@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&dislpay=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    height: 50vh;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: url('pictures/dark-background-abstract-background-network-3d-background-6016x3384-8324.png') no-repeat;
    background-size: cover;
    background-position: center;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 98%;
    padding: 3px 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 99;
}

body h1 {
    font-size: 90px;
    color: #d4d4d4;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

body p {
    font-size: 20px;
    color: #d4d4d4;
    padding: 60px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

body h3 {
    font-size: 30px;
    color: #d4d4d4;
    padding: 20px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo {
    font-size: 2em;
    color: aliceblue;
    user-select: none;
    font-family: 'Poppins';
}


#hamburger-nav {
    display: none;
}

.hamburger-menu {
    position: relative;
    display: inline-block;
}

.hamburger-icon {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 24px;
    width: 30px;
    cursor: pointer;
}

.hamburger-icon span {
    width: 100%;
    height: 2px;
    background-color: black;
    transition: all 0.3 ease-in-out;
}

.menu-links {
    position: absolute;
    top: 100%;
    right: 0%;
    background-color: white;
    width: fit-content;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3 ease-in-out;
}

.menu-links a {
    display: block;
    padding: 10px;
    text-align: center;
    font-size: 1.5rem;
    color: black;
    text-decoration: none;
    transition: all 0.3 ease-in-out;
}

.menu-links li {
    list-style: none;
}

.menu-links.open {
    max-height: 300px;
}

.hamburger-icon.open span:first-child {
    transform: rotate(45deg) translate(10px, 5px);
}
.hamburger-icon.open span:nth-child(2) {
    opacity: 0;
}
.hamburger-icon.open span:last-child {
    transform: rotate(-45deg) translate(10px, -5px);
}

.hamburger-icon span:first-child {
    transform: none;
}
.hamburger-icon span:first-child {
    opacity: 1;
}
.hamburger-icon span:first-child {
    transform: none;
}

.navigation a {
    position: relative;
    font-size: 1.5em;
    color: #fff;
    text-decoration: none;
    font-weight: 81;
    margin-left: 10px;
    
}

.navigation a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 100%;
    height: 3px;
    background: #fff;
    border-radius: 5px;
    transform-origin: right;
    transform: scaleX(0);
    transition: transform .5s;

}

.navigation a:hover::after {
    transform-origin: left;
    transform: scaleX(1);
}

.navigation .btnLogin-popup {
    width: 100px;
    height: 50px;
    background: transparent;
    border: 2px solid #fff;
    outline: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1.1em;
    color: #fff;
    font-weight: 500;
    margin-left: 10px;
    transition: .5s;

}

.navigation .btnLogin-popup:hover {
    background: #fff;
    color: #162938;
}


@media  screen and (max-width: 600px){
    body h1 {
        font-size: 36px;
        line-height: 50px;
        margin-left: 40px;
    }
    .navigation {
        position: relative;
        font-size: 1.1em;
        color: #fff;
        text-decoration: none;
        font-weight: 81;
        margin-left: 10px;
        
    }
}