/* =============================================================================
   CuántoMeCorresponde — hoja de estilos única
   1. Tokens · 2. Reset · 3. Utilidades · 4. Tipografía · 5. Cabecera
   6. Intro · 7. Formulario · 8. Resultado · 9. Paneles · 10. Anuncios
   11. Secciones · 12. Pie · 13. Responsive · 14. Impresión
   ============================================================================= */

/* ============================ 1. Tokens =================================== */
:root {
  --paper:        #f5f4f0;
  --surface:      #ffffff;
  --surface-2:    #faf9f6;
  --ink:          #1b2733;
  --ink-2:        #3b4a57;
  --muted:        #6a7783;
  --accent:       #0f4c47;
  --accent-2:     #15756c;
  --accent-soft:  #e9f2f0;
  --accent-line:  #cfe1de;
  --line:         #e4e1d9;
  --line-2:       #d3cfc4;
  --alerta:       #96302f;
  --alerta-soft:  #fbeeed;
  --alerta-line:  #eed3d1;
  --atencion:     #855312;
  --atencion-soft:#fdf4e6;
  --atencion-line:#eddcbe;

  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --serif: "Newsreader", Georgia, "Times New Roman", serif;

  --radio: 14px;
  --radio-s: 9px;
  --sombra: 0 1px 2px rgba(27,39,51,.04), 0 8px 28px rgba(27,39,51,.06);
  --sombra-alta: 0 2px 6px rgba(27,39,51,.08), 0 20px 50px rgba(27,39,51,.12);
  --ease: cubic-bezier(.16,1,.3,1);
  --gutter: clamp(1.1rem, 4vw, 2rem);
}

/* ============================ 2. Reset ==================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; tab-size: 2; scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
img, svg { display: block; max-width: 100%; }
/* `hidden` debe ganar siempre: varios bloques de esta hoja usan display:grid
   y, sin esto, se seguirían viendo aunque el JS los marque como ocultos. */
[hidden] { display: none !important; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; }
p { text-wrap: pretty; }
h1, h2, h3 { text-wrap: balance; line-height: 1.15; letter-spacing: -.015em; }
::selection { background: var(--accent); color: #fff; }
:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 3px; border-radius: 5px; }

/* ============================ 3. Utilidades =============================== */
.contenedor { width: 100%; max-width: 1120px; margin-inline: auto; padding-inline: var(--gutter); }
.contenedor-texto { max-width: 780px; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; top: -100px; left: 1rem; z-index: 999;
  padding: .65rem 1.1rem; background: var(--accent); color: #fff;
  border-radius: var(--radio-s); font-weight: 600;
}
.skip-link:focus { top: 1rem; }

/* ============================ 4. Tipografía ============================== */
h1 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(1.7rem, 5.4vw, 3.1rem);
  letter-spacing: -.022em;
}
h2 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(1.45rem, 3.4vw, 2.05rem);
  margin-bottom: .9rem;
}
h3 {
  font-size: clamp(1.08rem, 2vw, 1.25rem);
  font-weight: 650;
  margin: 2rem 0 .6rem;
  color: var(--accent);
}

/* ============================ 5. Cabecera ================================ */
.cabecera {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 40;
}
.cabecera-fila {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; min-height: 60px;
}
.marca { display: inline-flex; align-items: center; gap: .55rem; text-decoration: none; color: var(--accent); }
.marca-icono { width: 30px; height: 30px; flex: none; }
.marca-texto { font-size: 1.02rem; font-weight: 500; letter-spacing: -.015em; color: var(--ink); }
.marca-texto strong { font-weight: 700; color: var(--accent); }
.cabecera-nota { font-size: .82rem; color: var(--muted); }

/* ============================ 6. Intro =================================== */
.intro { padding: 1.15rem 0 1rem; text-align: center; }
.kicker {
  display: inline-block;
  font-size: .74rem; font-weight: 600; letter-spacing: .13em; text-transform: uppercase;
  color: var(--accent-2); background: var(--accent-soft);
  padding: .26rem .65rem; border-radius: 100px; margin-bottom: .7rem;
}
.subtitulo {
  max-width: 640px; margin: .55rem auto 0;
  font-size: clamp(.95rem, 2vw, 1.13rem); color: var(--ink-2);
}
.sello-datos {
  display: inline-flex; align-items: center; gap: .45rem;
  margin-top: .8rem; padding: .34rem .75rem;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 100px; font-size: .83rem; color: var(--ink-2);
}
.sello-datos svg { width: 17px; height: 17px; color: var(--accent-2); flex: none; }

