:root { --ink:#111827; --muted:#4b5563; --line:#d7dde8; --bg:#f5f7fa; --paper:#fff; --blue:#155ee8; --green:#0f766e; --dark:#0b1220; --radius:8px; --shadow:0 18px 45px rgba(17,24,39,.12); }
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;color:var(--ink);background:var(--bg);font-family:Arial,Helvetica,sans-serif;line-height:1.6} a{color:inherit;text-decoration:none} img{max-width:100%;display:block}.container{width:min(1160px,calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;display:grid;grid-template-columns:auto 1fr auto auto;gap:18px;align-items:center;padding:14px max(20px,calc((100vw - 1160px)/2));background:rgba(255,255,255,.96);border-bottom:1px solid var(--line)}.brand img{height:46px;width:auto}.site-nav{display:flex;gap:18px;align-items:center;justify-content:center;font-size:15px}.site-nav a{color:#374151;padding:8px 0;border-bottom:2px solid transparent}.site-nav a[aria-current=page],.site-nav a:hover{color:var(--blue);border-bottom-color:var(--blue)}.lang-link{font-weight:800;color:#374151}.header-cta,.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:11px 18px;border-radius:6px;font-weight:700;border:1px solid transparent}.header-cta,.btn.primary{background:var(--blue);color:white}.btn.secondary{background:white;border-color:var(--line);color:var(--ink)}.menu-button{display:none}.hamburger{display:grid;gap:5px;width:22px}.hamburger span{display:block;height:2px;background:var(--ink);border-radius:999px;transition:transform .16s ease,opacity .16s ease}.menu-button[aria-expanded=true] .hamburger span:nth-child(1){transform:translateY(7px) rotate(45deg)}.menu-button[aria-expanded=true] .hamburger span:nth-child(2){opacity:0}.menu-button[aria-expanded=true] .hamburger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#0b1220 0%,#14213d 55%,#163b4b 100%);color:white;padding:86px 0 72px}.hero-art{position:absolute;inset:0;opacity:.34;background:linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px);background-size:48px 48px}.hero-art div{position:absolute;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.04)}.hero-art div:nth-child(1){width:260px;height:190px;right:8%;top:14%;transform:skewY(-9deg)}.hero-art div:nth-child(2){width:180px;height:130px;right:22%;bottom:12%;transform:skewY(8deg)}.hero-art div:nth-child(3){width:120px;height:120px;left:8%;bottom:16%;transform:rotate(12deg)}.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:56px;align-items:center}.eyebrow{margin:0 0 12px;color:#38bdf8;font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}h1,h2,h3{line-height:1.14;margin:0 0 16px;letter-spacing:0}h1{font-size:clamp(40px,6vw,72px);max-width:900px}h2{font-size:34px}h3{font-size:21px}p{color:var(--muted);margin:0 0 16px}.hero .lead{color:#d8dee9;font-size:20px;max-width:760px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.hero-panel{border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);border-radius:var(--radius);padding:24px;backdrop-filter:blur(8px)}.hero-panel img{height:48px;margin-bottom:18px}.hero-panel p,.hero-panel li{color:#e5e7eb}.hero-panel ul{margin:18px 0 0;padding-left:20px}
section{padding:72px 0}.band{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.section-head{max-width:760px;margin-bottom:32px}.service-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.service-card,.proof-panel,.rfq-form,.steps article,.material-table article,.faq details{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 8px 24px rgba(17,24,39,.06)}.band .service-card,.band .proof-panel,.band .rfq-form,.band .material-table article,.band .faq details{background:#fbfcfe}.card-link{display:block;color:inherit;transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease}.card-link:hover,.card-link:focus-visible{transform:translateY(-2px);border-color:var(--blue);box-shadow:0 14px 34px rgba(21,94,232,.15);outline:none}.card-link