/* ============ CYXJ Tech — Editorial Scientific ============ */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root{
  --paper:#f4f1ea;
  --paper-2:#ebe6da;
  --ink:#171a1f;
  --ink-soft:#3a3f47;
  --ink-mute:#6b7280;
  --teal:#0f4c5c;
  --teal-2:#1a6b7d;
  --rust:#b8431e;
  --line:rgba(23,26,31,.14);
  --line-soft:rgba(23,26,31,.07);
  --serif:'Fraunces', 'Times New Roman', serif;
  --sans:'Inter','Helvetica Neue',sans-serif;
  --mono:'JetBrains Mono', ui-monospace, monospace;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  background:var(--paper);
  color:var(--ink);
  font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(rgba(23,26,31,.04) 1px, transparent 1px),
    radial-gradient(rgba(23,26,31,.025) 1px, transparent 1px);
  background-size:32px 32px, 8px 8px;
  background-position:0 0, 4px 4px;
}

a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

.container{max-width:1280px;margin:0 auto;padding:0 32px}

/* ---------- Top utility bar ---------- */
.utility{
  background:var(--ink);color:var(--paper);
  font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;
  padding:8px 0;
}
.utility .container{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.utility a:hover{color:#fff}
.utility-left{display:flex;gap:24px;flex-wrap:wrap}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(6px);
}
.site-header .container{
  display:grid;grid-template-columns:auto 1fr auto;
  align-items:center;gap:48px;padding-top:20px;padding-bottom:20px;
}
.brand{display:flex;align-items:baseline;gap:12px}
.brand-mark{
  font-family:var(--serif);font-weight:600;font-size:34px;letter-spacing:-.02em;
  font-variation-settings:"opsz" 144;
  color:var(--ink);
}
.brand-mark em{font-style:italic;color:var(--teal);font-weight:500}
.brand-tag{
  font-family:var(--mono);font-size:10px;letter-spacing:.18em;
  color:var(--ink-mute);text-transform:uppercase;border-left:1px solid var(--line);padding-left:12px;
}

.nav{display:flex;gap:40px;justify-content:center}
.nav a{
  font-family:var(--sans);font-weight:500;font-size:14.5px;color:var(--ink-soft);
  position:relative;padding:4px 0;transition:color .2s;
}
.nav a:hover,.nav a.active{color:var(--teal)}
.nav a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-22px;height:2px;background:var(--teal);
}

.header-cta{display:flex;gap:12px;align-items:center}
.icon-btn{
  width:42px;height:42px;border:1px solid var(--line);border-radius:50%;
  display:grid;place-items:center;cursor:pointer;transition:all .2s;
  background:transparent;color:var(--ink);
}
.icon-btn:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.icon-btn .badge{
  position:absolute;top:-4px;right:-4px;background:var(--rust);color:#fff;
  font-family:var(--mono);font-size:10px;width:18px;height:18px;border-radius:50%;display:grid;place-items:center;
}
.icon-wrap{position:relative}

.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 28px;border:none;cursor:pointer;
  font-family:var(--sans);font-weight:500;font-size:14px;letter-spacing:.02em;
  transition:all .2s;border-radius:2px;
}
.btn-primary{background:var(--ink);color:var(--paper)}
.btn-primary:hover{background:var(--teal)}
.btn-outline{background:transparent;color:var(--ink);border:1px solid var(--ink)}
.btn-outline:hover{background:var(--ink);color:var(--paper)}
.btn-teal{background:var(--teal);color:#fff}
.btn-teal:hover{background:var(--ink)}
.btn .arrow{transition:transform .2s}
.btn:hover .arrow{transform:translateX(4px)}

/* ---------- Hero ---------- */
.hero{
  position:relative;padding:80px 0 100px;overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero .container{
  display:grid;grid-template-columns:1.4fr 1fr;gap:80px;align-items:end;
}
.hero-eyebrow{
  font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--teal);margin-bottom:32px;display:flex;align-items:center;gap:14px;
}
.hero-eyebrow::before{content:"";width:32px;height:1px;background:var(--teal)}

