:root{
  --navy-deepest:#081826;
  --navy-base:#0F3352;
  --navy-mid:#164869;
  --amber:#E8A33D;
  --amber-soft:#FBE7C6;
  --bg:#F3F6F9;
  --card:#FFFFFF;
  --border:#E5EAEF;
  --text:#132433;
  --text-muted:#6B7C8C;
  --success:#22C55E;
  --success-soft:#DCFCE7;
  --danger:#EF4444;
  --danger-soft:#FEE2E2;
  --radius:14px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:'Vazirmatn',sans-serif;
  background:var(--bg);
  color:var(--text);
  margin:0;
  direction:rtl;
  line-height:1.8;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.container{max-width:1200px;margin:0 auto;padding:0 20px;}
button{font-family:inherit;cursor:pointer;}

/* ---------- Header ---------- */
.site-header{background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50;}
.header-top{display:flex;align-items:center;gap:20px;padding:16px 0;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;}
.brand-mark{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--amber),#f2c274);display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--navy-deepest);flex-shrink:0;}
.header-search{flex:1;display:flex;background:var(--bg);border:1px solid var(--border);border-radius:10px;overflow:hidden;}
.header-search input{flex:1;border:none;background:none;padding:11px 14px;font-family:inherit;font-size:13.5px;}
.header-search button{background:none;border:none;padding:0 14px;color:var(--text-muted);}
.header-actions{display:flex;align-items:center;gap:16px;}
.cart-link{position:relative;display:flex;align-items:center;gap:8px;font-weight:700;font-size:13.5px;background:var(--navy-base);color:#fff;padding:10px 16px;border-radius:10px;}
.cart-count{position:absolute;top:-7px;left:-7px;background:var(--amber);color:var(--navy-deepest);font-size:11px;font-weight:800;border-radius:50%;width:20px;height:20px;display:flex;align-items:center;justify-content:center;}
.main-nav{border-top:1px solid var(--border);}
.main-nav ul{display:flex;gap:6px;list-style:none;margin:0;padding:0;overflow-x:auto;}
.main-nav a{display:block;padding:12px 14px;font-size:13.5px;font-weight:600;white-space:nowrap;border-radius:8px;}
.main-nav a:hover{background:var(--bg);color:var(--navy-base);}
.mobile-toggle{display:none;background:none;border:none;font-size:22px;padding:6px;}

/* ---------- Hero / Slider ---------- */
.hero-slider{position:relative;border-radius:var(--radius);overflow:hidden;margin:20px 0;background:var(--navy-deepest);}
.hero-slide{position:relative;display:none;}
.hero-slide.active{display:block;}
.hero-slide img{width:100%;height:340px;object-fit:cover;opacity:.85;}
.hero-caption{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;padding:40px;color:#fff;background:linear-gradient(90deg,rgba(8,24,38,.75),transparent 70%);}
.hero-caption h2{font-size:26px;margin:0 0 8px;}
.hero-caption p{font-size:14px;color:#dfe8ef;margin:0 0 16px;max-width:420px;}
.hero-dots{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);display:flex;gap:6px;}
.hero-dots span{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.4);}
.hero-dots span.active{background:#fff;}

/* ---------- Sections ---------- */
.section{margin:36px 0;}
.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.section-head h2{font-size:19px;margin:0;}
.section-head a{font-size:13px;color:var(--navy-base);font-weight:700;}

/* ---------- Category chips ---------- */
.cat-chip-row{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;}
.cat-chip{background:var(--card);border:1px solid var(--border);border-radius:999px;padding:9px 18px;font-size:13px;font-weight:600;white-space:nowrap;}
.cat-chip:hover, .cat-chip.active{background:var(--navy-base);color:#fff;border-color:var(--navy-base);}

