:root {
  --ink: #14213d;
  --text: #2f3a4f;
  --muted: #5d6b82;
  --brand: #1f5eff;
  --brand-dark: #1747c2;
  --bg: #ffffff;
  --bg-alt: #f3f6fb;
  --line: #dde3ee;
  --radius: 12px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #eef2fa;
    --text: #c9d2e3;
    --muted: #9aa7bf;
    --brand: #6f97ff;
    --brand-dark: #8eadff;
    --bg: #0e1424;
    --bg-alt: #151d31;
    --line: #26304a;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}
a { color: var(--brand); }
h1, h2, h3 { color: var(--ink); line-height: 1.25; }
h1 { font-size: clamp(2rem, 5vw, 3.1rem); margin: 0.3em 0 0.5em; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin: 0 0 1em; }
h3 { font-size: 1.1rem; margin: 0 0 0.4em; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }

.site-header { border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 10; }
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-weight: 700; }
nav { display: flex; gap: 20px; }
nav a { color: var(--text); text-decoration: none; font-size: 0.95rem; }
nav a:hover { color: var(--brand); }

.hero { padding: 88px 0 72px; background: linear-gradient(180deg, var(--bg-alt), var(--bg)); }
.eyebrow { color: var(--brand); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.8rem; margin: 0; }
.lead { font-size: 1.15rem; max-width: 46rem; color: var(--muted); }
.button {
  display: inline-block; margin-top: 12px; padding: 12px 22px; border-radius: 999px;
  background: var(--brand); color: #fff; text-decoration: none; font-weight: 600;
}
.button:hover { background: var(--brand-dark); }

.section { padding: 72px 0; }
.section.alt { background: var(--bg-alt); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.card { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; background: var(--bg); }
.card p { margin: 0; color: var(--muted); }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.steps { margin: 0; padding-left: 1.2em; }
.steps li { margin-bottom: 12px; }

.contact { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }

.site-footer { border-top: 1px solid var(--line); padding: 24px 0; font-size: 0.9rem; color: var(--muted); }
.foot { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.foot p { margin: 0; }

.doc { padding: 56px 0 72px; max-width: 760px; }
.doc h2 { font-size: 1.25rem; margin: 1.8em 0 0.5em; }

/* Marks details still to be filled in before publishing. */
.todo { background: #fff3c4; color: #5c4400; border-radius: 4px; padding: 0 4px; }

@media (max-width: 720px) {
  .two-col { grid-template-columns: 1fr; }
  nav { gap: 14px; }
  .brand span { font-size: 0.95rem; }
  .hero { padding: 56px 0 48px; }
}