:root {
  --bg: #05060b;
  --bg-2: #0a0c16;
  --ink: #e8ecf4;
  --ink-dim: #9aa3b2;
  --ink-faint: #5c6375;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --accent-1: #7dd3fc;
  --accent-2: #a78bfa;
  --accent-3: #22d3ee;
  --glow: 0 0 60px rgba(125, 211, 252, 0.25);
  --radius: 14px;
  --max: 1200px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --font-sans: "Space Grotesk", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(1000px 600px at 20% -10%, rgba(125, 211, 252, 0.08), transparent 60%),
    radial-gradient(800px 500px at 90% 10%, rgba(167, 139, 250, 0.08), transparent 60%),
    linear-gradient(180deg, #05060b 0%, #070814 50%, #05060b 100%);
  z-index: -3;
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.035;
  mix-blend-mode: overlay;
  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'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  z-index: -2;
}

.aurora {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: -2;
}
.aurora__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.45;
  animation: drift 22s ease-in-out infinite alternate;
}
.aurora__blob--1 {
  width: 520px; height: 520px;
  background: radial-gradient(circle, #38bdf8 0%, transparent 70%);
  top: -160px; left: -120px;
}
.aurora__blob--2 {
  width: 480px; height: 480px;
  background: radial-gradient(circle, #a78bfa 0%, transparent 70%);
  top: 30%; right: -160px;
  animation-duration: 28s;
  animation-delay: -6s;
}
.aurora__blob--3 {
  width: 420px; height: 420px;
  background: radial-gradient(circle, #22d3ee 0%, transparent 70%);
  bottom: -180px; left: 30%;
  animation-duration: 34s;
  animation-delay: -12s;
  opacity: 0.3;
}
@keyframes drift {
  0%   { transform: translate(0, 0) scale(1); }
  50%  { transform: translate(60px, -40px) scale(1.1); }
  100% { transform: translate(-40px, 50px) scale(0.95); }
}

#constellation {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

/* Nav */
.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 22px clamp(20px, 4vw, 40px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  background: rgba(5, 6, 11, 0.55);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease);
}
.nav.scrolled { border-bottom-color: var(--line); }

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
  letter-spacing: -0.01em;
}
.logo-mark {
  display: inline-flex;
  padding: 6px;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(125, 211, 252, 0.12), rgba(167, 139, 250, 0.12));
  border: 1px solid var(--line);
}
.logo-text { font-size: 15px; }

.nav__links {
  display: flex;
  gap: 28px;
}
.nav__links a {
  color: var(--ink-dim);
  text-decoration: none;
  font-size: 14px;
  font-weight: 400;
  transition: color 0.2s var(--ease);
  position: relative;
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
  transition: width 0.3s var(--ease);
}
.nav__links a:hover { color: var(--ink); }
.nav__links a:hover::after { width: 100%; }

@media (max-width: 640px) {
  .nav__links { display: none; }
}

/* Sections */
main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
}

section { padding: clamp(80px, 12vh, 140px) 0; }

.section-head {
  max-width: 720px;
  margin: 0 auto 56px;
  text-align: center;
}
.section-head h2 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 12px 0 16px;
}
.section-head p {
  color: var(--ink-dim);
  font-size: 17px;
}
.kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent-1);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  padding: 4px 10px;
  border: 1px solid rgba(125, 211, 252, 0.25);
  border-radius: 999px;
  background: rgba(125, 211, 252, 0.05);
}

/* Hero */
.hero {
  padding-top: clamp(80px, 14vh, 160px);
  padding-bottom: clamp(60px, 10vh, 120px);
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-dim);
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
  margin-bottom: 28px;
}
.pulse {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.7);
  animation: pulse 2.2s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.7); }
  70%  { box-shadow: 0 0 0 10px rgba(52, 211, 153, 0); }
  100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); }
}

.hero__title {
  font-size: clamp(40px, 7vw, 84px);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.02;
  margin: 0 0 24px;
}
.hero__title .line { display: block; }
.gradient {
  background: linear-gradient(120deg, #7dd3fc 0%, #a78bfa 45%, #22d3ee 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-size: 200% 100%;
  animation: shimmer 6s linear infinite;
}
@keyframes shimmer {
  0%   { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

.hero__lede {
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--ink-dim);
  max-width: 640px;
  margin: 0 auto 36px;
}

