
    padding: 0;
}
.doc-content a {
    color: var(--accent);
    text-decoration: none;
}
.doc-content a:hover { text-decoration: underline; }
.doc-content blockquote {
    border-left: 3px solid var(--accent);
    padding: 0.6rem 1rem;
    margin: 1rem 0;
    background: var(--bg-card);
    border-radius: 0 8px 8px 0;
    color: var(--text-dim);
    font-style: italic;
}
.doc-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0 1.5rem;
    font-size: 0.92rem;
}
.doc-content table th,
.doc-content table td {
    padding: 0.7rem 1rem;
    border-bottom: 1px solid var(--border);
    text-align: left;
}
.doc-content table th {
    color: var(--accent);
    font-weight: 700;
    background: var(--bg-card);
}

/* TOC sidebar (optional) */
.toc-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.2rem 1.4rem;
    margin: 0 0 2rem;
}
.toc-card h4 {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    margin-bottom: 0.7rem;
}
.toc-card ul { list-style: none; padding: 0; margin: 0; }
.toc-card li { margin-bottom: 0.4rem; }
.toc-card a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.9rem;
}
.toc-card a:hover { color: var(--accent); }

/* ── Asciinema player wrapper ────────────── */
.cast-wrap {
    max-width: 900px;
    margin: 4rem auto;
    padding: 0 2rem;
}
.cast-wrap .player-shell {
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-strong);
    background: #000;
}
.cast-wrap .caption {
    text-align: center;
    color: var(--text-dim);
    font-size: 0.85rem;
    margin-top: 0.8rem;
}
.ap-playback-button { color: var(--accent) !important; }

/* ── Responsive ──────────────────────────── */
@media (max-width: 768px) {
    .code-section { grid-template-columns: 1fr; }
    .stats { grid-template-columns: repeat(2, 1fr); }
    nav .links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg);
        flex-direction: column;
        padding: 1.25rem 2rem;
        gap: 1rem;
        border-bottom: 1px solid var(--border);
    }
    nav .links.open { display: flex; }
    .menu-toggle { display: inline-flex; }
    .install-bar { flex-direction: column; text-align: center; }
    .compare-cards { grid-template-columns: 1fr; }
    .version-chip { display: none; }
}