/* ==========================================================================
   codicefiscalecalcola.it — app.css (F1, dirección "Verde istituzionale")
   Un solo archivo, sin frameworks, mobile-first, CLS 0.
   Contrato: los nombres de clase y la estructura que inyecta cf-ui.js NO cambian.
   Orden: tokens · reset · layout · header · footer · hero · tool · form
          · autocomplete · resultado · tabla · infografías · contenido · faq
          · a11y · desktop · print
   ========================================================================== */

/* ---------------------------------------------------------------- 1. tokens */
:root {
  /* marca */
  --c-brand:        #006341;
  --c-brand-dark:   #005034;
  --c-brand-tint:   #e6f0eb;
  --c-brand-ink:    #ffffff;

  /* texto y superficies */
  --c-text:         #14181a;
  --c-text-soft:    #4a5250;
  --c-muted:        #5b6469;
  --c-bg:           #ffffff;
  --c-surface:      #f6f9f7;
  --c-line:         #e4e8e6;
  --c-line-strong:  #cfd6d2;

  /* semánticos */
  --c-ok:           #006341;
  --c-ok-tint:      #e6f0eb;
  --c-error:        #b3261e;
  --c-error-tint:   #fceceb;

  /* tipografía */
  --f-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", "SF Mono", Consolas, monospace;

  /* radios, sombras, medidas */
  --r-sm: 6px;
  --r-md: 9px;
  --r-lg: 12px;
  --sh-pop:  0 16px 32px -14px rgba(16, 32, 24, .34);
  --sh-card: 0 10px 24px -16px rgba(0, 60, 40, .5);
  --tap: 44px;
  --w-max: 67rem;      /* 1072px: entra form (40rem) + gap (1,625) + tarjeta (23,25) + padding */
  --w-tool: 40rem;
  --w-text: 44rem;     /* lectura cómoda en mobile/tablet */
  --w-wide: 64.875rem; /* = form + gap + tarjeta: el eje ancho del desktop */
}

/* Un solo peso, subseteado a A-Z 0-9 y puntuación mínima.
   Preload recomendado en layout.php (ver README-diseno.md). */
@font-face {
  font-family: "IBM Plex Mono";
  src: url("/assets/fonts/ibm-plex-mono-600-subset.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

/* ----------------------------------------------------------------- 2. reset */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--f-sans);
  font-size: 1rem;
  line-height: 1.55;
  text-wrap: pretty;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  line-height: 1.15;
  letter-spacing: -.02em;
  font-weight: 650;
  margin: 0 0 .5rem;
  text-wrap: balance;
}

a {
  color: var(--c-brand);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}
a:hover { color: var(--c-brand-dark); }

strong, b { font-weight: 650; }
small { font-size: .8125rem; }
img, svg { max-width: 100%; }

/* ---------------------------------------------------------------- 3. layout */
.wrap {
  width: 100%;
  max-width: var(--w-max);
  margin-inline: auto;
  padding-inline: 1rem;
}

main { display: block; }

/* utilidad: solo para lectores de pantalla */
.u-sr {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* ---------------------------------------------------------------- 4. header */
.site-header {
  background: var(--c-bg);
  border-bottom: 1px solid var(--c-line);
}

.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  padding-block: .625rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin-right: auto;
  color: var(--c-text);
  font-weight: 650;
  font-size: .9375rem;
  letter-spacing: -.01em;
  text-decoration: none;
}
/* La marca es una imagen (tarjeta + check). Alto/ancho fijos para que no haya
   salto de layout mientras carga. */
.brand-mark {
  display: block;
  width: 1.625rem;
  height: 1.625rem;
  flex: none;
}
.brand b { color: var(--c-brand); font-weight: 650; }

.header-actions {
  display: flex;
  align-items: center;
  gap: .375rem;
}

/* caret compartido por todos los desplegables */
.caret {
  width: 0; height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  opacity: .55;
  transition: transform .12s ease;
}
[aria-expanded="true"] .caret { transform: rotate(180deg); opacity: 1; }

/* botón chip (idioma) y botón de dropdown (Guide) */
.lang-btn,
.dd-btn {
  display: flex;
  align-items: center;
  gap: .4375rem;
  min-height: var(--tap);
  padding: 0 .6875rem;
  border: 1px solid var(--c-line-strong);
  border-radius: 8px;
  background: var(--c-bg);
  color: var(--c-text);
  font: 600 .75rem/1 var(--f-mono);
  letter-spacing: .06em;
  cursor: pointer;
}
.lang-btn:hover,
.dd-btn:hover { border-color: var(--c-brand); color: var(--c-brand); }
.lang-btn[aria-expanded="true"] {
  border: 1.5px solid var(--c-brand);
  background: var(--c-brand-tint);
  color: var(--c-brand);
}

/* hamburger */
.nav-toggle {
  display: grid;
  place-items: center;
  align-content: center;
  gap: 4px;
  width: var(--tap);
  height: var(--tap);
  border: 0;
  background: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 19px; height: 2px;
  border-radius: 2px;
  background: var(--c-text);
  transition: transform .16s ease, opacity .12s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Navegación. En mobile es un CAJÓN lateral que entra desde la derecha sobre un
   fondo desenfocado; en desktop (≥900px) es una barra normal, siempre visible.
   Todo lo del cajón vive dentro de la media query de mobile para que no se filtre
   a desktop (un opacity:0 colado dejaba el nav invisible). */
.site-nav[hidden] { display: none; }

@media (max-width: 56.249em) {
  .site-nav {
    position: fixed;
    top: 0; right: 0; bottom: 0;
    z-index: 60;
    width: min(20rem, 84vw);
    margin: 0;
    padding: 4.5rem 1.25rem 1.5rem;
    background: var(--c-bg);
    border-left: 1px solid var(--c-line);
    box-shadow: -18px 0 40px -24px rgba(16, 32, 24, .5);
    overflow-y: auto;
    overscroll-behavior: contain;
    transform: translateX(100%);
    transition: transform .26s cubic-bezier(.32, .72, 0, 1);
  }
  .site-nav.is-open { transform: none; }

  /* fondo: oscurece y desenfoca la página detrás del cajón */
  .nav-backdrop {
    position: fixed;
    inset: 0;
    z-index: 55;
    background: rgba(16, 26, 22, .38);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity .26s ease;
    border: 0;
    padding: 0;
  }
  .nav-backdrop.is-open { opacity: 1; }
  .nav-backdrop[hidden] { display: none; }

