/* ===== PORTFOLIO - se apoya en styles.css (tokens globales) ===== */

/* Page hero para páginas dedicadas como portafolio.html y casos */
.page-hero {
  padding: 7rem 0 3rem;               /* Deja espacio por navbar fija */
  background: var(--gradient-dark);
  border-bottom: 1px solid var(--glass-border);
}
.page-hero .hero-title {
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  text-align: center;
  margin-bottom: 0.75rem;
}
.page-hero .hero-subtitle {
  text-align: center;
  color: var(--text-secondary);
  max-width: 780px;
  margin: 0 auto;
}
.highlight {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Marca activo en navbar (opcional) */
.nav-menu a.active {
  color: var(--accent-blue);
}
.nav-menu a.active::after {
  width: 100%;
}

/* Sección Portafolio */
.portfolio {
  padding: 4.5rem 0 5rem;
  background: var(--secondary-dark);
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  max-width: 760px;
  margin: 0.25rem auto 2.5rem;
}

/* Filtros */
.portfolio-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin: 0 0 2rem;
}
.filter-button {
  padding: 10px 16px;
  color: var(--text-secondary);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  cursor: pointer;
  transition: var(--transition);
  font-weight: 600;
  backdrop-filter: blur(14px);
}
.filter-button:hover {
  color: #fff;
  border-color: var(--accent-blue);
  box-shadow: var(--shadow-glow);
}
.filter-button.active {
  color: #fff;
  background: var(--gradient-primary);
  border-color: transparent;
}

/* Grid de tarjetas */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: calc(var(--border-radius) + 4px);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  transition: var(--transition);
  box-shadow: 0 0 0 rgba(0,0,0,0);
}
.portfolio-item:hover,
.portfolio-item:focus-within {
  transform: translateY(-6px);
  box-shadow: var(--shadow-soft);
  border-color: var(--accent-blue);
}

.portfolio-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: #0b0e17;
}
.portfolio-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}
.portfolio-item:hover .portfolio-thumb img {
  transform: scale(1.06);
}

/* Overlay */
.portfolio-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 10px;
  padding: 18px;
  background: linear-gradient(180deg, rgba(10, 12, 20, 0) 0%, rgba(10, 12, 20, 0.65) 55%, rgba(10, 12, 20, 0.9) 100%);
  opacity: 0;
  transition: var(--transition);
}
.portfolio-item:hover .portfolio-overlay,
.portfolio-item:focus-within .portfolio-overlay {
  opacity: 1;
}

.portfolio-overlay h3 {
  font-size: 1.15rem;
  line-height: 1.25;
  margin: 0;
  letter-spacing: 0.2px;
}
.portfolio-overlay p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 6px;
}

/* Tags */
.tag {
  display: inline-block;
  padding: 6px 10px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.3px;
  background: rgba(74, 144, 226, 0.18);
  color: #cfe5ff;
  border: 1px solid rgba(74, 144, 226, 0.35);
  border-radius: 999px;
  margin-right: 6px;
  backdrop-filter: blur(10px);
}

/* Acciones */
.portfolio-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.portfolio-actions .btn-primary,
.portfolio-actions .btn-secondary {
  flex: 1;
  min-width: 120px;
}

/* CTA inline */
.cta-inline {
  margin-top: 2.5rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 1.25rem;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.cta-inline h4 {
  font-size: 1.1rem;
  font-weight: 700;
}
@media (max-width: 640px) {
  .cta-inline { flex-direction: column; align-items: stretch; }
  .cta-inline .btn-primary { width: 100%; }
}

/* Paginación */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 2rem;
}
.pagination .page {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  color: var(--text-secondary);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  text-decoration: none;
  transition: var(--transition);
}
.pagination .page:hover {
  color: #fff;
  border-color: var(--accent-blue);
  box-shadow: var(--shadow-glow);
}
.pagination .page.active {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
}

/* Animación de entrada (apoyado por animations.css si lo cargas) */
.animate-in { animation: fadeInUp 0.7s ease-out both; }

/* Responsive */
@media (max-width: 1024px) {
  .portfolio { padding: 4rem 0 4.5rem; }
}
@media (max-width: 768px) {
  .portfolio-grid { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; }
  .portfolio-overlay { padding: 14px; }
  .portfolio-overlay h3 { font-size: 1.05rem; }
}
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .filter-button { padding: 9px 14px; font-size: 0.95rem; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .portfolio-thumb { aspect-ratio: 16/10; }
}

/* ===== DETALLE DE PROYECTO (reutiliza tu plantilla de caso) ===== */
.project-hero {
  padding: 7rem 0 2.25rem;
  background: var(--gradient-dark);
  border-bottom: 1px solid var(--glass-border);
}
.breadcrumb {
  display: flex; gap: 8px; align-items: center;
  color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 0.75rem;
}
.breadcrumb a { color: var(--text-secondary); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent-blue); }

.project-hero .hero-title {
  font-size: clamp(2.1rem, 5vw, 3rem);
  margin-bottom: 0.25rem;
}
.project-hero .hero-subtitle {
  color: var(--text-secondary);
  max-width: 820px;
  margin-bottom: 1.25rem;
}

