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

:root {
  --ink: #07111f;
  --ink-soft: #0c1a2c;
  --paper: #f4f7f8;
  --white: #ffffff;
  --line: rgba(255, 255, 255, 0.14);
  --blue: #3ba7ff;
  --lime: #b7f34a;
  --muted: #9aacbd;
  --mono: 'DM Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: 'Manrope', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 28px 0;
  color: var(--white);
}

.brand { display: inline-flex; align-items: center; gap: 12px; font-size: 1.05rem; letter-spacing: .04em; }
.brand strong { color: var(--blue); font-weight: 600; }
.brand-mark { display: inline-flex; flex-direction: column-reverse; gap: 2px; width: 22px; }
.brand-mark i { display: block; height: 3px; background: var(--blue); }
.brand-mark i:nth-child(1) { width: 100%; }
.brand-mark i:nth-child(2) { width: 75%; }
.brand-mark i:nth-child(3) { width: 48%; }

nav { display: flex; align-items: center; gap: 30px; font-size: .9rem; }
nav a { color: #ccd7e2; transition: color .2s ease; }
nav a:hover, nav a:focus-visible { color: var(--white); }
.nav-cta { padding: 9px 16px; border: 1px solid rgba(255,255,255,.35); border-radius: 3px; }

.hero {
  position: relative;
  min-height: 760px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: 80px;
  padding: 150px max(24px, calc((100vw - 1180px) / 2)) 96px;
  color: var(--white);
  background-color: var(--ink);
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px),
    radial-gradient(circle at 76% 40%, rgba(59,167,255,.12), transparent 30%);
  background-size: 56px 56px, 56px 56px, auto;
}

.hero::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 4px; background: linear-gradient(90deg, var(--blue) 0 62%, var(--lime) 62% 70%, transparent 70%); }
.hero-copy { position: relative; z-index: 1; }
.eyebrow, .section-number { margin: 0 0 24px; font-family: var(--mono); font-size: .74rem; letter-spacing: .13em; text-transform: uppercase; }
.eyebrow { color: #b9c9d7; }
.eyebrow span { display: inline-block; width: 22px; height: 2px; margin: 0 9px 3px 0; background: var(--lime); }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 30px; font-size: clamp(3.6rem, 6.4vw, 6.4rem); font-weight: 500; line-height: .99; letter-spacing: -.065em; }
h1 em, .contact h2 em { color: var(--blue); font-style: normal; }
.hero-intro { max-width: 610px; margin-bottom: 36px; color: #aebdcc; font-size: 1.15rem; line-height: 1.75; }
.hero-actions { display: flex; align-items: center; gap: 32px; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 30px; min-height: 52px; padding: 14px 20px; border-radius: 3px; font-weight: 600; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--ink); background: var(--blue); }
.button-primary:hover { background: #67baff; }
.text-link { color: #d8e1e8; font-size: .92rem; }
.text-link span { margin-left: 10px; color: var(--lime); }

.system-map { position: relative; width: min(100%, 480px); aspect-ratio: 1 / .92; justify-self: end; border: 1px solid var(--line); background: rgba(7,17,31,.62); box-shadow: 0 30px 80px rgba(0,0,0,.3); }
.map-label { position: absolute; top: 20px; left: 22px; color: #6f8497; font: .67rem var(--mono); letter-spacing: .12em; }
.map-node { position: absolute; width: 132px; padding: 13px 14px; border: 1px solid rgba(59,167,255,.55); background: #0a1727; box-shadow: 0 0 26px rgba(59,167,255,.08); }
.map-node::before { content: ''; position: absolute; top: -3px; right: -3px; width: 6px; height: 6px; background: var(--blue); }
.map-node span { display: block; color: #dfeaf2; font: .72rem var(--mono); letter-spacing: .08em; }
.map-node b { color: var(--lime); font: 400 .6rem var(--mono); }
.node-edge { top: 23%; left: 12%; }
.node-platform { top: 43%; right: 10%; }
.node-observe { bottom: 16%; left: 18%; }
.connector { position: absolute; border-top: 1px dashed rgba(183,243,74,.5); transform-origin: left; }
.connector-a { top: 38%; left: 35%; width: 39%; transform: rotate(17deg); }
.connector-b { top: 57%; left: 41%; width: 34%; transform: rotate(132deg); }
.signal { position: absolute; border: 1px solid rgba(59,167,255,.18); border-radius: 50%; }
.signal-a { width: 150px; height: 150px; top: 18%; right: 17%; }
.signal-b { width: 80px; height: 80px; top: 26%; right: 25%; }
.map-status { position: absolute; right: 20px; bottom: 18px; color: #8fa2b4; font: .62rem var(--mono); letter-spacing: .08em; }
.map-status i { display: inline-block; width: 6px; height: 6px; margin-right: 7px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 10px var(--lime); }

