/* ==========================================================================
   JULIÉE — WEB INMERSIVA OFICIAL
   Experiencia Cinematográfica Pantalla Completa Tema a Tema
   ========================================================================== */

:root {
  /* Paleta Base */
  --bg-space: #07090e;
  --bg-surface: rgba(16, 20, 32, 0.75);
  --bg-glass: rgba(14, 18, 28, 0.7);
  --border-glass: rgba(255, 255, 255, 0.09);
  --border-glass-glow: rgba(212, 175, 55, 0.35);

  /* Acentos y Colores Maestros */
  --gold-primary: #e6c387;
  --gold-accent: #d4af37;
  --gold-glow: rgba(212, 175, 55, 0.35);
  --rose-accent: #e02875;
  --rose-glow: rgba(224, 40, 117, 0.35);

  /* Texto */
  --text-primary: #f8f9fc;
  --text-secondary: #c7cedd;
  --text-muted: #80889c;
  --text-gold: #f4d49a;

  /* Tipografías */
  --font-serif: 'Cinzel', 'Playfair Display', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Elevación y Transiciones */
  --blur-glass: blur(18px);
  --shadow-subtle: 0 15px 35px -10px rgba(0, 0, 0, 0.6);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  --transition-smooth: cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset y Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
  font-size: 16px;
  background-color: var(--bg-space);
}

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background-color: var(--bg-space);
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
  min-height: 100vh;
}

/* Canvas de Fondo (Partículas y Ondas) */
#universe-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  opacity: 0.8;
}

.ambient-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.16;
  transition: all 1.2s var(--transition-smooth);
}

.ambient-glow-1 {
  top: -10%;
  right: -10%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, var(--gold-accent), transparent 70%);
}

.ambient-glow-2 {
  bottom: 15%;
  left: -15%;
  width: 55vw;
  height: 55vw;
  background: radial-gradient(circle, var(--rose-accent), transparent 70%);
}

.noise-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.035'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1;
}

/* ==========================================================================
   CABECERA FIJA SUPERIOR
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 76px;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  background: rgba(7, 9, 14, 0.7);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border-bottom: 1px solid var(--border-glass);
  transition: all 0.35s ease;
}

.site-header.scrolled {
  height: 64px;
  background: rgba(7, 9, 14, 0.92);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

.brand-wrapper {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.header-logo {
  height: 36px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(255, 255, 255, 0.15));
  transition: transform 0.3s ease;
}

.brand-wrapper:hover .header-logo {
  transform: scale(1.04);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Botón Minimalista de Audio Ambiental */
.minimal-audio-btn {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.minimal-audio-btn:hover {
  background: rgba(212, 175, 55, 0.12);
  border-color: var(--gold-accent);
  color: var(--gold-primary);
}

.minimal-audio-btn.playing {
  border-color: var(--gold-accent);
  background: rgba(212, 175, 55, 0.15);
  box-shadow: 0 0 20px rgba(212, 175, 55, 0.3);
  color: var(--gold-primary);
}

/* Ecualizador miniatura en botón */
.mini-soundwave {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 12px;
}

.mini-soundwave span {
  width: 2px;
  height: 4px;
  background-color: var(--text-muted);
  border-radius: 1px;
  transition: all 0.2s ease;
}

.minimal-audio-btn.playing .mini-soundwave span {
  background-color: var(--gold-primary);
}

.minimal-audio-btn.playing .mini-soundwave span:nth-child(1) { animation: soundwave 0.8s ease infinite alternate; }
.minimal-audio-btn.playing .mini-soundwave span:nth-child(2) { animation: soundwave 0.5s ease infinite alternate 0.2s; }
.minimal-audio-btn.playing .mini-soundwave span:nth-child(3) { animation: soundwave 0.9s ease infinite alternate 0.4s; }
.minimal-audio-btn.playing .mini-soundwave span:nth-child(4) { animation: soundwave 0.6s ease infinite alternate 0.1s; }

/* Botón cambio de pista orquestal (discreto) */
.audio-track-switch-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  font-size: 0.78rem;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.25s ease;
}

.audio-track-switch-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

/* Botón Hamburguesa */
.hamburger-btn {
  background: transparent;
  border: 1px solid var(--border-glass);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  position: relative;
  transition: all 0.3s ease;
}

.hamburger-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--gold-accent);
}

