/* ==========================================================================
   Detrás de Mi Historia — Sistema de diseño
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,500;0,600;0,700;1,500&family=Mulish:wght@400;500;600;700;800&display=swap');

:root {
  /* Paleta oficial */
  --petroleo: #142B2E;
  --petroleo-2: #1B393D;
  --dorado: #C5A45D;
  --dorado-claro: #D9BC7F;
  --arena: #F2E9DC;
  --terracota: #A8674F;
  --salvia: #66786B;
  --carbon: #2D2926;
  --marfil: #F7F2E8;

  --bg: var(--marfil);
  --bg-elevated: #ffffff;
  --text: var(--carbon);
  --text-soft: #5A5450;
  --border: #E4D9C6;
  --accent: var(--petroleo);
  --accent-2: var(--dorado);
  --danger: #9A4B3E;
  --focus: #8C6A2F;

  --radius-s: 10px;
  --radius-m: 16px;
  --radius-l: 24px;
  --shadow-s: 0 1px 3px rgba(20, 43, 46, 0.08);
  --shadow-m: 0 6px 20px rgba(20, 43, 46, 0.12);
  --shadow-l: 0 16px 40px rgba(20, 43, 46, 0.18);

  --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans: 'Mulish', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --max-w: 480px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-top: env(safe-area-inset-top, 0px);
  --nav-h: 64px;
}

:root[data-theme="dark"],
body.tema-oscuro {
  --bg: #0F2224;
  --bg-elevated: #16302F;
  --text: var(--marfil);
  --text-soft: #C7BCA8;
  --border: #274746;
  --accent: var(--dorado);
  --accent-2: var(--dorado-claro);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  justify-content: center;
}

#app {
  width: 100%;
  max-width: var(--max-w);
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--bg);
  position: relative;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-l);
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.25;
  margin: 0 0 0.5em;
  color: var(--text);
}

p { margin: 0 0 1em; line-height: 1.6; }
p:last-child { margin-bottom: 0; }

a { color: var(--accent-2); }

button { font-family: var(--font-sans); }

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

/* ---------- Layout scaffolding ---------- */

.pantalla {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding-bottom: calc(28px + var(--safe-bottom));
  animation: fadeIn 0.35s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}

.contenedor {
  padding: 20px 20px calc(36px + var(--safe-bottom));
  flex: 1;
}

/* Cuando no hay barra superior de navegación, el encabezado debe pegarse al borde superior real. */
.sin-navbar .topbar {
  top: var(--safe-top);
}

/* Espacio de seguridad extra para que los CTA finales nunca queden tapados por controles del navegador/preview. */
.sin-navbar .contenedor {
  padding-bottom: calc(72px + var(--safe-bottom));
}

.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: calc(14px + var(--safe-top)) 16px 14px;
  background: var(--bg);
  position: sticky;
  top: calc(var(--nav-h) + var(--safe-top));
  z-index: 20;
  border-bottom: 1px solid var(--border);
}

.topbar h1, .topbar h2 {
  font-size: 1.05rem;
  margin: 0;
  flex: 1;
}

.btn-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: var(--bg-elevated);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  cursor: pointer;
  box-shadow: var(--shadow-s);
  flex-shrink: 0;
}
.btn-icon:focus-visible, button:focus-visible, a:focus-visible, [tabindex]:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

/* ---------- Botones ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.98rem;
  letter-spacing: 0.02em;
  padding: 15px 22px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  width: 100%;
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
  text-decoration: none;
}
.btn:active { transform: scale(0.98); }

.btn-primary {
  background: linear-gradient(135deg, var(--petroleo), var(--petroleo-2));
  color: var(--marfil);
  box-shadow: var(--shadow-m);
}
.btn-gold {
  background: linear-gradient(135deg, var(--dorado-claro), var(--dorado));
  color: var(--petroleo);
  box-shadow: var(--shadow-m);
}
.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--border);
}
.btn-text {
  background: transparent;
  color: var(--text-soft);
  font-weight: 600;
  padding: 10px 12px;
}
.btn-danger {
  background: var(--danger);
  color: var(--marfil);
}
.btn-sm { padding: 10px 16px; font-size: 0.88rem; width: auto; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

