:root{
  --primary:#1e90ff; --accent:#00d4ff;
  --bg:#0b1020; --surface:#fff; --text:#121726; --muted:#6b7280;
  --line:#e8ebf2; --radius:16px; --shadow:0 10px 30px rgba(16,30,60,.08);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:'Cairo',system-ui,Arial,sans-serif;color:var(--text);background:#f5f7fb;line-height:1.6}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1200px,92%);margin:0 auto}
.muted{color:var(--muted)}
.btn{display:inline-flex;align-items:center;gap:8px;justify-content:center;border:0;cursor:pointer;
  font-family:inherit;font-weight:700;font-size:15px;padding:12px 22px;border-radius:999px;transition:.2s;white-space:nowrap}
.btn.big{padding:15px 28px;font-size:17px}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;box-shadow:0 8px 20px rgba(30,144,255,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(30,144,255,.45)}
.btn-ghost{background:#fff;color:var(--primary);border:2px solid var(--primary)}
.btn-ghost:hover{background:var(--primary);color:#fff}

/* announcement */
.announce{background:linear-gradient(90deg,var(--primary),var(--accent));color:#fff;text-align:center;
  padding:8px 12px;font-weight:700;font-size:14px}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:20px;padding:12px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:22px}
.brand-mark{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;width:40px;height:40px;
  display:grid;place-items:center;border-radius:12px;font-size:16px;letter-spacing:1px}
.brand-logo{height:40px;width:auto;border-radius:8px}
.brand-text{background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;gap:6px;margin-inline-start:auto}
.nav-links a{padding:8px 14px;border-radius:10px;font-weight:600;color:#1f2740}
.nav-links a:hover,.nav-links a.active{background:rgba(30,144,255,.1);color:var(--primary)}
.nav-search{display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;background:#fff}
.nav-search input{border:0;outline:0;padding:9px 14px;font-family:inherit;width:160px}
.nav-search button{border:0;background:transparent;cursor:pointer;padding:0 12px;font-size:15px}
.nav-toggle{display:none;background:none;border:0;font-size:26px;cursor:pointer;margin-inline-start:auto}

/* hero */
.hero{background:radial-gradient(1200px 500px at 80% -10%,rgba(0,212,255,.25),transparent),
  linear-gradient(135deg,#0b1020,#111a36);color:#fff;overflow:hidden}
.hero-inner{display:grid;grid-template-columns:1.3fr 1fr;gap:30px;align-items:center;padding:70px 0}
.hero-kicker{display:inline-block;background:rgba(255,255,255,.12);padding:6px 14px;border-radius:999px;font-weight:700;font-size:14px;margin-bottom:14px}
.hero h1{font-size:40px;line-height:1.25;margin:0 0 14px;font-weight:900}
.hero p{font-size:18px;color:#c9d4ee;margin:0 0 26px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-badges{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.hbadge{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:18px;text-align:center}
.hbadge b{display:block;font-size:26px;background:linear-gradient(135deg,#fff,var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.hbadge span{color:#aab6d6;font-size:13px}

/* features */
.features{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:-40px auto 0;position:relative;z-index:5}
.feat{background:#fff;border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);text-align:center}
.feat-ic{font-size:30px}
.feat h4{margin:10px 0 6px}
.feat p{color:var(--muted);font-size:14px;margin:0}

/* sections */
.section{padding:46px 0}
.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.section-head h2{margin:0;font-size:26px}
.link-all{color:var(--primary);font-weight:700}
.narrow{max-width:820px}

/* product grid + cards */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.pcard{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.22s;display:flex;flex-direction:column;border:1px solid var(--line)}
.pcard:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(16,30,60,.14)}
.pcard-img{position:relative;aspect-ratio:1/1;background:linear-gradient(135deg,#0b1020,#1a2547);display:grid;place-items:center}
.pcard-img img{width:100%;height:100%;object-fit:cover}
.pcard-noimg{display:grid;place-items:center;width:100%;height:100%}
.pcard-noimg span{font-weight:900;font-size:44px;color:rgba(255,255,255,.25);letter-spacing:2px}
.pcard-noimg.big span{font-size:80px}
.pcard-badge{position:absolute;top:10px;inset-inline-start:10px;background:linear-gradient(135deg,#ff5e62,#ff9966);color:#fff;
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:800;z-index:2}
.pcard-out{position:absolute;top:10px;inset-inline-end:10px;background:#111;color:#fff;padding:4px 10px;border-radius:999px;font-size:12px}
.pcard-body{padding:16px;display:flex;flex-direction:column;gap:8px;flex:1}
.pcard-body h3{margin:0;font-size:17px}
.pcard-desc{color:var(--muted);font-size:13px;margin:0;flex:1}
.pcard-foot{display:flex;align-items:center;justify-content:space-between;margin-top:6px}
.price-now{font-weight:900;font-size:20px;color:var(--primary)}
.price-old{text-decoration:line-through;color:var(--muted);font-size:14px;margin-inline-start:8px}
.pcard-cta{color:var(--primary);font-weight:700;font-size:13px}

