:root{
  --bg:#ffffff;
  --bg-gray:#f5f6f8;
  --text:#16202c;
  --muted:#5b6776;
  --accent:#1f6feb;
  --accent-dark:#1657c4;
  --gold:#f5b301;
  --line:#e6e9ef;
  --radius:16px;
  --shadow:0 8px 30px rgba(16,32,52,.08);
  --maxw:1160px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Manrope',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--text);background:var(--bg);line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  border:none;cursor:pointer;font-family:inherit;font-weight:700;
  padding:14px 26px;border-radius:12px;font-size:16px;transition:.2s;
}
.btn--primary{background:var(--accent);color:#fff}
.btn--primary:hover{background:var(--accent-dark);transform:translateY(-1px)}

/* Header */
.header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.header__inner{display:flex;align-items:center;gap:24px;height:68px}
.logo{font-weight:800;font-size:22px;letter-spacing:-.5px}
.logo__star{color:var(--gold)}
.logo__accent{color:var(--accent)}
.nav{display:flex;gap:26px;margin-left:auto}
.nav a{color:var(--muted);font-weight:600;font-size:15px;transition:.2s}
.nav a:hover{color:var(--text)}
.header__phone{font-weight:700;font-size:16px;white-space:nowrap}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.burger span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:.3s}

/* Hero */
.hero{
  background:linear-gradient(135deg,#0d2b54 0%,#1f6feb 100%);
  color:#fff;padding:72px 0 88px;position:relative;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(245,179,1,.25),transparent 70%);
}
.hero__content{max-width:760px;position:relative;z-index:1}
.hero__title{font-size:48px;line-height:1.1;font-weight:800;letter-spacing:-1px}
.hero__title span{color:var(--gold)}
.hero__subtitle{font-size:19px;color:#d8e3f5;margin-top:18px;max-width:600px}

/* Search */
.search{margin-top:34px;background:#fff;border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.search__row{display:flex;gap:14px;align-items:flex-end;flex-wrap:wrap}
.search__field{display:flex;flex-direction:column;gap:6px;flex:1;min-width:140px}
.search__field label{font-size:13px;font-weight:600;color:var(--muted)}
.search__field select,.search__field input{
  padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-size:15px;
  font-family:inherit;color:var(--text);background:#fff;
}
.search__field select:focus,.search__field input:focus{outline:none;border-color:var(--accent)}
.search__btn{height:46px;white-space:nowrap}

.hero__stats{display:flex;gap:40px;margin-top:40px;flex-wrap:wrap}
.hero__stats b{display:block;font-size:30px;font-weight:800;color:#fff}
.hero__stats span{color:#bcd0ee;font-size:14px}

/* Sections */
.section{padding:80px 0}
.section--gray{background:var(--bg-gray)}
.section__title{font-size:36px;font-weight:800;letter-spacing:-.8px;text-align:center}
.section__lead{text-align:center;color:var(--muted);font-size:17px;margin:14px auto 0;max-width:620px}

/* Cards grid */
.cards{display:grid;gap:24px;margin-top:46px}
.cards--3{grid-template-columns:repeat(3,1fr)}
.cards--4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.2s}
.card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}

/* Service */
.service__icon{font-size:34px;margin-bottom:14px}
.service h3{font-size:21px;margin-bottom:8px}
.service p{color:var(--muted)}