/* ---------- Tarjetas ---------- */

.tarjeta {
  background: var(--bg-elevated);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-s);
  padding: 18px;
  border: 1px solid var(--border);
}

.tarjeta-ruta {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--bg-elevated);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-s);
  padding: 18px;
  border: 1px solid var(--border);
  cursor: pointer;
  width: 100%;
  text-align: left;
  font-family: var(--font-sans);
  color: var(--text);
  margin-bottom: 12px;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}
.tarjeta-ruta:hover, .tarjeta-ruta:active { box-shadow: var(--shadow-m); transform: translateY(-1px); }
.tarjeta-ruta .icono {
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--petroleo);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; flex-shrink: 0;
}
.tarjeta-ruta .titulo { display: block; font-weight: 700; font-size: 1rem; margin-bottom: 2px; }
.tarjeta-ruta .sub { display: block; font-size: 0.85rem; color: var(--text-soft); }
.tarjeta-ruta .flecha { margin-left: auto; color: var(--text-soft); }

.grid-rutas {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

/* ---------- Home / apertura ---------- */

.pantalla-apertura {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: var(--petroleo);
  overflow: hidden;
}
.pantalla-apertura .imagen-fondo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
}
.pantalla-apertura .velo {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(20,43,46,0.15) 0%, rgba(20,43,46,0.55) 55%, rgba(14,33,35,0.96) 100%);
}
.pantalla-apertura .contenido {
  position: relative;
  z-index: 2;
  padding: 32px 28px calc(40px + var(--safe-bottom));
  text-align: center;
  color: var(--marfil);
}
.pantalla-apertura .marca {
  font-family: var(--font-serif);
  font-size: 2.1rem;
  color: var(--marfil);
  margin-bottom: 10px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.35);
}
.pantalla-apertura .subtitulo {
  font-size: 1.02rem;
  color: var(--arena);
  margin-bottom: 30px;
  opacity: 0.95;
}
.pantalla-apertura .firma-portada {
  width: min(210px, 62vw);
  margin: -12px auto 20px;
  padding: 6px 10px;
  border-radius: 12px;
  background: rgba(247,242,232,0.92);
  box-shadow: 0 4px 16px rgba(0,0,0,0.16);
}
.pantalla-apertura .firma-portada img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}
.pantalla-apertura .acciones { display: flex; flex-direction: column; gap: 12px; }
.pantalla-apertura .btn-outline {
  color: var(--marfil);
  border-color: rgba(247,242,232,0.88);
  background: rgba(20,43,46,0.18);
  text-shadow: 0 1px 3px rgba(0,0,0,0.28);
}

/* ---------- Home principal ---------- */

.saludo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-bottom: 4px;
}
.saludo-sub { color: var(--text-soft); margin-bottom: 20px; }

.acceso-rapido {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 24px;
}
.acceso-rapido button {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  padding: 14px 10px;
  text-align: center;
  cursor: pointer;
  box-shadow: var(--shadow-s);
  font-family: var(--font-sans);
  color: var(--text);
}
.acceso-rapido .emoji { font-size: 1.4rem; display: block; margin-bottom: 6px; }
.acceso-rapido .label { font-size: 0.82rem; font-weight: 700; }

.seccion-titulo {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  margin: 24px 0 12px;
}

