/* ==========================================================================
   EDUMYMUSIC S.A.S. · MODELO 1 EDITORIAL AWWWARDS
   Paleta: Negro Vinilo (#0C0D12), Índigo Escénico (#6366F1, #818CF8),
           Blanco Perla (#F8FAFC), Coral Sonoro (#F43F5E).
   Cero emojis · Iconos técnicos SVG de trazo limpio · Scrollytelling
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. TIPOGRAFÍAS LOCALES (WOFF2)
   -------------------------------------------------------------------------- */
@font-face {
  font-family: 'Instrument Serif';
  src: url('fonts/instrument-serif-400-italic.woff2') format('woff2');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: 'Inter Tight';
  src: url('fonts/inter-tight-700-normal.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Inter Tight';
  src: url('fonts/inter-tight-800-normal.woff2') format('woff2');
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Inter';
  src: url('fonts/inter-400-normal.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Inter';
  src: url('fonts/inter-500-normal.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Inter';
  src: url('fonts/inter-600-normal.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

/* --------------------------------------------------------------------------
   2. VARIABLES Y RESET GENERAL
   -------------------------------------------------------------------------- */
:root {
  --bg-black: #0C0D12;
  --bg-black-deep: #07080B;
  --bg-surface: #12141D;
  --bg-card: #181A26;
  --bg-card-hover: #1F2232;
  
  --indigo-primary: #6366F1;
  --indigo-light: #818CF8;
  --indigo-glow: rgba(99, 102, 241, 0.25);

  --coral-accent: #F43F5E;
  --coral-glow: rgba(244, 63, 94, 0.35);

  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --text-dim: #475569;

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.16);
  --border-active: rgba(99, 102, 241, 0.5);

  --font-display: 'Inter Tight', -apple-system, sans-serif;
  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --container-max: 1380px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 9999px;
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  background-color: var(--bg-black);
  color: var(--text-primary);
  font-family: var(--font-sans);
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
  line-height: 1.6;
  background-color: var(--bg-black);
  background-image: 
    radial-gradient(ellipse at 15% 10%, rgba(99, 102, 241, 0.09) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 60%, rgba(244, 63, 94, 0.05) 0%, transparent 60%);
  background-attachment: fixed;
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* --------------------------------------------------------------------------
   3. DEMO BAR REQUERIDO OBLIGATORIO (SimCodec)
   -------------------------------------------------------------------------- */
.demo-bar {
  background: #08090E;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  padding: 10px 24px;
  position: relative;
  z-index: 100;
  font-size: 0.8125rem;
}

.demo-bar-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.demo-bar-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--text-secondary);
}

.demo-bar-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.35);
  color: var(--indigo-light);
  padding: 3px 9px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.demo-bar-tag svg {
  width: 12px;
  height: 12px;
}

.demo-bar-notice strong {
  color: var(--text-primary);
  font-weight: 600;
}

.demo-bar-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--indigo-light);
  font-weight: 500;
  transition: color var(--transition-fast);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.demo-bar-link:hover {
  color: #fff;
}

.demo-bar-link svg {
  width: 12px;
  height: 12px;
}

.demo-bar-models {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.model-pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 11px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.model-pill:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

.model-pill.active {
  background: var(--indigo-primary);
  color: #ffffff;
  border-color: var(--indigo-primary);
  box-shadow: 0 0 14px rgba(99, 102, 241, 0.45);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   4. HEADER EDITORIAL INSTITUCIONAL
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(12, 13, 18, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition-smooth), border-color var(--transition-smooth);
}

.site-header.scrolled {
  background: rgba(10, 11, 16, 0.95);
  border-bottom-color: rgba(99, 102, 241, 0.2);
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 28px;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-logo-link {
  display: flex;
  align-items: center;
}

.brand-logo {
  height: 38px;
  width: auto;
  object-fit: contain;
  filter: brightness(1.05);
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  font-family: var(--font-sans);
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10B981;
  box-shadow: 0 0 8px #10B981;
  animation: pulseGreen 2.4s infinite;
}

