:root {
  --ink: #07182d;
  --ink-soft: #3f5067;
  --surface: #ffffff;
  --surface-soft: #f2f6fa;
  --line: #dbe5ee;
  --blue: #176bff;
  --cyan: #37d5ed;
  --container: 1180px;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.skip-link { position: fixed; top: -80px; left: 20px; z-index: 99; background: #fff; color: #07182d; padding: 10px 14px; border-radius: 8px; }
.skip-link:focus { top: 16px; }

.site-header { position: absolute; inset: 0 0 auto; z-index: 10; color: #fff; }
.solid-header { position: static; color: var(--ink); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.96); }
.header-inner { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark { width: 34px; height: 34px; position: relative; display: inline-grid; place-items: center; }
.brand-mark span { position: absolute; width: 21px; height: 7px; border: 2px solid var(--cyan); border-radius: 999px; transform: rotate(-42deg); }
.brand-mark span:nth-child(2) { transform: rotate(-42deg) translate(7px, 7px); border-color: #fff; }
.solid-header .brand-mark span:nth-child(2) { border-color: var(--blue); }
.brand-mark span:nth-child(3) { transform: rotate(-42deg) translate(-7px, -7px); opacity: .65; }
.brand-copy { display: grid; line-height: 1; }
.brand-copy strong { font-size: 1.05rem; letter-spacing: .22em; }
.brand-copy small { margin-top: 7px; font-size: .65rem; letter-spacing: .08em; opacity: .74; }
nav { display: flex; gap: 30px; }
nav a, .back-link { text-decoration: none; font-size: .88rem; font-weight: 650; opacity: .84; transition: opacity 160ms var(--ease-out); }
nav a:hover, nav a:focus-visible, .back-link:hover { opacity: 1; }

.hero { min-height: 760px; position: relative; display: grid; align-items: end; color: #fff; overflow: hidden; background: var(--ink); }
.hero-backdrop { position: absolute; inset: 0; background: url('/assets/hero-infrastructure.jpg') center/cover no-repeat; transform: scale(1.02); }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(3,15,32,.96) 0%, rgba(3,18,42,.85) 48%, rgba(3,23,55,.40) 100%); }
.hero::after { content: ""; position: absolute; inset: auto 0 0; height: 210px; background: linear-gradient(180deg, transparent, rgba(3,15,32,.68)); }
.hero-content { position: relative; z-index: 1; padding-block: 185px 115px; }
.eyebrow, .section-kicker { color: var(--cyan); font-size: .75rem; font-weight: 800; letter-spacing: .19em; text-transform: uppercase; }
.hero h1 { max-width: 900px; margin: 18px 0 22px; font-size: clamp(3rem, 7vw, 6.7rem); line-height: .96; letter-spacing: -.055em; }
.hero-summary { max-width: 720px; margin: 0; color: rgba(255,255,255,.78); font-size: clamp(1rem, 2vw, 1.24rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.button { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; padding: 0 21px; border-radius: 999px; text-decoration: none; font-weight: 750; transition: transform 160ms var(--ease-out), background 160ms var(--ease-out); }
.button:active { transform: scale(.97); }
.button-primary { background: var(--cyan); color: #062037; }
.button-primary:hover { background: #71e7f6; }
.button-secondary { border: 1px solid rgba(255,255,255,.30); background: rgba(255,255,255,.08); color: #fff; backdrop-filter: blur(12px); }
.button-secondary:hover { background: rgba(255,255,255,.15); }

.section { padding-block: 115px; }
.section-muted { background: var(--surface-soft); }
.split-layout { display: grid; grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr); gap: 100px; align-items: start; }
.section h2 { margin: 12px 0 0; font-size: clamp(2.2rem, 4.4vw, 4.5rem); line-height: 1.02; letter-spacing: -.045em; }
.intro-copy { padding-top: 30px; color: var(--ink-soft); font-size: 1.08rem; }
.intro-copy p:first-child { margin-top: 0; }
.section-heading { max-width: 760px; margin-bottom: 48px; }
.section-heading > p:last-child { max-width: 650px; color: var(--ink-soft); font-size: 1.06rem; }
.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.card { min-height: 255px; padding: 30px; border: 1px solid var(--line); border-radius: 22px; background: #fff; box-shadow: 0 20px 55px rgba(22,48,76,.06); }
.card-index { color: var(--blue); font-size: .78rem; font-weight: 850; letter-spacing: .14em; }
.card h3 { margin: 52px 0 10px; font-size: 1.5rem; letter-spacing: -.025em; }
.card p { margin: 0; max-width: 460px; color: var(--ink-soft); }
.contact { background: var(--ink); color: #fff; }
.contact-panel { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr); gap: 60px; align-items: end; }
.contact h2 { max-width: 760px; }
.contact p:not(.section-kicker) { color: rgba(255,255,255,.67); }
.contact-link { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 21px 0; border-bottom: 1px solid rgba(255,255,255,.28); color: #fff; text-decoration: none; font-weight: 700; }
.contact-link span { color: var(--cyan); font-size: 1.5rem; }

footer { padding-block: 38px; background: #041120; color: rgba(255,255,255,.74); }
.footer-grid { display: flex; justify-content: space-between; align-items: start; gap: 36px; }
.footer-grid strong { color: #fff; font-size: .82rem; letter-spacing: .05em; }
.footer-grid p { margin: 5px 0 0; font-size: .85rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 22px; }
.footer-links a { color: rgba(255,255,255,.76); font-size: .83rem; text-decoration: none; }
.footer-links a:hover { color: #fff; }

.legal-page { background: var(--surface-soft); }
.legal-content { max-width: 850px; padding-block: 86px 110px; }
.legal-content h1 { margin: 8px 0 0; font-size: clamp(2.6rem, 6vw, 5rem); line-height: 1; letter-spacing: -.05em; }
.legal-content .updated { color: var(--ink-soft); margin-bottom: 54px; }
.legal-content h2 { margin-top: 38px; font-size: 1.28rem; letter-spacing: -.02em; }
.legal-content p { color: var(--ink-soft); }
.legal-content a { color: var(--blue); }

@media (max-width: 780px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  nav { display: none; }
  .hero { min-height: 700px; }
  .hero-content { padding-block: 165px 76px; }
  .section { padding-block: 78px; }
  .split-layout, .contact-panel { grid-template-columns: 1fr; gap: 34px; }
  .intro-copy { padding-top: 0; }
  .cards { grid-template-columns: 1fr; }
  .card { min-height: 220px; }
  .card h3 { margin-top: 42px; }
  .footer-grid { flex-direction: column; }
  .legal-content { padding-block: 64px 86px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}