:root {
  color-scheme: dark;
  --bg: #06080d;
  --bg-soft: #0b0f17;
  --panel: #0e131d;
  --line: #1c2434;
  --line-soft: #161d2a;
  --text: #e9eefb;
  --muted: #9aa7bd;
  --dim: #6b788e;
  --accent: #79a7ff;
  --accent-deep: #3f6fd8;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background:
    radial-gradient(1200px 600px at 50% -280px, #16233d 0%, transparent 70%),
    var(--bg);
  color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 18px 32px;
  border-bottom: 1px solid var(--line-soft);
  background: rgba(6, 8, 13, .82);
  backdrop-filter: blur(12px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: linear-gradient(150deg, #2f5fbe, #1b3566);
  color: #dfe8ff;
  font-size: 15px;
  font-weight: 700;
  box-shadow: inset 0 0 0 1px rgba(121, 167, 255, .35);
}

.nav-links {
  display: flex;
  gap: 22px;
  margin-left: auto;
  font-size: 14px;
  color: var(--muted);
}

.nav-links a:hover { color: var(--text); }

.btn {
  display: inline-block;
  padding: 12px 20px;
  border-radius: 10px;
  background: linear-gradient(180deg, #3f6fd8, #2f57ad);
  color: #f2f6ff;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid #4d7de8;
  box-shadow: 0 6px 24px -12px #3f6fd8;
  transition: transform .15s ease, filter .15s ease;
}

.btn:hover { filter: brightness(1.08); transform: translateY(-1px); }

.btn-small { padding: 8px 14px; font-size: 14px; }

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--text);
  box-shadow: none;
}

.btn-ghost:hover { border-color: #33415c; }

main { max-width: 1080px; margin: 0 auto; padding: 0 32px; }

.hero { padding: 96px 0 40px; text-align: center; }

.pill {
  display: inline-block;
  padding: 5px 14px;
  border: 1px solid #27324a;
  border-radius: 999px;
  background: #0f1521;
  color: #93a7c9;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
}

h1 {
  margin: 26px 0 20px;
  font-size: clamp(2.3rem, 5.6vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 700;
}

.accent {
  background: linear-gradient(100deg, #79a7ff, #a9c6ff 55%, #6f92d8);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lede {
  max-width: 40em;
  margin: 0 auto;
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.15rem);
}

.cta-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin: 32px 0 64px;
}

.facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 840px;
  margin: 0 auto;
  padding: 0;
}

.facts div {
  padding: 20px;
  border: 1px solid var(--line-soft);
  border-radius: 14px;
  background: linear-gradient(180deg, #0d121b, #090d14);
}

.facts dt {
  font-size: 1.35rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.facts dd { color: var(--dim); font-size: 13.5px; }

.section { padding: 76px 0; border-top: 1px solid var(--line-soft); }

.eyebrow {
  color: #6f86ab;
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 34px;
  font-weight: 650;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 14px;
}

.card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(180deg, #0d121c, #0a0e16);
}

.card h3 { font-size: 1.02rem; margin-bottom: 10px; font-weight: 620; }

.card p { color: var(--muted); font-size: 14.5px; }

.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 14px;
  counter-reset: none;
}

.steps li {
  padding: 22px;
  border: 1px solid var(--line-soft);
  border-radius: 14px;
  background: #0a0e16;
}

.step-no {
  display: block;
  color: #4f6f9f;
  font-size: 12px;
  letter-spacing: .16em;
  margin-bottom: 10px;
}

.steps h3 { font-size: .98rem; margin-bottom: 8px; font-weight: 620; }

.steps p { color: var(--muted); font-size: 14px; }

.boundaries { list-style: none; display: grid; gap: 12px; }

.boundaries li {
  padding: 18px 20px;
  border-left: 2px solid #2b4a7d;
  background: linear-gradient(90deg, #0c1220, transparent 70%);
  border-radius: 0 12px 12px 0;
  color: var(--muted);
  font-size: 14.5px;
}

.boundaries strong { color: var(--text); font-weight: 620; }

.cta-panel {
  margin: 20px 0 80px;
  padding: 48px 32px;
  border: 1px solid #23304a;
  border-radius: 20px;
  background:
    radial-gradient(600px 200px at 50% 0%, #16233d, transparent 75%),
    #0a0e16;
  text-align: center;
}

.cta-panel h2 { margin-bottom: 24px; }

.footer {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  padding: 32px;
  border-top: 1px solid var(--line-soft);
  color: var(--dim);
  font-size: 13px;
}

.footer a:hover { color: var(--muted); }

.sep { color: #2b3547; }

@media (max-width: 720px) {
  .nav { padding: 14px 18px; gap: 12px; }
  .nav-links { display: none; }
  main { padding: 0 18px; }
  .hero { padding: 64px 0 32px; }
  .facts { grid-template-columns: 1fr; }
  .section { padding: 56px 0; }
}