/* ==========================================================================
   FOLDSCOPE TÜRKİYE - ULTRA-CLEAN & BRIGHT STEM EDUCATIONAL THEME
   Tasarım Konsepti: Açık, Şeffaf, Eğitici, Beyaz, Canlı Mavi & Taze STEM Yeşili
   Hedef Kitle: Öğrenciler, Veliler, Fen Öğretmenleri, Okul Yöneticileri
   ========================================================================== */

:root {
  /* Renk Paleti - Aydınlık, Ferah, Güvenilir STEM */
  --bg-primary: #ffffff;
  --bg-surface: #f8fafc;
  --bg-subtle: #f1f5f9;
  --bg-tint-blue: #f0f9ff;
  --bg-tint-green: #f0fdf4;
  --bg-card: #ffffff;
  --bg-card-hover: #f8fafc;

  /* Ana Marka Renkleri */
  --blue-primary: #0284c7;     /* Bilim & Optik Cam Mavisi */
  --blue-dark: #0369a1;        /* Koyu Kontrast Mavi */
  --blue-light: #e0f2fe;       /* Pastel Mavi Zemin */
  --green-stem: #10b981;       /* Taze Doğa & Biyoloji Yeşili */
  --green-dark: #059669;       /* Koyu Canlı Yeşil */
  --green-light: #d1fae5;      /* Pastel Yeşil Zemin */
  --amber-action: #0284c7;     /* Kurumsal Stanford Mavi */
  --amber-dark: #0369a1;       /* Koyu Stanford Mavi */
  --red-accent: #ef4444;       /* Uyarı ve İndirim */

  /* Tipografi & Kontrast */
  --text-primary: #0f172a;     /* Okunabilir Koyu Slate (Asla Soluk Değil) */
  --text-secondary: #334155;   /* Gövde Metni */
  --text-muted: #64748b;       /* İkincil Bilgiler */
  --text-light: #94a3b8;       /* Pasif Açıklamalar */
  --text-white: #ffffff;       /* Buton İçi Beyaz */

  /* Sınırlar & Gölgeler */
  --border-light: #e2e8f0;
  --border-focus: #38bdf8;
  --border-green: #a7f3d0;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.03);
  --shadow-colored: 0 12px 24px -6px rgba(2, 132, 199, 0.2);

  /* Font & Geçişler */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-primary);
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-secondary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ==========================================================================
   1. ÜST BANT (TOP BAR) - SELİM ÇELİK SİYAH/KURUMSAL BANT STANDARDI
   ========================================================================== */
.top-bar {
  background: #090f1d;
  color: #94a3b8;
  font-size: 12.5px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  z-index: 1002;
}

.top-bar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  white-space: nowrap;
  flex-wrap: nowrap;
}

.top-bar-left {
  display: flex;
  align-items: center;
  gap: 14px;
  font-weight: 500;
}

.top-badge-stem {
  background: rgba(2, 132, 199, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.3);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  transition: all 0.2s ease;
}

.top-badge-stem:hover {
  background: rgba(2, 132, 199, 0.25);
  color: #7dd3fc;
}

.top-seo-link {
  color: #cbd5e1;
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  transition: color 0.2s ease;
}

.top-seo-link:hover {
  color: #38bdf8;
}

.top-sep {
  color: #475569;
  margin: 0 4px;
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 18px;
}

.top-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #cbd5e1;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s ease;
}

.top-link:hover {
  color: #38bdf8;
}

.top-admin-badge {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #cbd5e1;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  text-decoration: none;
  transition: all 0.2s ease;
}

.top-admin-badge:hover {
  background: #0284c7;
  color: #ffffff;
  border-color: #0284c7;
}

/* ==========================================================================
   2. ANA BAŞLIK (HEADER & NAVBAR) - ŞEFFAF BEYAZ & NET
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  z-index: 1000;
  box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.03);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  gap: 24px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-origami {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #cd2264 0%, #0284c7 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 22px;
  box-shadow: 0 6px 16px -2px rgba(2, 132, 199, 0.25);
}

.brand-text-col h1 {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  line-height: 1.1;
}

.brand-text-col h1 span {
  color: var(--blue-primary);
}

.brand-sub {
  font-size: 11px;
  font-weight: 700;
  color: var(--green-dark);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

/* Navigasyon Linkleri */
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
  color: var(--blue-primary);
  background: var(--blue-light);
}

/* Dropdown Menü (SEO Alt Sayfalar) */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 250px;
  background: #ffffff;
  border: 1.5px solid #e2e8f0;
  border-radius: 12px;
  box-shadow: 0 12px 30px -4px rgba(15, 23, 42, 0.12), 0 4px 10px -2px rgba(15, 23, 42, 0.05);
  padding: 6px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  gap: 2px;
  z-index: 1010;
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  padding: 9px 14px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 600;
  color: #334155;
  text-decoration: none;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.dropdown-item:hover {
  background: #f0f9ff;
  color: #0284c7;
  padding-left: 18px;
}


/* Header Butonları */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-header-cart {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #ffffff;
  border: 1.5px solid var(--border-light);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 700;
  padding: 10px 16px;
  border-radius: var(--radius-full);
  cursor: pointer;
}

.btn-header-cart:hover {
  border-color: var(--blue-primary);
  color: var(--blue-primary);
}

.cart-count-badge {
  background: var(--amber-action);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-header-order {
  background: linear-gradient(135deg, var(--green-stem), var(--green-dark));
  color: #ffffff;
  font-size: 14px;
  font-weight: 700;
  padding: 11px 22px;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
  white-space: nowrap;
}

.btn-header-order:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(16, 185, 129, 0.4);
}

/* ==========================================================================
   3. HERO BÖLÜMÜ - AYDINLIK, FERAH & DOĞAL BİLİM (MÜKEMMEL HİZALAMA)
   ========================================================================== */
.hero-section {
  position: relative;
  background: linear-gradient(180deg, #f0f9ff 0%, #ffffff 85%);
  padding: 60px 0 80px;
  overflow: hidden;
  border-bottom: 1px solid var(--border-light);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: stretch;
  gap: 48px;
  margin-bottom: 36px;
}

.hero-content {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.hero-badge-pill {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 8px;
  background: #ffffff;
  border: 1px solid #bae6fd;
  color: var(--blue-dark);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 18px;
  box-shadow: var(--shadow-sm);
}

.hero-title {
  font-size: 44px;
  font-weight: 900;
  color: var(--text-primary);
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 18px;
}

.hero-title span.highlight-blue {
  color: var(--blue-primary);
}

.hero-title span.highlight-green,
.hero-title span.highlight-ruby {
  color: #cd2264;
}

.hero-desc {
  font-size: 16.5px;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 24px;
  max-width: 600px;
}

.hero-feature-list {
  list-style: none;
  padding: 0;
  margin: 0 0 28px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hero-feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14.5px;
  font-weight: 700;
  color: #334155;
}

.hero-feature-icon {
  width: 22px;
  height: 22px;
  color: #0284c7;
  flex-shrink: 0;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: auto;
  margin-bottom: 16px;
}

.btn-hero-primary {
  flex: 1;
  justify-content: center;
  text-align: center;
  white-space: nowrap;
  padding: 16px 26px;
  font-size: 15.5px;
}

.btn-hero-secondary {
  flex: 1;
  justify-content: center;
  text-align: center;
  white-space: nowrap;
  padding: 16px 26px;
  font-size: 15.5px;
  background: #ffffff;
  border: 2px solid #e2e8f0;
  color: #0f172a;
}

.btn-hero-secondary:hover {
  background: #f0f9ff;
  color: #0284c7;
  border-color: #0284c7;
}

.btn-primary-action {
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  color: #ffffff;
  font-size: 16px;
  font-weight: 800;
  padding: 16px 32px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 8px 20px -4px rgba(2, 132, 199, 0.35);
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary-action:hover {
  background: linear-gradient(135deg, #0369a1 0%, #075985 100%);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px -4px rgba(2, 132, 199, 0.45);
}

.btn-secondary-action {
  background: #ffffff;
  border: 2px solid var(--border-light);
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 700;
  padding: 14px 24px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
  text-decoration: none;
}

.btn-secondary-action:hover {
  border-color: var(--blue-primary);
  color: var(--blue-primary);
  background: var(--blue-light);
}

/* Canlı Simülatör Alt Şeridi */
.hero-simulator-banner {
  margin-bottom: 0;
  width: 100%;
}

.hero-sim-trigger {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  gap: 10px;
  font-size: 14px;
  color: #0369a1;
  background: #f0f9ff;
  border: 1.5px solid #bae6fd;
  padding: 13px 24px;
  border-radius: var(--radius-full);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.2s ease;
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.06);
}

.hero-sim-trigger:hover {
  background: #e0f2fe;
  border-color: #0284c7;
  color: #0284c7;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(2, 132, 199, 0.12);
}

.sim-pulse-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #cd2264;
  box-shadow: 0 0 0 0 rgba(205, 34, 100, 0.7);
  animation: simPulseRuby 2s infinite;
  flex-shrink: 0;
}

