/* ============================================================
   Maestruli — Estilos Base y Componentes
   NOTA: El sistema de diseño ahora vive en tokens.css
   ============================================================ */
/* --- Reset --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: opacity var(--transition);
}

a:hover {
  opacity: 0.8;
}

/* --- Header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(26, 24, 22, 0.85); /* --surface-page (#1a1816) + alpha */
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: var(--text-md);
  color: var(--text);
}

.logo:hover {
  opacity: 1;
  color: var(--accent);
}

.logo-icon {
  font-size: var(--text-lg); /* era 1.4rem=22.4px → 22px */
}

.nav-links {
  display: flex;
  gap: 1.5rem;
}

.nav-links a {
  color: var(--text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: color var(--transition);
}

.nav-links a:hover {
  color: var(--accent);
  opacity: 1;
}

/* --- Main --- */
.main-content {
  flex: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
  width: 100%;
}

/* --- Scale Page --- */
.scale-page {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

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

.scale-title {
  font-size: var(--text-2xl); /* 36px — resuelto Fase 1 */
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--text) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.mood-tags {
  font-size: var(--text-base);
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 1rem;
}

/* Tension badge */
.tension-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.8rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
}

.tension-label {
  color: var(--text-muted);
  font-weight: 500;
}

.tension-bar {
  width: 60px;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.tension-fill {
  display: block;
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.6s ease;
}

.tension-value {
  font-family: var(--font-mono);
  color: var(--accent);
  font-weight: 500;
}

/* --- Tone Selector --- */
.tone-selector {
  text-align: center;
}

.tone-selector-label {
  font-size: var(--text-sm);
  color: var(--text-muted);
  font-weight: 500;
  margin-right: 0.5rem;
}

.tone-selector-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  justify-content: center;
  margin-top: 0.5rem;
}

.tone-chip.tone-chip-active {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
  font-weight: 600;
}

/* --- Piano Section --- */
.piano-section {
  display: flex;
  justify-content: center;
}

#piano-container {
  width: 100%;
  max-width: 600px;
}

#piano-container svg {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 4px 24px rgba(0, 0, 0, 0.4));
  border-radius: var(--radius-md);
  overflow: hidden;
}

/* Piano key hover via CSS class */
.piano-key.hover {
  opacity: 0.7;
}

.piano-key-white.hover:not(.active) {
  fill: var(--key-active); /* lima fallback eliminado */
}

.piano-key-black.hover:not(.active) {
  fill: var(--key-active); /* lima fallback eliminado */
}

/* --- Notes Display --- */
.section-title {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.notes-display {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.note-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3rem;
  padding: 0.5rem 0.75rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--accent);
  transition: all var(--transition);
}

.note-pill:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
  transform: translateY(-2px);
}

/* --- Genres --- */
.genres {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.genre-bar-container {
  display: grid;
  grid-template-columns: 80px 1fr 40px;
  align-items: center;
  gap: 0.75rem;
}

.genre-name {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-muted);
  text-align: right;
}

.genre-bar {
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.genre-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-primary-strong)); /* A.1 lima → borgoña */
  border-radius: 4px;
  transition: width 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.genre-value {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/* --- Play Button --- */
.play-section {
  display: flex;
  justify-content: center;
}

.play-button {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 2rem;
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.play-button:hover {
  background: var(--accent);
  color: var(--bg);
  transform: scale(1.04);
  box-shadow: 0 0 24px var(--key-active-glow);
}

.play-button:active {
  transform: scale(0.98);
}

.play-button.loading {
  opacity: 0.6;
  cursor: wait;
}

.play-button.playing {
  background: var(--accent);
  color: var(--bg);
  animation: pulse-glow 1s ease infinite alternate;
}

.play-icon {
  font-size: var(--text-sm);
}

@keyframes pulse-glow {
  from {
    box-shadow: 0 0 8px var(--key-active-glow);
  }

  to {
    box-shadow: 0 0 24px var(--key-active-glow);
  }
}

/* --- Diatonic Chords --- */
.diatonic-chords-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 0.75rem;
}

.diatonic-chord-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 0.75rem 0.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.diatonic-chord-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.diatonic-degree {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  color: var(--text-muted);
}

.diatonic-name {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--accent);
}

a.diatonic-name:hover {
  opacity: 0.8;
}

.diatonic-quality {
  font-size: var(--text-2xs);
  color: var(--text-muted);
}

.diatonic-function {
  font-size: var(--text-2xs);
  color: var(--text-muted);
  font-style: italic;
}

/* --- Related Items --- */
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.75rem;
}

.related-card {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
  transition: all var(--transition);
}

