:root{
  --bg:#0b1220;
  --bg2:#0f1b33;
  --card:#111c33;
  --muted:#93a4c7;
  --text:#eaf0ff;
  --line:rgba(255,255,255,.10);
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --primary:#38bdf8;
  --primary2:#60a5fa;
  --radius:18px;
  --radius2:24px;
  --max:1120px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,"Noto Sans",sans-serif;
  color:var(--text);
  min-height:100vh;
  display:flex;
  flex-direction:column;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(56,189,248,.35), transparent 55%),
    radial-gradient(900px 500px at 90% 0%, rgba(96,165,250,.25), transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, #070c17 100%);
}

main{flex:1 0 auto}

a{color:inherit}
.muted{color:var(--muted)}
.tiny{font-size:12px}
.maxw-720{max-width:720px}

.container{
  width:100%;
  max-width:var(--max);
  margin:0 auto;
  padding:0 16px;
}

.skip-link{
  position:absolute;
  left:-9999px;
  top:12px;
  background:#fff;
  color:#000;
  padding:10px 12px;
  border-radius:12px;
  z-index:9999;
}
.skip-link:focus{left:12px}

.site-header{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter:saturate(160%) blur(12px);
  background:rgba(11,18,32,.65);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:12px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  min-width:220px;
}
.brand-mark{
  width:42px;
  height:42px;
  display:grid;
  place-items:center;
  border-radius:14px;
  background:linear-gradient(135deg, rgba(56,189,248,.95), rgba(96,165,250,.75));
  color:#071022;
  font-weight:800;
  letter-spacing:.5px;
  box-shadow:0 16px 40px rgba(56,189,248,.25);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-weight:700}
.brand-sub{font-size:12px;color:var(--muted);margin-top:4px}

.nav{
  display:flex;
  gap:10px;
  align-items:center;
}
.nav-link{
  text-decoration:none;
  color:rgba(234,240,255,.9);
  padding:10px 10px;
  border-radius:12px;
  border:1px solid transparent;
}
.nav-link:hover{
  background:rgba(255,255,255,.04);
  border-color:rgba(255,255,255,.06);
}
.nav-link.is-active,
.nav-link[aria-current="page"]{
  background:rgba(56,189,248,.12);
  border-color:rgba(56,189,248,.28);
  color:rgba(234,240,255,.98);
}

.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
}

.chip{
  text-decoration:none;
  display:flex;
  flex-direction:column;
  gap:2px;
  padding:10px 12px;
  border-radius:14px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
}
.chip-label{font-size:12px;color:var(--muted)}
.chip-strong{font-weight:700}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:10px 14px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.10);
  text-decoration:none;
  background:rgba(255,255,255,.04);
  color:var(--text);
  cursor:pointer;
  font-weight:600;
}
.btn:hover{background:rgba(255,255,255,.06)}
.btn:active{transform:translateY(1px)}
.btn-primary{
  border-color:rgba(56,189,248,.35);
  background:linear-gradient(135deg, rgba(56,189,248,.95), rgba(96,165,250,.75));
  color:#071022;
  box-shadow:0 18px 50px rgba(56,189,248,.18);
}
.btn-primary:hover{filter:saturate(1.05) brightness(1.02)}
.btn-secondary{
  border-color:rgba(96,165,250,.35);
  background:rgba(96,165,250,.10);
}
.btn-ghost{
  background:transparent;
  border-color:rgba(255,255,255,.14);
}
.btn-lg{padding:12px 16px;border-radius:16px}

.burger{display:none}
.burger-lines{
  width:20px;height:14px;display:block;position:relative;
}
.burger-lines:before,
.burger-lines:after{
  content:"";
  position:absolute;left:0;right:0;height:2px;border-radius:2px;
  background:rgba(234,240,255,.92);
}
.burger-lines:before{top:0;box-shadow:0 6px 0 rgba(234,240,255,.92)}
.burger-lines:after{bottom:0}

.hero{padding:42px 0 26px}
.hero-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:22px;
  align-items:start;
}
.hero-min{
  padding:56px 0 26px;
}
.hero-min .hero-grid{
  grid-template-columns:1fr;
  gap:18px;
  align-items:center;
}
.hero-min .hero-copy{
  max-width:820px;
}
.hero-min .badge{margin-bottom:16px}
.hero-min .hero-cta{margin-bottom:16px}

.quick-actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:8px;
}
.quick-actions .btn{
  padding:12px 16px;
  border-radius:16px;
}

.mini{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:12px;
  margin-top:18px;
}
.mini .card{
  padding:14px;
  background:rgba(255,255,255,.035);
}
.mini strong{display:block;margin-bottom:6px}
.badge{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:8px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  color:rgba(234,240,255,.92);
  margin:0 0 14px;
}
.badge-dot{
  width:9px;height:9px;border-radius:99px;
  background:linear-gradient(135deg, var(--primary), var(--primary2));
  box-shadow:0 0 0 4px rgba(56,189,248,.18);
}

.h1{font-size:42px;line-height:1.06;margin:0 0 14px;letter-spacing:-.02em}
.h2{font-size:30px;line-height:1.15;margin:0}
.h3{font-size:20px;margin:0}
.h4{font-size:16px;margin:0}
.lead{font-size:16px;line-height:1.6;color:rgba(234,240,255,.86);margin:0 0 18px}

