:root {
  --ink: #071a2f;
  --ink-soft: #102b43;
  --paper: #f3fbfc;
  --paper-deep: #dceff2;
  --teal: #61ddec;
  --teal-strong: #18b7c9;
  --coral: #ff7a6e;
  --muted: #91a8b5;
  --line: rgba(97, 221, 236, .22);
  --max: 1240px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink);
  color: #eefcfd;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 100;
  padding: .7rem 1rem;
  background: var(--paper);
  color: var(--ink);
  border-radius: .4rem;
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  width: min(calc(100% - 3rem), var(--max));
  min-height: 96px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  text-decoration: none;
  color: var(--teal);
}
.brand-mark { width: 42px; height: 42px; }
.brand span { display: grid; line-height: 1.05; }
.brand strong { color: #fff; font-size: 1.08rem; letter-spacing: .08em; text-transform: uppercase; }
.brand small { margin-top: .32rem; color: var(--muted); font-size: .71rem; letter-spacing: .14em; text-transform: uppercase; }
nav { display: flex; gap: 2.2rem; }
nav a { color: #c8d9e1; font-size: .92rem; text-decoration: none; }
nav a:hover, nav a:focus-visible { color: var(--teal); }

.hero {
  width: min(calc(100% - 3rem), var(--max));
  min-height: 650px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.04fr .96fr;
  align-items: center;
  gap: 4rem;
  padding: 5rem 0 4rem;
}
.eyebrow, .section-number {
  margin: 0 0 1.2rem;
  color: var(--teal);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.eyebrow { display: flex; align-items: center; gap: .7rem; }
.eyebrow span { width: 8px; height: 8px; border-radius: 50%; background: var(--coral); box-shadow: 0 0 0 7px rgba(255,122,110,.12); }
h1, h2, h3, p { text-wrap: pretty; }
h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(3.2rem, 6vw, 6.6rem);
  font-weight: 560;
  letter-spacing: -.065em;
  line-height: .94;
}
.hero-intro {
  max-width: 660px;
  margin: 2rem 0 0;
  color: #b8ccd5;
  font-size: clamp(1.08rem, 1.7vw, 1.3rem);
  line-height: 1.65;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2.4rem; }
.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: .75rem 1.25rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: .94rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--teal); color: var(--ink); }
.button-primary:hover { background: #8ae8f2; }
.button-secondary { border-color: rgba(255,255,255,.18); color: #fff; }
.button-secondary:hover { border-color: var(--teal); }

.signal-panel {
  position: relative;
  min-height: 480px;
  overflow: hidden;
  border: 1px solid rgba(97,221,236,.18);
  border-radius: 44% 44% 12% 44%;
  background: radial-gradient(circle at 50% 48%, rgba(24,183,201,.14), transparent 43%), rgba(13,42,65,.55);
  box-shadow: inset 0 0 70px rgba(6,16,31,.45), 0 30px 90px rgba(0,0,0,.18);
}
.signal-panel svg { position: absolute; inset: 5% 2% 13%; width: 96%; height: 82%; }
.signal-orbit { position: absolute; border: 1px solid rgba(97,221,236,.12); border-radius: 50%; }
.orbit-one { width: 72%; aspect-ratio: 1; left: 14%; top: -6%; }
.orbit-two { width: 94%; aspect-ratio: 1; left: 3%; top: -28%; }
.signal-glow { position: absolute; width: 90px; height: 90px; left: 42%; top: 38%; border-radius: 50%; background: rgba(97,221,236,.15); filter: blur(22px); }
.signal-caption { position: absolute; left: 9%; right: 9%; bottom: 7%; display: flex; align-items: center; gap: 1rem; color: var(--muted); font-size: .76rem; letter-spacing: .08em; text-transform: uppercase; }
.signal-caption strong { color: var(--teal); font-weight: 700; }
.caption-line { height: 1px; flex: 1; background: var(--line); }

.fact-band {
  border-block: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  width: 100%;
}
.fact-band p { margin: 0; padding: 1rem 2rem; color: #a6bbc5; text-align: center; font-size: .77rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.fact-band p + p { border-left: 1px solid var(--line); }

