/* ─── Proyecto individual ─── */

/* ─── Hero ─── */
.proyecto-hero {
  padding: calc(var(--header-height) + 4vw) 4vw 4vw 4vw;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 0.75rem;
}

.proyecto-nombre {
  font-family: var(--font-main);
  font-size: 2rem;
  font-weight: 500;
  font-style: normal;
  line-height: 1.2em;
  letter-spacing: 0em;
  text-transform: uppercase;
  color: #000000;
  margin: 0;
}

/* ─── Acordeón ─── */
.proyecto-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.proyecto-accordion-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0em;
  text-transform: uppercase;
  color: #000000;
  transition: color var(--transition);
}

.proyecto-accordion-btn:hover {
  color: #0006CF;
}

.proyecto-accordion-texto {
  position: relative;
}

.proyecto-accordion-texto::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: width 0.35s ease;
}

.proyecto-accordion-btn:hover .proyecto-accordion-texto::after {
  width: 100%;
}

.proyecto-accordion-chevron {
  transition: transform 0.35s ease;
  line-height: 0;
}

.proyecto-accordion-btn.open .proyecto-accordion-chevron {
  transform: rotate(180deg);
}

.proyecto-accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.proyecto-accordion-content.open {
  max-height: 8rem;
}

.proyecto-info {
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.4em;
  color: #000000;
  margin: 0.75rem 0 0;
}

.proyecto-info a {
  color: inherit;
  text-decoration: none;
  position: relative;
  transition: color var(--transition);
}

.proyecto-info a::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: width 0.35s ease;
}

.proyecto-info a:hover {
  color: #0006CF;
}

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

/* ─── Galería masonry ─── */
.proyecto-galeria {
  position: relative;
  box-sizing: border-box;
  padding: 0 4vw 0 4vw;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.galeria-item {
  position: absolute;
  box-sizing: border-box;
  cursor: pointer;
  overflow: hidden;
}

.galeria-placeholder {
  width: 100%;
  height: 100%;
  background: #D8D5CE;
  display: block;
}

.galeria-item img {
  display: block;
  width: 100%;
  height: auto;
  transition: transform 0.6s ease;
}

.galeria-item:hover img {
  transform: scale(1.06);
}

/* ─── Volver ─── */
.proyecto-volver {
  padding: 4vw;
  display: flex;
  align-items: center;
  justify-content: center;
}

.proyecto-volver-link {
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0em;
  text-transform: uppercase;
  color: #000000;
  text-decoration: none;
  position: relative;
}

.proyecto-volver-link span {
  position: relative;
}

.proyecto-volver-link span::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: width 0.35s ease;
}

.proyecto-volver-link:hover { color: #0006CF; }
.proyecto-volver-link:hover span::after { width: 100%; }

/* ─── Lightbox ─── */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
.lightbox.open {
  opacity: 1;
  pointer-events: all;
}

.lb-img {
  max-width: calc(100vw - 8rem);
  max-height: calc(100vh - 4rem);
  object-fit: contain;
  display: block;
  user-select: none;
}

.lb-close,
.lb-arrow {
  position: absolute;
  background: none;
  border: none;
  cursor: pointer;
  color: #fff;
  padding: 0.5rem;
  line-height: 0;
  opacity: 0.7;
  transition: opacity 0.15s ease, color 0.15s ease;
}
.lb-close:hover,
.lb-arrow:hover { opacity: 1; color: #0006CF; }

.lb-close {
  top: 1.5rem;
  right: 1.5rem;
}

.lb-prev {
  left: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
}

.lb-next {
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
}

/* ─── Responsive ─── */
@media (max-width: 767px) {
  .proyecto-nombre {
    font-size: 1.5rem;
  }

  .proyecto-galeria {
    padding: 0 2vw 2vw 2vw;
  }
}