/* Projects Page Specific Styles */

/* Particles Background */
.particles-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(102, 126, 234, 0.3);
  border-radius: 50%;
  animation: float-particle 15s linear infinite;
}

@keyframes float-particle {
  0% {
    transform: translateY(100vh) translateX(0) scale(0);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(-100vh) translateX(100px) scale(1);
    opacity: 0;
  }
}

/* Projects Page Main */
.projects-page {
  position: relative;
  z-index: 1;
  padding-top: 80px;
}

/* Hero Section */
.projects-hero {
  padding: 6rem 0 4rem;
  text-align: center;
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

.gradient-text {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradient-flow 4s ease infinite;
  background-size: 200% 200%;
}

@keyframes gradient-flow {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 3rem;
}

/* Stats Row */
.stats-row {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
  margin-top: 3rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Filter Section */
.filter-section {
  padding: 2rem 0;
  position: sticky;
  top: 80px;
  background: var(--bg-dark);
  z-index: 10;
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
}

.filter-section .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.filter-bar {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  flex: 1;
}

.filter-btn {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 0.75rem 1.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
}

.filter-btn:hover {
  border-color: rgba(102, 126, 234, 0.5);
  transform: translateY(-2px);
  background: rgba(102, 126, 234, 0.1);
}

.filter-btn.active {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-color: transparent;
  color: white;
  box-shadow: 0 8px 24px rgba(102, 126, 234, 0.3);
  transform: translateY(-2px);
}

.filter-icon {
  font-size: 1.2rem;
}

/* Search Bar */
.search-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 0.75rem 1.25rem;
  min-width: 250px;
  transition: all 0.3s ease;
}

.search-bar:focus-within {
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.search-bar svg {
  color: var(--text-secondary);
  flex-shrink: 0;
}

.search-bar input {
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 0.95rem;
  width: 100%;
  outline: none;
}

.search-bar input::placeholder {
  color: var(--text-secondary);
}

/* Projects Grid */
.projects-grid-section {
  padding: 3rem 0 5rem;
}

.projects-grid {
  display: grid;
  gap: 2.5rem;
}

/* Project Card */
.project-card {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: 2rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 2rem;
  backdrop-filter: blur(20px);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0;
  transform: translateY(30px);
  animation: slideInUp 0.6s ease forwards;
}

@keyframes slideInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.project-card:nth-child(1) { animation-delay: 0.1s; }
.project-card:nth-child(2) { animation-delay: 0.2s; }
.project-card:nth-child(3) { animation-delay: 0.3s; }
.project-card:nth-child(4) { animation-delay: 0.4s; }
.project-card:nth-child(5) { animation-delay: 0.5s; }

.project-card:hover {
  transform: translateY(-8px);
  border-color: rgba(102, 126, 234, 0.5);
  box-shadow: 0 24px 60px rgba(102, 126, 234, 0.15);
}

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

/* Project Preview */
.project-preview {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 16/10;
  background: var(--bg-dark-2);
}

.project-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card:hover .project-preview img {
  transform: scale(1.08);
}

.preview-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.8) 100%);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  transition: opacity 0.4s ease;
}

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

.quick-view-btn {
  background: white;
  color: var(--bg-dark);
  border: none;
  border-radius: 12px;
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
  transform: translateY(10px);
}

.project-card:hover .quick-view-btn {
  transform: translateY(0);
}

.quick-view-btn:hover {
  background: #667eea;
  color: white;
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(255,255,255,0.2);
}

/* Project Info */
.project-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: center;
}

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

.tag {
  background: rgba(102, 126, 234, 0.15);
  border: 1px solid rgba(102, 126, 234, 0.3);
  color: #a5b4fc;
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.project-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0.5rem 0;
  color: var(--text-primary);
  line-height: 1.3;
}

.project-description {
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 1rem;
}

.project-meta {
  display: flex;
  gap: 1.5rem;
  margin-top: 0.5rem;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.meta-item svg {
  color: #667eea;
}

/* Project Links */
.project-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.project-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 12px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 0.95rem;
}

.project-link.primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.project-link.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(102, 126, 234, 0.4);
}

.project-link.secondary {
  background: var(--accent);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
}

.project-link.secondary:hover {
  border-color: #667eea;
  background: rgba(102, 126, 234, 0.1);
  transform: translateY(-2px);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 6rem 2rem;
  opacity: 0;
  animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
  to { opacity: 1; }
}

.empty-state svg {
  color: var(--text-secondary);
  opacity: 0.3;
  margin-bottom: 2rem;
}

.empty-state h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.empty-state p {
  color: var(--text-secondary);
}

/* CTA Section */
.cta-section {
  padding: 5rem 0;
}

.cta-card {
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
  border: 1px solid rgba(102, 126, 234, 0.3);
  border-radius: 32px;
  padding: 4rem 3rem;
  text-align: center;
  backdrop-filter: blur(20px);
}

.cta-card h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.cta-card p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-btn {
  padding: 1rem 2.5rem;
  border-radius: 14px;
  font-weight: 600;
  font-size: 1.05rem;
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.cta-btn.primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.cta-btn.primary:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(102, 126, 234, 0.4);
}

.cta-btn.secondary {
  background: var(--accent);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
}

.cta-btn.secondary:hover {
  border-color: #667eea;
  background: rgba(102, 126, 234, 0.1);
  transform: translateY(-4px);
}

/* Quick View Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(10px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-content {
  background: var(--bg-dark-2);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: scale(0.9) translateY(20px);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-overlay.active .modal-content {
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--accent);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  z-index: 10;
}

.modal-close:hover {
  background: rgba(239, 68, 68, 0.2);
  border-color: rgba(239, 68, 68, 0.5);
  transform: rotate(90deg);
}

.modal-body {
  padding: 3rem;
}

/* Fade In Animation */
.fade-in {
  animation: fadeInUp 0.8s ease forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Design */
@media (max-width: 1200px) {
  .project-card {
    grid-template-columns: 350px 1fr;
  }
}

@media (max-width: 968px) {
  .project-card {
    grid-template-columns: 1fr;
  }

  .project-preview {
    aspect-ratio: 16/9;
  }

  .filter-section .container {
    flex-direction: column;
    align-items: stretch;
  }

  .search-bar {
    min-width: 100%;
  }

  .stats-row {
    gap: 2rem;
  }

  .stat-number {
    font-size: 2.5rem;
  }

  .cta-card {
    padding: 3rem 2rem;
  }

  .cta-card h2 {
    font-size: 2rem;
  }
}

@media (max-width: 640px) {
  .filter-bar {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 0.5rem;
  }

  .filter-btn {
    font-size: 0.85rem;
    padding: 0.6rem 1.2rem;
  }

  .project-card {
    padding: 1.5rem;
  }

  .project-title {
    font-size: 1.4rem;
  }

  .project-links {
    flex-direction: column;
  }

  .stats-row {
    flex-direction: column;
    gap: 1.5rem;
  }

  .modal-body {
    padding: 2rem 1.5rem;
  }
}

/* Active Nav Link */
.dropdown-content a.active {
  background: rgba(102, 126, 234, 0.1);
  color: #667eea;
}

.mobile-link.active {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}