:root{
  --orange:#1592D1;--orange-d:#0C78AE;--navy:#2D3133;--navy-d:#1C1F21;
  --bg:#F1EEEA;--white:#fff;--text:#222628;--muted:#5F6466;--line:#E4E0DA;
  --radius:4px;--shadow:0 10px 30px rgba(20,22,24,.12);
  --head:'Montserrat',system-ui,sans-serif;--body:'Roboto',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:var(--body);color:var(--text);background:var(--bg);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
svg{flex-shrink:0}
.hidden{display:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.center{text-align:center;margin-top:36px}

/* Кнопки */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 30px;border-radius:var(--radius);font-family:var(--head);font-weight:600;font-size:14px;color:#fff;transition:.2s;text-decoration:none;white-space:nowrap}
.btn svg{width:18px;height:18px}
.btn--orange{background:var(--orange)}.btn--orange:hover{background:var(--orange-d)}
.btn--navy{background:var(--navy)}.btn--navy:hover{background:var(--navy-d)}
.btn--sm{padding:10px 16px;font-size:13px}
.btn--block{width:100%}

/* Шапка */
.header{position:sticky;top:0;z-index:50;background:#fff;box-shadow:0 1px 0 var(--line)}
.header__inner{display:flex;align-items:center;gap:28px;height:76px}

.nav{display:flex;gap:26px;margin-right:auto}
.nav a{text-decoration:none;font-size:14px;font-weight:500;position:relative;padding:28px 0;white-space:nowrap}
.nav a:hover,.nav a.is-active{color:var(--orange)}
.nav a.is-active::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--orange)}
.nav__phone{display:none}
.header__phone{display:flex;align-items:center;gap:6px;font-weight:700;text-decoration:none;font-size:15px;white-space:nowrap}
.header__phone svg{width:16px;height:16px;color:var(--orange)}
.header__btns{display:flex;gap:10px}
.burger{display:none;width:40px;height:40px;flex-direction:column;justify-content:center;gap:6px;padding:8px}
.burger span{height:2px;background:var(--navy);border-radius:2px;transition:.25s}

/* Hero */
.hero{position:relative;background:linear-gradient(90deg,rgba(29,32,34,.92) 0%,rgba(29,32,34,.78) 55%,rgba(29,32,34,.4) 100%),url(img/hero.jpg) center/cover no-repeat;color:#fff}
.hero__inner{display:flex;align-items:center;justify-content:space-between;gap:40px;padding-top:70px;padding-bottom:70px;min-height:560px}
.hero__text{max-width:600px}
.hero__brand{color:var(--orange);font-family:var(--head);font-weight:700;font-size:20px;margin-bottom:6px}
.hero h1{font-family:var(--head);font-weight:500;font-size:44px;line-height:1.15;margin-bottom:14px}
.hero__sub{font-size:18px;opacity:.85;margin-bottom:40px}
.hero__feats{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.hero__feat svg{width:56px;height:56px;color:var(--orange);margin-bottom:14px}
.hero__feat span{display:block;font-size:14px;line-height:1.4;opacity:.9}

/* Карточка формы */
.card-form{background:#fff;color:var(--text);padding:34px 36px;width:400px;flex-shrink:0;border-radius:var(--radius);box-shadow:var(--shadow);display:flex;flex-direction:column;gap:14px}
.card-form__title{font-family:var(--head);font-size:20px;font-weight:700;text-align:center;margin-bottom:6px}
.input{width:100%;padding:14px 16px;background:#ECE9E4;border:1px solid transparent;border-radius:var(--radius);font:inherit;font-size:14px;color:var(--text);outline:none;transition:.2s}
.input:focus{border-color:var(--orange);background:#fff}
textarea.input{resize:vertical}
select.input{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%232D3133' stroke-width='2'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:40px}
.check{display:flex;gap:10px;font-size:12px;line-height:1.4;color:var(--muted);align-items:flex-start}
.check input{margin-top:2px;accent-color:var(--orange);width:15px;height:15px;flex-shrink:0}
.check a{color:var(--orange)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}

