:root{
  --bg:#070812;
  --panel:#0c0f22;
  --panel2:#0a0c1a;
  --ink:#e9ecff;
  --muted:#aab0dd;
  --neon1:#00f5ff;
  --neon2:#ff2bd6;
  --neon3:#8b5cff;
  --good:#28f17a;
  --shadow: 0 18px 60px rgba(0,0,0,.55);
  --glow: 0 0 18px rgba(0,245,255,.25), 0 0 32px rgba(255,43,214,.15);
  --radius:22px;
  --radius2:16px;
  --line:rgba(255,255,255,.10);
  --line2:rgba(0,245,255,.25);
  --focus: 0 0 0 3px rgba(0,245,255,.35), 0 0 0 6px rgba(255,43,214,.18);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color:var(--ink);
  background:
    radial-gradient(1000px 520px at 15% 10%, rgba(255,43,214,.22), transparent 60%),
    radial-gradient(900px 520px at 75% 0%, rgba(0,245,255,.18), transparent 62%),
    radial-gradient(800px 520px at 50% 90%, rgba(139,92,255,.14), transparent 62%),
    linear-gradient(180deg, #050611, #070812 35%, #050611);
}

a{color:inherit;text-decoration:none}
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{outline:none; box-shadow: var(--focus); border-radius:12px}
.wrap{max-width:1060px;margin:0 auto;padding:18px 14px 34px}
img{max-width:100%;display:block}

.topbar{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(10px);
  background: rgba(7,8,18,.72);
  border-bottom:1px solid rgba(0,245,255,.10);
}
.topbar-inner{
  max-width:1060px;margin:0 auto;
  padding:12px 14px;
  display:flex; align-items:center; justify-content:space-between; gap:10px;
}
.brand{display:flex;align-items:center;gap:10px}
.logo{
  width:60px;height:60px;border-radius:14px;
  box-shadow: var(--glow);
  border:1px solid rgba(0,245,255,.22);
  background: rgba(12,15,34,.8);
}
.brand-text{
  font-weight:800; letter-spacing:.3px;
  text-transform:uppercase;
  background: linear-gradient(90deg, var(--neon1), var(--neon2));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}

.burger{
  width:50px;height:44px;
  border-radius:14px;
  background: linear-gradient(180deg, rgba(12,15,34,.85), rgba(10,12,26,.85));
  border:1px solid rgba(0,245,255,.22);
  box-shadow: var(--shadow), var(--glow);
  cursor:pointer;
  display:flex; flex-direction:column; justify-content:center; gap:6px;
  padding:0 12px;
}
.burger span{
  display:block; height:2px; width:100%;
  background: linear-gradient(90deg, var(--neon1), var(--neon2));
  border-radius:99px;
  box-shadow: 0 0 10px rgba(0,245,255,.35);
}

.nav{
  position:absolute;
  left:0; right:0;
  top:100%;
  background: rgba(7,8,18,.88);
  backdrop-filter: blur(12px);
  border-bottom:1px solid rgba(255,255,255,.08);
  transform: translateY(-8px);
  opacity:0;
  pointer-events:none;
  transition: .18s ease;
}
.nav.open{
  opacity:1;
  transform: translateY(0);
  pointer-events:auto;
}
.nav-inner{
  max-width:1060px;margin:0 auto;
  padding:10px 14px 14px;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.nav-link{
  padding:12px 14px;
  border-radius:14px;
  border:1px solid rgba(0,0,0,.12);
  background: #fff;
  box-shadow: 0 10px 30px rgba(0,0,0,.35);
}
.nav-link:hover{
  border-color: rgba(0,245,255,.35);
  box-shadow: var(--shadow), var(--glow);
}
.nav-link.active{
  border-color: rgba(255,43,214,.45);
  box-shadow: var(--shadow), 0 0 20px rgba(255,43,214,.22);
}

.crumbs{
  display:flex; flex-wrap:wrap;
  gap:8px;
  align-items:center;
  margin: 14px 0 10px;
  color: var(--muted);
  font-size: 14px;
}
.crumb{color:var(--muted)}
.crumb.current{color:var(--ink)}
.crumb-sep{opacity:.7}

.panel{
  background: linear-gradient(180deg, rgba(12,15,34,.86), rgba(10,12,26,.86));
  border:1px solid rgba(0,0,0,.12);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  padding: 18px 18px;
  margin: 14px 0;
  position:relative;
  overflow:hidden;
}
.panel:before{
  content:"";
  position:absolute; inset:-2px;
  background: radial-gradient(420px 140px at 15% 0%, rgba(0,245,255,.18), transparent 65%),
              radial-gradient(420px 140px at 85% 0%, rgba(255,43,214,.14), transparent 65%);
  pointer-events:none;
}
.panel > *{position:relative}

.panel.hero h1{
  margin:0 0 10px;
  font-size: 28px;
  line-height: 1.15;
  letter-spacing:.2px;
}
.panel.hero p{
  margin:0;
  color: var(--muted);
  max-width: 78ch;
}

