:root {
  color-scheme: dark;
  --ink: #f7f7fb;
  --muted: #b8b9c9;
  --panel: #171924;
  --line: #323545;
  --accent: #8ee3ff;
  --accent-2: #d8b4fe;
  --focus: #ffd166;
  --max: 72rem;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

* { box-sizing: border-box; }

html { background: #090a10; scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 85% 5%, rgb(110 78 180 / 22%), transparent 30rem),
    radial-gradient(circle at 10% 30%, rgb(31 126 157 / 16%), transparent 28rem),
    #090a10;
}

a { color: var(--accent); text-underline-offset: .18em; }
a, dd, p, li { overflow-wrap: anywhere; }
a:hover { color: #c3f1ff; }
a:focus-visible, button:focus-visible, [tabindex]:focus-visible {
  outline: .2rem solid var(--focus);
  outline-offset: .2rem;
}

.skip-link {
  position: absolute;
  inset: .75rem auto auto .75rem;
  transform: translateY(-180%);
  padding: .6rem .9rem;
  color: #090a10;
  background: var(--focus);
  border-radius: .45rem;
  z-index: 10;
}
.skip-link:focus { transform: none; }

header, main, footer { width: min(calc(100% - 2rem), var(--max)); margin-inline: auto; }

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1.25rem;
  border-bottom: 1px solid var(--line);
}

.brand { color: var(--ink); font-weight: 800; letter-spacing: .05em; text-decoration: none; }
nav ul { display: flex; flex-wrap: wrap; gap: .55rem 1rem; padding: 0; margin: 0; list-style: none; }
nav a { color: var(--muted); }
nav a[aria-current="page"] { color: var(--ink); font-weight: 700; }

main { padding-block: clamp(2.5rem, 7vw, 6rem); }
.hero { max-width: 58rem; padding-block: clamp(1rem, 5vw, 4rem); }
.eyebrow { color: var(--accent); font-size: .9rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
h1, h2, h3 { line-height: 1.15; text-wrap: balance; }
h1 { max-width: 16ch; margin: .35rem 0 1rem; font-size: clamp(2.6rem, 8vw, 6.2rem); letter-spacing: -.045em; }
h2 { margin-top: 0; font-size: clamp(1.5rem, 4vw, 2.3rem); }
h3 { font-size: 1.15rem; }
.lede { max-width: 63ch; color: var(--muted); font-size: clamp(1.1rem, 2.2vw, 1.4rem); }

.actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.6rem; }
.button {
  display: inline-block;
  padding: .75rem 1rem;
  color: #091016;
  background: var(--accent);
  border-radius: .55rem;
  font-weight: 800;
  text-decoration: none;
}
.button.secondary { color: var(--ink); background: transparent; border: 1px solid var(--line); }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr)); gap: 1rem; margin-block: 2rem; }
.card, .language-block, .notice {
  padding: clamp(1.1rem, 3vw, 1.75rem);
  background: rgb(23 25 36 / 88%);
  border: 1px solid var(--line);
  border-radius: .85rem;
}
.card p, .language-block p, .language-block li { color: var(--muted); }
.language-block + .language-block { margin-top: 1.25rem; }
.notice { border-color: #596278; }
.notice strong { color: var(--accent-2); }

dl { display: grid; grid-template-columns: minmax(8rem, 14rem) 1fr; gap: .5rem 1rem; }
dt { color: var(--muted); }
dd { margin: 0; }

footer { padding-block: 1.5rem 2.5rem; color: var(--muted); border-top: 1px solid var(--line); }
footer nav { margin-bottom: .8rem; }
.small { font-size: .9rem; }

@media (max-width: 44rem) {
  header { align-items: flex-start; flex-direction: column; }
  dl { grid-template-columns: 1fr; }
  dd { margin-bottom: .7rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

@media (forced-colors: active) {
  .button { border: 1px solid ButtonText; }
}