/* Bystrohry – tabule, křída, rorýs. Systémová písma, žádné externí zdroje ani sledování. */
:root {
  --board: #1f3a2b;
  --board-2: #274835;
  --chalk: #f2f0e6;
  --chalk-dim: #c9cdbf;
  --yellow: #f3e08a;
  --bg: #f6f4ec;
  --surface: #ffffff;
  --ink: #1b2a21;
  --muted: #56645b;
  --line: #e2e0d4;
  --radius: 18px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #121c16; --surface: #1a2a20; --ink: #ecebe2; --muted: #a9b3aa; --line: #2a3d31; color-scheme: dark; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font); font-size: 17px; line-height: 1.6; }
img { max-width: 100%; }
a { color: #2f6b4a; }
@media (prefers-color-scheme: dark) { a { color: var(--yellow); } }
.wrap { max-width: 1040px; margin: 0 auto; padding-inline: 20px; }

header.top { background: var(--board); color: var(--chalk); }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding-block: 14px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--chalk); font-weight: 800; font-size: 24px; letter-spacing: .01em; }
.brand svg { width: 40px; height: 40px; fill: var(--chalk); }
.brand b { color: var(--yellow); font-weight: 800; }
nav.top { display: flex; flex-wrap: wrap; gap: 4px 18px; }
nav.top a { text-decoration: none; color: var(--chalk-dim); font-weight: 600; font-size: 15px; }
nav.top a:hover, nav.top a:focus-visible { color: var(--chalk); }

.hero { background: radial-gradient(120% 140% at 20% 0%, var(--board-2), var(--board)); color: var(--chalk); }
.hero .wrap { display: grid; grid-template-columns: 1.3fr .7fr; gap: 32px; align-items: center; padding-block: 64px; }
.hero .wrap > * { min-width: 0; }
.hero h1 { font-size: clamp(36px, 6vw, 58px); line-height: 1.05; margin: 0 0 16px; letter-spacing: -0.02em; text-wrap: balance; }
.hero h1 em { font-style: normal; color: var(--yellow); }
.hero p { font-size: clamp(18px, 2.4vw, 21px); margin: 0; max-width: 36ch; color: var(--chalk-dim); }
.hero .swift { justify-self: center; width: min(260px, 100%); fill: var(--chalk); opacity: .95; }

section.block { padding-block: 56px; }
section.block h2 { font-size: clamp(26px, 3.6vw, 36px); margin: 0 0 8px; letter-spacing: -0.01em; }
section.block p.lead { color: var(--muted); margin: 0 0 28px; max-width: 62ch; }

.game { display: grid; grid-template-columns: 180px 1fr; gap: 28px; align-items: center; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.game > * { min-width: 0; }
.game img { width: 180px; height: 180px; border-radius: 40px; display: block; }
.game h3 { font-size: 28px; margin: 0 0 6px; }
.game p { margin: 0 0 12px; color: var(--muted); }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 16px; padding: 0; list-style: none; }
.tags li { background: var(--bg); border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px; font-size: 14px; }
.btn { display: inline-flex; align-items: center; padding: 11px 20px; border-radius: 999px; font-weight: 700; text-decoration: none; font-size: 16px; background: var(--board); color: var(--chalk); }
.soon { color: var(--muted); font-size: 15px; margin-left: 10px; }

.values { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.values div { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; min-width: 0; }
.values h3 { margin: 0 0 6px; font-size: 19px; }
.values p { margin: 0; color: var(--muted); font-size: 16px; }

.doc { max-width: 760px; padding-block: 40px 56px; }
.doc h1 { font-size: clamp(30px, 5vw, 42px); margin: 0 0 6px; }
.doc h2 { font-size: 22px; margin: 32px 0 8px; }
.doc .meta { color: var(--muted); font-size: 15px; }

footer.bottom { border-top: 1px solid var(--line); padding-block: 28px; color: var(--muted); font-size: 15px; }
footer.bottom .wrap { display: grid; gap: 8px; }
footer.bottom nav a { margin-right: 16px; }
:focus-visible { outline: 3px solid var(--yellow); outline-offset: 3px; }

@media (max-width: 760px) {
  .hero .wrap { grid-template-columns: 1fr; padding-block: 44px; }
  .hero .swift { width: 150px; justify-self: start; }
  .game { grid-template-columns: 1fr; }
  .game img { width: 120px; height: 120px; border-radius: 28px; }
}