:root {
  color-scheme: dark;
  --bg: #090b10;
  --surface: #11151d;
  --line: rgba(255, 255, 255, 0.12);
  --text: #f5f7fb;
  --muted: #9aa3b2;
  --accent: #a7ff4f;
  --accent-dark: #17220d;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 75% 12%, rgba(100, 255, 115, 0.08), transparent 30rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  pointer-events: none;
  content: "";
  opacity: 0.2;
  background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
}

.shell {
  position: relative;
  width: min(1180px, calc(100% - 40px));
  min-height: 100vh;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

.nav, footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav {
  height: 88px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.brand-mark {
  display: grid;
  width: 31px;
  height: 31px;
  place-items: center;
  border-radius: 9px;
  background: var(--accent);
  color: #081005;
  font-size: 14px;
}

.environment {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px var(--accent);
}

main { flex: 1; }

.hero {
  max-width: 880px;
  padding: clamp(90px, 14vw, 176px) 0 clamp(80px, 11vw, 130px);
}

.eyebrow {
  margin: 0 0 25px;
  color: var(--accent);
  font: 600 12px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(58px, 9.2vw, 126px);
  font-weight: 620;
  line-height: 0.88;
  letter-spacing: -0.075em;
}

h1 span { color: var(--accent); }

.lede {
  max-width: 590px;
  margin: 42px 0 0;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.55;
  letter-spacing: -0.02em;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 38px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 12px;
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  font-weight: 650;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.button:hover { transform: translateY(-2px); }
.button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.button-primary { background: var(--accent); color: #071006; }
.button-primary:hover { background: #baff76; }
.button-secondary { border-color: var(--line); background: rgba(255,255,255,.03); }
.button-secondary:hover { border-color: rgba(255,255,255,.28); background: rgba(255,255,255,.06); }

.signal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.signal-grid article {
  min-height: 245px;
  padding: 34px 34px 38px 0;
}

.signal-grid article + article {
  padding-left: 34px;
  border-left: 1px solid var(--line);
}

.number { color: var(--accent); font: 500 11px/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
h2 { margin: 62px 0 12px; font-size: 21px; letter-spacing: -0.035em; }
.signal-grid p { max-width: 290px; margin: 0; color: var(--muted); font-size: 15px; line-height: 1.6; }

footer {
  min-height: 104px;
  gap: 20px;
  color: #737c8b;
  font-size: 12px;
}

@media (max-width: 720px) {
  .shell { width: min(100% - 28px, 1180px); }
  .environment { font-size: 0; }
  .hero { padding-top: 92px; }
  h1 { font-size: clamp(54px, 17vw, 82px); }
  .signal-grid { grid-template-columns: 1fr; }
  .signal-grid article { min-height: 190px; padding: 28px 0; }
  .signal-grid article + article { padding-left: 0; border-top: 1px solid var(--line); border-left: 0; }
  h2 { margin-top: 42px; }
  footer { align-items: flex-start; flex-direction: column; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}