/* Sincapp Custom Theme - Modern ve Responsive Tasarım */

:root {
  --primary-color: #007AFF;
  --secondary-color: #5856D6;
  --success-color: #34C759;
  --warning-color: #FF9500;
  --danger-color: #FF3B30;
  --dark-color: #1C1C1E;
  --light-color: #F2F2F7;
  --text-primary: #000000;
  --text-secondary: #8E8E93;
  --background-primary: #FFFFFF;
  --background-secondary: #F2F2F7;
  --border-color: #C6C6C8;
  --shadow-color: rgba(0, 0, 0, 0.1);
}

/* Dark mode variables */
[data-theme="dark"] {
  --text-primary: #FFFFFF;
  --text-secondary: #8E8E93;
  --background-primary: #000000;
  --background-secondary: #1C1C1E;
  --border-color: #38383A;
  --shadow-color: rgba(255, 255, 255, 0.1);
}

/* Dark mode footer adjustments */
[data-theme="dark"] .sincapp-footer {
  background: linear-gradient(135deg, #4c1d95 0%, #5b21b6 30%, #7c3aed 70%, #8b5cf6 100%);
  box-shadow: 0 -10px 30px rgba(139, 92, 246, 0.25);
}

[data-theme="dark"] .footer-wave svg {
  color: rgba(255, 255, 255, 0.2);
  opacity: 0.2;
}

/* Global Styles */
* {
  box-sizing: border-box;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  margin: 0;
  padding: 0;
  background-color: var(--background-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-weight: 400;
  overflow-y: scroll;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 17px;
}

::-webkit-scrollbar-track {
  background: var(--background-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 8px;
  border: 3px solid var(--background-secondary);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

/* Firefox scrollbar */
html {
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) var(--background-secondary);
}

/* Custom Header - bubo.io Style */
.sincapp-header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10000;
  padding: 1rem 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] .sincapp-header {
  background: rgba(17, 24, 39, 0.95);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

/* Header scroll effect */
.sincapp-header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

[data-theme="dark"] .sincapp-header.scrolled {
  background: rgba(17, 24, 39, 0.98);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sincapp-header .container {
  display: flex !important;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  visibility: visible !important;
  opacity: 1 !important;
}

.sincapp-logo {
  color: #111827;
  font-size: 1.75rem;
  font-weight: 800;
  text-decoration: none;
  letter-spacing: -0.025em;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.sincapp-logo:hover {
  transform: scale(1.02);
  color: var(--primary-color);
  text-decoration: none;
}

[data-theme="dark"] .sincapp-logo {
  color: #f9fafb;
}

[data-theme="dark"] .sincapp-logo:hover {
  color: var(--primary-color);
}

.sincapp-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
  visibility: visible !important;
  opacity: 1 !important;
}

.sincapp-header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-right: 0;
  flex-shrink: 0;
}

.sincapp-nav-link {
  display: flex !important;
  align-items: center;
  gap: 0.5rem;
  color: #374151 !important;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.75rem 1.25rem;
  border-radius: 12px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  letter-spacing: -0.01em;
  visibility: visible !important;
  opacity: 1 !important;
}

.sincapp-nav-link i {
  font-size: 0.9rem;
  transition: all 0.3s ease;
  opacity: 0.7;
  display: inline-block !important;
  visibility: visible !important;
}

.sincapp-nav-link span {
  font-weight: 500;
  letter-spacing: -0.01em;
  display: inline-block !important;
  visibility: visible !important;
  opacity: 1 !important;
}

[data-theme="dark"] .sincapp-nav-link {
  color: #d1d5db;
}

[data-theme="dark"] .sincapp-nav-link:hover {
  color: #f9fafb;
}

/* Remove duplicate rule - this was overriding the previous styles */

.sincapp-nav-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(59, 130, 246, 0.08);
  border-radius: 12px;
  transform: scale(0);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sincapp-nav-link:hover::before {
  transform: scale(1);
}

.sincapp-nav-link:hover {
  background: rgba(59, 130, 246, 0.08);
  color: var(--primary-color);
  transform: translateY(-1px);
  text-decoration: none;
}

.sincapp-nav-link:hover i {
  opacity: 1;
  transform: scale(1.1);
}

.sincapp-nav-link.active {
  background: rgba(59, 130, 246, 0.12);
  color: var(--primary-color);
  font-weight: 600;
}

