/* Enhanced animations and visual effects for TN Medical Connect */

/* Fade in animations */
.fade-in {
  opacity: 0;
  animation: fadeIn 0.8s ease-in forwards;
}

.fade-in-up {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s ease-out forwards;
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-20px);
  animation: fadeInLeft 0.8s ease-out forwards;
}

.fade-in-right {
  opacity: 0;
  transform: translateX(20px);
  animation: fadeInRight 0.8s ease-out forwards;
}

/* Staggered animations for multiple elements */
.stagger-fade-in > * {
  opacity: 0;
  animation: fadeIn 0.5s ease-out forwards;
}
  
.stagger-fade-in > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-fade-in > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-fade-in > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-fade-in > *:nth-child(4) { animation-delay: 0.4s; }
.stagger-fade-in > *:nth-child(5) { animation-delay: 0.5s; }
.stagger-fade-in > *:nth-child(6) { animation-delay: 0.6s; }

/* Pulse animation for attention-grabbing elements */
.pulse {
  animation: pulse 2s infinite;
}

/* Button hover effects */
.btn-hover-effect {
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-hover-effect:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.1);
  z-index: -2;
}

.btn-hover-effect:before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.2);
  transition: all 0.3s;
  z-index: -1;
}

.btn-hover-effect:hover:before {
  width: 100%;
}

/* Grow on hover effect for cards */
.grow-on-hover {
  transition: all 0.3s ease;
}

.grow-on-hover:hover {
  transform: scale(1.03);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* Interactive card flipping effect */
.flip-card {
  perspective: 1000px;
  background-color: transparent;
  width: 100%;
  height: 250px;
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform 0.6s;
  transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
  transform: rotateY(180deg);
}

.flip-card-front, .flip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: 0.5rem;
}

.flip-card-front {
  background-color: #f0f9ff;
  color: #1e40af;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 1.5rem;
}

.flip-card-back {
  background-color: #1e40af;
  color: white;
  transform: rotateY(180deg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 1.5rem;
}

/* Progress bars with animation */
.progress-bar {
  height: 8px;
  background-color: #e5e7eb;
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  border-radius: 4px;
  background-color: #38b2ac;
  transition: width 1s ease-in-out;
}

/* Highlighted call-to-action with pulsing glow */
.cta-highlight {
  position: relative;
}

.cta-highlight::after {
  content: '';
  position: absolute;
  top: -5px;
  left: -5px;
  right: -5px;
  bottom: -5px;
  border-radius: inherit;
  border: 2px solid #38b2ac;
  animation: pulseBorder 2s infinite;
  pointer-events: none;
}

/* Timeline design for sequential information */
.timeline {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
}

.timeline::after {
  content: '';
  position: absolute;
  width: 2px;
  background-color: #38b2ac;
  top: 0;
  bottom: 0;
  left: 50%;
  margin-left: -1px;
}

.timeline-container {
  padding: 10px 40px;
  position: relative;
  background-color: inherit;
  width: calc(50% - 40px);
}

.timeline-container::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  right: -8px;
  background-color: white;
  border: 2px solid #38b2ac;
  top: 15px;
  border-radius: 50%;
  z-index: 1;
}

.timeline-left {
  left: 0;
}

.timeline-right {
  left: 50%;
}

.timeline-left::after {
  right: -8px;
}

.timeline-right::after {
  left: -8px;
}

.timeline-content {
  padding: 20px;
  background-color: white;
  position: relative;
  border-radius: 6px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

/* Keyframes definitions */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

@keyframes fadeInLeft {
  from { 
    opacity: 0;
    transform: translateX(-20px);
  }
  to { 
    opacity: 1;
    transform: translateX(0);
  }
}

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

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

@keyframes pulseBorder {
  0% {
    opacity: 0.7;
  }
  50% {
    opacity: 0.3;
  }
  100% {
    opacity: 0.7;
  }
}

/* Modern toggle switch */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 52px;
  height: 26px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  transition: .4s;
  border-radius: 26px;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
}

input:checked + .toggle-slider {
  background-color: #38b2ac;
}

input:checked + .toggle-slider:before {
  transform: translateX(26px);
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(0,0,0,0.05);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb {
  background: rgba(56, 178, 172, 0.5);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(56, 178, 172, 0.7);
}

/* Dark mode styles */
.dark-mode {
  background-color: #121e2d;
  color: #e5e7eb;
}

.dark-mode .bg-white {
  background-color: #1f2937;
}

.dark-mode .text-gray-800 {
  color: #f3f4f6;
}

.dark-mode .text-gray-600, 
.dark-mode .text-gray-700 {
  color: #d1d5db;
}

.dark-mode .border-gray-200,
.dark-mode .border-gray-100 {
  border-color: #374151;
}

.dark-mode .bg-gray-50 {
  background-color: #263240;
}

.dark-mode .bg-gray-100 {
  background-color: #1f2937;
}

/* Testimonial carousel styles */
.testimonial-carousel {
  overflow: hidden;
  position: relative;
}

.testimonial-track {
  display: flex;
  transition: transform 0.5s ease-in-out;
}

.testimonial-slide {
  flex: 0 0 100%;
  max-width: 100%;
  padding: 20px;
  box-sizing: border-box;
}

.testimonial-navigation {
  display: flex;
  justify-content: center;
  margin-top: 20px;
}

.testimonial-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #cbd5e0;
  margin: 0 5px;
  cursor: pointer;
}

.testimonial-dot.active {
  background-color: #38b2ac;
}

/* Tooltip styles */
.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip .tooltip-text {
  visibility: hidden;
  width: 120px;
  background-color: #1e40af;
  color: #fff;
  text-align: center;
  border-radius: 6px;
  padding: 5px;
  position: absolute;
  z-index: 1;
  bottom: 125%;
  left: 50%;
  margin-left: -60px;
  opacity: 0;
  transition: opacity 0.3s;
}

.tooltip .tooltip-text::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -5px;
  border-width: 5px;
  border-style: solid;
  border-color: #1e40af transparent transparent transparent;
}

.tooltip:hover .tooltip-text {
  visibility: visible;
  opacity: 1;
}

/* Interactive features for accessible UI */
.focus-indicator:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(56, 178, 172, 0.5);
  border-radius: 0.375rem;
}

/* Interactive stats counter */
.counter-animation {
  display: inline-block;
  font-weight: bold;
}

/* === INTERSECTION-ACTIVATED ANIMATIONS === */

/* Fade visibility when element comes into view */
.fade-in,
.fade-in-up,
.fade-in-left,
.fade-in-right {
  opacity: 0;
  transform: translateY(20px); /* fallback default */
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.visible {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

/* Optional class if you want to use float-specific animation */
.animate-float-in {
  opacity: 0;
  transform: translateY(15px);
  animation: fadeInUp 0.8s ease-out forwards;
}

/* Delay utilities */
.delay-100 {
  animation-delay: 0.1s;
}
.delay-300 {
  animation-delay: 0.3s;
}