.hero h1{
  font-family:var(--serif);font-weight:400;
  font-variation-settings:"opsz" 144,"SOFT" 50;
  font-size:clamp(48px, 7vw, 96px);
  line-height:.98;letter-spacing:-.025em;color:var(--ink);
  margin-bottom:32px;
}
.hero h1 em{
  font-style:italic;color:var(--teal);font-weight:400;
  font-variation-settings:"opsz" 144;
}
.hero-lede{
  font-size:18px;line-height:1.55;color:var(--ink-soft);max-width:520px;margin-bottom:40px;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}

.hero-aside{
  border-left:1px solid var(--line);padding-left:40px;
  font-family:var(--mono);font-size:12px;
}
.hero-aside dl{display:grid;gap:24px}
.hero-aside dt{
  color:var(--ink-mute);text-transform:uppercase;letter-spacing:.15em;font-size:10px;margin-bottom:6px;
}
.hero-aside dd{
  font-family:var(--serif);font-size:30px;font-weight:500;
  font-variation-settings:"opsz" 144;color:var(--ink);
}
.hero-aside dd em{font-style:italic;color:var(--teal)}

.hero-grid-bg{
  position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(var(--line-soft) 1px,transparent 1px),
                   linear-gradient(90deg,var(--line-soft) 1px,transparent 1px);
  background-size:80px 80px;
  mask-image:radial-gradient(circle at 80% 40%, black 0%, transparent 70%);
  opacity:.6;
}

/* ---------- Marquee ---------- */
.marquee{
  border-bottom:1px solid var(--line);background:var(--paper-2);
  overflow:hidden;padding:18px 0;
}
.marquee-track{
  display:flex;gap:80px;animation:scroll 40s linear infinite;white-space:nowrap;
  font-family:var(--serif);font-style:italic;font-size:18px;color:var(--ink-soft);
}
.marquee-track span{display:flex;align-items:center;gap:80px}
.marquee-track .dot{width:6px;height:6px;background:var(--rust);border-radius:50%;display:inline-block}
@keyframes scroll{
  from{transform:translateX(0)}
  to{transform:translateX(-50%)}
}

/* ---------- Section ---------- */
section{padding:96px 0}
.section-head{
  display:grid;grid-template-columns:auto 1fr auto;gap:32px;align-items:end;
  margin-bottom:56px;border-bottom:1px solid var(--line);padding-bottom:24px;
}
.section-num{
  font-family:var(--mono);font-size:12px;color:var(--ink-mute);
  letter-spacing:.15em;text-transform:uppercase;
}
.section-title{
  font-family:var(--serif);font-weight:400;font-size:clamp(36px,4.5vw,56px);
  line-height:1;letter-spacing:-.02em;
  font-variation-settings:"opsz" 144;
}
.section-title em{font-style:italic;color:var(--teal);font-weight:400}
.section-link{
  font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink);border-bottom:1px solid var(--ink);padding-bottom:2px;
}

/* ---------- Categories ---------- */
.cat-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);
}
.cat-card{
  background:var(--paper);padding:36px 32px;
  display:flex;flex-direction:column;gap:16px;
  transition:background .25s;cursor:pointer;min-height:240px;
  position:relative;
}
.cat-card:hover{background:var(--paper-2)}
.cat-card .cat-num{
  font-family:var(--mono);font-size:11px;color:var(--ink-mute);letter-spacing:.15em;
}
.cat-card h3{
  font-family:var(--serif);font-weight:500;font-size:28px;line-height:1.05;letter-spacing:-.015em;
  font-variation-settings:"opsz" 72;
}
.cat-card p{font-size:14px;color:var(--ink-soft);line-height:1.5;flex-grow:1}
.cat-card .cat-meta{
  font-family:var(--mono);font-size:11px;color:var(--teal);letter-spacing:.1em;
  display:flex;justify-content:space-between;align-items:center;
  margin-top:auto;padding-top:16px;border-top:1px dashed var(--line);
}
.cat-card .cat-svg{
  height:80px;display:flex;align-items:center;justify-content:flex-start;color:var(--teal);opacity:.85;
}
.cat-card .cat-svg svg{
  width:64px;height:64px;
}

