:root{
  --bg:#f6f1ec;
  --surface:#ffffff;
  --text:#221a17;
  --muted:#7c6f68;
  --border:#e7ddd4;
  --brand:#8f1d1d;
  --brand-2:#c0392b;
  --accent:#d4863a;
  --dark:#2a1a17;
  --r:18px;
  --sh-sm:0 1px 2px rgba(60,30,20,.06);
  --sh:0 1px 2px rgba(60,30,20,.06), 0 14px 34px rgba(90,40,30,.10);
  --wrap:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:'Manrope',system-ui,sans-serif;color:var(--text);
  background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;
  background-image:radial-gradient(60vw 40vw at 90% -10%, rgba(212,134,58,.14), transparent 60%),
                   radial-gradient(50vw 40vw at -10% 10%, rgba(143,29,29,.08), transparent 55%);
  background-attachment:fixed;
}
h1,h2,h3,h4{font-family:'Oswald',sans-serif;line-height:1.06;letter-spacing:.01em;margin:0 0 .4em}
h2{font-size:clamp(1.8rem,3.6vw,2.7rem);text-transform:uppercase}
h3{font-size:1.15rem;text-transform:none;letter-spacing:0}
p{margin:0 0 1em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;
  border:none;padding:14px 26px;border-radius:999px;font-weight:700;font-size:1rem;
  font-family:'Manrope',sans-serif;cursor:pointer;transition:transform .18s,box-shadow .18s,filter .18s;
  box-shadow:0 8px 22px rgba(143,29,29,.28);
}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(143,29,29,.36);filter:brightness(1.05)}
.btn:active{transform:translateY(0)}
.btn--sm{padding:9px 18px;font-size:.92rem;box-shadow:0 6px 16px rgba(143,29,29,.24)}
.btn--wide{width:100%}
.btn--ghost{background:transparent;color:var(--brand);border:2px solid var(--brand);box-shadow:none}
.btn--ghost:hover{background:rgba(143,29,29,.06);box-shadow:none}

.tag{display:inline-block;font-family:'Oswald',sans-serif;text-transform:uppercase;letter-spacing:.14em;
  font-size:.78rem;color:var(--brand);background:rgba(143,29,29,.09);padding:6px 14px;border-radius:999px;margin-bottom:14px}
.tag--light{color:#ffd9c7;background:rgba(255,255,255,.12)}

.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--sh)}

/* header */
.hdr{position:sticky;top:0;z-index:40;background:rgba(246,241,236,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.hdr__in{display:flex;align-items:center;gap:20px;height:70px}
.logo{display:flex;align-items:center;gap:10px;font-family:'Oswald',sans-serif;font-weight:700;font-size:1.35rem;text-transform:uppercase;letter-spacing:.03em;color:var(--brand)}
.logo__ico{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff}
.nav{display:flex;align-items:center;gap:26px;margin-left:auto;font-weight:600}
.nav a{color:var(--text);transition:color .15s}
.nav a:hover{color:var(--brand)}
.nav__phone{color:var(--brand)!important;font-weight:700}
.hdr .btn--sm{margin-left:8px}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;margin-left:auto}
.burger span{width:26px;height:2px;background:var(--text);border-radius:2px;transition:.25s}

/* hero */
.hero{padding:70px 0 60px}
.hero__in{display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}
.hero h1{font-size:clamp(2.4rem,5.2vw,4.1rem);text-transform:uppercase;margin-bottom:.35em}
.lead{font-size:1.15rem;color:var(--muted);max-width:34em}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap;margin:26px 0 34px}
.hero__stats{display:flex;gap:34px;flex-wrap:wrap}
.hero__stats div{display:flex;flex-direction:column}
.hero__stats b{font-family:'Oswald',sans-serif;font-size:2rem;color:var(--brand);line-height:1}
.hero__stats span{color:var(--muted);font-size:.9rem}
.hero__img{position:relative}
.hero__img img{width:100%;height:520px;object-fit:cover;border-radius:24px;box-shadow:var(--sh);border:1px solid var(--border)}

/* sections */
section{scroll-margin-top:80px}
.sec-head{text-align:center;max-width:640px;margin:0 auto 42px}
.sec-head--left{text-align:left;margin:0 0 30px}
.sec-sub{color:var(--muted)}
.grid{display:grid;gap:22px}
.grid--4{grid-template-columns:repeat(4,1fr)}

.why{padding:40px 0}
.feat{padding:26px 22px;transition:transform .2s,box-shadow .2s}
.feat:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(90,40,30,.16)}
.feat__ico{display:grid;place-items:center;width:52px;height:52px;border-radius:14px;background:rgba(212,134,58,.14);color:var(--accent);margin-bottom:16px}
.feat h3{margin-bottom:.3em}
.feat p{color:var(--muted);margin:0;font-size:.95rem}

