/* ==========================================================================
   Cancún Cero Cáncer — estilos
   Móvil primero. Todos los colores y medidas viven en :root (tokens).
   Para cambiar la identidad visual, edita SOLO este bloque de tokens.
   ========================================================================== */

:root {
  /* Paleta */
  --turquesa: #0e9aa7;
  --turquesa-oscuro: #0a7580;
  --turquesa-claro: #e3f5f6;
  --verde: #3dbe8b;
  --verde-claro: #e6f7ef;
  --coral: #ef6f8e;
  --coral-oscuro: #d9546f;
  --coral-claro: #fde9ee;
  --arena: #f7f1e8;
  --blanco: #ffffff;
  --carbon: #1f2a2e;
  --gris: #5b6b70;
  --linea: #e4ddd2;

  /* Tipografía */
  --fuente-titulo: "Montserrat", system-ui, sans-serif;
  --fuente-texto: "Nunito", system-ui, sans-serif;

  /* Medidas */
  --radio: 20px;
  --radio-sm: 12px;
  --sombra: 0 10px 30px rgba(31, 42, 46, 0.08);
  --sombra-hover: 0 16px 40px rgba(31, 42, 46, 0.14);
  --ancho: 1160px;
  --gutter: 16px;
  --header-alto: 64px;
}

@media (min-width: 768px) {
  :root { --gutter: 32px; --header-alto: 76px; }
}

/* --- Base --------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-alto) + 12px); }
body {
  margin: 0;
  font-family: var(--fuente-texto);
  font-size: 18px;
  line-height: 1.6;
  color: var(--carbon);
  background: var(--blanco);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--turquesa-oscuro); }
h1, h2, h3, h4 {
  font-family: var(--fuente-titulo);
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2.2rem, 7vw, 4rem); font-weight: 800; }
h2 { font-size: clamp(1.75rem, 4.5vw, 2.6rem); font-weight: 800; }
h3 { font-size: 1.25rem; font-weight: 700; }
p { margin: 0 0 1em; }
:focus-visible { outline: 3px solid var(--coral); outline-offset: 3px; border-radius: 6px; }

.contenedor { width: 100%; max-width: var(--ancho); margin: 0 auto; padding: 0 var(--gutter); }
.seccion { padding: 64px 0; }
@media (min-width: 768px) { .seccion { padding: 96px 0; } }
.seccion--arena { background: var(--arena); }
.seccion__cabeza { max-width: 720px; margin-bottom: 40px; }
.seccion__cabeza--centro { text-align: center; margin-left: auto; margin-right: auto; }
.antetitulo {
  display: inline-block;
  font-family: var(--fuente-titulo);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--turquesa);
  margin-bottom: 12px;
}
.lead { font-size: 1.15rem; color: var(--gris); }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* --- Botones ------------------------------------------------------------ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 28px;
  border: 2px solid transparent; border-radius: 999px;
  font-family: var(--fuente-titulo); font-weight: 700; font-size: 1rem;
  text-decoration: none; cursor: pointer;
  transition: transform .15s ease, background-color .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn--primario { background: var(--turquesa); color: var(--blanco); box-shadow: 0 8px 20px rgba(14,154,167,.3); }
.btn--primario:hover { background: var(--turquesa-oscuro); }
.btn--coral { background: var(--coral); color: var(--blanco); box-shadow: 0 8px 20px rgba(239,111,142,.35); }
.btn--coral:hover { background: var(--coral-oscuro); }
.btn--blanco { background: var(--blanco); color: var(--carbon); }
.btn--contorno { border-color: currentColor; color: var(--turquesa-oscuro); background: transparent; }
.btn--contorno-blanco { border-color: rgba(255,255,255,.8); color: var(--blanco); background: rgba(255,255,255,.08); }
.btn--whatsapp { background: #25d366; color: #073b1f; }
.btn--bloque { width: 100%; }
.btn--sm { min-height: 42px; padding: 0 18px; font-size: .9rem; }
.btn[disabled] { opacity: .6; cursor: wait; transform: none; }
.botones { display: flex; flex-wrap: wrap; gap: 12px; }

