style.css

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

html {
  scroll-behavior: smooth;
}

.header{
    min-height: 100vh;
    width: 100%;
    background-image: linear-gradient(rgba(4,9,30,0.7), rgba(4,9,30,0.7)), url(Source/space.png);
    background-position: center;
    background-size: cover;
    position: relative;
    background-repeat: no-repeat;
}  


nav{
    display: flex;
    padding: 2% 6%;
    justify-content: space-between;
    align-items: center;
}
nav img{
    width: 120px;
}
.nav-links{
    flex: 1;
    text-align: right;
    
}
.nav-links ul li{
    list-style: none;
    display: inline-block;
    padding: 6px 12px;
    position: relative;
}
.nav-links ul li a{
    color: #fff;
    text-decoration: none;
    font-size: 14px;
}
.nav-links ul li::after{
    content: '';
    width: 0%;
    height: 2px;
    background: #DDA0DD;
    display: block;
    margin: auto;
    transition: 0.5s;
}
.nav-links ul li:hover::after{
    width: 100%;
}



/*-----Astronaut----*/
.astronaut{
    top: 40px;
    right: 200px;
    width: 500px;
    animation: astronaut-move 10s forwards;
}
@keyframes astronaut-move {
    to{
        transform:
        translate(-225px, 400px)
        rotate(80deg);  
    }
}
 


/*------Text box alignment-------*/
.text-box{ 
    width: 80%;
    color: #fff;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    text-align: center;
}
.text-box h1{
    font-size: 60px;   
}
.text-box p{
    margin: 10px 0 40px;
    font-size: 13px;
    color: #FFF;
}
.hero-btn{
    display: inline-block;
    text-decoration: none;
    color: #fff;
    border: 1px solid #fff;
    padding: 12px 34px;
    font-size: 13px;
    background: transparent;
    position: relative;
    cursor: pointer;
}
.hero-btn:hover{
    border: 1px solid #DDA0DD;
    background: #DDA0DD;
    transition: 1s;
}
nav .fa{
    display: none;
}



/*-----Media 700px-----*/
@media(max-width: 700px){
    .text-box h1{
        padding-top: 5px;
        font-size: 20px;
    }
    .nav-links ul li{
        display: block;
    }
    .nav-links{
        position: absolute;
        background: #555;
        height: 100vh;
        width: 200px;
        top: 0px;
        right: -250px;
        text-align: left;
        z-index: 2;
        transition: 1s;
    } 
    nav .fa{
        display: block;
        color: #FFFFFF;
        margin: 10px;
        font-size: 22px;
        cursor: pointer;   
    }
    .nav-links ul{
        padding: 30px; 
    }
    .astronaut{
    top: 100px;
    right: 400px;
    width: 100px;
    animation: astronaut-move 25s forwards;
    }
    .row{
        flex-direction: column;
    }
    .carousel-button.prev{
        left: 40%;
    }
    .carousel-button.next {
        right: 40%;
    }
} 




/*-----Astronomers------*/
.astronomers{
    width: 80%;
    margin: auto;
    text-align: center;
    padding-top: 100px;
}
h1{
    font-size: 36px;
    font-weight: 600;
}
p{
    color: #777;
    font-size: 14px;
    font-weight: 300;
    line-height: 22px;
    padding: 10px; 
}   

.row{
    margin-top: 5%;
    display: flex;
    justify-content: space-between;
}
.astronomers-col{
    flex-basis: 31%;
    background: #fff3f3;
    border-radius: 10px;
    margin-bottom: 5px;
    padding: 20px 12px;
    box-sizing: border-box;
    transition: 0.5s;
}
h3{
    text-align: center;
    font-weight: 800;
    margin: 10px 0; 
}
.astronomers-col:hover{
    box-shadow: 0 0 20px 2px rgba(0,0,0,0.2);
}  
 



/*------Solar System------*/

.Solarsystem{
    width: 100%;
    margin: auto;
    text-align: center;
    padding-top: 100px;
}

.carousel {
  width: 100%;
  height: 100vh;
  position: relative;
  justify-content: center;
  display:flex;
  align-items: center;
}

.carousel > ul {
  margin: 10px;
  padding: 100px;
  list-style: none;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: 200ms opacity ease-in-out;
  transition-delay: 200ms;
  border-radius: 10px;
  margin-bottom: 30px;
}

.slide > img {
  overflow: hidden;
  width: 80%;
  height: 90vh;
  display: flex;
  top: 50%;
  left: 50%;
  width: 80%;
  border-radius: 13px;
  position: absolute;
  transform: translate(-50%, -50%);
  align-items: center;
  flex-basis: 32%
}

