/* =========================================================
   Didáctica de las matemáticas en la primera infancia
   Maqueta de la página de inicio
   ========================================================= */

:root {
  /* Colores */
  --tinta: #1F2A44;
  --tinta-pie: #121A30;
  --cielo: #5BB8F0;
  --sol: #FFD45E;
  --coral: #FF7A6B;
  --menta: #7FD8B5;
  --lila: #B7A6F2;

  --cielo-t: #DDF1FD;
  --sol-t: #FFF3C9;
  --coral-t: #FFE3DF;
  --menta-t: #D9F5E9;
  --lila-t: #ECE7FD;

  --fondo: #F6FAFF;
  --borde: #E1E9F7;
  --texto-2: #4A5676;
  --puntos: #C9D8F2;
  --blanco: #FFFFFF;
  --claro-sobre-tinta: #C9D2E8;

  /* Tipografía */
  --f-titulo: "Bricolage Grotesque", system-ui, sans-serif;
  --f-texto: "Figtree", system-ui, sans-serif;
  --f-mono: "DM Mono", ui-monospace, monospace;

  /* Medidas */
  --ancho: 1240px;
  --lateral: 32px;
  --radio: 22px;
  --radio-seccion: 44px;
  --sombra-bloque: rgba(31, 42, 68, .14);
  --sombra-suave: 0 18px 40px -18px rgba(31, 42, 68, .28);
  --curva: cubic-bezier(.2, .7, .2, 1);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--fondo);
  color: var(--tinta);
  font-family: var(--f-texto);
  font-size: 1.0625rem;
  line-height: 1.6;
  position: relative;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: var(--f-titulo);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.08;
  margin: 0;
}
h3 { font-weight: 700; }
p { margin: 0; }
ul, ol { list-style: none; margin: 0; padding: 0; }
a { color: inherit; }
svg { display: block; }
img { max-width: 100%; display: block; }

:focus-visible {
  outline: 3px solid var(--tinta);
  outline-offset: 3px;
  border-radius: 8px;
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.sprite { position: absolute; }

.saltar {
  position: absolute; left: 16px; top: -60px; z-index: 50;
  background: var(--tinta); color: #fff; padding: 12px 18px; border-radius: 999px;
  font-weight: 600; text-decoration: none;
}
.saltar:focus { top: 12px; }

.contenedor {
  width: 100%;
  max-width: calc(var(--ancho) + var(--lateral) * 2);
  margin-inline: auto;
  padding-inline: var(--lateral);
}

/* Etiquetas y datos en DM Mono */
.etiqueta, .dato {
  font-family: var(--f-mono);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .1em;
  font-size: .78rem;
  line-height: 1.4;
}
.etiqueta {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--texto-2);
  margin-bottom: 14px;
}
.etiqueta::before {
  content: ""; width: 10px; height: 10px; border-radius: 3px;
  background: var(--coral); box-shadow: 14px 0 0 var(--sol), 28px 0 0 var(--menta);
  margin-right: 28px;
}
.etiqueta--clara { color: var(--claro-sobre-tinta); }

/* Tintes */
.tinte-cielo { background: var(--cielo-t); }
.tinte-sol { background: var(--sol-t); }
.tinte-coral { background: var(--coral-t); }
.tinte-menta { background: var(--menta-t); }
.tinte-lila { background: var(--lila-t); }

/* ---------- Rasgo 1: bloque de construcción ---------- */
.bloque {
  --c: var(--coral);
  --t: 64px;
  position: relative;
  display: inline-flex; flex-direction: column;
  align-items: center; justify-content: center;
  width: var(--t); height: var(--t);
  margin-top: calc(var(--t) * .14);
  border-radius: 26px;
  background: var(--c);
  color: var(--tinta);
  font-family: var(--f-titulo); font-weight: 800; letter-spacing: -0.02em;
  font-size: calc(var(--t) * .48); line-height: 1;
  box-shadow: 0 calc(var(--t) * .07) 0 var(--sombra-bloque);
  flex-shrink: 0;
}
.bloque::before, .bloque::after {
  content: "";
  position: absolute;
  top: calc(var(--t) * -.13);
  width: calc(var(--t) * .24); height: calc(var(--t) * .2);
  border-radius: 999px 999px 4px 4px;
  background: var(--c);
}
.bloque::before { left: 20%; }
.bloque::after { right: 20%; }
.bloque--coral { --c: var(--coral); }
.bloque--sol { --c: var(--sol); }
.bloque--menta { --c: var(--menta); }
.bloque--lila { --c: var(--lila); }
.bloque--cielo { --c: var(--cielo); }
.bloque--sm { --t: 76px; }
.bloque--xs { --t: 44px; border-radius: 14px; font-size: 1.15rem; }

/* ---------- Rasgo 3: botones que se hunden ---------- */
.btn {
  --hondo: 5px;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px;
  padding: 0 26px;
  border-radius: 999px;
  border: 2px solid var(--tinta);
  font-family: var(--f-texto); font-weight: 700; font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: transform .18s var(--curva), box-shadow .18s var(--curva);
}
.btn svg { width: 20px; height: 20px; }
.btn--principal {
  background: var(--tinta); color: #fff;
  box-shadow: 0 var(--hondo) 0 #0C1324;
}
.btn--secundario, .btn--pequeno {
  background: #fff; color: var(--tinta);
  box-shadow: 0 var(--hondo) 0 var(--tinta);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 calc(var(--hondo) + 2px) 0 var(--sombra-btn, #0C1324); }
.btn--secundario:hover, .btn--pequeno:hover { --sombra-btn: var(--tinta); }
.btn:active { transform: translateY(4px); box-shadow: 0 1px 0 var(--sombra-btn, #0C1324); }
.btn--secundario:active, .btn--pequeno:active { --sombra-btn: var(--tinta); }
.btn--pequeno { --hondo: 4px; min-height: 44px; padding: 0 18px; font-size: .95rem; }
.bloque-seccion--tinta :focus-visible, .pie :focus-visible { outline-color: var(--sol); }

/* ---------- Rasgo 2: papel punteado ---------- */
.papel {
  position: absolute; inset: 0 0 auto 0;
  height: 900px;
  background-image: radial-gradient(circle, var(--puntos) 1.6px, transparent 2px);
  background-size: 28px 28px;
  background-position: 14px 14px;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 35%, transparent 100%);
          mask-image: linear-gradient(to bottom, #000 0%, #000 35%, transparent 100%);
  pointer-events: none;
  z-index: 0;
}
.cabecera { position: relative; z-index: 10; }
main, .pie { position: relative; z-index: 1; }

