@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Design Tokens ── */
:root {
    --bg-color: #ffffff;
    --bg-secondary: #f8fafc;
    --text-color: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --sidebar-bg: #ffffff;
    --border-color: #e2e8f0;
    --border-subtle: #f1f5f9;
    --accent-color: #3b82f6;
    --accent-hover: #2563eb;
    --accent-light: #dbeafe;
    --accent-gradient: linear-gradient(135deg, #3b82f6, #06b6d4);
    --card-bg: #ffffff;
    --card-hover-bg: #f8fafc;
    --code-bg: #f1f5f9;
    --code-border: #e2e8f0;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    --glass-bg: rgba(255,255,255,0.7);
    --glass-border: rgba(255,255,255,0.3);
    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

html.dark {
    --bg-color: #0b1120;
    --bg-secondary: #111827;
    --text-color: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --sidebar-bg: #0f172a;
    --border-color: #1e293b;
    --border-subtle: #1e293b;
    --accent-light: #1e3a5f;
    --card-bg: #111827;
    --card-hover-bg: #1e293b;
    --code-bg: #0d1117;
    --code-border: #21262d;
    --glass-bg: rgba(15,23,42,0.7);
    --glass-border: rgba(30,41,59,0.5);
}

/* ── Base ── */
* { box-sizing: border-box; }

/*
 * FOUC Guard — paint html element background immediately when CSS loads.
 * theme-init.js also sets this inline, but this CSS layer covers the
 * gap for system-dark-mode users even before JS executes.
 */
html {
    background-color: #ffffff;
    color-scheme: light dark;
}
html.dark {
    background-color: #0b1120;
}
@media (prefers-color-scheme: dark) {
    html:not(.dark):not([style]) {
        background-color: #0b1120;
    }
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color var(--transition-normal), color var(--transition-normal);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.7;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── Selection ── */
::selection { background: var(--accent-color); color: white; }

/* ── Sidebar ── */
.sidebar-link {
    color: var(--text-secondary);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}
.sidebar-link:hover {
    color: var(--accent-color);
    background: var(--accent-light);
}
.sidebar-link.active {
    color: var(--accent-color);
    font-weight: 600;
    background: var(--accent-light);
    border-left: 3px solid var(--accent-color);
}

/* ── Typography ── */
.prose h1, .prose h2, .prose h3, .prose h4 {
    color: var(--text-color);
    scroll-margin-top: 5rem;
    font-weight: 700;
}
.prose h1 { font-size: 2.25rem; line-height: 1.2; letter-spacing: -0.02em; }
.prose h2 { font-size: 1.5rem; line-height: 1.3; letter-spacing: -0.01em; margin-top: 2.5rem; }
.prose h3 { font-size: 1.25rem; line-height: 1.4; margin-top: 2rem; }
.prose a { color: var(--accent-color); text-decoration: none; transition: color var(--transition-fast); }
.prose a:hover { text-decoration: underline; }
.prose p { margin-bottom: 1.25rem; color: var(--text-secondary); }
.prose img { border-radius: var(--radius-lg); border: 1px solid var(--border-color); margin: 1.5rem 0; max-width: 100%; }
.prose hr { border-color: var(--border-color); margin: 2rem 0; }
.prose ul, .prose ol { color: var(--text-secondary); }
.prose li { margin-bottom: 0.5rem; }
.prose blockquote { border-left: 4px solid var(--accent-color); padding-left: 1rem; color: var(--text-secondary); font-style: italic; }

/* ── Code ── */
pre {
    background-color: var(--code-bg) !important;
    border: 1px solid var(--code-border);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    overflow-x: auto;
    position: relative;
    margin: 1.5rem 0;
}
code {
    font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.8125rem;
    line-height: 1.7;
}
:not(pre) > code {
    background: var(--code-bg);
    border: 1px solid var(--code-border);
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    color: var(--accent-color);
}