/* category tiles */
.cats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding-bottom:10px}
.cat-tile{background:linear-gradient(135deg,#0b1020,#1a2547);color:#fff;border-radius:var(--radius);padding:30px;transition:.2s}
.cat-tile:hover{transform:translateY(-4px)}
.cat-tile span{font-size:34px}
.cat-tile h3{margin:12px 0 6px}
.cat-tile p{color:#aab6d6;margin:0;font-size:14px}

/* page head */
.page-head{background:linear-gradient(135deg,#0b1020,#111a36);color:#fff;padding:40px 0}
.page-head h1{margin:0 0 12px;font-size:30px}
.chips{display:flex;gap:10px;flex-wrap:wrap}
.chip{background:rgba(255,255,255,.1);color:#fff;padding:8px 16px;border-radius:999px;font-weight:600;font-size:14px}
.chip.on,.chip:hover{background:linear-gradient(135deg,var(--primary),var(--accent))}

/* breadcrumb */
.breadcrumb{padding:16px 0;color:var(--muted);font-size:14px}
.breadcrumb a:hover{color:var(--primary)}

/* product detail */
.product{display:grid;grid-template-columns:1fr 1fr;gap:36px;padding:10px 0 20px;align-items:start}
.product-main-img{position:relative;border-radius:var(--radius);overflow:hidden;background:linear-gradient(135deg,#0b1020,#1a2547);aspect-ratio:1/1;box-shadow:var(--shadow)}
.product-main-img img{width:100%;height:100%;object-fit:cover}
.thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.thumb{width:70px;height:70px;object-fit:cover;border-radius:10px;cursor:pointer;border:2px solid transparent}
.thumb.on{border-color:var(--primary)}
.product-info h1{margin:0 0 10px;font-size:28px}
.lead{font-size:18px;color:#374151}
.price.big{display:flex;align-items:center;gap:12px;margin:14px 0}
.price.big .price-now{font-size:34px}
.save{background:rgba(16,185,129,.12);color:#059669;padding:4px 12px;border-radius:999px;font-size:14px;font-weight:700}
.stock{font-weight:700}
.stock.in{color:#059669}.stock.out{color:#dc2626}
.order-actions{display:flex;gap:12px;flex-wrap:wrap;margin:18px 0}
.specs{margin-top:24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.specs h3{margin:0 0 10px}
.specs table{width:100%;border-collapse:collapse}
.specs th{text-align:start;color:var(--muted);font-weight:600;padding:8px 0;width:40%;border-bottom:1px solid var(--line)}
.specs td{padding:8px 0;border-bottom:1px solid var(--line);font-weight:600}
.desc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;white-space:pre-line;line-height:1.9}

/* forms */
.order-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;max-width:760px}
.order-form label{display:block;font-weight:600;margin-bottom:14px;font-size:14px}
.order-form input,.order-form textarea{width:100%;margin-top:6px;padding:11px 14px;border:1px solid var(--line);
  border-radius:12px;font-family:inherit;font-size:15px;outline:0}
.order-form input:focus,.order-form textarea:focus{border-color:var(--primary)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:30px;align-items:start}
.contact-info{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.contact-info p{margin:10px 0}
.socials{display:flex;gap:12px;flex-wrap:wrap;margin-top:12px}
.socials a{color:var(--primary);font-weight:600}
.socials.big a{background:rgba(30,144,255,.1);padding:6px 14px;border-radius:999px}

.empty{text-align:center;padding:60px 0}
.empty p{font-size:18px;color:var(--muted);margin-bottom:18px}

/* footer */
.site-footer{background:#0b1020;color:#c9d4ee;margin-top:50px;padding-top:44px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.2fr;gap:30px;padding-bottom:30px}
.footer-brand{margin-bottom:14px}
.footer-brand .brand-text{color:#fff;-webkit-text-fill-color:#fff}
.site-footer h4{color:#fff;margin:0 0 14px}
.site-footer a{display:block;color:#aab6d6;padding:4px 0}
.site-footer a:hover{color:var(--accent)}
.footer-grid p a{display:inline}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;text-align:center;color:#8595bd;font-size:14px}

/* whatsapp float */
.wa-float{position:fixed;bottom:22px;inset-inline-start:22px;width:58px;height:58px;border-radius:50%;
  background:#25d366;color:#fff;display:grid;place-items:center;box-shadow:0 10px 24px rgba(37,211,102,.5);z-index:60}
.wa-float:hover{transform:scale(1.08)}

/* toast */
.toast{position:fixed;bottom:24px;inset-inline-end:24px;background:#059669;color:#fff;padding:14px 22px;border-radius:12px;
  box-shadow:0 10px 24px rgba(0,0,0,.2);z-index:80;font-weight:700}

/* responsive */
@media(max-width:980px){
  .features,.grid{grid-template-columns:repeat(2,1fr)}
  .hero-inner,.product,.contact-grid,.cats{grid-template-columns:1fr}
  .hero h1{font-size:30px}
}
@media(max-width:720px){
  .nav-search{display:none}
  .nav-toggle{display:block}
  .nav-links{display:none;position:absolute;top:64px;inset-inline-end:4%;background:#fff;border:1px solid var(--line);
    border-radius:14px;flex-direction:column;padding:10px;box-shadow:var(--shadow);min-width:200px}
  .nav-links.open{display:flex}
  .footer-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
}
@media(max-width:520px){ .grid,.features{grid-template-columns:1fr} }