:root {
  color-scheme: dark;
  --bg: #030712;
  --panel: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.12);
  --text: #f3f7ff;
  --muted: #9bb0cf;
  --accent: #4de1c2;
  --accent-2: #6d7cff;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  line-height: 1.65;
  background: radial-gradient(circle at top left, rgba(109, 124, 255, 0.2), transparent 28%), linear-gradient(135deg, #030712 0%, #07111f 44%, #020617 100%);
  min-height: 100vh;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
.container { width: min(1160px, calc(100% - 2rem)); margin: 0 auto; }

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(3, 7, 18, 0.72);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; padding: 1rem 0; }
.brand { display: inline-flex; align-items: center; gap: 0.8rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.brand img { width: 40px; height: 40px; border-radius: 999px; border: 1px solid var(--border); background: rgba(255,255,255,.08); padding: .25rem; }
.nav-links { display: flex; gap: 1.2rem; color: var(--muted); }
.nav-links a:hover { color: var(--text); }
.nav-toggle { display: none; background: transparent; border: 0; padding: .2rem; cursor: pointer; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--text); margin: 5px 0; }

.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: 5.5rem 0 4rem;
  background: linear-gradient(120deg, rgba(3,7,18,.78), rgba(3,7,18,.35)), url('https://images.unsplash.com/photo-1446776877081-d282a0f896e2?auto=format&fit=crop&w=1600&q=80') center/cover;
  isolation: isolate;
}
.hero::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,0,0,.46), transparent 52%); z-index: -1; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 2rem; align-items: center; }
.eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: .34em; font-size: .82rem; font-weight: 700; margin-bottom: 1rem; }
h1, h2, h3 { line-height: 1.12; margin: 0 0 .8rem; }
h1 { font-size: clamp(2.6rem, 4.7vw, 4.8rem); max-width: 720px; }
h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); }
.hero-text, p { color: var(--muted); }
.hero-actions { display: flex; gap: 1rem; margin-top: 1.6rem; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: .95rem 1.25rem; border-radius: 999px; font-weight: 700; transition: transform 180ms ease, box-shadow 180ms ease; border: 1px solid transparent; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 0 30px rgba(77,225,194,.2); }
.btn-primary { background: linear-gradient(90deg, var(--accent), var(--accent-2)); color: #04111c; }
.btn-secondary { border-color: var(--border); background: rgba(255,255,255,.05); }
.glass { background: rgba(255,255,255,.06); border: 1px solid var(--border); box-shadow: var(--shadow); backdrop-filter: blur(18px); border-radius: 24px; }
.hero-card { padding: 1.4rem; }
.hero-card .pill { display: inline-flex; border-radius: 999px; background: rgba(77,225,194,.13); color: var(--accent); font-weight: 700; padding: .45rem .75rem; margin-bottom: .8rem; font-size: .85rem; }
.hero-card ul { margin: .7rem 0 0; padding-left: 1rem; color: var(--muted); }
.hero-card li + li { margin-top: .5rem; }
.section { padding: 4.5rem 0; position: relative; z-index: 1; }
.alt { background: rgba(255,255,255,.03); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.grid-two { display: grid; grid-template-columns: 1.1fr .9fr; gap: 2rem; align-items: start; }
.stack-card, .timeline, .careers, .contact { padding: 1.4rem; }
.stat { display: flex; align-items: center; justify-content: space-between; padding: .95rem 1rem; border-radius: 16px; background: rgba(255,255,255,.05); border: 1px solid var(--border); margin-bottom: .75rem; }
.stat strong { color: var(--accent); font-size: 1.2rem; }
.card-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; margin-top: 1.3rem; }
.card { padding: 1.2rem; transition: transform 180ms ease, border-color 180ms ease; }
.card:hover { transform: translateY(-4px); border-color: rgba(77,225,194,.45); }
.card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: .8rem; }
.card-badge { font-size: .75rem; text-transform: uppercase; letter-spacing: .24em; color: var(--accent); }
.dot { width: 10px; height: 10px; border-radius: 50%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); box-shadow: 0 0 16px rgba(77,225,194,.4); }
.chip-list { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1rem; }
.chip { display: inline-flex; padding: .8rem 1rem; border: 1px solid var(--border); background: rgba(255,255,255,.04); border-radius: 999px; color: var(--muted); }
.timeline { display: grid; gap: .75rem; }
.timeline-item { display: flex; gap: .8rem; align-items: center; padding: .8rem 1rem; border-radius: 16px; background: rgba(255,255,255,.04); border: 1px solid var(--border); }
.timeline-item span { font-weight: 800; color: var(--accent); min-width: 2rem; }
.vision { text-align: center; }
.vision h2 { margin: 0 auto; max-width: 900px; }
.careers { display: grid; grid-template-columns: 1fr .8fr; gap: 1rem; align-items: center; }
.mini-card { padding: 1.1rem; border-radius: 20px; border: 1px solid var(--border); background: rgba(255,255,255,.04); }
.contact { display: grid; grid-template-columns: .9fr 1.1fr; gap: 1.2rem; }
form { display: grid; gap: .8rem; }
input, textarea { width: 100%; padding: .95rem 1rem; border-radius: 14px; border: 1px solid var(--border); background: rgba(255,255,255,.05); color: var(--text); outline: none; }
input::placeholder, textarea::placeholder { color: #8ca0bf; }
textarea { min-height: 120px; resize: vertical; }
.site-footer { padding: 0 0 2rem; }
.footer { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-top: 1rem; border-top: 1px solid var(--border); }
.footer-brand { display: inline-flex; align-items: center; gap: .7rem; font-weight: 700; }
.footer-links { display: flex; gap: 1rem; color: var(--muted); }

@media (max-width: 920px) {
  .hero-grid, .grid-two, .card-grid, .careers, .contact { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: inline-block; }
  .nav-links { position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; padding: 1rem; background: rgba(3, 7, 18, 0.96); border-bottom: 1px solid var(--border); display: none; }
  .nav-links.is-open { display: flex; }
  .hero { padding-top: 4rem; min-height: auto; }
  .card-grid { grid-template-columns: 1fr 1fr; }
  .footer { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 560px) {
  .card-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  h1 { font-size: 2.4rem; }
}