@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root{
  --accent:#c62828;
  --blue-dark:#a91f1f;
  --ink:#14212b;
  --muted:#64748b;
  --line:#dfe5e9;
  --soft:#f4f7f9;
  --white:#fff;
  --radius:20px;
  --shadow:0 18px 45px rgba(16,42,67,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.65}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{width:min(1180px,calc(100% - 40px));margin:auto}

.top-strip{background:#0c1b2d;color:#dce7f5;font-size:13px}
.top-inner{height:38px;display:flex;align-items:center;justify-content:space-between}

.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(226,232,240,.9)}
.nav-wrap{min-height:78px;display:flex;align-items:center;gap:30px}
.brand{display:flex;align-items:center;gap:11px;margin-right:auto}
.brand-mark{width:43px;height:43px;border-radius:12px;background:var(--accent);color:white;display:grid;place-items:center;font-size:22px;font-weight:800;box-shadow:0 8px 20px rgba(59,130,246,.25)}
.brand b{display:block;letter-spacing:.12em;font-size:16px}
.brand small{display:block;color:var(--muted);font-size:9px;letter-spacing:.15em;font-weight:700}
nav{display:flex;gap:6px}
nav a{padding:10px 13px;border-radius:10px;color:#42546a;font-size:14px;font-weight:600}
nav a:hover,nav a.active{color:var(--accent);background:#eff6ff}
.header-btn,.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:12px 18px;font-weight:700;font-size:14px}
.header-btn{background:var(--accent);color:white;box-shadow:0 8px 20px rgba(59,130,246,.2)}

.hero{overflow:hidden;background:linear-gradient(135deg,#f8fbff 0%,#eef6ff 100%);padding:85px 0 95px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:55px}
.hero-kicker,.section-label{font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}
.hero h1{font-size:clamp(40px,5vw,66px);line-height:1.06;letter-spacing:-.045em;margin:16px 0 22px;max-width:720px}
.hero h1 span{color:var(--accent)}
.hero p{color:#5c6d80;font-size:17px;max-width:650px}
.hero-actions{display:flex;gap:12px;margin-top:30px}
.btn.primary{background:var(--accent);color:#fff;box-shadow:0 12px 28px rgba(59,130,246,.22)}
.btn.secondary{background:#fff;border:1px solid #d9e2ee;color:#24384e}
.hero-visual{min-height:410px;position:relative}
.hero-card{position:absolute;background:#fff;padding:12px;border-radius:24px;box-shadow:var(--shadow);overflow:hidden}
.hero-card img{width:100%;height:100%;object-fit:cover;border-radius:16px}
.hero-card-one{width:72%;height:320px;right:3%;top:10px;transform:rotate(3deg)}
.hero-card-two{width:48%;height:230px;left:2%;bottom:5px;transform:rotate(-7deg);z-index:2}
.hero-orb{position:absolute;width:300px;height:300px;border-radius:50%;right:0;top:40px;background:rgba(59,130,246,.10);filter:blur(2px)}

.intro{padding:75px 0;background:#fff}
.intro-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:start}
.intro h2,.section-heading h2,.cta h2{font-size:clamp(30px,3.2vw,43px);line-height:1.15;letter-spacing:-.03em;margin:10px 0}
.intro p{margin:0;color:var(--muted);font-size:16px}

.products-section{background:var(--soft);padding:75px 0 90px}
.section-heading{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:26px}
.section-heading p{color:var(--muted);font-weight:600}
.category-nav{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:32px}
.category-nav a{background:#fff;border:1px solid var(--line);padding:9px 13px;border-radius:999px;color:#52657a;font-size:12px;font-weight:700}
.category-nav a:hover{border-color:#a8c8fa;color:var(--accent)}

.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.product-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s ease;box-shadow:0 6px 20px rgba(15,35,60,.035)}
.product-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#cbdcf4}
.product-image{height:225px;background:#f3f6fa;position:relative;display:flex;align-items:center;justify-content:center;padding:15px}
.product-image img{height:100%;width:100%;object-fit:contain;border-radius:12px}
.product-badge{position:absolute;left:14px;top:14px;background:rgba(12,27,45,.88);color:#fff;padding:5px 9px;border-radius:999px;font-size:10px;font-weight:700}
.product-body{padding:22px}
.eyebrow{font-size:10px!important;text-transform:uppercase;letter-spacing:.12em;font-weight:800;color:var(--accent)!important;margin:0 0 7px!important}
.product-body h3{font-size:18px;line-height:1.3;margin:0 0 10px}
.product-body>p:not(.eyebrow){color:var(--muted);font-size:13px;margin:0 0 16px}
details{border-top:1px solid var(--line);padding-top:12px;font-size:12px;color:#536579}
summary{cursor:pointer;font-weight:700;color:#30465d}
.details-content{padding-top:9px;line-height:1.8}
.quote-link{display:inline-flex;gap:8px;margin-top:17px;color:var(--accent);font-size:13px;font-weight:800}
.quote-link span{transition:.2s}
.quote-link:hover span{transform:translateX(4px)}

