:root{
  --bg:#ffffff;--bg-soft:#f5f6f8;--ink:#14161a;--ink-soft:#4b5260;--muted:#7a8190;
  --line:#e4e7ec;--brand:#0f6fff;--brand-ink:#ffffff;--brand-soft:#e8f0ff;
  --accent:#ff7a1a;--ok:#12a150;--danger:#d93025;
  --radius:14px;--radius-sm:10px;--shadow:0 1px 2px rgba(16,24,40,.06),0 4px 16px rgba(16,24,40,.06);
  --wrap:1200px;
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;font-size:16px}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.25;margin:0 0 .6em}
h1{font-size:clamp(1.5rem,3.2vw,2.1rem)}
h2{font-size:clamp(1.2rem,2.4vw,1.5rem)}
h3{font-size:1.05rem}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 16px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:8px 12px;z-index:99}
.skip:focus{left:8px}

/* Top bar + header */
.topbar{background:var(--ink);color:#fff;font-size:.85rem;text-align:center;padding:6px 16px}
.topbar strong{color:#ffd29e}
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.header .wrap{display:flex;align-items:center;gap:14px;height:64px}
.logo{font-weight:800;font-size:1.25rem;color:var(--ink);letter-spacing:-.02em;white-space:nowrap}
.logo span{color:var(--brand)}
.logo:hover{text-decoration:none}
.search{flex:1;display:flex;max-width:520px;margin-left:auto}
.search input{flex:1;min-width:0;border:1px solid var(--line);border-radius:999px 0 0 999px;padding:9px 14px;font:inherit;background:var(--bg-soft)}
.search button{border:0;border-radius:0 999px 999px 0;background:var(--brand);color:#fff;padding:0 16px;font:inherit;cursor:pointer}
.cart-link{position:relative;display:flex;align-items:center;gap:6px;color:var(--ink);font-weight:600;white-space:nowrap}
.cart-link svg{width:24px;height:24px}
.cart-count{background:var(--accent);color:#fff;border-radius:999px;font-size:.72rem;min-width:20px;height:20px;display:inline-flex;align-items:center;justify-content:center;padding:0 6px}
.nav{border-bottom:1px solid var(--line);background:#fff}
.nav ul{list-style:none;margin:0;padding:0 16px;display:flex;gap:4px;overflow-x:auto;max-width:var(--wrap);margin:0 auto;scrollbar-width:none}
.nav ul::-webkit-scrollbar{display:none}
.nav a{display:block;padding:10px 12px;color:var(--ink-soft);white-space:nowrap;font-size:.92rem}
.nav a:hover,.nav a[aria-current]{color:var(--brand);text-decoration:none}

/* Breadcrumbs */
.crumbs{font-size:.85rem;color:var(--muted);margin:16px 0}
.crumbs ol{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px}
.crumbs li+li::before{content:"›";margin-right:6px;color:var(--line)}
.crumbs a{color:var(--muted)}

/* Hero */
.hero{background:linear-gradient(135deg,#0b1d3a 0%,#0f6fff 100%);color:#fff;border-radius:var(--radius);padding:clamp(28px,5vw,56px);margin:20px 0}
.hero h1{font-size:clamp(1.7rem,4.2vw,2.8rem);max-width:760px}
.hero p{max-width:640px;opacity:.92;font-size:1.05rem}
.hero .btn{background:#fff;color:var(--brand)}
.perks{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:20px 0}
.perk{background:var(--bg-soft);border-radius:var(--radius-sm);padding:14px;display:flex;gap:10px;align-items:flex-start;font-size:.9rem}
.perk b{display:block;font-size:.95rem}
.perk .ic{font-size:1.4rem;line-height:1}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--brand);color:var(--brand-ink);border:0;border-radius:999px;padding:12px 22px;font:inherit;font-weight:700;cursor:pointer;transition:transform .08s ease,opacity .2s}
.btn:hover{text-decoration:none;opacity:.92}
.btn:active{transform:scale(.98)}
.btn.alt{background:var(--ink)}
.btn.wa{background:#25d366;color:#08311a}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.btn.block{width:100%}

