/* ═══════════════════════════════════════════════════════
   ANDRADE Y ZEPEDA AGRÍCOLA — Estilos principales
   Paleta oficial del brandbook:
     Verde oscuro  #163526
     Verde medio   #478938
     Verde lima    #A2B93E
     Crema         #F9F2DE
   Tipografía: Montserrat (Bold + Regular + Light)
═══════════════════════════════════════════════════════ */

/* ── VARIABLES — edita aquí para cambiar colores globalmente ── */
:root {
  /* Colores principales (brandbook) */
  --verde-oscuro:   #163526;
  --verde-medio:    #478938;
  --verde-lima:     #A2B93E;
  --crema:          #F9F2DE;

  /* Colores de apoyo */
  --blanco:         #FFFFFF;
  --gris-claro:     #F0EFE9;
  --gris-texto:     #4A5568;
  --borde:          #D8E8D0;

  /* Alias semánticos */
  --color-fondo-primary:   var(--crema);
  --color-fondo-alt:       var(--blanco);
  --color-fondo-dark:      var(--verde-oscuro);
  --color-texto:           var(--verde-oscuro);
  --color-texto-suave:     #3D5A45;
  --color-acento:          var(--verde-lima);
  --color-btn-primary:     var(--verde-medio);
  --color-btn-primary-hover: #3a7230;
  --color-btn-wa:          #25D366;
  --color-btn-wa-hover:    #1da851;

  /* Tipografía */
  --fuente:     'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
  --text-xs:    0.75rem;
  --text-sm:    0.875rem;
  --text-base:  1rem;
  --text-lg:    1.125rem;
  --text-xl:    1.25rem;
  --text-2xl:   1.5rem;
  --text-3xl:   1.875rem;
  --text-4xl:   2.25rem;
  --text-5xl:   2.8rem;

  /* Espaciado */
  --espacio-xs:  0.5rem;
  --espacio-sm:  1rem;
  --espacio-md:  1.5rem;
  --espacio-lg:  2.5rem;
  --espacio-xl:  4rem;
  --espacio-2xl: 6rem;

  /* Otros */
  --radio:       12px;
  --radio-lg:    20px;
  --sombra-sm:   0 2px 8px rgba(22, 53, 38, 0.08);
  --sombra:      0 4px 20px rgba(22, 53, 38, 0.12);
  --sombra-lg:   0 8px 40px rgba(22, 53, 38, 0.18);
  --transicion:  all 0.3s ease;
  --max-ancho:   1100px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  width: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--fuente);
  color: var(--color-texto);
  background-color: var(--blanco);
  line-height: 1.6;
  overflow-x: hidden;
  width: 100%;
  min-width: 0;
  -webkit-font-smoothing: antialiased;
}

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

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

ul { list-style: none; }

h1, h2, h3, h4, h5 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--verde-oscuro);
}

p { color: var(--gris-texto); line-height: 1.7; }

/* ══════════════════════════════════
   UTILIDADES
══════════════════════════════════ */
.container {
  width: 100%;
  max-width: var(--max-ancho);
  margin: 0 auto;
  padding: 0 var(--espacio-sm);
}

.container-narrow {
  max-width: 780px;
}

.section {
  padding: var(--espacio-xl) 0;
}

.section-light  { background: var(--blanco); }
.section-cream  { background: var(--crema); }
.section-dark   { background: var(--verde-oscuro); }

/* ══════════════════════════════════
   ENCABEZADOS DE SECCIÓN
══════════════════════════════════ */
.section-header {
  text-align: center;
  margin-bottom: var(--espacio-lg);
}

.section-header h2 {
  font-size: var(--text-3xl);
  margin-bottom: 0.75rem;
}

.section-header p {
  font-size: var(--text-lg);
  max-width: 620px;
  margin: 0 auto;
}

.section-header-light h2,
.section-header-light p {
  color: var(--blanco);
}

.section-label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--verde-medio);
  background: rgba(71, 137, 56, 0.1);
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  margin-bottom: 0.75rem;
}