  /* mientras el cajón está abierto la página no scrollea detrás */
  body.nav-open { overflow: hidden; }

  /* el hamburger queda por encima del cajón para poder cerrarlo */
  .nav-toggle { position: relative; z-index: 65; }
}
.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}
.nav-list > li + li { border-top: 1px solid var(--c-line); }
.nav-list a,
.nav-list .dd-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 3.25rem;
  padding: 0 .25rem;
  border: 0;
  border-radius: 0;
  background: none;
  color: var(--c-text);
  font-family: var(--f-sans);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0;
  text-decoration: none;
}
.nav-list a[aria-current="page"] {
  color: var(--c-brand);
  font-weight: 650;
  box-shadow: inset 3px 0 0 var(--c-brand);
  padding-left: .875rem;
}

/* dropdown (Guide + idioma): un solo componente */
.has-dd { position: relative; }
.dd {
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  border-radius: 11px;
  overflow: hidden;
}
.dd[hidden] { display: none; }
.dd {
  opacity: 0;
  transform: translateY(-.375rem);
  transition: opacity .16s ease, transform .16s ease;
}
.dd.is-open { opacity: 1; transform: none; }
.dd a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  min-height: 2.75rem;
  padding: 0 .875rem;
  color: var(--c-text);
  font-size: .90625rem;
  text-decoration: none;
}
.dd a + a { border-top: 1px solid #eef1ef; }
.dd a:hover { background: var(--c-surface); color: var(--c-brand); }
.dd a[aria-current="true"] {
  background: var(--c-brand-tint);
  color: var(--c-brand);
  font-weight: 650;
}
.dd a span { font: 600 .6875rem/1 var(--f-mono); color: var(--c-muted); letter-spacing: .06em; }
.dd a[aria-current="true"] span { color: var(--c-brand); }
.dd-head {
  padding: .625rem .875rem .5rem;
  border-bottom: 1px solid #eef1ef;
  font: 600 .625rem/1 var(--f-mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-muted);
}
.dd-foot { border-top: 1px solid #eef1ef; }
.dd-foot a { color: var(--c-brand); font-weight: 650; }

/* dentro del panel mobile el dropdown de Guide se abre en flujo */
.nav-list .dd {
  border: 0;
  border-top: 1px solid var(--c-line);
  border-radius: 0;
  background: var(--c-surface);
}
.nav-list .dd a { padding-left: 1.25rem; }

/* ---------------------------------------------------------------- 5. footer */
.site-footer {
  margin-top: 3.5rem;
  border-top: 1px solid var(--c-line);
  background: var(--c-surface);
}
.site-footer .wrap {
  display: grid;
  gap: 1.5rem;
  padding-block: 1.75rem 2rem;
  font-size: .875rem;
  color: var(--c-muted);
}
.site-footer h2 {
  font: 600 .625rem/1 var(--f-mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin: 0 0 .625rem;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .125rem; }
/* inline-flex + min-height: el enlace del pie es un destino táctil, no texto corrido.
   Con la altura de línea sola quedaba en 19px y en el celular se falla el toque. */
.site-footer a {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  color: var(--c-text-soft);
  text-decoration: none;
}
.site-footer a:hover { color: var(--c-brand); text-decoration: underline; }
.footer-note { margin: 0; max-width: 34rem; }
.footer-legal {
  grid-column: 1 / -1;
  border-top: 1px solid var(--c-line-strong);
  padding-top: 1rem;
  font-size: .8125rem;
}

/* ------------------------------------------------------------------ 6. hero */
.hero { padding-top: 1rem; }
.hero h1 {
  font-size: clamp(1.5rem, 6.4vw, 2.125rem);
  margin-bottom: .375rem;
}
.hero-sub {
  margin: 0 0 .875rem;
  max-width: 44rem;
  color: var(--c-text-soft);
  font-size: 1rem;
}

/* sello de confianza: sin iconos, sin peso */
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: .375rem 1rem;
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
  font-size: .8125rem;
  color: var(--c-text-soft);
}
.hero-trust li { display: flex; align-items: center; gap: .375rem; }
.hero-trust li::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--c-brand);
}

/* ------------------------------------------------------------------ 7. tool */
.tool {
  max-width: var(--w-tool);
  margin-bottom: 1.5rem;
}
.tool form {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  padding: .875rem;
}
.tool label {
  display: flex;
  flex-direction: column;
  gap: .3125rem;
  font-size: .78125rem;
  font-weight: 600;
  color: var(--c-text-soft);
}
.tool input[type=text],
.tool input[type=number],
.tool select {
  height: var(--tap);
  width: 100%;
  padding: 0 .625rem;
  border: 1px solid var(--c-line-strong);
  border-radius: var(--r-md);
  background: var(--c-bg);
  color: var(--c-text);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 400;
}
.tool input[type=number] { font-variant-numeric: tabular-nums; }
.tool input:hover, .tool select:hover { border-color: #b6bfba; }
.tool input:focus, .tool select:focus {
  outline: 0;
  border: 1.5px solid var(--c-brand);
  box-shadow: 0 0 0 3px rgba(0, 99, 65, .14);
}
.tool select {
  appearance: none;
  padding-right: 2rem;
  background-image: linear-gradient(45deg, transparent 50%, var(--c-muted) 50%),
                    linear-gradient(135deg, var(--c-muted) 50%, transparent 50%);
  background-position: right 1.05rem center, right .8rem center;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}
.tool fieldset { border: 0; padding: 0; margin: .75rem 0 0; }
.tool legend {
  padding: 0 0 .3125rem;
  font-size: .78125rem;
  font-weight: 600;
  color: var(--c-text-soft);
}

/* sexo: radios reales, con upgrade a segmentado donde :has existe */
.gender > div,
.gender { }
.gender label {
  flex-direction: row;
  align-items: center;
  gap: .5rem;
  min-height: var(--tap);
  padding: 0 .875rem;
  border: 1px solid var(--c-line-strong);
  border-radius: var(--r-md);
  background: var(--c-bg);
  font-size: .9375rem;
  font-weight: 500;
  color: var(--c-text);
  cursor: pointer;
}
.gender legend + label,
.gender label { margin: 0; }
.gender {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .5rem;
}
.gender legend { grid-column: 1 / -1; }
.gender input[type=radio] {
  appearance: none;
  flex: 0 0 auto;
  width: 1.125rem; height: 1.125rem;
  margin: 0;
  border: 1.5px solid var(--c-line-strong);
  border-radius: 50%;
  background: var(--c-bg);
}
.gender input[type=radio]:checked {
  border: 5px solid var(--c-brand);
}
@supports selector(:has(*)) {
  .gender input[type=radio] { position: absolute; opacity: 0; }
  .gender label { justify-content: center; padding: 0 .5rem; }
  .gender label:has(input:checked) {
    background: var(--c-brand);
    border-color: var(--c-brand);
    color: var(--c-brand-ink);
    font-weight: 650;
  }
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: .625rem; }
.grid-3 { display: grid; grid-template-columns: 1fr 1.5fr 1fr; gap: .5rem; }
.grid-2 + *, .birthdate + * { margin-top: .75rem; }

