h3#Titulo {
     color: white;
     background-color: rgba(0, 0, 0, 0.562);
     justify-content: center;
     align-items: center;
     margin: 0;
     /* Elimina márgenes por defecto del h1 */
     color: white;
     height: 50px;
     text-align: center;
     font-family: lucida;
     font-size: 2em;
 }

 * {
     box-sizing: border-box;
     margin: 0;
     padding: 0;
 }

 .hero {
     text-align: center;
     padding: 4rem 1rem;
     background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
     color: var(--white);
     border-radius: 10px;
     margin-bottom: 2rem;
 }

 .hero h1 {
     color: var(--white);
     font-size: 2.5rem;
 }

 .btn {
     display: inline-block;
     padding: 0.75rem 1.5rem;
     background-color: var(--accent-color);
     border-radius: 5px;
     font-weight: bold;
     transition: background-color var(--transition-speed), transform 0.2s;
     border: none;
     cursor: pointer;
 }

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