.label-light {
  color: var(--verde-lima);
  background: rgba(162, 185, 62, 0.15);
}

/* ══════════════════════════════════
   BOTONES
══════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radio);
  font-family: var(--fuente);
  font-size: var(--text-base);
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transicion);
  min-width: 0;
  text-align: center;
  text-decoration: none;
}

.btn:focus-visible {
  outline: 3px solid var(--verde-lima);
  outline-offset: 3px;
}

/* Botón verde principal */
.btn-primary {
  background: var(--color-btn-primary);
  color: var(--blanco);
  border-color: var(--color-btn-primary);
}
.btn-primary:hover {
  background: var(--color-btn-primary-hover);
  border-color: var(--color-btn-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--sombra);
}

/* Botón WhatsApp verde brillante */
.btn-wa {
  background: var(--color-btn-wa);
  color: var(--blanco);
  border-color: var(--color-btn-wa);
}
.btn-wa:hover {
  background: var(--color-btn-wa-hover);
  border-color: var(--color-btn-wa-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35);
}

/* Botón outline verde */
.btn-outline {
  background: transparent;
  color: var(--verde-medio);
  border-color: var(--verde-medio);
}
.btn-outline:hover {
  background: var(--verde-medio);
  color: var(--blanco);
}

/* Botón outline para fondos oscuros */
.btn-outline-light {
  background: transparent;
  color: var(--blanco);
  border-color: rgba(255,255,255,0.5);
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--blanco);
}

/* Tamaños */
.btn-sm  { padding: 0.5rem 1rem; font-size: var(--text-sm); }
.btn-lg  { padding: 1rem 2rem; font-size: var(--text-lg); }
.btn-full { width: 100%; }

/* ══════════════════════════════════
   NAVEGACIÓN
══════════════════════════════════ */
.nav-topbar { display: none; }

#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: var(--transicion);
  background: transparent;
}

#navbar.scrolled {
  background: var(--verde-oscuro);
  padding: 0.6rem 0;
  box-shadow: var(--sombra);
}

.nav-container {
  max-width: var(--max-ancho);
  margin: 0 auto;
  padding: 0 var(--espacio-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-logo {
  flex-shrink: 0;
  height: 120px;
}

.nav-logo img {
  height: 120px;
  width: auto;
  object-fit: contain;
}

/* Muestra logo color por defecto, blanco cuando scrolled */
.nav-logo .logo-color  { display: block; }
.nav-logo .logo-blanco { display: none; }
#navbar.scrolled .logo-color  { display: none; }
#navbar.scrolled .logo-blanco { display: block; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.nav-link {
  padding: 0.5rem 0.75rem;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--blanco);
  border-radius: 8px;
  transition: var(--transicion);
  opacity: 0.85;
}

/* Nav sobre hero oscuro — texto blanco */
.nav-link:hover { opacity: 1; background: rgba(255,255,255,0.1); }

/* Cuando nav está sobre sección clara, los links se ven oscuros */
#navbar:not(.scrolled) .nav-link {
  color: var(--blanco);
  text-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

.btn-nav {
  margin-left: 0.5rem;
  padding: 0.5rem 1rem;
  font-size: var(--text-sm);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--blanco);
  border-radius: 2px;
  transition: var(--transicion);
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ══════════════════════════════════
   HERO
══════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  /* Fallback si no carga la imagen */
  background-color: var(--verde-oscuro);
  transform: scale(1.03);
  transition: transform 8s ease;
}

.hero:hover .hero-bg { transform: scale(1); }

.hero-overlay {
  position: absolute;
  inset: 0;
  /* Degradado para mejorar legibilidad del texto */
  background: linear-gradient(
    135deg,
    rgba(22, 53, 38, 0.85) 0%,
    rgba(22, 53, 38, 0.65) 60%,
    rgba(22, 53, 38, 0.4) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 5rem;
  padding-bottom: 3rem;
}

.hero-badge {
  display: inline-block;
  background: rgba(162, 185, 62, 0.2);
  border: 1px solid rgba(162, 185, 62, 0.5);
  color: var(--verde-lima);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
  letter-spacing: 0.04em;
}

