/* =====================================================
   NTR Giyim - Mobile-First Premium Design System
   ===================================================== */

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #faf8f7;
  --color-text: #1a1a1a;
  --color-text-muted: #767066;
  --color-border: #ece7e3;
  --color-accent: #b3184f;
  --color-accent-dark: #8f1240;
  --color-whatsapp: #25d366;
  --color-badge-new: #1a1a1a;
  --color-badge-discount: #b3184f;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --container-max: 1240px;
  --radius: 2px;
  --transition: 0.25s ease;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.55;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }

.skip-link {
  position: absolute; left: -999px; top: 0; background: #fff; padding: 10px; z-index: 999;
}
.skip-link:focus { left: 10px; }

/* ---------- Layout helpers ---------- */
.section { padding: 40px 16px; max-width: var(--container-max); margin: 0 auto; }
.section-alt { background: var(--color-bg-alt); }
.section-title {
  font-size: 20px; font-weight: 600; letter-spacing: 0.02em; margin-bottom: 20px; text-align: center;
  text-transform: uppercase;
}

.btn-primary {
  display: inline-block; background: var(--color-text); color: #fff; padding: 14px 28px;
  border-radius: var(--radius); font-size: 14px; letter-spacing: 0.05em; text-transform: uppercase;
  border: none; transition: background var(--transition);
}
.btn-primary:hover { background: var(--color-accent); }
.btn-block { width: 100%; text-align: center; }

.btn-whatsapp-large {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  background: var(--color-whatsapp); color: #fff; padding: 15px 20px; border-radius: var(--radius);
  font-weight: 600; font-size: 15px; margin-top: 18px; transition: opacity var(--transition);
}
.btn-whatsapp-large:hover { opacity: 0.9; }

.btn-whatsapp-card {
  display: flex; align-items: center; justify-content: center; gap: 6px;
  border: 1px solid var(--color-whatsapp); color: var(--color-whatsapp);
  padding: 9px 10px; border-radius: var(--radius); font-size: 12.5px; font-weight: 600; margin-top: 10px;
  transition: background var(--transition), color var(--transition);
}
.btn-whatsapp-card:hover { background: var(--color-whatsapp); color: #fff; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100; background: #fff; border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; gap: 12px;
  max-width: var(--container-max); margin: 0 auto;
}
.logo img { height: 32px; width: auto; }
.mobile-menu-toggle {
  background: none; border: none; width: 24px; height: 18px; display: flex; flex-direction: column;
  justify-content: space-between;
}
.mobile-menu-toggle span { height: 2px; background: var(--color-text); display: block; }
.main-nav { display: none; }
.main-nav ul { display: flex; gap: 26px; }
.main-nav a { font-size: 13.5px; letter-spacing: 0.03em; text-transform: uppercase; font-weight: 500; }
.main-nav a:hover { color: var(--color-accent); }

.header-actions { display: flex; align-items: center; gap: 10px; }
.icon-btn { background: none; border: none; padding: 4px; color: var(--color-text); }
.whatsapp-btn-header {
  display: none; align-items: center; gap: 7px; background: var(--color-whatsapp); color: #fff;
  padding: 8px 14px; border-radius: 20px; font-size: 13px; font-weight: 600;
}

.search-panel { display: none; padding: 0 16px 14px; }
.search-panel.active { display: block; }
.search-form { display: flex; max-width: var(--container-max); margin: 0 auto; }
.search-form input { flex: 1; padding: 10px 14px; border: 1px solid var(--color-border); border-radius: var(--radius) 0 0 var(--radius); }
.search-form button { padding: 10px 18px; background: var(--color-text); color: #fff; border: none; border-radius: 0 var(--radius) var(--radius) 0; }

/* Mobile nav drawer */
.mobile-nav-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 199; opacity: 0; pointer-events: none;
  transition: opacity var(--transition);
}
.mobile-nav-overlay.active { opacity: 1; pointer-events: auto; }
.mobile-nav {
  position: fixed; top: 0; left: -300px; width: 280px; height: 100%; background: #fff; z-index: 200;
  transition: left var(--transition); overflow-y: auto; padding: 20px 0;
}
.mobile-nav.active { left: 0; }
.mobile-nav ul li a { display: block; padding: 14px 22px; font-size: 15px; border-bottom: 1px solid var(--color-border); }
.whatsapp-btn-mobile {
  display: block; margin: 16px 22px; background: var(--color-whatsapp); color: #fff; text-align: center;
  padding: 12px; border-radius: var(--radius); font-weight: 600;
}

