.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);

  min-height: 46px;

  padding-inline: 18px;

  border: 1px solid transparent;
  border-radius: var(--radius-sm);

  font-size: var(--font-sm);
  font-weight: var(--weight-semibold);

  line-height: 1;

  transition:
    transform var(--transition-fast),
    background var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast),
    opacity var(--transition-fast);
}

.button:hover {
  transform: translateY(-1px);
}

.button:active {
  transform: translateY(0);
}

.button-primary {
  border-color: var(--accent);

  background: var(--accent);
  color: var(--accent-foreground);
}

.button-primary:hover {
  opacity: 0.88;
}

.button-secondary {
  border-color: var(--border-default);

  background: var(--surface-2);
  color: var(--text-primary);
}

.button-secondary:hover {
  border-color: var(--border-strong);

  background: var(--surface-4);
}

.button-ghost {
  border-color: transparent;

  background: transparent;
  color: var(--text-secondary);
}

.button-ghost:hover {
  background: var(--surface-2);
  color: var(--text-primary);
}

.button-outline {
  border-color: var(--border-strong);

  background: transparent;
  color: var(--text-primary);
}

.button-outline:hover {
  border-color: var(--text-muted);

  background: var(--surface-2);
}

.button-danger {
  border-color: rgba(223, 115, 115, 0.2);

  background: rgba(223, 115, 115, 0.08);
  color: #e99a9a;
}

.button-danger:hover {
  border-color: rgba(223, 115, 115, 0.35);

  background: rgba(223, 115, 115, 0.12);
}

.button-small {
  min-height: 36px;

  padding-inline: 13px;

  font-size: var(--font-xs);
}

.button-large {
  min-height: 52px;

  padding-inline: 22px;

  border-radius: var(--radius-md);

  font-size: var(--font-md);
}

.button-icon {
  width: 42px;
  height: 42px;

  padding: 0;
}

.button-icon-small {
  width: 34px;
  height: 34px;

  padding: 0;
}

.button svg {
  width: 16px;
  height: 16px;

  flex-shrink: 0;
}

.button-large svg {
  width: 18px;
  height: 18px;
}

.button-arrow {
  transition:
    transform var(--transition-fast);
}

.button:hover .button-arrow {
  transform: translateX(2px);
}

.button-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;

  gap: var(--space-2);
}

.button-full {
  width: 100%;
}

.icon-button {
  display: inline-grid;
  place-items: center;

  width: 40px;
  height: 40px;

  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);

  background: var(--surface-2);

  color: var(--text-secondary);

  transition:
    background var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast);
}

.icon-button:hover {
  border-color: var(--border-strong);

  background: var(--surface-4);
  color: var(--text-primary);

  transform: translateY(-1px);
}

.icon-button svg {
  width: 16px;
  height: 16px;
}

.text-button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);

  color: var(--text-secondary);

  font-size: var(--font-sm);
  font-weight: var(--weight-medium);

  transition:
    color var(--transition-fast);
}

.text-button:hover {
  color: var(--text-primary);
}

.text-button::after {
  content: "→";

  font-family: var(--font-mono);

  transition:
    transform var(--transition-fast);
}

.text-button:hover::after {
  transform: translateX(3px);
}

.button[aria-disabled="true"],
.button:disabled,
.icon-button:disabled {
  pointer-events: none;

  opacity: 0.45;
}

@media (max-width: 540px) {
  .hero-actions.button-group {
    width: 100%;
  }

  .hero-actions .button {
    width: 100%;
  }

  .button-large {
    min-height: 50px;
  }
}