/* =====================================================================
   Recursos Educativos YES EMS - sistema de diseno
   ===================================================================== */

:root {
  /* Marca YES EMS: azul marino y dorado tomados del logotipo del leon */
  --marca-900: #011425;
  --marca-800: #02243f;   /* azul del logotipo */
  --marca-700: #06345c;
  --marca-600: #0a4a80;
  --marca-500: #12639f;
  --marca-400: #4c8fc4;
  --marca-200: #c3dcef;
  --marca-50:  #f0f6fb;
  --acento:     #d09820;  /* dorado del logotipo */
  --acento-osc: #a1740f;
  --acento-cla: #f5e2b4;

  /* Neutros claros */
  --tinta:   #02243f;
  --texto:   #22303f;
  --suave:   #5a6b7c;
  --tenue:   #8b9aa8;
  --linea:   #e2e9f0;
  --lienzo:  #f6f9fc;
  --panel:   #ffffff;
  --panel-2: #fafcfe;

  /* Estados */
  --exito: #059669;
  --exito-bg: #ecfdf5;
  --alerta: #d97706;
  --alerta-bg: #fffbeb;
  --error: #dc2626;
  --error-bg: #fef2f2;
  --info: #2563eb;
  --info-bg: #eff6ff;

  /* Formas */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 18px;
  --r-xl: 26px;
  --sombra-1: 0 1px 2px rgba(2, 36, 63, .05), 0 1px 3px rgba(2, 36, 63, .04);
  --sombra-2: 0 4px 12px rgba(2, 36, 63, .07), 0 2px 4px rgba(2, 36, 63, .04);
  --sombra-3: 0 18px 40px -12px rgba(2, 36, 63, .16), 0 4px 12px rgba(2, 36, 63, .06);
  --sombra-marca: 0 12px 26px -12px rgba(2, 36, 63, .45);
  --sombra-oro: 0 12px 26px -12px rgba(208, 152, 32, .5);

  --ancho: 1240px;
  --header-h: 74px;
  --transicion: 180ms cubic-bezier(.4, 0, .2, 1);

  /* La interfaz se mantiene siempre clara, acorde a la identidad de marca. */
  color-scheme: light;
}

/* ---------------------------------------------------------------- base */

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

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

body {
  margin: 0;
  font-family: 'Segoe UI', system-ui, -apple-system, 'Inter', Roboto, Arial, sans-serif;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--texto);
  background: var(--lienzo);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { margin: 0 0 .5rem; color: var(--tinta); line-height: 1.2; font-weight: 700; letter-spacing: -.02em; }
h1 { font-size: clamp(2rem, 4.5vw, 3.1rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.15rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1rem; }
a { color: var(--marca-600); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
hr { border: 0; border-top: 1px solid var(--linea); margin: 1.75rem 0; }

.contenedor { width: 100%; max-width: var(--ancho); margin: 0 auto; padding: 0 1.25rem; }
.centrado { text-align: center; }
.oculto { display: none !important; }
.solo-lectores {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

:focus-visible { outline: 3px solid var(--marca-400); outline-offset: 2px; border-radius: 4px; }

/* -------------------------------------------------------------- header */

.encabezado {
  position: sticky; top: 0; z-index: 60;
  height: var(--header-h);
  display: flex; align-items: center;
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--linea);
}
.encabezado .contenedor { display: flex; align-items: center; gap: 1.5rem; }

.logo { display: flex; align-items: center; gap: .7rem; font-weight: 800; color: var(--tinta); letter-spacing: -.03em; }
.logo:hover { text-decoration: none; }
.logo-marca { width: 46px; height: 46px; flex: none; object-fit: contain; }
.logo-texto { display: flex; flex-direction: column; line-height: 1.08; }
.logo-texto small {
  font-size: .62rem; font-weight: 700; color: var(--acento-osc);
  letter-spacing: .1em; text-transform: uppercase;
}
.logo-texto span { font-size: 1.08rem; }

.nav { display: flex; align-items: center; gap: .35rem; margin-left: auto; }
.nav a {
  padding: .5rem .8rem; border-radius: var(--r-sm); color: var(--suave);
  font-weight: 600; font-size: .92rem; transition: var(--transicion);
}
.nav a:hover { background: var(--marca-50); color: var(--marca-700); text-decoration: none; }
.nav a.activo { color: var(--marca-700); background: var(--marca-50); }

