/* ===================================================================
   BARTEKNIK MAKİNA - KURUMSAL MARKA TASARIM SİSTEMİ
   Ana Renk: #C62628 | Zemin: #FFFFFF | Metin: Slate / Koyu Gri
   =================================================================== */

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

:root {
  /* ===================================================================
     1. MARKA RENK PALETİ (CSS DEĞİŞKENLERİ)
     =================================================================== */
  --primary: #C62628;             /* Logo Ana Kırmızı */
  --primary-hover: #A81B1D;       /* Buton hover koyu kırmızı */
  --primary-active: #8B1416;      /* Aktif basılma kırmızısı */
  --primary-light: #FEE2E2;       /* Açık kırmızı tonu */
  --primary-subtle: #FFF1F2;      /* Arka plan vurgusu için yumuşak kırmızı */
  --primary-glow: rgba(198, 38, 40, 0.22);
  --primary-border: rgba(198, 38, 40, 0.25);
  
  --white: #FFFFFF;               /* Saf Beyaz */
  
  /* Yardımcı ve Vurgu Renkleri */
  --accent: #C62628;              /* Vurgular marka kırmızısına bağlı */
  --accent-hover: #A81B1D;
  --accent-glow: rgba(198, 38, 40, 0.22);
  --cyan: #C62628;                /* Eski şablondan kalan referanslar için marka kırmızısı */

  /* Koyu Nötrler (İkincil butonlar ve zemin kontrastları için) */
  --dark: #0F172A;                /* Slate 900 */
  --dark-hover: #1E293B;          /* Slate 800 */
  
  /* Durum Renkleri */
  --green: #16A34A;
  --green-light: #DCFCE7;
  --red: #C62628;
  --amber: #D97706;
  --amber-light: #FEF3C7;
  
  /* ===================================================================
     2. ZEMİN RENKLERİ (AĞIRLIKLI BEYAZ VE AÇIK GRİLER)
     =================================================================== */
  --bg-page: #FFFFFF;             /* Sayfa ana zemini */
  --bg-surface: #FFFFFF;          /* Kart ve modül yüzeyleri */
  --bg-card: #FFFFFF;
  --bg-card-hover: #FFFFFF;
  --bg-subtle: #F8FAFC;           /* Bölüm geçişleri için yumuşak açık gri (Slate 50) */
  --bg-subtle-alt: #F1F5F9;       /* Slate 100 */
  --bg-dark: #FFFFFF;             /* Eski koyu değişken beyaz zemine bağlandı */
  --bg-footer: #0F172A;           /* Kurumsal ağırbaşlı koyu gri/slate footer */
  
  /* ===================================================================
     3. KENARLIK VE ÇİZGİLER
     =================================================================== */
  --border-color: #E2E8F0;        /* Slate 200 - Temiz ve hafif kenarlık */
  --border-subtle: #F1F5F9;       /* Slate 100 */
  --border-highlight: rgba(198, 38, 40, 0.25);
  --border-dark: #CBD5E1;         /* Slate 300 */
  
  /* ===================================================================
     4. TİPOGRAFİ VE METİN RENKLERİ (YÜKSEK OKUNURLUKLU KOYU GRİLER)
     =================================================================== */
  --text-heading: #0F172A;        /* Başlıklar: Slate 900 (Koyu ve net) */
  --text-main: #1E293B;           /* Ana metin: Slate 800 */
  --text-body: #334155;           /* Paragraflar: Slate 700 */
  --text-muted: #64748B;          /* Yardımcı bilgiler: Slate 500 */
  --text-dim: #94A3B8;            /* Açık gri ipuçları: Slate 400 */
  --text-white: #FFFFFF;          /* Beyaz metin */
  
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* ===================================================================
     5. YUVARLAMA VE GÖLGELENDİRME
     =================================================================== */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  --shadow-xs: 0 1px 3px rgba(15, 23, 42, 0.05);
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 6px 20px -2px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 14px 34px -4px rgba(15, 23, 42, 0.12);
  --shadow-glow: 0 4px 18px var(--primary-glow);
  --shadow-card: 0 2px 10px rgba(15, 23, 42, 0.05);
  --shadow-card-hover: 0 12px 30px rgba(198, 38, 40, 0.12), 0 4px 12px rgba(15, 23, 42, 0.05);
  
