/* ============================================================
   UHPcart · storefront styles
   Palette: navy #0B2545, cyan #22D3EE / #0891B2, cleanroom grey #F6F7F9
   ============================================================ */
:root{
  --navy:#0B2545; --navy-2:#13315C; --cyan:#22D3EE; --cyan-deep:#0891B2; --cyan-bg:#ECFEFF;
  --ink:#0f172a; --muted:#64748b; --line:#e2e8f0; --bg:#F6F7F9; --card:#ffffff;
  --ok:#059669; --ok-bg:#ECFDF5; --warn:#B45309; --warn-bg:#FFFBEB; --err:#B91C1C; --err-bg:#FEF2F2;
  --radius:12px; --shadow:0 1px 2px rgba(15,23,42,.05), 0 8px 24px -12px rgba(15,23,42,.15);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;font-size:15px;line-height:1.55;color:var(--ink);background:var(--bg)}
a{color:var(--cyan-deep);text-decoration:none}
a:hover{text-decoration:underline}
img,svg{max-width:100%;display:block}
h1,h2,h3,h4{line-height:1.2;letter-spacing:-.01em;margin:0 0 .5em}
h1{font-size:30px;font-weight:800}
h2{font-size:22px;font-weight:700}
h3{font-size:17px;font-weight:700}
p{margin:0 0 1em}
.container{max-width:1200px;margin:0 auto;padding:0 16px}
.muted{color:var(--muted)}
.small{font-size:13px}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em}

/* ---------- Buttons / forms ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border-radius:10px;border:1px solid transparent;font:inherit;font-weight:600;font-size:14px;cursor:pointer;text-decoration:none !important;transition:.15s;white-space:nowrap}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--navy-2)}
.btn-accent{background:var(--cyan-deep);color:#fff}
.btn-accent:hover{background:#0E7490}
.btn-outline{background:#fff;color:var(--navy);border-color:var(--navy)}
.btn-outline:hover{background:var(--bg)}
.btn-ghost{background:transparent;color:var(--muted);border-color:var(--line)}
.btn-ghost:hover{color:var(--ink);background:#fff}
.btn-sm{padding:7px 12px;font-size:13px;border-radius:8px}
.btn-lg{padding:14px 24px;font-size:16px}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed}
label{display:block;font-size:13px;font-weight:600;margin-bottom:5px;color:var(--ink)}
input[type=text],input[type=email],input[type=tel],input[type=number],input[type=password],input[type=search],input[type=file],select,textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:9px;font:inherit;font-size:14px;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--cyan);outline-offset:0;border-color:var(--cyan-deep)}
textarea{min-height:110px;resize:vertical}
.field{margin-bottom:14px}
.field .hint{font-size:12px;color:var(--muted);margin-top:4px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.form-grid .full{grid-column:1/-1}
.qty{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:9px;overflow:hidden;background:#fff}
.qty button{width:36px;height:38px;border:0;background:#fff;font-size:18px;cursor:pointer;color:var(--navy)}
.qty button:hover{background:var(--bg)}
.qty input{width:60px;text-align:center;border:0;border-left:1px solid var(--line);border-right:1px solid var(--line);border-radius:0;padding:8px 4px;font-weight:600}
.qty input:focus{outline:none}

/* ---------- Flash ---------- */
.flash{max-width:1200px;margin:14px auto 0;padding:11px 16px;border-radius:10px;font-size:14px;font-weight:500}
.flash-ok{background:var(--ok-bg);color:var(--ok);border:1px solid #A7F3D0}
.flash-err{background:var(--err-bg);color:var(--err);border:1px solid #FECACA}
.flash-info{background:var(--cyan-bg);color:var(--cyan-deep);border:1px solid #A5F3FC}

