:root {
	  /* Colors */
	  --bg-dark: #0c0d10;
	  --surface-dark: rgba(22, 24, 29, 0.9);
	  --surface-dark-solid: #16181d;
	  --border-dark: rgba(255, 255, 255, 0.1);
	  --bg-light: #f0f2f5;
	  --surface-light: rgba(255, 255, 255, 0.95);
	  --border-light: rgba(0, 0, 0, 0.1);
	  
	  /* Brand Colors */
	  --primary: #4776E6;
	  --primary-gradient: linear-gradient(135deg, #4776E6, #8E54E9);
	  --accent: #ff9d2f;
	  --accent-gradient: linear-gradient(135deg, #ff9d2f, #ff6126);
	  
	  /* Text Colors */
	  --text-dark: #ffffff;
	  --text-dark-muted: rgba(255, 255, 255, 0.75);
	  --text-light: #1a1a2e;
	  --text-light-muted: rgba(26, 26, 46, 0.75);
	  
	  /* UI Elements */
	  --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
	  --shadow-md: 0 8px 15px rgba(0, 0, 0, 0.08);
	  --shadow-lg: 0 15px 30px rgba(0, 0, 0, 0.12);
	  --shadow-highlight: 0 0 20px rgba(71, 118, 230, 0.3);
	  --radius-sm: 8px;
	  --radius-md: 12px;
	  --radius-lg: 20px;
	  --radius-xl: 30px;
	  
	  /* Timing */
	  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
	  --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
	  --transition-bounce: 200ms cubic-bezier(0.34, 1.56, 0.64, 1); /* Geçiş hızı artırıldı */
	  
	  /* Spacing */
	  --spacing-1: 4px;
	  --spacing-2: 8px;
	  --spacing-3: 12px;
	  --spacing-4: 16px;
	  --spacing-5: 20px;
	  --spacing-6: 24px;
	  --spacing-8: 32px;
	  --spacing-10: 40px;
	  --spacing-12: 48px;
	  --spacing-16: 64px;
	  
	  /* Blur */
	  --blur: 15px;
	  
	  /* Footer height for padding bottom */
	  --footer-height: 120px;
	  
	  /* Popup colors */
	  --success: #10b981;
	  --success-bg: rgba(16, 185, 129, 0.1);
	  --error: #ef4444;
	  --error-bg: rgba(239, 68, 68, 0.1);
	  --info: #3b82f6;
	  --info-bg: rgba(59, 130, 246, 0.1);
	  --warning: #f59e0b;
	  --warning-bg: rgba(245, 158, 11, 0.1);
	}

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

	body {
	  font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
	  font-size: 14px;
	  line-height: 1.6;
	  color: var(--text-dark);
	  background-color: var(--bg-dark);
	  background-image: url('bg.png');
	  background-size: cover;
	  background-position: center;
	  background-attachment: fixed;
	  min-height: 100vh;
	  display: flex;
	  flex-direction: column;
	  overflow-x: hidden;
	  position: relative;
	  transition: color var(--transition), background-color var(--transition);
	}

	body::before {
	  content: "";
	  position: fixed;
	  top: 0;
	  left: 0;
	  width: 100%;
	  height: 100%;
	  background: linear-gradient(135deg, rgba(12, 13, 16, 0.85), rgba(12, 13, 16, 0.95));
	  backdrop-filter: blur(3px);
	  z-index: -1;
	  transition: background var(--transition);
	}

	body.light-mode {
	  color: var(--text-light);
	  background-color: var(--bg-light);
	  background-image: url('bg.png'); /* Arka plan resmini açık temada da göster */
	}

	body.light-mode::before {
	  background: transparent; /* Remove white background */
	  backdrop-filter: blur(5px);

	}


	.container {
	  width: 100%;
	  max-width: 1440px;
	  margin: 0 auto;
	  padding: 0 var(--spacing-5);
	}

	/* Premium Effects */
	.glass {
	  background: var(--surface-dark);
	  backdrop-filter: blur(var(--blur));
	  border: 1px solid var(--border-dark);
	  box-shadow: var(--shadow-md);
	  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
	}

	.light-mode .glass {
	  background: var(--surface-light);
	  border-color: var(--border-light);
	}

	.glass:hover {
	  box-shadow: var(--shadow-lg);
	}

	/* Header */
	.header {
	  padding: var(--spacing-16) 0 var(--spacing-10);
	  text-align: center;
	  position: relative;
	}

	.header::after {
	  content: "";
	  position: absolute;
	  bottom: 0;
	  left: 50%;
	  transform: translateX(-50%);
	  width: 100px;
	  height: 3px;
	  background: var(--primary-gradient);
	  border-radius: 100px;
	}

	.brand {
	  font-size: 2.5rem;
	  font-weight: 700;
	  letter-spacing: -0.03em;
	  margin-bottom: var(--spacing-3);
	  background: var(--primary-gradient);
	  -webkit-background-clip: text;
	  background-clip: text;
	  -webkit-text-fill-color: transparent;
	  position: relative;
	  display: inline-block;
	}

	.brand::after {
	  content: "";
	  position: absolute;
	  bottom: -8px;
	  left: 50%;
	  transform: translateX(-50%);
	  width: 40px;
	  height: 2px;
	  background: var(--primary-gradient);
	  border-radius: 100px;
	  opacity: 0.7;
	}

	.tagline {
	  font-size: 1rem;
	  font-weight: 300;
	  color: var(--text-dark-muted);
	  max-width: 600px;
	  margin: var(--spacing-6) auto 0;
	  transition: color var(--transition);
	  letter-spacing: 0.5px;
	}

	.light-mode .tagline {
	  color: var(--text-light);
	  text-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
	}

	/* Main Content */
	.main-content {
	  padding: var(--spacing-12) 0 var(--spacing-16);
	  min-height: calc(100vh - var(--footer-height) - 150px); /* Ekranı doldurması için minimum yükseklik */
	}

	/* Tabs Navigation */
	.tabs-wrapper {
	  position: relative;
	  margin-bottom: var(--spacing-12);
	  padding: 0 var(--spacing-4);
	}

