.c-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  text-decoration: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: transform var(--t-fast), box-shadow var(--t-fast),
    background var(--t-fast);
}

.c-button--primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
  box-shadow: var(--shadow-m);
}

.c-button--ghost {
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

@media (hover: none) {
  .c-button:active {
    transform: translateY(1px);
  }
}