.hero-title {
  font-size: var(--text-5xl);
  font-weight: 800;
  color: var(--blanco);
  line-height: 1.15;
  margin-bottom: 1.25rem;
  max-width: 700px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.25);
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: rgba(255,255,255,0.88);
  max-width: 620px;
  margin-bottom: 2rem;
  line-height: 1.65;
}

.hero-subtitle strong { color: var(--verde-lima); font-weight: 700; }

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.btn-hero-primary {
  padding: 0.9rem 1.75rem;
  font-size: var(--text-lg);
}

.btn-hero-secondary {
  background: rgba(255,255,255,0.12);
  color: var(--blanco);
  border: 2px solid rgba(255,255,255,0.4);
  padding: 0.9rem 1.75rem;
  font-size: var(--text-lg);
  font-weight: 600;
  border-radius: var(--radio);
  transition: var(--transicion);
}
.btn-hero-secondary:hover {
  background: rgba(255,255,255,0.22);
  border-color: var(--blanco);
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
}

.hero-trust span {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.75);
  font-weight: 500;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.5);
  font-size: 1.5rem;
  animation: bounceDown 2s infinite;
}

@keyframes bounceDown {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

/* ══════════════════════════════════
   GRILLAS DE TARJETAS
══════════════════════════════════ */
.cards-3col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.cards-2col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

/* ══════════════════════════════════
   TARJETA BASE
══════════════════════════════════ */
.card {
  background: var(--blanco);
  border-radius: var(--radio-lg);
  padding: 1.75rem;
  box-shadow: var(--sombra-sm);
  border: 1px solid var(--borde);
  transition: var(--transicion);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--sombra-lg);
}

/* ── Tarjeta de qué hacemos ── */
.card-feature .card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radio);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.card-feature h3 {
  font-size: var(--text-xl);
  margin-bottom: 0.75rem;
}

.card-feature p {
  font-size: var(--text-base);
  margin-bottom: 1.25rem;
}

/* Tarjeta destacada (educación) */
.card-highlight {
  background: var(--verde-oscuro);
  border-color: var(--verde-oscuro);
}
.card-highlight h3,
.card-highlight p { color: var(--blanco); }
.card-highlight p { opacity: 0.85; }

/* ── Tarjeta de recursos/cursos ── */
.card-recurso {
  position: relative;
  padding-top: 2.5rem;
}

.recurso-badge {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
}
.badge-curso     { background: #EBF8E5; color: var(--verde-medio); }
.badge-plantilla { background: #FEF9E7; color: #B7860B; }
.badge-guia      { background: #EBF4FB; color: #2471A3; }
.badge-asesoria  { background: #F5EEF8; color: #7D3C98; }

.card-icon-lg {
  font-size: 2.25rem;
  margin-bottom: 1rem;
}

.card-recurso h3 {
  font-size: var(--text-xl);
  margin-bottom: 0.75rem;
}

.card-recurso p {
  font-size: var(--text-sm);
  margin-bottom: 1rem;
}

.card-list {
  list-style: none;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.card-list li {
  font-size: var(--text-sm);
  color: var(--color-texto-suave);
  font-weight: 500;
}

/* ── Tarjeta de perfil (para quién) ── */
.card-perfil {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--blanco);
}
.card-perfil:hover {
  background: rgba(255,255,255,0.1);
  box-shadow: none;
}

.perfil-emoji {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 1rem;
}

.card-perfil h3 {
  font-size: var(--text-xl);
  color: var(--blanco);
  margin-bottom: 0.75rem;
}

.card-perfil p {
  color: rgba(255,255,255,0.75);
  font-size: var(--text-sm);
  margin-bottom: 1rem;
}

/* ── Tarjeta de producto ── */
.card-producto {
  padding: 0;
  overflow: hidden;
}

.producto-img-wrap {
  width: 100%;
  height: 220px;
  overflow: hidden;
}

.producto-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.card-producto:hover .producto-img-wrap img { transform: scale(1.04); }

