:root {
  --paper: #f4ecdf;
  --paper-2: #efe4d3;
  --ink: #1e1b18;
  --muted: #5d5449;
  --line: rgba(30, 27, 24, 0.16);
  --teal: #165c69;
  --copper: #b45f3c;
  --moss: #5b6d3e;
  --plum: #6d557d;
  --gold: #b88f32;
  --brick: #bb4f35;
  --panel: rgba(255, 251, 245, 0.9);
  --panel-strong: rgba(255, 255, 255, 0.82);
  --shadow: 0 18px 42px rgba(32, 23, 14, 0.12);
  --radius: 22px;
  --radius-sm: 14px;
  --max: 1320px;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100dvh;
  color: var(--ink);
  font-family: "Avenir Next Condensed", "Gill Sans Nova", "Trebuchet MS", sans-serif;
  background:
    radial-gradient(circle at 8% 12%, rgba(22, 92, 105, 0.16), transparent 30%),
    radial-gradient(circle at 92% 14%, rgba(180, 95, 60, 0.13), transparent 28%),
    linear-gradient(160deg, #ebe3d5 0%, #f4ecdf 44%, #e4eadf 100%);
}

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

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

.page-shell {
  width: min(var(--max), calc(100% - 24px));
  margin: 12px auto;
  border: 1px solid rgba(0, 0, 0, 0.22);
  border-radius: 26px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 253, 249, 0.96), rgba(247, 241, 232, 0.96)),
    repeating-linear-gradient(
      0deg,
      rgba(0, 0, 0, 0.02) 0,
      rgba(0, 0, 0, 0.02) 1px,
      transparent 1px,
      transparent 38px
    );
  box-shadow: var(--shadow);
}

.topbar,
.footerbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 12px 18px;
  background: rgba(252, 249, 243, 0.92);
}

.topbar {
  border-bottom: 1px solid var(--line);
}

.footerbar {
  border-top: 1px solid var(--line);
  font-size: 0.84rem;
  color: #413930;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0.03em;
  font-size: 0.92rem;
}

.brand-dot {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--teal), var(--copper));
  border: 1px solid rgba(0, 0, 0, 0.22);
  flex-shrink: 0;
}

.pill-row {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.pill,
.ghost-btn,
.solid-btn,
.accent-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid rgba(0, 0, 0, 0.16);
  cursor: pointer;
  font-family: inherit;
}

.pill {
  background: rgba(255, 255, 255, 0.74);
  color: #2e3732;
}

.ghost-btn {
  background: transparent;
}

.ghost-btn:hover,
.solid-btn:hover,
.accent-btn:hover {
  transform: translateY(-1px);
}

.solid-btn {
  color: #fff;
  background: #194d58;
  border-color: transparent;
}

.accent-btn {
  color: #fff;
  background: linear-gradient(135deg, var(--brick), var(--plum));
  border-color: transparent;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 22px;
  padding: clamp(18px, 3vw, 34px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 82% 18%, rgba(109, 85, 125, 0.08), transparent 28%),
    radial-gradient(circle at 12% 88%, rgba(91, 109, 62, 0.1), transparent 26%);
}

.eyebrow {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(0, 0, 0, 0.12);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #31403a;
}

.hero-copy {
  display: grid;
  align-content: start;
  gap: 12px;
}

.hero-title,
.section-title,
.slide-title,
.doc-title {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", serif;
  line-height: 0.94;
  letter-spacing: -0.02em;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 5rem);
  max-width: 11ch;
  text-wrap: balance;
}

.hero-subtitle,
.lede {
  margin: 0;
  max-width: 68ch;
  font-size: clamp(1rem, 1.22vw, 1.2rem);
  line-height: 1.48;
  color: #342f29;
}

.hero-meta {
  display: grid;
  gap: 12px;
}

.meta-card,
.summary-card,
.note-card,
.data-card,
.slide-card,
.private-callout,
.cover-card {
  border: 1px solid rgba(0, 0, 0, 0.14);
  border-radius: 18px;
  background: var(--panel);
  padding: 14px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 4px;
}

.hero-side {
  display: grid;
  gap: 14px;
  align-content: start;
}

.cover-card {
  display: grid;
  grid-template-columns: 128px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.cover-image {
  border: 2px solid rgba(0, 0, 0, 0.18);
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
}

.cover-caption {
  margin: 8px 0 0;
  font-size: 0.76rem;
  line-height: 1.35;
  color: var(--muted);
}

.apa-box {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.5;
  color: #2e2a25;
}

.mono-note,
.tiny-label {
  font-family: "SFMono-Regular", "Menlo", "Monaco", "Consolas", monospace;
}

