:root { color-scheme: dark; --bg: #061e2e; --panel: #0a2b3d; --line: #bcefff26; --text: #eaf8fc; --muted: #b4d1db; --accent: #83e9ed; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: radial-gradient(ellipse at 90% 0%, #12506a77, transparent 36rem), var(--bg); color: var(--text); font-family: system-ui, -apple-system, "Segoe UI", sans-serif; line-height: 1.7; }
a { color: var(--accent); text-underline-offset: .22em; }
a:hover { color: #fff; }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
.wrap { width: min(1120px, calc(100% - 48px)); margin-inline: auto; }
.site-header { min-height: 96px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 18px; font-weight: 750; color: var(--text); text-decoration: none; }
.brand span { color: var(--accent); font-size: 38px; line-height: 1; }
.languages { display: flex; flex-wrap: wrap; gap: 4px; }
.languages a { display: inline-flex; min-height: 44px; align-items: center; padding: 7px 13px; border: 1px solid transparent; border-radius: 9px; font-size: 14px; text-decoration: none; }
.languages a[aria-current] { color: var(--text); border-color: var(--line); background: #ffffff08; }
.hero { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(260px, 1fr); gap: 64px; align-items: center; padding-block: 72px; }
.eyebrow { color: var(--accent); font-size: 12px; font-weight: 750; letter-spacing: .16em; margin: 0 0 20px; }
h1 { margin: 0 0 26px; font-size: clamp(38px, 4.6vw, 62px); line-height: 1.08; letter-spacing: -.045em; font-weight: 750; }
.intro { font-size: 18px; color: var(--muted); margin: 0 0 30px; max-width: 630px; }
.play { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 12px 22px; border-radius: 12px; background: var(--accent); color: #062432; text-decoration: none; font-weight: 750; gap: 16px; }
.play:hover { color: #062432; background: #b4fcff; }
.quick-facts { padding: 24px 26px; background: linear-gradient(145deg, #10455b, #092a3b); border: 1px solid var(--line); border-radius: 24px; }
.quick-facts img { display: block; width: 100%; height: 150px; object-fit: contain; margin: 0 auto 18px; }
h2 { margin: 0 0 26px; font-size: clamp(26px, 3vw, 34px); line-height: 1.2; letter-spacing: -.025em; }
.quick-facts h2 { font-size: 19px; margin-bottom: 14px; }
dl { margin: 0; }
dl > div { padding-block: 11px; border-top: 1px solid var(--line); }
dt { color: var(--muted); font-size: 12px; }
dd { margin: 0; font-size: 15px; font-weight: 650; }
.section { padding-block: 46px; border-top: 1px solid var(--line); }
.rules ol { max-width: 820px; padding-left: 26px; margin-bottom: 0; }
.rules li { padding-left: 12px; margin-bottom: 20px; color: var(--muted); }
.rules li::marker { color: var(--accent); font-weight: 750; }
.features { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.features article { padding: 26px; background: #ffffff04; border: 1px solid var(--line); border-radius: 16px; }
h3 { margin: 0 0 10px; font-size: 19px; line-height: 1.4; }
article p, .tip p { margin: 0; color: var(--muted); }
.tip { margin-block: 0 46px; padding: 25px 30px; background: #83e9ed0a; border-left: 3px solid var(--accent); border-radius: 0 12px 12px 0; }
.tip h2 { font-size: 21px; margin-bottom: 10px; }
.faq { max-width: 880px; }
.faq article { padding-block: 24px; border-bottom: 1px solid var(--line); }
.faq article:last-child { border: 0; padding-bottom: 0; }
.closing { padding-block: 36px 64px; }
.site-footer { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 18px; padding-block: 28px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.site-footer p { margin: 0; }
.site-footer > a { padding-block: 10px; }
.skip { position: fixed; left: 16px; top: -100px; z-index: 10; padding: 12px; background: var(--text); color: var(--bg); }
.skip:focus { top: 12px; }
.artwork img { display: block; width: 100%; height: auto; filter: drop-shadow(0 18px 32px #0005); }
.compact-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; padding-bottom: 28px; }
.compact-columns h2 { font-size: 25px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; padding: 14px 4px; font-weight: 650; }
.faq details p { color: var(--muted); margin: 0 0 18px; }
.faq summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
@media (max-width: 760px) {
  .wrap { width: min(100% - 32px, 560px); }
  .site-header { padding-block: 16px; flex-wrap: wrap; gap: 10px; min-height: 80px; }
  .hero { grid-template-columns: 1fr; gap: 32px; padding-block: 42px; }
  .intro { font-size: 17px; }
  .quick-facts { padding: 22px; }
  .quick-facts img { height: 120px; }
  .features { grid-template-columns: 1fr; }
  .compact-columns { grid-template-columns: 1fr; gap: 0; }
  .artwork { max-width: 260px; margin-inline: auto; }
  .section { padding-block: 34px; }
  .tip { margin-bottom: 34px; padding: 22px; }
  .site-footer { flex-direction: column; align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }