/* Enhanced Projects Section Styles */

:root {
  --primary: #0c70f2;
  --primary-dark: #0a5dd1;
  --primary-light: #3b82f6;
  --dark-blue: #0a192f;
  --dark-blue-light: #112240;
  --slate-gray: #64748b;
  --slate-light: #94a3b8;
  --light-gray: #f1f5f9;
  --white: #ffffff;
  --shadow-light: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-medium: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  --shadow-large: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  --border-radius-sm: 8px;
  --border-radius-md: 12px;
  --border-radius-lg: 16px;
  --border-radius-xl: 20px;
}

/* Project Filter Buttons - Enhanced like tech-stack */
.project-filter-btn {
  padding: 14px 28px;
  border: none;
  border-radius: var(--border-radius-md);
  background: transparent;
  color: var(--slate-gray);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 0.95rem;
  position: relative;
  overflow: hidden;
  min-width: 140px;
}

.project-filter-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transition: left 0.5s;
}

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

.project-filter-btn.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.project-filter-btn:hover:not(.active) {
  background: white;
  transform: translateY(-1px);
  box-shadow: var(--shadow-light);
  color: var(--primary);
}

.project-filter-btn.loading {
  position: relative;
  overflow: hidden;
}

.project-filter-btn.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: loading-shimmer 1s infinite;
}

@keyframes loading-shimmer {
  to {
    left: 100%;
  }
}

/* Projects Grid - Enhanced like tech-stack */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
  position: relative;
  min-height: 500px;
  overflow: hidden;
}

/* Project Cards - Enhanced like tech-stack */
.project-card {
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-medium);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  position: relative;
  opacity: 1;
  transform: translateY(0);
  border: 2px solid transparent;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(12, 112, 242, 0.1), transparent);
  transition: left 0.6s;
}

.project-card:hover::before {
  left: 100%;
}

.project-card:hover {
  transform: translateY(-12px) scale(1.03);
  box-shadow: var(--shadow-large);
  border-color: var(--primary);
  background: linear-gradient(135deg, #ffffff 0%, #f0f9ff 100%);
}

.project-card:hover .project-title {
  color: var(--primary);
}

.project-card:hover .tech-tag {
  background: var(--primary);
  color: white;
  transform: translateY(-1px);
}

.project-card.hidden {
  display: none;
  opacity: 0;
  transform: translateY(20px);
}

.project-card.show {
  display: block;
  animation: projectCardShow 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

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

/* Floating Animation - Like tech-stack */
@keyframes gentleFloat {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-5px);
  }
}

.project-card:nth-child(6n+1) {
  animation: gentleFloat 8s ease-in-out infinite;
}

.project-card:nth-child(6n+2) {
  animation: gentleFloat 8s ease-in-out infinite 1.3s;
}

.project-card:nth-child(6n+3) {
  animation: gentleFloat 8s ease-in-out infinite 2.6s;
}

.project-card:nth-child(6n+4) {
  animation: gentleFloat 8s ease-in-out infinite 4s;
}

.project-card:nth-child(6n+5) {
  animation: gentleFloat 8s ease-in-out infinite 5.3s;
}

.project-card:nth-child(6n) {
  animation: gentleFloat 8s ease-in-out infinite 6.6s;
}

/* Project Image */
.project-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(12, 112, 242, 0.8), rgba(10, 25, 47, 0.8));
  opacity: 0;
  transition: opacity 0.3s ease;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 1rem;
}

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

.project-category {
  background: rgba(255, 255, 255, 0.9);
  color: var(--dark-blue);
  padding: 6px 12px;
  border-radius: var(--border-radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Project Content */
.project-content {
  padding: 1.5rem;
}

.project-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--dark-blue);
  margin-bottom: 0.75rem;
  transition: color 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.project-title::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--primary-dark));
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 1px;
}

.project-card:hover .project-title {
  color: var(--primary);
}

.project-card:hover .project-title::after {
  width: 100%;
}

.project-description {
  color: var(--slate-gray);
  line-height: 1.6;
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

/* Read More Functionality */
.project-summary {
  display: block;
}

.project-full-description {
  display: block;
}

.project-full-description.hidden {
  display: none;
}

.project-summary.hidden {
  display: none;
}

.read-more-btn {
  background: none;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: underline;
  padding: 0;
  margin-top: 0.5rem;
}

.read-more-btn:hover {
  text-decoration: none;
  transform: translateX(2px);
}

/* Project Tech Tags - Enhanced like tech-stack */
.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.tech-tag {
  background: var(--light-gray);
  color: var(--dark-blue);
  padding: 6px 12px;
  border-radius: var(--border-radius-sm);
  font-size: 0.8rem;
  font-weight: 500;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.tech-tag::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;
}

