@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,700;0,900;1,700&family=Rajdhani:wght@300;400;600&family=Share+Tech+Mono&display=swap');

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

:root {
  --bg-void:    #06060c;
  --bg-deep:    #0a0a12;
  --bg-card:    #0f0f1a;
  --bg-surface: #141422;
  --bg-lift:    #1a1a2e;

  --red:        #5b2d8e;
  --red-bright: #9b59b6;
  --red-glow:   rgba(155,89,182,0.18);
  --red-faint:  rgba(91,45,142,0.08);

  --green:        #1a7a4a;
  --green-bright: #2ecc71;
  --green-glow:   rgba(46,204,113,0.12);
  --green-faint:  rgba(26,122,74,0.06);

  --gold:       #d4a017;
  --gold-faint: rgba(212,160,23,0.1);

  --white:      #ffffff;
  --t1:         #f0f0f0;
  --t2:         #b0b0c8;
  --t3:         #6a6a88;
  --t4:         #3a3a55;

  --border-dim:    rgba(255,255,255,0.05);
  --border-soft:   rgba(255,255,255,0.09);
  --border-red:    rgba(91,45,142,0.45);
  --border-green:  rgba(26,122,74,0.35);

  --font-display: 'Playfair Display', Georgia, serif;
  --font-ui:      'Rajdhani', 'Trebuchet MS', sans-serif;
  --font-mono:    'Share Tech Mono', 'Courier New', monospace;
}

html, body {
  width: 100%;
  height: 100%;
  height: 100dvh;
  background: var(--bg-void);
  color: var(--t1);
  font-family: var(--font-ui);
  overflow: hidden;
}

/* ══════════════════════════════════
   CANVAS DE PARTÍCULAS
══════════════════════════════════ */
#particle-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

/* ══════════════════════════════════
   ESTRUCTURA PRINCIPAL
══════════════════════════════════ */
#presentation {
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 1;
}

/* Líneas decorativas laterales */
#presentation::before,
#presentation::after {
  content: '';
  position: fixed;
  top: 0;
  bottom: 0;
  width: 1px;
  z-index: 0;
}
#presentation::before {
  left: 3rem;
  background: linear-gradient(to bottom,
    transparent 0%,
    var(--border-dim) 20%,
    var(--border-dim) 80%,
    transparent 100%);
}
#presentation::after {
  right: 3rem;
  background: linear-gradient(to bottom,
    transparent 0%,
    var(--border-dim) 20%,
    var(--border-dim) 80%,
    transparent 100%);
}

/* ══════════════════════════════════
   BARRA DE PROGRESO
══════════════════════════════════ */
#progress-bar {
  height: 3px;
  background: var(--bg-surface);
  position: relative;
  z-index: 10;
  flex-shrink: 0;
}

#progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--red), var(--gold), var(--green));
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

#progress-fill::after {
  content: '';
  position: absolute;
  right: -1px;
  top: -2px;
  width: 5px;
  height: 7px;
  background: var(--white);
  border-radius: 2px;
  box-shadow: 0 0 8px var(--red-bright);
}

/* ══════════════════════════════════
   CONTENEDOR DE SLIDES
══════════════════════════════════ */
#slides-container {
  flex: 1;
  position: relative;
  overflow: hidden;
  min-height: 0;
}

/* ══════════════════════════════════
   SLIDES — BASE
══════════════════════════════════ */
.slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 5rem;
  opacity: 0;
  transform: translateX(80px) scale(0.98);
  transition: opacity 0.55s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
  will-change: opacity, transform;
  contain: layout style;
}

.slide.active {
  opacity: 1;
  transform: translateX(0) scale(1);
  pointer-events: all;
}

.slide.exit-left {
  opacity: 0;
  transform: translateX(-80px) scale(0.98);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.slide-inner {
  width: 100%;
  max-width: 1140px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 2;
}

