:root {
  --ink: #0d1b2a;
  --muted: #4f5f70;
  --line: #e2e7ee;
  --bg: #ffffff;
  --soft: #f4f6f9;
  --accent: #1450c8;
  --accent-hover: #0f3f9f;
  --on-accent: #ffffff;
  --radius: 10px;
  --wrap: 1080px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e7edf4;
    --muted: #a3b0be;
    --line: #253346;
    --bg: #0b1420;
    --soft: #101c2b;
    --accent: #6a9bf4;
    --accent-hover: #8fb4f7;
    --on-accent: #0b1420;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
section[id] { scroll-margin-top: 72px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

a { color: var(--accent); }
a:hover { color: var(--accent-hover); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--accent); color: var(--on-accent); padding: 8px 12px;
}
.skip:focus { left: 16px; top: 16px; z-index: 10; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 32px; } }

h1, h2, h3 { line-height: 1.2; margin: 0; }
h1 { font-size: clamp(2rem, 5vw, 3.1rem); font-weight: 700; letter-spacing: -0.02em; max-width: 18ch; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700; letter-spacing: -0.01em; }
h3 { font-size: 1.05rem; font-weight: 600; }
p { margin: 0; }

/* header */
.site-header {
  position: sticky; top: 0; z-index: 5;
  background: var(--bg);
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: saturate(150%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-row { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 700; font-size: 1.1rem; }
.mark { width: 28px; height: 28px; color: var(--accent); flex: none; }
nav { display: flex; align-items: center; gap: 22px; }
nav a { color: var(--muted); text-decoration: none; font-size: 0.95rem; }
nav a:hover { color: var(--ink); }
nav .nav-cta { color: var(--accent); font-weight: 600; }
@media (max-width: 640px) { nav a:not(.nav-cta) { display: none; } }

/* hero */
.hero { padding: 72px 0 64px; border-bottom: 1px solid var(--line); }
@media (min-width: 720px) { .hero { padding: 112px 0 96px; } }
.eyebrow { color: var(--muted); font-size: 0.9rem; letter-spacing: 0.02em; margin-bottom: 16px; }
.lead { font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--muted); max-width: 60ch; margin-top: 20px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.btn {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 18px;
  border: 1px solid var(--muted); border-radius: var(--radius);
  color: var(--ink); text-decoration: none; font-weight: 600; font-size: 0.95rem;
}
.btn:hover { border-color: var(--ink); color: var(--ink); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: var(--on-accent); }

/* sections */
.section { padding: 64px 0; }
@media (min-width: 720px) { .section { padding: 88px 0; } }
.section.alt { background: var(--soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-lead { color: var(--muted); max-width: 62ch; margin-top: 12px; }

.cards {
  list-style: none; margin: 32px 0 0; padding: 0;
  display: grid; gap: 16px; grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .card:last-child { grid-column: 1 / -1; }
}
/* 5 cards: three across, then two wider ones, so no row has a gap */
@media (min-width: 960px) {
  .cards { grid-template-columns: repeat(6, 1fr); }
  .card { grid-column: span 2; }
  .card:nth-child(n+4), .card:last-child { grid-column: span 3; }
}
.card { border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; background: var(--bg); }
.card p { color: var(--muted); margin-top: 8px; font-size: 0.97rem; }

.steps {
  list-style: none; margin: 32px 0 0; padding: 0; counter-reset: step;
  display: grid; gap: 16px; grid-template-columns: 1fr;
}
@media (min-width: 720px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .steps { grid-template-columns: repeat(4, 1fr); } }
.steps li { counter-increment: step; border-top: 2px solid var(--accent); padding-top: 16px; }
.steps li::before {
  content: counter(step, decimal-leading-zero);
  display: block; color: var(--accent); font-weight: 700; font-size: 0.85rem; margin-bottom: 6px;
  font-variant-numeric: tabular-nums;
}
.steps p { color: var(--muted); margin-top: 6px; font-size: 0.97rem; }

/* facts */
.facts { margin: 32px 0 0; display: grid; grid-template-columns: 1fr; border-top: 1px solid var(--line); }
.facts > div { display: grid; grid-template-columns: 1fr; gap: 2px; padding: 14px 0; border-bottom: 1px solid var(--line); }
@media (min-width: 720px) { .facts > div { grid-template-columns: 220px 1fr; gap: 24px; } }
.facts dt { color: var(--muted); font-size: 0.92rem; }
.facts dd { margin: 0; overflow-wrap: anywhere; font-variant-numeric: tabular-nums; }

.contact { display: grid; gap: 8px; grid-template-columns: 1fr; }
@media (min-width: 960px) { .contact { grid-template-columns: 1fr 1.4fr; gap: 48px; align-items: start; } .contact-facts { margin-top: 0; } }

/* footer */
.site-footer { padding: 28px 0 40px; color: var(--muted); font-size: 0.88rem; }