/* ── Copy Button ── */
.copy-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    padding: 0.25rem 0.625rem;
    font-size: 0.6875rem;
    font-weight: 500;
    background: rgba(100,116,139,0.8);
    color: #e2e8f0;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    opacity: 0;
    transition: opacity var(--transition-fast), background var(--transition-fast);
    z-index: 10;
    font-family: 'Inter', sans-serif;
}
pre:hover .copy-btn { opacity: 1; }
.copy-btn:hover { background: var(--accent-color); color: white; }

/* ── Cards ── */
.component-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    transition: all var(--transition-normal);
    cursor: pointer;
    text-decoration: none;
    display: block;
}
.component-card:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}
.component-card h3 { color: var(--text-color); margin: 0 0 0.5rem 0; font-size: 1rem; font-weight: 600; }
.component-card p { color: var(--text-secondary); margin: 0; font-size: 0.875rem; line-height: 1.5; }

/* ── Glass Card ── */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
}

/* ── Badge ── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    border-radius: var(--radius-full);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.025em;
}
.badge-blue { background: #dbeafe; color: #1d4ed8; }
html.dark .badge-blue { background: #1e3a5f; color: #93c5fd; }
.badge-green { background: #dcfce7; color: #15803d; }
html.dark .badge-green { background: #14532d; color: #86efac; }
.badge-purple { background: #f3e8ff; color: #7c3aed; }
html.dark .badge-purple { background: #3b0764; color: #c4b5fd; }
.badge-amber { background: #fef3c7; color: #b45309; }
html.dark .badge-amber { background: #451a03; color: #fcd34d; }
.badge-red { background: #fee2e2; color: #dc2626; }
html.dark .badge-red { background: #450a0a; color: #fca5a5; }
.badge-orange { background: #ffedd5; color: #c2410c; }
html.dark .badge-orange { background: #431407; color: #fdba74; }
.badge-gray { background: #f1f5f9; color: #475569; }
html.dark .badge-gray { background: #1e293b; color: #94a3b8; }

/* ── Category Badge ── */
.category-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid var(--border-color);
    background: var(--bg-color);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}
.category-badge:hover, .category-badge.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
}

/* ── API Reference Table ── */
.api-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
    margin: 1.5rem 0;
}
.api-table th {
    text-align: left;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border-bottom: 2px solid var(--border-color);
    font-weight: 600;
    color: var(--text-color);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.api-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    vertical-align: top;
}
.api-table tr:hover td { background: var(--card-hover-bg); }
.api-table code {
    font-size: 0.75rem;
    padding: 0.125rem 0.25rem;
}

/* ── Feature Grid ── */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

/* ── Component Grid ── */
.component-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1rem;
}

/* ── Hero ── */
.hero-gradient {
    background: radial-gradient(ellipse at top, #dbeafe 0%, transparent 70%);
}
html.dark .hero-gradient {
    background: radial-gradient(ellipse at top, #1e293b 0%, transparent 70%);
}

/* ── Cinematic Hero Entrance ── */
@keyframes heroContentEntrance {
    from { opacity: 0; transform: scale(0.96) translateY(20px); filter: blur(6px); }
    to   { opacity: 1; transform: scale(1) translateY(0);       filter: blur(0); }
}
.hero-content {
    animation: heroContentEntrance 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.05s both;
}

/* ── Floating Code Snippets ── */
@keyframes floatUp {
    0%   { transform: translateY(0) rotate(0deg); opacity: 0; }
    10%  { opacity: 1; }
    90%  { opacity: 1; }
    100% { transform: translateY(-100vh) rotate(8deg); opacity: 0; }
}
.hero-float-code {
    position: absolute;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    color: rgba(59,130,246,0.12);
    white-space: nowrap;
    pointer-events: none;
    z-index: 0;
    animation: floatUp var(--float-duration, 18s) linear var(--float-delay, 0s) infinite;
    letter-spacing: 0.02em;
}
html.dark .hero-float-code {
    color: rgba(148,163,184,0.08);
}