@keyframes simPulseRuby {
  0% { box-shadow: 0 0 0 0 rgba(205, 34, 100, 0.7); }
  70% { box-shadow: 0 0 0 8px rgba(205, 34, 100, 0); }
  100% { box-shadow: 0 0 0 0 rgba(205, 34, 100, 0); }
}

/* Hero Görsel Vitrini */
.hero-visual-card {
  position: relative;
  background: #ffffff;
  border: 2px solid #e0f2fe;
  border-radius: 24px;
  padding: 14px;
  box-shadow: 0 20px 45px -15px rgba(2, 132, 199, 0.18);
  transition: transform 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.hero-visual-card:hover {
  transform: translateY(-4px);
}

.hero-top-badge {
  position: absolute;
  top: 26px;
  right: 26px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  border: 1px solid #bae6fd;
  color: #0369a1;
  font-size: 12px;
  font-weight: 800;
  padding: 6px 14px;
  border-radius: 20px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  z-index: 3;
}

.hero-visual-card img {
  border-radius: 18px;
  width: 100%;
  height: 100%;
  min-height: 440px;
  object-fit: cover;
  object-position: center top;
  display: block;
  flex-grow: 1;
}

.hero-floating-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  right: 24px;
  background: rgba(15, 23, 42, 0.88);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 14px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.35);
  color: #ffffff;
}

.hero-floating-badge .badge-icon {
  width: 36px;
  height: 36px;
  background: rgba(56, 189, 248, 0.2);
  border: 1px solid rgba(56, 189, 248, 0.4);
  color: #38bdf8;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  flex-shrink: 0;
}

.hero-floating-badge .badge-text strong {
  display: block;
  font-size: 13.5px;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 2px;
}

.hero-floating-badge .badge-text span {
  font-size: 12px;
  color: #cbd5e1;
  line-height: 1.4;
  display: block;
}

/* Hero Tam Genişlik İstatistik Şeridi (Ortalı & Dengeli) */
.hero-stats-bar,
.hero-stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: #ffffff;
  border: 1.5px solid #e0f2fe;
  border-radius: 20px;
  padding: 24px 32px;
  box-shadow: 0 10px 30px -10px rgba(2, 132, 199, 0.08);
  margin-top: 16px;
  width: 100%;
}

.hero-stat-card,
.hero-stat-item {
  text-align: center;
  position: relative;
  padding: 0 16px;
}

.hero-stat-card:not(:last-child)::after,
.hero-stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 15%;
  height: 70%;
  width: 1px;
  background: #e2e8f0;
}

.stat-num-wrap strong,
.hero-stat-item strong {
  display: block;
  font-size: 32px;
  font-weight: 900;
  color: #0284c7;
  line-height: 1.1;
  letter-spacing: -0.5px;
}

.stat-label,
.hero-stat-item span {
  display: block;
  font-size: 13.5px;
  font-weight: 700;
  color: #475569;
  margin-top: 6px;
  letter-spacing: -0.2px;
}

@media (max-width: 860px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .hero-stats-bar,
  .hero-stats-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    padding: 20px;
  }
  .hero-stat-card:nth-child(2)::after,
  .hero-stat-item:nth-child(2)::after {
    display: none;
  }
}

@media (max-width: 540px) {
  .hero-stats-bar,
  .hero-stats-row {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .hero-stat-card::after,
  .hero-stat-item::after {
    display: none !important;
  }
}


/* ==========================================================================
   4. BÖLÜM STANDARTLARI (SELİM ÇELİK NOWRAP BAŞLIK STANDARDI)
   ========================================================================== */
.section {
  padding: 70px 0;
  position: relative;
}

.section-bg-surface {
  background: var(--bg-surface);
}

.section-bg-tint {
  background: linear-gradient(180deg, #f0f9ff 0%, #ffffff 100%);
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-tag {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 800;
  color: #0284c7;
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 12px;
}

.section-title {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  white-space: nowrap; /* Selim Çelik Standardı */
  margin-bottom: 12px;
}

.section-desc {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto;
  white-space: nowrap; /* Selim Çelik Standardı */
}

/* ==========================================================================
   5. SEO HEDEF KELİME KARTLARI (8 ADET ALT SAYFA KILAVUZU)
   ========================================================================== */
.seo-clusters-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.seo-cluster-card {
  background: #ffffff;
  border: 1.5px solid #e2e8f0;
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.04);
  transition: all 0.25s ease;
  text-decoration: none;
  color: inherit;
  padding: 0;
}

.seo-cluster-card:hover {
  transform: translateY(-4px);
  border-color: #0284c7;
  box-shadow: 0 12px 26px -4px rgba(2, 132, 199, 0.15);
}

.cluster-card-media {
  position: relative;
  width: 100%;
  height: 180px;
  overflow: hidden;
  background: #f8fafc;
}

.cluster-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.seo-cluster-card:hover .cluster-card-media img {
  transform: scale(1.04);
}

.cluster-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(2, 132, 199, 0.92);
  backdrop-filter: blur(4px);
  color: #ffffff;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.cluster-card-body {
  padding: 16px 18px 18px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.cluster-title {
  font-size: 15.5px;
  font-weight: 800;
  color: #0f172a;
  margin: 0 0 6px 0;
  line-height: 1.3;
}

.cluster-desc {
  font-size: 12.5px;
  color: #64748b;
  line-height: 1.5;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

@media (max-width: 1024px) {
  .seo-clusters-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .seo-clusters-grid {
    grid-template-columns: 1fr;
  }
}


/* ==========================================================================
   6. HİZMET / ÖZELLİK VİTRİNİ (4'LÜ SİMETRİK GRID)
   ========================================================================== */
.features-section {
  padding: 64px 0 58px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.feature-box {
  background: #ffffff;
  border: 1.5px solid #e2e8f0;
  border-radius: 18px;
  padding: 30px 22px 26px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  height: 100%;
  position: relative;
}

.feature-box:hover {
  transform: translateY(-5px);
  border-color: #0284c7;
  box-shadow: 0 16px 32px -6px rgba(2, 132, 199, 0.16);
}

.feature-box .fb-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}

.fb-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.feature-box:hover .fb-icon-wrap {
  transform: scale(1.05);
}

.fb-icon-blue {
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
  border: 1.5px solid #bae6fd;
  color: #0284c7;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.12);
}

.fb-icon-ruby {
  background: linear-gradient(135deg, #fdf2f8 0%, #fce7f3 100%);
  border: 1.5px solid #fbcfe8;
  color: #cd2264;
  box-shadow: 0 4px 12px rgba(205, 34, 100, 0.12);
}

.fb-meta-tag {
  display: none;
}

.feature-box h3 {
  font-size: 16px;
  font-weight: 800;
  color: #0f172a;
  line-height: 1.3;
  margin: 0;
  text-align: left;
}

.feature-box p {
  font-size: 13px;
  color: #475569;
  line-height: 1.5;
  margin: 0;
  text-align: left;
  display: -webkit-box;
  -webkit-line-clamp: 2; /* Selim Çelik Standardı - En Fazla 2 Satır */
  -webkit-box-orient: vertical;
  overflow: hidden;
  height: 39px;
}


/* ==========================================================================
   7. ÜRÜN KARTLARI (ANASAYFA 3x2 SİMETRİSİ & FİYAT ROZETLERİ)
   ========================================================================== */
#urunler {
  padding: 42px 0 36px;
}

#urunler .section-header {
  margin-bottom: 22px;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

#urunler .product-card {
  background: #ffffff;
  border: 1.5px solid #e2e8f0;
  border-radius: 14px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.03);
  transition: all 0.25s ease;
  position: relative;
}

#urunler .product-card:hover {
  transform: translateY(-3px);
  border-color: #0284c7;
  box-shadow: 0 10px 22px -4px rgba(2, 132, 199, 0.14);
}

#urunler .product-price-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: #0284c7;
  color: #ffffff;
  font-size: 12px;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 6px;
  z-index: 3;
  box-shadow: 0 3px 8px rgba(2, 132, 199, 0.25);
  line-height: 1.2;
  letter-spacing: -0.2px;
  white-space: nowrap;
}

#urunler .product-img-wrap {
  width: 100%;
  height: 140px;
  background: #ffffff;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-bottom: 10px;
  position: relative;
  border: 1px solid #f1f5f9;
}

#urunler .product-img-wrap img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
}

#urunler .product-card:hover .product-img-wrap img {
  transform: scale(1.04);
}

#urunler .product-info {
  display: flex;
  flex-direction: column;
  margin-bottom: 10px;
}

#urunler .product-info h3 {
  font-size: 14.5px;
  font-weight: 800;
  color: #0f172a;
  line-height: 1.3;
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#urunler .product-actions {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 8px;
  margin-top: 0;
}

#urunler .btn-card-buy {
  background: #0284c7;
  color: #ffffff;
  border: none;
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 12.5px;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  transition: all 0.2s ease;
}

#urunler .btn-card-buy:hover {
  background: #0369a1;
}

#urunler .btn-card-detail {
  background: #f0f9ff;
  color: #0284c7;
  border: 1px solid #bae6fd;
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 12.5px;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

#urunler .btn-card-detail:hover {
  background: #e0f2fe;
}
@media (max-width: 900px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 580px) {
  .products-grid {
    grid-template-columns: 1fr;
  }
}


