/* Apple-inspired Glassmorphism Design */

:root {
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: rgba(0, 0, 0, 0.1);
  --glass-backdrop: blur(20px);
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --neutral-gradient: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
}

/* Global Glass Effects */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  box-shadow: 0 8px 32px var(--glass-shadow);
  padding: 2rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
}

/* Enhanced Buttons */
.btn-glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  padding: 12px 24px;
  color: #333;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.btn-glass::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;
}

.btn-glass:hover::before {
  left: 100%;
}

.btn-glass:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
  color: #333;
  text-decoration: none;
}

.btn-primary-glass {
  background: var(--primary-gradient);
  color: white;
  border: none;
}

.btn-secondary-glass {
  background: var(--secondary-gradient);
  color: white;
  border: none;
}

/* Project Cards */
.project-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

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

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

.project-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.project-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.project-content {
  padding: 1.5rem;
}

.project-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #333;
}

.project-description {
  color: #666;
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.project-tag {
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 0.75rem;
  color: #555;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Experience Cards */
.experience-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2rem;
  margin-bottom: 2rem;
  position: relative;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.experience-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--accent-gradient);
  border-radius: 0 4px 4px 0;
}

.experience-card:hover {
  transform: translateX(8px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

/* Skills Section */
.skill-item {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 1rem;
  text-align: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.skill-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--primary-gradient);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.skill-item:hover::before {
  opacity: 0.1;
}

.skill-item:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.skill-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  position: relative;
  z-index: 1;
}

.skill-name {
  font-weight: 500;
  position: relative;
  z-index: 1;
}

/* Enhanced Skills Cards */
.skill-card {
  padding: 1.5rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  height: 100%;
}

.skill-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.skill-icon-large {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.progress-container {
  position: relative;
  margin-bottom: 0.5rem;
}

.progress-bar-bg {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  overflow: hidden;
  position: relative;
}

.progress-bar-fill {
  height: 100%;
  border-radius: 20px;
  transition: width 1s ease-in-out;
  position: relative;
  overflow: hidden;
}

.progress-bar-fill::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  animation: shimmer 2s infinite;
}

.progress-percentage {
  font-size: 0.8rem;
  font-weight: 600;
  color: #666;
  position: absolute;
  right: 0;
  top: -20px;
}

/* Progress bars for experience section */
.skill-progress {
  margin-bottom: 1rem;
}

.skill-name-small {
  font-size: 0.85rem;
  font-weight: 500;
  display: flex;
  align-items: center;
}

.skill-percentage {
  font-size: 0.75rem;
  font-weight: 600;
  color: #666;
}

.progress-bar-container {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  overflow: hidden;
  margin-top: 4px;
}

@keyframes shimmer {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

/* Header/Navigation */
.glass-header {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.glass-nav {
  padding: 1rem 0;
}

.nav-link-glass {
  color: #333;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 25px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.nav-link-glass::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.1);
  transform: scaleX(0);
  transition: transform 0.3s ease;
  border-radius: 25px;
}

.nav-link-glass:hover::before {
  transform: scaleX(1);
}

.nav-link-glass:hover {
  color: #333;
  text-decoration: none;
}

/* Footer */
.glass-footer {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border-top: 1px solid var(--glass-border);
  margin-top: 4rem;
  padding: 2rem 0;
}

/* Responsive Design */
@media (max-width: 768px) {
  .glass-card {
    padding: 1.5rem;
    border-radius: 16px;
  }
  
  .project-card {
    border-radius: 16px;
  }
  
  .experience-card {
    padding: 1.5rem;
    border-radius: 16px;
  }
  
  .skill-item {
    border-radius: 12px;
  }
}

/* Animation Classes */
.fade-in {
  animation: fadeIn 0.6s ease-out;
}

.slide-up {
  animation: slideUp 0.8s ease-out;
}

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

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

/* Loading Skeleton */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  :root {
    --glass-bg: rgba(0, 0, 0, 0.2);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: rgba(0, 0, 0, 0.3);
  }
  
  .project-title,
  .nav-link-glass {
    color: #f0f0f0;
  }
  
  .project-description {
    color: #ccc;
  }
  
  .project-tag {
    color: #ddd;
  }
}