/* Yerel fontlar: başlıklar Poppins, metinler Roboto. */
@font-face{font-family:Roboto;src:url('fonts/Roboto-Regular.ttf') format('truetype');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:Roboto;src:url('fonts/Roboto-700.ttf') format('truetype');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:Poppins;src:url('fonts/Poppins-400.ttf') format('truetype');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:Poppins;src:url('fonts/Poppins-500.ttf') format('truetype');font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:Poppins;src:url('fonts/Poppins-600.ttf') format('truetype');font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:Poppins;src:url('fonts/Poppins-700.ttf') format('truetype');font-weight:700;font-style:normal;font-display:swap}
:root{--red:#e30613;--ink:#555;--heading-font:Poppins,Arial,sans-serif;--text-font:Roboto,Arial,sans-serif}
*{box-sizing:border-box}
body{margin:0;background:#fff;color:var(--ink);font-family:var(--text-font);font-size:16px;line-height:1.5}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
img{max-width:100%;height:auto}
h1,h2,h3,h4,h5,h6,.product-name,.related-label{font-family:var(--heading-font);font-weight:500;line-height:1.2;color:#444}
.container{width:100%;margin:0 auto;padding:0 12px}
@media(min-width:576px){.container{max-width:540px}}
@media(min-width:768px){.container{max-width:720px}}
@media(min-width:992px){.container{max-width:960px}}
@media(min-width:1200px){.container{max-width:1140px}}
@media(min-width:1400px){.container{max-width:1320px}}

/* Header */
.site-header{border-bottom:3px solid var(--red);background:#fff}
.header-top{height:128px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:block;flex:0 0 264px;width:264px}
.logo-placeholder{width:100%;height:100px}
.nav{display:flex;align-items:center;gap:30px;padding-right:20px;font-family:var(--heading-font);font-size:13px;font-weight:700;letter-spacing:1px}
.nav a:hover,.breadcrumbs a:hover{color:var(--red)}
.nav .dealer{background:var(--red);color:#fff;padding:12px 22px;letter-spacing:0;font-size:16px}
.search{display:flex;height:40px;margin:8px 0 16px}
.search input{flex:1;min-width:0;padding:6px 12px;border:1px solid #dc3545;border-radius:4px 0 0 4px}
.search input::placeholder{color:#6c757d;opacity:1}
.search button{padding:6px 12px;color:#dc3545;background:#fff;border:1px solid #dc3545;border-left:0;border-radius:0 4px 4px 0}

/* Görselleri aynı sınıfa sahip img elemanları ile değiştirebilirsiniz. */
.placeholder{display:flex;align-items:center;justify-content:center;padding:12px;background:#fafafa;border:1px dashed #ddd;color:#999;text-align:center;font-family:var(--text-font);font-size:14px;font-weight:400}
.hero{width:100%;aspect-ratio:13 / 6;margin:0}
.main-layout{display:grid;grid-template-columns:25% minmax(0,1fr)}
.sidebar{padding:24px 24px 0 0}
.sidebar h2{font-size:28px;margin:0 0 28px}
.categories{display:flex;flex-direction:column;gap:8px}
.category{display:block;min-height:38px;border:1px solid #343a40;border-radius:4px;padding:6px 12px;font-family:var(--text-font);font-size:16px;font-weight:700;line-height:24px;color:#212529}
.category span{display:inline-block;margin-left:4px;font-size:12px;vertical-align:middle}
.category:hover{color:var(--red);border-color:var(--red)}
#products{min-width:0;padding:32px 24px 0 16px}
.content-heading{margin:0 0 16px;font-size:28px;font-weight:700}
.products-grid,.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px 24px}
.product-card{display:flex;flex-direction:column;min-width:0;overflow:hidden;border:1px solid #ddd;border-radius:4px;text-align:center;background:#fff}
.product-card:hover{border-color:var(--red)}
.product-image{display:flex;width:100%;aspect-ratio:1 / 1;object-fit:contain;margin:0 0 8px}
.sku{align-self:center;display:inline-block;margin:0 8px 8px;padding:4px 7px;border:1px solid #dc3545;border-radius:4px;color:#dc3545;font-size:12px;font-weight:700;line-height:1}
.product-name{margin:0 8px 24px;font-size:20px;line-height:1.2;font-weight:500}