.related-card:hover {
  background: var(--bg-surface-hover);
  border-color: var(--accent);
  transform: translateY(-2px);
  opacity: 1;
}

.related-name {
  font-weight: 600;
  font-size: var(--text-base);
}

.related-card:hover .related-name {
  color: var(--accent);
}

.related-mood {
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-style: italic;
}

/* --- FAQ --- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

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

.faq-item[open] {
  border-color: var(--accent);
}

.faq-question {
  padding: 1rem 1.25rem;
  font-weight: 600;
  font-size: var(--text-base);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text);
  transition: color var(--transition);
}

.faq-question::before {
  content: "▸";
  color: var(--accent);
  font-size: var(--text-xs);
  transition: transform var(--transition);
}

.faq-item[open] .faq-question::before {
  transform: rotate(90deg);
}

.faq-question:hover {
  color: var(--accent);
}

.faq-answer {
  padding: 0 1.25rem 1rem;
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.7;
}

/* Remove default marker */
.faq-question::-webkit-details-marker {
  display: none;
}

/* --- Chord Page --- */
.chord-page {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

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

.chord-title {
  font-size: var(--text-2xl); /* era 2.2rem=35.2px → 36px */
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
  background: linear-gradient(135deg, var(--text) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.chord-subtitle {
  font-size: var(--text-base);
  color: var(--text-muted);
  margin-bottom: 1rem;
}

/* --- Appearances --- */
.appearances-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.6rem;
}

.appearance-card {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.75rem 1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  transition: all var(--transition);
}

.appearance-card:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
  opacity: 1;
}

.appearance-scale {
  font-weight: 500;
  font-size: var(--text-sm);
}

.appearance-card:hover .appearance-scale {
  color: var(--accent);
}

.appearance-detail {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/* --- Progression Page --- */
.progression-page {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

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

.progression-name {
  font-size: var(--text-md);
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

/* Chord flow */
.prog-chords-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.prog-chord-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  padding: 1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  min-width: 100px;
  transition: all var(--transition);
}

.prog-chord-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.prog-chord-degree {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  color: var(--text-muted);
}

.prog-chord-name {
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--accent);
}

a.prog-chord-name:hover {
  opacity: 0.8;
}

.prog-chord-function {
  font-size: var(--text-2xs);
  color: var(--text-muted);
  font-style: italic;
}

.prog-arrow {
  font-size: var(--text-md);
  color: var(--text-muted);
  font-weight: 300;
}

/* Tension arc */
.tension-arc-visual {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 0.5rem;
  height: 120px;
  padding: 0 1rem;
}

.tension-arc-bar {
  flex: 1;
  max-width: 80px;
  background: linear-gradient(to top, var(--accent-primary), var(--accent-primary-strong)); /* A.1 lima → borgoña */
  border-radius: var(--radius-sm) var(--radius-sm) 0 0; /* resuelto Fase 1 */
  position: relative;
  min-height: 8px;
  transition: height 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.tension-arc-value {
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  color: var(--text-muted);
  white-space: nowrap;
}

/* Songs */
.songs-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.song-card {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.6rem 1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.song-title {
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--text);
}

.song-artist {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/* Hub songs */
.hub-songs {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.hub-song-ref {
  font-style: italic;
}

/* --- Footer --- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem;
}

.footer-container {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.footer-text {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/* --- Home Hero --- */
.home-hero {
  text-align: center;
  padding: 3rem 0 2rem;
}

.home-title {
  font-size: var(--text-3xl); /* era 3rem=48px */
  font-weight: 700;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--text) 0%, var(--accent) 60%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.home-subtitle {
  font-size: var(--text-md);
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.home-desc {
  font-size: var(--text-base);
  color: var(--text-muted);
  max-width: 480px;
  margin: 0 auto;
}

.home-section {
  margin-top: 1rem;
}

.home-intro {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

/* --- Scale Grid (Home) --- */
.scale-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}

.scale-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.25rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
  transition: all var(--transition);
}

.scale-card:hover {
  background: var(--bg-surface-hover);
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  opacity: 1;
}

.scale-card-title {
  font-size: var(--text-md);
  font-weight: 600;
  color: var(--text);
}

.scale-card:hover .scale-card-title {
  color: var(--accent);
}

.scale-card-mood {
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-style: italic;
}

.scale-card-notes {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--accent);
  opacity: 0.7;
}

.scale-card .tension-label {
  font-size: var(--text-2xs);
}

.scale-card .tension-bar {
  flex: 1;
  width: auto;
}

.scale-card .tension-badge,
.scale-card-tension {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--text-xs);
}

