:root {
  --bg-0: #05060c;
  --bg-1: #0a0f24;
  --bg-2: #131a3a;
  --ink-0: #ffffff;
  --ink-1: rgba(255, 255, 255, 0.78);
  --ink-2: rgba(255, 255, 255, 0.55);
  --ink-3: rgba(255, 255, 255, 0.35);
  --cyan: #5bc8ff;
  --cyan-glow: rgba(91, 200, 255, 0.45);
  --indigo: #6a7bff;
  --violet: #9b6bff;
  --hair: rgba(255, 255, 255, 0.08);
  --glass: rgba(255, 255, 255, 0.04);
  --radius: 22px;
  --radius-sm: 14px;
  --max: 1180px;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", system-ui, sans-serif;
  background: var(--bg-0);
  color: var(--ink-0);
  line-height: 1.55;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Aurora background */
body::before {
  content: "";
  position: fixed;
  inset: -20%;
  background:
    radial-gradient(60% 50% at 20% 10%, rgba(106, 123, 255, 0.35), transparent 60%),
    radial-gradient(50% 40% at 80% 15%, rgba(155, 107, 255, 0.30), transparent 60%),
    radial-gradient(70% 50% at 50% 85%, rgba(91, 200, 255, 0.25), transparent 60%),
    linear-gradient(180deg, #05060c 0%, #0a0f24 60%, #05060c 100%);
  z-index: -2;
  pointer-events: none;
  filter: blur(20px);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.04 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  z-index: -1;
  pointer-events: none;
  opacity: 0.6;
}

a { color: var(--cyan); text-decoration: none; transition: opacity 0.15s; }
a:hover { opacity: 0.78; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(24px) saturate(140%);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
  background: rgba(5, 6, 12, 0.55);
  border-bottom: 1px solid var(--hair);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--max);
  margin: 0 auto;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--ink-0);
}
.brand-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, #0a0f24, #5bc8ff);
  display: grid;
  place-items: center;
  box-shadow: 0 0 18px rgba(91, 200, 255, 0.35);
}
.nav-links { display: flex; gap: 28px; }
.nav-links a {
  color: var(--ink-1);
  font-size: 14px;
  font-weight: 500;
}
.nav-links a:hover { color: var(--ink-0); opacity: 1; }

/* Hero */
.hero {
  padding: 96px 0 64px;
  text-align: center;
  position: relative;
}
.eyebrow {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--glass);
  border: 1px solid var(--hair);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-1);
  margin-bottom: 28px;
  backdrop-filter: blur(10px);
}
h1 {
  font-size: clamp(40px, 7vw, 80px);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.02;
  margin-bottom: 24px;
  background: linear-gradient(180deg, #ffffff 30%, #9ec3ff 110%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p.lead {
  font-size: clamp(17px, 1.7vw, 21px);
  color: var(--ink-1);
  max-width: 640px;
  margin: 0 auto 40px;
}
.cta-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
}
.btn-primary {
  background: linear-gradient(135deg, var(--cyan), var(--indigo));
  color: #02060f;
  box-shadow: 0 12px 40px var(--cyan-glow);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 50px var(--cyan-glow);
  opacity: 1;
}
.btn-ghost {
  background: var(--glass);
  border-color: var(--hair);
  color: var(--ink-0);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover { background: rgba(255,255,255,0.08); opacity: 1; }

/* Hero device showcase */
.device-row {
  display: flex;
  gap: 28px;
  justify-content: center;
  align-items: flex-end;
  margin-top: 72px;
  flex-wrap: wrap;
}
.device {
  position: relative;
  width: 260px;
  border-radius: 44px;
  padding: 8px;
  background: linear-gradient(160deg, #1a2245, #0a0f24);
  border: 1px solid rgba(255,255,255,0.06);
  box-shadow:
    0 60px 80px -20px rgba(0,0,0,0.7),
    0 0 0 1px rgba(255,255,255,0.05) inset,
    0 0 60px -10px rgba(91, 200, 255, 0.25);
  transition: transform 0.4s cubic-bezier(.2,.8,.2,1);
}
.device img {
  width: 100%;
  display: block;
  border-radius: 36px;
}
.device.lift { transform: translateY(-22px); }
.device:hover { transform: translateY(-6px); }
.device.lift:hover { transform: translateY(-28px); }

/* Section common */
section { padding: 96px 0; position: relative; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 64px; }
.section-head h2 {
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 16px;
}
.section-head p {
  font-size: 18px;
  color: var(--ink-1);
}

