@import url('https://fonts.googleapis.com/css2?family=Secular+One&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Koulen&family=Potta+One&display=swap');

* {
    margin: 0;
    padding: 0;
    font-family: 'Secular One', sans-serif;
}

/* SCROLLBAR */
html {
    scroll-behavior: smooth;
    scrollbar-color: gold black;
    scrollbar-width: normal;
    background-color: white;
}

html::-webkit-scrollbar {
    width: 0.5vw;
}

html::-webkit-scrollbar-thumb {
    background-color: rgb(36, 35, 35);
    border-radius: 0px;
}

html::-webkit-scrollbar-track {
    background-color: black;
}

body {
    overflow-x: hidden;
}

/* CSS CODE FOR NAVBAR SECTION */
nav {
    position: fixed;
    height: 80px;
    width: 100%;
    background-color: black;
    color: white;
    z-index: 1000;
    overflow-y: hidden;

}

.navbar ul {
    list-style: none;
    display: flex;
    justify-content: center;
}

#click {
    display: none;
}

.navbar ul li {
    font-size: 30px;
    margin: 20px;
    transition: 0.5s;
}

.navbar ul li:hover {
    font-size: 40px;
    transition: 0.5s;
}

.navbar ul li a {
    text-decoration: none;
    color: white;
}

.navbar ul li a:active {
    color: gold;
}

.navbar .menu-btn i {
    color: white;
    font-size: 30px;
    cursor: pointer;
    display: none;
}

#click:checked~.menu-btn i:before {
    content: "\f00d";
}

/* RESPONSIVE CODE FOR NAVBAR SECTION */
@media (max-width: 1200px) {
    nav {
        justify-content: center;
    }

    .navbar ul {
        position: fixed;
        top: 80px;
        left: -100%;
        background-color: black;
        height: 100vh;
        width: 100%;
        display: block;
        transition: 0.5s ease;
    }

    #click:checked~ul {
        left: 0%;
        text-align: center;
    }

    .navbar ul li {
        margin: 40px 0;
        color: white;
    }

    .navbar ul li:hover {
        font-size: 40px;
        transition: 0.5s;
        color: black;
    }

    .navbar .menu-btn i {
        display: block;
        position: fixed;
        top: 30px;
        right: 70px;
    }
}


/* CSS CODE FOR LOGO */
.logo {
    height: 80px;
    width: 150px;
    position: fixed;
    top: 0px;
    left: 0px;
    color: white;
    z-index: 1000;
    text-align: center;

}

.logo i {
    font-size: 30px;
    transition: 0.5s;
    margin-top: 15px;
}

.logo i:hover {
    font-size: 40px;
    transition: 0.5s;
}

.logo .fa-gear {
    color: gold;
    font-size: 40px;
    animation-name: spin;
    animation-duration: 1s;
    animation-iteration-count: infinite;
    animation-timing-function: linear;
    width: 50px;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}


section {
    height: 300vh;
    width: 100%;
    background-color: black;
}

.container {
    height: 250vh;
    width: 90%;
    position: relative;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.content {
    height: 60vh;
    width: 100%;
    display: flex;
    flex-direction: row;
}

.info {
    height: 60vh;
    width: 70%;
}

.info h1 {
    color: white;
    font-weight: 10;
}

.info p {
    color: white;
    font-size: 20px;
    font-weight: 10;
}

.image {
    height: 60vh;
    width: 30%;
    transition: 0.5s;
}

.image:hover {
    border-radius: 50px;
    transition: 0.5s;
}

#image-1 {
    background-image: url('../images/astrophysicist.webp');
    background-repeat: no-repeat;
    background-size: cover;
    background-position-x: center;
    background-position-y: center;
    height: 200px;
    width: 300px;
    margin: auto;
}

#image-2 {
    background-image: url('../images/astro.webp');
    background-repeat: no-repeat;
    background-size: cover;
    background-position-x: left;
    background-position-y: top;
    height: 400px;
    width: 300px;
    margin: auto;
}

#image-3 {
    background-image: url('../images/blackhole-3.jpg');
    background-repeat: no-repeat;
    background-size: cover;
    background-position-x: center;
    background-position-y: center;
    height: 200px;
    width: 300px;
    margin: auto;
}

#image-4 {
    background-image: url('../images/space-work-page.png');
    background-repeat: no-repeat;
    background-size: cover;
    background-position-x: center;
    background-position-y: center;
    height: 200px;
    width: 300px;
    margin: auto;
}


#content-1 {
    height: 120vh;
}

#info-1 {
    height: 100%;
}

#content-2 {
    height: 60vh;
}

#info-2 {
    height: 100%;
}

#content-3 {
    height: 70vh;
}

#info-3 {
    height: 100%;
}


@media (max-width:1300px) {
    section{
        height: 650vh;
    }

    .container {
        height: 600vh;
        width: 80%;
        position: relative;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
    }
    
    .content {
        width: 100%;
        display: flex;
        flex-direction: column;
    }
    
    .info {
        width: 100%;
    }
    
    .image {
        display: none;
    }

    #content-1 {
        height: 270vh;
    }

    #content-2 {
        height: 150vh;
    }
    
    #content-3 {
        height: 180vh;
    }
    
    #content-4 {
        height: 150vh;
    }
    
}