/* =====================================================================
   OTOPARÇA CENTER — MÜŞTERİ TARAFI STİL DOSYASI (v2)
   Yaklaşım: MOBILE-FIRST. Temel kurallar mobil içindir;
   masaüstü geliştirmeleri min-width media query'leriyle EKLENİR.
   Palet: Siyah / Beyaz / Gri / Kırmızı (motorsport karakteri)
   ===================================================================== */

:root {
  --c-black: #121417;
  --c-black-soft: #1c2027;
  --c-red: #e2130a;
  --c-red-dark: #b40500;
  --c-red-glow: rgba(226, 19, 10, 0.18);
  --c-gray-50: #f6f7f9;
  --c-gray-100: #edeef2;
  --c-gray-200: #dde0e6;
  --c-gray-400: #9aa0ab;
  --c-gray-600: #565c68;
  --c-white: #ffffff;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 2px 12px rgba(18, 20, 23, 0.07);
  --shadow-lg: 0 16px 36px rgba(18, 20, 23, 0.18);
  --font-display: 'Rajdhani', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --header-h: 56px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--c-black);
  background: var(--c-gray-50);
  line-height: 1.5;
  padding-bottom: 62px; /* mobil alt menü boşluğu */
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; }

.container { width: 100%; margin: 0 auto; padding: 0 16px; }

h1, h2, h3, h4, .display {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.2px;
  text-transform: uppercase;
}
.section-title {
  font-size: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 22px 0 12px;
}
.section-title::before {
  content: "";
  width: 5px;
  height: 18px;
  background: var(--c-red);
  border-radius: 2px;
  display: inline-block;
}

/* =================== SKIP TO CONTENT (erişilebilirlik) =================== */
.skip-link { position: absolute; left: -999px; top: 0; background: var(--c-black); color: #fff; padding: 10px 16px; z-index: 999; }
.skip-link:focus { left: 8px; top: 8px; }

/* =================== HEADER (mobil temel) =================== */
.site-header { background: var(--c-white); border-bottom: 1px solid var(--c-gray-200); position: sticky; top: 0; z-index: 100; }
.header-main { display: flex; align-items: center; gap: 10px; padding: 10px 16px; flex-wrap: wrap; }
.menu-btn { font-size: 22px; width: 38px; height: 38px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; order: 1; }
.logo { font-family: var(--font-display); font-size: 19px; font-weight: 700; white-space: nowrap; flex-shrink: 0; order: 2; }
.logo span { color: var(--c-red); }
.header-actions { display: flex; align-items: center; gap: 4px; margin-left: auto; order: 3; }
.header-action {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  font-size: 9.5px; color: var(--c-gray-600); position: relative; width: 42px; height: 42px;
}
.header-action .icon { font-size: 19px; }
.action-label { display: none; }
.header-action .badge {
  position: absolute; top: 2px; right: 2px; background: var(--c-red); color: #fff;
  font-size: 9.5px; font-weight: 700; border-radius: 50%; width: 16px; height: 16px;
  display: flex; align-items: center; justify-content: center;
}
.search-row { order: 4; flex-basis: 100%; padding-top: 8px; }
.search-bar { display: flex; border: 2px solid var(--c-black); border-radius: var(--radius-sm); overflow: hidden; }
.search-bar input { flex: 1; border: none; padding: 10px 12px; font-size: 14px; outline: none; min-width: 0; }
.search-bar button { background: var(--c-black); color: #fff; padding: 0 16px; font-weight: 600; font-size: 13px; }

/* Masaüstü nav linkleri mobilde gizli, drawer kullanılır */
.main-nav { display: none; }

