:root {
  color-scheme: dark;
  --background: #08101f;
  --surface: rgba(18, 31, 56, .88);
  --surface-border: rgba(137, 169, 235, .2);
  --text: #f3f7ff;
  --muted: #b4c0d7;
  --accent: #55a4ff;
  --notice: #a9d4ff;
  --notice-background: rgba(58, 125, 208, .16);
}

* { box-sizing: border-box; }

html { background: var(--background); }

body {
  background:
    radial-gradient(44rem 32rem at 8% -10%, rgba(62, 118, 243, .30), transparent 65%),
    radial-gradient(36rem 26rem at 97% 9%, rgba(35, 179, 211, .14), transparent 66%),
    var(--background);
  color: var(--text);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  margin: 0;
  min-width: 320px;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: .18em;
}

a:hover { color: #9dcbff; }

.page {
  margin: 0 auto;
  max-width: 58rem;
  padding: 1.25rem 1.25rem 4rem;
}

.topbar {
  align-items: center;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  margin: 0 auto 2.5rem;
  max-width: 64rem;
}

.brand {
  color: var(--text);
  font-size: 1.15rem;
  font-weight: 750;
  letter-spacing: -.02em;
  text-decoration: none;
}

.brand-mark {
  color: #72b1ff;
  margin-right: .35rem;
}

.language {
  align-items: center;
  display: flex;
  gap: .5rem;
}

.language a,
.language span {
  border: 1px solid var(--surface-border);
  border-radius: .55rem;
  color: var(--muted);
  font-size: .88rem;
  padding: .3rem .55rem;
  text-decoration: none;
}

.language span {
  background: rgba(89, 159, 255, .18);
  color: var(--text);
}

main {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 1.25rem;
  box-shadow: 0 1.5rem 5rem rgba(0, 0, 0, .23);
  overflow: hidden;
}

.hero {
  border-bottom: 1px solid var(--surface-border);
  padding: clamp(1.75rem, 6vw, 4rem);
}

.eyebrow {
  color: #9fcaff;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .09em;
  margin: 0 0 .7rem;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(1.75rem, 7vw, 3.65rem);
  letter-spacing: -.055em;
  line-height: 1.04;
  margin: 0;
  hyphens: auto;
  overflow-wrap: break-word;
}

.summary {
  color: var(--muted);
  font-size: 1.12rem;
  margin: 1.2rem 0 0;
  max-width: 45rem;
}

.last-updated {
  color: #91a3c3;
  display: block;
  font-size: .88rem;
  margin-top: 1.35rem;
}

.content {
  padding: clamp(1.5rem, 5vw, 3.5rem);
}

.notice {
  background: var(--notice-background);
  border: 1px solid rgba(126, 187, 255, .27);
  border-radius: .9rem;
  color: var(--notice);
  margin: 0 0 2.4rem;
  padding: 1rem 1.15rem;
}

section + section { margin-top: 2.25rem; }

h2 {
  font-size: 1.2rem;
  letter-spacing: -.02em;
  line-height: 1.25;
  margin: 0 0 .7rem;
}

p { margin: .75rem 0; }

ul {
  margin: .75rem 0;
  padding-left: 1.25rem;
}

li + li { margin-top: .42rem; }

.footer {
  color: #91a3c3;
  font-size: .88rem;
  padding: 1.35rem 0 0;
  text-align: center;
}

@media (max-width: 420px) {
  .page { padding: 1rem .85rem 3rem; }
  .topbar { margin-bottom: 1.35rem; }
  .hero, .content { padding: 1.35rem; }
}