/* --- Scales Hub --- */
.hub-header {
  text-align: center;
  padding: 2rem 0 1rem;
}

.hub-title {
  font-size: var(--text-2xl); /* era 2.2rem=35.2px → 36px */
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--text) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.hub-subtitle {
  font-size: var(--text-base);
  color: var(--text-muted);
}

/* ===== Hubs rediseñados: tarjetas, sin muros de chips ===== */
.hub { max-width: 920px; margin: 0 auto; padding: 1.5rem 1.25rem 4rem; }
.hub-head { text-align: center; padding: 1.5rem 0 1.75rem; }
.hub-sub { font-size: var(--text-base); color: var(--text-muted); margin: 0.4rem 0 0; }
.hub-cards {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px;
}
.hub-card {
  display: flex; flex-direction: column; gap: 4px;
  background: var(--bg-surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 18px 18px 16px; text-decoration: none;
  transition: transform var(--duration-fast, .15s) var(--ease-out, ease),
              border-color var(--duration-fast, .15s) var(--ease-out, ease),
              box-shadow var(--duration-fast, .15s) var(--ease-out, ease);
}
.hub-card:hover { transform: translateY(-3px); border-color: var(--accent); box-shadow: var(--shadow-md, 0 6px 20px rgba(0,0,0,.3)); }
.hub-card-name { font-family: var(--font-display, Georgia), serif; font-size: 1.2rem; font-weight: 700; color: var(--text); }
.hub-card-chords { font-family: var(--font-mono, monospace); font-size: .8rem; color: var(--accent); }
.hub-card-mood { font-size: .82rem; color: var(--text-muted); font-style: italic; }
.section-intro { font-size: .92rem; line-height: 1.55; color: var(--text-muted); max-width: 70ch; margin: 0 0 1rem; }
.section-intro strong { color: var(--text); }
.hub-card-songs { font-size: .76rem; color: var(--accent); margin-top: 2px; }
.hub-card-go { margin-top: 8px; font-size: .8rem; font-weight: 600; color: var(--accent); }

/* Acordes: catálogo en grupos compactos */
.hub-chord-group { padding: 1.1rem 0; border-bottom: 1px solid var(--border); }
.hub-chord-group:last-child { border-bottom: none; }
.hub-group-name { font-family: var(--font-display, Georgia), serif; font-size: 1.05rem; margin: 0 0 10px; color: var(--text); }
.hub-chip-row { display: flex; flex-wrap: wrap; gap: 7px; }
.hub-chip {
  font-family: var(--font-mono, monospace); font-size: .82rem; font-weight: 600;
  background: var(--bg-surface); border: 1px solid var(--border); color: var(--text);
  border-radius: 8px; padding: 7px 12px; text-decoration: none;
  transition: border-color var(--duration-fast, .15s) var(--ease-out, ease), color var(--duration-fast, .15s) var(--ease-out, ease);
}
.hub-chip:hover { border-color: var(--accent); color: var(--accent); }

/* Switcher de idioma (ES ↔ EN) en el nav */
.lang-switch {
  font-family: var(--font-mono, monospace); font-size: .72rem; font-weight: 700;
  letter-spacing: .08em; text-decoration: none;
  border: 1px solid var(--border); border-radius: 6px;
  color: var(--text-muted); padding: 4px 8px;
  transition: border-color var(--duration-fast, .15s) var(--ease-out, ease), color var(--duration-fast, .15s) var(--ease-out, ease);
}
.lang-switch:hover { border-color: var(--accent); color: var(--accent); }

/* Home: atajos a la biblioteca (secundario, compacto) */
.home-explore { text-align: center; padding: 1rem 1.25rem 3rem; }
.home-explore-lbl { display: block; font-size: .8rem; color: var(--text-muted); margin-bottom: 12px; }
.home-explore-links { display: inline-flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.home-explore-links a {
  font-size: .92rem; font-weight: 600; color: var(--text); text-decoration: none;
  background: var(--bg-surface); border: 1px solid var(--border); border-radius: var(--radius-pill, 999px);
  padding: 9px 20px; transition: border-color var(--duration-fast, .15s) var(--ease-out, ease), color var(--duration-fast, .15s) var(--ease-out, ease);
}
.home-explore-links a:hover { border-color: var(--accent); color: var(--accent); }

.hub-scale-section {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}

.hub-scale-section:last-child {
  border-bottom: none;
}

.hub-scale-name {
  font-size: var(--text-md);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.hub-scale-section .mood-tags {
  margin-bottom: 0.75rem;
}

.tone-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tone-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3rem;
  padding: 0.4rem 0.75rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text);
  transition: all var(--transition);
}