.sincapp-nav-link.active i {
  opacity: 1;
}

[data-theme="dark"] .sincapp-nav-link::before {
  background: rgba(59, 130, 246, 0.15);
}

[data-theme="dark"] .sincapp-nav-link:hover {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
}

[data-theme="dark"] .sincapp-nav-link.active {
  background: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
}

/* Modern Footer */
.sincapp-footer {
  background: linear-gradient(135deg, #6b46c1 0%, #8b5cf6 30%, #a855f7 70%, #c084fc 100%);
  color: white;
  position: relative;
  overflow: hidden;
  box-shadow: 0 -10px 30px rgba(139, 92, 246, 0.2);
}

.footer-wave {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.15;
}

.footer-wave svg {
  width: 100%;
  height: 100%;
  color: rgba(255, 255, 255, 0.3);
}

.sincapp-footer .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 2;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  padding: 4rem 0 2rem;
}

/* Brand Section */
.footer-brand {
  max-width: 350px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  transition: transform 0.3s ease;
}

.footer-logo:hover {
  transform: scale(1.05);
}

.footer-logo img {
  width: 40px;
  height: 40px;
  filter: brightness(0) invert(1);
  transition: filter 0.3s ease;
}

.footer-logo:hover img {
  filter: brightness(0) invert(1) drop-shadow(0 0 10px rgba(79, 70, 229, 0.5));
}

.brand-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: white;
  background: linear-gradient(45deg, #ffffff, #f3e8ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 2px 10px rgba(255, 255, 255, 0.3);
}

.brand-description {
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.6;
  margin-bottom: 2rem;
  font-size: 0.95rem;
  position: relative;
  padding-left: 1rem;
}

.brand-description::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 3px;
  background: linear-gradient(45deg, #ffffff, #f3e8ff);
  border-radius: 2px;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 45px;
  height: 45px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), rgba(243, 232, 255, 0.15));
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  color: white;
  text-decoration: none;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.social-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s ease;
}

.social-link:hover::before {
  left: 100%;
}

.social-link:hover {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.25), rgba(243, 232, 255, 0.25));
  transform: translateY(-3px) scale(1.1);
  color: white;
  box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
}

/* Footer Links */
.footer-links h3 {
  color: white;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-links h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background: linear-gradient(90deg, #ffffff, #f3e8ff);
  border-radius: 2px;
  transition: width 0.3s ease;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.4);
}

.footer-links:hover h3::after {
  width: 60px;
}

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

.footer-links li {
  margin-bottom: 0.75rem;
  position: relative;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
}

.footer-links a i {
  width: 16px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.85rem;
  transition: all 0.3s ease;
}

.footer-links a::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #ffffff, #f3e8ff);
  transition: width 0.3s ease;
  border-radius: 1px;
  box-shadow: 0 0 6px rgba(255, 255, 255, 0.4);
}

.footer-links a:hover {
  color: white;
  transform: translateX(8px);
  background: rgba(255, 255, 255, 0.1);
  padding-left: 0.75rem;
  padding-right: 0.75rem;
}

.footer-links a:hover i {
  color: #f3e8ff;
  transform: scale(1.2);
}

.footer-links a:hover::before {
  width: 100%;
}

/* Contact Section */
.footer-contact h3 {
  color: white;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-contact h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background: linear-gradient(90deg, #ffffff, #f3e8ff);
  border-radius: 2px;
  transition: width 0.3s ease;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.4);
}

.footer-contact:hover h3::after {
  width: 60px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: rgba(255, 255, 255, 0.8);
  transition: all 0.3s ease;
  padding: 0.5rem;
  border-radius: 8px;
  position: relative;
  overflow: hidden;
}

.contact-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s ease;
}

.contact-item:hover::before {
  left: 100%;
}

.contact-item:hover {
  color: white;
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(5px);
}

.contact-item i {
  width: 20px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.contact-item:hover i {
  color: #f3e8ff;
  transform: scale(1.2);
}

/* Footer Bottom */
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
   border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding: 2rem 0;
  margin-top: 2rem;
  position: relative;
}

.footer-bottom::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
}

.footer-bottom-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
  font-size: 0.9rem;
  position: relative;
  padding-left: 1rem;
}