/* ---------- Header ---------- */
.announce{background:var(--navy);color:#cbd5e1;text-align:center;font-size:13px;padding:7px 16px}
.announce::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--cyan);margin-right:8px;vertical-align:middle}
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.header-row{display:flex;align-items:center;gap:18px;padding:12px 16px}
.brand svg{height:52px;width:auto}
.search{flex:1;display:flex;max-width:620px;margin:0 auto}
.search input{border-radius:10px 0 0 10px;border-right:0;font-size:14px}
.search button{border:1px solid var(--navy);background:var(--navy);color:#fff;border-radius:0 10px 10px 0;padding:0 16px;cursor:pointer}
.header-actions{display:flex;gap:4px;align-items:center}
.hdr-btn{display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 10px;border-radius:9px;color:var(--navy);font-size:11px;font-weight:600;position:relative;border:0;background:none;cursor:pointer;font-family:inherit;text-decoration:none !important}
.hdr-btn:hover{background:var(--bg)}
.hdr-btn .count{position:absolute;top:0;right:4px;background:var(--cyan-deep);color:#fff;font-size:10px;min-width:18px;height:18px;border-radius:9px;display:flex;align-items:center;justify-content:center;padding:0 5px}
.nav-toggle{display:none}
.cat-nav{background:var(--navy);color:#fff}
.cat-nav ul{list-style:none;margin:0;padding:0;display:flex;gap:2px;overflow-x:auto;scrollbar-width:none}
.cat-nav ul::-webkit-scrollbar{display:none}
.cat-nav a{display:flex;align-items:center;gap:7px;padding:10px 12px;color:#e2e8f0;font-size:13px;font-weight:500;white-space:nowrap;text-decoration:none !important;border-bottom:2px solid transparent}
.cat-nav a svg{color:var(--cyan)}
.cat-nav a:hover{color:#fff;border-bottom-color:var(--cyan);background:rgba(255,255,255,.04)}
.cat-nav .nav-extra{margin-left:auto}
.cat-nav .nav-extra ~ .nav-extra{margin-left:0}
.cat-nav .nav-extra a{color:#94a3b8}

/* ---------- Layout blocks ---------- */
.site-main{min-height:60vh;padding-bottom:48px}
.section{padding:36px 0}
.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:18px}
.section-head h2{margin:0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.breadcrumb{font-size:13px;color:var(--muted);margin:16px 0 10px;display:flex;flex-wrap:wrap;gap:6px}
.breadcrumb a{color:var(--muted)}
.breadcrumb span::before{content:"/";margin-right:6px;color:#cbd5e1}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(135deg,var(--navy) 0%,#0F3B63 60%,#0E5C6B 100%);color:#fff;padding:56px 0 48px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(34,211,238,.25),transparent 65%);pointer-events:none}
.hero .container{display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:center;position:relative}
.hero h1{font-size:40px;font-weight:800;line-height:1.1;margin-bottom:14px;color:#fff}
.hero h1 em{font-style:normal;color:var(--cyan)}
.hero p{font-size:17px;color:#cbd5e1;max-width:560px}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.hero .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.hero .btn-outline:hover{background:rgba(255,255,255,.08)}
.hero-panel{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:20px;backdrop-filter:blur(6px)}
.hero-panel h3{color:#fff;font-size:14px;text-transform:uppercase;letter-spacing:.08em;margin-bottom:12px}
.hero-panel ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.hero-panel li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#e2e8f0}
.hero-panel li svg{flex:none;color:var(--cyan);margin-top:2px}
.trust-strip{background:#fff;border-bottom:1px solid var(--line)}
.trust-strip .container{display:flex;gap:28px;padding:14px 16px;overflow-x:auto;font-size:13px;color:var(--muted);white-space:nowrap;scrollbar-width:none}
.trust-strip .container::-webkit-scrollbar{display:none}
.trust-strip b{color:var(--navy);font-weight:600}

/* ---------- Category cards ---------- */
.cat-card{display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;color:var(--ink);text-decoration:none !important;transition:.15s;min-height:150px}
.cat-card:hover{border-color:var(--cyan-deep);box-shadow:var(--shadow);transform:translateY(-2px)}
.cat-card .ic{width:44px;height:44px;border-radius:10px;background:var(--cyan-bg);color:var(--cyan-deep);display:flex;align-items:center;justify-content:center}
.cat-card h3{margin:0;font-size:15px}
.cat-card p{margin:0;font-size:13px;color:var(--muted)}
.cat-card .n{font-size:12px;color:var(--cyan-deep);font-weight:600;margin-top:auto}

/* ---------- Product cards ---------- */
.products{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.p-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);display:flex;flex-direction:column;overflow:hidden;transition:.15s}
.p-card:hover{border-color:var(--cyan-deep);box-shadow:var(--shadow)}
.p-card .img{aspect-ratio:4/3;background:#fff;display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--line);padding:16px}
.p-card .img img{max-height:100%;object-fit:contain}
.p-card .body{padding:14px;display:flex;flex-direction:column;gap:6px;flex:1}
.p-card .sku{font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.04em;font-family:ui-monospace,Menlo,Consolas,monospace}
.p-card .name{font-size:14px;font-weight:600;color:var(--ink);line-height:1.35}
.p-card .name a{color:inherit}
.p-card .meta{font-size:12px;color:var(--muted)}
.p-card .price{font-size:17px;font-weight:800;color:var(--navy);margin-top:auto}
.p-card .price small{font-size:11px;font-weight:500;color:var(--muted)}
.p-card .actions{display:flex;gap:8px;margin-top:8px}
.p-card .actions .btn{flex:1}
.badge{display:inline-block;font-size:11px;font-weight:600;padding:3px 8px;border-radius:999px}
.badge-ok{background:var(--ok-bg);color:var(--ok)}
.badge-warn{background:var(--warn-bg);color:var(--warn)}
.badge-info{background:var(--cyan-bg);color:var(--cyan-deep)}
.badge-muted{background:var(--bg);color:var(--muted)}

