:root{
  --bg:#0b1220;
  --card:#111a2e;
  --text:#eaf0ff;
  --muted:#b8c2dd;
  --primary:#2f7cff;
  --border:rgba(255,255,255,.10);
  --max:1100px;
  --radius:16px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background: radial-gradient(1200px 600px at 20% -10%, rgba(47,124,255,.25), transparent 60%),
              radial-gradient(900px 500px at 100% 0%, rgba(0,200,170,.18), transparent 60%),
              var(--bg);
  color:var(--text);
  line-height:1.55;
}

a{color:inherit}
.container{width:min(var(--max), 100% - 32px); margin-inline:auto}

.skip-link{
  position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden;
}
.skip-link:focus{
  position:static; width:auto; height:auto; padding:10px 14px; background:#fff; color:#000;
}

.site-header{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(10px);
  background: rgba(11,18,32,.75);
  border-bottom: 1px solid var(--border);
}

.header-inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:12px 0;
}

/* Brand + logo */
.brand{display:flex; align-items:center; gap:10px; text-decoration:none}
.brand-logo{
  display:block;
  width:auto;
  height:34px;
  max-width:180px;
  object-fit:contain;
}

/* CTA header (mobile hidden) */
.header-cta{ display:none; }

/* Hamburger toggle */
.nav-toggle{
  display:inline-grid;
  place-items:center;
  width:44px;
  height:44px;
  border-radius:14px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.04);
  color: var(--text);
}

.nav-toggle-bars{
  width:20px;
  height:2px;
  background: currentColor;
  position: relative;
  border-radius: 2px;
}
.nav-toggle-bars::before,
.nav-toggle-bars::after{
  content:"";
  position:absolute;
  left:0;
  width:20px;
  height:2px;
  background: currentColor;
  border-radius: 2px;
}
.nav-toggle-bars::before{ top:-6px; }
.nav-toggle-bars::after{ top:6px; }

/* Nav mobile: hidden by default */
.nav{ display:none; }

/* Nav mobile open */
.nav.is-open{
  display:block;
  position:absolute;
  left:0;
  right:0;
  top:100%;
  margin:0;
  padding:10px;
  background: rgba(11,18,32,.98);
  border: 1px solid var(--border);
  border-left:0;
  border-right:0;
  z-index:9999;
}

.nav.is-open a{
  display:block;
  text-decoration:none;
  color:var(--muted);
  padding:12px 12px;
  border-radius:12px;
}
.nav a[aria-current="page"]{
  color:var(--text);
  background: rgba(255,255,255,.06);
}
.nav.is-open a:hover{
  color:var(--text);
  background: rgba(255,255,255,.06);
}

/* Overlay (click outside to close) */
.nav-overlay{ display:none; }
.nav-overlay.is-open{
  display:block;
  position:fixed;
  inset:0;
  background: rgba(0,0,0,.35);
  z-index:9998;
}

/* Buttons */
.btn{
  display:inline-block;
  padding:10px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  text-decoration:none;
  font-weight:650;
}
.btn-primary{
  background: var(--primary);
  border-color: rgba(47,124,255,.7);
  color:#071024;
}
.btn-ghost{background: rgba(255,255,255,.04)}
.btn:hover{filter:brightness(1.05)}

/* Sections */
.section{padding:38px 0}
.section-alt{
  background: rgba(255,255,255,.03);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}

.hero{padding:36px 0 24px}
.hero-grid{display:grid; gap:18px}
.lead{color:var(--muted); font-size:1.05rem; max-width:62ch}
.hero-actions{display:flex; gap:10px; flex-wrap:wrap; margin:14px 0 8px}

.highlights{ padding-left: 18px; color: var(--muted); }

.hero-card{
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.cards{
  display:grid;
  gap:12px;
  grid-template-columns: 1fr;
  margin-top: 14px;
}
.card{
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}
.h3{font-size:1.1rem}
.h4{font-size:1rem; margin:0 0 6px}
.small{color:var(--muted)}
.tiny{color:var(--muted); font-size:.85rem}
.muted{color:var(--muted)}

.catalog-actions{display:flex; gap:10px; flex-wrap:wrap; margin:12px 0 14px}

.pdf-wrap{
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
}
.pdf-frame{
  width:100%;
  height: 72vh;
  border:0;
  border-radius: 12px;
  background: #0a1020;
}

.product-image{
  width:100%;
  height:auto;
  display:block;
  border-radius: 12px;
}

/* Footer */
.site-footer{
  border-top: 1px solid var(--border);
  padding: 24px 0;
  background: rgba(0,0,0,.15);
}
.footer-grid{
  display:grid;
  gap:14px;
  grid-template-columns: 1fr;
  margin-bottom: 10px;
}

/* Desktop */
@media (min-width: 860px){
  .nav-toggle{ display:none; }
  .header-cta{ display:inline-block; }

  .nav{
    display:flex !important;
    position:static !important;
    padding:0 !important;
    border:0 !important;
    background: transparent !important;
    gap:14px;
  }
  .nav a{
    display:inline-block;
    padding:8px 10px;
    text-decoration:none;
    color:var(--muted);
    border-radius:12px;
  }
  .nav a:hover{ color:var(--text); }

  .nav-overlay{ display:none !important; }

  .brand-logo{ height:40px; max-width:240px; }
  .hero-grid{ grid-template-columns: 1.2fr .8fr; align-items:start }
  .cards{ grid-template-columns: repeat(3, 1fr) }
  .footer-grid{ grid-template-columns: 1.2fr 1fr 1fr }
}