/* =============================================
   SEÇÃO PROJETOS - PROJECTS SECTION
   ============================================= */

.projects {
  background: var(--white);
  position: relative;
}

.projects-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.projects-filter {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-2xl);
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  border: 2px solid var(--gray-light);
  background: var(--white);
  color: var(--gray-medium);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-normal);
  font-weight: 600;
  font-size: var(--fs-sm);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--primary-color);
  color: var(--white);
  border-color: var(--primary-color);
  transform: translateY(-2px);
}

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

.project-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  position: relative;
  height: fit-content;
}

.project-card:hover {
  transform: translateY(-12px);
  box-shadow: var(--shadow-xl);
}

.project-image {
  position: relative;
  overflow: hidden;
  height: 250px;
  background: var(--gradient-primary);
}

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

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

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  opacity: 0;
  transition: all var(--transition-normal);
}

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

.project-overlay .btn {
  transform: translateY(20px);
  transition: all var(--transition-normal);
}

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

.project-featured {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: var(--gradient-secondary);
  color: var(--white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  z-index: 3;
}

.project-content {
  padding: var(--spacing-xl);
}

.project-category {
  color: var(--primary-color);
  font-size: var(--fs-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-sm);
}

.project-title {
  font-size: var(--fs-2xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--dark-color);
  line-height: 1.3;
}

.project-description {
  color: var(--gray-dark);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-lg);
}

.tech-tag {
  background: var(--light-color);
  color: var(--gray-dark);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: var(--fs-xs);
  font-weight: 600;
  border: 1px solid var(--gray-light);
}

.project-stats {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--light-color);
  border-radius: var(--radius-md);
}

.stat-item {
  text-align: center;
  flex: 1;
}

.stat-number {
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--primary-color);
  display: block;
}

.stat-label {
  font-size: var(--fs-xs);
  color: var(--gray-medium);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.project-links {
  display: flex;
  gap: var(--spacing-sm);
}

.project-links .btn {
  flex: 1;
  justify-content: center;
  font-size: var(--fs-sm);
  padding: var(--spacing-sm) var(--spacing-md);
}

/* Projeto em Destaque */
.featured-project {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-bottom: var(--spacing-xl);
  min-height: 500px;
}

.featured-project .project-image {
  height: 100%;
}

.featured-project .project-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--spacing-2xl);
}

.featured-project .project-title {
  font-size: var(--fs-3xl);
}

.featured-project .project-description {
  font-size: var(--fs-lg);
}

/* Seção de Tecnologias */
.tech-showcase {
  background: var(--light-color);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  margin: var(--spacing-3xl) 0;
}

.tech-showcase h3 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  color: var(--dark-color);
}

.tech-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
}

.tech-category {
  text-align: center;
}

.tech-category h4 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
  font-size: var(--fs-lg);
}

.tech-icons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.tech-icon {
  width: 60px;
  height: 60px;
  background: var(--white);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-2xl);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
  position: relative;
  cursor: pointer;
}

.tech-icon:hover {
  transform: translateY(-8px) scale(1.1);
  box-shadow: var(--shadow-lg);
}

.tech-icon::after {
  content: attr(data-name);
  position: absolute;
  bottom: -35px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--dark-color);
  color: var(--white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: var(--fs-xs);
  white-space: nowrap;
  opacity: 0;
  transition: all var(--transition-normal);
  pointer-events: none;
}

.tech-icon:hover::after {
  opacity: 1;
  bottom: -40px;
}

/* Call to Action */
.projects-cta {
  text-align: center;
  background: var(--gradient-primary);
  color: var(--white);
  padding: var(--spacing-3xl);
  border-radius: var(--radius-xl);
  margin-top: var(--spacing-3xl);
}

.projects-cta h3 {
  font-size: var(--fs-3xl);
  margin-bottom: var(--spacing-md);
}

.projects-cta p {
  font-size: var(--fs-lg);
  margin-bottom: var(--spacing-xl);
  opacity: 0.9;
}

/* Responsividade */
@media (max-width: 768px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .featured-project {
    grid-template-columns: 1fr;
  }
  
  .featured-project .project-image {
    height: 300px;
  }
  
  .projects-filter {
    gap: var(--spacing-sm);
  }
  
  .filter-btn {
    font-size: var(--fs-xs);
    padding: var(--spacing-xs) var(--spacing-md);
  }
  
  .tech-categories {
    grid-template-columns: 1fr;
  }
  
  .project-stats {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .project-links {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .project-card {
    margin: 0 -var(--spacing-md);
  }
  
  .tech-icons {
    gap: var(--spacing-sm);
  }
  
  .tech-icon {
    width: 50px;
    height: 50px;
    font-size: var(--fs-lg);
  }
  
  .projects-cta {
    margin: var(--spacing-xl) -var(--spacing-md) 0;
    border-radius: 0;
  }
}