:root {
  color-scheme: dark;
  --bg: #070a12;
  --surface: #0e1422;
  --surface-2: #111a2b;
  --line: #243049;
  --text: #f3f6fb;
  --muted: #9aa8c7;
  --soft: #c8d4ef;
  --blue: #a8c0ff;
  --warm: #fff0bc;
  --ok: #9ee6c8;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: radial-gradient(circle at 72% 10%, rgba(116, 145, 217, 0.18), transparent 28rem), var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

.wrap {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  padding: 132px 0 72px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 44px;
  align-items: center;
}

.hero-shot {
  align-self: center;
}

.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 5;
  padding: 18px 0;
  background: linear-gradient(180deg, rgba(7, 10, 18, 0.88), rgba(7, 10, 18, 0));
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  color: var(--blue);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.04;
}

h1 {
  margin-top: 14px;
  font-size: clamp(56px, 9vw, 120px);
  letter-spacing: 0;
}

h2 {
  font-size: clamp(32px, 5vw, 56px);
}

h3 {
  font-size: 20px;
}

p {
  margin: 0;
}

.lead {
  margin-top: 20px;
  max-width: 690px;
  color: var(--soft);
  font-size: 20px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.pill {
  border: 1px solid rgba(168, 192, 255, 0.34);
  border-radius: 999px;
  padding: 8px 12px;
  background: rgba(14, 20, 34, 0.72);
  color: var(--soft);
  font-size: 13px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0 20px;
  background: var(--text);
  color: #08101d;
  font-weight: 750;
  text-decoration: none;
}

.button.secondary {
  border: 1px solid rgba(168, 192, 255, 0.35);
  background: rgba(7, 10, 18, 0.55);
  color: var(--text);
}

section {
  padding: 74px 0;
}

.section-head {
  display: grid;
  gap: 12px;
  max-width: 780px;
  margin-bottom: 30px;
}

.section-head p {
  color: var(--muted);
  font-size: 17px;
}

.grid {
  display: grid;
  gap: 18px;
}

.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}

.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: start;
}

.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(17, 26, 43, 0.88), rgba(11, 16, 28, 0.88));
  padding: 22px;
}

.card p,
.decision p,
.limits li,
.quality li {
  color: var(--muted);
}

.stat {
  display: grid;
  gap: 6px;
}

.stat strong {
  color: var(--text);
  font-size: 28px;
}

.shot {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #050812;
}

.shot figcaption {
  padding: 12px 14px;
  color: var(--muted);
  font-size: 13px;
}

.diagram {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #070a12;
}

.decision {
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--line);
  padding: 20px 0;
}

.decision:first-child {
  border-top: 0;
}

.kicker {
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.stack {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 12px 24px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.stack dt {
  color: var(--blue);
  font-weight: 800;
}

.stack dd {
  margin: 0;
  color: var(--soft);
}

.quality,
.limits {
  margin: 0;
  padding-left: 18px;
}

.quality li,
.limits li {
  margin: 8px 0;
}

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

.footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 40px;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 760px) {
  .wrap {
    width: min(100% - 28px, 1120px);
  }

  .nav-links {
    display: none;
  }

  .hero {
    padding: 108px 0 40px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .lead {
    font-size: 17px;
  }

  section {
    padding: 52px 0;
  }

  .two,
  .three {
    grid-template-columns: 1fr;
  }

  .stack {
    grid-template-columns: 1fr;
  }
}