/* ============================================
   ESPELUNCA DIGITAL - Estilos Principales
   ============================================ */

@import url('variables.css');
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@300;400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Caveat:wght@400;500;600&display=swap');

/* ========== RESET ========== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--gris-piedra) var(--negro-profundo);
}

html::-webkit-scrollbar {
  width: 8px;
}

html::-webkit-scrollbar-track {
  background: var(--negro-profundo);
}

html::-webkit-scrollbar-thumb {
  background: var(--gris-piedra);
  border-radius: 4px;
}

body {
  font-family: var(--font-body);
  background: var(--negro-profundo);
  color: var(--luz-linterna);
  line-height: 1.6;
  overflow-x: hidden;
  cursor: none;
}

/* ========== CURSOR LINTERNA ========== */
.cursor-light {
  position: fixed;
  width: var(--cursor-size);
  height: var(--cursor-size);
  border-radius: 50%;
  pointer-events: none;
  z-index: var(--z-cursor);
  transform: translate(-50%, -50%);
  background: radial-gradient(
    circle,
    rgba(255, 248, 231, var(--cursor-opacity)) 0%,
    rgba(255, 248, 231, 0.08) 30%,
    rgba(255, 248, 231, 0.02) 60%,
    transparent 100%
  );
  filter: blur(var(--cursor-blur));
  mix-blend-mode: screen;
  transition: width 0.3s ease, height 0.3s ease, opacity 0.3s ease;
}

.cursor-light.expanded {
  width: calc(var(--cursor-size) * 2);
  height: calc(var(--cursor-size) * 2);
  --cursor-opacity: 0.25;
}

.cursor-dot {
  position: fixed;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--luz-linterna);
  pointer-events: none;
  z-index: calc(var(--z-cursor) + 1);
  transform: translate(-50%, -50%);
  transition: transform 0.1s ease;
}

.cursor-dot.clicking {
  transform: translate(-50%, -50%) scale(0.5);
}

/* Mostrar cursor normal en moviles */
@media (max-width: 768px) {
  body { cursor: auto; }
  .cursor-light, .cursor-dot { display: none; }
}

/* ========== PANTALLA DE CARGA ========== */
.loading-screen {
  position: fixed;
  inset: 0;
  background: var(--negro-profundo);
  z-index: var(--z-loading);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  transition: opacity 1s var(--ease-dramatic), visibility 1s;
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.loading-text {
  font-family: var(--font-display);
  font-size: var(--size-lg);
  color: var(--luz-calida);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  opacity: 0;
  animation: pulse-text 2s ease-in-out infinite;
}

@keyframes pulse-text {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* ========== ENTRADA - BOCA DE LA CUEVA ========== */
.entrada {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.firma-container {
  position: relative;
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 1.5s var(--ease-dramatic), transform 1.5s var(--ease-dramatic);
}

.firma-container.visible {
  opacity: 1;
  transform: scale(1);
}

.firma-img {
  max-width: 300px;
  width: 80vw;
  filter: brightness(0.9) contrast(1.1);
  transition: filter 0.5s ease;
}

.firma-container:hover .firma-img {
  filter: brightness(1) contrast(1.2);
}

.entrada-cta {
  margin-top: var(--space-8);
  opacity: 0;
  transform: translateY(20px);
  animation: fade-up 1s var(--ease-smooth) 2s forwards;
}

.enter-btn {
  background: transparent;
  border: 1px solid var(--luz-calida);
  color: var(--luz-calida);
  font-family: var(--font-display);
  font-size: var(--size-sm);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  padding: var(--space-4) var(--space-8);
  cursor: none;
  position: relative;
  overflow: hidden;
  transition: all 0.4s var(--ease-smooth);
}

.enter-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--luz-calida);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-smooth);
  z-index: -1;
}

.enter-btn:hover {
  color: var(--negro-profundo);
}

.enter-btn:hover::before {
  transform: scaleX(1);
}

@keyframes fade-up {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========== VESTIBULO - CITA ========== */
.vestibulo {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
  position: relative;
}

.cita-container {
  max-width: 800px;
  text-align: center;
}

.cita-texto {
  font-family: var(--font-display);
  font-size: var(--size-3xl);
  font-weight: 300;
  font-style: italic;
  line-height: 1.8;
  color: var(--luz-calida);
  opacity: 0;
}

.cita-texto.animate {
  animation: reveal-text 2s var(--ease-smooth) forwards;
}

.cita-autor {
  margin-top: var(--space-6);
  font-family: var(--font-body);
  font-size: var(--size-sm);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gris-abandono);
  opacity: 0;
}

