:root {
  --bg: #ffffff;
  --bg-soft: #f7f7f5;
  --border: #e2e0db;
  --text: #1a1a18;
  --muted: #5c5a55;
  --gold: #9a7420;
  --gold-bright: #ffd700;
  --navy: #1a3a6e;
  --navy-deep: #0f2447;
  --max: 1160px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--navy); }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header { background: var(--bg); border-bottom: 1px solid var(--border); }
.site-header .wrap { display: flex; align-items: center; justify-content: center; padding-top: 18px; padding-bottom: 18px; }
.header-logo { height: 96px; width: auto; max-width: 100%; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 50; background: var(--navy); box-shadow: 0 2px 10px rgba(0,0,0,.15); }
.nav ul { list-style: none; display: flex; justify-content: center; flex-wrap: wrap; }
.nav a {
  display: block; padding: 15px 22px; color: #fff; text-decoration: none;
  font-size: .95rem; letter-spacing: .04em; text-transform: uppercase; font-weight: bold;
  transition: background .2s, color .2s;
}
.nav a:hover { background: rgba(255,255,255,.12); }
.nav a.active, .nav a:focus-visible { color: var(--gold-bright); }

/* Hero */
.hero {
  position: relative; color: #fff; text-align: center;
  background: linear-gradient(rgba(10,26,54,.78), rgba(10,26,54,.86)), url("datacenter.avif") center/cover no-repeat;
  padding: 120px 0 130px;
}
.eyebrow {
  display: inline-block; font-size: .8rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--gold-bright); margin-bottom: 18px; font-weight: bold;
}
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); line-height: 1.15; margin-bottom: 22px; }
.hero p { font-size: clamp(1.1rem, 2.2vw, 1.35rem); max-width: 760px; margin: 0 auto 36px; color: #dfe6f2; }
.btn {
  display: inline-block; padding: 14px 30px; border-radius: 4px; font-weight: bold; text-decoration: none;
  letter-spacing: .03em; transition: transform .15s, background .2s, color .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-gold { background: var(--gold); color: #fff; }
.btn-gold:hover { background: #b08528; }
.btn-ghost { border: 2px solid #fff; color: #fff; margin-left: 12px; }
.btn-ghost:hover { background: #fff; color: var(--navy); }

/* Stats strip */
.stats { background: var(--navy-deep); color: #fff; }
.stats .wrap { display: grid; grid-template-columns: repeat(3, 1fr); text-align: center; }
.stat { padding: 30px 12px; border-right: 1px solid rgba(255,255,255,.12); }
.stat:last-child { border-right: 0; }
.stat strong { display: block; font-size: 1.5rem; color: var(--gold-bright); }
.stat span { font-size: .9rem; color: #c3cde0; letter-spacing: .05em; text-transform: uppercase; }

/* Sections */
section { padding: 90px 0; }
section.soft { background: var(--bg-soft); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 54px; }
.section-head .eyebrow { color: var(--gold); }
.section-head h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); color: var(--navy); margin-bottom: 14px; }
.section-head p { color: var(--muted); font-size: 1.1rem; }

/* About */
.about-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 56px; align-items: center; }
.about-grid h3 { font-size: 1.6rem; color: var(--navy); margin-bottom: 16px; }
.about-grid p { margin-bottom: 16px; color: #33322e; }
.org {
  background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 30px;
  box-shadow: 0 8px 30px rgba(15,36,71,.07);
}
.org-parent {
  background: var(--navy); color: #fff; text-align: center; border-radius: 6px; padding: 16px;
  font-weight: bold; letter-spacing: .03em;
}
.org-parent small { display: block; font-weight: normal; color: #c3cde0; font-size: .8rem; margin-top: 2px; }
.org-line { width: 2px; height: 22px; background: var(--gold); margin: 0 auto; }
.org-children { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; border-top: 2px solid var(--gold); padding-top: 18px; position: relative; }
.org-child {
  border: 1px solid var(--border); border-top: 3px solid var(--gold); border-radius: 6px;
  padding: 12px 8px; text-align: center; font-weight: bold; font-size: .92rem; color: var(--navy);
}
.org-child small { display: block; color: var(--muted); font-weight: normal; font-size: .75rem; margin-top: 3px; }