/* ══════════════════════════════════
   SLIDE 1 — PORTADA
══════════════════════════════════ */
.slide-cover {
  background:
    radial-gradient(ellipse 70% 80% at 15% 50%, rgba(91,45,142,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 60% 70% at 85% 50%, rgba(26,122,74,0.08) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 50% 50%, rgba(15,15,30,0.6) 0%, transparent 100%),
    var(--bg-deep);
}

.cover-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0;
}

.cover-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 2rem;
  padding: 0.35rem 1rem;
  border: 1px solid var(--border-red);
  border-radius: 2px;
  background: rgba(91,45,142,0.06);
}

.cover-badge::before,
.cover-badge::after {
  content: '◆';
  font-size: 0.45rem;
  opacity: 0.6;
}

.cover-name-block {
  position: relative;
  margin-bottom: 0.5rem;
}

.cover-vs-line {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 0.2rem;
}

.cover-name {
  font-family: var(--font-display);
  font-size: clamp(4.5rem, 9vw, 8.5rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.02em;
}

.cover-name.j1 {
  color: var(--red-bright);
  text-shadow:
    0 0 40px rgba(155,89,182,0.5),
    0 0 80px rgba(155,89,182,0.2);
}

.cover-name.j2 {
  color: var(--green-bright);
  text-shadow:
    0 0 40px rgba(46,204,113,0.4),
    0 0 80px rgba(46,204,113,0.15);
}

.cover-vs {
  font-family: var(--font-mono);
  font-size: 1.65rem;
  color: var(--t3);
  letter-spacing: 0.1em;
}

.cover-surname {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.5vw, 4.2rem);
  font-weight: 700;
  color: var(--t2);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

.cover-line {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.4rem;
  width: 100%;
  max-width: 500px;
}

.cover-line-seg {
  flex: 1;
  height: 1px;
}

.cover-line-seg.left  { background: linear-gradient(90deg, transparent, var(--red)); }
.cover-line-seg.right { background: linear-gradient(90deg, var(--green), transparent); }

.cover-line-diamond {
  width: 8px;
  height: 8px;
  background: var(--gold);
  transform: rotate(45deg);
  flex-shrink: 0;
  box-shadow: 0 0 10px var(--gold);
}

.cover-subtitle {
  font-family: var(--font-ui);
  font-size: 1.55rem;
  font-weight: 300;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--t2);
  margin-bottom: 2rem;
}

.cover-quote-block {
  max-width: 560px;
  padding: 1rem 1.4rem;
  border-left: 2px solid var(--red);
  text-align: left;
  background: rgba(91,45,142,0.04);
}

.cover-quote-text {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--t3);
  line-height: 1.6;
}

/* ══════════════════════════════════
   SLIDES ESTÁNDAR — FONDO
══════════════════════════════════ */
.slide-standard {
  background:
    radial-gradient(ellipse 50% 60% at 95% 5%, rgba(91,45,142,0.07) 0%, transparent 60%),
    radial-gradient(ellipse 30% 30% at 5% 95%, rgba(26,122,74,0.05) 0%, transparent 50%),
    var(--bg-deep);
}

/* Número de slide en fondo */
.slide-bg-num {
  position: absolute;
  right: -1rem;
  bottom: -2rem;
  font-family: var(--font-display);
  font-size: 22vw;
  font-weight: 900;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,255,255,0.025);
  user-select: none;
  pointer-events: none;
  z-index: 0;
}

/* ══════════════════════════════════
   ENCABEZADO DE SLIDE
══════════════════════════════════ */
.slide-header {
  margin-bottom: 1.6rem;
  position: relative;
}

.slide-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 0.6rem;
}

.slide-eyebrow::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 1px;
  background: var(--red);
}

.slide-title {
  font-family: var(--font-display);
  font-size: clamp(3.6rem, 7vw, 6rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1;
  letter-spacing: -0.01em;
  position: relative;
}