.producto-body {
  padding: 1.5rem;
}

.producto-tag {
  display: inline-block;
  background: var(--crema);
  color: var(--verde-medio);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  margin-bottom: 0.75rem;
}

.producto-body h3 {
  font-size: var(--text-2xl);
  margin-bottom: 0.75rem;
}

.producto-body p {
  font-size: var(--text-sm);
  margin-bottom: 1rem;
}

.producto-body .card-list { margin-bottom: 1.5rem; }

/* ══════════════════════════════════
   PILARES (por qué con nosotros)
══════════════════════════════════ */
.pilares-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.pilar {
  padding: 1.5rem;
  border-radius: var(--radio);
  border: 1px solid var(--borde);
  background: var(--crema);
  text-align: center;
  transition: var(--transicion);
}

.pilar:hover {
  border-color: var(--verde-medio);
  box-shadow: var(--sombra-sm);
}

.pilar-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.pilar h4 {
  font-size: var(--text-base);
  margin-bottom: 0.5rem;
  color: var(--verde-oscuro);
}

.pilar p {
  font-size: var(--text-sm);
  color: var(--gris-texto);
  line-height: 1.6;
}

/* CTA centrado */
.cta-centrado {
  text-align: center;
}

.cta-texto {
  font-size: var(--text-xl);
  font-weight: 600;
  font-style: italic;
  color: var(--verde-oscuro);
  margin-bottom: 1.5rem;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}

/* ══════════════════════════════════
   RECURSOS LISTA (waitlist)
══════════════════════════════════ */
.recursos-lista {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 740px;
  margin: 0 auto;
}

.recurso-item {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 1.25rem 1.5rem;
  transition: var(--transicion);
}

.recurso-item:hover {
  border-color: var(--verde-medio);
  box-shadow: var(--sombra-sm);
}

.recurso-icono {
  font-size: 1.75rem;
  flex-shrink: 0;
}

.recurso-info { flex: 1; }

.recurso-info h4 {
  font-size: var(--text-base);
  margin-bottom: 0.25rem;
  color: var(--verde-oscuro);
}

.recurso-info p {
  font-size: var(--text-sm);
  color: var(--gris-texto);
  margin: 0;
}

.badge-pronto {
  flex-shrink: 0;
  background: #FEF3CD;
  color: #856404;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
}

.badge-disponible {
  flex-shrink: 0;
  background: #D4EDDA;
  color: #155724;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
}

/* ══════════════════════════════════
   FAQ ACCORDION
══════════════════════════════════ */
.faq-lista {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  overflow: hidden;
  background: var(--blanco);
}

.faq-pregunta {
  width: 100%;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--fuente);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--verde-oscuro);
  transition: var(--transicion);
}

.faq-pregunta:hover { background: var(--crema); }

.faq-pregunta[aria-expanded="true"] { background: var(--crema); }

.faq-icono {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--verde-medio);
  color: var(--blanco);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1;
  transition: transform 0.3s ease;
}

.faq-pregunta[aria-expanded="true"] .faq-icono {
  transform: rotate(45deg);
  background: var(--verde-oscuro);
}

.faq-respuesta {
  padding: 0 1.5rem 1.25rem;
  border-top: 1px solid var(--borde);
}

.faq-respuesta p {
  font-size: var(--text-base);
  color: var(--gris-texto);
  padding-top: 1rem;
  line-height: 1.7;
}

/* ══════════════════════════════════
   MODAL DE COMPRA EBOOK
══════════════════════════════════ */
.ebook-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  backdrop-filter: blur(3px);
}
.ebook-modal-overlay[hidden] { display: none; }

.ebook-modal-box {
  background: var(--blanco);
  border-radius: 20px;
  padding: 2.5rem 2rem;
  max-width: 420px;
  width: 100%;
  position: relative;
  text-align: center;
  animation: modalIn 0.2s ease;
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(16px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.ebook-modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 1.1rem;
  cursor: pointer;
  color: var(--gris-texto);
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  transition: var(--transicion);
}
.ebook-modal-close:hover { background: #f0f0f0; }

