/* ==========================================================================
   KAYMAK OFİS MOBİLYALARI - KURUMSAL E-TİCARET STİL DOSYASI
   Domain: ofisak.com.tr
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Renk Paleti */
  --primary: #0f172a;          /* Gece Mavisi / Lüks Antrasit */
  --primary-light: #1e293b;
  --primary-dark: #090d16;
  --accent: #ee6823;           /* Kurumsal Logo Rengi (Sıcak Turuncu) */
  --accent-light: #fff4ed;
  --accent-hover: #d35514;
  --accent-dark: #b64409;
  --secondary: #3b82f6;        /* Kurumsal Mavi */
  
  --text-main: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --bg-body: #f8fafc;
  --bg-card: #ffffff;
  --border-color: #e2e8f0;
  --border-light: #f1f5f9;
  
  /* Durum Renkleri */
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --info: #06b6d4;

  /* Tipografi */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Gölgeler & Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --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(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.04);
  --shadow-gold: 0 10px 25px -5px rgba(238, 104, 35, 0.25);

  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  color: var(--text-main);
  background-color: var(--bg-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
}

.container {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Başlıklar */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--primary);
  font-weight: 700;
  line-height: 1.25;
}

/* ==========================================================================
   TOP HEADER (GSM 1, GSM 2, WHATSAPP, E-POSTA)
   ========================================================================== */
.top-header {
  background: linear-gradient(135deg, #090d16 0%, #0f172a 100%);
  color: #cbd5e1;
  font-size: 0.85rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  z-index: 100;
}

.top-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  flex-wrap: wrap;
  gap: 12px;
}

.top-contact-list {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.top-contact-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #94a3b8;
  font-weight: 500;
  transition: var(--transition);
}

.top-contact-item:hover {
  color: var(--accent);
}

.top-contact-item svg {
  width: 15px;
  height: 15px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 2;
  flex-shrink: 0;
}

.top-contact-item.whatsapp-item {
  background: rgba(37, 211, 102, 0.12);
  color: #25d366;
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid rgba(37, 211, 102, 0.25);
  font-weight: 600;
}

.top-contact-item.whatsapp-item:hover {
  background: #25d366;
  color: #ffffff;
}

.top-contact-item.whatsapp-item svg {
  stroke: currentColor;
}

.top-header-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* Sosyal Medya İkonları */
.top-social-list {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.top-social-label {
  color: #94a3b8;
  font-size: 0.78rem;
  font-weight: 600;
  margin-right: 2px;
}

.top-social-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #cbd5e1;
  transition: all 0.25s ease;
}

.top-social-btn svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  transition: transform 0.2s ease;
}

.top-social-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.top-social-btn.instagram:hover {
  background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
  border-color: transparent;
  color: #ffffff;
}

.top-social-btn.facebook:hover {
  background: #1877f2;
  border-color: #1877f2;
  color: #ffffff;
}

.top-social-btn.linkedin:hover {
  background: #0a66c2;
  border-color: #0a66c2;
  color: #ffffff;
}

.top-social-btn.youtube:hover {
  background: #ff0000;
  border-color: #ff0000;
  color: #ffffff;
}

.top-social-btn.twitter:hover {
  background: #0f172a;
  border-color: #334155;
  color: #ffffff;
}

.top-announcement {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #e2e8f0;
  font-size: 0.82rem;
}

.top-badge {
  background: var(--accent);
  color: var(--primary-dark);
  font-weight: 800;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 0.72rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* ==========================================================================
   ANA NAVBAR / HEADER (AÇIK ARAMA & MEGA MENÜ)
   ========================================================================== */
.site-header {
  background: #ffffff;
  position: sticky;
  top: 0;
  z-index: 99;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.04);
  transition: var(--transition);
}

.site-header.is-sticky {
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.09);
}

/* 1. Üst Satır: Logo - Açık Arama (Ortada) - Aksiyonlar (Sağda) */
.header-main-row {
  padding: 14px 0;
  border-bottom: 1px solid var(--border-light);
  background: #ffffff;
}

.header-main-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.brand-logo img {
  height: 48px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
}

/* ORTADA AÇIK ARAMA ÇUBUĞU */
.header-search-wrapper {
  flex: 1;
  max-width: 600px;
  margin: 0 auto;
}

