:root{--navy:#2f3a6b;--ink:#222;--muted:#888;--line:#e6e6e6;--bg:#fff;--soft:#f4f4f4}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Be Vietnam Pro",system-ui,sans-serif;color:var(--ink);background:var(--bg);overflow-x:hidden}
a{color:inherit;text-decoration:none;cursor:pointer}
.container{max-width:1280px;margin:0 auto;padding:0 24px}

/* header */
.header{position:fixed;inset:0 0 auto;z-index:50;color:#fff;transition:background .3s,color .3s,box-shadow .3s}
.header.solid{background:#fff;color:var(--ink);box-shadow:0 2px 12px rgba(0,0,0,.06)}
.header__inner{max-width:1280px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;gap:24px}
.logo{display:flex;flex-direction:column;line-height:1}
.logo__mark{font-weight:700;font-size:26px;letter-spacing:.08em}
.header.solid .logo__mark{color:var(--navy)}
.logo__tag{font-size:11px;opacity:.8;margin-top:5px}
.nav{display:flex;gap:40px;margin-left:auto;font-size:15px}
.nav a{position:relative;padding:10px 0;opacity:.9}
.nav a::after{content:"";position:absolute;left:50%;bottom:-4px;width:0;height:2px;background:currentColor;transition:.3s;transform:translateX(-50%)}
.nav a:hover::after,.nav a.active::after{width:120%}
.icon-btn{background:none;border:0;color:inherit;cursor:pointer;padding:6px}
.burger{display:none;flex-direction:column;gap:4px}
.burger span{display:block;width:22px;height:2px;background:currentColor}
.search{max-height:0;overflow:hidden;transition:max-height .3s;background:#fff}
.search.open{max-height:70px}
.search input{display:block;width:100%;max-width:1280px;margin:0 auto;padding:16px 24px;border:0;border-top:1px solid var(--line);font:inherit;outline:none}

/* hero */
.hero{position:relative;height:min(100vh,820px);min-height:520px;overflow:hidden;background:#111}
.slide{position:absolute;inset:0;background:var(--bg);display:grid;grid-template-columns:1fr 1fr;align-items:center;padding:0 8vw;color:#fff;opacity:0;transition:opacity 1s;pointer-events:none}
.slide.active{opacity:1;pointer-events:auto}
.slide__text small{letter-spacing:.2em;font-size:13px;opacity:.8}
.slide__text h1{font-size:clamp(30px,4.2vw,58px);font-weight:700;line-height:1.2;margin:14px 0}
.slide__text p{opacity:.85;max-width:440px;line-height:1.7}
.slide.active .slide__text>*{animation:up .9s both}
.slide.active .slide__text>*:nth-child(2){animation-delay:.1s}
.slide.active .slide__text>*:nth-child(3){animation-delay:.2s}
.slide.active .slide__text>*:nth-child(4){animation-delay:.3s}
@keyframes up{from{opacity:0;transform:translateY(30px)}}
.btn{display:inline-block;margin-top:28px;padding:12px 34px;border:1px solid currentColor;border-radius:30px;font-size:14px;transition:.3s}
.btn:hover{background:#fff;color:var(--navy)}
.slide__art{display:flex;justify-content:center;align-items:center;gap:30px}
.slide.active .slide__art{animation:zoom 6s ease-out both}
@keyframes zoom{from{transform:scale(1.08)}}
.faucet-art svg{width:min(80%,420px);filter:drop-shadow(0 30px 40px rgba(0,0,0,.35))}
.panel{width:180px;height:180px;background:linear-gradient(145deg,#6b6f78,#3d4048);border-radius:6px;display:grid;grid-template-columns:1fr 1fr;gap:2px;padding:2px;position:relative;transform:rotate(-12deg);box-shadow:0 30px 50px rgba(0,0,0,.4)}
.panel i{background:linear-gradient(145deg,#5a5e67,#44474f);border-radius:3px}
.panel b{position:absolute;left:30%;top:52%;width:58px;height:58px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#d9dbe0,#5a5d65);box-shadow:0 8px 16px rgba(0,0,0,.5)}
.panel--gold{background:linear-gradient(145deg,#e4c88d,#a98545);transform:rotate(8deg) translateY(60px)}
.panel--gold i{background:linear-gradient(145deg,#dcc088,#b8954f)}
.hero__dots{position:absolute;bottom:40px;left:50%;transform:translateX(-50%);display:flex;gap:10px}
.hero__dots button{width:60px;height:3px;border:0;background:rgba(255,255,255,.35);cursor:pointer;position:relative;overflow:hidden}
.hero__dots button.active::after{content:"";position:absolute;inset:0;background:#fff;animation:fill 5s linear both}
@keyframes fill{from{transform:translateX(-100%)}}

