html,
body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    font-family: "Roboto Mono" !important;
    background: #0f0f0f !important;
    color: #fff !important;
}

.whitespace {
    width: 100%;
    height: 100px;
}

@media (max-width: 768px) {
    .whitespace {
        display: none;
    }
}

/*--------------- typewriter effect --------------- */
.line {
    width: 24em;
    top: 50%;
    margin: auto;
    border-right: 2px solid rgba(255, 255, 255, 0.75);
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    transform: translateY(-50%);
}

.anim-typewriter {
    animation: typewriter 4s steps(40) 1s 1 normal both,
        blinkTextCussor 500ms steps(40) infinite normal;
}

@keyframes typewriter {
    from {
        width: 0;
    }

    to {
        width: 23em;
    }
}

@media (max-width: 768px) {
    @keyframes typewriter {
        from {
            width: 0;
        }

        to {
            width: 20em;
        }
    }
}

@keyframes blinkTextCussor {
    from {
        border-right-color: rgba(255, 255, 255, 0.75);
    }

    to {
        border-right-color: transparent;
    }
}

/*--------------- navigation --------------- */
nav {
    width: 100%;
    background: #0f0f0f;
    height: 80px;
    position: fixed;
    z-index: 1;
}

nav #brand {
    float: left;
    display: block;
    margin-left: 82px;
    line-height: 80px;
    font-weight: bold;
}

nav #brand a {
    color: #fff;
    transition: all 0.3s ease-out;
    text-decoration: none;
}

nav #brand a:hover {
    text-decoration: none;
}

nav #menu {
    float: left;
    right: 80px;
    position: fixed;
}

nav #menu li {
    padding-left: 40px;
    display: inline-block;
    cursor: pointer;
    font-weight: 300;
    line-height: 80px;
    position: relative;
    transition: all 0.3s ease-out;
}

nav #menu li span {
    font-weight: 700;
}

nav #menu li a {
    color: #fff;
    text-decoration: none;
}

nav #menu li a:hover {
    text-decoration: none;
}

#toggle {
    position: absolute;
    right: 30px;
    top: 20px;
    font-weight: 300;
    z-index: 2;
    width: 30px;
    height: 30px;
    cursor: pointer;
    float: right;
    transition: all 0.3s ease-out;
    visibility: hidden;
    opacity: 0;
}

.close-btn {
    position: absolute;
    right: 16px;
    font-weight: 300;
    z-index: 2;
    cursor: pointer;
    top: -2px;
    line-height: 80px;
}

#resize {
    z-index: 1;
    top: 0px;
    position: fixed;
    background: #0f0f0f;
    width: 100%;
    height: 100%;
    visibility: hidden;
    opacity: 0;
    transition: all 1s ease-out;
}

#resize #menu {
    height: 90px;
    position: absolute;
    left: 45%;
    transform: translateX(-40%);
    text-align: center;
    display: table-cell;
    vertical-align: center;
}

#resize #menu li {
    display: block;
    text-align: center;
    padding: 10px 0;
    font-size: 50px;
    min-height: 50px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease-out;
}

#resize li:nth-child(1) {
    margin-top: 140px;
}

#resize #menu li a {
    color: #fff;
}

#resize #menu li a:hover {
    text-decoration: none;
}

#resize.active {
    visibility: visible;
    opacity: 1;
}

@media (max-width: 768px) {
    #toggle {
        visibility: visible;
        opacity: 1;
        margin-top: 6px;
        margin-right: 4px;
    }

    nav #brand {
        margin-left: 24px;
    }

    #menu a {
        font-size: 20px;
        font-weight: 300;
    }

    #resize li span {
        font-weight: bolder;
    }

    nav #menu {
        display: none;
    }
}

@media (min-width: 768px) {
    #resize {
        visibility: hidden !important;
    }
}

/*--------------- hero section --------------- */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero h1 {
    font-weight: lighter;
    text-align: center;
    letter-spacing: -2px;
    line-height: 58px;
    font-size: 25px;
}

@media (max-width: 768px) {
    .header h1 {
        line-height: 25px;
        font-size: 13px;
    }
}