/* ── Magnetic Button Hover ── */
.btn-magnetic {
    transition: transform 0.25s cubic-bezier(0.23, 1, 0.32, 1),
                box-shadow 0.35s cubic-bezier(0.23, 1, 0.32, 1);
}
.btn-magnetic:hover {
    transform: translateY(-3px) scale(1.04);
    box-shadow: 0 12px 30px -8px rgba(59,130,246,0.4),
                0 4px 15px -3px rgba(59,130,246,0.2);
}

/* ── Stat Counter ── */
.stat-card {
    text-align: center;
    padding: 1.5rem;
}
.stat-card .stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.stat-card .stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* ── Info Box ── */
.info-box {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    border-left: 4px solid;
    margin: 1.5rem 0;
    font-size: 0.875rem;
    line-height: 1.6;
}
.info-box.tip { background: #f0fdf4; border-color: #22c55e; color: #15803d; }
html.dark .info-box.tip { background: #052e16; border-color: #22c55e; color: #86efac; }
.info-box.warning { background: #fffbeb; border-color: #f59e0b; color: #b45309; }
html.dark .info-box.warning { background: #451a03; border-color: #f59e0b; color: #fcd34d; }
.info-box.info { background: #eff6ff; border-color: #3b82f6; color: #1d4ed8; }
html.dark .info-box.info { background: #172554; border-color: #3b82f6; color: #93c5fd; }

/* ── Showcase Card ── */
.showcase-card {
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    transition: all var(--transition-normal);
}
.showcase-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}
.showcase-card img {
    width: 100%;
    height: 12rem;
    object-fit: cover;
    border-bottom: 1px solid var(--border-color);
}

/* ── Animations ── */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); filter: blur(4px); }
    to   { opacity: 1; transform: translateY(0);    filter: blur(0); }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}
@keyframes slideIn {
    from { opacity: 0; transform: translateX(-12px); }
    to   { opacity: 1; transform: translateX(0); }
}
@keyframes slideInDown {
    from { opacity: 0; transform: translateY(-18px) scale(0.97); filter: blur(3px); }
    to   { opacity: 1; transform: translateY(0) scale(1);         filter: blur(0); }
}
@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.93); filter: blur(4px); }
    to   { opacity: 1; transform: scale(1);    filter: blur(0); }
}
@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(59,130,246,0.4); }
    50%       { box-shadow: 0 0 0 8px rgba(59,130,246,0); }
}
@keyframes shimmer {
    0%   { background-position: -200% 0; }
    100% { background-position:  200% 0; }
}
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-6px); }
}
@keyframes searchResultSlideIn {
    from { opacity: 0; transform: translateY(6px) scale(0.98); }
    to   { opacity: 1; transform: translateY(0)   scale(1); }
}
@keyframes modalSlideIn {
    from { opacity: 0; transform: translateY(-20px) scale(0.95); filter: blur(6px); }
    to   { opacity: 1; transform: translateY(0)     scale(1);    filter: blur(0); }
}
@keyframes overlayFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}
@keyframes hintBounce {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-2px); }
}

.animate-fade-in-up  { animation: fadeInUp    0.55s cubic-bezier(0.22, 1, 0.36, 1) both; }
.animate-fade-in     { animation: fadeIn      0.4s  ease-out                         both; }
.animate-slide-in    { animation: slideIn     0.4s  ease-out                         both; }
.animate-slide-in-down { animation: slideInDown 0.48s cubic-bezier(0.22, 1, 0.36, 1) both; }
.animate-scale-in    { animation: scaleIn     0.4s  cubic-bezier(0.22, 1, 0.36, 1)  both; }
.animate-pulse-glow  { animation: pulse-glow 2s ease-in-out infinite; }
.animate-float       { animation: float      3s ease-in-out infinite; }

