:root {
  --navy-950: #030b1d;
  --navy-900: #07142d;
  --navy-800: #0a1f44;
  --cyan: #00c2cb;
  --cyan-soft: #73f5ff;
  --white: #f8fbff;
  --muted: rgba(232, 242, 248, .72);
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--navy-950);
  color: var(--white);
}

.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  display: grid;
  place-items: center;
  isolation: isolate;
  background:
    radial-gradient(circle at 50% 46%, rgba(0, 194, 203, .16), transparent 34%),
    radial-gradient(circle at 72% 34%, rgba(38, 95, 255, .16), transparent 30%),
    linear-gradient(180deg, #07142d 0%, #030b1d 62%, #010613 100%);
}

#dnaCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -3;
}

.hero-noise {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: .13;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(circle at center, black, transparent 74%);
}

.hero-glow {
  position: absolute;
  border-radius: 999px;
  filter: blur(70px);
  z-index: -2;
  pointer-events: none;
}
.hero-glow-a {
  width: 520px;
  height: 520px;
  left: 50%;
  top: 46%;
  transform: translate(-50%, -50%);
  background: rgba(0, 194, 203, .20);
}
.hero-glow-b {
  width: 420px;
  height: 420px;
  right: 8%;
  top: 16%;
  background: rgba(9, 44, 118, .50);
}

.hero-content {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
  text-align: center;
  padding: 120px 0 72px;
}

.eyebrow {
  margin: 0 0 22px;
  color: var(--cyan-soft);
  letter-spacing: .22em;
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 700;
}

h1 {
  margin: 0 auto;
  max-width: 960px;
  font-size: clamp(46px, 7.2vw, 104px);
  line-height: .94;
  letter-spacing: -.07em;
  font-weight: 760;
  text-wrap: balance;
}

.lead {
  margin: 28px auto 0;
  max-width: 760px;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 23px);
  line-height: 1.55;
  letter-spacing: -.02em;
  text-wrap: balance;
}

.hero-actions {
  margin-top: 36px;
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-actions-top {
  position: absolute;
  top: 28px;
  left: 50%;
  transform: translateX(-50%);
  margin: 0;
  z-index: 2;
  padding: 8px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(20px);
  box-shadow: 0 22px 80px rgba(0,0,0,.22);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 750;
  font-size: 15px;
  letter-spacing: -.01em;
  transition: transform .25s ease, border-color .25s ease, background .25s ease, color .25s ease;
  will-change: transform;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  color: #02101f;
  background: linear-gradient(135deg, #7cf8ff, var(--cyan));
  box-shadow: 0 18px 60px rgba(0, 194, 203, .24);
}
.btn-secondary,
.btn-ghost {
  color: var(--white);
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.08);
}
.btn-secondary:hover,
.btn-ghost:hover {
  border-color: rgba(115,245,255,.52);
  background: rgba(115,245,255,.10);
}

@media (max-width: 700px) {
  .hero-content { padding-top: 126px; }
  .hero-actions-top { width: calc(100% - 28px); top: 14px; }
  .hero-actions-top .btn { flex: 1; padding: 0 12px; font-size: 14px; }
}