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

.tech-tag:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-light);
}

/* Project Links */
.project-links {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.project-link {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

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

.project-link::after {
  content: '→';
  transition: transform 0.3s ease;
}

.project-link:hover::after {
  transform: translateX(2px);
}

/* Show More Button */
#showMoreBtn {
  transition: all 0.3s ease;
}

#showMoreBtn:hover {
  transform: translateY(-2px);
}

#showMoreBtn.showing-less svg {
  transform: rotate(180deg);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .projects-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
  }
}

@media (max-width: 768px) {
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .project-content {
    padding: 1.25rem;
  }
  
  .project-title {
    font-size: 1.1rem;
  }
  
  .project-description {
    font-size: 0.9rem;
  }
  
  .project-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}

@media (max-width: 480px) {
  .project-image {
    height: 180px;
  }
  
  .project-content {
    padding: 1rem;
  }
  
  .project-tech {
    gap: 0.25rem;
  }
  
  .tech-tag {
    font-size: 0.75rem;
    padding: 3px 8px;
  }
  
  .project-description {
    font-size: 0.85rem;
  }
  
  .read-more-btn {
    font-size: 0.8rem;
  }
}

/* Mobile menu styles moved to mobile-menu.css */

/* Filter Animation - Smooth like tech-stack */
.project-card {
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 1;
  transform: translateY(0) scale(1);
}

.project-card.filtered-out {
  opacity: 0;
  transform: translateY(-10px) scale(0.95);
  pointer-events: none;
}

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

/* Smooth grid transitions */
.projects-grid {
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Loading States */
.project-card.loading {
  opacity: 0.7;
  pointer-events: none;
}

.project-card.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  border: 2px solid var(--primary);
  border-top: 2px solid transparent;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  transform: translate(-50%, -50%);
}

@keyframes spin {
  0% { transform: translate(-50%, -50%) rotate(0deg); }
  100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Accessibility */
.project-card:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 4px;
}

.project-filter-btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Project Detail Modal Styles */
.project-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.project-modal.hidden {
  display: none;
}

.project-modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
}

.project-modal-content {
  position: relative;
  background: white;
  border-radius: var(--border-radius-xl);
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-large);
  animation: modalSlideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.project-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--light-gray);
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  border-radius: var(--border-radius-xl) var(--border-radius-xl) 0 0;
}

.project-modal-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
}

.project-modal-close {
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--border-radius-sm);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-modal-close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.1);
}

.project-modal-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  padding: 2rem;
}

.project-modal-image {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-medium);
}

.project-modal-image img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.project-modal-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.project-modal-info h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--dark-blue);
  margin-bottom: 0.5rem;
  border-bottom: 2px solid var(--primary);
  padding-bottom: 0.25rem;
}

.project-modal-info p {
  color: var(--slate-gray);
  line-height: 1.6;
  margin: 0;
}

.project-modal-features ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.project-modal-features li {
  padding: 0.5rem 0;
  color: var(--slate-gray);
  position: relative;
  padding-left: 1.5rem;
}

.project-modal-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: bold;
}

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

.project-modal-tech-tags .tech-tag {
  background: var(--primary);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
}

.project-modal-footer {
  padding: 1.5rem 2rem;
  border-top: 1px solid var(--light-gray);
  background: var(--light-gray);
  border-radius: 0 0 var(--border-radius-xl) var(--border-radius-xl);
}

.project-modal-links {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.project-modal-link {
  display: flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
  background: var(--primary);
  color: white;
  text-decoration: none;
  border-radius: var(--border-radius-md);
  font-weight: 600;
  transition: all 0.3s ease;
}

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

/* Mobile Responsive Modal */
@media (max-width: 768px) {
  .project-modal-content {
    max-width: 95%;
    max-height: 95vh;
  }
  
  .project-modal-body {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 1rem;
  }
  
  .project-modal-header {
    padding: 1rem 1.5rem;
  }
  
  .project-modal-title {
    font-size: 1.25rem;
  }
  
  .project-modal-footer {
    padding: 1rem 1.5rem;
  }
  
  .project-modal-links {
    flex-direction: column;
  }
  
  .project-modal-image img {
    height: 200px;
  }
}

/* Project Detail Button Styles */
.project-detail-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
  color: inherit;
  text-decoration: inherit;
  padding: 0;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.project-detail-btn:hover {
  color: var(--primary-dark);
  transform: translateX(2px);
}

.project-detail-btn::after {
  content: '→';
  transition: transform 0.3s ease;
}

.project-detail-btn:hover::after {
  transform: translateX(2px);
}

/* Print Styles */
@media print {
  .project-card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ddd;
  }
  
  .project-overlay {
    display: none;
  }
  
  .project-links {
    display: none;
  }
  
  .project-modal {
    display: none !important;
  }
}