:root {
  /* Colores específicos para portfolio */
  --portfolio-card-bg: var(--color-surface);
  --portfolio-card-border: rgba(255, 255, 255, 0.05);
  --portfolio-badge-bg: var(--color-accent);
  --portfolio-badge-text: var(--color-contrast);
  --portfolio-date-color: rgba(255, 255, 255, 0.6);

  /* Espaciado específico */
  --portfolio-card-padding: 30px;
  --portfolio-card-gap: 20px;

  /* Efectos y transiciones - Optimizados para evitar saltos */
  --portfolio-hover-transform: translateY(-8px);
  --portfolio-transition: transform 0.3s ease-out, box-shadow 0.3s ease-out,
    border-color 0.3s ease-out;
}

/*--------------------------------------------------------------
# Estilos Generales para Página de Portfolio
--------------------------------------------------------------*/
.inner-page {
  background-color: var(--color-background);
}

.inner-page .main {
  padding-top: 80px;
}

/*--------------------------------------------------------------
# Portfolio Hero Section
--------------------------------------------------------------*/
.portfolio-hero {
  position: relative;
  min-height: 50vh;
  width: 100%;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 120px 0 80px;
}

.portfolio-hero::after {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

.portfolio-hero .container {
  position: relative;
  z-index: 2;
}

.portfolio-hero .agency-name {
  margin-bottom: 1.5rem;
}

.portfolio-hero .agency-name h5 {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--color-contrast);
  margin: 0;
  opacity: 0;
  animation: fadeIn 0.8s ease-out forwards;
}

.portfolio-hero .main-heading {
  margin-bottom: 2rem;
}

.portfolio-hero .main-heading h2 {
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1px;
  margin: 0;
  opacity: 0;
  animation: fadeIn 0.8s ease-out 0.2s forwards;
  background: linear-gradient(
    to right,
    var(--color-heading),
    var(--color-accent)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.portfolio-hero .divider {
  width: 60%;
  height: 2px;
  background: linear-gradient(
    to right,
    transparent,
    var(--color-accent),
    transparent
  );
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeIn 0.8s ease-out 0.4s forwards;
}

.portfolio-hero .description {
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeIn 0.8s ease-out 0.6s forwards;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.portfolio-hero .description p {
  font-size: 1.2rem;
  line-height: 1.7;
  color: color-mix(in srgb, var(--color-text), transparent 20%);
  margin: 0;
}

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

@media (max-width: 767.98px) {
  .portfolio-hero {
    padding: 100px 0 60px;
    min-height: 40vh;
  }

  .portfolio-hero .main-heading h2 {
    font-size: clamp(2rem, 6vw, 3.5rem);
  }

  .portfolio-hero .divider {
    width: 80%;
  }

  .portfolio-hero .description p {
    font-size: 1rem;
  }
}

/*--------------------------------------------------------------
# Portfolio Filters - Animaciones Optimizadas
--------------------------------------------------------------*/
.portfolio-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 15px;
  padding: 0;
  margin: 0 0 40px;
  list-style: none;
}

.portfolio-filters li {
  font-size: 15px;
  font-weight: 500;
  padding: 12px 25px;
  cursor: pointer;
  background: var(--color-surface);
  color: var(--color-text);
  border-radius: 30px;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease-out;
  border: 1px solid var(--portfolio-card-border);
  box-shadow: var(--shadow-sm);
  will-change: transform, background-color, box-shadow;
}

.portfolio-filters li i {
  font-size: 1.1em;
  transition: transform 0.3s ease-out;
}

.portfolio-filters li:hover {
  color: var(--color-accent);
  transform: translateY(-3px);
  background: color-mix(in srgb, var(--color-accent), transparent 92%);
  box-shadow: var(--shadow-md);
}

.portfolio-filters li:hover i {
  transform: scale(1.1);
}

.portfolio-filters li.filter-active {
  background: var(--color-accent);
  color: var(--color-contrast);
  box-shadow: 0 4px 10px
    color-mix(in srgb, var(--color-accent), transparent 70%);
}

@media (max-width: 767.98px) {
  .portfolio-filters {
    gap: 10px;
    margin-bottom: 30px;
  }