.footer-bottom p::before {
  content: '©';
  position: absolute;
  left: 0;
  color: #f3e8ff;
  font-weight: bold;
}

.footer-bottom-links {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-bottom-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 0.85rem;
  transition: all 0.3s ease;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.footer-bottom-links a i {
  width: 14px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.8rem;
  transition: all 0.3s ease;
}

.footer-bottom-links a::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #ffffff, #f3e8ff);
  transition: all 0.3s ease;
  transform: translateX(-50%);
  border-radius: 1px;
  box-shadow: 0 0 6px rgba(255, 255, 255, 0.4);
}

.footer-bottom-links a:hover {
  color: white;
  background: rgba(255, 255, 255, 0.1);
}

.footer-bottom-links a:hover i {
  color: #f3e8ff;
  transform: scale(1.1);
}

.footer-bottom-links a:hover::before {
  width: 100%;
}

/* Main Content Area */
.sincapp-main {
  margin-top: 80px; /* Header height */
  min-height: calc(100vh - 80px - 300px); /* Viewport height - header - footer */
  padding: 2rem 0;
}

.sincapp-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Custom Buttons */
.sincapp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.sincapp-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.3s, height 0.3s;
}

.sincapp-btn:hover::before {
  width: 300px;
  height: 300px;
}

.sincapp-btn-primary {
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  color: white;
  box-shadow: 0 4px 15px rgba(0, 122, 255, 0.3);
}

.sincapp-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 122, 255, 0.4);
  color: white;
  text-decoration: none;
}

.sincapp-btn-secondary {
  background: rgba(59, 130, 246, 0.08);
  color: var(--primary-color);
  border: 1px solid rgba(59, 130, 246, 0.2);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.75rem 1.5rem;
}

.sincapp-btn-secondary:hover {
  background: rgba(59, 130, 246, 0.12);
  color: var(--primary-color);
  border-color: rgba(59, 130, 246, 0.3);
  text-decoration: none;
  transform: translateY(-1px);
}

[data-theme="dark"] .sincapp-btn-secondary {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border-color: rgba(59, 130, 246, 0.3);
}

[data-theme="dark"] .sincapp-btn-secondary:hover {
  background: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
  border-color: rgba(59, 130, 246, 0.4);
}

/* Custom Cards */
.sincapp-card {
  background: var(--background-primary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 4px 20px var(--shadow-color);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sincapp-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px var(--shadow-color);
}

.sincapp-card-header {
  margin-bottom: 1.5rem;
}

.sincapp-card-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.sincapp-card-subtitle {
  color: var(--text-secondary);
  margin: 0.5rem 0 0 0;
}

/* Responsive Design */
@media (max-width: 768px) {
  .sincapp-header .container {
    padding: 0 1rem;
  }
  
  .sincapp-container {
    padding: 0 1rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }
  
  .footer-brand {
    max-width: 100%;
  }
  
  .footer-bottom-content {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-bottom-links {
    justify-content: center;
  }
  
  /* Mobile menu toggle visibility */
  .sincapp-mobile-menu-toggle {
    display: flex !important;
    margin-left: 0.5rem;
  }
  
  /* Hide desktop nav on mobile */
  .bubo-nav {
    display: none !important;
  }
  
  /* Adjust header actions for mobile */
  .sincapp-header-actions {
    display: flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
  }
}

/* Mobile Menu Toggle */
.sincapp-mobile-menu-toggle {
  display: none;
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.2);
  color: var(--primary-color);
  font-size: clamp(0.9rem, 2.2vw, 1.1rem);
  cursor: pointer;
  padding: 0.75rem;
  border-radius: 12px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

[data-theme="dark"] .sincapp-mobile-menu-toggle {
  background: rgba(59, 130, 246, 0.15);
  border-color: rgba(59, 130, 246, 0.3);
  color: #60a5fa;
}

.sincapp-mobile-menu-toggle::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.2) 0%, transparent 70%);
  transition: all 0.3s ease;
  transform: translate(-50%, -50%);
  border-radius: 50%;
}

.sincapp-mobile-menu-toggle:hover::before {
  width: 100px;
  height: 100px;
}

.sincapp-mobile-menu-toggle:hover {
  background: rgba(59, 130, 246, 0.12);
  border-color: rgba(59, 130, 246, 0.3);
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