@keyframes pulseGreen {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition-fast);
  position: relative;
  padding: 6px 0;
}

.nav-idx {
  font-size: 0.7rem;
  font-family: var(--font-display);
  color: var(--indigo-light);
  opacity: 0.8;
}

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

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

.btn-sound-toggle {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.btn-sound-toggle:hover {
  background: rgba(99, 102, 241, 0.12);
  border-color: rgba(99, 102, 241, 0.4);
  color: var(--text-primary);
}

.btn-sound-toggle.playing {
  border-color: var(--coral-accent);
  color: var(--coral-accent);
  background: rgba(244, 63, 94, 0.1);
}

.sound-bars {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 12px;
}

.sound-bar {
  width: 2px;
  background: currentColor;
  height: 4px;
  border-radius: 1px;
  transition: height 0.15s ease;
}

.btn-sound-toggle.playing .sound-bar:nth-child(1) { animation: soundWave 0.8s infinite ease-in-out alternate; }
.btn-sound-toggle.playing .sound-bar:nth-child(2) { animation: soundWave 1.1s infinite ease-in-out alternate 0.2s; }
.btn-sound-toggle.playing .sound-bar:nth-child(3) { animation: soundWave 0.7s infinite ease-in-out alternate 0.4s; }

@keyframes soundWave {
  0% { height: 3px; }
  100% { height: 12px; }
}

.btn-cta-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--indigo-primary) 0%, #4F46E5 100%);
  color: #ffffff;
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  box-shadow: 0 4px 18px var(--indigo-glow);
  transition: all var(--transition-fast);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.btn-cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.5);
  background: linear-gradient(135deg, #7175f5 0%, #5850ec 100%);
}

.btn-cta-primary svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}

.btn-cta-primary:hover svg {
  transform: translateX(3px);
}

/* --------------------------------------------------------------------------
   5. HERO MONUMENTAL EDITORIAL
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  padding: 80px 0 100px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
}

.hero-meta-kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.hero-kicker-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  background: rgba(244, 63, 94, 0.1);
  border: 1px solid rgba(244, 63, 94, 0.3);
  color: var(--coral-accent);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-kicker-tag svg {
  width: 12px;
  height: 12px;
}

.hero-kicker-location {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-family: var(--font-sans);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5.5vw, 4.8rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.035em;
  margin-bottom: 28px;
  color: var(--text-primary);
}

.hero-title .title-italic {
  font-family: var(--font-serif);
  font-weight: 400;
  font-style: italic;
  color: var(--indigo-light);
  letter-spacing: -0.01em;
  display: inline-block;
}

.hero-title .title-accent {
  background: linear-gradient(135deg, #ffffff 30%, var(--indigo-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 580px;
  margin-bottom: 36px;
}

.hero-lead strong {
  color: var(--text-primary);
  font-weight: 600;
}

.hero-actions-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.btn-secondary svg {
  width: 15px;
  height: 15px;
}

.hero-metrics-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-top: 28px;
  border-top: 1px solid var(--border-subtle);
}

.hero-metric-item {
  display: flex;
  flex-direction: column;
}

.hero-metric-num {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.1;
  display: flex;
  align-items: baseline;
  gap: 3px;
}

.hero-metric-unit {
  font-size: 1rem;
  color: var(--indigo-light);
}

.hero-metric-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Hero Visual & Wave Canvas */
.hero-visual-card {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.hero-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-subtle);
}

.hero-card-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--indigo-light);
}

.card-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--coral-accent);
  box-shadow: 0 0 10px var(--coral-accent);
}

.hero-card-freq {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: monospace;
}

.canvas-container {
  position: relative;
  width: 100%;
  height: 200px;
  background: #090A0F;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.05);
  overflow: hidden;
  margin-bottom: 20px;
}

#soundWaveCanvas {
  width: 100%;
  height: 100%;
  display: block;
}

.canvas-overlay-ctrls {
  position: absolute;
  bottom: 12px;
  left: 12px;
  right: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(18, 20, 29, 0.75);
  backdrop-filter: blur(8px);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
}

