*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#0d0f12;--dark:#14171c;--soft:#f4f5f7;--gold:#c8a35b;--gold2:#e0c185;
  --ink:#15181d;--muted:#7c828c;--line:#e5e7eb;--wrap:1180px;
}
html{scroll-behavior:smooth}
body{font-family:'Segoe UI',system-ui,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.6;-webkit-font-smoothing:antialiased}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
a{text-decoration:none;color:inherit}
h1,h2,h3{line-height:1.15;font-weight:700;letter-spacing:-.01em}

/* header */
.top{position:sticky;top:0;z-index:50;background:rgba(13,15,18,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.06)}
.top__in{display:flex;align-items:center;gap:32px;height:70px}
.logo{font-size:22px;font-weight:700;color:#fff;letter-spacing:.04em}
.logo__star{color:var(--gold)}
.nav{display:flex;gap:26px;margin-left:auto}
.nav a{color:#cfd3da;font-size:15px;transition:.2s}
.nav a:hover{color:var(--gold)}
.top__phone{color:#fff;font-weight:600;font-size:15px;white-space:nowrap}

/* hero */
.hero{position:relative;min-height:88vh;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero__bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero__overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,12,15,.9) 0%,rgba(10,12,15,.55) 55%,rgba(10,12,15,.2) 100%)}
.hero__in{position:relative;z-index:2;padding:60px 24px;max-width:760px}
.hero__kicker{color:var(--gold);letter-spacing:.14em;text-transform:uppercase;font-size:13px;font-weight:600;margin-bottom:18px}
.hero h1{font-size:clamp(42px,7vw,82px);font-weight:800;margin-bottom:18px}
.hero__sub{font-size:19px;color:#d6d9de;max-width:560px;margin-bottom:34px}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:44px}
.hero__specs{display:flex;gap:44px;flex-wrap:wrap}
.hero__specs div{display:flex;flex-direction:column}
.hero__specs b{font-size:30px;font-weight:800;color:#fff}
.hero__specs span{color:#a9adb5;font-size:13px;text-transform:uppercase;letter-spacing:.08em}

/* buttons */
.btn{display:inline-block;padding:15px 30px;border-radius:2px;font-weight:600;font-size:15px;cursor:pointer;border:1px solid transparent;transition:.2s;text-align:center}
.btn--gold{background:linear-gradient(135deg,var(--gold2),var(--gold));color:#1a1300}
.btn--gold:hover{filter:brightness(1.08);transform:translateY(-2px)}
.btn--ghost{border-color:rgba(255,255,255,.4);color:#fff}
.btn--ghost:hover{background:#fff;color:#111}
.btn--dark{background:var(--ink);color:#fff}
.btn--dark:hover{background:#000}
.btn--full{width:100%}

/* bar */
.bar{background:var(--dark);color:#fff;border-bottom:1px solid rgba(255,255,255,.06)}
.bar__in{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:26px 24px}
.bar__i{display:flex;flex-direction:column}
.bar__i b{color:var(--gold);font-size:17px}
.bar__i span{color:#aeb2ba;font-size:14px}

/* sections */
.section{padding:88px 0}
.section--dark{background:var(--bg);color:#fff}
.section--soft{background:var(--soft)}
.eyebrow{color:var(--gold);text-transform:uppercase;letter-spacing:.14em;font-size:13px;font-weight:700;margin-bottom:10px}
.eyebrow--light{color:var(--gold)}
.h2{font-size:clamp(30px,4vw,44px);margin-bottom:44px}
.h2--light{color:#fff}

/* trims */
.trims{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{position:relative;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff;display:flex;flex-direction:column;transition:.25s}
.card:hover{box-shadow:0 24px 50px rgba(0,0,0,.13);transform:translateY(-4px)}
.card__tag{position:absolute;top:14px;left:14px;z-index:2;background:var(--ink);color:#fff;font-size:12px;font-weight:600;padding:6px 12px;border-radius:2px}
.card__img{width:100%;aspect-ratio:1/.72;object-fit:cover}
.card h3{font-size:22px;padding:20px 22px 6px}
.card__specs{list-style:none;padding:0 22px 8px}
.card__specs li{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--line);font-size:14px}
.card__specs span{color:var(--muted)}
.card__price{font-size:24px;font-weight:800;padding:14px 22px 4px;color:var(--ink)}
.card .btn{margin:16px 22px 22px}

/* features */
.feat{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.feat__i{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.07);border-radius:8px;padding:32px 28px}
.feat__ic{font-size:32px;color:var(--gold);margin-bottom:16px}
.feat__i h3{font-size:20px;margin-bottom:10px;color:#fff}
.feat__i p{color:#b0b4bc;font-size:15px}