.cita-autor.animate {
  animation: fade-up 1s var(--ease-smooth) 1.5s forwards;
}

@keyframes reveal-text {
  from {
    opacity: 0;
    filter: blur(10px);
  }
  to {
    opacity: 1;
    filter: blur(0);
  }
}

/* ========== NAVEGACION ========== */
.nav-cueva {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: var(--space-5) var(--space-8);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: var(--z-overlay);
  background: linear-gradient(to bottom, var(--negro-profundo), transparent);
  opacity: 0;
  transform: translateY(-20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.nav-cueva.visible {
  opacity: 1;
  transform: translateY(0);
}

.nav-logo {
  width: 80px;
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

.nav-logo:hover {
  opacity: 1;
}

.nav-links {
  display: flex;
  gap: var(--space-6);
  list-style: none;
}

.nav-link {
  font-family: var(--font-body);
  font-size: var(--size-sm);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--luz-calida);
  text-decoration: none;
  opacity: 0.7;
  transition: opacity 0.3s ease;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--luz-calida);
  transition: width 0.3s ease;
}

.nav-link:hover {
  opacity: 1;
}

.nav-link:hover::after {
  width: 100%;
}

/* Menu hamburguesa movil */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.nav-toggle span {
  width: 24px;
  height: 1px;
  background: var(--luz-calida);
  transition: all 0.3s ease;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 280px;
    flex-direction: column;
    background: var(--negro-cueva);
    padding: var(--space-16) var(--space-8);
    transform: translateX(100%);
    transition: transform 0.4s var(--ease-smooth);
  }

  .nav-links.open {
    transform: translateX(0);
  }
}

/* ========== CAMARAS / GALERIAS ========== */
.camara {
  min-height: 100vh;
  padding: var(--space-16) var(--space-8);
  position: relative;
}

.camara-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.camara-titulo {
  font-family: var(--font-display);
  font-size: var(--size-5xl);
  font-weight: 300;
  color: var(--luz-calida);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
}

.camara-periodo {
  font-family: var(--font-body);
  font-size: var(--size-sm);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gris-abandono);
}

.camara-nota {
  max-width: 700px;
  margin: var(--space-8) auto;
  font-family: var(--font-handwriting);
  font-size: var(--size-xl);
  line-height: 1.8;
  color: var(--luz-calida);
  opacity: 0.9;
  text-align: center;
  padding: var(--space-6);
  border-left: 2px solid currentColor;
  border-right: 2px solid currentColor;
}

/* Colores por serie */
.camara--cuevas {
  --serie-color: var(--violeta-ojiva);
  --serie-accent: var(--ocre-tierra);
}

.camara--cuerpos {
  --serie-color: var(--azul-huida);
  --serie-accent: var(--gris-abandono);
}

.camara--vegetacion {
  --serie-color: var(--verde-profundo);
  --serie-accent: var(--verde-musgo);
}

.camara--pajaros {
  --serie-color: var(--rosa-alegria);
  --serie-accent: var(--azul-celeste);
}

.camara--tinta {
  --serie-color: var(--gris-piedra);
  --serie-accent: var(--luz-calida);
}

.camara--transparencias {
  --serie-color: var(--ambar-luz);
  --serie-accent: var(--dorado-suave);
}

.camara--moviles {
  --serie-color: var(--luz-calida);
  --serie-accent: var(--gris-sombra);
}

.camara--grafica {
  --serie-color: var(--rojo-sangre);
  --serie-accent: var(--sepia);
}

.camara .camara-titulo {
  color: var(--serie-color);
}

.camara .camara-nota {
  border-color: var(--serie-color);
}

/* ========== GALERIA DE OBRAS ========== */
.galeria {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
  max-width: 1400px;
  margin: 0 auto;
}

.obra {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--gris-cueva);
  border-radius: 4px;
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-smooth), transform 0.8s var(--ease-smooth);
}

.obra.visible {
  opacity: 1;
  transform: translateY(0);
}

.obra img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-smooth), filter 0.6s ease;
  filter: brightness(0.7);
}

.obra:hover img {
  transform: scale(1.05);
  filter: brightness(1);
}

.obra-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 10, 10, 0.9) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.4s ease;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-5);
}

.obra:hover .obra-overlay {
  opacity: 1;
}

.obra-titulo {
  font-family: var(--font-display);
  font-size: var(--size-lg);
  color: var(--luz-calida);
  margin-bottom: var(--space-1);
}

