:root {
  color-scheme: light;
  font-family: Inter, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  --ink: #24232b;
  --muted: #666371;
  --paper: #f7f6ff;
  --surface: #fffdfa;
  --accent: #6965db;
  --accent-soft: rgb(105 101 219 / 18%);
  --line: #d9d7e7;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 1px 1px, rgb(36 35 43 / 12%) 1px, transparent 0) 0 0 / 22px 22px,
    var(--paper);
}

a {
  color: inherit;
}

code {
  padding: 2px 5px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: rgb(105 101 219 / 7%);
  font-size: 0.92em;
}

.site-shell {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 72px;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 0 28px;
}

.site-brand {
  display: flex;
  align-items: center;
  min-width: 0;
  gap: 10px;
  color: inherit;
  text-decoration: none;
  font-weight: 800;
}

.site-brand img {
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
}

.site-nav nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px 16px;
}

.site-nav nav a {
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
}

.site-nav nav a:hover {
  color: var(--accent);
}

.hero,
.document,
.language-block,
.grid-section article {
  border: 2px solid var(--ink);
  border-radius: 18px 14px 21px 16px;
  background: var(--surface);
  box-shadow: 8px 9px 0 var(--accent-soft);
}

.hero,
.document,
.language-block {
  padding: clamp(28px, 6vw, 64px);
}

.eyebrow {
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2 {
  text-wrap: balance;
}

h1 {
  max-width: 760px;
  margin: 14px 0 18px;
  font-size: clamp(38px, 7vw, 68px);
  line-height: 1;
  letter-spacing: 0;
}

h2 {
  margin: 0 0 12px;
  font-size: 24px;
  line-height: 1.2;
}

.hero p,
.language-block p {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}

.language-block p + p {
  margin-top: 14px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.actions a {
  padding: 11px 15px;
  border: 1px solid var(--ink);
  border-radius: 8px;
  color: var(--surface);
  background: var(--accent);
  text-decoration: none;
  font-weight: 700;
}

.actions a.secondary {
  color: var(--ink);
  background: var(--surface);
}

.grid-section {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 28px 0;
}

.grid-section article {
  padding: 20px;
  box-shadow: 5px 6px 0 rgb(36 35 43 / 8%);
}

.grid-section p,
.document p,
.document li {
  color: var(--muted);
  line-height: 1.7;
}

.grid-section p {
  margin: 0;
}

.document h1 {
  font-size: clamp(34px, 5vw, 54px);
}

.document h2 {
  margin-top: 38px;
}

.document ul {
  padding-left: 20px;
}

.document strong {
  color: var(--ink);
}

.secondary-document,
.language-block {
  margin-top: 28px;
}

.site-footer {
  padding-top: 32px;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

@media (max-width: 760px) {
  .site-nav {
    align-items: flex-start;
  }

  .site-nav nav {
    max-width: 180px;
  }

  .grid-section {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .site-shell {
    width: min(100% - 20px, 960px);
    padding-top: 20px;
  }

  .site-nav {
    display: grid;
  }

  .site-nav nav {
    justify-content: flex-start;
    max-width: none;
  }

  .hero,
  .document,
  .language-block {
    padding: 22px;
  }

  h1 {
    font-size: 34px;
  }
}