.tone-chip:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
  opacity: 1;
}

/* --- Responsive --- */
@media (max-width: 640px) {
  .scale-title {
    font-size: var(--text-xl); /* 28px — resuelto Fase 1 */
  }

  .home-title {
    font-size: var(--text-2xl); /* 36px — resuelto Fase 1 */
  }

  .hub-title {
    font-size: var(--text-xl); /* 28px — resuelto Fase 1 */
  }

  .genre-bar-container {
    grid-template-columns: 60px 1fr 36px;
  }

  .nav-container {
    padding: 0.6rem 1rem;
  }

  .main-content {
    padding: 1.5rem 1rem 3rem;
  }

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

  .prog-chords-flow {
    flex-direction: column;
  }

  .prog-arrow {
    transform: rotate(90deg);
  }

  .diatonic-chords-grid {
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  }

  .chord-title {
    font-size: var(--text-xl); /* 28px — resuelto Fase 1 */
  }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================================
   Progression Player — Reproductor de loop
   ============================================================ */

.prog-player {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin: 1.5rem 0;
}

.prog-player-title {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.prog-player-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  justify-content: center;
}

.prog-play-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.4rem;
  background: var(--bg-surface);
  color: var(--accent);
  border: 1.5px solid var(--accent);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  min-width: 180px;
  justify-content: center;
}

.prog-play-button:hover {
  background: var(--accent-dim);
}

.prog-play-button.playing {
  background: var(--accent);
  color: var(--bg-surface);
  animation: pulse-glow 1.2s ease infinite alternate;
}

.prog-tempo-control {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.prog-tempo-control input[type="range"] {
  width: 120px;
  accent-color: var(--accent);
  cursor: pointer;
  background: transparent;
}

#prog-tempo-value {
  font-family: var(--font-mono);
  color: var(--accent);
  font-weight: 600;
  min-width: 65px;
  text-align: right;
}

.prog-pattern-control {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.prog-pattern-control select {
  appearance: none;
  background: var(--bg-surface) url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%2216%22%20height%3D%2216%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%232c2a28%22%20stroke-width%3D%222%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpolyline%20points%3D%226%209%2012%2015%2018%209%22%3E%3C%2Fpolyline%3E%3C%2Fsvg%3E") no-repeat right 10px center;
  background-size: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.4rem 2.2rem 0.4rem 0.8rem;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--text);
  cursor: pointer;
  outline: none;
  transition: border-color var(--transition);
}

.prog-pattern-control select:focus,
.prog-pattern-control select:hover {
  border-color: var(--accent);
}

.prog-status {
  text-align: center;
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-style: italic;
  min-height: 1.2em;
}

/* A.2: primera regla de .prog-playing eliminada — ver regla unificada más abajo */

.prog-chord-card {
  transition: all 0.15s ease;
}

@media (max-width: 640px) {
  .prog-player-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .prog-play-button {
    width: 100%;
  }

  .prog-tempo-control {
    justify-content: center;
  }
}

/* ============================================================
   AGREGAR ESTO AL FINAL DE site/assets/style.css
   (después del bloque de @media prefers-reduced-motion)
   ============================================================ */

/* --- Sección de improvisación --- */

.improv-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin: 1.5rem 0;
}

.improv-title {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.improv-subtitle {
  font-size: var(--text-sm);
  color: var(--text);
  margin-bottom: 0.5rem;
}

.improv-subtitle strong {
  color: var(--accent);
}

/* --- Selector de escala (modo sabio) --- */

.improv-selector {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.improv-selector-label {
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-weight: 500;
}

#improv-scale-select {
  padding: 0.6rem 0.9rem;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: border-color var(--transition);
  width: 100%;
  max-width: 500px;
}

#improv-scale-select:hover,
#improv-scale-select:focus {
  border-color: var(--accent);
  outline: none;
}

/* --- Info de la opción elegida --- */

.improv-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.improv-difficulty {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-pill);
  font-size: var(--text-2xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.improv-diff-easy {
  background: rgba(100, 255, 100, 0.15);
  color: #8eff8e;
  border: 1px solid rgba(100, 255, 100, 0.4);
}

.improv-diff-medium {
  background: var(--accent-warm-soft); /* A.1 lima → warm siena */
  color: var(--accent-warm);
  border: 1px solid var(--accent-warm);
}

.improv-diff-spicy {
  background: rgba(255, 120, 80, 0.15);
  color: #ff9870;
  border: 1px solid rgba(255, 120, 80, 0.4);
}

.improv-scale-name {
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--text);
}