/* ============================ 7. La herramienta ========================== */
.zona-tool { padding-bottom: 2.2rem; }
.tool-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr;
}

/* --- formulario --- */
.tool-form { padding: clamp(1.05rem, 3vw, 1.8rem); display: grid; gap: .8rem; align-content: start; }
.campo { display: grid; gap: .38rem; border: 0; padding: 0; min-width: 0; }
.campo > label, .campo legend {
  font-size: .85rem; font-weight: 600; color: var(--ink);
  letter-spacing: -.005em; padding: 0;
}
.campo-salario { display: grid; gap: .55rem; }
.ayuda { font-size: .76rem; line-height: 1.4; color: var(--muted); }
.ayuda-norma { color: var(--muted); font-style: italic; }

input[type="date"], input[type="number"], select {
  width: 100%;
  padding: .68rem .8rem;
  font: inherit; font-size: .98rem; color: var(--ink);
  background: var(--surface-2);
  border: 1px solid var(--line-2);
  border-radius: var(--radio-s);
  transition: border-color .18s var(--ease), background .18s var(--ease), box-shadow .18s var(--ease);
  min-height: 46px;
}
input[type="date"] { min-width: 0; }
input:hover, select:hover { border-color: var(--accent-line); }
input:focus, select:focus {
  outline: none; background: var(--surface);
  border-color: var(--accent-2); box-shadow: 0 0 0 3px var(--accent-soft);
}
select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5l5-5' fill='none' stroke='%236a7783' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right .8rem center; background-size: 12px;
  padding-right: 2.2rem;
}

.input-euro { position: relative; display: flex; align-items: center; }
.input-euro input { padding-right: 4.6rem; }
.input-euro .sufijo {
  position: absolute; right: .85rem;
  font-size: .82rem; color: var(--muted); pointer-events: none;
}

.segmentos {
  display: inline-flex; padding: 3px; gap: 3px;
  background: var(--surface-2); border: 1px solid var(--line-2); border-radius: 100px;
  width: fit-content;
}
.segmento {
  padding: .34rem .95rem; border-radius: 100px;
  font-size: .84rem; font-weight: 600; color: var(--muted);
  transition: background .18s var(--ease), color .18s var(--ease);
}
.segmento.activo { background: var(--accent); color: #fff; }

.fila-doble, .fila-triple { display: grid; gap: .7rem; grid-template-columns: 1fr; }
.acciones-form { display: flex; flex-wrap: wrap; gap: 1rem; padding-top: .2rem; }
.enlace-boton {
  font-size: .84rem; font-weight: 600; color: var(--accent-2);
  text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px;
}
.enlace-boton:hover { color: var(--accent); }

/* --- resultado --- */
.tool-resultado {
  background: linear-gradient(180deg, #f7faf9 0%, #eef5f3 100%);
  border-top: 1px solid var(--line);
  padding: clamp(1.15rem, 3vw, 1.8rem);
  display: flex; flex-direction: column; justify-content: center;
  min-width: 0;
}
.resultado-vacio { text-align: center; color: var(--muted); padding: 1.4rem 0; }
.resultado-vacio svg { width: 46px; height: 46px; margin: 0 auto .8rem; color: var(--accent-line); }
.resultado-vacio p { font-size: .93rem; max-width: 30ch; margin-inline: auto; }

.resultado-error ul { list-style: none; display: grid; gap: .45rem; }
.resultado-error li {
  font-size: .9rem; color: var(--alerta); font-weight: 500;
  background: var(--alerta-soft); border: 1px solid var(--alerta-line);
  border-radius: var(--radio-s); padding: .6rem .8rem;
}

