/* =============================================================
   CuántoFacturo — hoja de estilos única
   1. Tokens · 2. Reset · 3. Utilidades · 4. Tipografía
   5. Cabecera · 6. Intro · 7. Herramienta (formulario)
   8. Vista previa y documento · 9. Anuncios · 10. Secciones
   11. Pie · 12. Diálogos · 13. Responsive · 14. Reduced motion
   ============================================================= */

/* ============================ 1. TOKENS ===================== */
:root {
  --tinta:        #171a2e;
  --tinta-media:  #4b5068;
  --tinta-suave:  #767c94;
  --fondo:        #f3f4f9;
  --fondo-alt:    #ffffff;
  --papel:        #ffffff;
  --linea:        #e4e6f0;
  --linea-fuerte: #cdd0e0;
  --marca:        #4f46e5;
  --marca-osc:    #3730a3;
  --marca-tenue:  #eef0fe;
  --exito:        #0f766e;
  --alerta:       #b45309;
  --peligro:      #be123c;

  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --display: "Manrope", var(--sans);

  --r-s: 8px;
  --r-m: 12px;
  --r-l: 18px;

  --sombra-s: 0 1px 2px rgba(23, 26, 46, .06), 0 1px 3px rgba(23, 26, 46, .05);
  --sombra-m: 0 4px 16px rgba(23, 26, 46, .07), 0 1px 3px rgba(23, 26, 46, .05);
  --sombra-l: 0 18px 50px rgba(23, 26, 46, .14);

  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --gutter: clamp(1rem, 4vw, 2.5rem);
}

/* ============================ 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: 1.62;
  color: var(--tinta);
  background: var(--fondo);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
[hidden] { display: none !important; }
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.14; letter-spacing: -.02em; font-family: var(--display); }
code {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .92em; background: var(--marca-tenue); color: var(--marca-osc);
  padding: .1em .38em; border-radius: 5px;
}
::selection { background: var(--marca); color: #fff; }
:focus-visible { outline: 2px solid var(--marca); outline-offset: 2px; border-radius: 5px; }

/* ============================ 3. UTILIDADES ================= */
.contenedor { width: 100%; max-width: 1280px; margin-inline: auto; padding-inline: var(--gutter); }
.contenedor--estrecho { max-width: 820px; }

.skip-link {
  position: fixed; top: -100px; left: 1rem; z-index: 999;
  padding: .6rem 1rem; background: var(--tinta); color: #fff;
  border-radius: var(--r-s); font-weight: 600;
}
.skip-link:focus { top: 1rem; }

/* ============================ 4. TIPOGRAFÍA ================= */
h1 { font-size: clamp(1.85rem, 1.1rem + 2.6vw, 2.9rem); font-weight: 800; }
h2 { font-size: clamp(1.4rem, 1rem + 1.5vw, 2.1rem); font-weight: 800; }
h3 { font-size: 1.06rem; font-weight: 700; letter-spacing: -.01em; }

/* ============================ 5. CABECERA =================== */
.cabecera {
  position: sticky; top: 0; z-index: 40;
  background: rgba(255, 255, 255, .9);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--linea);
}
.cabecera__fila { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 62px; }
.marca { display: inline-flex; align-items: center; gap: .55rem; }
.marca__icono { width: 26px; height: 26px; fill: none; stroke: var(--marca); stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.marca__texto { font-family: var(--display); font-weight: 700; font-size: 1.12rem; letter-spacing: -.02em; }
.marca__texto b { font-weight: 800; color: var(--marca); }
.cabecera__nav { display: flex; gap: 1.4rem; font-size: .93rem; font-weight: 500; color: var(--tinta-media); }
.cabecera__nav a { transition: color .2s var(--ease-out); }
.cabecera__nav a:hover { color: var(--marca); }

/* ============================ 6. INTRO ====================== */
.intro { padding: clamp(1.6rem, 4vw, 3rem) 0 1.4rem; }
.intro__caja { max-width: 760px; }
.intro__sub { margin-top: .8rem; font-size: clamp(1rem, .95rem + .25vw, 1.13rem); color: var(--tinta-media); }
.intro__privacidad {
  margin-top: 1rem; display: inline-block;
  background: #e8f5f2; color: #0b5a54; border: 1px solid #bfe3dd;
  padding: .5rem .85rem; border-radius: 999px; font-size: .89rem;
}
.intro__privacidad b { font-weight: 700; }
.intro__privacidad span { margin-right: .35rem; }