.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin:0 0 18px}
.hero-points{
  margin:0;
  padding:0 0 0 18px;
  color:rgba(234,240,255,.86);
  line-height:1.6;
}

.hero-card{
  border-radius:var(--radius2);
  background:
    radial-gradient(600px 220px at 20% 0%, rgba(56,189,248,.18), transparent 55%),
    rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.10);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.hero-card-top{padding:18px 18px 0}
.form{padding:16px 18px 18px;display:flex;flex-direction:column;gap:12px}
.field{display:flex;flex-direction:column;gap:6px}
.field-label{font-size:12px;color:var(--muted)}
.input{
  width:100%;
  padding:12px 12px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(11,18,32,.55);
  color:var(--text);
  outline:none;
}
.input:focus{
  border-color:rgba(56,189,248,.55);
  box-shadow:0 0 0 4px rgba(56,189,248,.14);
}
.textarea{resize:vertical;min-height:96px}
.form-note{margin:0;font-size:12px}
.form-status{margin:0;font-size:13px;min-height:18px}

.section{padding:44px 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:18px;
}

/* Точечная подстройка подзаголовка в секции сборки на главной */
.sb-sub{transform:translateX(18px)}

.cards{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:14px;
}
.card{
  padding:16px;
  border-radius:var(--radius);
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.10);
}
.card:hover{
  background:rgba(255,255,255,.055);
  border-color:rgba(255,255,255,.14);
}
.card--span-3{
  grid-column:1 / -1;
}
.list{margin:10px 0 0;padding:0 0 0 18px;color:rgba(234,240,255,.86);line-height:1.55}

.price-grid{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:14px;
}
.price{
  padding:16px;
  border-radius:var(--radius);
  background:rgba(17,28,51,.55);
  border:1px solid rgba(255,255,255,.10);
}
.price-top{display:flex;align-items:baseline;justify-content:space-between;gap:10px}
.price-value{
  margin:0;
  font-weight:800;
  letter-spacing:-.01em;
  color:rgba(234,240,255,.95);
}

.cta-row{
  margin-top:16px;
  padding:14px;
  border-radius:var(--radius);
  background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.08);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.cta-box p{margin:6px 0 0}

.steps{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  grid-template-columns:repeat(5, minmax(0, 1fr));
  gap:12px;
}
.step{
  border-radius:var(--radius);
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.10);
  padding:14px;
  display:flex;
  gap:10px;
}
.step-num{
  width:30px;height:30px;border-radius:12px;
  display:grid;place-items:center;
  background:rgba(56,189,248,.14);
  border:1px solid rgba(56,189,248,.28);
  color:rgba(234,240,255,.95);
  font-weight:800;
}

.reviews{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:14px;
}
.review{
  margin:0;
  padding:16px;
  border-radius:var(--radius);
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.10);
}
.review blockquote{margin:0 0 10px;color:rgba(234,240,255,.88);line-height:1.6}
.review-name{font-weight:700}

.faq{display:grid;grid-template-columns:1fr;gap:10px}
.faq-item{
  border-radius:var(--radius);
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.04);
  padding:14px 16px;
}
.faq-item summary{cursor:pointer;font-weight:700}
.faq-item p{margin:10px 0 0;line-height:1.6}

.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
}
.contact-card{
  border-radius:var(--radius2);
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.10);
  padding:16px;
}
.contact-list{display:flex;flex-direction:column;gap:8px;margin-top:10px}
.contact-link{text-decoration:none}
.contact-link:hover{text-decoration:underline}
.contact-card--stack{display:flex;flex-direction:column}
.contact-address{margin:12px 0 0}
.contact-card--stack .contact-address{margin-top:auto;padding-top:14px}
.contact-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}

.site-footer{
  padding:26px 0;
  border-top:1px solid rgba(255,255,255,.06);
}
.footer-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
}
.footer-links{display:flex;gap:12px}
.footer-links a{text-decoration:none}
.footer-links a:hover{text-decoration:underline}

/* Mobile */
@media (max-width: 980px){
  .hero-grid{grid-template-columns:1fr}
  .cards,.price-grid,.reviews{grid-template-columns:repeat(2, minmax(0, 1fr))}
  .steps{grid-template-columns:repeat(2, minmax(0, 1fr))}
  .contact-grid{grid-template-columns:1fr}
  .brand{min-width:auto}
  .mini{grid-template-columns:repeat(2, minmax(0, 1fr))}
}

@media (max-width: 720px){
  .h1{font-size:32px}
  .section-head{flex-direction:column;align-items:flex-start}
  .sb-sub{transform:none}
  .chip{display:none}
  .burger{display:inline-flex}
  .nav{
    position:fixed;
    inset:64px 12px auto 12px;
    padding:12px;
    border-radius:18px;
    background:rgba(11,18,32,.92);
    border:1px solid rgba(255,255,255,.10);
    box-shadow:var(--shadow);
    display:none;
    flex-direction:column;
    align-items:stretch;
  }
  .nav.is-open{display:flex}
  .nav-link{padding:12px 12px}
  .cards,.price-grid,.reviews{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .cta-row{flex-direction:column;align-items:stretch}
  .mini{grid-template-columns:1fr}
}