index.css

/* Common start */

body {
    margin: 0;
    background-color: #ffffff;
    font-family: 'Roboto', sans-serif;
}

.section-body {
    margin: 1.5rem;
    display: flex;
    justify-content: center;
}

/* Common end */


/* Loading screen start */

#loader_block {
    background-color: white;
    overflow: hidden;
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    display: flex;
    align-items: center;
    align-content: center;
    justify-content: center;
    z-index: 100000;
    transition: opacity 300ms ease-in-out;
}

#loader_block span {
    border-radius: 50%;
    border: 6px solid #318D44;
    margin: 10px;
    opacity: 0.4;
}

#loader_block span:nth-child(1) {
    animation: preloader 1s ease-in-out alternate infinite;
}

#loader_block span:nth-child(2) {
    animation: preloader 1s ease-in-out alternate .3s infinite;
}

#loader_block span:nth-child(3) {
    animation: preloader 1s ease-in-out alternate .6s infinite;
}

@keyframes preloader {
    100% {
        transform: scale(2);
        opacity: 1;
    }
}

/* Loading screen end */


/* Nav start */

#navbar-wrap {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 101;
    transition: top 500ms ease-in-out;
}

#navbar {
    display: grid;
    min-height: 90px;
    grid-auto-flow: column;
    background-color: #fcfcfc;
    grid-gap: 1.5em;
    padding: 0 40px;
    box-shadow: -1px 4px 15px 0px rgba(209, 205, 209, 0.5);
    transition: box-shadow 500ms ease-in-out;
}

#logo {
    display: grid;
    justify-content: start;
    align-content: center;
    font-size: 30px;
    font-weight: 700;
    color: #000;
    text-transform: uppercase;
}

.logo img {
    width: 12rem;
    transform: translateY(5%);
}

#links {
    display: flex;
    justify-content: right;
    gap: 1.5em;
    align-items: center;
}

#links a {
    text-decoration: none;
    color: #333;
    font-weight: 400;
    font-size: 1.15rem;
    transition: 0.3s;
}

#links a:hover {
    color: #318D44;
}

#links a:last-of-type {
    background: #318D44;
    border-radius: 2rem;
    color: white;
    padding: 0.9rem 1.8rem;
    transition: background 300ms ease-in-out;
}

#links a:last-of-type:hover {
    background: black;
}

.sidenav {
    height: 100%;
    width: 0;
    position: fixed;
    z-index: 100;
    top: 0;
    left: 0;
    background-color: #111;
    overflow-x: hidden;
    transition: 0.5s;
    padding-top: 60px;
}

.sidenav a {
    padding: 8px 8px 20px 32px;
    text-decoration: none;
    font-size: 20px;
    font-weight: 400;
    color: #818181;
    display: block;
    overflow: hidden;
    white-space: nowrap;
    transition: 0.3s;
}

.sidenav a:hover {
    color: #fff;
}

.sidenav a:last-of-type {
    background: #318D44;
    color: white;
    padding-top: 1.2rem;
    transition: background 0.3s;
}

.sidenav a:last-of-type:hover {
    background: #3da451;
}

.sidenav .closebtn {
    position: absolute;
    top: 0;
    right: 25px;
    font-size: 36px;
    margin-left: 50px;
}

@media (min-width:100px) and (max-width: 1050px) {

    #links,
    .mobile-menu {
        display: none;
    }

    #logo {
        display: flex;
        align-items: center;
    }

    .logo {
        transform: translateY(3%);
        display: flex;
        width: 100%;
        padding-right: 15px;
        justify-content: center;
    }

    .logo img {
        transform: translateY(-0.17rem);
    }
}

@media screen and (min-width: 1050px) {
    .mobile-btn {
        display: none;
    }
}

/* Nav end */


/* Header start */

#header-wrap {
    display: flex;
    flex-direction: row-reverse;
    align-items: flex-end;
    justify-content: center;
    width: 90rem;
    gap: 2vw;
}

