:root{
  --bg:#0b0f17;
  --card:#111827;
  --text:#e5e7eb;
  --muted:#9ca3af;
  --line:rgba(255,255,255,.10);
  --accent:#22c55e;
  --accent2:#60a5fa;
  --shadow: 0 18px 60px rgba(0,0,0,.35);
  --radius: 18px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Helvetica Neue", sans-serif;
  background: radial-gradient(1100px 700px at 20% 0%, rgba(96,165,250,.25), transparent 60%),
              radial-gradient(900px 650px at 80% 10%, rgba(34,197,94,.22), transparent 55%),
              var(--bg);
  color:var(--text);
}

.container{
  width:min(1120px, calc(100% - 32px));
  margin:0 auto;
}

.link{color:var(--text); text-decoration:none; border-bottom:1px dashed rgba(255,255,255,.25)}
.link:hover{border-bottom-color:rgba(255,255,255,.55)}

.muted{color:var(--muted)}
.dot{opacity:.6; margin:0 10px}

/* Topbar */
.topbar{
  position:sticky;
  top:0;
  z-index:20;
  background: rgba(10, 14, 22, .75);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
}
.topbar__inner{
  display:flex;
  gap:12px;
  justify-content:space-between;
  align-items:center;
  padding:10px 0;
  font-size:14px;
}
.topbar__contacts{display:flex; align-items:center; gap:10px}

/* Header */
.header{
  position:sticky;
  top:41px;
  z-index:19;
  background: rgba(10, 14, 22, .65);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
}
.header__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 0;
  gap:16px;
}

.logo{
  display:flex; align-items:center; gap:10px;
  text-decoration:none; color:var(--text);
}
.logo__mark{font-size:20px}
.logo__text{font-weight:800; letter-spacing:.2px}

.nav{
  display:flex;
  gap:18px;
  align-items:center;
}
.nav a{
  text-decoration:none;
  color:var(--muted);
  font-weight:600;
  font-size:14px;
}
.nav a:hover{color:var(--text)}

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

/* Buttons */
.btn{
  appearance:none;
  border:1px solid rgba(255,255,255,.16);
  background: linear-gradient(135deg, rgba(34,197,94,.95), rgba(96,165,250,.85));
  color:#061018;
  font-weight:800;
  border-radius: 999px;
  padding:12px 16px;
  text-decoration:none;
  display:inline-flex;
  justify-content:center;
  align-items:center;
  gap:8px;
  box-shadow: var(--shadow);
  cursor:pointer;
}
.btn:hover{filter:brightness(1.05)}
.btn--ghost{
  background: transparent;
  color:var(--text);
  box-shadow:none;
}
.btn--wide{width:100%}
.btn--sm{padding:10px 14px; font-size:14px}

/* Burger */
.burger{
  display:none;
  width:44px;
  height:44px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.16);
  background:transparent;
  cursor:pointer;
}
.burger span{
  display:block;
  height:2px;
  background:var(--text);
  margin:6px 10px;
  border-radius:10px;
  opacity:.9;
}

/* Hero */
.hero{
  padding:36px 0 10px;
}
.hero__grid{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap:18px;
  align-items:stretch;
}
.hero h1{
  font-size: clamp(28px, 3.2vw, 44px);
  margin:0 0 10px;
  letter-spacing:-.4px;
}
.lead{
  margin:0 0 14px;
  color:var(--muted);
  line-height:1.55;
  font-size:16px;
}
.bullets{
  margin:0 0 18px;
  padding-left:18px;
  color:var(--text);
  opacity:.95;
}
.bullets li{margin:8px 0}

.hero__cta{display:flex; gap:10px; flex-wrap:wrap; margin: 8px 0 14px}
.hero__trust{display:flex; gap:10px; flex-wrap:wrap}
.pill{
  border:1px solid rgba(255,255,255,.16);
  background: rgba(17,24,39,.65);
  padding:10px 12px;
  border-radius:999px;
  font-size:13px;
  color:var(--text);
}

/* Hero Card */
.hero__card{
  border:1px solid rgba(255,255,255,.16);
  background: rgba(17,24,39,.72);
  border-radius: var(--radius);
  padding:18px;
  box-shadow: var(--shadow);
}
.hero__card h2{margin:0 0 6px; font-size:20px}
.form{display:grid; gap:12px; margin-top:14px}
label span{display:block; font-size:12px; color:var(--muted); margin:0 0 6px}
input, select, textarea{
  width:100%;
  padding:12px 12px;
  border-radius: 12px;
  border:1px solid rgba(255,255,255,.16);
  background: rgba(8, 11, 18, .6);
  color:var(--text);
  outline:none;
}
textarea{resize:vertical}
input:focus, select:focus, textarea:focus{border-color: rgba(96,165,250,.7)}
.fineprint{font-size:12px; color:var(--muted); line-height:1.4; margin:0}

