/* ==========================================================================
   Dinero Claro — hoja de estilos
   Concepto: "claridad de recibo". Formularios limpios a un lado, resultados
   impresos como ticket de caja al otro; artículos en una columna de ~68ch.
   Los números importantes se marcan como con un resaltador amarillo.
   ========================================================================== */

:root {
  /* Color (tema claro) */
  --bg: #F3F6F2;
  --surface: #FFFFFF;
  --surface-2: #EAF0EA;
  --ink: #12211B;
  --ink-soft: #4A5A53;
  --line: #D5DED7;
  --line-strong: #B9C7BD;
  --brand: #0F5A44;
  --brand-strong: #0A4535;
  --brand-ink: #FFFFFF;
  --brand-soft: #E2EFE8;
  --marker: #FFE066;
  --chart-1: #0F5A44;
  --chart-2: #2E9D7A;
  --chart-3: #8FC9B3;
  --chart-4: #D29B12;
  --bad: #C2412D;
  --bad-soft: #FBE7E2;
  --ok: #1E7F4F;
  --ok-soft: #E0F1E7;
  --warn: #9A6412;
  --warn-soft: #FBF0DA;
  --focus: #D99A00;
  --sombra: rgba(18, 33, 27, 0.10);
  --cta-bg: #FFE066;
  --cta-ink: #12211B;

  /* Tipografía */
  --font-display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --font-body: "Atkinson Hyperlegible", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --t-xs: 0.8125rem;
  --t-s: 0.9375rem;
  --t-m: 1.0625rem;
  --t-l: 1.25rem;
  --t-xl: clamp(1.4rem, 1.2rem + 0.9vw, 1.8rem);
  --t-2xl: clamp(1.85rem, 1.4rem + 2vw, 2.7rem);
  --t-3xl: clamp(2.2rem, 1.5rem + 3vw, 3.6rem);

  /* Forma */
  --radio: 12px;
  --radio-s: 8px;
  --ancho: 1160px;
  --medida: 68ch;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0E1512;
    --surface: #15201B;
    --surface-2: #1B2822;
    --ink: #E6EEE9;
    --ink-soft: #A3B3AB;
    --line: #2A3832;
    --line-strong: #3A4B43;
    --brand: #4CC79A;
    --brand-strong: #74D8B2;
    --brand-ink: #062118;
    --brand-soft: #173328;
    --marker: #5C4F10;
    --chart-1: #4CC79A;
    --chart-2: #2E9D7A;
    --chart-3: #2F5E4E;
    --chart-4: #E5B454;
    --bad: #F07A62;
    --bad-soft: #3A1E19;
    --ok: #5BD08F;
    --ok-soft: #14301F;
    --warn: #E5B454;
    --warn-soft: #33270F;
    --focus: #F2C94C;
    --sombra: rgba(0, 0, 0, 0.45);
    --cta-bg: #0E1512;
    --cta-ink: #FFE066;
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: #0E1512;
  --surface: #15201B;
  --surface-2: #1B2822;
  --ink: #E6EEE9;
  --ink-soft: #A3B3AB;
  --line: #2A3832;
  --line-strong: #3A4B43;
  --brand: #4CC79A;
  --brand-strong: #74D8B2;
  --brand-ink: #062118;
  --brand-soft: #173328;
  --marker: #5C4F10;
  --chart-1: #4CC79A;
  --chart-2: #2E9D7A;
  --chart-3: #2F5E4E;
  --chart-4: #E5B454;
  --bad: #F07A62;
  --bad-soft: #3A1E19;
  --ok: #5BD08F;
  --ok-soft: #14301F;
  --warn: #E5B454;
  --warn-soft: #33270F;
  --focus: #F2C94C;
  --sombra: rgba(0, 0, 0, 0.45);
  --cta-bg: #0E1512;
  --cta-ink: #FFE066;
  color-scheme: dark;
}

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

[hidden] { display: none !important; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--t-m);
  line-height: 1.6;
  overflow-wrap: break-word;
}

img, svg, video { max-width: 100%; height: auto; }
img { display: block; }

a { color: var(--brand); text-decoration-thickness: 0.08em; text-underline-offset: 0.18em; }
a:hover { color: var(--brand-strong); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.12;
  letter-spacing: -0.015em;
  text-wrap: balance;
  margin: 0;
}
h1 { font-size: var(--t-3xl); font-weight: 800; }
h2 { font-size: var(--t-2xl); font-weight: 750; }
h3 { font-size: var(--t-l); font-weight: 700; letter-spacing: -0.01em; }
h4 { font-size: var(--t-m); font-weight: 700; }

p { margin: 0; }

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

mark, .resaltado {
  background: linear-gradient(transparent 42%, var(--marker) 42%, var(--marker) 92%, transparent 92%);
  color: inherit;
  padding: 0 0.12em;
  border-radius: 2px;
}

