header {
    width: 100%;
    height: 100vh;
    background-color: rgb(2,0,36);
    background-image: linear-gradient(rgba(0, 0, 0, 0.35), rgba(0, 0, 0, 0.35)), var(--headerimg);
    background-repeat: no-repeat;
    /* background-size: auto; */
    background-size: cover;
    background-position: center;
    color: var(--white);
    position: relative;
}

header>div {
    height: 100%;
}

header .fa-brands {
    color: white;
}

header .button-rect {
    margin-top: 5rem;
}

header h2 {
    text-align: center;
    margin: 0;
    font-size: 4.6rem;
}

header h3 {
    margin: 0;
    font-size: 2rem;
    font-weight: normal;
    margin-bottom: 2rem;
    margin-top: 2rem;
}

#header_caption {
    display: block;
    position: absolute;
    height: auto;
    width: auto;
    padding: 10px;
    margin: 10px;
    font-size: 0.7rem;
    background-color: var(--dark-green);
    border: 0px solid transparent;
    border-radius: 999px;
    opacity: 0;
    transition: opacity 0.6s linear;
    overflow: hidden;
    z-index: 5;
}

header #bird-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%; /* Ocupa toda a largura do container */
    height: 100%;
}

header div.col {
    position: relative;
}