:root { --ink: #1d2433; --muted: #5b6475; --brand: #2f6fed; --bg: #f7f8fb; }
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.6 system-ui, sans-serif; color: var(--ink); background: var(--bg); }
.site-header { display: flex; justify-content: space-between; align-items: center; padding: 16px 32px; background: #fff; border-bottom: 1px solid #e3e6ee; }
.brand { display: flex; gap: 8px; align-items: center; font-weight: 700; color: var(--ink); text-decoration: none; }
nav a { margin-left: 20px; color: var(--muted); text-decoration: none; }
nav a[aria-current] { color: var(--brand); font-weight: 600; }
.hero { padding: 72px 32px; text-align: center; }
.hero h1 { font-size: 2.4rem; margin: 0 0 12px; }
.button { display: inline-block; padding: 10px 20px; border-radius: 8px; background: var(--brand); color: #fff; text-decoration: none; border: 0; font: inherit; cursor: pointer; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; padding: 0 32px 64px; }
.cards article { background: #fff; padding: 24px; border-radius: 12px; border: 1px solid #e3e6ee; }
.page { max-width: 720px; margin: 40px auto; padding: 0 24px; }
form label { display: block; margin-bottom: 12px; }
form input, form textarea { display: block; width: 100%; padding: 8px; border: 1px solid #cdd2dc; border-radius: 6px; font: inherit; }
.site-footer { text-align: center; padding: 24px; color: var(--muted); font-size: 14px; }