.menu-boton { display: none; background: none; border: 0; padding: .4rem; cursor: pointer; color: var(--texto); }

@media (max-width: 900px) {
  .menu-boton { display: block; margin-left: auto; }
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0; margin: 0;
    flex-direction: column; align-items: stretch; gap: .15rem;
    background: var(--panel); border-bottom: 1px solid var(--linea);
    padding: .75rem 1.25rem 1.25rem; box-shadow: var(--sombra-3);
    max-height: calc(100vh - var(--header-h)); overflow-y: auto;
  }
  .nav:not(.abierto) { display: none; }
  .nav .boton { justify-content: center; }
}

/* ------------------------------------------------------------- botones */

.boton {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .62rem 1.15rem; border-radius: var(--r-sm); border: 1px solid transparent;
  font: inherit; font-weight: 650; font-size: .93rem; cursor: pointer;
  transition: var(--transicion); white-space: nowrap; text-decoration: none;
}
.boton:hover { text-decoration: none; }
.boton:disabled { opacity: .55; cursor: not-allowed; }
.boton svg { width: 17px; height: 17px; flex: none; }

.boton-primario {
  background: linear-gradient(135deg, var(--marca-600), var(--marca-800));
  color: #fff; box-shadow: var(--sombra-marca);
}
.boton-primario:hover:not(:disabled) { transform: translateY(-1px); filter: brightness(1.08); }
.boton-primario:active { transform: translateY(0); }

.boton-secundario { background: var(--panel); color: var(--texto); border-color: var(--linea); box-shadow: var(--sombra-1); }
.boton-secundario:hover:not(:disabled) { border-color: var(--marca-400); color: var(--marca-700); }

.boton-fantasma { background: transparent; color: var(--suave); }
.boton-fantasma:hover:not(:disabled) { background: var(--marca-50); color: var(--marca-700); }

.boton-acento {
  background: linear-gradient(135deg, var(--acento), var(--acento-osc));
  color: #fff; box-shadow: var(--sombra-oro);
}
/* Boton oficial de Mercado Pago */
.boton-mp { background: #009ee3; color: #fff; box-shadow: 0 12px 26px -12px rgba(0, 158, 227, .65); }
.boton-mp:hover:not(:disabled) { background: #008fcc; transform: translateY(-1px); }
.boton-acento:hover:not(:disabled) { filter: brightness(1.07); transform: translateY(-1px); }

.boton-peligro { background: var(--error); color: #fff; }
.boton-peligro:hover:not(:disabled) { filter: brightness(1.08); }

.boton-bloque { width: 100%; }
.boton-sm { padding: .38rem .7rem; font-size: .84rem; border-radius: 7px; }
.boton-lg { padding: .85rem 1.6rem; font-size: 1rem; }

/* ------------------------------------------------------- tarjetas base */

.tarjeta {
  background: var(--panel); border: 1px solid var(--linea);
  border-radius: var(--r-lg); box-shadow: var(--sombra-1);
}
.tarjeta-p { padding: 1.5rem; }

.etiqueta {
  display: inline-flex; align-items: center; gap: .35rem;
  padding: .2rem .6rem; border-radius: 999px;
  font-size: .74rem; font-weight: 700; letter-spacing: .01em;
  background: var(--marca-50); color: var(--marca-700);
  border: 1px solid color-mix(in srgb, var(--marca-400) 30%, transparent);
}
.etiqueta-exito  { background: var(--exito-bg);  color: var(--exito);  border-color: color-mix(in srgb, var(--exito) 25%, transparent); }
.etiqueta-alerta { background: var(--alerta-bg); color: var(--alerta); border-color: color-mix(in srgb, var(--alerta) 25%, transparent); }
.etiqueta-error  { background: var(--error-bg);  color: var(--error);  border-color: color-mix(in srgb, var(--error) 25%, transparent); }
.etiqueta-info   { background: var(--info-bg);   color: var(--info);   border-color: color-mix(in srgb, var(--info) 25%, transparent); }
.etiqueta-neutra { background: var(--lienzo);    color: var(--suave);  border-color: var(--linea); }

