:root{
  --ink:#0a1f36;
  --muted:#597084;
  --blue:#0057c8;
  --blue-dark:#003b88;
  --sky:#eaf5ff;
  --line:#d9e6f2;
  --card:#ffffff;
  --soft:#f5f9fc;
  --accent:#05a7d8;
  --shadow:0 18px 45px rgba(12,43,73,.12);
  --radius:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Arial,Helvetica,sans-serif;color:var(--ink);background:#fff;line-height:1.55}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{width:min(1180px,92vw);margin-inline:auto}
.skip-link{position:absolute;left:-999px;top:auto;background:#fff;color:#000;padding:8px;z-index:999}
.skip-link:focus{left:8px;top:8px}
.top-strip{background:#071a2e;color:#fff;font-size:.92rem}
.top-strip a{color:#fff}
.top-strip-inner{display:flex;gap:20px;justify-content:flex-end;align-items:center;min-height:42px}
.top-strip-inner span{margin-right:auto}
.site-header{position:sticky;top:0;background:#fff;z-index:20;box-shadow:0 2px 14px rgba(8,30,52,.08)}
.main-nav{height:78px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;color:var(--ink);flex:0 0 auto}
.brand:hover{text-decoration:none}
.brand-logo-img{display:block;width:clamp(190px,22vw,252px);height:auto}
.brand-mark{display:inline-grid;place-items:center;width:46px;height:46px;border-radius:14px;background:linear-gradient(135deg,var(--blue),#00a3e8);color:#fff;font-weight:900;letter-spacing:-.08em}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-text strong{font-size:1.28rem;letter-spacing:-.04em}
.brand-text small{color:var(--muted)}
.nav-links{display:flex;align-items:center;gap:18px}
.nav-links a{color:var(--ink);font-weight:700}
.nav-links a.active{color:var(--blue)}
.nav-cta{background:var(--blue);color:#fff!important;padding:10px 16px;border-radius:999px}
.nav-cta:hover,.btn:hover{text-decoration:none}
.nav-toggle{display:none;background:var(--ink);color:#fff;border:0;border-radius:999px;padding:10px 15px;font-weight:700}
.hero-single{background:#eef7ff;padding:0}
.hero-single .wrap{width:min(1600px,100vw)}
.hero-image-shell{position:relative;background:#ddecfb;overflow:hidden;box-shadow:0 15px 50px rgba(0,41,91,.16)}
.hero-image-shell img{width:100%;height:auto}
.hero-explore-hotspot{position:absolute;left:4.55%;top:75.0%;width:17.1%;height:6.8%;border-radius:10px;text-indent:-9999px;overflow:hidden}
.hero-explore-hotspot:hover{box-shadow:0 0 0 4px rgba(255,255,255,.55),0 0 0 8px rgba(0,87,200,.28);text-decoration:none}
.hero-explore-hotspot:focus{outline:4px solid #fff;outline-offset:3px;box-shadow:0 0 0 8px rgba(0,87,200,.45)}
.section{padding:72px 0}
.section.tight{padding:44px 0}
.section-header{display:flex;justify-content:space-between;gap:28px;align-items:end;margin-bottom:28px}
.section-header h1,.section-header h2,.page-hero h1{margin:0 0 10px;font-size:clamp(2rem,4vw,3.4rem);line-height:1;letter-spacing:-.055em}
.section-header p,.page-hero p,.lead{color:var(--muted);font-size:1.08rem;margin:0;max-width:780px}
.eyebrow{font-size:.8rem;text-transform:uppercase;letter-spacing:.13em;color:var(--blue);font-weight:900;margin-bottom:8px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;border-radius:999px;padding:13px 20px;font-weight:900;border:1px solid transparent}
.btn.primary{background:var(--blue);color:#fff}
.btn.secondary{background:#fff;color:var(--ink);border-color:var(--line)}
.btn.primary:hover{background:var(--blue-dark)}
.text-link{font-weight:900}
.category-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.category-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:22px;overflow:hidden;color:var(--ink);box-shadow:0 8px 22px rgba(12,43,73,.06)}
.category-card:hover{text-decoration:none;box-shadow:var(--shadow);transform:translateY(-2px)}
.category-thumb{aspect-ratio:4/3;width:100%;height:auto;object-fit:contain;background:#fff;border-bottom:1px solid var(--line)}
.category-card h3{font-size:1.18rem;margin:18px 18px 6px;letter-spacing:-.03em}
.category-card p{margin:0 18px 15px;color:var(--muted);font-size:.95rem;flex:1}
.category-card span{margin:0 18px 18px;font-weight:900;color:var(--blue)}
.product-grid,.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.product-grid.four{grid-template-columns:repeat(4,1fr)}
.product-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;box-shadow:0 7px 20px rgba(12,43,73,.06)}
.product-card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.product-media{display:block;background:#fff;border-bottom:1px solid var(--line)}
.product-media img{aspect-ratio:4/3;width:100%;object-fit:contain;padding:10px;transition:transform .22s ease}
.product-card:hover .product-media img{transform:scale(1.015)}
.product-card-body{padding:20px;display:flex;flex-direction:column;flex:1}
.product-card h3{font-size:1.12rem;line-height:1.25;margin:0 0 9px;letter-spacing:-.02em}
.product-card h3 a{color:var(--ink)}
.product-card p{color:var(--muted);font-size:.95rem;margin:0 0 18px;flex:1}
.card-actions{display:flex;gap:12px;align-items:center;justify-content:space-between;margin-top:auto}
