/* ================================================================= */
/* 1. KÖK DEĞİŞKENLER: MODERN PROFESYONEL PALETİ
/* ================================================================= */
:root {
  /* Ana Renkler */
  --primary-color: #1a1d29; /* Derin Antrasit - Premium ve profesyonel */
  --secondary-color: #2d3748; /* Orta Gri - Dengeli ve modern */
  --accent-color: #3182ce; /* Canlı Mavi - Güven verici ve modern */
  --accent-hover: #2c5aa0; /* Hover durumu için daha koyu mavi */
  
  /* Nötr Renkler */
  --light-color: #f8fafc; /* Çok açık gri - Temiz ve minimal */
  --dark-color: #0f1419; /* Çok koyu - Derinlik için */
  --surface-color: #ffffff; /* Yüzey rengi - Kartlar ve paneller için */
  
  /* Metin Renkleri */
  --text-primary: #1a202c; /* Ana metin - Yüksek kontrast */
  --text-secondary: #4a5568; /* İkincil metin - Dengeli okunabilirlik */
  --text-muted: #718096; /* Soluk metin - Yardımcı bilgiler için */
  --text-light: #ffffff; /* Açık zemin üstü metin */
  
  /* Durum Renkleri */
  --success-color: #38a169; /* Başarı - Yeşil */
  --warning-color: #d69e2e; /* Uyarı - Sarı */
  --error-color: #e53e3e; /* Hata - Kırmızı */
  --info-color: #3182ce; /* Bilgi - Mavi */
  
  /* Gölgeler ve Efektler */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1); /* Küçük gölge */
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1); /* Orta gölge */
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1); /* Büyük gölge */
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1); /* Çok büyük gölge */
  
  /* Border ve Radius */
  --border-radius-sm: 4px; /* Küçük köşeler */
  --border-radius: 8px; /* Standart köşeler */
  --border-radius-lg: 12px; /* Büyük köşeler */
  --border-radius-xl: 16px; /* Çok büyük köşeler */
  --border-color: #e2e8f0; /* Border rengi */
  --border-color-light: #f1f5f9; /* Açık border */
  
  /* Spacing Sistemi */
  --spacing-xs: 0.25rem; /* 4px */
  --spacing-sm: 0.5rem; /* 8px */
  --spacing-md: 1rem; /* 16px */
  --spacing-lg: 1.5rem; /* 24px */
  --spacing-xl: 2rem; /* 32px */
  --spacing-2xl: 3rem; /* 48px */
  --spacing-3xl: 4rem; /* 64px */
  
  /* Geçişler */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
  
  /* Z-Index Katmanları */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* ================================================================= */
/* 2. GENEL STİLLER VE TİPOGRAFİ
/* ================================================================= */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Poppins:wght@300;400;500;600;700;800&display=swap");

/* Reset ve Base Styles */
* {
  box-sizing: border-box;
}

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

body {
  font-family: "Inter", "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text-primary);
  line-height: 1.6;
  background-color: var(--surface-color);
  font-size: 1rem;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* Tipografi Hiyerarşisi */
h1, h2, h3, h4, h5, h6 {
  font-family: "Poppins", sans-serif;
  font-weight: 600;
  color: var(--primary-color);
  line-height: 1.2;
  margin: 0 0 var(--spacing-lg) 0;
  letter-spacing: -0.025em;
}

h1 {
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: -0.05em;
}

h2 {
  font-size: 2.25rem;
  font-weight: 600;
}

h3 {
  font-size: 1.875rem;
  font-weight: 600;
}

h4 {
  font-size: 1.5rem;
  font-weight: 600;
}

h5 {
  font-size: 1.25rem;
  font-weight: 600;
}

h6 {
  font-size: 1.125rem;
  font-weight: 600;
}

/* Paragraf ve Metin Stilleri */
p {
  margin: 0 0 var(--spacing-md) 0;
  color: var(--text-secondary);
  line-height: 1.7;
}

