:root{
  --bg0:#070b14;
  --bg1:#0b1430;
  --bg2:#0f1c3f;
  --card:rgba(255,255,255,.06);
  --card2:rgba(255,255,255,.08);
  --stroke:rgba(255,255,255,.12);
  --text:#e8eefc;
  --muted:#aebcde;
  --blue:#4da3ff;
  --cyan:#52e4ff;
  --orange:#ff9b3d;
  --good:#30d07a;
  --bad:#ff5d5d;
  --shadow: 0 18px 60px rgba(0,0,0,.45);
  --radius:18px;
  --radius2:22px;
  --container: 1120px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(1200px 700px at 20% -10%, rgba(77,163,255,.22), transparent 65%),
    radial-gradient(900px 600px at 95% 10%, rgba(82,228,255,.12), transparent 55%),
    radial-gradient(900px 700px at 30% 110%, rgba(255,155,61,.10), transparent 55%),
    linear-gradient(180deg, var(--bg0), var(--bg1) 45%, var(--bg0));
  overflow-x:hidden;
}

a{color:inherit}
.container{width:min(var(--container), calc(100% - 40px)); margin:0 auto}
.muted{color:var(--muted)}
.link{color:var(--cyan); text-decoration:none}
.link:hover{text-decoration:underline}

.bg-grid{
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity:.08;
  mask-image: radial-gradient(900px 500px at 30% 25%, black, transparent 70%);
}

.topbar{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter: blur(14px);
  background: rgba(7,11,20,.55);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.topbar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:14px 0;
}

.brand{display:flex; align-items:center; gap:10px; text-decoration:none}
.brand__mark{
  width:36px;height:36px;border-radius:12px;
  display:grid;place-items:center;
  background: linear-gradient(135deg, rgba(77,163,255,.25), rgba(82,228,255,.10));
  border:1px solid rgba(255,255,255,.12);
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
}
.brand__text{font-weight:700; letter-spacing:.2px}

.nav{display:flex; align-items:center; gap:14px; flex-wrap:wrap; justify-content:flex-end}
.nav__link{
  text-decoration:none;
  color:var(--muted);
  font-weight:600;
  font-size:14px;
  padding:10px 12px;
  border-radius:12px;
  transition: transform .18s ease, background .18s ease, color .18s ease;
}
.nav__link:hover{
  color:var(--text);
  background: rgba(255,255,255,.06);
  transform: translateY(-1px);
}
.nav__link--accent{
  color:var(--text);
  background: linear-gradient(135deg, rgba(255,155,61,.22), rgba(77,163,255,.18));
  border:1px solid rgba(255,255,255,.12);
}

.hero{padding:56px 0 10px}
.hero__inner{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap:28px;
  align-items:start;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:10px 12px;
  border-radius:999px;
  background: rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.10);
  color:var(--muted);
  font-weight:600;
  font-size:13px;
}
.badge__dot{
  width:9px;height:9px;border-radius:999px;
  background: radial-gradient(circle at 35% 35%, var(--cyan), var(--blue));
  box-shadow: 0 0 0 4px rgba(82,228,255,.15);
}
.h1{margin:16px 0 10px; font-size:44px; line-height:1.04; letter-spacing:-.6px}
.lead{margin:0; font-size:18px; color:var(--muted); line-height:1.55}

.hero__cta{display:flex; gap:10px; flex-wrap:wrap; margin-top:18px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  border-radius:14px;
  padding:12px 14px;
  text-decoration:none;
  font-weight:700;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  color:var(--text);
  cursor:pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
  user-select:none;
}
.btn:hover{transform: translateY(-2px); box-shadow: var(--shadow); border-color: rgba(255,255,255,.18)}
.btn:active{transform: translateY(0px); box-shadow:none}
.btn--primary{
  background: linear-gradient(135deg, rgba(77,163,255,.36), rgba(82,228,255,.18));
  border-color: rgba(82,228,255,.22);
}
.btn--ghost{background: rgba(255,255,255,.04)}
.btn--wide{width:100%}
.btn--small{padding:10px 12px; border-radius:12px; font-size:14px}

.hero__facts{
  display:grid;
  grid-template-columns: 1fr;
  gap:12px;
  margin-top:22px;
}
.fact{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:14px 14px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.10);
}
.fact__icon{
  width:40px;height:40px;border-radius:14px;
  display:grid;place-items:center;
  background: rgba(77,163,255,.14);
  border:1px solid rgba(255,255,255,.10);
  color: var(--cyan);
}
.fact__title{font-weight:800}
.fact__sub{color:var(--muted); font-size:14px; margin-top:3px}