/* ==========================================================================
   VİDEO OYNATMA LİSTESİ (ANASAYFA VİDEOLU KURULUM REHBERİ)
   ========================================================================== */
.video-playlist-item {
  background: #ffffff;
  border: 1.5px solid #e2e8f0;
  border-radius: 12px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

.video-playlist-item:hover {
  border-color: #0284c7;
  background: #f0f9ff;
  transform: translateX(3px);
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.08);
}

.video-playlist-item.active {
  background: #f0f9ff;
  border-color: #0284c7;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.12);
}

.video-playlist-item .vpi-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: #e0f2fe;
  color: #0284c7;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.video-playlist-item:hover .vpi-icon,
.video-playlist-item.active .vpi-icon {
  background: #0284c7;
  color: #ffffff;
}

.video-playlist-item .vpi-info {
  flex-grow: 1;
  min-width: 0;
}

.video-playlist-item .vpi-title {
  display: block;
  font-size: 14px;
  font-weight: 800;
  color: #0f172a;
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.video-playlist-item.active .vpi-title {
  color: #0369a1;
}

.video-playlist-item .vpi-meta {
  display: block;
  font-size: 12px;
  color: #64748b;
  margin-top: 2px;
}


/* ==========================================================================
   8. 140X İNTERAKTİF SİMÜLATÖR (MİKROSKOP DENEYİMİ)
   ========================================================================== */
.sim-container {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-lg);
}

.sim-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.sim-tab-btn {
  background: var(--bg-surface);
  border: 1.5px solid var(--border-light);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 700;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition);
}

.sim-tab-btn:hover, .sim-tab-btn.active {
  background: var(--blue-primary);
  color: #fff;
  border-color: var(--blue-primary);
}

.sim-view-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: center;
}

.sim-view-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 16px;
  text-align: center;
}

.sim-view-box h4 {
  font-size: 14px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.sim-view-box img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
}

/* ==========================================================================
   9. OKUL ETKİNLİKLERİ & BASIN (GERÇEK ETKİNLİKLER)
   ========================================================================== */
.events-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.event-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.event-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.event-card-img {
  width: 100%;
  height: 190px;
  object-fit: cover;
  background: var(--bg-surface);
}

.event-card-body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.event-date-badge {
  font-size: 11px;
  font-weight: 700;
  color: var(--blue-primary);
  background: var(--blue-light);
  display: inline-block;
  padding: 3px 8px;
  border-radius: 4px;
  margin-bottom: 10px;
  align-self: flex-start;
}

.event-card-body h3 {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.35;
  margin-bottom: 8px;
}

.event-card-body p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.event-more-link {
  margin-top: auto;
  font-size: 13px;
  font-weight: 700;
  color: var(--blue-primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ==========================================================================
   10. KUVEYT TÜRK & GÜVENLİ ÖDEME BİLGİ BANTLARI
   ========================================================================== */
.payment-trust-bar {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 40px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 14px;
}

.trust-item .icon {
  font-size: 26px;
  color: var(--green-dark);
}

.trust-item strong {
  display: block;
  font-size: 14px;
  color: var(--text-primary);
}

.trust-item span {
  font-size: 12px;
  color: var(--text-muted);
}

/* ==========================================================================
   11. FOOTER (GÜÇLÜ KURUMSAL & SELİM ÇELİK İMZA STANDARDI)
   ========================================================================== */
.site-footer {
  background: #090f1d;
  color: #94a3b8;
  padding: 68px 0 28px;
  border-top: 3px solid #0284c7;
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: -3px;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #cd2264 0%, #0284c7 100%);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 22px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  position: relative;
  padding-bottom: 10px;
  display: block;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 32px;
  height: 3px;
  background: linear-gradient(90deg, #0284c7, #38bdf8);
  border-radius: 2px;
}

.footer-col p {
  font-size: 13.5px;
  line-height: 1.65;
  color: #94a3b8;
  margin-bottom: 14px;
}

.footer-brand-badges {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin: 16px 0 14px;
}

.footer-brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  color: #38bdf8;
  background: rgba(2, 132, 199, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.25);
  padding: 5px 12px;
  border-radius: 6px;
  width: fit-content;
  letter-spacing: 0.2px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin: 0;
  list-style: none;
}

.footer-links a {
  font-size: 13.5px;
  font-weight: 500;
  color: #cbd5e1;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  transition: all 0.2s ease;
  padding: 3px 0;
}

.footer-bullet {
  color: #38bdf8;
  font-weight: 800;
  font-size: 16px;
  line-height: 1;
  transition: transform 0.2s ease, color 0.2s ease;
}

.footer-links a:hover {
  color: #ffffff;
  padding-left: 6px;
}

.footer-links a:hover .footer-bullet {
  color: #ffffff;
  transform: translateX(3px);
}

/* İletişim Kolonu Listesi */
.footer-contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 0;
  margin: 0;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13.5px;
  line-height: 1.5;
  color: #cbd5e1;
  padding: 4px 0;
}

.footer-contact-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 13px;
  flex-shrink: 0;
}

.footer-contact-label {
  color: #94a3b8;
  font-size: 12px;
  display: block;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.footer-contact-item a {
  color: #f1f5f9;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-contact-item a:hover {
  color: #38bdf8;
  text-decoration: underline;
}

/* Footer Alt Çubuk (Copyright & İmza) */
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12.5px;
  color: #64748b;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  margin: 0;
}

.footer-bottom a {
  color: #94a3b8;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-bottom a:hover {
  color: #38bdf8;
}

/* Selim Çelik İmza Standardı */
.footer-bottom a[href*="selimcelik.com.tr"],
.selim-celik-signature {
  font-weight: 700;
  color: #38bdf8 !important;
}

@media (max-width: 991px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }
}


/* ==========================================================================
   12. ALT SAYFA ORTAK ŞABLON STİLLERİ (BREADCRUMB & CONTENT)
   ========================================================================== */
.page-header-banner {
  background: linear-gradient(180deg, #f0f9ff 0%, #ffffff 100%);
  border-bottom: 1px solid var(--border-light);
  padding: 40px 0;
  text-align: center;
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.breadcrumb-nav a {
  color: var(--blue-primary);
}

.page-title {
  font-size: 34px;
  font-weight: 900;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.page-lead {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 1150px;
  margin: 8px auto 0 auto;
  line-height: 1.5;
  white-space: nowrap; /* Selim Çelik Standardı - Tek Satır */
}

@media (max-width: 991px) {
  .page-lead {
    white-space: normal;
  }
}

.article-content {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 26px 32px 36px;
  margin-bottom: 40px;
  box-shadow: var(--shadow-sm);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-secondary);
}

.article-content > :first-child,
.article-content > h1:first-child,
.article-content > h2:first-child,
.article-content > h3:first-child {
  margin-top: 0 !important;
}

.article-content h2 {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-primary);
  margin: 28px 0 14px;
}

.article-content h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 20px 0 10px;
}

.article-content p {
  margin-bottom: 16px;
}

.article-content ul, .article-content ol {
  margin: 14px 0 18px 24px;
}

.article-content li {
  margin-bottom: 8px;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 14px;
}

.comparison-table th, .comparison-table td {
  padding: 12px 16px;
  border: 1px solid var(--border-light);
  text-align: left;
}

.comparison-table th {
  background: var(--bg-surface);
  color: var(--text-primary);
  font-weight: 800;
}

.comparison-table tr:nth-child(even) td {
  background: #fcfcfc;
}

/* ==========================================================================
   13. RESPONSIVE DÜZEN
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; }
  .seo-clusters-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .events-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .top-bar-container { flex-direction: column; gap: 6px; }
  .header-container { height: auto; padding: 12px 0; flex-wrap: wrap; }
  .main-nav { display: none; }
  .hero-title { font-size: 30px; }
  .hero-stats-row { grid-template-columns: repeat(2, 1fr); }
  .seo-clusters-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .events-grid { grid-template-columns: 1fr; }
  .sim-view-grid { grid-template-columns: 1fr; }
  .payment-trust-bar { flex-direction: column; align-items: flex-start; }
  .footer-grid { grid-template-columns: 1fr; }
}


/* ==========================================================================
   ÜRÜNLER VE KATALOG STANDARTLARI (SELİM ÇELİK 4x5 SİMETRİSİ & SABİT 3 SATIR)
   ========================================================================== */

/* Kategori Filtreleme Barı */
.catalog-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  align-items: center;
  margin: 0 auto 36px auto;
  padding: 0 10px;
}

.cat-filter-btn {
  background: #ffffff;
  border: 1.5px solid #e2e8f0;
  color: #475569;
  padding: 9px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
  font-family: inherit;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
}

.cat-filter-btn:hover {
  border-color: #0284c7;
  color: #0284c7;
  background: #f0f9ff;
  transform: translateY(-1px);
}

.cat-filter-btn.active {
  background: #0284c7;
  border-color: #0284c7;
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.28);
}

.cat-filter-btn .cat-count {
  font-size: 11px;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: 12px;
  background: #f1f5f9;
  color: #64748b;
  transition: all 0.2s ease;
}

.cat-filter-btn:hover .cat-count {
  background: #e0f2fe;
  color: #0369a1;
}

.cat-filter-btn.active .cat-count {
  background: rgba(255, 255, 255, 0.25);
  color: #ffffff;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

