/* Estructura y estilos del pie de página */
.site-footer {
  width: 100%;
  background-color: var(--bg-light);
  border-top: 1px solid var(--border);
}

.site-footer__container {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 1.5rem;
  box-sizing: border-box;
}

/* Distribución de columnas */
.site-footer__main {
  padding: 3rem 0 2.5rem;
}

.site-footer__main > .site-footer__container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 600px) {
  .site-footer__main > .site-footer__container {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 2.25rem;
    row-gap: 2rem;
  }
}

@media (min-width: 1024px) {
  .site-footer__main {
    padding: 3.25rem 0 2.75rem;
  }

  .site-footer__main > .site-footer__container {
    grid-template-columns: 1.25fr 1fr 1fr 1.2fr;
    gap: 2.5rem;
  }
}

/* Bloques de contenido y títulos */
.site-footer__col {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.site-footer__col-title {
  margin: 0 0 1rem;
  color: var(--text);
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.site-footer__logo {
  margin: 0 0 0.5rem;
  color: var(--primary);
  font-size: var(--fs-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.site-footer__tagline {
  max-width: 17rem;
  margin: 0 0 1.25rem;
  color: var(--text-muted);
  font-size: var(--fs-xs);
  line-height: 1.55;
}

/* Enlaces a redes sociales */
.site-footer__social-list {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer__social-item {
  display: inline-flex;
}

.site-footer__social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.125rem;
  height: 2.125rem;
  color: var(--text-muted);
  background-color: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 0.25rem;
  text-decoration: none;
  box-sizing: border-box;
  transition: color 0.15s ease, background-color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.site-footer__social-link:hover {
  color: var(--text-inverse);
  background-color: var(--primary);
  border-color: var(--primary);
  transform: translateY(-1px);
}

.site-footer__social-link:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.site-footer__social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-base);
  line-height: 1;
}

/* Enlaces de navegación */
.site-footer__nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer__nav-link {
  color: var(--text);
  font-size: var(--fs-xs);
  line-height: 1.45;
  text-decoration: none;
  transition: color 0.15s ease;
}

.site-footer__nav-link:hover {
  color: var(--primary);
}

.site-footer__nav-link:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 0.125rem;
}

/* Datos de contacto */
.site-footer__contact-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  color: var(--text);
  font-size: var(--fs-xs);
  line-height: 1.5;
}

.site-footer__contact-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-md);
  line-height: 1;
  flex: 0 0 1.125rem;
  margin-top: 0.125rem;
  color: var(--primary);
}

.site-footer__contact-link {
  color: var(--text);
  text-decoration: none;
  transition: color 0.15s ease;
}

.site-footer__contact-link:hover {
  color: var(--primary);
}

.site-footer__contact-link:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 0.125rem;
}

.site-footer__contact-text {
  color: var(--text);
}

/* Formulario de newsletter */
.site-footer__newsletter-text {
  margin: 0 0 0.875rem;
  color: var(--text-muted);
  font-size: var(--fs-xs);
  line-height: 1.55;
}

.site-footer__newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.site-footer__form-group {
  width: 100%;
}

.site-footer__input {
  width: 100%;
  height: 2.625rem;
  padding: 0 0.875rem;
  color: var(--text);
  font-size: var(--fs-sm);
  background-color: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 0.25rem;
  outline: none;
  box-sizing: border-box;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.site-footer__input::placeholder {
  color: var(--placeholder);
  font-size: var(--fs-xs);
}

.site-footer__input:focus {
  border-color: var(--input-focus);
  box-shadow: 0 0 0 3px rgba(14, 102, 85, 0.15);
}

.site-footer__submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 2.625rem;
  padding: 0 1rem;
  color: var(--text-inverse);
  font-size: var(--fs-xs);
  font-weight: 600;
  background-color: var(--primary);
  border: none;
  border-radius: 0.25rem;
  cursor: pointer;
  box-sizing: border-box;
  transition: background-color 0.15s ease;
}

.site-footer__submit-btn:hover {
  background-color: var(--primary-hover);
}

.site-footer__submit-btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Área de copyright */
.site-footer__bottom {
  padding: 1.25rem 0;
  background-color: var(--bg-dark);
  border-top: 1px solid var(--border);
}

.site-footer__container--bottom {
  display: flex;
  align-items: center;
  justify-content: center;
}

.site-footer__copyright {
  margin: 0;
  color: var(--text-muted);
  font-size: var(--fs-xs);
  line-height: 1.45;
  text-align: center;
}

/* Pie de página minimalista */
.site-footer-minimal {
  width: 100%;
  padding: 1.25rem 0;
  background-color: var(--bg-dark);
  border-top: 1px solid var(--border);
  box-sizing: border-box;
}

.site-footer-minimal__container {
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.site-footer-minimal__copyright {
  margin: 0;
  color: var(--text-muted);
  font-size: var(--fs-xs);
  line-height: 1.4;
  text-align: center;
}

/* Adaptabilidad responsive */
@media (max-width: 767px) {
  .site-footer__container,
  .site-footer-minimal__container {
    padding: 0 1rem;
  }

  .site-footer__main {
    padding: 2.25rem 0;
  }

  .site-footer__main > .site-footer__container {
    gap: 1.75rem;
  }

  .site-footer__bottom,
  .site-footer-minimal {
    padding: 1rem 0;
  }
}