.luogo-label { position: relative; margin-top: .75rem; }
.ac-wrap { position: relative; display: block; }

.tool-error {
  min-height: 1.2em;
  margin: .625rem 0 0;
  color: var(--c-error);
  font-size: .875rem;
  font-weight: 500;
}
.tool-error:not(:empty) {
  padding: .5rem .625rem;
  border-radius: var(--r-sm);
  background: var(--c-error-tint);
}

.tool noscript p {
  margin: .75rem 0 0;
  padding: .625rem .75rem;
  border: 1px solid var(--c-line-strong);
  border-radius: var(--r-sm);
  font-size: .875rem;
}

/* ---------------------------------------------------------------- 8. botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  min-height: var(--tap);
  padding: 0 1rem;
  border: 1px solid var(--c-line-strong);
  border-radius: var(--r-md);
  background: var(--c-bg);
  color: var(--c-text);
  font-family: inherit;
  font-size: .9375rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}
.btn:hover { border-color: var(--c-brand); color: var(--c-brand); }
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* Un display explícito le gana al atributo [hidden] del UA stylesheet: sin esto,
   los botones que arrancan ocultos (instalar la PWA) se ven igual. */
.btn[hidden] { display: none; }

.btn-primary {
  width: 100%;
  min-height: 3.125rem;
  margin-top: .875rem;
  border: 0;
  border-radius: 10px;
  background: var(--c-brand);
  color: var(--c-brand-ink);
  font-size: 1rem;
  font-weight: 650;
}
.btn-primary:hover { background: var(--c-brand-dark); color: var(--c-brand-ink); }

/* ------------------------------------------------------- 9. autocomplete */
.ac-list {
  position: absolute;
  z-index: 20;
  top: calc(100% + 4px);
  width: 100%;
  max-height: 16rem;
  overflow-y: auto;
  background: var(--c-bg);
  border: 1px solid var(--c-line-strong);
  border-radius: var(--r-md);
  box-shadow: var(--sh-pop);
}
.ac-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  width: 100%;
  min-height: 2.75rem;
  padding: .5rem .625rem;
  border: 0;
  background: none;
  font-family: inherit;
  font-size: .9375rem;
  text-align: left;
  cursor: pointer;
}
.ac-item + .ac-item { border-top: 1px solid #eef1ef; }
.ac-item:hover,
.ac-item.is-sel { background: var(--c-brand-tint); color: var(--c-brand-dark); }
.ac-item small {
  flex: 0 0 auto;
  font: 600 .6875rem/1 var(--f-mono);
  letter-spacing: .06em;
  color: var(--c-muted);
  text-transform: uppercase;
}

/* ------------------------------------------------------- 10. resultado */
.tool-result:not(:empty) { margin-top: 1rem; }

.cf-result { display: grid; gap: .875rem; }
.cf-result > p { margin: 0; }
.cf-result.is-ok > p:first-child,
.cf-result.is-bad > p:first-child {
  padding: .75rem .875rem;
  border-radius: var(--r-md);
  font-size: .9375rem;
  line-height: 1.5;
}
.cf-result.is-ok > p:first-child {
  background: var(--c-ok-tint);
  color: var(--c-brand-dark);
  box-shadow: inset 3px 0 0 var(--c-ok);
}
.cf-result.is-bad > p:first-child {
  background: var(--c-error-tint);
  color: #8f1e18;
  box-shadow: inset 3px 0 0 var(--c-error);
}
.cf-result.is-ok strong,
.cf-result.is-bad strong { font-family: var(--f-mono); font-weight: 600; letter-spacing: .04em; }
.cf-result.is-ok > p + p,
.cf-result.is-bad > p + p { color: var(--c-muted); }

/* LA TARJETA — pieza estrella, imprimible, proporción de tessera (85,6 × 54 mm) */
.cf-card {
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  width: 100%;
  max-width: 23.25rem;
  aspect-ratio: 1.585;
  overflow: hidden;
  border: 1px solid #c9d5ce;
  border-radius: var(--r-lg);
  background: var(--c-bg);
  box-shadow: var(--sh-card);
}
.cf-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  padding: .5625rem 1rem;
  background: var(--c-brand);
  color: var(--c-brand-ink);
  font: 600 .625rem/1 var(--f-mono);
  letter-spacing: .16em;
  text-transform: uppercase;
}
.cf-card-head::after {
  content: "codicefiscalecalcola.it";
  font-family: var(--f-sans);
  font-size: .625rem;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: none;
  opacity: .82;
}
.cf-card-code {
  padding: .875rem 1rem 0;
  font-family: var(--f-mono);
  font-weight: 600;
  font-size: clamp(1.125rem, 5.6vw, 1.5rem);
  letter-spacing: .05em;
  color: var(--c-text);
}
.cf-card-name {
  align-self: start;
  padding: .5rem 1rem 0;
  font-size: .6875rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-muted);
}
.cf-barcode {
  display: block;
  width: calc(100% - 2rem);
  height: 2.75rem;
  margin: 0 1rem .875rem;
}

.cf-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 0;
}
/* Por defecto los botones de acción son CHICOS y se alinean a la izquierda: son
   acciones secundarias sobre un resultado ya visible (descargar, copiar la tabla).
   Estirarlos les da un peso que no tienen y quedaban gigantes. */
.cf-actions .btn { flex: 0 0 auto; }

/* La excepción es el bloque que cuelga de la tessera: ahí el primer botón es "copiar
   el codice fiscale", que es LA acción de la página. Va destacado y a todo el ancho de
   la tarjeta. Scopeado con `.cf-card +` a propósito: cuando la regla valía para todo
   `.cf-actions`, se comía también "Scarica CSV" y "Copia l'elenco". */
.cf-card + .cf-actions .btn { flex: 1 1 8rem; }
.cf-card + .cf-actions .btn:first-child {
  flex: 1 1 100%;
  border: 1.5px solid var(--c-brand);
  background: var(--c-brand);
  color: var(--c-brand-ink);
  font-weight: 650;
}
.cf-card + .cf-actions .btn:first-child:hover { background: var(--c-brand-dark); color: var(--c-brand-ink); }

