/* Estilos de tarjetas de casos para proyectos.html.
   Copia del bloque "Casos de estudio" de style.css: si cambiás uno, cambiá el otro. */

.casos { background: var(--bg); }

.casos-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: end;
  margin-bottom: 3rem;
}

.casos-titulo {
  font-family: var(--display);
  font-size: clamp(3rem, 6vw, 6rem);
  line-height: 0.95;
  color: var(--text);
}
.casos-titulo span { color: var(--orange); display: block; }

.casos-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 420px;
}

.casos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
}

.caso-card {
  background: var(--surface);
  overflow: hidden;
  position: relative;
  cursor: none;
  display: flex;
  flex-direction: column;
}

/* Caso destacado: ancho completo, sitio en vivo a la izquierda */
.caso-card--destacado {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1.6fr 1fr;
}

.caso-card--destacado .caso-thumb {
  max-height: none;
}

.caso-card--destacado .caso-thumb iframe {
  height: 100%;
  min-height: 460px;
}

.caso-card--destacado .caso-nombre {
  font-size: 22px;
}

.caso-bloque {
  font-size: 12px;
  line-height: 1.55;
  color: var(--text-muted);
  margin-bottom: 1.1rem;
}

.caso-bloque-label {
  display: block;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 0.35rem;
}

.caso-antes-ahora {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0.3rem 0.75rem;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.04em;
}

.caso-antes-ahora span:nth-child(3n+1) {
  color: var(--text-dim);
  text-decoration: line-through;
  text-decoration-color: rgba(255, 77, 0, 0.5);
}

.caso-antes-ahora span:nth-child(3n) {
  color: var(--text);
}

.caso-antes-ahora b {
  color: var(--orange);
  font-weight: 400;
}

@media (max-width: 900px) {
  .caso-card--destacado {
    display: flex;
  }
  .caso-card--destacado .caso-thumb iframe {
    height: 480px;
    min-height: 0;
  }
}

.caso-thumb {
  width: 100%;
  max-height: 320px;
  overflow: hidden;
  background: var(--surface2);
  position: relative;
}

.caso-thumb img,
.caso-thumb video {
  width: 100%;
  height: auto;
  display: block;
  filter: grayscale(100%);
  transition: transform 0.6s ease, filter 0.4s ease, opacity 0.5s ease;
}

.caso-thumb iframe {
  width: 100%;
  height: 480px;
  display: block;
  border: 0;
  pointer-events: none;
  filter: grayscale(100%);
  transition: filter 0.4s ease;
}

.caso-card:hover .caso-thumb img,
.caso-card:hover .caso-thumb video {
  transform: scale(1.04);
  filter: grayscale(0%);
}

.caso-card:hover .caso-thumb iframe {
  filter: grayscale(0%);
}

.img--shift-up {
  margin-top: -40px;
}

.caso-thumb--loading {
  flex: 1;
  max-height: none;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.thumb-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 2rem;
}

.thumb-loading-label {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.thumb-loading-bar {
  width: 120px;
  height: 1px;
  background: rgba(255,255,255,0.06);
  position: relative;
  overflow: hidden;
}

.thumb-loading-progress {
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: var(--orange);
  animation: loadingPulse 2.4s ease-in-out infinite;
}

@keyframes loadingPulse {
  0%   { left: -100%; }
  50%  { left: 0%; }
  100% { left: 100%; }
}

.caso-industry {
  position: absolute;
  top: 1rem;
  left: 1rem;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--orange);
  padding: 0.3rem 0.7rem;
  z-index: 1;
}

.caso-info {
  padding: 1.5rem;
}

.caso-num {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
}

.caso-nombre {
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 1rem;
}

.caso-ecosistema {
  list-style: none;
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.caso-ecosistema li {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  padding-left: 1.2rem;
  position: relative;
  line-height: 1.5;
}

.caso-ecosistema li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--orange);
}

.caso-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.caso-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-top: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s, border-color 0.2s;
}

.caso-link:hover {
  color: var(--orange);
  border-color: rgba(255,77,0,0.3);
}

.caso-link-arrow {
  font-size: 14px;
  transition: transform 0.2s;
}

.caso-link:hover .caso-link-arrow {
  transform: translate(3px, -3px);
}

.tag {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 0.25rem 0.6rem;
  transition: border-color 0.2s, color 0.2s;
}

.caso-card:hover .tag {
  border-color: rgba(255,77,0,0.3);
  color: var(--orange);
}

/* Placeholder thumbnails */
.thumb-placeholder {
  width: 100%;
  height: 100%;
  background: var(--surface2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}


/* Página proyectos: grilla debajo del header de galeria.css */
.proyectos-grid { margin-top: 1rem; }

@media (max-width: 900px) {
  .casos-grid { grid-template-columns: 1fr; }
  .caso-thumb { max-height: 240px; }
}

.proyectos-grid .caso-card {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.proyectos-grid .caso-card.visible {
  opacity: 1;
  transform: none;
}