:root {
  --bg: #05080a;
  --bg-panel: #0b1519;
  --bg-raised: #0f1e23;
  --border: #172830;
  --border-light: #1f3540;
  --green: #00d48e;
  --green-dim: #009e6a;
  --green-glow: rgba(0, 212, 142, 0.10);
  --slate: #7ab3c0;
  --slate-dim: #3d7280;
  --text: #b8ced4;
  --text-dim: #4a7585;
  --text-bright: #ddeef2;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "DM Sans", sans-serif;
  color: var(--text);
  background: var(--bg);
  letter-spacing: 0.01em;
}
.bg-grid, .bg-ambient-1, .bg-ambient-2 {
  position: fixed; inset: 0; pointer-events: none; z-index: -3;
}
.bg-grid {
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.4;
}
.bg-ambient-1 {
  z-index: -2;
  background: radial-gradient(ellipse 50% 40% at 10% 15%, rgba(0,212,142,.05), transparent);
}
.bg-ambient-2 {
  z-index: -1;
  background: radial-gradient(ellipse 50% 50% at 90% 85%, rgba(122,179,192,.04), transparent);
}
.container { width: min(1200px, calc(100% - 48px)); margin: 0 auto; }
.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(5,8,10,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.wordmark {
  font-family: "Barlow Condensed", sans-serif;
  font-size: 1.9rem; font-weight: 700; letter-spacing: .03em; color: var(--text-bright);
  text-decoration: none;
}
.wordmark .dot { color: var(--green); }
.nav { display: flex; gap: 22px; align-items: center; }
.nav a {
  text-decoration: none; color: var(--text-dim); font-size: .9rem; position: relative; transition: color .2s ease;
}
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: -8px; width: 0; height: 1px; background: var(--green); transition: width .25s ease;
}
.nav a:hover, .nav a.active { color: var(--green); }
.nav a:hover::after, .nav a.active::after { width: 100%; }
.start-btn {
  text-decoration: none; color: var(--green); border: 1px solid var(--green); padding: 10px 14px;
  font-family: "IBM Plex Mono", monospace; letter-spacing: .18em; font-size: .68rem; text-transform: uppercase;
  transition: background .2s ease;
}
.start-btn:hover { background: var(--green-glow); }
main { padding-top: 120px; }
.section { padding: 120px 0; border-top: 1px solid var(--border); }
.section:first-of-type { border-top: none; padding-top: 40px; }
.label {
  font-family: "IBM Plex Mono", monospace;
  letter-spacing: .18em; text-transform: uppercase; color: var(--text-dim); font-size: .72rem;
}
.headline {
  font-family: "Barlow Condensed", sans-serif;
  font-size: clamp(4.5rem, 10vw, 7.5rem);
  letter-spacing: .03em; line-height: .95; margin: 10px 0 16px; color: var(--text-bright);
}
.lead { font-size: 1.25rem; max-width: 560px; color: var(--text); line-height: 1.65; }
.hero-grid {
  display: grid; grid-template-columns: 8fr 4fr; gap: 40px; align-items: center;
}
.hero-accent {
  min-height: 320px; border: 1px solid var(--border); background: var(--bg-panel);
  position: relative;
  background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 36px 36px;
}
.hero-accent::after {
  content: ""; width: 10px; height: 10px; border-radius: 50%;
  background: var(--green); position: absolute; right: 28%; top: 34%; box-shadow: 0 0 20px var(--green-glow);
}
.cta-row { margin-top: 28px; display: flex; gap: 12px; }
.btn-outline {
  text-decoration: none; padding: 12px 14px; border: 1px solid var(--green); color: var(--green);
  font-family: "IBM Plex Mono", monospace; letter-spacing: .18em; font-size: .68rem; text-transform: uppercase;
}
.btn-muted { border-color: var(--border-light); color: var(--text-dim); }
.card-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.card {
  background: var(--bg-panel); border: 1px solid var(--border); padding: 22px; position: relative;
  border-top: 2px solid var(--slate-dim);
  transition: border-color .25s, box-shadow .25s;
}
.card:hover { border-color: var(--green-dim); box-shadow: 0 0 24px var(--green-glow); }
.card::before, .card::after {
  content: ""; position: absolute; width: 14px; height: 14px; border-color: var(--green); border-style: solid;
}
.card::before { top: 8px; left: 8px; border-width: 1px 0 0 1px; }
.card::after { display:none; }
.card .num { font-family: "IBM Plex Mono", monospace; letter-spacing: .18em; color: var(--green); font-size: .72rem; }
.card h3 {
  margin: 10px 0 8px; font-family: "Barlow Condensed", sans-serif; letter-spacing: .03em; color: var(--text-bright); font-size: 2rem;
}
.card p { margin: 0; color: var(--text); }
.page-title {
  font-family: "Barlow Condensed", sans-serif; letter-spacing: .03em; color: var(--text-bright);
  font-size: clamp(3rem, 7vw, 5rem); margin: 0;
}
.page-sub { margin-top: 10px; max-width: 760px; color: var(--text); line-height: 1.7; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-top: 28px; }
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; margin-top: 28px; }
.list { margin: 12px 0 0; padding-left: 18px; color: var(--text); }
.list li { margin-bottom: 6px; }
.lab-item {
  background: var(--bg-panel); border: 1px solid var(--border); border-left: 3px solid var(--green); padding: 18px; margin-top: 12px;
}
.lab-item h3 { margin: 0 0 6px; font-family: "Barlow Condensed", sans-serif; font-size: 2rem; color: var(--text-bright); letter-spacing: .03em; }
.lab-item p { margin: 0; color: var(--text); }
.footer {
  margin-top: 80px; border-top: 1px solid var(--border); background: rgba(11,21,25,.45);
}
.footer-inner { padding: 26px 0 10px; display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: center; gap: 16px; }
.footer .wordmark { font-size: 1.6rem; }
.footer-nav { text-align: center; }
.footer-nav a { color: var(--text-dim); text-decoration: none; margin: 0 8px; font-size: .84rem; }
.footer-email { text-align: right; font-family: "IBM Plex Mono", monospace; letter-spacing: .18em; font-size: .7rem; color: var(--text); }
.footer-bottom {
  border-top: 1px solid var(--border); margin-top: 12px; padding: 10px 0 18px;
  font-family: "IBM Plex Mono", monospace; letter-spacing: .18em; font-size: .62rem; color: var(--text-dim); text-align: center;
}
.reveal { opacity: 0; transform: translateY(16px); animation: fadeUp .6s ease forwards; }
.d1{animation-delay:.08s}.d2{animation-delay:.16s}.d3{animation-delay:.24s}.d4{animation-delay:.32s}
@keyframes fadeUp { to { opacity:1; transform:translateY(0);} }
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; }
  .card-row, .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
  .footer-email { text-align: center; }
}
@media (max-width: 780px) {
  .nav { display: none; }
  .container { width: min(1200px, calc(100% - 28px)); }
  .section { padding: 80px 0; }
}