:root {
  --bg: #07090f;
  --panel: #0f1422;
  --panel-2: #141a2b;
  --line: rgba(255, 255, 255, 0.08);
  --text: #e8ecf4;
  --muted: #9aa3b8;
  --teal: #5eead4;
  --violet: #a78bfa;
  --grad: linear-gradient(100deg, var(--teal), var(--violet));
  --radius: 16px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; }
code { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; }

.glow { position: fixed; z-index: -1; width: 60vw; height: 60vw; border-radius: 50%; filter: blur(120px); opacity: 0.22; pointer-events: none; }
.glow-a { background: var(--violet); top: -30vw; right: -15vw; }
.glow-b { background: var(--teal); top: 20vh; left: -35vw; opacity: 0.12; }

/* Navigation */
.nav {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 24px;
  max-width: 1200px; margin: 0 auto; padding: 18px 24px;
  backdrop-filter: blur(12px);
  background: rgba(7, 9, 15, 0.6);
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 700; font-size: 20px; letter-spacing: -0.02em; }
.brand.small { font-size: 16px; }
.nav-links { display: flex; gap: 28px; margin-left: auto; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 15px; }
.nav-links a:hover { color: var(--text); }

/* Buttons */
.btn {
  display: inline-block; padding: 13px 22px; border-radius: 999px;
  background: var(--grad); color: #07090f; font-weight: 600; text-decoration: none;
  box-shadow: 0 8px 30px rgba(167, 139, 250, 0.25);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 12px 40px rgba(167, 139, 250, 0.35); }
.btn-small { padding: 9px 16px; font-size: 14px; }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--line); box-shadow: none; }
.btn-ghost:hover { border-color: rgba(255, 255, 255, 0.25); box-shadow: none; }

/* Hero */
.hero {
  display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center;
  max-width: 1200px; margin: 0 auto; padding: 72px 24px 96px;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; margin: 0 0 20px;
  padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px;
  color: var(--muted); font-size: 13px; background: rgba(255, 255, 255, 0.03);
}
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 12px var(--teal); }
h1 { font-size: clamp(38px, 5.4vw, 64px); line-height: 1.04; letter-spacing: -0.035em; margin: 0 0 22px; font-weight: 800; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lede { color: var(--muted); font-size: 18px; max-width: 560px; margin: 0 0 32px; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; }
.trust { display: flex; flex-wrap: wrap; gap: 8px 22px; list-style: none; padding: 0; margin: 32px 0 0; color: var(--muted); font-size: 14px; }
.trust li::before { content: "✓"; color: var(--teal); margin-right: 8px; }

/* Product mock */
.window { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5); overflow: hidden; }
.window-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--panel-2); }
.window-bar span { width: 10px; height: 10px; border-radius: 50%; background: #2a3147; }
.window-bar em { margin-left: 10px; font-style: normal; color: var(--muted); font-size: 13px; }
.window-body { padding: 20px; display: grid; gap: 18px; }
.chat { display: grid; gap: 10px; }
.bubble { padding: 11px 14px; border-radius: 12px; font-size: 14px; max-width: 88%; }
.bubble.you { justify-self: end; background: rgba(167, 139, 250, 0.16); border: 1px solid rgba(167, 139, 250, 0.3); }
.bubble.bot { background: var(--panel-2); border: 1px solid var(--line); color: #cfd6e4; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.steps li { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--line); font-size: 14px; color: var(--muted); position: relative; }
.steps code { margin-left: auto; font-size: 12px; color: #7d87a0; }
.steps .n { width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: 12px; background: #1b2236; color: var(--muted); }
.steps .done { color: var(--text); }
.steps .done .n { background: rgba(94, 234, 212, 0.15); color: var(--teal); }
.steps .active { color: var(--text); border-color: rgba(167, 139, 250, 0.5); background: rgba(167, 139, 250, 0.07); }
.steps .active .n { background: var(--grad); color: #07090f; }
.pulse { position: absolute; left: 0; bottom: 0; height: 2px; width: 40%; background: var(--grad); animation: progress 2.4s ease-in-out infinite; border-radius: 2px; }
@keyframes progress { 0% { width: 10%; } 70% { width: 85%; } 100% { width: 10%; } }

/* Sections */
.section { max-width: 1200px; margin: 0 auto; padding: 80px 24px; border-top: 1px solid var(--line); }
.kicker { color: var(--teal); font-size: 13px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; margin: 0 0 12px; }
h2 { font-size: clamp(28px, 3.4vw, 42px); line-height: 1.12; letter-spacing: -0.03em; margin: 0 0 40px; max-width: 760px; }
.cards { display: grid; gap: 18px; }
.cards.three { grid-template-columns: repeat(3, 1fr); }
.cards.assays { grid-template-columns: repeat(4, 1fr); }
.card { background: linear-gradient(180deg, var(--panel), rgba(15, 20, 34, 0.4)); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.card h3 { margin: 0 0 8px; font-size: 18px; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.icon { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 18px; background: rgba(94, 234, 212, 0.1); color: var(--teal); font-size: 18px; }
.assay { display: flex; flex-direction: column; gap: 6px; }
.tag { margin-top: auto; padding-top: 16px; font: 12px ui-monospace, "SF Mono", Menlo, Consolas, monospace; color: var(--violet); }
.fine { color: var(--muted); margin: 28px 0 0; }

.pricing { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.pricing h2 { margin-bottom: 18px; }
.pricing-copy p:last-child { color: var(--muted); font-size: 17px; }
.price-points { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.price-points li { display: grid; gap: 2px; padding: 20px 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.price-points span { color: var(--muted); font-size: 15px; }

.final { text-align: center; }
.final h2 { margin: 0 auto 14px; }
.final p { color: var(--muted); max-width: 560px; margin: 0 auto 30px; }

.footer { max-width: 1200px; margin: 0 auto; padding: 36px 24px 48px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 12px 28px; align-items: center; color: var(--muted); font-size: 14px; }
.footer p { margin: 0; }
.footer .copy { margin-left: auto; }

@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; padding-top: 40px; }
  .cards.three, .cards.assays, .pricing { grid-template-columns: 1fr 1fr; }
  .cards.three { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav { padding: 14px 16px; gap: 12px; }
  .nav-links { display: none; }
  .btn-small { margin-left: auto; }
  .hero, .section { padding-left: 16px; padding-right: 16px; }
  .section { padding-top: 56px; padding-bottom: 56px; }
  .cards.assays, .pricing { grid-template-columns: 1fr; }
  .footer .copy { margin-left: 0; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .pulse { animation: none; } .btn { transition: none; } }
.sprite { position: absolute; }
.hero-demo { margin: 0; }