/* Markalar / abonelik */
.brands{margin-top:72px;padding:0 0 30px;border-top:1px solid #eee;text-align:center}
.section-title{position:relative;top:-12px;display:inline-block;margin:0;padding:0 16px;background:#fff;font-size:24px}
.brand-list{display:grid;grid-template-columns:repeat(11,minmax(0,1fr));margin-top:12px}
.brand-item{display:flex;align-items:center;justify-content:center;height:100px;border-right:1px solid #eee;color:#999;font-size:14px}
.brand-item:last-child{border-right:0}
.prefooter{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;margin:0 0 60px}
.prefooter h3{display:flex;align-items:center;gap:16px;margin:0 0 30px;font-size:24px}
.prefooter h3::after{content:'';flex:1;border-top:1px solid #eee}
.prefooter p{margin:0 0 16px;font-size:16px;line-height:1.5}
.subscribe{display:flex;height:38px}
.subscribe input{flex:1;min-width:0;border:1px solid #ced4da;padding:6px 12px;border-radius:4px 0 0 4px}
.subscribe button{border:1px solid #6c757d;border-radius:0 4px 4px 0;background:#6c757d;color:#fff;padding:6px 12px}

/* Footer */
.site-footer{margin-top:16px;background:#202830;border-top:5px solid #cbd0d4;color:#ccc}
.footer-inner{padding-top:16px;padding-bottom:100px}
.footer-heading{margin:0 0 4px;color:#eee;text-align:center;font-size:40px}
.footer-sub{margin:0 0 30px;text-align:center;font-size:16px}
.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:30px;padding-top:30px;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid>div{padding-left:30px}
.footer-grid p,.footer-grid a{margin:0 0 16px;font-size:16px;line-height:1.5}
.footer-grid strong{color:#ccc}
.footer-grid a{display:block;margin-bottom:8px}
.footer-bottom{background:#181f25;padding:40px 0;color:#888;font-size:14px}

/* Ürün detay */
.detail-page .main-layout{margin-bottom:64px}
.detail-page .sidebar{padding-left:8px;padding-right:26px}
.detail-page article{min-width:0;padding:0 24px 0 30px}
.detail-top{display:flex;justify-content:flex-end;margin:28px 0 28px}
.breadcrumbs{color:#777;font-size:16px}
.detail-image{width:500px;max-width:100%;aspect-ratio:1 / 1;object-fit:contain;margin:0 auto 16px}
.detail-title{margin:0 0 8px;font-size:40px;line-height:1.2}
.product-meta{padding:16px 20px;border:1px solid #ddd;border-radius:4px;color:#888;font-size:14px;line-height:24px}
.product-meta b{color:#dc3545}
.product-meta a{color:#0d6efd}
.description-title{margin:8px 0 16px;font-size:28px}
.description{margin:0 0 64px;padding-bottom:16px;border-bottom:1px solid #eee;font-size:16px;line-height:1.5}
.related-label{display:inline-block;margin:0 0 8px;padding:4px 12px;border-radius:16px;background:#dc3545;color:#fff;font-size:18px;font-weight:700}
.related-grid{padding:0 12px;gap:24px}

