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

html {
    scroll-snap-type: y mandatory;
    overflow-y: hidden;
    overscroll-behavior: none;
    touch-action: none;
}

body {
    touch-action: none;
    overflow: hidden;
    position: fixed;
    width: 100%;
    height: 100%;
}

section {
    height: 100svh;
    min-height: 100svh;
    width: 100vw;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-family: 'Courier New', Courier, monospace;
    scroll-snap-align: start;
    background-color: #282928;
    padding: 2rem;
    position: relative;
}

h1 {
    font-size: 7rem;
    font-weight: bold;
    margin-bottom: 2rem;
    color: #FFFFFF;
}

h2 {
    font-size: 4.3rem;
    font-weight: normal;
    color: #FFFFFF;
}

.content {
    display: flex;
    align-items: center;
    gap: 2rem;
    max-width: 1100px;
    width: 100%;
}

.image img {
    width: 100%;
    height: auto;
}

#appstore {
    width: 400px;
}

.text {
    flex: 1;
    font-size: 5rem;
    line-height: 1.6;
    color: #FFFFFF;
}

.textsmall {
    font-size: 2rem;
    color: #FFFFFF;
}

#section1 {
    text-align: center;
}

#section1 .image {
    margin-bottom: 2rem;
}

#section1 .image img {
    max-width: 300px;
}

.nav-buttons-up {
    position: absolute;
    top: 2rem;
    right: 2rem;
    display: flex;
    gap: 1rem;
}

.nav-buttons-down {
    position: absolute;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    gap: 1rem;
}

.nav-buttons-home {
    position: absolute;
    top: 2rem;
    left: 2rem;
    display: flex;
    gap: 1rem;
}

.nav-btn {
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    width: 3rem;
    height: 3rem;
    font-size: 1.5rem;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-btn:hover {
    background: rgba(0, 0, 0, 0.8);
}

@media (max-width: 800px) {
    h1 {
        font-size: 3rem;
        margin-bottom: 1.5rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    .content {
        flex-direction: column;
        text-align: center;
    }

    .text {
        font-size: 2rem;
    }

    .textsmall {
        font-size: 1rem;
    }

    #appstore {
        width: 200px;
    }

    #section1 .image img {
        max-width: 60%;
    }

    .nav-btn {
        width: 2.5rem;
        height: 2.5rem;
        font-size: 1.2rem;
    }

    .nav-buttons-up {
        top: 1.5rem;
        right: 1.5rem;
    }

    .nav-buttons-down {
        bottom: 1.5rem;
        right: 1.5rem;
    }

    .nav-buttons-home {
        top: 1.5rem;
        left: 1.5rem;
    }
}