@media (max-width: 1100px) {
  .catalog-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .catalog-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}

@media (max-width: 480px) {
  .catalog-grid {
    grid-template-columns: 1fr;
  }
}

/* Ürün Kartı Genel Yapısı */
.product-card {
  background: #ffffff;
  border: 1.5px solid #e2e8f0;
  border-radius: 16px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
  transition: all 0.25s ease;
  position: relative;
  height: 100%;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.09);
  border-color: #cbd5e1;
}

.product-img-wrap {
  width: 100%;
  height: 190px;
  background: #ffffff;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-bottom: 12px;
  position: relative;
  border: 1px solid #f1f5f9;
}

.product-img-wrap img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.product-card:hover .product-img-wrap img {
  transform: scale(1.04);
}

/* Zarif Floating Rozetler */
.product-badge-corner {
  position: absolute;
  top: 24px;
  left: 24px;
  z-index: 4;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 4px 9px;
  border-radius: 6px;
  line-height: 1.2;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  pointer-events: none;
  border: 1px solid transparent;
}

.badge-coksatan {
  background: #0f172a !important;
  color: #ffffff !important;
  border-color: #0f172a !important;
}

.badge-okul {
  background: #f0f9ff !important;
  color: #0284c7 !important;
  border-color: #bae6fd !important;
}

.badge-egitmen {
  background: #f0f9ff !important;
  color: #0369a1 !important;
  border-color: #bae6fd !important;
}

.badge-deney {
  background: #fdf2f8 !important;
  color: #cd2264 !important;
  border-color: #fbcfe8 !important;
}

.badge-stem {
  background: #f0f9ff !important;
  color: #0284c7 !important;
  border-color: #bae6fd !important;
}

.badge-lam {
  background: #f8fafc !important;
  color: #475569 !important;
  border-color: #cbd5e1 !important;
}

.badge-aksesuar {
  background: #f8fafc !important;
  color: #334155 !important;
  border-color: #cbd5e1 !important;
}

.product-info {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-info h3 {
  font-size: 14.5px;
  font-weight: 800;
  color: #0f172a;
  line-height: 1.35;
  margin: 0;
  height: 40px; /* Sabit 2 satır başlık yüksekliği */
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.product-info h3 a {
  color: #0f172a;
  text-decoration: none;
  transition: color 0.2s ease;
}

.product-info h3 a:hover {
  color: #0284c7;
}

/* Selim Çelik Standardı: En Fazla 2 Satır Açıklama */
.product-info p {
  font-size: 12.5px;
  color: #64748b;
  line-height: 1.5;
  margin: 8px 0 0 0;
  display: -webkit-box;
  -webkit-line-clamp: 2; /* Selim Çelik Standardı - En Fazla 2 Satır */
  -webkit-box-orient: vertical;
  overflow: hidden;
  height: 38px; /* Sabit 38px: 12.5px * 1.5 * 2 = tüm kartlarda milimetrik eşitlik */
}

.product-price-row {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid #f1f5f9;
}

.product-price {
  font-size: 18px;
  font-weight: 800;
  color: #0284c7;
  letter-spacing: -0.3px;
  text-align: center;
  width: 100%;
}
.product-stock-tag {
  font-size: 11px;
  font-weight: 700;
  color: #0369a1;
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  padding: 3px 8px;
  border-radius: 6px;
}

.product-actions {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 8px;
  margin-top: 10px;
}

.btn-card-buy {
  background: #0284c7;
  color: #ffffff;
  font-size: 12.5px;
  font-weight: 800;
  padding: 9px 10px;
  border-radius: 8px;
  text-align: center;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  font-family: inherit;
  transition: all 0.2s ease;
  box-shadow: 0 3px 10px rgba(2, 132, 199, 0.22);
}

.btn-card-buy:hover {
  background: #0369a1;
  box-shadow: 0 6px 14px rgba(2, 132, 199, 0.32);
}

.btn-card-detail {
  background: #f8fafc;
  border: 1px solid #cbd5e1;
  color: #334155;
  font-size: 12px;
  font-weight: 700;
  padding: 9px 10px;
  border-radius: 8px;
  text-align: center;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.btn-card-detail:hover {
  background: #f1f5f9;
  border-color: #94a3b8;
  color: #0f172a;
}

/* Top Bar Ek Yardımcı Stiller */
.top-seo-link {
  color: #cbd5e1;
  text-decoration: none;
  transition: color 0.2s ease;
}

.top-seo-link:hover {
  color: #ffffff;
}

.top-sep {
  color: #475569;
  margin: 0 4px;
}

.site-logo-img {
  height: 38px;
  width: auto;
  display: block;
}

/* Video Player Wrap Stilleri */
.video-player-wrap {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  background: #0f172a;
  cursor: pointer;
  border-radius: 16px 16px 0 0;
  overflow: hidden;
}

.video-poster-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.video-player-wrap:hover .video-poster-img {
  transform: scale(1.02);
}

.video-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 68px;
  height: 48px;
  z-index: 2;
  transition: transform 0.2s ease, filter 0.2s ease;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.4));
}

.video-player-wrap:hover .video-play-btn {
  transform: translate(-50%, -50%) scale(1.1);
  filter: drop-shadow(0 6px 16px rgba(2, 132, 199, 0.6));
}


/* ==========================================================================
   8. ÜRÜN DETAY SAYFASI (GALERİ VE TAB SİSTEMİ - SELİM ÇELİK STANDARDI)
   ========================================================================== */

/* Sayfa Üst Başlık & Breadcrumb */
.page-header-banner {
  background: #f8fafc;
  border-bottom: 1px solid #e2e8f0;
  padding: 20px 0;
  margin-bottom: 24px;
}

.page-header-banner + .section {
  padding-top: 0;
}

.breadcrumb-nav {
  font-size: 13px;
  color: #64748b;
  margin-bottom: 8px;
}

.breadcrumb-nav a {
  color: #0284c7;
  text-decoration: none;
}

.breadcrumb-nav a:hover {
  text-decoration: underline;
}

.breadcrumb-nav span {
  color: #94a3b8;
  margin: 0 4px;
}

.page-title {
  font-size: 26px;
  font-weight: 800;
  color: #0f172a;
  line-height: 1.3;
  margin: 0;
}

/* 2 Sütunlu Satın Alma & Galeri Izgarası */
.product-buy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: stretch;
  margin-bottom: 48px;
}

/* Sol Sütun: Görsel Galerisi */
.product-gallery-card {
  background: #ffffff;
  border: 1.5px solid #e2e8f0;
  border-radius: 20px;
  padding: 28px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  box-sizing: border-box;
}

.product-main-img-wrap {
  width: 100%;
  height: 330px;
  flex: 1;
  border-radius: 14px;
  overflow: hidden;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border: 1px solid #f1f5f9;
  margin-bottom: 16px;
}

.product-main-img-wrap img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.product-main-img-wrap:hover img {
  transform: scale(1.03);
}

/* Küçük Önizleme Resimleri (Thumbnail Strip) */
.product-thumbnails-strip {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 2px;
  margin-bottom: 0;
  scrollbar-width: thin;
  scrollbar-color: #cbd5e1 #f1f5f9;
}

.product-thumbnails-strip::-webkit-scrollbar {
  height: 6px;
}

.product-thumbnails-strip::-webkit-scrollbar-track {
  background: #f1f5f9;
  border-radius: 10px;
}

.product-thumbnails-strip::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 10px;
}

.product-thumb-item {
  width: 68px;
  height: 68px;
  flex-shrink: 0;
  border-radius: 10px;
  border: 2px solid #e2e8f0;
  overflow: hidden;
  cursor: pointer;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  transition: all 0.2s ease;
}

.product-thumb-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.product-thumb-item:hover {
  border-color: #0284c7;
  transform: translateY(-2px);
}

.product-thumb-item.active {
  border-color: #0284c7;
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.22);
  transform: scale(1.02);
}

/* 4'lü Güven Rozetleri (Sol Kolon Altı) */
.trust-mini-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid #f1f5f9;
}

.trust-mini-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: #475569;
}

.trust-mini-item .icon {
  font-size: 18px;
}

.trust-mini-item strong {
  display: block;
  font-size: 12.5px;
  color: #0f172a;
  font-weight: 700;
  line-height: 1.25;
}

.trust-mini-item span {
  font-size: 11px;
  color: #64748b;
}

/* Sağ Sütun: Satın Alma & Detay Kartı */
.product-info-card {
  background: #ffffff;
  border: 1.5px solid #e2e8f0;
  border-radius: 20px;
  padding: 28px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  box-sizing: border-box;
}

.product-badge-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.product-page-title {
  font-size: 24px;
  font-weight: 800;
  color: #0f172a;
  line-height: 1.35;
  margin: 0 0 16px 0;
}

/* Öne Çıkan Madde Listesi */
.product-highlights-list {
  list-style: none;
  padding: 0;
  margin: 0 0 20px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.product-highlights-list li {
  display: flex;
  align-items: center;
  gap: 12px;
}

.highlight-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.highlight-title,
.highlight-text strong {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: #0f172a;
  line-height: 1.3;
}

