:root {
  --espacio-grande: 2rem;
  --espacio-medio: 1.5rem;
  --espacio-chico: 1rem;
  --ancho-principal: clamp(370px, 75vw, 1300px);
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  font-size: 1em;
  /* scroll-behavior: smooth; */
  scroll-behavior: auto !important;
}
body {
  font-family: "Inter", sans-serif;
  line-height: 1.6;
  color: #222;
  background-color: #fff;
  background-image: linear-gradient(
      to bottom,
      transparent,
      rgba(255, 255, 255, 0.712)
    ),
    url(../img/fondo7ch.jpg);
  background-size: cover;
  background-position: center;
  background-attachment: fixed; /* 
    backdrop-filter: grayscale(0.2); */
}
img {
  max-width: 100%;
}
.contenedor {
  width: var(--ancho-principal);
  margin: 0 auto;
}
.cabecera {
  text-align: center;
  padding: 2em;
  margin-bottom: var(--espacio-chico);
}
.titulo {
  font-size: clamp(2.5rem, 5.5vw, 5rem);
  margin-bottom: var(--espacio-chico);
}
.cabecera__subtitulo {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  /* text-shadow: 1px 1px  2px white, -1px -1px 2px white; */
  margin-bottom: var(--espacio-medio);
}
.titulo,
.cabecera__subtitulo {
  font-family: "Merriweather", serif;
  text-shadow: 0px 1px 1px rgba(255, 255, 255, 0.792);
}
.boton {
  width: 10vw;
  background-color: rgba(255, 255, 255, 0.925);
  padding: 5px;
  border-radius: 5px;
  filter: saturate(1.2);
}
.boton--desplazado {
  position: fixed;
  top: 3rem;
  right: 1rem;
}
.arriba {
  width: 10vw;
  max-width: 50px;
  position: fixed;
  top: 50%;
  right: 1rem;
  opacity: 0;
  z-index: 3;
}
.arriba--ver {
  opacity: 0.7;
}
.menu {
  background-color: rgba(0, 24, 67, 0.781);
  /* background-image:url(../img/iconos/tornillo.png);
    background-size: 3.5%; 
    background-repeat: no-repeat;
    background-position: center 5px; */
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.705);
  backdrop-filter: blur(15px);
  margin: 0 auto;
  border-radius: 1rem;
  height: 0;
  transform: scaleY(0);
  transform-origin: center top;
  transition: all 0.2s;
}
.menu--ver {
  height: auto;
  padding: 2.5em;
  transform: scaleY(1);
  margin-bottom: 3.5rem;
}
.menu__ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1em;
  justify-content: space-evenly;
}
.menu__item {
  text-align: center;
  margin-bottom: var(--espacio-medio);
  border-radius: 0.5rem;
}
.menu__icono {
  display: block;
  width: clamp(30px, 15vw, 60px);
  margin-bottom: 1rem;
  transition: all 0.5s;
  margin-left: auto;
  margin-right: auto;
}
.menu__link {
  color: rgba(255, 255, 255, 0.801);
  text-decoration: none;
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  letter-spacing: 0.1em;
  transition: all 0.5s;
  display: block;
  margin-bottom: 0.5rem;
}
.menu__item:hover {
  /* background-color: rgba(255, 255, 255, 0.05); */
  box-shadow: 0 7px 0px -3px rgba(255, 255, 255, 0.595);
}
.menu__item:hover .menu__icono {
  /* transform:scale(1.1); */
  filter: grayscale(0.3);
}
.menu__item:hover .menu__link {
  color: white;
  /*  font-weight: bold; */
}
section {
  background-color: rgba(255, 255, 255, 0.9);
  padding: 2rem 1.5rem;
  margin-bottom: 2rem;
  border-radius: 0.5rem;
  box-shadow: 0px 5px 10px black;
}

