:root{--blue:#185da5;--cyan:#40a9dd;--navy:#11263b;--ink:#162c40;--gray:#687783;--light:#f3f6f8;--line:#dce3e8}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:150px}body{margin:0;font-family:Arial,sans-serif;color:var(--ink);background:white}a{text-decoration:none;color:inherit}button,input,select{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}header{position:sticky;top:0;z-index:20;background:#10243af5;color:white;backdrop-filter:blur(15px)}.top{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:18px 4vw;min-height:100px}.brand{display:flex;align-items:center;gap:13px;font-size:23px;font-weight:800;letter-spacing:.4px;white-space:nowrap}.brand img{width:67px;height:57px;object-fit:contain;filter:brightness(0) invert(1)}.brand small{display:block;font-size:8px;letter-spacing:1.6px;font-weight:400;margin-top:6px;color:#a6c0d7}.header-info small{display:block;font-size:10px;color:#a6bdce;margin-bottom:7px}.header-info a{font-size:17px;font-weight:bold}.btn{display:inline-flex;align-items:center;justify-content:space-between;gap:28px;background:linear-gradient(105deg,#18569a,#3aa6d8);color:white;padding:18px 24px;border:0;border-radius:3px;font-size:13px;line-height:1.4;transition:filter .2s,transform .2s}.btn:hover{filter:brightness(1.13);transform:translateY(-2px)}nav{display:flex;gap:35px;padding:18px 4vw;border-top:1px solid #ffffff20;justify-content:space-between;font-size:12px;color:#c8d8e6}nav a:hover{color:white}#menu{display:none}.hero{background:linear-gradient(90deg,#08192bc7,#06162a60),url('assets/reservoir-hero-v2.webp') center 55%/cover;min-height:650px;padding:80px 5vw;display:grid;place-items:center;text-align:center;color:white;position:relative}.hero-overlay{max-width:1080px}.eyebrow{font-size:10px;letter-spacing:2.5px;color:#a3d5f0;margin-bottom:28px}h1{font-size:clamp(38px,4vw,64px);line-height:1.1;letter-spacing:-1.8px;margin:0 0 28px;font-weight:700}.hero p{font-size:17px;line-height:1.7;color:#deebf5;margin:0 0 36px}.hero .btn{font-size:14px;padding:20px 28px}.visual-note{position:absolute;right:25px;bottom:17px;font-size:9px;color:#c0cfdb}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:35px;padding:38px 5vw;background:var(--light);border-bottom:1px solid var(--line)}.stats strong{font-size:36px;font-weight:700;color:#152c42}.stats small{display:block;font-size:12px;line-height:1.6;margin-top:8px;color:#617586}section:not(.hero){padding:75px 5vw}h2{font-size:clamp(30px,3vw,45px);line-height:1.17;letter-spacing:-1.2px;margin:0;font-weight:700}.intro h2{text-align:center;max-width:1000px;margin:auto auto 40px}.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.pillars a{background:#1b4e83;color:white;padding:32px;position:relative;transition:background .2s}.pillars a:hover{background:#2466a4}.pillars span{color:#85bddf;font-size:11px}.pillars h3{font-size:24px;margin:24px 0 17px}.pillars p{font-size:14px;line-height:1.8;color:#d2e3f2;margin-bottom:25px}.pillars b{font-size:11px;font-weight:400;border-bottom:1px solid #70a5c9;padding-bottom:6px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:40px;margin-bottom:35px}.section-head p{max-width:400px;font-size:13px;line-height:1.8;color:var(--gray)}.label{font-size:9px;color:var(--blue);letter-spacing:2px;margin-bottom:18px}.text-link{font-size:12px;color:var(--blue);padding-bottom:5px;border-bottom:1px solid #9bbad3}.catalog-tabs{display:flex;gap:7px;background:#eef2f5;padding:8px;margin-bottom:25px;flex-wrap:wrap}.catalog-tabs button{border:0;background:transparent;color:#37628a;padding:15px 25px;font-size:13px;font-weight:bold}.catalog-tabs button.active{background:white;box-shadow:0 3px 10px #173b5a10;color:#142e47}.catalog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.product{border:1px solid var(--line);display:flex;flex-direction:column;background:white}.product[hidden]{display:none}.product-img{height:235px;background:#f0f3f5;overflow:hidden}.product