.services, .approach, .contact, footer { padding-left: max(24px, calc((100vw - 1180px) / 2)); padding-right: max(24px, calc((100vw - 1180px) / 2)); }
.services { padding-top: 120px; padding-bottom: 130px; }
.section-heading { display: grid; grid-template-columns: .65fr 1fr .85fr; gap: 40px; align-items: end; margin-bottom: 60px; }
.section-number { align-self: start; color: #647384; }
.section-heading h2, .approach h2 { margin-bottom: 0; font-size: clamp(2rem, 3.6vw, 3.7rem); font-weight: 500; line-height: 1.12; letter-spacing: -.05em; }
.section-heading > p:last-child { max-width: 320px; margin-bottom: 4px; color: #647384; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid #cdd5db; border-bottom: 1px solid #cdd5db; }
.service-card { position: relative; min-height: 440px; padding: 42px 38px 40px; border-right: 1px solid #cdd5db; }
.service-card:first-child { border-left: 1px solid #cdd5db; }
.service-index { position: absolute; top: 20px; right: 20px; color: #8996a2; font: .65rem var(--mono); }
.service-icon { display: grid; place-items: center; width: 48px; height: 48px; margin-bottom: 70px; border: 1px solid #b5c1ca; color: #167dcc; font: 1.55rem var(--mono); }
.service-card h3 { margin-bottom: 16px; font-size: 1.3rem; }
.service-card p { min-height: 78px; color: #596a79; }
.service-card ul { margin: 26px 0 0; padding: 20px 0 0; border-top: 1px solid #d8dee3; list-style: none; color: #283a4a; font-size: .88rem; }
.service-card li { padding: 4px 0; }
.service-card li::before { content: '+'; margin-right: 10px; color: #1684d8; font-family: var(--mono); }

.approach { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; padding-top: 110px; padding-bottom: 110px; color: var(--white); background: var(--ink-soft); }
.approach .section-number { color: var(--blue); }
.approach-detail { padding-top: 48px; }
.approach-detail > p { max-width: 610px; color: #b4c0cc; font-size: 1.05rem; line-height: 1.8; }
.principles { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 42px; }
.principles span { padding: 8px 13px; border: 1px solid #35475a; border-radius: 50px; color: #d7e0e8; font: .72rem var(--mono); letter-spacing: .06em; text-transform: uppercase; }

.contact { display: flex; align-items: end; justify-content: space-between; gap: 50px; padding-top: 100px; padding-bottom: 100px; color: var(--ink); background: var(--blue); }
.contact .eyebrow { color: #153654; }
.contact .eyebrow span { background: var(--ink); }
.contact h2 { margin-bottom: 0; font-size: clamp(2.7rem, 5.5vw, 5.4rem); font-weight: 500; line-height: 1.04; letter-spacing: -.06em; }
.contact h2 em { color: var(--white); }
.button-light { flex-shrink: 0; border: 1px solid rgba(7,17,31,.4); background: rgba(255,255,255,.9); }
.button-light:hover { background: var(--white); }

footer { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 30px; padding-top: 28px; padding-bottom: 28px; color: #8ea0b1; background: var(--ink); font: .72rem var(--mono); }
footer p { margin: 0; }
footer p:last-child { justify-self: end; }
.brand-footer { color: var(--white); font-family: var(--sans); }

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

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 170px; }
  .system-map { justify-self: start; width: 100%; max-width: 580px; }
  .section-heading { grid-template-columns: 1fr; gap: 14px; }
  .section-heading > p:last-child { max-width: 520px; }
  .service-grid { grid-template-columns: 1fr; border: 0; }
  .service-card, .service-card:first-child { min-height: auto; border: 1px solid #cdd5db; border-bottom: 0; }
  .service-card:last-child { border-bottom: 1px solid #cdd5db; }
  .service-icon { margin-bottom: 42px; }
  .service-card p { min-height: 0; }
  .approach { grid-template-columns: 1fr; gap: 20px; }
  .approach-detail { padding-top: 0; }
  .contact { align-items: start; flex-direction: column; }
  footer { grid-template-columns: 1fr 1fr; }
  footer p:nth-child(2) { display: none; }
}

@media (max-width: 620px) {
  .site-header { width: calc(100% - 36px); padding-top: 22px; }
  nav > a:not(.nav-cta) { display: none; }
  .hero { padding: 140px 18px 72px; gap: 54px; }
  h1 { font-size: clamp(3.1rem, 16vw, 4.4rem); }
  .hero-intro { font-size: 1rem; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 22px; }
  .system-map { aspect-ratio: 1 / 1.08; }
  .map-node { width: 115px; padding: 11px; }
  .services { padding: 86px 18px 92px; }
  .service-card { padding: 38px 26px; }
  .approach, .contact { padding: 80px 18px; }
  .button-light { width: 100%; justify-content: space-between; }
  footer { padding: 26px 18px; }
}