:root {
  color-scheme: light;
  --ink: #23211f;
  --muted: #6d6861;
  --paper: #f7f2e8;
  --card: #fffdf8;
  --accent: #4b58c6;
  --line: #ded7ca;
}

* {
  box-sizing: border-box;
}

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

a {
  color: var(--accent);
}

header,
main,
footer {
  width: min(760px, calc(100% - 40px));
  margin-inline: auto;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-block: 28px;
}

.brand {
  color: var(--ink);
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  text-decoration: none;
}

nav {
  display: flex;
  gap: 18px;
  font-size: 0.92rem;
}

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

.hero,
.document {
  padding: clamp(34px, 7vw, 76px);
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--card);
  box-shadow: 0 18px 50px rgb(57 48 37 / 8%);
}

.hero h1,
.document h1 {
  max-width: 640px;
  margin: 0 0 18px;
  font-size: clamp(2.2rem, 8vw, 4.3rem);
  line-height: 1.04;
  letter-spacing: -0.055em;
}

.document h1 {
  font-size: clamp(2rem, 6vw, 3.2rem);
}

.lede {
  max-width: 600px;
  margin: 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.eyebrow,
.updated {
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.features {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}

.feature,
.language-block,
.contact-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgb(255 255 255 / 45%);
}

.feature h2,
.language-block h2 {
  margin: 0 0 7px;
  font-size: 1.05rem;
}

.feature p,
.language-block p,
.language-block li {
  margin: 0;
  color: var(--muted);
}

.document > section + section {
  margin-top: 42px;
  padding-top: 42px;
  border-top: 1px solid var(--line);
}

.language-block + .language-block {
  margin-top: 16px;
}

.language-block h3 {
  margin: 28px 0 8px;
  font-size: 1rem;
}

.language-block ul {
  padding-left: 22px;
}

.contact-card a {
  font-weight: 700;
}

footer {
  padding-block: 28px 46px;
  color: var(--muted);
  font-size: 0.86rem;
}

@media (max-width: 620px) {
  header {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .hero,
  .document {
    border-radius: 22px;
  }
}