/* Base: design tokens, page background, typography and section spacing */

:root {
  --azure: #0f6cbd;
  --azure-dark: #0a4e8c;
  --background: #f6f8fb;
  --text: #0f172a;
  --muted: #4b5563;
  --card: #ffffff;
  --accent: #6dd3ff;
  --shadow: 0 18px 45px rgba(15, 108, 189, 0.12);
  --border: rgba(15, 108, 189, 0.18);
  /* sticky header height (one row on all widths; nav switches to hamburger at 1080px) */
  --header-height: 84px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: radial-gradient(circle at 20% 20%, rgba(109, 211, 255, 0.2), transparent 25%),
    radial-gradient(circle at 80% 10%, rgba(15, 108, 189, 0.16), transparent 22%),
    var(--background);
  color: var(--text);
  line-height: 1.6;
}

section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 72px;
  scroll-margin-top: calc(var(--header-height) + 8px);
}

/* First section on an inner page sits below the header */
.page-top {
  padding-top: 64px;
}

.section-header {
  margin-bottom: 28px;
}

.section-header h1 {
  margin: 0 0 12px;
  font-size: clamp(30px, 2.5vw + 16px, 40px);
  line-height: 1.15;
}

.section-header h2 {
  margin: 0 0 10px;
  font-size: 28px;
}

.section-header p {
  margin: 0;
  color: var(--muted);
  max-width: 720px;
}

.section-note {
  margin: 22px 0 6px;
  color: var(--text);
}

.section-actions {
  margin-top: 22px;
}

.small-print {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}