/* Project Section Styles */
.projects {
  background-color: var(--background);
  padding: 80px 0;
  position: relative;
}

.project-filters {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-bottom: 50px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 12px 25px;
  border: 2px solid var(--border);
  background-color: var(--card);
  color: var(--text);
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.filter-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 0.5s ease;
}

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

.filter-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(var(--primary-rgb), 0.2);
}

.filter-btn.active {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.3);
}

.filter-btn.active:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(var(--primary-rgb), 0.4);
}

/* Dark theme filter buttons */
body.dark-theme .filter-btn {
  background-color: var(--card);
  border-color: var(--border);
  color: var(--text);
}

body.dark-theme .filter-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 5px 15px rgba(var(--primary-rgb), 0.3);
}

body.dark-theme .filter-btn.active {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  border-color: var(--primary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

/* Enhanced Project Card Styles */
.project-card {
  background-color: var(--card);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 2px solid var(--border);
  transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  opacity: 1;
  transform: translateY(0);
  position: relative;
  cursor: pointer;
  display: block;
}

.project-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
  z-index: 2;
}

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

.project-card:hover {
  transform: translateY(-15px) scale(1.02);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
  border-color: var(--primary);
}

body.dark-theme .project-card:hover {
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
}

.project-image {
  position: relative;
  height: 200px;
  overflow: hidden;
  background-color: var(--background);
}

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

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

.project-info {
  padding: 25px;
  position: relative;
}

.project-info h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
  color: var(--text);
  font-weight: 700;
  transition: all 0.3s ease;
}

.project-card:hover .project-info h3 {
  color: var(--primary);
  transform: translateX(5px);
}

.project-info p {
  color: var(--accent);
  line-height: 1.6;
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.project-tech span {
  background-color: var(--background);
  color: var(--primary);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}

.project-card:hover .project-tech span {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(var(--primary-rgb), 0.2);
  border-color: var(--primary);
}

body.dark-theme .project-tech span {
  background-color: var(--background);
  border-color: var(--border);
}

.project-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.project-links .btn {
  flex: 1;
  min-width: 120px;
  text-align: center;
  font-size: 0.85rem;
  padding: 10px 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.3s ease;
}

.project-links .btn:hover {
  transform: translateY(-2px);
}

.project-links .btn i {
  font-size: 0.8rem;
}

/* Dark theme project cards */
body.dark-theme .project-card {
  background-color: var(--card);
  border: 2px solid var(--border);
  box-shadow: var(--shadow-dark);
}

body.dark-theme .project-card:hover {
  box-shadow: var(--shadow-dark-hover);
  border-color: var(--primary);
}

/* Empty projects message */
.empty-projects {
  text-align: center;
  padding: 60px 20px;
  color: var(--accent);
}

.empty-projects i {
  font-size: 4rem;
  margin-bottom: 20px;
  opacity: 0.5;
}

.empty-projects p {
  font-size: 1.2rem;
  margin: 0;
}

/* Animation for project cards */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.project-card {
  animation: fadeInUp 0.6s ease-out forwards;
}

/* Responsive Design */
@media (max-width: 992px) {
  .projects-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
  }

  .project-card:hover {
    transform: translateY(-10px) scale(1.01);
  }
}

@media (max-width: 768px) {
  .project-filters {
    gap: 10px;
  }

  .filter-btn {
    padding: 10px 20px;
    font-size: 0.9rem;
  }

  .projects-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .project-info {
    padding: 20px;
  }

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

  .project-links .btn {
    min-width: auto;
  }
}

@media (max-width: 576px) {
  .project-filters {
    justify-content: center;
  }

  .filter-btn {
    padding: 8px 16px;
    font-size: 0.85rem;
  }

  .project-info h3 {
    font-size: 1.2rem;
  }

  .project-image {
    height: 180px;
  }
}

/* Loading state for projects */
.projects-loading {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 200px;
  color: var(--accent);
}

.projects-loading i {
  font-size: 2rem;
  animation: spin 1s linear infinite;
}

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

/* Project card entrance animation */
.project-card.fade-in {
  animation: fadeInUp 0.6s ease-out forwards;
}

.project-card.fade-out {
  animation: fadeOutDown 0.3s ease-in forwards;
}

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