/* Company cards */
.companies { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.company {
  background: #fff; border: 1px solid var(--border); border-radius: 8px; overflow: hidden;
  display: flex; flex-direction: column; transition: transform .2s, box-shadow .2s;
}
.company:hover { transform: translateY(-4px); box-shadow: 0 14px 36px rgba(15,36,71,.12); }
.company-top { background: var(--navy); color: #fff; padding: 28px 28px 24px; position: relative; }
.company-top::after { content: ""; position: absolute; left: 28px; bottom: 0; width: 56px; height: 3px; background: var(--gold-bright); }
.company-icon {
  width: 52px; height: 52px; border-radius: 50%; background: rgba(255,255,255,.12);
  display: grid; place-items: center; margin-bottom: 16px;
}
.company-icon svg { width: 26px; height: 26px; stroke: var(--gold-bright); fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.company-top h3 { font-size: 1.45rem; margin-bottom: 4px; }
.company-top .tag { color: #c3cde0; font-size: .9rem; }
.company-body { padding: 26px 28px 30px; flex: 1; display: flex; flex-direction: column; }
.company-body p { color: #33322e; margin-bottom: 16px; }
.company-body ul { list-style: none; margin-bottom: 24px; }
.company-body li { padding: 6px 0 6px 22px; position: relative; font-size: .95rem; border-bottom: 1px dashed var(--border); }
.company-body li:last-child { border-bottom: 0; }
.company-body li::before { content: ""; position: absolute; left: 2px; top: 14px; width: 8px; height: 8px; background: var(--gold); transform: rotate(45deg); }
.company-link { margin-top: auto; font-weight: bold; color: var(--gold); text-decoration: none; }
.company-link:hover { text-decoration: underline; }

/* Values */
.values { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.value { text-align: center; padding: 10px 12px; }
.value .num { font-size: 2.2rem; font-weight: bold; color: var(--gold); line-height: 1; margin-bottom: 12px; }
.value h4 { color: var(--navy); font-size: 1.1rem; margin-bottom: 8px; }
.value p { color: var(--muted); font-size: .95rem; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.contact-card { background: #fff; border: 1px solid var(--border); border-left: 4px solid var(--navy); border-radius: 6px; padding: 24px 26px; }
.contact-card h4 { color: var(--navy); font-size: 1.15rem; margin-bottom: 4px; }
.contact-card .sub { color: var(--muted); font-size: .88rem; margin-bottom: 14px; }
.contact-card a { display: block; text-decoration: none; padding: 3px 0; word-break: break-word; }
.contact-card a:hover { text-decoration: underline; }
.hq { text-align: center; margin-top: 44px; color: var(--muted); }
.hq strong { color: var(--navy); }

/* Footer */
footer { background: var(--navy-deep); color: #c3cde0; padding: 40px 0; font-size: .9rem; }
footer .wrap { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
footer nav a { color: #fff; text-decoration: none; margin-left: 20px; }
footer nav a:first-child { margin-left: 0; }
footer nav a:hover { color: var(--gold-bright); }

/* Responsive */
@media (max-width: 960px) {
  .companies, .contact-grid { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .values { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .wrap { padding: 0 16px; }
  .header-logo { height: 80px; }
  .nav a { padding: 12px 12px; font-size: .8rem; }
  .hero { padding: 80px 0 90px; }
  .btn-ghost { margin: 12px 0 0; }
  .stats .wrap { grid-template-columns: 1fr; }
  .stat { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.12); padding: 20px 12px; }
  .stat:last-child { border-bottom: 0; }
  section { padding: 64px 0; }
  .values { grid-template-columns: 1fr; }
  .org-children { grid-template-columns: 1fr; }
  footer .wrap { flex-direction: column; text-align: center; }
  footer nav a { margin: 0 10px; }
}