/* ---------- Hero ---------- */
.hero { position: relative; }
.hero-slide { position: relative; width: 100%; aspect-ratio: 4/5; overflow: hidden; background: var(--color-bg-alt); }
.hero-slide img { width: 100%; height: 100%; object-fit: cover; }
.hero-slide-fallback { display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #faf1f4, #f4e9ed); }
.hero-slide-content {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 30px 20px; text-align: center;
  background: linear-gradient(transparent, rgba(0,0,0,0.55));
  color: #fff;
}
.hero-slide-fallback .hero-slide-content { position: static; background: none; color: var(--color-text); padding: 60px 20px; }
.hero-slide-content h1 { font-size: 26px; font-weight: 600; margin-bottom: 8px; }
.hero-slide-content p { font-size: 14px; margin-bottom: 16px; opacity: 0.92; }

.campaign-banner { max-width: var(--container-max); margin: 0 auto; padding: 0 16px; margin-top: 16px; }
.campaign-banner img { border-radius: var(--radius); width: 100%; }

/* ---------- Categories ---------- */
.category-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.category-tile { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 1/1; }
.category-tile img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition); }
.category-tile:hover img { transform: scale(1.05); }
.category-tile span {
  position: absolute; bottom: 12px; left: 12px; background: rgba(255,255,255,0.92); padding: 6px 14px;
  font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em; border-radius: 20px;
}

/* ---------- Product grid & cards ---------- */
.product-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px 12px; }
.product-card { position: relative; }
.product-card-img { position: relative; display: block; aspect-ratio: 4/5; background: var(--color-bg-alt); overflow: hidden; border-radius: var(--radius); }
.product-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition); }
.product-card:hover .product-card-img img { transform: scale(1.04); }
.badge {
  position: absolute; top: 8px; padding: 4px 9px; font-size: 10.5px; font-weight: 700; color: #fff;
  border-radius: 2px; text-transform: uppercase; letter-spacing: 0.03em;
}
.badge-discount { left: 8px; background: var(--color-badge-discount); }
.badge-new { right: 8px; background: var(--color-badge-new); }
.product-card-body { padding-top: 10px; }
.product-card-cat { font-size: 11px; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.product-card-title { font-size: 13.5px; font-weight: 500; margin: 3px 0 6px; line-height: 1.35; }
.product-card-price { font-size: 14px; font-weight: 600; }
.price-old { text-decoration: line-through; color: var(--color-text-muted); font-weight: 400; font-size: 12.5px; margin-right: 6px; }
.price-new { color: var(--color-text); }

/* ---------- WhatsApp advantage ---------- */
.whatsapp-advantage { background: var(--color-bg-alt); padding: 50px 20px; text-align: center; }
.whatsapp-advantage-inner { max-width: 480px; margin: 0 auto; }
.whatsapp-advantage svg { color: var(--color-whatsapp); margin-bottom: 12px; }
.whatsapp-advantage h2 { font-size: 20px; margin-bottom: 10px; }
.whatsapp-advantage p { color: var(--color-text-muted); font-size: 14px; margin-bottom: 20px; }

/* ---------- Reviews ---------- */
.reviews-grid { display: grid; gap: 14px; }
.review-card { border: 1px solid var(--color-border); padding: 18px; border-radius: var(--radius); }
.review-stars { color: #e6a817; font-size: 15px; margin-bottom: 8px; }
.review-card p { font-size: 13.5px; margin-bottom: 10px; color: var(--color-text); }
.review-name { font-size: 12.5px; color: var(--color-text-muted); font-weight: 600; }

/* ---------- Instagram ---------- */
.instagram-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; }
.instagram-tile { aspect-ratio: 1/1; overflow: hidden; }
.instagram-tile img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--color-border); padding: 14px 0; }
.faq-item summary { font-weight: 600; font-size: 14.5px; cursor: pointer; list-style: none; position: relative; padding-right: 20px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; position: absolute; right: 0; top: 0; font-size: 18px; }
.faq-item[open] summary::after { content: '−'; }
.faq-item p { margin-top: 10px; font-size: 13.5px; color: var(--color-text-muted); }

