/* ==========================================================================
   DISEÑO "GRAND PIANO NOIR" - josesojo.com Stylesheet
   ========================================================================== */

/* 1. VARIABLES GLOBALES Y CONFIGURACIÓN */
:root {
  --bg-primary: #000000;
  --bg-secondary: #080808;
  --bg-tertiary: #121212;
  --bg-card: #161616;
  --text-primary: #fcfbfa;
  --text-secondary: rgba(252, 251, 250, 0.75);
  --primary-color: #c5a880; /* Dorado latón elegante */
  --primary-hover: #e5cda8;
  --secondary-color: #801515; /* Rojo Bösendorfer felt */
  
  --font-title: 'Cinzel', Georgia, serif;
  --font-body: 'Montserrat', Arial, sans-serif;
  
  --transition-fast: 0.25s ease;
  --transition-normal: 0.4s ease;
  --transition-slow: 0.8s ease;
  
  --container-width: 1200px;
  --header-height: 80px;
}

/* Reset básico */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  outline: none;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

body {
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Utilidades generales */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 25px;
  position: relative;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  background: none;
  border: none;
  font: inherit;
  color: inherit;
  cursor: pointer;
}

.text-center {
  text-align: center;
}

.section-subtitle {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--primary-color);
  display: block;
  margin-bottom: 10px;
}

.title-large {
  font-family: var(--font-title);
  font-size: 2.5rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 40px;
  position: relative;
}

.title-large::after {
  content: '';
  display: block;
  width: 50px;
  height: 2px;
  background-color: var(--primary-color);
  margin: 15px auto 0 auto;
}

/* Letras translúcidas gigantes de fondo */
.giant-bg-text {
  position: absolute;
  bottom: 8%;
  left: 5%;
  font-size: 14vw;
  font-weight: 800;
  font-family: var(--font-body);
  color: rgba(255, 255, 255, 0.04);
  letter-spacing: 20px;
  line-height: 1;
  pointer-events: none;
  z-index: 1;
  text-transform: uppercase;
}

.giant-bg-text-sec {
  position: absolute;
  top: 15%;
  right: -5%;
  font-size: 10vw;
  font-weight: 800;
  font-family: var(--font-body);
  color: rgba(255, 255, 255, 0.03);
  letter-spacing: 15px;
  line-height: 1;
  pointer-events: none;
  z-index: 0;
  text-transform: uppercase;
}

/* Botones de acción */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-size: 0.85rem;
  padding: 12px 32px;
  border-radius: 2px;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.btn-slider {
  border: 1px solid var(--primary-color);
  color: var(--primary-color);
  background-color: rgba(0, 0, 0, 0.4);
}

.btn-slider:hover {
  background-color: var(--primary-color);
  color: #000000;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(197, 168, 128, 0.4);
}

/* ==========================================================================
   2. CABECERA & NAVEGACIÓN
   ========================================================================== */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  background-color: #000000;
  backdrop-filter: blur(15px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: all var(--transition-normal);
}

.main-header.scrolled {
  background-color: #000000;
  height: 70px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.8);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logotipo */
.logo {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 42px; /* Altura ideal para la cabecera de 80px */
  width: auto;
  display: block;
  transition: height var(--transition-normal);
}

.main-header.scrolled .logo-img {
  height: 32px; /* Se reduce en scroll */
}

/* Menú Escritorio */
.nav-menu-container {
  display: flex;
}

.nav-menu {
  display: flex;
  gap: 35px;
  list-style: none;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-secondary);
  padding: 10px 0;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--primary-color);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-fast);
}

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

.nav-link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Acciones cabecera */
.header-actions {
  display: flex;
  align-items: center;
  gap: 15px;
  z-index: 1100;
  flex-shrink: 0;
}

.header-social {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-social a {
  display: flex;
  align-items: center;
  color: var(--text-secondary);
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.header-social a:hover {
  color: var(--primary-color);
  transform: scale(1.08);
}

/* Reproductor de Audio Flotante en Cabecera */
.audio-toggle-btn {
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.25);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
  padding: 0;
}

.audio-toggle-btn:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  transform: scale(1.08);
}

/* Menú hamburguesa móvil */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 22px;
  height: 14px;
  z-index: 1200;
  flex-shrink: 0;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  transition: all var(--transition-fast);
}

/* Hamburguesa activa */
.menu-toggle.active span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

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

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ==========================================================================
   3. HERO SLIDESHOW SECTION
   ========================================================================== */
.hero-slider {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 550px;
  background-color: #000000;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.slides-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.slide.active {
  opacity: 1;
}

/* Overlay degradado */
.hero-slider::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0.85) 100%);
  z-index: 2;
}

.slide-content {
  position: relative;
  z-index: 3;
  text-align: center;
  padding-top: var(--header-height);
  max-width: 800px;
}

.slide-title {
  font-family: var(--font-title);
  font-size: 4rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 5px;
  color: var(--text-primary);
  margin-bottom: 10px;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.8);
}

