:root{--bg:#0b0b0f;--text:#e6e9f2;--muted:#8b90a0;--brand:#38bdf8;--panel:#0f1220;--border:#1d2132;--radius:14px}
*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;line-height:1.6}
a{color:var(--brand);text-decoration:none}a:hover{opacity:.9}
.container{max-width:1100px;margin:0 auto;padding:24px}
.nav{position:sticky;top:0;z-index:20;background:rgba(10,12,18,.7);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.nav .inner{display:flex;align-items:center;justify-content:space-between;padding:10px 18px;gap:12px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:14px}
.brand img.logo{height:60px}
.brand img.textlogo{height:100px} /* enlarged */
.nav ul{list-style:none;display:flex;gap:16px;margin:0;padding:0;align-items:center}
.nav a{padding:8px 10px;border-radius:10px;color:var(--text)}
.nav a.active,.nav a:hover{background:#121629}
.hero{position:relative;min-height:58vh;display:flex;align-items:flex-end}
.hero .bg{position:absolute;inset:0;background:url('/images/hyperdrone-hero-v2.jpg') center/cover no-repeat;filter:contrast(1) brightness(.68)}
.hero .overlay{position:absolute;inset:0;background:radial-gradient(800px 300px at 20% 10%, rgba(56,189,248,.08), rgba(0,0,0,.0) 60%), linear-gradient(180deg, rgba(0,0,0,0) 40%, rgba(0,0,0,.65) 100%)}
.hero .content{position:relative;padding:36px 24px;width:100%}
.hero h1{font-size:46px;margin:0 0 8px}
.hero p{max-width:850px;color:var(--muted);font-size:18px;margin:0}
.section{padding:40px 24px}
.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:18px}
.progress-item{display:flex;gap:16px;align-items:flex-start;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:12px}
.progress-item img{width:120px;height:80px;object-fit:cover;border-radius:10px;border:1px solid var(--border)}
.footer{border-top:1px solid var(--border);color:#a4a9bb}
.footer .center-logo{display:flex;justify-content:center;align-items:center;padding:24px 0}
.footer .center-logo img{height:120px;opacity:.95;filter:drop-shadow(0 0 18px rgba(255,255,255,.05))}
@media (max-width: 900px){
  .brand img.textlogo{height:72px}
}
@media (max-width: 600px){
  .container{padding:16px}
  .nav .inner{padding:8px 12px}
  .brand{gap:10px}
  .brand img.logo{height:44px}
  .brand img.textlogo{height:48px}
  .nav ul{gap:8px;font-size:14px}
  .nav a{padding:8px 10px}
  .hero{min-height:50vh}
  .hero .content{padding:22px 16px}
  .hero h1{font-size:28px;margin-bottom:6px}
  .hero p{font-size:15px}
  .section{padding:28px 16px}
  .progress-item{flex-direction:column}
  .progress-item img{width:100%;height:auto}
  .footer .center-logo img{height:80px}
}
a, .btn { -webkit-tap-highlight-color: rgba(56,189,248,.2); }
.btn{display:inline-block;padding:10px 16px;border-radius:12px;border:1px solid #223;background:#121629;color:#e7ebf4}
.btn:hover{transform:translateY(-1px)}


/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: 0.2s ease;
  z-index: 9999;
}
.lightbox.active {
  opacity: 1;
  pointer-events: all;
}
.lightbox img {
  max-width: 90%;
  max-height: 90%;
  border-radius: 4px;
  box-shadow: 0 0 20px rgba(0,0,0,0.4);
}