.canvas-label {
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.canvas-freq-selector {
  display: flex;
  gap: 6px;
}

.freq-btn {
  padding: 3px 8px;
  font-size: 0.68rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  color: var(--text-muted);
  border: 1px solid transparent;
  transition: all var(--transition-fast);
}

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

.freq-btn.active {
  background: var(--indigo-primary);
  color: #fff;
  border-color: var(--indigo-primary);
}

.hero-image-reel {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 230px;
}

.hero-image-reel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-visual-card:hover .hero-image-reel img {
  transform: scale(1.04);
}

.hero-image-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px 16px 12px;
  background: linear-gradient(to top, rgba(12, 13, 18, 0.95), transparent);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
}

.caption-stage {
  color: #fff;
  font-weight: 600;
}

.caption-date {
  color: var(--coral-accent);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   6. SECCIÓN 01: MANIFIESTO MUSICAL & METODOLOGÍA
   -------------------------------------------------------------------------- */
.section-manifesto {
  padding: 120px 0;
  border-top: 1px solid var(--border-subtle);
  position: relative;
}

.section-badge-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.section-num {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--indigo-light);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.section-line {
  height: 1px;
  width: 48px;
  background: var(--border-medium);
}

.section-heading-editorial {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.8vw, 3.4rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  max-width: 980px;
  margin-bottom: 40px;
}

.heading-serif-quote {
  font-family: var(--font-serif);
  font-weight: 400;
  font-style: italic;
  color: var(--indigo-light);
}

.manifesto-statement {
  font-size: 1.25rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 860px;
  margin-bottom: 70px;
}

.manifesto-statement strong {
  color: var(--text-primary);
  font-weight: 600;
}

.steps-methodology-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.step-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  position: relative;
  transition: all var(--transition-smooth);
}

.step-card:hover {
  border-color: var(--border-active);
  transform: translateY(-4px);
  background: var(--bg-card);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
}

.step-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.step-index-pill {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--indigo-light);
  background: rgba(99, 102, 241, 0.1);
  padding: 3px 9px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(99, 102, 241, 0.25);
}

.step-icon-wrap {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
}

.step-icon-wrap svg {
  width: 18px;
  height: 18px;
}

.step-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.step-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.step-badge-tag {
  display: inline-block;
  margin-top: 16px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--coral-accent);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   7. SECCIÓN 02: CATÁLOGO DE 12 PROGRAMAS MUSICALES
   -------------------------------------------------------------------------- */
.section-programs {
  padding: 120px 0;
  background: linear-gradient(180deg, var(--bg-black) 0%, #0E1018 50%, var(--bg-black) 100%);
  border-top: 1px solid var(--border-subtle);
}

.programs-header-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 50px;
  flex-wrap: wrap;
}

.programs-filter-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 7px 16px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

.filter-btn.active {
  background: var(--indigo-primary);
  color: #fff;
  border-color: var(--indigo-primary);
  box-shadow: 0 0 12px var(--indigo-glow);
}

.programs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.program-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-smooth);
}

.program-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--indigo-primary), var(--coral-accent));
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.program-card:hover {
  transform: translateY(-5px);
  border-color: rgba(99, 102, 241, 0.35);
  background: var(--bg-card);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
}

.program-card:hover::after {
  opacity: 1;
}

.program-top-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.program-code {
  font-family: monospace;
  font-size: 0.72rem;
  color: var(--indigo-light);
  letter-spacing: 0.08em;
}

.program-audience {
  font-size: 0.72rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.04);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}

.program-title {
  font-family: var(--font-display);
  font-size: 1.28rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  line-height: 1.25;
}

.program-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}

.program-features-list {
  list-style: none;
  margin-bottom: 24px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 16px;
}

.program-features-list li {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.program-features-list li svg {
  width: 14px;
  height: 14px;
  color: var(--coral-accent);
  flex-shrink: 0;
}

.program-footer-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
}

.program-loan-tag {
  font-size: 0.72rem;
  color: #10B981;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
}