/* ------------------------------------------------------------ hero */

.hero { position: relative; overflow: hidden; padding: clamp(3rem, 7vw, 5.5rem) 0 clamp(2.5rem, 5vw, 4rem); }
.hero::before {
  content: ''; position: absolute; inset: -30% -20% auto -20%; height: 120%;
  background:
    radial-gradient(58% 48% at 18% 12%, color-mix(in srgb, var(--marca-500) 22%, transparent) 0%, transparent 62%),
    radial-gradient(45% 42% at 88% 8%, color-mix(in srgb, var(--acento) 18%, transparent) 0%, transparent 60%);
  pointer-events: none;
}
.hero > * { position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 3.5rem; align-items: center; }
@media (max-width: 980px) { .hero-grid { grid-template-columns: 1fr; gap: 2.5rem; } }

.hero h1 { margin-bottom: 1rem; }
.hero h1 em {
  font-style: normal;
  background: linear-gradient(120deg, var(--marca-600), var(--marca-400) 55%, var(--acento));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub { font-size: 1.12rem; color: var(--suave); max-width: 56ch; margin-bottom: 1.75rem; }
.hero-acciones { display: flex; flex-wrap: wrap; gap: .75rem; margin-bottom: 2rem; }

.cifras { display: flex; flex-wrap: wrap; gap: 2.25rem; }
.cifra strong { display: block; font-size: 1.9rem; font-weight: 800; color: var(--tinta); letter-spacing: -.03em; line-height: 1.1; }
.cifra span { font-size: .82rem; color: var(--tenue); font-weight: 600; text-transform: uppercase; letter-spacing: .06em; }

/* Mosaico de portadas del hero */
.mosaico { display: grid; grid-template-columns: repeat(3, 1fr); gap: .85rem; }
.mosaico figure {
  margin: 0; border-radius: var(--r-md); overflow: hidden; background: var(--panel);
  border: 1px solid var(--linea); box-shadow: var(--sombra-2); aspect-ratio: 4 / 3;
  transition: var(--transicion);
}
.mosaico figure:nth-child(3n+2) { transform: translateY(1.4rem); }
.mosaico figure:hover { transform: translateY(-4px) scale(1.02); box-shadow: var(--sombra-3); z-index: 2; }
.mosaico figure:nth-child(3n+2):hover { transform: translateY(1rem) scale(1.02); }
.mosaico img { width: 100%; height: 100%; object-fit: cover; }

/* ------------------------------------------------------------ secciones */

.seccion { padding: clamp(3rem, 6vw, 4.5rem) 0; }
.seccion-clara { background: var(--panel); border-block: 1px solid var(--linea); }
.seccion-cabecera { max-width: 62ch; margin-bottom: 2.5rem; }
.seccion-cabecera.centro { margin-inline: auto; text-align: center; }
.seccion-cabecera p { color: var(--suave); font-size: 1.05rem; margin: 0; }
.super-titulo {
  display: inline-block; font-size: .78rem; font-weight: 800; letter-spacing: .12em;
  text-transform: uppercase; color: var(--marca-600); margin-bottom: .6rem;
}

.rejilla { display: grid; gap: 1.25rem; }
.rejilla-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.rejilla-3 { grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); }
.rejilla-4 { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }

/* ------------------------------------------------- tarjeta de recurso */

.recurso {
  display: flex; flex-direction: column; overflow: hidden;
  background: var(--panel); border: 1px solid var(--linea);
  border-radius: var(--r-lg); box-shadow: var(--sombra-1);
  transition: var(--transicion); position: relative;
}
.recurso:hover { transform: translateY(-3px); box-shadow: var(--sombra-3); border-color: var(--marca-200); }

.recurso-portada { position: relative; aspect-ratio: 16 / 10; background: var(--lienzo); overflow: hidden; }
.recurso-portada img { width: 100%; height: 100%; object-fit: cover; transition: transform 400ms ease; }
.recurso:hover .recurso-portada img { transform: scale(1.045); }
.recurso-portada .sin-imagen {
  width: 100%; height: 100%; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--marca-50), var(--lienzo));
  color: var(--marca-400);
}
.recurso-portada .sin-imagen svg { width: 46px; height: 46px; }

