/* ============================================================
   EL CÓDIGO DE LA CONVERSIÓN — styles.css
   Metodología: BEM. Colores medidos del mockup original.
   ============================================================ */

/* ------------------------------------------------------------
   0. FUENTE SELF-HOSTED (blackletter de la marca)
   ------------------------------------------------------------ */
@font-face {
  font-family: 'Cook Conthic';
  src: url('assets/fonts/cook-conthic.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ------------------------------------------------------------
   1. VARIABLES
   ------------------------------------------------------------ */
:root {
  /* Colores (muestreados del mockup) */
  --c-red:          #CB3B3A;   /* fondo rojo principal */
  --c-red-deep:     #A82E2D;   /* hover de botones rojos */
  --c-dark:         #4C4C4C;   /* secciones oscuras */
  --c-dark-deep:    #3E3E3E;
  --c-cream:        #E8D7B0;   /* fondo crema de secciones */
  --c-cream-bright: #FFEBBF;   /* acentos, titulares crema, botones */
  --c-offwhite:     #FFF9EB;   /* fondo de cards */
  --c-white:        #F8F4ED;   /* líneas blancas de titulares */
  --c-ink:          #1C1C1C;   /* texto sobre claros / bordes */
  --c-black:        #000000;   /* sombras sólidas */

  /* Tipografía — Cook Conthic es la display real de la marca (provista) */
  --f-display: 'Cook Conthic', 'Arial Narrow', sans-serif; /* todos los titulares */
  --f-heading: 'Cook Conthic', 'Arial Narrow', sans-serif; /* títulos menores */
  --f-mono:    'JetBrains Mono', 'Courier New', monospace; /* cuerpo mono */
  --f-sans:    'Inter', system-ui, -apple-system, sans-serif;

  /* Escala tipográfica fluida */
  --fs-h1:      clamp(2.6rem, 5.6vw, 4.9rem);
  --fs-h2:      clamp(2rem, 4.2vw, 3.6rem);
  --fs-h2-sm:   clamp(1.75rem, 3.4vw, 2.75rem);
  --fs-h3:      clamp(1.15rem, 1.8vw, 1.5rem);
  --fs-body:    clamp(0.95rem, 1.15vw, 1.06rem);
  --fs-small:   0.85rem;
  --fs-eyebrow: 0.82rem;

  /* Espaciados */
  --sp-1: 0.5rem;
  --sp-2: 1rem;
  --sp-3: 1.5rem;
  --sp-4: 2rem;
  --sp-5: 3rem;
  --sp-6: 4.5rem;
  --sp-section: clamp(4rem, 9vw, 7.5rem);

  /* Layout */
  --container: 1240px;
  --gutter: clamp(1.25rem, 5vw, 4rem);

  /* Bordes y sombras (estética retro de sombra sólida) */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --border-ink: 1.5px solid var(--c-ink);
  --shadow-red:   10px 10px 0 0 var(--c-red);
  --shadow-black: 10px 10px 0 0 rgba(0, 0, 0, 0.85);
  --shadow-btn:   4px 4px 0 0 rgba(0, 0, 0, 0.85);

  /* Animaciones */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --t-fast: 0.2s var(--ease);
  --t-med: 0.45s var(--ease);
  --t-reveal: 0.7s var(--ease);

  /* Breakpoints de referencia (documentación):
     1280 / 1024 / 768 / 480 px */
}

/* ------------------------------------------------------------
   2. RESET / BASE
   ------------------------------------------------------------ */
*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--f-mono);
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--c-ink);
  background: var(--c-red);
  overflow-x: hidden;
}

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

a { color: inherit; }

ul, ol { list-style: none; }

s { text-decoration: line-through; }

/* Anclas: dejan aire al llegar con scroll */
section[id] { scroll-margin-top: 4.5rem; }

/* Focus visible consistente (WCAG) */
:focus-visible {
  outline: 3px solid var(--c-cream-bright);
  outline-offset: 3px;
  border-radius: 2px;
}
.section--cream :focus-visible,
.libro :focus-visible,
.indice :focus-visible,
.bonus :focus-visible {
  outline-color: var(--c-ink);
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 100;
  padding: 0.75rem 1.25rem;
  background: var(--c-ink);
  color: var(--c-offwhite);
  font-family: var(--f-mono);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: top var(--t-fast);
}
.skip-link:focus { top: 1rem; }

/* Contenedor */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ------------------------------------------------------------
   3. UTILIDADES DE TEXTO
   ------------------------------------------------------------ */
.t-cream { color: var(--c-cream-bright); }
.t-white { color: var(--c-white); }
.t-dark  { color: var(--c-dark); }