.highlight-text span {
  display: none !important;
}

/* Fiyat Kutusu */
.product-price-box {
  background: #f8fafc;
  border: 1.5px solid #e2e8f0;
  border-radius: 14px;
  padding: 16px 18px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  flex-wrap: wrap;
  gap: 12px;
}

.price-left {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 100%;
}

.price-sub-label {
  display: none !important;
  font-size: 11px;
  text-transform: uppercase;
  font-weight: 700;
  color: #64748b;
  letter-spacing: 0.3px;
  margin-bottom: 4px;
}

.price-val-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.price-main {
  font-size: 28px;
  font-weight: 900;
  color: #0284c7;
  letter-spacing: -0.5px;
  line-height: 1;
}

.price-vat-badge {
  font-size: 11px;
  font-weight: 700;
  color: #64748b;
  background: #ffffff;
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid #e2e8f0;
}

.price-vat-sub {
  font-size: 12px;
  font-weight: 600;
  color: #64748b;
  margin-top: 4px;
  line-height: 1.2;
}

.product-stock-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 700;
  color: #059669;
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  padding: 6px 14px;
  border-radius: 20px;
  white-space: nowrap;
}

.stock-dot {
  width: 8px;
  height: 8px;
  background: #10b981;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.price-right-badges {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.price-badge-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  font-weight: 700;
  color: #0369a1;
  background: #f0f9ff;
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid #bae6fd;
}

/* Adet ve Sepete Ekle Buton Satırı */
.product-action-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 12px;
  margin-bottom: 12px;
}

.qty-control-box {
  display: flex;
  align-items: center;
  background: #f1f5f9;
  border: 1.5px solid #cbd5e1;
  border-radius: 12px;
  overflow: hidden;
}

.qty-btn {
  width: 38px;
  height: 48px;
  border: none;
  background: transparent;
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
  color: #0f172a;
  transition: background 0.2s;
}

.qty-btn:hover {
  background: #e2e8f0;
}

.qty-val {
  width: 44px;
  height: 48px;
  border: none;
  background: transparent;
  text-align: center;
  font-size: 16px;
  font-weight: 800;
  color: #0f172a;
}

.btn-add-to-cart {
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  color: #ffffff;
  border: none;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.3);
  transition: all 0.2s;
  height: 48px;
}

.btn-add-to-cart:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(2, 132, 199, 0.4);
}

.btn-buy-now-direct {
  background: #0f172a;
  color: #ffffff;
  border: none;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  text-decoration: none;
  padding: 13px;
  margin-bottom: 10px;
  transition: all 0.2s;
}

.btn-buy-now-direct:hover {
  background: #1e293b;
  transform: translateY(-1px);
}

.btn-whatsapp-quote {
  background: #f0fdf4;
  color: #15803d;
  border: 1.5px solid #a7f3d0;
  border-radius: 12px;
  font-size: 13.5px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  text-decoration: none;
  padding: 11px;
  transition: all 0.2s;
}

.btn-whatsapp-quote:hover {
  background: #dcfce7;
}

/* ==========================================================================
   SEKMELER (TABS SİSTEMİ)
   ========================================================================== */
.product-tabs-container {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  margin-top: 36px;
}

.product-tab-nav {
  display: flex;
  background: #f8fafc;
  border-bottom: 2px solid #e2e8f0;
  overflow-x: auto;
  scrollbar-width: none;
  position: relative;
}

.product-tab-nav::-webkit-scrollbar {
  display: none;
}

.p-tab-btn {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px; /* Alttaki 2px çizgiyle tam milimetrik oturur, dikey atlama yapmaz */
  padding: 16px 24px;
  font-size: 14.5px;
  font-weight: 700;
  color: #64748b;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-sizing: border-box;
}

.p-tab-btn:hover {
  color: #0284c7;
  background: #f0f9ff;
}

.p-tab-btn.active {
  color: #0284c7;
  background: #ffffff;
  border-bottom: 2px solid #0284c7;
  font-weight: 700; /* Kesinlikle 700: Font kalınlaşması kaynaklı genişleme ve piksel oynaması (layout shift) engellendi */
}

.p-tab-pane {
  display: none;
  padding: 32px 30px;
  line-height: 1.75;
  color: #334155;
}

.p-tab-pane.active {
  display: block;
  animation: fadeInTab 0.25s ease;
}

@keyframes fadeInTab {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.p-tab-pane h2,
.p-tab-pane h3 {
  color: #0f172a;
  margin-top: 24px;
  margin-bottom: 12px;
  font-weight: 800;
}

.p-tab-pane p {
  margin-bottom: 16px;
}

.p-tab-pane ul,
.p-tab-pane ol {
  padding-left: 22px;
  margin-bottom: 20px;
}

.p-tab-pane li {
  margin-bottom: 8px;
}

.p-tab-pane table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}

.p-tab-pane th,
.p-tab-pane td {
  padding: 12px 16px;
  border: 1px solid #e2e8f0;
  text-align: left;
  font-size: 13.5px;
}

.p-tab-pane th {
  background: #f8fafc;
  color: #0f172a;
  font-weight: 700;
}

/* Sekme İçi Galeri Grid (22 Görsel Izgarası) */
.product-gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 16px;
}

.gallery-photo-card {
  background: #ffffff;
  border: 1.5px solid #e2e8f0;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  position: relative;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  transition: all 0.25s ease;
}

.gallery-photo-card img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.gallery-photo-card:hover {
  border-color: #0284c7;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(2, 132, 199, 0.15);
}

.gallery-photo-card:hover img {
  transform: scale(1.04);
}

.gallery-photo-card::after {
  content: '🔍';
  position: absolute;
  top: 10px;
  right: 10px;
  width: 32px;
  height: 32px;
  background: rgba(15, 23, 42, 0.75);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  opacity: 0;
  transition: opacity 0.2s ease;
  pointer-events: none;
}

.gallery-photo-card:hover::after {
  opacity: 1;
}

.gallery-photo-hint {
  display: none !important;
}

/* Responsive Düzenlemeler */
@media (max-width: 960px) {
  .product-buy-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .product-gallery-card {
    position: static;
  }

  .product-main-img-wrap {
    height: 340px;
  }

  .product-gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 640px) {
  .product-main-img-wrap {
    height: 280px;
  }

  .product-gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-action-row {
    grid-template-columns: 1fr;
  }

  .p-tab-btn {
    padding: 12px 16px;
    font-size: 13.5px;
  }

  .p-tab-pane {
    padding: 20px 16px;
  }
}


/* Guide Article Rich Media Styles */
.article-figure {
  margin: 24px 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  background: #ffffff;
}

.article-figure img {
  width: 100%;
  max-height: 400px;
  object-fit: cover;
  display: block;
}

.article-figcaption {
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  text-align: center;
  background: var(--bg-alt);
  border-top: 1px solid var(--border-light);
}

.article-img-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 24px 0;
}

.article-img-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.article-img-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.article-img-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

.article-img-card-caption {
  padding: 10px 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
  background: var(--bg-alt);
  border-top: 1px solid var(--border-light);
}

@media (max-width: 640px) {
  .article-img-grid {
    grid-template-columns: 1fr;
  }
}

/* Corporate Sidebar Guide Navigation */
.sidebar-guide-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 0;
  margin: 0 0 20px 0;
}

.sidebar-guide-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  background: #ffffff;
  border: 1.5px solid #e2e8f0;
  border-radius: 12px;
  text-decoration: none;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
  position: relative;
}

.sidebar-guide-link .guide-icon {
  width: 32px;
  height: 32px;
  padding: 6px;
  border-radius: 8px;
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  color: #0284c7;
  flex-shrink: 0;
  transition: all 0.25s ease;
  box-sizing: border-box;
}

.sidebar-guide-link span {
  font-size: 14.5px;
  font-weight: 700;
  color: #1e293b;
  line-height: 1.35;
  transition: color 0.2s ease;
}

.sidebar-guide-link::after {
  content: '›';
  margin-left: auto;
  font-size: 20px;
  font-weight: 700;
  color: #94a3b8;
  line-height: 1;
  transition: transform 0.25s ease, color 0.25s ease;
}

/* HOVER DURUMU: KART BELİRGİNLEŞİR, ÖNE ÇIKAR */
.sidebar-guide-link:hover {
  background: #f0f9ff;
  border-color: #0284c7;
  transform: translateX(6px);
  box-shadow: 0 6px 16px rgba(2, 132, 199, 0.16);
}

.sidebar-guide-link:hover .guide-icon {
  background: #0284c7;
  border-color: #0284c7;
  color: #ffffff;
  transform: scale(1.08);
}

.sidebar-guide-link:hover span {
  color: #0284c7;
}

.sidebar-guide-link:hover::after {
  color: #0284c7;
  transform: translateX(4px);
}

/* AKTİF SAYFA DURUMU */
.sidebar-guide-link.active {
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  border-color: #0284c7;
  box-shadow: 0 6px 18px rgba(2, 132, 199, 0.3);
}

.sidebar-guide-link.active .guide-icon {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.4);
  color: #ffffff;
}

.sidebar-guide-link.active span {
  color: #ffffff !important;
  font-weight: 800;
}