/* =================== MOBİL ÇEKMECE MENÜ (drawer) =================== */
.drawer-overlay { position: fixed; inset: 0; background: rgba(15,17,20,0.55); z-index: 300; opacity: 0; pointer-events: none; transition: opacity .2s; }
.drawer-overlay.open { opacity: 1; pointer-events: auto; }
.drawer {
  position: fixed; top: 0; left: 0; bottom: 0; width: 82%; max-width: 320px;
  background: #fff; z-index: 301; transform: translateX(-100%); transition: transform .25s ease;
  overflow-y: auto; padding-bottom: 30px;
}
.drawer.open { transform: translateX(0); }
.drawer-header { background: var(--c-black); color: #fff; padding: 18px 16px; display: flex; justify-content: space-between; align-items: center; }
.drawer-header .close-drawer { font-size: 22px; }
.drawer a.drawer-link {
  display: flex; align-items: center; gap: 10px; padding: 13px 18px; font-size: 14px; font-weight: 500;
  color: var(--c-black-soft); border-bottom: 1px solid var(--c-gray-100);
}
.drawer a.drawer-link:active { background: var(--c-gray-50); }
.drawer .drawer-section-label { padding: 14px 18px 6px; font-size: 11px; color: var(--c-gray-600); font-weight: 700; text-transform: uppercase; }

/* =================== ARAÇ SEÇİM ÇUBUĞU =================== */
.vehicle-picker { background: var(--c-white); border: 1px solid var(--c-gray-200); border-radius: var(--radius); padding: 14px; box-shadow: var(--shadow); margin: 14px 0; }
.vehicle-picker h3 { font-size: 14px; margin-bottom: 10px; color: var(--c-black-soft); text-transform: none; font-family: var(--font-body); font-weight: 700; }
.vehicle-picker-row { display: flex; flex-direction: column; gap: 8px; }
.vehicle-picker select {
  padding: 11px 12px; border: 1px solid var(--c-gray-200); border-radius: var(--radius-sm); font-size: 13.5px; background: var(--c-white); width: 100%;
}
.vehicle-picker button { background: var(--c-red); color: #fff; padding: 12px; border-radius: var(--radius-sm); font-weight: 700; font-size: 13.5px; width: 100%; }

/* =================== HERO SLIDER =================== */
.hero-slider { position: relative; border-radius: var(--radius); overflow: hidden; margin-top: 14px; height: 200px; background: var(--c-black); }
.hero-slide { position: absolute; inset: 0; opacity: 0; transition: opacity .5s; background-size: cover; background-position: center; }
.hero-slide.active { opacity: 1; }
.hero-slide::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(18,20,23,0.15) 0%, rgba(18,20,23,0.85) 100%); }
.hero-slide-content { position: relative; z-index: 2; height: 100%; display: flex; flex-direction: column; justify-content: flex-end; padding: 16px; color: #fff; }
.hero-slide-content .eyebrow { color: #ff5347; font-weight: 700; font-size: 10.5px; letter-spacing: 1.5px; margin-bottom: 4px; }
.hero-slide-content h2 { font-size: 19px; line-height: 1.15; margin-bottom: 6px; text-transform: none; font-family: var(--font-body); font-weight: 700; }
.hero-slide-content p { color: #d8dade; margin-bottom: 10px; font-size: 12.5px; display: none; }
.hero-cta { display: inline-block; background: var(--c-red); color: #fff; padding: 9px 18px; border-radius: var(--radius-sm); font-weight: 700; font-size: 12.5px; width: fit-content; }
.hero-dots { position: absolute; bottom: 10px; right: 12px; z-index: 3; display: flex; gap: 5px; }
.hero-dots span { width: 16px; height: 3px; background: rgba(255,255,255,0.35); border-radius: 2px; }
.hero-dots span.active { background: var(--c-red); }

/* =================== KATEGORİ GRID =================== */
.category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 20px 0; }
.category-card {
  background: var(--c-white); border: 1px solid var(--c-gray-200); border-radius: var(--radius);
  padding: 14px 6px; text-align: center;
}
.category-card:active { border-color: var(--c-red); }
.category-card .cat-icon { font-size: 24px; margin-bottom: 6px; }
.category-card .cat-name { font-size: 10.5px; font-weight: 600; color: var(--c-black-soft); line-height: 1.25; }