	.tabs-container {
	  max-width: 800px;
	  margin: 0 auto;
	  position: relative;
	  overflow-x: auto;
	  -ms-overflow-style: none;
	  scrollbar-width: none;
	}

	.tabs-container::-webkit-scrollbar {
	  display: none;
	}

	.tabs {
	  display: flex;
	  align-items: center;
	  justify-content: space-between;
	  gap: var(--spacing-2);
	  padding: var(--spacing-2);
	  border-radius: var(--radius-xl);
	  position: relative;
	  min-width: max-content;
	  width: 100%;
	}

	.tab {
	  padding: var(--spacing-3) var(--spacing-6);
	  border-radius: var(--radius-lg);
	  color: var(--text-dark-muted);
	  transition: color var(--transition), transform var(--transition);
	  font-size: 0.9rem;
	  font-weight: 500;
	  cursor: pointer;
	  user-select: none;
	  text-align: center;
	  white-space: nowrap;
	  position: relative;
	  z-index: 1;
	  min-width: 130px;
	  letter-spacing: 0.3px;
	}

	.light-mode .tab {
	  color: var(--text-light);
	  text-shadow: 0 0 8px rgba(255, 255, 255, 0.8);
	  font-weight: 600;
	}

	.tab:hover {
	  color: var(--text-dark);
	  transform: translateY(-1px);
	}

	.light-mode .tab:hover {
	  color: var(--text-light);
	}

	.tab.active {
	  color: white;
	  font-weight: 600;
	}

	.tab-indicator {
	  position: absolute;
	  height: calc(100% - var(--spacing-4));
	  z-index: 0;
	  background: var(--primary-gradient);
	  border-radius: var(--radius-lg);
	  transition: all var(--transition-bounce);
	  box-shadow: var(--shadow-highlight);
	}

	/* Mobile Nav Select */
	.mobile-tabs-select {
	  display: none;
	  width: 100%;
	  max-width: 800px;
	  margin: 0 auto var(--spacing-8);
	  position: relative;
	}

	.mobile-tabs-select select {
	  width: 100%;
	  padding: var(--spacing-4) var(--spacing-5);
	  background: var(--surface-dark);
	  border: 1px solid var(--border-dark);
	  border-radius: var(--radius-md);
	  color: var(--text-dark);
	  font-size: 0.95rem;
	  font-weight: 500;
	  appearance: none;
	  cursor: pointer;
	}

	.light-mode .mobile-tabs-select select {
	  background: rgba(255, 255, 255, 0.85);
	  border-color: var(--border-light);
	  color: var(--text-light);
	}

	.mobile-tabs-select::after {
	  content: '\f078';
	  font-family: 'Font Awesome 5 Free';
	  font-weight: 900;
	  position: absolute;
	  right: var(--spacing-5);
	  top: 50%;
	  transform: translateY(-50%);
	  color: var(--text-dark-muted);
	  pointer-events: none;
	  font-size: 0.8rem;
	}

	.light-mode .mobile-tabs-select::after {
	  color: var(--text-light);
	}

	/* Content Sections */
	.section {
	  display: none;
	  animation: fadeSlideUp var(--transition-bounce) forwards;
	  max-width: 800px;
	  margin: 0 auto;
	  width: 100%;
	  opacity: 0;
	  transform: translateY(10px);
	}

	.section.active {
	  display: block;
	}

	@keyframes fadeSlideUp {
	  from {
		opacity: 0;
		transform: translateY(10px);
	  }
	  to {
		opacity: 1;
		transform: translateY(0);
	  }
	}

	/* Card Styles */
	.card {
	  border-radius: var(--radius-lg);
	  overflow: hidden;
	  transition: transform var(--transition), box-shadow var(--transition);
	  position: relative;
	}

	.card:hover {
	  transform: translateY(-5px);
	  box-shadow: var(--shadow-lg);
	}

	.card-header {
	  padding: var(--spacing-8);
	  border-bottom: 1px solid var(--border-dark);
	  transition: border-color var(--transition);
	}

	.light-mode .card-header {
	  border-color: var(--border-light);
	}

	.card-body {
	  padding: var(--spacing-8);
	}

	.card-title {
	  font-size: 1.25rem;
	  font-weight: 600;
	  letter-spacing: -0.02em;
	  position: relative;
	  display: inline-block;
	  padding-bottom: var(--spacing-3);
	}

	.card-title::after {
	  content: "";
	  position: absolute;
	  bottom: 0;
	  left: 0;
	  width: 30px;
	  height: 2px;
	  background: var(--primary-gradient);
	  border-radius: 100px;
	  transition: width var(--transition);
	}

	.card:hover .card-title::after {
	  width: 100%;
	}

	/* Package Card */
	.package-card {
	  position: relative;
	  margin-bottom: var(--spacing-10);
	}

	.package-header {
	  display: flex;
	  align-items: center;
	  gap: var(--spacing-5);
	  margin-bottom: var(--spacing-8);
	  flex-wrap: wrap;
	}

	.package-icon {
	  width: 64px;
	  height: 64px;
	  object-fit: contain;
	  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
	  transition: transform var(--transition);
	}

	.card:hover .package-icon {
	  transform: scale(1.05) rotate(-5deg);
	}

	.package-info {
	  flex: 1;
	  min-width: 220px;
	}

	.package-title {
	  font-size: 1.5rem;
	  font-weight: 700;
	  letter-spacing: -0.03em;
	  margin-bottom: var(--spacing-1);
	  display: flex;
	  align-items: center;
	  gap: var(--spacing-3);
	}

	.badge {
	  font-size: 0.7rem;
	  font-weight: 600;
	  background: var(--accent-gradient);
	  color: white;
	  padding: var(--spacing-1) var(--spacing-3);
	  border-radius: 100px;
	  line-height: 1.5;
	  text-transform: uppercase;
	  letter-spacing: 0.05em;
	  box-shadow: 0 2px 5px rgba(255, 157, 47, 0.3);
	}

	.package-description {
	  font-size: 0.9rem;
	  color: var(--text-dark-muted);
	  transition: color var(--transition);
	}