/* ---------- Trust bar ---------- */
.trust-bar { background: var(--color-text); color: #fff; padding: 26px 16px; }
.trust-bar-inner { max-width: var(--container-max); margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.trust-item { display: flex; align-items: center; gap: 10px; }
.trust-item svg { flex-shrink: 0; opacity: 0.9; }
.trust-item strong { display: block; font-size: 12.5px; }
.trust-item span { display: block; font-size: 11px; opacity: 0.65; }

/* ---------- Footer ---------- */
.site-footer { background: #141414; color: #cfcfcf; padding: 40px 16px 20px; }
.footer-inner { max-width: var(--container-max); margin: 0 auto; display: grid; gap: 30px; }
.footer-col h4 { color: #fff; font-size: 13.5px; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 14px; }
.footer-col ul li { margin-bottom: 9px; }
.footer-col a { font-size: 13px; color: #cfcfcf; }
.footer-col a:hover { color: #fff; }
.footer-col p { font-size: 13px; margin-bottom: 10px; }
.footer-whatsapp { display: inline-block; margin-top: 12px; color: var(--color-whatsapp); font-weight: 600; font-size: 13px; }
.footer-bottom { max-width: var(--container-max); margin: 30px auto 0; padding-top: 18px; border-top: 1px solid #2a2a2a; font-size: 12px; text-align: center; opacity: 0.6; }

.whatsapp-float {
  position: fixed; bottom: 20px; right: 16px; width: 54px; height: 54px; background: var(--color-whatsapp);
  border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 14px rgba(0,0,0,0.25);
  z-index: 90;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb { max-width: var(--container-max); margin: 0 auto; padding: 12px 16px; font-size: 12px; color: var(--color-text-muted); }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 6px; }
.breadcrumb li:not(:last-child)::after { content: '/'; margin-left: 6px; }

/* ---------- Category page ---------- */
.category-page { max-width: var(--container-max); margin: 0 auto; padding: 0 16px 50px; }
.category-page-header { text-align: center; margin-bottom: 20px; }
.category-page-header h1 { font-size: 24px; text-transform: uppercase; letter-spacing: 0.03em; margin-bottom: 8px; }
.category-page-header p { color: var(--color-text-muted); font-size: 13.5px; }

.mobile-filter-toggle {
  display: block; width: 100%; padding: 12px; border: 1px solid var(--color-border); background: #fff;
  border-radius: var(--radius); font-size: 13.5px; font-weight: 600; margin-bottom: 16px;
}

.category-page-body { display: block; }
.filters-sidebar {
  position: fixed; top: 0; right: -320px; width: 300px; height: 100%; background: #fff; z-index: 200;
  padding: 20px; overflow-y: auto; transition: right var(--transition); box-shadow: -4px 0 20px rgba(0,0,0,0.1);
}
.filters-sidebar.active { right: 0; }
.filter-group { margin-bottom: 22px; }
.filter-group h3 { font-size: 13px; text-transform: uppercase; margin-bottom: 10px; letter-spacing: 0.03em; }
.price-range-inputs { display: flex; gap: 8px; }
.price-range-inputs input { width: 100%; padding: 8px; border: 1px solid var(--color-border); border-radius: var(--radius); }
.filter-group label { display: flex; align-items: center; gap: 8px; font-size: 13.5px; margin-bottom: 8px; }
.btn-clear-filters { display: block; text-align: center; margin-top: 10px; font-size: 12.5px; text-decoration: underline; color: var(--color-text-muted); }

.category-toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; font-size: 13px; color: var(--color-text-muted); }
.sort-form select { padding: 8px 10px; border: 1px solid var(--color-border); border-radius: var(--radius); font-size: 13px; }

.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 30px; }
.pagination a { width: 34px; height: 34px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--color-border); border-radius: var(--radius); font-size: 13px; }
.pagination a.active { background: var(--color-text); color: #fff; border-color: var(--color-text); }

.empty-state { text-align: center; padding: 60px 20px; color: var(--color-text-muted); }

