.useful-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.25rem;
}

.useful-dots {
  display: flex;
  gap: 0.5rem;
}

.useful-dot {
  width: 34px;
  height: 3px;
  padding: 0;
  border: 0;
  background: var(--color-border);
  cursor: pointer;
  transition: width var(--transition), background var(--transition);
}

.useful-dot--active {
  width: 52px;
  background: var(--color-accent);
}

.useful-counter {
  color: var(--color-text-muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

#useful-current { color: var(--color-text); }

@media (max-width: 860px) {
  .useful-post { grid-template-columns: 1fr; }
  .useful-post__media { padding: 1rem 1rem 0; }
  .useful-post__content { padding: 1.5rem; }
}

@media (max-width: 560px) {
  .useful-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .useful-controls { align-self: flex-end; }
  .useful-post__content { padding: 1.2rem; }
  .useful-post h3 { font-size: 1.45rem; }
  .useful-post__lead { font-size: 0.92rem; }
}