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ===================================================================
   GENEL SIFIRLAMA & TEMEL STİLLER
   =================================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

/* Google Translate Gizleme */
.goog-te-banner-frame.skiptranslate,
body > .skiptranslate {
  display: none !important;
}
body {
  top: 0px !important;
}
#google_translate_element {
  display: none;
}

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

p {
  color: var(--text-body);
}

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

a:hover {
  color: var(--primary);
}

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

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ===================================================================
   ÜST BİLGİ BARI (TOP BAR)
   =================================================================== */
.top-bar {
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border-color);
  font-size: 0.825rem;
  padding: 0.55rem 0;
  color: var(--text-muted);
}
.top-bar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.top-contact-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.top-contact-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--text-body);
  font-weight: 500;
}
.top-contact-links a:hover {
  color: var(--primary);
}
.top-contact-links a i,
.top-contact-links span i {
  color: var(--primary);
}
.top-contact-links span {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}
.top-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Dil Seçici (TR / EN / DE) */
.lang-selector {
  display: flex;
  align-items: center;
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: 2px 4px;
  box-shadow: var(--shadow-xs);
}
.lang-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
}
.lang-btn:hover {
  color: var(--text-heading);
}
.lang-btn.active {
  background: var(--primary);
  color: #FFFFFF;
  box-shadow: 0 2px 8px var(--primary-glow);
}

.admin-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--text-body);
  background: #FFFFFF;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  box-shadow: var(--shadow-xs);
}
.admin-link-btn:hover {
  color: var(--primary);
  background: var(--primary-subtle);
  border-color: var(--primary-border);
}
.admin-link-btn i {
  color: var(--primary);
}

/* ===================================================================
   ANA HEADER VE MENÜ
   =================================================================== */
.main-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}
.main-header.scrolled {
  box-shadow: var(--shadow-sm);
  background: #FFFFFF;
}
.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}
.brand-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}
.brand-logo-img {
  height: 44px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
  background: transparent;
  display: block;
  transition: transform 0.2s ease;
}
.brand-logo:hover .brand-logo-img {
  transform: scale(1.02);
}

/* Menü Öğeleri */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}
.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-body);
  position: relative;
  padding: 0.5rem 0;
  transition: var(--transition);
}
.nav-link:hover,
.nav-link.active {
  color: var(--primary);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2.5px;
  background: var(--primary);
  transition: width 0.25s ease;
  border-radius: 2px;
}
.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* ===================================================================
   BUTONLAR
   Yazılar beyaz, kırmızı zemin üzerinde yüksek kontrast
   =================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

/* Ana Kırmızı Buton */
.btn-primary {
  background: var(--primary);
  color: #FFFFFF !important;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover {
  background: var(--primary-hover);
  color: #FFFFFF !important;
  box-shadow: 0 6px 22px rgba(198, 38, 40, 0.4);
  transform: translateY(-2px);
}

/* Vurgu Butonu (Aynı şekilde kırmızı ve beyaz metin) */
.btn-accent {
  background: var(--primary);
  color: #FFFFFF !important;
  box-shadow: var(--shadow-glow);
}
.btn-accent:hover {
  background: var(--primary-hover);
  color: #FFFFFF !important;
  box-shadow: 0 6px 22px rgba(198, 38, 40, 0.4);
  transform: translateY(-2px);
}

/* Çerçeveli / Beyaz Buton */
.btn-outline {
  background: #FFFFFF;
  border: 1.5px solid var(--border-color);
  color: var(--text-heading);
  box-shadow: var(--shadow-xs);
}
.btn-outline:hover {
  background: var(--primary-subtle);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

/* Koyu Kontrast Buton (Hero arama gibi alanlar için) */
.btn-dark {
  background: var(--dark);
  color: #FFFFFF !important;
  box-shadow: var(--shadow-xs);
}
.btn-dark:hover {
  background: var(--primary);
  color: #FFFFFF !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-sm {
  padding: 0.45rem 1.1rem;
  font-size: 0.85rem;
}