/* --- Marca (wordmark tipográfico, sin logo todavía) ------------------- */
.marca {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--fuente-titulo); font-weight: 800; font-size: 1.05rem;
  color: var(--carbon); text-decoration: none; line-height: 1;
  white-space: nowrap;
}
.marca__sello {
  width: 30px; height: 30px; border-radius: 50%; flex: none;
  border: 5px solid var(--coral);
  box-shadow: inset 0 0 0 4px var(--blanco), inset 0 0 0 30px var(--turquesa);
}
.marca b { color: var(--coral); font-weight: 800; }
.marca--blanca { color: var(--blanco); }
.marca--blanca .marca__sello { box-shadow: inset 0 0 0 4px var(--carbon), inset 0 0 0 30px var(--turquesa); }

/* --- Encabezado --------------------------------------------------------- */
.header {
  position: sticky; top: 0; z-index: 50;
  height: var(--header-alto);
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.header.con-sombra { border-color: var(--linea); box-shadow: 0 4px 20px rgba(31,42,46,.05); }
.header__fila { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.nav { display: none; }
.nav a {
  font-weight: 700; font-size: .95rem; color: var(--carbon); text-decoration: none;
  padding: 8px 4px; border-bottom: 2px solid transparent;
}
.nav a:hover { color: var(--turquesa); border-color: var(--turquesa); }
@media (min-width: 900px) {
  .nav { display: flex; gap: 28px; }
}
@media (max-width: 380px) {
  .marca { font-size: .92rem; }
  .header .btn--sm { padding: 0 14px; }
}

/* --- Imágenes y placeholders ------------------------------------------ */
/* Cada imagen se pinta dentro de .media. Si el archivo aún no existe,
   se muestra un fondo de marca con el nombre de la imagen que va ahí. */
.media {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--turquesa-claro), var(--verde-claro) 60%, var(--coral-claro));
  border-radius: var(--radio);
}
.media picture { display: block; width: 100%; height: 100%; }
.media img {
  width: 100%; height: 100%; object-fit: cover;
  object-position: var(--imagen-posicion, 50% 50%);
}
/* Conservar rostros al recortar fotos cuadradas o apaisadas en estos marcos. */
.media[data-img="hero-principal"],
.media[data-img="pilar-movimiento"],
.media[data-img="pilar-prevencion"] { --imagen-posicion: 50% 0%; }
.media[data-img="categoria-cardio"] { --imagen-posicion: 20% 50%; }
.media--vacia::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 25%, rgba(14,154,167,.18) 0 18%, transparent 19%),
    radial-gradient(circle at 80% 70%, rgba(239,111,142,.18) 0 14%, transparent 15%),
    radial-gradient(circle at 65% 20%, rgba(61,190,139,.18) 0 9%, transparent 10%);
}
.media__etiqueta {
  position: absolute; left: 12px; bottom: 12px;
  font: 700 .72rem/1 var(--fuente-titulo); letter-spacing: .04em;
  color: var(--turquesa-oscuro); background: rgba(255,255,255,.85);
  padding: 6px 10px; border-radius: 999px;
}
.r-1x1 { aspect-ratio: 1 / 1; }
.r-4x3 { aspect-ratio: 4 / 3; }
.r-3x2 { aspect-ratio: 3 / 2; }
.r-16x9 { aspect-ratio: 16 / 9; }
.r-4x5 { aspect-ratio: 4 / 5; }
.r-3x1 { aspect-ratio: 3 / 1; }

/* --- Hero ---------------------------------------------------------------- */
.hero {
  position: relative; color: var(--blanco);
  min-height: calc(92vh - var(--header-alto)); min-height: calc(92svh - var(--header-alto));
  display: flex; align-items: flex-end;
  padding: 120px 0 56px;
  isolation: isolate;
}
.hero__fondo { position: absolute; inset: 0; z-index: -2; border-radius: 0; }
.hero__fondo.media { background: linear-gradient(160deg, #0e9aa7 0%, #0b7d88 45%, #3dbe8b 100%); }
.hero__fondo.media--vacia::before {
  background-image:
    radial-gradient(circle at 85% 20%, rgba(255,255,255,.14) 0 22%, transparent 23%),
    radial-gradient(circle at 75% 75%, rgba(239,111,142,.35) 0 12%, transparent 13%),
    radial-gradient(circle at 12% 12%, rgba(255,255,255,.08) 0 10%, transparent 11%);
}
.hero__fondo .media__etiqueta { left: auto; right: 12px; bottom: 12px; }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(10,50,56,0) 30%, rgba(10,50,56,.75) 100%);
}
@media (min-width: 900px) {
  .hero { align-items: center; padding: 96px 0; }
  .hero::after { background: linear-gradient(90deg, rgba(10,50,56,.78) 0%, rgba(10,50,56,.35) 55%, rgba(10,50,56,0) 100%); }
}
.hero__contenido { max-width: 640px; }
.hero h1 { margin-bottom: 16px; text-wrap: balance; }
.hero__sub { font-size: 1.15rem; opacity: .95; margin-bottom: 24px; max-width: 560px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; padding: 0; list-style: none; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  font: 700 .85rem/1 var(--fuente-titulo);
  padding: 9px 14px; border-radius: 999px;
  background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.35);
  color: var(--blanco);
}