.mono-note {
  font-size: 0.76rem;
  color: var(--muted);
}

.section {
  padding: clamp(18px, 2.8vw, 30px);
  border-top: 1px solid var(--line);
}

.section:first-of-type {
  border-top: 0;
}

.section-header {
  display: grid;
  gap: 10px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.7rem, 3vw, 3rem);
}

.section-copy {
  margin: 0;
  max-width: 72ch;
  line-height: 1.52;
  color: #403931;
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 14px;
  align-items: start;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.key-card {
  position: relative;
  min-height: 100%;
  padding: 16px;
  border: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(245, 239, 229, 0.92));
}

.key-card::before {
  content: "";
  position: absolute;
  top: 12px;
  left: 12px;
  width: 42px;
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--teal), var(--copper));
}

.key-card h3,
.note-card h3,
.data-card h3,
.slide-card h3,
.private-callout h3 {
  margin: 10px 0 8px;
  font-size: 1.02rem;
  line-height: 1.2;
}

.key-card p,
.note-card p,
.data-card p,
.slide-card p,
.private-callout p {
  margin: 0;
  line-height: 1.52;
  color: #3f382f;
}

.flat-list,
.flat-list li,
.question-list,
.question-list li,
.mini-list,
.mini-list li {
  margin: 0;
  padding: 0;
}

.flat-list,
.question-list,
.mini-list {
  list-style: none;
  display: grid;
  gap: 10px;
}

.flat-list li,
.question-list li,
.mini-list li {
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(0, 0, 0, 0.12);
  background: rgba(255, 255, 255, 0.72);
  line-height: 1.45;
}

.flat-list strong,
.question-list strong,
.mini-list strong {
  color: var(--teal);
}

.mark-table,
.data-table {
  width: 100%;
  border-collapse: collapse;
  border-spacing: 0;
  font-size: 0.95rem;
  overflow: hidden;
}

.mark-table th,
.mark-table td,
.data-table th,
.data-table td {
  border-bottom: 1px solid rgba(0, 0, 0, 0.12);
  text-align: left;
  vertical-align: top;
  padding: 11px 10px;
  line-height: 1.42;
}

.mark-table th,
.data-table th {
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #33413d;
  background: rgba(255, 255, 255, 0.74);
  position: sticky;
  top: 0;
}

.table-wrap {
  overflow: auto;
  border: 1px solid rgba(0, 0, 0, 0.14);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.glossary-link {
  margin-top: 10px;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.glossary-link a {
  color: var(--teal);
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
}

.glossary-link a:hover {
  color: var(--brick);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  border: 1px solid rgba(0, 0, 0, 0.12);
  padding: 5px 10px;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.82);
}

.tag.teal {
  color: var(--teal);
  border-color: rgba(22, 92, 105, 0.24);
  background: rgba(22, 92, 105, 0.08);
}

.tag.copper {
  color: var(--copper);
  border-color: rgba(180, 95, 60, 0.24);
  background: rgba(180, 95, 60, 0.08);
}

.tag.moss {
  color: var(--moss);
  border-color: rgba(91, 109, 62, 0.25);
  background: rgba(91, 109, 62, 0.08);
}

.tag.plum {
  color: var(--plum);
  border-color: rgba(109, 85, 125, 0.24);
  background: rgba(109, 85, 125, 0.08);
}

.timeline {
  display: grid;
  gap: 12px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(0, 0, 0, 0.12);
  background: rgba(255, 255, 255, 0.76);
}

.timeline-year {
  font-weight: 900;
  letter-spacing: 0.04em;
  color: var(--brick);
}

.diagram-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.diagram-cluster {
  border: 1px solid rgba(0, 0, 0, 0.14);
  border-radius: 20px;
  padding: 14px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(244, 238, 228, 0.9));
  display: grid;
  gap: 10px;
}

.diagram-cluster h3 {
  margin: 0;
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #32413d;
}

.chip-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 10px;
  border-radius: 12px;
  border: 1px solid rgba(0, 0, 0, 0.12);
  background: rgba(255, 255, 255, 0.78);
  font-size: 0.82rem;
  line-height: 1.2;
}

.doc-main {
  padding: clamp(18px, 2.6vw, 32px);
}

.doc-title {
  font-size: clamp(2rem, 3.9vw, 4rem);
  max-width: 15ch;
}

.doc-sub {
  margin: 10px 0 0;
  max-width: 68ch;
  line-height: 1.5;
  color: #3a342d;
}