/* Eyebrow: "01 — EL PROBLEMA" */
.eyebrow {
  font-family: var(--f-mono);
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: var(--sp-3);
}
.eyebrow--cream { color: var(--c-cream-bright); }
.eyebrow--red   { color: var(--c-red); }

/* Eyebrow con rayo a la izquierda (hero / oferta).
   Usa el mismo arte que los rayos decorativos, enmascarado para
   que herede el color del texto. */
.eyebrow--dash {
  color: var(--c-cream-bright);
  display: flex;
  align-items: center;
  gap: 0.85rem;
}
.eyebrow--dash::before {
  content: "";
  width: 0.85rem;   /* proporción nativa 20 × 34 */
  height: 1.45rem;
  flex-shrink: 0;
  background-image: url("assets/img/rayo-eyebrow.png");
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
}

/* Títulos de sección (Cook Conthic) */
.section-title {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: var(--fs-h2);
  line-height: 1.08;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  margin-bottom: var(--sp-4);
}

/* ------------------------------------------------------------
   4. BOTONES
   ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--f-mono);
  font-weight: 700;
  font-size: 1rem;
  white-space: nowrap; /* el texto del botón nunca se parte en dos líneas */
  text-decoration: none;
  padding: 1.05rem 2.2rem;
  border: var(--border-ink);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-btn);
  cursor: pointer;
  transition: transform var(--t-fast), box-shadow var(--t-fast), background-color var(--t-fast);
  will-change: transform;
}
.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 0 rgba(0, 0, 0, 0.85);
}
.btn:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 0 rgba(0, 0, 0, 0.85);
}

.btn__arrow {
  display: inline-block;
  transition: transform var(--t-fast);
}
.btn:hover .btn__arrow { transform: translateX(4px); }

/* Variantes */
.btn--cream { background: var(--c-cream-bright); color: var(--c-ink); }
.btn--cream:hover { background: var(--c-offwhite); }

.btn--red { background: var(--c-red); color: var(--c-offwhite); }
.btn--red:hover { background: var(--c-red-deep); }

.btn--ghost {
  background: transparent;
  color: var(--c-cream-bright);
  border-color: var(--c-cream-bright);
  box-shadow: none;
}
.btn--ghost:hover {
  background: rgba(255, 235, 191, 0.08);
  transform: translate(0, -2px);
  box-shadow: none;
}

.btn--sm { padding: 0.65rem 1.4rem; font-size: 0.9rem; }
.btn--block { width: 100%; }

/* Bloque CTA centrado con microcopy */
.section-cta {
  text-align: center;
  margin-top: var(--sp-5);
}
.section-cta--left { text-align: left; }
.section-cta__note {
  margin-top: var(--sp-2);
  font-size: var(--fs-small);
  color: var(--c-dark);
  opacity: 0.85;
}
.section-cta__note--cream { color: var(--c-cream-bright); opacity: 0.9; }

/* ------------------------------------------------------------
   5. FONDOS DE SECCIÓN
   ------------------------------------------------------------ */
.section--dark  { background: var(--c-dark);  color: var(--c-white); }
.section--cream { background: var(--c-cream); color: var(--c-ink); }
.section--red   { background: var(--c-red);   color: var(--c-white); }

/* Rayos decorativos (arte provisto, tamaño casi nativo).
   Se posicionan dentro del .container para alinearse con el contenido */
.bolt {
  position: absolute;
  width: 88px;
  height: auto;
  pointer-events: none;
  opacity: 0.9;
}
.perfiles .container,
.indice .container,
.bonus .container { position: relative; }

/* ------------------------------------------------------------
   6. HEADER STICKY (aparece al scrollear)
   ------------------------------------------------------------ */
.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 50;
  background: rgba(28, 28, 28, 0.96);
  border-bottom: 1px solid rgba(255, 235, 191, 0.2);
  transform: translateY(-100%);
  transition: transform 0.35s var(--ease);
}
.site-header.is-visible { transform: translateY(0); }

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding-block: 0.6rem;
}
.site-header__brand { display: inline-flex; align-items: center; }
.site-header__brand img { width: 62px; height: auto; }
.site-header__price {
  margin-left: auto;
  font-family: var(--f-mono);
  font-weight: 700;
  color: var(--c-white);
  font-size: 0.95rem;
}

/* ------------------------------------------------------------
   7. HERO
   ------------------------------------------------------------ */
.hero {
  position: relative;
  background: var(--c-red);
  /* menos aire que en el resto de las secciones, simétrico arriba/abajo */
  padding-block: clamp(2.5rem, 5vw, 4rem);
  overflow: hidden;
}