.sidebar-guide-link.active::after {
  color: #ffffff;
  font-weight: 900;
}

/* Event Card Action Buttons */
.btn-news-read {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  font-size: 12px;
  font-weight: 600;
  color: #0284c7;
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-news-read:hover {
  background: #e0f2fe;
  color: #0369a1;
  border-color: #7dd3fc;
}

.btn-atolye-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: 12px;
  font-weight: 700;
  color: #ffffff !important;
  background: linear-gradient(135deg, #059669 0%, #047857 100%);
  border: none;
  border-radius: 8px;
  text-decoration: none;
  box-shadow: 0 2px 6px rgba(5, 150, 105, 0.25);
  transition: all 0.2s ease;
}

.btn-atolye-badge:hover {
  background: linear-gradient(135deg, #047857 0%, #065f46 100%);
  box-shadow: 0 4px 12px rgba(5, 150, 105, 0.35);
  transform: translateY(-1px);
  color: #ffffff !important;
}

.btn-atolye-badge svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  stroke: currentColor;
}

/* Event Gallery Grid & Lightbox Styles */
.event-gallery-section {
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--border-light);
}

.gallery-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.gallery-header-row h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0;
}

.gallery-count-badge {
  font-size: 12.5px;
  font-weight: 700;
  color: #0284c7;
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  padding: 4px 12px;
  border-radius: 20px;
}

.event-photo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.event-photo-item {
  position: relative;
  display: block;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  background: #f8fafc;
  aspect-ratio: 4 / 3;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  cursor: pointer;
}

.event-photo-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.event-photo-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease;
}

.event-photo-item:hover img {
  transform: scale(1.06);
}

.event-photo-item::after {
  content: '🔍';
  position: absolute;
  top: 10px;
  right: 10px;
  width: 32px;
  height: 32px;
  background: rgba(15, 23, 42, 0.7);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.event-photo-item:hover::after {
  opacity: 1;
}

@media (max-width: 768px) {
  .event-photo-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
}

@media (max-width: 480px) {
  .event-photo-grid {
    grid-template-columns: 1fr;
  }
}

/* Lightbox Modal */
.lightbox-modal {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: rgba(15, 23, 42, 0.94);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(8px);
}

.lightbox-modal.active {
  display: flex;
}

.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-img {
  max-width: 100%;
  max-height: 82vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.lightbox-caption {
  margin-top: 12px;
  color: #f1f5f9;
  font-size: 14px;
  font-weight: 500;
  text-align: center;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 24px;
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.15);
  color: #ffffff;
  border: none;
  border-radius: 50%;
  font-size: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
}

.lightbox-close:hover {
  background: rgba(255,255,255,0.3);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  background: rgba(255,255,255,0.15);
  color: #ffffff;
  border: none;
  border-radius: 50%;
  font-size: 28px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
}

.lightbox-nav:hover {
  background: rgba(255,255,255,0.3);
}

.lightbox-prev {
  left: 20px;
}

.lightbox-next {
  right: 20px;
}


/* ==========================================================================
   KURUMSAL SAYFALAMA (PAGINATION) - SELİM ÇELİK STANDARDI
   ========================================================================== */
.pagination-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 45px auto 25px auto;
  gap: 12px;
}

.pagination-list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
  flex-wrap: wrap;
}

.pagination-item {
  display: inline-flex;
}

.page-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 44px;
  padding: 0 16px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary, #334155);
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.05);
  user-select: none;
  text-decoration: none;
}

.page-btn:hover:not(:disabled):not(.active) {
  background: #f0f9ff;
  border-color: var(--blue-primary, #0284c7);
  color: var(--blue-primary, #0284c7);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.15);
}

.page-btn.active {
  background: var(--blue-primary, #0284c7) !important;
  border-color: var(--blue-primary, #0284c7) !important;
  color: #ffffff !important;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.35);
  cursor: default;
}

.page-btn:disabled,
.page-btn.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
  background: #f8fafc;
  border-color: #e2e8f0;
  color: #94a3b8;
  box-shadow: none;
  transform: none;
}

.page-btn.page-prev,
.page-btn.page-next {
  font-weight: 600;
  padding: 0 18px;
  gap: 6px;
}

.pagination-counter {
  font-size: 13.5px;
  color: #64748b;
  font-weight: 500;
}

.event-card.page-visible {
  display: flex !important;
  animation: cardFadeIn 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.event-card.page-hidden {
  display: none !important;
}

@keyframes cardFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 640px) {
  .page-btn {
    min-width: 38px;
    height: 38px;
    padding: 0 12px;
    font-size: 14px;
  }
  .page-btn.page-prev,
  .page-btn.page-next {
    padding: 0 12px;
  }
}


/* ==========================================================================
   SELİM ÇELİK STANDARDI - TÜM AÇIKLAMALAR MASAÜSTÜNDE TEK SATIR (ZORUNLU)
   ========================================================================== */
.section-title,
.page-header-banner p,
.page-header p,
.page-lead,
.section-desc {
  white-space: nowrap !important;
  max-width: 1150px;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 991px) {
  .section-title,
  .page-header-banner p,
  .page-header p,
  .page-lead,
  .section-desc {
    white-space: normal !important;
  }
}


/* ==========================================================================
   ÜRÜN DETAY - 4'LÜ GÜVEN VE HİZMET ŞERİDİ (SELİM ÇELİK STANDARDI)
   ========================================================================== */
.product-trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 36px;
  margin-bottom: 20px;
}

.trust-strip-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.trust-strip-card:hover {
  border-color: #0284c7;
  background: #f0f9ff;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(2, 132, 199, 0.12);
}

.trust-strip-icon {
  font-size: 22px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.trust-strip-text {
  font-size: 15px;
  font-weight: 700;
  color: #0f172a;
  white-space: nowrap;
}

@media (max-width: 991px) {
  .product-trust-strip {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 24px;
  }
}

@media (max-width: 540px) {
  .product-trust-strip {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}

/* ==========================================================================
   CHECKOUT PROGRESS STEPPER (Sipariş Adımları İlerleme Çubuğu)
   ========================================================================== */
.checkout-stepper {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 14px;
  margin-top: 16px;
}

.step-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 700;
  color: #94a3b8;
  white-space: nowrap;
  text-decoration: none;
  transition: all 0.2s ease;
}

.step-num {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #f1f5f9;
  color: #64748b;
  border: 1.5px solid #cbd5e1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

/* Aktif Adım */
.step-item.active {
  color: #0284c7;
}

.step-item.active .step-num {
  background: #0284c7;
  color: #ffffff;
  border-color: #0284c7;
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.18);
}

/* Tamamlanan Adım */
.step-item.completed {
  color: #0f172a;
}

.step-item.completed .step-num {
  background: #0284c7;
  color: #ffffff;
  border-color: #0284c7;
}

/* Adımlar Arası Çizgi */
.step-divider {
  width: 48px;
  height: 2px;
  background: #e2e8f0;
  border-radius: 2px;
  flex-shrink: 0;
}

.step-divider.active {
  background: #0284c7;
}

@media (max-width: 640px) {
  .checkout-stepper {
    gap: 8px;
    justify-content: center;
  }
  .step-item span:not(.step-num) {
    display: none;
  }
  .step-item.active span:not(.step-num) {
    display: inline;
    font-size: 12px;
  }
  .step-divider {
    width: 24px;
  }
}
/* MÜŞTERİ PORTALI: SİPARİŞ TAKİBİ & ÜYE GİRİŞİ HEADER BUTONLARI */
.btn-header-track {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #f0f9ff;
  border: 1.5px solid #bae6fd;
  color: #0284c7;
  font-size: 13.5px;
  font-weight: 700;
  padding: 9px 16px;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all 0.2s;
  white-space: nowrap;
}
.btn-header-track:hover {
  background: #0284c7;
  color: #ffffff;
  border-color: #0284c7;
}
.btn-header-account {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #f8fafc;
  border: 1.5px solid var(--border-light);
  color: #334155;
  font-size: 13.5px;
  font-weight: 700;
  padding: 9px 16px;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all 0.2s;
  white-space: nowrap;
}
.btn-header-account:hover {
  background: #ffffff;
  color: #0284c7;
  border-color: #0284c7;
}
@media (max-width: 991px) {
  .btn-header-track span, .btn-header-account span {
    display: none;
  }
  .btn-header-track, .btn-header-account {
    padding: 9px;
  }
}



/* ============================================================
   3D SECURE GÜVENLİ ÖDEME BUTONU VE DOĞRULAMA MODALI (ORTALANMIŞ & BELİRGİN)
   ============================================================ */
.btn-proceed-checkout {
  width: 100% !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 12px !important;
  background: linear-gradient(135deg, #16a34a 0%, #15803d 100%) !important;
  color: #ffffff !important;
  border: none !important;
  border-radius: 14px !important;
  font-family: inherit !important;
  font-size: 18px !important;
  font-weight: 800 !important;
  letter-spacing: 0.2px !important;
  height: 62px !important;
  cursor: pointer !important;
  box-shadow: 0 6px 20px rgba(22, 163, 74, 0.35) !important;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1) !important;
  text-decoration: none !important;
  margin-top: 10px !important;
}

.btn-proceed-checkout:hover {
  background: linear-gradient(135deg, #15803d 0%, #166534 100%) !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 8px 24px rgba(22, 163, 74, 0.45) !important;
}