/* calc */
.calc{display:grid;grid-template-columns:1.1fr 1fr;gap:0;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.calc__controls{padding:38px}
.fld{display:flex;flex-direction:column;gap:8px;margin-bottom:24px;font-size:14px;font-weight:600;color:var(--ink)}
.fld b{color:var(--gold)}
.fld input[type=text],.fld input[type=tel],.fld input[type=number],.fld select{padding:13px 14px;border:1px solid var(--line);border-radius:4px;font-size:15px;font-weight:400;background:#fff}
.fld input:focus,.fld select:focus{outline:none;border-color:var(--gold)}
input[type=range]{-webkit-appearance:none;height:6px;border-radius:6px;background:var(--line);cursor:pointer}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:var(--gold);border:3px solid #fff;box-shadow:0 2px 6px rgba(0,0,0,.2)}
input[type=range]::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:var(--gold);border:3px solid #fff}
.calc__result{background:var(--bg);color:#fff;padding:38px}
.calc__label{color:#a9adb5;font-size:14px;text-transform:uppercase;letter-spacing:.08em}
.calc__big{font-size:46px;font-weight:800;color:var(--gold2);margin:6px 0 22px}
.calc__rows{list-style:none;margin-bottom:24px}
.calc__rows li{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.08);font-size:15px}
.calc__rows span{color:#b0b4bc}
.calc__rows b{font-weight:700}
.calc__note{color:#8b8f97;font-size:12px;margin-top:12px}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:220px;gap:16px}
.gallery img{width:100%;height:100%;object-fit:cover;border-radius:8px}
.g--big{grid-column:span 2;grid-row:span 2}

/* advantages */
.advantages__in{display:grid;grid-template-columns:1.2fr 1fr;gap:60px;align-items:center}
.checklist{list-style:none;margin-top:18px}
.checklist li{position:relative;padding:11px 0 11px 34px;color:#d3d6dc;font-size:16px;border-bottom:1px solid rgba(255,255,255,.06)}
.checklist li::before{content:'✓';position:absolute;left:0;color:var(--gold);font-weight:700}
.advantages__stats{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.advantages__stats div{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.07);border-radius:8px;padding:26px;text-align:center}
.advantages__stats b{display:block;font-size:34px;font-weight:800;color:var(--gold2)}
.advantages__stats span{color:#aeb2ba;font-size:14px}

/* contact */
.contact__in{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.contact__info p{color:var(--muted)}
.contact__list{list-style:none;margin-top:22px}
.contact__list li{padding:10px 0;border-bottom:1px solid var(--line);font-size:16px}
.contact__list a{color:var(--gold)}
.contact__form{background:var(--soft);border-radius:10px;padding:34px}
.form .btn{margin-top:8px}
.ok{text-align:center;padding:30px 10px}
.ok__ic{width:64px;height:64px;border-radius:50%;background:var(--gold);color:#fff;font-size:32px;display:flex;align-items:center;justify-content:center;margin:0 auto 18px}
.ok h3{font-size:24px;margin-bottom:8px}
.ok p{color:var(--muted)}

/* footer */
.foot{background:#08090b;color:#c6cad2;padding:52px 0 26px}
.foot__in{display:grid;grid-template-columns:2fr 1fr 1.3fr;gap:32px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.08)}
.foot p{color:#8b8f97;font-size:14px;margin-top:12px;max-width:320px}
.foot__nav{display:flex;flex-direction:column;gap:10px}
.foot__nav a:hover{color:var(--gold)}
.foot__contacts{display:flex;flex-direction:column;gap:8px}
.foot__contacts a{color:#fff;font-weight:600;font-size:18px}
.foot__contacts span{color:#8b8f97;font-size:14px}
.foot__copy{color:#6a6e76;font-size:13px;padding-top:24px}

/* fab */
.fab{position:fixed;right:22px;bottom:22px;z-index:60;background:linear-gradient(135deg,var(--gold2),var(--gold));color:#1a1300;font-weight:700;padding:15px 24px;border-radius:40px;box-shadow:0 10px 26px rgba(200,163,91,.45)}

@media(max-width:900px){
  .nav{display:none}
  .bar__in{grid-template-columns:1fr 1fr}
  .trims,.feat,.gallery{grid-template-columns:1fr}
  .g--big{grid-column:auto;grid-row:auto}
  .gallery{grid-auto-rows:200px}
  .calc,.advantages__in,.contact__in{grid-template-columns:1fr}
  .hero__specs{gap:28px}
  .top__phone{display:none}
}