:root {
  color-scheme: dark;
  --ink: #071726;
  --ink-soft: #0b2235;
  --panel: rgba(13, 43, 65, .72);
  --line: rgba(156, 205, 218, .18);
  --text: #f4f8f9;
  --muted: #a5bac3;
  --accent: #2dd4bf;
  --accent-bright: #70f1dd;
  --blue: #63a9ff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background:
    radial-gradient(circle at 78% 16%, rgba(45, 212, 191, .11), transparent 28rem),
    radial-gradient(circle at 18% 80%, rgba(99, 169, 255, .08), transparent 32rem),
    var(--ink);
  color: var(--text);
  font-family: "Manrope", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.5), transparent 75%);
  opacity: .28;
}

a { color: inherit; }
.page-shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; position: relative; }
.topbar {
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 13px; text-decoration: none; }
.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 2px solid var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 24px rgba(45, 212, 191, .16);
}
.brand-mark span { font-size: .68rem; font-weight: 800; letter-spacing: -.04em; }
.brand-name { font-size: 1.25rem; font-weight: 800; letter-spacing: .04em; }
.brand-name span { color: var(--accent); }
.status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: .83rem;
  font-weight: 600;
  letter-spacing: .04em;
}
.status span { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 14px var(--accent); }

.hero {
  min-height: 650px;
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  gap: 70px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding: 74px 0;
}
.eyebrow {
  margin: 0 0 22px;
  color: var(--accent);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 780px;
  margin-bottom: 28px;
  font-size: clamp(3.2rem, 7vw, 6.6rem);
  line-height: .98;
  letter-spacing: -.065em;
  font-weight: 700;
}
h1 em { color: var(--accent-bright); font-style: normal; }
.lead { max-width: 660px; margin-bottom: 42px; color: #c4d3d8; font-size: clamp(1.05rem, 1.6vw, 1.28rem); line-height: 1.75; }
.hero-note { display: flex; align-items: center; gap: 18px; }
.hero-note p { margin: 0; color: var(--muted); font-size: .9rem; }
.note-index, .module-number { color: var(--accent); font-size: .74rem; font-weight: 800; letter-spacing: .12em; }

.visual {
  aspect-ratio: 1;
  max-width: 430px;
  justify-self: end;
  position: relative;
  display: grid;
  place-items: center;
  border-radius: 50%;
}
.visual::before {
  content: "";
  position: absolute;
  inset: 15%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(45, 212, 191, .18), rgba(45, 212, 191, .025) 50%, transparent 72%);
  filter: blur(3px);
}
.orbit { position: absolute; border: 1px solid rgba(112, 241, 221, .34); border-radius: 50%; }
.orbit-one { inset: 3%; }
.orbit-two { inset: 20%; border-style: dashed; animation: spin 28s linear infinite reverse; }
.radar-line {
  position: absolute;
  width: 48%;
  height: 1px;
  left: 50%;
  top: 50%;
  transform-origin: left center;
  background: linear-gradient(to right, var(--accent), transparent);
  animation: spin 8s linear infinite;
}
.visual-center {
  width: 132px;
  height: 132px;
  display: grid;
  place-content: center;
  text-align: center;
  position: relative;
  z-index: 1;
  border: 1px solid rgba(112, 241, 221, .45);
  border-radius: 50%;
  background: rgba(7, 23, 38, .74);
  box-shadow: 0 0 55px rgba(45, 212, 191, .18);
}
.visual-center strong { font-size: 1.45rem; letter-spacing: .12em; }
.visual-center span { color: var(--accent); font-weight: 700; }
.point { position: absolute; width: 9px; height: 9px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 18px var(--accent); }
.point-a { top: 16%; right: 19%; }
.point-b { bottom: 20%; left: 10%; background: var(--blue); box-shadow: 0 0 18px var(--blue); }
.point-c { top: 42%; left: 2%; width: 6px; height: 6px; }

.modules { padding: 110px 0 100px; }
.section-heading { display: grid; grid-template-columns: .7fr 1.3fr; gap: 30px; align-items: end; margin-bottom: 48px; }
.section-heading .eyebrow { margin-bottom: 7px; }
h2 { margin: 0; font-size: clamp(2rem, 4vw, 3.6rem); line-height: 1.12; letter-spacing: -.045em; }
.module-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.module-card {
  min-height: 310px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(145deg, rgba(17, 52, 76, .72), rgba(9, 31, 48, .54));
  transition: transform .25s ease, border-color .25s ease;
}
.module-card:hover { transform: translateY(-5px); border-color: rgba(45, 212, 191, .48); }
.module-card h3 { margin-bottom: 12px; font-size: 1.5rem; }
.module-card p { margin: 0; color: var(--muted); font-size: .94rem; }
.module-state { width: fit-content; color: #c8dadf; font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }

footer {
  min-height: 120px;
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 40px;
  align-items: center;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .82rem;
}
footer span { color: var(--text); font-weight: 800; letter-spacing: .08em; }
footer p { margin: 0; }

@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .orbit-two, .radar-line { animation: none; } .module-card { transition: none; } }

@media (max-width: 820px) {
  .page-shell { width: min(100% - 28px, 680px); }
  .topbar { height: 82px; }
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 48px; padding: 70px 0 78px; }
  .visual { width: min(82vw, 380px); justify-self: center; order: -1; }
  .section-heading { grid-template-columns: 1fr; }
  .module-grid { grid-template-columns: 1fr; }
  .module-card { min-height: 240px; }
  footer { grid-template-columns: 1fr auto; padding: 28px 0; }
  footer p:nth-of-type(1) { grid-column: 1 / -1; grid-row: 2; }
}

@media (max-width: 520px) {
  .status { font-size: 0; gap: 0; }
  .status span { width: 10px; height: 10px; }
  h1 { font-size: clamp(3rem, 15vw, 4.3rem); }
  .visual { width: min(88vw, 330px); }
  .modules { padding: 82px 0 72px; }
  .module-card { min-height: 220px; padding: 24px; }
}