/* ====== CSS Variables ====== */
:root {
  --blue: #0B4D94;
  --blue-700: #093D74;
  --black: #0b0d12;
  --white: #ffffff;
  --gray-100: #f5f7fb;
  --gray-200: #eef2f7;
  --gray-400: #c8d1dc;
  --text: #0f172a;
  --muted: #475569;
  --radius: 20px;
  --shadow: 0 6px 24px rgba(0,0,0,.08), 0 2px 8px rgba(0,0,0,.06);
}

/* ====== Base ====== */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3 { margin: 0 0 .6rem; line-height: 1.2; }
h1 { font-size: clamp(2rem, 4vw + .5rem, 3.25rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 2.5vw + .25rem, 2rem); font-weight: 800; }
h3 { font-size: 1.125rem; font-weight: 700; }

p { margin: 0 0 1rem; color: var(--muted); }
.container { width: min(1100px, 92%); margin: 0 auto; }

.section { padding: 72px 0; }
.section.alt { background: var(--gray-100); }
.section-header { margin-bottom: 28px; }
.section-subtitle { font-size: .95rem; color: var(--muted); }