/* ---------- Cabecera ---------- */
.cabecera__fila {
  display: flex; align-items: center; gap: 28px;
  padding-block: 22px;
}
.cabecera__centro {
  flex: 1; min-width: 0;
  display: flex; align-items: center; justify-content: center; gap: 28px;
}
.logo { display: inline-flex; flex-shrink: 0; text-decoration: none; }
.logo img { display: block; height: 104px; width: auto; object-fit: contain; }
.logo--pie img { height: 96px; }

.menu ul { display: flex; gap: 4px; }
.menu a {
  display: inline-flex; align-items: center;
  min-height: 44px; padding: 0 7px;
  border-radius: 999px;
  font-weight: 600; font-size: .98rem;
  text-decoration: none; white-space: nowrap;
  transition: background-color .2s;
}
.menu a:hover { background: #fff; box-shadow: inset 0 0 0 1.5px var(--borde); }
.menu a[aria-current="page"], .panel-movil a[aria-current="page"] {
  background: var(--sol); box-shadow: inset 0 0 0 2px var(--tinta);
}

.menu__sub { position: relative; }
.menu__flecha { font-size: .7em; margin-left: 6px; }
.menu .submenu {
  display: none; position: absolute; left: 0; top: 100%; z-index: 30;
  flex-direction: column; gap: 0; padding-top: 8px; min-width: 100%;
}
.menu__sub:hover > .submenu, .menu__sub:focus-within > .submenu { display: flex; }
.menu .submenu a {
  min-height: 48px; padding: 0 20px; width: 100%;
  background: #fff; border: 2px solid var(--tinta); border-radius: 18px;
  box-shadow: 0 4px 0 var(--tinta);
}
.menu .submenu li + li { margin-top: 8px; }
.menu .submenu a:hover { background: #FFE9A3; box-shadow: 0 4px 0 var(--tinta); }

.buscador { position: relative; width: 220px; flex-shrink: 0; }
.buscador input {
  width: 100%; min-height: 46px;
  padding: 0 18px 0 46px;
  border: 2px solid var(--borde); border-radius: 999px;
  background: #fff; color: var(--tinta);
  font: 500 .95rem var(--f-texto);
  transition: border-color .2s;
}
.buscador input::placeholder { color: var(--texto-2); opacity: 1; }
.buscador input:hover { border-color: #C3D1EA; }
.buscador input:focus-visible { outline: 3px solid var(--tinta); outline-offset: 2px; border-color: var(--tinta); }
.buscador__icono {
  position: absolute; left: 16px; top: 50%; translate: 0 -50%;
  width: 20px; height: 20px; color: var(--tinta); pointer-events: none;
}

.cabecera__acciones { display: none; gap: 8px; }
.boton-icono {
  display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px;
  border: 2px solid var(--tinta); border-radius: 999px;
  background: #fff; color: var(--tinta); cursor: pointer;
  box-shadow: 0 3px 0 var(--tinta);
}
.boton-icono svg { width: 22px; height: 22px; }
.boton-menu { background: var(--tinta); color: #fff; box-shadow: 0 3px 0 #0C1324; }
.boton-menu__barras { display: grid; gap: 4px; width: 20px; }
.boton-menu__barras span { height: 2.5px; border-radius: 2px; background: currentColor; transition: transform .2s, opacity .2s; }
.boton-menu[aria-expanded="true"] .boton-menu__barras span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.boton-menu[aria-expanded="true"] .boton-menu__barras span:nth-child(2) { opacity: 0; }
.boton-menu[aria-expanded="true"] .boton-menu__barras span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.panel-movil {
  position: absolute; left: 0; right: 0; top: 100%;
  z-index: 20;
  padding: 16px 0 24px;
  background: #fff;
  border-bottom: 2px solid var(--borde);
  box-shadow: var(--sombra-suave);
}
.panel-movil .buscador { width: 100%; margin-bottom: 12px; }
.panel-movil__lista { display: grid; gap: 4px; }
.panel-movil__lista a {
  display: flex; align-items: center;
  min-height: 52px; padding: 0 18px;
  border-radius: 16px;
  font-weight: 600; font-size: 1.08rem; text-decoration: none;
}
.panel-movil__lista a:hover { background: var(--fondo); }
.panel-movil__lista a.panel-movil__sub { padding-left: 38px; font-size: 15px; min-height: 44px; }

/* ---------- 1. Portada ---------- */
.portada {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  align-items: center;
  gap: 40px;
  padding-top: 56px; padding-bottom: 0;
}
.portada__titulo {
  font-size: clamp(2.6rem, 6.2vw, 5rem);
  line-height: 1.02;
  margin-bottom: 22px;
}
.portada__titulo mark {
  background: linear-gradient(transparent 12%, var(--sol) 12%, var(--sol) 88%, transparent 88%);
  color: inherit;
  padding: 0 .12em;
  border-radius: 14px;
  -webkit-box-decoration-break: clone; box-decoration-break: clone;
}
.portada__brote {
  display: inline-block;
  width: .66em; height: .8em; margin-left: .12em;
  vertical-align: baseline;
  overflow: visible;
}
.portada__brote-hojas { transform-box: fill-box; transform-origin: 50% 100%; }
.portada__brote { animation: brotar 6s ease-in-out infinite; transform-origin: 50% 100%; }
@keyframes brotar { 0%, 100% { transform: rotate(-3deg); } 50% { transform: rotate(4deg); } }
.portada__sub {
  font-size: 1.2rem; color: var(--texto-2);
  max-width: 34em; margin-bottom: 32px;
}
.portada__botones { display: flex; flex-wrap: wrap; gap: 14px 16px; margin-bottom: 36px; }

.publico { display: flex; flex-wrap: wrap; gap: 10px; }
.publico li {
  display: inline-flex; align-items: center; gap: 10px;
  min-height: 40px; padding: 0 16px 0 12px;
  border: 1.5px solid var(--borde); border-radius: 999px;
  background: #fff;
  font-weight: 600; font-size: .95rem;
}
.publico__marca { width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--tinta); }
.publico__marca--coral { background: var(--coral); }
.publico__marca--cielo { background: var(--cielo); border-radius: 4px; }
.publico__marca--menta { background: var(--menta); transform: rotate(45deg) scale(.88); border-radius: 3px; }

