/* ==========================================================================
   PINACOTECA - RUTA AÉREA AUSTRAL
   CSS completo para el artículo #pinacoteca-ruta-austral
   Basado en option1.html (Museo Oscuro)
   ========================================================================== */

/* --- VARIABLES --- */
#pinacoteca-ruta-austral {
  --gold: #C9A84C;
  --gold-light: #E8C97A;
  --dark-bg: #0D0D0D;
  --panel: #161616;
  --panel2: #1E1A14;
  --text-muted: #8a7a5a;

  background-color: var(--dark-bg);
  color: #e8dfc8;
  font-family: 'Lato', 'Helvetica Neue', sans-serif;
  overflow-x: hidden;
  box-sizing: border-box;
}

#pinacoteca-ruta-austral *, 
#pinacoteca-ruta-austral *::before, 
#pinacoteca-ruta-austral *::after {
  box-sizing: border-box;
}

/* --- REVEAL ANIMATION --- */
#pinacoteca-ruta-austral .reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
#pinacoteca-ruta-austral .reveal.visible {
  opacity: 1;
  transform: none;
}

/* ── HERO ── */
#pinacoteca-ruta-austral .hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: radial-gradient(ellipse at 50% 40%, #2a1f0a 0%, #0D0D0D 70%);
}

#pinacoteca-ruta-austral .hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('https://images.unsplash.com/photo-1558618666-fcd25c85cd64?w=1800&q=80') center/cover no-repeat;
  opacity: 0.07;
}

#pinacoteca-ruta-austral .hero-badge {
  display: inline-block;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-size: 0.7rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  padding: 0.4rem 1.2rem;
  margin-bottom: 1.5rem;
}

#pinacoteca-ruta-austral .hero h1 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(2.2rem, 6vw, 5rem);
  line-height: 1.1;
  color: #f0e6cc;
  text-shadow: 0 4px 40px rgba(201,168,76,0.25);
  max-width: 900px;
  margin: 0 auto;
}

#pinacoteca-ruta-austral .hero h1 em {
  color: var(--gold);
  font-style: italic;
}

#pinacoteca-ruta-austral .hero p.subtitle {
  margin-top: 1.5rem;
  font-size: 1rem;
  color: #a09070;
  letter-spacing: 0.08em;
  max-width: 600px;
}

#pinacoteca-ruta-austral .hero-divider {
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  margin: 2rem auto;
}

/* ── INTRO CARDS ── */
#pinacoteca-ruta-austral .intro-section {
  background: var(--panel);
  border-top: 1px solid #2a2010;
  padding: 5rem 2rem;
}

#pinacoteca-ruta-austral .intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  max-width: 1100px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  #pinacoteca-ruta-austral .intro-grid { grid-template-columns: 1fr; }
}

#pinacoteca-ruta-austral .intro-card {
  border-left: 3px solid var(--gold);
  padding-left: 1.5rem;
}

#pinacoteca-ruta-austral .intro-card h2 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.5rem;
  color: var(--gold-light);
  margin-bottom: 1rem;
}

#pinacoteca-ruta-austral .intro-card p {
  font-size: 0.92rem;
  line-height: 1.85;
  color: #b0a080;
  text-shadow: none;
}

/* ── GALLERY SECTION ── */
#pinacoteca-ruta-austral .gallery-header {
  text-align: center;
  padding: 5rem 2rem 2rem;
}

#pinacoteca-ruta-austral .gallery-header h2 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(1.8rem, 4vw, 3rem);
  color: #f0e6cc;
}

#pinacoteca-ruta-austral .gallery-header .line {
  width: 60px;
  height: 1px;
  background: var(--gold);
  margin: 1.2rem auto;
}

#pinacoteca-ruta-austral .gallery-header p {
  color: var(--text-muted);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ── MASONRY GRID ── */
#pinacoteca-ruta-austral .masonry {
  columns: 3;
  column-gap: 1.5rem;
  max-width: 1300px;
  margin: 2rem auto 5rem;
  padding: 0 2rem;
}

@media (max-width: 1024px) {
  #pinacoteca-ruta-austral .masonry { columns: 2; }
}
@media (max-width: 600px) {
  #pinacoteca-ruta-austral .masonry { columns: 1; }
}

/* ── ARTWORK CARD ── */
#pinacoteca-ruta-austral .artwork-card {
  break-inside: avoid;
  margin-bottom: 1.5rem;
  position: relative;
  overflow: hidden;
  background: var(--panel2);
  border: 1px solid #2a2010;
  cursor: pointer;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

#pinacoteca-ruta-austral .artwork-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(201,168,76,0.18), 0 0 0 1px var(--gold);
}

