:root {
  --ink: #e9f7ef;
  --muted: #9fb7ac;
  --dim: #5f766d;
  --bg: #07110f;
  --panel: rgba(12, 28, 24, 0.76);
  --panel-strong: rgba(15, 42, 34, 0.92);
  --line: rgba(145, 255, 196, 0.18);
  --green: #74f6a7;
  --mint: #b9ffd2;
  --amber: #e6c36b;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.38);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 10%, rgba(116, 246, 167, 0.18), transparent 30rem),
    radial-gradient(circle at 88% 4%, rgba(230, 195, 107, 0.12), transparent 24rem),
    linear-gradient(135deg, #06100e 0%, #0a1713 45%, #030806 100%);
  font-family: "Source Serif 4", Georgia, serif;
  overflow-x: hidden;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.22;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 240 240' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.32'/%3E%3C/svg%3E");
}

.signal-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(116, 246, 167, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(116, 246, 167, 0.055) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.8), transparent 78%);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  width: min(1180px, calc(100% - 36px));
  margin: 18px auto 0;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(4, 14, 11, 0.76);
  backdrop-filter: blur(18px);
  box-shadow: 0 16px 60px rgba(0,0,0,.24);
}

.brand, nav a, .button { font-family: "IBM Plex Mono", ui-monospace, monospace; }
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-size: 0.9rem;
  letter-spacing: .02em;
  font-weight: 600;
}
.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #03110b;
  background: linear-gradient(135deg, var(--green), var(--amber));
  box-shadow: 0 0 34px rgba(116, 246, 167, .42);
}
nav { display: flex; gap: 6px; }
nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: .78rem;
  padding: 9px 12px;
  border-radius: 999px;
  transition: color .2s ease, background .2s ease;
}
nav a:hover { color: var(--mint); background: rgba(116,246,167,.08); }

main { width: min(1180px, calc(100% - 36px)); margin: 0 auto; }
.hero {
  min-height: 760px;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(330px, .78fr);
  align-items: center;
  gap: clamp(34px, 6vw, 88px);
  padding: 66px 0 72px;
}
.eyebrow, .section-kicker {
  margin: 0 0 18px;
  color: var(--green);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .16em;
}
h1, h2, h3 { margin: 0; }
h1, h2 { font-family: "Fraunces", Georgia, serif; letter-spacing: -.055em; line-height: .94; }
h1 { max-width: 880px; font-size: clamp(4rem, 9vw, 8.8rem); }
h2 { font-size: clamp(2.5rem, 6vw, 5.8rem); }
h3 { font-size: 1.45rem; line-height: 1.05; }
.hero-lede {
  max-width: 700px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 1.8vw, 1.35rem);
  line-height: 1.7;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  text-decoration: none;
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .02em;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.button:hover { transform: translateY(-2px); }
.primary { color: #03110b; background: linear-gradient(135deg, var(--green), var(--amber)); border-color: transparent; }
.secondary { color: var(--ink); background: rgba(255,255,255,.035); }

.hero-panel {
  position: relative;
  min-height: 560px;
  border: 1px solid var(--line);
  border-radius: 36px;
  background: linear-gradient(180deg, rgba(18,44,35,.76), rgba(4,13,10,.86));
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,.08);
  overflow: hidden;
}
.hero-panel::before {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(116,246,167,.14);
  border-radius: 26px;
}
.panel-topline { position: absolute; left: 28px; top: 24px; display:flex; gap:7px; }
.panel-topline span { width: 9px; height: 9px; border-radius: 50%; background: rgba(116,246,167,.5); }
.radar {
  position: absolute;
  width: 420px;
  height: 420px;
  left: 50%;
  top: 49%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
}
.radar-ring { position: absolute; inset: 0; border: 1px solid rgba(116,246,167,.22); border-radius: 50%; }
.r2 { inset: 70px; }
.r3 { inset: 140px; }
.radar::before, .radar::after { content:""; position:absolute; background: rgba(116,246,167,.16); }
.radar::before { width: 1px; height: 100%; left: 50%; }
.radar::after { height: 1px; width: 100%; top: 50%; }
.radar-sweep {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(from 0deg, rgba(116,246,167,.38), transparent 52deg, transparent 360deg);
  animation: sweep 7s linear infinite;
}
.node { position:absolute; width: 11px; height: 11px; border-radius:50%; background: var(--green); box-shadow: 0 0 24px var(--green); }
.n1 { left: 74%; top: 28%; }
.n2 { left: 34%; top: 66%; }
.n3 { left: 55%; top: 48%; background: var(--amber); box-shadow: 0 0 24px var(--amber); }
.n4 { left: 22%; top: 36%; }
@keyframes sweep { to { transform: rotate(360deg); } }
.telemetry-card {
  position: absolute;
  min-width: 210px;
  padding: 14px 16px;
  border: 1px solid rgba(116,246,167,.2);
  border-radius: 18px;
  background: rgba(3, 12, 9, .72);
  backdrop-filter: blur(16px);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
}
.telemetry-card strong { display: block; font-size: .8rem; color: var(--mint); }
.telemetry-card span { display:block; margin-top: 7px; color: var(--muted); font-size: .72rem; }
.one { left: 28px; top: 92px; }
.two { right: 24px; bottom: 98px; }
.three { left: 48px; bottom: 46px; }