.header-search-form {
  width: 100%;
}

.header-search-input-group {
  display: flex;
  align-items: center;
  position: relative;
  width: 100%;
  background: #f8fafc;
  border: 2px solid var(--accent);
  border-radius: 40px;
  padding: 3px;
  transition: all 0.25s ease;
  box-shadow: 0 2px 10px rgba(238, 104, 35, 0.12);
}

.header-search-input-group:focus-within {
  background: #ffffff;
  border-color: var(--accent-hover);
  box-shadow: 0 4px 20px rgba(238, 104, 35, 0.28);
}

.header-search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  pointer-events: none;
}

.header-search-icon svg {
  width: 18px;
  height: 18px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 2.2;
}

.header-search-input {
  width: 100%;
  border: none;
  background: transparent;
  padding: 10px 115px 10px 44px;
  font-size: 0.92rem;
  color: var(--primary);
  outline: none;
  font-family: inherit;
  font-weight: 500;
}

.header-search-input::placeholder {
  color: #94a3b8;
  font-weight: 400;
}

.header-search-submit {
  position: absolute;
  right: 3px;
  top: 3px;
  bottom: 3px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 0 22px;
  background: linear-gradient(135deg, var(--accent) 0%, #d35514 100%);
  color: #ffffff;
  border: none;
  border-radius: 30px;
  font-weight: 800;
  font-size: 0.88rem;
  letter-spacing: 0.3px;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 2px 8px rgba(238, 104, 35, 0.35);
}

.header-search-submit svg {
  width: 15px;
  height: 15px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2.5;
}

.header-search-submit:hover {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.25);
  transform: scale(1.02);
}

/* Header Aksiyonları (WhatsApp, Sepet, Teklif Al) */
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

/* WhatsApp Destek Hap Buton */
.header-contact-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px 6px 8px;
  border-radius: 30px;
  border: 1px solid #e2e8f0;
  background: #ffffff;
  transition: all 0.2s ease;
}

.header-contact-pill:hover {
  border-color: #25d366;
  background: rgba(37, 211, 102, 0.05);
  transform: translateY(-1px);
}

.pill-icon.wa-pill {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #25d366;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.pill-icon.wa-pill svg {
  width: 18px;
  height: 18px;
  stroke: #ffffff;
  fill: none;
  stroke-width: 2;
}

.pill-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.pill-label {
  font-size: 0.7rem;
  color: #64748b;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pill-val {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--primary);
}

/* Sepet Butonu */
.header-cart-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px 6px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: #ffffff;
  color: var(--primary);
  transition: all 0.2s ease;
}

.header-cart-btn:hover {
  border-color: var(--accent);
  background: rgba(238, 104, 35, 0.06);
  color: var(--accent-hover);
  transform: translateY(-1px);
}

.cart-icon-wrapper {
  position: relative;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cart-icon-wrapper svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

.cart-badge {
  position: absolute;
  top: -4px;
  right: -6px;
  background: var(--accent);
  color: #ffffff;
  font-size: 0.7rem;
  font-weight: 800;
  min-width: 18px;
  height: 18px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #ffffff;
}

.cart-text-wrap {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.cart-text-label {
  font-size: 0.72rem;
  color: #64748b;
  font-weight: 600;
}

.cart-text-count {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--primary);
}

.btn-header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--primary);
  color: #ffffff;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
}

.btn-header-cta:hover {
  background: var(--accent);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

.btn-header-cta svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

.mobile-toggle-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.mobile-toggle-btn svg {
  width: 28px;
  height: 28px;
  stroke: var(--primary);
  stroke-width: 2;
  fill: none;
}

/* 2. Alt Satır: Kategoriler Menü Butonu & Ana Navigasyon */
.header-nav-row {
  background: #ffffff;
  border-bottom: 1px solid #f1f5f9;
}

.header-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  position: relative;
}

/* Tüm Koleksiyonlar Dropdown Butonu */
.nav-categories-trigger {
  position: relative;
}

.btn-categories-menu {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  background: var(--primary);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.92rem;
  border: none;
  border-radius: 6px 6px 0 0;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-categories-menu svg {
  width: 17px;
  height: 17px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2.2;
}

