header {
    text-align: center;
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    color: var(--white);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    text-align: center;
    padding: 20px;
    background: rgba(0, 0, 0, 0.7);
}

.header__bg {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: -1;
    transform: translate(-50%, -50%);
    object-fit: cover;
}

.header__text-box {
    height: 30vh;
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    text-shadow: -1px -1px 15px var(--details-purple);
}

.header__btn {
    background-color: var(--shadow-black);
    color: var(--font-blue);
    border: 1px solid var(--details-purple);
    padding: 10px;
    border-radius: 13px 0 4px 0;
    animation: pulse 2.5s ease-in-out infinite;
}

.header__btn:hover {
    background-color: var(--details-purple);
    color: var(--white);
    transition-property: background-color, color;
    animation: none;
    border: 1px solid var(--shadow-black);
    box-shadow: 2px 2px 20px var(--white);
}