h3{color:var(--ink)}.card-more{display:inline-block;margin-top:8px;color:var(--blue);font-weight:800}.image-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.proof-image{margin:0;overflow:hidden;background:white;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 24px rgba(17,24,39,.06)}.proof-image img{width:100%;aspect-ratio:4/3;object-fit:cover;background:#eef2f7}.proof-image figcaption{display:grid;gap:6px;padding:16px}.proof-image strong{font-size:18px;line-height:1.2}.proof-image span{color:var(--muted)}.case-visual-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:24px;align-items:start}.case-photo{margin:0;background:white;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:0 8px 24px rgba(17,24,39,.06)}.case-photo-stage{position:relative;overflow:hidden;min-height:320px;background:linear-gradient(180deg,#f8fafc,#eef2f7);border-radius:6px}.case-photo img{width:100%;height:auto;object-fit:contain}.case-photo figcaption{padding-top:12px;color:var(--muted);font-size:14px}.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,420px);gap:48px;align-items:start}.check-list{padding:0;margin:20px 0 0;list-style:none}.check-list li{position:relative;padding-left:28px;margin-bottom:10px;color:#374151}.check-list li:before{content:"";position:absolute;left:0;top:9px;width:12px;height:7px;border-left:3px solid var(--green);border-bottom:3px solid var(--green);transform:rotate(-45deg)}.proof-panel dl{display:grid;gap:18px;margin:0}.proof-panel div{border-top:1px solid var(--line);padding-top:16px}.proof-panel dt{font-size:24px;font-weight:800;color:var(--blue)}.proof-panel dd{margin:4px 0 0;color:var(--muted)}.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.steps strong{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#e7f0ff;color:var(--blue);margin-bottom:14px}.text-stack{max-width:860px}.text-stack article+article{margin-top:34px;padding-top:34px;border-top:1px solid var(--line)}.faq{display:grid;gap:12px}.faq summary{cursor:pointer;font-weight:800}.faq p{margin:12px 0 0}.material-table{display:grid;gap:12px}.material-table article{display:grid;grid-template-columns:160px 1fr 1fr;gap:20px;align-items:center}.material-table h3,.material-table p{margin:0}.material-table span{color:var(--muted)}.form-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:28px;align-items:start}.rfq-form{display:grid;gap:16px}.rfq-form label{display:grid;gap:7px;font-weight:800;color:#1f2937}.rfq-form input,.rfq-form select,.rfq-form textarea{width:100%;padding:12px 13px;border:1px solid #cbd5e1;border-radius:6px;font:inherit;color:var(--ink);background:white}.rfq-form textarea{resize:vertical}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-note{font-size:14px;margin:0}.site-footer{background:var(--dark);color:white;padding:42px 0}.footer-grid{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:start}.site-footer img{height:42px;margin-bottom:14px}.site-footer p,.site-footer a{color:#cbd5e1}.site-footer nav{display:grid;gap:8px}
@media (max-width:980px){.site-header{grid-template-columns:auto auto auto auto}.menu-button{display:inline-flex;align-items:center;justify-content:center;justify-self:end;width:42px;min-height:40px;border:1px solid var(--line);background:white;border-radius:6px;padding:0}.site-nav{display:none;position:absolute;left:0;right:0;top:74px;padding:18px 20px;background:white;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.site-nav.open{display:flex}.hero-grid,.split,.form-layout,.case-visual-grid{grid-template-columns:1fr}.service-grid,.steps,.image-grid{grid-template-columns:1fr 1fr}}
@media (max-width:620px){.container{width:min(100% - 28px,1160px)}.site-header{gap:10px;padding:12px 14px}.brand img{height:38px}.lang-link{font-size:13px}.header-cta{padding:8px 10px;min-height:38px}h1{font-size:38px}h2{font-size:28px}section{padding:54px 0}.service-grid,.steps,.image-grid,.form-row,.material-table article,.footer-grid{grid-template-columns:1fr}.hero-actions{flex-direction:column;align-items:stretch}.case-photo{padding:12px}.case-photo-stage{min-height:220px}}