.improv-tip {
  font-size: var(--text-sm);
  color: var(--text-muted);
  font-style: italic;
  line-height: 1.5;
  padding: 0.75rem 1rem;
  background: var(--accent-primary-soft); /* A.1 lima → borgoña soft */
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
}

/* --- Piano de improvisación --- */

#improv-piano-container {
  width: 100%;
  max-width: 700px;
  margin: 0 auto;
}

#improv-piano-container svg {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 4px 20px rgba(0, 0, 0, 0.4));
  border-radius: var(--radius-md);
  overflow: hidden;
}

/* Teclas interactivas */
.ipk {
  transition: fill 0.12s ease, opacity 0.12s ease;
}

.ipk:hover {
  opacity: 0.75;
}

.ipk-flash {
  opacity: 0.5 !important;
}

/* Leyenda de colores */

.improv-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  font-size: var(--text-xs);
  color: var(--text-muted);
  justify-content: center;
  margin-top: 0.25rem;
}

.improv-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

/* primera def de .improv-legend-swatch eliminada — canónica más abajo */


/* Responsive */
@media (max-width: 640px) {
  .improv-info {
    flex-direction: column;
    align-items: flex-start;
  }

  .improv-legend {
    font-size: var(--text-2xs);
  }
}

/* Leyenda de improvisación — colores alineados con --iv-* del piano */
.improv-legend-swatch {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: var(--radius-xs);
  margin-right: 6px;
  vertical-align: middle;
  border: 1px solid var(--border-subtle);
}
.improv-legend-swatch.swatch-root  { background: #d4e0b3; } /* = --iv-root */
.improv-legend-swatch.swatch-safe  { background: #b3e0d4; } /* = --iv-safe */
.improv-legend-swatch.swatch-scale { background: #f2dfa7; } /* = --iv-scale */

/* Mini-pianos en prog-chord-card — A3: primera def eliminada, segunda conservada */
.prog-chord-mini-piano {
    margin-top: 8px;
    line-height: 0;
}
.mini-piano-svg {
    width: 100%;
    max-width: 110px;
    border-radius: var(--radius-xs);
    transition: opacity var(--duration-fast) var(--ease-out),
                filter  var(--duration-fast) var(--ease-out);
    opacity: 0.55;
}
.mini-piano-active,
.prog-chord-card.prog-playing .mini-piano-svg {
    opacity: 1;
    filter: drop-shadow(0 0 6px var(--accent-primary-glow));
}

/* ============================================================
   AGREGAR ESTO AL FINAL de site/assets/style.css
   ============================================================
   Strip de acordes en contexto dentro de la sección de improvisación.
   Acompaña al usuario mientras improvisa — muestra qué acorde suena ahora.
   ============================================================ */

/* Contenedor de los mini-acordes de contexto */
.improv-chord-strip {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
    margin: 12px 0 20px;
    padding: 10px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Cada acorde individual */
.improv-chord-mini {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 6px 8px;
    border-radius: 6px;
    transition: background 0.2s ease, transform 0.2s ease;
    min-width: 70px;
}

.improv-chord-mini-name {
    font-family: var(--font-mono); /* A.6 */
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--text-muted); /* --muted no definido → --text-muted */
    transition: color 0.2s ease;
}

.improv-chord-mini-piano {
    line-height: 0;
}

.improv-chord-mini-piano .mini-piano-svg {
    width: 70px;
    opacity: 0.45;
    transition: opacity 0.2s ease, filter 0.2s ease;
}

/* ---- Estado activo — el acorde que suena ahora ---- */
.improv-chord-mini.improv-chord-active {
    background: var(--accent-primary-soft); /* A.7 lima → borgoña soft */
    transform: scale(1.05);
}

.improv-chord-mini.improv-chord-active .improv-chord-mini-name {
    color: var(--accent); /* lima fallback eliminado */
}

.improv-chord-mini.improv-chord-active .mini-piano-svg {
    opacity: 1;
    filter: drop-shadow(0 0 4px var(--accent)); /* lima fallback eliminado */
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
    .improv-chord-mini {
        min-width: 56px;
        padding: 4px;
    }
    .improv-chord-mini-piano .mini-piano-svg {
        width: 54px;
    }
    .improv-chord-strip {
        gap: 4px;
        padding: 6px;
    }
}

/* --- Vibe Coding & Animaciones Fluidas --- */

/* A.8: fill no es animable en HTML; una sola transición de filter */
.piano-key.active, .mini-key.mini-active {
  transition: filter var(--duration-slow) var(--ease-out);
  filter: drop-shadow(0 0 10px var(--accent-primary-glow));
}

@keyframes cardBeat {
  0% { transform: scale(1); }
  25% { transform: scale(0.96); }
  100% { transform: scale(1); }
}

