:root {
  --orange: #ff6a13;
  --orange-dark: #c24e00;
  --navy: #16193a;
  --cream: #fff6ec;
  --muted: #4a4e68;
  --border: #f1e6d8;
  --bg: #ffffff;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Noto Sans Devanagari", "Noto Sans Gujarati", sans-serif;
  color: var(--navy);
  background: var(--cream);
  line-height: 1.6;
  font-size: 16px;
}
a { color: var(--orange-dark); }
header.top {
  background: linear-gradient(135deg, #ff7a2e, #ffb26b);
  color: #fff;
}
header.top .wrap { display: flex; align-items: center; gap: 12px; padding-top: 14px; padding-bottom: 14px; }
.logo {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--navy); color: #fff; font-weight: 800; border-radius: 12px;
  width: 40px; height: 40px; font-size: 20px; text-decoration: none;
}
.brand { color: #fff; font-weight: 800; font-size: 22px; text-decoration: none; letter-spacing: .2px; }
nav.links { margin-left: auto; display: flex; flex-wrap: wrap; gap: 6px 14px; }
nav.links a { color: #fff; text-decoration: none; font-weight: 600; font-size: 14px; }
nav.links a:hover { text-decoration: underline; }
.wrap { max-width: 860px; margin: 0 auto; padding: 0 16px; }
main { padding: 24px 0 48px; }
.card {
  background: var(--bg); border-radius: 18px; padding: 22px 20px; margin-bottom: 16px;
  box-shadow: 0 6px 20px rgba(22, 25, 58, .06);
}
h1 { font-size: 28px; line-height: 1.25; margin: 0 0 6px; }
h2 { font-size: 20px; margin: 26px 0 8px; }
h2:first-child { margin-top: 0; }
h3 { font-size: 17px; margin: 18px 0 6px; }
p, li { color: #23264a; }
.muted { color: var(--muted); font-size: 14px; }
ul { padding-left: 22px; margin: 6px 0 12px; }
li { margin: 4px 0; }
table { width: 100%; border-collapse: collapse; margin: 8px 0 14px; font-size: 15px; }
th, td { text-align: left; vertical-align: top; padding: 8px 6px; border-bottom: 1px solid var(--border); }
th { background: #fff1e6; }
.table-scroll { overflow-x: auto; }
.note {
  background: #fff1e6; border-left: 4px solid var(--orange); border-radius: 10px;
  padding: 12px 14px; margin: 12px 0;
}
.toc a { display: inline-block; margin: 2px 10px 2px 0; font-size: 14px; }
.btn {
  display: inline-block; background: var(--orange); color: var(--navy); font-weight: 700;
  padding: 12px 18px; border-radius: 14px; text-decoration: none; margin: 4px 8px 4px 0;
}
.btn.secondary { background: var(--navy); color: #fff; }
.hero { padding: 36px 0 8px; }
.hero h1 { font-size: 34px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; }
.grid .card { margin: 0; }
footer { background: var(--navy); color: #e6e7f0; padding: 22px 0; font-size: 14px; }
footer a { color: #ffc233; }
footer p { color: #e6e7f0; margin: 4px 0; }
@media (max-width: 560px) {
  h1 { font-size: 24px; }
  .hero h1 { font-size: 28px; }
  nav.links { width: 100%; margin-left: 0; }
  header.top .wrap { flex-wrap: wrap; }
}
@media print {
  header.top, footer, nav.links { display: none; }
  body { background: #fff; }
  .card { box-shadow: none; }
}
.card > h3:first-child { margin-top: 0; }