/* =================== ÜRÜN KARTI =================== */
.product-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.product-card {
  background: var(--c-white); border: 1px solid var(--c-gray-200); border-radius: var(--radius);
  overflow: hidden; position: relative; display: flex; flex-direction: column; content-visibility: auto;
}
.product-card .badge-row { position: absolute; top: 6px; left: 6px; z-index: 2; display: flex; gap: 4px; flex-direction: column; }
.pcbadge { font-size: 9.5px; font-weight: 700; padding: 2px 7px; border-radius: 3px; color: #fff; text-transform: uppercase; }
.pcbadge.new { background: var(--c-black); }
.pcbadge.hot { background: var(--c-red); }
.pcbadge.discount { background: #14895d; }
.pcbadge.out { background: var(--c-gray-600); }
.fav-btn {
  position: absolute; top: 6px; right: 6px; z-index: 2; background: rgba(255,255,255,0.92);
  width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 14px;
}
.fav-btn.active { color: var(--c-red); }
.product-card .thumb { aspect-ratio: 1/1; background: var(--c-gray-50); overflow: hidden; }
.product-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.product-card .info { padding: 8px 10px 10px; display: flex; flex-direction: column; gap: 4px; flex: 1; }
.product-card .brand-tag { font-size: 10px; color: var(--c-gray-600); font-weight: 600; text-transform: uppercase; }
.product-card .p-name {
  font-size: 12.5px; font-weight: 600; color: var(--c-black-soft); text-transform: none; font-family: var(--font-body);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 32px;
}
.price-row { display: flex; align-items: baseline; gap: 6px; margin-top: auto; flex-wrap: wrap; }
.price-old { font-size: 11px; color: var(--c-gray-400); text-decoration: line-through; }
.price-new { font-size: 15.5px; font-weight: 700; color: var(--c-red); font-family: var(--font-display); }
.add-cart-btn {
  margin-top: 6px; background: var(--c-black); color: #fff; padding: 8px; border-radius: var(--radius-sm);
  font-weight: 700; font-size: 11.5px; text-align: center; text-transform: uppercase;
}
.add-cart-btn:disabled { background: var(--c-gray-400); }

/* =================== SAYFA DÜZENİ (kategori/liste) =================== */
.page-layout { display: flex; flex-direction: column; gap: 16px; margin: 16px 0 40px; }
.filters-panel { background: var(--c-white); border: 1px solid var(--c-gray-200); border-radius: var(--radius); padding: 14px; }
.filter-group { border-bottom: 1px solid var(--c-gray-100); padding-bottom: 12px; margin-bottom: 12px; }
.filter-group:last-child { border-bottom: none; margin-bottom: 0; }
.filter-body { display: none; margin-top: 12px; }
#mobile-filter-toggle { width: 100%; text-align: left; }
.filter-group h4 { font-size: 12.5px; margin-bottom: 8px; color: var(--c-black-soft); text-transform: none; font-family: var(--font-body); font-weight: 700; }
.filter-group label { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--c-gray-600); padding: 5px 0; }
.price-inputs { display: flex; gap: 8px; align-items: center; }
.price-inputs input { width: 100%; padding: 8px; border: 1px solid var(--c-gray-200); border-radius: 5px; font-size: 12.5px; }
.clear-filters { color: var(--c-red); font-size: 12.5px; font-weight: 600; }

.list-toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; gap: 8px; }
.list-toolbar select { padding: 8px 10px; border: 1px solid var(--c-gray-200); border-radius: var(--radius-sm); font-size: 12.5px; }
.result-count { font-size: 12.5px; color: var(--c-gray-600); }

/* =================== ÜRÜN DETAY =================== */
.product-detail { display: flex; flex-direction: column; gap: 18px; margin: 16px 0 40px; }
.gallery-main { border: 1px solid var(--c-gray-200); border-radius: var(--radius); background: #fff; aspect-ratio: 1/1; overflow: hidden; }
.gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.gallery-thumbs { display: flex; gap: 8px; margin-top: 8px; overflow-x: auto; }
.gallery-thumbs img { width: 60px; height: 60px; object-fit: cover; border-radius: 5px; border: 2px solid transparent; flex-shrink: 0; }
.gallery-thumbs img.active { border-color: var(--c-red); }