/* ---------- Navegación principal superior ---------- */

.navbar {
  position: sticky;
  top: 0;
  width: 100%;
  max-width: var(--max-w);
  min-height: calc(var(--nav-h) + var(--safe-top));
  display: flex;
  justify-content: space-around;
  align-items: flex-end;
  background: rgba(255,255,255,0.97);
  border-bottom: 1px solid var(--border);
  padding: calc(7px + var(--safe-top)) 4px 7px;
  z-index: 50;
  box-shadow: 0 2px 12px rgba(20,43,46,0.08);
  backdrop-filter: blur(10px);
}
.navbar button {
  background: none;
  border: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  font-size: 0.64rem;
  font-weight: 800;
  color: var(--text-soft);
  cursor: pointer;
  padding: 5px 4px;
  min-height: 46px;
  border-radius: 10px;
  flex: 1;
}
.navbar button .icono-nav { font-size: 1.12rem; line-height: 1; }
.navbar button.activo { color: var(--accent); background: rgba(20,43,46,0.05); }
.navbar button.activo .icono-nav { transform: translateY(-1px); }

/* ---------- Progreso / pasos ---------- */

.paso-indicador {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}
.barra-progreso {
  height: 5px;
  background: var(--border);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 24px;
}
.barra-progreso .relleno {
  height: 100%;
  background: linear-gradient(90deg, var(--dorado), var(--terracota));
  transition: width 0.3s ease;
}

.tarjeta-paso {
  background: var(--bg-elevated);
  border-radius: var(--radius-l);
  border: 1px solid var(--border);
  padding: 26px 22px;
  box-shadow: var(--shadow-s);
  margin-bottom: 20px;
}
.tarjeta-paso h3 { font-size: 1.2rem; margin-bottom: 14px; }

.lista-objetos { list-style: none; margin: 0; padding: 0; }
.lista-objetos li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.lista-objetos li:last-child { border-bottom: none; }
.lista-objetos .num {
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--arena);
  color: var(--petroleo);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 0.85rem; flex-shrink: 0;
}

.diagrama-colocacion {
  background: var(--petroleo);
  border-radius: var(--radius-m);
  padding: 28px 16px;
  color: var(--marfil);
  margin: 16px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  min-height: 140px;
  justify-content: center;
}
.nodo-diagrama {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  text-align: center;
}
.nodo-diagrama .punto {
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--dorado);
  border: 2px solid var(--marfil);
}
.nodo-diagrama.tu .punto { background: var(--terracota); }
.flecha-diagrama { font-size: 1.1rem; color: var(--dorado-claro); }
.fila-diagrama { display: flex; gap: 22px; align-items: flex-end; justify-content: center; flex-wrap: wrap; }

.frase-grande {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.3rem;
  line-height: 1.5;
  text-align: center;
  padding: 20px 6px;
  color: var(--text);
}
.frase-contexto {
  text-align: center;
  color: var(--text-soft);
  font-size: 0.85rem;
  margin-bottom: 6px;
}

.pantalla-oscura {
  background: var(--petroleo);
  color: var(--marfil);
  min-height: 100vh;
  min-height: 100dvh;
}
.pantalla-oscura .contenedor { color: var(--marfil); }
.pantalla-oscura .tarjeta-paso {
  background: rgba(247,242,232,0.06);
  border-color: rgba(247,242,232,0.14);
  color: var(--marfil);
}
.pantalla-oscura .frase-grande, .pantalla-oscura h3, .pantalla-oscura h2 { color: var(--marfil); }
.pantalla-oscura .paso-indicador, .pantalla-oscura .frase-contexto { color: var(--arena); opacity: 0.75; }
.pantalla-oscura .btn-outline { border-color: rgba(247,242,232,0.35); color: var(--marfil); }

/* ---------- Integración (emociones) ---------- */

.grid-emociones {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin: 16px 0;
}
.chip-emocion {
  padding: 14px 8px;
  border-radius: var(--radius-m);
  border: 1.5px solid var(--border);
  background: var(--bg-elevated);
  text-align: center;
  font-weight: 700;
  cursor: pointer;
  font-size: 0.9rem;
}
.chip-emocion.activo {
  border-color: var(--dorado);
  background: var(--arena);
  color: var(--petroleo);
}

textarea.campo-texto {
  width: 100%;
  min-height: 110px;
  border-radius: var(--radius-m);
  border: 1.5px solid var(--border);
  padding: 14px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  resize: vertical;
  background: var(--bg-elevated);
  color: var(--text);
}

