:root {
  color-scheme: light dark;
  --background: #f5f3ed;
  --surface: rgba(255, 255, 255, 0.82);
  --text: #18201d;
  --muted: #57635e;
  --accent: #176b4d;
  --accent-strong: #0d4e38;
  --border: rgba(24, 32, 29, 0.12);
  --warning: #8a4b08;
  --warning-background: #fff0d7;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 8% 0%, rgba(35, 137, 99, 0.15), transparent 30rem),
    var(--background);
  color: var(--text);
  font-size: 17px;
  line-height: 1.65;
}

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

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

.shell {
  width: min(100% - 2rem, 860px);
  margin: 0 auto;
  padding: 3rem 0 5rem;
}

.masthead {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  margin-bottom: 2.5rem;
}

.brand {
  color: var(--text);
  font-weight: 750;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.nav a {
  font-size: 0.92rem;
  font-weight: 650;
  text-decoration: none;
}

.hero,
.card,
.policy {
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: 0 18px 55px rgba(38, 53, 47, 0.08);
}

.hero {
  padding: clamp(1.5rem, 5vw, 3.5rem);
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.2;
  letter-spacing: -0.03em;
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.25rem, 8vw, 4.5rem);
}

h2 {
  margin-top: 2.5rem;
  font-size: clamp(1.5rem, 4vw, 2rem);
}

h3 {
  margin-top: 2rem;
}

.lede {
  max-width: 44rem;
  color: var(--muted);
  font-size: 1.16rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.card {
  padding: 1.5rem;
}

.card h2,
.card h3 {
  margin-top: 0;
}

.button {
  display: inline-block;
  margin-top: 0.75rem;
  border-radius: 999px;
  background: var(--accent);
  color: white;
  font-weight: 750;
  padding: 0.72rem 1rem;
  text-decoration: none;
}

.button:hover {
  background: var(--accent-strong);
  color: white;
}

.policy {
  padding: clamp(1.25rem, 5vw, 3rem);
}

.language-block + .language-block {
  margin-top: 4rem;
  border-top: 1px solid var(--border);
  padding-top: 3rem;
}

.meta,
.muted,
footer {
  color: var(--muted);
}

.warning {
  margin: 1.5rem 0;
  border: 1px solid rgba(138, 75, 8, 0.28);
  border-radius: 16px;
  background: var(--warning-background);
  color: var(--warning);
  padding: 1rem 1.1rem;
}

footer {
  margin-top: 2.5rem;
  font-size: 0.88rem;
  text-align: center;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #111713;
    --surface: rgba(28, 38, 33, 0.9);
    --text: #f0f4f1;
    --muted: #bac5c0;
    --accent: #79dab5;
    --accent-strong: #a2e8cd;
    --border: rgba(238, 246, 241, 0.12);
    --warning: #ffd79e;
    --warning-background: #422d14;
  }
}

@media (max-width: 560px) {
  .shell {
    width: min(100% - 1.25rem, 860px);
    padding-top: 1.25rem;
  }

  .masthead {
    align-items: flex-start;
    flex-direction: column;
    margin-bottom: 1.5rem;
  }
}