.recurso-cinta {
  position: absolute; top: .6rem; left: .6rem; display: flex; gap: .35rem; flex-wrap: wrap;
}
.recurso-candado {
  position: absolute; inset: 0; display: grid; place-items: center;
  background: linear-gradient(180deg, rgba(15, 18, 34, .12), rgba(15, 18, 34, .55));
  opacity: 0; transition: var(--transicion);
}
.recurso:hover .recurso-candado { opacity: 1; }
.recurso-candado span {
  display: inline-flex; align-items: center; gap: .4rem; padding: .4rem .8rem;
  background: rgba(255, 255, 255, .95); color: var(--marca-800);
  border-radius: 999px; font-size: .8rem; font-weight: 700;
}

.recurso-cuerpo { padding: 1rem 1.1rem 1.15rem; display: flex; flex-direction: column; gap: .5rem; flex: 1; }
.recurso-asignatura {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .74rem; font-weight: 800; letter-spacing: .04em; text-transform: uppercase;
}
.recurso-asignatura i { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.recurso h3 {
  font-size: 1rem; line-height: 1.35; margin: 0; font-weight: 700;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.recurso h3 a { color: inherit; }
.recurso p {
  margin: 0; font-size: .875rem; color: var(--suave); line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.recurso-pie {
  margin-top: auto; padding-top: .75rem; border-top: 1px solid var(--linea);
  display: flex; align-items: center; gap: .75rem;
  font-size: .78rem; color: var(--tenue); font-weight: 600;
}
.recurso-pie .dato { display: inline-flex; align-items: center; gap: .3rem; }
.recurso-pie svg { width: 14px; height: 14px; }
.recurso-favorito {
  margin-left: auto; background: none; border: 0; cursor: pointer; padding: .2rem;
  color: var(--tenue); border-radius: 50%; transition: var(--transicion); line-height: 0;
}
.recurso-favorito:hover { color: var(--error); background: var(--error-bg); }
.recurso-favorito.activo { color: var(--error); }
.recurso-favorito svg { width: 18px; height: 18px; }

/* ----------------------------------------------------------- filtros */

.disposicion-catalogo { display: grid; grid-template-columns: 268px 1fr; gap: 2rem; align-items: start; }
@media (max-width: 940px) { .disposicion-catalogo { grid-template-columns: 1fr; } }

.panel-filtros { position: sticky; top: calc(var(--header-h) + 1.25rem); }
@media (max-width: 940px) { .panel-filtros { position: static; } }
.filtro-grupo { padding: 1.1rem 1.15rem; border-bottom: 1px solid var(--linea); }
.filtro-grupo:last-child { border-bottom: 0; }
.filtro-grupo h4 {
  font-size: .74rem; text-transform: uppercase; letter-spacing: .09em;
  color: var(--tenue); margin-bottom: .7rem; font-weight: 800;
}
.filtro-lista { display: flex; flex-direction: column; gap: .1rem; max-height: 340px; overflow-y: auto; margin: 0 -.35rem; padding: 0 .35rem; }
.filtro-item {
  display: flex; align-items: center; gap: .5rem; width: 100%;
  padding: .42rem .55rem; border-radius: var(--r-sm); border: 0; background: none;
  font: inherit; font-size: .875rem; color: var(--suave); cursor: pointer;
  text-align: left; transition: var(--transicion);
}
.filtro-item:hover { background: var(--marca-50); color: var(--marca-700); }
.filtro-item.activo { background: var(--marca-50); color: var(--marca-700); font-weight: 700; }
.filtro-item i { width: 9px; height: 9px; border-radius: 50%; flex: none; }
.filtro-item .conteo { margin-left: auto; font-size: .76rem; color: var(--tenue); font-weight: 600; }

.grupo-parcial { margin-bottom: 1.75rem; }
.grupo-parcial-cabecera { display:flex; align-items:center; gap:.75rem; margin:0 0 .8rem; border-bottom:1px solid var(--linea); padding-bottom:.55rem; }
.grupo-parcial-cabecera h3 { margin:0; font-size:1.1rem; color:var(--tinta); }
.grupo-parcial-cabecera span { color:var(--tenue); font-size:.82rem; }

.barra-superior {
  display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; margin-bottom: 1.5rem;
}
.buscador { position: relative; flex: 1; min-width: 240px; }
.buscador svg {
  position: absolute; left: .85rem; top: 50%; transform: translateY(-50%);
  width: 18px; height: 18px; color: var(--tenue); pointer-events: none;
}
.buscador input { padding-left: 2.6rem; }