.section {
  width: min(calc(100% - 3rem), var(--max));
  margin: 0 auto;
  padding: 8rem 0;
}
.section-heading { display: grid; grid-template-columns: .45fr 1.55fr; gap: 3rem; margin-bottom: 3.8rem; }
h2 { margin: 0; font-size: clamp(2.4rem, 5vw, 4.7rem); font-weight: 550; letter-spacing: -.045em; line-height: 1.03; }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.focus-card { min-height: 330px; padding: 2.1rem; background: var(--ink); display: flex; flex-direction: column; }
.card-index { color: var(--coral); font-size: .75rem; font-weight: 800; letter-spacing: .16em; }
.focus-card h3 { margin: auto 0 1rem; font-size: 1.45rem; line-height: 1.15; }
.focus-card p { margin: 0; color: #9eb4bf; }

.approach {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7rem;
  border-top: 1px solid var(--line);
}
.approach-copy > p:last-child { max-width: 600px; margin: 2rem 0 0; color: #a9bec7; font-size: 1.08rem; }
.principles { margin: 0; padding: 0; list-style: none; }
.principles li { display: grid; grid-template-columns: 56px 1fr; gap: 1rem; padding: 1.55rem 0; border-top: 1px solid var(--line); }
.principles li:last-child { border-bottom: 1px solid var(--line); }
.principles span { color: var(--coral); font-size: .78rem; font-weight: 800; }
.principles strong { display: block; margin-bottom: .25rem; font-size: 1.15rem; }
.principles p { margin: 0; color: #96aeb9; }

.contact {
  background: var(--paper);
  color: var(--ink);
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 7rem;
  padding: 7rem max(1.5rem, calc((100% - var(--max)) / 2));
}
.contact .section-number { color: #087f91; }
.contact > div > p:last-child { max-width: 520px; color: #4c6674; font-size: 1.06rem; }
.contact-list { border-top: 1px solid rgba(7,26,47,.18); }
.contact-list a { display: grid; grid-template-columns: 150px 1fr auto; gap: 1rem; align-items: center; min-height: 92px; border-bottom: 1px solid rgba(7,26,47,.18); text-decoration: none; }
.contact-list span { color: #5f7783; font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.contact-list strong { font-size: clamp(.95rem, 1.7vw, 1.16rem); overflow-wrap: anywhere; }
.contact-list i { color: #087f91; font-style: normal; font-size: 1.3rem; transition: transform .18s ease; }
.contact-list a:hover i { transform: translate(4px,-4px); }

footer {
  width: min(calc(100% - 3rem), var(--max));
  min-height: 150px;
  margin: 0 auto;
  padding: 2.2rem 0;
  display: grid;
  grid-template-columns: 1.5fr .75fr .9fr;
  gap: 1rem 2rem;
  align-items: start;
  color: #8fa8b4;
  font-size: .8rem;
}
footer p { margin: 0; }
.footer-brand { color: #eaf9fa; font-size: .85rem; font-weight: 800; letter-spacing: .08em; }
.disclaimer { grid-column: 1 / -1; padding-top: 1rem; border-top: 1px solid var(--line); }

:focus-visible { outline: 3px solid var(--coral); outline-offset: 4px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }

@media (max-width: 920px) {
  .hero { grid-template-columns: 1fr; gap: 2rem; padding-top: 4rem; }
  .signal-panel { min-height: 400px; }
  .section-heading, .approach, .contact { grid-template-columns: 1fr; gap: 3rem; }
  .card-grid { grid-template-columns: 1fr; }
  .focus-card { min-height: 240px; }
  footer { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .site-header, .hero, .section, footer { width: min(calc(100% - 2rem), var(--max)); }
  .site-header { min-height: 84px; }
  nav { gap: 1rem; }
  nav a { font-size: .8rem; }
  .brand small { display: none; }
  .brand strong { font-size: .92rem; }
  .hero { min-height: auto; padding: 4.4rem 0 3.2rem; }
  h1 { font-size: clamp(3rem, 15vw, 4.8rem); }
  .signal-panel { min-height: 330px; border-radius: 35% 35% 10% 35%; }
  .signal-caption { gap: .55rem; font-size: .62rem; }
  .fact-band { grid-template-columns: 1fr; }
  .fact-band p + p { border-left: 0; border-top: 1px solid var(--line); }
  .section { padding: 5.5rem 0; }
  .contact { padding-block: 5rem; }
  .contact-list a { grid-template-columns: 1fr auto; padding: 1rem 0; }
  .contact-list span { grid-column: 1 / -1; }
  footer { grid-template-columns: 1fr; }
}