.subtitulo {
  font-family: "Merriweather", serif;
  text-align: center;
  font-size: clamp(1.5rem, 3vw, 3.5rem);
  margin-bottom: 1.5rem;
}
.subtitulo span {
  font-size: 0.8em;
}
.subtitulon2 {
  font-family: "Merriweather", serif;
  font-size: clamp(1.5rem, 2vw, 2.5rem);
  margin-bottom: 1.3rem;
}
.subtitulon3 {
  font-family: "Merriweather", serif;
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  margin-bottom: 1.3rem;
  display: list-item;
  list-style: disc;
  list-style-position: inside;
}

.contenido {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  margin-bottom: 1em;
}
.contenido--destacado {
  font-style: italic;
  border-left: 4px solid var(--color-principal);
  padding-left: 1rem;
  opacity: 0.9;
}
.contenido--llamada {
  margin-top: 3rem;
  padding: 1em 2em;
  background-color: rgba(192, 192, 192, 0.737);
  border-radius: 1rem;
}
.contenido--lista {
  list-style: none;
  color: #00163f;
  background-color: rgb(253, 216, 171);
  padding: 2em 1em;
  border-radius: 2rem;

  box-shadow: 0 10px 8px -5px;
}
.contenido--lista__item {
  margin-bottom: 1.2rem;
}
.destacado {
  font-weight: bold;
}
.contenido__imagen {
  border-radius: 1rem;
  box-shadow: 0 10px 8px -5px;
  display: block;
  margin: var(--espacio-grande) auto;
}
.contenido__imagen--yo {
  filter: grayscale() contrast(1.2);
}
.imagen-guia {
  border-radius: 1rem;
  width: 10vw;
  min-width: 200px;
  margin: 2rem 0;
}
.assunta {
  aspect-ratio: 1/1;
  object-fit: cover;
  object-position: 0 -20px;
}
.contenido__imagen--dibujo {
  filter: sepia(0.5) contrast(2);
  opacity: 0.3;
}
.imagen__canal {
  display: block;
  width: 20vw;
  max-width: 200px;
  margin: auto;
  transition: all 0.5s;
}
.imagen__canal--desarrollo {
  filter: drop-shadow(1px 1px 5px);
}
.canal__link {
  display: block;
  text-align: center;
  text-decoration: none;
  color: black;
}
.imagen__canal:hover {
  transform: scale(1.1);
}

.docencia__imagenes {
  display: grid;
  gap: 1em;
  grid-template-columns: 2fr 1fr;
  margin-bottom: var(--espacio-grande);
}
.docencia__imagen {
  height: 100%;
  object-fit: cover;
  border-radius: 1rem;
  box-shadow: 0 10px 8px -5px;
}
.acordeon__contenedor {
  margin-bottom: 2rem;
}
.acordeon__contenedor:last-of-type {
  margin-bottom: 0;
}
.acordeon__titulo {
  background-color: rgba(0, 28, 80, 0.781);
  border-radius: 1rem;
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  padding: 1em 0.8em;
  cursor: pointer;
  transition: all 0.5s;
  position: sticky;
  top: 0;
  z-index: 2;
  margin-bottom: 0.5rem;
  color: #e8e8e8;
}
.acordeon__contenido {
  font-size: clamp(1.2rem, 3vw, 1.5rem);
  padding: 1em 0.8em;
  border-radius: 1rem;
}
.acordeon__imagenes {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 2rem;
  padding: var(--espacio-medio);
}
.acordeon__imagenes--cursos {
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
}
.acordeon__item {
  margin-bottom: 2rem;
}
.acordeon__imagen {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.acordeon__imagen:hover {
  transform: scale(1.05);
}

.acordeon__curso {
  text-align: center;
  text-transform: capitalize;
  font-weight: bold;
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  margin-top: -var(--espacio-chico);
}
.acordeon__contenedor[open] .acordeon__titulo,
.acordeon__contenedor:hover .acordeon__titulo {
  background-color: #b36c29;
  padding-left: 1.3em;
  color: white;
  font-weight: bold;
}
.acordeon__contenedor[open] .acordeon__contenido {
  background-color: rgba(148, 148, 148, 0.769);
}

