/* =============================================
   MUSEO DEL PIRATA — main.css
   Paleta oscura con acento dorado
   ============================================= */

/* --- Tokens de diseño --- */
:root {
  /* Colores */
  --color-bg:           #07080d;   /* Negro océano profundo */
  --color-surface:      #0f1626;   /* Azul marino oscuro */
  --color-surface-2:    #162040;   /* Azul marino medio */
  --color-border:       #1e2f4d;   /* Borde sutil */
  --color-gold:         #c9a84c;   /* Oro doblón — acento principal */
  --color-gold-dim:     #8b6a1f;   /* Oro envejecido */
  --color-gold-glow:    rgba(201, 168, 76, 0.15);
  --color-red:          #7a1515;   /* Rojo sangre — acento secundario */
  --color-text:         #c8bfa8;   /* Pergamino envejecido */
  --color-text-bright:  #e8e2d0;   /* Pergamino claro — encabezados */
  --color-text-muted:   #7a7060;   /* Texto apagado */

  /* Tipografía */
  --font-display: 'Pirata One', cursive;
  --font-heading: 'Cinzel', serif;
  --font-body:    'Crimson Text', serif;

  /* Espaciado */
  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  2rem;
  --space-lg:  4rem;
  --space-xl:  8rem;

  /* Otros */
  --radius-sm: 4px;
  --ease:      0.3s ease;
}

/* --- Reset --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html { scroll-behavior: smooth; }
body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: 1.75;
}
img, video, iframe { max-width: 100%; display: block; }
a { color: var(--color-gold); text-decoration: none; }
ul { list-style: none; }
p { margin-bottom: 0; }

/* --- Contenedor --- */
.container {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--space-md);
}

/* --- Etiqueta de sección --- */
.section-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
  border-left: 2px solid var(--color-gold);
  padding-left: var(--space-xs);
  margin-bottom: var(--space-sm);
}

/* --- Título de sección --- */
.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  color: var(--color-text-bright);
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

/* --- Botones --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--ease), color var(--ease), border-color var(--ease), letter-spacing var(--ease);
}
.btn--primary {
  background: var(--color-gold);
  color: var(--color-bg);
  border-color: var(--color-gold);
}
.btn--primary:hover {
  background: transparent;
  color: var(--color-gold);
}
.btn--outline {
  background: transparent;
  color: var(--color-text-bright);
  border-color: rgba(232, 226, 208, 0.5);
}
.btn--outline:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}
.btn--ghost {
  background: transparent;
  color: var(--color-gold);
  border: none;
  padding-left: 0;
}
.btn--ghost:hover { letter-spacing: 0.2em; }

/* ============================================
   NAVEGACIÓN
   ============================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.5rem 0;
  transition: background var(--ease), padding var(--ease), border-color var(--ease);
}
.nav.scrolled {
  background: rgba(7, 8, 13, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--color-border);
}
.nav__container {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--color-gold);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  transition: text-shadow var(--ease);
}
.nav__logo:hover {
  text-shadow: 0 0 20px var(--color-gold-glow);
}
.nav__menu {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}
.nav__link {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text);
  transition: color var(--ease);
  position: relative;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -5px; left: 0; right: 0;
  height: 1px;
  background: var(--color-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--ease);
}
.nav__link:hover,
.nav__link--active {
  color: var(--color-gold);
}
.nav__link:hover::after,
.nav__link--active::after {
  transform: scaleX(1);
}

