:root{--ink:#172027;--steel:#465765;--line:#d9e0e6;--mist:#f4f7f9;--signal:#b6402a;--brass:#a5793f;--deep:#101820}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,"Segoe UI",Arial,sans-serif;color:var(--ink);background:#fff}
a{text-decoration:none;color:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px}
header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.nav{height:74px;display:grid;grid-template-columns:minmax(240px,1fr) 560px 146px;align-items:center;gap:14px}
.brand{display:flex;align-items:center;gap:12px;font-weight:760;min-width:0}
.mark{width:42px;height:42px;border:1px solid var(--line);border-radius:7px;padding:5px}
.mark img{width:100%;height:100%;object-fit:contain}
.links{display:flex;justify-content:center;gap:10px;color:#25313a;font-size:12.5px;font-weight:650;white-space:nowrap}
.cta{display:inline-flex;align-items:center;justify-content:center;width:auto;min-width:142px;height:46px;border-radius:6px;background:var(--signal);color:#fff;padding:0 18px;font-size:14px;font-weight:760;border:0;white-space:nowrap;box-sizing:border-box}
.ghost{display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.28);border-radius:6px;color:#fff;padding:12px 18px;font-weight:760}
.hero{background:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px),var(--deep);background-size:56px 56px;color:#fff;padding:84px 0 72px}
.hero-grid{display:grid;grid-template-columns:1fr .9fr;gap:42px;align-items:center}
.eyebrow{margin:0 0 16px;color:#d9b06b;font-size:13px;font-weight:850;letter-spacing:.18em;text-transform:uppercase}
h1{margin:0;font-size:clamp(40px,5vw,62px);line-height:1.05}
.lead{margin:24px 0 0;color:#d7dee4;font-size:19px;line-height:1.75}
.hero-actions{margin-top:30px;display:flex;gap:12px;flex-wrap:wrap}
.hero-img{overflow:hidden;border:1px solid rgba(255,255,255,.16);border-radius:8px;background:#fff;padding:18px;box-shadow:0 24px 70px rgba(0,0,0,.25)}
.hero-img img{width:100%;height:360px;object-fit:contain;display:block}
.hero-badges{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
.hero-badges span{border:1px solid rgba(255,255,255,.18);border-radius:6px;padding:12px;color:#d7dee4;font-size:13px;font-weight:760;line-height:1.35;background:rgba(255,255,255,.06)}
section{padding:76px 0}
.mist{background:var(--mist)}
.dark{background:var(--deep);color:#fff}
.head{max-width:820px;margin-bottom:34px}
.head h2{margin:0;font-size:clamp(31px,3vw,44px);line-height:1.14}
.head p{margin:16px 0 0;color:var(--steel);font-size:18px;line-height:1.7}
.dark .head p{color:#cbd4dc}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.product,.card,.spec,.faq-item{border:1px solid var(--line);border-radius:8px;background:#fff;box-shadow:0 2px 10px rgba(23,32,39,.04)}
.product{overflow:hidden}
.pic{height:275px;padding:16px;background:#fff}
.product img{width:100%;height:100%;object-fit:contain}
.product div:last-child{border-top:1px solid var(--line);padding:20px}
.product h3,.card h3,.spec h3,.faq-item h3{margin:0;font-size:21px}
.product p,.card p,.spec p,.faq-item p{color:var(--steel);line-height:1.65}
.card,.spec,.faq-item{padding:24px}
.card strong,.spec strong{display:block;margin-bottom:8px;color:var(--signal);font-size:13px;letter-spacing:.12em;text-transform:uppercase}
.case-card{display:grid;gap:14px}
.case-card h3{margin:0;font-size:21px;line-height:1.25}
.case-card .cta{justify-self:start;min-width:146px;height:42px;font-size:13px}
.case-meta{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.case-meta span{border:1px solid var(--line);border-radius:6px;background:var(--mist);padding:10px;color:var(--steel);font-size:13px;font-weight:750;line-height:1.35}