/* A.2: regla unificada — tokens canónicos */
.prog-chord-card.prog-playing {
  border-color: var(--accent-primary);
  background: radial-gradient(circle at center, var(--accent-primary-soft) 0%, var(--surface-card) 80%);
  box-shadow: var(--shadow-active-halo);
  transform: translateY(-4px);
  animation: cardBeat var(--duration-slow) var(--ease-bounce);
  z-index: 10;
}

/* A.4: .ghost-control y .ghost-btn eliminados de style.css.
   La definición canónica vive en improv-redesign.css (usa var() limpiamente). */

/* A.7: .improv-key.ghost-flash — overrideado por injectStyles() en improv-piano.js */
.improv-key.ghost-flash {
    filter: brightness(1.6) drop-shadow(0 0 8px var(--accent-primary-glow));
    transform: translateY(2px);
    transition: filter var(--duration-instant) var(--ease-out),
                transform var(--duration-instant) var(--ease-out);
}

/* --- Strip de acordes editable --- */

.editable-chord {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 6px 6px 8px;
    border-radius: 6px;
    transition: background 0.2s ease, transform 0.2s ease, border 0.2s ease;
    border: 1px solid transparent;
    min-width: 90px;
}

.editable-chord.chord-modified {
    background: var(--accent-primary-soft); /* A.7 lima → borgoña soft */
    border-color: var(--accent-primary-soft);
}

.chord-sub-select {
    background: #0a0a0a;
    color: var(--accent); /* lima fallback eliminado */
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 4px 6px;
    border-radius: 4px;
    font-family: var(--font-mono); /* A.6 */
    font-size: var(--text-xs);
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    text-align: center;
    text-align-last: center;
    transition: border-color 0.15s ease;
}

.chord-sub-select:hover,
.chord-sub-select:focus {
    border-color: var(--accent); /* lima fallback eliminado */
    outline: none;
}

.chord-sub-label {
    font-size: var(--text-2xs); /* era 10px */
    color: var(--text-muted); /* --muted no definido → --text-muted */
    font-style: italic;
    text-align: center;
    line-height: 1.3;
    max-width: 110px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.editable-chord.chord-modified .chord-sub-label {
    color: var(--accent); /* lima fallback eliminado */
}

.chord-sub-explanation {
    margin-top: 14px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.03);
    border-left: 3px solid var(--accent); /* lima fallback eliminado */
    border-radius: 0 6px 6px 0;
    font-size: var(--text-sm); /* era 13px */
    line-height: 1.5;
    color: var(--text); /* fallback dark-mode eliminado */
    min-height: 44px;
    transition: background 0.2s ease;
}

/* Estado activo durante el loop — preserva la lógica del sprint anterior */
.editable-chord.improv-chord-active {
    background: var(--accent-primary-soft); /* A.7 lima → borgoña soft */
    transform: scale(1.05);
}
.editable-chord.improv-chord-active .chord-sub-select {
    color: var(--accent); /* lima fallback eliminado */
    border-color: var(--accent); /* lima fallback eliminado */
}

@media (max-width: 640px) {
    .editable-chord { min-width: 72px; }
    .chord-sub-label { max-width: 80px; font-size: var(--text-2xs); } /* era 9px */
    .chord-sub-explanation { font-size: var(--text-xs); padding: 10px 12px; } /* era 12px */
}

/* --- El Productor (Comentarios contextuales) --- */
.prod-comment {
  max-width: 760px;
  margin: 24px auto;
  padding: 16px 20px;
  border-left: 3px solid var(--accent);
  background: var(--bg-surface);
  border-radius: 0 8px 8px 0;
  text-align: left;
}

.prod-comment-tag {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 6px;
}

.prod-comment-text {
  font-size: 15px;
  line-height: 1.55;
  color: var(--text);
  margin: 0;
}

.prod-comment-more {
  background: transparent;
  border: 0;
  color: var(--accent);
  font-size: 13px;
  padding: 0;
  margin-top: 8px;
  cursor: pointer;
  font-family: inherit;
}

.prod-comment-more:hover {
  text-decoration: underline;
}

.prod-comment-extra {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-muted);
}

.prod-comment-flash {
  position: relative;
  max-width: 760px;
  margin: 16px auto;
  padding: 12px 16px;
  background: var(--accent);
  color: var(--bg);
  border-radius: 8px;
  font-size: 14px;
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 0.2s, transform 0.2s;
  pointer-events: none;
  z-index: 50;
}

.prod-comment-flash[data-visible="true"] {
  opacity: 1;
  transform: translateY(0);
}