/* ============================ 7. HERRAMIENTA ================ */
.app { padding-bottom: 2.5rem; }
.app__rejilla { display: grid; gap: 1.25rem; align-items: start; }

.panel {
  background: var(--papel);
  border: 1px solid var(--linea);
  border-radius: var(--r-l);
  box-shadow: var(--sombra-m);
}
.panel--form { padding: clamp(1rem, 2.5vw, 1.6rem); }

.aviso-js {
  background: #fff4e5; border: 1px solid #f5d9b0; color: #7a4a08;
  padding: .8rem 1rem; border-radius: var(--r-m); margin-bottom: 1rem; font-size: .92rem;
}

.bloque { border: 0; padding: 0; margin: 0 0 1.5rem; display: grid; grid-template-columns: 1fr 1fr; gap: .85rem; }
.bloque:last-of-type { margin-bottom: 1rem; }
.bloque__titulo {
  grid-column: 1 / -1; padding: 0; margin-bottom: .1rem;
  font-family: var(--display); font-weight: 800; font-size: .84rem;
  text-transform: uppercase; letter-spacing: .09em; color: var(--marca);
}
.bloque__nota { font-weight: 500; text-transform: none; letter-spacing: 0; color: var(--tinta-suave); font-size: .84rem; margin-left: .35rem; }

.campo { display: flex; flex-direction: column; gap: .3rem; min-width: 0; }
.campo--ancho { grid-column: 1 / -1; }
.campo label, .etiqueta { font-size: .82rem; font-weight: 600; color: var(--tinta-media); }
.campo abbr { color: var(--peligro); text-decoration: none; font-weight: 700; }
.campo__opcional { font-weight: 500; color: var(--tinta-suave); }
.campo__pista { font-size: .76rem; color: var(--tinta-suave); min-height: 0; }
.campo__pista:empty { display: none; }
.campo__pista--alerta { color: var(--alerta); }
.campo__pista--ok { color: var(--exito); }

input[type="text"], input[type="email"], input[type="tel"], input[type="date"],
input[type="number"], select, textarea {
  width: 100%; padding: .58rem .7rem;
  font: inherit; font-size: .94rem; color: var(--tinta);
  background: #fbfbfe; border: 1px solid var(--linea-fuerte); border-radius: var(--r-s);
  transition: border-color .18s var(--ease-out), box-shadow .18s var(--ease-out), background .18s var(--ease-out);
}
textarea { resize: vertical; line-height: 1.45; }
input:hover, select:hover, textarea:hover { border-color: #b6bad0; }
input:focus, select:focus, textarea:focus {
  outline: none; background: #fff;
  border-color: var(--marca); box-shadow: 0 0 0 3px rgba(79, 70, 229, .14);
}
input.error, select.error { border-color: var(--peligro); box-shadow: 0 0 0 3px rgba(190, 18, 60, .12); }
select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 4.5 6 8l3.5-3.5' fill='none' stroke='%234b5068' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right .6rem center; background-size: 12px;
  padding-right: 1.9rem;
}

/* --- logo --- */
.logo-fila { display: flex; align-items: center; gap: .7rem; flex-wrap: wrap; }
.logo-mini {
  width: 46px; height: 46px; object-fit: contain;
  border: 1px solid var(--linea); border-radius: var(--r-s); padding: 3px; background: #fff;
}