.resultado-etiqueta {
  font-size: .78rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
  color: var(--accent-2);
}
.resultado-cifra {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 9vw, 3.7rem);
  font-weight: 700; line-height: 1.05; letter-spacing: -.03em;
  color: var(--accent); margin: .25rem 0 .2rem;
  font-variant-numeric: tabular-nums;
}
.resultado-formula { font-size: .85rem; color: var(--ink-2); }

.metricas {
  list-style: none; display: grid; grid-template-columns: repeat(3, 1fr);
  gap: .5rem; margin: 1.1rem 0 0;
}
.metricas li {
  background: var(--surface); border: 1px solid var(--accent-line);
  border-radius: var(--radio-s); padding: .6rem .65rem; text-align: center;
}
.metrica-valor {
  display: block; font-size: .88rem; font-weight: 700; color: var(--ink);
  line-height: 1.2; font-variant-numeric: tabular-nums;
}
.metrica-etiqueta { display: block; font-size: .69rem; color: var(--muted); margin-top: .2rem; line-height: 1.3; }

.aviso {
  margin-top: .85rem; padding: .7rem .85rem;
  border-radius: var(--radio-s); font-size: .84rem; line-height: 1.5;
  border: 1px solid var(--line);
}
.aviso-ok { background: var(--accent-soft); border-color: var(--accent-line); color: #16413d; }
.aviso-atencion { background: var(--atencion-soft); border-color: var(--atencion-line); color: var(--atencion); }
.aviso-alerta { background: var(--alerta-soft); border-color: var(--alerta-line); color: var(--alerta); }

.bloque-total {
  margin-top: 1rem; padding: .85rem 1rem;
  background: var(--accent); color: #fff; border-radius: var(--radio-s);
  display: grid; gap: .1rem;
}
.bloque-total span { font-size: .77rem; letter-spacing: .07em; text-transform: uppercase; opacity: .82; }
.bloque-total strong {
  font-family: var(--serif); font-size: 1.75rem; font-weight: 700;
  line-height: 1.15; font-variant-numeric: tabular-nums;
}
.bloque-total small { font-size: .76rem; opacity: .8; }

.acciones-resultado { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.15rem; }
.btn {
  display: inline-flex; align-items: center; gap: .45rem;
  padding: .72rem 1.1rem; border-radius: var(--radio-s);
  font-size: .89rem; font-weight: 600; text-decoration: none;
  transition: transform .18s var(--ease), background .18s var(--ease), box-shadow .18s var(--ease);
}
.btn svg { width: 18px; height: 18px; flex: none; }
.btn-principal { background: var(--accent); color: #fff; box-shadow: 0 2px 10px rgba(15,76,71,.22); }
.btn-principal:hover { background: var(--accent-2); transform: translateY(-1px); }
.btn-suave { background: var(--surface); color: var(--accent); border: 1px solid var(--accent-line); }
.btn-suave:hover { background: var(--accent-soft); }

.sello-privacidad {
  display: flex; align-items: center; justify-content: center; gap: .45rem;
  margin: .9rem auto 0; max-width: 640px; text-align: center;
  font-size: .82rem; color: var(--muted);
}
.sello-privacidad svg { width: 17px; height: 17px; color: var(--accent-2); flex: none; }

/* ============================ 9. Paneles ================================= */
.paneles { display: grid; gap: .7rem; margin-top: 1.5rem; }
.panel {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radio); overflow: hidden;
}
.panel-destacado { border-color: var(--accent-line); box-shadow: var(--sombra); }
.panel > summary {
  list-style: none; cursor: pointer;
  padding: .95rem clamp(1rem, 3vw, 1.5rem);
  font-weight: 650; font-size: .97rem; color: var(--ink);
  display: flex; align-items: center; justify-content: space-between; gap: .8rem;
  transition: background .18s var(--ease);
}
.panel > summary::-webkit-details-marker { display: none; }
.panel > summary:hover { background: var(--surface-2); }
.panel > summary::after {
  content: ""; flex: none; width: 11px; height: 11px;
  border-right: 2px solid var(--accent-2); border-bottom: 2px solid var(--accent-2);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform .22s var(--ease);
}
.panel[open] > summary::after { transform: rotate(-135deg) translate(-2px, -2px); }
.panel[open] > summary { border-bottom: 1px solid var(--line); }
.panel-destacado > summary { color: var(--accent); }
.panel-cuerpo { padding: clamp(1rem, 3vw, 1.5rem); }
.panel-intro { font-size: .9rem; color: var(--ink-2); margin-bottom: 1rem; }
.panel-nota {
  font-size: .81rem; color: var(--muted); margin-top: .9rem;
  padding-top: .8rem; border-top: 1px dashed var(--line);
}

