:root{
  --bg:#05070b;
  --panel:#0b1018;
  --blue:#0074ff;
  --blue2:#00d4ff;
  --silver:#d8dde6;
  --muted:#9aa7b8;
  --line:rgba(0,116,255,.35);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Arial, Helvetica, sans-serif;
  color:var(--silver);
  background:radial-gradient(circle at 70% 10%, #0d1f35, var(--bg) 35%, #010204 100%);
  overflow-x:hidden;
}
.hud-bg{
  position:fixed; inset:0; pointer-events:none; opacity:.25;
  background:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg,var(--line) 1px, transparent 1px);
  background-size:60px 60px;
  mask-image:radial-gradient(circle at center, black, transparent 70%);
}
.navbar{
  position:sticky; top:0; z-index:10;
  display:flex; justify-content:space-between; align-items:center;
  padding:18px 7%;
  background:rgba(3,6,10,.75);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.brand{display:flex;align-items:center;gap:12px;font-weight:700;letter-spacing:.5px}
.brand img{width:44px;height:44px;object-fit:cover;border-radius:8px}
nav{display:flex;gap:24px;align-items:center}
nav a{color:var(--silver);text-decoration:none;font-size:14px}
.nav-cta{color:#fff!important;border:1px solid var(--blue);padding:10px 16px;border-radius:30px}
.hero{
  min-height:88vh;
  display:grid; grid-template-columns:1.05fr .95fr; gap:40px;
  align-items:center; padding:80px 7%;
  position:relative;
  overflow:hidden;
}
.hero-bg-video{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:.34;
  z-index:0;
}
.hero-overlay{
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 70% 45%, rgba(0,116,255,.18), transparent 38%),
    linear-gradient(90deg, rgba(5,7,11,.92), rgba(5,7,11,.62), rgba(5,7,11,.88));
  z-index:1;
}
.hero-content,.hero-logo{
  position:relative;
  z-index:2;
}
.eyebrow{color:var(--blue2);text-transform:uppercase;letter-spacing:4px;font-size:12px;font-weight:700}
h1{font-size:clamp(46px,7vw,92px);line-height:.95;margin:12px 0;background:linear-gradient(90deg,#fff,var(--blue));-webkit-background-clip:text;color:transparent}
h2{font-size:clamp(30px,4vw,54px);line-height:1.05;margin:10px 0 20px}
.hero-text,.section p{color:var(--muted);font-size:18px;line-height:1.65}
.hero-actions,.contact-box{display:flex;gap:16px;flex-wrap:wrap;margin-top:28px}
.btn{padding:14px 22px;border-radius:40px;text-decoration:none;font-weight:700}
.primary{background:linear-gradient(90deg,var(--blue),var(--blue2));color:#fff;box-shadow:0 0 35px rgba(0,116,255,.35)}
.secondary{border:1px solid rgba(255,255,255,.22);color:#fff}
.hero-logo{position:relative;display:grid;place-items:center;min-height:420px}
.hero-logo img{width:min(92%,520px);border-radius:22px;box-shadow:0 0 70px rgba(0,116,255,.18);animation:float 5s ease-in-out infinite}
.reactor-ring{position:absolute;width:420px;height:420px;border:1px solid var(--blue);border-radius:50%;box-shadow:0 0 45px rgba(0,116,255,.5);animation:spin 16s linear infinite}
.reactor-ring:before,.reactor-ring:after{content:"";position:absolute;inset:35px;border:1px dashed var(--blue2);border-radius:50%}
.reactor-ring:after{inset:80px;border-style:solid;opacity:.45}
.section{padding:90px 7%;position:relative}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:35px}
.card,.steps div{
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.1);
  border-radius:22px;
  padding:26px;
  box-shadow:inset 0 0 35px rgba(0,116,255,.04);
}
.card h3,.steps h3{color:#fff;margin-top:0}
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.material-list,.work-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.material-list span,.work-grid div{
  border:1px solid rgba(0,116,255,.45);
  background:rgba(0,116,255,.08);
  padding:18px;
  border-radius:16px;
  text-align:center;
}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:35px}
.steps strong{color:var(--blue2);font-size:28px}
.contact{
  text-align:center;
  background:radial-gradient(circle at center,rgba(0,116,255,.16),transparent 55%);
}
.contact-box{justify-content:center}
footer{text-align:center;padding:30px;color:var(--muted);border-top:1px solid rgba(255,255,255,.08)}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes float{50%{transform:translateY(-14px)}}
@media(max-width:900px){
  .navbar{align-items:flex-start;gap:14px}
  nav{display:none}
  .hero,.split{grid-template-columns:1fr}
  .hero{padding-top:50px}
  .cards,.steps{grid-template-columns:1fr}
  .material-list,.work-grid{grid-template-columns:repeat(2,1fr)}
  .reactor-ring{width:320px;height:320px}
}