:root{--navy-900: #0b1526;--navy-800: #101f38;--navy-700: #16294a;--ink: #24334d;--muted: #5b6b85;--accent: #2563eb;--accent-strong: #1d4ed8;--accent-soft: #dbe7ff;--bg: #f6f8fc;--card: #ffffff;--line: #e4eaf3;--radius: 14px;--shadow-sm: 0 1px 2px rgba(16, 31, 56, .06), 0 2px 8px rgba(16, 31, 56, .06);--shadow-md: 0 6px 24px rgba(16, 31, 56, .12);--shadow-lg: 0 16px 48px rgba(16, 31, 56, .18);--font-head: "Montserrat", "Segoe UI", system-ui, sans-serif;--font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;--nav-h: 72px}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 12px)}body{font-family:var(--font-body);color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}img{max-width:100%;display:block}a{color:var(--accent);text-decoration:none}h1,h2,h3,h4{font-family:var(--font-head);line-height:1.25;color:var(--navy-800)}.container{width:min(1160px,92%);margin-inline:auto}.section{padding:88px 0}.section.tight{padding:64px 0}.section-head{max-width:720px;margin:0 auto 52px;text-align:center}.section-head .eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);background:var(--accent-soft);padding:6px 14px;border-radius:999px;margin-bottom:16px}.section-head h2{font-size:clamp(1.7rem,3.4vw,2.5rem);font-weight:800}.section-head p{margin-top:14px;color:var(--muted);font-size:1.02rem}.nav{position:fixed;inset:0 0 auto 0;z-index:100;height:var(--nav-h);display:flex;align-items:center;transition:background .3s ease,box-shadow .3s ease,height .3s ease}.nav .container{display:flex;align-items:center;justify-content:space-between;gap:24px}.nav-logo img{height:40px;width:auto;transition:height .3s ease}.nav-logo .logo-on-dark{display:none}.nav:not(.scrolled) .nav-logo .logo-on-light{display:none}.nav:not(.scrolled) .nav-logo .logo-on-dark{display:block}.nav.scrolled{background:#ffffffe0;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow-sm);height:62px}.nav.scrolled .nav-logo img{height:34px}.nav-menu{display:flex;align-items:center;gap:6px;list-style:none}.nav-menu>li{position:relative}.nav-menu a{display:inline-flex;align-items:center;gap:6px;padding:10px 16px;border-radius:10px;font-weight:600;font-size:.95rem;color:var(--navy-800);transition:background .2s ease,color .2s ease}.nav:not(.scrolled) .nav-menu a{color:#eaf1ff}.nav:not(.scrolled) .nav-menu a:hover,.nav:not(.scrolled) .nav-menu a.active{color:#fff}.nav-menu a:hover,.nav-menu a.active{background:var(--accent-soft);color:var(--accent-strong)}.nav:not(.scrolled) .nav-menu a:hover,.nav:not(.scrolled) .nav-menu a.active{background:#ffffff24}.nav-drop .caret{width:10px;height:10px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .25s ease}.nav-drop.open .caret{transform:rotate(225deg) translateY(-1px)}.dropdown{position:absolute;top:calc(100% + 8px);left:0;min-width:210px;background:#fff;border-radius:12px;box-shadow:var(--shadow-md);list-style:none;padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .22s ease,transform .22s ease,visibility .22s}.nav-drop:hover .dropdown,.nav-drop.open .dropdown{opacity:1;visibility:visible;transform:translateY(0)}.dropdown a{display:flex;color:var(--ink)!important;border-radius:8px;padding:10px 14px}.dropdown a:hover{background:var(--accent-soft);color:var(--accent-strong)!important}.nav-toggle{display:none;width:44px;height:44px;border:0;background:transparent;cursor:pointer;border-radius:10px;position:relative;z-index:110}.nav-toggle span,.nav-toggle span:before,.nav-toggle span:after{content:"";position:absolute;left:10px;width:24px;height:2px;background:var(--navy-800);border-radius:2px;transition:all .28s ease}.nav-toggle span{top:50%}.nav-toggle span:before{top:-7px}.nav-toggle span:after{top:7px}.nav:not(.scrolled) .nav-toggle span,.nav:not(.scrolled) .nav-toggle span:before,.nav:not(.scrolled) .nav-toggle span:after{background:#fff}.nav-toggle.open span{background:transparent!important}.nav-toggle.open span:before{top:0;transform:rotate(45deg);background:var(--navy-800)!important}.nav-toggle.open 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36px;font-size:clamp(1rem,1.6vw,1.2rem);color:#c9d8f2;max-width:620px}.hero-actions{display:flex;flex-wrap:wrap;gap:14px}.page-hero{position:relative;padding:calc(var(--nav-h) + 72px) 0 72px;color:#fff;isolation:isolate;overflow:hidden}.page-hero .hero-bg{z-index:-2}.page-hero:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;z-index:-1;background:linear-gradient(115deg,#081122e6,#0d2042b3)}.page-hero h1{color:#fff;font-size:clamp(2rem,5vw,3.2rem);font-weight:800}.page-hero p{margin-top:12px;color:#c9d8f2;max-width:640px}.breadcrumb{display:flex;gap:8px;align-items:center;font-size:.88rem;margin-bottom:18px;color:#9cc2ff}.breadcrumb a{color:inherit}.breadcrumb a:hover{color:#fff}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 30px;border-radius:12px;border:0;cursor:pointer;font-family:var(--font-head);font-weight:700;font-size:.95rem;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px #2563eb59}.btn-primary:hover{background:var(--accent-strong);transform:translateY(-2px);box-shadow:0 12px 26px #2563eb6b}.btn-ghost{background:#ffffff1f;color:#fff;border:1px solid