	.light-mode .package-description {
	  color: var(--text-light);
	}

	/* Select Group */
	.form-group {
	  margin-bottom: var(--spacing-8);
	}

	.form-label {
	  display: block;
	  font-size: 0.85rem;
	  font-weight: 500;
	  margin-bottom: var(--spacing-3);
	  color: var(--text-dark-muted);
	  transition: color var(--transition);
	  letter-spacing: 0.3px;
	}

	.light-mode .form-label {
	  color: var(--text-light);
	  font-weight: 600;
	  text-shadow: 0 0 8px rgba(255, 255, 255, 0.8);
	}

	.select-wrapper {
	  position: relative;
	}

	/* Select elemanları güncellenmiş stil ile */
	.select {
	  appearance: none;
	  width: 100%;
	  padding: var(--spacing-4) var(--spacing-5);
	  background: rgba(255, 255, 255, 0.06);
	  border: 1px solid var(--border-dark);
	  border-radius: var(--radius-md);
	  color: var(--text-dark);
	  font-family: inherit;
	  font-size: 0.9rem;
	  font-weight: 500;
	  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
	  cursor: pointer;
	  letter-spacing: 0.3px;
	}

	body.dark-mode .select {
	  /* Improved visibility for dark mode select elements */
	  background: rgba(22, 24, 29, 0.8);
	  color: rgba(255, 255, 255, 0.95);
	  border: 1px solid var(--border-dark);
	}

	.light-mode .select {
	  background: rgba(255, 255, 255, 0.85);
	  border-color: var(--border-light);
	  color: var(--text-light);
	}

	.select:focus {
	  outline: none;
	  border-color: var(--primary);
	  box-shadow: 0 0 0 2px rgba(71, 118, 230, 0.2);
	}

	.select-icon {
	  position: absolute;
	  right: var(--spacing-5);
	  top: 50%;
	  transform: translateY(-50%);
	  color: var(--text-dark-muted);
	  pointer-events: none;
	  font-size: 0.8rem;
	  transition: color var(--transition), transform var(--transition);
	}

	.light-mode .select-icon {
	  color: var(--text-light);
	}

	.select:focus + .select-icon {
	  color: var(--primary);
	  transform: translateY(-50%) rotate(180deg);
	}

	/* Features Grid */
	.features-section {
	  margin-bottom: var(--spacing-8);
	}

	.features-title {
	  font-size: 0.85rem;
	  font-weight: 600;
	  text-transform: uppercase;
	  letter-spacing: 1px;
	  color: var(--text-dark-muted);
	  margin-bottom: var(--spacing-5);
	  transition: color var(--transition);
	}

	.light-mode .features-title {
	  color: var(--text-light);
	  text-shadow: 0 0 8px rgba(255, 255, 255, 0.8);
	}

	.features-grid {
	  display: grid;
	  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
	  gap: var(--spacing-4);
	}

	.feature-item {
	  display: flex;
	  align-items: center;
	  gap: var(--spacing-3);
	  transition: transform var(--transition);
	  padding: var(--spacing-2);
	  border-radius: var(--radius-md);
	}

	.feature-item:hover {
	  transform: translateX(5px);
	  background: rgba(255, 255, 255, 0.03);
	}

	.light-mode .feature-item:hover {
	  background: rgba(255, 255, 255, 0.5);
	}

	.feature-icon {
	  width: 24px;
	  height: 24px;
	  display: flex;
	  align-items: center;
	  justify-content: center;
	  color: white;
	  background: linear-gradient(135deg, #10b981, #06d6a0);
	  border-radius: 50%;
	  font-size: 0.7rem;
	  flex-shrink: 0;
	  transition: transform var(--transition);
	  box-shadow: 0 2px 5px rgba(16, 185, 129, 0.3);
	}

	.feature-item:hover .feature-icon {
	  transform: scale(1.1);
	}

	.feature-text {
	  font-size: 0.9rem;
	  font-weight: 500;
	  letter-spacing: 0.2px;
	}

	.light-mode .feature-text {
	  color: var(--text-light);
	  font-weight: 600;
	}

	/* Button */
	.btn {
	  display: inline-block;
	  width: 100%;
	  padding: var(--spacing-4) var(--spacing-6);
	  background: var(--primary-gradient);
	  color: white;
	  border: none;
	  border-radius: var(--radius-md);
	  font-size: 0.95rem;
	  font-weight: 600;
	  text-align: center;
	  cursor: pointer;
	  transition: transform var(--transition), box-shadow var(--transition);
	  text-decoration: none;
	  letter-spacing: 0.3px;
	  box-shadow: 0 4px 10px rgba(71, 118, 230, 0.3);
	  position: relative;
	  overflow: hidden;
	  z-index: 1;
	}

	.btn::before {
	  content: "";
	  position: absolute;
	  top: 0;
	  left: 0;
	  width: 100%;
	  height: 100%;
	  background: linear-gradient(135deg, #3a61c1, #6d44bd);
	  opacity: 0;
	  transition: opacity var(--transition);
	  z-index: -1;
	}

	.btn:hover {
	  transform: translateY(-2px);
	  box-shadow: 0 6px 15px rgba(71, 118, 230, 0.4);
	}

	.btn:hover::before {
	  opacity: 1;
	}

	.btn:active {
	  transform: translateY(0);
	}

	.btn i {
	  margin-right: var(--spacing-3);
	  font-size: 0.9rem;
	}

	/* Carousel */
	.carousel {
	  margin-top: var(--spacing-8);
	  overflow: hidden;
	  position: relative;
	  border-radius: var(--radius-md);
	  background: rgba(255, 255, 255, 0.03);
	  padding: var(--spacing-4);
	  transition: background-color var(--transition);
	}

	.light-mode .carousel {
	  background: rgba(255, 255, 255, 0.5);
	}

	.carousel-track {
	  display: flex;
	  align-items: center;
	  animation: carousel 60s linear infinite;
	  width: calc(40px * 46 + var(--spacing-4) * 46); /* 23 items x 2 for duplication */
	}

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

	.carousel-item {
	  width: 40px;
	  height: 40px;
	  margin-right: var(--spacing-4);
	  flex-shrink: 0;
	  transition: transform var(--transition), filter var(--transition);
	  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
	}

