/* ===================================
   INTERACTIVE HOVER EFFECTS & MICRO-ANIMATIONS
   =================================== */

/* ===================================
   BUTTON HOVER STATES WITH MODERN TRANSITIONS
   =================================== */

/* Enhanced Primary Button Hover Effects */
.btn-primary,
.hero-btn {
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
}

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

.btn-primary:hover::after,
.hero-btn:hover::after {
  width: 300px;
  height: 300px;
}

.btn-primary:hover,
.hero-btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 15px 35px rgba(0, 102, 255, 0.4);
}

.btn-primary span,
.hero-btn span {
  position: relative;
  z-index: 1;
}

/* Button Loading State */
.btn-loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}

.btn-loading::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid var(--color-white);
  border-radius: 50%;
  animation: buttonSpin 1s linear infinite;
}

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

/* Secondary Button Styles */
.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  position: relative;
  overflow: hidden;
}

.btn-secondary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--color-primary);
  transition: left var(--transition-base);
  z-index: -1;
}

.btn-secondary:hover::before {
  left: 0;
}

.btn-secondary:hover {
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 102, 255, 0.3);
}

/* Floating Action Button */
.btn-fab {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
}

.btn-fab:hover {
  transform: scale(1.1) rotate(5deg);
  box-shadow: var(--shadow-2xl);
}

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

/* ===================================
   CARD HOVER EFFECTS WITH ELEVATION CHANGES
   =================================== */

/* Enhanced Card Hover Effects */
.card,
.philosophy-card,
.experience-content {
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.card::before,
.philosophy-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.05) 0%, rgba(108, 92, 231, 0.05) 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: 0;
}

.card:hover::before,
.philosophy-card:hover::before {
  opacity: 1;
}

.card:hover,
.philosophy-card:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: 
    0 25px 50px rgba(0, 0, 0, 0.15),
    0 0 0 1px rgba(0, 102, 255, 0.1);
}

/* Experience Card Hover Effects */
.experience-content {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--color-white);
  margin-bottom: var(--space-4);
  border-left: 4px solid transparent;
  transition: all var(--transition-base);
}

.experience-content:hover {
  transform: translateX(8px);
  border-left-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  background: linear-gradient(135deg, var(--color-white) 0%, rgba(0, 102, 255, 0.02) 100%);
}

/* Skills Card Hover Effects */
.skill-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-base);
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.skill-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-light) 100%);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.skill-card:hover::after {
  transform: scaleX(1);
}

.skill-card:hover {
  transform: translateY(-6px) rotate(1deg);
  box-shadow: var(--shadow-xl);
}

/* ===================================
   LINK HOVER ANIMATIONS AND FEEDBACK
   =================================== */

/* Enhanced Navigation Link Hover Effects */
.nav-link {
  position: relative;
  overflow: hidden;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-base);
}

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

/* Text Link Hover Effects */
a:not(.btn):not(.nav-link):not(.hero-btn) {
  position: relative;
  transition: all var(--transition-fast);
}

a:not(.btn):not(.nav-link):not(.hero-btn)::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

a:not(.btn):not(.nav-link):not(.hero-btn):hover::after {
  transform: scaleX(1);
}

a:not(.btn):not(.nav-link):not(.hero-btn):hover {
  color: var(--color-primary-light);
  transform: translateY(-1px);
}

/* Social Media Link Hover Effects */
.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--color-gray-100);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.social-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  transform: scale(0);
  transition: transform var(--transition-base);
  border-radius: 50%;
}

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

.social-link:hover {
  color: var(--color-white);
  transform: translateY(-3px) scale(1.1);
  box-shadow: var(--shadow-lg);
}

.social-link i {
  position: relative;
  z-index: 1;
  transition: transform var(--transition-fast);
}

.social-link:hover i {
  transform: scale(1.2) rotate(5deg);
}

/* ===================================
   LOADING STATES AND SKELETON SCREENS
   =================================== */

/* Skeleton Loading Animation */
@keyframes skeleton-loading {
  0% {
    background-position: -200px 0;
  }
  100% {
    background-position: calc(200px + 100%) 0;
  }
}

.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200px 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--radius-base);
}

/* Skeleton Components */
.skeleton-text {
  height: 1em;
  margin-bottom: 0.5em;
}

.skeleton-text.short {
  width: 60%;
}

.skeleton-text.medium {
  width: 80%;
}

.skeleton-text.long {
  width: 100%;
}

.skeleton-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
}

.skeleton-card {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--color-white);
  box-shadow: var(--shadow-base);
}

.skeleton-button {
  height: 40px;
  width: 120px;
  border-radius: var(--radius-base);
}

/* Content Loading States */
.content-loading {
  opacity: 0.7;
  pointer-events: none;
  position: relative;
}

