/* Portfolio, About, Skills, and Contact Section Styles */

/* Portfolio Section */
.portfolio-section {
  padding: 4rem 0;
  background: var(--bg-primary);
  margin-top: 0;
}

.featured-project {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
  background: white;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-normal);
  min-height: 400px;
}

.featured-project:hover {
  transform: translateY(-5px);
}

.project-image {
  position: relative;
  overflow: hidden;
}

.featured-img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.project-image:hover .project-overlay {
  opacity: 1;
}

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

.project-links {
  display: flex;
  gap: 1rem;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--primary-color);
  color: white;
  border-radius: var(--border-radius);
  font-weight: 600;
  transition: all var(--transition-fast);
}

.project-link:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

.project-content {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.project-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.project-category {
  background: var(--secondary-color);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.project-tech {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.project-title {
  font-size: 1.5rem;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.project-description {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.project-impact {
  display: flex;
  gap: 1.5rem;
}

.impact-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.impact-item i {
  color: var(--accent-color);
}

/* Featured Project Styles */
.featured-project {
  background: var(--bg-primary);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  margin: 3rem 0;
  border: 1px solid var(--border-color);
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.featured-loading,
.projects-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 3rem;
  color: var(--text-secondary);
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-top: 3px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.featured-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  padding: 3rem;
}

.featured-image {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 16/10;
}

.featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.featured-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.featured-project:hover .featured-overlay {
  opacity: 1;
}

.featured-info h3 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
  line-height: 1.2;
}

.featured-info .project-category {
  display: inline-block;
  background: var(--primary-color);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.featured-info p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

.featured-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.featured-tech .tech-badge {
  background: var(--bg-secondary);
  color: var(--text-primary);
  padding: 0.5rem 1rem;
  border-radius: 25px;
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid var(--border-color);
}

.featured-links {
  display: flex;
  gap: 1rem;
}

.featured-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 0.95rem;
}

.featured-link.primary {
  background: var(--primary-color);
  color: white;
}

.featured-link.secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

.featured-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Projects Grid Styles */
.projects-section {
  margin-top: 4rem;
}

.projects-grid-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2rem;
  text-align: center;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

/* Card Container Styles for work-card structure */
.card-container {
  background: var(--bg-primary);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 2rem;
  height: auto;
  min-height: 420px;
  display: flex;
  flex-direction: column;
  position: relative;
  backdrop-filter: blur(10px);
}

.card-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  z-index: 1;
}

.card-container:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
  border-color: var(--primary-color);
}

.work-card {
  display: flex;
  flex-direction: column;
  flex: 1;
  background: linear-gradient(135deg, var(--bg-primary) 0%, rgba(255, 255, 255, 0.02) 100%);
  color: var(--text-primary);
  border-radius: 20px 20px 0 0;
  position: relative;
}

.work-card-image {
  height: 180px;
  overflow: hidden;
  position: relative;
  border-radius: 20px 20px 0 0;
}

.work-card-image::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.3), transparent);
  z-index: 1;
}

.work-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  filter: brightness(1.1) contrast(1.05);
}

.card-container:hover .work-card-image img {
  transform: scale(1.1);
  filter: brightness(1.2) contrast(1.1);
}

.work-card-body {
  padding: 1.5rem 1.5rem 1rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
}

.work-card-body::before {
  content: '';
  position: absolute;
  top: 0;
  left: 1.5rem;
  right: 1.5rem;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.work-card-body h1 {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  line-height: 1.2;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--text-primary), var(--primary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.work-card-body .work-description {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
  font-weight: 400;
  opacity: 0.9;
}

.work-tech-stack {
  margin-top: auto;
  padding-top: 1rem;
  position: relative;
}

.work-tech-stack::before {
  content: 'Technologies';
  position: absolute;
  top: 0;
  left: 0;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.7;
}

.tech-scroll-container {
  overflow-x: scroll;
  overflow-y: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--primary-color) transparent;
  padding-bottom: 12px;
  padding-top: 1.5rem;
  -webkit-overflow-scrolling: touch;
  max-width: 100%;
  mask-image: linear-gradient(to right, black 0%, black calc(100% - 30px), transparent 100%);
  -webkit-mask-image: linear-gradient(to right, black 0%, black calc(100% - 30px), transparent 100%);
}

.tech-scroll-container::-webkit-scrollbar {
  height: 6px;
}

.tech-scroll-container::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.1);
  border-radius: 3px;
}

.tech-scroll-container::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 3px;
}

.tech-scroll-container::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}

.work-tech-stack .ul-links {
  display: flex;
  gap: 0.75rem;
  list-style: none;
  padding: 0;
  margin: 0;
  flex-wrap: nowrap;
}