.ebook-modal-icon { font-size: 2.5rem; margin-bottom: 0.75rem; }

.ebook-modal-nombre {
  font-size: var(--text-lg);
  color: var(--verde-oscuro);
  margin-bottom: 0.25rem;
}

.ebook-modal-precio {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--verde-medio);
  margin-bottom: 0.75rem;
}

.ebook-modal-desc {
  font-size: var(--text-sm);
  color: var(--gris-texto);
  margin-bottom: 1.25rem;
  line-height: 1.5;
}

.ebook-modal-input {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 2px solid #e0e0e0;
  border-radius: 10px;
  font-size: var(--text-base);
  font-family: var(--fuente);
  margin-bottom: 0.5rem;
  transition: var(--transicion);
  box-sizing: border-box;
}
.ebook-modal-input:focus {
  outline: none;
  border-color: var(--verde-medio);
}

.ebook-modal-error {
  font-size: var(--text-sm);
  color: #dc2626;
  margin-bottom: 0.5rem;
}

.ebook-modal-submit {
  width: 100%;
  justify-content: center;
  margin-top: 0.25rem;
}

.ebook-modal-legal {
  font-size: 0.72rem;
  color: rgba(0,0,0,0.4);
  margin-top: 0.75rem;
  line-height: 1.4;
}

/* ══════════════════════════════════
   EBOOKS
══════════════════════════════════ */
.ebooks-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  margin-top: 3rem;
}

.ebook-card {
  background: var(--blanco);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(22,53,38,0.08);
  transition: var(--transicion);
  display: flex;
  flex-direction: column;
}
.ebook-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(22,53,38,0.15);
}

/* portada del libro */
.ebook-cover {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  flex-direction: column;
  gap: 0.75rem;
}
.ebook-cover--verde  { background: linear-gradient(135deg, var(--verde-oscuro), var(--verde-medio)); }
.ebook-cover--lima   { background: linear-gradient(135deg, var(--verde-medio), var(--verde-lima)); }
.ebook-cover--oscuro { background: linear-gradient(135deg, #1a2e1f, var(--verde-oscuro)); }

.ebook-cover-icon { font-size: 2.5rem; line-height: 1; }

.ebook-cover-lines {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 60px;
}
.ebook-cover-lines span {
  display: block;
  height: 3px;
  border-radius: 3px;
  background: rgba(255,255,255,0.35);
}
.ebook-cover-lines span:nth-child(1) { width: 100%; }
.ebook-cover-lines span:nth-child(2) { width: 75%; }
.ebook-cover-lines span:nth-child(3) { width: 50%; }

.ebook-body {
  padding: 1.25rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.ebook-badge {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  display: inline-block;
  align-self: flex-start;
}
.ebook-badge--pronto {
  background: #FEF3C7;
  color: #92400E;
}
.ebook-badge--disponible {
  background: #D1FAE5;
  color: #065F46;
}

.ebook-body h4 {
  font-size: var(--text-base);
  color: var(--verde-oscuro);
  font-weight: 700;
  line-height: 1.3;
}

.ebook-body p {
  font-size: var(--text-sm);
  color: var(--gris-texto);
  line-height: 1.55;
  flex: 1;
}

.ebook-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.75rem;
  gap: 0.5rem;
}

.ebook-precio {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--verde-oscuro);
}

.btn-mp {
  background: #009ee3;
  color: var(--blanco) !important;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transicion);
  white-space: nowrap;
}
.btn-mp:hover { background: #0080c4; }
.btn-mp[aria-disabled="true"] {
  background: #ccc;
  cursor: not-allowed;
  pointer-events: none;
}

@media (max-width: 900px) {
  .ebooks-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .ebooks-grid { grid-template-columns: 1fr; }
}

/* ══════════════════════════════════
   PREVENTA
══════════════════════════════════ */
.seccion-intro--light h2,
.seccion-intro--light .seccion-desc { color: var(--blanco); }
.seccion-intro--light { color: var(--blanco); }