.btn-categories-menu svg.chevron {
  width: 14px;
  height: 14px;
  transition: transform 0.2s ease;
}

.nav-categories-trigger:hover .btn-categories-menu {
  background: var(--accent);
  color: #ffffff;
}

.nav-categories-trigger:hover .btn-categories-menu svg.chevron {
  transform: rotate(180deg);
}

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

/* Ana Navigasyon Menüsü */
.main-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 14px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--primary);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-hover);
  background: rgba(238, 104, 35, 0.08);
}

.nav-link svg.arrow {
  width: 13px;
  height: 13px;
  stroke: currentColor;
  transition: transform 0.2s ease;
}

.nav-item:hover > .nav-link svg.arrow {
  transform: rotate(180deg);
}

/* Mega Menü / Dropdown */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: #ffffff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-color);
  padding: 16px;
  min-width: 260px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.2s ease;
  z-index: 105;
}

.nav-item:hover > .dropdown-menu,
.nav-item-has-mega:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-item-has-mega {
  position: static;
}

/* 15'li Görselli Ürünler Mega Menüsü */
.mega-menu {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  width: 100%;
  max-width: 100%;
  background: #ffffff;
  border-radius: 0 0 16px 16px;
  box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.18), 0 0 0 1px rgba(226, 232, 240, 0.85);
  border: 1px solid #e2e8f0;
  border-top: 2px solid var(--accent);
  padding: 22px 24px 24px 24px;
  z-index: 150;
  transform: translateY(6px);
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

.mega-menu-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px 14px;
}

.mega-cat-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 10px;
  border-radius: 8px;
  background: #ffffff;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  text-decoration: none;
}

.mega-cat-item:hover {
  background: #fff8f5;
  border-color: rgba(238, 104, 35, 0.25);
  box-shadow: 0 4px 14px rgba(238, 104, 35, 0.08);
  transform: translateY(-2px);
}

.mega-cat-thumb {
  width: 118px;
  min-width: 118px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  border-radius: 6px;
  overflow: hidden;
  flex-shrink: 0;
}

.mega-cat-thumb img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform 0.25s ease;
}

.mega-cat-item:hover .mega-cat-thumb img {
  transform: scale(1.08);
}

.mega-cat-name {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--primary);
  line-height: 1.25;
  letter-spacing: -0.1px;
  transition: color 0.2s ease;
}

.mega-cat-item:hover .mega-cat-name {
  color: var(--accent);
}

@media (max-width: 1200px) {
  .mega-menu-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 992px) {
  .mega-menu-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Sağ Taraf DMO (Devlet Malzeme Ofisi) Linkleri */
.nav-dmo-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.dmo-link-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: #f8fafc;
  border: 1.5px solid #e2e8f0;
  border-radius: 6px;
  color: var(--primary);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.3px;
  transition: all 0.2s ease;
  text-decoration: none;
}

.dmo-link-badge .dmo-tag {
  display: inline-block;
}

.dmo-link-badge svg {
  width: 12px;
  height: 12px;
  stroke: var(--accent);
  stroke-width: 2.2;
  fill: none;
  transition: transform 0.2s ease;
}

.dmo-link-badge:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.18);
}

.dmo-link-badge:hover svg {
  stroke: var(--accent);
  transform: translateX(2px);
}

/* Mobil Arama Çubuğu */
.mobile-search-bar {
  display: none;
  padding: 10px 0 14px 0;
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
}

/* ==========================================================================
   HERO BANNER
   ========================================================================== */
.hero-section,
.hero-slide {
  position: relative;
  min-height: 580px;
  display: flex;
  align-items: center;
  background-color: #0b1120;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: #ffffff;
  overflow: hidden;
  transition: opacity 0.5s ease;
}

.hero-slider-prev,
.hero-slider-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  background: rgba(15, 23, 42, 0.65);
  border: 1px solid rgba(238, 104, 35, 0.35);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: all 0.3s ease;
  backdrop-filter: blur(4px);
}
.hero-slider-prev:hover,
.hero-slider-next:hover {
  background: var(--accent);
  color: #0f172a;
  border-color: var(--accent);
  transform: translateY(-50%) scale(1.08);
}
.hero-slider-prev { left: 24px; }
.hero-slider-next { right: 24px; }