/* ---------------------------------------------------------- formularios */

label { display: block; font-size: .85rem; font-weight: 650; color: var(--texto); margin-bottom: .35rem; }
.campo { margin-bottom: 1.05rem; }
.campo-ayuda { font-size: .8rem; color: var(--tenue); margin: .35rem 0 0; }

input[type=text], input[type=email], input[type=password], input[type=number],
input[type=search], input[type=date], input[type=tel], select, textarea {
  width: 100%; padding: .62rem .85rem;
  border: 1px solid var(--linea); border-radius: var(--r-sm);
  background: var(--panel); color: var(--texto);
  font: inherit; font-size: .93rem; transition: var(--transicion);
}
textarea { resize: vertical; min-height: 92px; line-height: 1.55; }
input:focus, select:focus, textarea:focus {
  outline: 0; border-color: var(--marca-500);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--marca-500) 16%, transparent);
}
input::placeholder, textarea::placeholder { color: var(--tenue); }
select {
  appearance: none; cursor: pointer; padding-right: 2.2rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238b91a7' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right .7rem center; background-size: 15px;
}
input[type=file] {
  width: 100%; padding: .55rem; border: 1px dashed var(--linea);
  border-radius: var(--r-sm); background: var(--panel-2); font-size: .88rem; cursor: pointer;
}
.casilla { display: flex; align-items: flex-start; gap: .6rem; cursor: pointer; font-weight: 500; font-size: .9rem; }
.casilla input { width: auto; margin-top: .2rem; accent-color: var(--marca-600); }

.fila { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 620px) { .fila { grid-template-columns: 1fr; } }

/* --------------------------------------------------------------- avisos */

.aviso {
  display: flex; gap: .7rem; padding: .85rem 1rem; border-radius: var(--r-md);
  font-size: .9rem; border: 1px solid transparent; margin-bottom: 1.15rem; line-height: 1.5;
}
.aviso svg { width: 18px; height: 18px; flex: none; margin-top: .12rem; }
.aviso-error  { background: var(--error-bg);  color: var(--error);  border-color: color-mix(in srgb, var(--error) 22%, transparent); }
.aviso-exito  { background: var(--exito-bg);  color: var(--exito);  border-color: color-mix(in srgb, var(--exito) 22%, transparent); }
.aviso-info   { background: var(--info-bg);   color: var(--info);   border-color: color-mix(in srgb, var(--info) 22%, transparent); }
.aviso-alerta { background: var(--alerta-bg); color: var(--alerta); border-color: color-mix(in srgb, var(--alerta) 25%, transparent); }

#avisos-flotantes {
  position: fixed; bottom: 1.25rem; right: 1.25rem; z-index: 200;
  display: flex; flex-direction: column; gap: .6rem; max-width: min(380px, calc(100vw - 2.5rem));
}
.flotante {
  display: flex; align-items: flex-start; gap: .65rem;
  padding: .8rem 1rem; border-radius: var(--r-md);
  background: var(--panel); border: 1px solid var(--linea);
  box-shadow: var(--sombra-3); font-size: .9rem; font-weight: 550;
  animation: entra .28s cubic-bezier(.2, .9, .3, 1.2);
}
.flotante.exito { border-left: 4px solid var(--exito); }
.flotante.error { border-left: 4px solid var(--error); }
.flotante.info  { border-left: 4px solid var(--info); }
@keyframes entra { from { opacity: 0; transform: translateY(14px) scale(.97); } to { opacity: 1; transform: none; } }

/* ------------------------------------------------------------- estados */

.vacio { padding: 3.5rem 1.5rem; text-align: center; color: var(--tenue); }
.vacio svg { width: 54px; height: 54px; margin-bottom: 1rem; color: var(--marca-200); }
.vacio h3 { color: var(--suave); font-size: 1.05rem; }

.esqueleto {
  border-radius: var(--r-lg); min-height: 290px;
  background: linear-gradient(100deg, var(--panel) 30%, var(--panel-2) 50%, var(--panel) 70%);
  background-size: 220% 100%; animation: brillo 1.3s linear infinite;
  border: 1px solid var(--linea);
}
@keyframes brillo { to { background-position: -220% 0; } }

