* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    min-height: 100vh;

    display: flex;
    justify-content: center;
    align-items: center;

    background: #0b0b0d;
    color: #f5f5f5;

    font-family: Arial, Helvetica, sans-serif;

    overflow: hidden;
}

.container {
    width: 90%;
    max-width: 900px;

    text-align: center;
}

.message {
    font-size: clamp(1.4rem, 3vw, 2.5rem);
    font-weight: 600;

    line-height: 1.3;
    letter-spacing: -0.03em;
}

.brand {
    display: inline-block;

    color: #ff1744;
    font-weight: 900;

    white-space: nowrap;

    text-shadow:
        0 0 10px rgba(255, 23, 68, 0.5),
        0 0 30px rgba(255, 23, 68, 0.25);

    animation: shake 1.8s infinite;
}

.subtitle {
    margin-top: 12px;

    font-size: clamp(1rem, 2vw, 1.25rem);

    color: #a5a5aa;
}

.login-button {
    display: inline-block;

    margin-top: 35px;
    padding: 15px 42px;

    color: #ffffff;
    background: #ff1744;

    border: 2px solid #ff1744;
    border-radius: 50px;

    font-size: 1rem;
    font-weight: 800;

    letter-spacing: 0.08em;
    text-decoration: none;
    text-transform: uppercase;

    transition:
        transform 0.2s ease,
        background 0.2s ease,
        color 0.2s ease,
        box-shadow 0.2s ease;
}

.login-button:hover {
    background: transparent;
    color: #ff1744;

    transform: translateY(-4px);

    box-shadow:
        0 10px 35px rgba(255, 23, 68, 0.3);
}

.login-button:active {
    transform: translateY(-1px);
}


/* Animazione afanculo.it */

@keyframes shake {

    0%,
    100% {
        transform: rotate(0deg) scale(1);
    }

    5% {
        transform: rotate(-2deg) scale(1.03);
    }

    10% {
        transform: rotate(2deg) scale(1.03);
    }

    15% {
        transform: rotate(-1deg) scale(1);
    }

    20% {
        transform: rotate(0deg) scale(1);
    }
}


/* Responsive */

@media (max-width: 600px) {

    .container {
        width: 88%;
    }

    .message {
        font-size: 1.5rem;
    }

    .login-button {
        width: 100%;
        max-width: 280px;
    }
}