/* --- desglose paso a paso --- */
.pasos-calculo { list-style: none; display: grid; gap: .8rem; counter-reset: none; }
.pasos-calculo li {
  padding: .8rem .95rem; background: var(--surface-2);
  border: 1px solid var(--line); border-left: 3px solid var(--accent-line);
  border-radius: var(--radio-s);
}
.paso-titulo { font-weight: 650; font-size: .92rem; color: var(--accent); margin-bottom: .25rem; }
.paso-texto { font-size: .86rem; color: var(--ink-2); }
.paso-formula {
  margin-top: .45rem; padding: .4rem .6rem;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 6px; display: inline-block;
  font-size: .85rem; font-variant-numeric: tabular-nums; color: var(--ink);
}
.paso-formula strong { color: var(--accent); }
.paso-resultado { font-size: 1.05rem; }

/* --- tablas --- */
.tabla-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; margin-inline: -.2rem; padding-inline: .2rem; }
.tabla-comparador, .tabla-tipos {
  width: 100%; min-width: 540px; border-collapse: collapse; font-size: .87rem;
}
.tabla-comparador th, .tabla-comparador td,
.tabla-tipos th, .tabla-tipos td {
  text-align: left; padding: .62rem .7rem;
  border-bottom: 1px solid var(--line); vertical-align: top;
}
.tabla-comparador thead th, .tabla-tipos thead th {
  font-size: .72rem; text-transform: uppercase; letter-spacing: .06em;
  color: var(--muted); font-weight: 600;
  background: var(--surface-2); border-bottom: 1px solid var(--line-2);
  white-space: nowrap;
}
.tabla-comparador tbody th, .tabla-tipos tbody th { font-weight: 600; color: var(--ink); }
.tabla-comparador .celda-importe {
  text-align: right; font-weight: 700; white-space: nowrap;
  font-variant-numeric: tabular-nums; color: var(--ink);
}
.tabla-comparador .fila-actual { background: var(--accent-soft); }
.tabla-comparador .fila-actual th, .tabla-comparador .fila-actual .celda-importe { color: var(--accent); }
.pastilla {
  display: inline-block; margin-left: .35rem; padding: .06rem .42rem;
  background: var(--accent); color: #fff; border-radius: 100px;
  font-size: .66rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase;
  vertical-align: middle;
}
.marca-tope {
  display: inline-block; padding: .04rem .35rem; margin-left: .25rem;
  background: var(--atencion-soft); color: var(--atencion);
  border: 1px solid var(--atencion-line); border-radius: 4px;
  font-size: .65rem; font-weight: 600; text-transform: uppercase;
}

/* --- finiquito --- */
.fila-finiquito { margin-bottom: 1.1rem; }
.lista-finiquito { list-style: none; display: grid; gap: 0; }
.lista-finiquito li {
  display: flex; align-items: baseline; justify-content: space-between; gap: 1rem;
  padding: .58rem .1rem; border-bottom: 1px solid var(--line); font-size: .89rem;
}
.lista-finiquito li span { color: var(--ink-2); }
.lista-finiquito li strong { font-weight: 700; white-space: nowrap; font-variant-numeric: tabular-nums; }
.lista-finiquito .fila-total {
  border-bottom: 0; border-top: 2px solid var(--accent-line); margin-top: .2rem;
  padding-top: .7rem; font-size: 1rem;
}
.lista-finiquito .fila-total span { font-weight: 650; color: var(--ink); }
.lista-finiquito .fila-total strong { color: var(--accent); font-size: 1.15rem; }
.lista-finiquito .fila-nota { border-bottom: 0; padding-top: .5rem; }
.lista-finiquito .fila-nota span { font-size: .8rem; color: var(--muted); }

