* {
    box-sizing: border-box;
}

@media (max-width: 600px) {

    body {
        gap: 2rem;
        padding-top: 100px;
    }

    .main_header {
        height: 75px;
        border-radius: 0 0 20px 20px;
    }

    .gw_technik,
    .chattie {
        height: 80px;
    }

}

body {
    margin: 0;

    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;

    min-height: 100vh;

    background: linear-gradient(
        90deg,
        rgba(2,0,36,1) 0%,
        rgba(9,9,121,1) 35%,
        rgba(0,212,255,1) 100%
    );

    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;

    gap: 3rem;

    padding-top: 120px;
    padding-inline: 1rem;
}

.main_header {
    position: fixed;
    top: 0;
    left: 0;

    width: 100%;
    height: 90px;

    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;

    z-index: 1000;

    background: linear-gradient(
        125deg,
        rgba(0,183,255,1) 0%,
        rgba(0,67,125,1) 50%,
        rgba(2,221,245,1) 100%
    );

    color: rgb(240,240,240);

    font-size: clamp(1.3rem, 3vw, 2rem);
    font-weight: 600;

    border-radius: 0 0 25px 25px;

    box-shadow:
        0 0 1rem white,
        0 0 2rem white;
}

.header_icon {
    width: clamp(40px, 5vw, 60px);
    height: auto;

    filter: drop-shadow(0 2px 0.3rem rgb(84, 175, 228));
}

.Buttons {
    width: 100%;

    display: flex;
    flex-direction: column;

    justify-content: center;
    align-items: center;

    gap: 2rem;
}

.gw_technik {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;

    width: 320px;
    height: 90px;

    border: none;
    border-radius: 20px;

    background-color: #f1dfb500;
    color: rgb(197, 212, 255);

    font-size: 38px;
    font-weight: 600;

    cursor: pointer;

    box-shadow:
    0 0 10px rgb(0, 132, 255),
    0 0 20px rgb(0, 132, 255),
    0 0 30px rgb(0, 132, 255);
    transition: 0.3s;
}

.gw_technik:hover {
    background-color: rgb(0, 89, 255);
    color: black;
    background-image: url("assets/stage.png");
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    transform: scale(1.05);
}