.cf-disclaimer {
  margin: 0;
  padding-left: .75rem;
  box-shadow: inset 2px 0 0 var(--c-brand-tint);
  font-size: .8125rem;
  line-height: 1.5;
  color: var(--c-muted);
}

/* -------------------------------------------------------- 11. tabla inverso */
.cf-table {
  width: 100%;
  max-width: 34rem;
  border-collapse: collapse;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  overflow: hidden;
  font-size: .9375rem;
}
.cf-table tr + tr { border-top: 1px solid var(--c-line); }
.cf-table th,
.cf-table td {
  padding: .6875rem .75rem;
  text-align: left;
  vertical-align: top;
}
.cf-table th {
  width: 11rem;
  white-space: nowrap;
  background: var(--c-surface);
  font: 600 .6875rem/1.4 var(--f-mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-muted);
}
.cf-table td strong { font-weight: 650; }
.cf-table td small { display: inline-block; color: var(--c-muted); }

/* ------------------------------------------------------- 12. infografías */
.cf-anatomy {
  display: flex;
  flex-wrap: wrap;
  gap: .375rem;
  margin: 1.25rem 0 1.5rem;
}
.cf-anatomy .seg {
  overflow: hidden;
  border: 1px solid #c9d5ce;
  border-radius: var(--r-md);
  background: var(--c-bg);
  text-align: center;
}
.cf-anatomy .seg-code {
  display: block;
  padding: .625rem .75rem;
  font: 600 1.0625rem/1 var(--f-mono);
  letter-spacing: .02em;
}
.cf-anatomy .seg-label {
  display: block;
  padding: .25rem .375rem;
  background: var(--c-brand);
  color: var(--c-brand-ink);
  font-size: .59375rem;
  font-weight: 600;
  letter-spacing: .09em;
  text-transform: uppercase;
  white-space: nowrap;
}
.cf-anatomy .seg:last-child { border-color: var(--c-brand); }
.cf-anatomy.is-decode .seg-label { white-space: normal; }

.omo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(3.5rem, 1fr));
  gap: .375rem;
  margin: 1rem 0 1.5rem;
  max-width: 30rem;
}
.omo-grid div {
  padding: .5rem 0;
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  background: var(--c-surface);
  text-align: center;
  font: 600 .875rem/1 var(--f-mono);
  color: var(--c-muted);
}
.omo-grid b { color: var(--c-text); font-weight: 600; }

/* -------------------------------------------------------- 13. contenido */
.content {
  max-width: var(--w-text);
  padding-bottom: 1rem;
}
/* .content y .wrap conviven en el mismo elemento: sin esto el bloque de texto se
   centra en SU eje (44rem) y queda desalineado del form, que se apoya en el borde
   izquierdo del wrap (66rem). Lo anclamos al mismo eje. */
@media (min-width: 68em) {
  main > .wrap { margin-inline: auto; }
  main > .content.wrap,
  main > .faq.wrap { max-width: var(--w-max); }
  /* El bloque de texto se alinea con el conjunto form + tarjeta, no con su propio eje. */
  main > .content.wrap > *,
  main > .faq.wrap > * { max-width: var(--w-wide); }
  /* A ese ancho la línea sería larguísima: subimos cuerpo e interlineado para que
     la lectura siga siendo cómoda. */
  main > .content.wrap > p,
  main > .content.wrap > ul,
  main > .content.wrap > ol { font-size: 1.0625rem; line-height: 1.7; }
}
/* páginas sin hero (privacy, contatti, chi-siamo, 404): aire bajo el header */
main > .content:first-child { padding-top: 1.75rem; }

/* ---------- F2: omocodia / inverso multiplo / catastali ---------- */
.tool textarea {
  display: block; width: 100%; margin-top: .375rem; padding: .625rem .6875rem;
  border: 1px solid var(--c-line-strong); border-radius: var(--r-sm);
  font: 500 .9375rem/1.5 var(--f-mono); background: var(--c-bg); resize: vertical;
}
.tool textarea:focus { outline: 2px solid var(--c-brand); outline-offset: 1px; border-color: var(--c-brand); }
.tool.is-wide { max-width: none; }
.tool.is-wide form { max-width: var(--w-tool); }

.omo-verdict { padding: .625rem .8125rem; border-radius: var(--r-sm); background: var(--c-surface); }
.omo-verdict.is-omo { background: var(--c-ok-tint); }
/* Grid, NO `columns`: con multi-columna los códigos se solapaban. Cada código mide
   ~10rem en mono; si el contenedor es más angosto que columnas × ancho-de-código, el
   texto de una columna se dibuja encima de la vecina. El grid con minmax() nunca hace
   una pista más angosta que el contenido, así que se reflowea solo y jamás colisiona. */
.omo-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(10.5rem, 1fr));
  gap: 0 1rem;
  list-style-position: inside;
  margin: .75rem 0;
  font-size: .875rem; max-height: 24rem; overflow-y: auto;
  border: 1px solid var(--c-line); border-radius: var(--r-sm); padding: .75rem;
}
.omo-list li { padding: .0625rem .25rem; border-radius: 4px; }
.omo-list li::marker { color: var(--c-muted); font-size: .75rem; }
.omo-list code { font: 600 .8125rem var(--f-mono); }
.omo-list .is-yours { background: var(--c-ok-tint); }
.omo-tag {
  font-size: .6875rem; font-weight: 650; color: var(--c-brand);
  text-transform: uppercase; letter-spacing: .05em;
}
.omo-letter-label { display: block; margin-top: .75rem; font-weight: 600; font-size: .9rem; }
.omo-letter-label textarea { font: 400 .8125rem/1.5 var(--f-sans); }

.table-scroll { overflow-x: auto; margin: .5rem 0; }
.cf-table.multi { font-size: .875rem; }
.cf-table.multi code { font: 600 .8125rem var(--f-mono); white-space: nowrap; }
.cf-table.multi tr.is-bad td { color: var(--c-error); }
.multi-summary strong { font-family: var(--f-mono); }
.content h2 {
  margin-top: 2.5rem;
  font-size: clamp(1.25rem, 4.6vw, 1.5rem);
}
.content h3 {
  margin-top: 1.75rem;
  font-size: 1.0625rem;
  letter-spacing: -.01em;
}
.content p,
.content li { font-size: 1rem; line-height: 1.65; color: var(--c-text-soft); }
.content p { margin: 0 0 1rem; }
.content ul { margin: 0 0 1rem; padding-left: 1.125rem; }
.content li { margin-bottom: .625rem; }
.content li strong,
.content p strong { color: var(--c-text); }
.content .mesi-inline {
  font-family: var(--f-mono);
  font-size: .8125rem;
  font-weight: 600;
  color: var(--c-muted);
}