.slide-desc {
  font-family: var(--font-body);
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--text-secondary);
  letter-spacing: 2px;
  margin-bottom: 40px;
  text-transform: uppercase;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
}

/* Dots del control del slider */
.slider-dots {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  display: flex;
  gap: 15px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.dot.active {
  background-color: var(--primary-color);
  transform: scale(1.3);
}

/* ==========================================================================
   4. BIOGRAPHY SECTION
   ========================================================================== */
.biography-section {
  position: relative;
  padding: 100px 0;
  background-color: var(--bg-secondary);
  z-index: 11;
  overflow: hidden;
}

.bio-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}

.bio-text-container {
  position: relative;
  z-index: 2;
}

.bio-paragraphs {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
  text-align: justify;
}

.bio-paragraphs p {
  margin-bottom: 20px;
}

.bio-paragraphs strong {
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1.1rem;
}

.bio-image-container {
  display: flex;
  justify-content: center;
  position: relative;
  z-index: 2;
}

.image-wrapper {
  position: relative;
  width: 100%;
  max-width: 360px;
}

.bio-slideshow {
  position: relative;
  width: 100%;
  aspect-ratio: 400 / 610;
  overflow: hidden;
  border-radius: 2px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.7);
  z-index: 2;
}

.bio-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.bio-slide.active {
  opacity: 1;
}

/* Marco elegante dorado overlapping */
.frame-border {
  position: absolute;
  top: 15px;
  left: 15px;
  width: 100%;
  height: 100%;
  border: 1px solid var(--primary-color);
  z-index: 1;
  pointer-events: none;
  transition: transform var(--transition-normal);
}

.image-wrapper:hover .frame-border {
  transform: translate(-5px, -5px);
}

/* ==========================================================================
   5. MUSIC SECTION & CUSTOM AUDIO PLAYER
   ========================================================================== */
.music-section {
  position: relative;
  padding: 100px 0;
  background-color: var(--bg-primary);
  z-index: 12;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.music-player-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: stretch;
  margin-top: 50px;
}

/* Contenedor del Reproductor Estilizado */
.player-container {
  background: rgba(18, 18, 18, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(197, 168, 128, 0.15);
  border-radius: 4px;
  padding: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
}

.player-cover-wrap {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--primary-color);
  margin-bottom: 25px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
  position: relative;
  animation: rotateDisk 20s linear infinite;
  animation-play-state: paused;
}

.player-cover-wrap.playing {
  animation-play-state: running;
}

.player-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@keyframes rotateDisk {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.player-details {
  margin-bottom: 25px;
}

.track-title {
  font-family: var(--font-title);
  font-size: 1.5rem;
  color: var(--text-primary);
  margin-bottom: 5px;
}

.track-album {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--primary-color);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

/* Barra de progreso interactiva */
.progress-bar-container {
  width: 100%;
  height: 4px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  margin-bottom: 10px;
  cursor: pointer;
  position: relative;
}

.progress-bar {
  width: 0%;
  height: 100%;
  background-color: var(--primary-color);
  border-radius: 2px;
  position: relative;
  transition: width 0.1s linear;
}

.progress-handle {
  position: absolute;
  top: 50%;
  right: -5px;
  transform: translateY(-50%);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--primary-color);
  box-shadow: 0 0 10px var(--primary-color);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

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

.time-display {
  display: flex;
  justify-content: space-between;
  width: 100%;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 30px;
}

/* Controles de reproducción */
.player-controls {
  display: flex;
  align-items: center;
  gap: 30px;
}

.player-btn {
  color: var(--text-secondary);
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.player-btn:hover {
  color: var(--primary-color);
}

.btn-play {
  background-color: var(--primary-color);
  color: #000000;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(197, 168, 128, 0.3);
}

.btn-play:hover {
  background-color: var(--primary-hover);
  transform: scale(1.08);
  color: #000000;
}

/* Playlist */
.playlist-container {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.playlist-header {
  font-family: var(--font-title);
  font-size: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 20px;
  color: var(--text-primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 10px;
}

.playlist-tracks {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.track-item {
  display: flex;
  align-items: center;
  padding: 15px 20px;
  background-color: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.03);
  border-radius: 2px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.track-item:hover {
  border-color: rgba(197, 168, 128, 0.3);
  transform: translateX(3px);
}

.track-item.active {
  border-color: var(--primary-color);
  background-color: rgba(197, 168, 128, 0.05);
}

.track-number {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary-color);
  width: 30px;
}

.track-info {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.track-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.track-item.active .track-name {
  color: var(--primary-color);
}

.track-author {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
  margin-top: 3px;
}

.track-length {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.4);
}

/* Pistas inhabilitadas temporalmente */
.track-item.disabled {
  opacity: 0.55;
  cursor: default;
}

.track-item.disabled:hover {
  border-color: rgba(255, 255, 255, 0.03);
  transform: none;
}