.seccion-tag--lima {
  background: rgba(162,185,62,0.2);
  color: var(--verde-lima);
  border-color: rgba(162,185,62,0.3);
}

.preventa-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 3rem;
}

.preventa-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 20px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: var(--transicion);
}
.preventa-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: var(--verde-lima);
}

.preventa-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.preventa-emoji { font-size: 2rem; line-height: 1; }

.preventa-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--verde-lima);
  background: rgba(162,185,62,0.15);
  border: 1px solid rgba(162,185,62,0.3);
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
}

.preventa-card h3 {
  font-size: var(--text-xl);
  color: var(--blanco);
  line-height: 1.3;
}

.preventa-desc {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.7);
  line-height: 1.6;
}

.preventa-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 0;
  margin: 0;
}
.preventa-features li {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.75);
  padding-left: 1.25rem;
  position: relative;
}
.preventa-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--verde-lima);
  font-weight: 700;
}

.preventa-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 0.5rem;
}
.preventa-form input {
  padding: 0.75rem 1rem;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.07);
  color: var(--blanco);
  font-family: var(--fuente);
  font-size: var(--text-sm);
  transition: var(--transicion);
}
.preventa-form input::placeholder { color: rgba(255,255,255,0.4); }
.preventa-form input:focus {
  outline: none;
  border-color: var(--verde-lima);
  background: rgba(255,255,255,0.1);
}

.btn-preventa {
  width: 100%;
  justify-content: center;
  margin-top: 0.25rem;
}

.preventa-ok {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--verde-lima);
  font-weight: 600;
  padding: 0.5rem;
}

@media (max-width: 768px) {
  .preventa-grid { grid-template-columns: 1fr; }
}

/* ══════════════════════════════════
   CONTACTO
══════════════════════════════════ */
.contacto-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.contacto-card {
  background: var(--crema);
  border-radius: 16px;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.5rem;
  border: 1px solid rgba(71,137,56,0.15);
  transition: var(--transicion);
}
.contacto-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--sombra);
}

.contacto-icon {
  font-size: 1.75rem;
  margin-bottom: 0.25rem;
  line-height: 1;
}

.contacto-card h4 {
  font-size: var(--text-base);
  color: var(--verde-oscuro);
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.contacto-dato {
  font-size: var(--text-sm);
  color: var(--verde-medio);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transicion);
  line-height: 1.6;
}
.contacto-dato:hover { color: var(--verde-oscuro); text-decoration: underline; }

@media (max-width: 900px) {
  .contacto-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .contacto-grid { grid-template-columns: 1fr; }
}

/* ══════════════════════════════════
   FOOTER
══════════════════════════════════ */
.footer {
  background: var(--verde-oscuro);
  color: var(--blanco);
  padding: var(--espacio-xl) 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.2fr;
  gap: 3rem;
  padding-bottom: var(--espacio-xl);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-logo {
  height: 50px;
  width: auto;
  margin-bottom: 1.25rem;
  object-fit: contain;
}

.footer-tagline {
  font-size: var(--text-lg);
  font-weight: 700;
  font-style: italic;
  color: var(--verde-lima);
  line-height: 1.4;
  margin-bottom: 0.75rem;
}

.footer-desc {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
}

.footer-links h5,
.footer-contacto h5 {
  font-size: var(--text-sm);
  color: var(--verde-lima);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.7);
  transition: var(--transicion);
}
.footer-links a:hover { color: var(--verde-lima); }

.footer-wa {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: var(--text-base);
  font-weight: 600;
  color: #25D366;
  margin-bottom: 1.25rem;
  transition: var(--transicion);
}
.footer-wa:hover { color: #5CE68A; }

.footer-redes {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.footer-redes a {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.65);
  transition: var(--transicion);
}
.footer-redes a:hover { color: var(--verde-lima); }

.footer-ubicacion {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
}

.footer-maps {
  display: block;
  transition: var(--transicion);
  text-decoration: none;
}
.footer-maps:hover { color: var(--verde-lima); }

