/* ==========================================================================
   BANDA KVU - DEFINICIÓN DE ESTILOS Y SISTEMA DE DISEÑO
   ========================================================================== */

/* 1. Variables Globales & Tokens de Diseño */
:root {
  --color-bg-darkest: #070709;
  --color-bg-darker: #0d0d11;
  --color-bg-dark: #15151a;
  --color-bg-card: rgba(26, 26, 33, 0.6);
  --color-bg-glass: rgba(21, 21, 26, 0.7);
  
  /* Paleta Dorada Metalizada */
  --color-gold-light: #fbe69e;
  --color-gold: #dfb853;
  --color-gold-dark: #bf9b30;
  --color-gold-deep: #8c6d1d;
  
  /* Acentos de Color */
  --color-accent-crimson: #cf2b2b;
  --color-accent-crimson-glow: rgba(207, 43, 43, 0.4);
  --color-gold-glow: rgba(223, 184, 83, 0.35);
  
  /* Colores de Texto */
  --color-text-light: #ffffff;
  --color-text-muted: #a5a5ab;
  --color-text-dark: #1c1c22;
  
  /* Fuentes */
  --font-headings: 'Cinzel', serif;
  --font-body: 'Montserrat', sans-serif;
  
  /* Transiciones */
  --transition-fast: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Bordes & Sombras */
  --border-radius-sm: 6px;
  --border-radius-md: 12px;
  --border-radius-lg: 24px;
  --border-glass: 1px solid rgba(223, 184, 83, 0.15);
  --shadow-gold: 0 8px 32px 0 rgba(140, 109, 29, 0.15);
  --shadow-neon-gold: 0 0 15px rgba(223, 184, 83, 0.4);
}

/* 2. Reset y Configuración General */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px; /* Evita que el header tape secciones al navegar */
  font-size: 16px;
  background-color: var(--color-bg-darkest);
  color: var(--color-text-light);
  font-family: var(--font-body);
}

body {
  overflow-x: hidden;
  line-height: 1.6;
  font-weight: 400;
  background-color: var(--color-bg-darkest);
}

/* Ocultar barra de scroll nativa si queremos, o estilizarla */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg-darkest);
}
::-webkit-scrollbar-thumb {
  background: var(--color-bg-dark);
  border: 2px solid var(--color-bg-darkest);
  border-radius: var(--border-radius-sm);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-gold-dark);
}

/* 3. Estilos de Utilidades */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.py-section {
  padding-top: 100px;
  padding-bottom: 100px;
}

.py-sub {
  padding-top: 40px;
  padding-bottom: 40px;
}

.text-center { text-align: center; }
.text-light { color: var(--color-text-light); }
.text-muted { color: var(--color-text-muted); }

.accent {
  color: var(--color-gold);
  background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold) 50%, var(--color-gold-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Separadores de Título */
.section-header {
  margin-bottom: 60px;
}

.section-tagline {
  font-family: var(--font-headings);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 3px;
  color: var(--color-gold);
  text-transform: uppercase;
  margin-bottom: 8px;
  display: block;
}

.section-title {
  font-family: var(--font-headings);
  font-weight: 900;
  font-size: 2.5rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 15px;
}

.title-divider {
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
  margin: 0 auto 20px auto;
}

.title-divider.gold {
  background: linear-gradient(90deg, transparent, var(--color-gold-light), var(--color-gold), transparent);
}

.section-desc {
  max-width: 600px;
  margin: 0 auto;
  color: var(--color-text-muted);
}

/* 4. Estilos de Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 14px 30px;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition-normal);
  gap: 10px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold) 60%, var(--color-gold-dark) 100%);
  color: var(--color-text-dark);
  box-shadow: 0 4px 15px rgba(223, 184, 83, 0.3);
  border: 1px solid var(--color-gold-light);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-neon-gold);
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-text-light);
  border: 2px solid var(--color-text-light);
}

.btn-secondary:hover {
  background-color: var(--color-text-light);
  color: var(--color-text-dark);
  transform: translateY(-3px);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-gold);
  border: 1px solid var(--color-gold);
}