.num, .mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

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

.saltar {
  position: absolute; left: 16px; top: -100px; z-index: 50;
  background: var(--brand); color: var(--brand-ink);
  padding: 10px 14px; border-radius: var(--radio-s); font-weight: 700;
}
.saltar:focus { top: 12px; color: var(--brand-ink); }

.envoltura {
  width: 100%;
  max-width: var(--ancho);
  margin-inline: auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}

.envoltura--estrecha { max-width: calc(var(--medida) + 64px); }

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

/* --------------------------------------------------------------------------
   Cabecera
   -------------------------------------------------------------------------- */
.cabecera { background: var(--surface); border-bottom: 1px solid var(--line); }

.cabecera__fila {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px 20px;
  min-height: 68px;
  padding-block: 10px;
}

.marca {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1;
}
.marca:hover { color: var(--ink); }
.marca b { font-weight: 800; color: var(--brand); }
.marca svg { width: 34px; height: 34px; flex: none; }

.nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.nav a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  font-size: var(--t-s);
  padding: 8px 12px;
  border-radius: 999px;
  white-space: nowrap;
}
.nav a:hover { background: var(--brand-soft); color: var(--ink); }
.nav a.nav__cta { background: var(--brand); color: var(--brand-ink); margin-left: 6px; }
.nav a.nav__cta:hover { background: var(--brand-strong); color: var(--brand-ink); }

@media (max-width: 640px) {
  .cabecera__fila { flex-wrap: wrap; }
  .nav { width: 100%; justify-content: space-between; gap: 2px; }
  .nav a { padding: 8px 10px; font-size: var(--t-xs); }
  .nav a.nav__cta { margin-left: 0; }
}

/* --------------------------------------------------------------------------
   Encabezado de página (intro)
   -------------------------------------------------------------------------- */
.intro { padding-block: clamp(24px, 4vw, 44px) clamp(16px, 3vw, 28px); display: grid; gap: 14px; }
.intro .bajada { font-size: var(--t-l); color: var(--ink-soft); max-width: 62ch; line-height: 1.5; }
.intro .meta { font-size: var(--t-xs); color: var(--ink-soft); font-family: var(--font-mono); }

.migas { font-size: var(--t-xs); color: var(--ink-soft); display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.migas a { color: var(--ink-soft); }
.migas a:hover { color: var(--brand); }
.migas span[aria-hidden] { opacity: 0.6; }

.antetitulo {
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   Botones y controles
   -------------------------------------------------------------------------- */
.boton {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: 700 var(--t-m)/1.2 var(--font-body);
  padding: 13px 22px;
  border-radius: 999px;
  border: 2px solid var(--brand);
  background: var(--brand);
  color: var(--brand-ink);
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s ease, transform 0.15s ease;
}
.boton:hover { background: var(--brand-strong); border-color: var(--brand-strong); color: var(--brand-ink); }
.boton:active { transform: translateY(1px); }
.boton--secundario { background: transparent; color: var(--brand); }
.boton--secundario:hover { background: var(--brand-soft); color: var(--brand); border-color: var(--brand); }
.boton--chico { padding: 8px 14px; font-size: var(--t-s); border-width: 1.5px; }
.boton--bloque { width: 100%; }

.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radio); padding: clamp(16px, 3vw, 24px); }

.campos { display: grid; gap: 18px; }
.campos--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 190px), 1fr)); }
.campo { display: grid; gap: 6px; align-content: start; min-width: 0; }
.campo > label, .campo > .etiqueta { font-weight: 700; font-size: var(--t-s); }
.ayuda { color: var(--ink-soft); font-size: var(--t-xs); line-height: 1.45; }