/* FAQ visible (mismo array que alimenta el schema) */
.faq { max-width: var(--w-text); }
.faq details {
  border-top: 1px solid var(--c-line);
}
.faq details:last-of-type { border-bottom: 1px solid var(--c-line); }
.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3.25rem;
  padding: .75rem 0;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  flex: 0 0 auto;
  width: 0; height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid var(--c-muted);
}
.faq details[open] summary::after { transform: rotate(180deg); }
.faq details > p {
  margin: 0 0 1rem;
  padding-right: 2rem;
  color: var(--c-text-soft);
  line-height: 1.65;
}

/* ------------------------------------------------------------- 14. a11y */
:where(a, button, input, select, summary):focus-visible {
  outline: 2px solid var(--c-brand);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}
.btn-primary:focus-visible,
.cf-card + .cf-actions .btn:first-child:focus-visible {
  outline-offset: 3px;
}
/* --- wizard interactivo -------------------------------------------------
   Sin JS (.wiz-tool sin .is-ready) se ve todo. Con JS los paneles se esconden y
   al elegir una opción queda SOLO su ruta. */
.wiz-tool { margin: 1.25rem 0 1.5rem; }
.wiz-options { display: grid; gap: .75rem; }
.wiz-panels { display: grid; gap: .75rem; margin-top: .75rem; }

.wiz-tool.is-ready .wz-panel { display: none; }
.wiz-tool.is-ready .wz-panel.is-active { display: block; }
.wiz-tool.is-ready.is-picked .wiz-options { display: none; }
.wiz-tool.is-ready .wz {
  cursor: pointer;
  transition: border-color .14s ease, box-shadow .14s ease, transform .14s ease;
}
.wiz-tool.is-ready .wz:hover,
.wiz-tool.is-ready .wz:focus-visible {
  border-color: var(--c-brand);
  box-shadow: var(--sh-card);
  transform: translateY(-1px);
}
.wiz-tool.is-ready .wz::after {
  content: "";
  grid-column: 2;
  justify-self: end;
  align-self: center;
  width: .5rem; height: .5rem;
  margin-top: -1.75rem;
  border-right: 2px solid var(--c-brand);
  border-bottom: 2px solid var(--c-brand);
  transform: rotate(-45deg);
  opacity: .6;
}

.wz-panel {
  padding: 1.125rem 1.25rem 1.25rem;
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-brand);
  border-radius: var(--r-md);
  background: var(--c-surface);
}
.wz-panel:focus { outline: none; }
.wz-panel.is-active { animation: wzIn .22s ease both; }
@keyframes wzIn { from { opacity: 0; transform: translateY(.375rem); } to { opacity: 1; transform: none; } }
.wz-panel-head {
  display: flex; align-items: center; gap: .75rem;
  margin-bottom: .625rem; flex-wrap: wrap;
}
.wz-panel-head h3 { margin: 0; font-size: 1.125rem; flex: 1 1 12rem; }
.wz-back { margin-left: auto; font-size: .8125rem; padding: .35rem .75rem; min-height: 0; }
.wz-panel-lead { margin: 0 0 .5rem; color: var(--c-text-soft); }
.wz-panel .flow { margin: 1rem 0 .75rem; }
.wz-panel .flow-step { background: var(--c-bg); }
.wz-docs, .wz-note { margin: .5rem 0 0; font-size: .9375rem; color: var(--c-text-soft); }
.wz-cta {
  display: flex; flex-wrap: wrap; gap: .5rem;
  margin-top: 1rem; padding-top: 1rem;
  border-top: 1px solid var(--c-line);
}
.wz-cta .btn {
  text-decoration: none;
  width: auto;
  min-width: 0;
  min-height: var(--tap);   /* misma altura que los secundarios (el submit usa 50px) */
  margin-top: 0;
  padding: 0 1.125rem;
  font-size: .9375rem;
  font-weight: 650;
}
.wz-note {
  padding: .625rem .8125rem;
  border-radius: var(--r-sm);
  background: var(--c-brand-tint);
  color: var(--c-text);
}

/* --- facsímil del modelo AA4/8 -------------------------------------------
   Reproduce los campos reales del PDF con un ejemplo cargado. Las etiquetas van
   en italiano (son las que el usuario va a ver en el formulario) y la anotación
   en su idioma. Todo HTML+CSS: pesa nada y se traduce. */
.aa48 { margin: 1.5rem 0 2rem; }
.aa48 figcaption { margin-bottom: .875rem; }
.aa48 figcaption strong { display: block; font-size: 1.0625rem; margin-bottom: .25rem; }
.aa48 figcaption p { margin: 0; color: var(--c-text-soft); font-size: .9375rem; }

.aa48-doc {
  border: 1px solid var(--c-line-strong);
  border-radius: var(--r-md);
  background: var(--c-bg);
  overflow: hidden;
  font-size: .8125rem;
}
.aa48-title {
  padding: .625rem .875rem;
  background: var(--c-text);
  color: #fff;
  font: 600 .6875rem/1.4 var(--f-mono);
  letter-spacing: .06em;
}
.aa48-row {
  display: grid;
  gap: .25rem .875rem;
  padding: .75rem .875rem;
  border-top: 1px solid var(--c-line);
}
.aa48-row.is-dim { background: #fafbfa; }
.aa48-row.is-key { background: var(--c-brand-tint); border-top: 2px solid var(--c-brand); }
.aa48-q {
  font: 700 .6875rem/1.3 var(--f-sans);
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--c-brand);
}
.aa48-q small { display: block; font-weight: 500; text-transform: none; letter-spacing: 0; color: var(--c-muted); }
.aa48-fields { display: grid; gap: .375rem; }
.aa48-f { display: flex; flex-wrap: wrap; align-items: center; gap: .375rem .625rem; }
.aa48-lab {
  font-size: .625rem; letter-spacing: .04em; text-transform: uppercase; color: var(--c-muted);
}
.aa48-val {
  padding: .1875rem .5rem;
  border-bottom: 1.5px solid var(--c-text);
  background: #fff;
  font: 600 .8125rem/1.4 var(--f-mono);
}
.aa48-val.is-tick {
  border: 1.5px solid var(--c-brand); border-radius: 3px;
  background: var(--c-brand); color: #fff; padding: .0625rem .4375rem;
}
.aa48-val.is-empty { border-bottom-style: dashed; color: var(--c-muted); font-weight: 400; }
.aa48-val.is-sign { font-family: var(--f-sans); font-style: italic; }
.aa48-delega { font-size: .8125rem; color: var(--c-text-soft); }
.aa48-quote {
  margin: .25rem 0; padding-left: .625rem;
  border-left: 2px solid var(--c-brand);
  font-style: italic; font-size: .8125rem; color: var(--c-text-soft);
}
.aa48-note {
  margin: 0 0 .25rem; font-size: .8125rem; line-height: 1.5; color: var(--c-text-soft);
}
.aa48-note::before { content: "→ "; color: var(--c-brand); font-weight: 700; }
.aa48-why {
  margin-top: .875rem; padding: .75rem .875rem;
  border-radius: var(--r-sm);
  background: var(--c-surface);
  font-size: .9375rem; color: var(--c-text);
}