/* =====================================================================
   MICROINTERACCIONES — "lavado visual" (junio 2026)
   Capa aditiva: hace la interfaz táctil y "jugosa" sin tocar el layout.
   Reglas SOLO de alto rendimiento: transform, opacity, box-shadow,
   transition. Cero JavaScript. Respeta prefers-reduced-motion al final.
   Mantiene intacto el fondo Dark Composer.
   ===================================================================== */

/* 1. Baseline: todo lo interactivo transiciona parejo y suave -------- */
.prog-play-button,
.tone-chip,
.scale-card,
.ghost-btn,
.chord-sub-select,
.prog-pattern-control select,
.prog-chord-card,
.nav-links a,
.logo,
button,
[role="button"] {
  transition: transform     var(--duration-fast) var(--ease-out),
              box-shadow     var(--duration-fast) var(--ease-out),
              background-color var(--duration-fast) var(--ease-out),
              border-color   var(--duration-fast) var(--ease-out),
              color          var(--duration-fast) var(--ease-out),
              opacity        var(--duration-fast) var(--ease-out);
}

/* 2. Botones y chips: hover que se levanta, press que se hunde ------- */
.prog-play-button:hover,
.tone-chip:hover,
.ghost-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), 0 0 0 1px var(--accent-dim);
}

.prog-play-button:hover {
  box-shadow: var(--shadow-md), 0 0 18px var(--accent-primary-glow);
}

.prog-play-button:active,
.tone-chip:active,
.ghost-btn:active,
.scale-card:active,
.prog-chord-card:active {
  transform: translateY(0) scale(0.97);
  box-shadow: var(--shadow-sm);
  transition-duration: var(--duration-instant);
}

/* 3. Cards de contenido: lift sutil + sombra al pasar --------------- */
.prog-chord-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* 4. Selects (sustituciones, patrón): micro-lift táctil ------------- */
.chord-sub-select:hover,
.prog-pattern-control select:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
.chord-sub-select:active,
.prog-pattern-control select:active {
  transform: translateY(0);
  transition-duration: var(--duration-instant);
}

/* 5. Anillo de foco accesible y "jugoso" (teclado) ----------------- */
.prog-play-button:focus-visible,
.tone-chip:focus-visible,
.ghost-btn:focus-visible,
.chord-sub-select:focus-visible,
.prog-pattern-control select:focus-visible,
.scale-card:focus-visible,
.nav-links a:focus-visible,
.logo:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--accent-primary-glow);
}

/* 6. Nav: subrayado que crece desde la izquierda ------------------- */
.nav-links a {
  position: relative;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 2px;
  background: var(--accent);
  border-radius: var(--radius-pill);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--duration-base) var(--ease-out);
}
.nav-links a:hover::after,
.nav-links a:focus-visible::after {
  transform: scaleX(1);
}

/* 7. Logo: el piano saluda con un guiño al pasar ------------------- */
.logo:active {
  transform: scale(0.96);
}
.logo-icon {
  display: inline-block;
  transition: transform var(--duration-base) var(--ease-bounce);
}
.logo:hover .logo-icon {
  transform: rotate(-8deg) scale(1.12);
}

/* 8. Accesibilidad: si el sistema pide menos movimiento, lo damos -- */
@media (prefers-reduced-motion: reduce) {
  .prog-play-button,
  .tone-chip,
  .scale-card,
  .ghost-btn,
  .chord-sub-select,
  .prog-pattern-control select,
  .prog-chord-card,
  .nav-links a,
  .nav-links a::after,
  .logo,
  .logo-icon,
  button,
  [role="button"] {
    transition: none !important;
    transform: none !important;
  }
}


/* =====================================================================
   LOGO / WORDMARK — Tocalá
   ===================================================================== */
.logo-mark {
  flex-shrink: 0;
  display: block;
}
.logo-text {
  font-family: var(--font-sans);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  font-size: var(--text-md);
  line-height: 1;
}
.logo-toca { color: var(--ink-composer-bright); }
.logo-la   { color: var(--accent); }
.logo:hover .logo-toca { color: var(--accent); }

/* =====================================================================
   BRANDING WESTERN — el cartel: púa roja, brocha hueso, sepia y polvo
   ===================================================================== */
.brand-west {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}
.brand-pick {
  flex-shrink: 0;
  filter: drop-shadow(0 1px 3px rgba(0, 0, 0, 0.6));
  transition: transform var(--duration-fast, .15s) ease;
}
.brand-west:hover .brand-pick { transform: rotate(-12deg) scale(1.08); }
.brand-word {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  padding-bottom: 6px;
  line-height: 1;
}
.brand-toca {
  font-family: 'Permanent Marker', var(--font-display), cursive;
  font-size: 21px;
  letter-spacing: 0.03em;
  color: var(--west-bone);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.55);
}
.brand-la {
  font-family: 'Permanent Marker', var(--font-display), cursive;
  font-size: 21px;
  letter-spacing: 0.03em;
  color: var(--west-sepia);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.55);
}
.brand-west:hover .brand-la { color: var(--accent); }
.brand-wave {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  width: 100%; height: 7px;
  opacity: 0.9;
}