	.carousel-item:hover {
	  transform: scale(1.2) rotate(-5deg);
	  filter: drop-shadow(0 3px 6px rgba(0, 0, 0, 0.2));
	  z-index: 2;
	}

	@keyframes carousel {
	  0% {
		transform: translateX(0);
	  }
	  100% {
		transform: translateX(calc(-40px * 23 - var(--spacing-4) * 23));
	  }
	}

	/* Form Controls */
	.input-group {
	  position: relative;
	}

	.form-input {
	  width: 100%;
	  padding: var(--spacing-4) var(--spacing-5);
	  background: rgba(255, 255, 255, 0.06);
	  border: 1px solid var(--border-dark);
	  border-radius: var(--radius-md);
	  color: var(--text-dark);
	  font-family: inherit;
	  font-size: 0.9rem;
	  font-weight: 500;
	  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
	  letter-spacing: 0.3px;
	}

	.light-mode .form-input {
	  background: rgba(255, 255, 255, 0.85);
	  border-color: var(--border-light);
	  color: var(--text-light);
	}

	.form-input:focus {
	  outline: none;
	  border-color: var(--primary);
	  box-shadow: 0 0 0 2px rgba(71, 118, 230, 0.2);
	}

	.form-input::placeholder {
	  color: var(--text-dark-muted);
	  opacity: 0.5;
	}

	.light-mode .form-input::placeholder {
	  color: var(--text-light-muted);
	  opacity: 0.7;
	}

	.input-icon {
	  position: absolute;
	  right: var(--spacing-5);
	  top: 50%;
	  transform: translateY(-50%);
	  color: var(--text-dark-muted);
	  font-size: 0.9rem;
	  pointer-events: none;
	  transition: color var(--transition);
	}

	.light-mode .input-icon {
	  color: var(--text-light);
	}

	.form-input:focus ~ .input-icon {
	  color: var(--primary);
	}

	/* User Info */
	.user-info {
	  background: rgba(255, 255, 255, 0.03);
	  border-radius: var(--radius-md);
	  border: 1px solid var(--border-dark);
	  padding: var(--spacing-8);
	  margin-top: var(--spacing-8);
	  display: none;
	  animation: fadeSlideUp var(--transition-bounce) forwards;
	}

	.light-mode .user-info {
	  background: rgba(255, 255, 255, 0.85);
	  border-color: var(--border-light);
	}

	.user-avatar-container {
	  display: flex;
	  justify-content: center;
	  margin-bottom: var(--spacing-8);
	}

	.user-avatar {
	  width: 80px;
	  height: 80px;
	  border-radius: 50%;
	  object-fit: cover;
	  border: 3px solid transparent;
	  background: var(--primary-gradient);
	  background-origin: border-box;
	  box-shadow: var(--shadow-highlight);
	  transition: transform var(--transition);
	}

	.user-avatar:hover {
	  transform: scale(1.05);
	}

	.user-details {
	  display: grid;
	  gap: var(--spacing-5);
	}

	.user-detail {
	  display: flex;
	  justify-content: space-between;
	  align-items: center;
	  padding-bottom: var(--spacing-4);
	  border-bottom: 1px solid var(--border-dark);
	  transition: border-color var(--transition), transform var(--transition);
	}

	.light-mode .user-detail {
	  border-color: var(--border-light);
	}

	.user-detail:hover {
	  transform: translateX(5px);
	}

	.user-detail:last-child {
	  border-bottom: none;
	  padding-bottom: 0;
	}

	.user-detail-label {
	  font-size: 0.85rem;
	  color: var(--text-dark-muted);
	  display: flex;
	  align-items: center;
	  gap: var(--spacing-2);
	  transition: color var(--transition);
	}

	.light-mode .user-detail-label {
	  color: var(--text-light);
	  font-weight: 600;
	}

	.user-detail-value {
	  font-size: 0.9rem;
	  font-weight: 600;
	  letter-spacing: 0.2px;
	}

	.light-mode .user-detail-value {
	  color: var(--text-light);
	}

	.user-actions {
	  margin-top: var(--spacing-8);
	}

	/* FAQ */
	.faq-list {
	  display: grid;
	  gap: var(--spacing-4);
	}

	.faq-item {
	  background: rgba(255, 255, 255, 0.03);
	  border: 1px solid var(--border-dark);
	  border-radius: var(--radius-md);
	  overflow: hidden;
	  transition: border-color var(--transition), background-color var(--transition), transform var(--transition);
	}

	.light-mode .faq-item {
	  background: rgba(255, 255, 255, 0.85);
	  border-color: var(--border-light);
	}

	.faq-item:hover {
	  transform: translateY(-2px);
	}

	.faq-question {
	  padding: var(--spacing-5) var(--spacing-6);
	  font-size: 0.95rem;
	  font-weight: 600;
	  cursor: pointer;
	  display: flex;
	  justify-content: space-between;
	  align-items: center;
	  transition: color var(--transition);
	  letter-spacing: 0.2px;
	}

	.light-mode .faq-question {
	  color: var(--text-light);
	}

	.faq-icon {
	  color: var(--text-dark-muted);
	  transition: transform var(--transition), color var(--transition);
	  font-size: 0.8rem;
	}

	.light-mode .faq-icon {
	  color: var(--text-light);
	}

	.faq-item.active {
	  border-color: var(--primary);
	  box-shadow: 0 0 0 1px rgba(71, 118, 230, 0.3);
	}

	.faq-item.active .faq-question {
	  color: var(--primary);
	}

	.faq-item.active .faq-icon {
	  transform: rotate(180deg);
	  color: var(--primary);
	}

	.faq-answer {
	  max-height: 0;
	  overflow: hidden;
	  transition: max-height var(--transition), padding var(--transition);
	  font-size: 0.9rem;
	  color: var(--text-dark-muted);
	  line-height: 1.7;
	  letter-spacing: 0.2px;
	}

	.light-mode .faq-answer {
	  color: var(--text-light);
	}

	.faq-item.active .faq-answer {
	  max-height: 300px;
	  padding: 0 var(--spacing-6) var(--spacing-6);
	}

	/* Loading */
	.loading {
	  display: none;
	  width: 30px;
	  height: 30px;
	  margin: var(--spacing-6) auto;
	  position: relative;
	}