.entrada {
  display: flex;
  align-items: stretch;
  border: 1.5px solid var(--line-strong);
  border-radius: var(--radio-s);
  background: var(--surface);
  overflow: hidden;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.entrada:focus-within { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }
.entrada input, .entrada select {
  flex: 1 1 auto;
  min-width: 0;
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font: 500 var(--t-m)/1.3 var(--font-mono);
  font-variant-numeric: tabular-nums;
  padding: 11px 12px;
}
.entrada select { font-family: var(--font-body); cursor: pointer; }
.entrada__pre, .entrada__suf {
  display: grid; place-items: center;
  padding: 0 12px;
  background: var(--surface-2);
  color: var(--ink-soft);
  font: 600 var(--t-s)/1 var(--font-mono);
  white-space: nowrap;
}
.entrada input[type="number"]::-webkit-inner-spin-button,
.entrada input[type="number"]::-webkit-outer-spin-button { opacity: 0.5; }

select.selector, .selector {
  border: 1.5px solid var(--line-strong);
  border-radius: var(--radio-s);
  background: var(--surface);
  color: var(--ink);
  font: 500 var(--t-s)/1.3 var(--font-body);
  padding: 9px 10px;
  max-width: 100%;
}

input[type="range"] { width: 100%; accent-color: var(--brand); }

/* Control segmentado (radios con aspecto de pastillas) */
.segmento {
  display: flex; flex-wrap: wrap; gap: 4px;
  padding: 4px;
  background: var(--surface-2);
  border-radius: 999px;
  border: 1px solid var(--line);
  width: fit-content;
  max-width: 100%;
}
.segmento label { position: relative; cursor: pointer; }
.segmento input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.segmento input + span {
  display: block;
  padding: 7px 14px;
  border-radius: 999px;
  font-weight: 700;
  font-size: var(--t-s);
  color: var(--ink-soft);
  white-space: nowrap;
}
.segmento input:checked + span { background: var(--surface); color: var(--brand); box-shadow: 0 1px 3px var(--sombra); }
.segmento input:focus-visible + span { outline: 3px solid var(--focus); outline-offset: 1px; }

.cabeza-formulario {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px;
  padding-bottom: 14px; margin-bottom: 18px;
  border-bottom: 1px dashed var(--line);
}
.cabeza-formulario h2 { font-size: var(--t-l); }
.moneda { display: inline-flex; align-items: center; gap: 8px; font-size: var(--t-xs); color: var(--ink-soft); font-weight: 700; }

.aviso { border-radius: var(--radio-s); padding: 10px 12px; font-size: var(--t-s); }
.aviso--error { background: var(--bad-soft); color: var(--bad); }
.aviso--ok { background: var(--ok-soft); color: var(--ok); }
.aviso--atencion { background: var(--warn-soft); color: var(--warn); }

.pastilla {
  display: inline-flex; align-items: center; gap: 6px;
  font: 700 var(--t-xs)/1 var(--font-body);
  padding: 5px 10px; border-radius: 999px;
  background: var(--surface-2); color: var(--ink-soft);
}
.pastilla--ok { background: var(--ok-soft); color: var(--ok); }
.pastilla--mal { background: var(--bad-soft); color: var(--bad); }
.pastilla--atencion { background: var(--warn-soft); color: var(--warn); }

/* --------------------------------------------------------------------------
   Herramienta: formulario + ticket
   -------------------------------------------------------------------------- */
.herramienta {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(16px, 3vw, 28px);
  align-items: start;
  padding-bottom: clamp(24px, 4vw, 40px);
}
@media (max-width: 860px) { .herramienta { grid-template-columns: minmax(0, 1fr); } }

.ticket-envoltura { filter: drop-shadow(0 8px 18px var(--sombra)); position: sticky; top: 16px; }
@media (max-width: 860px) { .ticket-envoltura { position: static; } }

