:root {
  --bg: #07111f;
  --bg-soft: #0d1b2e;
  --card: #10233a;
  --text: #eef5ff;
  --muted: #a9b8cc;
  --line: rgba(255,255,255,.12);
  --primary: #34d399;
  --primary-dark: #16a36d;
  --accent: #60a5fa;
  --white: #fff;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(7,17,31,.82); backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; min-height: 76px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: -.02em; }
.brand-mark {
  width: 42px; height: 42px; display: grid; place-items: center;
  border-radius: 14px; background: linear-gradient(135deg, var(--primary), var(--accent)); color: #06101d;
}
.nav-links { display: flex; align-items: center; gap: 28px; color: var(--muted); font-weight: 600; }
.nav-links a:hover { color: var(--white); }
.nav-cta { color: var(--text) !important; padding: 10px 16px; border: 1px solid var(--line); border-radius: 999px; }
.nav-toggle { display: none; background: transparent; border: 0; color: var(--white); font-size: 28px; }
.hero { padding: 90px 0 70px; background: radial-gradient(circle at 20% 10%, rgba(52,211,153,.20), transparent 34%), radial-gradient(circle at 80% 20%, rgba(96,165,250,.18), transparent 30%); }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 54px; align-items: center; }
.eyebrow { margin: 0 0 12px; color: var(--primary); font-weight: 800; text-transform: uppercase; letter-spacing: .12em; font-size: 13px; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(42px, 6vw, 72px); line-height: .98; letter-spacing: -.06em; margin-bottom: 24px; }
h2 { font-size: clamp(30px, 4vw, 48px); line-height: 1.08; letter-spacing: -.04em; margin-bottom: 0; }
h3 { font-size: 20px; margin-bottom: 10px; }
.hero-text { color: var(--muted); font-size: 18px; max-width: 650px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin: 34px 0; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 14px 20px; border-radius: 14px; font-weight: 800; transition: .2s ease; }
.btn.primary { background: var(--primary); color: #04101d; }
.btn.primary:hover { background: var(--primary-dark); transform: translateY(-2px); }
.btn.secondary { border: 1px solid var(--line); color: var(--text); }
.btn.secondary:hover { background: rgba(255,255,255,.06); transform: translateY(-2px); }
.full { width: 100%; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.stats div { padding: 18px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.04); }
.stats strong { display: block; font-size: 24px; }
.stats span { display: block; color: var(--muted); font-size: 13px; }
.hero-card { border: 1px solid var(--line); border-radius: 32px; background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.03)); overflow: hidden; box-shadow: 0 24px 80px rgba(0,0,0,.28); }
.card-top { height: 16px; background: linear-gradient(90deg, var(--primary), var(--accent)); }
.blueprint { position: relative; min-height: 410px; padding: 30px; background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px); background-size: 32px 32px; }
.blueprint span { position: absolute; border: 1px solid rgba(96,165,250,.55); border-radius: 12px; }
.blueprint span:nth-child(1){ inset: 46px 60px 230px 60px; }
.blueprint span:nth-child(2){ inset: 150px 170px 90px 70px; }
.blueprint span:nth-child(3){ inset: 112px 52px 120px 260px; }
.blueprint span:nth-child(4){ inset: 278px 70px 48px 210px; }
.tower { position: absolute; left: 80px; bottom: 56px; width: 118px; height: 210px; border-radius: 18px 18px 0 0; background: linear-gradient(180deg, rgba(52,211,153,.9), rgba(52,211,153,.25)); }
.tower.small { left: 228px; height: 150px; width: 96px; background: linear-gradient(180deg, rgba(96,165,250,.9), rgba(96,165,250,.25)); }
.pipe { position: absolute; right: 60px; bottom: 86px; width: 160px; height: 14px; border-radius: 999px; background: var(--primary); box-shadow: 0 -44px 0 var(--accent), 0 -88px 0 rgba(255,255,255,.22); }
.bolt { position: absolute; right: 98px; top: 82px; font-size: 46px; }
.hero-card-footer { padding: 24px 28px 30px; border-top: 1px solid var(--line); }
.hero-card-footer p { color: var(--muted); margin: 6px 0 0; }
.section { padding: 86px 0; }
.section-heading { max-width: 680px; margin-bottom: 34px; }
.services-grid, .projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.service-card, .project-card, .contact-card { padding: 28px; border: 1px solid var(--line); border-radius: 24px; background: var(--card); }
.service-card span { color: var(--primary); font-weight: 900; }
.service-card p, .project-card p, .about-text, .contact-section p { color: var(--muted); }
.split-section { background: var(--bg-soft); border-block: 1px solid var(--line); }
.split-grid, .contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 50px; align-items: start; }
.projects-section { background: radial-gradient(circle at 85% 0%, rgba(52,211,153,.12), transparent 30%); }
.contact-section { background: var(--bg-soft); }
.contact-line { display: block; padding: 14px 0; border-bottom: 1px solid var(--line); color: var(--text); }
.contact-card .btn { margin-top: 22px; }
.footer { border-top: 1px solid var(--line); padding: 26px 0; color: var(--muted); }
.footer-content { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer p { margin: 0; }
@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav-links { display: none; position: absolute; left: 20px; right: 20px; top: 78px; padding: 18px; flex-direction: column; align-items: stretch; background: #09182a; border: 1px solid var(--line); border-radius: 18px; }
  .nav-links.open { display: flex; }
  .hero-grid, .split-grid, .contact-grid { grid-template-columns: 1fr; }
  .services-grid, .projects-grid, .stats { grid-template-columns: 1fr; }
  .hero { padding-top: 60px; }
}