.cta{padding:75px 0}
.cta-inner{background:#0d2035;border-radius:26px;padding:42px 50px;display:flex;align-items:center;justify-content:space-between;gap:30px;color:white}
.cta h2{margin:8px 0;color:white}
.cta p{color:#b9c7d7;margin:0}
.cta .section-label{color:#72a9ff}

footer{background:#081522;color:#9fb0c3;padding:55px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:50px;padding-bottom:45px}
.footer-brand{color:white;margin-bottom:15px}
footer h4{color:#fff;margin:0 0 12px}
footer p{font-size:13px}
footer .footer-grid a:not(.brand){display:block;font-size:13px;margin:7px 0;color:#9fb0c3}
footer .footer-grid a:hover{color:white}
.copyright{border-top:1px solid rgba(255,255,255,.08);text-align:center;padding:18px;font-size:11px}

@media (max-width:900px){
  nav{display:none}
  .hero-grid,.intro-grid{grid-template-columns:1fr}
  .hero-visual{min-height:350px;max-width:620px;width:100%;margin:auto}
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:620px){
  .container{width:min(100% - 28px,1180px)}
  .top-inner span:last-child{display:none}
  .header-btn{display:none}
  .hero{padding:60px 0 65px}
  .hero h1{font-size:42px}
  .hero-visual{min-height:290px}
  .hero-card-one{height:235px}
  .hero-card-two{height:175px}
  .section-heading{display:block}
  .product-grid{grid-template-columns:1fr}
  .product-image{height:245px}
  .cta-inner{padding:32px 25px;display:block}
  .cta .btn{margin-top:20px;width:100%}
  .footer-grid{grid-template-columns:1fr}
}


/* Product search and filter controls */
.product-tools {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(190px, 240px) auto;
  gap: 14px;
  align-items: end;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  margin: 0 0 28px;
}
.product-tools label {
  display: block;
  color: #52657a;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 7px;
}
.product-search input,
.product-filter select {
  width: 100%;
  height: 45px;
  border: 1px solid #dce5ef;
  border-radius: 10px;
  padding: 0 13px;
  color: var(--ink);
  background: #fff;
  font: inherit;
  font-size: 13px;
  outline: none;
}
.product-search input:focus,
.product-filter select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59,130,246,.12);
}
.filter-reset {
  height: 45px;
  border: 1px solid #dce5ef;
  background: #f8fafc;
  color: #334155;
  border-radius: 10px;
  padding: 0 16px;
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}
.filter-reset:hover {
  background: #eff6ff;
  border-color: #a8c8fa;
  color: var(--accent);
}
.filter-result {
  grid-column: 1 / -1;
  margin: -2px 0 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}
.product-card[hidden] {
  display: none;
}

/* Clickable product image */
.lightbox-trigger {
  display: block;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
}
.lightbox-trigger img {
  transition: transform .25s ease;
}
.lightbox-trigger:hover img {
  transform: scale(1.04);
}

/* Product image lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 50px 80px;
  background: rgba(4, 13, 25, .92);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .2s ease, visibility .2s ease;
}
.lightbox.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.lightbox-figure {
  max-width: min(1000px, 90vw);
  max-height: 90vh;
  margin: 0;
  text-align: center;
}
.lightbox-figure img {
  max-width: 100%;
  max-height: 78vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 20px 70px rgba(0,0,0,.35);
  background: #fff;
}
.lightbox-figure figcaption {
  color: #fff;
  font-size: 13px;
  margin-top: 14px;
}
.lightbox-close,
.lightbox-nav {
  position: absolute;
  border: 0;
  color: #fff;
  background: rgba(255,255,255,.12);
  cursor: pointer;
  transition: background .2s ease, transform .2s ease;
}
.lightbox-close:hover,
.lightbox-nav:hover {
  background: rgba(255,255,255,.24);
  transform: scale(1.05);
}
.lightbox-close {
  top: 20px;
  right: 25px;
  width: 45px;
  height: 45px;
  border-radius: 50%;
  font-size: 30px;
  line-height: 1;
}
.lightbox-nav {
  top: 50%;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  font-size: 22px;
  transform: translateY(-50%);
}
.lightbox-nav:hover {
  transform: translateY(-50%) scale(1.05);
}
.lightbox-prev { left: 22px; }
.lightbox-next { right: 22px; }
body.lightbox-open {
  overflow: hidden;
}

@media (max-width: 700px) {
  .product-tools {
    grid-template-columns: 1fr;
  }
  .filter-result {
    grid-column: auto;
  }
  .lightbox {
    padding: 55px 18px 30px;
  }
  .lightbox-nav {
    top: auto;
    bottom: 22px;
    transform: none;
  }
  .lightbox-nav:hover {
    transform: scale(1.05);
  }
  .lightbox-prev { left: 25%; }
  .lightbox-next { right: 25%; }
  .lightbox-figure img {
    max-height: 70vh;
  }
}


/* Functional category tabs */
.category-tab {
  transition: color .2s ease, background .2s ease, border-color .2s ease;
}
.category-tab.active {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}
.category-tab.active:hover {
  color: #fff;
}