.ticket {
  --diente: 9px;
  background: var(--surface);
  color: var(--ink);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  padding: 22px 22px calc(26px + var(--diente));
  border-radius: var(--radio) var(--radio) 0 0;
  -webkit-mask:
    linear-gradient(#000 0 0) top / 100% calc(100% - var(--diente)) no-repeat,
    conic-gradient(from -45deg at bottom, #0000, #000 1deg 89deg, #0000 90deg) bottom / calc(var(--diente) * 2) var(--diente) repeat-x;
          mask:
    linear-gradient(#000 0 0) top / 100% calc(100% - var(--diente)) no-repeat,
    conic-gradient(from -45deg at bottom, #0000, #000 1deg 89deg, #0000 90deg) bottom / calc(var(--diente) * 2) var(--diente) repeat-x;
}
.ticket__cabeza {
  display: flex; justify-content: space-between; gap: 10px;
  font-size: var(--t-xs); letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-soft);
  padding-bottom: 12px; border-bottom: 2px dashed var(--line);
}
.ticket__lineas { margin: 0; padding: 6px 0 0; display: grid; }
.ticket__lineas > div {
  display: flex; justify-content: space-between; align-items: baseline; gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dotted var(--line);
}
.ticket__lineas dt { font-size: var(--t-s); color: var(--ink-soft); font-family: var(--font-body); }
.ticket__lineas dd { margin: 0; font-weight: 600; text-align: right; font-size: var(--t-m); }
.ticket__total { border-bottom: 0 !important; padding-top: 16px !important; flex-wrap: wrap; }
.ticket__total dt { font-weight: 700; color: var(--ink) !important; font-size: var(--t-m) !important; }
.ticket__total dd { font-size: clamp(1.5rem, 1.2rem + 1.4vw, 2.05rem); font-weight: 600; letter-spacing: -0.02em; }
.ticket__nota { margin-top: 14px; padding-top: 12px; border-top: 2px dashed var(--line); font-family: var(--font-body); font-size: var(--t-xs); color: var(--ink-soft); line-height: 1.5; }
.ticket__nota strong { color: var(--ink); }

.barra-progreso { height: 12px; border-radius: 999px; background: var(--surface-2); overflow: hidden; border: 1px solid var(--line); }
.barra-progreso > span { display: block; height: 100%; background: var(--brand); border-radius: inherit; width: 0; transition: width 0.4s ease; }

/* Resultados extendidos: gráfico + tabla */
.resultados { display: grid; gap: clamp(16px, 3vw, 24px); padding-bottom: clamp(24px, 4vw, 40px); }
.resultados > * { min-width: 0; }
.bloque-titulo { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 14px; }
.bloque-titulo h2, .bloque-titulo h3 { font-size: var(--t-l); }

/* --------------------------------------------------------------------------
   Gráficos (SVG generados por comun.js)
   -------------------------------------------------------------------------- */
.grafico { width: 100%; min-height: 120px; }
.grafico svg { display: block; width: 100%; height: auto; overflow: visible; }
.g-grid { stroke: var(--line); stroke-width: 1; }
.g-base { stroke: var(--line-strong); stroke-width: 1.5; }
.g-eje { fill: var(--ink-soft); font-family: var(--font-mono); font-size: 11.5px; }
.g-barra { transition: opacity 0.15s ease; }
.g-barra:hover { opacity: 0.8; }
.s1 { fill: var(--chart-1); stroke: var(--chart-1); }
.s2 { fill: var(--chart-2); stroke: var(--chart-2); }
.s3 { fill: var(--chart-3); stroke: var(--chart-3); }
.s4 { fill: var(--chart-4); stroke: var(--chart-4); }
.s-mal { fill: var(--bad); stroke: var(--bad); }
.g-barra.s1, .g-barra.s2, .g-barra.s3, .g-barra.s4, .g-barra.s-mal { stroke: none; }
.g-linea { fill: none !important; stroke-width: 2.5; stroke-linejoin: round; stroke-linecap: round; }
.g-linea--punteada { stroke-dasharray: 6 5; }
.g-dona-fondo { fill: none; stroke: var(--surface-2); }
.g-dona-seg { fill: none !important; }
.g-centro-valor { fill: var(--ink); font-family: var(--font-mono); font-weight: 600; font-size: 17px; }
.g-centro-titulo { fill: var(--ink-soft); font-family: var(--font-body); font-size: 12px; }

.leyenda { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 12px 0 0; padding: 0; list-style: none; font-size: var(--t-s); color: var(--ink-soft); }
.leyenda li { display: inline-flex; align-items: center; gap: 8px; }
.leyenda i { width: 12px; height: 12px; border-radius: 3px; display: inline-block; flex: none; }
.leyenda i.s1 { background: var(--chart-1); }
.leyenda i.s2 { background: var(--chart-2); }
.leyenda i.s3 { background: var(--chart-3); }
.leyenda i.s4 { background: var(--chart-4); }
.leyenda i.s-mal { background: var(--bad); }
.leyenda strong { color: var(--ink); font-family: var(--font-mono); font-weight: 600; }

.dona { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; }
.dona .grafico { width: 220px; flex: none; min-height: 0; }
.dona .leyenda { flex-direction: column; gap: 10px; margin: 0; flex: 1 1 200px; min-width: 0; }

