/* Base */
:root{--bg:#0D1B2A;--muted:#415A77;--accent:#F2EECF;--text:#E8E8E8;--card:#0F2330}
*{box-sizing:border-box}
body{margin:0;font-family:Inter, Arial, sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}
.container{max-width:1000px;margin:0 auto;padding:0 20px}

/* Nav */
.nav{display:flex;justify-content:space-between;align-items:center;padding:18px 20px;position:fixed;width:100%;top:0;z-index:50;background:linear-gradient(180deg, rgba(13,27,42,0.85), rgba(13,27,42,0.55));backdrop-filter:blur(4px)}
.nav-logo{height:36px}
.nav-title{margin-left:10px;font-weight:600;color:var(--accent)}
.nav-right a{margin-left:18px;color:var(--text);text-decoration:none;font-weight:500}
.nav-right a:hover{color:var(--accent)}

/* Hero */
.hero{height:86vh;display:flex;align-items:center;justify-content:center;text-align:center;padding-top:40px}
.hero-inner{animation:fadeUp .9s ease both}
.hero-logo{width:512px;max-width:50vw;display:block;margin:0 auto 18px}
h1{font-size:28px;margin:0;color:#fff}
.tagline{color:var(--muted);margin-top:12px}
.btn{display:inline-block;margin-top:22px;padding:10px 20px;border-radius:6px;background:var(--muted);color:#fff;text-decoration:none;font-weight:600}
.btn:hover{background:#53758A}

/* Sections */
.section{padding:60px 0}
.section.alt{background:rgba(255,255,255,0.02)}
h2{font-size:24px;margin-bottom:14px;color:#fff}
p{color:var(--text);line-height:1.6}

/* Services grid */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-top:18px}
.card{background:var(--card);padding:18px;border-radius:8px;box-shadow:0 6px 18px rgba(2,10,18,0.6)}
.card h3{margin-top:0;color:var(--accent)}

/* Research grid */
.research-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:18px}
.research-card{background:rgba(255,255,255,0.02);padding:14px;border-radius:8px;display:flex;gap:12px;align-items:center;transition:transform .18s,box-shadow .18s}
.research-card:hover{transform:translateY(-6px);box-shadow:0 8px 24px rgba(2,10,18,0.6)}
.research-icon{width:56px;height:56px;border-radius:6px;flex:0 0 56px;background:var(--muted);display:flex;align-items:center;justify-content:center;color:var(--bg);font-weight:700}
.research-content h4{margin:0 0 6px 0;color:#fff}
.research-content p{margin:0;color:var(--text)}

/* Founder */
.founder-grid{display:grid;grid-template-columns:1fr 340px;gap:24px;align-items:start}
.founder-bio h3{margin-top:6px;margin-bottom:8px;color:var(--accent)}
.founder-contact .btn.ghost{background:transparent;border:1px solid rgba(255,255,255,0.08);color:var(--text);display:inline-block;padding:10px 14px;border-radius:6px;text-decoration:none}

footer{padding:30px 0;text-align:center;color:#9aa6b0}

/* Animations */
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}

/* Responsive */
@media(max-width:800px){
  .nav-right{display:none}
  .founder-grid{grid-template-columns:1fr}
  .hero{padding-top:70px}
}