:root {
  color-scheme: light;
  --bg: #f5f7f6;
  --text: #1f2623;
  --muted: #65706c;
  --line: #d7dfdc;
  --surface: #ffffff;
  --accent: #127568;
  --accent-ink: #ffffff;
  --warm: #bd5148;
  --shadow: 0 24px 60px rgba(31, 38, 35, 0.08);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  margin: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(245, 247, 246, 0)),
    var(--bg);
  color: var(--text);
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

.site-header,
.site-footer,
main {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 88px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: max-content;
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 18px;
  color: var(--muted);
  font-size: 0.94rem;
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--text);
}

.language-switch {
  display: grid;
  grid-template-columns: repeat(2, 40px);
  height: 36px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
}

.lang-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  min-width: 34px;
  height: 28px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 700;
}

.lang-button[aria-pressed="true"] {
  background: var(--accent);
  color: var(--accent-ink);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  min-height: 520px;
  padding: 80px 0 96px;
}

.hero-copy {
  max-width: 760px;
}

.eyebrow,
.section-label {
  margin: 0 0 14px;
  color: var(--warm);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
  line-height: 1.06;
}

h1 {
  font-size: clamp(3.4rem, 12vw, 8.5rem);
}

h2 {
  max-width: 600px;
  font-size: clamp(1.55rem, 3.6vw, 3rem);
}

.lead {
  max-width: 660px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: clamp(1.25rem, 2.6vw, 2rem);
  line-height: 1.35;
}

.lead.compact {
  max-width: 700px;
  margin-bottom: 46px;
  font-size: clamp(1.08rem, 2vw, 1.45rem);
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(220px, 0.8fr) minmax(0, 1fr);
  gap: 56px;
  padding: 64px 0;
  border-top: 1px solid var(--line);
}

.body-copy,
.release-note,
.details-list {
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.7;
}

.body-copy p,
.release-note p {
  max-width: 660px;
  margin: 0;
}

.details-list {
  display: grid;
  gap: 20px;
  margin: 0;
}

.details-list div {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 22px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.details-list dt {
  color: var(--text);
  font-weight: 750;
}

.details-list dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.document {
  max-width: 820px;
  padding: 78px 0 72px;
}

.document h1 {
  font-size: clamp(2.6rem, 8vw, 5.8rem);
}

.document section {
  padding: 38px 0;
  border-top: 1px solid var(--line);
}

.document h2 {
  max-width: none;
  margin-bottom: 14px;
  font-size: clamp(1.35rem, 2.4vw, 2rem);
}

.document p,
.document li {
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.75;
}

.document ul {
  margin: 0;
  padding-left: 1.2rem;
}

.updated {
  margin: 16px 0 52px;
  color: var(--muted);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 92px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer p {
  margin: 0;
}

.site-footer p:last-child {
  display: flex;
  gap: 10px;
}

@media (max-width: 760px) {
  .site-header,
  .site-footer,
  main {
    width: min(100% - 28px, 1120px);
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    min-height: 132px;
    padding: 18px 0;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 14px;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 32px;
    min-height: auto;
    padding: 58px 0 72px;
  }

  .section-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 48px 0;
  }

  .details-list div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .document {
    padding: 52px 0 56px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding: 24px 0;
  }
}