/* ============================================================
   MOMENTI INTERIOR — buttons.css
   ============================================================ */

/* ── BASE ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  font-family: var(--font-body);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
  padding: 18px 44px;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    opacity var(--transition-base),
    transform var(--transition-fast);
  white-space: nowrap;
  user-select: none;
  position: relative;
  overflow: hidden;
}

.btn:active {
  transform: translateY(1px);
}

/* ── PRIMARY — fondo oro ── */
.btn--primary {
  background: var(--color-gold);
  color: var(--color-text-inverse);
  border-color: var(--color-gold);
}

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

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

/* ── OUTLINE — bordo oro, sfondo trasparente ── */
.btn--outline {
  background: transparent;
  color: var(--color-text-primary);
  border-color: rgba(255, 255, 255, 0.25);
}

.btn--outline:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

/* ── GHOST — solo testo ── */
.btn--ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: transparent;
  padding-inline: 0;
}

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

/* ── DARK — sfondo scuro ── */
.btn--dark {
  background: var(--color-surface-2);
  color: var(--color-text-primary);
  border-color: var(--color-border);
}

.btn--dark:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

/* ── SMALL ── */
.btn--sm {
  font-size: 10px;
  padding: 12px 28px;
  letter-spacing: var(--letter-spacing-widest);
}

/* ── LARGE ── */
.btn--lg {
  font-size: var(--font-size-sm);
  padding: 22px 56px;
}

/* ── FULL WIDTH ── */
.btn--full {
  width: 100%;
}

/* ── ICONA ── */
.btn__icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.btn:hover .btn__icon {
  transform: translateX(4px);
}

/* ── BTN-LINK (testo con freccia) ── */
.btn-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-body);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
  color: var(--color-text-secondary);
  border: none;
  background: none;
  cursor: pointer;
  padding: 0;
  transition: color var(--transition-base);
  position: relative;
}

.btn-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-gold);
  transition: width var(--transition-base);
}

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

.btn-link:hover::after {
  width: 100%;
}

.btn-link--minimal {
  color: var(--color-text-muted);
}

.btn-link--minimal:hover {
  color: var(--color-gold);
}

.btn-link__arrow {
  display: flex;
  align-items: center;
  transition: transform var(--transition-base);
}

.btn-link:hover .btn-link__arrow {
  transform: translateX(5px);
}

.btn-link__arrow svg {
  stroke: currentColor;
}