.btn-outline:hover {
  background-color: var(--color-gold);
  color: var(--color-text-dark);
  box-shadow: var(--shadow-neon-gold);
}

.btn-block {
  display: flex;
  width: 100%;
}

/* 5. Glassmorphism Card Base */
.card-glass {
  background: var(--color-bg-card);
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  border: var(--border-glass);
  border-radius: var(--border-radius-md);
  padding: 30px;
  box-shadow: var(--shadow-gold);
  transition: var(--transition-normal);
}

.card-glass:hover {
  border-color: rgba(223, 184, 83, 0.4);
  box-shadow: 0 12px 40px 0 rgba(223, 184, 83, 0.1);
  transform: translateY(-5px);
}

/* 6. Indicador de Progreso del Scroll */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-gold-light), var(--color-gold), var(--color-accent-crimson));
  z-index: 2000;
  width: 0%;
  transition: width 0.1s ease;
}

/* 7. Header & Navegación Estilo Sticky */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(7, 7, 9, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition-normal);
}

/* Header que encoje en scroll */
.main-header.scrolled {
  padding: 10px 0;
  background-color: var(--color-bg-darkest);
  border-bottom: 1px solid rgba(223, 184, 83, 0.2);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 24px;
  transition: var(--transition-normal);
}

.main-header.scrolled .header-container {
  padding: 10px 24px;
}

/* Logo */
.logo {
  text-decoration: none;
  font-family: var(--font-headings);
  font-weight: 900;
  font-size: 1.6rem;
  letter-spacing: 2px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-img {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-gold);
  box-shadow: var(--shadow-neon-gold);
  transition: var(--transition-fast);
}

.logo:hover .logo-img {
  transform: scale(1.1) rotate(5deg);
  border-color: var(--color-gold-light);
}

.logo-text {
  color: var(--color-text-light);
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
}

/* Menú de Navegación */
.nav-menu ul {
  display: flex;
  list-style: none;
  gap: 30px;
}

.nav-link {
  text-decoration: none;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-muted);
  transition: var(--transition-fast);
  padding: 8px 0;
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-gold);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-gold);
  transition: var(--transition-fast);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 15px;
}

/* Hamburguesa móvil */
.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
}

.mobile-nav-toggle .bar {
  width: 100%;
  height: 2px;
  background-color: var(--color-text-light);
  transition: var(--transition-fast);
}

/* 8. Hero Section */
.hero-section {
  height: 100vh;
  min-height: 650px;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-bottom: 60px;
}

.hero-subtitle {
  font-family: var(--font-headings);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 6px;
  color: var(--color-gold);
  margin-bottom: 20px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s forwards 0.2s;
}

.hero-title {
  font-family: var(--font-headings);
  font-weight: 900;
  font-size: 5rem;
  letter-spacing: 5px;
  margin-bottom: 20px;
  line-height: 1.1;
  background: linear-gradient(135deg, #ffffff 0%, var(--color-gold-light) 50%, var(--color-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s forwards 0.4s;
}

.hero-tagline {
  max-width: 650px;
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin-bottom: 40px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s forwards 0.6s;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  margin-bottom: 50px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s forwards 0.8s;
}

.hero-socials {
  display: flex;
  gap: 20px;
  opacity: 0;
  animation: fadeIn 1s forwards 1.2s;
}

.social-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition-fast);
  text-decoration: none;
}

.social-icon:hover {
  background-color: var(--color-gold);
  color: var(--color-text-dark);
  transform: scale(1.1) translateY(-3px);
  box-shadow: var(--shadow-neon-gold);
}

.scroll-down-hint {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  text-align: center;
}

.scroll-down-hint a {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  transition: var(--transition-fast);
}

.scroll-down-hint a:hover {
  color: var(--color-gold);
}

.scroll-down-hint i {
  font-size: 1.2rem;
  margin-top: 8px;
}

/* 9. Quiénes Somos (About) Section */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 1.2fr;
  gap: 60px;
  align-items: center;
}

