:root {
  --night: #0b1020;
  --night-2: #111832;
  --panel: #17213e;
  --ink: #f5f7fb;
  --muted: #aeb8d0;
  --line: rgba(255,255,255,.14);
  --blue: #69d7ff;
  --amber: #ffbf69;
  --green: #75e6b6;
  --paper: #f4f1e8;
  --dark-text: #111827;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(105,215,255,.18), transparent 32rem),
    radial-gradient(circle at 85% 20%, rgba(255,191,105,.12), transparent 30rem),
    var(--night);
  line-height: 1.55;
}

a { color: inherit; text-decoration: none; }
.page-shell { width: min(1180px, calc(100% - 36px)); margin: 0 auto; }

.topbar {
  min-height: 86px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 28px;
}
.identity { display: inline-flex; align-items: center; gap: 14px; font-size: 18px; letter-spacing: -.02em; }
.orbit-logo {
  position: relative;
  width: 44px;
  height: 44px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
}
.orbit-logo::before {
  content: "";
  position: absolute;
  inset: 7px -5px;
  border: 2px solid var(--blue);
  border-radius: 50%;
  transform: rotate(-28deg);
  opacity: .9;
}
.orbit-logo span { width: 12px; height: 12px; background: var(--amber); border-radius: 50%; box-shadow: 0 0 28px var(--amber); }
.main-nav { display: flex; align-items: center; gap: 10px; }
.main-nav a { color: var(--muted); padding: 10px 13px; border-radius: 999px; font-weight: 700; font-size: 14px; }
.main-nav a:hover { color: var(--ink); background: rgba(255,255,255,.08); }

.hero {
  display: grid;
  grid-template-columns: 1fr 390px;
  gap: 26px;
  align-items: stretch;
  padding: 42px 0 26px;
}
.hero-panel {
  position: relative;
  overflow: hidden;
  min-height: 570px;
  padding: clamp(34px, 6vw, 68px);
  border: 1px solid var(--line);
  border-radius: 38px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.08), rgba(255,255,255,.02)),
    var(--night-2);
}
.hero-panel::after {
  content: "";
  position: absolute;
  width: 340px;
  height: 340px;
  right: -110px;
  bottom: -90px;
  border: 1px solid rgba(105,215,255,.28);
  border-radius: 50%;
  box-shadow: inset 0 0 0 48px rgba(105,215,255,.04), inset 0 0 0 96px rgba(255,255,255,.025);
}
.kicker, .section-label {
  margin: 0 0 18px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .18em;
  text-transform: uppercase;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 860px;
  margin-bottom: 24px;
  font-size: clamp(44px, 8vw, 90px);
  line-height: .9;
  letter-spacing: -.075em;
}
h2 { margin-bottom: 18px; font-size: clamp(32px, 5vw, 58px); line-height: .98; letter-spacing: -.055em; }
h3 { margin-bottom: 8px; font-size: 22px; letter-spacing: -.03em; }
.intro { max-width: 650px; color: var(--muted); font-size: 20px; }
.hero-links { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.btn { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; padding: 0 20px; border-radius: 14px; font-weight: 900; }
.btn-light { color: var(--dark-text); background: var(--paper); }
.btn-line { border: 1px solid var(--line); color: var(--ink); background: rgba(255,255,255,.04); }

.signal-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 38px;
  background: linear-gradient(180deg, rgba(255,255,255,.1), rgba(255,255,255,.035));
}
.signal-title { color: var(--amber); font-weight: 900; letter-spacing: .08em; text-transform: uppercase; font-size: 12px; }
.signal-card ul { list-style: none; padding: 0; margin: 36px 0 0; display: grid; gap: 14px; }
.signal-card li { padding: 17px; border-radius: 20px; background: rgba(255,255,255,.07); border: 1px solid var(--line); }
.signal-card li span { display: block; font-size: 24px; font-weight: 900; letter-spacing: -.035em; }
.signal-card li b { color: var(--muted); font-size: 13px; font-weight: 700; }

.strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 28px;
}
.strip div { padding: 22px; border-radius: 24px; background: var(--paper); color: var(--dark-text); }
.strip strong { display: block; margin-bottom: 4px; font-size: 18px; }
.strip span { color: #59606e; }

.section { padding: 86px 0; border-top: 1px solid var(--line); }
.two-col, .contact-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 54px; align-items: start; }
.body-copy p, .control-intro p, .model-card p, .contact-grid p { color: var(--muted); font-size: 18px; }
.body-copy p:last-child { margin-bottom: 0; }

.control-grid { display: grid; grid-template-columns: 390px 1fr; gap: 34px; }
.control-intro { position: sticky; top: 30px; align-self: start; }
.control-stack { display: grid; gap: 16px; }
.control-stack article {
  display: grid;
  grid-template-columns: 70px 1fr;
  column-gap: 22px;
  padding: 28px;
  border-radius: 28px;
  background: rgba(255,255,255,.07);
  border: 1px solid var(--line);
}
.control-stack article span { color: var(--green); font-size: 32px; font-weight: 900; line-height: 1; }
.control-stack article p { grid-column: 2; color: var(--muted); margin-bottom: 0; }

.model-band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.model-card { padding: 36px; border-radius: 34px; background: var(--paper); color: var(--dark-text); }
.model-card .kicker { color: #936219; }
.model-card p { color: #515866; margin-bottom: 0; }
.model-list { display: grid; gap: 12px; }
.model-list div { display: flex; align-items: center; gap: 16px; padding: 18px; border-radius: 22px; background: rgba(255,255,255,.075); border: 1px solid var(--line); }
.model-list b { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; background: rgba(105,215,255,.14); color: var(--blue); }
.model-list span { color: var(--muted); font-weight: 750; }

.contact-box { display: grid; gap: 8px; padding: 28px; border-radius: 28px; border: 1px solid var(--line); background: rgba(255,255,255,.07); font-style: normal; color: var(--muted); }
.contact-box a { color: var(--blue); font-weight: 900; font-size: 20px; }
.footer { width: min(1180px, calc(100% - 36px)); margin: 0 auto; padding: 30px 0 46px; display: flex; justify-content: space-between; gap: 20px; color: var(--muted); font-size: 14px; }
.footer a { color: var(--ink); font-weight: 800; }
.footer-links { display: inline-flex; gap: 18px; align-items: center; }

@media (max-width: 900px) {
  .main-nav { display: none; }
  .hero, .strip, .two-col, .control-grid, .model-band, .contact-grid { grid-template-columns: 1fr; }
  .hero-panel { min-height: auto; }
  .control-intro { position: static; }
  .control-stack article { grid-template-columns: 1fr; }
  .control-stack article p { grid-column: 1; }
  .footer { flex-direction: column; }
}