/* Features */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}
.feature {
  padding: 32px;
  border-radius: var(--radius);
  background: var(--glass);
  border: 1px solid var(--hair);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: transform 0.2s, border-color 0.2s, background 0.2s;
}
.feature:hover {
  transform: translateY(-3px);
  border-color: rgba(91, 200, 255, 0.25);
  background: rgba(91, 200, 255, 0.04);
}
.feature .icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(91,200,255,0.18), rgba(106,123,255,0.18));
  border: 1px solid rgba(91,200,255,0.25);
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  color: var(--cyan);
}
.feature h3 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.feature p { color: var(--ink-1); font-size: 15px; }

/* How it works */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  counter-reset: step;
}
.step {
  padding: 28px;
  border-radius: var(--radius);
  background: var(--glass);
  border: 1px solid var(--hair);
  position: relative;
}
.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--cyan);
  display: block;
  margin-bottom: 12px;
}
.step h3 { font-size: 18px; font-weight: 700; margin-bottom: 6px; letter-spacing: -0.01em; }
.step p { color: var(--ink-1); font-size: 14px; }

/* Pricing */
.pricing {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  max-width: 900px;
  margin: 0 auto;
}
.tier {
  padding: 36px 28px;
  border-radius: var(--radius);
  background: var(--glass);
  border: 1px solid var(--hair);
  backdrop-filter: blur(20px);
  text-align: center;
}
.tier.featured {
  border-color: rgba(91,200,255,0.4);
  background: linear-gradient(180deg, rgba(91,200,255,0.08), rgba(91,200,255,0.02));
  box-shadow: 0 20px 60px -20px rgba(91,200,255,0.3);
  position: relative;
}
.tier.featured::after {
  content: "Best value";
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--cyan), var(--indigo));
  color: #02060f;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.tier h3 { font-size: 18px; font-weight: 700; color: var(--ink-1); margin-bottom: 12px; }
.price { font-size: 44px; font-weight: 800; letter-spacing: -0.03em; margin-bottom: 4px; }
.price .per { font-size: 14px; font-weight: 500; color: var(--ink-2); letter-spacing: 0; }
.tier .note { color: var(--ink-2); font-size: 13px; margin-top: 14px; }

/* FAQ */
.faq-list { max-width: 760px; margin: 0 auto; display: grid; gap: 12px; }
details.faq {
  background: var(--glass);
  border: 1px solid var(--hair);
  border-radius: var(--radius-sm);
  padding: 18px 22px;
  cursor: pointer;
  transition: border-color 0.2s;
}
details.faq[open] { border-color: rgba(91,200,255,0.25); }
details.faq summary {
  list-style: none;
  font-weight: 600;
  font-size: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  letter-spacing: -0.01em;
}
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after {
  content: "+";
  color: var(--cyan);
  font-size: 24px;
  font-weight: 300;
  transition: transform 0.2s;
}
details.faq[open] summary::after { transform: rotate(45deg); }
details.faq p {
  margin-top: 12px;
  color: var(--ink-1);
  font-size: 15px;
}

/* Footer */
footer {
  padding: 60px 0 40px;
  border-top: 1px solid var(--hair);
  margin-top: 60px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a { color: var(--ink-2); font-size: 14px; }
.footer-links a:hover { color: var(--ink-0); opacity: 1; }
.footer-copy { color: var(--ink-3); font-size: 13px; }

/* Legal pages */
.legal {
  max-width: 760px;
  margin: 0 auto;
  padding: 80px 24px 60px;
}
.legal h1 {
  font-size: clamp(34px, 5vw, 52px);
  text-align: left;
  margin-bottom: 6px;
}
.legal .updated {
  color: var(--ink-2);
  font-size: 14px;
  margin-bottom: 40px;
}
.legal h2 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-top: 40px;
  margin-bottom: 12px;
  color: var(--ink-0);
}
.legal h3 {
  font-size: 17px;
  font-weight: 600;
  margin-top: 24px;
  margin-bottom: 8px;
  color: var(--ink-1);
}
.legal p, .legal li {
  color: var(--ink-1);
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 12px;
}
.legal ul { padding-left: 24px; margin-bottom: 16px; }
.legal li { margin-bottom: 6px; }
.legal strong { color: var(--ink-0); font-weight: 600; }
.legal a { border-bottom: 1px solid rgba(91, 200, 255, 0.35); }

@media (max-width: 720px) {
  .hero { padding: 64px 0 40px; }
  section { padding: 64px 0; }
  .device { width: 220px; }
  .device.lift { transform: none; }
  .nav-links { display: none; }
}