.about-image-container {
  position: relative;
}

.image-wrapper {
  position: relative;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
}

.about-img {
  width: 100%;
  height: auto;
  display: block;
  transition: var(--transition-slow);
}

.image-wrapper:hover .about-img {
  transform: scale(1.05);
}

/* Efecto Marco Dorado alrededor de la imagen */
.gold-frame-effect {
  position: absolute;
  top: 15px;
  left: 15px;
  right: 15px;
  bottom: 15px;
  border: 2px solid var(--color-gold);
  border-radius: calc(var(--border-radius-md) - 5px);
  pointer-events: none;
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.5);
  opacity: 0.8;
  transition: var(--transition-normal);
}

.image-wrapper:hover .gold-frame-effect {
  top: 8px;
  left: 8px;
  right: 8px;
  bottom: 8px;
  border-color: var(--color-gold-light);
  box-shadow: inset 0 0 30px rgba(223, 184, 83, 0.3), var(--shadow-neon-gold);
}

.about-content h3 {
  font-family: var(--font-headings);
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 25px;
  color: var(--color-gold-light);
}

.about-content p {
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.features-list {
  margin-top: 35px;
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.feature-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.feature-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: rgba(223, 184, 83, 0.1);
  border: 1px solid rgba(223, 184, 83, 0.2);
  color: var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.feature-text h4 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 5px;
}

.feature-text p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* Instruments Showcase */
.instruments-showcase {
  margin-top: 80px;
}

.showcase-title {
  font-family: var(--font-headings);
  font-size: 1.4rem;
  margin-bottom: 40px;
  letter-spacing: 2px;
}

.instruments-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.instrument-card {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.instrument-card .card-icon {
  font-size: 2.2rem;
  color: var(--color-gold);
  margin-bottom: 20px;
  text-shadow: 0 0 10px rgba(223, 184, 83, 0.2);
  transition: var(--transition-fast);
}

.instrument-card:hover .card-icon {
  transform: scale(1.15);
  color: var(--color-gold-light);
}

.instrument-card h5 {
  font-family: var(--font-headings);
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.instrument-card p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* 10. Sección Música con Custom Player */
.music-section {
  position: relative;
  background-color: var(--color-bg-darker);
  overflow: hidden;
}

.music-overlay-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 70% 30%, rgba(223, 184, 83, 0.05) 0%, transparent 60%);
  pointer-events: none;
}

.relative-content {
  position: relative;
  z-index: 2;
}

.player-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 50px;
  align-items: start;
  margin-top: 40px;
}

/* Albums Grid */
.albums-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 25px;
}

.album-card {
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius-md);
  padding: 15px;
  cursor: pointer;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.album-card:hover {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: rgba(223, 184, 83, 0.3);
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.4);
}

.album-card.active {
  background-color: rgba(223, 184, 83, 0.05);
  border-color: var(--color-gold);
  box-shadow: 0 0 15px rgba(223, 184, 83, 0.1);
}

.album-img-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 1/1;
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  margin-bottom: 12px;
}

.album-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.album-hover-play {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-fast);
}

.album-card:hover .album-hover-play {
  opacity: 1;
}

.album-hover-play .play-icon {
  font-size: 2.5rem;
  color: var(--color-gold);
  text-shadow: 0 0 15px rgba(223, 184, 83, 0.5);
  transform: scale(0.8);
  transition: var(--transition-fast);
}

.album-card:hover .album-hover-play .play-icon {
  transform: scale(1);
}

.now-playing-label {
  display: none;
  position: absolute;
  bottom: 10px;
  background-color: var(--color-gold);
  color: var(--color-text-dark);
  font-weight: 700;
  font-size: 0.7rem;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: var(--border-radius-sm);
  letter-spacing: 1px;
}

.album-card.active .now-playing-label {
  display: block;
}

.album-card.active .album-hover-play {
  opacity: 1;
  background-color: rgba(0,0,0,0.3);
}