.callout-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.private-flag {
  display: inline-flex;
  width: fit-content;
  margin-top: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(180, 95, 60, 0.22);
  background: rgba(180, 95, 60, 0.08);
  color: var(--brick);
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.details-wrap {
  border: 1px solid rgba(0, 0, 0, 0.14);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.76);
  overflow: hidden;
}

.details-wrap summary {
  cursor: pointer;
  list-style: none;
  padding: 14px 16px;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.details-wrap summary::-webkit-details-marker {
  display: none;
}

.details-content {
  padding: 0 16px 16px;
}

.deck-shell {
  position: fixed;
  inset: 0;
  display: none;
  z-index: 999;
  background:
    radial-gradient(circle at 8% 12%, rgba(22, 92, 105, 0.16), transparent 30%),
    radial-gradient(circle at 92% 14%, rgba(180, 95, 60, 0.13), transparent 28%),
    linear-gradient(160deg, #dfd5c7 0%, #efe5d7 45%, #dfe6da 100%);
}

.deck-shell.is-open {
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.deck-top,
.deck-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  padding: 10px clamp(12px, 2vw, 24px);
  background: rgba(250, 248, 244, 0.96);
  border-bottom: 1px solid var(--line);
}

.deck-bottom {
  border-top: 1px solid var(--line);
  border-bottom: 0;
}

.deck-progress {
  width: min(180px, 28vw);
  height: 6px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.12);
}

.deck-progress-fill {
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--teal), #2ab3c5);
  transition: width 0.25s ease;
}

.deck-stage {
  position: relative;
  overflow: hidden;
}

.slide {
  position: absolute;
  inset: 0;
  padding: clamp(18px, 2.4vw, 32px);
  opacity: 0;
  pointer-events: none;
  transform: translateX(2%);
  transition: opacity 0.24s ease, transform 0.24s ease;
  overflow-y: auto;
  display: grid;
  align-content: start;
  gap: 16px;
  background:
    radial-gradient(circle at 80% 20%, rgba(109, 85, 125, 0.08), transparent 26%),
    radial-gradient(circle at 12% 86%, rgba(91, 109, 62, 0.1), transparent 24%),
    linear-gradient(180deg, rgba(252, 248, 241, 0.92), rgba(243, 236, 226, 0.96));
}

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

.slide-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.slide-index {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(0, 0, 0, 0.14);
  background: rgba(255, 255, 255, 0.82);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.slide-title {
  font-size: clamp(2rem, 3.8vw, 4.2rem);
  max-width: 12ch;
  text-wrap: balance;
}

.slide-subtitle {
  margin: 0;
  max-width: 72ch;
  line-height: 1.5;
  color: #3e372f;
  font-size: clamp(1rem, 1.2vw, 1.18rem);
}

.slide-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 18px;
  align-items: start;
}

.slide-cover {
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.92fr);
}

.slide-card ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.slide-card li {
  line-height: 1.45;
}

.quote-panel {
  border-left: 6px solid var(--teal);
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.8);
  line-height: 1.5;
  color: #352f28;
}

.cover-stack {
  display: grid;
  gap: 14px;
}

.cover-frame {
  width: min(220px, 100%);
  border: 2px solid rgba(0, 0, 0, 0.16);
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
}

.stat-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.stat-card {
  padding: 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(0, 0, 0, 0.12);
}

.stat-card strong {
  display: block;
  font-size: 1.55rem;
  line-height: 1;
  margin-bottom: 6px;
  color: var(--brick);
}

.nav-btns {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.nav-btns button,
.close-btn {
  border: 1px solid rgba(0, 0, 0, 0.16);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.92);
  color: #1f1a16;
  font: inherit;
  font-weight: 800;
  padding: 8px 14px;
  cursor: pointer;
}

.nav-btns button.primary,
.close-btn.primary {
  background: #184a56;
  color: #fff;
  border-color: transparent;
}

.hidden-visually {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 1100px) {
  .grid-4,
  .diagram-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero,
  .slide-grid,
  .slide-cover {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .page-shell {
    width: min(var(--max), calc(100% - 12px));
    margin: 6px auto;
    border-radius: 18px;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .callout-grid,
  .diagram-grid,
  .stat-band {
    grid-template-columns: 1fr;
  }

  .cover-card {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    grid-template-columns: 1fr;
  }

  .slide {
    padding: 14px;
  }

  .slide-title {
    font-size: clamp(1.8rem, 7vw, 3rem);
  }
}

/* ================================================================
   RESPONSIVE IMPROVEMENTS
   — Móvil vertical  : full-bleed, tap targets, lectura cómoda
   — Proyector horiz.: texto de slides legible desde lejos
   ================================================================ */