/* Líneas diagonales sutiles de fondo + parallax leve vía JS */
.hero__lines {
  position: absolute;
  inset: -20%;
  background:
    linear-gradient(115deg, transparent 24.9%, rgba(255, 235, 191, 0.16) 25%, rgba(255, 235, 191, 0.16) 25.08%, transparent 25.2%),
    linear-gradient(115deg, transparent 57.9%, rgba(255, 235, 191, 0.13) 58%, rgba(255, 235, 191, 0.13) 58.08%, transparent 58.2%),
    linear-gradient(65deg, transparent 79.9%, rgba(255, 235, 191, 0.1) 80%, rgba(255, 235, 191, 0.1) 80.08%, transparent 80.2%);
  will-change: transform;
}

.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}

.hero__title {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: var(--fs-h1);
  line-height: 1.05;
  text-transform: uppercase;
  margin-bottom: var(--sp-4);
}

.hero__sub {
  color: var(--c-cream-bright);
  max-width: 46ch;
  margin-bottom: var(--sp-5);
}

.hero__includes {
  font-size: var(--fs-small);
  color: var(--c-cream-bright);
  opacity: 0.9;
  margin-bottom: var(--sp-2);
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-bottom: var(--sp-3);
}

.hero__trust {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-small);
  color: var(--c-cream-bright);
  opacity: 0.85;
}

/* ------------------------------------------------------------
   8. TAPAS DEL EBOOK (arte real: rotación y sombra horneadas)
   ------------------------------------------------------------ */
/* Render 3D del libro (fondo transparente, sombra horneada) */
.hero__cover {
  display: flex;
  justify-content: center;
}
.hero__cover img {
  width: clamp(380px, 43vw, 630px);
  max-width: none; /* puede exceder su columna; el hero recorta si hace falta */
  height: auto;
  /* sombra sutil que sigue la silueta del libro (no el rectángulo) */
  filter: drop-shadow(0 30px 45px rgba(0, 0, 0, 0.35));
  transition: transform 0.5s var(--ease), filter 0.5s var(--ease);
  will-change: transform;
}
.hero__cover:hover img {
  transform: translateY(-8px);
  filter: drop-shadow(0 40px 55px rgba(0, 0, 0, 0.4));
}

/* La tapa ocupa exactamente la altura del bloque de texto:
   desde el eyebrow hasta el último ítem de la checklist */
.beneficios__cover {
  align-self: stretch;
  display: flex;
  justify-content: center;
}
.beneficios__cover img {
  height: 100%;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  /* sin sombra: el arte es una infografía que se funde con el fondo */
}

/* ------------------------------------------------------------
   9. EL PROBLEMA + TICKER
   ------------------------------------------------------------ */
.problema { padding-top: var(--sp-section); }

/* Títulos en dos líneas exactas (problema y oferta): cada span es una
   línea completa, con tamaño fluido ajustado al ancho de su columna */
.problema__content .section-title,
.oferta__content .section-title { font-size: clamp(1.75rem, 2.9vw, 3.3rem); }
.problema__content .section-title span,
.oferta__content .section-title span { white-space: nowrap; }

/* Texto a la izquierda, ilustración a la derecha sin pisarse */
.problema__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
  padding-bottom: var(--sp-section);
}

.problema__body {
  font-family: var(--f-sans);
  max-width: 62ch;
  display: grid;
  gap: var(--sp-3);
}
.problema__body strong { font-weight: 700; color: var(--c-white); }

/* Ilustración completa, ocupando todo el ancho de su columna,
   centrada verticalmente respecto del texto */
.problema__figure img {
  width: 100%;
  height: auto;
}

/* Evitar palabras viudas en párrafos y títulos (progressive enhancement) */
p, .section-title { text-wrap: pretty; }

/* Marquee infinito */
.ticker {
  border-top: 1px solid var(--c-cream);
  border-bottom: 1px solid var(--c-cream);
  overflow: hidden;
  padding-block: 1.1rem;
}
.ticker__track {
  display: flex;
  width: max-content;
  animation: ticker-scroll 28s linear infinite;
}
.ticker:hover .ticker__track { animation-play-state: paused; }

.ticker__group {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.ticker__group span {
  font-family: var(--f-mono);
  color: var(--c-cream-bright);
  white-space: nowrap;
}
.ticker__sep {
  width: 3rem;
  height: 1px;
  background: var(--c-cream-bright);
  margin-inline: 2.5rem;
  opacity: 0.7;
}

@keyframes ticker-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ------------------------------------------------------------
   10. QUÉ ES ESTE LIBRO (cards 01-03)
   ------------------------------------------------------------ */
.libro { padding-block: var(--sp-section); }

.libro__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.25rem, 3vw, 2.5rem);
  margin-top: var(--sp-5);
}

