:root {
  color-scheme: light;
  --ink: #17263d;
  --muted: #5d6b80;
  --line: #d9e2ee;
  --surface: #ffffff;
  --canvas: #f4f7fb;
  --accent: #0d7c73;
  --accent-soft: #e5f4f1;
  --link: #146ac1;
  --shadow: 0 12px 32px rgba(23, 38, 61, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

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

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.header-inner,
.page {
  width: min(100% - 32px, 920px);
  margin: 0 auto;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 72px;
}

.brand {
  color: var(--ink);
  font-size: 1.12rem;
  font-weight: 750;
  text-decoration: none;
  letter-spacing: .01em;
}

.language-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: .92rem;
}

.page { padding: 56px 0 72px; }

.hero { margin-bottom: 34px; }

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: .82rem;
  font-weight: 750;
  letter-spacing: .08em;
  text-transform: uppercase;
}

h1,
h2,
h3 { line-height: 1.25; }

h1 { margin: 0 0 14px; font-size: clamp(2rem, 5vw, 3rem); }
h2 { margin: 38px 0 14px; font-size: 1.5rem; }
h3 { margin: 24px 0 8px; font-size: 1.08rem; }

.lead {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.meta {
  margin-top: 12px;
  color: var(--muted);
  font-size: .92rem;
}

.content {
  padding: 34px clamp(20px, 5vw, 48px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.content > :first-child { margin-top: 0; }
.content > :last-child { margin-bottom: 0; }

ul { padding-left: 1.3rem; }
li + li { margin-top: 6px; }

.callout {
  margin: 24px 0;
  padding: 16px 18px;
  background: var(--accent-soft);
  border-left: 4px solid var(--accent);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.card {
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.card h2 { margin-top: 0; font-size: 1.2rem; }

.footer {
  width: min(100% - 32px, 920px);
  margin: 0 auto;
  padding: 24px 0 36px;
  color: var(--muted);
  font-size: .88rem;
  text-align: center;
}

@media (max-width: 640px) {
  .header-inner { align-items: flex-start; flex-direction: column; padding: 16px 0; }
  .page { padding-top: 36px; }
  .content { padding: 26px 20px; }
  .card-grid { grid-template-columns: 1fr; }
}