nav { 
    padding: 15px 20px; 
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: var(--glass-bg);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap; /* Permite que los botones bajen ordenadamente en pantallas pequeñas */
    gap: 15px 25px; /* Espacio horizontal y vertical adaptado */
    position: sticky; 
    top: 0; 
    z-index: 100;
    width: 100%;
    box-sizing: border-box;
}

nav a { 
    color: var(--neon-green); 
    text-decoration: none; 
    font-size: 15px;
    font-weight: 700;
    padding: 8px 18px;
    border-radius: 25px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    white-space: nowrap; /* Evita que el texto de un solo botón se rompa en dos líneas */
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

nav a::before {
    content: ''; 
    position: absolute; 
    top: 0; 
    left: -100%;
    width: 100%; 
    height: 100%; 
    background: linear-gradient(90deg, transparent, var(--neon-blue), transparent);
    transition: 0.5s;
}

nav a:hover::before { 
    left: 100%; 
}

nav a:hover { 
    background: var(--glass-bg);
    box-shadow: 0 0 20px var(--neon-blue);
    transform: translateY(-2px);
}

/* 📱 Ajuste específico para celulares */
@media (max-width: 600px) {
    nav {
        padding: 10px 12px;
        gap: 8px 10px;
    }

    nav a {
        font-size: 13px;
        padding: 6px 12px;
        border-radius: 20px;
    }
}