/* --- Tarjetas ----------------------------------------------------------- */
.rejilla { display: grid; gap: 20px; }
@media (min-width: 700px) { .rejilla--3 { grid-template-columns: repeat(3, 1fr); } .rejilla--2 { grid-template-columns: repeat(2, 1fr); } }
.tarjeta {
  background: var(--blanco); border-radius: var(--radio);
  box-shadow: var(--sombra); overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform .2s ease, box-shadow .2s ease;
}
.tarjeta:hover { transform: translateY(-4px); box-shadow: var(--sombra-hover); }
.tarjeta .media { border-radius: 0; }
.tarjeta__cuerpo { padding: 22px 22px 26px; }
.tarjeta__cuerpo p:last-child { margin-bottom: 0; }
.tarjeta__icono {
  width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center;
  margin: -44px 0 14px; position: relative;
  background: var(--turquesa); color: var(--blanco); box-shadow: 0 6px 16px rgba(14,154,167,.35);
}
.tarjeta__icono svg { width: 24px; height: 24px; }
.tarjeta--coral .tarjeta__icono { background: var(--coral); box-shadow: 0 6px 16px rgba(239,111,142,.35); }
.tarjeta--verde .tarjeta__icono { background: var(--verde); box-shadow: 0 6px 16px rgba(61,190,139,.35); }
.tarjeta p { color: var(--gris); }

/* --- Franja de dato ----------------------------------------------------- */
.franja { background: var(--turquesa); color: var(--blanco); padding: 56px 0; position: relative; overflow: hidden; }
.franja::before, .franja::after {
  content: ""; position: absolute; border-radius: 50%;
  border: 28px solid rgba(255,255,255,.08);
}
.franja::before { width: 280px; height: 280px; right: -80px; top: -120px; }
.franja::after { width: 180px; height: 180px; left: -60px; bottom: -90px; border-color: rgba(239,111,142,.25); }
.franja__texto {
  font-family: var(--fuente-titulo); font-weight: 800;
  font-size: clamp(1.4rem, 3.6vw, 2.2rem); line-height: 1.3;
  max-width: 900px; margin: 0 0 14px; text-wrap: balance;
}
.franja__fuente { font-size: .85rem; opacity: .85; margin: 0; }

/* --- Taller ------------------------------------------------------------ */
.taller { display: grid; gap: 32px; align-items: start; }
@media (min-width: 900px) { .taller { grid-template-columns: 1fr 1.05fr; gap: 56px; } }
.datos { list-style: none; padding: 0; margin: 0 0 28px; display: grid; gap: 12px; grid-template-columns: 1fr 1fr; }
.dato {
  background: var(--arena); border-radius: var(--radio-sm); padding: 14px 16px;
}
.dato__etiqueta { display: block; font: 700 .72rem/1.2 var(--fuente-titulo); letter-spacing: .08em; text-transform: uppercase; color: var(--gris); margin-bottom: 4px; }
.dato__valor { font-weight: 700; font-size: 1rem; }
.respaldo { font-size: .92rem; color: var(--gris); border-left: 3px solid var(--verde); padding-left: 12px; margin: 0 0 28px; }
.linea-tiempo { list-style: none; margin: 0 0 32px; padding: 0; counter-reset: semana; }
.linea-tiempo li {
  position: relative; padding: 0 0 18px 60px; min-height: 44px;
  counter-increment: semana;
}
.linea-tiempo li::before {
  content: counter(semana);
  position: absolute; left: 0; top: 0;
  width: 44px; height: 44px; border-radius: 50%;
  display: grid; place-items: center;
  font: 800 1.05rem/1 var(--fuente-titulo);
  background: var(--turquesa-claro); color: var(--turquesa-oscuro);
}
.linea-tiempo li::after {
  content: ""; position: absolute; left: 21px; top: 48px; bottom: 4px; width: 2px; background: var(--linea);
}
.linea-tiempo li:last-child::after { display: none; }
.linea-tiempo strong { display: block; font-family: var(--fuente-titulo); padding-top: 2px; }
.linea-tiempo span { color: var(--gris); font-size: .95rem; }

