:root {
  --navy:#0b1f3a;
  --navy-2:#132f54;
  --blue:#1f6fd1;
  --blue-2:#4aa3ff;
  --aqua:#48d4d0;
  --ink:#172033;
  --muted:#637083;
  --line:#dce4ee;
  --paper:#ffffff;
  --soft:#f5f8fc;
  --shadow:0 18px 55px rgba(20,46,79,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
}
a{color:inherit}
img{max-width:100%;display:block}
.wrap{width:min(1160px, calc(100% - 40px));margin:0 auto}
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(220,228,238,.8);
}
.nav{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-weight:800;color:var(--navy);letter-spacing:-.01em}
.brand-mark{
  display:grid;place-items:center;width:38px;height:38px;border-radius:10px;
  background:var(--navy);color:#fff;font-size:.82rem;letter-spacing:.04em;
}
nav{display:flex;align-items:center;gap:26px}
nav a{text-decoration:none;color:#4c5a6d;font-size:.94rem;font-weight:650}
nav a:hover{color:var(--blue)}
.nav-cta{padding:9px 15px;border:1px solid var(--line);border-radius:9px}
.hero{
  background:
    radial-gradient(circle at 78% 22%, rgba(74,163,255,.18), transparent 30%),
    linear-gradient(135deg,#f9fbfe 0%,#eef5fd 56%,#fff 100%);
  padding:88px 0 76px;
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.45fr .8fr;gap:54px;align-items:center}
.eyebrow{margin:0 0 14px;color:var(--blue);font-size:.78rem;font-weight:850;letter-spacing:.16em}
h1,h2,h3{color:var(--navy);line-height:1.12;margin-top:0}
h1{font-size:clamp(2.65rem,5.2vw,5rem);letter-spacing:-.045em;margin-bottom:24px}
h2{font-size:clamp(2rem,3.4vw,3.25rem);letter-spacing:-.035em;margin-bottom:18px}
h3{font-size:1.18rem;margin-bottom:8px}
.lead{font-size:1.23rem;color:#506075;max-width:780px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:31px 0}
.btn{
  display:inline-flex;align-items:center;justify-content:center;text-decoration:none;
  min-height:48px;padding:12px 19px;border-radius:10px;font-weight:780;
}
.btn.primary{background:var(--navy);color:white;box-shadow:0 10px 26px rgba(11,31,58,.18)}
.btn.primary:hover{background:#15375f}
.btn.secondary{background:white;border:1px solid var(--line);color:var(--navy)}
.btn.large{padding:15px 22px}
.hero-meta{
  display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:30px;
}
.hero-meta div{border-left:2px solid var(--blue-2);padding-left:12px}
.hero-meta strong,.hero-meta span{display:block}
.hero-meta strong{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:#6a7890}
.hero-meta span{font-weight:750;color:var(--navy);margin-top:2px}
.hero-panel{
  background:var(--navy);color:#fff;border-radius:18px;padding:31px;
  box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.hero-panel:after{
  content:"";position:absolute;width:220px;height:220px;border-radius:50%;
  background:rgba(72,212,208,.09);right:-80px;bottom:-90px
}
.panel-label{color:var(--aqua);font-weight:850;letter-spacing:.16em;font-size:.75rem;margin-bottom:17px}
.hero-panel ul{list-style:none;padding:0;margin:0}
.hero-panel li{padding:13px 0;border-bottom:1px solid rgba(255,255,255,.12);font-weight:650}
.hero-panel li span{color:var(--aqua);display:inline-block;width:35px;font-size:.76rem}
.fine{font-size:.8rem;color:#b8c6d8;margin:22px 0 0}
.section{padding:86px 0}
.section.light{background:var(--soft)}
.section-heading{max-width:850px;margin-bottom:42px}
.section-heading.narrow{max-width:900px}
.section-heading>p:not(.eyebrow){color:var(--muted);font-size:1.08rem}
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:0 10px 30px rgba(18,48,86,.05)}
.card p{color:var(--muted);margin-bottom:0}
.icon{width:39px;height:39px;border-radius:10px;background:#eaf3ff;color:var(--blue);display:grid;place-items:center;font-weight:900;margin-bottom:17px}
.architecture-frame{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px;
  box-shadow:var(--shadow);overflow:hidden
}
.architecture-frame img{border-radius:9px}
.caption{font-size:.83rem;color:#718095;margin:13px 3px 0}
.section.dark{background:var(--navy);color:white}
.section.dark h2{color:white}
.aqua{color:var(--aqua)}
.dark-lead{font-size:1.12rem;color:#c3cede}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.oem-list{display:grid;gap:12px}
.oem-list div{padding:17px 0;border-bottom:1px solid rgba(255,255,255,.15)}
.oem-list strong,.oem-list span{display:block}
.oem-list strong{color:white;font-size:1.06rem}
.oem-list span{color:#b8c6d8;margin-top:3px}
.status-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.status-card{background:white;border:1px solid var(--line);border-radius:14px;padding:27px}
.status-card h2{font-size:1.65rem}
.status-card p:last-child{color:var(--muted);margin-bottom:0}
.contact-section{padding:76px 0;background:linear-gradient(135deg,#eef6ff,#f8fcff)}
.contact-box{
  background:white;border:1px solid var(--line);border-radius:18px;padding:36px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:34px;box-shadow:var(--shadow)
}
.contact-box h2{font-size:2.1rem;margin-bottom:12px}
.contact-box p:not(.eyebrow){margin:0;color:var(--muted);max-width:720px}
footer{background:#071526;color:#d7e0eb;padding:28px 0}
.footer-grid{display:flex;justify-content:space-between;gap:30px;align-items:center}
footer strong,footer span{display:block}
footer strong{color:white}
.footer-right{text-align:right;font-size:.88rem;color:#9fb0c5}
@media (max-width:900px){
  nav a:not(.nav-cta){display:none}
  .hero-grid,.two-col{grid-template-columns:1fr}
  .hero{padding-top:62px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .status-grid{grid-template-columns:1fr}
  .hero-meta{grid-template-columns:1fr}
  .contact-box{align-items:flex-start;flex-direction:column}
}
@media (max-width:560px){
  .wrap{width:min(100% - 28px,1160px)}
  .nav{height:64px}
  h1{font-size:2.55rem}
  .hero{padding:48px 0 56px}
  .section{padding:62px 0}
  .card-grid{grid-template-columns:1fr}
  .hero-panel{padding:24px}
  .contact-box{padding:26px}
  .footer-grid{align-items:flex-start;flex-direction:column}
  .footer-right{text-align:left}
}