#pinacoteca-ruta-austral .artwork-card img {
  width: 100%;
  display: block;
  transition: transform 0.6s ease;
  filter: sepia(10%) brightness(0.88);
}

#pinacoteca-ruta-austral .artwork-card:hover img {
  transform: scale(1.04);
  filter: sepia(0%) brightness(1);
}

/* Vignette overlay */
#pinacoteca-ruta-austral .artwork-card .vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 30%, transparent 40%, rgba(0,0,0,0.55) 100%);
  pointer-events: none;
}

/* Caption overlay */
#pinacoteca-ruta-austral .artwork-card .caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(10,8,3,0.97) 0%, transparent 100%);
  padding: 2.5rem 1.2rem 1.2rem;
  transform: translateY(60%);
  transition: transform 0.4s ease;
}

#pinacoteca-ruta-austral .artwork-card:hover .caption {
  transform: translateY(0);
}

#pinacoteca-ruta-austral .caption .num {
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 0.3rem;
}

#pinacoteca-ruta-austral .caption h3 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.05rem;
  color: #f0e6cc;
  line-height: 1.3;
  margin-bottom: 0.5rem;
}

#pinacoteca-ruta-austral .caption .subtitle-tag {
  font-size: 0.72rem;
  color: var(--gold-light);
  font-style: italic;
  margin-bottom: 0.6rem;
}

#pinacoteca-ruta-austral .caption p {
  font-size: 0.78rem;
  line-height: 1.6;
  color: #9a8860;
  max-height: 80px;
  overflow: hidden;
  text-shadow: none;
}

/* Frame border effect */
#pinacoteca-ruta-austral .artwork-card::before,
#pinacoteca-ruta-austral .artwork-card::after {
  content: '';
  position: absolute;
  pointer-events: none;
  transition: opacity 0.4s;
  opacity: 0;
  z-index: 10;
}

#pinacoteca-ruta-austral .artwork-card::before {
  inset: 6px;
  border: 1px solid rgba(201,168,76,0.4);
}

#pinacoteca-ruta-austral .artwork-card::after {
  inset: 10px;
  border: 1px solid rgba(201,168,76,0.15);
}

#pinacoteca-ruta-austral .artwork-card:hover::before,
#pinacoteca-ruta-austral .artwork-card:hover::after {
  opacity: 1;
}

/* ── LIGHTBOX ── */
#pinacoteca-ruta-austral #lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.95);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 2rem;
}

#pinacoteca-ruta-austral #lightbox.active {
  display: flex;
}

#pinacoteca-ruta-austral #lightbox img {
  max-height: 65vh;
  max-width: 90vw;
  object-fit: contain;
  border: 1px solid #2a2010;
  box-shadow: 0 0 80px rgba(201,168,76,0.2);
}

#pinacoteca-ruta-austral #lightbox .lb-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.4rem;
  color: var(--gold-light);
  margin-top: 1.5rem;
  text-align: center;
}

#pinacoteca-ruta-austral #lightbox .lb-sub {
  font-size: 0.85rem;
  color: var(--gold);
  font-style: italic;
  margin-top: 0.3rem;
  text-align: center;
}

#pinacoteca-ruta-austral #lightbox .lb-desc {
  max-width: 700px;
  font-size: 0.82rem;
  color: #9a8860;
  line-height: 1.7;
  margin-top: 0.8rem;
  text-align: center;
}

#pinacoteca-ruta-austral #lightbox .lb-close {
  position: fixed;
  top: 1.5rem; right: 2rem;
  font-size: 2rem;
  color: var(--gold);
  cursor: pointer;
  background: none;
  border: none;
  line-height: 1;
}

#pinacoteca-ruta-austral #lightbox .lb-nav {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

#pinacoteca-ruta-austral #lightbox .lb-nav button {
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--gold);
  padding: 0.4rem 1.2rem;
  cursor: pointer;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  transition: background 0.2s;
}

#pinacoteca-ruta-austral #lightbox .lb-nav button:hover {
  background: rgba(201,168,76,0.15);
}

/* ── FOOTER INTERNO (dentro del artículo) ── */
#pinacoteca-ruta-austral footer {
  background: #0a0a0a;
  border-top: 1px solid #1a1505;
  text-align: center;
  padding: 3rem 2rem;
}

#pinacoteca-ruta-austral footer p {
  font-size: 0.75rem;
  color: #4a3f28;
  letter-spacing: 0.1em;
  text-shadow: none;
}

#pinacoteca-ruta-austral footer .gold-line {
  width: 40px;
  height: 1px;
  background: var(--gold);
  margin: 1rem auto;
}

#pinacoteca-ruta-austral footer .brand {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1rem;
  color: var(--gold);
  letter-spacing: 0.2em;
}