/* .acordeon__titulo{
    list-style: none;
}
.acordeon__titulo::before{
    content:"+";
    margin-right: 1em;
}
.acordeon__contenedor[open] .acordeon__titulo::before{
    content:"-";
} */

.pizarrones .acordeon__imagen {
  cursor: zoom-in;
  transition: all 0.5s;
  border: 2px solid black;
  box-shadow: 0 10px 8px -5px;
  filter: grayscale(0.7);
}
.pizarrones .acordeon__imagen:hover {
  transform: scale(1.1);
  filter: none;
}

.alumnos__videos {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--espacio-medio);
}
.alumnos__marco {
  position: relative;
  overflow: hidden;
  border-radius: 0.5rem;
  box-shadow: 0 10px 8px -5px;
}
.alumnos__video {
  width: 100%;
  height: 100%;
  aspect-ratio: 9/11;
  border-radius: 0.5rem;
  filter: sepia(0.5);
  transition: all 0.5s;
}
.alumnos__video:hover {
  filter: none;
}
.alumnos__marco::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 70%;
  width: 25%;
  height: 25%;
  background-image: url(../img/iconos/logo-youtube-texto.png);
  background-repeat: no-repeat;
  background-size: 90%;
  /* transform:translateX(-50%); */
  transition: all 0.5s;
}
.alumnos__marco:hover::after {
  left: 50%;
  transform: translateX(-50%);
}
.libro__videos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--espacio-medio);
  justify-content: center;
  align-items: center;
}
.libro__video {
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: 0.5rem;
  filter: sepia(0.5);
  transition: all 0.5s;
  box-shadow: 0 10px 8px -5px;
}
.libro__video:hover {
  filter: none;
}

.donde {
  font-family: "singleday";
  font-size: clamp(1.2rem, 1.8vw, 2rem);
  margin: 2.5rem 0 1.2rem;
  border-bottom: 2px solid #0000008e;
}
.donde__img {
  width: 40px;
  height: 40px;
  min-width: 50px;
  vertical-align: middle;
  margin-right: 1rem;
  margin-bottom: 1rem;
}
.donde__img--descargar {
  width: 40px;
  height: 40px;
  min-width: 40px;
  margin: 1rem 0;
  transition: all 0.5s;
}
.donde__img--descargar:hover {
  transform: scale(1.05);
  filter: brightness(1.5);
}

.comprar__imagenes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 280px));
  justify-content: center;
  align-items: center;
  gap: var(--espacio-medio);
  margin-bottom: var(--espacio-medio);
}

.comprar__item--nopointer {
  cursor: unset;
}
.comprar__imagen {
  width: 100%;
  aspect-ratio: 1.415/1;
  object-fit: contain;
  border-radius: 1rem;
  box-shadow: 0 10px 8px -5px black;
  margin-bottom: var(--espacio-chico);
  filter: grayscale(0.5);
  transition: all 0.5s;
}
.comprar__imagen--portada {
  object-fit: cover;
  aspect-ratio: 12/18;
  box-shadow: 0 10px 8px -5px black;
}
.comprar__imagen--audiolibro {
  margin-top: 2rem;
  aspect-ratio: 1/1;
}
.comprar__datos {
  text-align: center;
  font-weight: bold;
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  margin-top: 0.5rem;
}
.link--destacado {
  text-decoration: none;
  color: rgb(112, 56, 16);
  transition: all 0.5s;
  font-weight: bold;
}
.destacado--opcionesCompra {
  text-align: center;
  margin-bottom: 2rem;
}
.comprar__item:hover .comprar__imagen {
  filter: none;
}
.link--destacado:hover {
  color: #002a79b2;
}

/* ============================================================
   MEJORAS PARA LA SECCIÓN COMPRAR — (NUEVO BLOQUE AÑADIDO)
   ============================================================ */

/* 👇 Subtítulo centrado y con mejor separación */
.comprar .subtitulo {
  /* NUEVO */
  margin-bottom: 1.5rem;
  text-align: center;
}

/* 👇 Textos más legibles */
.comprar .contenido {
  /* NUEVO */
  line-height: 1.55;
}