[data-theme="dark"] .sincapp-mobile-menu-toggle:hover {
  background: rgba(59, 130, 246, 0.2);
  border-color: rgba(59, 130, 246, 0.4);
}

/* Mobile Navigation */
@media (max-width: 768px) {
  
  .sincapp-nav {
    position: fixed !important;
    top: 80px !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    height: auto !important;
    background: linear-gradient(135deg, 
      rgba(102, 126, 234, 0.95) 0%, 
      rgba(118, 75, 162, 0.95) 30%, 
      rgba(240, 147, 251, 0.95) 60%, 
      rgba(245, 87, 108, 0.95) 100%) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    border-top: 1px solid rgba(255, 255, 255, 0.1) !important;
    padding: 1.5rem !important;
    flex-direction: column !important;
    gap: 0.5rem !important;
    transform: translateY(-100%) scale(0.95) !important;
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
    transform-origin: top center !important;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15) !important;
    z-index: 10001 !important;
    display: flex !important;
    visibility: hidden !important;
    opacity: 0 !important;
  }
  
  .sincapp-nav.active {
    transform: translateY(0) scale(1) !important;
    visibility: visible !important;
    opacity: 1 !important;
    display: flex !important;
  }
  
  /* Show mobile nav when active */
  .sincapp-nav.active {
    display: flex !important;
  }
  
  .sincapp-nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    width: 100% !important;
    text-align: left !important;
    padding: 1rem 1.5rem !important;
    border-radius: 16px !important;
    font-weight: 600 !important;
    font-size: clamp(0.9rem, 2.5vw, 1rem) !important;
    letter-spacing: 0.3px !important;
    position: relative !important;
    overflow: hidden !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    display: flex !important;
    align-items: center !important;
    gap: 0.75rem !important;
    text-decoration: none !important;
  }
  
  .sincapp-nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
  }
  
  .sincapp-nav-link:hover::before {
    left: 100%;
  }
  
  .sincapp-nav-link:hover {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    transform: translateX(8px) scale(1.02);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
  }
  
  .sincapp-nav-link:hover i {
    transform: scale(1.2) rotate(5deg);
  }
  
  .sincapp-nav-link.active {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3);
  }
  
  /* Mobile menu overlay */
  .sincapp-mobile-overlay {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100% !important;
    height: 100% !important;
    background: rgba(0, 0, 0, 0.5) !important;
    backdrop-filter: blur(5px) !important;
    opacity: 0 !important;
    visibility: hidden !important;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
    z-index: 9999 !important;
  }
  
  .sincapp-mobile-overlay.active {
    opacity: 1 !important;
    visibility: visible !important;
  }
  
  /* Menu item entrance animation */
  .sincapp-nav-link.menu-item-entrance {
    animation: menuItemEntrance 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  }
  
  @keyframes menuItemEntrance {
    0% {
      opacity: 0;
      transform: translateX(-50px) scale(0.8);
    }
    50% {
      opacity: 0.7;
      transform: translateX(-10px) scale(0.95);
    }
    100% {
      opacity: 1;
      transform: translateX(0) scale(1);
    }
  }
  
  /* Mobile menu toggle animation */
  .sincapp-mobile-menu-toggle i {
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  }
  
  .sincapp-mobile-menu-toggle i.fa-times {
    transform: rotate(180deg) scale(1.1);
  }
  
  /* Menu toggle button pulse effect */
  .sincapp-mobile-menu-toggle:active {
    transform: scale(0.95);
  }
  
  .sincapp-mobile-menu-toggle:active i {
    transform: scale(0.9);
  }
  
  /* Prevent body scroll when menu is open */
  body.menu-open {
    overflow: hidden !important;
  }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }

.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 1rem; }
.p-4 { padding: 1.5rem; }
.p-5 { padding: 3rem; }

.d-flex { display: flex; }
.d-grid { display: grid; }
.d-block { display: block; }
.d-none { display: none; }

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

.align-center { align-items: center; }
.align-start { align-items: flex-start; }
.align-end { align-items: flex-end; }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

/* Animation Classes */
.fade-in {
  animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.slide-up {
  animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
  from { 
    opacity: 0;
    transform: translateY(20px);
  }
  to { 
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Typography */
html {
  font-size: 16px;
}

