/*
 * snap.css — SnappedAI Design System
 * Source of truth for all snappedai.com pages
 * Based on index.html design tokens
 */

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

/* ====== TOKENS ====== */
:root {
    --primary: #8b5cf6;
    --primary-dark: #7c3aed;
    --secondary: #6366f1;
    --accent: #a78bfa;
    --green: #39ff85;
    --green-dim: #10b981;
    --red: #ef4444;
    --danger: #f43f5e;
    --bg: #030014;
    --bg-card: rgba(139,92,246,0.05);
    --bg-card-hover: rgba(139,92,246,0.1);
    --border: rgba(139,92,246,0.15);
    --border-hover: rgba(139,92,246,0.4);
    --glow: rgba(139,92,246,0.5);
    --glow-strong: rgba(139,92,246,0.8);
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    --font-display: 'Space Grotesk', 'Inter', sans-serif;
    --font-body: 'Inter', 'Space Grotesk', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --max-width: 1100px;
}

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

/* ====== SCROLLBAR ====== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #1e1b4b; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #312e81; }
html { scroll-behavior: smooth; scrollbar-color: #1e1b4b var(--bg); }

/* ====== BASE ====== */
body {
    font-family: var(--font-display);
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--primary); }

h1, h2, h3, h4 {
    font-family: var(--font-display);
    letter-spacing: -0.02em;
}
h1 { font-size: 2rem; font-weight: 900; }
h2 { font-size: 1.5rem; font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 600; }

code, pre, .mono {
    font-family: var(--font-mono);
}

/* ====== NOISE + SCANLINES ====== */
.noise-overlay {
    position: fixed;
    top: -50%; left: -50%;
    width: 200%; height: 200%;
    z-index: 1;
    pointer-events: none;
    opacity: 0.035;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
    animation: grainShift 0.5s steps(3) infinite;
}
@keyframes grainShift {
    0% { transform: translate(0,0); }
    33% { transform: translate(-2px, 1px); }
    66% { transform: translate(1px, -1px); }
    100% { transform: translate(0,0); }
}

.scanlines {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 1;
    pointer-events: none;
    opacity: 0.03;
    background: repeating-linear-gradient(
        0deg,
        transparent 0px,
        transparent 1px,
        rgba(139,92,246,0.08) 1px,
        rgba(139,92,246,0.08) 2px
    );
}

/* ====== LAYOUT ====== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 10;
}

/* ====== SITE NAV ====== */
.site-nav {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 32px;
    flex-wrap: wrap;
    position: relative;
    z-index: 100;
}

.site-nav .nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    margin-right: auto;
}

.site-nav .nav-brand img {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.site-nav .nav-brand span {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text);
}

.site-nav .nav-links {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.site-nav .nav-link {
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s;
    white-space: nowrap;
}

.site-nav .nav-link:hover,
.site-nav .nav-link.active {
    background: var(--bg-card);
    color: var(--accent);
}

/* Mobile nav */
@media (max-width: 768px) {
    .site-nav {
        gap: 8px;
        padding: 12px 0;
    }
    .site-nav .nav-links {
        width: 100%;
        overflow-x: auto;
        flex-wrap: nowrap;
        gap: 2px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    .site-nav .nav-links::-webkit-scrollbar { display: none; }
    .site-nav .nav-link {
        padding: 5px 10px;
        font-size: 0.8rem;
    }
}

/* ====== PAGE HEADER ====== */
.page-header {
    text-align: center;
    padding: 40px 0 24px;
}

.page-header h1 {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.page-header .subtitle {
    color: var(--text-muted);
    font-size: 1.05rem;
}

/* ====== CARDS ====== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
    transition: all 0.3s ease;
}

.card:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    box-shadow: 0 0 30px rgba(139,92,246,0.1);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
    margin: 24px 0;
}

@media (max-width: 640px) {
    .card-grid {
        grid-template-columns: 1fr;
    }
}

/* ====== BUTTONS ====== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 4px 15px rgba(139,92,246,0.3);
}
.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 25px rgba(139,92,246,0.4);
    color: white;
}

.btn-secondary {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text);
}
.btn-secondary:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

/* ====== PILLS / TAGS ====== */
.pill {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(139,92,246,0.15);
    color: var(--accent);
    border: 1px solid rgba(139,92,246,0.2);
}

.pill.green {
    background: rgba(57,255,133,0.1);
    color: var(--green);
    border-color: rgba(57,255,133,0.2);
}

/* ====== STAT BLOCKS ====== */
.stat-row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin: 20px 0;
}

.stat-block {
    flex: 1;
    min-width: 120px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px;
    text-align: center;
}

.stat-block .value {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--accent);
    line-height: 1;
}

.stat-block .label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ====== SECTIONS ====== */
.section {
    padding: 40px 0;
    border-top: 1px solid var(--border);
}

.section-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text);
}

/* ====== FOOTER ====== */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 32px 0;
    margin-top: 60px;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.footer-link {
    color: var(--text-muted);
    font-size: 0.85rem;
    transition: color 0.2s;
}
.footer-link:hover {
    color: var(--accent);
}

.footer-copy {
    color: var(--text-dim);
    font-size: 0.75rem;
}

/* ====== CODE BLOCKS ====== */
.code-block {
    background: rgba(0,0,0,0.4);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--green);
    line-height: 1.5;
}

/* ====== TABLES ====== */
.snap-table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
}

.snap-table th,
.snap-table td {
    padding: 10px 14px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

.snap-table th {
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.snap-table tr:hover td {
    background: var(--bg-card);
}

/* ====== LOADING SHIMMER ====== */
@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.loading {
    background: linear-gradient(90deg, var(--bg-card) 25%, rgba(139,92,246,0.1) 50%, var(--bg-card) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

/* ====== GLOW EFFECTS ====== */
.glow-border {
    box-shadow: 0 0 20px rgba(139,92,246,0.15), inset 0 0 20px rgba(139,92,246,0.05);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ====== RESPONSIVE ====== */
@media (max-width: 640px) {
    h1 { font-size: 1.6rem; }
    h2 { font-size: 1.3rem; }
    .page-header { padding: 24px 0 16px; }
    .stat-block .value { font-size: 1.4rem; }
    .card { padding: 16px; }
    .site-footer { padding: 24px 0; margin-top: 40px; }
}