.program-loan-tag svg {
  width: 12px;
  height: 12px;
}

.program-action-link {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--indigo-light);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition-fast);
}

.program-action-link:hover {
  gap: 8px;
  color: #fff;
}

/* --------------------------------------------------------------------------
   8. SECCIÓN 03: SIMULADOR DE RUTA DE APRENDIZAJE INTERACTIVO
   -------------------------------------------------------------------------- */
.section-simulator {
  padding: 100px 0;
  border-top: 1px solid var(--border-subtle);
  position: relative;
}

.simulator-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 44px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
}

.simulator-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.simulator-ctrl-group {
  margin-bottom: 24px;
}

.simulator-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--indigo-light);
  margin-bottom: 12px;
}

.choice-pills-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.choice-pill {
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.825rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.choice-pill:hover {
  border-color: rgba(255, 255, 255, 0.25);
  color: #fff;
}

.choice-pill.selected {
  background: var(--indigo-primary);
  border-color: var(--indigo-primary);
  color: #fff;
  box-shadow: 0 0 14px var(--indigo-glow);
}

.simulator-result-card {
  background: #090A10;
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: var(--radius-md);
  padding: 32px;
  position: relative;
}

.sim-result-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: rgba(244, 63, 94, 0.15);
  border: 1px solid rgba(244, 63, 94, 0.3);
  color: var(--coral-accent);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.sim-result-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.sim-result-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 24px;
}

.sim-timeline-stages {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding-bottom: 24px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-subtle);
}

.stage-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 10px;
  text-align: center;
}

.stage-time {
  font-size: 0.7rem;
  font-family: monospace;
  color: var(--indigo-light);
  display: block;
}

.stage-goal {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 4px;
}

.sim-cta-wrap {
  display: flex;
  justify-content: flex-start;
}

/* --------------------------------------------------------------------------
   9. SECCIÓN 04: SHOWCASE DE CONCIERTOS EN ESCENA REAL
   -------------------------------------------------------------------------- */
.section-showcase {
  padding: 120px 0;
  border-top: 1px solid var(--border-subtle);
  background: #090A0E;
}

.showcase-header {
  margin-bottom: 50px;
}

.gallery-editorial-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 28px;
  margin-bottom: 28px;
}

.gallery-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
}

.gallery-card.featured {
  min-height: 480px;
}

.gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-card:hover img {
  transform: scale(1.03);
}

.gallery-overlay-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 30px;
  background: linear-gradient(to top, rgba(10, 11, 16, 0.95) 0%, rgba(10, 11, 16, 0.5) 60%, transparent 100%);
}

.gallery-tag {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--coral-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
  display: inline-block;
}

.gallery-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}

.gallery-sub {
  font-size: 0.84rem;
  color: var(--text-secondary);
}

.gallery-sub-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.gallery-card.thumb {
  height: 250px;
}

/* --------------------------------------------------------------------------
   10. SECCIÓN 05: PREGUNTAS FRECUENTES TÉCNICAS Y EDITORIALES
   -------------------------------------------------------------------------- */
.section-faq {
  padding: 100px 0;
  border-top: 1px solid var(--border-subtle);
}

.faq-layout-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
}

.faq-intro-col {
  position: sticky;
  top: 120px;
  height: fit-content;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-accordion-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-accordion-item.open {
  border-color: rgba(99, 102, 241, 0.35);
}

.faq-accordion-btn {
  width: 100%;
  padding: 22px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  background: transparent;
  transition: color var(--transition-fast);
}

.faq-accordion-btn:hover {
  color: var(--indigo-light);
}

.faq-accordion-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-left: 16px;
  transition: transform var(--transition-fast);
  color: var(--indigo-light);
}

.faq-accordion-item.open .faq-accordion-icon {
  transform: rotate(180deg);
  color: var(--coral-accent);
}

.faq-accordion-body {
  padding: 0 24px 22px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
  display: none;
}