/* ── Page Transitions ── */
/*
 * Dark-mode-safe approach:
 * - ::view-transition-old/new use `color-scheme: dark` when the page is dark
 *   so snapshots inherit correct bg — prevents white flash.
 * - Outgoing page: fade out + slight upward drift + soft blur (exit gesture feel)
 * - Incoming page: fade in + gentle rise from below + blur dissolve (spring)
 */
@keyframes pageEnter {
    from { opacity: 0; transform: translateY(22px) scale(0.985); filter: blur(5px); }
    to   { opacity: 1; transform: translateY(0)    scale(1);     filter: blur(0); }
}
@keyframes pageExit {
    from { opacity: 1; transform: translateY(0)     scale(1);     filter: blur(0); }
    to   { opacity: 0; transform: translateY(-14px) scale(1.005); filter: blur(3px); }
}

/* ── Native View Transition API — DISABLED ── */
/*
 * We do NOT use document.startViewTransition() for cross-document navigation.
 * Calling startViewTransition(() => { window.location.href = url }) is a
 * misuse of the API that causes white-flash artefacts in dark mode because
 * the browser can't capture the new page before it loads.
 *
 * Cross-document VT requires @view-transition { navigation: auto } + same-origin
 * and proper browser support. We use CSS-only animation on <main> instead.
 */

/* JS fallback classes — animate only <main>, not the whole document */
body.page-entering main {
    animation: pageEnter 0.42s cubic-bezier(0.22, 1, 0.36, 1) both;
}
body.page-exiting main {
    animation: pageExit 0.22s cubic-bezier(0.4, 0, 1, 1) both;
    pointer-events: none;
}

/* Respect accessibility preference */
@media (prefers-reduced-motion: reduce) {
    body.page-entering main { animation-duration: 60ms; }
    body.page-exiting  main { animation-duration: 60ms; }
}

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }

/* ── Search Modal ── */
.search-modal-overlay {
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    animation: overlayFadeIn 0.2s ease-out;
}
.search-modal-content {
    animation: modalSlideIn 0.35s cubic-bezier(0.23, 1, 0.32, 1);
    border: 1px solid var(--border-color);
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25);
}

/* Search empty state */
.search-empty-state {
    padding: 2.5rem 2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Search hints */
.search-hints {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-top: 1rem;
}
.search-hint {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
    font-family: 'JetBrains Mono', monospace;
    background: var(--code-bg);
    border: 1px solid var(--border-color);
    color: var(--accent-color);
    cursor: pointer;
    transition: all var(--transition-fast);
}
.search-hint:hover {
    background: var(--accent-light);
    border-color: var(--accent-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* Search highlight */
.search-highlight {
    background: rgba(59,130,246,0.2);
    color: var(--accent-color);
    border-radius: 2px;
    padding: 0 2px;
}
html.dark .search-highlight {
    background: rgba(59,130,246,0.3);
    color: #93c5fd;
}

/* Search group */
.search-group {
    padding: 0.25rem 0;
    animation: searchResultSlideIn 0.3s cubic-bezier(0.23, 1, 0.32, 1) both;
}
.search-group-label {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    padding: 0.5rem 1rem 0.25rem;
}

/* Search result item */
.search-result-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    text-decoration: none;
    color: inherit;
    transition: all 0.2s cubic-bezier(0.23, 1, 0.32, 1);
    animation: searchResultSlideIn 0.3s cubic-bezier(0.23, 1, 0.32, 1) both;
    position: relative;
    overflow: hidden;
}
.search-result-item::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-md);
    background: transparent;
    transition: background 0.2s;
}
.search-result-item:hover {
    transform: translateX(4px);
}
.search-result-item:hover::before {
    background: var(--card-hover-bg);
}

/* Result badge */
.search-result-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.1875rem 0.5rem;
    border-radius: var(--radius-full);
    font-size: 0.625rem;
    font-weight: 600;
    white-space: nowrap;
    flex-shrink: 0;
    margin-top: 0.125rem;
    letter-spacing: 0.02em;
}