/* ── BASE: lectura más cómoda en todos los tamaños ─────────────── */
body {
  font-size: clamp(1rem, 0.94rem + 0.3vw, 1.08rem);
  line-height: 1.62;
}

.key-card p,
.note-card p,
.data-card p,
.section-copy {
  font-size: clamp(0.96rem, 0.9rem + 0.3vw, 1.06rem);
  line-height: 1.6;
}

/* ── MÓVIL VERTICAL (≤ 480px) ──────────────────────────────────── */
@media (max-width: 480px) {

  /* Full-bleed: quitar márgenes y bordes laterales */
  .page-shell {
    width: 100%;
    margin: 0;
    border-left: none;
    border-right: none;
    border-top: none;
    border-radius: 0;
  }

  .topbar,
  .footerbar {
    padding: 14px 18px;
  }

  .hero {
    padding: 22px 18px 24px;
  }

  .section {
    padding: 24px 18px;
  }

  /* Título hero: más grande, línea menos comprimida */
  .hero-title {
    font-size: clamp(2.6rem, 11vw, 4rem);
    max-width: none;
    line-height: 1.0;
  }

  .hero-subtitle {
    font-size: 1.07rem;
    line-height: 1.6;
    max-width: 100%;
  }

  /* Botones de acción: apilados, tap target generoso */
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .solid-btn,
  .ghost-btn,
  .accent-btn {
    width: 100%;
    padding: 15px 20px;
    font-size: 0.85rem;
    min-height: 52px;
    border-radius: 16px;
    justify-content: center;
  }

  .section-title {
    font-size: clamp(1.9rem, 9vw, 3rem);
    line-height: 1.0;
  }

  /* Tarjetas de contenido */
  .key-card {
    padding: 22px 18px 18px;
  }

  .note-card,
  .data-card {
    padding: 18px;
  }

  .key-card h3,
  .note-card h3,
  .data-card h3 {
    font-size: 1.12rem;
    line-height: 1.3;
    margin-top: 12px;
  }

  .key-card p,
  .note-card p,
  .data-card p {
    font-size: 1.02rem;
    line-height: 1.6;
  }

  /* Preguntas de discusión: más espacio de lectura */
  .question-list {
    gap: 12px;
  }

  .question-list li {
    padding: 18px 16px;
    font-size: 1.02rem;
    line-height: 1.6;
  }

  /* Tags y chips más legibles */
  .tag {
    font-size: 0.78rem;
    padding: 7px 13px;
  }

  .chip {
    font-size: 0.92rem;
    padding: 9px 13px;
    border-radius: 14px;
  }

  /* Timeline: columna única con gap reducido */
  .timeline-item {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .timeline-year {
    font-size: 1.05rem;
  }

  /* APA reference más pequeña pero legible */
  .apa-box {
    font-size: 0.91rem;
    line-height: 1.56;
  }

  .eyebrow {
    font-size: 0.79rem;
  }

  /* Presentación en móvil */
  .deck-shell .slide {
    padding: 18px 16px;
    gap: 14px;
  }

  .deck-shell .slide-title {
    font-size: clamp(1.7rem, 8.5vw, 2.8rem);
    line-height: 1.05;
  }

  .deck-shell .slide-card {
    padding: 16px;
  }

  .deck-shell .slide-card h3 {
    font-size: 1.05rem;
  }

  .deck-shell .slide-card li,
  .deck-shell .slide-card p {
    font-size: 1rem;
    line-height: 1.55;
  }

  .deck-shell .quote-panel {
    font-size: 1.02rem;
    padding: 14px 16px;
  }

  .deck-shell .stat-card strong {
    font-size: 2rem;
  }

  .deck-shell .deck-top,
  .deck-shell .deck-bottom {
    padding: 12px 16px;
  }

  .deck-shell .nav-btns button,
  .deck-shell .close-btn {
    padding: 13px 20px;
    font-size: 1rem;
    min-height: 50px;
    border-radius: 14px;
  }

  .deck-shell .deck-progress {
    display: none; /* en móvil ahorra espacio en la barra */
  }
}

/* ── TABLET INTERMEDIA (481–820px) ─────────────────────────────── */
@media (max-width: 820px) and (min-width: 481px) {

  .hero-title {
    font-size: clamp(2.7rem, 7vw, 4.2rem);
    line-height: 0.97;
  }

  .hero-subtitle {
    font-size: clamp(1.02rem, 2vw, 1.16rem);
    line-height: 1.57;
  }

