:root {
  --bg: #141019;
  --surface: #1b1621;
  --surface-2: #211a29;
  --ink: #f5f0e8;
  --ink-2: #b9b1ba;
  --muted: #837a88;
  --line: #342b3c;
  --accent: #9d86ff;
  --teal: #5bb9a8;
  --gold: #dfb66c;
  --danger: #ee8f7f;
  --font-display: "Plus Jakarta Sans", sans-serif;
  --font-ui: "IBM Plex Sans", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-ui);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
p { margin: 0; }
.wrap { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }
.narrow { width: min(860px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 82%, transparent);
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(16px);
}
.nav { min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { font: 700 22px/1 "Space Grotesk", sans-serif; letter-spacing: -.04em; }
.brand i { color: var(--accent); font-style: normal; }
.nav-links { display: flex; align-items: center; gap: 24px; color: var(--ink-2); font-size: 14px; }
.nav-links a:hover { color: var(--ink); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-weight: 600;
  transition: transform .18s, border-color .18s, background .18s;
}
.btn:hover { transform: translateY(-1px); border-color: var(--accent); }
.btn-primary { background: var(--ink); border-color: var(--ink); color: #18131d; }
.btn-primary:hover { background: var(--accent); border-color: var(--accent); }
.btn-quiet { background: var(--surface); }

.hero { padding: clamp(76px, 10vw, 132px) 0 clamp(64px, 8vw, 108px); overflow: hidden; position: relative; }
.hero::before {
  content: "";
  position: absolute;
  width: 780px;
  height: 520px;
  left: 50%;
  top: -260px;
  transform: translateX(-50%);
  border: 1px solid var(--line);
  border-radius: 50%;
  opacity: .65;
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(340px, .92fr); gap: clamp(42px, 7vw, 86px); align-items: center; position: relative; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; color: var(--accent); font: 600 11px/1 var(--font-mono); letter-spacing: .15em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 22px; height: 1px; background: currentColor; }
h1, h2, h3 { font-family: var(--font-display); letter-spacing: -.035em; margin: 0; text-wrap: balance; }
h1 { margin-top: 22px; font-size: clamp(42px, 6.2vw, 76px); line-height: 1.01; }
h2 { font-size: clamp(30px, 4.2vw, 48px); line-height: 1.08; }
h3 { font-size: 20px; line-height: 1.2; }
.lede { margin-top: 26px; max-width: 720px; color: var(--ink-2); font-size: clamp(17px, 2vw, 21px); line-height: 1.65; }
.chips { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 9px; }
.chip { border: 1px solid var(--line); border-radius: 999px; padding: 8px 12px; color: var(--ink-2); font: 500 11px/1 var(--font-mono); }
.hero-actions { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 12px; }

.signal-card { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; box-shadow: 0 28px 80px rgba(0,0,0,.25); }
.signal-head { display: flex; justify-content: space-between; align-items: center; padding: 14px 16px; border-bottom: 1px solid var(--line); font: 600 10px/1 var(--font-mono); letter-spacing: .13em; text-transform: uppercase; color: var(--muted); }
.live { color: var(--teal); }
.signal-body { padding: 20px; }
.signal-label { color: var(--muted); font: 600 10px/1 var(--font-mono); letter-spacing: .15em; text-transform: uppercase; }
.signal-title { margin-top: 10px; font: 650 24px/1.25 var(--font-display); letter-spacing: -.025em; }
.signal-source { margin-top: 8px; color: var(--ink-2); font-size: 13px; }
.signal-flow { margin-top: 24px; display: grid; gap: 10px; }
.signal-row { display: grid; grid-template-columns: 66px 1fr; gap: 12px; padding: 13px; background: var(--surface-2); border: 1px solid var(--line); border-radius: 10px; }
.signal-row b { color: var(--accent); font: 600 10px/1.5 var(--font-mono); letter-spacing: .1em; }
.signal-row span { color: var(--ink-2); font-size: 13px; line-height: 1.5; }

.section { padding: clamp(68px, 8vw, 108px) 0; border-top: 1px solid var(--line); }
.section-intro { max-width: 760px; }
.section-intro p { margin-top: 18px; color: var(--ink-2); font-size: 17px; line-height: 1.68; }
.grid-3 { margin-top: 42px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.card { padding: 24px; border: 1px solid var(--line); background: var(--surface); border-radius: 14px; }
.card .num { display: block; margin-bottom: 22px; color: var(--accent); font: 600 12px/1 var(--font-mono); }
.card p { margin-top: 12px; color: var(--ink-2); font-size: 14.5px; line-height: 1.65; }

.workflow { margin-top: 44px; border-top: 1px solid var(--line); }
.step { display: grid; grid-template-columns: 90px minmax(220px, .7fr) minmax(0, 1.3fr); gap: 28px; padding: 28px 0; border-bottom: 1px solid var(--line); align-items: start; }
.step-no { color: var(--accent); font: 600 12px/1.4 var(--font-mono); }
.step p { color: var(--ink-2); font-size: 15px; line-height: 1.68; }

.split { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(40px, 7vw, 84px); align-items: start; }
.feature-list { display: grid; gap: 12px; }
.feature { padding: 18px 20px; border: 1px solid var(--line); background: var(--surface); border-radius: 12px; }
.feature b { display: block; font: 650 16px/1.3 var(--font-display); }
.feature span { display: block; margin-top: 7px; color: var(--ink-2); font-size: 14px; line-height: 1.55; }

.quote { margin-top: 30px; padding: 26px; border-left: 2px solid var(--accent); background: var(--surface); color: var(--ink-2); font-size: 18px; line-height: 1.65; }
.quote strong { color: var(--ink); }
.faq { margin-top: 38px; display: grid; gap: 12px; }
details { border: 1px solid var(--line); background: var(--surface); border-radius: 12px; padding: 0 20px; }
summary { cursor: pointer; padding: 20px 0; font-weight: 600; }
details p { padding: 0 0 20px; color: var(--ink-2); font-size: 14.5px; line-height: 1.65; }

.cta { padding: clamp(72px, 9vw, 120px) 0; border-top: 1px solid var(--line); text-align: center; }
.cta h2 { max-width: 850px; margin: 0 auto; }
.cta p { max-width: 700px; margin: 20px auto 0; color: var(--ink-2); font-size: 17px; line-height: 1.65; }
.cta .hero-actions { justify-content: center; }
.footer { border-top: 1px solid var(--line); padding: 32px 0 42px; color: var(--muted); font-size: 12px; }
.footer-row { display: flex; justify-content: space-between; gap: 24px; align-items: center; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }

.solution-list { margin-top: 44px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.solution-link { display: block; padding: 26px; border: 1px solid var(--line); background: var(--surface); border-radius: 14px; }
.solution-link:hover { border-color: var(--accent); }
.solution-link small { color: var(--accent); font: 600 10px/1 var(--font-mono); letter-spacing: .14em; text-transform: uppercase; }
.solution-link h2 { margin-top: 14px; font-size: 25px; }
.solution-link p { margin-top: 12px; color: var(--ink-2); line-height: 1.6; }

@media (max-width: 860px) {
  .hero-grid, .split { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .step { grid-template-columns: 56px 1fr; }
  .step p { grid-column: 2; }
  .solution-list { grid-template-columns: 1fr; }
}
@media (max-width: 650px) {
  .nav-links a:not(.btn) { display: none; }
  .nav-links { gap: 8px; }
  .btn { padding: 0 16px; }
  .hero { padding-top: 64px; }
  .footer-row { flex-direction: column; align-items: flex-start; }
}