.footer-telefonos {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.footer-tel {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.75);
  transition: var(--transicion);
  text-decoration: none;
}
.footer-tel:hover { color: var(--verde-lima); }

.footer-bottom {
  text-align: center;
  padding: 1.5rem 0;
}
.footer-bottom p {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.4);
}

/* ══════════════════════════════════
   BOTÓN WHATSAPP FLOTANTE
══════════════════════════════════ */
.whatsapp-flotante {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 999;
  background: var(--color-btn-wa);
  color: var(--blanco);
  border-radius: 999px;
  padding: 0.75rem 1.25rem 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-sm);
  font-weight: 700;
  font-family: var(--fuente);
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45);
  transition: var(--transicion);
  text-decoration: none;
}

.whatsapp-flotante:hover {
  background: var(--color-btn-wa-hover);
  transform: scale(1.04);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.55);
}

.whatsapp-flotante span { display: none; }

/* Muestra el texto en pantallas medianas+ */
@media (min-width: 480px) {
  .whatsapp-flotante span { display: inline; }
}

/* ══════════════════════════════════
   ANIMACIONES DE SCROLL
══════════════════════════════════ */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Delay escalonado para tarjetas */
.animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.animate-on-scroll:nth-child(3) { transition-delay: 0.2s; }
.animate-on-scroll:nth-child(4) { transition-delay: 0.3s; }

/* ══════════════════════════════════
   RESPONSIVE — TABLET (768px)
══════════════════════════════════ */
@media (max-width: 900px) {
  :root { --text-5xl: 2.2rem; --text-4xl: 1.9rem; --text-3xl: 1.6rem; }

  .cards-3col { grid-template-columns: 1fr 1fr; }
  .pilares-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer-marca { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  /* Nav mobile */
  .nav-topbar { display: none; }

  #navbar {
    padding: 0.75rem 0;
  }

  #navbar.scrolled {
    padding: 0.55rem 0;
  }

  .nav-logo {
    height: 64px;
  }

  .nav-logo img {
    height: 64px;
  }

  .nav-toggle { display: flex; }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--verde-oscuro);
    flex-direction: column;
    padding: 1rem;
    gap: 0.25rem;
    box-shadow: var(--sombra-lg);
  }

  .nav-links.open { display: flex; }

  .nav-link {
    padding: 0.75rem 1rem;
    width: 100%;
    border-radius: 8px;
  }

  .btn-nav { width: 100%; margin: 0.5rem 0 0; justify-content: center; }

  /* Hero */
  .hero {
    align-items: flex-start;
  }

  .hero-content {
    padding-top: 6.25rem;
  }

  .hero-title { font-size: 2rem; }
  .hero-subtitle { font-size: var(--text-base); }
  .hero-ctas { flex-direction: column; }
  .btn-hero-primary, .btn-hero-secondary { width: 100%; justify-content: center; }

  /* Grillas */
  .cards-3col,
  .cards-2col,
  .pilares-grid { grid-template-columns: 1fr; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
}

/* ══════════════════════════════════
   RESPONSIVE — MOBILE (480px)
══════════════════════════════════ */
@media (max-width: 480px) {
  :root {
    --text-5xl: 1.8rem;
    --text-3xl: 1.4rem;
    --espacio-xl: 3rem;
  }

  .section { padding: 3rem 0; }

  .section-header h2 { font-size: var(--text-2xl); }
  .section-header p  { font-size: var(--text-base); }

  .recurso-item { flex-wrap: wrap; }
  .badge-pronto, .badge-disponible { align-self: flex-start; }

  .footer-redes { flex-direction: column; gap: 0.75rem; }
}

/* ══════════════════════════════════
   ACCESIBILIDAD
══════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .animate-on-scroll { opacity: 1; transform: none; }
}

/* Foco visible para teclado */
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--verde-lima);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ══════════════════════════════════
   SCROLLBAR personalizado (opcional)
══════════════════════════════════ */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--crema); }
::-webkit-scrollbar-thumb { background: var(--verde-medio); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--verde-oscuro); }