/* Секции */
.section{padding:80px 0}
.section--tight{padding-top:20px}
.section--white{background:#fff}
.section__title{font-family:var(--head);font-weight:700;font-size:30px;text-align:center;margin-bottom:36px;color:var(--navy)}
.section__title--white{color:#fff}

/* Услуги */
.services{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.service{position:relative;display:flex;flex-direction:column;align-items:flex-start;text-align:left;min-height:270px;padding:36px 40px;background:#fff;overflow:hidden;border-radius:var(--radius);transition:.25s}
.service::before{content:"";position:absolute;inset:0 0 0 38%;background:var(--bg) center/cover no-repeat;background-image:var(--bg);-webkit-mask-image:linear-gradient(90deg,transparent 0%,#000 55%);mask-image:linear-gradient(90deg,transparent 0%,#000 55%);transition:.4s}
.service>*{position:relative;z-index:1}
.service__head{display:flex;align-items:center;gap:18px;margin-bottom:22px}
.service__head svg{width:54px;height:54px;color:var(--orange)}
.service__head b{font-family:var(--head);font-size:22px;line-height:1.2;color:var(--navy)}
.service__text{max-width:300px;font-size:14px;color:var(--muted)}
.service__arrow{position:absolute;right:28px;bottom:26px;width:44px;height:18px;color:#fff;transition:.25s}
.service:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.service:hover::before{transform:scale(1.04)}
.service:hover .service__arrow{color:var(--orange);transform:translateX(6px)}

/* Табы */
.tabs{display:flex;justify-content:center;gap:6px;flex-wrap:wrap;margin-bottom:26px}
.tab{padding:8px 20px;font-size:14px;border-radius:var(--radius);transition:.2s}
.tab:hover{color:var(--orange)}
.tab.is-active{background:var(--orange);color:#fff}

/* Продукция */
.product{position:relative;display:flex;align-items:center;gap:20px}
.product__card{flex:1;display:grid;grid-template-columns:1fr 1fr;background:#fff;border-radius:var(--radius);overflow:hidden;min-height:440px}
.product__img{background:#ddd center/cover no-repeat;min-height:300px}
.product__img svg{width:100%;max-width:340px;height:auto}
.product__info{padding:50px 46px;display:flex;flex-direction:column;justify-content:center}
.product__name{font-family:var(--head);font-size:30px;color:var(--orange);margin-bottom:18px}
.product__desc{color:var(--muted);margin-bottom:26px;max-width:380px}
.specs{margin-bottom:30px}
.specs div{display:flex;align-items:baseline;gap:8px;padding:6px 0;font-size:14px}
.specs dt{white-space:nowrap}
.specs div::after{content:none}
.specs .dots{flex:1;border-bottom:1px dotted #B8B8C4;transform:translateY(-4px)}
.specs dd{font-weight:700;white-space:nowrap}
.product__info .btn{align-self:flex-start}
.slider-arrow{width:44px;height:44px;display:flex;align-items:center;justify-content:center;color:var(--navy);border-radius:50%;transition:.2s;flex-shrink:0}
.slider-arrow svg{width:28px;height:28px}
.slider-arrow--prev svg{transform:rotate(180deg)}
.slider-arrow:hover{color:var(--orange);background:rgba(21,146,209,.08)}
.fade{animation:fade .35s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* Гарантия */
.guarantee{background:linear-gradient(rgba(45,49,51,.95),rgba(45,49,51,.95)),url(img/s-corp.jpg) center/cover;color:#fff;padding:46px 40px 50px;border-radius:var(--radius);text-align:center}
.guarantee__title{font-family:var(--head);font-weight:800;font-size:28px;letter-spacing:2px;margin-bottom:40px;line-height:1.1}
.guarantee__title span{display:block;font-weight:500;font-size:16px;letter-spacing:4px;opacity:.85;margin-top:4px}
.guarantee__items{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.guarantee__items svg{width:62px;height:62px;color:var(--orange);margin:0 auto 18px;display:block}
.guarantee__items span{font-size:14px;line-height:1.35;opacity:.9}

/* О компании */
.about-pane{display:none}
.about-pane.is-active{display:block;animation:fade .35s ease}
.about{display:grid;grid-template-columns:1fr 1fr;background:#fff;border-radius:var(--radius);overflow:hidden}
.about__text{padding:50px 50px 50px 46px;display:flex;flex-direction:column;justify-content:center;gap:34px}

