:root{
  --neon:#00e0ff;
  --emerald2:#00ffa3;
}
*{ scroll-behavior:smooth; }
html,body{ background:#05070b; }
body{ cursor: none; }
@media (max-width: 768px){ body{ cursor:auto; } }

/* Glass surfaces */
.glass{
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.015));
  border: 1px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
}
.glass-btn{
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  color:#e2e8f0;
  transition: all .2s ease;
}
.glass-btn:hover{
  background: rgba(0,224,255,0.08);
  border-color: rgba(0,224,255,0.4);
  color:#fff;
  box-shadow: 0 0 24px rgba(0,224,255,0.18);
}

/* Neon button */
.btn-neon{
  position:relative;
  background: linear-gradient(135deg, rgba(0,224,255,0.18), rgba(0,255,163,0.18));
  border: 1px solid rgba(0,224,255,0.5);
  color:#e6fbff;
  text-shadow: 0 0 12px rgba(0,224,255,0.5);
  box-shadow: 0 0 24px rgba(0,224,255,0.18), inset 0 0 18px rgba(0,224,255,0.08);
  transition: all .25s ease;
}
.btn-neon:hover{
  transform: translateY(-1px);
  box-shadow: 0 0 38px rgba(0,224,255,0.45), inset 0 0 24px rgba(0,255,163,0.12);
  border-color:#00ffa3;
}

/* Holographic border */
.holo-border{
  position:relative;
}
.holo-border::before{
  content:""; position:absolute; inset:-1px; border-radius:inherit; padding:1px;
  background: conic-gradient(from 0deg, #00e0ff, #00ffa3, #6366f1, #00e0ff);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity:.5; pointer-events:none;
  animation: spin 8s linear infinite;
}
@keyframes spin{ to{ filter: hue-rotate(360deg);} }

/* Cyber grid */
.cyber-grid{
  background-image:
    linear-gradient(rgba(0,224,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,224,255,0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 50% 20%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 20%, #000 30%, transparent 75%);
  animation: gridMove 20s linear infinite;
}
@keyframes gridMove{ to{ background-position: 0 480px, 480px 0; } }
.vignette{ background: radial-gradient(ellipse at top, rgba(0,224,255,0.08), transparent 55%), radial-gradient(ellipse at bottom, rgba(0,255,163,0.05), transparent 55%); }

/* Glow text */
.glow-text{ text-shadow: 0 0 18px rgba(0,224,255,.6), 0 0 40px rgba(0,224,255,.2); }

/* Glitch */
.glitch{ position:relative; }
.glitch::before, .glitch::after{
  content: attr(data-text); position:absolute; left:0; top:0; width:100%;
  overflow:hidden; clip-path: inset(0 0 0 0); pointer-events:none;
}
.glitch::before{ color:#00e0ff; transform: translate(2px,0); mix-blend-mode: screen; animation: glitchA 4s infinite linear alternate; }
.glitch::after{ color:#ff3b6b; transform: translate(-2px,0); mix-blend-mode: screen; animation: glitchB 5s infinite linear alternate; }
@keyframes glitchA{ 0%,90%,100%{clip-path:inset(0 0 0 0)} 92%{clip-path:inset(20% 0 60% 0)} 94%{clip-path:inset(60% 0 10% 0)} 96%{clip-path:inset(30% 0 40% 0)} }
@keyframes glitchB{ 0%,88%,100%{clip-path:inset(0 0 0 0)} 90%{clip-path:inset(50% 0 30% 0)} 93%{clip-path:inset(10% 0 70% 0)} }

/* Pulse dot */
.pulse-dot{ box-shadow: 0 0 0 0 rgba(0,255,163,0.7); animation: pulse 1.8s infinite; }
@keyframes pulse{ 70%{ box-shadow: 0 0 0 10px rgba(0,255,163,0); } 100%{ box-shadow: 0 0 0 0 rgba(0,255,163,0);} }

/* Reveal */
.reveal{ opacity:0; transform: translateY(20px); transition: opacity .8s ease, transform .8s ease; }
.reveal.in{ opacity:1; transform:none; }

/* Service card hover */
.svc-card{ transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
.svc-card:hover{ transform: translateY(-3px); border-color: rgba(0,224,255,0.45); box-shadow: 0 12px 60px -20px rgba(0,224,255,0.45); }

/* Scrollbar */
::-webkit-scrollbar{ width:10px; height:10px; }
::-webkit-scrollbar-track{ background:#0a0e14; }
::-webkit-scrollbar-thumb{ background:linear-gradient(#00e0ff,#00ffa3); border-radius:10px; border:2px solid #0a0e14; }

/* Cursor link enlarge */
.cursor-grow{ transform: translate(-50%,-50%) scale(1.8); border-color:#00ffa3 !important; }

/* Tab chip */
.tab-chip{
  padding:.5rem .9rem; border-radius:10px;
  border:1px solid rgba(255,255,255,0.08);
  background:rgba(255,255,255,0.02);
  font-family: 'JetBrains Mono', monospace; font-size: 12px; color:#cbd5e1;
  cursor:pointer; transition: all .2s;
}
.tab-chip:hover{ border-color: rgba(0,224,255,0.4); color:#fff; }
.tab-chip.active{ background: linear-gradient(135deg, rgba(0,224,255,0.2), rgba(0,255,163,0.12)); border-color:#00e0ff; color:#fff; box-shadow:0 0 18px rgba(0,224,255,0.25); }

/* QR */
.qr{ display:grid; grid-template-columns: repeat(21, 10px); grid-auto-rows:10px; gap:0; padding:8px; background:#fff; border-radius:8px; }
.qr div{ width:10px; height:10px; }
.qr .on{ background:#000; }

/* faq item */
details.faq-item summary{ list-style:none; cursor:pointer; }
details.faq-item summary::-webkit-details-marker{ display:none; }
details.faq-item[open] .chev{ transform: rotate(45deg); }
.chev{ transition: transform .2s; }