/* --- líneas de concepto --- */
.lineas { grid-column: 1 / -1; display: flex; flex-direction: column; gap: .7rem; }
.linea {
  display: grid; gap: .5rem;
  grid-template-columns: 1fr;
  padding: .75rem; background: #fafaff;
  border: 1px solid var(--linea); border-radius: var(--r-m);
}
.linea__cabecera { display: flex; align-items: center; justify-content: space-between; gap: .5rem; }
.linea__num { font-size: .74rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--tinta-suave); }
.linea__quitar {
  width: 26px; height: 26px; display: grid; place-items: center;
  border-radius: 50%; color: var(--tinta-suave);
  transition: background .18s var(--ease-out), color .18s var(--ease-out);
}
.linea__quitar svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
.linea__quitar:hover { background: #fde8ee; color: var(--peligro); }
.linea__quitar[disabled] { opacity: .3; cursor: not-allowed; }
.linea__nums { display: grid; grid-template-columns: repeat(2, 1fr); gap: .5rem; }
.linea__importe {
  grid-column: 1 / -1; text-align: right; font-size: .84rem; color: var(--tinta-media);
  border-top: 1px dashed var(--linea-fuerte); padding-top: .45rem;
}
.linea__importe b { font-family: var(--display); font-weight: 800; color: var(--tinta); font-size: .98rem; }

/* --- plantillas y acentos --- */
.plantillas { display: grid; grid-template-columns: repeat(3, 1fr); gap: .55rem; }
.plantilla {
  display: flex; flex-direction: column; align-items: center; gap: .4rem;
  padding: .6rem .35rem; border: 1.5px solid var(--linea-fuerte); border-radius: var(--r-m);
  background: #fff; transition: border-color .18s var(--ease-out), box-shadow .18s var(--ease-out);
}
.plantilla:hover { border-color: #a8adc9; }
.plantilla[aria-checked="true"] { border-color: var(--marca); box-shadow: 0 0 0 3px rgba(79, 70, 229, .12); }
.plantilla__nombre { font-size: .78rem; font-weight: 600; color: var(--tinta-media); }
.plantilla__mini { width: 100%; height: 40px; border-radius: 4px; border: 1px solid var(--linea); background: #fff; position: relative; overflow: hidden; }
.plantilla__mini::before, .plantilla__mini::after { content: ""; position: absolute; }
.plantilla__mini--clasica::before { inset: 0 0 auto 0; height: 7px; background: var(--marca); }
.plantilla__mini--clasica::after { inset: 14px 6px auto 6px; height: 3px; background: var(--linea-fuerte); box-shadow: 0 6px 0 var(--linea-fuerte), 0 12px 0 var(--linea-fuerte); }
.plantilla__mini--moderna::before { inset: 0 0 auto 0; height: 16px; background: var(--marca); }
.plantilla__mini--moderna::after { inset: 22px 6px auto 6px; height: 3px; background: var(--linea-fuerte); box-shadow: 0 6px 0 var(--linea-fuerte); }
.plantilla__mini--minimal::before { inset: 11px 6px auto 6px; height: 1.5px; background: var(--marca); }
.plantilla__mini--minimal::after { inset: 18px 6px auto 6px; height: 3px; background: var(--linea-fuerte); box-shadow: 0 6px 0 var(--linea-fuerte), 0 12px 0 var(--linea-fuerte); }

.acentos { display: flex; flex-wrap: wrap; gap: .5rem; }
.acento {
  width: 32px; height: 32px; border-radius: 50%; border: 2px solid #fff;
  box-shadow: 0 0 0 1.5px var(--linea-fuerte);
  transition: box-shadow .18s var(--ease-out), transform .18s var(--ease-out);
}
.acento:hover { transform: translateY(-1px); }
.acento[aria-checked="true"] { box-shadow: 0 0 0 2.5px var(--tinta); }
.acento--libre { display: grid; place-items: center; background: conic-gradient(#ef4444, #eab308, #22c55e, #3b82f6, #a855f7, #ef4444); position: relative; overflow: hidden; }
.acento--libre input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }

/* --- botones --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .68rem 1.1rem; border-radius: var(--r-s);
  font-family: var(--display); font-weight: 700; font-size: .95rem;
  transition: background .2s var(--ease-out), color .2s var(--ease-out), transform .12s var(--ease-out), box-shadow .2s var(--ease-out);
}
.btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.btn--principal { background: var(--marca); color: #fff; box-shadow: 0 4px 14px rgba(79, 70, 229, .28); width: 100%; padding-block: .85rem; font-size: 1.02rem; }
.btn--principal:hover { background: var(--marca-osc); }
.btn--principal:active { transform: translateY(1px); }
.btn--principal[disabled] { opacity: .6; cursor: progress; }
.btn--suave { background: var(--marca-tenue); color: var(--marca-osc); }
.btn--suave:hover { background: #e2e5fd; }
.btn--anadir { grid-column: 1 / -1; justify-self: start; }
.btn-texto {
  font-size: .85rem; font-weight: 600; color: var(--tinta-suave);
  text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px;
  transition: color .18s var(--ease-out);
}
.btn-texto:hover { color: var(--tinta); }
.btn-texto--peligro:hover { color: var(--peligro); }