/* ---------- Product detail ---------- */
.product-detail { max-width: var(--container-max); margin: 0 auto; padding: 10px 16px 40px; display: block; }
.product-gallery-main { aspect-ratio: 4/5; background: var(--color-bg-alt); overflow: hidden; border-radius: var(--radius); }
.product-gallery-main img { width: 100%; height: 100%; object-fit: cover; cursor: zoom-in; transition: transform 0.3s; }
.product-gallery-main img.zoomed { transform: scale(1.6); cursor: zoom-out; }
.product-gallery-thumbs { display: flex; gap: 8px; margin-top: 10px; overflow-x: auto; }
.thumb-btn { flex-shrink: 0; width: 60px; aspect-ratio: 4/5; border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; background: none; padding: 0; }
.thumb-btn.active { border-color: var(--color-text); }
.thumb-btn img { width: 100%; height: 100%; object-fit: cover; }

.product-info { padding-top: 24px; }
.product-info-cat { font-size: 12px; color: var(--color-text-muted); text-transform: uppercase; }
.product-info h1 { font-size: 22px; margin: 6px 0 12px; font-weight: 600; }
.product-info-price { font-size: 20px; font-weight: 700; margin-bottom: 14px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.product-info-short { color: var(--color-text-muted); font-size: 14px; margin-bottom: 16px; }

.variant-group { margin-bottom: 16px; }
.variant-group label { display: block; font-size: 12.5px; font-weight: 600; text-transform: uppercase; margin-bottom: 8px; }
.variant-options { display: flex; flex-wrap: wrap; gap: 8px; }
.variant-chip { padding: 8px 16px; border: 1px solid var(--color-border); border-radius: 20px; font-size: 13px; background: #fff; }
.variant-chip.active { background: var(--color-text); color: #fff; border-color: var(--color-text); }

.product-info-meta { margin-top: 20px; border-top: 1px solid var(--color-border); padding-top: 16px; }
.product-info-meta li { font-size: 13px; color: var(--color-text-muted); margin-bottom: 6px; }

.product-info-accordion { margin-top: 20px; }
.product-info-accordion details { border-bottom: 1px solid var(--color-border); padding: 14px 0; }
.product-info-accordion summary { font-weight: 600; font-size: 14px; cursor: pointer; }
.product-info-accordion div { margin-top: 10px; font-size: 13.5px; color: var(--color-text-muted); }

/* ---------- Static / search / error pages ---------- */
.static-page, .search-results-page { max-width: 760px; margin: 0 auto; padding: 30px 16px 50px; }
.static-page h1, .search-results-page h1 { font-size: 22px; margin-bottom: 16px; }
.static-page-content { font-size: 14px; color: var(--color-text-muted); line-height: 1.8; }
.error-page { text-align: center; padding: 100px 20px; }
.error-page h1 { font-size: 60px; }

/* ---------- Skeleton / toast ---------- */
.skeleton { background: linear-gradient(90deg, #f0efec 25%, #f7f6f4 37%, #f0efec 63%); background-size: 400% 100%; animation: skeleton-loading 1.4s ease infinite; }
@keyframes skeleton-loading { 0% { background-position: 100% 50%; } 100% { background-position: 0 50%; } }
.toast { position: fixed; bottom: 90px; left: 50%; transform: translateX(-50%) translateY(20px); background: var(--color-text); color: #fff; padding: 12px 20px; border-radius: 30px; font-size: 13px; opacity: 0; pointer-events: none; transition: all 0.3s; z-index: 300; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* =====================================================
   Tablet & Desktop (Mobile-first genişleme)
   ===================================================== */
@media (min-width: 768px) {
  .category-grid { grid-template-columns: repeat(4, 1fr); }
  .product-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .instagram-grid { grid-template-columns: repeat(6, 1fr); }
  .trust-bar-inner { grid-template-columns: repeat(4, 1fr); }
  .footer-inner { grid-template-columns: repeat(4, 1fr); }
  .hero-slide { aspect-ratio: 21/9; }
  .hero-slide-content h1 { font-size: 34px; }
  .product-detail { display: grid; grid-template-columns: 1.1fr 1fr; gap: 50px; }
  .category-page-body { display: grid; grid-template-columns: 260px 1fr; gap: 30px; }
  .filters-sidebar { position: static; width: auto; box-shadow: none; padding: 0; }
  .mobile-filter-toggle { display: none; }
}

@media (min-width: 1024px) {
  .mobile-menu-toggle, .mobile-nav, .mobile-nav-overlay { display: none; }
  .main-nav { display: block; }
  .whatsapp-btn-header { display: flex; }
  .product-grid { grid-template-columns: repeat(4, 1fr); }
  .header-inner { padding: 16px 24px; }
  .section { padding: 60px 24px; }
}