/* ---------- Advertencia sensible ---------- */

.aviso-sensible {
  background: rgba(168, 103, 79, 0.12);
  border: 1px solid var(--terracota);
  border-radius: var(--radius-m);
  padding: 14px 16px;
  font-size: 0.88rem;
  color: var(--text);
  margin-bottom: 16px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

/* ---------- Mi recorrido ---------- */

.fila-recorrido {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.fila-recorrido:last-child { border-bottom: none; }
.fila-recorrido .nombre { font-weight: 700; }
.fila-recorrido .detalle { font-size: 0.82rem; color: var(--text-soft); }
.badge {
  font-size: 0.72rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--arena);
  color: var(--petroleo);
}
.badge.pendiente { background: var(--border); color: var(--text-soft); }

/* ---------- About / acerca ---------- */

.logo-autor {
  max-width: 220px;
  margin: 0 auto 16px;
  display: block;
}
.tarjeta-contacto {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  margin-bottom: 10px;
  text-decoration: none;
  color: var(--text);
}
.tarjeta-contacto .icono { font-size: 1.3rem; }

/* ---------- Libro / lectura ---------- */

.capitulo-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.capitulo-item h4 { margin-bottom: 6px; font-size: 1.02rem; }
.capitulo-item p { color: var(--text-soft); font-size: 0.92rem; }

/* ---------- Utilidades ---------- */

.centro { text-align: center; }
.muted { color: var(--text-soft); }
.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; }
.mb-0 { margin-bottom: 0; }
.oculto { display: none !important; }
.espaciador { flex: 1; }

.modal-fondo {
  position: fixed; inset: 0;
  background: rgba(20,43,46,0.55);
  z-index: 80;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  overflow-y: auto;
  padding: calc(14px + var(--safe-top)) 0 calc(96px + var(--safe-bottom));
}
.modal-hoja {
  background: var(--bg-elevated);
  width: 100%; max-width: var(--max-w);
  max-height: calc(100dvh - 28px - var(--safe-top));
  overflow-y: auto;
  overscroll-behavior: contain;
  border-radius: 22px;
  padding: 24px 22px calc(92px + var(--safe-bottom));
  box-shadow: var(--shadow-l);
  animation: subir 0.25s ease;
}
.modal-hoja h2 { margin-top: 0; }
@keyframes subir { from { transform: translateY(24px); opacity: 0.4; } to { transform: translateY(0); opacity: 1; } }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--petroleo);
  color: var(--marfil);
  padding: 10px 16px;
  z-index: 100;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

@media (min-width: 520px) {
  body { align-items: flex-start; }
  #app { min-height: 100vh; margin: 0 auto; }
}

/* ---------- Identidad de la app ---------- */
.topbar-marca { gap: 10px; }
.marca-portada {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  text-align: left;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
}
.logo-app-topbar {
  width: 38px;
  height: 38px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid rgba(197,164,93,0.55);
  box-shadow: var(--shadow-s);
  flex-shrink: 0;
}

/* ---------- WhatsApp contextual ---------- */
.whatsapp-flotante {
  position: relative;
  z-index: 15;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: auto;
  align-self: flex-end;
  margin: 10px 14px 0 auto;
  padding: 10px 15px;
  border-radius: 999px;
  background: #1f6f56;
  color: #fff;
  text-decoration: none;
  font-weight: 800;
  font-size: 0.84rem;
  box-shadow: 0 5px 16px rgba(20,43,46,0.20);
  border: 1px solid rgba(255,255,255,0.2);
}
.whatsapp-flotante.con-nav, .whatsapp-flotante.sin-nav { bottom: auto; }
.whatsapp-flotante:active { transform: scale(0.98); }

/* ---------- Orientación ---------- */
.orientacion-progreso {
  color: var(--text-soft);
  font-weight: 800;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}

