:root {
    scroll-behavior: smooth;
}

#sobre, #registrar {
    padding-top: 10px;
}

#palestra {
    padding-top: 50px;
}

.headline-super {
    background: #eff1ff;
    background: radial-gradient(ellipse at center, #ffffff 40%, #545454 100%);
    background-position: center center;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 50px;
    line-height: 1.3;
    font-weight: 700;
    font-family: 'Prompt', sans-serif;
    
}

.jumbvideo {
    position: static;
    overflow: hidden;
    background-color: black;
    width:100%;
    height:100%;
}

.jumbvideo video {
    position: absolute;
    top: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.jumbvideo .container {
    z-index: 2;
    position: relative;
}

.sobre {
    
    text-align: center;
    margin: 6% 0;
    max-width: 100%;
}

.sobre h2 {
    font-size: 50px;
    margin-bottom: 2%;

    background: #0057b0;
    background: radial-gradient(ellipse at center, #3e7bb9 10%, #02223f 100%);
    background-size: 60% 160%;
    background-position: center center;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 500;
    line-height: 1.05;
    letter-spacing: -.015em;

    font-family: "SF Pro Display","SF Pro Icons","Helvetica Neue","Helvetica","Arial",sans-serif;

    text-transform: uppercase;
    text-align: center;
}


.sobre .bloco {

    margin: 20% 0;
    width: 61%;
    margin-left: auto;
    margin-right: auto; 
}

.card-palestrante {
    margin: 1% 0;
}

.card-palestrante p {
    text-align: center;
    margin: 15px 17%;
}

.palestra img {
    border-radius: 5px;
}

.palestra .btn {
    border-radius: 5px;
    background-color: #0057b0;
    border: 0px;
    opacity: .5;
    transition: .5s;
}

.palestra .btn:hover {
    opacity: .9;
}



/* MOBILE */
@media(max-width: 425px) {

    .sobre h2 {
        font-size: 1.82rem;
    }

    .headline-super {
        font-size: 2rem;
    }

    .container {
        margin: auto;
        max-width: 100%;
    }

    .sobre {
        margin: 3%;
    }

    .sobre .bloco {
        width: 100%;
        margin: 30vh 0%;
        height: auto;
    }

    .card-palestrante {
        margin: 10% 0;
    }

    a[href='#sobre'], a[href='#palestra'] {
        display: none;
    }

    .jumbvideo {
        background-color: #000;
        background-image: url(../src/bg-mobile.png);
        -webkit-background-size: cover;
        -o-background-size: cover;
        -moz-background-size: cover;
        background-position: center;
        background-size: 100vw;
    }

    #banner {
        display:none;
    }

}