	.loading::after {
	  content: "";
	  position: absolute;
	  width: 100%;
	  height: 100%;
	  border: 2px solid rgba(71, 118, 230, 0.2);
	  border-top-color: var(--primary);
	  border-radius: 50%;
	  animation: spin 0.8s ease-out infinite;
	}

	@keyframes spin {
	  to { transform: rotate(360deg); }
	}

	/* Error Message */
	.error {
	  background: rgba(255, 72, 66, 0.08);
	  color: #ff4842;
	  padding: var(--spacing-4) var(--spacing-6);
	  border-radius: var(--radius-md);
	  font-size: 0.85rem;
	  margin-top: var(--spacing-5);
	  display: none;
	  animation: shake 0.4s ease;
	  border-left: 3px solid #ff4842;
	  font-weight: 500;
	  letter-spacing: 0.2px;
	}

	.light-mode .error {
	  background: rgba(255, 72, 66, 0.15);
	  color: #d32f2f;
	  font-weight: 600;
	}

	@keyframes shake {
	  0%, 100% { transform: translateX(0); }
	  25% { transform: translateX(-5px); }
	  75% { transform: translateX(5px); }
	}

	/* Modal Popup System */
	.popup-overlay {
	  position: fixed;
	  top: 0;
	  left: 0;
	  width: 100%;
	  height: 100%;
	  background: rgba(0, 0, 0, 0.75);
	  backdrop-filter: blur(8px);
	  z-index: 10000;
	  display: flex;
	  align-items: center;
	  justify-content: center;
	  padding: var(--spacing-5);
	  opacity: 0;
	  visibility: hidden;
	  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
	}

	.popup-overlay.show {
	  opacity: 1;
	  visibility: visible;
	}

	.popup-content {
	  background: var(--surface-dark);
	  backdrop-filter: blur(var(--blur));
	  border: 1px solid var(--border-dark);
	  border-radius: var(--radius-lg);
	  box-shadow: var(--shadow-lg);
	  max-width: 500px;
	  width: 100%;
	  max-height: 80vh;
	  overflow-y: auto;
	  position: relative;
	  transform: scale(0.8) translateY(20px);
	  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
	}

	.light-mode .popup-content {
	  background: var(--surface-light);
	  border-color: var(--border-light);
	}

	.popup-overlay.show .popup-content {
	  transform: scale(1) translateY(0);
	}

	.popup-header {
	  padding: var(--spacing-6) var(--spacing-8);
	  border-bottom: 1px solid var(--border-dark);
	  position: relative;
	  display: flex;
	  align-items: center;
	  gap: var(--spacing-4);
	}

	.light-mode .popup-header {
	  border-color: var(--border-light);
	}

	.popup-icon {
	  width: 48px;
	  height: 48px;
	  border-radius: 50%;
	  display: flex;
	  align-items: center;
	  justify-content: center;
	  font-size: 1.2rem;
	  color: white;
	  flex-shrink: 0;
	  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
	}

	.popup-icon.success {
	  background: linear-gradient(135deg, var(--success), #06d6a0);
	  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
	}

	.popup-icon.error {
	  background: linear-gradient(135deg, var(--error), #dc2626);
	  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
	}

	.popup-icon.warning {
	  background: linear-gradient(135deg, var(--warning), #d97706);
	  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
	}

	.popup-icon.info {
	  background: linear-gradient(135deg, var(--info), #2563eb);
	  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
	}

	.popup-title-container {
	  flex: 1;
	  min-width: 0;
	}

	.popup-title {
	  font-size: 1.1rem;
	  font-weight: 700;
	  margin: 0;
	  color: var(--text-dark);
	  line-height: 1.3;
	  word-wrap: break-word;
	}

	.light-mode .popup-title {
	  color: var(--text-light);
	}

	.popup-close {
	  position: absolute;
	  top: var(--spacing-4);
	  right: var(--spacing-4);
	  width: 32px;
	  height: 32px;
	  border: none;
	  background: rgba(255, 255, 255, 0.1);
	  color: var(--text-dark-muted);
	  border-radius: 50%;
	  cursor: pointer;
	  display: flex;
	  align-items: center;
	  justify-content: center;
	  font-size: 0.9rem;
	  transition: all var(--transition);
	  opacity: 0.8;
	}

	.light-mode .popup-close {
	  background: rgba(0, 0, 0, 0.1);
	  color: var(--text-light-muted);
	}

	.popup-close:hover {
	  background: rgba(255, 255, 255, 0.2);
	  opacity: 1;
	  transform: scale(1.1);
	}

	.light-mode .popup-close:hover {
	  background: rgba(0, 0, 0, 0.2);
	}

	.popup-body {
	  padding: var(--spacing-6) var(--spacing-8) var(--spacing-8);
	}

	.popup-message {
	  font-size: 0.9rem;
	  color: var(--text-dark-muted);
	  line-height: 1.6;
	  white-space: pre-line;
	  word-wrap: break-word;
	  margin: 0;
	}

	.light-mode .popup-message {
	  color: var(--text-light-muted);
	}

	.popup-footer {
	  padding: 0 var(--spacing-8) var(--spacing-6);
	  display: flex;
	  justify-content: flex-end;
	  gap: var(--spacing-3);
	}

	.popup-btn {
	  padding: var(--spacing-3) var(--spacing-6);
	  border: none;
	  border-radius: var(--radius-md);
	  font-size: 0.85rem;
	  font-weight: 600;
	  cursor: pointer;
	  transition: all var(--transition);
	  letter-spacing: 0.3px;
	}

	.popup-btn.primary {
	  background: var(--primary-gradient);
	  color: white;
	  box-shadow: 0 2px 8px rgba(71, 118, 230, 0.3);
	}

	.popup-btn.primary:hover {
	  transform: translateY(-1px);
	  box-shadow: 0 4px 12px rgba(71, 118, 230, 0.4);
	}

	.popup-btn.secondary {
	  background: transparent;
	  color: var(--text-dark-muted);
	  border: 1px solid var(--border-dark);
	}

	.light-mode .popup-btn.secondary {
	  color: var(--text-light-muted);
	  border-color: var(--border-light);
	}