/* ---------- Product grid & cards ---------- */
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:18px;}
.product-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:.15s;display:flex;flex-direction:column;}
.product-card:hover{box-shadow:0 8px 24px rgba(11,38,62,.08);transform:translateY(-2px);}
.product-thumb{aspect-ratio:1/1;background:var(--bg);display:flex;align-items:center;justify-content:center;font-size:34px;overflow:hidden;position:relative;}
.product-thumb img{width:100%;height:100%;object-fit:cover;}
.product-badge{position:absolute;top:10px;right:10px;background:var(--amber);color:var(--navy-deepest);font-size:11px;font-weight:800;padding:4px 9px;border-radius:7px;}
.product-info{padding:14px;display:flex;flex-direction:column;gap:6px;flex:1;}
.product-info b{font-size:13.5px;font-weight:700;line-height:1.6;}
.product-rating{font-size:11.5px;color:var(--amber);}
.product-price{margin-top:auto;display:flex;align-items:baseline;gap:8px;}
.product-price .now{font-weight:800;font-size:15px;}
.product-price .old{font-size:12px;color:var(--text-muted);text-decoration:line-through;}
.add-to-cart-btn{margin-top:8px;width:100%;background:var(--navy-base);color:#fff;border:none;border-radius:9px;padding:10px;font-size:13px;font-weight:700;}
.add-to-cart-btn:hover{background:var(--navy-mid);}
.empty-state{text-align:center;color:var(--text-muted);padding:60px 20px;font-size:14px;}

/* ---------- Pagination ---------- */
.pagination{display:flex;justify-content:center;gap:8px;margin-top:26px;}
.pagination a,.pagination span{padding:9px 14px;border-radius:8px;border:1px solid var(--border);font-size:13px;background:var(--card);}
.pagination .active{background:var(--navy-base);color:#fff;border-color:var(--navy-base);}

/* ---------- Product detail ---------- */
.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin:28px 0;}
.pd-gallery-main{aspect-ratio:1/1;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:60px;overflow:hidden;}
.pd-gallery-main img{width:100%;height:100%;object-fit:cover;}
.pd-thumbs{display:flex;gap:8px;margin-top:10px;}
.pd-thumbs img{width:64px;height:64px;object-fit:cover;border-radius:8px;border:1px solid var(--border);cursor:pointer;}
.pd-title{font-size:22px;font-weight:800;margin:0 0 8px;}
.pd-meta{font-size:12.5px;color:var(--text-muted);margin-bottom:14px;}
.pd-price{display:flex;align-items:baseline;gap:10px;margin:14px 0;}
.pd-price .now{font-size:26px;font-weight:800;color:var(--navy-deepest);}
.pd-price .old{font-size:15px;color:var(--text-muted);text-decoration:line-through;}
.pd-desc{font-size:13.5px;color:var(--text);line-height:2;margin:16px 0;}
.variant-group{margin:14px 0;}
.variant-group label{display:block;font-size:12.5px;font-weight:700;margin-bottom:8px;}
.variant-options{display:flex;gap:8px;flex-wrap:wrap;}
.variant-options label.opt{border:1px solid var(--border);border-radius:8px;padding:8px 16px;font-size:12.5px;cursor:pointer;}
.variant-options input{display:none;}
.variant-options input:checked + span{color:var(--navy-base);font-weight:800;}
.qty-box{display:flex;align-items:center;border:1px solid var(--border);border-radius:9px;width:fit-content;}
.qty-box button{background:none;border:none;width:36px;height:38px;font-size:16px;}
.qty-box input{width:44px;border:none;text-align:center;font-family:inherit;font-size:14px;}
.pd-cta{display:flex;gap:10px;margin-top:20px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;padding:12px 22px;font-size:13.5px;font-weight:700;border:none;}
.btn-primary{background:var(--navy-base);color:#fff;}
.btn-primary:hover{background:var(--navy-mid);}
.btn-amber{background:var(--amber);color:var(--navy-deepest);}
.btn-ghost{background:var(--card);border:1px solid var(--border);color:var(--text);}
.btn-block{width:100%;}
.spec-table{width:100%;border-collapse:collapse;margin-top:10px;}
.spec-table td{padding:9px 4px;border-bottom:1px solid var(--border);font-size:13px;}
.spec-table td:first-child{color:var(--text-muted);width:40%;}

