:root {
  color-scheme: light dark;
  --bg: #f7f8f5;
  --surface: #ffffff;
  --surface-strong: #eef2ee;
  --text: #17201b;
  --muted: #5e6d64;
  --border: #d6ddd7;
  --accent: #267a73;
  --accent-strong: #185f5a;
  --safe: #6da85a;
  --warning: #d69a2d;
  --shadow: 0 20px 55px rgba(23, 32, 27, 0.12);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101311;
    --surface: #181c19;
    --surface-strong: #222922;
    --text: #f2f6f0;
    --muted: #a9b6ac;
    --border: #334038;
    --accent: #4cb8ad;
    --accent-strong: #7dd5cb;
    --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  }
}

* {
  box-sizing: border-box;
}

html {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  background: var(--bg);
  color: var(--text);
}

body {
  margin: 0;
}

a {
  color: var(--accent);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1120px;
  margin: 0 auto;
  padding: 24px;
}

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

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--accent);
  color: white;
  font-size: 0.84rem;
  letter-spacing: 0;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 16px;
  font-size: 0.94rem;
}

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

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--text);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.55fr);
  gap: 28px;
  max-width: 1120px;
  margin: 34px auto 0;
  padding: 0 24px 48px;
}

.hero-copy {
  padding: 72px 0;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 850px;
  margin: 0;
  font-size: clamp(2.8rem, 7vw, 5.6rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.lead {
  max-width: 690px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: 1.18rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 8px;
  border: 1px solid var(--border);
  font-weight: 750;
  text-decoration: none;
}

.button.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: white;
}

.button.secondary {
  color: var(--text);
  background: var(--surface);
}

.hero-panel {
  align-self: center;
  display: grid;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.metric {
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-strong);
}

.metric-label {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 0.84rem;
}

.metric strong {
  display: block;
  font-size: 1.16rem;
}

.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 60px 24px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 28px;
}

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

.feature,
.link-list a {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
}

.feature {
  padding: 22px;
}

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

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(300px, 1fr);
  gap: 28px;
  align-items: start;
}

.link-list {
  display: grid;
  gap: 14px;
}

.link-list a {
  display: grid;
  gap: 4px;
  padding: 20px;
  color: var(--text);
  text-decoration: none;
}

.link-list span {
  font-weight: 800;
}

.link-list small {
  color: var(--muted);
  font-size: 0.94rem;
}

.document {
  max-width: 850px;
  margin: 34px auto 0;
  padding: 0 24px 72px;
}

.document.narrow {
  max-width: 620px;
}

.document h1 {
  font-size: clamp(2.5rem, 6vw, 4.6rem);
}

.document section {
  margin-top: 38px;
  padding-top: 34px;
  border-top: 1px solid var(--border);
}

.document h2 {
  margin-bottom: 12px;
  font-size: 1.45rem;
}

.document p,
.document li {
  color: var(--muted);
}

.document li + li {
  margin-top: 8px;
}

.language-menu {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 34px 0 8px;
}

.language-menu a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 700;
  text-decoration: none;
}

.localized-doc {
  max-width: 980px;
}

.language-block {
  scroll-margin-top: 24px;
}

.language-label {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
}

.language-block h3 {
  margin-top: 24px;
  color: var(--text);
}

.muted {
  color: var(--muted);
}

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  max-width: 1120px;
  margin: 0 auto;
  padding: 34px 24px 48px;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

.footer-links {
  display: inline-flex;
  gap: 14px;
}

@media (max-width: 820px) {
  .site-header,
  .hero,
  .split {
    grid-template-columns: 1fr;
  }

  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav {
    justify-content: flex-start;
  }

  .hero-copy {
    padding: 38px 0 8px;
  }

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