  .portfolio-filters li {
    padding: 8px 20px;
    font-size: 14px;
  }
}

/*--------------------------------------------------------------
# Portfolio Detail Cards - Animaciones Controladas
--------------------------------------------------------------*/
.portfolio-detail-card {
  background-color: var(--portfolio-card-bg);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  height: 100%;
  transition: var(--portfolio-transition);
  border: 1px solid var(--portfolio-card-border);
  position: relative;
  will-change: transform, box-shadow, border-color;
  transform: translateZ(0); /* Fuerza aceleración por hardware */
}

.portfolio-detail-card:hover {
  transform: var(--portfolio-hover-transform);
  box-shadow: var(--shadow-lg);
  border-color: color-mix(in srgb, var(--color-accent), transparent 70%);
}

.portfolio-detail-card .card-header {
  padding: var(--portfolio-card-padding);
  border-bottom: 1px solid var(--portfolio-card-border);
  position: relative;
}

.portfolio-detail-card .card-header::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 50px;
  height: 3px;
  background-color: var(--color-accent);
  transition: width 0.3s ease-out;
}

.portfolio-detail-card:hover .card-header::after {
  width: 100px;
}

.portfolio-detail-card .project-category {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 15px;
}

.portfolio-detail-card .project-category .badge {
  background-color: var(--portfolio-badge-bg);
  color: var(--portfolio-badge-text);
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: transform 0.3s ease-out, box-shadow 0.3s ease-out;
}

.portfolio-detail-card:hover .project-category .badge {
  transform: scale(1.05);
  box-shadow: 0 2px 5px color-mix(in srgb, var(--color-accent), transparent 70%);
}

.portfolio-detail-card .project-category .date {
  color: var(--portfolio-date-color);
  font-size: 14px;
  font-weight: 500;
  margin-left: auto;
}

.portfolio-detail-card .project-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
  color: var(--color-heading);
  line-height: 1.3;
  transition: color 0.3s ease-out;
}

.portfolio-detail-card:hover .project-title {
  color: var(--color-accent);
}

.portfolio-detail-card .card-body {
  padding: var(--portfolio-card-padding);
}

.portfolio-detail-card .project-image {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s ease-out;
}

.portfolio-detail-card .project-image::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 70%, rgba(0, 0, 0, 0.5));
  opacity: 0;
  transition: opacity 0.3s ease-out;
  z-index: 1;
}

.portfolio-detail-card:hover .project-image::before {
  opacity: 1;
}

.portfolio-detail-card .project-image img {
  width: 100%;
  height: auto;
  transition: transform 0.5s ease-out;
  will-change: transform;
  transform: translateZ(0); /* Fuerza aceleración por hardware */
}

.portfolio-detail-card:hover .project-image img {
  transform: scale(1.05);
}

.portfolio-detail-card .project-description {
  padding-left: var(--portfolio-card-gap);
}

.portfolio-detail-card .project-description p {
  font-size: 1rem;
  line-height: 1.6;
  color: color-mix(in srgb, var(--color-text), transparent 20%);
  margin-bottom: 20px;
}

.portfolio-detail-card .project-description h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--color-heading);
}

.portfolio-detail-card .features-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.portfolio-detail-card .features-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
  transition: transform 0.3s ease-out;
}

.portfolio-detail-card .features-list li:hover {
  transform: translateX(5px);
}

.portfolio-detail-card .features-list li i {
  color: var(--color-accent);
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 3px;
}

.portfolio-detail-card .features-list li span {
  font-size: 0.95rem;
  color: color-mix(in srgb, var(--color-text), transparent 10%);
}

@media (max-width: 991.98px) {
  .portfolio-detail-card .card-header,
  .portfolio-detail-card .card-body {
    padding: 20px;
  }

  .portfolio-detail-card .project-title {
    font-size: 1.3rem;
  }

  .portfolio-detail-card .project-description {
    padding-left: 0;
    margin-top: 20px;
  }
}

@media (max-width: 767.98px) {
  .portfolio-detail-card .card-header,
  .portfolio-detail-card .card-body {
    padding: 15px;
  }

