:root {
  --navy: #0c2744;
  --ink: #14283a;
  --muted: #3e5568;
  --ice: #e7f3fb;
  --card: #ffffff;
  --line: #c5d7e6;
  --crystal: #147a3e;
  --crystal-dark: #0e5c2e;
  --warn: #9a4d12;
  --warn-bg: #fff1e4;
  --focus: #0b6bcb;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 0%, #ffffff 0 18%, transparent 19%),
    linear-gradient(180deg, #f4faff 0%, var(--ice) 240px, #e3eef6 100%);
  font-family: "Segoe UI", "Avenir Next", "Trebuchet MS", sans-serif;
  line-height: 1.55;
}
a { color: var(--crystal-dark); }
a:hover { color: var(--navy); }
.skip {
  position: absolute; left: 12px; top: -40px; background: #fff; padding: 8px 12px;
}
.skip:focus { top: 12px; z-index: 5; }
.site-header {
  background: var(--navy); color: #f4f8fc;
  padding: 14px 20px 16px;
}
.header-row, .nav-row { max-width: 1080px; margin: 0 auto; }
.header-row { display: flex; gap: 14px; align-items: center; justify-content: space-between; }
.brand { display: flex; gap: 12px; align-items: center; color: #fff; text-decoration: none; }
.brand strong { display: block; font-size: 1.15rem; letter-spacing: 0.01em; }
.brand span, .unofficial { color: #d5e4f2; font-size: 0.92rem; }
.unofficial { margin: 8px auto 0; max-width: 1080px; }
.nav-row { display: flex; flex-wrap: wrap; gap: 8px 14px; padding-top: 12px; align-items: center; }
.nav-links { display: flex; flex-wrap: wrap; gap: 8px 14px; }
.nav-links a { color: #fff; text-decoration: none; font-weight: 650; }
.nav-links a[aria-current="page"] { border-bottom: 3px solid #7dffb0; }
.menu-toggle { display: none; background: #13486f; color: #fff; border: 0; border-radius: 8px; padding: 8px 12px; }
main { max-width: 1080px; margin: 0 auto; padding: 28px 20px 48px; }
h1 { font-size: clamp(1.8rem, 3vw, 2.5rem); line-height: 1.15; margin: 0 0 12px; letter-spacing: -0.02em; }
h2 { margin-top: 1.6em; font-size: 1.35rem; }
.lede { font-size: 1.12rem; max-width: 68ch; }
.panel, .fact, .gap, .stat-grid article, form.checklist {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px;
}
.panel { border-top: 6px solid var(--crystal); }
.gap { background: var(--warn-bg); border-color: #f0c9a8; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; padding: 0; margin: 16px 0; }
.stat-grid article { margin: 0; }
.stat-grid strong { display: block; font-size: 1.35rem; color: var(--navy); }
.stat-grid span { color: var(--muted); font-size: 0.92rem; }
ol.steps { padding-left: 1.2rem; }
ol.steps li { margin: 0.55rem 0; }
table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { border-bottom: 1px solid var(--line); text-align: left; padding: 8px 10px; vertical-align: top; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 16px 0; }
.actions a, button.primary {
  background: var(--crystal); color: #fff; text-decoration: none; border-radius: 999px; padding: 10px 16px; font-weight: 700;
}
.actions a.secondary { background: var(--navy); }
form.checklist label { display: flex; gap: 10px; align-items: flex-start; margin: 10px 0; }
footer { background: #d5e5f1; color: var(--muted); padding: 22px 20px 36px; }
.footer-inner { max-width: 1080px; margin: 0 auto; display: flex; flex-wrap: wrap; gap: 10px 16px; }
.footer-inner a { color: var(--navy); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
@media (max-width: 720px) {
  .menu-toggle { display: inline-block; }
  .nav-links { display: none; width: 100%; flex-direction: column; }
  .nav-links.open { display: flex; }
  .header-row { align-items: flex-start; }
}