:root {
  --ink: #101820;
  --gold: #ffb81c;
  --paper: #f4f7fb;
  --line: #d7dee8;
  --link: #0b4f8a;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background:
    linear-gradient(180deg, #101820 0 220px, transparent 220px),
    var(--paper);
  line-height: 1.65;
}
a { color: var(--link); }
header {
  max-width: 760px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 0.5rem;
  color: #fff;
}
header a.brand {
  color: var(--gold);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.02em;
}
header p { color: rgba(255,255,255,0.78); margin: 0.35rem 0 0; }
main {
  max-width: 760px;
  margin: 0 auto;
  padding: 1rem 1.25rem 3rem;
}
article {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.5rem 1.35rem;
  box-shadow: 0 12px 40px rgba(16,24,32,0.08);
}
h1 { font-size: 1.85rem; line-height: 1.2; margin: 0 0 0.75rem; }
h2 { font-size: 1.2rem; margin: 1.75rem 0 0.5rem; }
ul { padding-left: 1.2rem; }
.cta {
  display: inline-block;
  margin: 1rem 0.5rem 0 0;
  padding: 0.75rem 1.1rem;
  border-radius: 999px;
  background: var(--ink);
  color: #fff !important;
  text-decoration: none;
  font-weight: 700;
}
.cta.secondary {
  background: var(--gold);
  color: var(--ink) !important;
}
nav.related {
  margin-top: 1.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-size: 0.95rem;
}
footer {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 1.25rem 2.5rem;
  color: #5b6775;
  font-size: 0.85rem;
}