.form__success{
  margin-top:14px;
  border-top:1px solid var(--line);
  padding-top:14px;
}
.success__title{font-weight:900; margin-bottom:6px}
.success__actions{display:flex; gap:10px; flex-wrap:wrap; margin:10px 0}
.success__msg{
  margin:0;
  padding:12px;
  border-radius:12px;
  background: rgba(8, 11, 18, .6);
  border:1px solid rgba(255,255,255,.12);
  white-space:pre-wrap;
  word-break:break-word;
  color:var(--text);
}

/* Sections */
.section{padding:56px 0}
.section--alt{
  background: rgba(255,255,255,.03);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section__head{
  margin-bottom:18px;
}
.section__head h2{
  margin:0 0 8px;
  font-size: clamp(22px, 2.3vw, 30px);
}
.cards{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
}
.card{
  border:1px solid rgba(255,255,255,.14);
  background: rgba(17,24,39,.68);
  border-radius: var(--radius);
  padding:16px;
}
.card h3{margin:0 0 8px}
.card__link{display:inline-block; margin-top:10px; color:var(--text); opacity:.9; text-decoration:none}
.card__link:hover{opacity:1}
.card--accent{
  background: linear-gradient(135deg, rgba(34,197,94,.18), rgba(96,165,250,.16));
  border-color: rgba(96,165,250,.25);
}
.stack{display:flex; gap:10px; flex-wrap:wrap; margin-top:10px}

/* Prices */
.prices{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
}
.price{
  border:1px solid rgba(255,255,255,.14);
  background: rgba(17,24,39,.68);
  border-radius: var(--radius);
  padding:16px;
}
.price__title{color:var(--muted); font-weight:700}
.price__value{font-weight:900; font-size:26px; margin:8px 0}
.price__note{font-size:13px; line-height:1.45}
.note{
  margin-top:14px;
  padding:14px 16px;
  border-radius: var(--radius);
  border:1px solid rgba(255,255,255,.14);
  background: rgba(17,24,39,.52);
}

/* Steps */
.steps{
  list-style:none;
  padding:0;
  margin:0;
  display:grid;
  gap:12px;
}
.steps li{
  display:flex;
  gap:12px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(17,24,39,.68);
  border-radius: var(--radius);
  padding:16px;
}
.step__num{
  width:38px; height:38px;
  border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  background: rgba(96,165,250,.2);
  border:1px solid rgba(96,165,250,.35);
  font-weight:900;
}

/* Accordion */
.accordion{display:grid; gap:10px}
.acc-item{
  border:1px solid rgba(255,255,255,.14);
  background: rgba(17,24,39,.68);
  border-radius: var(--radius);
  overflow:hidden;
}
.acc-btn{
  width:100%;
  display:flex;
  justify-content:space-between;
  gap:14px;
  align-items:center;
  padding:14px 16px;
  background:transparent;
  border:none;
  color:var(--text);
  font-weight:800;
  cursor:pointer;
  text-align:left;
}
.acc-ico{opacity:.8; font-size:18px}
.acc-panel{
  padding:0 16px 14px;
  color:var(--muted);
  display:none;
}
.acc-item.open .acc-panel{display:block}
.acc-item.open .acc-ico{transform:rotate(45deg)}

/* Contacts */
.contact-grid{
  display:grid;
  grid-template-columns: .9fr 1.1fr;
  gap:14px;
  align-items:stretch;
}
.contact-card{
  border:1px solid rgba(255,255,255,.14);
  background: rgba(17,24,39,.68);
  border-radius: var(--radius);
  padding:16px;
}
.contact-row{display:flex; gap:10px; align-items:center; margin:10px 0}
.contact-actions{display:flex; gap:10px; flex-wrap:wrap; margin-top:12px}

.map{
  border:1px solid rgba(255,255,255,.14);
  background: rgba(17,24,39,.68);
  border-radius: var(--radius);
  overflow:hidden;
}
.map__placeholder{
  padding:16px;
  min-height: 220px;
}
.map__title{font-weight:900; margin-bottom:8px}

/* Footer */
.footer{
  border-top:1px solid var(--line);
  padding:16px 0 70px;
  background: rgba(10, 14, 22, .55);
}
.footer__inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:10px;
}

/* Floating buttons */
.float{
  position:fixed;
  right:14px;
  bottom:14px;
  display:grid;
  gap:10px;
  z-index:30;
}
.float__btn{
  width:52px; height:52px;
  border-radius:999px;
  display:flex; align-items:center; justify-content:center;
  text-decoration:none;
  background: rgba(17,24,39,.85);
  border:1px solid rgba(255,255,255,.16);
  box-shadow: var(--shadow);
  color:var(--text);
  font-size:22px;
}

/* Responsive */
@media (max-width: 920px){
  .hero__grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .cards{grid-template-columns: repeat(2, 1fr)}
  .prices{grid-template-columns:1fr}
}
@media (max-width: 680px){
  .nav{display:none}
  .burger{display:inline-block}
  .cards{grid-template-columns:1fr}
}