.slide-title-accent {
  display: block;
  width: 3rem;
  height: 3px;
  background: linear-gradient(90deg, var(--red), transparent);
  margin-top: 0.6rem;
}

.slide-definition {
  margin-top: 0.6rem;
  font-size: 1.55rem;
  font-weight: 300;
  color: var(--t3);
  font-style: italic;
  letter-spacing: 0.03em;
  padding-left: 1rem;
  border-left: 1px solid var(--t4);
  line-height: 1.5;
}

/* ══════════════════════════════════
   TARJETAS COMPARATIVAS
══════════════════════════════════ */
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.compare-card {
  position: relative;
  background: var(--bg-card);
  border-radius: 6px;
  padding: 1.3rem 1.5rem;
  overflow: hidden;
  border: 1px solid var(--border-dim);
}

/* Borde lateral grueso */
.compare-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 3px;
}

/* Brillo en esquina */
.compare-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 80px;
  height: 80px;
  border-radius: 0 6px 0 100%;
  opacity: 0.06;
}

.compare-card.jerome { border-color: rgba(91,45,142,0.2); }
.compare-card.jerome::before { background: var(--red); }
.compare-card.jerome::after  { background: var(--red-bright); }

.compare-card.jeremiah { border-color: rgba(26,122,74,0.2); }
.compare-card.jeremiah::before { background: var(--green); }
.compare-card.jeremiah::after  { background: var(--green-bright); }

.card-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  margin-bottom: 0.7rem;
}

.card-label-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.compare-card.jerome  .card-label { color: var(--red-bright); }
.compare-card.jerome  .card-label-dot { background: var(--red-bright); box-shadow: 0 0 6px var(--red-bright); }
.compare-card.jeremiah .card-label { color: var(--green-bright); }
.compare-card.jeremiah .card-label-dot { background: var(--green-bright); box-shadow: 0 0 6px var(--green-bright); }

.card-body {
  font-size: 1.65rem;
  font-weight: 400;
  color: var(--t2);
  line-height: 1.65;
}

/* ══════════════════════════════════
   FRASE CLAVE
══════════════════════════════════ */
.key-quote {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid var(--border-red);
  border-radius: 4px;
  padding: 1rem 1.4rem 1rem 3.2rem;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.75rem;
  color: var(--t1);
  line-height: 1.5;
}

.key-quote::before {
  content: '"';
  font-family: var(--font-display);
  font-size: 4rem;
  color: var(--red);
  position: absolute;
  top: -0.8rem;
  left: 0.6rem;
  line-height: 1;
  opacity: 0.7;
}

/* ══════════════════════════════════
   SLIDE INTRO
══════════════════════════════════ */
.intro-body {
  font-size: 1.65rem;
  font-weight: 300;
  color: var(--t2);
  line-height: 1.75;
  margin-bottom: 1.3rem;
  max-width: 800px;
}

.intro-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.6rem;
  margin-bottom: 1.4rem;
}

.intro-pill {
  background: var(--bg-surface);
  border: 1px solid var(--border-soft);
  border-radius: 3px;
  padding: 0.7rem 0.5rem;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 1.35rem;
  letter-spacing: 0.06em;
  color: var(--t3);
  transition: all 0.2s;
}

/* ══════════════════════════════════
   SLIDE ENTORNO
══════════════════════════════════ */
.entorno-body {
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--t2);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.entorno-body strong {
  color: var(--gold);
  font-weight: 600;
}

.entorno-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
  margin-bottom: 1.1rem;
}

.entorno-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: 6px;
  padding: 1rem 1.1rem;
  position: relative;
  overflow: hidden;
}

.entorno-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
}

.entorno-card.gotham   { border-color: rgba(212,160,23,0.2); }
.entorno-card.gotham::before  { background: var(--gold); }
.entorno-card.jerome   { border-color: rgba(91,45,142,0.2); }
.entorno-card.jerome::before  { background: var(--red); }
.entorno-card.jeremiah { border-color: rgba(26,122,74,0.2); }
.entorno-card.jeremiah::before{ background: var(--green); }