/* ---------- Product cards ---------- */
.products-bar{
  display:flex;justify-content:space-between;align-items:center;gap:24px;
  flex-wrap:wrap;margin-bottom:32px;
}
.filter-pills{display:flex;gap:8px;flex-wrap:wrap}
.pill{
  padding:8px 16px;border:1px solid var(--line);background:transparent;cursor:pointer;
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-soft);border-radius:100px;transition:all .2s;
}
.pill:hover{border-color:var(--ink);color:var(--ink)}
.pill.active{background:var(--ink);color:var(--paper);border-color:var(--ink)}

.product-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:32px 28px;
}
.product{
  background:var(--paper);border:1px solid var(--line);
  display:flex;flex-direction:column;transition:all .25s;
}
.product:hover{transform:translateY(-3px);box-shadow:0 18px 40px -20px rgba(23,26,31,.25);border-color:var(--ink)}
.product-media{
  aspect-ratio:1/1;background:var(--paper-2);
  display:grid;place-items:center;border-bottom:1px solid var(--line);position:relative;
  overflow:hidden;
}
.product-media svg{width:62%;height:62%;color:var(--teal)}
.product-tag{
  position:absolute;top:12px;left:12px;
  font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;
  background:var(--ink);color:var(--paper);padding:4px 8px;
}
.product-stock{
  position:absolute;top:12px;right:12px;
  font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--ink-mute);
}
.product-stock.in::before{
  content:"";display:inline-block;width:6px;height:6px;border-radius:50%;
  background:#1f8a4c;margin-right:6px;vertical-align:middle;
}
.product-stock.low::before{
  content:"";display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--rust);margin-right:6px;vertical-align:middle;
}
.product-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex-grow:1}
.product-cat{
  font-family:var(--mono);font-size:10px;letter-spacing:.15em;text-transform:uppercase;color:var(--ink-mute);
}
.product-name{
  font-family:var(--serif);font-weight:500;font-size:19px;line-height:1.2;letter-spacing:-.01em;
  font-variation-settings:"opsz" 72;
}
.product-short{font-size:13px;color:var(--ink-soft);line-height:1.5;flex-grow:1}
.product-foot{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding:16px 20px;border-top:1px solid var(--line);background:var(--paper-2);
}
.product-price{font-family:var(--serif);font-weight:600;font-size:22px;letter-spacing:-.01em}
.product-price .cur{font-size:13px;color:var(--ink-mute);font-weight:400;margin-right:2px}
.add-cart{
  background:var(--ink);color:var(--paper);border:none;
  padding:10px 14px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;
  text-transform:uppercase;cursor:pointer;transition:background .2s;
}
.add-cart:hover{background:var(--teal)}
.add-cart.added{background:#1f8a4c}

/* ---------- About strip ---------- */
.about{
  background:var(--ink);color:var(--paper);position:relative;overflow:hidden;
}
.about .container{display:grid;grid-template-columns:1.2fr 1fr;gap:80px;align-items:center}
.about h2{
  font-family:var(--serif);font-weight:400;font-variation-settings:"opsz" 144;
  font-size:clamp(40px,5vw,64px);line-height:1.02;letter-spacing:-.02em;margin-bottom:32px;
}
.about h2 em{font-style:italic;color:#5db3c3}
.about p{font-size:17px;line-height:1.6;color:#cdc8bd;margin-bottom:18px;max-width:540px}
.about-stats{
  display:grid;gap:1px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.12);
}
.about-stats > div{
  background:var(--ink);padding:32px;
}
.about-stats .num{
  font-family:var(--serif);font-weight:500;font-size:56px;letter-spacing:-.02em;color:#5db3c3;
  font-variation-settings:"opsz" 144;line-height:1;
}
.about-stats .lbl{
  font-family:var(--mono);font-size:11px;letter-spacing:.15em;text-transform:uppercase;
  color:#cdc8bd;margin-top:10px;
}

/* ---------- Services ---------- */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.service{
  border:1px solid var(--line);padding:36px 32px;background:var(--paper);
  display:flex;flex-direction:column;gap:18px;transition:background .2s;
}
.service:hover{background:var(--paper-2)}
.service-num{
  font-family:var(--mono);font-size:11px;letter-spacing:.15em;color:var(--rust);
  text-transform:uppercase;
}
.service h3{
  font-family:var(--serif);font-weight:500;font-size:26px;letter-spacing:-.01em;
  font-variation-settings:"opsz" 72;line-height:1.1;
}
.service p{font-size:14.5px;color:var(--ink-soft);line-height:1.6}