.pd-title { font-size: 19px; text-transform: none; font-family: var(--font-body); font-weight: 700; margin-bottom: 6px; }
.pd-meta { display: flex; flex-wrap: wrap; gap: 10px; font-size: 12px; color: var(--c-gray-600); margin-bottom: 12px; }
.pd-price-box { background: var(--c-gray-50); border-radius: var(--radius); padding: 14px; margin-bottom: 12px; }
.pd-price-box .price-new { font-size: 24px; }
.stock-badge { font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 4px; display: inline-block; margin-top: 6px; }
.stock-badge.in { background: #e4f6ee; color: #14895d; }
.stock-badge.out { background: #fbe9e8; color: var(--c-red); }
.qty-selector { display: flex; align-items: center; border: 1px solid var(--c-gray-200); border-radius: var(--radius-sm); width: fit-content; margin: 12px 0; }
.qty-selector button { width: 36px; height: 36px; background: var(--c-gray-50); font-size: 17px; font-weight: 700; }
.qty-selector input { width: 46px; text-align: center; border: none; font-size: 14px; }
.pd-actions { display: flex; gap: 8px; }
.pd-actions .add-cart-btn { flex: 1; padding: 13px; font-size: 13px; }
.pd-actions .fav-btn-lg { position: static; border: 1px solid var(--c-gray-200); border-radius: var(--radius-sm); width: 46px; background: #fff; }

.pd-tabs { display: flex; gap: 2px; margin-top: 26px; border-bottom: 2px solid var(--c-gray-200); overflow-x: auto; }
.pd-tab-btn { padding: 10px 14px; font-weight: 700; font-size: 12.5px; color: var(--c-gray-600); border-bottom: 3px solid transparent; white-space: nowrap; }
.pd-tab-btn.active { color: var(--c-red); border-color: var(--c-red); }
.pd-tab-content { display: none; padding: 16px 0; font-size: 13.5px; color: var(--c-gray-600); line-height: 1.7; }
.pd-tab-content.active { display: block; }
.compat-list { display: grid; grid-template-columns: 1fr; gap: 6px; }
.compat-list li { background: var(--c-gray-50); padding: 8px 12px; border-radius: 4px; font-size: 12.5px; }

/* =================== SEPET / CHECKOUT =================== */
.cart-layout { display: flex; flex-direction: column; gap: 16px; margin: 16px 0 40px; }
.cart-item { display: grid; grid-template-columns: 64px 1fr; gap: 10px; background: #fff; border: 1px solid var(--c-gray-200); border-radius: var(--radius); padding: 12px; margin-bottom: 8px; }
.cart-item img { width: 64px; height: 64px; object-fit: cover; border-radius: 5px; }
.cart-item .remove-btn { color: var(--c-red); font-size: 12px; font-weight: 700; }
.cart-item-bottom { display: flex; justify-content: space-between; align-items: center; margin-top: 8px; grid-column: 1 / -1; }
.summary-box { background: #fff; border: 1px solid var(--c-gray-200); border-radius: var(--radius); padding: 16px; }
.summary-row { display: flex; justify-content: space-between; font-size: 13.5px; margin-bottom: 8px; color: var(--c-gray-600); }
.summary-row.total { font-size: 16px; font-weight: 700; color: var(--c-black); border-top: 1px solid var(--c-gray-200); padding-top: 10px; margin-top: 4px; }
.checkout-btn { width: 100%; background: var(--c-red); color: #fff; padding: 13px; border-radius: var(--radius-sm); font-weight: 700; margin-top: 12px; font-size: 13.5px; }

.form-grid { display: flex; flex-direction: column; gap: 12px; }
.form-group label { font-size: 12.5px; font-weight: 600; margin-bottom: 5px; display: block; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 11px 12px; border: 1px solid var(--c-gray-200); border-radius: var(--radius-sm); font-size: 13.5px; }
.payment-options { display: flex; gap: 8px; margin: 10px 0; }
.payment-option { flex: 1; border: 2px solid var(--c-gray-200); border-radius: var(--radius-sm); padding: 12px 6px; text-align: center; font-weight: 600; font-size: 12px; }
.payment-option.selected { border-color: var(--c-red); color: var(--c-red); background: #fdf0ef; }

/* =================== FOOTER =================== */
.site-footer { background: var(--c-black); color: var(--c-gray-400); margin-top: 30px; padding: 30px 0 16px; }
.footer-grid { display: flex; flex-direction: column; gap: 22px; margin-bottom: 22px; }
.footer-grid h4 { color: #fff; font-size: 13px; margin-bottom: 10px; text-transform: none; font-family: var(--font-body); }
.footer-grid a { display: block; color: var(--c-gray-400); font-size: 12.5px; padding: 4px 0; }
.footer-bottom { border-top: 1px solid var(--c-black-soft); padding-top: 14px; text-align: center; font-size: 11.5px; }