/* Result body */
.search-result-body {
    min-width: 0;
    flex: 1;
    position: relative;
    z-index: 1;
}
.search-result-name {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-color);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.3;
}
.search-result-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.4;
    margin-top: 0.125rem;
}

/* Match context */
.search-match-context {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.6875rem;
    color: var(--accent-color);
    margin-top: 0.25rem;
    font-family: 'JetBrains Mono', monospace;
}
.search-match-label {
    font-size: 0.625rem;
    opacity: 0.7;
}

/* Function pills */
.search-fn-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    margin-top: 0.375rem;
}
.search-fn-pill {
    display: inline-flex;
    align-items: center;
    padding: 0.0625rem 0.375rem;
    border-radius: var(--radius-sm);
    font-size: 0.625rem;
    font-family: 'JetBrains Mono', monospace;
    background: var(--code-bg);
    color: var(--text-muted);
    border: 1px solid var(--border-subtle);
    transition: all var(--transition-fast);
}
.search-fn-pill:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}
.search-fn-more {
    background: var(--accent-light);
    color: var(--accent-color);
    border-color: transparent;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
}

/* Result arrow */
.search-result-arrow {
    width: 1rem;
    height: 1rem;
    color: var(--text-muted);
    flex-shrink: 0;
    opacity: 0;
    transform: translateX(-4px);
    transition: all 0.2s cubic-bezier(0.23, 1, 0.32, 1);
    margin-top: 0.25rem;
    position: relative;
    z-index: 1;
}
.search-result-item:hover .search-result-arrow {
    opacity: 1;
    transform: translateX(0);
    color: var(--accent-color);
}

/* Search footer */
.search-footer {
    text-align: center;
    padding: 0.5rem;
    font-size: 0.6875rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-subtle);
    margin-top: 0.25rem;
}

/* ── Intersection Observer ── */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ── Enhanced Component Card Hover ── */
.component-card {
    transition: all 0.35s cubic-bezier(0.23, 1, 0.32, 1);
    will-change: transform, box-shadow;
}
.component-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px -12px rgba(59,130,246,0.15), var(--shadow-lg);
    border-color: var(--accent-color);
}

/* ── Glass Card Enhanced ── */
.glass-card {
    transition: all 0.35s cubic-bezier(0.23, 1, 0.32, 1);
}
.glass-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

/* ── Responsive ── */
@media (max-width: 1024px) {
    .prose h1 { font-size: 1.75rem; }
    .feature-grid { grid-template-columns: 1fr; }
    .component-grid { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
    .search-modal-content { margin-left: 1rem; margin-right: 1rem; }
}
@media (max-width: 640px) {
    .prose h1 { font-size: 1.5rem; }
    .stat-card .stat-number { font-size: 2rem; }
    .component-grid { grid-template-columns: 1fr; }
    .search-fn-pills { display: none; }
    .search-hints { gap: 0.375rem; }
}

/* ══════════════════════════════════════════════
 * PREMIUM HOMEPAGE ANIMATIONS
 * ══════════════════════════════════════════════ */

/* ── Hero Gradient Enhancement ── */
.hero-gradient {
    background:
        radial-gradient(ellipse at 20% 20%, rgba(59,130,246,0.12) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(6,182,212,0.08) 0%, transparent 50%),
        radial-gradient(ellipse at top, #dbeafe 0%, transparent 70%);
    position: relative;
}
html.dark .hero-gradient {
    background:
        radial-gradient(ellipse at 20% 20%, rgba(59,130,246,0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(139,92,246,0.06) 0%, transparent 50%),
        radial-gradient(ellipse at top, #1e293b 0%, transparent 70%);
}

/* ── Animated Gradient Orbs ── */
@keyframes orbFloat1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33%      { transform: translate(30px, -20px) scale(1.05); }
    66%      { transform: translate(-15px, 15px) scale(0.95); }
}
@keyframes orbFloat2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33%      { transform: translate(-25px, 15px) scale(0.95); }
    66%      { transform: translate(20px, -25px) scale(1.08); }
}
@keyframes orbFloat3 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50%      { transform: translate(15px, 20px) scale(1.1); }
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
    opacity: 0.4;
    z-index: 0;
}
html.dark .hero-orb { opacity: 0.15; }

