:root {
  --bg: #f8fafc;
  --ink: #07070c;
  --muted: #64748b;
  --line: rgba(15,23,42,.12);
  --surface: rgba(255,255,255,.78);
  --purple: #7c3aed;
  --pink: #db2777;
  --cyan: #0891b2;
  --deep: #0a0a0f;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 80% 8%, rgba(124,58,237,.12), transparent 30%),
    radial-gradient(circle at 8% 92%, rgba(8,145,178,.12), transparent 34%),
    linear-gradient(135deg, #fff, #eef5fb);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
body:before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(15,23,42,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(15,23,42,.035) 1px, transparent 1px);
  background-size: 84px 84px;
}
a { color: inherit; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 24px clamp(22px, 5vw, 92px);
  background: rgba(248,250,252,.82);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(15,23,42,.08);
}
.brand { text-decoration: none; display: grid; gap: 3px; }
.brand span { font-weight: 840; letter-spacing: .2em; font-size: 25px; }
.brand small { color: var(--muted); font-size: 12px; }
nav { display: flex; gap: 22px; color: var(--muted); font-size: 14px; }
nav a { text-decoration: none; }
nav a:hover { color: var(--ink); }
.hero {
  min-height: 86vh;
  padding: 104px clamp(22px, 5vw, 96px) 76px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(390px, .7fr);
  gap: 54px;
  align-items: center;
}
.eyebrow {
  color: var(--cyan);
  letter-spacing: .18em;
  text-transform: uppercase;
  font-weight: 820;
  font-size: 12px;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 1050px;
  font-size: clamp(52px, 7.2vw, 118px);
  line-height: .94;
  letter-spacing: -.06em;
  font-weight: 520;
  margin-bottom: 28px;
}
h2 {
  font-size: clamp(34px, 4.4vw, 72px);
  line-height: .98;
  letter-spacing: -.045em;
  font-weight: 520;
}
.hero p, .body-copy p, .insights p, .contact > div p {
  color: #475569;
  font-size: 20px;
  line-height: 1.55;
}
.hero-copy > p:not(.eyebrow) { max-width: 740px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.button {
  appearance: none;
  border: 0;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 48px;
  padding: 0 22px;
  color: white;
  text-decoration: none;
  font-weight: 760;
  background: linear-gradient(100deg, var(--purple), var(--pink), var(--cyan));
  box-shadow: 0 18px 46px rgba(124,58,237,.16);
  cursor: pointer;
}
.button.ghost { color: var(--ink); background: rgba(255,255,255,.72); border: 1px solid var(--line); box-shadow: none; }
.signal-panel {
  min-height: 540px;
  position: relative;
  padding: 30px;
  background: rgba(255,255,255,.68);
  border: 1px solid var(--line);
  box-shadow: 0 30px 100px rgba(15,23,42,.10);
  overflow: hidden;
}
.panel-top { color: var(--cyan); letter-spacing: .16em; font-weight: 850; font-size: 12px; }
.panel-top span { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 10px; background: #22d3ee; box-shadow: 0 0 20px #22d3ee; }
.signal-line { height: 4px; margin: 34px 0; background: linear-gradient(90deg, var(--purple), var(--pink), var(--cyan)); }
.signal-grid { display: grid; gap: 14px; }
.signal-grid article { padding: 22px; border: 1px solid var(--line); background: rgba(255,255,255,.72); }
.signal-grid strong { display: block; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 34px; }
.signal-grid span { color: var(--muted); text-transform: uppercase; letter-spacing: .08em; font-size: 12px; font-weight: 760; }
.map-node { position: absolute; border: 1px solid rgba(8,145,178,.15); background: rgba(255,255,255,.62); padding: 12px 16px; color: #0f172a; font-size: 13px; font-weight: 740; }
.node-a { right: 42px; top: 132px; }
.node-b { right: 86px; bottom: 150px; }
.node-c { left: 44px; bottom: 58px; }
.section { position: relative; padding: 88px clamp(22px, 5vw, 96px); }
.split { display: grid; grid-template-columns: .78fr 1fr; gap: 64px; align-items: start; }
.dark { color: white; background: #080910; }
.dark .eyebrow { color: #22d3ee; }
.dark h2 { color: white; }
.cards { display: grid; gap: 18px; }
.three { grid-template-columns: repeat(3, 1fr); }
.four { grid-template-columns: repeat(4, 1fr); }
.card { padding: 28px; background: rgba(255,255,255,.72); border: 1px solid var(--line); min-height: 230px; }
.card span { color: var(--cyan); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; font-weight: 820; }
.card h3 { font-size: 27px; margin: 18px 0 12px; }
.card p { color: var(--muted); line-height: 1.5; }
.process { display: grid; gap: 14px; margin: 0; padding: 0; list-style: none; }
.process li { display: grid; grid-template-columns: 180px 1fr; gap: 24px; padding: 22px; border: 1px solid rgba(148,163,184,.20); background: rgba(255,255,255,.05); }
.process strong { color: white; font-size: 22px; }
.process span { color: #cbd5e1; line-height: 1.45; }
.principles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}
.principles span {
  min-height: 68px;
  display: flex;
  align-items: center;
  padding: 16px 18px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.65);
  color: #334155;
  font-size: 15px;
  font-weight: 720;
}
.insights { display: flex; justify-content: space-between; gap: 40px; align-items: center; background: rgba(255,255,255,.48); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.insights p { max-width: 720px; }
.contact { display: grid; grid-template-columns: .62fr 1fr; gap: 56px; }
.form { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; padding: 24px; background: rgba(255,255,255,.72); border: 1px solid var(--line); }
label { display: grid; gap: 7px; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .09em; font-weight: 760; }
input, select, textarea {
  width: 100%;
  border: 1px solid rgba(15,23,42,.14);
  background: rgba(255,255,255,.78);
  padding: 13px 14px;
  color: var(--ink);
  font: inherit;
}
.wide { grid-column: 1 / -1; }
.form-status { grid-column: 1 / -1; margin: 0; color: var(--muted); }
.site-footer { display: flex; justify-content: center; gap: 20px; padding: 30px; color: var(--muted); border-top: 1px solid var(--line); font-size: 13px; }
@media (max-width: 900px) {
  nav { display: none; }
  .hero, .split, .contact { grid-template-columns: 1fr; }
  .three, .four, .principles { grid-template-columns: 1fr; }
  .signal-panel { min-height: 460px; }
  .insights { align-items: start; flex-direction: column; }
  .form { grid-template-columns: 1fr; }
}