/* Grano de película sobre toda la página: el polvo del cartel.
   Puro CSS/SVG, sin requests; transform/opacity friendly. */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Header del sitio: cuero oscuro con hilo sepia */
.site-header {
  background:
    linear-gradient(180deg, rgba(20, 16, 13, 0.96), rgba(14, 11, 9, 0.92));
  border-bottom: 1px solid var(--west-sepia-dim);
}


/* =====================================================================
   CARD "AHORA SUENA" — narrador del acorde actual durante el loop
   ===================================================================== */
.now-playing-card {
  position: fixed;
  left: 20px;
  bottom: 20px;
  z-index: 60;
  width: 264px;
  background: var(--surface-elevated);
  border: 1px solid var(--rule-composer-light);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  padding: 12px 14px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity var(--duration-base) var(--ease-out),
              transform var(--duration-base) var(--ease-out);
}
.now-playing-card.np-visible { opacity: 1; transform: translateY(0); }
.np-eyebrow {
  font-family: var(--font-mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 4px;
}
.np-row { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.np-name {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 600;
  line-height: 1.1;
  color: var(--ink-composer-bright);
}
.np-role { font-size: 11px; color: var(--ink-composer-soft); }
.np-notes {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  margin: 5px 0 6px;
}
.np-why { font-size: 12px; line-height: 1.45; color: var(--ink-composer-soft); }
@media (max-width: 640px) {
  .now-playing-card { left: 10px; right: 10px; width: auto; bottom: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  .now-playing-card { transition: opacity var(--duration-base) linear; transform: none; }
}


/* =====================================================================
   HOME — flujo + pilares (cohesión del producto) · nav-cta · prog-cta
   ===================================================================== */
.home-flow { padding: 2.5rem 0; }
.flow-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
@media (max-width: 760px) { .flow-steps { grid-template-columns: 1fr; } }
.flow-step { background: var(--bg-surface); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 1.25rem; }
.flow-num { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 50%; background: var(--accent-dim); color: var(--accent); font-weight: 700; font-family: var(--font-mono); margin-bottom: .5rem; }
.flow-step h3 { font-size: var(--text-md); color: var(--text); margin: .25rem 0 .35rem; }
.flow-step p { font-size: var(--text-sm); color: var(--text-muted); line-height: 1.5; }
.flow-cta { text-align: center; margin-top: 1.5rem; }

.home-pillars { padding: 1.5rem 0 2.5rem; }
.pillars-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
@media (max-width: 880px) { .pillars-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .pillars-grid { grid-template-columns: 1fr; } }
.pillar-card { display: flex; flex-direction: column; gap: .35rem; background: var(--bg-surface); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 1.1rem; color: var(--text); transition: all var(--transition); }
.pillar-card:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: var(--shadow-md); opacity: 1; }
.pillar-card.pillar-star { border-color: var(--accent); background: linear-gradient(180deg, var(--accent-dim), var(--bg-surface)); }
.pillar-tag { font-family: var(--font-mono); font-size: var(--text-2xs); text-transform: uppercase; letter-spacing: .06em; color: var(--text-faint); }
.pillar-card h3 { font-size: var(--text-lg); margin: 0; color: var(--text); }
.pillar-star h3 { color: var(--accent); }
.pillar-card p { font-size: var(--text-sm); color: var(--text-muted); line-height: 1.5; margin: 0; }

/* Nav: Tu Tema como acción principal */
.nav-cta { background: var(--accent); color: var(--text-on-accent) !important; padding: .4rem .9rem; border-radius: var(--radius-pill); font-weight: 700; transition: all var(--transition); }
.nav-cta:hover { background: var(--accent-primary-strong); transform: translateY(-1px); opacity: 1; }
.nav-cta::after { display: none !important; }

/* Progresión → Tu Tema */
.prog-hb-cta { background: var(--accent); color: var(--text-on-accent); padding: 6px 12px; border-radius: var(--radius-pill); font-size: 12px; font-weight: 600; text-decoration: none; white-space: nowrap; transition: all var(--duration-fast) var(--ease-out); }
.prog-hb-cta:hover { background: var(--accent-primary-strong); transform: translateY(-1px); }