.hero-slider-dots {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}
.hero-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}
.hero-dot.active {
  background: var(--accent);
  width: 28px;
  border-radius: 8px;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.8) 50%, rgba(15, 23, 42, 0.4) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  padding: 60px 0;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(238, 104, 35, 0.15);
  border: 1px solid rgba(238, 104, 35, 0.4);
  color: #ffedd5;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero-title {
  font-size: 3.4rem;
  font-weight: 800;
  line-height: 1.15;
  color: #ffffff;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.hero-title span {
  color: var(--accent);
  background: linear-gradient(135deg, #fed7aa 0%, #ee6823 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.15rem;
  color: #cbd5e1;
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-btns {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  background: linear-gradient(135deg, #ee6823 0%, #d35514 100%);
  color: #ffffff;
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 14px rgba(238, 104, 35, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, #f07434 0%, #bd4b0e 100%);
  box-shadow: 0 8px 25px rgba(238, 104, 35, 0.45);
  color: #ffffff;
}

.btn-outline-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.btn-outline-light:hover {
  background: #ffffff;
  color: var(--primary);
  border-color: #ffffff;
}

/* ==========================================================================
   BANNER ALTI KAYAN KREDİ KARTI ŞERİDİ (INFINITE MARQUEE)
   ========================================================================== */
.credit-cards-marquee-section {
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  padding: 20px 0;
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}

.marquee-header {
  text-align: center;
  margin-bottom: 16px;
}

.marquee-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
  background: rgba(238, 104, 35, 0.12);
  padding: 6px 16px;
  border-radius: 30px;
  border: 1px solid rgba(238, 104, 35, 0.3);
}

.marquee-badge svg {
  width: 18px;
  height: 18px;
  stroke: var(--accent-hover);
  fill: none;
  stroke-width: 2;
}

.marquee-badge span.highlight {
  color: #d35514;
}

.marquee-wrapper {
  display: flex;
  overflow: hidden;
  user-select: none;
  position: relative;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: 28px;
  animation: marqueeScroll 28s linear infinite;
  white-space: nowrap;
  padding: 6px 0;
}

.marquee-track:hover {
  animation-play-state: paused;
}

.card-logo-card {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  background: #ffffff;
  border-radius: 10px;
  border: 1px solid #e2e8f0;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
  transition: var(--transition);
  flex-shrink: 0;
}

.card-logo-card:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.08);
  border-color: var(--accent);
}

.card-logo-card img {
  height: 38px;
  width: auto;
  object-fit: contain;
}

@keyframes marqueeScroll {
  0% {
    transform: translateX(0%);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* ==========================================================================
   ÖNE ÇIKAN AVANTAJLAR (FEATURES BAR)
   ========================================================================== */
.features-section {
  padding: 40px 0;
  background: #ffffff;
  border-bottom: 1px solid var(--border-light);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-box {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  border-radius: var(--radius-md);
  background: var(--bg-body);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.feature-box:hover {
  border-color: var(--accent);
  background: #ffffff;
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.feature-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: rgba(238, 104, 35, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.feature-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--accent-hover);
  fill: none;
  stroke-width: 2;
}

.feature-text h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 2px;
}

.feature-text p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================================================
   BÖLÜM BAŞLIKLARI
   ========================================================================== */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px auto;
}

.section-subtitle {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-hover);
  letter-spacing: 1.5px;
  margin-bottom: 8px;
}

.section-title {
  font-size: 2.3rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* ==========================================================================
   KATEGORİLER VİTRİNİ (12 KATEGORİ)
   ========================================================================== */
.categories-section {
  padding: 80px 0;
  background: var(--bg-body);
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

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

.category-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: var(--shadow-xl);
}

.category-img-wrap {
  position: relative;
  height: 190px;
  overflow: hidden;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
}

.category-img-wrap img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 8px 16px rgba(15, 23, 42, 0.08));
  transition: transform 0.4s ease;
}

.category-card:hover .category-img-wrap img {
  transform: scale(1.06);
}

.category-card-overlay {
  display: none;
}

.category-card-body {
  padding: 20px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.category-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
  transition: var(--transition);
}

