/* ==========================================================================
   Sezione 10 — Footer / contatti. Nodo 2566:258.

   Vedi docs/editoria-design-spec.md § 3.6.

   Il design fissa un'altezza di 626px a 1512px di viewport. Qui l'altezza
   non e' imposta: il footer cresce col contenuto. Bloccarla romperebbe il
   layout non appena un indirizzo o un testo di consenso cambia lunghezza,
   e il copy e' editabile dal backoffice.
   ========================================================================== */

.eia-footer {
  position: relative;
  overflow: hidden;
  background-color: var(--eia-color-bg-footer);
  padding-block: clamp(48px, 6vw, 96px);
}

.eia-footer__inner {
  position: relative;
  z-index: var(--eia-z-content);
}


/* --- Immagine decorativa ------------------------------------------------ */

/* 653x510, nodo 2566:260. Sfumata nel fondo da tre gradienti sovrapposti
   (spec § 3.6): dall'alto, in diagonale e da sinistra. */

.eia-footer__decor {
  position: absolute;
  top: 0;
  right: 0;
  z-index: var(--eia-z-decor);
  width: 653px;
  max-width: 60%;
  pointer-events: none;
  user-select: none;
}

.eia-footer__decor img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.eia-footer__decor::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(180deg,
      var(--eia-color-bg-footer) 0%,
      var(--eia-color-bg-footer-fade) 16.004%),
    linear-gradient(44.511deg,
      var(--eia-color-bg-footer-fade) 45.816%,
      var(--eia-color-bg-footer) 91.358%),
    linear-gradient(90deg,
      var(--eia-color-bg-footer) 0.38%,
      var(--eia-color-bg-footer-fade) 37.819%);
}

@media (max-width: 1023px) {
  /* Sotto il tablet l'immagine coprirebbe il testo delle colonne. */
  .eia-footer__decor {
    display: none;
  }
}


/* --- Colonne contatti --------------------------------------------------- */

.eia-footer__contacts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--eia-space-lg);
  margin-bottom: clamp(40px, 5vw, 80px);
}

.eia-footer__col-label {
  margin-bottom: var(--eia-space-2xs);
  font-size: var(--eia-fs-body);
  font-weight: var(--eia-fw-bold);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.eia-footer__col-value {
  font-size: var(--eia-fs-body);
  line-height: var(--eia-lh-body);
  color: var(--eia-color-text);
  text-decoration: none;
}

a.eia-footer__col-value:hover {
  text-decoration: underline;
}

.eia-footer__powered-link {
  display: inline-flex;
  align-items: center;
  transition: filter var(--eia-transition);
}

.eia-footer__powered-link:hover {
  filter: brightness(var(--eia-hover-brightness));
}

.eia-footer__powered-link svg {
  width: 184px;   /* nodo 2566:272 */
  height: 36px;
}


/* --- Newsletter --------------------------------------------------------- */

.eia-footer__newsletter {
  /* La linea dell'input nel design e' larga 478px. */
  max-width: 478px;
  margin-bottom: clamp(40px, 5vw, 72px);
}

.eia-footer__newsletter-title {
  margin-bottom: var(--eia-space-md);
  font-size: var(--eia-fs-body);
  font-weight: var(--eia-fw-bold);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}


/* --- Form --------------------------------------------------------------- */

.eia-form__field {
  margin-bottom: var(--eia-space-md);
}

.eia-form__label {
  display: block;
  margin-bottom: var(--eia-space-2xs);
  font-size: var(--eia-fs-body);
  font-weight: var(--eia-fw-regular);
  /* Il design pone questa label al 20% di opacita' (nodo 2566:269), pari a
     circa 1.9:1 di contrasto contro il 4.5:1 richiesto — su un campo
     OBBLIGATORIO. Default applicato: 60%, sopra soglia.
     Vedi docs/editoria-design-spec.md § 7. */
  color: var(--eia-color-text-muted);
}