.lead {
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
}

.text-muted {
  color: var(--text-muted);
}

.text-primary {
  color: var(--primary-color);
}

.text-secondary {
  color: var(--secondary-color);
}

.text-accent {
  color: var(--accent-color);
}

/* Link Stilleri */
a {
  color: var(--accent-color);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

a:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
}

/* Liste Stilleri */
ul, ol {
  margin: 0 0 var(--spacing-md) 0;
  padding-left: var(--spacing-lg);
}

li {
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
}

/* Responsive Tipografi */
@media (max-width: 768px) {
  h1 {
    font-size: 2.25rem;
  }
  
  h2 {
    font-size: 1.875rem;
  }
  
  h3 {
    font-size: 1.5rem;
  }
  
  .lead {
    font-size: 1.125rem;
  }
}

/* ================================================================= */
/* 3. BOOTSTRAP SINIFLARINI YENİ PALETİMİZLE EZME
/* ================================================================= */
.bg-primary {
  background-color: var(--primary-color) !important;
}
.bg-secondary {
  background-color: var(--secondary-color) !important;
}
.bg-dark {
  background-color: var(--dark-color) !important;
}
.bg-light {
  background-color: var(--light-color) !important;
}
.bg-surface {
  background-color: var(--surface-color) !important;
}

.text-primary {
  color: var(--primary-color) !important;
}
.text-secondary {
  color: var(--secondary-color) !important;
}
.text-muted {
  color: var(--text-muted) !important;
}

/* Modern Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  border-radius: var(--border-radius);
  font-weight: 500;
  font-size: 0.875rem;
  padding: var(--spacing-sm) var(--spacing-lg);
  transition: all var(--transition-normal);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  user-select: none;
  box-shadow: var(--shadow-sm);
}

.btn:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

/* Button Variants */
.btn-primary {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
  color: var(--text-light);
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
  color: var(--text-light);
}

.btn-secondary:hover {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline-primary {
  color: var(--accent-color);
  border: 1px solid var(--accent-color);
  background: transparent;
}

.btn-outline-primary:hover {
  background-color: var(--accent-color);
  color: var(--text-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline-secondary {
  color: var(--secondary-color);
  border: 1px solid var(--secondary-color);
  background: transparent;
}

.btn-outline-secondary:hover {
  background-color: var(--secondary-color);
  color: var(--text-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-ghost {
  color: var(--accent-color);
  border: none;
  background: transparent;
  box-shadow: none;
}

.btn-ghost:hover {
  background-color: rgba(49, 130, 206, 0.1);
  color: var(--accent-hover);
  transform: translateY(-1px);
}

/* Button Sizes */
.btn-sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.75rem;
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1rem;
}

.btn-xl {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: 1.125rem;
}

/* Button States */
.btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn-loading {
  position: relative;
  color: transparent;
}

.btn-loading::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  top: 50%;
  left: 50%;
  margin-left: -8px;
  margin-top: -8px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ================================================================= */
/* 4. BİLEŞEN STİLLERİ (COMPONENTS)
/* ================================================================= */

/* MODERN NAVBAR */
.navbar {
  padding: var(--spacing-md) 0;
  transition: all var(--transition-normal);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
body.home .navbar {
  background: rgba(26, 29, 41, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-md);
  border-bottom: 1px solid var(--border-color-light);
}
.navbar-brand {
  font-family: "Poppins", sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--text-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.navbar.scrolled .navbar-brand {
  color: var(--primary-color);
}

.navbar-nav {
  gap: var(--spacing-lg);
}

.nav-link {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}
.navbar.scrolled .nav-link {
  color: var(--text-secondary);
}
.nav-link:hover {
  color: var(--text-light);
  background-color: rgba(255, 255, 255, 0.1);
}
.navbar.scrolled .nav-link.active,
.navbar.scrolled .nav-link:hover {
  color: var(--accent-color);
}

/* MODERN HERO SLIDER & PAGE HEADER */
.hero-slider,
.page-header {
  position: relative;
  color: var(--text-light);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.hero-slider::after,
.page-header::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(26, 29, 41, 0.8),
    rgba(15, 20, 25, 0.9)
  );
  backdrop-filter: blur(1px);
}