/* --- Filtros (chips seleccionables) ---------------------------------- */
.filtros { display: flex; gap: 8px; overflow-x: auto; padding: 4px 2px 12px; margin: 0 0 20px; scrollbar-width: none; }
.filtros::-webkit-scrollbar { display: none; }
.filtro {
  flex: none; min-height: 44px; padding: 0 18px; border-radius: 999px;
  border: 2px solid var(--linea); background: var(--blanco); color: var(--carbon);
  font: 700 .92rem/1 var(--fuente-titulo); cursor: pointer;
  transition: all .15s ease;
}
.filtro:hover { border-color: var(--turquesa); }
.filtro[aria-pressed="true"] { background: var(--turquesa); border-color: var(--turquesa); color: var(--blanco); }

/* --- Categorías de ejercicio ----------------------------------------- */
.categorias { display: grid; gap: 14px; grid-template-columns: repeat(2, 1fr); margin-bottom: 40px; }
@media (min-width: 900px) { .categorias { grid-template-columns: repeat(5, 1fr); } }
.categoria {
  position: relative; border-radius: var(--radio); overflow: hidden; color: var(--blanco);
  text-decoration: none; display: block; box-shadow: var(--sombra);
}
.categoria .media { border-radius: 0; aspect-ratio: 4 / 5; }
.categoria:first-child { grid-column: span 2; }
.categoria:first-child .media { aspect-ratio: 16 / 9; }
@media (min-width: 900px) {
  .categoria:first-child { grid-column: auto; }
  .categoria:first-child .media { aspect-ratio: 4 / 5; }
}
.categoria::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(10,50,56,.8));
}
.categoria__nombre {
  position: absolute; left: 16px; right: 16px; bottom: 14px; z-index: 1;
  font: 800 1.1rem/1.2 var(--fuente-titulo);
}
.categoria__nombre small { display: block; font: 600 .8rem/1.3 var(--fuente-texto); opacity: .9; margin-top: 4px; }
.categoria .media__etiqueta { top: 10px; bottom: auto; left: 10px; }

/* --- Videos ------------------------------------------------------------ */
.videos { display: grid; gap: 20px; }
@media (min-width: 700px) { .videos { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .videos { grid-template-columns: repeat(3, 1fr); } }
.video { background: var(--blanco); border-radius: var(--radio); overflow: hidden; box-shadow: var(--sombra); display: flex; flex-direction: column; }
.video__marco { position: relative; aspect-ratio: 16 / 9; background: var(--carbon); }
.video__marco iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video__play {
  position: absolute; inset: 0; width: 100%; height: 100%; border: 0; padding: 0; cursor: pointer;
  background: var(--carbon) center / cover no-repeat;
}
.video__play::after {
  content: ""; position: absolute; left: 50%; top: 50%; width: 68px; height: 68px; margin: -34px 0 0 -34px;
  border-radius: 50%; background: var(--coral) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M8 5v14l11-7z'/%3E%3C/svg%3E") 55% 50% / 30px no-repeat;
  box-shadow: 0 8px 24px rgba(0,0,0,.35); transition: transform .15s ease;
}
.video__play:hover::after { transform: scale(1.08); }
.video__pendiente {
  position: absolute; inset: 0; display: grid; place-items: center; text-align: center; padding: 16px;
  background: linear-gradient(135deg, var(--turquesa), var(--verde));
  color: var(--blanco); font: 700 .95rem/1.3 var(--fuente-titulo);
}
.video__cuerpo { padding: 16px 18px 20px; }
.video__cuerpo h3 { font-size: 1.05rem; margin-bottom: 8px; }
.meta { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; list-style: none; }
.meta li {
  font: 700 .72rem/1 var(--fuente-titulo); letter-spacing: .02em;
  padding: 6px 10px; border-radius: 999px; background: var(--turquesa-claro); color: var(--turquesa-oscuro);
}
.meta li.meta--coral { background: var(--coral-claro); color: var(--coral-oscuro); }
.video--candado {
  justify-content: center; align-items: center; text-align: center; padding: 32px 24px;
  background: linear-gradient(160deg, var(--coral) 0%, #f08a6e 100%); color: var(--blanco);
  min-height: 260px;
}
.video--candado svg { width: 44px; height: 44px; margin-bottom: 12px; }
.video--candado h3 { font-size: 1.3rem; }
.video--candado p { opacity: .95; }