.hero-orb-1 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(59,130,246,0.5) 0%, transparent 70%);
    top: -100px; left: -50px;
    animation: orbFloat1 8s ease-in-out infinite;
}
.hero-orb-2 {
    width: 350px; height: 350px;
    background: radial-gradient(circle, rgba(6,182,212,0.4) 0%, transparent 70%);
    bottom: -80px; right: -30px;
    animation: orbFloat2 10s ease-in-out infinite;
}
.hero-orb-3 {
    width: 250px; height: 250px;
    background: radial-gradient(circle, rgba(139,92,246,0.35) 0%, transparent 70%);
    top: 50%; left: 55%;
    animation: orbFloat3 12s ease-in-out infinite;
}

/* ── Hero Badge ── */
.hero-badge {
    background: rgba(219,234,254,0.8);
    border: 1px solid rgba(59,130,246,0.2);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
html.dark .hero-badge {
    background: rgba(30,58,95,0.5);
    border-color: rgba(59,130,246,0.3);
}

/* ── Hero Gradient Text ── */
.hero-gradient-text {
    background: linear-gradient(135deg, #3b82f6 0%, #06b6d4 40%, #8b5cf6 80%, #3b82f6 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmerGradient 3s ease-in-out infinite;
}
@keyframes shimmerGradient {
    0%   { background-position: 0% center; }
    50%  { background-position: 100% center; }
    100% { background-position: 0% center; }
}

/* ── Hero Word Stagger ── */
.hero-word {
    opacity: 0;
    transform: translateY(20px) rotate(-0.3deg);
    filter: blur(3px);
    animation: wordReveal 0.55s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
@keyframes wordReveal {
    to {
        opacity: 1;
        transform: translateY(0) rotate(0);
        filter: blur(0);
    }
}

/* ── Typing Effect ── */
.typing-container {
    font-size: 1.125rem;
    font-weight: 600;
    min-height: 1.6em;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
}
.typing-text {
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.typing-cursor {
    font-weight: 300;
    color: var(--accent-color);
    animation: cursorBlink 0.8s steps(1) infinite;
}
@keyframes cursorBlink {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0; }
}

/* ── Animated Glow Border ── */
@property --glow-angle {
    syntax: '<angle>';
    initial-value: 0deg;
    inherits: false;
}
.glow-border {
    position: relative;
    overflow: hidden;
}
.glow-border::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    background: conic-gradient(from var(--glow-angle), #3b82f6, #06b6d4, #8b5cf6, #ec4899, #3b82f6);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
    animation: glowRotate 4s linear infinite;
}
.glow-border::after {
    content: '';
    position: absolute;
    inset: 1px;
    border-radius: inherit;
    background: var(--card-bg);
    z-index: -1;
}
.glow-border:hover::before {
    opacity: 1;
}
@keyframes glowRotate {
    to { --glow-angle: 360deg; }
}

/* ── Button Shine Sweep ── */
.btn-shine::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
    transition: left 0.5s ease;
    z-index: 1;
}
.btn-shine:hover::before {
    left: 120%;
}

/* ── Button Ripple Effect ── */
.ripple-effect {
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    width: 10px;
    height: 10px;
    transform: translate(-50%, -50%) scale(0);
    animation: rippleExpand 0.5s ease-out;
    pointer-events: none;
    z-index: 2;
}
@keyframes rippleExpand {
    to {
        transform: translate(-50%, -50%) scale(30);
        opacity: 0;
    }
}