.swiper-slide .container,
.page-header .container {
  position: relative;
  z-index: 10;
  text-align: center;
}

.hero-slider h1,
.page-header h1 {
  color: var(--text-light);
  text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
  margin-bottom: var(--spacing-lg);
  animation: fadeInUp 1s ease-out;
}

.hero-slider .lead,
.page-header .lead {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.25rem;
  margin-bottom: var(--spacing-2xl);
  animation: fadeInUp 1s ease-out 0.2s both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* MODERN CARD SYSTEM */
.card,
.product-card,
.contact-card {
  border: 1px solid var(--border-color-light);
  background-color: var(--surface-color);
  box-shadow: var(--shadow-sm);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-normal);
  overflow: hidden;
  position: relative;
}

.card::before,
.product-card::before,
.contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-color), var(--accent-hover));
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

.card:hover,
.product-card:hover,
.contact-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent-color);
}

.card:hover::before,
.product-card:hover::before,
.contact-card:hover::before {
  transform: scaleX(1);
}

.card-body {
  padding: var(--spacing-xl);
}

.card-title {
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  font-size: 1.25rem;
}

.card-text {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
}

.card-img-container {
  overflow: hidden;
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
  position: relative;
}

.card-img-top {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card:hover .card-img-top {
  transform: scale(1.05);
}

.product-card .card-img-top {
  aspect-ratio: 4/3;
  height: auto;
}

/* Card Variants */
.card-elevated {
  box-shadow: var(--shadow-lg);
}

.card-flat {
  box-shadow: none;
  border: 1px solid var(--border-color);
}

.card-outlined {
  border: 2px solid var(--accent-color);
  background: transparent;
}

/* MODERN COMPONENTS */

/* Feature Icons */
.feature-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
  color: var(--text-light);
  font-size: 2rem;
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.feature-icon:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: var(--shadow-lg);
}

/* Footer Links */
.footer-link {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color var(--transition-fast);
  display: inline-block;
  padding: var(--spacing-xs) 0;
}

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

/* Social Icons */
.social-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  color: rgba(255, 255, 255, 0.7);
  color: var(--text-light);
  font-size: 1.2rem;
  transition: all var(--transition-normal);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  margin: 0 var(--spacing-xs);
}

.social-icon:hover {
  background-color: var(--accent-color);
  color: var(--text-light);
  border-color: var(--accent-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Filter Buttons */
.filter-btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  border: 1px solid var(--border-color);
  background: var(--surface-color);
  color: var(--text-secondary);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
  cursor: pointer;
  font-weight: 500;
}

.filter-btn:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
  background: rgba(49, 130, 206, 0.05);
}

.filter-btn.active {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
  color: var(--text-light);
  box-shadow: var(--shadow-sm);
}

/* Counter Section */
.counter-section {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--text-light);
  padding: var(--spacing-3xl) 0;
  position: relative;
  overflow: hidden;
}

.counter-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.3;
}

/* Form Controls */
.form-control {
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.875rem;
  transition: all var(--transition-fast);
  background-color: var(--surface-color);
}

.form-control:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.1);
  outline: none;
}

.form-control::placeholder {
  color: var(--text-muted);
}

/* Back to Top Button */
.back-to-top-btn {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
  color: var(--text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  text-decoration: none;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: var(--z-fixed);
  box-shadow: var(--shadow-lg);
}

.back-to-top-btn.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top-btn:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  color: var(--text-light);
}

/* SWIPER CUSTOMIZATION */
.swiper .swiper-button-next,
.swiper .swiper-button-prev {
  color: var(--text-light);
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
}

.swiper .swiper-button-next:hover,
.swiper .swiper-button-prev:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.1);
}

.swiper .swiper-pagination-bullet {
  background: rgba(255, 255, 255, 0.5);
  opacity: 1;
  transition: all var(--transition-fast);
}

.swiper .swiper-pagination-bullet-active {
  background-color: var(--accent-color);
  transform: scale(1.2);
}