/* Sections */
.section{margin:36px 0}
.section-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:14px}
.section-head h2{margin:0}

/* Category tiles */
.cats{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.cat{display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;background:var(--bg-soft);border-radius:var(--radius-sm);padding:12px;color:var(--ink);font-weight:600;font-size:.9rem}
.cat img{width:84px;height:84px;object-fit:contain;border-radius:8px;background:#fff}
.cat:hover{text-decoration:none;outline:2px solid var(--brand-soft)}
.cat small{color:var(--muted);font-weight:400}

/* Product grid */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;transition:box-shadow .2s}
.card:hover{box-shadow:var(--shadow)}
.card a.img{display:block;aspect-ratio:1/1;background:var(--bg-soft)}
.card a.img img{width:100%;height:100%;object-fit:contain}
.card .body{padding:12px;display:flex;flex-direction:column;gap:6px;flex:1}
.card h3{font-size:.95rem;font-weight:600;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card h3 a{color:var(--ink)}
.card .row{display:flex;justify-content:space-between;align-items:center;margin-top:auto;gap:8px}
.price{font-weight:800;font-size:1.1rem;color:var(--ink)}
.price s{color:var(--muted);font-weight:400;font-size:.85em;margin-left:6px}
.add-mini{border:0;background:var(--brand-soft);color:var(--brand);border-radius:999px;padding:7px 12px;font:inherit;font-weight:700;font-size:.85rem;cursor:pointer}
.add-mini:hover{background:var(--brand);color:#fff}
.badge{display:inline-block;font-size:.72rem;font-weight:700;border-radius:999px;padding:2px 8px;background:#fdecea;color:var(--danger)}
.badge.ok{background:#e7f6ee;color:var(--ok)}

/* Product page */
.product{display:grid;grid-template-columns:1.05fr 1fr;gap:36px;align-items:start}
.gallery .main{aspect-ratio:1/1;background:var(--bg-soft);border-radius:var(--radius);overflow:hidden}
.gallery .main img{width:100%;height:100%;object-fit:contain}
.thumbs{display:flex;gap:8px;margin-top:10px;overflow-x:auto;padding-bottom:4px}
.thumbs button{flex:0 0 68px;height:68px;border:2px solid transparent;border-radius:10px;padding:0;background:var(--bg-soft);cursor:pointer;overflow:hidden}
.thumbs button[aria-current="true"]{border-color:var(--brand)}
.thumbs img{width:100%;height:100%;object-fit:contain}
.buy .price{font-size:1.9rem}
.summary{font-size:1.05rem;color:var(--ink-soft)}
.facts{list-style:none;padding:0;margin:16px 0;display:grid;gap:8px}
.facts li{display:flex;gap:10px;align-items:center;background:var(--bg-soft);border-radius:10px;padding:10px 12px;font-size:.93rem}
.qty{display:flex;align-items:center;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.qty button{border:0;background:transparent;width:40px;height:44px;font-size:1.2rem;cursor:pointer}
.qty input{width:44px;text-align:center;border:0;font:inherit;-moz-appearance:textfield}
.qty input::-webkit-outer-spin-button,.qty input::-webkit-inner-spin-button{-webkit-appearance:none}
.buy-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:16px 0}
.buy-row .btn{flex:1;min-width:160px}
.variants{margin:12px 0}
.variants label{display:block;font-weight:600;margin-bottom:6px}
.variants select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;font:inherit;background:#fff}
.content{max-width:820px}
.content ul{padding-left:1.2em}
.content li{margin:.25em 0}
.specs{width:100%;border-collapse:collapse;font-size:.95rem}
.specs th,.specs td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.specs th{width:40%;color:var(--ink-soft);font-weight:600;background:var(--bg-soft)}
.faq details{border:1px solid var(--line);border-radius:var(--radius-sm);padding:12px 16px;margin-bottom:10px;background:#fff}
.faq summary{font-weight:700;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--brand);font-weight:800}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:.6em 0 0;color:var(--ink-soft)}
.tldr{background:var(--brand-soft);border-left:4px solid var(--brand);border-radius:10px;padding:14px 16px;margin:0 0 20px}
.tldr p{margin:0}