/* --- Preguntas frecuentes --------------------------------------------- */
.faq { max-width: 820px; margin: 0 auto; }
.faq details {
  background: var(--blanco); border-radius: var(--radio-sm); margin-bottom: 12px;
  box-shadow: 0 2px 10px rgba(31,42,46,.05); border: 1px solid var(--linea);
}
.faq summary {
  cursor: pointer; list-style: none; padding: 18px 56px 18px 20px; position: relative;
  font: 700 1.02rem/1.35 var(--fuente-titulo);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 18px; top: 50%; transform: translateY(-50%);
  width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center;
  background: var(--turquesa-claro); color: var(--turquesa-oscuro); font-size: 1.2rem;
}
.faq details[open] summary::after { content: "–"; background: var(--turquesa); color: var(--blanco); }
.faq details > div { padding: 0 20px 18px; color: var(--gris); }

/* --- Registro ---------------------------------------------------------- */
.registro {
  display: grid; background: var(--blanco); border-radius: 28px; overflow: hidden; box-shadow: var(--sombra-hover);
}
@media (min-width: 900px) { .registro { grid-template-columns: .9fr 1.1fr; } }
.registro__imagen { display: none; }
@media (min-width: 900px) { .registro__imagen { display: block; } .registro__imagen .media { height: 100%; border-radius: 0; } }
.registro__form { padding: 32px 22px; }
@media (min-width: 700px) { .registro__form { padding: 48px; } }
.campo { margin-bottom: 18px; }
.campo label { display: block; font: 700 .92rem/1.3 var(--fuente-titulo); margin-bottom: 6px; }
.campo small { display: block; color: var(--gris); font-size: .85rem; margin-top: 6px; }
.campo input {
  width: 100%; min-height: 54px; padding: 12px 16px;
  font: 400 1.05rem var(--fuente-texto); color: var(--carbon);
  background: var(--arena); border: 2px solid transparent; border-radius: 14px;
  transition: border-color .15s ease, background-color .15s ease;
}
.campo input:focus { outline: none; border-color: var(--turquesa); background: var(--blanco); }
.campo input[aria-invalid="true"] { border-color: var(--coral); background: var(--coral-claro); }
.campo__error { color: var(--coral-oscuro); font-size: .88rem; font-weight: 700; margin-top: 6px; display: none; }
.campo input[aria-invalid="true"] ~ .campo__error { display: block; }
.prefijo { display: flex; }
.prefijo span {
  display: grid; place-items: center; padding: 0 14px; border-radius: 14px 0 0 14px;
  background: var(--turquesa-claro); color: var(--turquesa-oscuro); font-weight: 800;
}
.prefijo input { border-radius: 0 14px 14px 0; }
.fila-2 { display: grid; gap: 0 16px; }
@media (min-width: 560px) { .fila-2 { grid-template-columns: 1fr 1fr; } }
.check { display: flex; gap: 12px; align-items: flex-start; font-size: .92rem; color: var(--gris); margin: 6px 0 22px; cursor: pointer; }
.check input { width: 22px; height: 22px; margin-top: 2px; accent-color: var(--turquesa); flex: none; }
.check.invalido { color: var(--coral-oscuro); }
.trampa { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.aviso-form { border-radius: 14px; padding: 14px 16px; margin-bottom: 18px; font-weight: 700; display: none; }
.aviso-form.visible { display: block; }
.aviso-form--error { background: var(--coral-claro); color: var(--coral-oscuro); }
.aviso-form--ok { background: var(--verde-claro); color: #1d7a53; }
.micro { font-size: .85rem; color: var(--gris); text-align: center; margin: 14px 0 0; }