.hamburger-btn span {
  display: block;
  width: 18px;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s var(--transition-smooth);
}

.hamburger-btn.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
  background-color: var(--gold-primary);
}

.hamburger-btn.active span:nth-child(2) {
  opacity: 0;
  transform: translateX(-8px);
}

.hamburger-btn.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
  background-color: var(--gold-primary);
}

/* ==========================================================================
   MENÚ LATERAL DESPLEGABLE (OFF-CANVAS DRAWER)
   ========================================================================== */
.drawer-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 110;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s ease;
}

.drawer-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.side-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 400px;
  height: 100vh;
  background: rgba(11, 14, 22, 0.96);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  border-left: 1px solid var(--border-glass);
  box-shadow: -15px 0 50px rgba(0, 0, 0, 0.9);
  z-index: 115;
  transform: translateX(100%);
  transition: transform 0.45s var(--transition-smooth);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: 5rem 2rem 2.5rem;
}

.side-drawer.active {
  transform: translateX(0);
}

.drawer-header {
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-glass);
  margin-bottom: 1.5rem;
}

.drawer-artist-photo {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--gold-accent);
  box-shadow: 0 0 20px rgba(212, 175, 55, 0.3);
  margin-bottom: 0.75rem;
}

.drawer-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  letter-spacing: 2px;
  color: var(--gold-primary);
  margin-bottom: 0.2rem;
}

.drawer-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.drawer-nav-group {
  margin-bottom: 1.75rem;
}

.drawer-group-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--gold-accent);
  margin-bottom: 0.75rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.drawer-group-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(255, 255, 255, 0.08);
}

.drawer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.drawer-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.88rem;
  transition: all 0.25s ease;
}

.drawer-link:hover, .drawer-link.active {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
  padding-left: 1.15rem;
}

.drawer-link.active {
  color: var(--gold-primary);
  border-left: 3px solid var(--gold-accent);
  background: linear-gradient(90deg, rgba(212, 175, 55, 0.12), transparent);
}

.drawer-track-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.drawer-social-box {
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-glass);
}

.drawer-social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.75rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.3s ease;
}

.drawer-social-btn:hover {
  background: rgba(255, 0, 0, 0.15);
  border-color: rgba(255, 0, 0, 0.4);
  color: #ffffff;
}

/* ==========================================================================
   HERO FULLSCREEN (APERTURA CINEMATOGRÁFICA)
   ========================================================================== */
.hero-fullscreen {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 6rem 1.5rem 4rem;
  z-index: 2;
}

.hero-content-box {
  max-width: 840px;
  margin: 0 auto;
}

.artist-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold-accent);
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid rgba(212, 175, 55, 0.25);
  padding: 0.4rem 1.2rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.75rem;
}

.hero-logo-large {
  max-width: 440px;
  width: 80%;
  height: auto;
  margin-bottom: 1.75rem;
  filter: drop-shadow(0 15px 30px rgba(0, 0, 0, 0.8)) drop-shadow(0 0 35px rgba(212, 175, 55, 0.25));
  animation: floatSubtle 6s ease-in-out infinite;
}

.hero-headline {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  letter-spacing: 1px;
  color: var(--gold-primary);
  margin-bottom: 1.25rem;
  line-height: 1.3;
}

.hero-lead {
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  justify-content: center;
  margin-bottom: 3rem;
}

.btn-primary-glow {
  background: linear-gradient(135deg, var(--gold-accent), #c2992b);
  color: #07090e;
  font-weight: 700;
  padding: 0.95rem 2.25rem;
  border-radius: var(--radius-full);
  text-decoration: none;
  font-size: 1rem;
  letter-spacing: 0.5px;
  border: none;
  cursor: pointer;
  box-shadow: 0 0 30px rgba(212, 175, 55, 0.4);
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}

.btn-primary-glow:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 0 45px rgba(212, 175, 55, 0.6);
  background: linear-gradient(135deg, #f7d566, var(--gold-accent));
}

.scroll-down-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-top: auto;
  opacity: 0.85;
  animation: bounceSoft 2.5s infinite;
}

.scroll-mouse {
  width: 22px;
  height: 36px;
  border: 2px solid rgba(255, 255, 255, 0.25);
  border-radius: 12px;
  position: relative;
}