.category-card:hover .category-card-title {
  color: var(--accent-hover);
}

.category-card-count {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.category-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--primary);
  transition: var(--transition);
}

.category-card:hover .category-card-link {
  color: var(--accent-hover);
  transform: translateX(4px);
}

/* ==========================================================================
   ÜRÜN KARTLARI
   ========================================================================== */
.products-section {
  padding: 80px 0;
  background: #ffffff;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.product-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: rgba(238, 104, 35, 0.5);
  box-shadow: 0 16px 32px rgba(15, 23, 42, 0.08);
}

.product-badges {
  position: absolute;
  top: 14px;
  left: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  z-index: 3;
}

.badge-discount {
  background: var(--danger);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 8px;
  border-radius: 4px;
}

.badge-featured {
  background: var(--accent);
  color: var(--primary-dark);
  font-size: 0.72rem;
  font-weight: 800;
  padding: 4px 8px;
  border-radius: 4px;
  text-transform: uppercase;
}

.product-thumb {
  position: relative;
  height: 240px;
  overflow: hidden;
  background: #f8fafc;
}

.product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-card:hover .product-thumb img {
  transform: scale(1.06);
}

.product-card-body {
  padding: 20px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.product-category {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--accent-hover);
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.product-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-title a:hover {
  color: var(--accent-hover);
}

.product-prices {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.current-price {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  font-family: var(--font-heading);
}

.old-price {
  font-size: 0.95rem;
  color: var(--text-light);
  text-decoration: line-through;
}

.product-installment-hint {
  font-size: 0.75rem;
  color: var(--success);
  font-weight: 600;
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.product-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: auto;
  padding-top: 14px;
}

.btn-wa-quote {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 8px;
  background: #25d366;
  color: #ffffff !important;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid rgba(0, 0, 0, 0.05);
  box-shadow: 0 2px 5px rgba(37, 211, 102, 0.22);
  transition: var(--transition);
  white-space: nowrap;
}

.btn-wa-quote:hover {
  background: #1eb956;
  color: #ffffff !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(37, 211, 102, 0.35);
}

.btn-add-cart {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 8px;
  background: var(--primary);
  color: #ffffff;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-add-cart:hover {
  background: var(--accent);
  color: #ffffff;
}

.btn-quick-view {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: #ffffff;
  color: var(--primary);
  transition: var(--transition);
}

.btn-quick-view:hover {
  background: #f1f5f9;
  border-color: var(--text-muted);
}

/* Toplu Teklif & WhatsApp RFQ Butonları */
.btn-wa-bulk {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px 20px;
  background: #25d366;
  color: #ffffff !important;
  font-weight: 700;
  font-size: 1.05rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.28);
  transition: var(--transition);
}

.btn-wa-bulk:hover {
  background: #1eb956;
  color: #ffffff !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

/* ==========================================================================
   PROJELER / UYGULAMALAR & REFERANSLAR
   ========================================================================== */
.projects-section {
  padding: 80px 0;
  background: #0f172a;
  color: #ffffff;
}

.projects-section .section-title {
  color: #ffffff;
}

.projects-section .section-desc {
  color: #94a3b8;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.project-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 340px;
  box-shadow: var(--shadow-xl);
}

.project-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15,23,42,0.1) 0%, rgba(15,23,42,0.92) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 30px;
}

.project-category {
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.project-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: #ffffff;
  margin: 6px 0 10px 0;
}

.project-meta {
  font-size: 0.88rem;
  color: #cbd5e1;
}

/* Referanslar Vitrini */
.references-section {
  padding: 60px 0;
  background: #ffffff;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.references-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
  align-items: center;
}

.reference-box {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
  border-radius: var(--radius-sm);
  background: #ffffff;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.reference-box:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.reference-box img {
  max-height: 42px;
  width: auto;
  opacity: 0.85;
  transition: var(--transition);
}

.reference-box:hover img {
  opacity: 1;
}

/* ==========================================================================
   FOOTER (KURUMSAL VE DETAYLI)
   ========================================================================== */
.site-footer {
  background: #090d16;
  color: #94a3b8;
  padding-top: 70px;
  border-top: 3px solid var(--accent);
}

.footer-top {
  padding-bottom: 50px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 22px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 36px;
  height: 2px;
  background: var(--accent);
}

