:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-alt: #eef3ff;
  --surface-muted: #f6f7f9;
  --line: #dfe8f6;
  --text: #182033;
  --text-soft: #4d5d7a;
  --navy: #142D59;
  --navy-strong: #0d1f3f;
  --green: #1b7f5a;
  --green-soft: #eaf8f2;
  --saffron: #d48a1b;
  --saffron-soft: #fff4df;
  --shadow: 0 12px 30px rgba(20, 45, 89, 0.12);
  --radius: 16px;
  --radius-sm: 10px;
  --container: 1180px;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-7: 2rem;
  --space-8: 2.5rem;
  --space-9: 3rem;
  --space-10: 4rem;
  --font-ui: "Inter", "Segoe UI", Arial, sans-serif;
  --font-hindi: "Noto Sans Devanagari", "Nirmala UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #101a2d;
    --surface: #162338;
    --surface-alt: #1f2d44;
    --surface-muted: #1b2638;
    --line: #2a3b5d;
    --text: #edf4ff;
    --text-soft: #bed0ef;
    --navy: #9cc0ff;
    --navy-strong: #dfe9ff;
    --green: #74d2a0;
    --green-soft: rgba(27,127,90,0.18);
    --saffron: #f2b75c;
    --saffron-soft: rgba(212,138,27,0.18);
    --shadow: 0 18px 46px rgba(2, 8, 20, 0.44);
  }
}

body[data-theme="dark"] {
  color-scheme: dark;
  --bg: #101a2d;
  --surface: #162338;
  --surface-alt: #1f2d44;
  --surface-muted: #1b2638;
  --line: #2a3b5d;
  --text: #edf4ff;
  --text-soft: #bed0ef;
  --navy: #9cc0ff;
  --navy-strong: #dfe9ff;
  --green: #74d2a0;
  --green-soft: rgba(27,127,90,0.18);
  --saffron: #f2b75c;
  --saffron-soft: rgba(212,138,27,0.18);
  --shadow: 0 18px 46px rgba(2, 8, 20, 0.44);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  line-height: 1.6;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
:focus-visible {
  outline: 3px solid rgba(20, 45, 89, 0.25);
  outline-offset: 3px;
}
.container {
  width: min(var(--container), calc(100% - 2rem));
  margin-inline: auto;
}
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}