.about__text p{max-width:420px;margin-left:auto;font-size:15px}
.about__img img{width:100%;height:100%;object-fit:cover;min-height:380px}
.steps{list-style:none;display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.steps li{background:#fff;padding:30px 22px;border-radius:var(--radius);position:relative}
.steps__n{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:2px solid var(--orange);color:var(--orange);border-radius:50%;font-family:var(--head);font-weight:700;font-size:18px;margin-bottom:16px}
.steps b{display:block;font-family:var(--head);color:var(--navy);margin-bottom:6px}
.steps p{font-size:14px;color:var(--muted)}
.adv{display:grid;grid-template-columns:repeat(3,1fr);gap:46px 30px;margin-top:56px;padding:0 20px}
.adv__item{display:flex;gap:18px;align-items:flex-start}
.adv__item svg{width:56px;height:56px;color:var(--orange)}
.adv__item b{display:block;font-family:var(--head);font-size:14px;text-transform:uppercase;color:var(--navy);margin-bottom:6px}
.adv__item p{font-size:14px;color:var(--muted)}

/* Портфолио */
.gallery{display:flex;align-items:center;gap:14px}
.gallery__track{flex:1;display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;scroll-behavior:smooth;padding:10px 4px}
.gallery__track::-webkit-scrollbar{display:none}
.gallery__item{flex:0 0 calc((100% - 66px)/4);aspect-ratio:1/1;scroll-snap-align:start;overflow:hidden;border-radius:var(--radius);transition:.25s}
.gallery__item img{width:100%;height:100%;object-fit:cover;transition:.4s}
.gallery__item:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.gallery__item:hover img{transform:scale(1.05)}

/* FAQ */
.faq{background:var(--orange);padding:50px 90px 60px;border-radius:var(--radius)}
.faq .section__title{margin-bottom:30px}
.faq__item{background:#EEF3F6;margin-bottom:10px;border-radius:2px;transition:.2s}
.faq__item summary{list-style:none;cursor:pointer;padding:20px 60px 20px 22px;font-weight:700;font-size:15px;color:var(--navy);position:relative}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{content:"";position:absolute;right:24px;top:50%;width:12px;height:12px;border-right:2px solid var(--navy);border-bottom:2px solid var(--navy);transform:translateY(-75%) rotate(45deg);transition:.25s}
.faq__item summary:hover{color:var(--orange)}
.faq__item summary:hover::after{border-color:var(--orange)}
.faq__item[open]{background:#fff}
.faq__item[open] summary::after{transform:translateY(-25%) rotate(-135deg)}
.faq__item p{padding:0 22px 22px;font-size:14px;color:var(--muted)}

/* Контакты */
.contacts{display:grid;grid-template-columns:1fr 420px;gap:60px;align-items:start}
.contacts__label{font-weight:700;font-size:15px;margin-bottom:12px}
.contacts__row{display:flex;align-items:center;gap:12px;margin-bottom:14px;font-size:15px}
.contacts__row svg{width:20px;height:20px;color:var(--orange)}
.contacts__row a{text-decoration:none}.contacts__row a:hover{color:var(--orange)}
.contacts__row--big{font-size:24px;font-weight:700;font-family:var(--head);margin-bottom:20px}
.contacts__text{max-width:420px;margin:26px 0;color:var(--muted);font-size:14px}
.socials{display:flex;gap:10px}
.socials a{width:40px;height:40px;border:1.5px solid var(--orange);color:var(--orange);display:flex;align-items:center;justify-content:center;border-radius:var(--radius);transition:.2s}
.socials a:hover{background:var(--orange);color:#fff}
.socials svg{width:20px;height:20px}
.card-form--light{width:auto}

/* Футер */
.footer{background:var(--navy);color:#fff;font-size:13px}
.footer__inner{display:flex;align-items:center;gap:24px;min-height:90px;flex-wrap:wrap;padding-top:14px;padding-bottom:14px}

.footer__inner a{margin-left:auto;text-decoration:none;opacity:.8}.footer__inner a:hover{opacity:1}

