:root {
    --gap: 1rem;
    --bg: #fafafa;
    --ink: #222;
    --muted: #666;
    --card: #fff;
    --border: #e5e5e5;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Helvetica Neue", Arial, "Noto Sans";
    color: var(--ink);
    background: var(--bg);
}

.site-header, .site-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: #fff;
    border-bottom: 1px solid var(--border);
}

.site-footer {
    border-top: 1px solid var(--border);
    border-bottom: none;
}

.brand {
    font-weight: 700;
}

.main-nav a {
    margin-right: 1rem;
    color: #333;
    text-decoration: none;
}

    .main-nav a:last-child {
        margin-right: 0;
    }

    .main-nav a:hover {
        text-decoration: underline;
    }

.container {
    padding: 1.25rem;
    max-width: 1200px;
    margin: 0 auto;
}

.hero {
    padding: 1rem 0 2rem;
}

.quick-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--gap);
}

.card {
    display: block;
    padding: 1.25rem;
    background: var(--card);
    border: 1px solid var(--border);
    text-decoration: none;
    color: inherit;
    border-radius: 14px;
    text-align: center;
}

    .card:hover {
        box-shadow: 0 4px 18px rgba(0,0,0,.06);
    }

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--gap);
}

.thumb {
    display: block;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
}

    .thumb img {
        width: 100%;
        height: 160px;
        object-fit: cover;
        display: block;
    }

.thumb-caption {
    padding: .5rem .75rem;
    font-size: .95rem;
    color: var(--muted);