:root{
  --bg:#f5f1ee;
  --surface:rgba(255,255,255,.78);
  --surface2:rgba(255,255,255,.62);
  --text:#101114;
  --muted:rgba(16,17,20,.68);
  --stroke:rgba(16,17,20,.10);
  --primary:#111827;
  --primaryText:#ffffff;
  --shadow:0 18px 50px rgba(16,17,20,.12);
  --radius:18px;
  --max:1120px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:'Manrope',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
}

a{color:inherit;text-decoration:none}

.container{max-width:1120px;margin:0 auto;padding:0 20px}

.top{
  position:sticky;
  top:0;
  z-index:10;
  background:rgba(245,241,238,.78);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--stroke);
}
.top__row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0}

.brand{display:flex;align-items:center;gap:12px;min-width:220px}
.brand__logo{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(145deg,#111827,#4b5563);
  box-shadow:0 10px 25px rgba(17,24,39,.18);
}
.brand__title{font-weight:800;letter-spacing:.2px}
.brand__subtitle{font-size:12px;color:var(--muted);margin-top:2px}

.top__actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.top__phone{font-weight:700;color:rgba(17,24,39,.92);padding:10px 12px;border-radius:12px}
.top__phone:hover{background:rgba(255,255,255,.55)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 14px;
  border-radius:14px;
  border:1px solid var(--stroke);
  background:transparent;
  font-weight:700;
  line-height:1;
  cursor:pointer;
  transition:transform .08s ease, background .15s ease, box-shadow .15s ease;
}
.btn:active{transform:translateY(1px)}
.btn--primary{
  background:var(--primary);
  color:var(--primaryText);
  border-color:rgba(17,24,39,.22);
  box-shadow:0 12px 30px rgba(17,24,39,.18);
}
.btn--primary:hover{box-shadow:0 16px 40px rgba(17,24,39,.22)}
.btn--ghost{background:rgba(255,255,255,.55)}
.btn--ghost:hover{background:rgba(255,255,255,.75)}
.btn--wide{width:100%}

.hero{padding:44px 0 10px}
.hero__grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:start}

.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.72);
  border:1px solid var(--stroke);
  box-shadow:0 10px 24px rgba(16,17,20,.08);
  font-weight:800;
  font-size:13px;
}

h1{margin:14px 0 12px;font-size:44px;line-height:1.05;letter-spacing:-.6px}
.lead{margin:0 0 18px;font-size:16.5px;color:var(--muted);max-width:56ch}

.hero__cta{display:flex;gap:10px;flex-wrap:wrap;margin:12px 0 18px}

.hero__trust{display:flex;gap:12px;flex-wrap:wrap;margin:10px 0 12px}
.trust{
  padding:12px 14px;
  border-radius:16px;
  background:rgba(255,255,255,.65);
  border:1px solid var(--stroke);
  box-shadow:0 12px 30px rgba(16,17,20,.08);
  min-width:150px;
}
.trust__value{font-weight:900;font-size:18px}
.trust__label{color:var(--muted);font-size:12px;margin-top:2px}

.hero__note{color:var(--muted);font-size:13px}

.card{
  border-radius:var(--radius);
  background:var(--surface);
  border:1px solid var(--stroke);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.card__header{padding:16px 16px 10px}
.card__title{font-weight:900;font-size:16px}
.card__subtitle{color:var(--muted);font-size:12px;margin-top:4px}

.form{padding:0 16px 16px}
.field{display:block;margin-top:12px}
.field__label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px;font-weight:700}
.field__input{
  width:100%;
  padding:12px 12px;
  border-radius:14px;
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.72);
  outline:none;
  font:inherit;
}
.field__input:focus{border-color:rgba(17,24,39,.28);box-shadow:0 0 0 4px rgba(17,24,39,.08)}

.fineprint{margin-top:10px;font-size:11px;color:var(--muted)}
.card__contacts{display:flex;gap:10px;align-items:center;justify-content:center;margin-top:14px;color:var(--muted);font-size:12px;flex-wrap:wrap}
.mini{padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.55);border:1px solid var(--stroke)}
.mini:hover{background:rgba(255,255,255,.75)}
.dot{width:4px;height:4px;border-radius:999px;background:rgba(16,17,20,.25)}

.section{padding:44px 0}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-bottom:18px}
.section__head h2{margin:0;font-size:28px;letter-spacing:-.3px}
.muted{margin:0;color:var(--muted);max-width:68ch}

.grid{display:grid;gap:14px}
.grid--3{grid-template-columns:repeat(3,1fr)}

.tile{
  padding:16px;
  border-radius:var(--radius);
  background:var(--surface2);
  border:1px solid var(--stroke);
  box-shadow:0 14px 38px rgba(16,17,20,.08);
}
.tile h3{margin:0 0 8px;font-size:16px;letter-spacing:-.1px}
.tile__text{margin:0 0 12px;color:var(--muted);font-size:13px;line-height:1.5}
.tile__meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}
.pill{font-size:12px;font-weight:800;padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.65);border:1px solid var(--stroke)}
.link{font-weight:900}
.link:hover{text-decoration:underline}