/* Ilustración provisional */
.ilustracion { display: flex; justify-content: center; }
.ilustracion__lienzo {
  position: relative;
  width: 100%; max-width: 520px;
  aspect-ratio: 1 / 1;
}
.il-circulo {
  position: absolute; inset: 9%;
  border-radius: 50%;
  background: var(--lila);
  animation: girar 40s linear infinite;
}
/* Ábaco pequeño en el centro: por encima del morado y por debajo de lo demás */
.il-abaco {
  position: absolute; left: 50%; top: 53%;
  width: 24%;
  translate: -50% -50%;
  rotate: -5deg;
  animation: flotar-suave 8s ease-in-out infinite;
}
@keyframes flotar-suave { 50% { transform: translateY(-6px); } }
.il-circulo__orbita {
  position: absolute; inset: 10%;
  border-radius: 50%;
  border: 2.5px dashed rgba(31, 42, 68, .35);
}
.il-circulo__punto {
  position: absolute; top: 6%; left: 50%;
  width: 18px; height: 18px; margin-left: -9px;
  border-radius: 50%; background: var(--tinta);
}
.il-aro {
  position: absolute; top: 3%; left: 6%;
  width: 24%; aspect-ratio: 1;
  border-radius: 50%;
  border: 18px solid var(--sol);
  box-shadow: 0 0 0 2.5px var(--tinta), inset 0 0 0 2.5px var(--tinta);
}
.il-triangulo { position: absolute; top: 10%; right: 4%; width: 25%; }
.il-dado {
  position: absolute; bottom: 30%; left: 2%;
  width: 22%;
  filter: drop-shadow(0 7px 0 var(--sombra-bloque));
  --giro: -10deg;
}
.il-estrella { position: absolute; top: 42%; right: 6%; width: 17%; --giro: 12deg; }
.il-suma {
  position: absolute; left: 50%; bottom: 6%;
  translate: -50% 0;
  display: flex; align-items: center; gap: 10px;
}
.il-suma__op {
  font-family: var(--f-titulo); font-weight: 800; font-size: 2.2rem; line-height: 1;
  color: var(--tinta);
}
.il-suma__op { min-width: 1.1ch; text-align: center; }
.il-suma__valor { display: inline-block; will-change: transform, opacity; }
.il-suma .bloque, .il-suma .bloque::before, .il-suma .bloque::after { transition: background-color .45s ease; }

.flota { animation: flotar var(--d, 9s) ease-in-out infinite; }
.il-aro.flota { animation-delay: -2s; }
.il-dado.flota { animation-delay: -4s; }
.il-estrella.flota { animation-delay: -1s; }

@keyframes flotar {
  0%, 100% { transform: translateY(0) rotate(var(--giro, 0deg)); }
  50% { transform: translateY(-14px) rotate(calc(var(--giro, 0deg) + 6deg)); }
}
@keyframes girar { to { transform: rotate(360deg); } }

/* Entrada en escalera */
.aparece { animation: aparecer .7s var(--curva) both; animation-delay: calc(var(--i, 0) * 90ms + 80ms); }
@keyframes aparecer {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: none; }
}

/* ---------- Secciones ---------- */
main > section + section { margin-top: 112px; }
/* El lienzo de la ilustración ya deja ~30 px libres abajo: el hueco visible queda en ~64 px */
.portada + .seccion { margin-top: 28px; }

.seccion__encabezado {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 16px 40px; flex-wrap: wrap;
  margin-bottom: 40px;
}
.seccion__encabezado h2, .situaciones h2, .orientaciones h2, .grupo h2 {
  font-size: clamp(2rem, 3.6vw, 3rem);
}
.seccion__intro { color: var(--texto-2); max-width: 30em; }

/* Encabezado de "Explora por noción" y botón globo */
.encabezado-nociones {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "etiqueta ."
    "titulo boton"
    "apoyo .";
  column-gap: 40px;
  align-items: end;
  margin-bottom: 40px;
}
.encabezado-nociones__etiqueta { grid-area: etiqueta; justify-self: start; }
.encabezado-nociones__titulo { grid-area: titulo; font-size: clamp(2.125rem, 4vw, 3.25rem); }
.encabezado-nociones__apoyo {
  grid-area: apoyo; margin-top: 16px;
  max-width: 620px; font-size: 18px; color: var(--texto-2);
}
.boton-globo {
  grid-area: boton;
  position: relative; isolation: isolate;
  display: inline-flex; align-items: center; gap: 14px;
  padding: 14px 18px 14px 24px;
  background: var(--sol); color: var(--tinta);
  border: 2px solid var(--tinta); border-radius: 999px;
  font: 700 16px/1.2 var(--f-texto);
  text-decoration: none; white-space: nowrap;
  box-shadow: 0 5px 0 #0C1226, 0 14px 24px rgba(31, 42, 68, .16);
  animation: globo 4s ease-in-out infinite;
  transition: transform .25s var(--curva), box-shadow .25s var(--curva), background-color .2s;
}
.boton-globo:hover { background: #FFDF85; transform: translateY(-4px) rotate(-2deg); }
.boton-globo:active { transform: translateY(4px); box-shadow: 0 1px 0 #0C1226, 0 4px 8px rgba(31, 42, 68, .16); }
.boton-globo:focus-visible { outline: 3px solid var(--tinta); outline-offset: 3px; }
.boton-globo__flecha {
  display: grid; place-items: center;
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--tinta); color: #fff;
  transition: transform .25s var(--curva);
}
.boton-globo__flecha svg { width: 18px; height: 18px; }
.boton-globo:hover .boton-globo__flecha { transform: translateX(4px); }
.boton-globo__punto {
  position: absolute; z-index: -1; top: -7px; right: -5px;
  width: 14px; height: 14px; border-radius: 50%; background: var(--coral);
}
.boton-globo__estrella { position: absolute; z-index: -1; top: -10px; left: -6px; width: 16px; height: 16px; }
@keyframes globo {
  0%, 100% { translate: 0 3px; rotate: -1deg; }
  50% { translate: 0 -3px; rotate: 1deg; }
}

/* Botón globo menta ("Ver todas las entradas") */
.boton-menta {
  position: relative;
  display: inline-flex; align-items: center; gap: 12px;
  padding: 8px 8px 8px 22px;
  background: var(--menta); color: var(--tinta);
  border: 2px solid var(--tinta); border-radius: 999px;
  font: 700 16px/1.2 var(--f-texto);
  text-decoration: none; white-space: nowrap;
  box-shadow: 0 4px 0 var(--tinta);
  transition: transform .25s cubic-bezier(.34, 1.56, .64, 1), box-shadow .25s cubic-bezier(.34, 1.56, .64, 1), background-color .25s;
}
.boton-menta:hover { background: #9BE4C6; transform: translateY(-3px) rotate(-1.5deg); box-shadow: 0 7px 0 var(--tinta); }
.boton-menta:active { transform: translateY(3px); box-shadow: 0 1px 0 var(--tinta); }
.boton-menta:focus-visible { outline: 3px solid var(--tinta); outline-offset: 3px; }
.boton-menta__flecha {
  display: grid; place-items: center;
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--tinta); color: #fff;
  transition: transform .25s cubic-bezier(.34, 1.56, .64, 1);
}
.boton-menta__flecha svg { width: 16px; height: 16px; }
.boton-menta:hover .boton-menta__flecha { transform: translateX(3px); }
.boton-menta__punto {
  position: absolute; top: -11px; left: 14px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--sol); border: 2px solid var(--tinta);
}