/* Mobil Menü Aç/Kapat Butonu */
.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-heading);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ===================================================================
   HERO (GİRİŞ) ALANI
   Aydınlık, ferah, yüksek prestijli beyaz endüstriyel tema
   =================================================================== */
.hero-section {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  padding: 4.5rem 0;
  overflow: hidden;
  background: 
    radial-gradient(circle at 85% 20%, rgba(198, 38, 40, 0.05) 0%, transparent 60%),
    radial-gradient(circle at 10% 80%, rgba(15, 23, 42, 0.03) 0%, transparent 50%),
    linear-gradient(180deg, #FFFFFF 0%, var(--bg-subtle) 100%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 3.5rem;
  position: relative;
  z-index: 2;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--primary-subtle);
  border: 1px solid var(--primary-border);
  border-radius: var(--radius-full);
  padding: 0.4rem 1.1rem;
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}
.hero-badge-pulse {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--primary);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.7; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.7; }
}
.hero-title {
  font-size: 3.35rem;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  font-weight: 800;
  color: var(--text-heading);
}
.hero-title-highlight {
  color: var(--primary);
  position: relative;
}
.hero-desc {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-body);
  margin-bottom: 2rem;
  max-width: 600px;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.hero-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1.75rem;
}
.hero-feature-item {
  display: flex;
  flex-direction: column;
}
.hero-feature-val {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--primary);
}
.hero-feature-lbl {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.hero-visual {
  position: relative;
}
.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  background: #FFFFFF;
}
.hero-image-wrapper img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.hero-image-wrapper:hover img {
  transform: scale(1.03);
}
.hero-floating-card {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--shadow-lg);
}
.hero-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--primary-subtle);
  border: 1px solid var(--primary-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.4rem;
}
.hero-card-info h4 {
  font-size: 1rem;
  margin-bottom: 2px;
  color: var(--text-heading);
}
.hero-card-info p {
  font-size: 0.825rem;
  color: var(--text-muted);
}

/* ===================================================================
   BÖLÜM BAŞLIKLARI (SECTION HEADERS)
   =================================================================== */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3.5rem auto;
}
.section-subtitle {
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 2px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
  display: block;
}
.section-title {
  font-size: 2.35rem;
  margin-bottom: 1rem;
  color: var(--text-heading);
}
.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* ===================================================================
   ÜRÜNLER BÖLÜMÜ VE KATEGORİ TABLARI
   =================================================================== */
.section {
  padding: 6rem 0;
  background: var(--bg-subtle);
}

.tabs-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2.75rem;
  flex-wrap: wrap;
}
.tab-btn {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  color: var(--text-body);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.925rem;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: var(--shadow-xs);
}
.tab-btn:hover {
  color: var(--primary);
  border-color: var(--primary-border);
  background: var(--primary-subtle);
}
.tab-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #FFFFFF;
  box-shadow: var(--shadow-glow);
}

/* Ürün Kartları Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
}
.product-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow-card);
}
.product-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary-border);
  box-shadow: var(--shadow-card-hover);
}
.product-image-box {
  position: relative;
  height: 230px;
  overflow: hidden;
  background: #F8FAFC;
  border-bottom: 1px solid var(--border-color);
}
.product-image-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.product-card:hover .product-image-box img {
  transform: scale(1.05);
}
.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border: 1px solid var(--primary-border);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary);
  box-shadow: var(--shadow-xs);
}
.product-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}
.product-meta {
  font-size: 0.8rem;
  color: var(--primary);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
  letter-spacing: 0.5px;
}
.product-name {
  font-size: 1.3rem;
  margin-bottom: 0.65rem;
  font-weight: 700;
  color: var(--text-heading);
}
.product-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}
.product-specs-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  margin-bottom: 1.25rem;
  font-size: 0.825rem;
}
.product-spec-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.product-spec-key {
  color: var(--text-muted);
}
.product-spec-val {
  color: var(--text-heading);
  font-weight: 600;
}
.product-footer {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
}

