/**
 * Advanced Color System Enhancements
 * Additional styles for improved visual experience
 */

/* Enhanced Hero Section */
.hero {
  position: relative;
  overflow: hidden;
}

.hero .hero-content h2 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 24px;
  text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.hero .hero-content p {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  line-height: 1.6;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  max-width: 600px;
}

/* Floating Animation for Hero Elements */
.hero .floating-elements {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.hero .floating-elements::before,
.hero .floating-elements::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  animation: float 6s ease-in-out infinite;
}

.hero .floating-elements::before {
  width: 100px;
  height: 100px;
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.hero .floating-elements::after {
  width: 60px;
  height: 60px;
  top: 60%;
  right: 15%;
  animation-delay: 3s;
}

/* Enhanced Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
}

.scroll-indicator::before {
  content: '';
  display: block;
  width: 2px;
  height: 30px;
  background: rgba(255, 255, 255, 0.5);
  margin: 0 auto 8px;
  animation: scroll-line 2s ease-in-out infinite;
}

.scroll-indicator::after {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: white;
  margin: 0 auto;
  animation: scroll-dot 2s ease-in-out infinite;
}

@keyframes scroll-line {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

@keyframes scroll-dot {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(10px); }
}

/* Advanced Gradient Animations */
@keyframes gradient-shift {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.animated-gradient {
  background: linear-gradient(-45deg, var(--primary-500), var(--secondary-500), var(--primary-600), var(--secondary-600));
  background-size: 400% 400%;
  animation: gradient-shift 15s ease infinite;
}

/* Improved Glass Effects */
.glass-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 16px;
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

.glass-card:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-5px);
  box-shadow: 
    0 16px 40px rgba(0, 0, 0, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

/* Advanced Button Styles */
.btn-primary-enhanced,
.cta-btn,
.buy-btn,
.btn-get-started,
.btn-visit {
  background: var(--gradient-primary) !important;
  border: none !important;
  border-radius: 50px !important;
  padding: 12px 32px !important;
  color: white !important;
  font-weight: 600 !important;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
  box-shadow: 0 4px 16px rgba(20, 136, 204, 0.3) !important;
  text-decoration: none !important;
  display: inline-block;
}

.btn-primary-enhanced::before,
.cta-btn::before,
.buy-btn::before,
.btn-get-started::before,
.btn-visit::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 0.6s;
}

.btn-primary-enhanced:hover::before,
.cta-btn:hover::before,
.buy-btn:hover::before,
.btn-get-started:hover::before,
.btn-visit:hover::before {
  left: 100%;
}

.btn-primary-enhanced:hover,
.cta-btn:hover,
.buy-btn:hover,
.btn-get-started:hover,
.btn-visit:hover {
  transform: translateY(-3px) !important;
  box-shadow: 0 8px 25px rgba(20, 136, 204, 0.4) !important;
  background: var(--gradient-hero) !important;
  color: white !important;
  text-decoration: none !important;
}

/* Secondary Button Style */
.btn-outline-primary {
  background: transparent !important;
  border: 2px solid var(--primary-500) !important;
  border-radius: 50px !important;
  padding: 10px 30px !important;
  color: var(--primary-500) !important;
  font-weight: 600 !important;
  transition: all 0.3s ease !important;
  position: relative;
  overflow: hidden;
}

.btn-outline-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  transition: left 0.3s ease;
  z-index: -1;
}

.btn-outline-primary:hover::before {
  left: 0;
}

.btn-outline-primary:hover {
  color: white !important;
  border-color: transparent !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 6px 20px rgba(20, 136, 204, 0.3) !important;
}

/* Advanced Typography */
.heading-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
  position: relative;
}

.heading-gradient::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.heading-gradient:hover::after {
  opacity: 1;
}

/* Enhanced Icon Boxes */
.icon-box-enhanced {
  background: var(--surface-color);
  border-radius: 20px;
  padding: 40px 30px;
  text-align: center;
  position: relative;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.icon-box-enhanced::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.icon-box-enhanced:hover::before {
  transform: scaleX(1);
}

.icon-box-enhanced:hover {
  transform: translateY(-10px);
  box-shadow: 
    0 20px 40px rgba(0, 0, 0, 0.1),
    0 8px 16px rgba(0, 0, 0, 0.05);
  border-color: var(--primary-200);
}

.icon-box-enhanced .icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: white;
  transition: all 0.3s ease;
}

.icon-box-enhanced:hover .icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 8px 20px rgba(20, 136, 204, 0.3);
}

/* Floating Elements */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

.floating {
  animation: float 3s ease-in-out infinite;
}

.floating:nth-child(even) {
  animation-delay: 1.5s;
}

/* Enhanced Sections */
.section-enhanced {
  position: relative;
  overflow: hidden;
}

.section-enhanced::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(20, 136, 204, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(43, 50, 178, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(20, 136, 204, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 12px;
}

::-webkit-scrollbar-track {
  background: var(--neutral-100);
  border-radius: 6px;
}

::-webkit-scrollbar-thumb {
  background: var(--gradient-primary);
  border-radius: 6px;
  border: 2px solid var(--neutral-100);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gradient-hero);
}

