.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.051);
    backdrop-filter: blur(8px);
    z-index: 1000;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px; /* menos espacio arriba y abajo */
}

.menu a {
    color: #000000;
    margin: 0 10px;
    text-decoration: none;
    position: relative;
    transition: 0.3s;
}

.menu a:hover {
    color: #f5b400;
}

.btn-login {
    background: #f5b400;
    padding: 8px 15px;
    border-radius: 5px;
    color: #000;
}

.header.scrolled {
    background: #012b7554;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

/* LOGO */
.logo {
    margin-left: -10px;
}

.logo img {
    height: 130px; /* logo más grande */
    width: auto;
}