img{width:100%;height:100%;object-fit:cover;transition:transform .4s}.product:hover img{transform:scale(1.04)}.product-body{padding:25px;display:flex;flex-direction:column;flex:1}.product h3{font-size:21px;line-height:1.3;margin:0 0 15px}.product p{font-size:13px;line-height:1.8;color:var(--gray);margin:0 0 22px}.choose{border:0;border-top:1px solid var(--line);padding:16px 0 0;color:var(--blue);background:none;text-align:left;display:flex;justify-content:space-between;width:100%;font-size:12px;margin-top:auto}.catalog-note{font-size:11px;line-height:1.7;color:#81909b;margin-top:20px}.light{background:var(--light)}.production-layout{display:grid;grid-template-columns:280px 1fr;gap:35px}.process-tabs{display:flex;flex-direction:column}.process-tabs button{padding:22px 20px;border:0;border-bottom:1px solid #d6dfe7;background:#e8eef3;text-align:left;color:#31536f;font-size:13px;display:flex;justify-content:space-between}.process-tabs button.active{background:var(--blue);color:white}.process-content{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}.process-content img{width:100%;height:320px;object-fit:cover}.process-content h3{font-size:25px;line-height:1.25;margin:0 0 20px}.process-content p{font-size:14px;line-height:1.8;color:var(--gray);margin-bottom:25px}.azs{display:grid;grid-template-columns:1fr 1fr;gap:5vw;align-items:center}.azs-image{position:relative}.azs-image img{width:100%;height:480px;object-fit:cover}.azs-image small{position:absolute;bottom:12px;right:12px;color:white;background:#10243a99;padding:8px;font-size:9px}.azs-copy h2{font-size:36px}.azs-copy p,.azs-copy li{font-size:14px;line-height:1.8;color:var(--gray)}.azs-copy ul{padding-left:18px;margin:20px 0 30px}#about{background:var(--navy);color:white;display:grid;grid-template-columns:1fr 1fr;gap:6vw}#about .label{color:#6ec4ef}#about p{font-size:14px;line-height:1.85;color:#b7cddd}#about h2{font-size:40px}.step{border-top:1px solid #ffffff21;padding:17px 0;font-size:13px;display:flex;gap:22px;color:#c7d9e6}.step span{color:#69bde9;font-size:10px}.experience-list{border-top:1px solid var(--line)}.experience-row{display:grid;grid-template-columns:110px 1fr 1.2fr;gap:30px;padding:30px 0;border-bottom:1px solid var(--line)}.experience-year{font-size:12px;color:var(--blue);padding-top:5px}.experience-row h3{font-size:22px;line-height:1.3;margin:0 0 12px}.experience-place{font-size:11px;line-height:1.6;color:var(--blue)}.experience-row p{font-size:13px;color:var(--gray);line-height:1.8;margin:0}#competencies{background:var(--light)}.services{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.service{padding:26px;background:white;border:1px solid var(--line)}.num{font-size:10px;color:var(--blue);display:flex;justify-content:space-between}.num span{font-size:20px}.service h3{font-size:20px;line-height:1.3;margin:25px 0 15px}.service p{font-size:13px;color:var(--gray);line-height:1.8;margin:0}.calc{display:grid;grid-template-columns:1.35fr 1fr;gap:45px}.fields{display:grid;grid-template-columns:1fr 1fr;gap:20px}.fields label{display:flex;flex-direction:column;gap:10px;font-size:12px}.fields input,.fields select{padding:16px;width:100%;background:white;border:1px solid #c8d4df;color:var(--ink);border-radius:2px}.fields [hidden]{display:none}fieldset{border:0;border-top:1px solid var(--line);padding:20px 0;display:flex;gap:18px;flex-wrap:wrap;margin:25px 0 0}fieldset label{font-size:12px;display:flex;align-items:center;gap:6px}legend{font-size:12px;padding:10px 15px 10px 0}input[type=checkbox]{accent-color:var(--blue)}.calc-result{background:#153d64;padding:32px;color:white;align-self:start}.calc-result .label{color:#9cd4f3}.calc-result strong{display:block;font-size:50px;letter-spacing:-1px}.calc-result p,.calc-result small{font-size:12px;line-height:1.8;color:#b8cfe0}.calc-result