.footer-about p {
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: 20px;
  color: #94a3b8;
}

.footer-links li {
  margin-bottom: 11px;
}

.footer-links a {
  color: #cbd5e1;
  font-size: 0.92rem;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-links a:hover {
  color: var(--accent);
  transform: translateX(4px);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  color: #cbd5e1;
  font-size: 0.92rem;
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 2;
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-contact-item a:hover {
  color: var(--accent);
}

.footer-bottom {
  background: #04060a;
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.85rem;
  color: #64748b;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.paytr-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #cbd5e1;
  font-weight: 600;
  font-size: 0.82rem;
}

/* ==========================================================================
   İÇ SAYFALAR: ÜRÜN DETAY, SEPET, CHECKOUT, İLETİŞİM
   ========================================================================== */
.page-header {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #ffffff;
  padding: 48px 0;
  margin-bottom: 40px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: #94a3b8;
  margin-bottom: 12px;
}

.breadcrumb a:hover {
  color: var(--accent);
}

.breadcrumb-separator {
  color: #64748b;
}

.page-title {
  font-size: 2.2rem;
  color: #ffffff;
  font-weight: 800;
}

/* Ürün Detay Grid */
.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  margin-bottom: 60px;
}

.product-gallery-main {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: #ffffff;
  height: 480px;
  margin-bottom: 16px;
}

.product-gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-info-panel h1 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.product-sku {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.detail-price-box {
  background: #f8fafc;
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  margin-bottom: 24px;
}

.detail-current-price {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
  font-family: var(--font-heading);
}

/* Taksit Tablosu Modal/Accordion */
.installment-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  background: #ffffff;
  margin-bottom: 24px;
}

.installment-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin-top: 12px;
}

.installment-table th, 
.installment-table td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.installment-table th {
  background: #f8fafc;
  font-weight: 700;
  color: var(--primary);
}

/* Sepet ve Ödeme Formları */
.cart-table {
  width: 100%;
  border-collapse: collapse;
  background: #ffffff;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

.cart-table th,
.cart-table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.cart-table th {
  background: #f8fafc;
  font-weight: 700;
  color: var(--primary);
}

.cart-summary-box {
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.summary-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 14px;
  font-size: 0.95rem;
}

.summary-row.total-row {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--primary);
  border-top: 2px solid var(--border-color);
  padding-top: 14px;
  margin-top: 14px;
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--primary);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  transition: var(--transition);
  background: #ffffff;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(238, 104, 35, 0.15);
}

/* Toast Bildirimleri */
.toast-notice {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--primary);
  color: #ffffff;
  padding: 14px 22px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 9999;
  animation: slideInRight 0.3s ease;
  border-left: 4px solid var(--accent);
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* ==========================================================================
   RESPONSIVE UYUMLULUK
   ========================================================================== */
.show-on-mobile {
  display: none;
}

@media (max-width: 1024px) {
  .categories-grid,
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .references-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .nav-dmo-links {
    display: none;
  }
}

@media (max-width: 992px) {
  .hide-on-mobile {
    display: none !important;
  }
  .show-on-mobile {
    display: block !important;
  }
  .header-search-wrapper {
    display: none; /* Mobilde header-main-row yerine mobile-search-bar içinde gösterilir */
  }
  .header-nav-row {
    display: none;
  }
  .mobile-toggle-btn {
    display: block;
  }
  .mobile-search-bar {
    display: block;
  }
  .top-header-inner {
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 6px 0;
  }
  .top-contact-list {
    justify-content: center;
    gap: 12px;
    font-size: 0.78rem;
  }
  .top-header-right {
    width: 100%;
    justify-content: space-between;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 6px;
  }
}

@media (max-width: 768px) {
  .top-header-right {
    flex-wrap: wrap;
    gap: 8px;
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .categories-grid,
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .projects-grid {
    grid-template-columns: 1fr;
  }
  .product-detail-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .categories-grid,
  .products-grid {
    grid-template-columns: 1fr;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .hero-btns {
    flex-direction: column;
    width: 100%;
  }
  .hero-btns a {
    width: 100%;
  }
  .top-announcement {
    font-size: 0.75rem;
  }
}