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

:root {
    --page-1-color: steelblue;
    --page-2-color: tan;
    --page-3-color: teal;
    --page-4-color: slateblue;
    --animate-spin: 2s;
}

html,
body {
    font-family: 'Poppins', sans-serif;
    scroll-behavior: smooth;
}

.page {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 0 3rem;
    color: #fff;

    h1 {
        font-size: 4rem;
        line-height: 1.2;
        margin: 2rem;
    }

    p {
        font-size: 1.3rem;
    }
}

#page-1 {
    background: var(--page-1-color);
}

#page-2 {
    background: var(--page-2-color);
}

#page-3 {
    background: var(--page-3-color);
}

#page-4 {
    background: var(--page-4-color);
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    background: #f4f4f4;
    color: #333;
    text-decoration: none;
    margin-top: 3rem;
    font-size: 1.1rem;
    border: none;
    transition: all 0.5s ease-in;

    &:hover {
        background-color: #333;
        color: #fff;
    }
}

.btn-dark {
    background: #333;
    color: #fff;

    &:hover {
        opacity: 0.9;
    }
}

#page-1 {
    h1 {
        transform: translateY(-1200px);
        animation: headingMove var(--animate-spin) forwards ease-in;
    }

    p {
        transform: translateX(-1800px);
        animation: textMove var(--animate-spin) forwards ease-in;
    }
}

@keyframes headingMove {
    to {
        transform: translateY(0);
    }
}

@keyframes textMove {
    to {
        transform: translateY(0);
    }
}

@media (max-width:768px) {
    .page {
        h1 {
            font-size: 3.5rem;
        }

        p {
            font-size: 1.1rem;
        }
    }
}