.hero__counter{position:absolute;right:8vw;bottom:36px;color:#fff;font-size:14px;letter-spacing:.1em;opacity:.85}
.hero__counter #curSlide{font-size:22px}
.btn--dark{background:var(--navy);color:#fff;border-color:var(--navy)}
.btn--dark:hover{background:#1f2850;color:#fff}
.center{text-align:center}

/* cases */
.cases{padding:90px 0;background:#fff}
.tabs{display:flex;gap:8px;margin-bottom:32px}
.tabs button{padding:10px 26px;border:1px solid var(--line);background:#fff;border-radius:24px;font:inherit;font-size:14px;cursor:pointer;transition:.3s}
.tabs button.active,.tabs button:hover{background:var(--navy);color:#fff;border-color:var(--navy)}
.cases__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case{position:relative;height:260px;overflow:hidden;background:var(--img);color:#fff;display:flex;align-items:flex-end}
.case::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(20,25,50,.85))}
.case div{position:relative;padding:22px;transition:.4s}
.case:hover div{transform:translateY(-6px)}
.case strong{display:block;font-weight:500;font-size:17px}
.case small{opacity:.8}

/* join */
.join{background:var(--navy);color:#fff;padding:80px 0}
.join__inner{display:grid;grid-template-columns:1.2fr 1fr auto;gap:48px;align-items:center}
.join small{letter-spacing:.15em;font-size:12px;opacity:.8}
.join h2{font-size:clamp(26px,3vw,40px);margin:10px 0 14px}
.join p{opacity:.85;line-height:1.7}
.join__perks{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:16px 24px}
.join__perks li{display:flex;align-items:center;gap:12px;font-size:15px}
.join__perks strong{font-size:24px;font-weight:300;opacity:.6}
.join .btn{justify-self:start;margin-top:0}

/* contact */
.contact{padding:90px 0;background:var(--soft)}
.contact__grid{display:grid;grid-template-columns:1fr 1fr;gap:60px}
.contact .lead{color:#555;margin-bottom:30px}
.contact dl{display:grid;grid-template-columns:auto 1fr;gap:14px 24px;font-size:15px}
.contact dt{color:var(--muted)}
.contact dd a{color:var(--navy);font-weight:500}
.contact__form{background:#fff;padding:36px;display:flex;flex-direction:column;gap:18px}
.contact__form label{display:flex;flex-direction:column;gap:6px;font-size:14px;color:#555}
.contact__form input,.contact__form textarea{font:inherit;padding:12px 14px;border:1px solid var(--line);border-radius:4px;outline:none;transition:.2s}
.contact__form input:focus,.contact__form textarea:focus{border-color:var(--navy)}
.contact__form input:invalid:not(:placeholder-shown){border-color:#d33}
.contact__form .btn{margin-top:4px;align-self:flex-start}
.form__msg{font-size:14px;color:var(--navy);min-height:1.2em}
.form__msg.err{color:#d33}
.contact__form .hp{position:absolute;left:-9999px;opacity:0;height:0}
.contact__form button[disabled]{opacity:.6;cursor:wait}