/* =================== FLOATING BUTONLAR =================== */
.floating-btns { position: fixed; right: 14px; bottom: 78px; z-index: 250; display: flex; flex-direction: column; gap: 8px; }
.fab { width: 46px; height: 46px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 21px; color: #fff; box-shadow: var(--shadow-lg); }
.fab.whatsapp { background: #25D366; }
.fab.call { background: var(--c-black); }

/* =================== MOBİL ALT MENÜ =================== */
.mobile-tabbar { position: fixed; bottom: 0; left: 0; right: 0; z-index: 250; background: #fff; border-top: 1px solid var(--c-gray-200); height: 58px; }
.mobile-tabbar ul { display: flex; height: 100%; }
.mobile-tabbar li { flex: 1; }
.mobile-tabbar a { height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; font-size: 9.5px; color: var(--c-gray-600); gap: 2px; }
.mobile-tabbar a.active { color: var(--c-red); }
.mobile-tabbar .icon { font-size: 18px; }

/* =================== YARDIMCI / GENERİK =================== */
.breadcrumb { font-size: 11.5px; color: var(--c-gray-600); margin: 12px 0; overflow-x: auto; white-space: nowrap; }
.static-page { background: #fff; padding: 22px 16px; border-radius: var(--radius); border: 1px solid var(--c-gray-200); margin: 16px 0 30px; }
.static-page h1 { font-size: 21px; margin-bottom: 14px; }
.static-page h2 { font-size: 15px; margin: 18px 0 8px; text-transform: none; font-family: var(--font-body); }
.static-page p, .static-page li { font-size: 13.5px; color: var(--c-gray-600); margin-bottom: 9px; line-height: 1.75; }
.static-page ul { list-style: disc; padding-left: 18px; }

.faq-item { border-bottom: 1px solid var(--c-gray-100); padding: 12px 0; }
.faq-item summary { font-weight: 700; cursor: pointer; font-size: 13.5px; }
.faq-item p { margin-top: 8px; }

.empty-state { text-align: center; padding: 44px 16px; color: var(--c-gray-600); }
.empty-state .icon { font-size: 40px; margin-bottom: 12px; }
.btn-primary { display: inline-block; background: var(--c-red); color: #fff; padding: 11px 22px; border-radius: var(--radius-sm); font-weight: 700; margin-top: 12px; font-size: 13px; }

.toast { position: fixed; top: 12px; left: 12px; right: 12px; background: var(--c-black); color: #fff; padding: 13px 18px; border-radius: var(--radius-sm); z-index: 999; font-size: 13px; font-weight: 600; box-shadow: var(--shadow-lg); transform: translateY(-150%); transition: transform .3s; }
.toast.show { transform: translateY(0); }
.toast.success { border-left: 4px solid #14895d; }

.order-tracker-steps { display: flex; justify-content: space-between; margin: 22px 0; }
.tracker-step { flex: 1; text-align: center; position: relative; }
.tracker-step .dot { width: 26px; height: 26px; border-radius: 50%; background: var(--c-gray-200); color: #fff; display: flex; align-items: center; justify-content: center; margin: 0 auto 6px; font-weight: 700; font-size: 12px; }
.tracker-step.done .dot { background: var(--c-red); }
.tracker-step span { font-size: 10.5px; color: var(--c-gray-600); }
.tracker-step::before { content: ""; position: absolute; top: 13px; left: -50%; width: 100%; height: 2px; background: var(--c-gray-200); z-index: -1; }
.tracker-step:first-child::before { display: none; }
.tracker-step.done::before { background: var(--c-red); }

/* Skeleton yükleme efekti (algılanan hızı artırır) */
.skeleton { background: linear-gradient(90deg, var(--c-gray-100) 25%, var(--c-gray-50) 37%, var(--c-gray-100) 63%); background-size: 400% 100%; animation: skeleton-loading 1.4s ease infinite; border-radius: var(--radius-sm); }
@keyframes skeleton-loading { 0% { background-position: 100% 50%; } 100% { background-position: 0 50%; } }