/* --------------------------------------------------------------------------
   Tablas
   -------------------------------------------------------------------------- */
.tabla-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radio-s); background: var(--surface); }
.tabla-scroll--alta { max-height: 460px; overflow-y: auto; }
.tabla { width: 100%; border-collapse: collapse; font-size: var(--t-s); }
.tabla th, .tabla td { padding: 9px 12px; text-align: right; white-space: nowrap; border-bottom: 1px solid var(--line); }
.tabla th:first-child, .tabla td:first-child { text-align: left; }
.tabla thead th {
  position: sticky; top: 0; z-index: 1;
  background: var(--surface-2);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--t-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
}
.tabla td { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.tabla td.texto { font-family: var(--font-body); white-space: normal; }
.tabla tbody tr:nth-child(even) > * { background: color-mix(in srgb, var(--surface-2) 45%, transparent); }
.tabla tfoot td { font-weight: 600; border-top: 2px solid var(--line-strong); border-bottom: 0; }
.tabla--texto td { font-family: var(--font-body); white-space: normal; text-align: left; }

/* --------------------------------------------------------------------------
   Artículo (contenido de lectura)
   -------------------------------------------------------------------------- */
.articulo { max-width: var(--medida); display: grid; gap: 18px; padding-bottom: clamp(32px, 5vw, 56px); }
.articulo > * { min-width: 0; }
.articulo h2 { font-size: var(--t-xl); margin-top: 22px; }
.articulo h3 { margin-top: 10px; }
.articulo p, .articulo li { line-height: 1.7; }
.articulo ul, .articulo ol { margin: 0; padding-left: 1.3em; display: grid; gap: 8px; }
.articulo li::marker { color: var(--brand); font-weight: 700; }
.articulo blockquote { margin: 0; padding: 4px 0 4px 18px; border-left: 3px solid var(--brand); color: var(--ink-soft); font-style: italic; }
.articulo .tabla-scroll { margin-block: 4px; }

.formula {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radio-s);
  padding: 14px 16px;
  overflow-x: auto;
  font-size: var(--t-m);
  white-space: nowrap;
}

.nota { background: var(--brand-soft); border-radius: var(--radio-s); padding: 14px 16px; display: grid; gap: 6px; }
.nota strong:first-child { color: var(--brand); }
.nota--atencion { background: var(--warn-soft); }
.nota--atencion strong:first-child { color: var(--warn); }

/* Ejemplo resuelto con aspecto de recibo */
.ejemplo {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  background: var(--surface);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radio-s);
  padding: 16px 18px;
  display: grid;
  gap: 6px;
  font-size: var(--t-s);
}
.ejemplo .ejemplo__titulo { font-family: var(--font-body); font-weight: 700; font-size: var(--t-xs); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft); }
.ejemplo .fila { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.ejemplo .fila--total { border-top: 1px dashed var(--line-strong); padding-top: 8px; margin-top: 4px; font-weight: 600; }

/* Preguntas frecuentes */
.faq { display: grid; gap: 10px; }
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radio-s); padding: 0 16px; }
.faq summary {
  cursor: pointer; list-style: none;
  font-weight: 700; padding: 14px 28px 14px 0; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  font-family: var(--font-mono); font-size: 1.3rem; color: var(--brand);
}
.faq details[open] summary::after { content: "−"; }
.faq details > div { padding: 0 0 16px; display: grid; gap: 10px; color: var(--ink-soft); }

/* --------------------------------------------------------------------------
   Tarjetas (calculadoras y guías relacionadas)
   -------------------------------------------------------------------------- */
.seccion { padding-block: clamp(32px, 5vw, 64px); }
.seccion__cabeza { display: grid; gap: 8px; margin-bottom: clamp(18px, 3vw, 28px); max-width: 62ch; }
.seccion__cabeza p { color: var(--ink-soft); }

.tarjetas { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 250px), 1fr)); gap: 14px; }
.tarjeta {
  display: grid; gap: 10px; align-content: start;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radio);
  padding: 18px;
  color: var(--ink);
  text-decoration: none;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.tarjeta:hover { border-color: var(--brand); color: var(--ink); transform: translateY(-2px); }
.tarjeta__formula {
  font-family: var(--font-mono); font-size: var(--t-xs); color: var(--brand);
  background: var(--brand-soft); border-radius: 6px; padding: 4px 8px; width: fit-content; max-width: 100%;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.tarjeta h3 { font-size: var(--t-l); }
.tarjeta p { color: var(--ink-soft); font-size: var(--t-s); line-height: 1.5; }
.tarjeta__ir { font-weight: 700; color: var(--brand); font-size: var(--t-s); }