.panel{
  border-radius: var(--radius2);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.12);
  box-shadow: 0 18px 70px rgba(0,0,0,.35);
  overflow:hidden;
}
.panel__header{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 14px;
  background: rgba(0,0,0,.18);
  border-bottom:1px solid rgba(255,255,255,.10);
}
.panel__title{font-weight:800; display:flex; align-items:center; gap:10px}
.panel__chip{
  font-weight:800;
  font-size:12px;
  color: #03121f;
  padding:6px 10px;
  border-radius:999px;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
}
.panel__body{padding:14px 14px 16px}
.checklist{list-style:none; padding:0; margin:0; display:grid; gap:10px}
.checklist li{
  display:flex; align-items:flex-start; gap:10px;
  color:var(--muted);
}
.checklist i{color: var(--good); margin-top:2px}
.panel__note{
  margin-top:14px;
  padding:12px 12px;
  border-radius: 14px;
  background: rgba(255,155,61,.08);
  border:1px solid rgba(255,155,61,.18);
  color: var(--text);
  display:flex; gap:10px; align-items:flex-start;
}
.panel__note i{color: var(--orange); margin-top:2px}

.callout{
  margin-top:12px;
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:14px 14px;
  border-radius: var(--radius2);
  background: rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.10);
}
.callout__icon{
  width:44px;height:44px;border-radius:16px;
  display:grid;place-items:center;
  background: rgba(82,228,255,.10);
  border:1px solid rgba(255,255,255,.10);
  color: var(--cyan);
}
.callout__title{font-weight:900}
.callout__sub{color:var(--muted); margin-top:4px; line-height:1.45}

.section{padding:56px 0}
.section--alt{
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,0));
  border-top:1px solid rgba(255,255,255,.06);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.section__head{display:flex; align-items:flex-end; justify-content:space-between; gap:16px; margin-bottom:22px; flex-wrap:wrap}
.h2{margin:0; font-size:30px; letter-spacing:-.3px}
.h3{margin:10px 0 8px; font-size:18px}

.grid{display:grid; gap:16px}
.grid--3{grid-template-columns: repeat(3, 1fr)}
.grid--2{grid-template-columns: repeat(2, 1fr)}

.card{
  position:relative;
  padding:18px 18px;
  border-radius: var(--radius2);
  background: rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.10);
  transition: transform .18s ease, border-color .18s ease, background .18s ease, box-shadow .18s ease;
  overflow:hidden;
}
.card:hover{
  transform: translateY(-4px);
  border-color: rgba(82,228,255,.20);
  background: rgba(255,255,255,.05);
  box-shadow: var(--shadow);
}
.card--glow::before{
  content:"";
  position:absolute;
  inset:-2px;
  background: radial-gradient(520px 220px at 20% 0%, rgba(82,228,255,.22), transparent 65%),
              radial-gradient(520px 220px at 80% 100%, rgba(255,155,61,.14), transparent 65%);
  opacity:.55;
  pointer-events:none;
}
.card--glow > *{position:relative}
.card__icon{
  width:46px;height:46px;border-radius:16px;
  display:grid;place-items:center;
  background: rgba(77,163,255,.12);
  border:1px solid rgba(255,255,255,.10);
  color: var(--cyan);
}
.list{
  margin:12px 0 0;
  padding-left:18px;
  color:var(--muted);
  line-height:1.55;
}
.list li{margin:6px 0}

.feature{
  padding:16px 16px;
  border-radius: var(--radius2);
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  display:flex; gap:12px;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.feature:hover{transform: translateY(-3px); box-shadow: var(--shadow); border-color: rgba(255,255,255,.16)}
.feature__icon{
  width:46px;height:46px;border-radius:16px;
  display:grid;place-items:center;
  background: rgba(82,228,255,.10);
  border:1px solid rgba(255,255,255,.10);
  color: var(--cyan);
  flex:0 0 auto;
}
.feature__title{font-weight:900; margin-bottom:4px}

.pill-row{display:flex; flex-wrap:wrap; gap:10px}
.pill{
  display:inline-flex; align-items:center; gap:10px;
  padding:10px 12px;
  border-radius:999px;
  background: rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.10);
  color:var(--muted);
  font-weight:700;
}
.pill i{color: var(--cyan)}