.scroll-wheel {
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 6px;
  background-color: var(--gold-primary);
  border-radius: 2px;
  animation: scrollWheel 2s infinite;
}

/* ==========================================================================
   BANNERS DE TRANSICIÓN DE CAPÍTULOS (HUMMINGBIRD / VERANO / SINGLES)
   ========================================================================== */
.chapter-intro-banner {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 6rem 1.5rem 3rem;
  max-width: 900px;
  margin: 0 auto;
}

.chapter-meta {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--gold-accent);
  margin-bottom: 0.75rem;
}

.chapter-title {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 5vw, 4rem);
  letter-spacing: 3px;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.chapter-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 720px;
  margin: 0 auto 1.75rem;
}

.chapter-divider {
  width: 100px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold-accent), transparent);
  margin: 0 auto;
}

.summer-chapter .chapter-meta { color: #00cec9; }
.summer-chapter .chapter-divider { background: linear-gradient(90deg, transparent, #00cec9, transparent); }

.singles-chapter .chapter-meta { color: #eb3b5a; }
.singles-chapter .chapter-divider { background: linear-gradient(90deg, transparent, #eb3b5a, transparent); }

/* ==========================================================================
   SECCIONES INMERSIVAS DE PANTALLA COMPLETA (TEMA A TEMA)
   ========================================================================== */
.immersive-journey {
  position: relative;
  z-index: 2;
  width: 100%;
}

.song-immersive-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5rem 2rem;
  margin-bottom: 2rem;
}

.song-container-wide {
  width: 100%;
  max-width: 1380px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
  background: rgba(14, 18, 28, 0.75);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7);
  position: relative;
  overflow: hidden;
  transition: border-color 0.4s ease, box-shadow 0.4s ease;
}

.song-container-wide::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--accent-color, var(--gold-accent));
}

.song-container-wide:hover {
  border-color: rgba(255, 255, 255, 0.18);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.8), 0 0 40px var(--glow-color, var(--gold-glow));
}

/* Columna Izquierda: Marco Cinematográfico del Vídeo */
.song-video-column {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.cinema-screen-frame {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* Relación de aspecto 16:9 */
  height: 0;
  background: #000000;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.8), 0 0 30px var(--glow-color, var(--gold-glow));
}

.cinema-screen-frame iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-caption-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 0 0.25rem;
}

.video-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--accent-color, var(--gold-accent));
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.video-direct-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.8rem;
  transition: color 0.25s ease;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.video-direct-link:hover {
  color: var(--text-primary);
}

/* Columna Derecha: Información Editorial & Letra Integrada */
.song-editorial-column {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.song-meta-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.song-track-badge {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-color, var(--gold-accent));
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-sm);
}

.song-release-date {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.song-main-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3vw, 2.8rem);
  color: var(--text-primary);
  line-height: 1.15;
  margin-bottom: 0.35rem;
}

.song-featuring {
  font-size: 0.95rem;
  color: var(--accent-color, var(--gold-accent));
  font-weight: 600;
  margin-bottom: 0.85rem;
}

.song-tagline {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.song-quote-card {
  font-style: italic;
  font-size: 0.92rem;
  color: var(--text-gold);
  background: rgba(255, 255, 255, 0.025);
  border-left: 3px solid var(--accent-color, var(--gold-accent));
  padding: 0.85rem 1.1rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

/* Área de Letra Integrada */
.song-lyrics-wrapper {
  background: rgba(8, 11, 18, 0.6);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  margin-top: auto;
}

.lyrics-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-glass);
}

.lyrics-title-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.copy-lyrics-action {
  background: transparent;
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.copy-lyrics-action:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.25);
}

.song-lyrics-scroll {
  max-height: 220px;
  overflow-y: auto;
  padding-right: 0.5rem;
  font-size: 0.95rem;
  line-height: 1.8;
  color: #c9d1e2;
}

.song-lyrics-scroll::-webkit-scrollbar {
  width: 4px;
}

.song-lyrics-scroll::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 2px;
}

.song-lyrics-scroll p {
  margin-bottom: 1rem;
}

.song-lyrics-scroll p:last-child {
  margin-bottom: 0;
}

.lyrics-empty-notice {
  font-style: italic;
  font-size: 0.88rem;
  color: var(--text-muted);
  text-align: center;
  padding: 1.25rem 0;
}