.cargador {
  width: 22px; height: 22px; border-radius: 50%;
  border: 2.5px solid var(--marca-200); border-top-color: var(--marca-600);
  animation: gira .7s linear infinite; margin: 2.5rem auto;
}
@keyframes gira { to { transform: rotate(360deg); } }

/* ---------------------------------------------------------------- paginacion */

.paginacion { display: flex; justify-content: center; align-items: center; gap: .4rem; margin-top: 2.25rem; flex-wrap: wrap; }
.paginacion button {
  min-width: 38px; height: 38px; padding: 0 .6rem;
  border: 1px solid var(--linea); background: var(--panel); color: var(--suave);
  border-radius: var(--r-sm); font: inherit; font-weight: 650; font-size: .88rem; cursor: pointer;
  transition: var(--transicion);
}
.paginacion button:hover:not(:disabled) { border-color: var(--marca-400); color: var(--marca-700); }
.paginacion button.activo { background: var(--marca-600); border-color: var(--marca-600); color: #fff; }
.paginacion button:disabled { opacity: .4; cursor: not-allowed; }

/* ------------------------------------------------------------- planes */

.planes { display: grid; grid-template-columns: repeat(auto-fit, minmax(285px, 1fr)); gap: 1.5rem; align-items: start; }
.plan {
  position: relative; padding: 1.9rem 1.6rem; background: var(--panel);
  border: 1.5px solid var(--linea); border-radius: var(--r-xl);
  box-shadow: var(--sombra-1); transition: var(--transicion);
  display: flex; flex-direction: column;
}
.plan:hover { transform: translateY(-4px); box-shadow: var(--sombra-3); }
.plan.destacado { border-color: var(--acento); box-shadow: var(--sombra-oro); }
.plan.destacado::before {
  content: attr(data-cinta); position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--acento), var(--acento-osc)); color: #fff;
  padding: .28rem .95rem; border-radius: 999px; font-size: .72rem; font-weight: 800;
  letter-spacing: .05em; text-transform: uppercase; white-space: nowrap;
}
.plan h3 { font-size: 1.3rem; margin-bottom: .3rem; }
.plan .precio { display: flex; align-items: baseline; gap: .3rem; margin: 1rem 0 .3rem; }
.plan .precio strong { font-size: 2.6rem; font-weight: 800; letter-spacing: -.045em; color: var(--tinta); line-height: 1; }
.plan .precio span { color: var(--tenue); font-size: .9rem; font-weight: 600; }
.plan .equivalente { font-size: .84rem; color: var(--exito); font-weight: 700; margin-bottom: 1.2rem; }
.plan ul { list-style: none; padding: 0; margin: 0 0 1.6rem; display: flex; flex-direction: column; gap: .6rem; flex: 1; }
.plan li { display: flex; gap: .55rem; font-size: .9rem; color: var(--suave); line-height: 1.45; }
.plan li svg { width: 17px; height: 17px; flex: none; color: var(--exito); margin-top: .12rem; }

/* --------------------------------------------------------------- tablas */

.tabla-envoltura { overflow-x: auto; border: 1px solid var(--linea); border-radius: var(--r-lg); background: var(--panel); }
table { width: 100%; border-collapse: collapse; font-size: .89rem; }
thead th {
  text-align: left; padding: .8rem 1rem; background: var(--panel-2);
  font-size: .74rem; font-weight: 800; text-transform: uppercase; letter-spacing: .07em;
  color: var(--tenue); border-bottom: 1px solid var(--linea); white-space: nowrap;
}
tbody td { padding: .8rem 1rem; border-bottom: 1px solid var(--linea); vertical-align: middle; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--panel-2); }
td .acciones { display: flex; gap: .35rem; justify-content: flex-end; }
.tabla-vacia { padding: 2.5rem; text-align: center; color: var(--tenue); }

.celda-principal { font-weight: 650; color: var(--tinta); }
.celda-sub { font-size: .8rem; color: var(--tenue); }