/* ── Scroll Reveal System ── */
[data-reveal] {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.85s cubic-bezier(0.16, 1, 0.3, 1),
                filter 0.85s cubic-bezier(0.16, 1, 0.3, 1);
    filter: blur(3px);
}
[data-reveal].revealed {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
}
[data-reveal="scale"] {
    transform: scale(0.94);
}
[data-reveal="scale"].revealed {
    transform: scale(1);
}
[data-reveal="left"] {
    transform: translateX(-32px);
}
[data-reveal="left"].revealed {
    transform: translateX(0);
}
[data-reveal="right"] {
    transform: translateX(32px);
}
[data-reveal="right"].revealed {
    transform: translateX(0);
}

/* Reveal children (staggered) */
[data-reveal-child] {
    opacity: 0;
    transform: translateY(16px);
    filter: blur(2px);
    transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.65s cubic-bezier(0.16, 1, 0.3, 1),
                filter 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-reveal-child].revealed {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
}

/* ── Section Heading Accent ── */
.section-heading {
    position: relative;
    display: block;
    text-align: center;
    width: 100%;
}
.section-heading::after {
    content: '';
    display: block;
    width: 0;
    height: 3px;
    margin: 0.75rem auto 0;
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
    transition: width 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.revealed .section-heading::after,
[data-reveal].revealed .section-heading::after {
    width: 60px;
}

/* ── Icon Bounce on Hover ── */
.icon-bounce {
    transition: transform 0.3s cubic-bezier(0.23, 1, 0.32, 1);
}
.feature-card:hover .icon-bounce,
.component-card:hover .icon-bounce {
    animation: iconBounce 0.5s ease;
}
@keyframes iconBounce {
    0%, 100% { transform: translateY(0); }
    30%      { transform: translateY(-6px); }
    50%      { transform: translateY(-3px); }
    70%      { transform: translateY(-5px); }
}

/* ── Feature Card Enhanced ── */
.feature-card {
    position: relative;
    overflow: hidden;
}
.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}
.feature-card:hover::before {
    transform: scaleX(1);
}

/* ── AI CTA Section ── */
.ai-cta-section {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    position: relative;
    overflow: hidden;
}
.ai-cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(59,130,246,0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(139,92,246,0.1) 0%, transparent 50%);
    pointer-events: none;
}
.ai-tag {
    padding: 0.5rem 1rem;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    transition: all 0.3s ease;
}
.ai-tag:hover {
    background: rgba(59,130,246,0.2);
    border-color: rgba(59,130,246,0.4);
    transform: translateY(-2px);
}

/* ── Code Block Glow ── */
.code-block-glow {
    position: relative;
}
.code-block-glow::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: calc(var(--radius-md) + 4px);
    background: var(--accent-gradient);
    opacity: 0;
    z-index: -1;
    transition: opacity 0.4s ease;
    filter: blur(8px);
}
.code-block-glow:hover::before {
    opacity: 0.3;
}
html.dark .code-block-glow:hover::before {
    opacity: 0.15;
}

/* ── Demo Frame ── */
.demo-frame {
    transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1), box-shadow 0.5s ease;
}
.demo-frame:hover {
    transform: scale(1.02);
}
.demo-frame img {
    transition: box-shadow 0.5s ease;
}
.demo-frame:hover img {
    box-shadow: 0 30px 60px -15px rgba(59,130,246,0.2), var(--shadow-xl);
}

/* ── Stat Card Enhanced ── */
.stat-card {
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    border-radius: var(--radius-lg);
}
.stat-card:hover {
    transform: translateY(-4px) scale(1.03);
    box-shadow: 0 12px 28px -8px rgba(59,130,246,0.18);
}
.stat-card .stat-number.counter-done {
    animation: counterPop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes counterPop {
    0%   { transform: scale(1); }
    50%  { transform: scale(1.18); }
    75%  { transform: scale(0.95); }
    100% { transform: scale(1); }
}

/* ══════════════════════════════════════════════
 * MOBILE NAVIGATION OVERLAY
 * ══════════════════════════════════════════════ */