.faq-accordion-item.open .faq-accordion-body {
  display: block;
}

/* --------------------------------------------------------------------------
   11. SECCIÓN 06: AGENDADOR DE CLASE DEMO INTERACTIVO
   -------------------------------------------------------------------------- */
.section-demo-booking {
  padding: 120px 0;
  background: linear-gradient(180deg, var(--bg-black) 0%, #11131C 100%);
  border-top: 1px solid var(--border-subtle);
  position: relative;
}

.booking-card-main {
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 56px;
  position: relative;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6), 0 0 50px rgba(99, 102, 241, 0.08);
  overflow: hidden;
}

.booking-header-text {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}

.booking-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.booking-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
}

.booking-form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 820px;
  margin: 0 auto;
}

.booking-field-full {
  grid-column: span 2;
}

.field-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.input-text, .input-select {
  width: 100%;
  padding: 14px 18px;
  background: #090A0F;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: all var(--transition-fast);
}

.input-text:focus, .input-select:focus {
  border-color: var(--indigo-primary);
  box-shadow: 0 0 12px var(--indigo-glow);
}

.input-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23818CF8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 16px;
}

.booking-actions-row {
  grid-column: span 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-top: 12px;
}

.btn-booking-submit {
  width: 100%;
  max-width: 440px;
  padding: 16px 28px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--coral-accent) 0%, #E11D48 100%);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: 0 8px 30px var(--coral-glow);
  transition: all var(--transition-fast);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-booking-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(244, 63, 94, 0.55);
}

.btn-booking-submit svg {
  width: 18px;
  height: 18px;
}

.booking-disclaimer {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
}

/* --------------------------------------------------------------------------
   12. FOOTER INSTITUCIONAL & SIMCODEC DEMO NOTICE
   -------------------------------------------------------------------------- */
.site-footer {
  background: #07080B;
  border-top: 1px solid var(--border-subtle);
  padding: 80px 0 40px;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand-col p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-top: 16px;
  max-width: 320px;
}

.footer-col-title {
  font-family: var(--font-display);
  font-size: 0.84rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links-list a {
  font-size: 0.84rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-links-list a:hover {
  color: var(--indigo-light);
}

.footer-contact-info {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.84rem;
  color: var(--text-secondary);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.footer-contact-item svg {
  width: 16px;
  height: 16px;
  color: var(--indigo-light);
  margin-top: 3px;
  flex-shrink: 0;
}

/* Footer SimCodec Notice Obligatorio */
.footer-demo-notice-box {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-notice-left {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.footer-notice-left strong {
  color: var(--text-primary);
}

.footer-notice-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--indigo-light);
  border-bottom: 1px solid rgba(99, 102, 241, 0.4);
  padding-bottom: 2px;
  transition: color var(--transition-fast);
}

.footer-notice-btn:hover {
  color: #fff;
  border-color: #fff;
}

.footer-bottom-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-subtle);
  padding-top: 28px;
  font-size: 0.75rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 16px;
}

/* --------------------------------------------------------------------------
   13. RESPONSIVE DESIGN (DESKTOP 1440x900 & MOBILE 390x844)
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .steps-methodology-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .programs-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .simulator-grid {
    grid-template-columns: 1fr;
  }

  .gallery-editorial-grid {
    grid-template-columns: 1fr;
  }

  .faq-layout-grid {
    grid-template-columns: 1fr;
  }

  .faq-intro-col {
    position: static;
  }

  .footer-top-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

  .main-nav {
    display: none;
  }

  .hero-section {
    padding: 50px 0 70px;
  }

  .hero-metrics-strip {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .steps-methodology-grid {
    grid-template-columns: 1fr;
  }

  .programs-grid {
    grid-template-columns: 1fr;
  }

  .gallery-sub-grid {
    grid-template-columns: 1fr;
  }

  .booking-card-main {
    padding: 32px 20px;
  }

  .booking-form-grid {
    grid-template-columns: 1fr;
  }

  .booking-field-full {
    grid-column: span 1;
  }

  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .demo-bar-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .demo-bar-models {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }
}