/* ---------- Category page ---------- */
.cat-layout{display:grid;grid-template-columns:240px 1fr;gap:24px;align-items:start}
.filters{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px;position:sticky;top:150px}
.filters h4{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:14px 0 8px}
.filters h4:first-child{margin-top:0}
.filters label{font-weight:400;font-size:13px;display:flex;align-items:center;gap:8px;margin-bottom:6px;cursor:pointer}
.filters input[type=checkbox]{width:auto}
.sub-cats{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 16px}
.sub-cats a{padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:13px;color:var(--navy);font-weight:500}
.sub-cats a.active,.sub-cats a:hover{border-color:var(--cyan-deep);background:var(--cyan-bg);text-decoration:none}
.toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px;font-size:13px;color:var(--muted)}
.toolbar select{width:auto;padding:6px 10px;font-size:13px}

/* ---------- Product page ---------- */
.prod-layout{display:grid;grid-template-columns:1fr 1.1fr;gap:32px;align-items:start}
.prod-gallery{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;align-items:center;justify-content:center;min-height:380px}
.prod-gallery img{max-height:420px;object-fit:contain}
.prod-info .sku{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;color:var(--muted);font-weight:600}
.prod-info h1{font-size:26px;margin:6px 0 10px}
.prod-info .price{font-size:30px;font-weight:800;color:var(--navy);margin:14px 0 2px}
.prod-info .price small{font-size:13px;font-weight:500;color:var(--muted)}
.buy-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-top:16px}
.buy-box .row{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:12px}
.buy-box .actions{display:flex;gap:10px;flex-wrap:wrap}
.spec-table{width:100%;border-collapse:collapse;font-size:14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.spec-table th,.spec-table td{text-align:left;padding:9px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.spec-table th{width:38%;font-weight:600;color:var(--muted);background:#fafbfc}
.spec-table tr:last-child td,.spec-table tr:last-child th{border-bottom:0}
.xref{display:flex;flex-wrap:wrap;gap:6px}
.xref span{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px;background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:3px 8px}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin:28px 0 16px}
.tabs button{border:0;background:none;padding:10px 14px;font:inherit;font-weight:600;font-size:14px;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px}
.tabs button.active{color:var(--navy);border-bottom-color:var(--cyan-deep)}
.tab-panel{display:none}.tab-panel.active{display:block}

/* ---------- Cart / quote / checkout ---------- */
.cart-layout{display:grid;grid-template-columns:1fr 340px;gap:24px;align-items:start}
.cart-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.cart-table th,.cart-table td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle;font-size:14px}
.cart-table th{background:#fafbfc;font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.cart-table tr:last-child td{border-bottom:0}
.cart-table .num{text-align:right;white-space:nowrap}
.cart-table .item-name{font-weight:600}
.cart-table .item-sku{font-size:12px;color:var(--muted);font-family:ui-monospace,Menlo,Consolas,monospace}
.cart-table .thumb{width:56px;height:56px;object-fit:contain;border:1px solid var(--line);border-radius:8px;background:#fff}
.summary{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;position:sticky;top:150px}
.summary .line{display:flex;justify-content:space-between;font-size:14px;padding:6px 0}
.summary .line.total{border-top:1px solid var(--line);margin-top:8px;padding-top:12px;font-size:18px;font-weight:800;color:var(--navy)}
.summary .btn{margin-top:14px}
.pay-options{display:grid;gap:10px}
.pay-option{display:flex;gap:12px;align-items:flex-start;border:1px solid var(--line);border-radius:10px;padding:12px 14px;cursor:pointer;background:#fff}
.pay-option:has(input:checked){border-color:var(--cyan-deep);background:var(--cyan-bg)}
.pay-option input{width:auto;margin-top:3px}
.pay-option b{display:block;font-size:14px}
.pay-option span{font-size:13px;color:var(--muted)}
.empty{text-align:center;padding:60px 20px;color:var(--muted)}
.empty svg{margin:0 auto 14px;color:#cbd5e1}
.steps{display:flex;gap:8px;font-size:13px;color:var(--muted);margin:16px 0 20px}
.steps span{padding:6px 12px;border-radius:999px;background:#fff;border:1px solid var(--line)}
.steps span.active{background:var(--navy);color:#fff;border-color:var(--navy)}
.order-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;max-width:760px;margin:24px auto}
.order-box .ok-icon{width:64px;height:64px;border-radius:50%;background:var(--ok-bg);color:var(--ok);display:flex;align-items:center;justify-content:center;margin:0 auto 14px}
pre.bank{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:14px;font-size:13px;white-space:pre-wrap;font-family:ui-monospace,Menlo,Consolas,monospace}