/* ============================ 10. Anuncios =============================== */
/* Huecos vacíos marcados. Esta web no carga ningún script de terceros. */
.ad-slot {
  position: relative;
  display: flex; align-items: center; justify-content: center;
  background: repeating-linear-gradient(45deg, #f1f0ec, #f1f0ec 9px, #eceae4 9px, #eceae4 18px);
  border: 1px dashed var(--line-2); border-radius: var(--radio-s);
}
.ad-tag {
  font-size: .68rem; font-weight: 700; letter-spacing: .16em;
  color: #a09a8c; text-transform: uppercase;
}
.ad-banner { min-height: 92px; margin: 1.6rem 0; }
.ad-rectangulo { min-height: 258px; max-width: 340px; margin: 2.2rem auto; }

.ad-popup {
  border: 0; padding: 0; border-radius: var(--radio);
  box-shadow: var(--sombra-alta); background: var(--surface);
  max-width: min(360px, calc(100vw - 2rem)); width: 100%;
  color: var(--ink);
}
.ad-popup::backdrop { background: rgba(20,30,38,.5); }
.ad-popup > * { margin-inline: auto; }
.ad-popup-titulo { font-weight: 700; font-size: 1rem; padding: 1.3rem 1.2rem 0; text-align: center; }
.ad-popup-sub { font-size: .82rem; color: var(--muted); padding: .25rem 1.2rem .9rem; text-align: center; }
.ad-popup-hueco { min-height: 250px; width: calc(100% - 2.4rem); }
.ad-popup .btn-suave { margin: 1rem auto 1.2rem; display: flex; justify-content: center; }
.ad-popup-cerrar {
  position: absolute; top: .5rem; right: .6rem;
  width: 32px; height: 32px; border-radius: 50%;
  font-size: 1.4rem; line-height: 1; color: var(--muted);
  display: flex; align-items: center; justify-content: center;
}
.ad-popup-cerrar:hover { background: var(--surface-2); color: var(--ink); }

.ad-esquina {
  position: fixed; right: 1rem; bottom: 1rem; z-index: 60;
  width: min(290px, calc(100vw - 2rem));
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radio); box-shadow: var(--sombra-alta);
  padding: .55rem; opacity: 0; transform: translateY(12px);
  transition: opacity .3s var(--ease), transform .3s var(--ease);
}
.ad-esquina.visible { opacity: 1; transform: none; }
.ad-esquina-hueco { min-height: 96px; }
.ad-esquina-cerrar {
  position: absolute; top: -9px; right: -9px;
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--ink); color: #fff; font-size: 1rem; line-height: 1;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 2px 8px rgba(27,39,51,.25);
}

/* ============================ 11. Secciones ============================== */
.seccion { padding: clamp(2.4rem, 6vw, 4rem) 0; }
.seccion-clara { background: var(--surface); border-block: 1px solid var(--line); }
.seccion-clara p { color: var(--ink-2); margin-bottom: .9rem; }
.seccion-clara .tabla-scroll { margin-block: 1.2rem 1.6rem; }

.pasos {
  list-style: none; display: grid; gap: 1rem; margin-top: 1.6rem;
  grid-template-columns: 1fr;
}
.pasos li {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radio); padding: 1.3rem 1.3rem 1.4rem;
}
.paso-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent);
  font-family: var(--serif); font-weight: 700; font-size: 1.1rem;
  margin-bottom: .7rem;
}
.pasos h3 { margin: 0 0 .35rem; color: var(--ink); font-size: 1.05rem; }
.pasos p { font-size: .89rem; color: var(--ink-2); }

.lista-marcada { list-style: none; display: grid; gap: .5rem; margin: 0 0 1.1rem; }
.lista-marcada li { position: relative; padding-left: 1.4rem; font-size: .93rem; color: var(--ink-2); }
.lista-marcada li::before {
  content: ""; position: absolute; left: .25rem; top: .62em;
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent-2);
}