.btn-proceed-checkout:active {
  transform: translateY(0) !important;
  box-shadow: 0 4px 12px rgba(22, 163, 74, 0.3) !important;
}

.btn-proceed-checkout:disabled {
  opacity: 0.7 !important;
  cursor: not-allowed !important;
  transform: none !important;
}

.secure-3d-banner {
  background: linear-gradient(180deg, #f0fdf4 0%, #ecfdf5 100%);
  border: 2px solid #86efac;
  border-radius: 16px;
  padding: 22px 24px;
  margin-bottom: 24px;
  text-align: center;
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.08);
}

@keyframes modalPop {
  0% { transform: scale(0.95); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}


/* ============================================================
   TAM KAPSAMLI MOBİL & TABLET RESPONSIVE SİSTEMİ (TÜM SAYFALAR)
   ============================================================ */

/* Masaüstünde hamburger butonunu gizle */
.mobile-menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  padding: 0;
  border-radius: 10px;
  border: 1.5px solid #cbd5e1;
  background: #f8fafc;
  color: #0f172a;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.mobile-menu-toggle:hover,
.mobile-menu-toggle.active {
  background: #0284c7;
  border-color: #0284c7;
  color: #ffffff;
}

/* Grid ve Flex çocuklarının ekran dışına taşmasını (1fr min-width:auto blowout) engelle */
.hero-grid > *,
.hero-content,
.hero-visual-card,
.seo-cat-grid > *,
.products-grid > *,
.features-grid > *,
.news-grid > *,
.product-buy-grid > *,
.footer-grid > *,
.cart-middle-grid > *,
.support-grid-12 > *,
[style*="display:grid"] > *,
[style*="display: grid"] > * {
  min-width: 0;
  max-width: 100%;
}

@media (max-width: 991px) {
  html, body {
    overflow-x: hidden !important;
    max-width: 100vw !important;
    width: 100% !important;
  }

  .container {
    width: 100% !important;
    max-width: 100% !important;
    padding-left: 16px !important;
    padding-right: 16px !important;
    box-sizing: border-box !important;
  }

  /* 1. ÜST BANT (TOP BAR) MOBİL DÜZENİ */
  .top-bar {
    padding: 7px 0 !important;
  }

  .top-bar-container {
    flex-direction: row !important;
    flex-wrap: wrap !important;
    justify-content: center !important;
    align-items: center !important;
    white-space: normal !important;
    gap: 6px 14px !important;
  }

  /* Mobilde üst bant sol SEO linklerini, e-posta ve admin rozetini gizle; Telefon + WhatsApp tek satırda net kalsın */
  .top-bar-left,
  .top-admin-badge,
  .top-bar-right a[href^="mailto:"],
  .top-bar-right a[href*="destek"] {
    display: none !important;
  }

  .top-bar-right {
    width: 100% !important;
    display: flex !important;
    flex-wrap: wrap !important;
    justify-content: center !important;
    align-items: center !important;
    gap: 8px 16px !important;
    white-space: normal !important;
  }

  .top-bar-right .top-link {
    font-size: 12px !important;
    white-space: nowrap !important;
  }

  /* 2. HEADER & MOBİL HAMBURGER NAVİGASYON */
  .site-header {
    position: sticky !important;
    top: 0 !important;
    z-index: 1000 !important;
  }

  .header-container {
    height: 64px !important;
    padding-left: 14px !important;
    padding-right: 14px !important;
    gap: 8px !important;
    justify-content: space-between !important;
    position: relative !important;
  }

  .brand-logo {
    flex-shrink: 1 !important;
    min-width: 0 !important;
  }

  .site-logo-img {
    height: 30px !important;
    width: auto !important;
    max-width: 130px !important;
    object-fit: contain !important;
  }

  .header-actions {
    display: flex !important;
    align-items: center !important;
    gap: 6px !important;
    flex-shrink: 0 !important;
  }

  .btn-header-track,
  .btn-header-account {
    width: 36px !important;
    height: 36px !important;
    padding: 0 !important;
    justify-content: center !important;
    border-radius: 50% !important;
    flex-shrink: 0 !important;
  }

  .btn-header-track span,
  .btn-header-account span {
    display: none !important;
  }

  .btn-header-cart {
    padding: 7px 11px !important;
    font-size: 12.5px !important;
    gap: 5px !important;
    height: 36px !important;
    border-radius: 999px !important;
    flex-shrink: 0 !important;
  }

  .cart-count-badge {
    width: 20px !important;
    height: 20px !important;
    font-size: 11px !important;
  }

  .mobile-menu-toggle {
    display: inline-flex !important;
  }

  /* Mobil Açılır Menü (Drawer) */
  .main-nav {
    display: none !important;
    position: absolute !important;
    top: 100% !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    background: #ffffff !important;
    border-bottom: 2px solid #cbd5e1 !important;
    box-shadow: 0 18px 36px rgba(15, 23, 42, 0.16) !important;
    flex-direction: column !important;
    align-items: stretch !important;
    padding: 12px 16px 20px !important;
    gap: 4px !important;
    max-height: calc(100vh - 100px) !important;
    overflow-y: auto !important;
    z-index: 999 !important;
  }

  .main-nav.mobile-open {
    display: flex !important;
  }

  .main-nav .nav-link {
    width: 100% !important;
    padding: 11px 14px !important;
    font-size: 14.5px !important;
    border-radius: 10px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    white-space: normal !important;
  }

  .main-nav .nav-dropdown {
    width: 100% !important;
    display: flex !important;
    flex-direction: column !important;
  }

  .main-nav .nav-dropdown-menu {
    position: static !important;
    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;
    box-shadow: none !important;
    border: 1px solid #e2e8f0 !important;
    background: #f8fafc !important;
    border-radius: 10px !important;
    padding: 6px !important;
    margin: 4px 0 6px 0 !important;
    min-width: 100% !important;
    width: 100% !important;
    display: none !important;
  }

  .main-nav .nav-dropdown.mobile-sub-open .nav-dropdown-menu {
    display: block !important;
  }

  .main-nav .dropdown-item {
    padding: 9px 12px !important;
    font-size: 13.5px !important;
    white-space: normal !important;
  }

  /* 3. BAŞLIKLAR VE NOWRAP OVERRIDE (MOBİLDE METİNLER ALT SATIRA İNSİN) */
  .section-title,
  .section-desc,
  .page-title,
  .page-lead,
  .support-contact-box p,
  h1[style*="nowrap"],
  h2[style*="nowrap"],
  h3[style*="nowrap"],
  p[style*="nowrap"] {
    white-space: normal !important;
    word-break: break-word !important;
    overflow-wrap: break-word !important;
    max-width: 100% !important;
  }

  .section {
    padding: 36px 0 !important;
  }

  .section-header {
    margin-bottom: 24px !important;
  }

  .section-title {
    font-size: clamp(20px, 5.2vw, 26px) !important;
    line-height: 1.28 !important;
  }

  .section-desc,
  .page-lead {
    font-size: 14px !important;
    line-height: 1.55 !important;
  }

  .page-hero,
  .page-header-banner {
    padding: 28px 0 !important;
  }

  .page-title {
    font-size: clamp(22px, 5.8vw, 28px) !important;
    line-height: 1.25 !important;
  }

  .breadcrumb,
  .breadcrumb-nav {
    flex-wrap: wrap !important;
    white-space: normal !important;
    word-break: break-word !important;
    font-size: 12px !important;
  }

  /* 4. HERO BÖLÜMÜ MOBİL UYUMLULUK */
  .hero-section {
    padding: 20px 0 28px !important;
  }

  .hero-grid {
    grid-template-columns: 1fr !important;
    gap: 24px !important;
  }

  .hero-content {
    width: 100% !important;
    max-width: 100% !important;
  }

  .hero-badge-pill {
    display: flex !important;
    width: 100% !important;
    max-width: 100% !important;
    white-space: normal !important;
    border-radius: 12px !important;
    padding: 8px 12px !important;
    font-size: 11.5px !important;
    line-height: 1.35 !important;
    margin-bottom: 12px !important;
    box-sizing: border-box !important;
  }

  .hero-title {
    font-size: clamp(22px, 6.2vw, 30px) !important;
    line-height: 1.22 !important;
    letter-spacing: -0.4px !important;
    margin-bottom: 14px !important;
    word-break: break-word !important;
  }

  .hero-title br {
    display: none !important;
  }

  .hero-title .highlight-blue,
  .hero-title .highlight-ruby {
    display: block !important;
    margin-top: 2px !important;
  }

  .hero-feature-list {
    padding-left: 0 !important;
    gap: 8px !important;
    margin-bottom: 18px !important;
  }

  .hero-feature-item {
    font-size: 13.5px !important;
    line-height: 1.4 !important;
    align-items: flex-start !important;
    gap: 8px !important;
    white-space: normal !important;
  }

  .hero-feature-icon {
    flex-shrink: 0 !important;
    margin-top: 1px !important;
  }

  .hero-cta-group {
    flex-direction: column !important;
    align-items: stretch !important;
    width: 100% !important;
    gap: 10px !important;
  }