/* back to top */
.totop{position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:50%;border:0;background:var(--navy);color:#fff;font-size:20px;cursor:pointer;box-shadow:0 6px 20px rgba(0,0,0,.2);opacity:0;transform:translateY(20px);transition:.3s;z-index:40}
.totop.show{opacity:1;transform:none}

/* categories */
.cats{border-bottom:1px solid var(--line)}
.cats__row{display:flex;overflow-x:auto;scrollbar-width:none}
.cat{flex:1 0 120px;display:flex;flex-direction:column;align-items:center;gap:14px;padding:48px 8px;font-size:14px;color:#555;position:relative;transition:.3s}
.cat+.cat::before{content:"";position:absolute;left:0;top:30%;height:40%;border-left:1px dashed #ccc}
.cat svg{width:40px;height:40px;fill:none;stroke:#999;stroke-width:1.4;transition:.3s}
.cat:hover{color:var(--navy)}
.cat:hover svg{stroke:var(--navy);transform:translateY(-4px)}

/* promo */
.promo{position:relative;height:520px;background:radial-gradient(ellipse at 70% 40%,#7b8ff0,#3a4fb0 50%,#1f2c74);color:#fff;overflow:hidden;display:flex;align-items:center}
.promo__inner{position:relative;z-index:2;width:100%}
.promo small{letter-spacing:.12em;font-size:13px}
.promo h2{font-size:clamp(28px,4vw,52px);margin:12px 0}
.promo__bars span{position:absolute;height:34px;border-radius:4px;background:repeating-linear-gradient(45deg,#e6e9f5 0 6px,#a9b2d4 6px 12px);box-shadow:0 20px 30px rgba(0,0,0,.3)}
.promo__bars span:nth-child(1){right:-40px;top:18%;width:240px}
.promo__bars span:nth-child(2){right:-60px;top:55%;width:420px}
.promo__bars span:nth-child(3){left:-80px;top:80%;width:380px}

/* titles */
.title{font-size:30px;font-weight:500;margin-bottom:36px}
.title em{font-style:normal;font-size:18px;color:var(--muted);margin-left:10px;font-weight:400}

/* products */
.products{background:var(--soft);padding:90px 0}
.feature{height:380px;border-radius:4px;background:linear-gradient(110deg,#2b3d9e,#4f68d6 55%,#8aa0f2);color:#fff;display:flex;align-items:center;padding:0 6%;position:relative;overflow:hidden}
.feature::after{content:"";position:absolute;right:8%;bottom:-40px;width:120px;height:380px;background:linear-gradient(90deg,#222,#555,#222);transform:rotate(-18deg);border-radius:10px;box-shadow:-40px 0 0 -30px #e2c47e}
.feature h3{font-size:clamp(24px,3vw,40px)}
.feature p{opacity:.85;margin-top:10px}
.carousel{position:relative;margin-top:24px}
.carousel__track{display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;scrollbar-width:none}
.card{flex:0 0 calc((100% - 48px)/3);scroll-snap-align:start;background:#fff;padding:36px 24px;text-align:center;transition:.3s;display:block;color:inherit}
.card:hover{box-shadow:0 16px 40px rgba(0,0,0,.08);transform:translateY(-4px)}
.card small{color:var(--muted)}
.card svg{display:block;width:70%;height:220px;margin:16px auto}
.card h4{font-weight:500;margin-bottom:16px}
.card .more{display:inline-block;background:var(--navy);color:#fff;font-size:13px;padding:7px 22px;border-radius:20px}
.carousel__btn{position:absolute;top:50%;transform:translateY(-50%);z-index:2;width:44px;height:44px;border-radius:50%;border:0;background:#fff;box-shadow:0 4px 14px rgba(0,0,0,.12);font-size:26px;cursor:pointer;color:var(--navy)}
.prev{left:-18px}.next{right:-18px}