.faq {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radio); margin-bottom: .6rem; overflow: hidden;
}
.faq > summary {
  list-style: none; cursor: pointer; padding: 1rem 1.2rem;
  font-weight: 650; font-size: .98rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  transition: background .18s var(--ease);
}
.faq > summary::-webkit-details-marker { display: none; }
.faq > summary:hover { background: var(--surface-2); }
.faq > summary::after {
  content: "+"; flex: none; font-size: 1.35rem; font-weight: 400;
  color: var(--accent-2); line-height: 1; transition: transform .22s var(--ease);
}
.faq[open] > summary::after { transform: rotate(45deg); }
.faq-cuerpo { padding: 0 1.2rem 1.2rem; }
.faq-cuerpo p { font-size: .9rem; color: var(--ink-2); margin-bottom: .75rem; }
.faq-cuerpo p:last-child { margin-bottom: 0; }

.seccion-aviso { padding-top: 0; }
.aviso-grande {
  display: flex; gap: 1rem; align-items: flex-start;
  background: var(--atencion-soft); border: 1px solid var(--atencion-line);
  border-radius: var(--radio); padding: clamp(1.1rem, 3vw, 1.7rem);
}
.aviso-grande > svg { width: 30px; height: 30px; flex: none; color: var(--atencion); margin-top: .1rem; }
.aviso-grande h2 { font-size: 1.2rem; margin-bottom: .5rem; color: var(--atencion); }
.aviso-grande p { font-size: .88rem; color: #6b5220; margin-bottom: .6rem; }
.aviso-fecha { font-size: .8rem !important; opacity: .85; margin-bottom: 0 !important; }

/* ============================ 12. Pie ==================================== */
.pie { background: var(--ink); color: #cdd6dd; padding: 2.2rem 0 2.6rem; }
.pie-fila { display: grid; gap: .8rem; text-align: center; }
.pie-marca { font-size: .95rem; color: #fff; }
.pie-marca strong { color: #7fc4bb; }
.pie-nav { display: flex; flex-wrap: wrap; gap: 1.2rem; justify-content: center; }
.pie-nav a {
  font-size: .86rem; color: #cdd6dd; text-decoration: none;
  border-bottom: 1px solid rgba(205,214,221,.3); padding-bottom: 1px;
}
.pie-nav a:hover { color: #fff; border-color: #fff; }
.pie-nota { font-size: .79rem; color: #8b99a4; max-width: 60ch; margin-inline: auto; }

/* ============================ 13. Responsive ============================= */
@media (min-width: 540px) {
  .intro { padding: clamp(1.8rem, 5vw, 3.2rem) 0 1.4rem; }
  .kicker { margin-bottom: .95rem; }
  .subtitulo { margin-top: .85rem; }
  .sello-datos { margin-top: 1.15rem; }
  .tool-form { gap: 1.05rem; }
  .ayuda { font-size: .79rem; }
  .metrica-valor { font-size: .97rem; }
  .fila-doble, .fila-triple { grid-template-columns: 1fr 1fr; }
  .pie-fila { text-align: left; grid-template-columns: 1fr auto; align-items: center; }
  .pie-nav { justify-content: flex-end; }
  .pie-nota { grid-column: 1 / -1; margin-inline: 0; }
}
@media (min-width: 720px) {
  .pasos { grid-template-columns: repeat(3, 1fr); }
  .fila-triple { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 960px) {
  .tool-card { grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); }
  .tool-resultado { border-top: 0; border-left: 1px solid var(--line); }
  .metricas { grid-template-columns: repeat(3, 1fr); }
  .ad-banner { min-height: 100px; }
}

/* ============================ 14. Impresión ============================== */
@media print {
  .cabecera, .ad-slot, .ad-esquina, .ad-popup, .acciones-form,
  .acciones-resultado, .skip-link, .pie-nav { display: none !important; }
  body { background: #fff; }
  .panel, .faq { break-inside: avoid; }
  .panel[open] > summary::after, .faq > summary::after { display: none; }
}

/* ============================ 15. Movimiento reducido ==================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ad-esquina { transition: none; }
}

/* =============================================================================
   16. Páginas de contenido (las guías)
   Se añaden al final a propósito: son clases nuevas que no pisan nada de
   arriba, y así las media queries propias quedan después de las generales.
   ============================================================================= */

