:root {
  color-scheme: dark;
  --bg: #0b0d11;
  --surface: #12151b;
  --line: rgba(255, 255, 255, 0.11);
  --muted: #979da8;
  --text: #f4f2ec;
  --accent: #e8ff60;
  --accent-soft: rgba(232, 255, 96, 0.11);
  --shell: min(1120px, calc(100% - 40px));
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 50% 22%, rgba(232, 255, 96, 0.06), transparent 30%),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a { color: inherit; }

.shell { width: var(--shell); margin-inline: auto; }

.site-header {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.2em;
}

.mark {
  width: 18px;
  height: 18px;
  display: inline-block;
  border: 2px solid var(--accent);
  border-radius: 50%;
  box-shadow: inset 0 0 0 4px var(--bg);
  background: var(--accent);
}

nav { display: flex; gap: 28px; }

nav a,
footer a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  transition: color 160ms ease;
}

nav a:hover,
nav a[aria-current="page"],
footer a:hover { color: var(--text); }

.hero { padding: 96px 0 70px; text-align: center; }

.eyebrow {
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.hero h1,
.legal > h1 {
  margin: 18px auto 24px;
  max-width: 900px;
  font-size: clamp(54px, 8.6vw, 112px);
  line-height: 0.92;
  letter-spacing: -0.065em;
}

.hero h1 span { color: #737983; }

.hero-copy {
  max-width: 620px;
  margin: 0 auto;
  color: #b2b7c0;
  font-size: clamp(17px, 2vw, 20px);
}

.hero-actions {
  margin-top: 32px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.launch-pill,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  background: var(--accent);
  color: #101207;
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}

.text-link { color: #c3c7ce; font-size: 14px; text-decoration: none; }

.timer-stage {
  position: relative;
  width: min(630px, 100%);
  min-height: 390px;
  margin: 80px auto 0;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 40px;
  overflow: hidden;
  background:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px),
    #0d1014;
  background-size: 48px 48px;
}

.timer-glow {
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(232, 255, 96, 0.12);
  filter: blur(60px);
}

.timer-ring {
  position: relative;
  z-index: 1;
  width: 220px;
  height: 220px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 45px rgba(232, 255, 96, 0.12);
}

.timer-value { font-size: 58px; font-weight: 750; line-height: 1; letter-spacing: -0.06em; }
.timer-unit { margin-top: 12px; color: var(--muted); font-size: 10px; font-weight: 800; letter-spacing: 0.22em; }

.game-stat {
  position: absolute;
  bottom: 22px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  text-align: left;
}

.game-stat span { color: var(--muted); font-size: 9px; font-weight: 800; letter-spacing: 0.15em; }
.game-stat strong { font-size: 18px; }
.stat-left { left: 26px; }
.stat-right { right: 26px; text-align: right; }

.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.principles article { padding: 48px 34px; }
.principles article + article { border-left: 1px solid var(--line); }
.number { color: var(--accent); font-size: 12px; font-weight: 800; }
.principles h2 { margin: 30px 0 10px; font-size: 20px; }
.principles p { margin: 0; color: var(--muted); font-size: 15px; }

.modes {
  padding: 120px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
  align-items: end;
}

.modes h2 { margin: 16px 0 0; font-size: clamp(38px, 5vw, 64px); line-height: 1; letter-spacing: -0.05em; }
.mode-list { border-top: 1px solid var(--line); }
.mode-list > div { padding: 20px 0; display: flex; justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--line); }
.mode-list span { font-weight: 700; }
.mode-list small { color: var(--muted); font-size: 13px; }

.legal { padding: 90px 0 120px; }
.legal > h1 { margin-inline: 0; max-width: none; font-size: clamp(58px, 9vw, 108px); }
.effective { margin: 0 0 80px; color: var(--muted); }
.legal-grid { display: grid; grid-template-columns: 260px minmax(0, 700px); gap: 100px; align-items: start; }
.legal-grid aside { position: sticky; top: 30px; padding: 24px; border: 1px solid var(--line); border-radius: 20px; background: var(--surface); color: var(--muted); font-size: 14px; }
.legal-grid aside p { margin-top: 0; }
.legal-grid aside a { color: var(--accent); text-decoration: none; font-weight: 700; }
.legal-copy section { padding: 0 0 34px; margin-bottom: 34px; border-bottom: 1px solid var(--line); }
.legal-copy h2 { margin: 0 0 14px; font-size: 24px; letter-spacing: -0.025em; }
.legal-copy p, .legal-copy li { color: #b1b6bf; }
.legal-copy a { color: var(--accent); text-underline-offset: 3px; }

.support-list { max-width: 850px; border-top: 1px solid var(--line); }
.support-list details { border-bottom: 1px solid var(--line); }
.support-list summary { cursor: pointer; padding: 24px 6px; font-size: 18px; font-weight: 700; }
.support-list details p { margin: -6px 6px 24px; max-width: 680px; color: var(--muted); }
.contact-card { margin-top: 80px; padding: 36px; display: flex; justify-content: space-between; align-items: center; gap: 30px; border: 1px solid var(--line); border-radius: 24px; background: var(--surface); }
.contact-card h2 { margin: 8px 0; font-size: 30px; }
.contact-card p { margin: 0; color: var(--muted); }

footer {
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

footer div { display: flex; gap: 24px; }

@media (max-width: 760px) {
  :root { --shell: min(100% - 28px, 1120px); }
  .site-header { min-height: 72px; }
  nav { gap: 16px; }
  .hero { padding-top: 70px; }
  .timer-stage { min-height: 330px; margin-top: 60px; }
  .timer-ring { width: 180px; height: 180px; }
  .timer-value { font-size: 48px; }
  .principles { grid-template-columns: 1fr; }
  .principles article + article { border-left: 0; border-top: 1px solid var(--line); }
  .modes { grid-template-columns: 1fr; gap: 50px; padding: 90px 0; }
  .legal { padding-top: 70px; }
  .effective { margin-bottom: 50px; }
  .legal-grid { grid-template-columns: 1fr; gap: 50px; }
  .legal-grid aside { position: static; }
  .contact-card { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}