/* WhatsApp */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:40;width:58px;height:58px;border-radius:50%;background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(0,0,0,.25);transition:.2s}
.wa-float svg{width:32px;height:32px}
.wa-float:hover{transform:scale(1.07)}

/* Модалки */
.modal{position:fixed;inset:0;z-index:100;background:rgba(20,22,24,.6);display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;visibility:hidden;transition:.25s}
.modal.is-open{opacity:1;visibility:visible}
.modal__box{position:relative;background:#fff;border-radius:var(--radius);width:100%;max-width:440px;max-height:calc(100vh - 40px);overflow:auto;transform:translateY(16px);transition:.25s}
.modal.is-open .modal__box{transform:none}
.modal__box--wide{max-width:960px}
.modal__close{position:absolute;right:10px;top:6px;font-size:32px;line-height:1;color:#fff;z-index:2;width:40px;height:40px}
.modal__box--wide .modal__close{color:var(--navy)}
.modal__head{display:flex;align-items:center;gap:12px;padding:22px 30px;color:#fff;font-family:var(--head);font-weight:700;font-size:19px}
.modal__head svg{width:24px;height:24px}
.modal__head--orange{background:var(--orange)}
.modal__head--navy{background:var(--navy)}
.modal__form{padding:26px 30px 30px;display:flex;flex-direction:column;gap:12px}
.modal__lead{font-size:14px;color:var(--muted);margin-bottom:4px}
.modal--dark{background:rgba(10,10,20,.9)}
.modal--dark img{max-height:88vh;max-width:92vw;border-radius:var(--radius)}
.modal__close--light{position:fixed;right:20px;top:14px}
.svc{display:grid;grid-template-columns:1fr 1.1fr}
.svc__img{background:center/cover no-repeat;min-height:420px}
.svc__body{padding:44px 44px 40px}
.svc__body h3{font-family:var(--head);font-size:24px;color:var(--navy);margin-bottom:12px;padding-right:30px}
.svc__body>p{color:var(--muted);font-size:14px;margin-bottom:20px}
.svc__list{list-style:none;margin-bottom:28px}
.svc__list li{position:relative;padding:8px 0 8px 30px;font-size:14px;border-bottom:1px solid var(--line)}
.svc__list li::before{content:"";position:absolute;left:4px;top:13px;width:12px;height:7px;border-left:2px solid var(--orange);border-bottom:2px solid var(--orange);transform:rotate(-45deg)}
.svc__btns{display:flex;gap:10px;flex-wrap:wrap}
body.lock{overflow:hidden}

/* Адаптив */
@media (max-width:1500px){
  .header__phone{display:none}
}
@media (max-width:1180px){
  .nav{gap:18px}
}
@media (max-width:1020px){
  .header__inner{gap:14px}
  .burger{display:flex;margin-left:auto}
  .nav{position:fixed;top:76px;left:0;right:0;bottom:0;background:#fff;flex-direction:column;gap:0;padding:10px 20px 30px;transform:translateX(100%);transition:.3s;overflow:auto;margin:0}
  .nav.is-open{transform:none}
  .nav a{padding:16px 0;border-bottom:1px solid var(--line);font-size:17px}
  .nav a.is-active::before{display:none}
  .nav__phone{display:block;font-weight:700;color:var(--orange)}
  .burger.is-open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
  .burger.is-open span:nth-child(2){opacity:0}
  .burger.is-open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
  .hero__inner{flex-direction:column;align-items:stretch;padding-top:50px;padding-bottom:50px}
  .hero__text{max-width:none}
  .card-form{width:100%;max-width:480px;margin:0 auto}
  .services{grid-template-columns:1fr}
  .product__card{grid-template-columns:1fr}
  .product__img{min-height:280px}
  .guarantee__items{grid-template-columns:repeat(3,1fr);row-gap:34px}
  .about{grid-template-columns:1fr}
  .about__text p{margin-left:0}
  .steps{grid-template-columns:1fr 1fr}
  .adv{grid-template-columns:1fr 1fr;padding:0}
  .gallery__item{flex-basis:calc((100% - 22px)/2)}
  .faq{padding:40px 30px 44px}
  .contacts{grid-template-columns:1fr;gap:40px}
  .svc{grid-template-columns:1fr}
  .svc__img{min-height:220px}
}
@media (max-width:640px){
  body{font-size:14px}
  .container{padding:0 16px}
  .header__inner{height:64px}
  .nav{top:64px}