/* --- navegación de la cabecera --- */
.cabecera-nav { display: flex; gap: 1.1rem; align-items: center; }
.cabecera-nav a {
  font-size: .87rem; font-weight: 600; color: var(--ink-2);
  text-decoration: none; padding: .2rem 0;
  border-bottom: 2px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}
.cabecera-nav a:hover { color: var(--accent); border-bottom-color: var(--accent-line); }
/* En móvil la marca + los dos enlaces no caben en 375 px y desbordaban la
   página a lo ancho. Se oculta «Calculadora», que es redundante: el logotipo
   ya lleva ahí. Vuelve a aparecer a partir de tablet. */
.cabecera-nav a:first-child { display: none; }
.marca-texto { font-size: .95rem; }

/* --- entradilla de guía (como .intro pero alineada a la izquierda) --- */
.guia-intro { padding: 1.15rem 0 1.2rem; }
.guia-intro h1 { margin-top: .35rem; }
.guia-intro .subtitulo { margin-inline: 0; max-width: 62ch; }
.guia-intro .kicker { margin-bottom: .5rem; }
.guia-intro .sello-datos { margin-top: 1rem; }

/* --- migas de pan --- */
.miga { font-size: .8rem; color: var(--muted); margin-bottom: .9rem; }
.miga a { color: var(--accent-2); text-decoration: none; border-bottom: 1px solid transparent; }
.miga a:hover { border-bottom-color: var(--accent-line); }
.miga span[aria-hidden] { margin: 0 .2rem; opacity: .5; }

/* --- ritmo del cuerpo de las guías --- */
.contenedor-texto h2 { margin-top: 2.5rem; }
.contenedor-texto > h2:first-child,
.contenedor-texto > .miga + h2 { margin-top: 0; }
.contenedor-texto h2 + p, .contenedor-texto h2 + .lista-marcada { margin-top: 0; }

/* --- llamada a la calculadora --- */
.seccion-cta { padding-top: 0; }
.cta-caja {
  background: var(--accent); color: #fff;
  border-radius: var(--radio); padding: clamp(1.4rem, 4vw, 2.2rem);
  text-align: center;
}
.cta-caja h2 { color: #fff; margin: 0 0 .5rem; }
.cta-caja p { color: rgba(255,255,255,.86); font-size: .93rem; max-width: 52ch; margin: 0 auto 1.2rem; }
.cta-caja .btn-principal { background: #fff; color: var(--accent); box-shadow: none; }
.cta-caja .btn-principal:hover { background: var(--accent-soft); transform: translateY(-1px); }

/* --- tarjetas de guía --- */
.rejilla-guias { display: grid; gap: .8rem; grid-template-columns: 1fr; margin-top: 1.2rem; }
.tarjeta-guia {
  display: block; text-decoration: none;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radio); padding: 1.2rem 1.3rem;
  transition: border-color .18s var(--ease), transform .18s var(--ease), box-shadow .18s var(--ease);
}
.tarjeta-guia:hover {
  border-color: var(--accent-line); transform: translateY(-2px); box-shadow: var(--sombra);
}
.tarjeta-guia h2, .tarjeta-guia h3 {
  font-family: var(--sans); font-size: 1.02rem; font-weight: 650;
  color: var(--accent); margin: 0 0 .35rem; line-height: 1.3;
}
.tarjeta-guia p { font-size: .87rem; color: var(--ink-2); margin: 0; }
.tarjeta-kicker {
  font-size: .7rem !important; font-weight: 600; letter-spacing: .1em;
  text-transform: uppercase; color: var(--muted) !important; margin-bottom: .35rem !important;
}

/* El índice de guías encadena entradilla + sección y quedaba un hueco enorme. */
.guia-intro + .seccion { padding-top: .4rem; }

@media (min-width: 540px) {
  .cabecera-nav a:first-child { display: inline; }
  .marca-texto { font-size: 1.02rem; }
}

@media (min-width: 720px) {
  .rejilla-guias { grid-template-columns: 1fr 1fr; }
  .guia-intro { padding: 2rem 0 1.6rem; }
}