/* ==========================================================================
   PALETAS CROMÁTICAS PERSONALIZADAS POR TEMA
   ========================================================================== */
.theme-interlude {
  --accent-color: #e6c387;
  --glow-color: rgba(230, 195, 135, 0.3);
}

.theme-delicious-drug {
  --accent-color: #ff2d87;
  --glow-color: rgba(255, 45, 135, 0.35);
}

.theme-angels {
  --accent-color: #f7d566;
  --glow-color: rgba(247, 213, 102, 0.3);
}

.theme-one-of-a-kind {
  --accent-color: #ff4757;
  --glow-color: rgba(255, 71, 87, 0.35);
}

.theme-levitation {
  --accent-color: #9b59b6;
  --glow-color: rgba(155, 89, 182, 0.35);
}

.theme-ghost {
  --accent-color: #2ed573;
  --glow-color: rgba(46, 213, 115, 0.3);
}

.theme-freedom {
  --accent-color: #ffa502;
  --glow-color: rgba(255, 165, 2, 0.35);
}

.theme-rip {
  --accent-color: #a55eea;
  --glow-color: rgba(165, 94, 234, 0.35);
}

.theme-everly-brothers {
  --accent-color: #f39c12;
  --glow-color: rgba(243, 156, 18, 0.35);
}

.theme-no {
  --accent-color: #e74c3c;
  --glow-color: rgba(231, 76, 60, 0.35);
}

.theme-silver-gold {
  --accent-color: #d4af37;
  --glow-color: rgba(212, 175, 55, 0.35);
}

/* EP Verano */
.theme-ahora {
  --accent-color: #f39c12;
  --glow-color: rgba(243, 156, 18, 0.35);
}

.theme-cuando-te-vas {
  --accent-color: #e67e22;
  --glow-color: rgba(230, 126, 34, 0.35);
}

.theme-al2 {
  --accent-color: #1abc9c;
  --glow-color: rgba(26, 188, 156, 0.35);
}

.theme-lo-que-llegara {
  --accent-color: #00cec9;
  --glow-color: rgba(0, 206, 201, 0.35);
}

.theme-luz-de-enero {
  --accent-color: #0984e3;
  --glow-color: rgba(9, 132, 227, 0.35);
}

/* Singles */
.theme-giro-de-guion {
  --accent-color: #e84118;
  --glow-color: rgba(232, 65, 24, 0.35);
}

.theme-imu {
  --accent-color: #4834d4;
  --glow-color: rgba(72, 52, 212, 0.35);
}

.theme-my-ten {
  --accent-color: #ff6b81;
  --glow-color: rgba(255, 107, 129, 0.35);
}

.theme-mundo-de-hombres {
  --accent-color: #8c7ae6;
  --glow-color: rgba(140, 122, 230, 0.35);
}

/* ==========================================================================
   PIE DE PÁGINA
   ========================================================================== */
.site-footer {
  text-align: center;
  padding: 5rem 1.5rem 6rem;
  border-top: 1px solid var(--border-glass);
  color: var(--text-muted);
  position: relative;
  z-index: 2;
  background: rgba(7, 9, 14, 0.85);
}

.footer-logo {
  height: 44px;
  width: auto;
  margin-bottom: 1.5rem;
  opacity: 0.9;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.75rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.25s ease;
}

.footer-links a:hover {
  color: var(--gold-primary);
}

.footer-credits {
  font-size: 0.85rem;
  line-height: 1.6;
}

/* ==========================================================================
   RESPONSIVIDAD & DISPOSITIVOS MÓVILES
   ========================================================================== */
@media (max-width: 1100px) {
  .song-container-wide {
    grid-template-columns: 1fr;
    gap: 2.25rem;
    padding: 2.25rem;
  }

  .song-immersive-section {
    min-height: auto;
    padding: 4rem 1.25rem;
  }

  .song-lyrics-scroll {
    max-height: 200px;
  }
}

@media (max-width: 768px) {
  .site-header {
    padding: 0 1rem;
  }

  .minimal-audio-btn span {
    display: none;
  }

  .audio-track-switch-btn {
    display: none;
  }

  .song-container-wide {
    padding: 1.5rem 1.25rem;
  }

  .hero-fullscreen {
    padding: 5.5rem 1rem 3rem;
  }

  .chapter-intro-banner {
    padding: 4rem 1rem 2rem;
  }
}