:root {
  color-scheme: light dark;
  --bg: #f4f7f5;
  --surface: #ffffff;
  --text: #17211d;
  --muted: #52625b;
  --accent: #006c4c;
  --line: #d6dfda;
}

* { box-sizing: border-box; }

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

header, main, footer { width: min(920px, calc(100% - 32px)); margin-inline: auto; }
header { padding: 64px 0 28px; }
main { padding-bottom: 56px; }
footer { padding: 24px 0 48px; color: var(--muted); border-top: 1px solid var(--line); }
h1 { font-size: clamp(2rem, 7vw, 4rem); line-height: 1.05; margin: 0 0 16px; letter-spacing: -0.04em; }
h2 { margin-top: 2rem; line-height: 1.2; }
h3 { margin-top: 1.5rem; }
p, li { max-width: 76ch; }
a { color: var(--accent); font-weight: 650; }
.eyebrow { color: var(--accent); font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.lede { font-size: 1.2rem; color: var(--muted); max-width: 65ch; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin: 28px 0; }
.card, article {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: clamp(20px, 4vw, 36px);
  box-shadow: 0 10px 35px rgb(25 55 42 / 7%);
}
.card h2 { margin-top: 0; }
nav { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 24px; }
.notice { border-left: 4px solid var(--accent); padding: 12px 16px; background: color-mix(in srgb, var(--accent) 8%, var(--surface)); }
.lang { color: var(--muted); margin-bottom: 28px; }
.lang a { margin-right: 12px; }

@media (prefers-color-scheme: dark) {
  :root { --bg: #0f1713; --surface: #17211d; --text: #eef7f2; --muted: #afc0b7; --accent: #64dbad; --line: #34483e; }
}