.enlace-flecha {
  display: inline-flex; align-items: center; gap: 8px;
  min-height: 44px;
  font-weight: 700; text-decoration: none;
  border-bottom: 2px solid var(--sol);
}
.enlace-flecha svg { width: 20px; height: 20px; transition: transform .2s var(--curva); }
.enlace-flecha:hover svg { transform: translateX(4px); }

.bloque-seccion {
  border-radius: var(--radio-seccion);
  padding: 72px 64px;
}
.bloque-seccion--cielo { background: var(--cielo-t); }
.bloque-seccion--lila { background: var(--lila-t); }
.bloque-seccion--tinta { background: var(--tinta); color: #fff; }

/* Tarjetas genéricas */
.tarjeta {
  position: relative;
  background: #fff;
  border: 1.5px solid var(--borde);
  border-radius: var(--radio);
  transition: transform .25s var(--curva), box-shadow .25s var(--curva), border-color .25s;
}
.tarjeta:hover { transform: translateY(-6px); box-shadow: var(--sombra-suave); border-color: #CEDBF0; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  display: inline-flex; align-items: center;
  min-height: 28px; padding: 0 12px;
  border-radius: 999px;
  background: #fff;
  border: 1.5px solid rgba(31, 42, 68, .12);
  font-size: .85rem; font-weight: 600; line-height: 1;
  white-space: nowrap;
}
.chip--coral { background: var(--coral-t); border-color: transparent; }
.chip--cielo { background: var(--cielo-t); border-color: transparent; }
.chip--sol { background: var(--sol-t); border-color: transparent; }
.chip--menta { background: var(--menta-t); border-color: transparent; }
.chip--lila { background: var(--lila-t); border-color: transparent; }
.chip--pdf {
  background: var(--tinta); color: #fff; border-color: transparent;
  font-family: var(--f-mono); font-weight: 500; letter-spacing: .1em; font-size: .75rem;
}
.meta { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 14px; color: var(--texto-2); }

/* ---------- 2. Nociones ---------- */
.nociones {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}
.nociones li { display: flex; }
.tarjeta-nocion {
  display: flex; flex-direction: column;
  width: 100%;
  padding: 24px;
  text-decoration: none;
}
.tarjeta-nocion__icono {
  display: grid; place-items: center;
  width: 64px; height: 64px;
  border-radius: 18px;
  margin-bottom: 22px;
}
.tarjeta-nocion__icono svg { width: 40px; height: 40px; transition: transform .35s var(--curva); }
.tarjeta-nocion:hover .tarjeta-nocion__icono svg { transform: rotate(-10deg) scale(1.05); }
.tarjeta-nocion h3 { font-size: 1.4rem; margin-bottom: 8px; }
.tarjeta-nocion p { color: var(--texto-2); font-size: .98rem; margin-bottom: 22px; }
.tarjeta-nocion__pie {
  margin-top: auto;
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding-top: 16px;
  border-top: 1.5px dashed var(--borde);
  color: var(--texto-2);
}
.flecha { width: 22px; height: 22px; color: var(--tinta); transition: transform .25s var(--curva); flex-shrink: 0; }
.tarjeta:hover .flecha { transform: translateX(5px); }

.tarjeta-nocion--oscura { background: var(--tinta); border-color: var(--tinta); color: #fff; }
.tarjeta-nocion--oscura p, .tarjeta-nocion--oscura .tarjeta-nocion__pie { color: var(--claro-sobre-tinta); }
.tarjeta-nocion--oscura .tarjeta-nocion__pie { border-top-color: rgba(255, 255, 255, .18); }
.tarjeta-nocion--oscura .flecha { color: var(--sol); }
.tarjeta-nocion--oscura:hover { border-color: var(--tinta); }
.tarjeta-nocion__formas {
  transition: transform .35s var(--curva);
  display: grid; grid-template-columns: repeat(2, 26px); gap: 8px;
  height: 64px; align-content: center; margin-bottom: 22px;
}
.tarjeta-nocion__formas i { width: 26px; height: 26px; transition: transform .35s var(--curva); }
.tarjeta-nocion__formas i:nth-child(1) { background: var(--coral); border-radius: 50%; }
.tarjeta-nocion__formas i:nth-child(2) { background: var(--sol); border-radius: 6px; }
.tarjeta-nocion__formas i:nth-child(3) { background: var(--menta); clip-path: polygon(50% 0, 100% 100%, 0 100%); }
.tarjeta-nocion__formas i:nth-child(4) { background: var(--cielo); clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%); }
.tarjeta-nocion--oscura:hover .tarjeta-nocion__formas { transform: rotate(-8deg); }

/* ---------- 3. Edades ---------- */
.etapas {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  gap: 40px 56px;
  padding: 56px;
  border-radius: 44px;
  background: var(--cielo-t);
}
.etapas h2 { font-size: clamp(2rem, 3.6vw, 3rem); margin-bottom: 16px; }
.etapas__edad {
  padding: 7px 16px 7px 14px;
  background: #fff; color: var(--tinta);
  border: 2px solid var(--tinta); border-radius: 999px;
  box-shadow: 0 3px 0 var(--tinta);
  font-size: 1rem; font-weight: 500; letter-spacing: .12em;
  margin-bottom: 20px;
}
.etapas__habilidad {
  display: flex; align-items: center; gap: 10px;
  width: fit-content;
  margin: 28px 0 14px;
  padding: 7px 16px 7px 12px;
  background: var(--tinta);
  border-radius: 999px;
  box-shadow: 0 3px 0 #0C1226;
  color: #fff; font-size: .82rem; font-weight: 500;
}
.etapas__habilidad::before {
  content: ""; display: block;
  width: 12px; height: 12px; margin: 0;
  border-radius: 3px; background: var(--cielo); box-shadow: none;
}
.etapas__chips { gap: 8px; }
.chip--enlace {
  gap: 8px;
  min-height: 42px; padding: 0 14px 0 12px; font-size: .95rem;
  text-decoration: none;
  border: 2px solid var(--tinta);
  box-shadow: 0 3px 0 rgba(31, 42, 68, .22);
  transition: background-color .2s, transform .25s var(--curva), box-shadow .25s var(--curva);
}
.chip--enlace::before {
  content: ""; width: 12px; height: 12px; flex-shrink: 0;
  background: var(--c, var(--coral));
}
.forma-coral { --c: var(--coral); }
.forma-cielo { --c: var(--cielo); }
.forma-menta { --c: var(--menta); }
.forma-lila { --c: var(--lila); }
.forma-tinta { --c: var(--tinta); }
.forma-coral::before, .forma-tinta::before { border-radius: 50%; }
.forma-cielo::before { border-radius: 3px; }
.forma-menta::before { clip-path: polygon(50% 0, 100% 100%, 0 100%); }
.forma-lila::before { clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%); }
.chip--enlace:hover { background: var(--sol); transform: translateY(-2px); box-shadow: 0 5px 0 rgba(31, 42, 68, .22); }
.chip--enlace:focus-visible { outline: 3px solid var(--tinta); outline-offset: 3px; }