/* 👇 Encabezados de cada método de compra más visibles */
.comprar .donde {
  /* NUEVO */
  padding-bottom: 0.5rem;
  color: #002a79;
  border-bottom: 3px solid #002a79;
}

/* 👇 Mejor presentación del botón MP */
.comprar button.mercadopago-button {
  /* NUEVO */
  width: clamp(120px, 30%, 200px);
  font-size: 1rem;
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
}

/* 👇 Portadas con sombra más suave y estética */
.comprar .comprar__imagen--portada {
  /* NUEVO */
  margin-top: 2rem;
  border-radius: 1rem;
  filter: drop-shadow(0px 3px 8px rgba(0, 0, 0, 0.3));
}

/* 👇 Texto bajo las portadas con mejor contraste */
.comprar .comprar__datos {
  /* NUEVO */
  color: #4a2a10;
}

/* 👇 Hover coherente con tu estética */
.comprar .comprar__item:hover .comprar__imagen--portada {
  /* NUEVO */
  filter: brightness(1.05) drop-shadow(0px 5px 12px rgba(0, 0, 0, 0.4));
}

/* 👇 Enlaces más visibles y coherentes con la paleta */
.comprar .link--destacado {
  /* NUEVO */
  color: #8b4612;
}

.comprar .link--destacado:hover {
  /* NUEVO */
  color: #002a79;
}

/* Pie 
.pie{
    background-color: rgba(0, 0, 0, 0.8);
    border-radius: 1em;
    color:white;
    padding: var(--espacio-grande);
    text-align: center;
}
.redes__imagen{
    width:15vw;
    max-width: 80px;
    margin: 2em 0.5em;
    transition: all 0.5s;
}
.redes__imagen:hover{
    transform: rotate(-10deg);
}
.copy{
    font-family: monospace;
    font-size: clamp(1rem,2vw,1.2rem);
    margin-bottom: 1em;
}*/
/* ============================================================
   FOOTER EDITORIAL — estilo autor/libro profesional
============================================================ */

.pie {
  text-align: center;
  padding: 4rem 1rem;
  background: #151515; /* oscuro editorial */
  color: #e8e8e8;
  font-family: "Georgia", serif;
  border-top: 2px solid #444;
  border-top-left-radius: 1rem;
  border-top-right-radius: 1rem;
}

/* Texto principal */
.pie .contenido {
  font-size: 1.3rem;
  font-style: italic;
  margin-bottom: 2rem;
  color: #e8e8e8;
}

/* Contenedor de redes */
.pie .redes {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  margin: 1.5rem 0 2rem;
}

/* Iconos individuales */
.pie .redes__imagen {
  width: 42px;
  height: auto;
  filter: grayscale(80%) opacity(0.8); /* estética editorial */
  transition: filter 0.25s ease, transform 0.25s ease;
  cursor: pointer;
}

/* Hover */
.pie .redes__imagen:hover {
  filter: grayscale(0%) opacity(1);
  transform: scale(1.1);
}

/* Copyright */
.pie .copy {
  margin-top: 3rem;
  font-size: 0.9rem;
  color: #aaa;
  letter-spacing: 1px;
  font-family: "Georgia", serif;
}

/* Modal */
.modal {
  position: fixed;
  background-color: rgba(0, 0, 0, 0.8);
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  z-index: 20;
  transform: scale(0);
  transition: all 0.5s;
}
.modal--ver {
  transform: scale(1) rotate(2turn);
}
.modal__imagen {
  width: 80%;
  max-width: 900px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  outline: 4px solid white;
}
.modal__cerrar {
  position: absolute;
  top: 2rem;
  right: 2rem;
  color: white;
  font-size: 2rem;
  text-decoration: none;
}
/* form gracias */
.form-libro {
  display: block;
  width: 100%;
  min-height: 130vh;
  margin: 1rem auto;
  border: none;
}
.gracias--img {
  width: 10vw;
  min-width: 250px;
  display: block;
  margin: auto;
  border-radius: 1rem;
}
/* mercadopago */
button.mercadopago-button {
  /* Tus atributos CSS */
  display: block;
  font-size: 1.2rem;
  font-weight: bold;
  line-height: 1.5;
  background-color: #002a79;
  color: white;
  border-radius: 0.5rem;
  padding: 0.5em 0.6em;
  margin: 1rem auto;
}
button.mercadopago-button:hover {
  /* Tus atributos CSS */
  background-color: #0b9fe1;
  text-decoration: underline;
}