  .btn-hero-primary,
  .btn-hero-secondary {
    width: 100% !important;
    max-width: 100% !important;
    white-space: normal !important;
    padding: 14px 16px !important;
    font-size: 14.5px !important;
    justify-content: center !important;
    text-align: center !important;
    box-sizing: border-box !important;
  }

  .hero-simulator-banner {
    width: 100% !important;
    max-width: 100% !important;
    margin-top: 12px !important;
  }

  .hero-sim-trigger {
    display: flex !important;
    width: 100% !important;
    max-width: 100% !important;
    white-space: normal !important;
    padding: 11px 14px !important;
    font-size: 12.5px !important;
    line-height: 1.4 !important;
    border-radius: 12px !important;
    text-align: left !important;
    justify-content: flex-start !important;
    box-sizing: border-box !important;
  }

  .hero-visual-card {
    width: 100% !important;
    max-width: 100% !important;
    border-radius: 16px !important;
  }

  .hero-visual-card img {
    min-height: 250px !important;
    max-height: 330px !important;
    width: 100% !important;
  }

  .hero-top-badge {
    top: 10px !important;
    right: 10px !important;
    font-size: 11px !important;
    padding: 6px 10px !important;
    max-width: calc(100% - 20px) !important;
    white-space: normal !important;
  }

  .hero-floating-badge {
    bottom: 10px !important;
    left: 10px !important;
    right: 10px !important;
    padding: 10px 12px !important;
    gap: 10px !important;
    border-radius: 12px !important;
  }

  .hero-floating-badge .badge-icon {
    width: 36px !important;
    height: 36px !important;
  }

  .hero-floating-badge .badge-text strong {
    font-size: 12.5px !important;
  }

  .hero-floating-badge .badge-text span {
    font-size: 11px !important;
    line-height: 1.3 !important;
  }

  .hero-stats-bar {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 12px !important;
    padding: 16px 12px !important;
    margin-top: 24px !important;
  }

  .hero-stat-card {
    border-right: none !important;
    padding: 6px 4px !important;
  }

  .hero-stat-card strong {
    font-size: 24px !important;
  }

  .stat-label {
    font-size: 11.5px !important;
    white-space: normal !important;
  }

  /* 5. INLINE GRID YAPILARINI (2 SÜTUNLU SAYFA DÜZENLERİ) MOBİLDE TEK SÜTUNA DÜŞÜR */
  div[style*="grid-template-columns:1.8fr 1fr"],
  div[style*="grid-template-columns: 1.8fr 1fr"],
  div[style*="grid-template-columns:1.35fr 1fr"],
  div[style*="grid-template-columns: 1.35fr 1fr"],
  div[style*="grid-template-columns:1fr 1.35fr"],
  div[style*="grid-template-columns: 1fr 1.35fr"],
  div[style*="grid-template-columns:1.5fr 1fr"],
  div[style*="grid-template-columns: 1.5fr 1fr"],
  div[style*="grid-template-columns:1.4fr 1fr"],
  div[style*="grid-template-columns: 1.4fr 1fr"],
  div[style*="grid-template-columns:1fr 1fr; gap:40px"],
  div[style*="grid-template-columns: 1fr 1fr; gap: 40px"],
  .cart-middle-grid {
    grid-template-columns: 1fr !important;
    gap: 24px !important;
  }

  /* SEO Kılavuz ve Makale Sayfaları (8 Rehber Sayfası) */
  .article-content {
    padding: 20px 16px !important;
    border-radius: 14px !important;
    overflow-x: hidden !important;
  }

  .article-content h2 {
    font-size: 19px !important;
    line-height: 1.3 !important;
  }

  .article-content h3 {
    font-size: 16.5px !important;
  }

  /* Tabloların mobilde ekranı taşırmasını önle (Yatay kaydırılabilir tablo) */
  .comparison-table {
    display: block !important;
    width: 100% !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    border-collapse: collapse !important;
  }

  .comparison-table th,
  .comparison-table td {
    padding: 10px 12px !important;
    font-size: 13px !important;
    min-width: 110px;
  }

  /* Ürün Detay Sayfaları */
  .product-buy-grid {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }

  .product-main-photo {
    height: 290px !important;
  }

  .product-info-card {
    padding: 20px 16px !important;
  }

  .product-page-title {
    font-size: 20px !important;
    line-height: 1.3 !important;
  }

  .product-highlights-list {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
  }

  .product-price-box {
    padding: 14px 16px !important;
    flex-wrap: wrap !important;
    gap: 10px !important;
  }

  .price-main {
    font-size: 26px !important;
  }

  .product-trust-strip {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px !important;
  }

  .p-tab-pane {
    padding: 20px 16px !important;
  }

  /* Simülatör Bölümü */
  .sim-wrapper {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
    padding: 18px 14px !important;
  }

  .sim-viewport-container {
    width: 240px !important;
    height: 240px !important;
  }

  /* Destek Sayfası İletişim Kutusu */
  .support-contact-box {
    flex-direction: column !important;
    align-items: stretch !important;
    text-align: center !important;
    padding: 22px 16px !important;
    gap: 16px !important;
  }

  .support-contact-actions {
    flex-direction: column !important;
    width: 100% !important;
    gap: 10px !important;
  }

  .support-contact-actions a {
    width: 100% !important;
    justify-content: center !important;
  }
}

@media (max-width: 768px) {
  /* Katalog, Haber, Özellik ve Kategori Gridleri */
  .seo-cat-grid,
  .products-grid,
  .features-grid,
  .news-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }

  .support-grid-12 {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }

  /* Hakkımızda Görsel Alanı ve Butonlar */
  div[style*="min-height:360px"],
  div[style*="min-height:420px"] {
    min-height: 240px !important;
  }

  /* Form İçi 2 Sütunlu Satırlar ve Sipariş Sorgulama Gridleri */
  div[style*="grid-template-columns:1fr 1fr"],
  div[style*="grid-template-columns: 1fr 1fr"],
  div[style*="grid-template-columns:1fr 1fr auto"],
  div[style*="grid-template-columns: 1fr 1fr auto"],
  div[style*="grid-template-columns: repeat(2, 1fr)"] {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }

  /* Sepet, Teslimat ve Ödeme Kartları İç Boşlukları */
  .cart-items-wrapper,
  div[style*="padding: 32px"],
  div[style*="padding:32px"],
  div[style*="padding: 36px"],
  div[style*="padding:36px"],
  div[style*="padding: 48px 40px"] {
    padding: 20px 16px !important;
  }

  /* Sepet Ürün Kartı Mobil Hizalaması */
  .cart-item-card {
    flex-direction: column !important;
    align-items: stretch !important;
    padding: 14px !important;
    gap: 12px !important;
  }

  .cart-item-card > div:last-child {
    width: 100% !important;
    justify-content: space-between !important;
    border-top: 1px solid #f1f5f9;
    padding-top: 10px;
  }

  .cart-item-price {
    min-width: auto !important;
    font-size: 16px !important;
  }

  /* Teslimat Fatura Tipi Seçimi (Bireysel / Kurumsal) */
  #teslimatForm div[style*="display:flex; gap: 16px"] {
    flex-direction: column !important;
    gap: 10px !important;
  }

  /* Ürün Detay Adet + Sepete Ekle Satırı */
  .product-action-row {
    flex-direction: row !important;
    gap: 10px !important;
  }

  .qty-control-box {
    height: 48px !important;
  }

  .qty-btn {
    width: 38px !important;
    height: 48px !important;
  }

  .btn-add-to-cart,
  .btn-buy-now-direct,
  .btn-whatsapp-quote {
    height: 48px !important;
    font-size: 14px !important;
    padding: 0 14px !important;
    white-space: normal !important;
  }

  .product-gallery-grid,
  .event-photo-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px !important;
  }

  /* Footer Mobil */
  .site-footer {
    padding: 40px 0 24px !important;
    margin-top: 40px !important;
  }

  .footer-grid {
    grid-template-columns: 1fr !important;
    gap: 28px !important;
    padding-bottom: 28px !important;
  }

  .footer-bottom {
    flex-direction: column !important;
    text-align: center !important;
    gap: 8px !important;
  }
}

@media (max-width: 480px) {
  .header-container {
    padding-left: 10px !important;
    padding-right: 10px !important;
    gap: 6px !important;
  }

  .site-logo-img {
    height: 26px !important;
    max-width: 112px !important;
  }

  .header-actions {
    gap: 4px !important;
  }

  .btn-header-track,
  .btn-header-account {
    width: 34px !important;
    height: 34px !important;
  }

  .btn-header-cart {
    padding: 6px 9px !important;
    font-size: 12px !important;
    height: 34px !important;
  }

  .mobile-menu-toggle {
    width: 34px !important;
    height: 34px !important;
  }

  /* Sipariş Takip Sekmeleri */
  .portal-tab-btn {
    padding: 10px 6px !important;
    font-size: 12px !important;
    gap: 4px !important;
  }

  .portal-tab-btn svg {
    display: none !important;
  }

  .btn-proceed-checkout {
    font-size: 15px !important;
    height: 54px !important;
    padding: 0 12px !important;
  }
}

@media (max-width: 360px) {
  .btn-header-cart span:nth-of-type(2) {
    display: none !important;
  }
}