/* Dark mode scrollbar */
[data-theme="dark"] ::-webkit-scrollbar-track {
  background: var(--neutral-800);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
  border-color: var(--neutral-800);
}

/* Loading States */
.loading-shimmer {
  background: linear-gradient(90deg, 
    var(--neutral-200) 25%, 
    var(--neutral-100) 50%, 
    var(--neutral-200) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

[data-theme="dark"] .loading-shimmer {
  background: linear-gradient(90deg, 
    var(--neutral-700) 25%, 
    var(--neutral-600) 50%, 
    var(--neutral-700) 75%
  );
  background-size: 200% 100%;
}

/* Enhanced Forms */
.form-control,
input[type="text"],
input[type="email"],
input[type="password"],
textarea {
  background: var(--surface-color) !important;
  border: 2px solid var(--border-color) !important;
  border-radius: 12px !important;
  padding: 16px 20px !important;
  font-size: 16px !important;
  color: var(--default-color) !important;
  transition: all 0.3s ease !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04) !important;
}

.form-control:focus,
input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
textarea:focus {
  border-color: var(--primary-500) !important;
  box-shadow: 0 0 0 3px rgba(20, 136, 204, 0.1), 0 4px 16px rgba(0, 0, 0, 0.08) !important;
  outline: none !important;
  transform: translateY(-2px) !important;
}

.form-control::placeholder,
input::placeholder,
textarea::placeholder {
  color: var(--text-muted) !important;
  font-size: 15px !important;
}

/* Enhanced Form Groups */
.form-group {
  position: relative;
  margin-bottom: 24px;
}

.form-label {
  font-weight: 600;
  color: var(--heading-color);
  margin-bottom: 8px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Animation Classes */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.animate-in {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

/* Form Error States */
.form-control.error,
input.error,
textarea.error {
  border-color: var(--error-500) !important;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1) !important;
}

.field-error {
  color: var(--error-500);
  font-size: 14px;
  margin-top: 8px;
  display: flex;
  align-items: center;
}

.field-error::before {
  content: '⚠';
  margin-left: 8px;
}

/* Loading Overlay */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  backdrop-filter: blur(10px);
}

.loading-spinner {
  text-align: center;
  color: white;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top: 4px solid var(--primary-500);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 16px;
}

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

/* Floating Labels */
.form-group {
  position: relative;
}

.form-group label.floating {
  position: absolute;
  top: -8px;
  right: 12px;
  background: var(--surface-color);
  padding: 0 8px;
  font-size: 12px;
  color: var(--primary-500);
  transition: all 0.3s ease;
}

/* Tilt Effect Base */
.icon-box,
.service-item,
.glass-card {
  transition: transform 0.3s ease;
}

/* Magnetic Button Effect */
.btn-getstarted,
.cta-btn,
.buy-btn {
  transition: transform 0.2s ease;
}

/* Scroll Indicator */
.scroll-indicator {
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.3s ease;
}

.scroll-indicator:hover {
  opacity: 1;
}

/* Performance Optimizations */
.animate-in,
.floating,
.glass-card,
.icon-box,
.service-item {
  will-change: transform, opacity;
}

/* Reduce animations for users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Accessibility Enhancements */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--primary-500);
  color: white;
  padding: 8px;
  text-decoration: none;
  border-radius: 4px;
  z-index: 10000;
  transition: top 0.3s;
}

.skip-link:focus {
  top: 6px;
}

/* Keyboard navigation styles */
.using-keyboard *:focus {
  outline: 2px solid var(--primary-500) !important;
  outline-offset: 2px !important;
}

/* High contrast mode */
.high-contrast {
  --primary-500: #0066cc;
  --secondary-500: #6600cc;
  --text-muted: var(--neutral-700);
  --border-color: var(--neutral-600);
}

[data-theme="dark"].high-contrast {
  --primary-500: #66b3ff;
  --secondary-500: #b366ff;
  --text-muted: var(--neutral-300);
  --border-color: var(--neutral-400);
}

/* Reduced motion preferences */
.reduce-motion *,
.reduce-motion *::before,
.reduce-motion *::after {
  animation-duration: 0.01ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: 0.01ms !important;
  scroll-behavior: auto !important;
}

/* Focus indicators for custom elements */
.icon-box:focus-within,
.service-item:focus-within,
.glass-card:focus-within {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

/* Print styles */
@media print {
  .theme-toggle,
  .scroll-indicator,
  .floating-elements {
    display: none !important;
  }
  
  .hero::after,
  .section-enhanced::before {
    display: none !important;
  }
  
  * {
    background: white !important;
    color: black !important;
    box-shadow: none !important;
  }
}

/* Screen reader only content */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Performance optimizations */
.lazy {
  opacity: 0;
  transition: opacity 0.3s;
}

.lazy.loaded {
  opacity: 1;
}

/* Error States */
.error-message {
  display: none; /* مخفي افتراضياً حتى يحدث خطأ */
  background: var(--error-100);
  border: 1px solid var(--error-300);
  color: var(--error-700);
  padding: 12px 16px;
  border-radius: 8px;
  margin: 16px 0;
  align-items: center;
}