.acciones { display: flex; flex-direction: column; align-items: center; gap: .6rem; padding-top: .3rem; }
.acciones__nota { font-size: .8rem; color: var(--tinta-suave); text-align: center; }

/* ============================ 8. VISTA PREVIA =============== */
.panel--vista { display: flex; flex-direction: column; overflow: hidden; background: #eceef6; }
.vista__barra {
  display: flex; align-items: center; gap: .7rem;
  padding: .7rem 1rem; background: var(--papel); border-bottom: 1px solid var(--linea);
}
.vista__titulo { font-family: var(--display); font-weight: 700; font-size: .88rem; text-transform: uppercase; letter-spacing: .08em; color: var(--tinta-media); }
.vista__aviso { font-size: .78rem; color: var(--tinta-suave); margin-right: auto; }
.vista__cerrar { display: none; }
.vista__lienzo { overflow: auto; padding: 1rem; flex: 1; }
.hoja-escala { position: relative; }
.hoja {
  width: 794px; min-height: 1123px;
  transform-origin: top left;
  background: #fff; box-shadow: var(--sombra-l);
  padding: 56px;
  font-size: 13px; line-height: 1.5; color: #1c1f2e;
}

/* ---------- el documento ---------- */
.doc { --acento: #4f46e5; display: flex; flex-direction: column; min-height: 1011px; }
.doc__cab { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; }
.doc__logo { max-width: 170px; max-height: 74px; object-fit: contain; margin-bottom: 10px; }
.doc__emisor-nombre { font-family: var(--display); font-size: 19px; font-weight: 800; letter-spacing: -.02em; line-height: 1.2; }
.doc__lineas { margin-top: 5px; color: #565b70; font-size: 12px; line-height: 1.5; }
.doc__meta { text-align: right; flex-shrink: 0; }
.doc__meta-titulo { font-family: var(--display); font-size: 27px; font-weight: 800; letter-spacing: -.03em; color: var(--acento); line-height: 1; }
.doc__meta-num { margin-top: 6px; font-size: 14px; font-weight: 700; }
.doc__meta-fechas { margin-top: 6px; font-size: 12px; color: #565b70; }
.doc__meta-fechas span { display: block; }

.doc__partes { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 30px; }
.doc__parte-rot { font-size: 10px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--acento); margin-bottom: 5px; }
.doc__parte-nombre { font-weight: 700; font-size: 13.5px; }
.doc__parte-lineas { color: #565b70; font-size: 12px; margin-top: 3px; }

.doc__tabla { width: 100%; border-collapse: collapse; margin-top: 26px; font-size: 12px; }
.doc__tabla th {
  text-align: left; font-size: 10px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  padding: 8px 8px; color: #3a3f55;
}
.doc__tabla td { padding: 9px 8px; vertical-align: top; border-bottom: 1px solid #ecedf3; }
.doc__tabla .num { text-align: right; white-space: nowrap; }
.doc__tabla .desc { width: 42%; }
.doc__tabla .desc small { display: block; color: #767c94; font-size: 11px; }

.doc__cierre { margin-top: 22px; display: flex; justify-content: space-between; gap: 26px; align-items: flex-start; }
.doc__izq { flex: 1; min-width: 0; }
.doc__caja { margin-bottom: 14px; }
.doc__caja-rot { font-size: 10px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--acento); margin-bottom: 4px; }
.doc__caja p { font-size: 11.5px; color: #565b70; }
.doc__caja b { color: #1c1f2e; }