.pillar-card {
  background: var(--c-offwhite);
  border: var(--border-ink);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-red);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  transition: transform var(--t-med), box-shadow var(--t-med);
}
.pillar-card:hover {
  transform: translate(-4px, -6px);
  box-shadow: 14px 16px 0 0 var(--c-red);
}

.pillar-card__num {
  font-family: var(--f-display);
  font-size: clamp(2.6rem, 4.5vw, 3.4rem);
  color: var(--c-red);
  line-height: 1;
  margin-bottom: var(--sp-2);
}

.pillar-card__title {
  font-family: var(--f-heading);
  font-weight: 700;
  font-size: var(--fs-h3);
  text-transform: uppercase;
  color: var(--c-dark);
  margin-bottom: var(--sp-2);
}

.pillar-card__text { font-size: 0.92rem; line-height: 1.7; }

/* ------------------------------------------------------------
   11. PARA QUIÉN ES (perfiles)
   ------------------------------------------------------------ */
.perfiles {
  position: relative;
  padding-block: var(--sp-section);
}
.perfiles .bolt { top: 0; right: var(--gutter); }

.perfiles__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.75rem, 4vw, 3rem);
  margin-top: var(--sp-6);
}

.profile-card { position: relative; }
.profile-card--wide { grid-column: 1 / -1; }

/* Chip de ícono superpuesto a la caja */
.profile-card__icon {
  position: absolute;
  top: -1.4rem;
  left: 0;
  z-index: 1;
  display: grid;
  place-content: center;
  width: 3.4rem;
  height: 3.4rem;
  background: var(--c-cream-bright);
  color: var(--c-red);
  border: var(--border-ink);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-btn);
  transition: transform var(--t-fast);
}
.profile-card:hover .profile-card__icon { transform: translateY(-4px) rotate(-4deg); }

.profile-card__box {
  border: 1px solid var(--c-cream-bright);
  border-radius: var(--radius-md);
  padding: 2.4rem 2rem 1.75rem 2rem;
  margin-left: 1.4rem;
  min-height: 100%;
  transition: background-color var(--t-med);
}
.profile-card:hover .profile-card__box { background: rgba(255, 235, 191, 0.06); }

.profile-card__title {
  font-family: var(--f-heading);
  font-weight: 700;
  font-size: clamp(1.3rem, 2.1vw, 1.7rem);
  line-height: 1.2;
  text-transform: uppercase;
  color: var(--c-cream-bright);
  margin-bottom: 0.6rem;
}

.profile-card__text {
  color: var(--c-offwhite);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* ------------------------------------------------------------
   12. LO QUE VAS A PODER HACER (beneficios)
   ------------------------------------------------------------ */
.beneficios { padding-block: var(--sp-section); }

.beneficios__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

.check-list {
  display: grid;
  gap: var(--sp-3);
  margin-top: var(--sp-4);
}
.check-list li {
  position: relative;
  padding-left: 3rem;
  color: var(--c-offwhite);
  font-size: 0.95rem;
  max-width: 46ch;
}
/* Ícono de sello con check (inline SVG en máscara) */
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.1rem;
  width: 1.65rem;
  height: 1.65rem;
  background: currentColor;
  -webkit-mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="1.6"><path d="M12 2l2.2 1.8 2.8-.5 1 2.7 2.7 1-.5 2.8L22 12l-1.8 2.2.5 2.8-2.7 1-1 2.7-2.8-.5L12 22l-2.2-1.8-2.8.5-1-2.7-2.7-1 .5-2.8L2 12l1.8-2.2-.5-2.8 2.7-1 1-2.7 2.8.5z"/><path d="M8.5 12l2.5 2.5 4.5-5"/></svg>') center / contain no-repeat;
          mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="1.6"><path d="M12 2l2.2 1.8 2.8-.5 1 2.7 2.7 1-.5 2.8L22 12l-1.8 2.2.5 2.8-2.7 1-1 2.7-2.8-.5L12 22l-2.2-1.8-2.8.5-1-2.7-2.7-1 .5-2.8L2 12l1.8-2.2-.5-2.8 2.7-1 1-2.7 2.8.5z"/><path d="M8.5 12l2.5 2.5 4.5-5"/></svg>') center / contain no-repeat;
}

/* ------------------------------------------------------------
   13. ÍNDICE (14 capítulos)
   ------------------------------------------------------------ */
.indice {
  position: relative;
  padding-block: var(--sp-section);
}
.indice .bolt { top: 0; right: calc(var(--gutter) + 1rem); }

.chapters {
  counter-reset: chapter;
  margin-top: var(--sp-5);
  border-top: 1px solid rgba(76, 76, 76, 0.35);
}

