@import url('https://fonts.googleapis.com/css?family=Nunito+Sans');
:root {
    --blue: #0e0620;
    --white: #fff;
    --green: #2ccf6d;
}

html,
body {
    height: 100%;
}

body {
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: "Nunito Sans";
    color: var(--blue);
    font-size: 1em;
}

button {
    font-family: "Nunito Sans";
}

ul {
    list-style-type: none;
    padding-inline-start: 35px;
}

svg {
    width: 100%;
    visibility: hidden;
}

h1 {
    font-size: 7.5em;
    margin: 15px 0px;
    font-weight: bold;
}

h2 {
    font-weight: bold;
}

.hamburger-menu {
    position: absolute;
    top: 0;
    left: 0;
    padding: 35px;
    z-index: 2;
    & button {
        position: relative;
        width: 30px;
        height: 22px;
        border: none;
        background: none;
        padding: 0;
        cursor: pointer;
        & span {
            position: absolute;
            height: 3px;
            background: #000;
            width: 100%;
            left: 0px;
            top: 0px;
            transition: 0.1s ease-in;
            &:nth-child(2) {
                top: 9px;
            }
            &:nth-child(3) {
                top: 18px;
            }
        }
    }
    & [data-state="open"] {
        & span {
            &:first-child {
                transform: rotate(45deg);
                top: 10px;
            }
            &:nth-child(2) {
                width: 0%;
                opacity: 0;
            }
            &:nth-child(3) {
                transform: rotate(-45deg);
                top: 10px;
            }
        }
    }
}

nav {
    position: absolute;
    height: 100%;
    top: 0;
    left: 0;
    background: var(--green);
    color: var(--blue);
    width: 300px;
    z-index: 1;
    padding-top: 80px;
    transform: translateX(-100%);
    transition: 0.24s cubic-bezier(.52, .01, .8, 1);
    & li {
        transform: translateX(-5px);
        transition: 0.16s cubic-bezier(0.44, 0.09, 0.46, 0.84);
        opacity: 0;
    }
    & a {
        display: block;
        font-size: 1.75em;
        font-weight: bold;
        text-decoration: none;
        color: inherit;
        transition: 0.24s ease-in-out;
        &:hover {
            text-decoration: none;
            color: var(--white);
        }
    }
    &[data-state="open"] {
        transform: translateX(0%);
        & ul {
            @for $i from 1 through 4 {
                li:nth-child(#{$i}) {
                    transition-delay: 0.16s * $i;
                    transform: translateX(0px);
                    opacity: 1;
                }
            }
        }
    }
}

.btn {
    z-index: 1;
    overflow: hidden;
    background: transparent;
    position: relative;
    padding: 8px 50px;
    border-radius: 30px;
    cursor: pointer;
    font-size: 1em;
    letter-spacing: 2px;
    transition: 0.2s ease;
    font-weight: bold;
    margin: 5px 0px;
    &.green {
        border: 4px solid var(--green);
        color: var(--blue);
        &:before {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            width: 0%;
            height: 100%;
            background: var(--green);
            z-index: -1;
            transition: 0.2s ease;
        }
        &:hover {
            color: var(--white);
            background: var(--green);
            transition: 0.2s ease;
            &:before {
                width: 100%;
            }
        }
    }
}

@media screen and (max-width:768px) {
    body {
        display: block;
    }
    .container {
        margin-top: 70px;
        margin-bottom: 70px;
    }
}