/* =================== TABLET (>=600px) =================== */
@media (min-width: 600px) {
  .container { padding: 0 28px; }
  .category-grid { grid-template-columns: repeat(4, 1fr); }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-slider { height: 280px; }
  .hero-slide-content { padding: 28px; justify-content: center; }
  .hero-slide-content h2 { font-size: 27px; }
  .hero-slide-content p { display: block; }
  .cart-item { grid-template-columns: 80px 1fr auto auto; align-items: center; }
  .cart-item-bottom { display: contents; }
  .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
  .form-grid .full { grid-column: 1 / -1; }
}

/* =================== MASAÜSTÜ (>=980px) =================== */
@media (min-width: 980px) {
  body { padding-bottom: 0; }
  .container { max-width: 1280px; padding: 0 20px; }
  .section-title { font-size: 22px; }

  .menu-btn { display: none; }
  .header-main { padding: 14px 0; gap: 22px; flex-wrap: nowrap; }
  .logo { font-size: 25px; }
  .search-row { padding: 0; flex: 1; max-width: 560px; order: 2; flex-basis: auto; }
  .search-bar input { padding: 11px 14px; }
  .header-actions { gap: 18px; order: 3; }
  .header-action { width: auto; height: auto; font-size: 11.5px; flex-direction: column; }
  .action-label { display: block; }

  .main-nav { display: block; background: var(--c-black-soft); }
  .main-nav .container { display: flex; align-items: center; padding: 0 20px; }
  .nav-cat-toggle { background: var(--c-red); color: #fff; padding: 13px 18px; font-weight: 700; font-size: 13.5px; display: flex; align-items: center; gap: 8px; position: relative; cursor: pointer; }
  .nav-links { display: flex; }
  .nav-links a { color: #cfd2d8; padding: 13px 16px; font-size: 13.5px; font-weight: 500; }
  .nav-links a:hover, .nav-links a.active { color: #fff; background: var(--c-red-glow); }
  .mega-menu { display: none; position: absolute; top: 100%; left: 0; background: #fff; box-shadow: var(--shadow-lg); width: 280px; z-index: 200; border-radius: 0 0 var(--radius) var(--radius); max-height: 70vh; overflow-y: auto; }
  .nav-cat-toggle:hover .mega-menu, .mega-menu:hover { display: block; }
  .mega-menu a { display: flex; align-items: center; gap: 10px; padding: 11px 18px; color: var(--c-black); font-weight: 500; font-size: 13.5px; border-bottom: 1px solid var(--c-gray-100); }
  .mega-menu a:hover { background: var(--c-gray-50); color: var(--c-red); }

  .drawer, .drawer-overlay, .mobile-tabbar, .floating-btns { display: none; }

  .vehicle-picker-row { flex-direction: row; }
  .vehicle-picker select { flex: 1; }
  .vehicle-picker button { width: auto; padding: 11px 26px; }

  .category-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 14px; }
  .category-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--c-red); transition: transform .15s, box-shadow .15s, border-color .15s; }
  .category-card .cat-icon { font-size: 30px; }
  .category-card .cat-name { font-size: 12.5px; }

  .product-grid { grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 16px; }
  .product-card:hover { box-shadow: var(--shadow-lg); border-color: var(--c-gray-400); transition: box-shadow .15s, border-color .15s; }
  .product-card .info { padding: 12px 12px 14px; }
  .product-card .p-name { font-size: 13.5px; min-height: 36px; }
  .price-new { font-size: 18px; }
  .add-cart-btn { padding: 9px; font-size: 12.5px; }
  .fav-btn { width: 32px; height: 32px; font-size: 16px; }

  .page-layout { display: grid; grid-template-columns: 260px 1fr; gap: 24px; align-items: start; }
  .filters-panel { position: sticky; top: 90px; }
  .filter-body { display: block !important; }
  #mobile-filter-toggle { display: none; }

  .product-detail { display: grid; grid-template-columns: 480px 1fr; gap: 36px; }
  .gallery-thumbs img { width: 68px; height: 68px; }
  .pd-title { font-size: 24px; }
  .pd-price-box .price-new { font-size: 30px; }

  .cart-layout { display: grid; grid-template-columns: 1fr 340px; gap: 24px; align-items: start; }
  .summary-box { position: sticky; top: 90px; }

  .static-page { max-width: 860px; margin: 30px auto; padding: 36px; }
  .footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
}