@media (min-width: 46em) {
  .aa48-row { grid-template-columns: 8.5rem 1fr; }
}

.pwa-box {
  margin: 1.25rem 0 0;
  padding: 1.125rem 1.25rem;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background: var(--c-surface);
  max-width: var(--w-tool);
}
.pwa-box .btn-primary { margin-top: 0; }
.pwa-fallback {
  margin: .75rem 0 0; font-size: .875rem; color: var(--c-text-soft);
  padding: .625rem .75rem; border-radius: var(--r-sm);
  border: 1px solid transparent;
  transition: background-color .3s ease, border-color .3s ease;
}
.pwa-fallback.is-hi { background: var(--c-brand-tint); border-color: var(--c-brand); color: var(--c-text); }
.pwa-box .btn-primary[hidden] + .pwa-fallback { margin-top: 0; }
.btn-install { border-color: var(--c-brand); color: var(--c-brand); font-weight: 650; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

/* -------------------------------------------------------- 15. ≥ 600px */
@media (min-width: 37.5em) {
  .gender { grid-template-columns: max-content max-content; }
  /* el primario manda por relleno, no por ancho: todos siguen su contenido */
  .cf-actions .btn { flex: 0 1 auto; }
  .cf-actions .btn:first-child { padding: 0 1.5rem; }
  .btn-primary { width: auto; min-width: 16rem; padding: 0 1.5rem; }
  .site-footer .wrap { grid-template-columns: 1.4fr 1fr 1fr; }
}

/* -------------------------------------------------------- 16. ≥ 900px */
@media (min-width: 56.25em) {
  .site-header .wrap { flex-wrap: nowrap; padding-block: .75rem; }
  .nav-toggle { display: none; }
  .lang-btn { min-height: 2.25rem; }

  .site-nav,
  .site-nav[hidden] {
    display: flex;
    position: static;
    width: auto;
    flex-basis: auto;
    align-items: center;
    margin: 0 1.375rem 0 0;
    padding: 0;
    border: 0;
    box-shadow: none;
    transform: none;
    opacity: 1;
    overflow: visible;
  }
  .nav-backdrop { display: none; }
  .nav-list { flex-direction: row; align-items: center; gap: 1.375rem; }
  .nav-list > li + li { border-top: 0; }
  .nav-list a,
  .nav-list .dd-btn {
    min-height: 2.25rem;
    padding: 0;
    font-size: .875rem;
    color: var(--c-text-soft);
  }
  .nav-list a:hover,
  .nav-list .dd-btn:hover { color: var(--c-brand); }
  .nav-list a[aria-current="page"] {
    padding-left: 0;
    box-shadow: none;
    border-bottom: 2px solid var(--c-brand);
  }
  .nav-list .dd-btn { gap: .375rem; border: 0; background: none; font-family: var(--f-sans); letter-spacing: 0; }
  .nav-list .dd-btn[aria-expanded="true"] { color: var(--c-brand); font-weight: 650; }

  /* paneles flotantes en desktop */
  .nav-list .dd,
  .lang .dd {
    position: absolute;
    top: calc(100% + .75rem);
    z-index: 60;
    min-width: 16rem;
    border: 1px solid var(--c-line);
    border-radius: 11px;
    background: var(--c-bg);
    box-shadow: var(--sh-pop);
  }
  .nav-list .dd { left: -.75rem; min-width: 16.625rem; }
  .nav-list .dd a { min-height: 2.5rem; padding: 0 .875rem; }
  .lang .dd { right: 0; min-width: 14.875rem; }
  .header-actions::before {
    content: "";
    width: 1px; height: 1.375rem;
    margin-right: .5rem;
    background: var(--c-line);
  }

  .hero { padding-top: 2rem; }
  .hero h1 { font-size: 2.0625rem; }
  .hero-sub { font-size: 1.0625rem; }

  .tool form { padding: 1.25rem; }
  .cf-card-code { font-size: 1.5rem; }
  .content h2 { margin-top: 3rem; }
}

/* ------------------------------------------------------- 16b. ≥ 1088px
   El resultado aparece AL LADO del form: el form queda usable para calcular
   varios códigos seguidos. El track del form es FIJO, así que no se mueve ni un
   píxel cuando .tool-result pasa de vacío a lleno (cero salto al calcular), y la
   columna del resultado no reserva espacio mientras está vacía. */
@media (min-width: 68em) {
  .tool {
    display: grid;
    grid-template-columns: var(--w-tool) auto;
    justify-content: start;
    align-items: start;
    max-width: none;
  }
  .tool form { grid-column: 1; grid-row: 1; padding: 1.5rem; }
  .tool noscript { grid-column: 1 / -1; }
  /* Resultado y preview comparten celda (fila 1, columna 2): nunca se ven a la vez
     y el vacío no ocupa alto, así que no hay colisión ni salto. */
  .tool-result { grid-column: 2; grid-row: 1; min-width: 0; }
  .tool-result:not(:empty) {
    margin: 0 0 0 1.625rem;
    width: 23.25rem;
  }

  /* inverso y verifica: un solo campo, form más corto y resultado más ancho */
  [data-tool=inverso],
  [data-tool=verifica] { grid-template-columns: 26rem auto; }
  [data-tool=inverso] .tool-result:not(:empty),
  [data-tool=verifica] .tool-result:not(:empty) { width: auto; max-width: 34rem; }