  .section-title {
    font-size: clamp(2rem, 5vw, 2.8rem);
  }

  .deck-shell .slide-card {
    font-size: clamp(1rem, 2.1vw, 1.16rem);
  }

  .deck-shell .slide-card h3 {
    font-size: clamp(1.05rem, 2.3vw, 1.22rem);
  }

  .deck-shell .slide-card li,
  .deck-shell .slide-card p {
    font-size: clamp(0.98rem, 2vw, 1.12rem);
    line-height: 1.52;
  }

  .deck-shell .quote-panel {
    font-size: clamp(1rem, 2.1vw, 1.2rem);
    line-height: 1.6;
  }

  .deck-shell .stat-card strong {
    font-size: clamp(2rem, 5vw, 3.2rem);
  }
}

/* ── PROYECTOR / ESCRITORIO ANCHO (≥ 1024px) ───────────────────── */
/* Objetivo: texto de slides legible a 3–4 metros de distancia     */
@media (min-width: 1024px) {

  /* Padding generoso en slides */
  .deck-shell .slide {
    padding: clamp(28px, 3.5vw, 60px);
    gap: 24px;
  }

  /* Subtítulo de portada */
  .deck-shell .slide-subtitle {
    font-size: clamp(1.12rem, 1.55vw, 1.48rem);
    line-height: 1.58;
  }

  /* Grilla de slide: stretch para que las tarjetas crezcan igual */
  .deck-shell .slide-grid {
    gap: 26px;
    align-items: stretch;
  }

  .deck-shell .stat-band {
    gap: 20px;
  }

  /* Tarjetas de slide: padding + fuente escalada con viewport */
  .deck-shell .slide-card {
    padding: 24px 28px;
    font-size: clamp(1.08rem, 1.45vw, 1.4rem);
  }

  .deck-shell .slide-card h3 {
    font-size: clamp(1.14rem, 1.6vw, 1.52rem);
    margin-top: 0;
    margin-bottom: 16px;
    line-height: 1.25;
  }

  .deck-shell .slide-card ul {
    gap: 14px;
  }

  .deck-shell .slide-card li {
    font-size: clamp(1.08rem, 1.42vw, 1.38rem);
    line-height: 1.52;
  }

  .deck-shell .slide-card p {
    font-size: clamp(1.08rem, 1.42vw, 1.38rem);
    line-height: 1.58;
  }

  /* Cita: texto grande e impactante para proyector */
  .deck-shell .quote-panel {
    font-size: clamp(1.14rem, 1.6vw, 1.55rem);
    line-height: 1.64;
    padding: 22px 28px;
    border-left-width: 8px;
  }

  /* Tarjetas stat (slide contradicción) */
  .deck-shell .stat-card {
    padding: 24px 22px;
    font-size: clamp(1.08rem, 1.42vw, 1.38rem);
  }

  .deck-shell .stat-card strong {
    font-size: clamp(2.4rem, 4.8vw, 5rem);
    margin-bottom: 12px;
  }

  /* Portada: imagen del libro más grande */
  .deck-shell .cover-frame {
    width: min(260px, 100%);
  }

  /* Barras superiores e inferiores */
  .deck-shell .deck-top,
  .deck-shell .deck-bottom {
    padding: 14px clamp(20px, 2.8vw, 40px);
  }

  .deck-shell .brand {
    font-size: 1.02rem;
  }

  .deck-shell .pill {
    font-size: 0.86rem;
    padding: 9px 16px;
  }

  .deck-shell .deck-progress {
    width: min(260px, 32vw);
    height: 7px;
  }

  /* Botones de navegación: fáciles de tocar/hacer clic */
  .deck-shell .nav-btns button,
  .deck-shell .close-btn {
    padding: 12px 26px;
    font-size: 1rem;
    min-height: 46px;
    border-radius: 14px;
  }

  /* Badge de índice */
  .deck-shell .slide-index {
    font-size: 0.82rem;
    padding: 8px 15px;
  }

  /* Chips en clusters del slide */
  .deck-shell .chip {
    font-size: 0.95rem;
    padding: 9px 14px;
  }

  .deck-shell .tag {
    font-size: 0.84rem;
    padding: 8px 14px;
  }

  .deck-shell .glossary-link {
    font-size: 0.86rem;
    margin-top: 16px;
  }
}

/* ── PANTALLAS MUY ANCHAS (≥ 1600px): título de slide más grande ─ */
@media (min-width: 1600px) {
  .deck-shell .slide-title {
    font-size: clamp(3.5rem, 4.2vw, 5.5rem);
  }

  .deck-shell .slide-subtitle {
    font-size: clamp(1.3rem, 1.7vw, 1.65rem);
  }
}