.section { padding: 92px 0; }
.intro h2 { max-width: 760px; }
.cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 42px;
}
.card {
  min-height: 300px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--panel);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.05);
}
.card:nth-child(even) { transform: translateY(28px); }
.card-index { font-family:"IBM Plex Mono", monospace; color: var(--amber); font-size:.76rem; }
.card h3 { margin-top: 76px; }
.card p { color: var(--muted); line-height: 1.6; font-size: 1.02rem; }
.split {
  display: grid;
  grid-template-columns: .9fr 1fr;
  gap: 70px;
  align-items: start;
}
.process-list { display: grid; gap: 12px; }
.process-step {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 22px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255,255,255,.025);
}
.process-step span { color: var(--green); font-family:"IBM Plex Mono", monospace; font-weight: 600; }
.process-step p { margin: 0; color: var(--muted); line-height: 1.65; }
.proof-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 28px;
  overflow: hidden;
  background: var(--line);
}
.proof-strip div { padding: 28px; background: var(--panel-strong); }
.proof-strip strong { display:block; font-size: 1.2rem; }
.proof-strip span { display:block; margin-top: 10px; color: var(--muted); line-height: 1.55; }
.contact-card {
  position: relative;
  overflow: hidden;
  padding: clamp(32px, 7vw, 74px);
  border: 1px solid var(--line);
  border-radius: 36px;
  background: linear-gradient(135deg, rgba(116,246,167,.14), rgba(230,195,107,.08) 42%, rgba(10,24,20,.9));
  box-shadow: var(--shadow);
}
.contact-card::after {
  content: "";
  position: absolute;
  width: 360px;
  height: 360px;
  right: -120px;
  top: -130px;
  border-radius: 50%;
  border: 1px solid rgba(116,246,167,.22);
  box-shadow: 0 0 0 70px rgba(116,246,167,.035), 0 0 0 140px rgba(116,246,167,.025);
}
.contact-card h2, .contact-card p, .contact-card a { position: relative; z-index: 1; }
.contact-card p { max-width: 640px; color: var(--muted); line-height:1.7; font-size:1.12rem; }
footer {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 30px 0 46px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--dim);
  font-family:"IBM Plex Mono", monospace;
  font-size: .78rem;
}

@media (max-width: 920px) {
  .site-header { align-items:flex-start; border-radius: 24px; }
  nav { display:none; }
  .hero, .split { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding-top: 62px; }
  .hero-panel { min-height: 460px; }
  .cards, .proof-strip { grid-template-columns: 1fr; }
  .card:nth-child(even) { transform:none; }
  .card { min-height: 230px; }
  .card h3 { margin-top: 46px; }
}
@media (max-width: 560px) {
  main, .site-header, footer { width: min(100% - 24px, 1180px); }
  h1 { font-size: clamp(3.2rem, 18vw, 4.6rem); }
  .hero-panel { min-height: 380px; border-radius: 26px; }
  .radar { width: 330px; height: 330px; }
  .telemetry-card { min-width: 170px; }
  .two { right: 12px; }
  .process-step { grid-template-columns: 1fr; }
  footer { flex-direction: column; }
}