/* Catalog */
.filters{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:30px}
.chip{
  border:1px solid var(--line);background:#fff;color:var(--muted);
  padding:9px 18px;border-radius:999px;cursor:pointer;font-family:inherit;
  font-weight:600;font-size:14px;transition:.2s;
}
.chip:hover{border-color:var(--accent);color:var(--accent)}
.chip--active{background:var(--accent);border-color:var(--accent);color:#fff}
.estate{padding:0;overflow:hidden;display:flex;flex-direction:column}
.estate__img{height:200px;position:relative;background-size:cover;background-position:center}
.estate__tag{position:absolute;top:14px;left:14px;background:rgba(13,43,84,.9);color:#fff;font-size:12px;font-weight:700;padding:6px 12px;border-radius:999px}
.estate__body{padding:22px;display:flex;flex-direction:column;flex:1}
.estate__price{font-size:24px;font-weight:800;color:var(--text)}
.estate__title{font-size:17px;font-weight:700;margin:6px 0 4px}
.estate__addr{color:var(--muted);font-size:14px}
.estate__params{display:flex;gap:16px;margin-top:14px;padding-top:14px;border-top:1px solid var(--line);color:var(--muted);font-size:14px;flex-wrap:wrap}
.estate__params b{color:var(--text)}
.estate__btn{margin-top:auto;padding-top:18px}
.estate__btn .btn{width:100%}
.catalog__empty{text-align:center;color:var(--muted);margin-top:30px;font-size:16px}

/* Why */
.why__num{font-size:30px;font-weight:800;color:var(--accent);opacity:.35}
.why h3{font-size:18px;margin:10px 0 8px}
.why p{color:var(--muted);font-size:15px}

/* Reviews */
.review{display:flex;flex-direction:column;gap:18px}
.review p{font-size:16px;font-style:italic}
.review footer b{display:block}
.review footer span{color:var(--muted);font-size:14px}

/* CTA */
.cta{background:linear-gradient(135deg,#0d2b54 0%,#143b6e 100%);color:#fff}
.cta__inner{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.cta__text h2{font-size:34px;font-weight:800}
.cta__text p{color:#cdd9ee;margin-top:12px;font-size:17px}
.cta__contacts{list-style:none;margin-top:24px;display:flex;flex-direction:column;gap:12px}
.cta__contacts a:hover{color:var(--gold)}
.lead{background:#fff;border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.lead__field{margin-bottom:14px}
.lead input,.lead textarea{
  width:100%;padding:14px;border:1px solid var(--line);border-radius:10px;
  font-family:inherit;font-size:15px;color:var(--text);resize:vertical;
}
.lead input:focus,.lead textarea:focus{outline:none;border-color:var(--accent)}
.lead__btn{width:100%}
.lead__note{font-size:12px;color:var(--muted);margin-top:12px;text-align:center}
.lead__ok{margin-top:14px;color:#0a8a3c;font-weight:700;text-align:center}

/* Footer */
.footer{background:#0b1b30;color:#cdd6e3;padding:48px 0 24px}
.footer__inner{display:flex;gap:40px;flex-wrap:wrap;justify-content:space-between}
.footer__brand{max-width:300px}
.footer__brand .logo{color:#fff;font-size:20px}
.footer__brand p{margin-top:12px;color:#8ea0b8;font-size:14px}
.footer__nav{display:flex;flex-direction:column;gap:10px}
.footer__nav a:hover{color:#fff}
.footer__contacts{display:flex;flex-direction:column;gap:10px}
.footer__contacts a{font-weight:700;color:#fff}
.footer__bottom{display:flex;justify-content:space-between;margin-top:36px;padding-top:20px;border-top:1px solid #1c2f49;font-size:14px;color:#8ea0b8}

/* Responsive */
@media(max-width:900px){
  .cards--3,.cards--4{grid-template-columns:repeat(2,1fr)}
  .cta__inner{grid-template-columns:1fr;gap:30px}
  .hero__title{font-size:38px}
}
@media(max-width:640px){
  .nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;padding:16px 20px;border-bottom:1px solid var(--line);margin:0}
  .nav.open{display:flex}
  .header__phone{display:none}
  .burger{display:flex;margin-left:auto}
  .cards--3,.cards--4{grid-template-columns:1fr}
  .hero{padding:48px 0 60px}
  .hero__title{font-size:30px}
  .section{padding:56px 0}
  .section__title{font-size:28px}
  .search__btn{width:100%}
}