.slide > img:hover{
    box-shadow: 0 0 20px 10px rgba(0,0,0,0.2);
}  


.slide[data-active] {
  opacity: 1;
  z-index: 1;
  transition-delay: 0ms;
}

.carousel-button {
  position: absolute;
  z-index: 2;
  background: none;
  border: none;
  font-size: 60px;
  top: 47%;
  transform: translateY(-50%);
  color: rgba(255, 255, 255, .5);
  cursor: pointer;
  border-radius: 4px;
  padding: 0 8px;
  background-color: rgba(0, 0, 0, .1);
}

.carousel-button:hover,
.carousel-button:focus {
  color: white;
  background-color: rgba(0, 0, 0, .2);
}

.carousel-button:focus {
  outline: 1px solid grey;
}

.carousel-button.prev {
  left: 10%;
}

.carousel-button.next {
  right: 10%;
}





/*-----About us-----*/

.about-us{
    width: 100%;
    margin: auto;
    text-align: center;
    padding-top: 100px;
}
.about-us{
    width: 80%;
    margin: auto;
    padding-top: 80px;
    padding-bottom: 50px;
}
.about-col{
    flex-basis: 48%;
    padding: 30px 2px;  
}
.about-col img{
    width: 100%;
    border-radius: 10px;
}
.about-col h1{
    padding-top: 0px;
    font-size: 30px; 
}
.about-col p{
    padding: 15px 0 25px;
}



/*----Footer----*/
.foot{
    margin: 0;
    padding: 0;
    min-height: 50vh;
    background-color: #eeeeee;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-direction: column;
}

footer{
    position: relative;
    width: 100%;
    height: auto;
    padding-top: 80px;
    background-color: white;
  /*  flex-basis: 31%;
    margin-bottom: 5px;*/
    /*padding: 20px 12px;
    box-sizing: border-box;*/
  /*  transition: 0.5s;*/
}

footer:hover{
    box-shadow: 0 0 20px 0px rgba(0,0,0,0.2);
}  

.cont{
    width: 100%;
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 12px;
}

.wrapper{
    display: flex;
    justify-content: space-between;
    flex-direction: row;
    flex-wrap: wrap; 
}
.wrapper .footer-widget{
    width: calc(20% - 30px);
    margin: 0 15px 20px;
    padding: 0 12p
}
.wrapper .footer-widget:nth-child(1){
    width: calc(40% - 50px);
    margin-right: 15px;
}

.wrapper .footer-widget .logo{
    margin-bottom: 25px;
    vertical-align: middle;
    width: 150px;
}

.wrapper .footer-widget p{
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 24px;
}
.wrapper .footer-widget .socials{
    display: flex;
    align-items: center;
    justify-content: flex-start; 
}
.wrapper .footer-widget .socials li{
    list-style: none;  
}
.wrapper .footer-widget .socials li a{
    width: 44px;
    height: 44px;
    margin-right: 10px;
    color: #ffffff;
    background-color: rgba(128,128,128,1);
    border-radius: 50%;
    font-size: 20px;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease-out;
}
.wrapper .footer-widget .socials li a:hover{
    
    background-color: rgba(0,0,0,1);
}

.wrapper .footer-widget h6{
    color: #585978;
    margin: 10px 0 35px;
    font-size: 16px;
    font-weight: 600;
}

.wrapper .footer-widget .links li{
    list-style: none;
}

.wrapper .footer-widget .links li a{
    color: grey;
    font-size: 16px;
    text-decoration: none;
    text-transform: capitalize;
    line-height: 32px;
    transition: all 0.3s ease-out;
}

.wrapper .footer-widget .links li a:hover{
    color: black;
}

.copyright-wrapper{
    padding: 20px 0;
    border-top: 2px solid rgba(88, 89, 120, 0.4); 
}
.copyright-wrapper p{
    color: rgba(88, 89, 120, 0.6);
    font-size: 15px;
    font-weight: 500;
    text-align: center;
}

.copyright-wrapper p a{
    color: inherit;
    font-weight: 500;
    font-size: 19px;
    padding: 3px;
    text-decoration: none;
    transition: all 0.3s ease-out;
}
.copyright-wrapper p a:hover {
  color: black;
}

.wrapper .footer-widget .socials li a{
    width: 44px;
    height: 44px;
    margin-right: 10px;
    color: #ffffff;
    background-color: rgba(128,128,128,1);
    border-radius: 50%;
    font-size: 20px;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease-out;
}
.wrapper .footer-widget .socials li a:hover{
    
    background-color: rgba(0,0,0,1);
}










/*-----Meida 992, 768-----*/
@media (max-width: 992px) {
    .cont {
        max-width: 960px;
        }
    
    .wrapper .footer-widget,
    .wrapper .footer-widget:nth-child(1) {
        width: calc(50% - 30px);
    }
}




@media (max-width: 768px) {
    .cont {
        max-width: 720px;
        }
    
    .wrapper .footer-widget,
    .wrapper .footer-widget:nth-child(1) {
        width: 100%;
        margin: 0 10px 50px;
    }
}