/* --------------------------------------------------------------------------
   Llamadas a la acción
   -------------------------------------------------------------------------- */
.banda-producto { background: var(--brand); color: var(--brand-ink); }
.banda-producto .envoltura {
  display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); gap: clamp(20px, 4vw, 48px);
  align-items: center; padding-block: clamp(32px, 5vw, 56px);
}
.banda-producto h2 { color: var(--brand-ink); font-size: var(--t-2xl); }
.banda-producto p { color: var(--brand-ink); opacity: 0.92; }
.banda-producto .contenido { display: grid; gap: 14px; min-width: 0; }
.banda-producto .boton { background: var(--cta-bg); border-color: var(--cta-bg); color: var(--cta-ink); width: fit-content; }
.banda-producto .boton:hover { background: var(--cta-bg); border-color: var(--cta-bg); color: var(--cta-ink); filter: brightness(0.94); }
.banda-producto img { border-radius: var(--radio); box-shadow: 0 14px 40px rgba(0, 0, 0, 0.25); width: 100%; }
.banda-producto .antetitulo { color: var(--brand-ink); opacity: 0.85; }
.banda-producto .precio { font-family: var(--font-mono); font-size: var(--t-l); }
.banda-producto .precio s { opacity: 0.7; margin-left: 8px; font-size: var(--t-s); }
@media (max-width: 760px) { .banda-producto .envoltura { grid-template-columns: minmax(0, 1fr); } }

.caja-guia {
  display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 18px; align-items: center;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radio); padding: 18px;
}
.caja-guia img { width: 96px; border-radius: 6px; box-shadow: 0 6px 16px var(--sombra); }
.caja-guia .contenido { display: grid; gap: 8px; min-width: 0; }
@media (max-width: 480px) { .caja-guia { grid-template-columns: minmax(0, 1fr); } }

.form-boletin { display: flex; flex-wrap: wrap; gap: 8px; }
.form-boletin input[type="email"] {
  flex: 1 1 220px; min-width: 0;
  border: 1.5px solid var(--line-strong); border-radius: 999px; padding: 12px 16px;
  font: var(--t-m) var(--font-body); background: var(--surface); color: var(--ink);
}

/* --------------------------------------------------------------------------
   Publicidad (los bloques vacíos no se muestran)
   -------------------------------------------------------------------------- */
.anuncio { max-width: var(--ancho); margin: 8px auto 32px; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); text-align: center; }
.anuncio:empty { display: none; }
.anuncio__etiqueta { display: block; font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 4px; }

.afiliado { font-size: var(--t-xs); color: var(--ink-soft); }

/* --------------------------------------------------------------------------
   Pie de página
   -------------------------------------------------------------------------- */
.pie { background: var(--surface); border-top: 1px solid var(--line); margin-top: clamp(24px, 4vw, 48px); }
.pie__rejilla {
  display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr)); gap: 28px;
  padding-block: clamp(32px, 5vw, 48px);
}
.pie h2 { font-size: var(--t-xs); font-family: var(--font-body); text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-soft); margin-bottom: 12px; font-weight: 700; }
.pie ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.pie a { color: var(--ink); text-decoration: none; font-size: var(--t-s); }
.pie a:hover { color: var(--brand); text-decoration: underline; }
.pie__marca { display: grid; gap: 12px; align-content: start; }
.pie__marca p { color: var(--ink-soft); font-size: var(--t-s); max-width: 36ch; }
.pie__legal { border-top: 1px solid var(--line); padding-block: 18px; font-size: var(--t-xs); color: var(--ink-soft); display: grid; gap: 6px; }
@media (max-width: 860px) { .pie__rejilla { grid-template-columns: repeat(2, minmax(0, 1fr)); } .pie__marca { grid-column: 1 / -1; } }
@media (max-width: 420px) { .pie__rejilla { grid-template-columns: minmax(0, 1fr); } }

/* --------------------------------------------------------------------------
   Utilidades
   -------------------------------------------------------------------------- */
.pila { display: grid; gap: 14px; }
.fila-flex { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.texto-suave { color: var(--ink-soft); }
.centro { text-align: center; }