:root {
    --primary: #e3434f;
    --secondary: lightsalmon;
    --secondary-highlight: coral;
    --light-gray: #FAFAFA;
    --medium-gray: #F0F0F0;
    --white: #ffffff;
    /*--black: #2e2926;*/
    --black: #203139;
    --black-highlight: #355260;
    --heading-font: 'Futura', 'Century Gothic', Helvetica, Arial, sans-serif;
    --text-font: 'Futura', 'Century Gothic', Helvetica, Arial, sans-serif;
}

body {
    font-family: var(--heading-font);
    font-size: 16px;
    margin: 0;
    padding: 0;
    background-color: var(--medium-gray);
    scroll-behavior: smooth;
}

header {
    background-color: var(--white);
    color: var(--black);
    padding: 10px 0;
    text-align: center;
}

.site-logo-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    position: relative;
}

.logo-name {
    flex: 0 0 auto;
    display: flex;
    flex-direction: row;
    gap: 20px;
    margin-left: 20px;
}

.hamburger {
    margin-right: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 10;
}

.hamburger .bar {
    width: 30px;
    height: 3px;
    background-color: var(--black);
    border-radius: 5px;
    transition: all 0.5s ease;
}

.hamburger.open .bar:nth-child(1) {
    transform: translateY(10px) rotate(45deg);
}

.hamburger.open .bar:nth-child(2) {
    opacity: 0;
}

.hamburger.open .bar:nth-child(3) {
    transform: translateY(-10px) rotate(-45deg);
}

.nav-menu {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: -100vh;
    right: 70px;
    transition: all 0.5s ease;
    transform: skew(-10deg);
}

.nav-menu a {
    padding: 10px 20px;
    text-decoration: none;
    color: var(--white);
    background-color: var(--black);
    margin: 5px 0;
}

.nav-menu a:hover {
    background-color: var(--black-highlight);
    color: var(--white);
}

.nav-menu.active {
    top: 20px;
}

.section {
    box-sizing: border-box;
    width: 100%;
    padding: 60px 20px;
}

#about {
    background-color: var(--medium-gray);
}

#services {
    background-color: var(--light-gray);
}

#contact {
    background-color: var(--medium-gray);
}

.container {
    box-sizing: border-box;
    padding: 0 20px;
}

.content {
    max-width: 1024px;
    margin: auto;
    text-align: left;
    padding: 40px 0;
    font-family: var(--text-font);
}

.max-width {
    max-width: 1024px;
    margin: auto;
}

.slogan {
    margin: 25px auto -25px;
    text-align: center;
    color: var(--black);
}

.section-header {
    font-family: var(--heading-font);
    transform: skew(-10deg);
    display: inline-block;
    background-color: var(--black);
    color: var(--white);
    padding: 10px 20px;
    margin-bottom: 20px;
    font-size: 24px;
    position: relative;
}

.service-heading {
    font-size: 28px;
    color: var(--black);
    position: relative;
    display: inline-block;
    padding-bottom: 10px;
    text-align: center;
}

.service-heading::after {
    content: '';
    display: block;
    width: 110%;
    height: 4px;
    background-color: var(--primary);
    position: absolute;
    bottom: 0;
    left: -5%;
}

.heading-app-dev::after {
    background-color: var(--secondary);
}

.heading-game-dev::after {
    background-color: var(--secondary-highlight);
}

footer {
    background-color: var(--black);
    color: var(--white);
    text-align: center;
    padding: 10px 0;
    font-size: 14px;
}

.back-to-top {
    box-sizing: border-box;
    position: fixed;
    bottom: 50px;
    right: calc(10% - 37px);
    background-color: var(--black);
    color: var(--white);
    padding: 20px;
    height: 75px;
    width: 75px;
    border-radius: 50%;
    text-align: center;
    text-decoration: none;
    font-size: 26px;
    display: none;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.back-to-top:hover {
    background-color: var(--black-highlight);
}

.contact-thanks {
    display: none;
    background: var(--black-highlight);
    color: var(--white);
    max-width: 600px;
    margin: 0 auto 20px;
    padding: 10px 20px;
    text-align: center;
}

.contact-thanks.show {
    display: block;
}

.contact-thanks.error {
    background: var(--black);
}

form {
    display: flex;
    flex-direction: column;
    max-width: 600px;
    margin: auto;
}

form button:focus,
form input:focus,
form textarea:focus {
    outline: 2px solid var(--black);
}

form button, form input, form textarea {
    margin-bottom: 10px;
    padding: 10px;
    font-size: 16px;
    font-family: var(--text-font);
    border: 1px solid var(--medium-gray);
}

form button[type="submit"] {
    font-family: var(--heading-font);   
    background-color: var(--black);
    color: var(--white);
    border: none;
    cursor: pointer;
    padding: 10px 20px;
    font-size: 16px;
}

form button[type="submit"]:hover {
    background-color: var(--black-highlight);
}

.contact-browser-x {
    position: absolute;
    left: -99999em;
}

@media screen and (min-width: 768px) {
    .logo-name, nav {
        flex: auto;
    }
}

@media screen and (min-width: 1024px) {
    .hamburger {
        margin-right: 0;
    }

    .nav-menu {
        right: 50px;
    }

    .logo-name {
        margin-left: 0;
    }
}