.doc__totales { width: 292px; flex-shrink: 0; font-size: 12px; }
.doc__total-fila { display: flex; justify-content: space-between; gap: 12px; padding: 5px 0; }
.doc__total-fila span:last-child { font-variant-numeric: tabular-nums; }
.doc__total-fila--sep { border-top: 1px solid #e4e6f0; margin-top: 4px; padding-top: 8px; }
.doc__total-fila--irpf { color: #b04a1a; }
.doc__total-final {
  display: flex; justify-content: space-between; gap: 12px; align-items: baseline;
  margin-top: 8px; padding: 10px 12px; border-radius: 6px;
  font-family: var(--display); font-weight: 800;
}
.doc__total-final span:first-child { font-size: 12px; letter-spacing: .04em; word-spacing: .12em; text-transform: uppercase; }
.doc__total-final span:last-child { font-size: 19px; font-variant-numeric: tabular-nums; }

.doc__pie { margin-top: auto; padding-top: 20px; font-size: 10.5px; color: #8c92a8; text-align: center; }
.doc__salto { margin-top: 14px; border-top: 1px dashed #c9cddd; padding-top: 6px; font-size: 10px; color: #9aa0b4; text-align: center; }
.doc__vacio { color: #a2a7bb; font-style: italic; }

/* --- plantilla clásica --- */
.doc--clasica .doc__cab { padding-top: 18px; }
.doc--clasica::before { content: ""; display: block; height: 9px; background: var(--acento); margin: -56px -56px 0; }
.doc--clasica .doc__tabla thead tr { background: color-mix(in srgb, var(--acento) 9%, #fff); }
.doc--clasica .doc__tabla thead th { border-bottom: 2px solid var(--acento); }
.doc--clasica .doc__total-final { background: color-mix(in srgb, var(--acento) 11%, #fff); color: var(--acento); }

/* --- plantilla moderna --- */
.doc--moderna { }
.doc--moderna .doc__cab {
  background: var(--acento); color: #fff;
  margin: -56px -56px 0; padding: 30px 56px 26px;
}
.doc--moderna .doc__lineas { color: rgba(255, 255, 255, .82); }
.doc--moderna .doc__meta-titulo { color: #fff; }
.doc--moderna .doc__meta-fechas { color: rgba(255, 255, 255, .82); }
.doc--moderna .doc__partes { margin-top: 26px; }
.doc--moderna .doc__tabla thead tr { background: var(--acento); }
.doc--moderna .doc__tabla thead th { color: #fff; }
.doc--moderna .doc__tabla thead th:first-child { border-radius: 5px 0 0 5px; }
.doc--moderna .doc__tabla thead th:last-child { border-radius: 0 5px 5px 0; }
.doc--moderna .doc__total-final { background: var(--acento); color: #fff; }

/* --- plantilla minimal --- */
.doc--minimal .doc__cab { padding-bottom: 16px; border-bottom: 1.5px solid var(--acento); }
.doc--minimal .doc__meta-titulo { font-size: 23px; font-weight: 700; color: #1c1f2e; }
.doc--minimal .doc__tabla thead th { border-bottom: 1px solid #1c1f2e; }
.doc--minimal .doc__parte-rot, .doc--minimal .doc__caja-rot { color: #8c92a8; }
.doc--minimal .doc__total-final { padding-inline: 0; border-top: 1.5px solid var(--acento); border-radius: 0; color: #1c1f2e; }

/* --- botón flotante móvil --- */
.ver-vista {
  position: fixed; z-index: 35; left: 50%; bottom: 1rem; transform: translateX(-50%);
  display: none; align-items: center; gap: .5rem;
  padding: .7rem 1.3rem; border-radius: 999px;
  background: var(--tinta); color: #fff; font-family: var(--display); font-weight: 700; font-size: .92rem;
  box-shadow: 0 8px 26px rgba(23, 26, 46, .3);
}
.ver-vista svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