/* about */
.about{padding:90px 0}
.about__grid{display:grid;grid-template-columns:2fr 1fr 1fr;grid-template-rows:280px 280px;gap:24px}
.tile{position:relative;background:var(--img);overflow:hidden;display:flex;align-items:flex-end;color:#fff}
.tile--big{grid-row:span 2}
.tile span{position:relative;z-index:2;width:100%;padding:26px;background:rgba(47,58,107,.75);text-align:center;transition:.4s}
.tile:hover span{padding:44px 26px;background:rgba(47,58,107,.9)}
.tile:nth-child(4){grid-column:2/4}
.tile__bld{position:absolute;left:10%;right:10%;bottom:0;height:55%;background:repeating-linear-gradient(90deg,#e8ebf1 0 40px,#4c587a 40px 46px),#e8ebf1;box-shadow:0 -10px 0 #d4d9e4}

/* news */
.news{padding:0 0 90px}
.news__grid{display:grid;grid-template-columns:1.2fr 1fr;gap:40px}
.news__card{position:relative;overflow:hidden;cursor:pointer}
.news__img{height:380px;background:linear-gradient(180deg,#b9cbe6,#e7edf6 50%,#7a8296 50.5%,#5a627a);transition:transform .6s}
.news__card:hover .news__img{transform:scale(1.05)}
.news__body{position:absolute;left:0;right:0;bottom:0;padding:24px;background:rgba(47,58,107,.85);color:#fff}
.news__body time{font-size:13px;opacity:.8}
.news__body h3{font-weight:500;margin-bottom:8px}
.arrow{position:absolute;right:24px;top:50%;transform:translateY(-50%);font-size:24px}
.news__list{list-style:none}
.news__list li{border-bottom:1px solid var(--line);padding:22px 0;display:flex;gap:20px}
.news__list time{color:var(--muted);font-size:14px;white-space:nowrap}
.news__list a:hover{color:var(--navy)}

/* footer */
.footer{background:#141414;color:#bbb;padding:60px 0 0;font-size:14px}
.footer__cols{display:grid;grid-template-columns:repeat(5,1fr) 1.2fr;gap:24px}
.footer h4{color:#fff;font-weight:500;margin-bottom:24px}
.footer__cols a{display:block;margin-bottom:12px}
.footer__cols a:hover{color:#fff}
.footer__hot{display:flex;flex-direction:column;align-items:flex-end}
.footer__hot strong{font-size:28px;color:#fff}
.footer__copy{border-top:1px solid #2a2a2a;margin-top:40px;padding:24px;font-size:13px;color:#777;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

/* responsive */
@media (max-width:960px){
  .nav{position:fixed;inset:64px 0 auto;flex-direction:column;gap:0;background:#fff;color:var(--ink);max-height:0;overflow:hidden;transition:max-height .3s}
  .nav.open{max-height:400px}
  .nav a{padding:14px 24px;border-top:1px solid var(--line)}
  .nav a::after{display:none}
  .burger{display:flex}
  #searchBtn{margin-left:auto}
  .slide{grid-template-columns:1fr;padding:100px 24px 60px;text-align:center}
  .slide__text p{margin:0 auto}
  .slide__art{transform:scale(.7)}
  .panel{width:130px;height:130px}
  .card{flex-basis:80%}
  .about__grid{grid-template-columns:1fr 1fr;grid-template-rows:auto}
  .tile{min-height:200px}
  .tile--big{grid-column:span 2;grid-row:auto;min-height:280px}
  .tile:nth-child(4){grid-column:span 2}
  .news__grid{grid-template-columns:1fr}
  .footer__cols{grid-template-columns:1fr 1fr}
  .footer__hot{align-items:flex-start}
  .prev{left:4px}.next{right:4px}
  .promo{height:380px}
  .hero__counter{display:none}
  .cases__grid{grid-template-columns:1fr}
  .join__inner{grid-template-columns:1fr;gap:28px}
  .contact__grid{grid-template-columns:1fr;gap:36px}
  .contact dl{grid-template-columns:1fr;gap:4px 0}
  .contact dt{margin-top:12px}
  .contact__form{padding:24px}
  .tabs{overflow-x:auto;scrollbar-width:none}
  .tabs button{white-space:nowrap}
}