.album-card.active .album-hover-play .play-icon {
  display: none;
}

.album-info h5 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text-light);
  margin-bottom: 4px;
}

.album-info p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* Custom Audio Player Widget */
.card-glass-player {
  background: rgba(22, 22, 28, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(223, 184, 83, 0.25);
  border-radius: var(--border-radius-lg);
  padding: 35px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.6);
  position: sticky;
  top: 110px;
}

.live-indicator {
  font-size: 0.75rem;
  letter-spacing: 2px;
  color: var(--color-text-muted);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.live-indicator .dot {
  width: 8px;
  height: 8px;
  background-color: #2ecc71;
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px #2ecc71;
  animation: pulse 1.5s infinite;
}

.player-body {
  margin-top: 25px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Vinyl / Spinning Album Art */
.player-album-art {
  position: relative;
  width: 180px;
  height: 180px;
  margin-bottom: 25px;
}

.player-album-art img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 6px solid var(--color-bg-darker);
  position: relative;
  z-index: 3;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
}

.rotating {
  animation: rotateDisc 15s linear infinite;
  animation-play-state: paused;
}

.vinyl-record {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: radial-gradient(circle, #222 30%, #000 60%, #111 100%);
  z-index: 1;
  box-shadow: 5px 10px 30px rgba(0,0,0,0.7);
  transform: translateX(0);
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Vinyl pops out on play */
.playing .vinyl-record {
  transform: translateX(35px) rotate(180deg);
}

.vinyl-groove {
  position: absolute;
  top: 10px;
  left: 10px;
  right: 10px;
  bottom: 10px;
  border: 1px dashed rgba(255,255,255,0.05);
  border-radius: 50%;
}

.player-song-details h4 {
  font-family: var(--font-headings);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-gold-light);
  margin-bottom: 5px;
}

.player-song-details p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* Progress Slider */
.player-progress-container {
  width: 100%;
  height: 6px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  margin: 25px 0 8px 0;
  position: relative;
  cursor: pointer;
}

.progress-bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--color-gold), var(--color-gold-light));
  border-radius: 3px;
  position: absolute;
  top: 0;
  left: 0;
}

.progress-handle {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: var(--color-text-light);
  border: 2px solid var(--color-gold);
  position: absolute;
  top: 50%;
  left: 0%;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
}

.player-progress-container:hover .progress-handle {
  opacity: 1;
}

.time-readout {
  display: flex;
  justify-content: space-between;
  width: 100%;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* Player buttons */
.player-controls {
  display: flex;
  align-items: center;
  gap: 25px;
  margin-top: 15px;
}

.control-btn {
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.control-btn:hover {
  color: var(--color-gold);
}

.play-btn {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--color-gold);
  color: var(--color-text-dark);
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(223, 184, 83, 0.3);
}

.play-btn:hover {
  transform: scale(1.08);
  background: var(--color-gold-light);
  color: var(--color-text-dark);
  box-shadow: var(--shadow-neon-gold);
}

.player-footer {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 30px;
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 20px;
}

.volume-container {
  display: flex;
  align-items: center;
  gap: 10px;
}

.volume-btn {
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: var(--transition-fast);
}

.volume-btn:hover {
  color: var(--color-text-light);
}

#volume-slider {
  width: 80px;
  height: 4px;
  accent-color: var(--color-gold);
  cursor: pointer;
}

.platform-links {
  display: flex;
  gap: 15px;
}

.platform-links a {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  transition: var(--transition-fast);
}

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

/* Callout Buttons */
.platform-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 20px;
}

.btn-stream {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 12px 24px;
  border-radius: var(--border-radius-sm);
  color: var(--color-text-light);
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition-fast);
}

.btn-stream.youtube:hover {
  background-color: #ff0000;
  border-color: #ff0000;
  box-shadow: 0 0 15px rgba(255, 0, 0, 0.4);
}

.btn-stream.facebook:hover {
  background-color: #1877f2;
  border-color: #1877f2;
  box-shadow: 0 0 15px rgba(24, 119, 242, 0.4);
}