.obra-info {
  font-size: var(--size-sm);
  color: var(--gris-abandono);
}

/* ========== BIOGRAFIA ========== */
.biografia {
  padding: var(--space-16) var(--space-8);
}

.bio-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  max-width: 1200px;
  margin: 0 auto var(--space-16);
  align-items: center;
}

.bio-foto {
  position: relative;
}

.bio-foto img {
  width: 100%;
  max-width: 500px;
  filter: grayscale(20%);
  transition: filter 0.5s ease;
}

.bio-foto:hover img {
  filter: grayscale(0%);
}

.bio-texto h1 {
  font-family: var(--font-display);
  font-size: var(--size-5xl);
  font-weight: 300;
  color: var(--luz-calida);
  margin-bottom: var(--space-4);
}

.bio-texto .subtitulo {
  font-size: var(--size-lg);
  color: var(--gris-abandono);
  margin-bottom: var(--space-6);
}

.bio-texto p {
  font-size: var(--size-base);
  line-height: 1.8;
  color: var(--luz-calida);
  opacity: 0.9;
  margin-bottom: var(--space-4);
}

/* Timeline */
.timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  padding-left: var(--space-8);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--gris-piedra), transparent);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--space-8);
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.timeline-item.visible {
  opacity: 1;
  transform: translateX(0);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-8) - 4px);
  top: 8px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--luz-calida);
  box-shadow: 0 0 10px var(--luz-calida);
}

.timeline-year {
  font-family: var(--font-display);
  font-size: var(--size-xl);
  color: var(--luz-calida);
  margin-bottom: var(--space-2);
}

.timeline-content {
  font-size: var(--size-base);
  color: var(--gris-abandono);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .bio-hero {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .bio-foto img {
    max-width: 300px;
    margin: 0 auto;
  }
}

/* ========== PRENSA ========== */
.prensa {
  padding: var(--space-16) var(--space-8);
}

.criticas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-8);
  max-width: 1400px;
  margin: 0 auto;
}

.critica-card {
  background: var(--gris-cueva);
  padding: var(--space-8);
  border-radius: 4px;
  position: relative;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s var(--ease-smooth);
}

.critica-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.critica-card::before {
  content: '"';
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  font-family: var(--font-display);
  font-size: var(--size-hero);
  color: var(--gris-piedra);
  line-height: 1;
}

.critica-texto {
  font-family: var(--font-display);
  font-size: var(--size-lg);
  font-style: italic;
  line-height: 1.8;
  color: var(--luz-calida);
  margin-bottom: var(--space-6);
  position: relative;
  z-index: 1;
}

.critica-autor {
  font-family: var(--font-body);
  font-size: var(--size-sm);
  color: var(--gris-abandono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ========== CONTACTO ========== */
.contacto {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
  position: relative;
  background: linear-gradient(to bottom, var(--negro-profundo), var(--gris-cueva));
}

.contacto-container {
  text-align: center;
  max-width: 600px;
}

.contacto h1 {
  font-family: var(--font-display);
  font-size: var(--size-4xl);
  font-weight: 300;
  color: var(--luz-calida);
  margin-bottom: var(--space-6);
}

.contacto-info {
  margin-bottom: var(--space-8);
}

.contacto-info p {
  font-size: var(--size-base);
  color: var(--gris-abandono);
  margin-bottom: var(--space-2);
}

.contacto-info a {
  color: var(--luz-calida);
  text-decoration: none;
  transition: opacity 0.3s ease;
}

.contacto-info a:hover {
  opacity: 0.7;
}

/* ========== LIGHTBOX ========== */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 10, 0.95);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s;
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  transform: scale(0.9);
  transition: transform 0.4s var(--ease-smooth);
}

.lightbox.active img {
  transform: scale(1);
}

.lightbox-close {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  width: 48px;
  height: 48px;
  background: none;
  border: 1px solid var(--luz-calida);
  color: var(--luz-calida);
  font-size: var(--size-2xl);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.lightbox-close:hover {
  background: var(--luz-calida);
  color: var(--negro-profundo);
}

/* ========== FOOTER ========== */
.footer {
  padding: var(--space-8);
  text-align: center;
  background: var(--negro-cueva);
  border-top: 1px solid var(--gris-piedra);
}

.footer p {
  font-size: var(--size-sm);
  color: var(--gris-abandono);
}

/* ========== UTILIDADES ========== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Reducir movimiento para accesibilidad */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}