/* ---------- Reviews ---------- */
.review-item{border-bottom:1px solid var(--border);padding:16px 0;}
.review-item .stars{color:var(--amber);font-size:13px;}
.review-item .name{font-weight:700;font-size:13px;margin-inline-start:8px;}
.review-item p{font-size:13px;margin:8px 0 0;color:var(--text);}
.review-reply{background:var(--bg);border-radius:8px;padding:10px 12px;margin-top:8px;font-size:12px;color:var(--text-muted);}
.star-input{display:flex;gap:6px;flex-direction:row-reverse;justify-content:flex-end;font-size:24px;}
.star-input input{display:none;}
.star-input label{color:#d7dee3;cursor:pointer;}
.star-input input:checked ~ label, .star-input label:hover, .star-input label:hover ~ label{color:var(--amber);}

/* ---------- Cart & Checkout ---------- */
.cart-table{width:100%;border-collapse:collapse;}
.cart-table th{text-align:right;font-size:12px;color:var(--text-muted);padding:10px;border-bottom:1px solid var(--border);}
.cart-table td{padding:14px 10px;border-bottom:1px solid var(--border);font-size:13px;vertical-align:middle;}
.cart-row-thumb{width:56px;height:56px;border-radius:8px;background:var(--bg);overflow:hidden;flex-shrink:0;}
.cart-row-thumb img{width:100%;height:100%;object-fit:cover;}
.cart-item-cell{display:flex;align-items:center;gap:12px;}
.summary-box{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;position:sticky;top:100px;}
.summary-row{display:flex;justify-content:space-between;font-size:13px;padding:8px 0;color:var(--text-muted);}
.summary-row.total{font-weight:800;font-size:16px;color:var(--text);border-top:1px solid var(--border);margin-top:6px;padding-top:14px;}
.coupon-box{display:flex;gap:8px;margin:16px 0;}
.coupon-box input{flex:1;border:1px solid var(--border);border-radius:9px;padding:10px 12px;font-family:inherit;font-size:13px;}
.checkout-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:start;}
.form-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:22px;margin-bottom:16px;}
.form-card h3{margin:0 0 16px;font-size:15px;}
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.field-grid .full{grid-column:1/-1;}
label{display:block;font-size:12.5px;font-weight:700;margin-bottom:6px;}
input[type=text],input[type=email],input[type=tel],input[type=date],input[type=number],textarea,select{
  width:100%;border:1px solid var(--border);border-radius:9px;padding:11px 13px;font-family:inherit;font-size:13.5px;background:#fff;
}
textarea{min-height:100px;resize:vertical;}
.radio-card{display:flex;align-items:center;gap:10px;border:1px solid var(--border);border-radius:10px;padding:13px 15px;margin-bottom:10px;cursor:pointer;}
.radio-card input{accent-color:var(--navy-base);}
.radio-card.selected{border-color:var(--navy-base);background:#f5f8fb;}

/* ---------- Flash messages ---------- */
.flash{padding:13px 16px;border-radius:10px;font-size:13px;font-weight:600;margin-bottom:14px;}
.flash.success{background:var(--success-soft);color:#158a44;}
.flash.error{background:var(--danger-soft);color:#c22323;}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-deepest);color:#c3d3e0;margin-top:60px;padding:44px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:30px;}
.footer-grid h4{color:#fff;font-size:14px;margin:0 0 14px;}
.footer-grid ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px;font-size:13px;}
.footer-grid p{font-size:12.5px;line-height:2;}
.newsletter-form{display:flex;gap:8px;margin-top:10px;}
.newsletter-form input{flex:1;border:none;border-radius:9px;padding:10px 12px;font-family:inherit;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:34px;padding-top:18px;text-align:center;font-size:12px;color:#8fa4b6;}

/* ---------- 404 ---------- */
.state-404{text-align:center;padding:100px 20px;}
.state-404 h1{font-size:60px;margin:0;color:var(--navy-base);}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .product-detail{grid-template-columns:1fr;}
  .checkout-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .field-grid{grid-template-columns:1fr;}
}
@media (max-width:640px){
  .header-search{display:none;}
  .main-nav ul{padding:0 4px;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-slide img{height:200px;}
  .hero-caption{padding:20px;}
  .hero-caption h2{font-size:19px;}
}