/* catalog */
.catalog{padding:70px 0}
.filters{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:34px}
.chip{padding:9px 20px;border-radius:999px;border:1px solid var(--border);background:var(--surface);font-weight:600;color:var(--muted);transition:.18s}
.chip:hover{border-color:var(--brand);color:var(--brand)}
.chip--on{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;border-color:transparent}
.prod{display:flex;flex-direction:column;overflow:hidden}
.prod__img{aspect-ratio:4/3;overflow:hidden}
.prod__img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.prod:hover .prod__img img{transform:scale(1.06)}
.prod__body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1}
.prod__cat{font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:var(--accent);font-weight:700}
.prod h3{margin:6px 0 6px;font-family:'Manrope',sans-serif;font-weight:700;font-size:1.08rem}
.prod p{color:var(--muted);font-size:.9rem;margin:0 0 16px;flex:1}
.prod__foot{display:flex;align-items:center;justify-content:space-between;gap:10px}
.price{font-family:'Oswald',sans-serif;font-size:1.5rem;color:var(--brand);font-weight:700}
.price small{font-size:.85rem;color:var(--muted);font-weight:400}

/* calculator */
.calc{padding:40px 0 70px}
.calc__in{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.calc__card{padding:30px}
.fld{display:flex;flex-direction:column;gap:6px;margin-bottom:18px;font-weight:600;font-size:.95rem}
.fld span{color:var(--text)}
.fld input,.fld select,.fld textarea{
  font-family:'Manrope',sans-serif;font-size:1rem;padding:13px 15px;border:1px solid var(--border);
  border-radius:12px;background:#fff;color:var(--text);transition:border-color .15s,box-shadow .15s;width:100%
}
.fld textarea{resize:vertical}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(143,29,29,.14)}
.fld--check{flex-direction:row;align-items:center;gap:10px;font-weight:500;color:var(--muted)}
.fld--check input{width:auto}
.calc__total{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;background:rgba(212,134,58,.1);border-radius:14px;margin:6px 0 20px;font-weight:600}
.calc__total b{font-family:'Oswald',sans-serif;font-size:2rem;color:var(--brand)}

/* about */
.about{padding:70px 0}
.about__in{display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;align-items:center}
.about__img{position:relative}
.about__img img{width:100%;height:480px;object-fit:cover;border-radius:24px;box-shadow:var(--sh)}
.about__badge{position:absolute;bottom:20px;left:20px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-family:'Oswald',sans-serif;text-transform:uppercase;letter-spacing:.08em;padding:12px 20px;border-radius:14px;font-weight:600;box-shadow:var(--sh)}
.ticks{list-style:none;padding:0;margin:20px 0 0;display:flex;flex-direction:column;gap:12px}
.ticks li{position:relative;padding-left:34px;color:var(--muted)}
.ticks li::before{content:"";position:absolute;left:0;top:2px;width:22px;height:22px;border-radius:50%;background:rgba(143,29,29,.12);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%238f1d1d' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:center}

/* order */
.order{padding:70px 0;background:linear-gradient(135deg,var(--dark),#3d211c);color:#f4e6df;border-radius:32px;margin:0 22px}
.order__in{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;max-width:var(--wrap);margin:0 auto;padding:0 22px}
.order h2{color:#fff}
.order p{color:#e8cfc4}
.order__contacts{display:flex;gap:16px;flex-wrap:wrap;margin-top:20px}
.order__contacts a{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);padding:12px 20px;border-radius:999px;font-weight:600;transition:.18s}
.order__contacts a:hover{background:rgba(255,255,255,.2)}
.order__form{padding:30px;color:var(--text)}
.order__form h3{color:var(--text)}
.note{font-size:.8rem;color:var(--muted);text-align:center;margin:12px 0 0}
.err{background:#fde8e6;color:#b5231a;padding:12px 16px;border-radius:12px;margin-bottom:16px;font-size:.9rem;font-weight:600}
.ok{text-align:center;padding:24px 0;color:var(--brand)}
.ok h3{color:var(--text);margin:14px 0 6px}
.ok p{color:var(--muted);margin:0}

/* footer */
.foot{padding:60px 0 0;margin-top:40px;color:var(--text)}
.foot__in{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:40px}
.logo--foot{margin-bottom:14px}
.foot h4{font-family:'Oswald',sans-serif;text-transform:uppercase;letter-spacing:.06em;font-size:1rem;margin-bottom:12px}
.foot p{color:var(--muted);margin:0 0 8px;font-size:.95rem}
.foot a:hover{color:var(--brand)}
.foot__bot{border-top:1px solid var(--border);padding-top:20px;padding-bottom:24px;color:var(--muted);font-size:.9rem;text-align:center}

/* reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

@media(max-width:960px){
  .grid--4{grid-template-columns:repeat(2,1fr)}
  .hero__in,.calc__in,.about__in,.order__in,.foot__in{grid-template-columns:1fr}
  .hero__img img{height:360px}
  .about__img{order:-1}
  .about__img img{height:340px}
}
@media(max-width:720px){
  .nav{position:fixed;inset:70px 0 auto 0;flex-direction:column;background:var(--surface);padding:20px 22px;gap:16px;
    border-bottom:1px solid var(--border);box-shadow:var(--sh);transform:translateY(-140%);transition:transform .3s;align-items:flex-start;margin:0}
  .nav.open{transform:none}
  .burger{display:flex}
  .hdr .btn--sm{display:none}
}
@media(max-width:480px){
  .grid--4{grid-template-columns:1fr}
  .hero__stats{gap:22px}
  .order{margin:0 10px;padding:44px 0}
}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{scroll-behavior:auto}
}