small{display:block;margin-top:15px}.calc-result .btn{width:100%;margin-top:15px}.calc-line{padding:12px 0;border-bottom:1px solid #ffffff29;font-size:13px}.calc-error{color:#ffcfbb!important}#contacts{background:var(--light);display:grid;grid-template-columns:1fr 1fr;gap:8vw}#contacts p{font-size:14px;line-height:1.8;color:var(--gray);max-width:450px}.contact-details{border-top:1px solid #c6d3dd}.contact-row{padding:23px 0;border-bottom:1px solid #c6d3dd}.contact-row small{display:block;font-size:9px;color:var(--blue);letter-spacing:1px;margin-bottom:12px}.contact-row a{font-size:25px;font-weight:bold}.contact-row address{font-size:14px;line-height:1.7;font-style:normal}footer{background:#10243a;color:#b4c8da;padding:35px 5vw;display:flex;justify-content:space-between;gap:30px;font-size:11px;line-height:1.8}.footer-brand{font-size:21px;font-weight:bold;color:white}.footer-brand small{display:block;font-weight:400;color:#9eb5c9;font-size:10px}.floating{position:fixed;bottom:20px;right:20px;background:#185da5;color:white;border-radius:30px;padding:15px 22px;font-size:12px;z-index:25;box-shadow:0 8px 30px #10243a40}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #54b7e8;outline-offset:3px}.catalog-grid.compact{grid-template-columns:repeat(3,1fr)}.catalog-grid.compact .product-img{height:185px}@media(max-width:1100px){.header-info{display:none}.top{min-height:90px}.hero{min-height:590px}nav{gap:15px;font-size:11px}.process-content{grid-template-columns:1fr}.process-content img{height:260px}.azs-copy h2{font-size:30px}.azs-image img{height:420px}.stats strong{font-size:30px}}@media(max-width:700px){html{scroll-padding-top:85px}.top{padding:12px 5vw;min-height:80px;gap:10px}.brand{font-size:18px;gap:8px}.brand img{width:42px;height:40px}.brand small{font-size:6px;letter-spacing:1px}.top>.btn{display:none}#menu{display:block;border:1px solid #6b859e;background:none;color:white;padding:10px 12px;font-size:11px}nav{display:none;flex-direction:column;padding:20px 5vw;gap:20px}nav.open{display:flex}.hero{min-height:590px;padding:65px 6vw;background-position:40% center}h1{font-size:36px;letter-spacing:-1.2px}.hero p{font-size:14px}.hero p br{display:none}.eyebrow{font-size:8px;letter-spacing:1.5px}.hero .btn{font-size:12px;padding:18px 20px}.stats{grid-template-columns:1fr 1fr;gap:28px;padding:30px 6vw}.stats strong{font-size:28px}.stats small{font-size:11px}section:not(.hero){padding:50px 6vw}h2{font-size:31px}.section-head{display:block}.section-head>.text-link{display:inline-block;margin-top:22px}.pillars,.catalog-grid,.services,.catalog-grid.compact{grid-template-columns:1fr}.pillars a{padding:26px}.pillars h3{font-size:24px;margin-top:15px}.catalog-tabs{padding:5px;gap:4px}.catalog-tabs button{padding:12px 10px;font-size:11px}.product-img,.catalog-grid.compact .product-img{height:250px}.production-layout{grid-template-columns:1fr;gap:22px}.process-tabs{display:grid;grid-template-columns:1fr 1fr}.process-tabs button{font-size:11px;padding:17px 12px}.process-content{grid-template-columns:1fr}.process-content img{height:270px}.azs{grid-template-columns:1fr;gap:28px}.azs-image img{height:310px}.azs-copy h2{font-size:31px}#about{grid-template-columns:1fr;gap:25px}#about h2{font-size:32px}.experience-row{grid-template-columns:1fr;gap:13px}.experience-row h3{font-size:22px}.calc{grid-template-columns:1fr;gap:25px}.fields{gap:15px}.fields input,.fields select{padding:13px 8px;font-size:12px}.fields label{font-size:11px}.calc-result{padding:26px}#contacts{grid-template-columns:1fr;gap:30px}.contact-row a{font-size:23px}footer{flex-direction:column;padding-bottom:90px}.visual-note{font-size:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

.full-width{grid-column:1/-1}.text-product{border-top:3px solid #2b77b6;min-height:245px}.text-product .label{font-size:8px}.text-product h3{font-size:20px}