	.popup-btn.secondary:hover {
	  background: rgba(255, 255, 255, 0.05);
	  color: var(--text-dark);
	}

	.light-mode .popup-btn.secondary:hover {
	  background: rgba(0, 0, 0, 0.05);
	  color: var(--text-light);
	}

	/* Theme Toggle */
	.theme-toggle {
	  position: fixed;
	  top: var(--spacing-6);
	  right: var(--spacing-6);
	  width: 40px;
	  height: 40px;
	  border-radius: 50%;
	  background: rgba(255, 255, 255, 0.05);
	  border: 1px solid var(--border-dark);
	  display: flex;
	  align-items: center;
	  justify-content: center;
	  cursor: pointer;
	  z-index: 10;
	  transition: background-color var(--transition), border-color var(--transition), transform var(--transition);
	  box-shadow: var(--shadow-md);
	}

	.light-mode .theme-toggle {
	  background: rgba(0, 0, 0, 0.2);
	  border-color: var(--border-light);
	}

	.theme-toggle:hover {
	  transform: translateY(-2px);
	  box-shadow: var(--shadow-lg);
	}

	.theme-icon {
	  font-size: 1.1rem;
	  color: var(--text-dark);
	  transition: color var(--transition);
	}

	.light-mode .theme-icon {
	  color: white;
	}

	/* Language Selector Styles */
	.language-toggle {
	  position: fixed;
	  top: var(--spacing-6);
	  left: var(--spacing-6);
	  display: flex;
	  align-items: center;
	  gap: var(--spacing-2);
	  background: rgba(255, 255, 255, 0.05);
	  border: 1px solid var(--border-dark);
	  border-radius: var(--radius-md);
	  padding: var(--spacing-2) var(--spacing-4);
	  cursor: pointer;
	  z-index: 11;
	  transition: background-color var(--transition), transform var(--transition);
	  font-size: 0.9rem;
	}

	.language-toggle:hover {
	  transform: translateY(-2px);
	}

	.light-mode .language-toggle {
	  background: rgba(0, 0, 0, 0.2);
	  border-color: var(--border-light);
	  color: white;
	}

	.current-lang-flag {
	  font-size: 1.2rem;
	}

	.current-lang-name {
	  display: inline-block;
	  margin-right: var(--spacing-2);
	}

	.light-mode .current-lang-name {
	  color: white;
	}

	.language-selector {
	  position: fixed;
	  top: calc(var(--spacing-6) + 40px);
	  left: var(--spacing-6);
	  z-index: 12;
	  background: var(--surface-dark);
	  border: 1px solid var(--border-dark);
	  border-radius: var(--radius-md);
	  padding: var(--spacing-3);
	  box-shadow: var(--shadow-lg);
	  max-height: 60vh;
	  overflow-y: auto;
	  display: grid;
	  grid-template-columns: repeat(2, 1fr);
	  gap: var(--spacing-2);
	  width: 300px;
	  opacity: 0;
	  visibility: hidden;
	  transform: translateY(-10px);
	  transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
	}

	.light-mode .language-selector {
	  background: rgba(255, 255, 255, 0.95);
	  border-color: var(--border-light);
	}

	.language-selector.visible {
	  opacity: 1;
	  visibility: visible;
	  transform: translateY(0);
	}

	.lang-option {
	  display: flex;
	  align-items: center;
	  gap: var(--spacing-2);
	  padding: var(--spacing-2) var(--spacing-3);
	  border-radius: var(--radius-sm);
	  cursor: pointer;
	  background: transparent;
	  border: none;
	  color: var(--text-dark-muted);
	  font-size: 0.85rem;
	  text-align: left;
	  transition: background-color var(--transition), color var(--transition);
	}

	.light-mode .lang-option {
	  color: var(--text-light-muted);
	}

	.lang-option:hover {
	  background: rgba(255, 255, 255, 0.05);
	  color: var(--text-dark);
	}

	.light-mode .lang-option:hover {
	  background: rgba(0, 0, 0, 0.05);
	  color: var(--text-light);
	}

	.lang-option.active {
	  background: rgba(71, 118, 230, 0.1);
	  color: var(--primary);
	  font-weight: 600;
	}

	.lang-flag {
	  font-size: 1.2rem;
	}

	/* Footer */
	.footer {
	  width: 100%;
	  padding: var(--spacing-6) 0;
	  z-index: 5;
	  height: var(--footer-height);
	  margin-top: auto;
	}

	/* Güncellenmiş footer stilleri */
	.footer-content {
	  display: flex;
	  flex-direction: column;
	  align-items: center;
	  gap: var(--spacing-4);
	  position: relative;
	  z-index: 1;
	}

	.footer-info {
	  text-align: center;
	}

	.footer-logo {
	  font-size: 1.2rem;
	  font-weight: 700;
	  background: var(--primary-gradient);
	  -webkit-background-clip: text;
	  background-clip: text;
	  -webkit-text-fill-color: transparent;
	  margin-bottom: var(--spacing-3);
	  display: inline-block;
	}

	.footer-text {
	  font-size: 0.85rem;
	  color: var(--text-dark-muted);
	  transition: color var(--transition);
	}

	.light-mode .footer-text {
	  color: var(--text-light);
	  font-weight: 500;
	}

	.footer-nav {
	  display: flex;
	  flex-direction: column;
	  align-items: center;
	  gap: var(--spacing-3);
	}

	.social-links {
	  display: flex;
	  justify-content: center;
	  gap: var(--spacing-4);
	}

	.social-link {
	  color: var(--text-dark-muted);
	  transition: color var(--transition), transform var(--transition);
	  font-size: 1.1rem;
	  display: flex;
	  align-items: center;
	  justify-content: center;
	  width: 36px;
	  height: 36px;
	  border-radius: 50%;
	  background: rgba(255, 255, 255, 0.03);
	  border: 1px solid var(--border-dark);
	}

	.light-mode .social-link {
	  color: var(--text-light);
	  background: rgba(255, 255, 255, 0.3);
	  border-color: var(--border-light);
	}

	.social-link:hover {
	  color: var(--primary);
	  transform: translateY(-3px);
	}

