.cabecera-main {
    width: 100%;
    left: 0;
    top: 0;
    background: 
        linear-gradient(90deg, rgba(16, 17, 17, 0.85) 0%, rgba(9, 123, 236, 0.85) 100%),
        url('../img/fondo_header.png') center center/cover no-repeat;
    color: #fff;
    padding: 28px 0 18px 0;
    text-align: center;
    font-size: 2rem;
    font-weight: bold;
    letter-spacing: 2px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    position: relative;
    z-index: 10;
}
.navbar {
    display: flex;
    width: 100%;
    justify-content:space-between;
    align-items: center;
    padding: 0px 24px;
    border-bottom: 1.5px solid #e2e3e5;
}
.navbar .nav-link {
    font-size: 0.8rem;
    color: #23272f;
    text-decoration: none;
    font-weight: 500;
    padding: 2px 6px;
    border-radius: 4px;
    transition: background 0.2s, color 0.2s;
    margin-right: 8px;
}
.navbar .nav-link:hover {
    background: #007BFF;
    color: #fff;
}
.opt {
    display: flex;
    gap: 2px;
}
.bienvenida {
    display: flex;
    align-items: center;      /* Centra verticalmente */
    justify-content: center;  /* Centra horizontalmente */
    height: 100%;             /* Ocupa toda la altura del contenedor padre */
    text-align: center;
    font-size: 1.1rem;
    color: #333;
    margin: 0;
    padding: 12px 0;
}
.bienvenida .text5 {
    color: #007BFF;
    font-weight: bold;
    margin: 0 4px;
    font-size: 12px;
}
@media (max-width: 600px) {
    .cabecera-main { font-size: 1rem; }
    .navbar { flex-direction: column; gap: 4px; padding: 4px 0px; }
    .opt { flex-direction: row; gap: 6px; }
    .bienvenida { font-size: 1rem; }
}