  .header__btns .btn--navy{display:none}
  .header__btns .btn{padding:9px 12px;font-size:12px}
  .header__btns .btn svg{display:none}
  .hero h1{font-size:30px}
  .hero__sub{font-size:16px;margin-bottom:28px}
  .hero__feats{grid-template-columns:1fr;gap:16px}
  .hero__feat{display:flex;align-items:center;gap:14px}
  .hero__feat svg{width:40px;height:40px;margin:0}
  .card-form{padding:26px 20px}
  .section{padding:56px 0}
  .section--tight{padding-top:10px}
  .section__title{font-size:24px;margin-bottom:26px}
  .service{padding:26px 20px 150px;min-height:0}
  .service::before{inset:auto 0 0 0;height:150px;-webkit-mask-image:linear-gradient(180deg,transparent 0%,#000 45%);mask-image:linear-gradient(180deg,transparent 0%,#000 45%)}
  .service__head{margin-bottom:14px}
  .service__text{max-width:none}
  .tab{padding:8px 12px;font-size:13px}
  .service__head b{font-size:19px}
  .service__head svg{width:44px;height:44px}
  .product .slider-arrow{display:none}
  .product__info{padding:30px 22px}
  .product__name{font-size:24px}
  .specs dt{white-space:normal}
  .guarantee{padding:36px 16px}
  .guarantee__title{font-size:22px}
  .guarantee__items{grid-template-columns:1fr 1fr}
  .about__text{padding:30px 22px}
  .steps{grid-template-columns:1fr}
  .adv{grid-template-columns:1fr;gap:26px}
  .gallery .slider-arrow{display:none}
  .gallery__item{flex-basis:78%}
  .faq{padding:34px 14px 36px;margin:0 -16px;border-radius:0}
  .faq__item summary{font-size:14px;padding:18px 48px 18px 16px}
  .contacts__row--big{font-size:21px}
  .footer__inner{flex-direction:column;align-items:flex-start;gap:10px}
  .footer__inner a{margin-left:0}
  .modal__form{padding:22px 20px 24px}
  .svc__body{padding:28px 22px}
  .grid2{grid-template-columns:1fr 1fr}
  .wa-float{width:52px;height:52px;right:16px;bottom:16px}
}

/* Логотип */
.logo-link{text-decoration:none;flex-shrink:0}
.logo{display:inline-flex;align-items:center;gap:8px;color:var(--orange);line-height:1}
.logo__mark{width:44px;height:44px}
.logo__text{font-family:var(--head);font-weight:800;font-size:15px;text-transform:uppercase;color:var(--navy);letter-spacing:.3px;display:flex;flex-direction:column;gap:3px;line-height:1.05}
.logo__text small{font-weight:600;font-size:.62em;letter-spacing:.35em;color:var(--muted)}
.logo--big .logo__mark{width:72px;height:72px}
.logo--big .logo__text{font-size:24px}
.logo--white{--mk-dark:#D9DDDF;--mk-bg:var(--navy)}
.logo--white .logo__text{color:#fff}.logo--white .logo__text small{color:#AEB4B7}
.logo--white .logo__mark{width:36px;height:36px}
.logo--white .logo__text{font-size:12px}
@media (max-width:640px){.logo__mark{width:36px;height:36px}.logo__text{font-size:13px}}

#contacts{padding-top:10px}
.brands{list-style:none;margin-bottom:30px;border-top:1px solid var(--line)}
.brands li{display:flex;gap:16px;align-items:baseline;padding:11px 0;border-bottom:1px solid var(--line);font-size:14px}
.brands b{font-family:var(--head);color:var(--navy);min-width:140px}
.brands span{color:var(--muted)}
@media (max-width:640px){.brands li{flex-direction:column;gap:2px}.brands b{min-width:0}}
.guarantee .logo__mark,.hero .logo__mark{--mk-bg:transparent}