/* ===================================================================
   YEDEK PARÇA BÖLÜMÜ (SPARE PARTS)
   =================================================================== */
.spare-parts-section {
  padding: 6rem 0;
  background: #FFFFFF;
  position: relative;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}
.spare-search-bar {
  max-width: 680px;
  margin: 0 auto 3rem auto;
  position: relative;
  display: flex;
  align-items: center;
}
.spare-search-input {
  width: 100%;
  background: #FFFFFF;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: 1rem 1.75rem 1rem 3.25rem;
  color: var(--text-heading);
  font-size: 1rem;
  font-family: var(--font-body);
  outline: none;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.spare-search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-glow);
}
.spare-search-icon {
  position: absolute;
  left: 1.25rem;
  color: var(--primary);
  font-size: 1.2rem;
}

/* Yedek Parça Kartları */
.spare-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.75rem;
}
.spare-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  box-shadow: var(--shadow-card);
}
.spare-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary-border);
  box-shadow: var(--shadow-card-hover);
}
.spare-thumb {
  height: 160px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 1rem;
  background: #F1F5F9;
  border: 1px solid var(--border-color);
}
.spare-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.spare-code {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-subtle);
  border: 1px solid var(--primary-border);
  padding: 2px 8px;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 0.5rem;
  width: fit-content;
}
.spare-title {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--text-heading);
}
.spare-compat {
  font-size: 0.825rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  flex-grow: 1;
}
.spare-compat strong {
  color: var(--text-main);
}
.spare-stock-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  font-size: 0.825rem;
}
.stock-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-weight: 600;
}
.stock-badge.in-stock {
  color: var(--green);
}
.stock-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* ===================================================================
   2. EL ÜRÜNLER (SECOND HAND)
   =================================================================== */
.second-hand-section {
  padding: 6rem 0;
  position: relative;
  background: var(--bg-subtle);
}
.sh-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 2rem;
}
.sh-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
}
.sh-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary-border);
  box-shadow: var(--shadow-card-hover);
}
.sh-media {
  position: relative;
  height: 220px;
  background: #F8FAFC;
  border-bottom: 1px solid var(--border-color);
}
.sh-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.sh-warranty-badge {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: rgba(22, 163, 74, 0.95);
  color: #FFFFFF;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 4px;
  box-shadow: var(--shadow-xs);
}
.sh-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}
.sh-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--text-heading);
}
.sh-specs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  margin-bottom: 1.25rem;
  font-size: 0.825rem;
}
.sh-spec-item span {
  display: block;
  color: var(--text-muted);
  font-size: 0.75rem;
}
.sh-spec-item strong {
  color: var(--text-heading);
  font-weight: 600;
}

/* ===================================================================
   NEDEN BARTEKNIK (HAKKIMIZDA / KURUMSAL)
   =================================================================== */
.features-section {
  padding: 6rem 0;
  background: #FFFFFF;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}
.feature-box {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  transition: var(--transition);
  box-shadow: var(--shadow-card);
}
.feature-box:hover {
  transform: translateY(-4px);
  border-color: var(--primary-border);
  box-shadow: var(--shadow-card-hover);
}
.feature-icon-wrapper {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--primary-subtle);
  border: 1px solid var(--primary-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.6rem;
  margin-bottom: 1.25rem;
}
.feature-box h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--text-heading);
}
.feature-box p {
  font-size: 0.925rem;
  line-height: 1.6;
  color: var(--text-body);
}

/* ===================================================================
   İLETİŞİM VE TEKLİF FORMU
   =================================================================== */
.contact-section {
  padding: 6rem 0;
  position: relative;
  background: var(--bg-subtle);
}
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3.5rem;
  align-items: start;
}
.contact-info-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  box-shadow: var(--shadow-card);
}
.contact-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.contact-item-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--primary-subtle);
  border: 1px solid var(--primary-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.25rem;
  flex-shrink: 0;
}
.contact-item-text h4 {
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
  color: var(--text-heading);
}
.contact-item-text p,
.contact-item-text a {
  color: var(--text-body);
  font-size: 0.9rem;
}
.contact-item-text a:hover {
  color: var(--primary);
}

/* Form Kartı */
.form-box {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  box-shadow: var(--shadow-card);
}
.form-group {
  margin-bottom: 1.25rem;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 0.4rem;
}
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  background: #FFFFFF;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  color: var(--text-heading);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition);
}
.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-dim);
}
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}
.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* ===================================================================
   MODAL PENCERESİ (ÜRÜN DETAYI)
   =================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(6px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
.modal-overlay.active {
  display: flex;
}
.modal-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  max-width: 720px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-lg);
  padding: 2.25rem;
  color: var(--text-body);
}
.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-heading);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition);
}
.modal-close-btn:hover {
  background: var(--primary-subtle);
  color: var(--primary);
  border-color: var(--primary-border);
}