#header-text {
    margin-top: 1.5rem;
}

#bonjour {
    color: #318D44;
    font-weight: 500;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

#welcome {
    font-size: 3rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

#geeksforgeeks {
    color: #318D44;
    font-weight: 900;
}

#description {
    line-height: 1.5rem;
    text-align: justify;
}

#header-img img {
    width: 50vw;
    max-width: 900px;
}

@media screen and (max-width:980px) {
    #header-wrap {
        display: flex;
        flex-direction: column-reverse;
        align-items: flex-start;
        gap: 1.5rem;
        width: auto;
    }

    #header-img img {
        margin-top: 2rem;
        width: 100%;
        max-width: none;
    }

    #welcome {
        font-size: 2.4rem;
        font-weight: 500;
        margin-bottom: 1rem;
    }

    #header-text {
        margin-top: 0;
    }
}

/* Header end */



/* Events start  */

.swiper-body {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    flex-direction: column;
    background-image: url(https://cdn.jsdelivr.net/gh/GfG-IIIT-Bh/GfG-IIIT-Bh.github.io/assets/section-bg.webp);
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    height: 56rem;
}

.events-head {
    color: white;
    font-weight: 900;
    font-size: 3rem;
    text-align: center;
    margin: 0;
    transform: translateY(-40px);
}

#events-head-img {
    width: 40rem;
    transform: rotate(-2deg) translateY(-2.7rem);
}

.swiper {
    height: 30rem;
    width: 90rem;
}

.swiper-slide {
    text-align: center;
    font-size: 18px;
    background: #fff;
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
}

.swiper-slide img {
    display: block;
    width: 100%;
    height: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}

.swiper-pagination {
    transform: translate(-4.4rem, -5.5rem) !important;
}

.swiper-pagination-bullet {
    height: 20px !important;
    width: 20px !important;
    background: white !important;
    opacity: 0.3 !important;
}

.swiper-pagination-bullet-active {
    opacity: 1 !important;
}

@media screen and (max-width:1500px) {
    .swiper {
        height: calc(70vw / 2);
        width: 70vw;
    }

    .swiper-body {
        height: calc(70vw / 2 + 23rem);
    }

    #events-head-img {
        width: 35rem;
        transform: rotate(-2deg) translateY(-2.5rem);
    }

    .swiper-pagination {
        transform: translate(-4.4rem, -4.3rem) !important;
    }
}

@media screen and (max-width:900px) {
    .swiper {
        height: calc(100vw - 3rem);
        width: calc(100vw - 3rem);
    }

    .swiper-body {
        height: calc(100vw - 3rem + 23rem);
    }

    #events-head-img {
        width: 95vw;
        max-width: 35rem;
        transform: rotate(-2deg) translateY(-3rem);
    }

    .swiper-pagination {
        transform: translate(-4.4rem, -5rem) !important;
    }
}

/* Events end */


/* Team start  */

.our-team-head {
    color: black;
    font-weight: 900;
    font-size: 3rem;
    text-align: center;
    margin: 3rem 0;
}

.our-team-head>span {
    color: #318D44;
}

.team-members {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
}

.our-team {
    width: 23rem;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    overflow: hidden;
    position: relative;
    border-radius: 10px;
}

.our-team .picture {
    display: inline-block;
    height: 130px;
    width: 130px;
    z-index: 1;
    position: relative;
    margin-top: 40px;
}

.our-team .picture::before {
    content: "";
    width: 100%;
    height: 0;
    border-radius: 50%;
    background-color: #318D44;
    position: absolute;
    bottom: 135%;
    right: 0;
    left: 0;
    opacity: 0.9;
    transform: scale(3);
    transition: all 0.3s linear 0s;
}

.our-team:hover .picture::before {
    height: 100%;
}

.our-team .picture::after {
    content: "";
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #318D44;
    position: absolute;
    top: 0;
    left: 0;
    z-index: -1;
}

.our-team .picture img {
    width: 100%;
    height: auto;
    border-radius: 50%;
    transform: scale(1);
    transition: all 0.9s ease 0s;
}