.eia-form__input {
  width: 100%;
  padding: var(--eia-space-2xs) 0;
  border: 0;
  /* Nel design il campo e' una semplice linea, non un box. */
  border-bottom: 1px solid var(--eia-color-text);
  border-radius: 0;
  background-color: transparent;
  color: var(--eia-color-text);
  font-size: var(--eia-fs-body);
  transition: border-color var(--eia-transition);
}

.eia-form__input::placeholder {
  color: var(--eia-color-text-muted);
}

.eia-form__input:focus-visible {
  /* L'outline generico di base.css disegnerebbe un rettangolo attorno a un
     campo che box non e': qui il focus si esprime ispessendo la linea e
     aggiungendo l'anello sotto. */
  outline: none;
  border-bottom-width: 2px;
  box-shadow: 0 2px 0 0 var(--eia-color-accent);
}

.eia-form__input:invalid:not(:placeholder-shown) {
  border-bottom-color: var(--eia-color-error);
}


/* Consenso */

.eia-form__consent {
  display: flex;
  align-items: flex-start;
  gap: var(--eia-space-2xs);
  margin-bottom: var(--eia-space-md);
}

.eia-form__checkbox {
  flex-shrink: 0;
  /* 16x16 raggio 4px, nodo 2566:270. */
  width: 16px;
  height: 16px;
  margin: 0;
  /* L'area di tocco reale viene allargata dal padding della label
     adiacente, che e' cliccabile perche' associata via for/id. */
  border: 1px solid var(--eia-color-text-muted);
  border-radius: var(--eia-radius-input);
  background-color: var(--eia-surface-card);
  accent-color: var(--eia-color-accent);
  cursor: pointer;
}

.eia-form__consent-text {
  /* Il design pone questo testo a 9px (nodo 2566:268): illeggibile su
     schermo, e per un consenso al trattamento dati il GDPR richiede forma
     "chiaramente distinguibile, comprensibile e facilmente accessibile"
     (art. 7 c. 2). Default applicato: 12px. */
  font-size: var(--eia-fs-consent-min);
  line-height: 1.5;
  color: var(--eia-color-text-muted);
  cursor: pointer;
}

.eia-form__consent-text a {
  color: var(--eia-color-text);
  text-decoration: underline;
}

.eia-form__submit {
  min-width: 160px;
}

/* Honeypot: fuori dalla vista senza display:none, che alcuni bot
   riconoscono e saltano. */
.eia-form__hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* Esito dell'invio */
.eia-form__status {
  margin-bottom: var(--eia-space-md);
  padding: var(--eia-space-xs) var(--eia-space-sm);
  border-radius: var(--eia-radius-input);
  font-size: var(--eia-fs-body);
}

.eia-form__status--success {
  color: var(--eia-color-success);
  border: 1px solid var(--eia-color-success);
}

.eia-form__status--error {
  color: var(--eia-color-error);
  border: 1px solid var(--eia-color-error);
  background-color: var(--eia-color-error-bg);
}


/* --- Riga legale -------------------------------------------------------- */

.eia-footer__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--eia-space-md);
  padding-top: var(--eia-space-lg);
  border-top: 1px solid var(--eia-color-hairline);
}

.eia-footer__legal-text p {
  font-size: var(--eia-fs-legal);
  line-height: 1.6;
  color: var(--eia-color-text-muted);
}

.eia-footer__legal-links {
  display: flex;
  align-items: center;
  gap: var(--eia-space-sm);
  list-style: none;
  margin: 0;
  padding: 0;
}

.eia-footer__legal-links li + li::before {
  content: "|";
  margin-right: var(--eia-space-sm);
  color: var(--eia-color-text-muted);
}

.eia-footer__legal-links a,
.eia-footer__legal-links span {
  font-size: var(--eia-fs-legal);
  color: var(--eia-color-text-muted);
  text-decoration: none;
}

.eia-footer__legal-links a:hover {
  color: var(--eia-color-text);
  text-decoration: underline;
}


/* --- Sotto 768px -------------------------------------------------------- */

@media (max-width: 768px) {
  .eia-footer__contacts {
    grid-template-columns: 1fr;
    gap: var(--eia-space-md);
  }

  .eia-footer__legal {
    flex-direction: column;
    align-items: flex-start;
  }
}