/* ============================ 9. ANUNCIOS =================== */
.anuncio {
  position: relative; display: grid; place-items: center;
  border: 1px dashed var(--linea-fuerte); border-radius: var(--r-m);
  background: repeating-linear-gradient(45deg, #fafbff, #fafbff 10px, #f4f5fa 10px, #f4f5fa 20px);
  color: var(--tinta-suave);
}
.anuncio__etiqueta { font-family: var(--display); font-size: .72rem; font-weight: 800; letter-spacing: .22em; }
.anuncio--banner { min-height: 96px; margin: 1.5rem 0; }
.anuncio--rectangulo { min-height: 258px; max-width: 340px; margin: 2rem auto; }
/* Dentro del FAQ el ancho es menor, asi que respira distinto. */
.anuncio--faq { min-height: 110px; margin: 1.6rem 0 1.2rem; }


/* ============================ 10. SECCIONES ================= */
.seccion { padding: clamp(2.2rem, 5vw, 3.8rem) 0; }
.seccion--alterna { background: var(--fondo-alt); border-block: 1px solid var(--linea); }
.seccion__entrada { margin-top: .7rem; max-width: 70ch; color: var(--tinta-media); }
.seccion__nota { margin-top: 1.6rem; font-size: .92rem; color: var(--tinta-media); border-left: 3px solid var(--marca); padding-left: .9rem; max-width: 78ch; }

.pasos { list-style: none; padding: 0; margin-top: 1.8rem; display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.paso { background: var(--papel); border: 1px solid var(--linea); border-radius: var(--r-l); padding: 1.3rem; box-shadow: var(--sombra-s); }
.paso__num {
  display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%;
  background: var(--marca); color: #fff; font-family: var(--display); font-weight: 800; font-size: 1rem;
  margin-bottom: .8rem;
}
.paso h3 { margin-bottom: .4rem; }
.paso p { font-size: .93rem; color: var(--tinta-media); }

.requisitos { margin-top: 1.8rem; display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); }
.requisito { background: var(--fondo); border: 1px solid var(--linea); border-radius: var(--r-m); padding: 1.1rem 1.2rem; }
.requisito h3 { color: var(--marca-osc); margin-bottom: .35rem; }
.requisito p { font-size: .91rem; color: var(--tinta-media); }

.ideas { margin-top: 1.8rem; display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(255px, 1fr)); }
.idea { background: var(--papel); border: 1px solid var(--linea); border-radius: var(--r-m); padding: 1.1rem 1.2rem; box-shadow: var(--sombra-s); }
.idea h3 { margin-bottom: .35rem; }
.idea p { font-size: .91rem; color: var(--tinta-media); }

.faq { border-bottom: 1px solid var(--linea); }
.faq:first-of-type { border-top: 1px solid var(--linea); margin-top: 1.6rem; }
.faq summary {
  cursor: pointer; list-style: none; padding: 1.05rem 2.2rem 1.05rem 0; position: relative;
  font-family: var(--display); font-weight: 700; font-size: 1.02rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; position: absolute; right: .5rem; top: 1.45rem;
  width: 10px; height: 10px; border-right: 2px solid var(--marca); border-bottom: 2px solid var(--marca);
  transform: rotate(45deg); transition: transform .22s var(--ease-out);
}
.faq[open] summary::after { transform: rotate(-135deg); }
.faq__cuerpo { padding-bottom: 1.1rem; display: grid; gap: .7rem; }
.faq__cuerpo p { font-size: .95rem; color: var(--tinta-media); }

.seccion--aviso { padding-top: 0; }
.aviso-fiscal { background: #fff8ec; border: 1px solid #f0dcb8; border-radius: var(--r-l); padding: clamp(1.2rem, 3vw, 1.8rem); }
.aviso-fiscal h2 { font-size: 1.15rem; color: #7a4a08; }
.aviso-fiscal p { margin-top: .6rem; font-size: .93rem; color: #6b5228; }

/* ============================ 11. PIE ======================= */
.pie { background: var(--tinta); color: #c9cddd; padding: 2.4rem 0 1.4rem; }
.pie__fila { display: flex; flex-wrap: wrap; gap: 1.6rem; justify-content: space-between; }
.pie__marca { max-width: 46ch; }
.pie__marca .marca__texto { color: #fff; font-size: 1.1rem; }
.pie__marca .marca__texto b { color: #a5b4fc; }
.pie__marca p { margin-top: .5rem; font-size: .88rem; color: #9aa0b8; }
.pie__enlaces { display: flex; flex-direction: column; gap: .45rem; font-size: .9rem; }
.pie__enlaces a { color: #c9cddd; transition: color .18s var(--ease-out); }
.pie__enlaces a:hover { color: #fff; }
.pie__legal { margin-top: 1.8rem; padding-top: 1rem; border-top: 1px solid rgba(255, 255, 255, .1); }
.pie__legal p { font-size: .8rem; color: #7f8599; }