.content-loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Pulse Loading Animation */
.pulse-loading {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

/* Shimmer Effect */
.shimmer {
  position: relative;
  overflow: hidden;
}

.shimmer::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transform: translateX(-100%);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  100% {
    transform: translateX(100%);
  }
}

/* ===================================
   MICRO-ANIMATIONS FOR UI FEEDBACK
   =================================== */

/* Bounce Animation for Interactive Elements */
.bounce-on-hover:hover {
  animation: bounce 0.6s ease-in-out;
}

@keyframes bounce {
  0%, 20%, 60%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  80% {
    transform: translateY(-5px);
  }
}

/* Shake Animation for Error States */
.shake {
  animation: shake 0.5s ease-in-out;
}

@keyframes shake {
  0%, 100% {
    transform: translateX(0);
  }
  10%, 30%, 50%, 70%, 90% {
    transform: translateX(-5px);
  }
  20%, 40%, 60%, 80% {
    transform: translateX(5px);
  }
}

/* Glow Effect for Focus States */
.glow-on-focus:focus {
  box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.3);
  outline: none;
}

/* Ripple Effect for Buttons */
.ripple {
  position: relative;
  overflow: hidden;
}

.ripple::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.ripple:active::before {
  width: 300px;
  height: 300px;
}

/* Floating Animation for Call-to-Action Elements */
.float {
  animation: float 3s ease-in-out infinite;
}

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

/* Scale Animation for Interactive Icons */
.scale-on-hover {
  transition: transform var(--transition-base);
}

.scale-on-hover:hover {
  transform: scale(1.15);
}

/* Rotate Animation for Interactive Elements */
.rotate-on-hover {
  transition: transform var(--transition-base);
}

.rotate-on-hover:hover {
  transform: rotate(5deg);
}

/* ===================================
   ACCESSIBILITY AND REDUCED MOTION
   =================================== */

/* Respect user's motion preferences */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .skeleton {
    animation: none;
    background: #f0f0f0;
  }
  
  .shimmer::after {
    animation: none;
  }
  
  .float {
    animation: none;
  }
  
  .bounce-on-hover:hover {
    animation: none;
    transform: none;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .card:hover,
  .philosophy-card:hover {
    border: 2px solid var(--color-primary);
  }
  
  .btn-primary:hover {
    border: 2px solid var(--color-white);
  }
}

/* ===================================
   RESPONSIVE HOVER EFFECTS
   =================================== */

/* Disable hover effects on touch devices */
@media (hover: none) and (pointer: coarse) {
  .card:hover,
  .philosophy-card:hover,
  .btn-primary:hover,
  .hero-btn:hover,
  .nav-link:hover,
  .social-link:hover {
    transform: none;
    box-shadow: var(--shadow-base);
  }
  
  .card:hover::before,
  .philosophy-card:hover::before {
    opacity: 0;
  }
  
  .nav-link:hover::after,
  a:hover::after {
    transform: scaleX(0);
  }
}

/* Enhanced hover effects for devices with precise pointing */
@media (hover: hover) and (pointer: fine) {
  .enhanced-hover:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: var(--shadow-2xl);
  }
}

/* ===================================
   CONTACT SECTION HOVER EFFECTS
   =================================== */

/* Contact Section Layout */
.contact {
  padding: var(--space-12) 0;
  background: linear-gradient(135deg, var(--color-white) 0%, var(--color-gray-50) 100%);
}

.contact .header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.contact .header h3 {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  position: relative;
}

.contact .header h3::after {
  content: '';
  position: absolute;
  bottom: -var(--space-2);
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  border-radius: var(--radius-full);
}

/* Contact Grid */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

/* Contact Cards */
.contact-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-base);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.8);
}

.contact-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.contact-card:hover::before {
  transform: scaleX(1);
}

.contact-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-xl);
  border-color: rgba(0, 102, 255, 0.2);
}

/* Contact Icons */
.contact-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--space-4);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.contact-card:hover .contact-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: var(--shadow-lg);
}

.contact-card h4 {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

/* Contact Links */
.contact-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
  position: relative;
}

.contact-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.contact-link:hover::after {
  transform: scaleX(1);
}

.contact-link:hover {
  color: var(--color-primary-light);
  transform: translateY(-1px);
}

/* Social Links Container */
.social-links {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

/* Resume Download Button */
.resume-download {
  text-align: center;
}

.btn-download {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-light) 100%);
  color: var(--color-white);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn-download::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.1) 100%);
  transition: left var(--transition-base);
}

.btn-download:hover::before {
  left: 0;
}

.btn-download:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 15px 35px rgba(255, 107, 53, 0.4);
}

