* { box-sizing: border-box; }

:root {
    --bg: #fafaf7;
    --fg: #1a1a1a;
    --muted: #6b6b6b;
    --accent: #1568b6;
    --border: #d9d6cd;
    --card-bg: #ffffff;
}

html { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif; line-height: 1.5; color: var(--fg); background: var(--bg); }
body { margin: 0; min-height: 100vh; display: flex; flex-direction: column; }

.container { max-width: 980px; margin: 0 auto; padding: 0 1.5rem; }

.site-header { border-bottom: 1px solid var(--border); padding: 1rem 0; background: var(--card-bg); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.brand { font-weight: 700; font-size: 1.1rem; text-decoration: none; color: var(--fg); }
.brand span { color: var(--muted); font-weight: 400; font-size: 0.95rem; margin-left: 0.4rem; }
nav a { margin-left: 1.4rem; color: var(--fg); text-decoration: none; }
nav a:hover { color: var(--accent); }

main.container { flex: 1; padding-top: 2.5rem; padding-bottom: 3.5rem; }

.hero { margin-bottom: 2.5rem; }
.hero h1 { font-size: 2.1rem; margin: 0 0 0.6rem; }
.hero .lead { font-size: 1.1rem; color: var(--muted); max-width: 680px; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.2rem; margin-top: 1rem; }
.card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 10px; padding: 1.25rem 1.4rem; }
.card h2 { font-size: 1.05rem; margin: 0 0 0.6rem; }
.card ul { padding-left: 1.1rem; margin: 0.4rem 0; }
.card li { margin-bottom: 0.3rem; }

.prose h1 { font-size: 1.8rem; margin: 0 0 0.4rem; }
.prose h2 { font-size: 1.15rem; margin: 1.6rem 0 0.4rem; }
.prose p { margin: 0.6rem 0; }
.prose ul { padding-left: 1.4rem; }
.prose li { margin-bottom: 0.35rem; }

a { color: var(--accent); }
.muted { color: var(--muted); }

.site-footer { border-top: 1px solid var(--border); padding: 1.6rem 0; font-size: 0.92rem; background: var(--card-bg); margin-top: auto; }
.site-footer p { margin: 0.2rem 0; }

.kv { display: grid; grid-template-columns: max-content 1fr; gap: 0.4rem 1.2rem; margin: 0.4rem 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

ul.bare { list-style: none; padding: 0; margin: 0.4rem 0; }
ul.bare li { margin-bottom: 0.4rem; }

table.grid { width: 100%; border-collapse: collapse; margin: 1rem 0; font-size: 0.92rem; }
table.grid th, table.grid td { padding: 0.5rem 0.7rem; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
table.grid th { background: var(--bg); font-weight: 600; }
table.grid tr:hover td { background: rgba(21, 104, 182, 0.04); }

.badge { padding: 0.05em 0.5em; border-radius: 4px; font-size: 0.85em; }
.badge.ok { background: #dff5e1; color: #1a6c30; }
.badge.muted { background: #efeee9; color: #6b6b6b; }

code { background: #f0eee7; padding: 0.05em 0.4em; border-radius: 3px; font-size: 0.9em; }

.btn-yandex { display: inline-block; padding: 0.35em 0.9em; background: #fc3f1d; color: #fff !important; border-radius: 5px; font-weight: 500; }
.btn-yandex:hover { background: #d8331a; }

@media (max-width: 640px) {
    .site-header .container { gap: 0.8rem; }
    nav a { margin-left: 0; margin-right: 1rem; font-size: 0.95rem; }
    .hero h1 { font-size: 1.7rem; }
}