:root{
  --bg:#0b0f1a; --panel:#10172d; --text:#e6ebff; --muted:#a8b3cf;
  --accent:#00e5ff; --accent2:#ff2df2; --glow: 0 0 20px rgba(0,229,255,0.6);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:radial-gradient(1200px 600px at 20% 0%, #0f1b34 0%, #0b0f1a 60%, #0b0f1a 100%);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;line-height:1.7}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.site-header{position:sticky;top:0;z-index:50;background:rgba(16,23,45,.85);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.06)}
.site-header .wrap{max-width:1100px;margin:0 auto;display:flex;align-items:center;gap:16px;padding:10px 16px}
.brand a{display:flex;align-items:center;gap:8px}
.nav-toggle{display:none;align-items:center;justify-content:center;width:42px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.06);cursor:pointer;position:relative}
.nav-toggle span{display:none}
/* Draw bars with pseudo elements and a center bar */
.nav-toggle .bar,.nav-toggle::before,.nav-toggle::after{content:"";position:absolute;left:50%;width:22px;height:2px;background:#fff;border-radius:2px;transform:translateX(-50%);transition:transform .25s ease,opacity .2s ease,top .25s ease,bottom .25s ease}
.nav-toggle .bar{top:50%;transform:translate(-50%,-50%)}
.nav-toggle::before{top:10px}
.nav-toggle::after{bottom:10px}
/* animate to X when expanded */
.nav-toggle[aria-expanded="true"] .bar{opacity:0}
.nav-toggle[aria-expanded="true"]::before{top:50%;transform:translateX(-50%) rotate(45deg)}
.nav-toggle[aria-expanded="true"]::after{bottom:auto;top:50%;transform:translateX(-50%) rotate(-45deg)}
.brand .logo{display:none}
.brand .logo-img{height:36px;width:auto;display:inline-block;filter:drop-shadow(0 0 6px rgba(0,229,255,.35))}
.brand .site{color:var(--muted);font-size:.95rem}
.site-nav{display:flex;gap:8px;flex:1;flex-wrap:nowrap;overflow:auto;padding:4px}
.nav-item{padding:6px 10px;border-radius:8px;border:1px solid rgba(255,255,255,.08);white-space:nowrap}
.nav-item:hover{background:rgba(255,255,255,.06)}
.nav-item.active{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.2)}
.header-cta{flex-shrink:0}
.header-cta .cta{background:linear-gradient(90deg,var(--accent),var(--accent2));color:#081018;padding:10px 14px;border-radius:10px;font-weight:700;box-shadow:var(--glow);display:inline-block}

.container{max-width:1100px;margin:20px auto;padding:0 16px}
.breadcrumbs{font-size:.9rem;color:var(--muted);margin:8px 0}
.hero{margin:10px 0 20px;border-radius:14px;overflow:hidden;box-shadow:0 10px 30px rgba(0,0,0,.35)}
.hero picture,.hero img{display:block;width:100%}
.content{background:rgba(16,23,45,.65);border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:22px}
.content h1,.content h2,.content h3{color:#fff;text-shadow:0 0 10px rgba(255,45,242,.25)}
.content h1{font-size:2rem;margin-top:0}
.content img{max-width:100%;height:auto;border-radius:12px}
.gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:14px 0}
.gallery figure{margin:0}
.gallery figcaption{font-size:.9rem;color:var(--muted);margin-top:6px}
.toc{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);padding:12px 14px;border-radius:12px;margin:12px 0}
.toc ul{margin:8px 0 0 18px;padding:0}
.toc li{margin:4px 0}
.cta-wrap{display:flex;justify-content:center;margin:16px 0}
.cta{display:inline-block;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#06121a;padding:12px 18px;border-radius:12px;font-weight:800;box-shadow:var(--glow)}
.cta.big{font-size:1.05rem}
.related{margin-top:22px;padding-top:16px;border-top:1px solid rgba(255,255,255,.08)}

.site-footer{margin-top:40px;padding:28px 0;background:#0b1227;border-top:1px solid rgba(255,255,255,.08)}
.site-footer .container{max-width:1100px;margin:0 auto;padding:0 16px}
.site-footer .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.site-footer h4{margin:6px 0 8px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin:6px 0;color:var(--muted)}

.sticky-cta{position:fixed;right:16px;bottom:16px;background:linear-gradient(90deg,var(--accent),var(--accent2));color:#06121a;padding:10px 14px;border-radius:999px;font-weight:800;box-shadow:var(--glow)}

@media (max-width:800px){
  .nav-toggle{display:inline-flex}
  .site-nav{display:none}
  .site-nav.open{display:flex;flex-direction:column;position:fixed;top:60px;left:0;right:0;background:rgba(16,23,45,.98);padding:10px 12px;border-top:1px solid rgba(255,255,255,.08);gap:0;max-height:70vh;overflow:auto;z-index:60}
  .site-nav .nav-item{padding:12px 16px;border:none;border-bottom:1px solid rgba(255,255,255,.08);border-radius:0}
  .header-cta{display:none}
  /* Limit mobile hero height and crop nicely */
  .hero{max-height:38vh}
  .hero img{height:100%;object-fit:cover}
  .brand .logo-img{height:30px}
}