/* --- Pie de página ----------------------------------------------------- */
.pie { background: var(--carbon); color: rgba(255,255,255,.8); padding: 56px 0 100px; font-size: .95rem; }
.pie a { color: var(--blanco); text-decoration: none; }
.pie a:hover { text-decoration: underline; }
.pie__rejilla { display: grid; gap: 32px; margin-bottom: 36px; }
@media (min-width: 800px) { .pie__rejilla { grid-template-columns: 1.4fr 1fr 1fr; } }
.pie h4 { color: var(--blanco); font-size: .85rem; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 14px; }
.pie ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.pie__legal { border-top: 1px solid rgba(255,255,255,.12); padding-top: 24px; font-size: .85rem; color: rgba(255,255,255,.6); }

/* --- WhatsApp flotante -------------------------------------------------- */
.wa-flotante {
  position: fixed; right: 16px; bottom: 16px; z-index: 60;
  width: 60px; height: 60px; border-radius: 50%;
  display: grid; place-items: center;
  background: #25d366; color: var(--blanco);
  box-shadow: 0 10px 28px rgba(0,0,0,.25);
  transition: transform .15s ease;
}
.wa-flotante:hover { transform: scale(1.06); }
.wa-flotante svg { width: 32px; height: 32px; }

/* --- Páginas simples (gracias, acceso, aviso) --------------------------- */
.pagina-simple { min-height: calc(100vh - var(--header-alto)); display: grid; place-items: center; padding: 48px 0; background: var(--arena); }
.caja {
  width: 100%; max-width: 560px; margin: 0 auto; background: var(--blanco);
  border-radius: 28px; box-shadow: var(--sombra-hover); padding: 36px 24px; text-align: center;
}
@media (min-width: 600px) { .caja { padding: 48px; } }
.caja__icono {
  width: 76px; height: 76px; border-radius: 50%; margin: 0 auto 20px;
  display: grid; place-items: center; background: var(--verde-claro); color: var(--verde);
}
.caja__icono svg { width: 40px; height: 40px; }
.caja .botones { justify-content: center; flex-direction: column; }
.caja .campo { text-align: left; }
.texto-legal { max-width: 800px; margin: 0 auto; }
.texto-legal h2 { font-size: 1.4rem; margin-top: 1.6em; }
.borrador {
  background: var(--coral-claro); color: var(--coral-oscuro); border-radius: 14px; padding: 14px 18px; font-weight: 700; margin-bottom: 28px;
}

/* --- Biblioteca -------------------------------------------------------- */
.biblio-cabeza { position: relative; color: var(--blanco); padding: 56px 0 40px; isolation: isolate; overflow: hidden; }
.biblio-cabeza .media { position: absolute; inset: 0; z-index: -2; border-radius: 0; background: linear-gradient(135deg, var(--turquesa), var(--verde)); }
.biblio-cabeza::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(10,50,56,.8), rgba(10,50,56,.2)); }
.biblio-cabeza .media__etiqueta { left: auto; right: 12px; }
.buscador { position: relative; margin-bottom: 16px; }
.buscador input {
  width: 100%; min-height: 54px; padding: 12px 16px 12px 48px; border-radius: 999px;
  border: 2px solid var(--linea); font: 400 1.05rem var(--fuente-texto); background: var(--blanco);
}
.buscador input:focus { outline: none; border-color: var(--turquesa); }
.buscador svg { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); width: 22px; height: 22px; color: var(--gris); }
.filtros-titulo { font: 700 .78rem/1 var(--fuente-titulo); letter-spacing: .1em; text-transform: uppercase; color: var(--gris); margin: 8px 0 8px; }
.semana-bloque { margin-top: 48px; }
.semana-bloque__cabeza { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; border-bottom: 2px solid var(--linea); padding-bottom: 10px; }
.semana-bloque__cabeza h2 { font-size: 1.5rem; margin: 0; }
.semana-cerrada {
  border: 2px dashed var(--linea); border-radius: var(--radio); padding: 28px; text-align: center; color: var(--gris);
  background: var(--arena);
}
.guia { background: var(--blanco); border-radius: var(--radio); box-shadow: var(--sombra); padding: 24px; }
.guia ul { padding-left: 20px; color: var(--gris); margin: 0; }
.guia li { margin-bottom: 6px; }
.vacio { text-align: center; color: var(--gris); padding: 48px 0; }
.cargando { text-align: center; color: var(--gris); padding: 80px 0; }

/* --- Utilidades --------------------------------------------------------- */
.centro { text-align: center; }
.mt-0 { margin-top: 0; }
.oculto { display: none !important; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}