/* ---------- Audio ---------- */
.audio-wrap {
  background: rgba(247,242,232,0.08);
  border: 1px solid rgba(247,242,232,0.16);
  border-radius: var(--radius-m);
  padding: 14px;
}
.audio-label {
  display: block;
  font-weight: 800;
  margin-bottom: 10px;
}
.audio-vis { width: 100%; }

/* ---------- Libro: secciones generales ---------- */
.libro-extra { padding: 0; overflow: hidden; }
.libro-extra summary {
  cursor: pointer;
  list-style: none;
  padding: 17px 18px;
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--text);
}
.libro-extra summary::-webkit-details-marker { display: none; }
.libro-extra summary::after {
  content: "＋";
  float: right;
  color: var(--dorado);
}
.libro-extra[open] summary::after { content: "−"; }
.libro-extra-contenido {
  padding: 0 18px 18px;
  border-top: 1px solid var(--border);
}
.libro-extra-contenido ol { padding-left: 22px; }
.libro-extra-contenido li { margin: 0 0 10px; line-height: 1.5; }

/* Logo profesional con transparencia real */
.logo-autor {
  max-width: 280px;
  width: 82%;
  height: auto;
  object-fit: contain;
}


@media (min-width: 520px) {
  /* Netlify y algunos navegadores de escritorio superponen controles en la parte baja.
     Este margen deja todos los botones accesibles sin afectar la PWA instalada en móvil. */
  .pantalla-apertura .contenido {
    padding-bottom: 132px;
  }
  .contenedor {
    padding-bottom: 132px;
  }
  .sin-navbar .contenedor {
    padding-bottom: 148px;
  }
  .modal-fondo {
    padding-bottom: 120px;
  }
}
@media (max-width: 380px) {
  .whatsapp-flotante { font-size: 0.8rem; padding: 9px 13px; }
}

/* V1.4: CTA secundario de portada con contraste inequívoco */
.pantalla-apertura .btn-secondary-splash {
  background: rgba(247,242,232,0.94);
  color: #142B2E !important;
  border: 2px solid rgba(247,242,232,0.98);
  box-shadow: 0 4px 18px rgba(0,0,0,0.18);
  text-shadow: none !important;
}
.pantalla-apertura .btn-secondary-splash span {
  color: #142B2E !important;
  opacity: 1 !important;
  visibility: visible !important;
}

/* Evita que la página de fondo mueva el menú Más y fuerza inicio visible */
body.modal-abierto { overflow: hidden; }
.modal-fondo { scroll-behavior: auto; }
.modal-hoja { scroll-behavior: auto; }
.modal-hoja > h2 {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--bg-elevated);
  padding: 2px 0 12px;
  margin-bottom: 4px;
}


/* ---------- Versión gratuita: contenido bloqueado ---------- */
.tarjeta-bloqueada {
  cursor: pointer;
}
.tarjeta-bloqueada .titulo {
  color: var(--text);
}
.tarjeta-bloqueada .sub {
  color: var(--text-soft);
}
.candado-ruta {
  font-size: 1rem;
  opacity: 0.82;
}
.recorrido-bloqueado {
  opacity: 0.82;
}
.capitulo-bloqueado h4 {
  display: flex;
  align-items: center;
  gap: 7px;
}
.modal-compra-hoja {
  text-align: center;
  max-width: 430px;
  align-self: center;
  padding-top: 28px;
}
.candado-grande {
  width: 58px;
  height: 58px;
  margin: 0 auto 14px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--arena);
  font-size: 1.55rem;
}
.compra-destacado {
  font-family: var(--font-serif);
  font-size: 1.08rem;
  font-weight: 700;
  margin: 8px 0 12px;
}
.modal-compra .btn-gold {
  text-decoration: none;
}
.modal-compra {
  align-items: center;
}

/* Logo profesional oficial de Alberto — integrado en portada y Acerca de Alberto */
.logo-autor {
  max-width: 360px;
  width: min(92%, 360px);
  height: auto;
  object-fit: contain;
  background: #E2E7EF;
  border-radius: 14px;
  padding: 8px 10px;
}