/* 
 * =======================
 * GRAFITECK - PORTAFOLIO PROTAGONISTA
 * =======================
 * Estilos para el portafolio con grid ampliado y protagonismo visual
 * Versión: 2.0
 * Fecha: Junio 2025
 */

/* Portafolio Container */
.portfolio {
  position: relative;
  padding: 100px 0;
  background-color: var(--dark-gray);
}

.dark-mode .portfolio {
  background-color: var(--darker-blue);
  color: var(--white);
}

.portfolio-container {
  width: 95%;
  max-width: 2000px;
  margin: 0 auto;
}

/* Sección Header */
.portfolio .section-header {
  text-align: center;
  margin-bottom: 60px;
}

.portfolio .section-title {
  font-size: 3rem;
  font-weight: 500;
  margin-bottom: 15px;
  position: relative;
  display: inline-block;
  color: var(--light-gray);
}

.portfolio .section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: var(--yellow);
}

.portfolio .section-subtitle {
  font-size: 1.2rem;
  font-weight: 400;
  max-width: 700px;
  margin: 0 auto;
  color: var(--light-gray);
}

/* Filtros de Portafolio */
.portfolio-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.portfolio-filter {
  padding: 10px 25px;
  margin: 0 5px 10px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--light-gray);
  background: none;
  border: 2px solid transparent;
  border-radius: 30px;
  cursor: pointer;
  transition: all var(--transition-speed);
}

.dark-mode .portfolio-filter {
  color: var(--light-gray);
}

.portfolio-filter:hover {
  color: var(--yellow);
  border-color: var(--yellow);
}

.dark-mode .portfolio-filter:hover {
  color: var(--yellow);
}

.portfolio-filter.active {
  color: var(--dark-blue);
  background-color: var(--yellow);
  border-color: var(--yellow);
}

.dark-mode .portfolio-filter.active {
  color: var(--dark-blue);
}

/* Grid de Portafolio */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 50px;
}

/* Item de Portafolio */
.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: 0;
  height: 500px;
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.portfolio-item-inner {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.portfolio-image-container {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.portfolio-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}

.portfolio-item:hover .portfolio-image {
  transform: scale(1.05);
}

/* Overlay de Portafolio */
.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0) 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 30px;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

/* Contenido del Overlay */
.portfolio-content {
  transform: translateY(20px);
  transition: transform 0.5s ease;
}

.portfolio-item:hover .portfolio-content {
  transform: translateY(0);
}

.portfolio-category {
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--yellow);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.portfolio-title {
  font-family: var(--font-secondary);
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 10px;
}

.portfolio-description {
  font-size: 1rem;
  color: var(--light-gray);
  margin-bottom: 15px;
  max-width: 90%;
}

.portfolio-link {
  display: inline-block;
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  text-decoration: none;
  position: relative;
}

.portfolio-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--yellow);
  transition: width var(--transition-speed);
}

.portfolio-link:hover::after {
  width: 100%;
}

/* Destacados - Items más grandes */
.portfolio-item.featured {
  grid-column: span 2;
}

/* CTA de Portafolio */
.portfolio-cta {
  text-align: center;
  margin-top: 30px;
}

.portfolio-cta .btn {
  display: inline-block;
  padding: 15px 40px;
  background-color: var(--yellow-dark);
  color: var(--darker-blue);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border-radius: 50px;
  transition: all var(--transition-speed);
}

.dark-mode .portfolio-cta .btn {
  color: var(--white);
  border-color: var(--white);
}

.portfolio-cta .btn:hover {
  background-color: var(--dark-blue);
  border-color: var(--yellow);
  color: var(--yellow-dark);
}

/* Navegación de Portafolio */
.portfolio-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  background-color: var(--yellow);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: background-color var(--transition-speed);
}

.portfolio-nav:hover {
  background-color: var(--yellow-dark);
}

.portfolio-nav.prev {
  left: 20px;
}

.portfolio-nav.next {
  right: 20px;
}

.portfolio-nav i {
  color: var(--dark-blue);
  font-size: 1.2rem;
}

/* Responsive Styles */
@media (max-width: 1400px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .portfolio-item {
    height: 450px;
  }
  
  .portfolio-item.featured {
    grid-column: auto;
  }
}

@media (max-width: 992px) {
  .portfolio-item {
    height: 400px;
  }
  
  .portfolio-title {
    font-size: 1.5rem;
  }
}

@media (max-width: 768px) {
  .portfolio {
    padding: 70px 0;
  }
  
  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  
  .portfolio-item {
    height: 350px;
  }
  
  .portfolio .section-title {
    font-size: 2.5rem;
  }

  .portfolio .section-subtitle {
  font-size: 1rem;
  }
  
  .portfolio-filter {
    padding: 8px 20px;
    font-size: 0.9rem;
  }
  
  .portfolio-nav {
    width: 40px;
    height: 40px;
  }
}

@media (max-width: 576px) {
  .portfolio {
    padding: 50px 0;
  }
  
  .portfolio-item {
    height: 300px;
  }
  
  .portfolio-overlay {
    padding: 20px;
  }
  
  .portfolio-title {
    font-size: 1.3rem;
  }
  
  .portfolio-description {
    font-size: 0.9rem;
  }
}