/* ===========================
   buttons.css — Sistema de botones
   =========================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

/* --- TAMAÑOS --- */
.btn-sm {
  padding: 0.45rem 1rem;
  font-size: 0.82rem;
}

.btn-md {
  padding: 0.7rem 1.5rem;
  font-size: 0.9rem;
}

.btn-lg {
  padding: 0.9rem 2rem;
  font-size: 1rem;
}

.btn-xl {
  padding: 1.1rem 2.5rem;
  font-size: 1.05rem;
}

/* --- VARIANTES --- */
.btn-primary {
  background: linear-gradient(135deg, #00d4ff, #7c3aed);
  color: #000;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(0,212,255,0.25);
}

.btn-primary:hover {
  box-shadow: 0 8px 32px rgba(0,212,255,0.35);
  opacity: 0.92;
}

.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.05);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
}

.btn-outline:hover {
  background: rgba(0,212,255,0.08);
  box-shadow: 0 0 20px rgba(0,212,255,0.15);
}

.btn-purple {
  background: linear-gradient(135deg, #7c3aed, #a78bfa);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(124,58,237,0.3);
}

.btn-purple:hover {
  box-shadow: 0 8px 32px rgba(124,58,237,0.4);
  opacity: 0.92;
}

.btn-green {
  background: linear-gradient(135deg, #10b981, #00d4ff);
  color: #000;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(16,185,129,0.25);
}

.btn-green:hover {
  box-shadow: 0 8px 32px rgba(16,185,129,0.35);
  opacity: 0.92;
}

.btn-wa {
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 4px 20px rgba(37,211,102,0.25);
}

.btn-wa:hover {
  box-shadow: 0 8px 32px rgba(37,211,102,0.35);
  opacity: 0.92;
}

/* --- ÍCONOS --- */
.btn__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.btn__icon-right {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-left: 0.25rem;
}

/* Botón XL con más padding */
.btn-xl .btn__icon,
.btn-xl .btn__icon-right {
  width: 20px;
  height: 20px;
}