.chapter {
  display: grid;
  grid-template-columns: clamp(5rem, 11vw, 8.5rem) 1fr;
  gap: clamp(1rem, 4vw, 3.5rem);
  align-items: center;
  padding-block: clamp(1.5rem, 3vw, 2.4rem);
  /* aire lateral para que el número respire en hover */
  padding-inline: clamp(1rem, 2vw, 2rem);
  border-bottom: 1px solid rgba(76, 76, 76, 0.35);
  transition: background-color var(--t-med), transform var(--t-med);
}
.chapter:hover {
  /* apenas un tono más claro que el fondo crema */
  background: rgba(255, 249, 235, 0.3);
  transform: translateX(4px);
}

.chapter__num {
  font-family: var(--f-display);
  font-size: clamp(3.5rem, 7vw, 5.6rem);
  line-height: 1;
  color: var(--c-red);
  text-align: left;
}

.chapter__title {
  font-family: var(--f-heading);
  font-weight: 700;
  font-size: clamp(1.45rem, 2.6vw, 2.05rem);
  line-height: 1.15;
  text-wrap: balance; /* reparte las dos líneas sin dejar viudas */
  text-transform: uppercase;
  color: var(--c-dark);
  margin-bottom: 0.4rem;
}

.chapter__desc {
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--c-dark);
  max-width: 58ch;
}

/* ------------------------------------------------------------
   14. TESTIMONIOS (panel oscuro inset sobre rojo)
   ------------------------------------------------------------ */
.social {
  background: var(--c-red);
  /* la parte superior del fondo conserva el crema de la sección anterior */
  background: linear-gradient(to bottom, var(--c-cream) 0 90px, var(--c-red) 90px);
  padding-bottom: var(--sp-section);
}

.social__panel {
  max-width: calc(var(--container) + 8rem);
  margin-inline: auto;
  background: var(--c-dark);
  color: var(--c-white);
  padding-block: var(--sp-section);
  box-shadow: 14px 14px 0 0 rgba(0, 0, 0, 0.25);
}

.social__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

.social__aside {
  max-width: 300px;
  text-align: right;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--c-cream);
  opacity: 0.9;
}
.social__aside svg { margin-left: auto; margin-bottom: 0.5rem; }

.social__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.25rem, 3vw, 2.25rem);
  margin-top: var(--sp-5);
}

.quote-card {
  background: var(--c-offwhite);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-black);
  transition: transform var(--t-med), box-shadow var(--t-med);
}
.quote-card:hover {
  transform: translate(-3px, -5px);
  box-shadow: 13px 15px 0 0 rgba(0, 0, 0, 0.85);
}

.quote-card blockquote {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 1.75rem 1.6rem 0;
}

.quote-card__mark {
  font-family: var(--f-sans);
  font-weight: 700;
  font-size: 2.6rem;
  line-height: 0.6;
  color: var(--c-red);
  margin-bottom: 1rem;
}

.quote-card p {
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--c-black);
}
/* aire entre la última línea del testimonio y el separador del nombre */
.quote-card blockquote > p { padding-bottom: 1.75rem; }

.quote-card footer {
  margin-top: auto;
  border-top: 1px solid rgba(28, 28, 28, 0.25);
  padding-block: 1.1rem;
  margin-inline: -1.6rem;
  padding-inline: 1.6rem;
}

.quote-card__name {
  font-style: normal;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--c-black);
  display: block;
  margin-bottom: 0.2rem;
}

.quote-card__role {
  font-size: 0.72rem !important;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(28, 28, 28, 0.65) !important;
}

/* ------------------------------------------------------------
   15. SOBRE EL AUTOR
   ------------------------------------------------------------ */
.autor { padding-block: var(--sp-section); }

.autor__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1fr);
  gap: clamp(2.5rem, 6vw, 5.5rem);
  align-items: start;
  margin-top: var(--sp-4);
}

/* Foto del autor: sombra desplazada y esquinas ya horneadas en el arte */
.autor__photo img {
  width: 100%;
  height: auto;
}

.autor__content {
  display: grid;
  gap: var(--sp-3);
  color: var(--c-white);
  font-size: 0.95rem;
}
.autor__content strong { font-weight: 700; }

.autor__stats {
  display: grid;
  grid-template-columns: repeat(4, auto);
  justify-content: space-between;
  align-items: end;
  gap: var(--sp-3);
  border-top: 1px solid rgba(248, 244, 237, 0.5);
  padding-top: var(--sp-3);
  margin-top: var(--sp-2);
}

.stat__value {
  font-family: var(--f-display);
  font-size: 1.9rem;
  line-height: 1;
  color: var(--c-cream-bright);
  margin-bottom: 0.3rem;
}

.stat__label {
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--c-cream);
  opacity: 0.9;
}