.btn-stream.instagram:hover {
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  border-color: transparent;
  box-shadow: 0 0 15px rgba(220, 39, 67, 0.4);
}

/* 11. Videos Section */
.videos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.video-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0 !important; /* Resetea padding de la card glass */
}

.video-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  background-color: #000;
}

.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-info {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.video-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-gold);
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.video-tag.official {
  color: #f1c40f;
}

.video-tag.studio {
  color: #3498db;
}

.video-info h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.4;
  color: var(--color-text-light);
}

.video-info p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 20px;
  flex-grow: 1;
}

.video-link {
  font-size: 0.85rem;
  color: var(--color-gold);
  text-decoration: none;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-fast);
}

.video-link:hover {
  color: var(--color-gold-light);
  transform: translateX(3px);
}

/* YouTube Banner Card */
.youtube-banner {
  margin-top: 60px;
  display: flex;
  align-items: center;
  gap: 30px;
}

.banner-icon {
  font-size: 3rem;
  color: #ff0000;
  text-shadow: 0 0 15px rgba(255, 0, 0, 0.2);
}

.banner-content {
  flex-grow: 1;
}

.banner-content h3 {
  font-family: var(--font-headings);
  font-size: 1.4rem;
  margin-bottom: 6px;
}

.banner-content p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* 12. Instagram Gallery Mockup */
.instagram-grid-mock {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.insta-card {
  position: relative;
  aspect-ratio: 1/1;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
}

.insta-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.insta-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  gap: 15px;
  transition: var(--transition-normal);
}

.insta-card:hover .insta-overlay {
  opacity: 1;
}

.insta-card:hover img {
  transform: scale(1.08);
}

.insta-overlay .likes {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.insta-overlay .likes i {
  color: #e74c3c;
  margin-right: 4px;
}

.insta-link {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--color-gold);
  color: var(--color-text-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  text-decoration: none;
  transition: var(--transition-fast);
}

.insta-link:hover {
  background-color: var(--color-text-light);
  transform: scale(1.1);
}

/* 13. Contacto / Booking Form */
.contact-section {
  background-color: var(--color-bg-darker);
  position: relative;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 50px;
  align-items: start;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.info-card {
  display: flex;
  gap: 20px;
  align-items: center;
}

.info-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: rgba(223, 184, 83, 0.08);
  border: 1px solid rgba(223, 184, 83, 0.2);
  color: var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.info-card:hover .info-icon {
  color: var(--color-text-dark);
  background-color: var(--color-gold);
  box-shadow: var(--shadow-neon-gold);
}

.info-details h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.info-details p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}

.contact-action-link {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-gold-light);
  text-decoration: none;
  transition: var(--transition-fast);
}

.contact-action-link:hover {
  color: var(--color-gold);
}

.contact-text-highlight {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-gold);
}

.social-networks-box h5 {
  font-family: var(--font-headings);
  font-size: 1rem;
  margin-bottom: 15px;
  letter-spacing: 1px;
}

.social-row {
  display: flex;
  justify-content: center;
  gap: 15px;
}

.social-row a {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  text-decoration: none;
  transition: var(--transition-fast);
}

.social-row a:hover {
  background-color: var(--color-gold);
  color: var(--color-text-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow-neon-gold);
}

/* Booking Form Elements */
.contact-form-container {
  padding: 40px !important;
}

.contact-form-container h3 {
  font-family: var(--font-headings);
  font-size: 1.6rem;
  margin-bottom: 8px;
  color: var(--color-gold-light);
}

.form-instructions {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 30px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.form-group {
  margin-bottom: 25px;
  position: relative;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text-light);
  letter-spacing: 0.5px;
}

.form-group label .required {
  color: var(--color-accent-crimson);
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-wrapper input,
.input-wrapper select,
.input-wrapper textarea {
  width: 100%;
  background-color: rgba(7, 7, 9, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-text-light);
  border-radius: var(--border-radius-sm);
  padding: 12px 16px 12px 42px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition-fast);
}

