:root{
  --bg-1:#061522;
  --bg-2:#0C2235;
  --bg-3:#0F2C46;
  --ink:#DCE7F2;
  --ink-dim:#9FB4C9;
  --accent:#28A0F5;
  --accent-2:#2EC2A0;
  --card:#0D1B2A;
  --border:rgba(255,255,255,0.08);
  --glow:rgba(40,160,245,0.35);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:linear-gradient(180deg,var(--bg-1),var(--bg-2) 50%,var(--bg-3));color:var(--ink);font-family:Inter,system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif}
a{color:#BFE2FF;text-decoration:none}
a:hover{color:white}
.container{max-width:1080px;margin:0 auto;padding:0 24px}
/* Header */
.site-header{position:sticky;top:0;z-index:50;background:linear-gradient(180deg,rgba(6,21,34,0.95),rgba(6,21,34,0.75));backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand-logo{height:160px; width:auto; display:block; filter:drop-shadow(0 8px 16px var(--glow));}
.main-nav a{margin-left:22px; font-weight:600; opacity:.9}
.main-nav a:hover{opacity:1}
/* Hero */
.hero{position:relative; padding:72px 0 56px; overflow:hidden}
.hero-inner{display:flex; align-items:center; justify-content:center; min-height:280px}
.hero-copy{max-width:820px; text-align:center}
.hero h1{font-size: clamp(40px, 6vw, 68px); margin:0 0 12px; letter-spacing:.2px}
.hero p{color:var(--ink-dim); font-size: clamp(16px, 2.4vw, 20px); margin:0 0 24px}
.cta-row{display:flex; gap:16px; justify-content:center}
.btn{display:inline-block; padding:14px 20px; border-radius:12px; border:1px solid var(--border); font-weight:700}
.btn-primary{background:linear-gradient(90deg,var(--accent),var(--accent-2)); color:#04121E; border-color:transparent; box-shadow:0 12px 28px rgba(40,160,245,.25)}
.btn-primary:hover{transform:translateY(-1px)}
.btn-ghost{background:transparent; color:var(--ink);}
.hero-gradient{position:absolute; inset:-20% -10% auto -10%; height:60%; pointer-events:none;
  background:radial-gradient(60% 70% at 50% 10%, rgba(46,194,160,.25), transparent 60%),
             radial-gradient(60% 70% at 50% -10%, rgba(40,160,245,.30), transparent 70%);
  filter:blur(30px); opacity:.8}
/* Sections */
.section{padding:64px 0}
.section.alt{background:linear-gradient(180deg, rgba(15,44,70,0.3), rgba(6,21,34,0.2))}
.section h2{font-size:32px;margin:0 0 8px}
.section-lead{color:var(--ink-dim); margin:0 0 24px}
/* Cards */
.grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:18px}
.card{background:rgba(255,255,255,.02); border:1px solid var(--border); border-radius:16px; padding:18px; box-shadow:0 10px 24px rgba(0,0,0,.25)}
.card h3{margin:0 0 6px; font-size:18px}
.card p{margin:0; color:var(--ink-dim)}
/* Timeline */
.timeline{display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:16px; margin-top:12px}
.t-item{background:rgba(255,255,255,.02); border:1px solid var(--border); padding:16px; border-radius:14px}
.t-item span{display:inline-flex; align-items:center; justify-content:center; width:34px; height:34px; border-radius:50%;
  background:linear-gradient(90deg,var(--accent),var(--accent-2)); color:#061522; font-weight:800; margin-right:8px}
.t-item b{font-size:16px}
.t-item p{margin:6px 0 0; color:var(--ink-dim)}
/* Contact */
.contact-inner{display:grid; grid-template-columns:1.1fr .9fr; gap:28px; align-items:start}
.contact-list{list-style:none; padding:0; margin:14px 0 0}
.contact-list li{margin:6px 0}
.contact-form{background:rgba(255,255,255,.02); border:1px solid var(--border); padding:16px; border-radius:14px}
.contact-form label{display:block; font-weight:600; margin:10px 0 6px}
.contact-form input, .contact-form textarea{width:100%; padding:12px; border-radius:10px; border:1px solid var(--border); background:#0C2031; color:var(--ink)}
.contact-form .hint{margin:8px 0 0; color:var(--ink-dim); font-size:12px}
/* Footer */
.footer{border-top:1px solid var(--border); padding:18px 0; background:rgba(4,14,22,.6)}
.footer-inner{display:flex; align-items:center; justify-content:space-between; color:var(--ink-dim)}
/* Responsive */
@media (max-width: 900px){
  .brand-logo{height:120px}
  .contact-inner{grid-template-columns:1fr}
}