.stat__link {
  display: grid;
  gap: 0.35rem;
  justify-items: start;
  color: var(--c-cream-bright);
  text-decoration: none;
  transition: opacity var(--t-fast);
}
.stat__link:hover { opacity: 0.8; }

/* ------------------------------------------------------------
   16. BONUS (grilla 2x2 con bordes compartidos)
   ------------------------------------------------------------ */
.bonus {
  position: relative;
  padding-block: var(--sp-section);
  overflow: hidden;
}
.bonus .bolt { top: -1rem; right: var(--gutter); }

.bonus__sub {
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  max-width: 44ch;
  margin-bottom: var(--sp-5);
}

.bonus__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 2px solid var(--c-dark);
  border-radius: var(--radius-md);
  overflow: hidden; /* recorta las esquinas internas */
}

.bonus-card {
  padding: clamp(1.75rem, 3.5vw, 2.75rem);
  border: 0 solid var(--c-dark);
  transition: background-color var(--t-med);
}
.bonus-card:hover { background: rgba(255, 249, 235, 0.55); }
/* bordes internos compartidos */
.bonus-card:nth-child(odd)  { border-right-width: 1.5px; }
.bonus-card:nth-child(-n+2) { border-bottom-width: 1.5px; }

.bonus-card__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--sp-2);
  border-bottom: 1px dotted rgba(76, 76, 76, 0.5);
  padding-bottom: 1.1rem;
  margin-bottom: 1.4rem;
}

/* Etiqueta tipo eyebrow: no parece botón, acompaña al sistema tipográfico */
.bonus-card__chip {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--f-mono);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--c-red);
}
.bonus-card__chip::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  background: var(--c-red);
  flex-shrink: 0;
}

.bonus-card__meta {
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  white-space: nowrap;
  text-align: right;
  color: var(--c-dark);
}
.bonus-card__meta strong { font-weight: 700; }

.bonus-card__title {
  font-family: var(--f-mono);
  font-weight: 700;
  font-size: clamp(0.95rem, 1.35vw, 1.15rem);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--c-red);
  margin-bottom: var(--sp-2);
}

.bonus-card__text { font-size: 0.98rem; line-height: 1.7; }

/* ------------------------------------------------------------
   17. FAQ (accordion)
   ------------------------------------------------------------ */
.faq { padding-block: var(--sp-section); }

.faq__list {
  margin-top: var(--sp-4);
  border-top: 1px solid rgba(232, 215, 176, 0.4);
}

.faq-item { border-bottom: 1px solid rgba(232, 215, 176, 0.4); }

.faq-item__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  width: 100%;
  background: none;
  border: 0;
  cursor: pointer;
  text-align: left;
  padding-block: 1.6rem;
  /* JetBrains Mono: más aire entre letras, mejor legibilidad que la
     display condensada en este tamaño */
  font-family: var(--f-mono);
  font-weight: 700;
  font-size: clamp(0.92rem, 1.35vw, 1.1rem);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--c-cream-bright);
  transition: opacity var(--t-fast);
}
.faq-item__trigger:hover { opacity: 0.85; }

/* Ícono: círculo con "+" que rota a "x" al abrir */
.faq-item__icon {
  position: relative;
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  border: 1.5px solid var(--c-cream-bright);
  border-radius: 50%;
  transition: transform 0.35s var(--ease);
}
.faq-item__icon::before,
.faq-item__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0.9rem;
  height: 1.5px;
  background: var(--c-cream-bright);
  translate: -50% -50%;
}
.faq-item__icon::after { rotate: 90deg; }
.faq-item__trigger[aria-expanded="true"] .faq-item__icon { transform: rotate(45deg); }

/* Panel animado por grid-rows (sin layout shift brusco) */
.faq-item__panel {
  display: grid;
  grid-template-rows: 0fr;
  overflow: hidden;
  transition: grid-template-rows 0.4s var(--ease);
}
.faq-item__panel > p {
  min-height: 0;
  overflow: hidden;
  max-width: 72ch;
  font-size: 0.98rem;
  color: var(--c-cream);
  opacity: 0;
  transition: opacity 0.3s ease 0.1s;
}
.faq-item--open .faq-item__panel { grid-template-rows: 1fr; }
.faq-item--open .faq-item__panel > p { opacity: 1; padding-bottom: 1.6rem; }

/* ------------------------------------------------------------
   18. OFERTA FINAL
   ------------------------------------------------------------ */
.oferta {
  position: relative;
  padding-block: var(--sp-section);
  overflow: hidden;
}

.oferta__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
  gap: clamp(2.5rem, 6vw, 5.5rem);
  align-items: center;
}

.oferta__sub {
  color: var(--c-cream-bright);
  max-width: 42ch;
  margin-bottom: var(--sp-4);
}

