:root {
  color-scheme: dark;
  --ink: #f3f5f7;
  --muted: #aab2bf;
  --gold: #f1c75b;
  --gold-strong: #ffda72;
  --navy: #07111c;
  --panel: #101d2a;
  --line: rgba(255, 255, 255, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: #09131e;
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Noto Sans CJK SC", sans-serif;
}
a { color: inherit; }

.hero {
  min-height: 690px;
  background:
    radial-gradient(circle at 78% 20%, rgba(35, 110, 150, .35), transparent 34%),
    radial-gradient(circle at 18% 78%, rgba(126, 76, 31, .25), transparent 28%),
    linear-gradient(145deg, #0d2234 0%, #07111c 54%, #11141a 100%);
  border-bottom: 1px solid var(--line);
}

nav {
  max-width: 1180px;
  height: 94px;
  margin: auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 750;
  letter-spacing: .02em;
}
.brand img { width: 42px; height: 42px; object-fit: contain; }
.nav-links { display: flex; gap: 28px; }
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
}
.nav-links a:hover { color: var(--gold); }

.hero-copy {
  width: min(1120px, calc(100% - 56px));
  margin: 108px auto 0;
  max-width: 1180px;
}
.eyebrow {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .18em;
}
h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(46px, 7vw, 78px);
  line-height: 1.08;
  letter-spacing: -.045em;
}
.lede {
  max-width: 700px;
  margin: 28px 0 38px;
  color: #c1c9d3;
  font-size: 19px;
}
.primary, .download-button {
  display: inline-block;
  border-radius: 7px;
  background: var(--gold);
  color: #17130b;
  padding: 13px 21px;
  text-decoration: none;
  font-weight: 800;
}
.primary:hover, .download-button:hover { background: var(--gold-strong); }
.service-state {
  margin-left: 18px;
  color: var(--muted);
  font-size: 13px;
}
.service-state.online { color: #66d992; }
.service-state.offline { color: #ff897f; }

.section {
  max-width: 1180px;
  margin: auto;
  padding: 100px 28px;
}
.section-heading { max-width: 760px; margin-bottom: 44px; }
.section-heading h2 {
  margin: 0 0 14px;
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.15;
  letter-spacing: -.03em;
}
.section-heading > p:last-child { color: var(--muted); }

.download-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}
.download-card {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(145deg, rgba(22, 42, 59, .9), rgba(12, 24, 35, .9));
}
.platform { color: var(--gold); font-size: 13px; font-weight: 750; }
.download-card h3 { margin: 8px 0 10px; font-size: 27px; }
.download-card p { min-height: 82px; color: var(--muted); }
.download-button { margin: 10px 0 15px; }
.secondary-link { display: block; margin: -6px 0 14px; color: #cbd5df; }
.download-card code {
  display: block;
  overflow-wrap: anywhere;
  color: #8392a2;
  font-size: 11px;
}
.terminal-install {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.terminal-install b,
.terminal-install span {
  display: block;
}
.terminal-install b {
  margin-bottom: 8px;
  color: #d9e1ea;
  font-size: 13px;
}
.terminal-install code {
  padding: 10px 12px;
  border-radius: 6px;
  background: rgba(0, 0, 0, .28);
  color: #9fe3ba;
  user-select: all;
}
.terminal-install span {
  margin-top: 8px;
  color: #8392a2;
  font-size: 11px;
}
.release-note {
  margin-top: 20px;
  padding: 14px 18px;
  border-left: 3px solid var(--gold);
  color: var(--muted);
  background: rgba(255, 255, 255, .03);
}

.dark-section {
  max-width: none;
  background: #060e16;
  border-block: 1px solid var(--line);
}
.dark-section > * { max-width: 1124px; margin-inline: auto; }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.feature-grid article { padding: 29px; background: #0a1520; }
.feature-grid span { color: var(--gold); font: 700 12px/1 monospace; }
.feature-grid h3 { margin: 16px 0 8px; font-size: 20px; }
.feature-grid p { margin: 0; color: var(--muted); font-size: 14px; }

.steps { list-style: none; margin: 0; padding: 0; counter-reset: steps; }
.steps li {
  display: grid;
  grid-template-columns: minmax(210px, .7fr) 1.3fr;
  gap: 30px;
  padding: 23px 0;
  border-top: 1px solid var(--line);
}
.steps b { font-size: 19px; }
.steps span { color: var(--muted); }
.support-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 30px;
  margin-top: 44px;
  color: var(--muted);
  font-size: 13px;
}
.support-row a { color: var(--gold); }

footer {
  min-height: 96px;
  padding: 26px max(28px, calc((100vw - 1124px) / 2));
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: #778493;
  font-size: 12px;
}

@media (max-width: 760px) {
  .nav-links { display: none; }
  .hero { min-height: 640px; }
  .hero-copy { margin-top: 78px; }
  .download-grid, .feature-grid { grid-template-columns: 1fr; }
  .steps li { grid-template-columns: 1fr; gap: 6px; }
  footer { flex-direction: column; }
  .service-state { display: block; margin: 16px 0 0; }
}