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

a {
    text-decoration: none;
    color: inherit
}

body {
    background-image: url(/recursos/images/backgroundzera.png);
    background-size: cover;
    background-position: center;
    font-family: Arial, sans-serif;
}

header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: #3a0f11;
    padding: 15px 35px;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 10
}

.logo {
    height: 66px;
    transition: transform 0.3s
}

.logo:hover {
    transform: scale(1.06);
    cursor: pointer
}

.ingresar-header-btn {
    color: #fff;
    background-color: #c49832;
    border: none;
    font-size: 16px;
    cursor: pointer;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    border: 1px solid #c49832;
    border-radius: 25px;
    padding-top: 6px;
    padding-bottom: 6px;
    padding-left: 15px;
    padding-right: 15px;
    transition: color 0.3s
}

.ingresar-header-btn:hover {
    color: #000
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgb(0 0 0 / .7);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 11
}

main {
    padding-top: 60px;
    background-image: url(/recursos/images/backgroundzera.png);
    background-position: top center;
    background-attachment: fixed;
    background-size: cover
}

@media (max-width:768px) {
    header {
        display: flex;
        justify-content: space-between;
        background-color: #000;
        padding: 10px 10px;
        position: fixed;
        width: 100%;
        top: 0;
        z-index: 10
    }

    .logo {
        height: 50px;
        margin-left: 10px;
    }

    main {
        padding-top: 60px;
        background-size: cover;
        background-position: center left
    }
}