/* Card de precio */
.price-card {
  background: var(--c-offwhite);
  color: var(--c-ink);
  border: var(--border-ink);
  border-radius: var(--radius-lg);
  box-shadow: 22px 26px 0 0 rgba(0, 0, 0, 0.88);
  overflow: hidden;
}

.price-card__top { padding: clamp(1.75rem, 3.5vw, 2.75rem); }

.price-card__price {
  font-family: var(--f-display);
  font-size: clamp(2.5rem, 4.5vw, 3.4rem);
  color: var(--c-red);
  line-height: 1;
  margin-bottom: var(--sp-3);
}

.price-card__list { display: grid; gap: 0.85rem; }
.price-card__list li {
  position: relative;
  padding-left: 2.1rem;
  font-size: 0.92rem;
  text-wrap: pretty;
}
/* doble check */
.price-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.18rem;
  width: 1.25rem;
  height: 1.25rem;
  background: var(--c-ink);
  -webkit-mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="2.4"><path d="M1.5 12.5l5 5L17 7"/><path d="M12 17.5L22.5 7"/></svg>') center / contain no-repeat;
          mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="2.4"><path d="M1.5 12.5l5 5L17 7"/><path d="M12 17.5L22.5 7"/></svg>') center / contain no-repeat;
}

.price-card__bottom {
  border-top: var(--border-ink);
  padding: clamp(1.5rem, 3vw, 2.25rem);
}

.price-card__trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  margin-top: var(--sp-2);
  font-size: 0.78rem;
  color: rgba(28, 28, 28, 0.7);
}

/* ------------------------------------------------------------
   19. FOOTER
   ------------------------------------------------------------ */
.site-footer {
  background: var(--c-dark);
  border-top: 8px solid var(--c-red);
  color: var(--c-cream);
  padding-block: var(--sp-5);
}

/* Marca a la izquierda, Data Fiscal a la derecha */
.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
}

.site-footer__afip { flex-shrink: 0; line-height: 0; }
.site-footer__afip img {
  width: 60px;
  height: auto;
  transition: opacity var(--t-fast);
}
.site-footer__afip:hover img { opacity: 0.85; }

.site-footer__brand { margin-bottom: var(--sp-3); }
.site-footer__brand img { width: 167px; height: auto; }

.site-footer__legal {
  font-size: 0.82rem;
  line-height: 1.7;
  opacity: 0.85;
}

/* ------------------------------------------------------------
   20. BOTÓN VOLVER ARRIBA
   ------------------------------------------------------------ */
.to-top {
  position: fixed;
  right: 1.4rem;
  bottom: 1.4rem;
  z-index: 40;
  display: grid;
  place-content: center;
  width: 3rem;
  height: 3rem;
  background: var(--c-cream-bright);
  color: var(--c-ink);
  border: var(--border-ink);
  border-radius: 50%;
  box-shadow: var(--shadow-btn);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--t-med), transform var(--t-med), visibility var(--t-med);
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { transform: translateY(-3px); }

/* ------------------------------------------------------------
   21. SCROLL REVEAL (activado por JS)
   ------------------------------------------------------------ */
/* Solo se ocultan si el JS cargó (html.js): sin JS todo es visible */
html.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--t-reveal), transform var(--t-reveal);
  transition-delay: var(--reveal-delay, 0s);
}
html.js .reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.js .reveal { opacity: 1; transform: none; transition: none; }
  .ticker__track { animation: none; }
  .hero__cover img { transition: none; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

/* ============================================================
   22. RESPONSIVE
   Diseñado mobile-friendly de forma intencional, no comprimido.
   ============================================================ */

/* --- ≤1280px: contenedor y tipografía se ajustan solos (clamp) --- */

/* --- ≤1024px (tablet horizontal) --- */
@media (max-width: 1024px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__cover { order: -1; }
  .hero__cover img { width: min(420px, 78vw); }

  .problema__grid { grid-template-columns: 1fr; }
  .problema__figure { max-width: 620px; }

  .libro__cards { grid-template-columns: 1fr 1fr; }
  .libro__cards .pillar-card:last-child { grid-column: 1 / -1; }

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

  .beneficios__grid { grid-template-columns: 1fr; }
  .beneficios__cover { display: none; } /* la tapa ya se vio en el hero */

  .oferta__grid { grid-template-columns: 1fr; }
  .price-card { max-width: 560px; }
}

/* --- ≤768px (tablet vertical) --- */
@media (max-width: 768px) {
  :root { --shadow-red: 7px 7px 0 0 var(--c-red); --shadow-black: 7px 7px 0 0 rgba(0,0,0,0.85); }