.input-wrapper textarea {
  padding-top: 12px;
  resize: vertical;
}

.input-icon {
  position: absolute;
  left: 15px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  pointer-events: none;
  transition: var(--transition-fast);
}

.textarea-icon {
  top: 15px;
}

/* Focus States */
.input-wrapper input:focus,
.input-wrapper select:focus,
.input-wrapper textarea:focus {
  border-color: var(--color-gold);
  background-color: rgba(7, 7, 9, 0.9);
  box-shadow: 0 0 10px rgba(223, 184, 83, 0.15);
}

.input-wrapper:focus-within .input-icon {
  color: var(--color-gold);
}

/* Estilo para inputs inválidos despues del submit */
.form-group.invalid .input-wrapper input,
.form-group.invalid .input-wrapper select,
.form-group.invalid .input-wrapper textarea {
  border-color: var(--color-accent-crimson);
  background-color: rgba(207, 43, 43, 0.05);
}

.form-group.invalid .input-wrapper .input-icon {
  color: var(--color-accent-crimson);
}

.error-message {
  display: none;
  font-size: 0.75rem;
  color: var(--color-accent-crimson);
  margin-top: 6px;
  font-weight: 500;
}

.form-group.invalid .error-message {
  display: block;
}

/* 14. Dialog / Modal HTML5 */
dialog {
  margin: auto;
  border: 1px solid rgba(223, 184, 83, 0.3);
  border-radius: var(--border-radius-lg);
  background-color: rgba(21, 21, 26, 0.95);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), var(--shadow-neon-gold);
  padding: 40px;
  max-width: 500px;
  width: 90%;
  color: var(--color-text-light);
  outline: none;
}

dialog::backdrop {
  background-color: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* Animación del Dialog */
dialog[open] {
  animation: modalFadeIn 0.4s ease forwards;
}

.dialog-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.dialog-icon {
  font-size: 3.5rem;
  color: #2ecc71;
  text-shadow: 0 0 15px rgba(46, 204, 113, 0.3);
  margin-bottom: 20px;
}

.dialog-content h3 {
  font-family: var(--font-headings);
  font-size: 1.6rem;
  color: var(--color-gold-light);
  margin-bottom: 12px;
}

.dialog-content p {
  font-size: 0.95rem;
  color: var(--color-text-light);
  margin-bottom: 15px;
}

.dialog-subtext {
  font-size: 0.85rem !important;
  color: var(--color-text-muted) !important;
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 15px;
  margin-bottom: 25px !important;
}

.dialog-content button {
  min-width: 150px;
}

/* 15. Footer */
.main-footer {
  background-color: var(--color-bg-darkest);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 70px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.2fr;
  gap: 50px;
  padding-bottom: 50px;
}

.footer-logo-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 15px;
}

.footer-logo-row h4 {
  margin-bottom: 0 !important;
}

.footer-logo-img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid var(--color-gold);
}

.footer-brand h4 {
  font-family: var(--font-headings);
  font-size: 1.4rem;
  font-weight: 900;
  letter-spacing: 2px;
  color: var(--color-gold);
}

.footer-brand p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 25px;
  max-width: 320px;
}

.footer-socials {
  display: flex;
  gap: 15px;
}

.footer-socials a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  text-decoration: none;
}

.footer-socials a:hover {
  background-color: var(--color-gold);
  color: var(--color-text-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow-neon-gold);
}

.footer-links h5,
.footer-newsletter h5 {
  font-family: var(--font-headings);
  font-size: 1rem;
  letter-spacing: 1px;
  margin-bottom: 20px;
  color: var(--color-text-light);
}

.footer-links ul {
  list-style: none;
}

.footer-links ul li {
  margin-bottom: 12px;
}

.footer-links ul li a {
  text-decoration: none;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  transition: var(--transition-fast);
}

.footer-links ul li a:hover {
  color: var(--color-gold);
  padding-left: 5px;
}

.footer-newsletter p {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  margin-bottom: 20px;
}

.newsletter-form {
  display: flex;
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-sm);
  overflow: hidden;
}