  /* is-stacked: el resultado va DEBAJO del form, a todo el ancho.
     La columna lateral sirve cuando el resultado es una tarjeta angosta (un código,
     un veredicto). Cuando el resultado es una LISTA de 127 códigos o una TABLA de
     comuni, meterlo en 23rem lo estrangula y deja medio viewport vacío bajo el form.
     Estas tools se apilan: form arriba (ancho natural), resultado abajo a lo ancho. */
  .tool.is-stacked {
    grid-template-columns: minmax(0, 1fr);
    max-width: var(--w-wide);
  }
  .tool.is-stacked form { grid-row: 1; max-width: var(--w-tool); }
  .tool.is-stacked .tool-result { grid-column: 1; grid-row: 2; }
  .tool.is-stacked .tool-result:not(:empty) {
    width: auto;
    max-width: none;
    margin: 1.25rem 0 0;
  }
}

/* Las tablas de estas tools son de DATOS (4+ columnas), no de clave/valor: el tope de
   34rem y el th fijo de 11rem son para las fichas y acá las estrangulan. */
.tool.is-stacked .cf-table { max-width: 46rem; }
.tool.is-stacked .cf-table th { width: auto; }

/* ----------------------------------------- 16c. preview de la columna vacía
   Ocupa el track del resultado mientras no hay nada calculado: sin esto queda un
   hueco muerto a la derecha del form. Se esconde en cuanto llega el resultado. */
.tool-preview { display: none; }

@media (min-width: 68em) {
  .tool-preview {
    display: block;
    grid-column: 2;
    grid-row: 1;
    width: 23.25rem;
    margin-left: 1.625rem;
    padding: 1.25rem 1.375rem;
    border: 1px dashed var(--c-line-strong);
    border-radius: var(--r-lg);
    color: var(--c-text-soft);
  }
  .tool-result:not(:empty) + .tool-preview { display: none; }
  .tool-preview-title {
    margin: 0 0 .625rem;
    font-size: .75rem;
    font-weight: 650;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--c-muted);
  }
  .tool-preview ul { margin: 0; padding-left: 1.1rem; font-size: .9375rem; line-height: 1.5; }
  .tool-preview li { margin-bottom: .375rem; }
  .tool-preview li::marker { color: var(--c-brand); }
  .tool-preview-card {
    margin: 1rem 0 .75rem;
    padding: .875rem 1rem;
    border: 1px solid var(--c-line);
    border-radius: var(--r-md);
    background: var(--c-surface);
    opacity: .55;
  }
  .tool-preview-code {
    display: block;
    font: 600 1.0625rem/1 var(--f-mono);
    letter-spacing: .06em;
    color: var(--c-text);
  }
  /* barras decorativas: no es un código de barras real, es una silueta */
  .tool-preview-bars {
    display: block;
    height: 26px;
    margin-top: .625rem;
    background: repeating-linear-gradient(90deg,
      var(--c-text) 0 2px, transparent 2px 4px, var(--c-text) 4px 5px, transparent 5px 9px);
    opacity: .45;
  }
  .tool-preview-note { margin: 0; font-size: .8125rem; color: var(--c-muted); }
}

/* ------------------------------------------ 16d. infografías de las guías

   Tres piezas reutilizables, todas HTML+CSS (cero imágenes, cero JS):
   .wizard  → "qué vía me toca": tarjetas de perfil con su ruta y su plazo
   .flow    → pasos numerados en secuencia horizontal (proceso)
   .compare → dos columnas contrapuestas (antes/después, sí/no)                */

/* --- wizard de perfiles --- */
.wizard { display: grid; gap: .75rem; margin: 1.25rem 0 1.5rem; }
.wizard-q {
  margin: 0 0 .25rem;
  font-size: .75rem; font-weight: 650; letter-spacing: .08em;
  text-transform: uppercase; color: var(--c-muted);
}
.wz {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .25rem 1rem;
  align-items: start;
  padding: 1rem 1.125rem;
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-brand);
  border-radius: var(--r-md);
  background: var(--c-bg);
}
.wz-icon {
  grid-row: 1 / span 3;
  display: grid; place-items: center;
  width: 2.25rem; height: 2.25rem;
  border-radius: 50%;
  background: var(--c-brand-tint);
  font-size: 1.125rem;
}
.wz-if { margin: 0; font-weight: 650; font-size: .9375rem; color: var(--c-text); }
.wz-then { margin: .125rem 0 0; font-size: .9375rem; color: var(--c-text-soft); }
.wz-meta {
  margin: .5rem 0 0; display: flex; flex-wrap: wrap; gap: .375rem .5rem;
}
.wz-tag {
  display: inline-flex; align-items: center; gap: .3rem;
  padding: .125rem .5rem;
  border-radius: 999px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  font: 600 .6875rem/1.6 var(--f-sans);
  color: var(--c-muted);
}
.wz-tag.is-free {
  background: var(--c-brand);
  border-color: transparent;
  color: var(--c-brand-ink);
  font-weight: 700;
  letter-spacing: .02em;
}
.wz-tag.is-free::before { content: "✓"; font-weight: 700; }
.wz-tag.is-warn { background: var(--c-error-tint); border-color: transparent; color: var(--c-error); }

/* --- flujo de pasos --- */
.flow {
  display: grid;
  gap: .625rem;
  margin: 1.25rem 0 1.5rem;
  counter-reset: flowstep;
}
.flow-step {
  position: relative;
  padding: .875rem 1rem .875rem 3rem;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: var(--c-surface);
  font-size: .9375rem;
  color: var(--c-text-soft);
}
.flow-step::before {
  counter-increment: flowstep;
  content: counter(flowstep);
  position: absolute; left: .875rem; top: .875rem;
  display: grid; place-items: center;
  width: 1.5rem; height: 1.5rem;
  border-radius: 50%;
  background: var(--c-brand); color: var(--c-brand-ink);
  font: 600 .75rem/1 var(--f-mono);
}
.flow-step b { color: var(--c-text); }

/* --- comparación a dos columnas --- */
.compare { display: grid; gap: .75rem; margin: 1.25rem 0 1.5rem; }
.compare > div {
  padding: 1rem 1.125rem;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
}
.compare h3 { margin: 0 0 .5rem; font-size: 1rem; }
.compare ul { margin: 0; padding-left: 1.1rem; font-size: .9375rem; color: var(--c-text-soft); }
.compare li { margin-bottom: .25rem; }
.compare .is-yes { border-left: 3px solid var(--c-brand); }
.compare .is-yes h3 { color: var(--c-brand); }
.compare .is-no { border-left: 3px solid var(--c-line-strong); }
.compare .is-no h3 { color: var(--c-muted); }

