:root {
  color-scheme: light;
  --bg: #f7f8fa;
  --surface: #ffffff;
  --text: #1d2433;
  --muted: #5e687a;
  --border: #dfe3ea;
  --accent: #2457d6;
  --max: 860px;
}

* { box-sizing: border-box; }

html { font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}

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

header, main, footer {
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
}

header { padding: 48px 0 24px; }

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 16px;
}

main {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: clamp(24px, 5vw, 48px);
  box-shadow: 0 8px 30px rgba(20, 28, 45, 0.05);
}

footer {
  padding: 24px 0 48px;
  color: var(--muted);
  font-size: 0.95rem;
}

h1, h2, h3 { line-height: 1.25; }
h1 { margin-top: 0; font-size: clamp(2rem, 6vw, 3.25rem); }
h2 { margin-top: 2rem; }
p, li { max-width: 72ch; }

.eyebrow {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.notice {
  border-left: 4px solid var(--accent);
  background: #f3f6ff;
  padding: 14px 18px;
  margin: 24px 0;
}

.meta { color: var(--muted); font-size: 0.95rem; }