.edades {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 170px));
  justify-content: center;
  gap: 26px 22px;
}
.edad {
  display: flex; flex-direction: column; align-items: center;
  container-type: inline-size;
  padding-top: 24px; /* sitio para los salientes del bloque */
  text-decoration: none; color: var(--tinta);
}
.edad__bloque {
  --c: var(--coral);
  position: relative;
  display: grid; place-items: center;
  width: 100%; aspect-ratio: 1 / 1;
  border-radius: 26px;
  background: var(--c);
  box-shadow: 0 10px 0 rgba(31, 42, 68, .14);
  transition: transform .35s var(--curva);
}
.edad__bloque::before, .edad__bloque::after {
  content: "";
  position: absolute; top: -13%;
  width: 24%; height: 20%;
  border-radius: 999px 999px 4px 4px;
  background: var(--c);
}
.edad__bloque::before { left: 20%; }
.edad__bloque::after { right: 20%; }
.edad__bloque--coral { --c: var(--coral); }
.edad__bloque--sol { --c: var(--sol); }
.edad__bloque--menta { --c: var(--menta); }
.edad__bloque--lila { --c: var(--lila); }
.edad__bloque--cielo { --c: var(--cielo); }
.edad__bloque--tinta { --c: var(--tinta); color: var(--sol); }
.edad__num {
  font-family: var(--f-titulo); font-weight: 800; letter-spacing: -0.03em;
  font-size: min(92px, 65cqi); line-height: 1;
}
.edad__texto { font-weight: 700; font-size: 17px; margin-top: 18px; }
.edad:hover .edad__bloque { transform: translateY(-8px) rotate(-2deg); }

/* ---------- 4. Entradas ---------- */
.entradas {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 24px;
}
.espacio-imagen {
  display: grid; place-items: center;
  background:
    repeating-linear-gradient(-45deg, var(--cielo-t) 0 14px, #fff 14px 28px);
  color: var(--texto-2);
}
.espacio-imagen .dato {
  background: #fff; padding: 6px 12px; border-radius: 999px; border: 1.5px solid var(--borde);
}
.espacio-imagen--16x9 { aspect-ratio: 16 / 9; border-radius: calc(var(--radio) - 6px); }
.espacio-imagen--sol { background: repeating-linear-gradient(-45deg, var(--sol-t) 0 10px, #fff 10px 20px); }
.espacio-imagen--menta { background: repeating-linear-gradient(-45deg, var(--menta-t) 0 10px, #fff 10px 20px); }
.espacio-imagen--lila { background: repeating-linear-gradient(-45deg, var(--lila-t) 0 10px, #fff 10px 20px); }
.espacio-imagen--mini { width: 128px; aspect-ratio: 1; border-radius: 16px; flex-shrink: 0; }

.entrada-destacada { padding: 12px; display: flex; flex-direction: column; }
.entrada-destacada__cuerpo { padding: 22px 16px 18px; }
.entrada-destacada h3 { font-size: clamp(1.6rem, 2.4vw, 2.1rem); margin: 14px 0 10px; }
.entrada-destacada p { color: var(--texto-2); }

.entradas__lista { display: grid; gap: 16px; }
.entrada-h {
  display: flex; align-items: center; gap: 20px;
  padding: 12px 20px 12px 12px;
}
.entrada-h h3 { font-size: 1.25rem; margin: 10px 0 4px; }
.entrada-h p { color: var(--texto-2); font-size: .95rem; }

.enlace-estirado { text-decoration: none; }
.enlace-estirado::after { content: ""; position: absolute; inset: 0; border-radius: inherit; }
.enlace-estirado:focus-visible { outline: none; }
.enlace-estirado:focus-visible::after { outline: 3px solid var(--tinta); outline-offset: 3px; border-radius: var(--radio); }

/* ---------- 5. Situaciones ---------- */
.situaciones {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 56px;
  align-items: center;
}
.situaciones h2 { margin-bottom: 16px; }
.situaciones .seccion__intro { margin-bottom: 30px; }
.puntos { display: grid; gap: 18px; margin-bottom: 36px; }
.puntos li { display: flex; align-items: center; gap: 18px; }
.puntos .bloque { margin-top: 6px; }
.puntos strong { display: block; font-family: var(--f-titulo); font-size: 1.2rem; letter-spacing: -0.02em; }
.puntos span:not(.bloque) { color: var(--texto-2); font-size: .98rem; }

.ficha-pila { position: relative; padding: 28px 20px; }
.ficha-pila__fondo {
  position: absolute; inset: 40px 30px;
  border-radius: 26px;
  border: 2px solid var(--tinta);
}
.ficha-pila__fondo--sol { background: var(--sol); transform: rotate(5deg) translate(14px, 6px); }
.ficha-pila__fondo--menta { background: var(--menta); transform: rotate(-7deg) translate(-12px, 10px); }
.ficha {
  position: relative;
  background: #fff;
  border: 2px solid var(--tinta);
  border-radius: 24px;
  padding: 26px;
  transform: rotate(-2.5deg);
  box-shadow: 0 8px 0 var(--sombra-bloque);
}
.ficha__cabeza {
  display: flex; justify-content: space-between; gap: 10px;
  padding-bottom: 14px; margin-bottom: 16px;
  border-bottom: 2px dashed var(--borde);
  color: var(--texto-2);
}
.ficha h3 { font-size: 1.6rem; margin-bottom: 18px; }
.ficha__campos { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin: 0 0 18px; }
.ficha__campos dt {
  font-family: var(--f-mono); font-size: .72rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: .1em; color: var(--texto-2);
  margin-bottom: 4px;
}
.ficha__campos dd { margin: 0; font-weight: 600; line-height: 1.4; }
.ficha__ancho { grid-column: 1 / -1; }
.ficha__versiones { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.ficha__versiones > div { border-radius: 16px; padding: 14px 16px; }
.ficha__versiones .dato { font-size: .72rem; }
.ficha__versiones p { font-size: .95rem; margin-top: 4px; }

