/* BrewDensity — Core Stylesheet */

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

:root {
    --color-bg: #0f1117;
    --color-surface: #1a1d27;
    --color-surface-2: #242836;
    --color-border: #2e3347;
    --color-text: #e2e4ed;
    --color-text-muted: #8b8fa3;
    --color-primary: #f0a831;       /* amber/beer gold */
    --color-primary-dim: rgba(240, 168, 49, 0.15);
    --color-accent: #4ecdc4;        /* teal */
    --color-accent-dim: rgba(78, 205, 196, 0.15);
    --color-success: #4ade80;
    --color-warning: #fbbf24;
    --color-danger: #f87171;
    --font-body: 'DM Sans', -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --radius: 8px;
    --radius-lg: 12px;
    --max-width: 1120px;
}

html { font-size: 16px; scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem; }

/* ============ Header ============ */
.site-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; }
.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.logo:hover { text-decoration: none; }
.logo-icon { color: var(--color-primary); font-size: 1.1rem; }
.main-nav { display: flex; gap: 1.5rem; }
.main-nav a {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}
.main-nav a:hover { color: var(--color-text); text-decoration: none; }

/* ============ Breadcrumbs ============ */
.breadcrumbs {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0.75rem 1.5rem;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}
.breadcrumbs a { color: var(--color-text-muted); }
.breadcrumbs a:hover { color: var(--color-primary); }
.breadcrumbs .sep { margin: 0 0.4rem; opacity: 0.5; }

/* ============ Hero Metric ============ */
.hero-metric {
    text-align: center;
    padding: 3rem 0 2rem;
}
.hero-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}
.hero-value {
    font-family: var(--font-mono);
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1;
    margin-bottom: 0.25rem;
}
.hero-sublabel {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}
.hero-metric h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text);
}

/* ============ Intro Text ============ */
.intro-text {
    max-width: 800px;
    margin: 0 auto 2.5rem;
    text-align: center;
}
.intro-text p {
    color: var(--color-text-muted);
    font-size: 1.05rem;
    line-height: 1.7;
}
.page-intro {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: 2.5rem;
    max-width: 800px;
}

/* ============ Metric Cards Grid ============ */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 3rem;
}
.metric-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
}
.metric-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}
.metric-value {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.2;
}
.metric-detail {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: 0.4rem;
}

/* ============ Comparison Bars ============ */
.comparison-section { margin-bottom: 3rem; }
.comparison-section h2, section h2 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: var(--color-text);
}
.comparison-bars { display: flex; flex-direction: column; gap: 0.75rem; }
.bar-row { display: flex; align-items: center; gap: 1rem; }
.bar-label { width: 140px; font-size: 0.85rem; color: var(--color-text-muted); text-align: right; flex-shrink: 0; }
.bar-track {
    flex: 1;
    height: 28px;
    background: var(--color-surface);
    border-radius: 6px;
    overflow: hidden;
}
.bar-fill { height: 100%; border-radius: 6px; transition: width 0.5s ease; }
.bar-primary { background: var(--color-primary); }
.bar-secondary { background: var(--color-accent); opacity: 0.8; }
.bar-tertiary { background: var(--color-text-muted); opacity: 0.5; }
.bar-value { width: 60px; font-family: var(--font-mono); font-size: 0.9rem; font-weight: 600; }
.comparison-note { font-size: 0.85rem; color: var(--color-text-muted); margin-top: 1rem; max-width: 700px; }

/* ============ Demographics ============ */
.demographics-section { margin-bottom: 3rem; }
.demo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 0.75rem;
}
.demo-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.25rem;
}
.demo-label { display: block; font-size: 0.8rem; color: var(--color-text-muted); margin-bottom: 0.3rem; }
.demo-value { display: block; font-family: var(--font-mono); font-size: 1.25rem; font-weight: 600; }
.demo-source { font-size: 0.75rem; color: var(--color-text-muted); opacity: 0.7; }

/* ============ Tables ============ */
.brewery-list-section, section { margin-bottom: 3rem; }
.brewery-table, .data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}
.brewery-table th, .data-table th {
    text-align: left;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    padding: 0.75rem 1rem;
    border-bottom: 2px solid var(--color-border);
}
.brewery-table td, .data-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text);
}
.brewery-table tr:hover, .data-table tr:hover { background: var(--color-surface); }
.brewery-name { font-weight: 600; }

/* ============ Cross-links ============ */
.cross-link-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}
.cross-card {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    transition: border-color 0.2s, transform 0.2s;
}
.cross-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    text-decoration: none;
}
.cross-icon { font-size: 1.5rem; }
.cross-title { font-weight: 600; color: var(--color-text); }
.cross-desc { font-size: 0.85rem; color: var(--color-text-muted); }

/* ============ Nearby Grid ============ */
.nearby-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 0.75rem;
}
.nearby-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem;
    text-align: center;
    transition: border-color 0.2s;
}
.nearby-card:hover { border-color: var(--color-primary); text-decoration: none; }
.nearby-zip { font-family: var(--font-mono); font-weight: 700; font-size: 1.1rem; color: var(--color-text); }
.nearby-bdi { font-size: 0.85rem; color: var(--color-primary); font-weight: 600; }
.nearby-count { font-size: 0.8rem; color: var(--color-text-muted); }

/* ============ State Browse ============ */
.state-links { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.state-links a {
    display: inline-block;
    padding: 0.4rem 0.75rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.85rem;
    transition: border-color 0.2s;
}
.state-links a:hover { border-color: var(--color-primary); text-decoration: none; }

/* ============ Verdicts ============ */
.verdict-high { color: var(--color-success); }
.verdict-moderate { color: var(--color-warning); }
.verdict-low { color: var(--color-text-muted); }
.verdict-saturated { color: var(--color-danger); }

/* ============ Footer ============ */
.site-footer {
    border-top: 1px solid var(--color-border);
    padding: 3rem 0 2rem;
    margin-top: 4rem;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}
.footer-brand p { color: var(--color-text-muted); font-size: 0.9rem; margin-top: 0.5rem; }
.footer-links .footer-heading {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    margin-bottom: 0.75rem;
}
.footer-links a {
    display: block;
    color: var(--color-text);
    font-size: 0.9rem;
    margin-bottom: 0.4rem;
}
.footer-links a:hover { color: var(--color-primary); }
.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-top: 1.5rem;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}
.footer-bottom p { margin-bottom: 0.3rem; }

/* ============ Responsive ============ */
@media (max-width: 768px) {
    .main-nav { display: none; } /* TODO: hamburger menu */
    .hero-value { font-size: 3rem; }
    .hero-metric h1 { font-size: 1.2rem; }
    .metrics-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr; }
    .bar-label { width: 100px; font-size: 0.8rem; }
    .cross-link-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
    .metrics-grid { grid-template-columns: 1fr; }
    .hero-value { font-size: 2.5rem; }
    .brewery-table { font-size: 0.8rem; }
    .brewery-table th, .brewery-table td { padding: 0.5rem; }
}