@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@500;600;700&display=swap');

:root {
  --ink: #0b1620;
  --navy: #0e2233;
  --navy-2: #132d42;
  --blue: #2e7ca6;
  --cyan: #78bdd6;
  --paper: #f4f7f8;
  --white: #ffffff;
  --muted: #62717c;
  --line: #dbe3e7;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "DM Sans", system-ui, sans-serif;
  line-height: 1.65;
}
a { color: inherit; }
.site-header {
  height: 82px;
  padding: 0 max(28px, calc((100vw - var(--max))/2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(244,247,248,.94);
  border-bottom: 1px solid rgba(14,34,51,.09);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  text-decoration: none;
  letter-spacing: .08em;
}
.brand-logo {
  width: 62px;
  height: 52px;
  object-fit: contain;
  display: block;
  flex: 0 0 auto;
}
.brand strong { display: block; font: 700 15px/1 "Manrope"; }
.brand small { display: block; margin-top: 5px; font: 600 9px/1 "Manrope"; color: var(--blue); letter-spacing: .25em; }
nav { display: flex; align-items: center; gap: 28px; }
nav a { text-decoration: none; font-size: 14px; font-weight: 600; }
.nav-cta { padding: 10px 16px; border: 1px solid var(--navy); }

.hero {
  min-height: 690px;
  padding: 110px max(28px, calc((100vw - var(--max))/2));
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(300px, .65fr);
  gap: 90px;
  align-items: center;
  color: var(--white);
  background:
    linear-gradient(115deg, rgba(8,24,37,.97), rgba(13,45,65,.94)),
    radial-gradient(circle at 82% 15%, rgba(120,189,214,.15), transparent 38%);
  position: relative;
  overflow: hidden;
}
.circuit-grid {
  position: absolute; inset: 0;
  opacity: .16;
  background-image:
    linear-gradient(rgba(255,255,255,.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to left, #000, transparent 78%);
}
.hero-copy, .hero-panel { position: relative; z-index: 2; }
.eyebrow, .section-kicker {
  margin: 0 0 22px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
}
h1, h2, h3 { font-family: "Manrope", system-ui, sans-serif; }
h1 {
  margin: 0;
  max-width: 810px;
  font-size: clamp(44px, 6vw, 76px);
  line-height: 1.03;
  letter-spacing: -.045em;
}
.hero-lede { max-width: 760px; margin: 30px 0 0; color: #d6e2e8; font-size: 18px; }
.hero-actions { margin-top: 38px; display: flex; gap: 14px; flex-wrap: wrap; }
.button {
  text-decoration: none;
  padding: 14px 20px;
  font-size: 14px;
  font-weight: 700;
  border: 1px solid rgba(255,255,255,.35);
}
.button.primary { background: var(--white); color: var(--navy); border-color: var(--white); }
.button.secondary { color: var(--white); }

.hero-panel { border-left: 1px solid rgba(255,255,255,.25); padding-left: 40px; }
.hero-panel p { font-family: "Manrope"; font-size: 22px; line-height: 1.35; color: #c7d9e2; }
.hero-panel strong { color: white; }
.board-visual {
  width: 100%; aspect-ratio: 1.08;
  border: 1px solid rgba(255,255,255,.22);
  position: relative;
  background: rgba(255,255,255,.025);
}
.trace, .chip, .node { position: absolute; display: block; }
.trace { height: 1px; background: rgba(120,189,214,.65); transform-origin: left; }
.t1 { width: 74%; left: 8%; top: 25%; }
.t2 { width: 54%; left: 18%; top: 53%; transform: rotate(90deg); }
.t3 { width: 58%; left: 28%; top: 74%; }
.chip { border: 1px solid rgba(255,255,255,.45); background: rgba(8,24,37,.7); }
.c1 { width: 54px; height: 54px; left: 22%; top: 17%; }
.c2 { width: 76px; height: 76px; right: 16%; top: 39%; }
.c3 { width: 45px; height: 45px; left: 27%; bottom: 12%; }
.node { width: 8px; height: 8px; border: 1px solid var(--cyan); border-radius: 50%; background: var(--navy); }
.n1 { left: 7%; top: 24%; }.n2 { right: 17%; top: 24%; }.n3 { left: 27%; top: 73%; }.n4 { right: 11%; top: 73%; }

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 105px 28px;
}
.split {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 90px;
}
h2 {
  margin: 0;
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.12;
  letter-spacing: -.035em;
}
.split p, .partners p { margin: 0; font-size: 17px; color: var(--muted); }
.dark {
  max-width: none;
  padding-left: max(28px, calc((100vw - var(--max))/2));
  padding-right: max(28px, calc((100vw - var(--max))/2));
  background: var(--navy);
  color: var(--white);
}
.dark h2 { max-width: 680px; }
.cards { margin-top: 58px; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255,255,255,.2); }
.cards article { padding: 30px 28px 0 0; min-height: 230px; border-right: 1px solid rgba(255,255,255,.16); }
.cards article + article { padding-left: 28px; }
.cards article:last-child { border-right: 0; }
.cards span { color: var(--cyan); font-size: 11px; font-weight: 700; }
.cards h3 { margin: 25px 0 11px; font-size: 19px; }
.cards p { margin: 0; color: #b9cad4; font-size: 14px; }
.partners { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; border-bottom: 1px solid var(--line); }
.text-link { display: inline-block; margin-top: 24px; color: var(--navy); text-decoration: none; font-weight: 700; }
.contact {
  padding: 100px max(28px, calc((100vw - var(--max))/2));
  background: #e8eef1;
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 90px;
}
.contact h2 { max-width: 690px; }
.contact-details { align-self: end; }
.contact-details a { display: block; margin: 8px 0; font-size: 18px; font-weight: 700; text-decoration: none; }
.placeholder-note { max-width: 430px; color: #8b4b2d; font-size: 13px; }
footer {
  padding: 42px max(28px, calc((100vw - var(--max))/2));
  background: #081823;
  color: #b7c6cf;
  display: grid;
  grid-template-columns: .6fr .65fr 1.35fr;
  gap: 36px;
  align-items: center;
  font-size: 12px;
}
.footer-brand { color: white; }
.footer-brand .brand-logo { width: 48px; height: 42px; }
.legal { text-align: right; }

@media (max-width: 900px) {
  nav a:not(.nav-cta) { display: none; }
  .hero { grid-template-columns: 1fr; gap: 50px; min-height: auto; padding-top: 90px; }
  .hero-panel { max-width: 430px; border-left: 0; padding-left: 0; }
  .split, .partners, .contact { grid-template-columns: 1fr; gap: 40px; }
  .cards { grid-template-columns: 1fr 1fr; }
  .cards article:nth-child(2) { border-right: 0; }
  footer { grid-template-columns: 1fr; }
  .legal { text-align: left; }
}
@media (max-width: 560px) {
  .site-header { height: 70px; }
  .brand-logo { width: 52px; height: 44px; }
  .hero { padding-top: 72px; }
  h1 { font-size: 43px; }
  .cards { grid-template-columns: 1fr; }
  .cards article, .cards article + article { padding: 25px 0; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.16); min-height: auto; }
}