.price{
  position:relative;
  padding:16px;
  border-radius:var(--radius);
  background:rgba(255,255,255,.70);
  border:1px solid var(--stroke);
  box-shadow:0 14px 38px rgba(16,17,20,.08);
  display:flex;
  flex-direction:column;
  gap:12px;
}
.price__top{display:grid;gap:4px}
.price__name{font-weight:900}
.price__value{font-weight:900;font-size:28px;letter-spacing:-.3px}
.price__desc{color:var(--muted);font-size:12px}
.price--best{border-color:rgba(17,24,39,.22);box-shadow:0 18px 60px rgba(17,24,39,.14)}
.price__tag{
  position:absolute;top:12px;right:12px;
  font-size:11px;font-weight:900;
  padding:6px 10px;border-radius:999px;
  background:rgba(17,24,39,.94);color:#fff;
}

.list{margin:0;padding-left:18px;color:rgba(16,17,20,.82);font-size:13px;line-height:1.55}

.callout{
  margin-top:16px;
  padding:16px;
  border-radius:var(--radius);
  background:rgba(17,24,39,.92);
  color:#fff;
  box-shadow:0 18px 60px rgba(17,24,39,.20);
}
.callout__title{font-weight:900;font-size:16px}
.callout__text{margin-top:8px;color:rgba(255,255,255,.82);font-size:13px;line-height:1.55;max-width:80ch}
.callout__actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}

.quote{
  margin:0;
  padding:16px;
  border-radius:var(--radius);
  background:rgba(255,255,255,.68);
  border:1px solid var(--stroke);
  box-shadow:0 14px 38px rgba(16,17,20,.08);
}
.quote blockquote{margin:0;color:rgba(16,17,20,.82);font-size:13px;line-height:1.6}
.quote figcaption{margin-top:10px;font-weight:900;font-size:12px;color:var(--muted)}

.faq{display:grid;gap:10px}
.faq__item{
  border-radius:var(--radius);
  background:rgba(255,255,255,.68);
  border:1px solid var(--stroke);
  box-shadow:0 14px 38px rgba(16,17,20,.08);
  padding:12px 14px;
}
.faq__item summary{cursor:pointer;font-weight:900}
.faq__content{margin-top:8px;color:var(--muted);font-size:13px;line-height:1.6}

.contact{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.contact__box{
  padding:16px;
  border-radius:var(--radius);
  background:rgba(255,255,255,.70);
  border:1px solid var(--stroke);
  box-shadow:0 14px 38px rgba(16,17,20,.08);
}
.contact__row{display:grid;grid-template-columns:120px 1fr;gap:10px;padding:10px 0;border-bottom:1px solid rgba(16,17,20,.08)}
.contact__row:last-child{border-bottom:none}
.k{color:var(--muted);font-size:12px;font-weight:900}
.v{font-size:13px;font-weight:700;color:rgba(16,17,20,.86)}
.sep{opacity:.5;padding:0 6px}

.contact__actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}

.map{border-radius:16px;background:rgba(17,24,39,.06);border:1px dashed rgba(17,24,39,.22);padding:16px;min-height:220px;display:grid;align-content:start;gap:8px}
.map__title{font-weight:900}
.map__text{color:var(--muted);font-size:13px;line-height:1.55}

.footer{padding-top:28px}
.footer__row{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:var(--muted);font-size:12px;padding:18px 0;border-top:1px solid var(--stroke)}
.footer__left{font-weight:900}
.footer__right{display:flex;gap:10px;align-items:center;flex-wrap:wrap}

@media (max-width:980px){
  .hero__grid{grid-template-columns:1fr;}
  h1{font-size:38px}
  .grid--3{grid-template-columns:1fr}
  .contact{grid-template-columns:1fr}
  .top__row{align-items:flex-start}
}

/* === DEMO SITE watermark (auto) === */
body::before {
  content: "DEMO SITE";
  position: fixed;
  left: clamp(12px, calc((100vw - min(var(--max), (100vw - 2.5rem))) / 4), 96px);
  top: 50%;
  transform: translate(-50%, -50%) rotate(180deg);
  writing-mode: vertical-rl;
  font-weight: 800;
  letter-spacing: 0.28em;
  font-size: 45px;
  text-transform: uppercase;
  opacity: 0.2;
  color: rgba(255, 255, 255, 0.9);
  mix-blend-mode: difference;
  text-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
  pointer-events: none;
  user-select: none;
  z-index: 90;
}