.btn-download i {
  transition: transform var(--transition-base);
}

.btn-download:hover i {
  transform: translateX(3px);
}

/* Alternative Contact Icon Colors */
.contact-card:nth-child(2) .contact-icon {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-light) 100%);
}

.contact-card:nth-child(3) .contact-icon {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
}

/* Responsive Design for Contact Section */
@media (max-width: 768px) {
  .contact {
    padding: var(--space-8) 0;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  
  .contact-card {
    padding: var(--space-4);
  }
  
  .contact-icon {
    width: 50px;
    height: 50px;
    font-size: var(--font-size-xl);
  }
  
  .social-links {
    gap: var(--space-3);
  }
}

@media (max-width: 480px) {
  .contact .header h3 {
    font-size: var(--font-size-3xl);
  }
  
  .contact-card {
    padding: var(--space-3);
  }
  
  .social-links {
    gap: var(--space-2);
  }
  
  .btn-download {
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-sm);
  }
}

/* ===================================
   EXPERIENCE SECTION ENHANCEMENTS
   =================================== */

/* Experience Expand Button */
.experience-expand {
  margin-top: var(--space-3);
  text-align: right;
}

.btn-expand {
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  position: relative;
  overflow: hidden;
}

.btn-expand::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-primary);
  transform: scale(0);
  transition: transform var(--transition-base);
  border-radius: 50%;
}

.btn-expand:hover::before {
  transform: scale(1);
}

.btn-expand:hover {
  color: var(--color-white);
  transform: scale(1.1);
  box-shadow: var(--shadow-md);
}

.btn-expand i {
  position: relative;
  z-index: 1;
  transition: transform var(--transition-base);
}

.btn-expand:hover i {
  transform: rotate(180deg);
}

/* Enhanced Experience Content */
.experience-content {
  position: relative;
  margin-bottom: var(--space-4);
  padding: var(--space-4);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-base);
  border-left: 4px solid transparent;
  transition: all var(--transition-base);
}

.experience-content:hover {
  border-left-color: var(--color-primary);
  transform: translateX(8px);
  box-shadow: var(--shadow-lg);
}

.experience-content .experience-title {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-1);
}

.experience-content .experience-company {
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-2);
}

.experience-content .experience-date-header {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-2);
}

/* ===================================
   ENHANCED BUTTON STYLES
   =================================== */

/* Floating Action Button Variations */
.btn-fab.btn-secondary {
  background: var(--color-secondary);
}

.btn-fab.btn-accent {
  background: var(--color-accent);
}

/* Button Group Hover Effects */
.btn-group {
  display: flex;
  gap: var(--space-2);
}

.btn-group .btn:hover {
  z-index: 1;
}

/* Icon Button Hover Effects */
.btn-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-gray-100);
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.btn-icon::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-primary);
  transform: scale(0);
  transition: transform var(--transition-base);
  border-radius: 50%;
}

.btn-icon:hover::before {
  transform: scale(1);
}

.btn-icon:hover {
  color: var(--color-white);
  transform: scale(1.1);
  box-shadow: var(--shadow-md);
}

.btn-icon i {
  position: relative;
  z-index: 1;
}

/* ===================================
   ENHANCED LOADING STATES
   =================================== */

/* Skeleton Card Variations */
.skeleton-card-large {
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  background: var(--color-white);
  box-shadow: var(--shadow-base);
  margin-bottom: var(--space-4);
}

.skeleton-card-small {
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-2);
}

/* Progress Bar Loading */
.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--color-gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
  position: relative;
}

.progress-bar-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  animation: shimmer 2s infinite;
}

/* Spinner Loading */
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--color-gray-200);
  border-top: 4px solid var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: var(--space-4) auto;
}

.spinner-small {
  width: 20px;
  height: 20px;
  border-width: 2px;
}

.spinner-large {
  width: 60px;
  height: 60px;
  border-width: 6px;
}

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

/* Dots Loading */
.dots-loading {
  display: flex;
  gap: var(--space-1);
  justify-content: center;
  align-items: center;
  padding: var(--space-4);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  animation: dotPulse 1.4s infinite ease-in-out both;
}

.dot:nth-child(1) { animation-delay: -0.32s; }
.dot:nth-child(2) { animation-delay: -0.16s; }
.dot:nth-child(3) { animation-delay: 0s; }

@keyframes dotPulse {
  0%, 80%, 100% {
    transform: scale(0);
    opacity: 0.5;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

/* ===================================
   ENHANCED MICRO-ANIMATIONS
   =================================== */

/* Heartbeat Animation */
.heartbeat {
  animation: heartbeat 1.5s ease-in-out infinite both;
}