.work-tech-stack .t-stack {
  list-style: none;
  flex-shrink: 0;
}

.btn-tech-stacks {
  background: linear-gradient(135deg, var(--bg-secondary), rgba(255, 255, 255, 0.05));
  color: var(--text-primary);
  padding: 0.6rem 1.2rem;
  border-radius: 30px;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.1);
  text-decoration: none;
  display: inline-block;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  flex-shrink: 0;
  min-width: fit-content;
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.btn-tech-stacks::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s ease;
}

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

.btn-tech-stacks:hover {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
  border-color: var(--primary-color);
}

.work-card-footer {
  padding: 1.5rem;
  background: linear-gradient(135deg, var(--bg-primary), rgba(255, 255, 255, 0.02));
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: auto;
  position: relative;
}

.work-card-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 1.5rem;
  right: 1.5rem;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}

.work-card-footer .footer-btn {
  width: 100%;
  padding: 0.9rem 1.5rem;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  border: none;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  position: relative;
  overflow: hidden;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.work-card-footer .footer-btn::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 ease;
}

.work-card-footer .footer-btn:hover::before {
  left: 100%;
}

.work-card-footer .footer-btn:hover {
  background: linear-gradient(135deg, var(--primary-dark), var(--secondary-color));
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.2);
}

.work-card-footer .footer-btn:active {
  transform: translateY(-2px) scale(1.01);
}

.work-card-footer .footer-btn::after {
  content: '→';
  font-size: 1.3rem;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  font-weight: 400;
}

.work-card-footer .footer-btn:hover::after {
  transform: translateX(6px) scale(1.2);
}

.project-card {
  background: var(--bg-primary);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
  cursor: pointer;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.project-image {
  position: relative;
  height: 220px;
  overflow: hidden;
}

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

.project-card:hover .project-image img {
  transform: scale(1.1);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background: var(--primary-color);
  color: white;
  text-decoration: none;
  border-radius: 6px;
  font-weight: 500;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.project-link:hover {
  background: var(--secondary-color);
  transform: scale(1.05);
}

.project-content {
  padding: 1.75rem;
}

.project-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
  line-height: 1.3;
}

.project-description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tech-badge {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid var(--border-color);
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .featured-content {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 2rem;
  }
  
  .featured-info h3 {
    font-size: 1.5rem;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .featured-links {
    flex-direction: column;
  }
}

.portfolio-cta {
  text-align: center;
}

.view-all-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  border-radius: var(--border-radius);
  font-weight: 600;
  transition: all var(--transition-normal);
}

.view-all-btn:hover {
  background: var(--primary-color);
  color: white;
}

/* About Section */
.about-section {
  padding: 4rem 0;
  background: var(--bg-secondary);
}

/* Dark mode about enhancements */
[data-theme="dark"] .about-section {
  background: linear-gradient(135deg, 
    rgba(30, 41, 59, 0.95) 0%, 
    rgba(15, 23, 42, 0.9) 50%,
    rgba(30, 41, 59, 0.95) 100%);
  position: relative;
}

[data-theme="dark"] .about-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 30%, rgba(139, 92, 246, 0.08) 0%, transparent 50%),
              radial-gradient(circle at 80% 70%, rgba(59, 130, 246, 0.06) 0%, transparent 50%);
  pointer-events: none;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text .section-header {
  text-align: left;
  margin-bottom: 2rem;
}

.about-description p {
  font-size: 1.125rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

[data-theme="dark"] .about-description p {
  color: rgba(226, 232, 240, 0.9);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 2rem 0;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .highlight-item {
  background: linear-gradient(135deg, 
    rgba(51, 65, 85, 0.8) 0%, 
    rgba(71, 85, 105, 0.7) 100%);
  border: 1px solid rgba(148, 163, 184, 0.15);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2), 
              0 0 15px rgba(96, 165, 250, 0.05);
  backdrop-filter: blur(8px);
}

.highlight-item i {
  color: var(--primary-color);
  font-size: 1.25rem;
}

[data-theme="dark"] .highlight-item i {
  background: linear-gradient(135deg, #60a5fa, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 8px rgba(96, 165, 250, 0.3));
}

.about-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.about-visual {
  position: relative;
}

.about-image {
  position: relative;
  margin-bottom: 2rem;
}

.professional-photo {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  transition: all 0.3s ease;
}

.professional-photo:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-xl);
}

.image-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border: 2px dashed var(--border-color);
  border-radius: var(--border-radius);
  height: 300px;
  color: var(--text-light);
  font-size: 1rem;
  text-align: center;
}