.mp {
  width: 40px;
  vertical-align: middle;
}

/* gregados chatgpt */
.libro .subtitulo {
  /* NUEVO */
  margin-top: 1rem;
  margin-bottom: 2rem;
  text-align: center;
}

/* 👇 Mejora la lectura del texto */
.libro .contenido {
  /* NUEVO */
  line-height: 1.6;
  color: #00121f;
}

/* 👇 Beneficios más destacados y cálidos */
.contenido--lista {
  /* NUEVO */
  background-color: rgba(255, 233, 207, 0.9);
  border-left: 6px solid #c27a42;
  box-shadow: 0px 6px 12px -3px rgba(0, 0, 0, 0.3);
}

/* 👇 Imagen del libro con tamaño óptimo y margen respirado */
.libro .contenido__imagen--libro {
  /* NUEVO */
  margin-top: 2rem;
  margin-bottom: 2rem;
  width: clamp(220px, 40vw, 300px);
}

/* NUEVA SECCION LIBRO */
/* Frase destacada del libro */
.frase-destacada {
  text-align: center;
  font-style: italic;
  margin: 2rem auto;
  max-width: 700px;
  line-height: 1.6;
}

/* Pequeño menú interno solo para libro.php */
/* ============================================================
   MENÚ SECUNDARIO LIBRO — MOBILE FIRST
============================================================ */

.menu-secundario-libro {
  width: 100%;
  margin: 2rem 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.menu-secundario-libro li {
  margin: 0;
}

.menu-secundario-libro a,
.mercadoBoton--menu button.mercadopago-button {
  display: block;
  width: 100%;
  padding: 0.8rem 1rem;

  text-align: left;
  font-size: 1.05rem;
  font-weight: 500;
  color: #222;
  text-decoration: none;
  border: 1px solid #ddd;

  background: #fafafa;
  border-radius: 10px;

  transition: background 0.2s ease, transform 0.2s ease;
}

.menu-secundario-libro a:hover {
  background: #f0f0f0;
  transform: translateX(3px);
}
.mercadoBoton--menu button.mercadopago-button {
  border: none;
  padding: 0.5em 0.6em;
  background: #f0f0f0;
}
button.mercadopago-button:hover {
  background-color: #0b9fe1;
}

/* Resumen inicial del libro */
.libro__resumen {
  max-width: 800px;
  margin: 0 auto 2rem auto;
  line-height: 1.7;
}

/* --- CONTENEDOR GENERAL --- */
.fragmentos__contenedor {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 2rem;
  margin-bottom: 2rem;
}

/* --- TARJETAS EDITORIALES --- */
.fragmentos__item {
  background: #ffffff;
  border: 1px solid #e4e1da; /* borde editorial sutil */
  padding: 2rem;
  border-radius: 0.8rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.fragmentos__item:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
}

/* --- COMILLAS GRANDES, DECORATIVAS --- */
.fragmentos__item::before {
  content: "“";
  position: absolute;
  top: -5px;
  left: 12px;
  font-family: Georgia, serif;
  font-size: 4.5rem;
  color: #d8d2c8;
  opacity: 0.35;
  pointer-events: none;
}

.fragmentos__item * {
  position: relative;
  z-index: 1;
}

/* --- ELIMINAR FONDOS PREVIOS --- */
.item1,
.item2,
.item3,
.item4,
.item5,
.item6,
.item7 {
  background: #fff;
}

/* --- TÍTULO DEL CAPÍTULO --- */
.fragmentos__titulo {
  text-align: center;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.3rem, 2vw, 1.6rem);
  font-weight: 700;
  margin-bottom: 1.2rem;
  color: #222;
}