.price-chip{display:inline-flex;align-items:center;background:#e7f5ff;color:#003b88;border:1px solid #b9e4ff;border-radius:999px;font-weight:900;padding:8px 12px;white-space:nowrap;font-size:.9rem}
.feature-band{background:linear-gradient(135deg,#f7fbff,#e9f5ff);padding:70px 0;border-block:1px solid var(--line)}
.feature-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:center}
.feature-grid img{border-radius:28px;box-shadow:var(--shadow);background:#fff}
.feature-copy h2{font-size:clamp(2rem,4vw,3.3rem);line-height:1;margin:0 0 16px;letter-spacing:-.05em}
.feature-copy p{color:var(--muted)}
.tick-list{list-style:none;margin:24px 0 0;padding:0;display:grid;gap:12px}
.tick-list li{position:relative;padding-left:34px}
.tick-list li:before{content:"";position:absolute;left:0;top:.2em;width:22px;height:22px;border-radius:50%;background:var(--blue)}
.tick-list li:after{content:"";position:absolute;left:7px;top:.45em;width:8px;height:12px;border:solid #fff;border-width:0 3px 3px 0;transform:rotate(45deg)}
.page-hero{padding:54px 0;background:linear-gradient(135deg,#f7fbff,#eaf4ff);border-bottom:1px solid var(--line)}
.page-hero .narrow{max-width:880px}
.breadcrumbs{font-weight:800;font-size:.92rem;margin-bottom:18px;display:flex;flex-wrap:wrap;gap:8px;color:var(--muted)}
.crumb-sep{color:#9bb3c7}
.product-search{display:flex;gap:12px;align-items:center;margin:0 0 26px}
.product-search input{flex:1;border:1px solid var(--line);border-radius:999px;padding:13px 16px;font:inherit}
.product-layout{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(320px,.8fr);gap:28px;align-items:start}
.product-detail-card,.quote-panel,.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 24px rgba(12,43,73,.07);overflow:hidden}
.main-product-image{width:100%;aspect-ratio:4/3;object-fit:contain;background:#fff;border-bottom:1px solid var(--line);padding:14px}
.product-detail-body{padding:26px}
.product-detail-body h1{font-size:clamp(2rem,4vw,3.3rem);line-height:1;margin:0 0 12px;letter-spacing:-.05em}
.notice{margin:18px 0;padding:15px;background:#fff7df;border:1px solid #f2d68b;border-radius:16px;color:#604300}
.spec-table{width:100%;border-collapse:collapse;margin-top:14px}
.spec-table th,.spec-table td{border-top:1px solid var(--line);padding:13px;text-align:left;vertical-align:top}
.spec-table th{width:32%;color:#284963;background:#f8fbfd}
.quote-panel{padding:24px;position:sticky;top:110px}
.form-head h2{font-size:1.35rem;line-height:1.2;margin:0 0 8px;letter-spacing:-.02em}
.form-head p{color:var(--muted);margin:0 0 18px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-grid label{font-weight:800;font-size:.93rem;color:#294b64}
.form-grid input,.form-grid textarea{width:100%;margin-top:6px;border:1px solid var(--line);border-radius:14px;padding:12px 13px;font:inherit;color:var(--ink);background:#fff}
.form-grid textarea{resize:vertical}
.form-grid .full{grid-column:1/-1}
.honeypot{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-note{font-size:.85rem;color:var(--muted)}
.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:28px}
.contact-card{padding:26px}
.contact-card address{font-style:normal}
.site-footer{background:#071a2e;color:#dceaf7;padding:54px 0 24px}
.site-footer a{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.4fr .9fr .9fr 1fr;gap:32px}
.site-footer h2{font-size:1rem;text-transform:uppercase;letter-spacing:.1em;color:#fff}
.site-footer ul{margin:0;padding:0;list-style:none;display:grid;gap:8px}
.footer-logo{margin-bottom:16px;max-width:250px}.footer-logo-img{width:250px;height:auto}.footer-brand p{max-width:440px;color:#b9ccda}
.footer-bottom{margin-top:34px;border-top:1px solid rgba(255,255,255,.14);padding-top:20px;color:#a8bfd1;font-size:.9rem}
.hide{display:none!important}
@media (max-width: 1050px){
  .category-grid{grid-template-columns:repeat(3,1fr)}
  .product-grid.four{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width: 800px){
  .top-strip-inner{justify-content:center;flex-wrap:wrap;padding:8px 0}
  .top-strip-inner span{width:100%;text-align:center;margin:0}
  .main-nav{height:auto;min-height:72px;align-items:flex-start;padding-block:13px;position:relative}
  .nav-toggle{display:block}
  .nav-links{display:none;position:absolute;top:68px;left:4vw;right:4vw;background:#fff;border:1px solid var(--line);border-radius:20px;padding:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
  .nav-links.open{display:flex}
  .section{padding:48px 0}
  .section-header{display:block}
  .category-grid,.product-grid,.product-grid.four,.related-grid,.feature-grid,.product-layout,.contact-grid{grid-template-columns:1fr}
  .quote-panel{position:static}
  .footer-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .card-actions{align-items:flex-start;flex-direction:column}
}
@media (max-width: 520px){
  .brand-logo-img{width:176px}
  .brand-text small{display:none}
  .brand-mark{width:42px;height:42px}
  .hero-explore-hotspot{left:4.3%;top:74.7%;width:18.5%;height:7.6%}
  .product-search{display:block}
  .product-search .btn{margin-top:10px}
}
