/* ========================================
   PORTFOLIO
   Las tarjetas muestran la métrica del resultado, no una captura:
   el número es la prueba y evita 4 imágenes que competían con el LCP.
   ======================================== */

.portfolio {
  padding: var(--sp-20) var(--sp-6);
  max-width: var(--container);
  margin: 0 auto;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--sp-6);
}

.portfolio-card {
  position: relative;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid rgba(148, 52, 212, 0.25);
  background: rgba(56, 19, 124, 0.15);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--sp-2);
  padding: var(--sp-6);
  min-height: 180px;
  justify-content: center;
  transition: transform var(--dur-base) var(--ease-standard),
              box-shadow var(--dur-base) ease,
              border-color var(--dur-base) ease;
}

@media (hover: hover) {
  .portfolio-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 24px rgba(148, 52, 212, 0.3);
    border-color: var(--primary-accent);
  }
}

/* Slot de mockup 3D por caso: fondo degradé de fallback si la imagen
   todavía no existe o falla (js/sections/portfolio.js agrega
   .img-slot--broken cuando el <img> dispara `error`). */
.portfolio-media {
  display: block;
  width: 100%;
  max-width: 160px;
  aspect-ratio: 10 / 7;
  border-radius: var(--r-sm);
  background: linear-gradient(135deg, var(--surface-2), var(--teal-18));
}

.portfolio-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.portfolio-media.img-slot--broken img {
  display: none;
}

/* Rótulo "caso ilustrativo": deja explícito que la métrica es de ejemplo,
   no un resultado auditado de un cliente real. */
.portfolio-sample {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.04em;
  color: var(--text-faint);
  margin: 0;
}

/* Detalle que se revela en hover/focus (o siempre visible en touch, ver
   media query pointer:coarse más abajo). */
.portfolio-detail {
  font-size: var(--fs-sm);
  line-height: 1.45;
  color: var(--text-subtle);
  margin: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height var(--dur-base) var(--ease-standard),
              opacity var(--dur-base) ease;
}

@media (hover: hover) {
  .portfolio-card:hover .portfolio-detail,
  .portfolio-card:focus-within .portfolio-detail {
    max-height: 120px;
    opacity: 1;
  }
}

@media (hover: none) {
  .portfolio-detail {
    max-height: 120px;
    opacity: 1;
  }
}

.portfolio-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin: 0;
}

.portfolio-metric {
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: clamp(2.25rem, 4.5vw, 3rem);
  line-height: 1;
  letter-spacing: var(--ls-tight);
  color: var(--cyan);
  margin: 0;
  font-variant-numeric: tabular-nums;
}

.portfolio-unit {
  font-size: 0.55em;
  margin-left: 0.08em;
  color: var(--teal);
}

.portfolio-label {
  font-family: var(--font-secondary);
  font-size: var(--fs-base);
  font-weight: 500;
  line-height: var(--lh-body);
  color: var(--text-muted);
  margin: 0;
}

@media (min-width: 1025px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: var(--sp-3);
  }
}

@media (prefers-reduced-motion: reduce) {
  .portfolio-card:hover {
    transform: none;
  }
}