:root {
  color-scheme: light;
  --paper: #f7f7f2;
  --ink: #17202c;
  --muted: #626a75;
  --indigo: #5b5ceb;
  --line: rgba(23, 32, 44, 0.13);
  --soft: rgba(91, 92, 235, 0.09);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--indigo);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  text-decoration-thickness: 2px;
}

.shell {
  width: min(100% - 40px, 900px);
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 30px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 800;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 11px;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
  font-size: 0.92rem;
}

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

.hero {
  min-height: 62vh;
  display: grid;
  align-content: center;
  padding: 72px 0 96px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--indigo);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.12;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 820px;
  margin-bottom: 24px;
  font-size: clamp(3rem, 8vw, 6.7rem);
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
}

h3 {
  margin-bottom: 10px;
  font-size: 1.15rem;
}

.lede {
  max-width: 700px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: white;
  font-weight: 750;
  text-decoration: none;
}

.button.secondary {
  border-color: var(--line);
  background: transparent;
  color: var(--ink);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 34px;
  padding: 80px 0;
  border-top: 1px solid var(--line);
}

.feature-grid p {
  margin: 0;
  color: var(--muted);
}

.trust {
  padding: 80px 0;
  border-top: 1px solid var(--line);
}

.trust p {
  max-width: 720px;
  color: var(--muted);
}

.document {
  max-width: 760px;
  padding: 64px 0 110px;
}

.document h1 {
  margin-bottom: 12px;
  font-size: clamp(2.8rem, 7vw, 5rem);
}

.updated {
  margin: 0 0 48px;
  color: var(--muted);
}

.document section {
  padding: 34px 0;
  border-top: 1px solid var(--line);
}

.document p,
.document li {
  color: #39424d;
}

.document ul {
  padding-left: 22px;
}

.notice {
  margin: 24px 0;
  padding: 18px 22px;
  border-left: 3px solid var(--indigo);
  background: var(--soft);
}

.language-jump {
  display: flex;
  gap: 12px;
  margin-bottom: 34px;
}

.language-jump a {
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  font-size: 0.88rem;
  text-decoration: none;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 18px;
  padding: 34px 0 48px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

@media (max-width: 720px) {
  .site-header {
    align-items: flex-start;
  }

  .site-nav {
    gap: 10px 14px;
  }

  .hero {
    min-height: auto;
    padding: 70px 0 80px;
  }

  .feature-grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }
}

@media (max-width: 480px) {
  .shell {
    width: min(100% - 28px, 900px);
  }

  .site-header {
    display: block;
  }

  .site-nav {
    justify-content: flex-start;
    margin-top: 18px;
  }
}