:root {
  color-scheme: dark;
  --bg: #101318;
  --raised: #171b22;
  --surface: #1d222b;
  --surface-soft: rgba(29, 34, 43, .8);
  --line: rgba(255, 255, 255, .1);
  --text: #f4f5f2;
  --muted: #9ca5b2;
  --faint: #727d8b;
  --accent: #f3b562;
  --accent-strong: #ffd18c;
  --accent-ink: #21180d;
  --mint: #79c9a4;
  --sans: Bahnschrift, "Segoe UI", Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 88% 5%, rgba(243, 181, 98, .11), transparent 23rem),
    radial-gradient(circle at 12% 32%, rgba(121, 201, 164, .045), transparent 20rem),
    var(--bg);
  color: var(--text);
  font: 16px/1.7 var(--sans);
}

a { color: inherit; text-decoration: none; }
.container { width: min(calc(100% - 48px), var(--max)); margin: 0 auto; }

header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(16, 19, 24, .78);
  backdrop-filter: blur(16px);
}

header nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 24px;
}

.brand { display: inline-flex; align-items: center; gap: 9px; font-weight: 800; letter-spacing: -.02em; }
.brand img { display: block; border-radius: 7px; }
header nav > a:last-child {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  transition: color .16s ease;
}
header nav > a:last-child:hover { color: var(--accent-strong); }
header nav > a:last-child::before { color: var(--accent); content: "← "; }

main {
  width: min(calc(100% - 48px), 760px);
  min-height: calc(100vh - 163px);
  margin: 0 auto;
  padding: 82px 0 92px;
}

.eyebrow {
  display: inline-flex;
  margin: 0 0 13px;
  color: var(--accent-strong);
  font: 700 12px/1.2 var(--mono);
  letter-spacing: .11em;
  text-transform: uppercase;
}
.eyebrow::before {
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 5px rgba(121, 201, 164, .1);
  content: "";
}

h1, h2, p { margin-top: 0; }
h1, h2 { letter-spacing: -.04em; }
h1 {
  max-width: 680px;
  margin-bottom: 12px;
  font-size: clamp(43px, 7vw, 70px);
  line-height: .98;
}
h2 {
  margin: 45px 0 12px;
  padding-top: 31px;
  border-top: 1px solid var(--line);
  font-size: clamp(22px, 3vw, 28px);
  line-height: 1.15;
}
p { margin-bottom: 17px; color: var(--muted); }
.updated {
  margin-bottom: 37px;
  color: var(--faint);
  font: 12px var(--mono);
  letter-spacing: .02em;
}

.notice {
  margin: 0 0 38px;
  padding: 15px 17px;
  border: 1px solid rgba(243, 181, 98, .28);
  border-radius: 12px;
  background: linear-gradient(100deg, rgba(243, 181, 98, .1), rgba(243, 181, 98, .035));
  color: var(--muted);
  font-size: 14px;
}
.notice strong { color: var(--accent-strong); }

main > h2:first-of-type { margin-top: 0; padding-top: 0; border-top: 0; }
strong { color: var(--text); }
main a { color: var(--accent-strong); font-weight: 700; }
main a:hover { color: var(--text); text-decoration: underline; text-underline-offset: 3px; }
ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 19px 20px 19px 39px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-soft);
  color: var(--muted);
}
li::marker { color: var(--mint); }

footer {
  padding: 31px 0;
  border-top: 1px solid var(--line);
  background: rgba(23, 27, 34, .52);
  color: var(--faint);
  font-size: 13px;
}
footer .container { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; }
footer a { color: var(--muted); transition: color .16s ease; }
footer a:hover { color: var(--text); }

@media (max-width: 640px) {
  .container, main { width: min(calc(100% - 32px), var(--max)); }
  header nav { min-height: 64px; }
  header nav > a:last-child { font-size: 13px; }
  main { min-height: calc(100vh - 151px); padding: 57px 0 64px; }
  h1 { font-size: clamp(40px, 12vw, 56px); }
  h2 { margin-top: 36px; padding-top: 25px; }
  .notice { padding: 14px; }
}