/* Buttons. Primary CTA: gold background, dark text. */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 3rem;
  padding: var(--space-3) var(--space-5);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.01em;
  text-align: center;
  text-decoration: none;
  transition: background-color var(--transition), border-color var(--transition), color var(--transition);
}

.btn .icon {
  width: 1.25rem;
  height: 1.25rem;
}

.btn--primary {
  background: var(--color-gold);
  color: var(--color-bg-dark);
}

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

/* Secondary: outline, adapts to the section theme */
.btn--secondary {
  border-color: var(--color-text);
  background: transparent;
  color: var(--color-text);
}

.btn--secondary:hover {
  background: var(--color-text);
  color: var(--color-white);
}

:is(.theme-dark, .theme-surface) .btn--secondary {
  border-color: var(--color-silver);
  color: var(--color-text-on-dark);
}

:is(.theme-dark, .theme-surface) .btn--secondary:hover {
  border-color: var(--color-gold);
  background: transparent;
  color: var(--color-gold);
}

/* Dark solid button for light sections */
.btn--dark {
  background: var(--color-bg-dark);
  color: var(--color-white);
}

.btn--dark:hover {
  background: var(--color-surface-dark);
}

/* Text link with arrow */
.btn--link {
  min-height: var(--touch-target);
  padding-inline: 0;
  color: inherit;
  text-decoration: underline;
  text-decoration-color: var(--color-champagne);
  text-underline-offset: 0.3em;
}

.btn--link:hover {
  text-decoration-color: currentColor;
}

:is(.theme-dark, .theme-surface) .btn--link:hover {
  color: var(--color-gold);
}

.btn--block {
  width: 100%;
}

.btn[aria-disabled="true"],
.btn:disabled {
  opacity: 0.5;
  pointer-events: none;
}