  /* en mobile la tapa va arriba: menos aire contra el borde superior */
  .hero { padding-block: 1.25rem var(--sp-6); }

  .libro__cards { grid-template-columns: 1fr; }
  .libro__cards .pillar-card:last-child { grid-column: auto; }
  .pillar-card__title { font-size: 1.6rem; line-height: 1.2; }
  .pillar-card__text { line-height: 1.5; }

  .perfiles__grid { grid-template-columns: 1fr; gap: 3rem; margin-top: var(--sp-6); }
  .perfiles .section-title { font-size: 9.9vw; margin-bottom: var(--sp-4); }
  /* más aire entre el ícono superpuesto y el título del bloque */
  .profile-card__box { padding: 3.2rem 1.4rem 1.5rem; }
  .profile-card__title { font-size: 1.45rem; line-height: 1.2; }
  .profile-card__text { line-height: 1.5; }

  .social__grid { grid-template-columns: 1fr; }
  .social__head { flex-direction: column; }
  .social__aside { text-align: left; max-width: none; }
  .social__aside svg { margin-left: 0; }

  .autor__grid { grid-template-columns: 1fr; }
  .autor__photo { max-width: 480px; }
  .autor__stats { grid-template-columns: repeat(2, 1fr); gap: var(--sp-4) var(--sp-3); }
  .stat__value { font-size: 2.4rem; }
  /* etiqueta siempre en una sola línea */
  .stat__label { font-size: clamp(0.78rem, 3.4vw, 0.88rem); white-space: nowrap; }
  .stat__link svg { width: 32px; height: 32px; }

  /* los rayos decorativos no aportan en pantallas chicas */
  .bolt { display: none; }

  .bonus__grid { grid-template-columns: 1fr; }
  /* subtítulo compacto: dos líneas y menos interlineado */
  .bonus__sub { font-size: 1rem; line-height: 1.45; }
  /* cabecera apilada: etiqueta arriba, valor abajo, ambos a la izquierda */
  .bonus-card__head {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  .bonus-card__meta { text-align: left; }
  .bonus-card:nth-child(odd) { border-right-width: 0; }
  .bonus-card:not(:last-child) { border-bottom-width: 1.5px; }

  /* número alineado con la primera línea del título */
  .chapter { grid-template-columns: auto 1fr; align-items: start; }
  .chapter__num { font-size: 3rem; margin-top: -0.08em; }

  /* rayo del eyebrow algo más chico */
  .eyebrow--dash::before { width: 0.8rem; height: 1.45rem; }
  /* títulos que llenan el ancho de la columna en mobile */
  .oferta__content .section-title { font-size: 10vw; }
  .social .section-title { font-size: 9.4vw; }

  /* footer: Data Fiscal debajo de la marca */
  .site-footer__inner { flex-direction: column; align-items: flex-start; gap: var(--sp-3); }

  .site-header__price { display: none; }
  /* sin el precio, el botón toma el empuje hacia la derecha.
     Sin sombra sólida para que quede alineado al borde. */
  .site-header__inner .btn {
    margin-left: auto;
    box-shadow: none;
  }
  .site-header__inner .btn:hover,
  .site-header__inner .btn:active { box-shadow: none; transform: none; }
}

/* --- ≤480px (mobile) --- */
@media (max-width: 480px) {
  :root {
    --fs-h1: clamp(2.15rem, 10.5vw, 2.6rem);
    --fs-h2: clamp(1.75rem, 8.5vw, 2.1rem);
  }

  /* en pantallas muy angostas el título del problema puede volver a fluir;
     el de la oferta entra en una línea porque escala con el viewport */
  .problema__content .section-title span { white-space: normal; }

  .hero__ctas { flex-direction: column; align-items: stretch; }
  .hero__ctas .btn { width: 100%; }

  .hero__cover img { width: min(330px, 85vw); }

  /* botones full-width con texto en una sola línea */
  .section-cta .btn { width: 100%; font-size: 0.92rem; padding-inline: 1rem; }
  .section-cta--left .btn { width: auto; }

  .profile-card__box { padding: 3.2rem 1.4rem 1.5rem; margin-left: 1rem; }

  .ticker__sep { margin-inline: 1.4rem; width: 2rem; }

  .quote-card blockquote { padding: 1.4rem 1.3rem 0; }
  .quote-card footer { margin-inline: -1.3rem; padding-inline: 1.3rem; }

  .price-card { box-shadow: 12px 14px 0 0 rgba(0, 0, 0, 0.88); }

  .faq-item__trigger { font-size: 0.95rem; line-height: 1.35; gap: 1rem; }
  .faq-item__icon { width: 1.7rem; height: 1.7rem; }

  .to-top { right: 1rem; bottom: 1rem; }
}