.hero__cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 72px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  border-radius: 10px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.25s var(--ease);
  border: 1px solid transparent;
  letter-spacing: -0.005em;
}
.btn--primary {
  background: linear-gradient(135deg, #7dd3fc 0%, #a78bfa 100%);
  color: #0a0c16;
  box-shadow: 0 8px 30px rgba(125, 211, 252, 0.2);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(125, 211, 252, 0.35);
}
.btn--ghost {
  color: var(--ink);
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.02);
}
.btn--ghost:hover {
  border-color: rgba(125, 211, 252, 0.4);
  background: rgba(125, 211, 252, 0.05);
}

/* Metrics */
.hero__metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 820px;
  margin: 0 auto;
  padding-top: 48px;
  border-top: 1px solid var(--line);
}
@media (max-width: 640px) {
  .hero__metrics { grid-template-columns: 1fr; gap: 24px; }
}
.metric {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.metric__num {
  font-family: var(--font-mono);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 400;
  background: linear-gradient(135deg, #e8ecf4 0%, #9aa3b2 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline;
}
.metric__unit {
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.4vw, 24px);
  color: var(--accent-1);
  margin-left: 2px;
}
.metric__label {
  font-size: 13px;
  color: var(--ink-dim);
  margin-top: 8px;
  max-width: 220px;
}

/* Capabilities */
.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
@media (max-width: 860px) { .cards { grid-template-columns: 1fr; } }

.card {
  position: relative;
  padding: 32px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02) 0%, rgba(255, 255, 255, 0) 100%),
    rgba(10, 12, 22, 0.6);
  overflow: hidden;
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  padding: 1px;
  background: linear-gradient(135deg, transparent, rgba(125, 211, 252, 0.2), transparent);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.35s var(--ease);
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
}
.card:hover::before { opacity: 1; }

.card__glow {
  position: absolute;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(125, 211, 252, 0.12) 0%, transparent 65%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  transform: translate(-50%, -50%);
}
.card:hover .card__glow { opacity: 1; }

.card__icon {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(125, 211, 252, 0.12), rgba(167, 139, 250, 0.12));
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-1);
  margin-bottom: 20px;
}
.card h3 {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin: 0 0 10px;
}
.card p {
  color: var(--ink-dim);
  font-size: 15px;
  margin: 0 0 18px;
}
.card__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 6px;
}
.card__list li {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-dim);
  padding-left: 18px;
  position: relative;
}
.card__list li::before {
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 8px; height: 1px;
  background: var(--accent-1);
}

/* Approach */
.approach__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
@media (max-width: 860px) { .approach__grid { grid-template-columns: 1fr; gap: 40px; } }
.approach__copy h2 {
  font-size: clamp(26px, 3.8vw, 40px);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin: 14px 0 20px;
}
.approach__copy p {
  color: var(--ink-dim);
  font-size: 16px;
  margin: 0 0 16px;
}

.term {
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  background: rgba(4, 5, 10, 0.85);
  overflow: hidden;
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(125, 211, 252, 0.08),
    0 0 80px rgba(125, 211, 252, 0.08);
  backdrop-filter: blur(10px);
}
.term__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--line);
}
.term__bar span {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
}
.term__bar span:nth-child(1) { background: #ff5f57; }
.term__bar span:nth-child(2) { background: #febc2e; }
.term__bar span:nth-child(3) { background: #28c840; }
.term__title {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-faint);
  background: transparent !important;
  border-radius: 0 !important;
  width: auto !important;
  height: auto !important;
}
.term__body {
  padding: 18px 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.75;
  color: var(--ink-dim);
  margin: 0;
  white-space: pre-wrap;
}
.t-prompt { color: var(--accent-2); }
.t-cmd { color: var(--ink); }
.t-muted { color: var(--ink-faint); }
.t-ok { color: #34d399; }
.caret {
  display: inline-block;
  width: 8px; height: 14px;
  background: var(--accent-1);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: blink 1.1s steps(2, start) infinite;
}
@keyframes blink { to { visibility: hidden; } }

/* Contact */
.contact__inner {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
  padding: 60px 36px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background:
    radial-gradient(600px 300px at 50% 0%, rgba(125, 211, 252, 0.08), transparent 70%),
    rgba(10, 12, 22, 0.4);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.contact__inner h2 {
  font-size: clamp(26px, 3.8vw, 38px);
  font-weight: 500;
  letter-spacing: -0.025em;
  margin: 14px 0 14px;
}
.contact__inner p {
  color: var(--ink-dim);
  margin: 0 auto 28px;
  max-width: 440px;
}
.contact__actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* Footer */
.foot {
  max-width: var(--max);
  margin: 0 auto;
  padding: 40px clamp(20px, 4vw, 40px) 60px;
  border-top: 1px solid var(--line);
}
.foot__row {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--ink-faint);
  font-family: var(--font-mono);
}
.foot__dot { opacity: 0.5; }

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}