:root {
  color-scheme: dark;
  --ink: #f5f3ed;
  --muted: #9a9aa3;
  --line: rgba(255, 255, 255, 0.12);
  --acid: #b9ff4f;
  --violet: #8973ff;
  --panel: rgba(255, 255, 255, 0.035);
}

* { box-sizing: border-box; }

html {
  background: #07080d;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 74% 12%, rgba(137, 115, 255, 0.18), transparent 29rem),
    radial-gradient(circle at 8% 70%, rgba(185, 255, 79, 0.07), transparent 26rem),
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: auto, auto, 80px 80px, 80px 80px;
}

main, footer {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

nav {
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

a { color: inherit; text-decoration: none; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  font-size: 19px;
  font-weight: 750;
  letter-spacing: -0.04em;
}

.brand-mark {
  width: 33px;
  height: 33px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  border: 1px solid rgba(185, 255, 79, 0.55);
  border-radius: 50%;
  box-shadow: inset 0 0 18px rgba(185, 255, 79, 0.08);
}

.brand-mark i {
  display: block;
  width: 2px;
  border-radius: 2px;
  background: var(--acid);
}

.brand-mark i:nth-child(1) { height: 9px; }
.brand-mark i:nth-child(2) { height: 17px; }
.brand-mark i:nth-child(3) { height: 12px; }

.status-link {
  display: flex;
  align-items: center;
  gap: 9px;
  color: #c5c5cc;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 16px var(--acid);
}

.hero {
  padding: 112px 0 90px;
  max-width: 900px;
}

.eyebrow, .section-label {
  color: var(--acid);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

h1 {
  margin: 25px 0 26px;
  font-size: clamp(66px, 10vw, 138px);
  line-height: 0.82;
  letter-spacing: -0.075em;
  font-weight: 780;
}

h1 span {
  color: transparent;
  -webkit-text-stroke: 1px rgba(245, 243, 237, 0.62);
}

.lede {
  max-width: 630px;
  color: #b5b4bd;
  font-size: clamp(18px, 2.1vw, 24px);
  line-height: 1.55;
  letter-spacing: -0.025em;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 42px;
}

.button {
  min-height: 52px;
  padding: 0 23px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.button.primary {
  background: var(--acid);
  color: #0a0c0d;
  border-color: var(--acid);
}

.button.secondary:hover { border-color: rgba(255, 255, 255, 0.35); }

.signal {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

.signal-rail {
  height: 78px;
  display: flex;
  align-items: center;
  gap: clamp(5px, 1.15vw, 15px);
  padding: 0 22px;
  border-bottom: 1px solid var(--line);
}

.signal-rail span {
  display: block;
  flex: 1;
  height: 8px;
  background: linear-gradient(180deg, rgba(185, 255, 79, 0.95), rgba(185, 255, 79, 0.28));
  border-radius: 1px;
}

.signal-rail span:nth-child(4n + 1) { height: 16px; }
.signal-rail span:nth-child(5n + 2) { height: 34px; }
.signal-rail span:nth-child(7n + 3) { height: 53px; background: var(--violet); }
.signal-rail span:nth-child(9n + 5) { height: 25px; }

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.product-grid article {
  min-height: 205px;
  padding: 38px;
  border-right: 1px solid var(--line);
}

.product-grid article:last-child { border-right: 0; }

.number {
  color: #707078;
  font: 11px ui-monospace, SFMono-Regular, Consolas, monospace;
}

.product-grid h2 {
  margin: 66px 0 8px;
  font-size: 24px;
  letter-spacing: -0.04em;
}

.product-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.boundary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  padding: 100px 0 110px;
}

.boundary h2 {
  margin: 14px 0 0;
  font-size: clamp(38px, 5vw, 66px);
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.boundary p {
  margin: 27px 0 0;
  color: #a8a7b0;
  font-size: 16px;
  line-height: 1.75;
}

footer {
  min-height: 88px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--line);
  color: #71717a;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

@media (max-width: 720px) {
  main, footer { width: min(100% - 30px, 1180px); }
  nav { min-height: 76px; }
  .status-link { font-size: 0; }
  .status-link .pulse { display: block; }
  .hero { padding: 78px 0 62px; }
  h1 { font-size: clamp(62px, 21vw, 94px); }
  .lede { font-size: 17px; }
  .actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .signal-rail { padding: 0 12px; gap: 5px; }
  .product-grid { grid-template-columns: 1fr; }
  .product-grid article {
    min-height: 155px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .product-grid article:last-child { border-bottom: 0; }
  .product-grid h2 { margin-top: 35px; }
  .boundary { grid-template-columns: 1fr; gap: 24px; padding: 78px 0; }
  footer { align-items: flex-start; flex-direction: column; justify-content: center; gap: 9px; }
}