.error-message.show {
  display: flex; /* يظهر عند إضافة class="show" */
}

.error-message::before {
  content: '⚠';
  margin-left: 8px;
  font-size: 18px;
}

.success-message {
  background: var(--success-100);
  border: 1px solid var(--success-300);
  color: var(--success-700);
  padding: 12px 16px;
  border-radius: 8px;
  margin: 16px 0;
  display: flex;
  align-items: center;
}

.success-message::before {
  content: '✓';
  margin-left: 8px;
  font-size: 18px;
}

/* Advanced Grid Layout */
.advanced-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin: 40px 0;
}

@media (max-width: 768px) {
  .advanced-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

/* Responsive Enhancements */
@media (max-width: 768px) {
  .glass-card {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }
  
  .icon-box-enhanced {
    padding: 30px 20px;
  }
  
  .icon-box-enhanced .icon {
    width: 60px;
    height: 60px;
    font-size: 24px;
  }
  
  .services .service-item {
    padding: 40px 20px;
  }
  
  .services .service-item .icon {
    width: 60px;
    height: 60px;
  }
  
  .services .service-item .icon i {
    font-size: 24px;
  }
  
  .about .icon-box {
    padding: 30px 20px;
  }
  
  .about .icon-box i {
    width: 60px;
    height: 60px;
    font-size: 24px;
  }
  
  .hero .hero-content h2 {
    font-size: 2.5rem;
  }
  
  .hero .hero-content p {
    font-size: 1.1rem;
  }
  
  /* Disable complex animations on mobile */
  .icon-box,
  .service-item,
  .glass-card {
    transform: none !important;
  }
  
  /* Fixed Actions responsive */
  .fixed-actions {
    left: 10px;
    bottom: 10px;
  }
  
  .theme-toggle {
    width: 35px;
    height: 35px;
  }
  
  .theme-toggle i {
    font-size: 16px;
  }
  
  .scroll-top {
    width: 35px;
    height: 35px;
  }
  
  .scroll-top i {
    font-size: 20px;
  }
}

/* Footer Enhancements for Dark/Light Mode */
.footer {
  position: relative;
  transition: all 0.3s ease;
}

/* Light mode footer adjustments */
[data-theme="light"] .footer {
  background: linear-gradient(135deg, var(--neutral-800) 0%, var(--neutral-900) 100%);
  color: rgba(255, 255, 255, 0.9);
}

/* Dark mode footer enhancements */
[data-theme="dark"] .footer {
  background: linear-gradient(135deg, var(--neutral-900) 0%, #000000 100%);
  color: rgba(255, 255, 255, 0.95);
}

[data-theme="dark"] .footer::before {
  background: 
    radial-gradient(circle at 20% 80%, rgba(20, 136, 204, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(43, 50, 178, 0.15) 0%, transparent 50%);
}

/* Contact Section Responsive Design */
@media (max-width: 768px) {
  .contact .info-item {
    padding: 30px 20px;
    margin-bottom: 20px;
  }
  
  .contact .php-email-form {
    padding: 30px 20px;
  }
  
  .contact .php-email-form input[type=text],
  .contact .php-email-form input[type=email],
  .contact .php-email-form textarea {
    padding: 14px 16px;
    font-size: 16px; /* Prevent zoom on iOS */
  }
  
  .contact .php-email-form button[type=submit] {
    padding: 14px 32px;
    width: 100%;
  }
}

/* Footer Responsive Design */
@media (max-width: 768px) {
  .footer .footer-about {
    text-align: center;
    margin-bottom: 30px;
  }
  
  .footer .social-links {
    justify-content: center;
    margin-bottom: 30px;
  }
  
  .footer .footer-links {
    text-align: center;
    margin-bottom: 30px;
  }
  
  .footer h4 {
    font-size: 16px;
  }
  
  .footer h4::after {
    left: 50%;
    transform: translateX(-50%);
    right: auto;
  }
}

/* Enhanced Contact Form States */
.contact .php-email-form .form-group {
  position: relative;
  margin-bottom: 24px;
}

.contact .php-email-form .form-group.has-error input,
.contact .php-email-form .form-group.has-error textarea {
  border-color: var(--error-500);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.contact .php-email-form .form-group.has-success input,
.contact .php-email-form .form-group.has-success textarea {
  border-color: var(--success-500);
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.1);
}

.contact .php-email-form .error-message {
  display: none; /* مخفي افتراضياً */
  color: var(--error-500);
  font-size: 14px;
  margin-top: 8px;
  align-items: center;
}

.contact .php-email-form .error-message.show {
  display: flex; /* يظهر عند إضافة class="show" */
}

.contact .php-email-form .error-message::before {
  content: '⚠';
  margin-left: 8px;
}

.contact .php-email-form .success-message {
  color: var(--success-500);
  font-size: 14px;
  margin-top: 8px;
  display: flex;
  align-items: center;
}

.contact .php-email-form .success-message::before {
  content: '✓';
  margin-left: 8px;
}