@media (max-width: 1200px) {
  html {
    font-size: 15.5px;
  }
}

@media (max-width: 900px) {
  html {
    font-size: 15px;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }
}

@media (max-width: 600px) {
  html {
    font-size: 14.5px;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 16px;
  }
}

/* Responsive Headings */
h1 {
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1.2;
}

h2 {
  font-size: clamp(1.5rem, 4vw, 3rem);
  line-height: 1.3;
}

h3 {
  font-size: clamp(1.25rem, 3vw, 2rem);
  line-height: 1.4;
}

h4 {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  line-height: 1.4;
}

h5 {
  font-size: clamp(1rem, 2vw, 1.25rem);
  line-height: 1.5;
}

h6 {
  font-size: clamp(0.9rem, 1.8vw, 1rem);
  line-height: 1.5;
}

/* Responsive Paragraphs */
p {
  font-size: clamp(1.5rem, 2vw, 1.5rem);
  line-height: 1.6;
}

/* Responsive Buttons */
.sincapp-btn {
  font-size: clamp(0.875rem, 2vw, 1rem);
}

/* Responsive Cards */
.sincapp-card-title {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
}

.sincapp-card-subtitle {
  font-size: clamp(0.875rem, 2vw, 0.9rem);
}

/* Header arka planı için hafif gri fade */
.header-bg {
  min-height: 96px;
  background: linear-gradient(180deg, #f7f9fb 5%, transparent 100%);
  display: flex;
  justify-content: center;
  align-items: flex-start;
  position: sticky;
  top: 0;
  z-index: 10000;
  padding-top: 24px;
  padding-bottom: 24px;
}

.sincapp-header-box {
  background: #fff;
  border-radius: 32px;
  box-shadow: 0 4px 32px 0 rgba(16, 30, 54, 0.08), 0 1.5px 4px 0 rgba(16, 30, 54, 0.04);
  max-width: 1200px;
  width: calc(100% - 20px - 17px);
  margin: 0 auto;
  padding: 0;
  position: relative;
  display: flex;
  align-items: center;
  min-height: 72px;
  transition: box-shadow 0.3s cubic-bezier(0.4,0,0.2,1);
}

.sincapp-header-inner {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  min-height: 72px;
  box-sizing: border-box;
}

.bubo-logo {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: clamp(1rem, 2.5vw, 2rem);
  color: #111827;
  letter-spacing: -0.04em;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.2s;
}
.bubo-logo:hover {
  color: var(--primary-color);
}

.bubo-nav {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  margin: 0 auto;
}

.bubo-nav .sincapp-nav-link {
  background: none;
  color: #222;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(0.9rem, 2vw, 1.05rem);
  font-weight: 600;
  border-radius: 12px;
  padding: 0.25rem 0.5rem;
  letter-spacing: -0.01em;
  box-shadow: none;
  transition: color 0.2s, background 0.2s;
  position: relative;
  outline: none;
}
.bubo-nav .sincapp-nav-link:hover,
.bubo-nav .sincapp-nav-link:focus {
  color: var(--primary-color);
  background: rgba(0, 122, 255, 0.08);
}

.bubo-nav .sincapp-nav-link.active {
  color: var(--primary-color);
  background: rgba(0, 122, 255, 0.12);
}

.bubo-login-btn {
  background: #f7f9fb;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(0.9rem, 2.2vw, 1.15rem);
  font-weight: 700;
  border-radius: 18px;
  padding: 0.7rem 2.2rem;
  border: none;
  box-shadow: 0 1px 4px 0 rgba(16, 30, 54, 0.04);
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
  outline: none;
  margin-left: 1.5rem;
  cursor: pointer;
  display: inline-block;
  white-space: nowrap;
}
.bubo-login-btn:hover,
.bubo-login-btn:focus {
  background: rgba(0, 122, 255, 0.08);
  color: var(--primary-color);
  box-shadow: 0 2px 8px 0 rgba(0, 122, 255, 0.08);
}

@media (max-width: 1200px) {
  .sincapp-header-inner {
    padding: 0 30px;
  }
  .bubo-nav {
    gap: 2rem;
  }
}