  .portfolio-detail-card .project-title {
    font-size: 1.2rem;
  }

  .portfolio-detail-card .project-category .badge {
    padding: 4px 10px;
    font-size: 11px;
  }

  .portfolio-detail-card .project-category .date {
    font-size: 12px;
  }

  .portfolio-detail-card .project-description p {
    font-size: 0.95rem;
  }

  .portfolio-detail-card .features-list li span {
    font-size: 0.9rem;
  }
}

/*--------------------------------------------------------------
# Isotope Layout Adjustments - Optimizado para rendimiento
--------------------------------------------------------------*/
.isotope-container {
  margin-left: -15px;
  margin-right: -15px;
}

.portfolio-item {
  padding: 15px;
  margin-bottom: 30px;
  opacity: 0;
  transform: translateY(
    20px
  ); /* Reducido de 30px a 20px para un movimiento más sutil */
  transition: opacity 0.4s ease-out, transform 0.4s ease-out; /* Reducido de 0.6s a 0.4s para mayor rapidez */
}

.portfolio-item.show {
  opacity: 1;
  transform: translateY(0);
}

/* Secuencia de carga escalonada - Acelerada */
.portfolio-item:nth-child(1) {
  transition-delay: 0.05s; /* Reducido de 0.1s a 0.05s */
}
.portfolio-item:nth-child(2) {
  transition-delay: 0.08s; /* Reducido de 0.15s a 0.08s */
}
.portfolio-item:nth-child(3) {
  transition-delay: 0.11s; /* Reducido de 0.2s a 0.11s */
}
.portfolio-item:nth-child(4) {
  transition-delay: 0.14s; /* Reducido de 0.25s a 0.14s */
}
.portfolio-item:nth-child(5) {
  transition-delay: 0.17s; /* Reducido de 0.3s a 0.17s */
}
.portfolio-item:nth-child(6) {
  transition-delay: 0.2s; /* Reducido de 0.35s a 0.20s */
}
.portfolio-item:nth-child(7) {
  transition-delay: 0.23s; /* Reducido de 0.4s a 0.23s */
}
.portfolio-item:nth-child(8) {
  transition-delay: 0.26s; /* Reducido de 0.45s a 0.26s */
}
.portfolio-item:nth-child(9) {
  transition-delay: 0.29s; /* Reducido de 0.5s a 0.29s */
}
.portfolio-item:nth-child(10) {
  transition-delay: 0.32s; /* Reducido de 0.55s a 0.32s */
}
.portfolio-item:nth-child(11) {
  transition-delay: 0.35s; /* Reducido de 0.6s a 0.35s */
}
.portfolio-item:nth-child(12) {
  transition-delay: 0.38s; /* Reducido de 0.65s a 0.38s */
}
.portfolio-item:nth-child(13) {
  transition-delay: 0.41s; /* Reducido de 0.7s a 0.41s */
}
.portfolio-item:nth-child(14) {
  transition-delay: 0.44s; /* Reducido de 0.75s a 0.44s */
}

/*--------------------------------------------------------------
# Efectos de Hover Simplificados - Sin saltos
--------------------------------------------------------------*/
.portfolio-detail-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(
    to right,
    var(--color-accent),
    color-mix(in srgb, var(--color-accent), transparent 50%)
  );
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease-out;
  z-index: 1;
}

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

/*--------------------------------------------------------------
# Efectos de Accesibilidad
--------------------------------------------------------------*/
.portfolio-detail-card:focus-within {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
}

/* Mejoras de accesibilidad para navegación por teclado */
.portfolio-filters li:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/*--------------------------------------------------------------
# Modo Impresión
--------------------------------------------------------------*/
@media print {
  .portfolio-hero {
    padding: 20px 0;
    min-height: auto;
  }

  .portfolio-filters {
    display: none;
  }

  .portfolio-detail-card {
    box-shadow: none;
    border: 1px solid #ddd;
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .portfolio-detail-card .project-image img {
    max-width: 100% !important;
  }

  .portfolio-item {
    width: 100% !important;
    page-break-inside: avoid;
  }
}