:root {
  color-scheme: dark;
  --background: #09111f;
  --panel: #101b30;
  --panel-soft: #13233e;
  --border: #294369;
  --text: #edf4ff;
  --muted: #aebed7;
  --accent: #42c5ff;
  --accent-strong: #76dcff;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(circle at 80% 0%, #17345b 0, transparent 34rem), var(--background);
  color: var(--text);
  font: 16px/1.65 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
a { color: var(--accent-strong); }
a:hover { color: white; }
.site-header, footer {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.site-header { min-height: 88px; }
.brand { display: flex; align-items: center; gap: .8rem; color: var(--text); font-weight: 750; text-decoration: none; }
.brand img { border-radius: 12px; }
.brand small { display: block; color: var(--muted); font-size: .72rem; font-weight: 650; letter-spacing: .04em; }
nav { display: flex; flex-wrap: wrap; gap: 1.25rem; }
nav a { color: var(--muted); text-decoration: none; }
nav a[aria-current="page"], nav a:hover { color: var(--text); }
main { width: min(calc(100% - 2rem), var(--max)); margin: 0 auto; }
.hero {
  min-height: 590px;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(220px, .6fr);
  align-items: center;
  gap: 4rem;
  padding: 5rem 0;
}
.hero h1, .document h1 { margin: .25rem 0 1.25rem; font-size: clamp(2.8rem, 7vw, 5.8rem); line-height: .98; letter-spacing: -.055em; }
.hero-icon { width: min(100%, 300px); height: auto; justify-self: center; filter: drop-shadow(0 2rem 4rem #020817); }
.eyebrow { color: var(--accent); font-size: .8rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.lede { max-width: 48rem; color: var(--muted); font-size: clamp(1.15rem, 2vw, 1.35rem); }
.actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 2rem; }
.button { display: inline-flex; align-items: center; justify-content: center; padding: .75rem 1.05rem; border: 1px solid var(--border); border-radius: 9px; color: var(--text); background: var(--panel); font-weight: 700; text-decoration: none; }
.button.primary { border-color: var(--accent); background: var(--accent); color: #04101d; }
.section { padding: 5rem 0; border-top: 1px solid var(--border); }
.section h2, .document h2 { margin: .25rem 0 1.5rem; font-size: clamp(2rem, 4vw, 3.25rem); line-height: 1.08; letter-spacing: -.035em; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.cards article, .callout { background: linear-gradient(145deg, var(--panel-soft), var(--panel)); border: 1px solid var(--border); border-radius: 16px; padding: 1.7rem; }
.cards h3 { font-size: 1.25rem; }
.cards p, .split p, .document p, .document li { color: var(--muted); }
.number { display: grid; width: 2.2rem; height: 2.2rem; place-items: center; border-radius: 50%; background: #19395f; color: var(--accent); font-weight: 800; }
.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 4rem; }
.identity { display: grid; grid-template-columns: .9fr 1.1fr; gap: 4rem; }
.identity p { color: var(--muted); }
.callout { display: flex; align-items: center; justify-content: space-between; gap: 2rem; margin: 4rem 0; }
.callout h2 { margin-top: 0; }
code { padding: .15rem .35rem; border-radius: 4px; background: #07101d; color: #9be6ff; }
.document { max-width: 820px; padding: 5rem 0 7rem; }
.document h1 { font-size: clamp(2.8rem, 6vw, 4.8rem); }
.document h2 { margin-top: 3.5rem; font-size: 2rem; }
.document li + li { margin-top: .65rem; }
footer { min-height: 120px; border-top: 1px solid var(--border); color: var(--muted); }

@media (max-width: 760px) {
  .site-header, footer { align-items: flex-start; flex-direction: column; padding: 1.25rem 0; }
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 2rem; padding: 4rem 0; }
  .hero-icon { grid-row: 1; width: 150px; justify-self: start; }
  .cards, .split, .identity { grid-template-columns: 1fr; gap: 1rem; }
  .callout { align-items: flex-start; flex-direction: column; }
}