body {
    font-family: 'Orbitron', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #00000C;
    margin: 0;
    flex-direction: column;
}

header {
    width: 100%;
    background: linear-gradient(to bottom, #001, #bbb);
    padding: 10px 0;
    text-align: center;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 100;
}

nav a {
    color: white;
    text-decoration: none;
    padding: 15px 20px;
    font-weight: bold;
    font-size: 14px;
    display: inline-block;
    position: relative;
    border-radius: 8px;
    background: transparent;
    transition: background 0.3s ease-in-out, color 0.3s ease;
}

nav a:hover {
    background: linear-gradient(to bottom, #bbb, #001);
    color: #000000;
}

.text-shadow {
    font-size: 60px;
    font-weight: bold;
    color: #fff;
    position: relative;
    text-transform: uppercase;
    display: inline-block;
    transition: text-shadow 0.5s ease, color 0.3s ease;
    margin-top: 70px;
    text-shadow: 
        4px -3px 10px rgba(200, 200, 200, 0.5),
        -10px 5px 15px rgba(200, 200, 200, 0.3),
        12px 0px 20px rgba(150, 150, 150, 0.4),
        -6px -12px 30px rgba(180, 180, 180, 0.6),
        5px 10px 12px rgba(220, 220, 220, 0.7),
        -14px -4px 25px rgba(170, 170, 170, 0.5),
        8px 3px 8px rgba(255, 255, 255, 0.2);
}

.text-shadow:hover {
    text-shadow: 
        0px 0px 5px rgba(255, 255, 255, 0.8);
    color: #000;
    cursor: pointer;
}

.text-shadow:active {
    text-shadow: 
        -30px 0px 30px rgba(255, 255, 255, 0.7),
        30px 0px 30px rgba(255, 255, 255, 0.7);
    color: #fff;
    transition: text-shadow 0.1s ease-out;
}

nav a:active {
    background: #444;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.3); /* Ombre lors du clic */
    transform: scale(0.98); /* Réduit légèrement le lien lors du clic */
    transition: background 0.2s, box-shadow 0.2s, transform 0.2s; /* Transition douce */
}

@media (max-width: 600px) {
    .text-shadow {
        font-size: 40px;
    }

    nav a {
        font-size: 12px;
        padding: 12px 18px;
    }

    header {
        padding: 8px 0;
    }
}