.price-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
}
.price-card{
  padding:16px 16px;
  border-radius: var(--radius2);
  background: rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.10);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.price-card:hover{transform: translateY(-3px); box-shadow: var(--shadow); border-color: rgba(82,228,255,.18)}
.price-card__top{display:flex; align-items:baseline; justify-content:space-between; gap:12px}
.price-card__title{font-weight:900}
.price-card__value{
  font-weight:950;
  color: var(--text);
  background: rgba(77,163,255,.12);
  border:1px solid rgba(255,255,255,.10);
  padding:8px 10px;
  border-radius:14px;
  white-space:nowrap;
}
.price-card__desc{margin-top:10px; line-height:1.45}
.price-card--warn .price-card__value{
  background: rgba(255,155,61,.12);
  border-color: rgba(255,155,61,.18);
}

.about{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
}
.about__card{
  padding:16px 16px;
  border-radius: var(--radius2);
  background: rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.10);
}
.about__title{
  font-weight:950;
  display:flex; align-items:center; gap:10px;
  margin-bottom:10px;
}
.about__title i{color: var(--cyan)}
.mini-cta{display:flex; gap:10px; flex-wrap:wrap; margin-top:12px}

.contact-grid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap:14px;
  align-items:start;
}
.contact-card{
  padding:18px 18px;
  border-radius: var(--radius2);
  background: rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.10);
}
.contact-card--info{
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
}
.contact-card__title{
  font-weight:950;
  display:flex; align-items:center; gap:10px;
  margin-bottom:8px;
}
.contact-card__title i{color: var(--cyan)}

.form{margin-top:12px; display:grid; gap:12px}
.form__row{display:grid; grid-template-columns: 1fr 1fr; gap:12px}
.field{display:grid; gap:8px}
.field__label{font-weight:800; color:var(--muted); font-size:13px}
input, textarea, select{
  width:100%;
  padding:12px 12px;
  border-radius: 14px;
  background: rgba(7,11,20,.55);
  border:1px solid rgba(255,255,255,.12);
  color:var(--text);
  outline:none;
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}
textarea{resize:vertical; min-height:120px}
input::placeholder, textarea::placeholder{color: rgba(174,188,222,.70)}
input:focus, textarea:focus, select:focus{
  border-color: rgba(82,228,255,.26);
  box-shadow: 0 0 0 4px rgba(82,228,255,.10);
}

.form__actions{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  margin-top:4px;
}
.form__status{
  font-weight:800;
  font-size:14px;
  padding:10px 12px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  color: var(--muted);
  flex:1 1 260px;
  min-height:42px;
  display:flex;
  align-items:center;
}
.form__status--loading{color: var(--cyan); border-color: rgba(82,228,255,.18)}
.form__status--success{color: var(--good); border-color: rgba(48,208,122,.22)}
.form__status--error{color: var(--bad); border-color: rgba(255,93,93,.22)}

.contact-actions{display:grid; gap:10px; margin-top:12px}
.divider{height:1px; background: rgba(255,255,255,.10); margin:16px 0}
.mini-faq{display:grid; gap:12px}
.mini-faq__q{font-weight:900; display:flex; align-items:center; gap:10px}
.mini-faq__q i{color: var(--orange)}
.mini-faq__a{margin-left:26px; margin-top:4px}

.footer{
  padding:24px 0;
  border-top:1px solid rgba(255,255,255,.08);
  background: rgba(7,11,20,.55);
}
.footer__inner{display:flex; align-items:center; justify-content:space-between; gap:16px; flex-wrap:wrap}
.footer__brand{display:flex; align-items:flex-start; gap:12px}

@media (max-width: 980px){
  .hero__inner{grid-template-columns: 1fr; }
  .grid--3{grid-template-columns: 1fr}
  .grid--2{grid-template-columns: 1fr}
  .price-grid{grid-template-columns: 1fr}
  .about{grid-template-columns: 1fr}
  .contact-grid{grid-template-columns: 1fr}
  .h1{font-size:36px}
}

/* Мобильные: меньше «плывущих» градиентов при инерционной прокрутке (GPU/композитинг) */
@media (max-width: 768px){
  html{
    -webkit-text-size-adjust:100%;
  }
  body{
    background-color:var(--bg0);
    background-image:linear-gradient(180deg, var(--bg0) 0%, var(--bg1) 45%, var(--bg0) 100%);
  }
  .bg-grid{display:none !important;}
  .topbar{
    -webkit-backdrop-filter:none;
    backdrop-filter:none;
    background:rgba(7,11,20,.94);
  }
  .section--alt{
    background:rgba(255,255,255,.02);
    border-top-color:rgba(255,255,255,.05);
    border-bottom-color:rgba(255,255,255,.05);
  }
}

@media (prefers-reduced-motion: reduce){
  *{transition:none !important; scroll-behavior:auto !important}
}