/* Tablet */
@media(max-width:1199px){
 .nav{gap:18px;padding-right:0;font-size:12px}
 .nav .dealer{font-size:14px;padding:12px 16px}
 .logo{flex-basis:230px;width:230px}
 .category{padding:6px 8px;font-size:14px}
 .sidebar h2,.content-heading,.description-title{font-size:26px}
 .footer-grid>div{padding-left:12px}
}
@media(max-width:991px){
 .header-top{height:auto;min-height:100px;flex-wrap:wrap;justify-content:center;gap:16px;padding:12px 0}
 .logo{flex-basis:220px;width:220px}
 .logo-placeholder{height:80px}
 .nav{width:100%;justify-content:center;flex-wrap:wrap;gap:16px}
 .sidebar{padding-right:16px}
 .category{font-size:12px;line-height:20px;min-height:34px}
 #products{padding-left:12px;padding-right:0}
 .products-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 16px}
 .detail-page article{padding-left:12px;padding-right:0}
 .detail-page .sidebar{padding-left:0;padding-right:16px}
 .detail-title{font-size:32px}
 .breadcrumbs{font-size:13px}
 .related-grid{gap:12px;padding:0}
 .related-grid .product-name{font-size:14px}
 .brand-list{grid-template-columns:repeat(6,minmax(0,1fr))}
 .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}

/* Mobil */
@media(max-width:767px){
 .container{max-width:none;padding-left:16px;padding-right:16px}
 .nav{gap:12px;font-size:11px;letter-spacing:0}
 .nav .dealer{padding:8px 12px;font-size:12px}
 .search{height:38px}
 .search input,.search button{font-size:13px}
 .main-layout{display:block}
 .sidebar,.detail-page .sidebar{padding:20px 0 0}
 .sidebar h2{margin-bottom:16px;font-size:22px}
 .categories{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}
 .category{display:flex;align-items:center;justify-content:space-between;min-height:38px;padding:6px 8px;font-size:11px;line-height:16px}
 #products{padding:28px 0 0}
 .content-heading{font-size:22px}
 .products-grid,.related-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 12px}
 .product-name,.related-grid .product-name{font-size:13px;margin-bottom:16px;line-height:1.3}
 .sku{font-size:10px;padding:3px 5px}
 .brands{margin-top:40px}
 .section-title,.prefooter h3{font-size:20px}
 .brand-list{grid-template-columns:repeat(3,minmax(0,1fr))}
 .brand-item{height:60px}
 .prefooter{grid-template-columns:1fr;gap:24px;margin-bottom:36px}
 .prefooter h3{margin-bottom:16px}
 .prefooter p{font-size:14px}
 .subscribe input,.subscribe button{font-size:13px}
 .detail-page article{padding:0}
 .detail-top{justify-content:flex-start;margin:28px 0 20px}
 .detail-image{width:100%;max-width:500px}
 .detail-title{font-size:28px}
 .product-meta{padding:12px;font-size:12px}
 .description-title{font-size:23px}
 .description{font-size:14px;margin-bottom:32px}
 .related-label{font-size:16px}
 .detail-page .main-layout{margin-bottom:40px}
 .footer-inner{padding-top:20px;padding-bottom:40px}
 .footer-heading{font-size:28px}
 .footer-sub{font-size:14px}
 .footer-grid{gap:20px;padding-top:24px}
 .footer-grid>div{padding-left:0}
 .footer-grid p,.footer-grid a{font-size:13px}
 .footer-bottom{font-size:11px;padding:24px 0}
}

/* Kategori accordion: mevcut kategori görünümü korunur. */
.category-item{min-width:0}
button.category{width:100%;background:#fff;text-align:left;cursor:pointer}
.category[aria-expanded="true"]{color:var(--red);border-color:var(--red)}
.category[aria-expanded="true"] span{transform:rotate(180deg)}
.category:focus-visible{outline:2px solid var(--red);outline-offset:2px}
.subcategory-list{list-style:none;margin:4px 0 0;padding:4px 0;border:1px solid #ddd;border-radius:4px;background:#fafafa}
.subcategory-list[hidden]{display:none}
.subcategory-list a{display:block;padding:7px 12px;font-family:var(--text-font);font-size:13px;font-weight:400;line-height:1.5;overflow-wrap:anywhere}
.subcategory-list li+li{border-top:1px solid #eee}
.subcategory-list a:hover,.subcategory-list a:focus-visible{color:var(--red);background:#fff}
.subcategory-list li:first-child a{font-weight:700}
@media(max-width:767px){
 .categories{align-items:start}
 .subcategory-list a{padding:7px 8px;font-size:11px}
}