/* ==========================================================================
   Boutons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xs);
  padding: 0.95rem 2rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast),
    background-color var(--transition-fast), color var(--transition-fast),
    border-color var(--transition-fast);
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--color-gold-light), var(--color-gold) 60%, var(--color-gold-dark));
  color: var(--color-black);
  box-shadow: var(--shadow-gold);
}

.btn-primary:hover {
  box-shadow: 0 14px 34px rgba(184, 147, 74, 0.4);
  transform: translateY(-2px);
}

.btn-outline {
  border: 1px solid var(--color-border-on-dark);
  color: var(--color-cream);
  background: rgba(248, 244, 234, 0.04);
}

.btn-outline:hover {
  border-color: var(--color-accent);
  background: rgba(184, 147, 74, 0.12);
  transform: translateY(-2px);
}

.btn-ghost {
  color: var(--color-black);
  border: 1px solid var(--color-border);
}

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

.btn-block {
  width: 100%;
}

/* Effet magnétique : JS pilote --mx/--my selon la position du curseur */
.btn-magnetic {
  --mx: 0px;
  --my: 0px;
  transition: transform 0.3s var(--ease-spring), box-shadow var(--transition-fast),
    background-color var(--transition-fast), border-color var(--transition-fast);
}

.btn-magnetic span {
  display: inline-block;
  transition: transform 0.3s var(--ease-spring);
}

.btn-magnetic,
.btn-magnetic:hover,
.btn-magnetic:active {
  transform: translate(var(--mx), var(--my));
}

@media (prefers-reduced-motion: reduce) {
  .btn-magnetic,
  .btn-magnetic:hover {
    transform: none !important;
  }
}