/* Versioned stylesheet: the asset route is immutable for seven days. */
:root {
  --ink: #101c2b;
  --muted: #526171;
  --paper: #f3f7f7;
  --panel: #fff;
  --blue: #1767e8;
  --cyan: #58d8d3;
  --line: #d5e0e3;
  --obsidian: #05070a;
  --ghost: #f8f9fa;
  --gold: #c9962a;
  --gold-dim: rgba(201, 150, 42, 0.22);
  --shadow: 0 24px 70px rgba(16, 28, 43, 0.13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Source Sans 3", Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  line-height: 1.6;
}
a { color: inherit; }
a:focus-visible { outline: 3px solid var(--gold); outline-offset: 4px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; background: #fff; color: var(--ink); padding: 10px; z-index: 10; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgba(5, 7, 10, 0.96);
  border-bottom: 1px solid var(--gold-dim);
  color: var(--ghost);
  backdrop-filter: blur(12px);
}
.nav, main, .footer-inner { width: min(1160px, calc(100% - 40px)); margin: auto; }
.nav { min-height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ghost); text-decoration: none; font-weight: 900; letter-spacing: -0.03em; }
.brand b { color: var(--gold); }
.brand-mark {
  display: grid;
  place-items: end center;
  width: 34px;
  height: 31px;
  padding-bottom: 4px;
  flex: 0 0 auto;
  background: var(--gold);
  color: var(--obsidian);
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
  font-size: 0.72rem;
  font-weight: 950;
  line-height: 1;
}
.nav-links { display: flex; gap: 24px; align-items: center; }
.nav a { text-decoration: none; font-weight: 750; }
.nav-links > a:not(.button) { color: rgba(248, 249, 250, 0.78); }
.nav-links > a:not(.button):hover,
.nav-links > a[aria-current="page"] { color: var(--gold); }

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 48px;
  background: var(--gold);
  color: var(--obsidian);
  border-radius: 10px;
  padding: 14px 20px;
  text-decoration: none;
  font-weight: 850;
  box-shadow: 0 10px 24px rgba(201, 150, 42, 0.22);
}
.button:hover { background: #ddb34e; }
.button.small { min-height: 44px; padding: 10px 16px; }

.hero { min-height: 690px; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 72px; align-items: center; padding: 92px 0; }
.eyebrow { color: var(--blue); font-size: 0.77rem; font-weight: 900; text-transform: uppercase; letter-spacing: 0.17em; }
h1, h2, h3 { margin: 0; line-height: 1.05; letter-spacing: -0.045em; }
h1 { font-size: clamp(3.5rem, 7vw, 6.5rem); }
h2 { font-size: clamp(2.2rem, 4vw, 4rem); }
h3 { font-size: 1.2rem; }
.lead { font-size: 1.2rem; color: var(--muted); max-width: 700px; margin: 28px 0; }

.blueprint { background: #10243e; color: white; border-radius: 32px; padding: 40px; box-shadow: var(--shadow); position: relative; overflow: hidden; }
.blueprint::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(88, 216, 211, 0.11) 1px, transparent 1px), linear-gradient(90deg, rgba(88, 216, 211, 0.11) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
}
.blueprint > p, .blueprint > h2, .asset-map { position: relative; z-index: 1; }
.blueprint h2 { font-size: 2.2rem; max-width: 420px; }
.blueprint p { color: #b9c8d7; }
.asset-map { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 30px; }
.asset-map div { background: rgba(255, 255, 255, 0.1); border: 1px solid rgba(88, 216, 211, 0.34); border-radius: 14px; padding: 18px; }
.asset-map strong { display: block; }
.asset-map small { color: #c6d4df; }

.section { padding: 90px 0; border-top: 1px solid var(--line); }
.section-head { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 80px; margin-bottom: 42px; }
.section p, .cards p, .article p, .article li { font-size: 1.08rem; color: var(--muted); }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cards article { background: var(--panel); border: 1px solid var(--line); border-radius: 20px; padding: 30px; }
.cards span { display: inline-grid; place-items: center; width: 34px; height: 34px; background: #dff7f4; border-radius: 10px; color: var(--blue); font-weight: 900; }
.cards h3 { margin: 18px 0 9px; }
.callout { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 40px; padding: 58px; background: white; border: 1px solid var(--line); border-radius: 28px; margin-bottom: 90px; }
.callout p { color: var(--muted); max-width: 720px; }

.article { max-width: 896px; padding: 86px 0 120px; }
.article h1 { font-size: clamp(3.1rem, 6vw, 5.5rem); }
.article h2 { font-size: 2.1rem; margin-top: 55px; }
.checklist { list-style: none; padding: 0; }
.checklist li { background: white; border: 1px solid var(--line); border-radius: 12px; padding: 17px 18px; margin: 10px 0; }
.checklist li::before { content: "□"; color: var(--blue); font-weight: 900; margin-right: 12px; }
.note { padding: 24px; border-left: 5px solid var(--cyan); background: white; }

.site-footer { border-top: 1px solid var(--line); }
.footer-inner { padding: 30px 0 46px; display: flex; justify-content: space-between; gap: 20px; color: var(--muted); font-size: 0.9rem; }
.footer-inner nav { display: flex; gap: 18px; }
.footer-inner a { text-decoration: none; font-weight: 700; }

@media (max-width: 850px) {
  .hero, .section-head { grid-template-columns: 1fr; }
  .hero { padding: 64px 0; }
  .cards { grid-template-columns: 1fr 1fr; }
  .callout { grid-template-columns: 1fr; }
  .nav-links > a:first-child { display: none; }
}

@media (max-width: 560px) {
  .nav, main, .footer-inner { width: min(100% - 28px, 1160px); }
  .nav { gap: 12px; }
  .brand { gap: 8px; font-size: 0.82rem; line-height: 1.1; }
  .brand-mark { width: 30px; height: 28px; }
  .button.small { font-size: 0.875rem; }
  .cards, .asset-map { grid-template-columns: 1fr; }
  .blueprint, .callout { padding: 30px; }
  .footer-inner { flex-direction: column; }
}