/* Hamburguesa */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav__toggle span {
  display: block;
  width: 26px; height: 2px;
  background: var(--color-text-bright);
  transition: all var(--ease);
}
.nav__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.nav__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background:
    linear-gradient(180deg,
      rgba(7, 8, 13, 0.25) 0%,
      rgba(7, 8, 13, 0.65) 55%,
      var(--color-bg) 100%
    ),
    url('../images/exhibits/fondo.jpg') center / cover no-repeat;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 30%, rgba(201, 168, 76, 0.07) 0%, transparent 65%);
}
.hero__content {
  position: relative;
  text-align: center;
  padding: 10rem var(--space-md) var(--space-xl);
  max-width: 820px;
}
.hero__eyebrow {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-sm);
}
.hero__title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 11vw, 7.5rem);
  color: var(--color-text-bright);
  line-height: 0.95;
  margin-bottom: var(--space-md);
  text-shadow:
    0 0 80px rgba(201, 168, 76, 0.25),
    0 2px 4px rgba(0, 0, 0, 0.8);
}
.hero__desc {
  font-size: 1.2rem;
  color: var(--color-text);
  max-width: 540px;
  margin-inline: auto;
  margin-bottom: var(--space-md);
  font-style: italic;
}
.hero__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Indicador de scroll */
.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-heading);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.hero__scroll-line {
  width: 1px;
  height: 44px;
  background: linear-gradient(to bottom, var(--color-gold), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1);   }
  50%       { opacity: 1;   transform: scaleY(1.25); transform-origin: top; }
}

/* ============================================
   SOBRE EL MUSEO
   ============================================ */
.about {
  padding: var(--space-xl) 0;
}
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}
.about__text p {
  margin-bottom: var(--space-sm);
}
.about__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}
.stat {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: 2px solid var(--color-gold);
  padding: var(--space-md);
  text-align: center;
  transition: border-color var(--ease), box-shadow var(--ease);
}
.stat:hover {
  border-color: var(--color-gold);
  box-shadow: 0 0 30px var(--color-gold-glow);
}
.stat__number {
  display: block;
  font-family: var(--font-display);
  font-size: 2.75rem;
  color: var(--color-gold);
  line-height: 1;
}
.stat__label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: 0.4rem;
}

/* ============================================
   EXHIBICIONES
   ============================================ */
.exhibits {
  padding: var(--space-xl) 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.exhibits__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-md);
}
.exhibit-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
}
.exhibit-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-gold-dim);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}
.exhibit-card__img {
  height: 230px;
  background: var(--color-surface-2) center / cover no-repeat;
  transition: transform 0.6s ease;
}
.exhibit-card:hover .exhibit-card__img {
  transform: scale(1.04);
}
/* Imágenes del carrusel */
.exhibit-card__img--1 {
  background-image: url('../images/exhibits/Galeones_1.jpg');
  background-color: #1a2a1a;
}
.exhibit-card__img--2 {
  background-image: url('../images/exhibits/Armeria_1.jpg');
  background-color: #2a1a1a;
}
.exhibit-card__img--3 {
  background-image: url('../images/exhibits/Instrumentos_1.jpg');
  background-color: #1a1a2a;
}
.exhibit-card__img--4 {
  background-image: url('../images/exhibits/Arte_1.jpg');
  background-color: #2a1a0a;
}
.exhibit-card__img--5 {
  background-image: url('../images/exhibits/Comercio_1.jpg');
  background-color: #0a2a1a;
}
.exhibit-card__img--6 {
  background-image: url('../images/exhibits/Cartografia_1.jpg');
  background-color: #0a1522;
}
.exhibit-card__img--7 {
  background-image: url('../images/exhibits/Reyes_1.jpg');
  background-color: #1a0a22;
}
.exhibit-card__body .section-tag {
  margin-bottom: 0.4rem;
}
.exhibit-card__body {
  padding: var(--space-md);
}
.exhibit-card__title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--color-text-bright);
  margin-bottom: 0.5rem;
}
.exhibit-card__text {
  font-size: 1rem;
  margin-bottom: var(--space-sm);
}
.exhibit-card__link {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--color-gold);
  transition: letter-spacing var(--ease);
}
.exhibit-card__link:hover {
  letter-spacing: 0.18em;
}

/* ============================================
   GALLERY — galería de fotos en páginas internas
   ============================================ */
.gallery {
  display: grid;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}
.gallery--2col { grid-template-columns: 1fr 1fr; }
.gallery__item {
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
}
.gallery__item img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
  transition: transform 0.7s ease;
}
.gallery__item:hover img { transform: scale(1.05); }

@media (max-width: 600px) {
  .gallery--2col { grid-template-columns: 1fr; }
  .gallery__item img { height: 200px; }
}

