/* Modern UI Enhancements for 4SFINSERV */

/* ============================================
   GLASSMORPHISM & MODERN EFFECTS
   ============================================ */

/* Glassmorphism utility class */
.glass {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.dark .glass {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Enhanced Header with glassmorphism */
header {
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  background-color: rgba(255, 255, 255, 0.8) !important;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.dark header {
  background-color: rgba(15, 23, 42, 0.8) !important;
}

/* ============================================
   MODERN GRADIENTS
   ============================================ */

.gradient-primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.gradient-secondary {
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.gradient-success {
  background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
}

.gradient-blue {
  background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.gradient-sunset {
  background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

/* Animated gradient backgrounds */
.gradient-animated {
  background: linear-gradient(-45deg, #667eea, #764ba2, #f093fb, #f5576c);
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ============================================
   SMOOTH ANIMATIONS
   ============================================ */

/* Fade in animation */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@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);
  }
}

/* Floating animation */
@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

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

/* Pulse animation for CTA buttons */
@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.7);
  }
  50% {
    transform: scale(1.05);
    box-shadow: 0 0 0 10px rgba(59, 130, 246, 0);
  }
}

.btn-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* ============================================
   ENHANCED CARDS
   ============================================ */

.card-modern {
  background: white;
  border-radius: 16px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  position: relative;
}

.dark .card-modern {
  background: #1e293b;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
}

.card-modern::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card-modern:hover::before {
  opacity: 1;
}

.card-modern:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.dark .card-modern:hover {
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
}

/* ============================================
   MODERN BUTTONS
   ============================================ */

.btn-modern {
  position: relative;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1;
}

.btn-modern::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
  z-index: -1;
}

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

.btn-modern:active {
  transform: scale(0.95);
}

/* ============================================
   IMPROVED TYPOGRAPHY
   ============================================ */

.text-gradient {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-blue {
  background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================
   MICRO-INTERACTIONS
   ============================================ */

/* Hover lift effect */
.hover-lift {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-lift:hover {
  transform: translateY(-4px);
}

/* Hover scale effect */
.hover-scale {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Hover glow effect */
.hover-glow {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-glow:hover {
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.5);
}

.dark .hover-glow:hover {
  box-shadow: 0 0 20px rgba(96, 165, 250, 0.5);
}

/* Smooth border animations */
.border-animate {
  position: relative;
  border: 2px solid transparent;
  background-clip: padding-box;
}

.border-animate::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  border-radius: inherit;
  opacity: 0;
  transition: opacity 0.3s;
  z-index: -1;
}

.border-animate:hover::before {
  opacity: 1;
}

/* ============================================
   LOADING & SKELETON STATES
   ============================================ */

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 1000px 100%;
  animation: shimmer 2s infinite;
}

.dark .skeleton {
  background: linear-gradient(90deg, #1e293b 25%, #334155 50%, #1e293b 75%);
  background-size: 1000px 100%;
}

/* ============================================
   SCROLL REVEAL ANIMATIONS
   ============================================ */

.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   MODERN SHADOWS
   ============================================ */

.shadow-soft {
  box-shadow: 0 2px 15px -3px rgba(0, 0, 0, 0.07), 0 10px 20px -2px rgba(0, 0, 0, 0.04);
}

.shadow-modern {
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.1);
}

.dark .shadow-modern {
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.4);
}

.shadow-xl-modern {
  box-shadow: 0 20px 50px -12px rgba(0, 0, 0, 0.15);
}

.dark .shadow-xl-modern {
  box-shadow: 0 20px 50px -12px rgba(0, 0, 0, 0.5);
}

/* ============================================
   IMPROVED FORM ELEMENTS
   ============================================ */

.input-modern {
  background: white;
  border: 2px solid #e2e8f0;
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 16px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.dark .input-modern {
  background: #1e293b;
  border-color: #334155;
  color: #f8fafc;
}

.input-modern:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
  transform: translateY(-2px);
}

.dark .input-modern:focus {
  border-color: #60a5fa;
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.1);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.transition-smooth {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.transition-slow {
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Backdrop blur */
.backdrop-blur-sm {
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.backdrop-blur-md {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.backdrop-blur-lg {
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

/* ============================================
   RESPONSIVE ENHANCEMENTS
   ============================================ */

@media (max-width: 768px) {
  .card-modern:hover {
    transform: translateY(-4px);
  }

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

/* ============================================
   ACCESSIBILITY IMPROVEMENTS
   ============================================ */

/* Focus states */
*:focus {
  outline: 2px solid #3b82f6;
  outline-offset: 2px;
}

*:focus:not(:focus-visible) {
  outline: none;
}

*:focus-visible {
  outline: 2px solid #3b82f6;
  outline-offset: 2px;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}