style.css

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

.html {
    scroll-behavior: smooth;
}

/* Header section */
#header {
    background: linear-gradient(rgba(0, 0, 0, 0.5), #009688), url(assets/banner.jpg);
    background-size: cover;
    background-position: center;
    height: 100vh;
    padding: 20px 6%;
}

.nav-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
}

.logo {
    width: 150px;
}

.menu {
    width: 35px;
    cursor: pointer;
    position: fixed;
    right: 10%;
    background: #009688;
    padding: 8px;
    border-radius: 2px;
}

.header-contents {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    padding-top: 120px;
}

.header-contents h1 {
    font-family: 'Kaushan Script', cursive;
    font-size: 130px;
}

.header-contents p {
    font-size: 25px;
}

.header-contents .header-btn {
    margin: 30px 0;
}

.header-contents .header-btn a {
    display: inline-block;
    width: 150px;
    margin: 0 10px;
    text-decoration: none;
    color: #fff;
    border: 0.5px solid #fff;
    padding: 8px 10px;
    text-align: center;
    position: relative;
    z-index: 1;
    transition: color 0.5s;
}

.header-contents .header-btn a span {
    position: absolute;
    width: 0;
    height: 100%;
    background: #fff;
    top: 0;
    left: 0;
    z-index: -1;
    transition: width 0.5s;
}

.header-contents .header-btn a:hover span {
    width: 100%;
}

.header-contents .header-btn a:hover {
    color: #000;
}

.nav-menu {
    position: fixed;
    top: 0;
    right: -400px;
    background: #009688;
    height: 100%;
    width: 220px;
    z-index: 2;
    padding-top: 130px;
    transition: right 0.5s;
}

.nav-menu li {
    list-style: none;
    padding: 20px 40px;
}

.nav-menu li a {
    text-decoration: none;
    color: #fff;
}

.close {
    position: absolute;
    top: 30px;
    right: 30px;
    width: 20px;
    cursor: pointer;
}

/* Features section */
#features {
    width: 100%;
    text-align: center;
    padding: 80px 10%;
    padding-bottom: 20px;
}

.title-text {
    text-align: center;
}

.title-text p {
    font-size: 20px;
    color: #009688;
    position: relative;
    display: inline-block;
    z-index: 1;
}

.title-text p::after {
    content: '';
    width: 50px;
    height: 35px;
    position: absolute;
    background: linear-gradient(#019587, #fff);
    top: -20px;
    left: 0;
    z-index: -1;
    transform: rotate(10deg);
    border-top-left-radius: 35px;
    border-bottom-right-radius: 35px;
}

.title-text h2 {
    font-size: 40px;
}

.feature-contents {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    text-align: start;
    padding: 40px 4%;
}

.feature-contents .feature-text {
    flex-basis: 60%;
}

.feature-contents .feature-img {
    flex-basis: 40%;
}

.feature-contents .feature-img img {
    width: 100%;
    border-radius: 4%;
}

.feature h3 {
    color: #009688;
    font-size: 20px;
}

.feature .row {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    padding-bottom: 30px;
}

.feature .row .feature-icon {
    width: 36px;
    color: #009688;
    border: 2px solid #009688;
    margin-right: 10px;
    padding: 5px;
    border-radius: 4px;
    text-align: center;
}

.feature .row .feature-details {
    padding-right: 50px;
}

/* Services section */
#services {
    padding: 70px 14% 20px;
    background: #efefef;
}

.services-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    padding: 60px 0;
}

.services-content .service {
    flex-basis: 48%;
    margin-bottom: 20px;
    border-radius: 7px;
    position: relative;
    background: #019587
}

.service img {
    width: 100%;
    border-radius: 7px;
}

.service .overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    background: linear-gradient(rgba(0, 0, 0, 0.5), #009688);
    border-radius: 7px;
    opacity: 0;
    cursor: pointer;
    color: #fff;
    transition: opacity 0.5s;
    text-align: center;
}

.service:hover .overlay {
    opacity: 1;
}

.overlay .overlay-content {
    width: 80%;
    position: absolute;
    top: 50%;
    left: 10%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: left 0.5s, opacity 0.5s;
}

.overlay-content hr {
    background: #fff;
    height: 2px;
    border: 0;
    margin: 15px auto;
    width: 60%;
}

.overlay-content h3 {
    font-size: 20px;
}

.service:hover .overlay-content {
    opacity: 1;
    left: 50%;
}

/* Testimonials section */
#testimonials {
    padding: 70px 10% 20px;
}

.testimonials-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    align-items: center;
    padding: 60px 0;
}

.testimonial {
    width: 100%;
    flex-basis: 32%;
    cursor: pointer;
    border-radius: 5px;
    box-shadow: 0 10px 20px 3px #00968814;
    padding: 20px 15px;
    transition: transform 0.5s;
}

.testimonial .header {
    display: flex;
    justify-content: start;
    align-items: center;
    font-size: 14px;
}

.testimonial .header img {
    width: 40px;
    margin: 5px;
    border-radius: 5px;
}

.testimonial .header .user h4 i {
    font-size: 16px;
    padding-left: 5px;
    color: #009688;
}

.testimonial .header .user p {
    font-size: 14px;
    color: #009688;
}

.testimonial .body p {
    font-size: 16px;
}

.testimonial:hover {
    transform: translateY(-10px);
}

/* Footer Section */
#footer {
    padding: 70px 6% 20px;
    background: #efefef;
    position: relative;
}

.footer-img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.1;
    width: 300px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    align-items: center;
}

.footer-content div {
    padding: 60px 20px 30px;
    font-size: 14px;
}

.footer-content div h4 {
    font-size: 20px;
    padding-bottom: 15px;
}

.footer-content .left {
    text-align: left;
}

.footer-content .left p i {
    padding-right: 10px;
    color: #009688;
}

.footer-content .right {
    text-align: right;
}

.footer-content .right p i {
    padding-left: 10px;
    color: #009688;
}

.footer-bottom {
    padding: 20px 0 10px;
    text-align: center;
}

.social-icon {
    padding: 80px 0 30px;
}

.social-icon a {
    text-decoration: none;
    width: 40px;
    height: 40px;
    padding: 5px 15px;
    border: 1px solid #019587;
    color: #009688;
    margin: 10px 5px;
    border-radius: 4px;
    transition: background 0.5s, color 0.5s;
}

.social-icon a:hover {
    background: #009688;
    color: #fff;
}

.copyright i {
    color: red;
}

.copyright a {
    text-decoration: none;
}


/* CSS for small screen */
@media only screen and (max-width: 750px) {

    .header-contents h1 {
        font-size: 80px;
    }

    .header-contents p {
        font-size: 13px;
    }

    .header-contents .header-btn a {
        margin: 5px 0;
    }

    #features {
        padding: 100px 4% 50px;
    }

    .title-text h2 {
        font-size: 35px;
    }

    .feature-contents {
        flex-direction: column;
    }

    .feature-contents .feature-text {
        padding: 0 20px 35px;
    }

    .feature-contents .feature-img img {
        width: 90%;
        display: block;
        margin: 0 auto;
    }

    .feature .row .feature-details {
        padding-right: 0;
    }

    #services {
        padding: 70px 8% 20px;
    }

    .services-content {
        flex-direction: column;
    }

    .overlay-content h3 {
        font-size: 18px;
    }

    .overlay-content p {
        font-size: 16px;
    }

    .testimonials-content {
        flex-direction: column;
    }
}