/* ---------- 6. Recursos ---------- */
.recursos {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}
.recurso { padding: 12px; display: flex; flex-direction: column; }
.hoja {
  display: grid; place-items: center;
  aspect-ratio: 5 / 4;
  border-radius: 16px;
  overflow: hidden;
  padding-top: 16px;
}
.hoja__papel {
  position: relative;
  width: 62%; aspect-ratio: 3 / 4;
  background: #fff;
  border-radius: 6px;
  box-shadow: 0 6px 0 var(--sombra-bloque), 0 0 0 1.5px rgba(31, 42, 68, .1);
  padding: 12%;
  transition: transform .3s var(--curva);
  transform: rotate(-3deg) translateY(8%);
}
.hoja__papel::after {
  content: ""; position: absolute; top: 0; right: 0;
  width: 18%; aspect-ratio: 1;
  background: linear-gradient(225deg, var(--fondo) 50%, #D9E2F2 50%);
  border-radius: 0 6px 0 6px;
}
.recurso:hover .hoja__papel { transform: rotate(0deg) translateY(4%); }

.prev-tarjetas { display: grid; grid-template-columns: 1fr 1fr; gap: 10%; align-content: center; }
.prev-tarjetas i { aspect-ratio: 3 / 4; border-radius: 6px; border: 2px solid var(--tinta); display: grid; place-items: center; }
.prev-tarjetas i::before { content: ""; width: 45%; aspect-ratio: 1; background: var(--coral); border-radius: 50%; }
.prev-tarjetas i:nth-child(2)::before { background: var(--sol); border-radius: 3px; }
.prev-tarjetas i:nth-child(3)::before { background: var(--menta); clip-path: polygon(50% 0, 100% 100%, 0 100%); border-radius: 0; }
.prev-tarjetas i:nth-child(4)::before { background: var(--cielo); clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%); border-radius: 0; }

.prev-tablero { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8%; align-content: center; }
.prev-tablero i { aspect-ratio: 1; border-radius: 50%; border: 2px solid var(--tinta); }
.prev-tablero i:nth-child(1) { background: var(--coral); }
.prev-tablero i:nth-child(5) { background: var(--sol); }
.prev-tablero i:nth-child(9) { background: var(--menta); border-radius: 4px; }

.prev-registro { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; align-content: start; }
.prev-registro b { grid-column: 1 / -1; height: 10px; width: 70%; background: var(--tinta); border-radius: 4px; margin-bottom: 8px; }
.prev-registro i { height: 14px; border: 1.5px solid #B8C6E0; border-radius: 3px; }
.prev-registro i:nth-of-type(-n+3) { background: var(--cielo-t); border-color: var(--cielo); }

.prev-guia { display: grid; gap: 7px; align-content: start; }
.prev-guia b { height: 10px; width: 75%; background: var(--tinta); border-radius: 4px; margin-bottom: 4px; }
.prev-guia i { height: 5px; border-radius: 3px; background: #CBD6EA; }
.prev-guia i:nth-of-type(3) { width: 70%; }
.prev-guia u { height: 26px; border-radius: 6px; background: var(--menta); margin: 4px 0; }

.recurso__cuerpo { padding: 18px 10px 10px; display: flex; flex-direction: column; flex: 1; }
.recurso h3 { font-size: 1.25rem; margin: 12px 0 18px; }
.recurso .btn { margin-top: auto; align-self: flex-start; }

/* ---------- 7. Orientaciones ---------- */
.orientaciones {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  gap: 56px;
}
.orientaciones h2 { margin-bottom: 16px; }
.orientaciones .seccion__intro { color: var(--claro-sobre-tinta); }
.orientaciones__lista li {
  display: grid;
  grid-template-columns: 48px 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 22px 0;
  border-top: 1.5px solid rgba(255, 255, 255, .14);
}
.orientaciones__lista li:last-child { border-bottom: 1.5px solid rgba(255, 255, 255, .14); }
.orientaciones__lista h3 { font-size: 1.3rem; margin-bottom: 4px; }
.orientaciones__lista p { color: var(--claro-sobre-tinta); font-size: .98rem; }
.orientaciones__lista .dato { color: var(--claro-sobre-tinta); }

.forma { width: 40px; height: 40px; justify-self: center; }
.forma--circulo { background: var(--coral); border-radius: 50%; }
.forma--cuadrado { background: var(--cielo); border-radius: 8px; width: 36px; height: 36px; }
.forma--triangulo { background: var(--sol); clip-path: polygon(50% 4%, 100% 92%, 0 92%); }
.forma--rombo { background: var(--menta); clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%); }
.forma--aro { border: 9px solid var(--lila); border-radius: 50%; }

/* ---------- 8. Grupo ---------- */
.grupo {
  display: flex; align-items: center; gap: 40px;
  padding: 40px 48px;
  border-radius: 32px;
}
.grupo:hover { transform: none; box-shadow: none; border-color: var(--borde); }
.grupo__fotos { display: flex; flex-shrink: 0; }
.foto {
  display: grid; place-items: center;
  width: 108px; height: 108px;
  border-radius: 50%;
  background: repeating-linear-gradient(-45deg, #EEF3FB 0 8px, #fff 8px 16px);
  border: 5px solid var(--c);
  box-shadow: 0 0 0 4px #fff;
  color: var(--texto-2);
}
.foto + .foto { margin-left: -26px; }
.foto .dato { font-size: .68rem; }
.foto--real { overflow: hidden; background: #fff; }
.foto--real img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }
.foto--coral { --c: var(--coral); }
.foto--cielo { --c: var(--cielo); }
.foto--menta { --c: var(--menta); }
.grupo__texto { flex: 1; }
.grupo__texto .etiqueta { margin-bottom: 8px; }
.grupo__texto h2 { margin-bottom: 8px; }
.grupo__texto p:last-child { color: var(--texto-2); }