@keyframes heartbeat {
  from {
    transform: scale(1);
    transform-origin: center center;
    animation-timing-function: ease-out;
  }
  10% {
    transform: scale(0.91);
    animation-timing-function: ease-in;
  }
  17% {
    transform: scale(0.98);
    animation-timing-function: ease-out;
  }
  33% {
    transform: scale(0.87);
    animation-timing-function: ease-in;
  }
  45% {
    transform: scale(1);
    animation-timing-function: ease-out;
  }
}

/* Wobble Animation */
.wobble {
  animation: wobble 1s ease-in-out;
}

@keyframes wobble {
  0% { transform: translateX(0%); }
  15% { transform: translateX(-25%) rotate(-5deg); }
  30% { transform: translateX(20%) rotate(3deg); }
  45% { transform: translateX(-15%) rotate(-3deg); }
  60% { transform: translateX(10%) rotate(2deg); }
  75% { transform: translateX(-5%) rotate(-1deg); }
  100% { transform: translateX(0%); }
}

/* Jello Animation */
.jello {
  animation: jello 1s ease-in-out;
}

@keyframes jello {
  from, 11.1%, to {
    transform: translate3d(0, 0, 0);
  }
  22.2% {
    transform: skewX(-12.5deg) skewY(-12.5deg);
  }
  33.3% {
    transform: skewX(6.25deg) skewY(6.25deg);
  }
  44.4% {
    transform: skewX(-3.125deg) skewY(-3.125deg);
  }
  55.5% {
    transform: skewX(1.5625deg) skewY(1.5625deg);
  }
  66.6% {
    transform: skewX(-0.78125deg) skewY(-0.78125deg);
  }
  77.7% {
    transform: skewX(0.390625deg) skewY(0.390625deg);
  }
  88.8% {
    transform: skewX(-0.1953125deg) skewY(-0.1953125deg);
  }
}

/* Rubber Band Animation */
.rubber-band {
  animation: rubberBand 1s ease-in-out;
}

@keyframes rubberBand {
  from {
    transform: scale3d(1, 1, 1);
  }
  30% {
    transform: scale3d(1.25, 0.75, 1);
  }
  40% {
    transform: scale3d(0.75, 1.25, 1);
  }
  50% {
    transform: scale3d(1.15, 0.85, 1);
  }
  65% {
    transform: scale3d(0.95, 1.05, 1);
  }
  75% {
    transform: scale3d(1.05, 0.95, 1);
  }
  to {
    transform: scale3d(1, 1, 1);
  }
}

/* ===================================
   RESPONSIVE HOVER EFFECTS
   =================================== */

@media (max-width: 768px) {
  .experience-content:hover {
    transform: translateX(4px);
  }
  
  .contact-card:hover {
    transform: translateY(-4px) scale(1.01);
  }
  
  .btn-expand {
    width: 36px;
    height: 36px;
  }
  
  .social-link {
    width: 44px;
    height: 44px;
  }
}

@media (max-width: 480px) {
  .experience-content:hover {
    transform: none;
    border-left-color: var(--color-primary);
  }
  
  .contact-card:hover {
    transform: none;
    box-shadow: var(--shadow-md);
  }
  
  .btn-expand {
    width: 32px;
    height: 32px;
    font-size: 0.75rem;
  }
}

/* ===================================
   EXPERIENCE DETAILS EXPANSION
   =================================== */

.experience-details {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-gray-200);
}

.experience-technologies {
  margin-bottom: var(--space-3);
}

.experience-technologies h5,
.experience-achievements h5 {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.tech-tag {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-white);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
}

.tech-tag:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-sm);
}

.experience-achievements ul {
  margin: 0;
  padding-left: var(--space-4);
}

.experience-achievements li {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-1);
}

.experience-achievements li::marker {
  color: var(--color-primary);
}

/* Expanded state styling */
.experience-content.expanded {
  background: linear-gradient(135deg, var(--color-white) 0%, rgba(0, 102, 255, 0.02) 100%);
}

/* ===================================
   FINAL RESPONSIVE ADJUSTMENTS
   =================================== */

@media (max-width: 768px) {
  .tech-tags {
    gap: 0.25rem;
  }
  
  .tech-tag {
    padding: 0.25rem 0.5rem;
    font-size: 0.625rem;
  }
  
  .experience-details {
    margin-top: var(--space-3);
    padding-top: var(--space-3);
  }
}

@media (max-width: 480px) {
  .experience-technologies,
  .experience-achievements {
    margin-bottom: var(--space-2);
  }
  
  .experience-technologies h5,
  .experience-achievements h5 {
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-1);
  }
  
  .experience-achievements ul {
    padding-left: var(--space-3);
  }
  
  .experience-achievements li {
    font-size: 0.75rem;
  }
}