* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html,
body {
    width: 100%;
    min-height: 100%;
}

body {
    background-color: #000000;
    color: #ffffff;
    font-family: Arial, Helvetica, sans-serif;
}

.pagina {
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px;
}

.conteudo {
    width: 100%;
    max-width: 500px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.logo-container {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 40px;
}

.logo {
    width: min(320px, 80vw);
    height: 160px;

    background-color: rgb(70, 70, 70);

    -webkit-mask-image: url("logo.svg");
    mask-image: url("logo.svg");

    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;

    -webkit-mask-position: center;
    mask-position: center;

    -webkit-mask-size: contain;
    mask-size: contain;

    opacity: 0.35;

    transition:
        background-color 0.15s linear,
        opacity 0.15s linear;
}

.barra-container {
    width: 100%;
    max-width: 360px;
    height: 3px;
    background-color: #202020;
    overflow: hidden;
}

.barra-progresso {
    width: 0%;
    height: 100%;
    background-color: #ffffff;
    transition: width 0.12s linear;
}

.porcentagem {
    margin-top: 12px;
    color: #777777;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 2px;
}

.mensagem {
    margin-top: 30px;
    color: #b5b5b5;
    font-size: 13px;
    font-weight: 400;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    opacity: 0;
    transform: translateY(5px);

    transition:
        opacity 0.5s ease,
        transform 0.5s ease;
}

.mensagem.visivel {
    opacity: 1;
    transform: translateY(0);
}

.botao-login {
    min-width: 160px;
    margin-top: 28px;
    padding: 13px 28px;

    border: 1px solid #ffffff;
    border-radius: 2px;

    background-color: transparent;
    color: #ffffff;

    font-size: 12px;
    font-weight: 600;
    letter-spacing: 3px;

    cursor: pointer;

    opacity: 0;
    pointer-events: none;
    transform: translateY(8px);

    transition:
        background-color 0.25s ease,
        color 0.25s ease,
        opacity 0.5s ease,
        transform 0.5s ease;
}

.botao-login.visivel {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.botao-login:hover {
    background-color: #ffffff;
    color: #000000;
}

.botao-login:focus-visible {
    outline: 2px solid #ffffff;
    outline-offset: 5px;
}

@media (max-width: 600px) {
    .pagina {
        padding: 24px;
    }

    .logo {
        width: min(280px, 78vw);
        height: 140px;
    }

    .barra-container {
        max-width: 280px;
    }
}