.case-meta strong{display:block;margin:3px 0 0;color:var(--ink);font-size:13px;letter-spacing:0;text-transform:none}
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 0}
.filter-row a,.filter-row button{border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--graphite,#25313a);padding:10px 14px;font:inherit;font-size:13px;font-weight:760;cursor:pointer}
.filter-row a:first-child,.filter-row button:first-child{background:var(--ink);border-color:var(--ink);color:#fff}
.detail-stack{display:grid;gap:18px}
.case-detail{border:1px solid var(--line);border-radius:8px;background:#fff;padding:28px;box-shadow:0 2px 10px rgba(23,32,39,.04)}
.case-detail h3{margin:0;font-size:28px;line-height:1.2}
.case-detail h4{margin:22px 0 8px;font-size:15px;color:var(--signal);letter-spacing:.1em;text-transform:uppercase}
.case-detail p{margin:0;color:var(--steel);line-height:1.7}
.gallery-note{margin-top:26px;border-left:4px solid var(--signal);padding:18px 22px;background:#fff;color:var(--steel);font-size:16px;line-height:1.65}
.proof-card{overflow:hidden;border:1px solid rgba(255,255,255,.16);border-radius:8px;background:rgba(255,255,255,.06)}
.proof-card img{display:block;width:100%;height:250px;object-fit:cover}
.proof-card div{padding:20px}
.proof-card h3{margin:0;color:#fff;font-size:21px}
.proof-card p{margin:10px 0 0;color:#cbd4dc;line-height:1.65}
.spec-list{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.spec{min-height:142px}
.process{counter-reset:step}
.process .card{position:relative;padding-top:54px}
.process .card:before{counter-increment:step;content:counter(step);position:absolute;top:20px;left:24px;width:26px;height:26px;display:grid;place-items:center;border-radius:50%;background:var(--signal);color:#fff;font-size:13px;font-weight:850}
.project-note{border-left:4px solid var(--signal);background:#fff;padding:22px 24px;color:var(--steel);font-size:17px;line-height:1.7}
.rfq{display:grid;grid-template-columns:.85fr 1.15fr;gap:42px}
form{border:1px solid var(--line);border-radius:8px;background:#fff;padding:28px;box-shadow:0 24px 70px rgba(23,32,39,.12)}
label{display:block;font-size:14px;font-weight:750}
input,textarea,select{width:100%;margin-top:8px;padding:13px;border:1px solid var(--line);border-radius:6px;font:inherit}
textarea{min-height:120px}
.formgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.full{grid-column:1/-1}
.form-hint{margin:0 0 18px;color:var(--steel);line-height:1.65}
.whatsapp{position:fixed;right:28px;bottom:24px;min-height:54px;display:inline-flex;align-items:center;gap:10px;border-radius:999px;background:#1f7a4c;color:#fff;font-size:14px;font-weight:850;line-height:1.2;padding:10px 16px 10px 10px;box-shadow:0 18px 45px rgba(23,32,39,.22);z-index:30;max-width:290px}
.whatsapp img{width:34px;height:34px;display:block;flex:0 0 auto}
.whatsapp span{display:block}
footer{background:var(--ink);color:#cbd4dc;padding:42px 0}
.social-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.social-links a{border:1px solid rgba(255,255,255,.16);border-radius:6px;padding:9px 12px;color:#cbd4dc;font-size:14px;font-weight:750}
.legal-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.legal-links a{border:1px solid rgba(255,255,255,.16);border-radius:6px;padding:9px 12px;color:#cbd4dc;font-size:14px;font-weight:750}
@media(max-width:820px){.nav{grid-template-columns:minmax(0,1fr) 146px}.links{display:none}.hero-grid,.rfq,.grid4,.grid3,.grid2,.spec-list,.formgrid,.case-meta{grid-template-columns:1fr}.hero-badges{grid-template-columns:1fr}.hero-img img{height:300px}.whatsapp{right:16px;bottom:16px;max-width:calc(100vw - 32px);font-size:13px}}