/* ── Hero image ── */
.proyecto-hero {
  width: 100%;
  height: 70vh;
  min-height: 420px;
  overflow: hidden;
  background: var(--fg);
}
.proyecto-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.92;
}

/* ── Project info ── */
.proyecto-meta {
  padding: clamp(2.5rem, 5vw, 4rem) clamp(1.5rem, 5vw, 4rem);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem 4rem;
  border-bottom: 1px solid var(--border);
}
.proyecto-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 300;
  letter-spacing: 0.01em;
  line-height: 1.1;
  grid-column: 1 / -1;
}
.proyecto-desc {
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--fg);
  max-width: 54ch;
}
.proyecto-specs {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  justify-content: flex-end;
}
.spec-row {
  display: flex;
  align-items: baseline;
  gap: 1rem;
}
.spec-label {
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  min-width: 100px;
}
.spec-value {
  font-size: 0.85rem;
  color: var(--fg);
}
.proyecto-note {
  grid-column: 1 / -1;
  margin-top: 0.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  font-style: italic;
  line-height: 1.7;
  color: var(--muted);
  max-width: 70ch;
}

/* ── Gallery ── */
.proyecto-gallery-section {
  padding: clamp(2.5rem, 5vw, 4rem) clamp(1.5rem, 5vw, 4rem) clamp(4rem, 8vw, 7rem);
}
.proyecto-gallery-label {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.5rem;
}
.proyecto-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--gap);
}
.proyecto-gallery img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  cursor: pointer;
  transition: opacity var(--t-fast);
}
.proyecto-gallery img:hover { opacity: 0.85; }
.proyecto-gallery img:first-child {
  grid-column: 1 / -1;
  aspect-ratio: 16/7;
}

/* ── Prev/Next navigation ── */
.proyecto-nav {
  padding: clamp(1.5rem, 3vw, 2.5rem) clamp(1.5rem, 5vw, 4rem);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.proyecto-nav-link {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  max-width: 45%;
}
.proyecto-nav-link.next { align-items: flex-end; text-align: right; }
.nav-direction {
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
.nav-name {
  font-family: var(--font-display);
  font-size: clamp(0.9rem, 2vw, 1.3rem);
  font-weight: 400;
  transition: color var(--t-fast);
}
.proyecto-nav-link:hover .nav-name { color: var(--accent); }

/* ── Back to proyectos ── */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  padding: clamp(1.5rem, 3vw, 2.5rem) clamp(1.5rem, 5vw, 4rem) 0;
  transition: color var(--t-fast);
}
.back-link:hover { color: var(--fg); }
.back-link::before { content: '←'; font-size: 0.85rem; }

@media (max-width: 768px) {
  .proyecto-meta { grid-template-columns: 1fr; }
  .proyecto-gallery { grid-template-columns: 1fr; }
  .proyecto-gallery img:first-child { grid-column: 1; aspect-ratio: 4/3; }
}