rgba(255,255,255,.45);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.btn-ghost:hover{background:#ffffff38;transform:translateY(-2px)}.btn-dark{background:var(--navy-800);color:#fff}.btn-dark:hover{background:var(--navy-700);transform:translateY(-2px)}.showcase{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.showcase img{width:100%;aspect-ratio:4/3;object-fit:contain;padding:16px;background:#f2f5fa;border-radius:var(--radius);cursor:zoom-in;box-shadow:var(--shadow-sm);transition:transform .35s ease,box-shadow .35s ease}.showcase img:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}.prose{max-width:860px;margin:0 auto;text-align:center;color:var(--muted);font-size:1.06rem}.prose strong{color:var(--navy-800)}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.feature-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;box-shadow:var(--shadow-sm);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--accent-soft)}.feature-icon{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent-strong);margin-bottom:18px}.feature-icon svg{width:26px;height:26px}.feature-card h3{font-size:1.12rem;margin-bottom:10px}.feature-card p{color:var(--muted);font-size:.95rem}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:22px}.card{background:var(--card);border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm);cursor:zoom-in;transition:transform .3s ease,box-shadow .3s ease}.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}.card-img{aspect-ratio:4/3;overflow:hidden;background:#eef2f8}.card-img img{width:100%;height:100%;object-fit:contain;transition:transform .5s ease}.card:hover .card-img img{transform:scale(1.06)}.card-body{padding:14px 16px 16px;display:flex;align-items:center;justify-content:space-between;gap:10px}.card-title{font-size:.92rem;font-weight:600;color:var(--navy-800);line-height:1.4}.card-zoom{flex:none;width:32px;height:32px;border-radius:9px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent-strong)}.card-zoom svg{width:16px;height:16px}.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:56px}.contact-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:34px 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a{color:var(--navy-800)!important}.nav-menu a{width:100%;padding:13px 16px}.nav-menu.open a:hover,.nav-menu.open a.active{background:var(--accent-soft)!important;color:var(--accent-strong)!important}.dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;border-left:2px solid var(--line);border-radius:0;margin:4px 0 8px 22px;padding:0;display:none;min-width:0}.nav-drop.open .dropdown{display:block}.nav-drop .caret{margin-left:auto}.form-row{grid-template-columns:1fr}.contact-form{padding:26px}.hero{min-height:78vh}.hero-content{padding:120px 0 64px}}@media (max-width: 560px){.features,.showcase,.footer-grid{grid-template-columns:1fr}.grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:14px}.card-body{padding:10px 12px 12px}.card-title{font-size:.82rem}.footer-bottom{flex-direction:column}}.filter-bar{position:sticky;top:62px;z-index:60;background:#f6f8fceb;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:14px 0;display:flex;gap:10px;flex-wrap:wrap;justify-content:center;border-bottom:1px solid var(--line);margin-bottom:40px}.filter-btn{padding:9px 20px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--ink);cursor:pointer;font-family:var(--font-head);font-weight:600;font-size:.88rem;transition:all .22s ease}.filter-btn:hover{border-color:var(--accent);color:var(--accent-strong);transform:translateY(-1px)}.filter-btn.active{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 6px 16px #2563eb4d}.hide{display:none!important}.catalog-cat{margin-bottom:64px}.cat-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:14px;margin-bottom:22px}.cat-head h2{font-size:clamp(1.3rem,2.6vw,1.8rem);font-weight:800}.cat-head .count{font-size:.82rem;font-weight:700;color:var(--accent-strong);background:var(--accent-soft);border-radius:999px;padding:3px 12px}.cat-head .cat-desc{flex-basis:100%;color:var(--muted);font-size:.95rem;margin-top:-6px}.product-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin-bottom:20px;box-shadow:var(--shadow-sm);transition:box-shadow .3s ease}.product-panel:hover{box-shadow:var(--shadow-md)}.product-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.product-head h3{font-size:1.08rem}.product-head .model{color:var(--muted);font-weight:600;font-size:.85rem;margin-left:8px}.spec-btns{display:flex;gap:8px;flex-wrap:wrap}.spec-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:999px;border:1px solid var(--accent);color:var(--accent-strong);background:var(--accent-soft);font-family:var(--font-head);font-weight:600;font-size:.82rem;transition:all .2s ease}.spec-btn:hover{background:var(--accent);color:#fff}.spec-btn svg{width:14px;height:14px}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px}.product-grid .card{cursor:zoom-in}.no-img{color:var(--muted);font-size:.92rem;padding:8px 0}@media (max-width: 560px){.filter-bar{top:56px;gap:8px;padding:10px 0}.filter-btn{padding:7px 14px;font-size:.8rem}.product-panel{padding:16px}.product-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px}}