.ec-label {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.entorno-card.gotham   .ec-label { color: var(--gold); }
.entorno-card.jerome   .ec-label { color: var(--red-bright); }
.entorno-card.jeremiah .ec-label { color: var(--green-bright); }

.ec-value {
  font-size: 1.45rem;
  color: var(--t2);
  line-height: 1.5;
  font-weight: 300;
}

/* ══════════════════════════════════
   SLIDE CONCLUSIÓN
══════════════════════════════════ */
.conclusion-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.1rem;
}

.conclusion-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: 6px;
  padding: 1.2rem 1.4rem;
  position: relative;
  overflow: hidden;
}

.conclusion-panel::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
}

.conclusion-panel.jerome   { border-color: rgba(91,45,142,0.25); }
.conclusion-panel.jerome::after  { background: linear-gradient(90deg, var(--red), transparent); }
.conclusion-panel.jeremiah { border-color: rgba(26,122,74,0.25); }
.conclusion-panel.jeremiah::after{ background: linear-gradient(90deg, var(--green), transparent); }

.conclusion-label {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}

.conclusion-panel.jerome   .conclusion-label { color: var(--red-bright); }
.conclusion-panel.jeremiah .conclusion-label { color: var(--green-bright); }

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.ctag {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  letter-spacing: 0.05em;
  padding: 0.28rem 0.65rem;
  border-radius: 3px;
  border: 1px solid;
}

.ctag.j1 {
  color: var(--red-bright);
  border-color: rgba(155,89,182,0.3);
  background: rgba(155,89,182,0.07);
}

.ctag.j2 {
  color: var(--green-bright);
  border-color: rgba(46,204,113,0.3);
  background: rgba(46,204,113,0.07);
}

.conclusion-text {
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--t2);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.conclusion-text em {
  color: var(--t1);
  font-style: normal;
  font-weight: 400;
}

.final-quote {
  text-align: center;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 2.2rem;
  color: var(--t3);
  padding-top: 0.9rem;
  border-top: 1px solid var(--border-dim);
  position: relative;
}

.final-quote::before,
.final-quote::after {
  content: '◆';
  font-size: 0.5rem;
  color: var(--gold);
  vertical-align: middle;
  margin: 0 1rem;
  font-style: normal;
}

/* ══════════════════════════════════
   CONTROLES INFERIORES
══════════════════════════════════ */
#controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 5rem;
  background: var(--bg-void);
  border-top: 1px solid var(--border-dim);
  flex-shrink: 0;
  position: relative;
  z-index: 10;
}

.ctrl-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

#slide-counter {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--t4);
  letter-spacing: 0.12em;
}

.ctrl-dot-row {
  display: flex;
  gap: 5px;
}

.ctrl-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--t4);
  cursor: pointer;
  transition: all 0.25s;
  border: none;
  padding: 0;
}

.ctrl-dot.active {
  background: var(--red-bright);
  box-shadow: 0 0 6px var(--red-bright);
  transform: scale(1.3);
}

#slide-title-bar {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--t4);
  text-transform: uppercase;
}

.nav-buttons {
  display: flex;
  gap: 0.5rem;
}

.nav-btn {
  background: transparent;
  border: 1px solid var(--border-dim);
  color: var(--t3);
  padding: 0.4rem 1.1rem;
  border-radius: 3px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  transition: all 0.2s;
}

.nav-btn:hover:not(:disabled) {
  border-color: var(--red);
  color: var(--red-bright);
  background: rgba(91,45,142,0.07);
}

.nav-btn:disabled {
  opacity: 0.2;
  cursor: default;
}

/* scanline removido por rendimiento */
#scanline { display: none; }

/* ══════════════════════════════════
   ANIMACIÓN DE ENTRADA DE ELEMENTOS
══════════════════════════════════ */
.slide.active .compare-card {
  animation: fadeUp 0.5s ease both;
}