.panel.image-panel{
  padding:0;
  border-radius: var(--radius);
  border:1px solid rgba(0,245,255,.22);
  box-shadow: var(--shadow), var(--glow);
}
.panel.image-panel img{
  width:100%;
  height:auto;
}

.article-lead{
  color: var(--muted);
  font-size: 16px;
  line-height:1.55;
  margin-bottom: 10px;
}
h2{
  margin: 18px 0 10px;
  font-size: 20px;
  line-height:1.25;
  letter-spacing:.2px;
}
p{
  margin: 0 0 10px;
  line-height: 1.65;
  color: var(--ink);
}
p a{
  color: var(--neon1);
  text-decoration: underline;
  text-underline-offset: 3px;
}
p a:hover{color: var(--neon2)}

.offers .offers-wrap{
  border:2px solid rgba(0,245,255,.30);
  border-radius: var(--radius2);
  padding: 10px;
  box-shadow: var(--glow);
  background: #fff;
}
.offers-inner{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.offer-row{
  display:grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap:10px;
  align-items:center;
  padding:10px;
  border-radius: 14px;
  border:1px solid rgba(0,0,0,.12);
  background: #fff;
}
.offer-cell{
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
}
.offer-cell img{
  width:160px;height:50px;object-fit:contain;
  filter: drop-shadow(0 0 10px rgba(0,245,255,.20));
}
.offer-sum{
  color: #111;
  font-weight:600;
  padding: 6px 10px;
}
.offer-btn,
.btn-offer{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 14px;
  text-decoration:none;
  font-weight: 900;
  color:#ffffff;
  background: rgba(0,112,255,.96);
  border:2px solid rgba(0,112,255,.96);
  box-shadow: 0 0 18px rgba(0,112,255,.22);
  transition: transform .12s ease, background .12s ease, box-shadow .12s ease, filter .12s ease;
}
.offer-btn:hover,
.btn-offer:hover{
  transform: translateY(-1px);
  background: rgba(0,132,255,.98);
  box-shadow: 0 0 22px rgba(0,132,255,.35);
  filter: brightness(1.02);
}
.offer-btn:active,
.btn-offer:active{transform: translateY(0)}

@media (max-width: 820px){
  .offer-row{
    grid-template-columns: 1fr;
    text-align:center;
  }
}

.calc-grid{
  display:grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 12px;
  margin-top: 10px;
}
.calc-grid label{
  display:flex;
  flex-direction:column;
  gap:8px;
  color: var(--muted);
  font-size: 14px;
}
.calc-grid input{
  width:100%;
  padding: 12px 12px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(7,8,18,.70);
  color: var(--ink);
}
.calc-out{
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 16px;
  border:1px solid rgba(0,245,255,.22);
  background: rgba(7,8,18,.55);
  box-shadow: var(--glow);
  color: var(--ink);
  line-height:1.6;
}
.calc-note{
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 980px){
  .calc-grid{grid-template-columns: repeat(2, minmax(0,1fr))}
}
@media (max-width: 520px){
  .calc-grid{grid-template-columns: 1fr}
}

.faq details{
  border:1px solid rgba(0,0,0,.12);
  background: rgba(7,8,18,.45);
  border-radius: 16px;
  padding: 10px 12px;
  margin: 10px 0;
}
.faq summary{
  cursor:pointer;
  font-weight: 700;
  color: var(--ink);
}
.faq-a{
  margin-top: 8px;
  color: var(--muted);
  line-height:1.6;
}

.contact-form{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.contact-form label{
  display:flex;
  flex-direction:column;
  gap:8px;
  color: var(--muted);
  font-size:14px;
}
.contact-form textarea{
  grid-column: 1 / -1;
  min-height: 140px;
  resize: vertical;
}
.contact-form input, .contact-form textarea{
  padding: 12px 12px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(7,8,18,.70);
  color: var(--ink);
}
.contact-form button{
  grid-column: 1 / -1;
  justify-self: start;
  padding: 12px 18px;
  border-radius: 16px;
  border:1px solid rgba(0,0,0,.12);
  background: linear-gradient(90deg, rgba(0,245,255,.85), rgba(255,43,214,.85));
  color: #070812;
  font-weight: 900;
  cursor:pointer;
  box-shadow: var(--glow);
}
@media (max-width: 700px){
  .contact-form{grid-template-columns: 1fr}
  .contact-form button{justify-self: stretch}
}

footer{
  margin-top: 18px;
  padding: 18px 14px 26px;
  color: var(--muted);
  border-top: 1px solid rgba(255,255,255,.08);
  background: rgba(7,8,18,.55);
}
.footer-inner{
  max-width:1060px;margin:0 auto;
  display:flex; flex-wrap:wrap; gap:10px; justify-content:space-between; align-items:center;
}
.footer-links{display:flex; flex-wrap:wrap; gap:0; align-items:center}
.footer-link{color:var(--muted)}
.footer-link:hover{color:var(--neon1)}
.footer-sep{color:rgba(255,255,255,.25)}