.nav-principal{background-color:#fff;position:sticky;top:0;z-index:50;box-shadow:0 2px 6px #0000001a}.titulo-nav{font-size:1.5rem;font-weight:700;color:#393839;margin:0;text-align:center}.contenedor-nav{max-width:1200px;margin:0 auto;padding:12px 24px;display:flex;justify-content:space-between;align-items:center}.logo-img{height:60px}.texto-fallback{font-weight:700;font-size:1.25rem;color:#1f2937;display:none}.boton-reservar{background-color:#3a7cc1;color:#fff;font-weight:700;padding:10px 20px;border-radius:8px;text-decoration:none;transition:background-color .3s ease;display:inline-block;animation:pulse 2.5s infinite}.boton-reservar:hover{background-color:#2e64a0}@keyframes pulse{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.05);opacity:.95}}@media (max-width: 640px){.titulo-nav{display:none}}