/* ===================================================================
   TOAST BİLDİRİMİ
   =================================================================== */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1rem 1.5rem;
  color: var(--text-heading);
  font-size: 0.925rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 3000;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transform: translateY(100px);
  opacity: 0;
  transition: var(--transition);
}
.toast.active {
  transform: translateY(0);
  opacity: 1;
}
.toast.success {
  border-left: 4px solid var(--green);
}
.toast.error {
  border-left: 4px solid var(--primary);
}

/* ===================================================================
   FOOTER (ALT BİLGİ ALANI)
   Kurumsal koyu slate zemin, beyaz ve açık gri metin, kırmızı vurgular
   =================================================================== */
.main-footer {
  background: var(--bg-footer);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 5rem 0 2rem 0;
  color: #94A3B8;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}
.footer-brand p {
  margin: 1.25rem 0;
  font-size: 0.925rem;
  line-height: 1.7;
  color: #94A3B8;
}
.footer-brand .brand-logo-img {
  background: #FFFFFF;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  display: inline-block;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}
.footer-col h4 {
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  color: #FFFFFF;
  position: relative;
  padding-bottom: 0.5rem;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2.5px;
  background: var(--primary);
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.footer-links a {
  color: #94A3B8;
  font-size: 0.9rem;
}
.footer-links a:hover {
  color: #FFFFFF;
  padding-left: 4px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: #64748B;
  flex-wrap: wrap;
  gap: 1rem;
}

/* SPS Ajans Telif Bağlantısı */
.sps-credit {
  display: flex;
  align-items: center;
}
.sps-credit-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #94A3B8;
  text-decoration: none;
  font-size: 0.825rem;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: var(--transition);
}
.sps-credit-link:hover {
  color: #FFFFFF;
  background: rgba(198, 38, 40, 0.15);
  border-color: rgba(198, 38, 40, 0.4);
}
.sps-logo-img {
  height: 22px;
  width: auto;
  object-fit: contain;
  vertical-align: middle;
}

/* ===================================================================
   WHATSAPP VE HIZLI ERİŞİM BUTONLARI
   =================================================================== */
.btn-whatsapp {
  background: #25D366 !important;
  color: #FFFFFF !important;
  border: none !important;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
  transition: var(--transition);
}
.btn-whatsapp:hover {
  background: #20BA5A !important;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
  transform: translateY(-2px);
}
.btn-whatsapp-icon {
  background: #25D366 !important;
  color: #FFFFFF !important;
  border: none !important;
  transition: var(--transition);
}
.btn-whatsapp-icon:hover {
  background: #20BA5A !important;
  transform: translateY(-2px);
}

.floating-whatsapp {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25D366;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.85rem;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: var(--transition);
}
.floating-whatsapp:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 26px rgba(37, 211, 102, 0.6);
}

/* ===================================================================
   RESPONSIVE (DUYARLI) TASARIM
   =================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-desc {
    margin: 0 auto 2rem auto;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-features {
    max-width: 500px;
    margin: 0 auto;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.35rem;
  }
  .nav-menu {
    position: fixed;
    top: 78px;
    left: 0;
    width: 100%;
    background: #FFFFFF;
    flex-direction: column;
    padding: 2rem;
    gap: 1.25rem;
    border-bottom: 2px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    transform: translateY(-150%);
    transition: transform 0.3s ease;
  }
  .nav-menu.open {
    transform: translateY(0);
  }
  .mobile-toggle {
    display: block;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .top-bar-content {
    justify-content: center;
  }
  .hero-floating-card {
    position: static;
    margin-top: 1rem;
    width: 100%;
  }
}

@media (max-width: 480px) {
  .hero-features {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .products-grid {
    grid-template-columns: 1fr;
  }
  .spare-grid {
    grid-template-columns: 1fr;
  }
  .sh-grid {
    grid-template-columns: 1fr;
  }
  .top-contact-links {
    flex-direction: column;
    gap: 0.4rem;
  }
}