/* ==========================================================================
   PORTAFOLIO POR CATEGORÍA CON GALERÍA MULTI-FOTO INTERNA DENTRO DE CADA PROYECTO
   ========================================================================== */

.section-portfolio-premium {
  background-color: #F8FAFC;
  padding: 4.5rem 0 5rem;
  position: relative;
  border-top: 1px solid #E2E8F0;
  border-bottom: 1px solid #E2E8F0;
}

/* Header Sobrio */
.portfolio-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 2.5rem;
}

.portfolio-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.portfolio-tag .tag-line {
  width: 24px;
  height: 2px;
  background-color: var(--accent-gold);
}

.portfolio-tag .tag-text {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 800;
  color: #B38628;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.portfolio-main-title {
  font-size: clamp(2rem, 3.2vw, 2.6rem);
  font-weight: 800;
  color: #091A36;
  line-height: 1.2;
  margin-bottom: 0.65rem;
}

.portfolio-main-subtitle {
  font-size: 1.025rem;
  color: #475569;
  line-height: 1.6;
  margin: 0;
}

/* Navegación de Pestañas de Categoría */
.portfolio-tabs-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 2.75rem;
}

.portfolio-tab-btn {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  color: #475569;
  background: #FFFFFF;
  border: 1.5px solid #CBD5E1;
  padding: 0.7rem 1.4rem;
  border-radius: 30px;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
  transition: all 0.25s ease;
}

.portfolio-tab-btn:hover {
  background: #F1F5F9;
  color: #091A36;
  border-color: #091A36;
  transform: translateY(-2px);
}

.portfolio-tab-btn.active {
  background: #091A36;
  color: #FFFFFF;
  border-color: #091A36;
  box-shadow: 0 6px 18px rgba(9, 26, 54, 0.25);
}

/* Vistas por Categoría (Se muestra 1 categoría a la vez) */
.portfolio-category-view {
  display: none;
  width: 100%;
}

.portfolio-category-view.active {
  display: block;
}

/* Tarjeta Única del Proyecto por Servicio */
.portfolio-single-project-card {
  display: grid;
  grid-template-columns: 50% 50%;
  gap: 3.5rem;
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 24px;
  padding: 3rem 3.25rem;
  align-items: center;
  box-shadow: 0 16px 42px rgba(9, 26, 54, 0.08);
  width: 100%;
  box-sizing: border-box;
}

/* Columna Izquierda: Galería de Fotos del Mismo Proyecto */
.project-gallery-col {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.project-gallery-frame {
  position: relative;
  width: 100%;
  height: 420px;
  border-radius: 18px;
  overflow: hidden;
  background: #091A36;
  border: 1px solid #CBD5E1;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12);
}

.gallery-track {
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform 0.45s cubic-bezier(0.25, 1, 0.5, 1);
}

.gallery-slide {
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
}

/* Restablecido a object-fit: cover sin márgenes internos */
.gallery-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

/* Ajustes de encuadre específico para fotos verticales de impermeabilización */
.gallery-photo.focus-top {
  object-position: center 15%;
}

.gallery-photo.focus-high {
  object-position: center 25%;
}

/* Flechas Internas del Marco Fotográfico */
.gallery-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(9, 26, 54, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #E2B857;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.25s ease;
  z-index: 5;
}

.gallery-arrow.prev {
  left: 0.85rem;
}

.gallery-arrow.next {
  right: 0.85rem;
}

.gallery-arrow:hover {
  background: #E2B857;
  color: #091A36;
  border-color: #E2B857;
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

.gallery-arrow:active {
  transform: translateY(-50%) scale(1);
}

/* Indicador Badge de Foto dentro del Marco */
.gallery-counter-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 800;
  color: #091A36;
  background: #FADB7F;
  padding: 0.35rem 0.85rem;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
  z-index: 5;
}

/* Puntos de Navegación debajo del Marco Fotográfico */
.gallery-dots-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.g-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #CBD5E1;
  cursor: pointer;
  transition: all 0.3s ease;
}

.g-dot.active {
  width: 26px;
  border-radius: 10px;
  background: #091A36;
}

/* Columna Derecha: Información del Proyecto */
.project-details-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 100%;
  min-width: 0;
}

.project-category-tag {
  font-family: var(--font-heading);
  font-size: 0.78125rem;
  font-weight: 800;
  color: #B38628;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.project-title {
  font-size: clamp(1.6rem, 2.4vw, 2.2rem);
  font-weight: 800;
  color: #091A36;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.project-desc {
  font-size: 1.025rem;
  color: #475569;
  line-height: 1.65;
  margin-bottom: 1.75rem;
}

/* Cuadrícula de Especificaciones */
.project-specs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem 1.25rem;
  margin-bottom: 2rem;
  width: 100%;
}

.spec-box {
  background: #F1F5F9;
  border: 1px solid #E2E8F0;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.spec-label {
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 700;
  color: #64748B;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.spec-value {
  font-family: var(--font-heading);
  font-size: 0.925rem;
  font-weight: 800;
  color: #091A36;
}

.project-action-box {
  width: 100%;
}

.project-action-box .btn {
  width: 100%;
  padding: 1.05rem 2rem;
  font-size: 1rem;
  justify-content: center;
}

/* Responsive */
@media (max-width: 992px) {
  .portfolio-single-project-card {
    grid-template-columns: 1fr;
    gap: 2.25rem;
    padding: 2.25rem 1.75rem;
  }

  .project-gallery-frame {
    height: 320px;
  }

  .project-specs-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  .portfolio-single-project-card {
    padding: 1.75rem 1.25rem;
  }

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