.track-item.disabled .track-number {
  color: rgba(255, 255, 255, 0.3);
}

/* ==========================================================================
   6. STORE SECTION
   ========================================================================== */
.store-section {
  position: relative;
  padding: 100px 0;
  background-color: var(--bg-secondary);
  z-index: 13;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.store-intro {
  max-width: 600px;
  margin: 0 auto 50px auto;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.store-grid {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-bottom: 50px;
}

.album-card {
  background-color: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  padding: 20px;
  width: 100%;
  max-width: 240px;
  text-align: center;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
  transition: all var(--transition-fast);
}

.album-card:hover {
  border-color: var(--primary-color);
  transform: translateY(-5px);
}

.album-cover-container {
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 2px;
  margin-bottom: 15px;
}

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

.album-card:hover .album-img {
  transform: scale(1.05);
}

.album-title {
  font-family: var(--font-title);
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: 5px;
}

.album-year {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
}

.itunes-widget {
  margin-top: 30px;
}

.itunes-badge {
  width: 160px;
  height: auto;
  transition: transform var(--transition-fast), filter var(--transition-fast);
  filter: grayscale(20%);
}

.itunes-badge:hover {
  transform: scale(1.05);
  filter: grayscale(0%);
}

/* ==========================================================================
   7. FOOTER & CONTACT
   ========================================================================== */
.main-footer {
  background-color: #000000;
  padding: 80px 0 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.85rem;
  color: var(--text-secondary);
  position: relative;
  z-index: 14;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 50px;
  padding-bottom: 50px;
}

.footer-logo {
  display: inline-block;
  margin-bottom: 15px;
}

.footer-logo-img {
  height: 80px;
  width: auto;
  display: block;
}

.footer-tagline {
  max-width: 320px;
  line-height: 1.6;
}

.footer-contact h3 {
  font-family: var(--font-title);
  font-size: 1.15rem;
  text-transform: uppercase;
  color: var(--text-primary);
  letter-spacing: 1.5px;
  margin-bottom: 20px;
}

.footer-contact p {
  margin-bottom: 10px;
}

.contact-highlight a {
  color: var(--primary-color);
  font-weight: 600;
  font-size: 1rem;
}

.contact-highlight a:hover {
  color: var(--primary-hover);
}

.footer-bottom {
  background-color: #050505;
  padding: 25px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.02);
  text-align: center;
  font-size: 0.75rem;
}

.footer-bottom-flex {
  display: flex;
  justify-content: center;
  align-items: center;
}

/* ==========================================================================
   8. RESPONSIVE DESIGN (Media Queries)
   ========================================================================== */

@media (max-width: 992px) {
  .title-large {
    font-size: 2.2rem;
  }
  
  .bio-grid {
    gap: 40px;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }

  .container {
    padding: 0 20px;
  }

  /* Cabecera Móvil */
  .logo-main {
    font-size: 1.5rem;
  }
  
  .logo-sub {
    font-size: 0.5rem;
  }

  .nav-menu-container {
    display: flex;
  }

  /* Hamburguesa visible */
  .menu-toggle {
    display: flex;
  }

  /* Menú desplegable móvil */
  .nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 260px;
    height: 100vh;
    background-color: #050505;
    flex-direction: column;
    padding: 100px 30px;
    gap: 25px;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    box-shadow: -5px 0 25px rgba(0, 0, 0, 0.5);
    z-index: 100;
  }

  .nav-menu.active {
    transform: translateX(0);
  }

  .header-social {
    display: none !important; /* Oculto de la cabecera en móvil */
  }

  .header-actions {
    gap: 12px;
  }

  /* Hero responsive */
  .slide-title {
    font-size: 2.5rem;
  }

  .slide-desc {
    font-size: 0.95rem;
    margin-bottom: 30px;
  }

  /* Biografía */
  .bio-grid {
    grid-template-columns: 1fr;
    gap: 45px;
  }

  .bio-image-container {
    order: -1; /* Muestra la foto antes del texto en móvil */
  }

  /* Música y Reproductor */
  .music-player-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  /* Tienda */
  .store-grid {
    flex-wrap: wrap;
    gap: 25px;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .footer-logo {
    margin: 0 auto 15px auto;
    display: inline-block;
  }

  .footer-logo-img {
    margin: 0 auto;
  }

  .footer-tagline {
    margin: 0 auto;
  }
}

@media (max-width: 480px) {
  .hero-slider {
    height: auto;
    min-height: 480px;
    padding: 100px 0 60px 0;
  }

  .slide-title {
    font-size: 2.2rem;
  }

  .slide-desc {
    font-size: 0.85rem;
    margin-bottom: 25px;
  }

  .btn-slider {
    padding: 10px 24px;
    font-size: 0.8rem;
  }

  .title-large {
    font-size: 1.8rem;
  }

  .player-container {
    padding: 25px;
  }

  .player-cover-wrap {
    width: 140px;
    height: 140px;
  }

  .track-title {
    font-size: 1.25rem;
  }
}