.our-team:hover .picture img {
    box-shadow: 0 0 0 14px #f7f5ec;
    transform: scale(0.7);
}

.our-team .name {
    margin: 20px 0 3px 0;
    font-size: 1.5rem;
}

.our-team .title {
    display: block;
    font-size: 15px;
    font-weight: 400;
    color: #4e5052;
    text-transform: capitalize;
    margin: 0;
    margin-bottom: 40px;
}

.our-team .social {
    width: 100%;
    padding: 0;
    margin: 0;
    background-color: #318D44;
    position: absolute;
    bottom: -100px;
    left: 0;
    transition: all 0.5s ease 0s;
}

.our-team:hover .social {
    bottom: 0;
}

.our-team .social li {
    display: inline-block;
}

.our-team .social li a {
    display: block;
    padding: 10px;
    font-size: 17px;
    color: white;
    transition: all 0.3s ease 0s;
    text-decoration: none;
}

.our-team .social li a:hover {
    color: #318D44;
    background-color: #f7f5ec;
}

@media screen and (max-width:550px) {
    .our-team {
        width: calc(100vw - 4rem);
    }

    #team-members {
        gap: 30px;
    }

    #our-team {
        font-size: 10vw;
    }
}

/* Team end */


/* Socials start */

.social-item-wrap a {
    color: inherit;
    text-decoration: none;
}

.socials-body {
    background-image: url(https://cdn.jsdelivr.net/gh/GfG-IIIT-Bh/GfG-IIIT-Bh.github.io/assets/section-bg.webp);
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    height: 40rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

#socials-wrap {
    display: flex;
}

.social-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: #318D44;
    font-weight: 500;
    font-size: 1.8rem;
    margin-bottom: 2rem;
    cursor: pointer;
    background: white;
    padding: 1rem 2rem;
    border-radius: 1rem;
    box-shadow: 10px 10px 0 #1c622a;
    transition: 0.3s ease-in-out;
}

.social-item:hover {
    box-shadow: 0px 0px 0 #1c622a;
    transform: translate(10px, 10px);
}

.social-item-wrap {
    display: flex;
    gap: 2rem;
}

#socials-img {
    margin-right: 5vw;
    display: flex;
    align-items: center;
}

#socials-img img {
    width: 27rem;
    margin: auto 0;
}

@media screen and (max-width: 1110px) {
    .socials-body {
        height: 50rem;
    }

    #socials-wrap {
        flex-direction: column;
        align-items: center;
        gap: 2rem;
    }
}

@media screen and (max-width: 630px) {
    .social-item {
        gap: 0.3rem;
        font-size: 2.3vmax;
        margin-bottom: 1.5rem;
        padding: 1rem 1.3rem;
    }

    .social-item-wrap {
        gap: 1.5rem;
    }

    #socials-img img {
        width: 75vw;
        max-width: 25rem;
    }

    .socials-body {
        height: 42rem;
    }
}

/* Socials end */


/* Contact start  */

#contact-form {
    width: 650px;
    height: 677px;
}

#contact-form::-webkit-scrollbar {
    width: 0px;
    height: 0px;
}

.contact-body {
    display: flex;
    justify-content: center;
}

/* Contact end */


/* Footer start  */

.footer-body {
    background-image: url(https://cdn.jsdelivr.net/gh/GfG-IIIT-Bh/GfG-IIIT-Bh.github.io/assets/section-bg-flat.webp);
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    height: 13.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    gap: 0.4rem;
    font-size: 1.5rem;
    font-weight: 500;
}

.footer-body div:first-of-type {
    opacity: 0.5;
    font-weight: 400;
    margin-top: 2.5rem;
    font-size: 1.2rem;
}

@media screen and (max-width:600px) {
    .footer-body {
        font-size: 1.1rem;
    }

    .footer-body div:first-of-type {
        margin-top: 2.3rem;
        font-size: 1rem;
    }
}

/* Footer end */