.slide.active .compare-card:nth-child(1) { animation-delay: 0.15s; }
.slide.active .compare-card:nth-child(2) { animation-delay: 0.25s; }
.slide.active .key-quote               { animation: fadeUp 0.5s 0.35s ease both; }
.slide.active .entorno-card:nth-child(1) { animation: fadeUp 0.4s 0.1s ease both; }
.slide.active .entorno-card:nth-child(2) { animation: fadeUp 0.4s 0.2s ease both; }
.slide.active .entorno-card:nth-child(3) { animation: fadeUp 0.4s 0.3s ease both; }
.slide.active .intro-pill               { animation: fadeUp 0.35s ease both; }
.slide.active .intro-pill:nth-child(1)  { animation-delay: 0.05s; }
.slide.active .intro-pill:nth-child(2)  { animation-delay: 0.1s; }
.slide.active .intro-pill:nth-child(3)  { animation-delay: 0.15s; }
.slide.active .intro-pill:nth-child(4)  { animation-delay: 0.2s; }
.slide.active .intro-pill:nth-child(5)  { animation-delay: 0.25s; }
.slide.active .intro-pill:nth-child(6)  { animation-delay: 0.3s; }
.slide.active .slide-header             { animation: fadeDown 0.45s 0.05s ease both; }
.slide.active .cover-badge              { animation: fadeDown 0.4s 0s ease both; }
.slide.active .cover-vs-line            { animation: fadeDown 0.5s 0.1s ease both; }
.slide.active .cover-surname            { animation: fadeDown 0.5s 0.18s ease both; }
.slide.active .cover-line               { animation: fadeDown 0.4s 0.25s ease both; }
.slide.active .cover-subtitle           { animation: fadeDown 0.4s 0.3s ease both; }
.slide.active .cover-quote-block        { animation: fadeUp 0.5s 0.4s ease both; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ══════════════════════════════════
   TOOLTIP DE TECLADO
══════════════════════════════════ */
#key-hint {
  position: fixed;
  bottom: 4.5rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--t4);
  letter-spacing: 0.15em;
  opacity: 1;
  transition: opacity 1s;
  pointer-events: none;
  z-index: 50;
}

#key-hint.hidden { opacity: 0; }

/* ══════════════════════════════════
   ZONAS TÁCTILES MOBILE
══════════════════════════════════ */
#tap-prev, #tap-next {
  display: none;
  position: absolute;
  top: 3px;
  bottom: 0;
  width: 22%;
  z-index: 20;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  pointer-events: all;
}
#tap-prev { left: 0; }
#tap-next { right: 0; }

@media (max-width: 1024px) {
  #tap-prev, #tap-next { display: block; }
}

/* ══════════════════════════════════
   MOBILE
══════════════════════════════════ */
@media (max-width: 1024px) {

  /* Evitar desbordamiento horizontal global */
  html, body {
    overflow-x: hidden;
  }

  /* Ocultar líneas decorativas laterales */
  #presentation::before,
  #presentation::after { display: none; }

  /* Slide: padding reducido, sin desborde */
  .slide {
    padding: 0.7rem 0.9rem 0.5rem;
    align-items: flex-start;
    overflow: hidden;
  }

  /* Permitir scroll vertical dentro del slide */
  .slide-inner {
    height: 100%;
    max-width: 100%;
    justify-content: flex-start;
    overflow-y: auto;
    overflow-x: hidden;
    padding-top: 0.3rem;
    padding-bottom: 1rem;
    -webkit-overflow-scrolling: touch;
  }