/* ---------- Quote / CTA ---------- */
.quote-cta{
  background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.quote-cta .container{
  display:grid;grid-template-columns:1.5fr 1fr;gap:64px;align-items:center;
}
.quote-cta h2{
  font-family:var(--serif);font-weight:400;font-size:clamp(36px,4.5vw,56px);line-height:1.02;
  letter-spacing:-.02em;font-variation-settings:"opsz" 144;
}
.quote-cta h2 em{font-style:italic;color:var(--teal)}
.quote-cta p{font-size:17px;color:var(--ink-soft);max-width:480px;margin-top:20px}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink);color:var(--paper);padding:80px 0 32px;
}
.foot-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:48px;
  padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.12);
}
.foot-brand .brand-mark{color:var(--paper);font-size:36px}
.foot-brand .brand-mark em{color:#5db3c3}
.foot-brand p{font-size:14px;color:#cdc8bd;margin-top:16px;max-width:340px;line-height:1.6}
.foot-col h4{
  font-family:var(--mono);font-size:11px;letter-spacing:.15em;text-transform:uppercase;
  color:#cdc8bd;margin-bottom:18px;font-weight:500;
}
.foot-col ul{list-style:none;display:grid;gap:10px}
.foot-col a{font-size:14px;color:var(--paper);transition:color .2s}
.foot-col a:hover{color:#5db3c3}
.foot-bot{
  display:flex;justify-content:space-between;align-items:center;padding-top:32px;
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:#a39c8e;text-transform:uppercase;
  flex-wrap:wrap;gap:16px;
}

/* ---------- Cart drawer ---------- */
.drawer-overlay{
  position:fixed;inset:0;background:rgba(23,26,31,.4);z-index:90;
  opacity:0;pointer-events:none;transition:opacity .25s;
}
.drawer-overlay.open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;height:100vh;width:min(440px,100%);
  background:var(--paper);z-index:100;transform:translateX(100%);transition:transform .3s ease;
  display:flex;flex-direction:column;border-left:1px solid var(--line);
}
.drawer.open{transform:translateX(0)}
.drawer-head{
  display:flex;justify-content:space-between;align-items:center;
  padding:24px 28px;border-bottom:1px solid var(--line);
}
.drawer-head h3{
  font-family:var(--serif);font-size:22px;font-weight:500;
  font-variation-settings:"opsz" 72;
}
.drawer-close{
  background:none;border:none;font-size:20px;cursor:pointer;width:32px;height:32px;
  display:grid;place-items:center;border-radius:50%;
}
.drawer-close:hover{background:var(--paper-2)}
.drawer-body{flex-grow:1;overflow-y:auto;padding:8px 28px}
.cart-item{
  display:grid;grid-template-columns:64px 1fr auto;gap:16px;align-items:center;
  padding:18px 0;border-bottom:1px solid var(--line-soft);
}
.cart-item-thumb{
  background:var(--paper-2);aspect-ratio:1;display:grid;place-items:center;color:var(--teal);
}
.cart-item-thumb svg{width:60%;height:60%}
.cart-item-name{font-family:var(--serif);font-size:15px;font-weight:500;line-height:1.2;margin-bottom:4px}
.cart-item-price{font-family:var(--mono);font-size:12px;color:var(--ink-mute)}
.cart-qty{
  display:flex;align-items:center;gap:6px;margin-top:6px;
  font-family:var(--mono);font-size:12px;
}
.qty-btn{
  width:22px;height:22px;border:1px solid var(--line);background:transparent;cursor:pointer;
  display:grid;place-items:center;
}
.qty-btn:hover{background:var(--ink);color:var(--paper)}
.cart-remove{
  background:none;border:none;color:var(--ink-mute);font-family:var(--mono);font-size:11px;
  cursor:pointer;letter-spacing:.1em;text-transform:uppercase;
}
.cart-remove:hover{color:var(--rust)}
.drawer-foot{
  border-top:1px solid var(--line);padding:24px 28px;background:var(--paper-2);
}
.cart-total{
  display:flex;justify-content:space-between;align-items:baseline;margin-bottom:18px;
}
.cart-total .lbl{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-mute)}
.cart-total .val{font-family:var(--serif);font-size:30px;font-weight:600;letter-spacing:-.01em}
.cart-empty{padding:60px 28px;text-align:center;color:var(--ink-mute)}
.cart-empty .ico{font-size:36px;margin-bottom:16px}