/* ── Mobile Menu Button ── */
.mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
    padding: 0.5rem;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
}
.mobile-menu-btn:hover {
    background: var(--card-hover-bg);
    color: var(--accent-color);
}
.mobile-menu-btn:active {
    transform: scale(0.92);
}

/* ── Search Button Mobile Touch Target ── */
@media (max-width: 1024px) {
    .search-btn-header {
        min-width: 44px;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0.375rem;
    }
}

/* ── Mobile Nav Overlay ── */
.mobile-nav-overlay {
    display: none;
    position: fixed;
    top: 4rem;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 45;
    background: var(--bg-color);
    opacity: 0;
    transform: translateX(-100%);
    transition: opacity 0.32s cubic-bezier(0.23, 1, 0.32, 1),
                transform 0.32s cubic-bezier(0.23, 1, 0.32, 1);
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
}
html.dark .mobile-nav-overlay {
    background: var(--bg-color);
    border-right: 1px solid var(--border-color);
}
.mobile-nav-overlay.mobile-nav-open {
    opacity: 1;
    transform: translateX(0);
}

/* ── Mobile Nav Inner ── */
.mobile-nav-inner {
    display: flex;
    flex-direction: column;
    min-height: 100%;
    padding: 1rem 0;
}

/* ── Mobile Nav Section ── */
.mobile-nav-section {
    padding: 0.5rem 1.25rem;
}
.mobile-nav-section + .mobile-nav-section {
    border-top: 1px solid var(--border-subtle);
    margin-top: 0.25rem;
    padding-top: 0.75rem;
}

/* ── Section Title ── */
.mobile-nav-section-title {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    padding: 0.5rem 0.75rem 0.375rem;
    margin: 0;
}

/* ── Nav List ── */
.mobile-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

/* ── Nav Link ── */
.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.75rem;
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.9375rem;
    font-weight: 500;
    min-height: 44px;
    transition: all var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
}
.mobile-nav-link:hover,
.mobile-nav-link:active {
    background: var(--card-hover-bg);
    color: var(--accent-color);
}
.mobile-nav-link-active {
    color: var(--accent-color);
    font-weight: 600;
    background: var(--accent-light);
    border-left: 3px solid var(--accent-color);
}
.mobile-nav-link-indent {
    padding-left: 2.5rem;
    font-size: 0.875rem;
}

/* ── Nav Icon ── */
.mobile-nav-icon {
    font-size: 1.125rem;
    width: 1.5rem;
    text-align: center;
    flex-shrink: 0;
}

/* ── Bottom Bar (GitHub + Theme) ── */
.mobile-nav-bottom {
    margin-top: auto;
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 0.75rem;
}
.mobile-nav-bottom-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    font-size: 0.8125rem;
    font-weight: 500;
    text-decoration: none;
    min-height: 44px;
    transition: all var(--transition-fast);
    cursor: pointer;
    flex: 1;
    justify-content: center;
    -webkit-tap-highlight-color: transparent;
}
.mobile-nav-bottom-link:hover {
    background: var(--card-hover-bg);
    border-color: var(--accent-color);
    color: var(--accent-color);
}

/* ── Mobile Typography Fixes ── */
@media (max-width: 640px) {
    .typing-container {
        font-size: 0.9375rem;
        padding: 0 0.5rem;
    }
    .hero-content h1,
    .hero-content .text-5xl {
        font-size: 2.5rem !important;
    }
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
    .hero-word { animation: none; opacity: 1; transform: none; filter: none; }
    .hero-orb { animation: none; }
    .hero-gradient-text { animation: none; }
    .typing-cursor { animation: none; opacity: 1; }
    [data-reveal] { opacity: 1; transform: none; filter: none; transition: none; }
    [data-reveal-child] { opacity: 1; transform: none; filter: none; transition: none; }
    .glow-border::before { animation: none; }
    .btn-shine::before { transition: none; }
    .section-heading::after { width: 60px; transition: none; }
    .feature-card::before { transition: none; transform: scaleX(1); }
    .icon-bounce { animation: none; }
}