/* ---------- Auth / account ---------- */
.auth-box{max-width:460px;margin:32px auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.account-layout{display:grid;grid-template-columns:220px 1fr;gap:24px;align-items:start}
.account-nav{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:8px}
.account-nav a{display:block;padding:10px 12px;border-radius:8px;color:var(--ink);font-weight:500;font-size:14px}
.account-nav a.active,.account-nav a:hover{background:var(--bg);text-decoration:none}
.status{display:inline-block;font-size:11px;font-weight:700;padding:3px 9px;border-radius:999px;text-transform:uppercase;letter-spacing:.04em}
.status-new,.status-pending{background:var(--warn-bg);color:var(--warn)}
.status-paid,.status-confirmed,.status-delivered,.status-won,.status-quoted{background:var(--ok-bg);color:var(--ok)}
.status-processing,.status-shipped{background:var(--cyan-bg);color:var(--cyan-deep)}
.status-cancelled,.status-failed,.status-lost{background:var(--err-bg);color:var(--err)}

/* ---------- Content pages ---------- */
.prose{max-width:800px}
.prose h2{margin-top:32px}
.prose ul{padding-left:20px}
.feature{display:flex;gap:14px;align-items:flex-start}
.feature .ic{flex:none;width:40px;height:40px;border-radius:10px;background:var(--cyan-bg);color:var(--cyan-deep);display:flex;align-items:center;justify-content:center}
.feature h3{margin:4px 0 4px;font-size:15px}
.feature p{margin:0;font-size:14px;color:var(--muted)}
.cta-band{background:var(--navy);color:#fff;border-radius:16px;padding:32px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.cta-band h2{color:#fff;margin:0 0 4px}
.cta-band p{margin:0;color:#cbd5e1}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy);color:#cbd5e1;padding:40px 0 20px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand svg{height:56px;width:auto;margin-bottom:12px}
.footer-brand p{font-size:13px;color:#94a3b8}
.site-footer h4{color:#fff;font-size:13px;text-transform:uppercase;letter-spacing:.08em;margin-bottom:12px}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:7px}
.site-footer a{color:#cbd5e1}
.site-footer a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:32px;padding-top:16px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12px;color:#94a3b8}
.wa-float{position:fixed;right:18px;bottom:18px;width:52px;height:52px;border-radius:50%;background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(0,0,0,.25);z-index:40}
.wa-float:hover{transform:scale(1.05)}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .products{grid-template-columns:repeat(3,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .hero .container{grid-template-columns:1fr}
  .hero-panel{display:none}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .header-row{flex-wrap:wrap;gap:10px}
  .brand{order:1}.header-actions{order:2;margin-left:auto}.search{order:3;flex-basis:100%;max-width:none}
  .brand svg{height:42px}
  .hdr-btn span{display:none}
  .nav-toggle{display:flex}
  .cat-nav{display:none}
  .cat-nav.open{display:block}
  .cat-nav ul{flex-direction:column;gap:0}
  .cat-nav .nav-extra{margin-left:0}
  .cat-layout,.prod-layout,.cart-layout,.account-layout{grid-template-columns:1fr}
  .filters,.summary{position:static}
  .products{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .hero{padding:36px 0}
  .hero h1{font-size:30px}
  .cart-table thead{display:none}
  .cart-table tr{display:grid;grid-template-columns:64px 1fr;gap:4px 12px;padding:12px;border-bottom:1px solid var(--line)}
  .cart-table td{padding:0;border:0}
  .cart-table td:first-child{grid-row:1/4}
  .cart-table .num{text-align:left}
}
@media (max-width:480px){
  .products{grid-template-columns:1fr 1fr;gap:10px}
  .p-card .actions{flex-direction:column}
  .grid-4,.grid-2{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}