/* --- TEXTO DEL FRAGMENTO --- */
.fragmentos__contenido {
  font-size: clamp(1rem, 1.3vw, 1.15rem);
  line-height: 1.6;
  color: #444;
  padding: 1rem 1.2rem;
  border-left: 4px solid #c2b59b; /* estilo editorial */
  background: #faf9f7;
  border-radius: 0.4rem;
  margin-bottom: 1.6rem;
}

/* --- CITA DEL LIBRO / AUTOR --- */
.fragmentos__libro {
  display: block;
  font-size: 0.85rem;
  text-align: center;
  color: #555;
  font-style: italic;
  margin-top: auto;
  opacity: 0.9;
}
/* ============================================================
   CURSOS — NUEVO BLOQUE
============================================================ */

.menu-secundario-cursos {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin: 2rem 0;
  padding: 0;
}

.menu-secundario-cursos__link {
  display: block;
  padding: 0.8rem 1rem;
  border: 1px solid #ddd;
  border-radius: 10px;
  text-decoration: none;
  color: #222;
  background: #fafafa;
}

.menu-secundario-cursos__link:hover {
  background: #f0f0f0;
}

.cursos-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.curso-card {
  background: #fff;
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: 0 6px 12px -4px rgba(0, 0, 0, 0.3);
  text-align: center;
}

.curso-card__img {
  border-radius: 0.8rem;
  margin-bottom: 1rem;
}

.curso-card__titulo {
  font-family: "Merriweather", serif;
  font-size: 1.4rem;
  margin-bottom: 0.8rem;
}

.curso-card__acciones {
  margin-top: 1rem;
}
.curso-img {
  width: 100%;
  max-width: 600px;
  display: block;
  margin: 1rem auto 1.5rem;
  border-radius: 1rem;
}

.temario-curso {
  font-size: 1.1rem;
  margin: 1rem 0 2rem;
  padding-left: 1.2rem;
}

.temario-curso li {
  margin-bottom: 1rem;
}

#comprar,
#online {
  scroll-margin-top: 160px;
}
.separador-cursos {
  border: none;
  height: 1px;
  background-color: #ddd;
  margin: 2.5rem auto;
  max-width: 600px;
}
/* GRID */
.cursos-online-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
  align-items: stretch;
}

/* CARD */
.curso-online {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: #fcf7f1;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 6px 12px -4px rgba(0, 0, 0, 0.3);
}
.curso-online__titulo {
  font-size: 1.25rem;
  margin: 1rem 0;
}
.curso-online__media {
  display: flex;
  justify-content: center;
  margin: 1rem 0;
}

.curso-online__img {
  width: 80%;
  min-width: 240px;
  max-width: 80%;
  border-radius: 1rem;
}

/* FILTROS VISUALES */
.curso-online--en-curso .curso-online__img {
  filter: grayscale(100%);
}

.curso-online--proximo .curso-online__img {
  filter: grayscale(70%) brightness(0.95);
}

/* CONTENIDO */
.curso-online__contenido {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  padding: 1.2rem;
}

/* BADGES */
.badge {
  display: inline-block;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  margin-bottom: 0.5rem;
}

.badge--activo {
  background: #1e7f5c;
  color: #fff;
}

.badge--curso {
  background: #555;
  color: #fff;
}

.badge--proximo {
  background: #999;
  color: #fff;
}

.btn-whatsapp {
  display: inline-block;
  margin-top: auto;
  padding: 0.7rem 1.2rem;

  background-color: #1f7a63; /* verde sobrio, no chillón */
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  border-radius: 4px;

  transition: background-color 0.2s ease, transform 0.2s ease;
}

.btn-whatsapp:hover {
  background-color: #155f4c;
  transform: translateY(-1px);
}