@media (max-width: 900px) {
  .sincapp-header-inner {
    padding: 0 20px;
  }
  .bubo-nav {
    gap: 1.5rem;
  }
  .bubo-login-btn {
    padding: 0.6rem 1.8rem;
  }
}

@media (max-width: 768px) {
  .sincapp-header-inner {
    padding: 0 15px;
  }
  .bubo-nav {
    display: none !important;
  }
  .bubo-login-btn {
    padding: 0.5rem 1.5rem;
    margin-left: 0.75rem;
  }
  .sincapp-mobile-menu-toggle {
    display: flex !important;
    margin-left: 0.5rem;
  }
  .sincapp-header-actions {
    display: flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
  }
}

@media (max-width: 600px) {
  .header-bg {
    padding-top: 8px;
    padding-bottom: 8px;
    width: calc(100vw - 12px);
  }
  .sincapp-header-box {
    border-radius: 18px;
    min-height: 56px;
    width: calc(100% - 16px - 17px);
  }
  .sincapp-header-inner {
    padding: 0 10px;
    min-height: 56px;
  }
  .bubo-logo {
    font-size: 1rem;
  }
  .bubo-login-btn {
    padding: 0.4rem 1.2rem;
    border-radius: 12px;
    margin-left: 0.5rem;
  }
  
  /* Mobile menu toggle adjustments for very small screens */
  .sincapp-mobile-menu-toggle {
    padding: 0.5rem !important;
    min-width: 40px !important;
    min-height: 40px !important;
  }
  
  .sincapp-header-actions {
    gap: 0.25rem !important;
  }
}

@media (max-width: 480px) {
  .header-bg {
    width: calc(100vw - 8px);
  }
  .sincapp-header-box {
    width: calc(100% - 12px - 8px);
  }
  .sincapp-header-inner {
    padding: 0 10px;
  }
  .bubo-logo {
    font-size: 0.95rem;
  }
  .bubo-login-btn {
    padding: 0.35rem 1rem;
    margin-left: 0.4rem;
  }
  .sincapp-mobile-menu-toggle {
    padding: 0.4rem !important;
    min-width: 36px !important;
    min-height: 36px !important;
  }
}

/* Footer Responsive Design */
@media (max-width: 1024px) {
  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding: 3rem 0 2rem;
  }
  
  .footer-brand {
    grid-column: 1 / -1;
    max-width: 100%;
    text-align: center;
  }
  
  .footer-logo {
    justify-content: center;
  }
  
  .social-links {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .sincapp-footer .container {
    padding: 0 1.5rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 2.5rem 0 2rem;
  }
  
  .footer-brand {
    text-align: center;
  }
  
  .footer-links h3,
  .footer-contact h3 {
    text-align: center;
  }
  
  .footer-links h3::after,
  .footer-contact h3::after {
    left: 50%;
    transform: translateX(-50%);
  }
  
  .footer-links ul {
    text-align: center;
  }
  
  .contact-info {
    align-items: center;
  }
  
  .contact-item {
    justify-content: center;
    min-width: 200px;
  }
  
  .footer-bottom-content {
    flex-direction: column;
    text-align: center;
    gap: 1.5rem;
  }
  
  .footer-bottom-links {
    justify-content: center;
    gap: 1.5rem;
  }
  
  .social-links {
    gap: 0.75rem;
  }
  
  .social-link {
    width: 40px;
    height: 40px;
  }
}

@media (max-width: 480px) {
  .sincapp-footer .container {
    padding: 0 1rem;
  }
  
  .footer-content {
    padding: 2rem 0 1.5rem;
    gap: 1.5rem;
  }
  
  .footer-logo {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .brand-name {
    font-size: 1.25rem;
  }
  
  .brand-description {
    font-size: 0.9rem;
    padding-left: 0.5rem;
  }
  
  .social-links {
    gap: 0.5rem;
  }
  
  .social-link {
    width: 35px;
    height: 35px;
  }
  
  .footer-bottom-links {
    flex-direction: column;
    gap: 1rem;
  }
  
  .footer-bottom-links a {
    padding: 0.5rem;
    font-size: 0.9rem;
  }
  
  .contact-item {
    min-width: 180px;
    padding: 0.75rem;
  }
  
  .contact-item i {
    font-size: 1rem;
  }
}