:root{
  --bg:#07111e;
  --bg2:#0b1d31;
  --panel:#101b2a;
  --panel2:#172437;
  --ink:#f4f8ff;
  --text:#d5e2f1;
  --muted:#9fb1c6;
  --line:rgba(185,215,255,.18);
  --line2:rgba(185,215,255,.32);
  --blue:#38bdf8;
  --blue2:#1688d3;
  --gold:#d8b46a;
  --success:#43d08a;
  --shadow:0 28px 88px rgba(0,0,0,.44);
  --radius:24px;
  --max:1220px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(circle at 15% 0%,rgba(56,189,248,.16),transparent 30%),
    radial-gradient(circle at 80% 12%,rgba(13,91,160,.18),transparent 36%),
    linear-gradient(180deg,#06101b 0%,#081522 46%,#06101b 100%);
  color:var(--text);
  font-family:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  line-height:1.62;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
.site-header{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:14px clamp(18px,4vw,72px);
  background:rgba(4,12,22,.78);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(18px);
}
.brand{display:flex;align-items:center;gap:14px}
.brand img{height:58px;width:auto;object-fit:contain;filter:drop-shadow(0 0 22px rgba(56,189,248,.25))}
.brand span{font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:#fff}
.site-nav{display:flex;align-items:center;gap:20px;font-weight:800;color:#d9e6f5}
.site-nav a:not(.btn){opacity:.9}
.site-nav a:hover{color:#fff}
.menu-toggle{display:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:46px;padding:0 20px;border-radius:999px;
  border:1px solid var(--line2);
  font-weight:900;letter-spacing:.01em;
  transition:.22s ease;
}
.btn-primary{background:linear-gradient(135deg,#117bc5,#38bdf8);color:white;border:0;box-shadow:0 16px 40px rgba(17,123,197,.28)}
.btn-secondary{background:rgba(255,255,255,.06);color:#eff8ff}
.btn:hover{transform:translateY(-2px)}
.hero{
  position:relative;overflow:hidden;
  min-height:76vh;
  display:grid;align-items:center;
  padding:clamp(72px,10vw,132px) clamp(20px,5vw,72px);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(4,10,18,.92),rgba(4,10,18,.68),rgba(4,10,18,.86)),
    url("../images/icu/aitb-real-world-facility-platform.png") center/cover no-repeat;
  opacity:.64;
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0;height:160px;
  background:linear-gradient(180deg,transparent,var(--bg));
}
.hero-content{position:relative;z-index:2;width:min(960px,100%)}
.eyebrow{
  color:var(--blue);
  text-transform:uppercase;
  letter-spacing:.18em;
  font-weight:950;
  font-size:.78rem;
}
h1,h2,h3{margin:0 0 18px;color:var(--ink);line-height:1.05;letter-spacing:-.035em}
h1{font-size:clamp(3rem,7vw,6.8rem)}
h2{font-size:clamp(2.15rem,4.6vw,4.6rem)}
h3{font-size:1.4rem}
.lead{font-size:clamp(1.08rem,2vw,1.35rem);max-width:840px;color:#d8e6f7}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:42px;width:min(860px,100%)}
.metric{
  border:1px solid var(--line2);background:rgba(255,255,255,.065);
  border-radius:24px;padding:22px;box-shadow:var(--shadow)
}
.metric strong{display:block;color:#fff;font-size:2.05rem;line-height:1;font-weight:950}
.metric span{display:block;margin-top:10px;text-transform:uppercase;letter-spacing:.12em;color:#b7c7d8;font-weight:850;font-size:.78rem}
.section{padding:clamp(64px,8vw,112px) clamp(20px,5vw,72px)}
.container,.section-head{width:min(var(--max),100%);margin:0 auto}
.section-head{margin-bottom:34px}
.section-head p{max-width:920px;font-size:1.08rem}
.grid-2{width:min(var(--max),100%);margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}
.panel{
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.035));
  box-shadow:var(--shadow);
  overflow:hidden;
}
.panel-pad{padding:clamp(22px,3vw,34px)}
.image-card{position:relative}
.image-card img{width:100%;border-radius:var(--radius)}
.caption{
  position:absolute;left:18px;right:18px;bottom:18px;
  padding:14px 16px;border-radius:18px;background:rgba(3,10,18,.72);
  border:1px solid var(--line);backdrop-filter:blur(14px);
  color:#e9f5ff;font-weight:800
}
.feature-list{display:grid;gap:14px;margin-top:20px}
.feature-list div{
  border:1px solid var(--line);
  background:rgba(255,255,255,.045);
  border-radius:18px;padding:16px
}
.feature-list strong{color:#fff;display:block;margin-bottom:4px}
.cards{width:min(var(--max),100%);margin:0 auto;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.card{
  min-height:210px;padding:24px;border-radius:24px;border:1px solid var(--line);
  background:rgba(255,255,255,.055);box-shadow:var(--shadow)
}
.card h3{font-size:1.25rem}
.spec-table{width:100%;border-collapse:collapse;margin-top:14px;overflow:hidden;border-radius:18px}
.spec-table th,.spec-table td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.spec-table th{color:#fff;background:rgba(56,189,248,.12)}
.spec-table td:last-child{color:#fff;font-weight:800}
.dark-band{
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.02));
  border-block:1px solid var(--line);
}
.timeline{width:min(var(--max),100%);margin:0 auto;display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:10px}
.step{
  position:relative;border:1px solid var(--line);border-radius:18px;padding:14px;background:rgba(255,255,255,.055);
  min-height:118px
}
.step strong{color:#fff;font-size:.92rem}
.step span{display:block;color:var(--muted);font-size:.82rem;margin-top:7px}
.tech-hero-img{border:1px solid var(--line);border-radius:28px;background:#050b12;padding:10px;box-shadow:var(--shadow)}
.callout-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;margin-top:24px}
.callout{
  border:1px solid rgba(56,189,248,.22);
  border-radius:20px;padding:18px;background:rgba(56,189,248,.06)
}
.callout b{display:block;color:#fff;margin-bottom:6px}
.footer{
  padding:42px clamp(20px,5vw,72px);
  border-top:1px solid var(--line);
  background:#050d17;
}
.footer-inner{width:min(var(--max),100%);margin:0 auto;display:grid;grid-template-columns:1.2fr 1fr 1.4fr;gap:28px}
.footer-logo{height:54px;width:auto;margin-bottom:14px}
.small{font-size:.9rem;color:var(--muted)}
.page-title{padding-top:34px}
.gallery{width:min(var(--max),100%);margin:0 auto;display:grid;gap:24px}
.gallery img{border-radius:24px;border:1px solid var(--line);box-shadow:var(--shadow);background:#fff}
.warning{
  border-left:4px solid var(--gold);background:rgba(216,180,106,.09);padding:16px 18px;border-radius:14px;color:#f5ead2
}
@media(max-width:980px){
  .site-nav{display:none}
  .menu-toggle{display:inline-flex;background:transparent;color:white;border:1px solid var(--line);border-radius:12px;padding:10px 13px}
  .site-nav.is-open{display:flex;position:absolute;left:16px;right:16px;top:86px;flex-direction:column;align-items:stretch;background:#07111e;border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:var(--shadow)}
  .grid-2{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .callout-grid{grid-template-columns:1fr}
  .hero-metrics{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr}
}