/* ============================================================
   PROYECTOS.CSS — Página de proyectos
   ============================================================ */

/* ---- Projects Grid ---- */
.proyectos-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 64px 32px 100px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px 32px;
}

.proyecto-card {
  overflow: hidden;
  cursor: pointer;
}

.proyecto-card .card-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--color-light-bg);
}

.proyecto-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.proyecto-card:hover .card-img img {
  transform: scale(1.06);
}

/* Overlay hover con link */
.card-img-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.card-img {
  position: relative;
  overflow: hidden;
}

.card-img-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26, 26, 26, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.proyecto-card:hover .card-img-overlay {
  opacity: 1;
}

.overlay-link-text {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: #ffffff;
  border-bottom: 1px solid rgba(255,255,255,0.6);
  padding-bottom: 3px;
}

/* Placeholder sin imagen */
.card-img-placeholder {
  width: 100%;
  height: 100%;
  background: var(--color-light-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-muted);
}

/* Empty state */
.proyectos-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 20px;
  color: var(--color-muted);
  font-size: 13px;
  font-weight: 300;
  letter-spacing: 0.05em;
}

.proyecto-card .card-body {
  padding: 20px 0 0;
}

.proyecto-card h2 {
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: 8px;
}

.proyecto-card .card-desc {
  font-size: 14px;
  font-weight: 300;
  line-height: 1.8;
  color: var(--color-muted);
  margin-bottom: 14px;
}

.proyecto-card .info-link {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  display: inline-block;
  position: relative;
}

.proyecto-card .info-link::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.proyecto-card:hover .info-link::after {
  width: 100%;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .proyectos-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .proyectos-grid {
    grid-template-columns: 1fr;
    padding: 40px 20px 80px;
  }
}