	.footer-link {
	  color: var(--primary);
	  text-decoration: none;
	  font-weight: 500;
	  transition: opacity var(--transition);
	  position: relative;
	  font-size: 0.85rem;
	}

	.footer-link::after {
	  content: "";
	  position: absolute;
	  bottom: -2px;
	  left: 0;
	  width: 100%;
	  height: 1px;
	  background: var(--primary);
	  transform: scaleX(0);
	  transform-origin: right;
	  transition: transform var(--transition);
	}

	.footer-link:hover::after {
	  transform: scaleX(1);
	  transform-origin: left;
	}

	/* Menu Transitions Update */
	.menu {
	  list-style: none;
	  padding: 0;
	  margin: var(--spacing-6) auto;
	  max-width: 400px;
	}

	.menu-item {
	  background-color: var(--surface-dark);
	  border: 1px solid var(--border-dark);
	  padding: var(--spacing-4);
	  margin-bottom: var(--spacing-3);
	  border-radius: var(--radius-sm);
	  
	  /* Başlangıçta gizli ve konumu aşağıda */
	  opacity: 0;
	  transform: translateY(20px);
	  
	  /* Animasyon geçiş ayarları */
	  transition: transform 0.4s ease-out, opacity 0.4s ease-out;
	  
	  /* GPU optimizasyon ipucu */
	  will-change: transform, opacity;
	}

	.menu-item.active {
	  opacity: 1;
	  transform: translateY(0);
	}

	.menu-item:hover {
	  background-color: var(--surface-dark-solid);
	  transform: translateY(-2px);
	  transition: transform 0.3s ease-out, background-color 0.3s ease-out;
	}

	/* Modal Styles */
	.modal {
	  display: none;
	  position: fixed;
	  top: 0;
	  left: 0;
	  width: 100%;
	  height: 100%;
	  background-color: rgba(0, 0, 0, 0.75);
	  z-index: 1000;
	  backdrop-filter: blur(5px);
	  opacity: 0;
	  transition: opacity var(--transition);
	  overflow-y: auto;
	}

	.modal.visible {
	  display: flex;
	  justify-content: center;
	  align-items: flex-start;
	  opacity: 1;
	}

	.modal-content {
	  background: var(--surface-dark);
	  border: 1px solid var(--border-dark);
	  border-radius: var(--radius-lg);
	  width: 90%;
	  max-width: 800px;
	  margin: var(--spacing-10) auto;
	  box-shadow: var(--shadow-lg);
	  transform: translateY(-30px);
	  transition: transform var(--transition);
	  max-height: 85vh;
	  display: flex;
	  flex-direction: column;
	}

	.modal.visible .modal-content {
	  transform: translateY(0);
	}

	.light-mode .modal-content {
	  background: var(--surface-light);
	  border-color: var(--border-light);
	}

	.modal-header {
	  padding: var(--spacing-6);
	  display: flex;
	  justify-content: space-between;
	  align-items: center;
	  border-bottom: 1px solid var(--border-dark);
	}

	.light-mode .modal-header {
	  border-color: var(--border-light);
	}

	.modal-header h2 {
	  font-size: 1.2rem;
	  font-weight: 600;
	  margin: 0;
	}

	.modal-close {
	  font-size: 1.5rem;
	  cursor: pointer;
	  color: var(--text-dark-muted);
	  transition: color var(--transition);
	}

	.light-mode .modal-close {
	  color: var(--text-light-muted);
	}

	.modal-close:hover {
	  color: var(--primary);
	}

	.modal-body {
	  padding: var(--spacing-6);
	  overflow-y: auto;
	  flex: 1;
	}

	.terms-container {
	  font-size: 0.9rem;
	  line-height: 1.8;
	}

	.terms-container header {
	  text-align: center;
	  margin-bottom: var(--spacing-8);
	  padding-bottom: var(--spacing-5);
	  border-bottom: 1px solid var(--border-dark);
	}

	.light-mode .terms-container header {
	  border-color: var(--border-light);
	}

	.terms-container h1 {
	  font-size: 1.5rem;
	  font-weight: 700;
	  margin-bottom: var(--spacing-2);
	  background: var(--primary-gradient);
	  -webkit-background-clip: text;
	  background-clip: text;
	  -webkit-text-fill-color: transparent;
	}

	.terms-container .last-updated {
	  color: var(--text-dark-muted);
	  font-style: italic;
	  font-size: 0.8rem;
	}

	.light-mode .terms-container .last-updated {
	  color: var(--text-light-muted);
	}

	.terms-container section {
	  margin-bottom: var(--spacing-8);
	}

	.terms-container h2 {
	  font-size: 1.1rem;
	  font-weight: 600;
	  margin-bottom: var(--spacing-4);
	  padding-bottom: var(--spacing-2);
	  border-bottom: 1px solid var(--border-dark);
	  color: var(--primary);
	}

	.light-mode .terms-container h2 {
	  border-color: var(--border-light);
	}

	.terms-container p {
	  margin-bottom: var(--spacing-4);
	}

	.terms-container ol, 
	.terms-container ul {
	  padding-left: var(--spacing-6);
	  margin-bottom: var(--spacing-4);
	}

	.terms-container li {
	  margin-bottom: var(--spacing-2);
	}

	.terms-container .highlight {
	  background: rgba(71, 118, 230, 0.05);
	  border-left: 3px solid var(--primary);
	  padding: var(--spacing-4) var(--spacing-5);
	  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
	  margin: var(--spacing-5) 0;
	}

	.light-mode .terms-container .highlight {
	  background: rgba(71, 118, 230, 0.08);
	}

	.terms-container .terms-footer {
	  margin-top: var(--spacing-8);
	  padding-top: var(--spacing-5);
	  border-top: 1px solid var(--border-dark);
	  font-size: 0.85rem;
	  color: var(--text-dark-muted);
	  text-align: center;
	}

	.light-mode .terms-container .terms-footer {
	  border-color: var(--border-light);
	  color: var(--text-light-muted);
	}

	/* Media Queries */
	@media (max-width: 768px) {
	  /* Başlık boyutlarını küçült */
	  .brand {
		font-size: 2rem;
	  }
	  