.image-placeholder i {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

[data-theme="dark"] .image-placeholder {
  background: linear-gradient(135deg, 
    rgba(51, 65, 85, 0.6) 0%, 
    rgba(71, 85, 105, 0.5) 100%);
  border: 2px dashed rgba(148, 163, 184, 0.3);
  color: rgba(148, 163, 184, 0.8);
  backdrop-filter: blur(10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.image-placeholder i {
  font-size: 4rem;
  margin-bottom: 1rem;
}

.experience-card {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  background: white;
  padding: 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
}

[data-theme="dark"] .experience-card {
  background: linear-gradient(135deg, 
    rgba(51, 65, 85, 0.9) 0%, 
    rgba(71, 85, 105, 0.8) 100%);
  border: 1px solid rgba(148, 163, 184, 0.1);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 
              0 0 20px rgba(96, 165, 250, 0.05);
  backdrop-filter: blur(10px);
}

.exp-item {
  text-align: center;
}

.exp-number {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

[data-theme="dark"] .exp-number {
  background: linear-gradient(135deg, #60a5fa, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 10px rgba(96, 165, 250, 0.3));
}

.exp-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

[data-theme="dark"] .exp-label {
  color: rgba(148, 163, 184, 0.9);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.skills-divider {
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
  margin: 3rem 0;
}

[data-theme="dark"] .skills-divider {
  background: linear-gradient(90deg, 
    transparent, 
    rgba(96, 165, 250, 0.6), 
    rgba(167, 139, 250, 0.4), 
    rgba(96, 165, 250, 0.6), 
    transparent);
  height: 3px;
  box-shadow: 0 0 10px rgba(96, 165, 250, 0.3);
}

/* Skills Section */
.skills-section {
  padding: 3rem 0;
  background: var(--bg-primary);
}

/* Dark mode skills enhancements */
[data-theme="dark"] .skills-section {
  background: linear-gradient(135deg, 
    rgba(15, 23, 42, 0.95) 0%, 
    rgba(30, 41, 59, 0.9) 50%,
    rgba(15, 23, 42, 0.95) 100%);
  position: relative;
}

[data-theme="dark"] .skills-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 20%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
              radial-gradient(circle at 70% 80%, rgba(139, 92, 246, 0.06) 0%, transparent 50%);
  pointer-events: none;
}

/* Loading states */
.shimmer-text {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 4px;
  height: 1em;
  display: inline-block;
  width: 100%;
}

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

.project-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  color: var(--text-secondary);
  font-size: 1.125rem;
}

.project-loading i {
  margin-right: 0.5rem;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.skill-category {
  background: white;
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
}

[data-theme="dark"] .skill-category {
  background: linear-gradient(135deg, 
    rgba(51, 65, 85, 0.9) 0%, 
    rgba(71, 85, 105, 0.8) 100%);
  border: 1px solid rgba(148, 163, 184, 0.1);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 
              0 0 20px rgba(96, 165, 250, 0.05);
  backdrop-filter: blur(10px);
}

.skill-category:hover {
  transform: translateY(-5px);
}

[data-theme="dark"] .skill-category:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4), 
              0 0 30px rgba(96, 165, 250, 0.15);
  border-color: rgba(96, 165, 250, 0.3);
}

.category-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.category-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.25rem;
}

[data-theme="dark"] .category-icon {
  background: linear-gradient(135deg, #60a5fa, #a78bfa);
  box-shadow: 0 8px 20px rgba(96, 165, 250, 0.3), 
              0 0 15px rgba(167, 139, 250, 0.2);
  border: 2px solid rgba(255, 255, 255, 0.1);
}

.category-header h3 {
  font-size: 1.25rem;
  color: var(--text-primary);
  margin: 0;
}

[data-theme="dark"] .category-header h3 {
  background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}

.skills-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.skill-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  background: var(--bg-secondary);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
}

[data-theme="dark"] .skill-item {
  background: linear-gradient(135deg, 
    rgba(30, 41, 59, 0.6) 0%, 
    rgba(51, 65, 85, 0.4) 100%);
  border: 1px solid rgba(148, 163, 184, 0.1);
  color: rgba(226, 232, 240, 0.9);
  backdrop-filter: blur(5px);
}

.skill-item:hover {
  background: var(--primary-color);
  color: white;
  transform: translateX(5px);
}

[data-theme="dark"] .skill-item:hover {
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  color: white;
  transform: translateX(8px) scale(1.02);
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
  border-color: rgba(96, 165, 250, 0.5);
}