/* Cart & checkout */
.cart-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:28px;align-items:start}
.cart-items{list-style:none;padding:0;margin:0}
.cart-item{display:grid;grid-template-columns:72px 1fr auto;gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line)}
.cart-item img{width:72px;height:72px;object-fit:contain;background:var(--bg-soft);border-radius:10px}
.cart-item .t{font-weight:600;font-size:.95rem}
.cart-item .v{font-size:.82rem;color:var(--muted)}
.cart-item .rm{border:0;background:none;color:var(--danger);cursor:pointer;font:inherit;font-size:.85rem;padding:0}
.box{border:1px solid var(--line);border-radius:var(--radius);padding:18px;background:#fff}
.totals div{display:flex;justify-content:space-between;padding:6px 0}
.totals .grand{border-top:1px solid var(--line);margin-top:6px;padding-top:12px;font-weight:800;font-size:1.15rem}
form .f{margin-bottom:12px}
form label{display:block;font-weight:600;font-size:.9rem;margin-bottom:4px}
form input,form select,form textarea{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;font:inherit;background:#fff}
form input:focus,form select:focus,form textarea:focus{outline:2px solid var(--brand-soft);border-color:var(--brand)}
.cod-note{background:#fff7ed;border:1px solid #fed7aa;border-radius:10px;padding:10px 12px;font-size:.9rem;margin:12px 0}
.empty{text-align:center;padding:40px 0;color:var(--muted)}
.success{text-align:center;padding:30px 0}

/* Toast */
.toast{position:fixed;left:50%;bottom:20px;transform:translateX(-50%) translateY(120%);background:var(--ink);color:#fff;padding:12px 18px;border-radius:999px;box-shadow:var(--shadow);transition:transform .25s ease;z-index:100;font-weight:600;max-width:calc(100% - 32px)}
.toast.show{transform:translateX(-50%) translateY(0)}
.toast a{color:#9cc3ff;margin-left:8px}

/* Pagination / misc */
.toolbar{display:flex;justify-content:space-between;gap:10px;align-items:center;margin:8px 0 14px;flex-wrap:wrap}
.toolbar select{padding:8px 10px;border:1px solid var(--line);border-radius:10px;font:inherit}
.prose{max-width:820px}
.prose h2{margin-top:1.4em}
.muted{color:var(--muted)}

/* Footer */
.footer{background:var(--ink);color:#c9ced8;margin-top:60px;padding:40px 0 24px;font-size:.92rem}
.footer a{color:#fff}
.footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:24px}
.footer h2{font-size:1rem;color:#fff}
.footer ul{list-style:none;padding:0;margin:0}
.footer li{margin:6px 0}
.footer .legal{border-top:1px solid #2a2f38;margin-top:24px;padding-top:16px;font-size:.82rem}
.wa-float{position:fixed;right:16px;bottom:16px;width:54px;height:54px;border-radius:50%;background:#25d366;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);z-index:60}
.wa-float svg{width:30px;height:30px;fill:#fff}

@media (max-width:900px){
  .product,.cart-grid{grid-template-columns:1fr;gap:20px}
  .perks{grid-template-columns:repeat(2,1fr)}
  .footer .cols{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .header .wrap{flex-wrap:wrap;height:auto;padding-top:10px;padding-bottom:10px}
  .search{order:3;max-width:none;flex-basis:100%}
  .cart-link{margin-left:auto}
  .grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .card .row{flex-direction:column;align-items:stretch}
  .add-mini{width:100%}
  .footer .cols{grid-template-columns:1fr}
}