:root{
  --primary:#c8102e;
  --primary-dark:#9b0c24;
  --dark:#1a1a1a;
  --gray:#4a4a4a;
  --light:#f5f5f5;
  --border:#e5e5e5;
  --text:#222;
  --muted:#666;
  --max:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{font-family:-apple-system,Segoe UI,Roboto,'Noto Sans Arabic','Noto Sans Thai',Helvetica,Arial,sans-serif;color:var(--text);line-height:1.6;background:#fff}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}

/* Header */
.site-header{background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.06);position:sticky;top:0;z-index:100}
.topbar{background:var(--dark);color:#ddd;font-size:13px;padding:6px 0}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.lang-switch{display:flex;align-items:center;gap:8px}
.lang-switch select{background:#fff;color:#222;border:0;border-radius:4px;padding:4px 8px;font-size:13px;cursor:pointer}
.nav-inner{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;flex-wrap:wrap;gap:16px}
.brand{display:flex;align-items:center;gap:12px}
.logo-mark{background:var(--primary);color:#fff;width:52px;height:52px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;letter-spacing:1px}
.logo-img{height:42px;width:auto;display:block;object-fit:contain}
.brand-text strong{display:block;font-size:18px;color:var(--dark)}
.brand-text em{display:block;font-style:normal;font-size:12px;color:var(--muted)}
.main-nav{display:flex;gap:28px}
.main-nav a{font-weight:600;color:var(--dark);padding:8px 0;border-bottom:2px solid transparent;transition:.2s}
.main-nav a:hover{color:var(--primary);border-color:var(--primary)}

/* Banner */
.banner{position:relative;height:480px;overflow:hidden;background:#000}
.banner-slide{position:absolute;inset:0;opacity:0;transition:opacity 1s ease;background-size:cover;background-position:center}
.banner-slide.active{opacity:1}
.banner-slide::after{content:'';position:absolute;inset:0;background:linear-gradient(to right,rgba(0,0,0,.7),rgba(0,0,0,.2))}
.banner-content{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;color:#fff;z-index:2;padding:0 20px;max-width:var(--max);margin:0 auto;left:0;right:0}
.banner-content h1{font-size:48px;margin-bottom:16px;text-shadow:0 2px 8px rgba(0,0,0,.4)}
.banner-content p{font-size:20px;margin-bottom:24px;max-width:600px;text-shadow:0 1px 4px rgba(0,0,0,.4)}
.banner-dots{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);z-index:3;display:flex;gap:10px}
.banner-dots span{width:12px;height:12px;border-radius:50%;background:rgba(255,255,255,.5);cursor:pointer;transition:.2s}
.banner-dots span.active{background:#fff;width:32px;border-radius:6px}

/* Buttons */
.btn{display:inline-block;background:var(--primary);color:#fff;padding:12px 28px;border-radius:4px;font-weight:600;border:0;cursor:pointer;transition:.2s;font-size:15px}
.btn:hover{background:var(--primary-dark)}
.btn-outline{background:transparent;border:2px solid #fff;color:#fff}
.btn-outline:hover{background:#fff;color:var(--primary)}

section{padding:60px 0}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:32px;color:var(--dark);margin-bottom:8px}
.section-title p{color:var(--muted)}

/* Why Choose Us */
.why-choose{background:var(--light)}
.why-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:28px}
.why-card{background:#fff;padding:28px;border-radius:8px;border:1px solid var(--border);transition:.25s;text-align:center}
.why-card:hover{transform:translateY(-4px);box-shadow:0 12px 24px rgba(0,0,0,.08);border-color:var(--primary)}
.why-icon{width:56px;height:56px;background:var(--primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 18px}
.why-icon svg{width:28px;height:28px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.why-card h3{font-size:18px;color:var(--dark);margin-bottom:10px}
.why-card p{font-size:14px;color:var(--muted);line-height:1.6}

/* Product grid */
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.product-card{background:#fff;border:1px solid var(--border);border-radius:8px;overflow:hidden;transition:.25s;display:flex;flex-direction:column}
.product-card:hover{transform:translateY(-4px);box-shadow:0 12px 24px rgba(0,0,0,.08);border-color:var(--primary)}
.product-card .img{aspect-ratio:4/3;background:#f5f5f5;overflow:hidden}
.product-card .img img{width:100%;height:100%;object-fit:cover;transition:.3s}
.product-card:hover .img img{transform:scale(1.05)}
.product-card .body{padding:18px;flex:1;display:flex;flex-direction:column}
.product-card h3{font-size:17px;color:var(--dark);margin-bottom:8px}
.product-card .cat{font-size:12px;color:var(--primary);text-transform:uppercase;letter-spacing:.5px;font-weight:600;margin-bottom:8px}
.product-card p{font-size:14px;color:var(--muted);flex:1;margin-bottom:14px}
.product-card .more{color:var(--primary);font-weight:600;font-size:14px}

