/* ==================== BOTONES ==================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.25s;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  position: relative;
  overflow: hidden;
}

/* Shimmer al hover */
.btn::after {
  content: '';
  position: absolute;
  top: 0; left: -80%;
  width: 50%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.18), transparent);
  transform: skewX(-20deg);
  transition: left 0.55s ease;
  pointer-events: none;
}
.btn:hover::after { left: 140%; }

/* Ripple al click */
.btn-ripple {
  position: absolute;
  border-radius: 50%;
  width: 8px; height: 8px;
  margin: -4px;
  background: rgba(255,255,255,0.35);
  animation: btn-ripple 0.65s ease-out forwards;
  pointer-events: none;
}
@keyframes btn-ripple {
  0%   { transform: scale(0);  opacity: 0.7; }
  100% { transform: scale(18); opacity: 0; }
}

/* Variantes */
.btn--primary {
  background: linear-gradient(135deg, var(--primary) 0%, #e53935 100%);
  color: white !important;
  box-shadow: 0 4px 14px rgba(211,47,47,0.35);
}
.btn--primary:hover {
  background: linear-gradient(135deg, #e53935 0%, var(--primary-dark) 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(211,47,47,0.5);
}

.btn--outline {
  background: transparent;
  border: 2px solid var(--border);
  color: var(--text);
}
.btn--outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(211,47,47,0.06);
}

.btn--full { width: 100%; justify-content: center; margin-top: 0.5rem; }