/* --------------------------------------------------------------- modal */

.modal-fondo {
  position: fixed; inset: 0; z-index: 150; display: grid; place-items: center;
  background: rgba(15, 18, 34, .55); backdrop-filter: blur(3px); padding: 1.25rem;
  animation: aparece .18s ease;
}
@keyframes aparece { from { opacity: 0; } to { opacity: 1; } }
.modal {
  width: 100%; max-width: 620px; max-height: 90vh; overflow-y: auto;
  background: var(--panel); border-radius: var(--r-xl); box-shadow: var(--sombra-3);
  animation: sube .24s cubic-bezier(.2, .9, .3, 1.05);
}
.modal.ancho { max-width: 860px; }
@keyframes sube { from { opacity: 0; transform: translateY(20px) scale(.98); } to { opacity: 1; transform: none; } }
.modal-cabecera {
  display: flex; align-items: center; gap: 1rem; padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--linea); position: sticky; top: 0; background: var(--panel);
  border-radius: var(--r-xl) var(--r-xl) 0 0; z-index: 2;
}
.modal-cabecera h3 { margin: 0; }
.modal-cerrar {
  margin-left: auto; background: none; border: 0; cursor: pointer; padding: .35rem;
  color: var(--tenue); border-radius: var(--r-sm); line-height: 0;
}
.modal-cerrar:hover { background: var(--lienzo); color: var(--texto); }
.modal-cuerpo { padding: 1.5rem; }
.modal-pie { display: flex; gap: .65rem; justify-content: flex-end; padding: 1.1rem 1.5rem; border-top: 1px solid var(--linea); }

/* ----------------------------------------------------------- pie de pagina */

.pie {
  background: linear-gradient(160deg, var(--marca-800), var(--marca-900));
  color: #b9cbdb; padding: 3.5rem 0 1.75rem; margin-top: auto;
  border-top: 4px solid var(--acento);
}
.pie-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 2.5rem; margin-bottom: 2.5rem; }
@media (max-width: 820px) { .pie-grid { grid-template-columns: 1fr 1fr; gap: 2rem; } }
@media (max-width: 520px) { .pie-grid { grid-template-columns: 1fr; } }
.pie h4 { color: var(--acento); font-size: .76rem; text-transform: uppercase; letter-spacing: .11em; margin-bottom: .9rem; }
.pie ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: .5rem; }
.pie a { color: #b9cbdb; font-size: .9rem; }
.pie a:hover { color: #fff; }
.pie .logo { color: #fff; margin-bottom: .9rem; }
.pie .logo-texto small { color: var(--acento); }
.pie p { font-size: .9rem; line-height: 1.6; max-width: 42ch; }
.pie-contacto { display: flex; align-items: flex-start; gap: .55rem; font-size: .9rem; line-height: 1.5; }
.pie-contacto svg { flex: none; margin-top: .18rem; color: var(--acento); }
.pie-redes { display: flex; gap: .55rem; margin-top: 1.1rem; }
.pie-redes a {
  width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center;
  background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .14);
  color: #fff; transition: var(--transicion);
}
.pie-redes a:hover { background: var(--acento); border-color: var(--acento); color: var(--marca-900); transform: translateY(-2px); }
.pie-legal {
  border-top: 1px solid rgba(255, 255, 255, .12); padding-top: 1.5rem;
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between;
  font-size: .82rem; color: #8ba3b8;
}

body { display: flex; flex-direction: column; min-height: 100vh; }
main { flex: 1; }

/* -------------------------------------------------------- utilidades */

.pila { display: flex; flex-direction: column; gap: 1rem; }
.linea-flex { display: flex; align-items: center; gap: .75rem; flex-wrap: wrap; }
.empuja { margin-left: auto; }
.mt-0 { margin-top: 0; } .mt-1 { margin-top: .5rem; } .mt-2 { margin-top: 1rem; } .mt-3 { margin-top: 1.75rem; }
.mb-0 { margin-bottom: 0; } .mb-1 { margin-bottom: .5rem; } .mb-2 { margin-bottom: 1rem; } .mb-3 { margin-bottom: 1.75rem; }
.txt-suave { color: var(--suave); } .txt-tenue { color: var(--tenue); }
.txt-sm { font-size: .86rem; } .txt-xs { font-size: .78rem; }
.negrita { font-weight: 700; }
.monoespaciada { font-family: 'Cascadia Code', Consolas, 'SF Mono', monospace; font-size: .86em; letter-spacing: -.01em; }