/* ============================ 12. DIÁLOGOS ================== */
dialog { border: 0; padding: 0; background: transparent; max-width: min(92vw, 460px); }
dialog::backdrop { background: rgba(15, 17, 32, .55); backdrop-filter: blur(2px); }
.modal-validacion__caja {
  position: relative; background: var(--papel); border-radius: var(--r-l);
  padding: 1.5rem; box-shadow: var(--sombra-l);
}

.modal-validacion__caja h2 { font-size: 1.2rem; }
.modal-validacion__caja > p { margin-top: .5rem; font-size: .92rem; color: var(--tinta-media); }
.modal-validacion__caja ul { margin: .9rem 0 0; padding-left: 1.1rem; display: grid; gap: .3rem; }
.modal-validacion__caja li { font-size: .92rem; color: var(--peligro); font-weight: 500; }
.modal-validacion__acciones { margin-top: 1.3rem; display: flex; flex-direction: column; align-items: center; gap: .7rem; }

/* ============================ 13. RESPONSIVE ================ */
@media (max-width: 1099px) {
  .panel--vista {
    position: fixed; inset: 0; z-index: 60; border-radius: 0; border: 0;
    display: none;
  }
  body.vista-abierta { overflow: hidden; }
  body.vista-abierta .panel--vista { display: flex; }
  .vista__cerrar { display: inline; margin-left: auto; }
  .vista__aviso { margin-right: 0; }
  .ver-vista { display: inline-flex; }
  .app { padding-bottom: 5rem; }
}

@media (min-width: 540px) {
  .linea { grid-template-columns: 1fr; }
  .linea__nums { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 720px) {
  .plantillas { max-width: 420px; }
}

@media (min-width: 1100px) {
  .app__rejilla { grid-template-columns: minmax(0, 460px) minmax(0, 1fr); gap: 1.5rem; }
  .panel--vista { position: sticky; top: 78px; max-height: calc(100vh - 96px); }
  .cabecera__nav { gap: 1.8rem; }
}

@media (min-width: 1280px) {
  .app__rejilla { grid-template-columns: minmax(0, 500px) minmax(0, 1fr); }
}

@media (max-width: 460px) {
  .bloque { grid-template-columns: 1fr; }
  .linea__nums { grid-template-columns: repeat(2, 1fr); }
}

/* ============================ 14. IMPRESIÓN ================= */
@media print {
  .cabecera, .intro, .ver-vista, .anuncio, .pie, .seccion, .panel--form, .vista__barra { display: none !important; }
  .panel--vista { position: static; max-height: none; border: 0; box-shadow: none; background: #fff; }
  .vista__lienzo { overflow: visible; padding: 0; }
  .hoja { transform: none !important; box-shadow: none; }
}

/* ==================== 15. MOVIMIENTO REDUCIDO =============== */
/* Solo se desactiva lo intrusivo: la entrada del aviso de la esquina. */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* ==================== 16. PAGINAS LEGALES =================== */
.legal h1 { margin-bottom: .3rem; }
.legal h2 { font-size: 1.16rem; margin-top: 2rem; }
.legal p { margin-top: .7rem; color: var(--tinta-media); font-size: .96rem; }
.legal ul { margin-top: .7rem; padding-left: 1.2rem; display: grid; gap: .4rem; }
.legal li { color: var(--tinta-media); font-size: .96rem; }
.legal b { color: var(--tinta); }
.legal a { color: var(--marca); text-decoration: underline; text-underline-offset: 2px; }
.legal a:hover { color: var(--marca-osc); }
.legal__datos {
  margin-top: .9rem; padding: 1rem 1.15rem;
  background: var(--fondo); border: 1px solid var(--linea); border-radius: var(--r-m);
  line-height: 1.85;
}