/* ============================================
   CAROUSEL
   ============================================ */
.carousel {
  margin-top: var(--space-md);
}
.carousel__track {
  position: relative;
  display: flex;
  gap: var(--space-md);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: 4px;
}
.carousel__track::-webkit-scrollbar { display: none; }
.carousel__track .exhibit-card {
  flex: 0 0 calc((100% - 2 * var(--space-md)) / 3);
  scroll-snap-align: start;
}
.carousel__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}
.carousel__btn {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-gold);
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  font-size: 1.8rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: border-color var(--ease), background var(--ease);
}
.carousel__btn:hover {
  border-color: var(--color-gold);
  background: var(--color-surface-2);
}
.carousel__dots {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}
.carousel__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-border);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background var(--ease), transform var(--ease);
}
.carousel__dot--active {
  background: var(--color-gold);
  transform: scale(1.35);
}

@media (max-width: 900px) {
  .carousel__track .exhibit-card {
    flex: 0 0 calc(50% - var(--space-sm));
  }
}
@media (max-width: 600px) {
  .carousel__track .exhibit-card {
    flex: 0 0 85%;
  }
}

/* ============================================
   VISÍTANOS
   ============================================ */
.visit {
  padding: var(--space-xl) 0;
}
.visit__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}
.visit__list {
  margin-bottom: var(--space-md);
}
.visit__item {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
}
.visit__icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  line-height: 1.4;
}
.visit__item strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.2rem;
}
.visit__map {
  border: 1px solid var(--color-border);
  overflow: hidden;
}
.visit__map iframe {
  width: 100%;
  height: 400px;
  border: none;
  filter: grayscale(0.7) invert(0.92) contrast(1.05) hue-rotate(185deg);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-lg) 0 var(--space-md);
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}
.footer__logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--color-gold);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.footer__brand p:last-child {
  color: var(--color-text-muted);
  font-size: 1rem;
}
.footer__links h3,
.footer__contact h3 {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-sm);
}
.footer__links ul li {
  margin-bottom: 0.6rem;
}
.footer__links a {
  color: var(--color-text);
  font-size: 1rem;
  transition: color var(--ease);
}
.footer__links a:hover {
  color: var(--color-gold);
}
.footer__contact p {
  color: var(--color-text);
  font-size: 1rem;
  margin-bottom: 0.4rem;
}
.footer__bottom {
  text-align: center;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  font-family: var(--font-heading);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
}

/* ============================================
   PAGE HERO — header de páginas internas
   ============================================ */
.page-hero {
  min-height: 45vh;
  display: flex;
  align-items: flex-end;
  padding-bottom: var(--space-lg);
  background:
    linear-gradient(180deg, rgba(7,8,13,0.5) 0%, var(--color-bg) 100%),
    var(--color-surface) center / cover no-repeat;
  border-bottom: 1px solid var(--color-border);
}
.page-hero__content {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--space-md);
  padding-top: 8rem;
}
.page-hero .hero__title {
  font-size: clamp(2.5rem, 7vw, 5rem);
  text-align: left;
}
.page-hero .hero__desc {
  text-align: left;
  margin-inline: 0;
  max-width: 600px;
}

/* Secciones de colección */
.collection-section {
  padding: var(--space-lg) 0;
}
.collection-section--alt {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

/* ============================================
   REVEAL — animación de entrada
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
  .about__grid,
  .visit__grid {
    grid-template-columns: 1fr;
  }
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --space-xl: 5rem;
    --space-lg: 3rem;
  }

  /* Menú móvil */
  .nav__menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: rgba(7, 8, 13, 0.98);
    padding: var(--space-md);
    border-bottom: 1px solid var(--color-border);
    gap: 1.25rem;
  }
  .nav__menu.open { display: flex; }
  .nav__toggle { display: flex; }

  .hero__actions {
    flex-direction: column;
    align-items: center;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .visit__map iframe { height: 280px; }
}

@media (max-width: 480px) {
  .about__stats {
    grid-template-columns: 1fr 1fr;
  }
}