/* Filter */
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:30px}
.filter-bar a{padding:8px 18px;background:var(--light);border-radius:20px;font-size:14px;font-weight:500;color:var(--gray);transition:.2s}
.filter-bar a.active,.filter-bar a:hover{background:var(--primary);color:#fff}

/* Detail page */
.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.product-detail .img-wrap img{width:100%;border-radius:8px;border:1px solid var(--border)}
.detail-info h1{font-size:32px;color:var(--dark);margin-bottom:12px}
.detail-info .cat{display:inline-block;background:var(--primary);color:#fff;padding:4px 12px;border-radius:4px;font-size:12px;font-weight:600;margin-bottom:18px;text-transform:uppercase}
.spec-block{background:var(--light);padding:20px;border-radius:8px;margin-top:24px;border-left:4px solid var(--primary)}
.spec-block h3{margin-bottom:12px;color:var(--dark)}
.spec-block pre{font-family:inherit;white-space:pre-wrap;color:var(--gray)}
.rtl .spec-block{border-left:0;border-right:4px solid var(--primary)}

/* About / Contact */
.about-section h1,.contact-section h1{font-size:36px;margin-bottom:20px;color:var(--dark)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:30px}
.contact-info p{margin-bottom:12px}
.contact-form input,.contact-form textarea{width:100%;padding:12px;border:1px solid var(--border);border-radius:4px;margin-bottom:14px;font-family:inherit;font-size:15px}
.contact-form textarea{min-height:140px;resize:vertical}

/* Footer */
.site-footer{background:var(--dark);color:#bbb;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1.5fr;gap:40px;padding:50px 20px}
.site-footer h4{color:#fff;margin-bottom:14px;font-size:16px}
.site-footer ul{list-style:none}
.site-footer li{margin-bottom:8px}
.site-footer a:hover{color:var(--primary)}
.footer-bottom{background:#000;padding:14px 0;text-align:center;font-size:13px}

/* RTL */
body.rtl{direction:rtl}
body.rtl .banner-content{text-align:right}

/* Responsive */
@media (max-width:768px){
  .nav-inner{flex-direction:column;align-items:flex-start}
  .main-nav{gap:18px;flex-wrap:wrap}
  .banner{height:360px}
  .banner-content h1{font-size:30px}
  .banner-content p{font-size:16px}
  .product-detail,.contact-grid,.footer-grid{grid-template-columns:1fr}
}

/* Admin */
.admin-body{background:#f0f2f5;min-height:100vh}
.admin-header{background:var(--dark);color:#fff;padding:14px 24px;display:flex;justify-content:space-between;align-items:center}
.admin-header a{color:#fff;margin-left:18px}
.admin-wrap{max-width:1100px;margin:30px auto;padding:0 20px}
.admin-card{background:#fff;border-radius:8px;padding:24px;box-shadow:0 1px 3px rgba(0,0,0,.06);margin-bottom:20px}
.admin-card h2{margin-bottom:18px;color:var(--dark);border-bottom:2px solid var(--primary);padding-bottom:8px}
table.admin-table{width:100%;border-collapse:collapse}
.admin-table th,.admin-table td{text-align:left;padding:12px;border-bottom:1px solid var(--border)}
.admin-table th{background:#fafafa;font-weight:600}
.admin-table img{width:60px;height:45px;object-fit:cover;border-radius:4px}
.admin-actions a{color:var(--primary);margin-right:10px;font-size:14px}
.admin-actions a.del{color:#c00}
.form-row{margin-bottom:16px}
.form-row label{display:block;margin-bottom:6px;font-weight:600;font-size:14px}
.form-row input,.form-row textarea,.form-row select{width:100%;padding:10px;border:1px solid var(--border);border-radius:4px;font-family:inherit;font-size:14px}
.form-row textarea{min-height:100px}
.flash{padding:12px 16px;border-radius:4px;margin-bottom:16px}
.flash.ok{background:#d4edda;color:#155724}
.flash.err{background:#f8d7da;color:#721c24}
.login-box{max-width:380px;margin:80px auto;background:#fff;padding:32px;border-radius:8px;box-shadow:0 4px 16px rgba(0,0,0,.08)}
.login-box h1{text-align:center;margin-bottom:24px;color:var(--primary)}