:root {
    --bg: #f4f6f8;
    --card: #fff;
    --text: #1e293b;
    --muted: #64748b;
    --primary: #dc2626;
    --primary-dark: #b91c1c;
    --border: #e2e8f0;
}

* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, Segoe UI, sans-serif; color: var(--text); background: var(--bg); line-height: 1.5; }
a { color: var(--primary); text-decoration: none; }
.container { width: min(1100px, 92vw); margin: 0 auto; }
.site-header, .admin-header { background: #fff; border-bottom: 1px solid var(--border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 1rem 0; gap: 1rem; }
.logo { font-weight: 800; color: var(--text); }
nav { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
main.container { padding: 2rem 0 3rem; }
.site-footer { border-top: 1px solid var(--border); padding: 1.5rem 0; color: var(--muted); font-size: .95rem; }
.hero { padding: 2rem 0 1rem; }
.eyebrow { text-transform: uppercase; letter-spacing: .08em; font-size: .8rem; color: var(--primary); font-weight: 700; }
.hero h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); line-height: 1.15; margin: .5rem 0; }
.lead { color: var(--muted); font-size: 1.1rem; max-width: 60ch; }
.hero-actions { display: flex; gap: .75rem; margin-top: 1.25rem; flex-wrap: wrap; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 1.25rem; }
.features { margin-top: 2rem; }
.btn { display: inline-block; border-radius: 10px; padding: .65rem 1rem; border: 1px solid transparent; cursor: pointer; font: inherit; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-outline { background: #fff; border-color: var(--border); color: var(--text); }
.btn-sm { padding: .35rem .65rem; font-size: .85rem; }
.page-head { margin-bottom: 1.25rem; }
.page-head.row { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.muted { color: var(--muted); }
.pricing-card .price { font-size: 1.5rem; font-weight: 800; }
.pricing-card.featured { border-color: #fecaca; box-shadow: 0 8px 24px rgba(220,38,38,.08); }
.pricing-card ul { padding-left: 1.1rem; }
.changelog-item + .changelog-item { margin-top: 1rem; }
.admin-main { min-height: 70vh; }
.auth-box { max-width: 420px; margin: 3rem auto; }
.form label { display: block; margin-bottom: 1rem; }
.form input, .form select, .form textarea { width: 100%; margin-top: .35rem; padding: .6rem .75rem; border: 1px solid var(--border); border-radius: 8px; font: inherit; }
.alert { padding: .75rem 1rem; border-radius: 8px; margin-bottom: 1rem; }
.alert-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.alert-success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: .65rem .5rem; border-bottom: 1px solid var(--border); vertical-align: top; }
.stats .stat .label { color: var(--muted); font-size: .85rem; margin: 0; }
.stats .stat .value { font-size: 1.8rem; font-weight: 800; margin: .25rem 0 0; }
.section { margin-top: 1.5rem; }
code { background: #f1f5f9; padding: .1rem .35rem; border-radius: 4px; font-size: .9em; }