@media (min-width: 40em) {
  .flow { grid-template-columns: repeat(2, 1fr); }
  .compare { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 56.25em) {
  .flow.is-4 { grid-template-columns: repeat(4, 1fr); }
}

/* --- facsímil del modelo AA4/8 -------------------------------------------
   Reproduce los campos reales del PDF con un ejemplo cargado. Las etiquetas van
   en italiano (son las que el usuario va a ver en el formulario) y la anotación
   en su idioma. Todo HTML+CSS: pesa nada y se traduce. */
.aa48 { margin: 1.5rem 0 2rem; }
.aa48 figcaption { margin-bottom: .875rem; }
.aa48 figcaption strong { display: block; font-size: 1.0625rem; margin-bottom: .25rem; }
.aa48 figcaption p { margin: 0; color: var(--c-text-soft); font-size: .9375rem; }

.aa48-doc {
  border: 1px solid var(--c-line-strong);
  border-radius: var(--r-md);
  background: var(--c-bg);
  overflow: hidden;
  font-size: .8125rem;
}
.aa48-title {
  padding: .625rem .875rem;
  background: var(--c-text);
  color: #fff;
  font: 600 .6875rem/1.4 var(--f-mono);
  letter-spacing: .06em;
}
.aa48-row {
  display: grid;
  gap: .25rem .875rem;
  padding: .75rem .875rem;
  border-top: 1px solid var(--c-line);
}
.aa48-row.is-dim { background: #fafbfa; }
.aa48-row.is-key { background: var(--c-brand-tint); border-top: 2px solid var(--c-brand); }
.aa48-q {
  font: 700 .6875rem/1.3 var(--f-sans);
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--c-brand);
}
.aa48-q small { display: block; font-weight: 500; text-transform: none; letter-spacing: 0; color: var(--c-muted); }
.aa48-fields { display: grid; gap: .375rem; }
.aa48-f { display: flex; flex-wrap: wrap; align-items: center; gap: .375rem .625rem; }
.aa48-lab {
  font-size: .625rem; letter-spacing: .04em; text-transform: uppercase; color: var(--c-muted);
}
.aa48-val {
  padding: .1875rem .5rem;
  border-bottom: 1.5px solid var(--c-text);
  background: #fff;
  font: 600 .8125rem/1.4 var(--f-mono);
}
.aa48-val.is-tick {
  border: 1.5px solid var(--c-brand); border-radius: 3px;
  background: var(--c-brand); color: #fff; padding: .0625rem .4375rem;
}
.aa48-val.is-empty { border-bottom-style: dashed; color: var(--c-muted); font-weight: 400; }
.aa48-val.is-sign { font-family: var(--f-sans); font-style: italic; }
.aa48-delega { font-size: .8125rem; color: var(--c-text-soft); }
.aa48-quote {
  margin: .25rem 0; padding-left: .625rem;
  border-left: 2px solid var(--c-brand);
  font-style: italic; font-size: .8125rem; color: var(--c-text-soft);
}
.aa48-note {
  margin: 0 0 .25rem; font-size: .8125rem; line-height: 1.5; color: var(--c-text-soft);
}
.aa48-note::before { content: "→ "; color: var(--c-brand); font-weight: 700; }
.aa48-why {
  margin-top: .875rem; padding: .75rem .875rem;
  border-radius: var(--r-sm);
  background: var(--c-surface);
  font-size: .9375rem; color: var(--c-text);
}

@media (min-width: 46em) {
  .aa48-row { grid-template-columns: 8.5rem 1fr; }
}

.pwa-box {
  margin: 1.25rem 0 0;
  padding: 1.125rem 1.25rem;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background: var(--c-surface);
  max-width: var(--w-tool);
}
.pwa-box .btn-primary { margin-top: 0; }
.pwa-fallback {
  margin: .75rem 0 0; font-size: .875rem; color: var(--c-text-soft);
  padding: .625rem .75rem; border-radius: var(--r-sm);
  border: 1px solid transparent;
  transition: background-color .3s ease, border-color .3s ease;
}
.pwa-fallback.is-hi { background: var(--c-brand-tint); border-color: var(--c-brand); color: var(--c-text); }
.pwa-box .btn-primary[hidden] + .pwa-fallback { margin-top: 0; }
.btn-install { border-color: var(--c-brand); color: var(--c-brand); font-weight: 650; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}

/* -------------------------------------------------------- 17. print */
@media print {
  .site-header,
  .site-footer,
  .hero h1,
  .hero-sub,
  .hero-trust,
  .content,
  .faq,
  .tool form,
  .tool noscript,
  .tool-preview,
  .cf-actions,
  .cf-disclaimer,
  .cf-result > p,
  .cf-table { display: none !important; }

  .tool {
    display: block !important;
    max-width: none;
    margin: 0;
  }
  .tool-result:not(:empty) { margin: 0 !important; width: auto !important; }
  .cf-card {
    max-width: none;
    width: 85.6mm;
    aspect-ratio: 1.585;
    border: 1.5px solid var(--c-brand);
    box-shadow: none;
    break-inside: avoid;
  }
  .cf-card-head::after { content: "codicefiscalecalcola.it"; }
  @page { margin: 16mm; }
}

/* --- sugerencia de idioma -------------------------------------------------
   Barra fina bajo el header, no un modal: es una sugerencia, no una decisión que
   haya que tomar. Se renderiza oculta en el HTML y la destapa un script inline
   antes del primer pintado, así no genera salto de layout (el sitio está en CLS 0). */
.lang-hint {
  background: var(--c-brand-tint, #e6f0eb);
  border-bottom: 1px solid var(--c-line);
  font-size: .875rem;
}
.lang-hint[hidden] { display: none; }
.lang-hint .wrap {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding-block: .5rem;
}
.lang-hint span { flex: 1 1 auto; color: var(--c-text-soft); }
.lang-hint a {
  flex: 0 0 auto;
  color: var(--c-brand);
  font-weight: 650;
  text-decoration: underline;
  min-height: 28px;
  display: inline-flex;
  align-items: center;
}
.lang-hint button {
  flex: 0 0 auto;
  width: 28px; height: 28px;
  border: 0; background: none; cursor: pointer;
  font-size: 1.25rem; line-height: 1;
  color: var(--c-muted);
}
.lang-hint button:hover { color: var(--c-text); }