  /* Número de fondo más pequeño */
  .slide-bg-num { font-size: 45vw; }

  /* ── Portada: nombres apilados verticalmente ── */
  .cover-wrap { gap: 0; padding: 0 0.5rem; }
  .cover-badge {
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    margin-bottom: 1.2rem;
    padding: 0.3rem 0.7rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
  }
  .cover-vs-line {
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    margin-bottom: 0.3rem;
  }
  .cover-name {
    font-size: clamp(3rem, 16vw, 4.5rem);
    line-height: 1;
  }
  .cover-vs {
    font-size: 1rem;
    color: var(--t4);
  }
  .cover-surname {
    font-size: clamp(1.2rem, 5vw, 1.8rem);
    letter-spacing: 0.15em;
    margin-bottom: 1rem;
  }
  .cover-subtitle {
    font-size: 1rem;
    letter-spacing: 0.08em;
    margin-bottom: 1rem;
  }
  .cover-quote-block { max-width: 100%; }
  .cover-quote-text  { font-size: 0.95rem; }
  .cover-line { max-width: 100%; }

  /* Encabezado de slide */
  .slide-header { margin-bottom: 0.8rem; }
  .slide-title  { font-size: clamp(2rem, 8vw, 3rem); }
  .slide-definition { font-size: 1.2rem; margin-top: 0.4rem; }
  .slide-eyebrow { font-size: 0.75rem; }

  /* ── Tarjetas comparativas → 1 columna ── */
  .compare-grid {
    grid-template-columns: 1fr;
    gap: 0.55rem;
    margin-bottom: 0.7rem;
  }
  .compare-card  { padding: 0.8rem 0.9rem; }
  .card-body     { font-size: 1.35rem; line-height: 1.55; }
  .card-example  { font-size: 1.15rem; }
  .third-point   { font-size: 1.25rem; padding: 0.45rem 0.7rem; margin-bottom: 0.7rem; }

  /* ── Frase clave ── */
  .key-quote {
    font-size: 1.3rem;
    padding: 0.7rem 0.9rem 0.7rem 2.4rem;
    line-height: 1.5;
  }
  .key-quote::before { font-size: 2.8rem; top: -0.6rem; }

  /* ── Intro ── */
  .intro-layout { grid-template-columns: 1fr !important; }
  .intro-img-wrap { display: none; }
  .intro-body { font-size: 1.35rem; margin-bottom: 0.8rem; }
  .intro-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 0.35rem;
    margin-bottom: 0.8rem;
  }
  .intro-pill { font-size: 1rem; padding: 0.45rem 0.2rem; }

  /* ── Entorno → 1 columna ── */
  .entorno-row {
    grid-template-columns: 1fr;
    gap: 0.5rem;
    margin-bottom: 0.7rem;
  }
  .entorno-body { font-size: 1.25rem; }
  .ec-value     { font-size: 1.25rem; }
  .ec-label     { font-size: 1.1rem; }

  /* ── Conclusión → 1 columna ── */
  .conclusion-cols {
    grid-template-columns: 1fr;
    gap: 0.5rem;
    margin-bottom: 0.7rem;
  }
  .conclusion-text { font-size: 1.25rem; }
  .final-quote     { font-size: 1.5rem; }
  .ctag            { font-size: 1.1rem; }

  /* ── Tabla VS → 1 columna ── */
  .vs-table {
    grid-template-columns: 1fr !important;
    margin-bottom: 0.7rem;
  }
  .vs-divider { display: none; }
  .vs-header  { border-radius: 4px; }
  .vs-row     { font-size: 1.35rem; }

  /* ── Controles ── */
  #controls {
    padding: 0.5rem 0.8rem;
    padding-bottom: max(0.5rem, env(safe-area-inset-bottom));
    gap: 0.4rem;
  }
  #slide-title-bar { display: none; }
  .ctrl-dot  { width: 4px; height: 4px; }
  .nav-btn   { padding: 0.45rem 0.9rem; font-size: 0.68rem; }
  #slide-counter { font-size: 0.65rem; }

  /* Ocultar hint de teclado en mobile */
  #key-hint { display: none; }
}