/* RESPONSIVE DESIGN */
@media (max-width: 1200px) {
  .container {
    padding: 0 var(--spacing-lg);
  }
  
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
}

@media (max-width: 992px) {
  .navbar-nav {
    gap: var(--spacing-md);
  }
  
  .nav-link {
    font-size: 0.8rem;
    padding: var(--spacing-xs) var(--spacing-sm);
  }
  
  .card-body {
    padding: var(--spacing-lg);
  }
  
  .feature-icon {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }
}

@media (max-width: 768px) {
  .navbar {
    padding: var(--spacing-sm) 0;
  }
  
  .navbar-brand {
    font-size: 1.25rem;
  }
  
  .hero-slider,
  .page-header {
    min-height: 70vh;
    padding: var(--spacing-2xl) 0;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  h3 {
    font-size: 1.5rem;
  }
  
  .lead {
    font-size: 1rem;
  }
  
  .btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.8rem;
  }
  
  .card-body {
    padding: var(--spacing-md);
  }
  
  .feature-icon {
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
  }
  
  .social-icon {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }
  
  .back-to-top-btn {
    width: 48px;
    height: 48px;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    font-size: 1.25rem;
  }
}

@media (max-width: 576px) {
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .navbar-brand {
    font-size: 1.125rem;
  }
  
  .nav-link {
    font-size: 0.75rem;
    padding: var(--spacing-xs);
  }
  
  h1 {
    font-size: 1.75rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  h3 {
    font-size: 1.25rem;
  }
  
  .btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
  }
  
  .card-body {
    padding: var(--spacing-sm);
  }
  
  .feature-icon {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
  
  .social-icon {
    width: 32px;
    height: 32px;
    font-size: 0.9rem;
  }
  
  .back-to-top-btn {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
}

/* UTILITY CLASSES */
.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.d-flex {
  display: flex;
}

.align-items-center {
  align-items: center;
}

.justify-content-center {
  justify-content: center;
}

.justify-content-between {
  justify-content: space-between;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }
.p-5 { padding: var(--spacing-xl); }

/* ANIMATIONS */
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.animate-slide-up {
  animation: slideInUp 0.8s ease-out;
}

.animate-slide-left {
  animation: slideInLeft 0.8s ease-out;
}

.animate-slide-right {
  animation: slideInRight 0.8s ease-out;
}

.animate-pulse {
  animation: pulse 2s infinite;
}


/* ================================================================= */
/*  YENİ EKLENDİ: SCROLL-TRIGGERED ANIMATIONS (Kaydırma Animasyonları)
/* ================================================================= */
/* KULLANIM NOTU:
/* Bu animasyonların çalışması için küçük bir JavaScript kodu gerekir.
/* Bu kod, ".reveal-on-scroll" sınıfına sahip elemanlar ekrana 
/* girdiğinde onlara "is-visible" sınıfını ekler.
/*
/* 1. Animate edilecek HTML elemanına class="card reveal-on-scroll" gibi bir sınıf verin.
/* 2. Sitenizin JS dosyasına Intersection Observer API'ını kullanan
/* kısa bir script ekleyin.
*/

/* Animasyonun başlangıç durumu: Görünmez ve aşağıda */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
  will-change: opacity, transform; /* Performans için tarayıcıya ipucu */
}

/* Eleman ekrana girdiğinde eklenecek olan ve animasyonu tetikleyen sınıf */
.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ================================================================= */
/* DİL DEĞİŞTİRİCİ STİLLERİ
/* ================================================================= */
.language-switcher {
  margin-left: 1rem;
}

.language-switcher .btn {
  border-radius: var(--border-radius);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.6rem 1.2rem;
  transition: all 0.3s ease;
  border: 2px solid #ffffff;
  background-color: rgba(255, 255, 255, 0.15);
  color: #ffffff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.language-switcher .btn:hover {
  background-color: rgba(255, 255, 255, 0.25);
  border-color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.language-switcher .btn:focus {
  box-shadow: 0 0 0 0.3rem rgba(255, 255, 255, 0.4);
}

.language-switcher .btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}