.btn-whatsapp:active {
  transform: translateY(0);
}

/* ===========================================================
   SECCIÓN COMPRAR — TEXTOS DESARROLLADOS
=========================================================== */
.comprar .formato-descripcion {
  max-width: 720px;
  margin: 0.5rem auto 1rem auto;
  line-height: 1.65;
  color: var(--color-texto-secundario, #444);
}
/* ===========================================================
   LISTAS DE BENEFICIOS (EBOOK / AUDIO / FÍSICO)
=========================================================== */
.comprar .contenido--lista {
  max-width: 720px;
  margin: 0.5rem auto 1.5rem auto;
  padding-left: 1.2rem;
}

.comprar .contenido--lista__item {
  margin-bottom: 0.5rem;
  line-height: 1.5;
}
.contenido--precio {
  text-align: center;
}
.microcopy {
  text-align: center;
  font-size: 0.9rem;
  color: #555;
  margin: 1rem 0;
  line-height: 1.4;
}

.microcopy--suave {
  color: #777;
  font-style: italic;
}

@media (min-width: 1024px) {
  .boton {
    display: none;
  }
  .menu {
    height: auto;
    padding: 2.5em;
    transform: scaleY(1);
    /* max-width: 1000px; */
    width: var(--ancho-principal);
    margin-bottom: 3.5rem;
  }
  .menu__ul {
    gap: 2em;
  }
  .menu__item {
    margin-bottom: 0;
  }

  .menu--expandir {
    position: fixed;
    top: 50%;
    left: 1rem;
    padding: 1em;
    z-index: 2;
    max-width: 150px;
    transform: translateY(-50%);
  }
  .menu--expandir .menu__ul {
    flex-direction: column;
    gap: 1em;
  }
  .menu--expandir .menu__item {
    margin-bottom: 2rem;
  }
  .menu--expandir .menu__item:first-child {
    margin-top: 1rem;
  }
  .menu--ocultar {
    left: -100%;
  }
  .menu--expandir .menu__icono {
    width: 45px;
  }
  .menu--expandir .menu__link {
    font-size: 1rem;
  }
  .menu--expandir-temp {
    visibility: hidden !important;
    position: absolute !important;
    left: 0;
    top: 0;
  }
  section {
    padding: 2rem 3rem;
  }
  .contenido__imagen {
    float: right;
    width: 40%;
    max-width: 450px;
    margin-left: 1em;
    margin-top: 0;
    clear: both;
  }
  .contenido__imagen--libro {
    float: none;
    position: relative;
    left: 50%;
    transform: translateX(-100%);
    -webkit-box-reflect: right 5px
      linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.363));
    width: 500px;
  }
  /* .comprar{
        grid-template-columns: repeat(auto-fill,minmax(400px, 1fr));
        display:grid;
        column-gap: 1.5rem;
    } */
  .comprar .subtitulo,
  .comprar .contenido {
    grid-column: 1/-1;
  }
  .redes__imagen {
    width: 15vw;
    max-width: 80px;
    margin: 2em 1.5em;
    transition: all 0.5s;
  }

  .menu-secundario-libro {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;

    max-width: 900px; /* <--- controla el ancho del menú */
    margin: 3rem auto; /* <--- centrado */
    padding: 0.5rem 1rem;

    background: #ffffff;
    border-radius: 12px;
    border: 1px solid #e6e6e6;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  }

  .menu-secundario-libro a {
    padding: 0.6rem 1rem;
    border-radius: 8px;
    border: none;
    background: transparent;
    text-align: center;
    transform: none;
  }

  .menu-secundario-libro a:hover {
    background: #f5f5f5;
    transform: none;
  }
  .menu-secundario-cursos {
    flex-direction: row;
    justify-content: center;
    gap: 1.5rem;
  }

  .cursos-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  }
  .fragmentos__contenedor {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
  .pie {
    padding: 2.5rem 1rem; /* antes: probablemente 4rem+ */
  }
  .curso-online {
    flex-direction: row;
  }

  .curso-online__img {
    width: 35%;
    object-fit: cover;
  }

  .curso-online__contenido {
    width: 65%;
  }
  .pie .contenido {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
  }

  .pie .redes__imagen {
    width: 48px;
  }

  .pie .copy {
    font-size: 0.9rem;
  }
}