.newsletter-form input {
  flex-grow: 1;
  background: transparent;
  border: none;
  outline: none;
  padding: 12px 15px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.newsletter-form button {
  background-color: var(--color-gold);
  color: var(--color-text-dark);
  border: none;
  cursor: pointer;
  padding: 0 18px;
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.newsletter-form button:hover {
  background-color: var(--color-gold-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 30px 0;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.dev-credits {
  margin-top: 6px;
  font-size: 0.75rem;
  opacity: 0.5;
}

/* 16. WhatsApp Botón Flotante */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 999;
  background-color: #25d366;
  color: #fff;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.9rem;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
  text-decoration: none;
  transition: var(--transition-normal);
}

.whatsapp-float:hover {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.6);
}

.float-tooltip {
  position: absolute;
  right: 75px;
  background-color: rgba(7, 7, 9, 0.9);
  color: var(--color-text-light);
  border: 1px solid var(--color-gold);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  white-space: nowrap;
  padding: 8px 12px;
  border-radius: var(--border-radius-sm);
  opacity: 0;
  visibility: hidden;
  transform: translateX(10px);
  transition: var(--transition-fast);
  box-shadow: 0 5px 15px rgba(0,0,0,0.5);
  pointer-events: none;
}

.whatsapp-float:hover .float-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

/* 17. Animaciones Keyframes */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(25px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes rotateDisc {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.2); opacity: 0.4; }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-8px); }
  60% { transform: translateY(-4px); }
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* 18. Animaciones Scroll-Driven (Progressive Enhancement) */
@media (prefers-reduced-motion: no-preference) {
  @supports ((animation-timeline: view()) and (animation-range: entry)) {
    @keyframes scrollFadeIn {
      from {
        opacity: 0;
        transform: translateY(40px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }
    
    .reveal-on-scroll {
      animation: scrollFadeIn auto linear forwards;
      animation-timeline: view();
      animation-range: entry 10% cover 40%;
    }
  }
}

/* Estilo fallback si no hay soporte nativo de scroll-driven */
.reveal-on-scroll.scroll-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-on-scroll.scroll-hidden {
  opacity: 0;
  transform: translateY(40px);
}


/* ==========================================================================
   19. Ajustes de Responsividad (Media Queries)
   ========================================================================== */

@media (max-width: 1024px) {
  .hero-title {
    font-size: 4rem;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .player-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .card-glass-player {
    position: relative;
    top: 0;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
  }
  
  .videos-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .instagram-grid-mock {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  /* Toggle menú móvil */
  .mobile-nav-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    left: 100%;
    width: 100%;
    height: 100vh;
    background-color: rgba(7, 7, 9, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
  }
  
  .nav-menu.open {
    left: 0;
  }
  
  .nav-menu ul {
    flex-direction: column;
    align-items: center;
    gap: 25px;
  }
  
  .nav-link {
    font-size: 1.1rem;
  }
  
  .header-actions #header-cta {
    display: none; /* Se oculta para dar prioridad a la hamburguesa */
  }
  
  /* Animación hamburguesa abierta */
  .mobile-nav-toggle.open .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  
  .mobile-nav-toggle.open .bar:nth-child(2) {
    opacity: 0;
  }
  
  .mobile-nav-toggle.open .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
  
  /* Secciones */
  .hero-title {
    font-size: 3rem;
  }
  
  .hero-tagline {
    font-size: 1rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    width: 100%;
    max-width: 280px;
    gap: 15px;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .instruments-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .albums-grid {
    grid-template-columns: 1fr;
  }
  
  .videos-grid {
    grid-template-columns: 1fr;
  }
  
  .youtube-banner {
    flex-direction: column;
    text-align: center;
    padding: 30px 20px;
  }
  
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  
  .footer-top {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  
  .footer-brand p {
    margin: 15px auto 25px auto;
  }
  
  .footer-socials {
    justify-content: center;
  }
  
  .newsletter-form {
    max-width: 320px;
    margin: 0 auto;
  }
}