/* ---------- Page hero (subpages) ---------- */
.page-hero{
  padding:60px 0 48px;border-bottom:1px solid var(--line);
}
.breadcrumb{
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--ink-mute);margin-bottom:24px;
}
.breadcrumb a:hover{color:var(--ink)}
.breadcrumb .sep{margin:0 10px}
.page-hero h1{
  font-family:var(--serif);font-weight:400;font-size:clamp(40px,5vw,72px);
  line-height:1;letter-spacing:-.02em;font-variation-settings:"opsz" 144;
}
.page-hero h1 em{font-style:italic;color:var(--teal)}
.page-hero p{font-size:17px;color:var(--ink-soft);max-width:640px;margin-top:20px}

/* ---------- Product detail ---------- */
.pdp{padding:64px 0;display:grid;grid-template-columns:1.1fr 1fr;gap:64px}
.pdp-media{
  aspect-ratio:1;background:var(--paper-2);border:1px solid var(--line);
  display:grid;place-items:center;position:sticky;top:120px;height:fit-content;
}
.pdp-media svg{width:55%;height:55%;color:var(--teal)}
.pdp-info .product-cat{margin-bottom:8px}
.pdp-info h1{
  font-family:var(--serif);font-weight:500;font-size:42px;line-height:1.1;letter-spacing:-.02em;
  font-variation-settings:"opsz" 144;margin-bottom:12px;
}
.pdp-info .sku{font-family:var(--mono);font-size:12px;color:var(--ink-mute);letter-spacing:.1em}
.pdp-info .lede{font-size:17px;color:var(--ink-soft);margin:24px 0;line-height:1.55}
.pdp-price{
  font-family:var(--serif);font-size:42px;font-weight:600;letter-spacing:-.015em;margin:24px 0;
}
.pdp-price .cur{font-size:18px;color:var(--ink-mute);font-weight:400;margin-right:4px}
.spec-table{
  width:100%;border-top:1px solid var(--line);margin-top:32px;font-size:14.5px;
}
.spec-table tr{border-bottom:1px solid var(--line-soft)}
.spec-table th{
  text-align:left;padding:14px 0;font-family:var(--mono);font-weight:500;font-size:11px;
  letter-spacing:.12em;text-transform:uppercase;color:var(--ink-mute);width:40%;
}
.spec-table td{padding:14px 0;color:var(--ink)}

.pdp-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}

/* ---------- Forms ---------- */
.form-row{display:grid;gap:6px;margin-bottom:18px}
.form-row label{
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-mute);
}
.form-row input,.form-row textarea,.form-row select{
  width:100%;padding:12px 14px;border:1px solid var(--line);background:var(--paper);
  font-family:var(--sans);font-size:15px;color:var(--ink);
  border-radius:0;transition:border-color .2s;
}
.form-row input:focus,.form-row textarea:focus,.form-row select:focus{
  outline:none;border-color:var(--ink);
}
.form-row textarea{min-height:120px;resize:vertical}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}

.contact-wrap{display:grid;grid-template-columns:1fr 1.2fr;gap:80px;padding:64px 0}
.contact-side h3{
  font-family:var(--serif);font-size:24px;font-weight:500;margin-bottom:16px;
}
.contact-side dl{display:grid;gap:24px;margin-top:32px}
.contact-side dt{
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:6px;
}
.contact-side dd{font-size:15.5px;color:var(--ink)}

/* ---------- Responsive ---------- */
@media(max-width:1024px){
  .product-grid{grid-template-columns:repeat(3,1fr)}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .services-grid{grid-template-columns:1fr}
  .hero .container,.about .container,.quote-cta .container,.contact-wrap,.pdp{grid-template-columns:1fr;gap:40px}
  .hero-aside{border-left:none;border-top:1px solid var(--line);padding-left:0;padding-top:32px}
  .pdp-media{position:static}
}
@media(max-width:680px){
  .container{padding:0 20px}
  .nav{display:none}
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .cat-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .section-head{grid-template-columns:1fr;gap:12px}
  .form-grid{grid-template-columns:1fr}
}