.project-meta {
  display: grid; gap: 0.75rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin: 1rem 0 1.5rem;
}
.meta-item {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: 0.9rem 1rem;
}
.meta-label { display: block; color: var(--text-muted); font-size: 0.85rem; margin-bottom: 4px; }
.meta-value { font-weight: 600; }

.project-hero-media {
  position: relative; overflow: hidden; border-radius: calc(var(--border-radius) + 4px);
  border: 1px solid var(--glass-border);
  background: #0b0e17;
}
.project-hero-media img { width: 100%; display: block; object-fit: cover; }

.kpi-cards {
  display: grid; gap: 1rem; margin-top: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}
.kpi-card {
  text-align: center; padding: 1.25rem;
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
}
.kpi-number { font-size: 2rem; font-weight: 800; color: var(--accent-blue); line-height: 1; margin-bottom: 6px; }
.kpi-label { color: var(--text-secondary); font-weight: 600; }

.project-content { background: var(--secondary-dark); }

.project-section { padding: 3.25rem 0; }
.project-section.alt {
  background: rgba(255,255,255,0.03);
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
}
.section-grid {
  display: grid; gap: 2rem; align-items: start;
  grid-template-columns: 1.2fr 1fr;
}
.text-muted { color: var(--text-secondary); }

.feature-list { display: grid; gap: 1rem; }
.feature-item {
  display: grid; grid-template-columns: 36px 1fr; gap: 0.75rem;
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  border-radius: var(--border-radius); padding: 0.9rem;
}
.feature-item i {
  width: 36px; height: 36px; display: flex; align-items: center; justify-content: center;
  background: var(--gradient-primary); border-radius: 50%;
}
.bulleted { margin-top: 1rem; padding-left: 1rem; }
.bulleted li { margin: 0.4rem 0; color: var(--text-secondary); }

.illustration-card {
  overflow: hidden; border-radius: calc(var(--border-radius) + 4px);
  border: 1px solid var(--glass-border); background: #0b0e17;
}
.illustration-card img { width: 100%; height: 100%; object-fit: cover; display: block; }

.impact-grid {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.impact-item {
  display: grid; grid-template-columns: 42px 1fr; gap: 0.75rem;
  padding: 1rem; background: var(--glass-bg);
  border: 1px solid var(--glass-border); border-radius: var(--border-radius);
}
.impact-item i {
  width: 42px; height: 42px; display: flex; align-items: center; justify-content: center;
  background: var(--gradient-primary); border-radius: 50%;
}

/* Timeline */
.timeline { list-style: none; margin: 1rem 0 0; padding-left: 0; position: relative; }
.timeline-step { position: relative; padding-left: 28px; margin: 1rem 0; }
.timeline-step .step-dot {
  position: absolute; left: 0; top: 6px; width: 12px; height: 12px; border-radius: 50%;
  background: var(--accent-blue); box-shadow: var(--shadow-glow);
}
.timeline-step .step-content h4 { margin-bottom: 4px; }

/* Galería + lightbox */
.gallery-grid {
  display: grid; gap: 0.75rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.gallery-item {
  display: block; overflow: hidden; border-radius: calc(var(--border-radius) + 4px);
  border: 1px solid var(--glass-border); background: #0b0e17;
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; display: block; }
.gallery-item:hover img { transform: scale(1.05); }

/* Lightbox */
.lightbox-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.85);
  display: none; align-items: center; justify-content: center; z-index: 10000;
  backdrop-filter: blur(6px);
}
.lightbox-overlay.show { display: flex; }
.lightbox-content { position: relative; max-width: min(1000px, 92vw); max-height: 90vh; }
.lightbox-content img { width: 100%; height: auto; display: block; border-radius: 10px; }
.lightbox-close {
  position: absolute; top: -12px; right: -12px; width: 36px; height: 36px;
  border-radius: 50%; border: none; cursor: pointer; font-size: 1.4rem; line-height: 1;
  background: var(--glass-bg); color: #fff; border: 1px solid var(--glass-border);
}

/* Testimonial */
.testimonial {
  margin: 0 auto 1.5rem; max-width: 820px;
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  border-radius: var(--border-radius); padding: 1.5rem;
}
.testimonial p { font-size: 1.05rem; }
.testimonial footer {
  display: grid; grid-template-columns: 44px 1fr; gap: 0.75rem; align-items: center; margin-top: 0.75rem;
}
.testimonial footer img {
  width: 44px; height: 44px; border-radius: 50%; object-fit: cover;
}
.testimonial footer span { display: block; color: var(--text-secondary); font-size: 0.95rem; }

/* Responsive */
@media (max-width: 992px) { .section-grid { grid-template-columns: 1fr; } }
@media (max-width: 640px) { .project-meta { grid-template-columns: 1fr; } .kpi-cards { grid-template-columns: 1fr 1fr; } }
@media (max-width: 420px) { .kpi-cards { grid-template-columns: 1fr; } }