.skill-item i {
  font-size: 1.25rem;
  width: 20px;
}

/* Contact Section */
.contact-section {
  padding: 4rem 0;
  background: var(--bg-primary);
}

/* Dark mode contact enhancements */
[data-theme="dark"] .contact-section {
  background: linear-gradient(135deg, 
    rgba(15, 23, 42, 0.95) 0%, 
    rgba(30, 41, 59, 0.9) 50%,
    rgba(15, 23, 42, 0.95) 100%);
  position: relative;
}

[data-theme="dark"] .contact-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 25% 25%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
              radial-gradient(circle at 75% 75%, rgba(139, 92, 246, 0.06) 0%, transparent 50%);
  pointer-events: none;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info .section-header {
  text-align: left;
  margin-bottom: 2rem;
}

.contact-description {
  font-size: 1.125rem;
  line-height: 1.7;
  margin-bottom: 2rem;
}

[data-theme="dark"] .contact-description {
  color: rgba(226, 232, 240, 0.9);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.contact-methods {
  margin-bottom: 2rem;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-color);
}

[data-theme="dark"] .contact-method {
  border-bottom: 1px solid rgba(148, 163, 184, 0.1);
  padding: 1.25rem 0;
}

.contact-method:last-child {
  border-bottom: none;
}

.method-icon {
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

[data-theme="dark"] .method-icon {
  background: linear-gradient(135deg, #60a5fa, #a78bfa);
  box-shadow: 0 8px 20px rgba(96, 165, 250, 0.3), 
              0 0 15px rgba(167, 139, 250, 0.2);
  border: 2px solid rgba(255, 255, 255, 0.1);
}

.method-info {
  display: flex;
  flex-direction: column;
}

.method-label {
  font-size: 0.875rem;
  color: var(--text-light);
  font-weight: 500;
}

.method-value {
  font-weight: 600;
  color: var(--text-primary);
}

[data-theme="dark"] .method-value {
  color: rgba(226, 232, 240, 0.95);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.response-time {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.response-time i {
  color: var(--accent-color);
}

.contact-form-container {
  background: white;
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

[data-theme="dark"] .contact-form-container {
  background: linear-gradient(135deg, 
    rgba(51, 65, 85, 0.9) 0%, 
    rgba(71, 85, 105, 0.8) 100%);
  border: 1px solid rgba(148, 163, 184, 0.1);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3), 
              0 0 20px rgba(96, 165, 250, 0.05);
  backdrop-filter: blur(10px);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.875rem;
}

[data-theme="dark"] .form-group label {
  color: rgba(226, 232, 240, 0.9);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.75rem;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group select,
[data-theme="dark"] .form-group textarea {
  background: rgba(30, 41, 59, 0.6);
  border: 2px solid rgba(148, 163, 184, 0.2);
  color: rgba(226, 232, 240, 0.9);
  backdrop-filter: blur(5px);
}

[data-theme="dark"] .form-group input::placeholder,
[data-theme="dark"] .form-group textarea::placeholder {
  color: rgba(148, 163, 184, 0.7);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

[data-theme="dark"] .form-group input:focus,
[data-theme="dark"] .form-group select:focus,
[data-theme="dark"] .form-group textarea:focus {
  border-color: #60a5fa;
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.1);
}

.char-count {
  font-size: 0.75rem;
  color: var(--text-light);
  text-align: right;
}

.btn-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  border: none;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-normal);
}

[data-theme="dark"] .btn-submit {
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
  border: 1px solid rgba(96, 165, 250, 0.2);
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

[data-theme="dark"] .btn-submit:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 30px rgba(59, 130, 246, 0.4), 
              0 0 20px rgba(167, 139, 250, 0.3);
  border-color: rgba(96, 165, 250, 0.5);
}

.form-message {
  padding: 1rem;
  border-radius: var(--border-radius);
  text-align: center;
  font-weight: 500;
  display: none;
}

.form-message.success {
  background: #d1fae5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.form-message.error {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fca5a5;
}

/* Project Cards */
.project-card {
  background: white;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  opacity: 0;
  transform: translateY(20px);
}

.project-card.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.card-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.card-image:hover .card-overlay {
  opacity: 1;
}

.card-image:hover img {
  transform: scale(1.1);
}

.card-actions {
  display: flex;
  gap: 1rem;
}

.card-action {
  width: 40px;
  height: 40px;
  background: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: all var(--transition-fast);
}

.card-action:hover {
  background: var(--primary-dark);
  transform: scale(1.1);
}

.card-content {
  padding: 1.5rem;
}

.card-title {
  font-size: 1.25rem;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.card-description {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.5;
}

