/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  background: var(--c-dark-bg);
  color: var(--c-dark-text-secondary);
  padding-block: var(--sp-9) var(--sp-6);
}

.footer__top {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-7);
  padding-bottom: var(--sp-7);
  border-bottom: 1px solid var(--c-dark-border);
}

.footer__brand .logo__img {
  height: 44px;
  filter: brightness(0) invert(1);
  opacity: 0.92;
}

.footer__brand p {
  color: var(--c-dark-text-secondary);
  font-size: var(--fs-sm);
  max-width: 40ch;
  margin-top: var(--sp-4);
}

.footer__social {
  display: flex;
  gap: var(--sp-3);
  margin-top: var(--sp-5);
}

.footer__social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--c-dark-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--c-dark-text);
  transition: border-color var(--dur-fast), background-color var(--dur-fast);
}

.footer__social a:hover {
  background: var(--c-dark-surface);
  border-color: var(--c-dark-accent);
}

.footer__social .icon {
  width: 18px;
  height: 18px;
}

.footer__col h4 {
  color: var(--c-dark-text);
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--sp-4);
}

.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.footer__col a,
.footer__col span {
  font-size: var(--fs-sm);
  color: var(--c-dark-text-secondary);
}

.footer__col a:hover {
  color: var(--c-dark-text);
}

.footer__bottom {
  padding-top: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  font-size: var(--fs-xs);
  color: var(--c-dark-text-secondary);
}

.footer__bottom a {
  color: var(--c-dark-text-secondary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.footer__bottom a:hover {
  color: var(--c-dark-text);
}

@media (min-width: 780px) {
  .footer__top {
    grid-template-columns: 1.3fr 1fr 1fr 1fr;
  }
}

@media (min-width: 640px) {
  .footer__bottom {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

/* ---- Modal: Aviso de privacidad ---- */
.privacy-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  align-items: center;
  justify-content: center;
  padding: var(--sp-5);
}

.privacy-modal:not([hidden]) {
  display: flex;
}

.privacy-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(18, 24, 27, 0.6);
}

.privacy-modal__panel {
  position: relative;
  background: var(--c-white);
  border-radius: var(--radius-lg);
  padding: var(--sp-7);
  max-width: 560px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.privacy-modal__panel h3 {
  margin-bottom: var(--sp-4);
}

.privacy-modal__panel p {
  font-size: var(--fs-sm);
  margin-bottom: var(--sp-4);
}

.privacy-modal__note {
  font-style: italic;
  color: var(--c-secondary);
  font-size: var(--fs-xs);
}

.privacy-modal__close {
  position: absolute;
  top: var(--sp-4);
  right: var(--sp-4);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: var(--c-bg-alt);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}