:root{
  --navy:#0b1f3a;
  --blue:#145da0;
  --sky:#eaf4ff;
  --gold:#f5b942;
  --ink:#172033;
  --muted:#64748b;
  --card:#ffffff;
  --line:#dbe5f0;
  --bg:#f5f8fc;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:Arial, Helvetica, sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(11,31,58,.96);
  color:#fff;
  box-shadow:0 8px 30px rgba(0,0,0,.16);
}
.nav-wrap{
  max-width:1180px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 22px;
}
.brand{display:flex;gap:12px;align-items:center;color:#fff;text-decoration:none}
.logo{
  width:42px;height:42px;border-radius:12px;
  background:linear-gradient(135deg,var(--gold),#fff4c2);
  color:var(--navy);display:flex;align-items:center;justify-content:center;
  font-weight:800;letter-spacing:.5px;
}
.brand-title{font-size:20px;font-weight:800;line-height:1.1}
.brand-subtitle{font-size:12px;color:#cbd5e1}
.nav-links a{color:#fff;margin-left:22px;font-weight:700}
.hero{
  background:
    radial-gradient(circle at 15% 20%, rgba(245,185,66,.22), transparent 25%),
    linear-gradient(135deg,#07162a 0%, #0b1f3a 48%, #145da0 100%);
  color:#fff;
  padding:82px 22px 72px;
}
.hero-inner{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center}
.kicker{color:#f7d37c;text-transform:uppercase;letter-spacing:.16em;font-size:13px;font-weight:800}
.hero h1{font-size:52px;line-height:1.05;margin:14px 0 18px}
.hero p{font-size:19px;color:#e5edf7;max-width:720px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.btn{
  display:inline-block;padding:13px 20px;border-radius:999px;
  font-weight:800;text-decoration:none;border:2px solid transparent;
}
.btn-primary{background:var(--gold);color:#07162a}
.btn-secondary{border-color:#8fb9e8;color:#fff}
.hero-card{
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.22);
  border-radius:28px;padding:26px;backdrop-filter:blur(8px);
  box-shadow:0 24px 80px rgba(0,0,0,.28);
}
.metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:18px}
.metric{background:rgba(255,255,255,.12);border-radius:18px;padding:18px}
.metric b{font-size:26px;color:#fff;display:block}
.metric span{font-size:13px;color:#dbeafe}
.section{max-width:1180px;margin:0 auto;padding:58px 22px}
.section h2{font-size:34px;margin:0 0 14px;color:var(--navy)}
.lead{font-size:18px;color:var(--muted);max-width:860px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:28px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:24px;
  padding:26px;box-shadow:0 14px 35px rgba(15,43,78,.08);
}
.card h3{margin:0 0 10px;color:var(--navy)}
.card-icon{font-size:34px;margin-bottom:12px}
.timeline{border-left:4px solid var(--blue);margin-top:28px;padding-left:20px}
.timeline-item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 18px;margin:14px 0}
.timeline-item b{color:var(--blue);font-size:18px}
.product-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:22px;margin-top:28px}
.product-card{
  background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;
  box-shadow:0 12px 30px rgba(15,43,78,.08);
}
.badge{display:inline-block;background:var(--sky);color:var(--blue);border-radius:999px;padding:5px 10px;font-size:12px;font-weight:800;margin-bottom:12px}
.demo-panel{
  background:#fff;border:1px solid var(--line);border-radius:28px;
  box-shadow:0 18px 50px rgba(15,43,78,.1);
  padding:28px;margin-top:28px;
}
input[type=file]{display:block;width:100%;padding:18px;border:2px dashed #9bb7d8;border-radius:18px;background:#f8fbff}
button{cursor:pointer}
.result-box{background:#07162a;color:#e5edf7;border-radius:18px;padding:18px;white-space:pre-wrap;overflow:auto}
.footer{background:#07162a;color:#cbd5e1;margin-top:50px;padding:34px 22px}
.footer-inner{max-width:1180px;margin:0 auto;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
@media(max-width:850px){
  .hero-inner{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .hero h1{font-size:38px}
  .nav-wrap{display:block}
  .nav-links{margin-top:12px}
  .nav-links a{margin:0 14px 0 0}
}