.card-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.tech-tag, .tech-badge {
  background: var(--bg-secondary);
  color: var(--text-primary);
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.75rem;
  font-weight: 500;
}

.tech-badge {
  background: var(--primary-color);
  color: white;
}

.card-btn {
  width: 100%;
  padding: 0.75rem;
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  border-radius: var(--border-radius);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.card-btn:hover {
  background: var(--primary-color);
  color: white;
}

/* Animations */
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.skill-category.animate-in {
  animation: slideInUp 0.6s ease-out forwards;
}

.about-highlights .highlight-item {
  opacity: 0;
  transform: translateX(-20px);
  transition: all var(--transition-normal);
}

.about-highlights.animate-in .highlight-item {
  opacity: 1;
  transform: translateX(0);
}

.about-highlights.animate-in .highlight-item:nth-child(1) { transition-delay: 0.1s; }
.about-highlights.animate-in .highlight-item:nth-child(2) { transition-delay: 0.2s; }
.about-highlights.animate-in .highlight-item:nth-child(3) { transition-delay: 0.3s; }
.about-highlights.animate-in .highlight-item:nth-child(4) { transition-delay: 0.4s; }

/* Header scroll effect */
header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-sm);
}

[data-theme="dark"] header.scrolled {
  background: rgba(17, 24, 39, 0.98);
}

/* Error message */
.error-message {
  text-align: center;
  padding: 3rem;
  color: var(--text-secondary);
  grid-column: 1 / -1;
}

.error-message i {
  font-size: 3rem;
  color: var(--secondary-color);
  margin-bottom: 1rem;
}

/* Mobile Responsive Sections */
@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }
  
  .section-header {
    margin-bottom: 2rem;
  }
  
  .section-title {
    font-size: clamp(1.5rem, 5vw, 2.5rem);
  }
  
  .section-description {
    font-size: 1rem;
  }

  .featured-project,
  .about-content,
  .contact-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .featured-project {
    margin-bottom: 2rem;
  }
  
  .featured-project .project-image {
    height: 250px;
  }
  
  .about-highlights {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .skills-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .skill-category {
    padding: 1.5rem;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .card-container {
    min-height: auto;
    margin-bottom: 1.5rem;
  }
  
  .work-card-image {
    height: 200px;
  }
  
  .work-card-body {
    padding: 1.25rem;
  }
  
  .work-card-body h1 {
    font-size: 1.2rem;
  }
  
  .work-card-body .work-description {
    font-size: 0.85rem;
    -webkit-line-clamp: 3;
    line-clamp: 3;
  }
  
  .tech-scroll-container {
    padding-bottom: 8px;
  }
  
  .btn-tech-stacks {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
  }
  
  .work-card-footer {
    padding: 1.25rem;
  }
  
  .work-card-footer .footer-btn {
    padding: 0.8rem 1.25rem;
    font-size: 0.85rem;
  }
  
  .hero-stats,
  .experience-card {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .contact-form {
    gap: 1rem;
  }
  
  .form-group input,
  .form-group select,
  .form-group textarea {
    font-size: 16px; /* Prevents zoom on iOS */
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 0.75rem;
  }
  
  .portfolio-section,
  .about-section,
  .contact-section {
    padding: 2rem 0;
  }
  
  .skills-section {
    padding: 2rem 0;
  }
  
  .section-header {
    margin-bottom: 1.5rem;
  }
  
  .featured-project .project-image {
    height: 200px;
  }
  
  .featured-content {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 1.5rem;
  }
  
  .featured-info h3 {
    font-size: 1.5rem;
  }
  
  .featured-info p {
    font-size: 1rem;
  }
  
  .featured-links {
    flex-direction: column;
    gap: 0.75rem;
  }
  
  .featured-link {
    justify-content: center;
    padding: 0.75rem 1.5rem;
  }
  
  .project-content {
    padding: 1rem;
  }
  
  .skill-category {
    padding: 1rem;
  }
  
  .card-container {
    margin-bottom: 1rem;
  }
  
  .work-card-image {
    height: 180px;
  }
  
  .work-card-body {
    padding: 1rem;
  }
  
  .work-card-body h1 {
    font-size: 1.1rem;
  }
  
  .work-card-body .work-description {
    font-size: 0.8rem;
  }
  
  .btn-tech-stacks {
    padding: 0.4rem 0.8rem;
    font-size: 0.7rem;
  }
  
  .work-card-footer {
    padding: 1rem;
  }
  
  .work-card-footer .footer-btn {
    padding: 0.75rem 1rem;
    font-size: 0.8rem;
  }
  
  .contact-form-container {
    padding: 1.5rem;
  }
}