/* ---------- 9. Pie ---------- */
.pie {
  margin-top: 112px;
  background: var(--tinta-pie);
  color: #fff;
  padding: 72px 0 32px;
}
.pie > .contenedor { max-width: min(1640px, 100%); padding-inline: clamp(20px, 5vw, 80px); }
.pie__columnas {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 40px clamp(40px, 5vw, 96px);
  padding-bottom: 48px;
  border-bottom: 1.5px solid rgba(255, 255, 255, .12);
}
.pie__marca p { color: var(--claro-sobre-tinta); margin-top: 20px; max-width: 30em; }
.pie h2 { color: var(--claro-sobre-tinta); margin-bottom: 14px; font-size: .78rem; }
.pie ul { display: grid; gap: 2px; }
.pie a {
  display: inline-flex; align-items: center; min-height: 36px;
  text-decoration: none; font-weight: 500;
}
.pie a:hover { color: var(--sol); text-decoration: underline; text-underline-offset: 4px; }
.pie__final {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px 24px;
  padding-top: 24px;
  color: var(--claro-sobre-tinta);
  font-size: .92rem;
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1279px) {
  .cabecera__centro { display: none; }
  .cabecera__acciones { display: flex; }
  .logo--programa { margin-left: auto; }
  .cabecera__fila { gap: 16px; }
  .logo img { height: 92px; }
  .logo--pie img { height: 96px; }
  .cabecera { position: relative; }
}
@media (min-width: 1280px) {
  .panel-movil { display: none; }
  /* Franja blanca de ancho completo con patrón de símbolos matemáticos muy suave. */
  .cabecera {
    margin-bottom: 26px; padding: 16px 0 18px; background: #FBFDFF url("data:image/svg+xml,%3Csvg xmlns=%22http://www.w3.org/2000/svg%22 width=%22400%22 height=%22116%22 viewBox=%220 0 400 116%22%3E%3Ctext x=%2218%22 y=%2228%22 transform=%22rotate%28-8 18 28%29%22 font-family=%22Figtree%2CArial%2Csans-serif%22 font-weight=%22800%22 font-size=%2226%22 fill=%22%235BB8F0%22 fill-opacity=%22.15%22%3E1%3C/text%3E%3Ctext x=%2258%22 y=%2270%22 transform=%22rotate%2810 58 70%29%22 font-family=%22Figtree%2CArial%2Csans-serif%22 font-weight=%22800%22 font-size=%2230%22 fill=%22%23FF7A6B%22 fill-opacity=%22.15%22%3E%2B%3C/text%3E%3Ctext x=%2296%22 y=%2236%22 transform=%22rotate%28-12 96 36%29%22 font-family=%22Figtree%2CArial%2Csans-serif%22 font-weight=%22800%22 font-size=%2224%22 fill=%22%23FFB400%22 fill-opacity=%22.15%22%3E7%3C/text%3E%3Ctext x=%22140%22 y=%2286%22 transform=%22rotate%286 140 86%29%22 font-family=%22Figtree%2CArial%2Csans-serif%22 font-weight=%22800%22 font-size=%2228%22 fill=%22%233FBF8C%22 fill-opacity=%22.15%22%3E=%3C/text%3E%3Ctext x=%22176%22 y=%2234%22 transform=%22rotate%28-6 176 34%29%22 font-family=%22Figtree%2CArial%2Csans-serif%22 font-weight=%22800%22 font-size=%2230%22 fill=%22%239A86E8%22 fill-opacity=%22.15%22%3E%CF%80%3C/text%3E%3Ctext x=%22214%22 y=%2292%22 transform=%22rotate%2812 214 92%29%22 font-family=%22Figtree%2CArial%2Csans-serif%22 font-weight=%22800%22 font-size=%2222%22 fill=%22%235BB8F0%22 fill-opacity=%22.15%22%3E4%3C/text%3E%3Ctext x=%22250%22 y=%2240%22 transform=%22rotate%28-10 250 40%29%22 font-family=%22Figtree%2CArial%2Csans-serif%22 font-weight=%22800%22 font-size=%2226%22 fill=%22%23FF7A6B%22 fill-opacity=%22.15%22%3E%E2%96%B3%3C/text%3E%3Ctext x=%22292%22 y=%2284%22 transform=%22rotate%288 292 84%29%22 font-family=%22Figtree%2CArial%2Csans-serif%22 font-weight=%22800%22 font-size=%2232%22 fill=%22%23FFB400%22 fill-opacity=%22.15%22%3E%C3%97%3C/text%3E%3Ctext x=%22330%22 y=%2230%22 transform=%22rotate%28-5 330 30%29%22 font-family=%22Figtree%2CArial%2Csans-serif%22 font-weight=%22800%22 font-size=%2224%22 fill=%22%233FBF8C%22 fill-opacity=%22.15%22%3E8%3C/text%3E%3Ctext x=%22368%22 y=%2278%22 transform=%22rotate%2810 368 78%29%22 font-family=%22Figtree%2CArial%2Csans-serif%22 font-weight=%22800%22 font-size=%2224%22 fill=%22%239A86E8%22 fill-opacity=%22.15%22%3E%25%3C/text%3E%3Ctext x=%2236%22 y=%22104%22 transform=%22rotate%28-9 36 104%29%22 font-family=%22Figtree%2CArial%2Csans-serif%22 font-weight=%22800%22 font-size=%2220%22 fill=%22%23FF7A6B%22 fill-opacity=%22.15%22%3E2%3C/text%3E%3Ctext x=%22120%22 y=%2224%22 transform=%22rotate%287 120 24%29%22 font-family=%22Figtree%2CArial%2Csans-serif%22 font-weight=%22800%22 font-size=%2230%22 fill=%22%235BB8F0%22 fill-opacity=%22.15%22%3E%E2%88%92%3C/text%3E%3Ctext x=%22200%22 y=%2264%22 transform=%22rotate%280 200 64%29%22 font-family=%22Figtree%2CArial%2Csans-serif%22 font-weight=%22800%22 font-size=%2222%22 fill=%22%23FFB400%22 fill-opacity=%22.15%22%3E%E2%97%8B%3C/text%3E%3Ctext x=%22270%22 y=%22108%22 transform=%22rotate%28-11 270 108%29%22 font-family=%22Figtree%2CArial%2Csans-serif%22 font-weight=%22800%22 font-size=%2222%22 fill=%22%239A86E8%22 fill-opacity=%22.15%22%3E9%3C/text%3E%3Ctext x=%22345%22 y=%22106%22 transform=%22rotate%285 345 106%29%22 font-family=%22Figtree%2CArial%2Csans-serif%22 font-weight=%22800%22 font-size=%2226%22 fill=%22%233FBF8C%22 fill-opacity=%22.15%22%3E%C3%B7%3C/text%3E%3Ctext x=%2284%22 y=%2296%22 transform=%22rotate%289 84 96%29%22 font-family=%22Figtree%2CArial%2Csans-serif%22 font-weight=%22800%22 font-size=%2222%22 fill=%22%239A86E8%22 fill-opacity=%22.15%22%3E%E2%96%A1%3C/text%3E%3Ctext x=%22160%22 y=%22100%22 transform=%22rotate%28-7 160 100%29%22 font-family=%22Figtree%2CArial%2Csans-serif%22 font-weight=%22800%22 font-size=%2224%22 fill=%22%23FFB400%22 fill-opacity=%22.15%22%3E3%3C/text%3E%3Ctext x=%22392%22 y=%2252%22 transform=%22rotate%2812 392 52%29%22 font-family=%22Figtree%2CArial%2Csans-serif%22 font-weight=%22800%22 font-size=%2220%22 fill=%22%235BB8F0%22 fill-opacity=%22.15%22%3E5%3C/text%3E%3C/svg%3E") 0 0 / 400px 116px repeat;
    border-bottom: 3px solid var(--tinta); box-shadow: 0 8px 0 rgba(31, 42, 68, .08), 0 14px 30px rgba(31, 42, 68, .07);
  }
  /* Fila 1: logo · menú (una línea) · escudo. Fila 2: buscador centrado. */
  .cabecera__fila.contenedor { max-width: 1464px; display: grid; grid-template-columns: auto minmax(0, 1fr) auto; grid-template-areas: "uni menu esc" "bus bus bus"; align-items: center; gap: 0 16px; padding-block: 0; }
  .cabecera__centro { display: contents; }
  .logo--uni { grid-area: uni; }
  .logo--programa { grid-area: esc; }
  .menu { grid-area: menu; justify-self: center; }
  .menu > ul { flex-wrap: nowrap; gap: 2px; padding: 3px; background: rgba(255, 255, 255, .82); border: 1px solid rgba(225, 233, 247, .9); border-radius: 999px; }
  .buscador { grid-area: bus; justify-self: center; width: 100%; max-width: 560px; margin-top: -6px; }
}
@media (min-width: 1400px) {
  .cabecera__fila.contenedor { grid-template-columns: auto minmax(0, 1fr) auto auto; grid-template-areas: "uni menu bus esc"; }
  .buscador { width: 190px; max-width: none; margin-top: 0; }
  .cabecera .buscador input { padding: 0 8px 0 42px; font-size: .9rem; }
  .cabecera .buscador__icono { left: 14px; }
  /* Hay espacio de sobra: el menú crece un poco. */
  .menu a { padding: 0 9px; font-size: 1.05rem; }
}
@media (min-width: 1700px) {
  .cabecera__fila.contenedor { max-width: 1624px; }
  .menu a { padding: 0 10px; font-size: 1.1rem; }
  .cabecera .buscador { width: 230px; }
  .cabecera .buscador input { font-size: 1rem; }
}