	  .tagline {
		font-size: 0.9rem;
	  }
	  
	  /* Tab'lar mobilde kaydırılabilir şekilde küçült */
	  .tabs-container {
		/* Overflow-x hidden yerine scroll yaparak menüyü kaydırılabilir hale getir */
		overflow-x: auto;
		padding: 0 var(--spacing-2);
	  }
	  
	  .tabs {
		/* justify-content'i flex-start yap ki tablar sıkışmadan kaydırılabilsin */
		justify-content: flex-start;
		gap: var(--spacing-1);
		padding: var(--spacing-2);
		min-width: fit-content;
	  }
	  
	  .tab {
		/* Tab boyutlarını mobil için küçült */
		padding: var(--spacing-2) var(--spacing-4);
		font-size: 0.8rem;
		min-width: 100px;
		flex-shrink: 0; /* Tab'ların küçülmesini engelle */
	  }
	  
	  /* Mobile tabs select'i kaldır, normal tab'ları kullan */
	  .mobile-tabs-select {
		display: none;
	  }
	  
	  /* Card padding'lerini küçült */
	  .card-header, .card-body {
		padding: var(--spacing-6);
	  }
	  
	  /* Package header'ı mobile için düzenle */
	  .package-header {
		flex-direction: column;
		align-items: flex-start;
		gap: var(--spacing-3);
	  }
	  
	  /* Theme toggle pozisyonunu mobil için ayarla */
	  .theme-toggle {
		top: var(--spacing-4);
		right: var(--spacing-4);
	  }
	  
	  /* Features grid'i mobilde tek sütun yap */
	  .features-grid {
		grid-template-columns: 1fr;
	  }
	  
	  /* Language toggle'da native name'i gizle */
	  .current-lang-name {
		display: none;
	  }
	  
	  /* Language selector boyutunu küçült */
	  .language-selector {
		width: 280px;
		max-height: 50vh;
	  }
	  
	  /* Modal responsive */
	  .modal-content {
		width: 95%;
		margin: var(--spacing-5) auto;
	  }
	  
	  .terms-container h1 {
		font-size: 1.3rem;
	  }
	  
	  .terms-container h2 {
		font-size: 1rem;
	  }
	  
	  /* Footer responsive düzeni */
	  .footer-content {
		flex-direction: column;
		gap: var(--spacing-5);
	  }
	  
	  /* Footer height for mobile */
	  :root {
		--footer-height: 150px;
	  }
	  
	  /* Popup responsive */
	  .popup-overlay {
		padding: var(--spacing-3);
	  }
	  
	  .popup-content {
		max-width: none;
		width: 100%;
	  }
	  
	  .popup-header {
		padding: var(--spacing-5) var(--spacing-6);
	  }
	  
	  .popup-icon {
		width: 40px;
		height: 40px;
		font-size: 1rem;
	  }
	  
	  .popup-title {
		font-size: 1rem;
	  }
	  
	  .popup-body {
		padding: var(--spacing-5) var(--spacing-6) var(--spacing-6);
	  }
	  
	  .popup-footer {
		padding: 0 var(--spacing-6) var(--spacing-5);
	  }
	}

	@media (max-width: 480px) {
	  /* Header padding'i küçült */
	  .header {
		padding: var(--spacing-10) 0 var(--spacing-8);
	  }
	  
	  /* Card padding'lerini daha da küçült */
	  .card-header, .card-body {
		padding: var(--spacing-5);
	  }
	  
	  /* Feature item padding'ini küçült */
	  .feature-item {
		padding: var(--spacing-1);
	  }
	  
	  /* User avatar boyutunu küçült */
	  .user-avatar {
		width: 70px;
		height: 70px;
	  }
	  
	  /* Form elemanlarının font size'ını küçült */
	  .form-input, .select {
		font-size: 0.85rem;
		padding: calc(var(--spacing-3) + 2px) var(--spacing-4);
	  }
	  
	  /* Button boyutunu küçült */
	  .btn {
		font-size: 0.9rem;
		padding: var(--spacing-3) var(--spacing-4);
	  }
	  
	  /* Tab'ları daha da küçült */
	  .tab {
		padding: calc(var(--spacing-2) + 1px) var(--spacing-3);
		font-size: 0.75rem;
		min-width: 85px;
	  }
	  
	  /* Language toggle boyutunu küçült */
	  .language-toggle {
		top: var(--spacing-4);
		left: var(--spacing-4);
		padding: var(--spacing-2) var(--spacing-3);
	  }
	  
	  /* Language selector'ı tek sütun yap */
	  .language-selector {
		top: calc(var(--spacing-4) + 36px);
		left: var(--spacing-4);
		width: 240px;
		grid-template-columns: 1fr;
	  }
	  
	  /* Language option font size'ını küçült */
	  .lang-name {
		font-size: 0.8rem;
	  }
	  
	  /* Modal padding'lerini küçült */
	  .modal-header, .modal-body {
		padding: var(--spacing-4);
	  }
	  
	  /* Terms başlık boyutlarını küçült */
	  .terms-container h1 {
		font-size: 1.2rem;
	  }
	  
	  .terms-container h2 {
		font-size: 0.95rem;
	  }
	  
	  .terms-container {
		font-size: 0.85rem;
		line-height: 1.6;
	  }
	  
	  /* Footer height for small mobile */
	  :root {
		--footer-height: 180px;
	  }
	  
	  /* Popup responsive for small mobile */
	  .popup-overlay {
		padding: var(--spacing-2);
	  }
	  
	  .popup-header {
		padding: var(--spacing-4) var(--spacing-5);
	  }
	  
	  .popup-icon {
		width: 36px;
		height: 36px;
		font-size: 0.9rem;
	  }
	  
	  .popup-title {
		font-size: 0.95rem;
	  }
	  
	  .popup-body {
		padding: var(--spacing-4) var(--spacing-5) var(--spacing-5);
	  }
	  
	  .popup-message {
		font-size: 0.85rem;
	  }
	  
	  .popup-footer {
		padding: 0 var(--spacing-5) var(--spacing-4);
	  }
	  
	  .popup-btn {
		padding: var(--spacing-2) var(--spacing-4);
		font-size: 0.8rem;
	  }
	}