@media (max-width: 1080px) {
  .nociones, .recursos { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .etapas { grid-template-columns: 1fr; }
  .entradas { grid-template-columns: 1fr; }
  .situaciones, .orientaciones { grid-template-columns: 1fr; gap: 44px; }
  .bloque-seccion { padding: 56px 40px; }
  .portada { grid-template-columns: 1fr; }
  .ilustracion__lienzo { max-width: 460px; }
  .pie__columnas { grid-template-columns: repeat(3, 1fr); }
  .pie__marca { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  :root { --lateral: 20px; --radio-seccion: 32px; }
  body { font-size: 1rem; }
  .cabecera__fila { padding-block: 11px; gap: 12px; }
  .logo img { height: 72px; }
  .logo--pie img { height: 80px; }

  .portada { padding-top: 28px; gap: 28px; }
  .portada__sub { font-size: 1.08rem; }
  .portada__botones .btn { flex: 1 1 100%; }
  .ilustracion__lienzo { max-width: 340px; }
  .il-aro { border-width: 12px; }
  .bloque--sm { --t: 58px; border-radius: 20px; }
  .il-suma { gap: 6px; }
  .il-suma__op { font-size: 1.6rem; }

  main > section + section { margin-top: 80px; }
  .portada + .seccion { margin-top: 16px; }
  .seccion__encabezado { margin-bottom: 28px; row-gap: 20px; }
  .encabezado-nociones { grid-template-columns: 1fr; grid-template-areas: "etiqueta" "titulo" "apoyo" "boton"; margin-bottom: 28px; }
  .boton-globo { justify-self: start; margin-top: 20px; }

  .nociones { gap: 12px; }
  .tarjeta-nocion { padding: 16px; }
  .tarjeta-nocion__icono { width: 52px; height: 52px; border-radius: 14px; margin-bottom: 16px; }
  .tarjeta-nocion__icono svg { width: 32px; height: 32px; }
  .tarjeta-nocion__formas { height: 52px; margin-bottom: 16px; grid-template-columns: repeat(2, 20px); }
  .tarjeta-nocion__formas i { width: 20px; height: 20px; }
  .tarjeta-nocion h3 { font-size: 1.12rem; }
  .tarjeta-nocion p { font-size: .9rem; margin-bottom: 16px; }
  .tarjeta-nocion__pie .dato { font-size: .66rem; letter-spacing: .06em; }

  .bloque-seccion { padding: 44px 20px; }
  .etapas { padding: 22px; border-radius: 32px; }
  .edades { grid-template-columns: repeat(2, minmax(0, 170px)); }
  .chip { font-size: .8rem; padding: 0 10px; }

  .entrada-h { gap: 14px; padding: 10px 14px 10px 10px; }
  .espacio-imagen--mini { width: 88px; }
  .entrada-h h3 { font-size: 1.1rem; }

  .ficha-pila { padding: 16px 6px; }
  .ficha { padding: 20px 18px; transform: rotate(-1.5deg); }
  .ficha-pila__fondo { inset: 30px 16px; }
  .ficha__campos { grid-template-columns: 1fr 1fr; }
  .ficha__campos > div:nth-child(3) { grid-column: 1 / -1; }

  .recursos { gap: 12px; }
  .recurso { padding: 8px; }
  .recurso__cuerpo { padding: 14px 6px 6px; }
  .recurso h3 { font-size: 1.05rem; }
  .recurso .btn { align-self: stretch; padding: 0 12px; }
  .recurso .meta .dato { font-size: .66rem; }

  .orientaciones__lista li { grid-template-columns: 40px 1fr; gap: 16px; }
  .orientaciones__lista .dato { display: none; }
  .forma { width: 32px; height: 32px; }
  .forma--cuadrado { width: 30px; height: 30px; }
  .forma--aro { border-width: 7px; }

  .grupo { flex-direction: column; align-items: flex-start; padding: 32px 22px; gap: 24px; }
  .foto { width: 84px; height: 84px; }
  .foto + .foto { margin-left: -20px; }
  .grupo .btn { width: 100%; }

  .pie { margin-top: 80px; padding-top: 56px; }
  .pie__columnas { grid-template-columns: 1fr 1fr; gap: 32px 20px; }
  .pie a { min-height: 44px; }
  .pie__final { flex-direction: column; }
}

@media (max-width: 380px) {
  .recursos { grid-template-columns: 1fr; }
}

/* =========================================================
   Movimiento reducido: sin animaciones ni desplazamientos
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
  .tarjeta:hover, .btn:hover, .btn:active,
  .edad:hover .edad__bloque, .tarjeta:hover .flecha,
  .tarjeta-nocion:hover .tarjeta-nocion__icono svg,
  .tarjeta-nocion--oscura:hover .tarjeta-nocion__formas,
  .enlace-flecha:hover svg { transform: none; }
  .chip--enlace:hover { transform: none; }
  .boton-menta:hover, .boton-menta:active, .boton-menta:hover .boton-menta__flecha { transform: none; }
  .boton-globo:hover, .boton-globo:active, .boton-globo:hover .boton-globo__flecha { transform: none; }
  .recurso:hover .hoja__papel { transform: rotate(-3deg) translateY(8%); }
}