*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: sans-serif;
    text-decoration: none;
}
.my-btn{
    padding: 15px 25px;
    white-space: nowrap;
    color: white;
    background-color: rgb(9, 174, 184);
    text-align: center;
    text-transform: uppercase;
    gap: 10px;
    cursor: pointer;
}
.my-btn:hover{
    background-color: rgb(255, 215, 99);
}
.my-font{
    font-family: "Josefin Sans", sans-serif;
}
.dim{
    color: rgba(0, 0, 0, 0.575);
}
.menu-btn{
    display: none;
    justify-content: flex-end;
    align-items: center;
}
.menu-btn>button{
    background-color: transparent;
    border: none;
    font-size: 1.5rem;
    color: rgb(9, 174, 184);
    cursor: pointer;
}
.header_div {
    background-image:linear-gradient(to top,rgba(241, 241, 245, 0.502),rgba(255, 255, 255, 0.505));
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}
.header_div>header{
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    align-items: center;
    padding: 20px;
}
.header_div>header>.logo{
    display: flex;
    justify-content: flex-start;
    align-items: center;
    width: 100%;
}
.header_div>header>.logo>img{
    width: 130px;
}
.header_div>header>nav{
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}
.header_div>header>nav>a{
    color: black;
    font-size: 15px;
    font-weight: 700;
    text-transform: uppercase;
}
.header_div>header>nav>a.active{
    color: rgb(9, 174, 184);
}
.header_div>header>nav>a:hover{
    color: rgb(9, 174, 184);
}
.header_div>header>.btn{
    display: flex;
    width: 100%;
    justify-content: flex-end;
}


.article-1{
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 50px;
    padding: 100px 30px;
}
.article-1>h2{
    text-align: center;
    font-size: 4rem;
}
.article-1>.vertical-line{
    width: 2px;
    height: 50px;
    background-color: rgb(9, 174, 184);   
}
.article-1>.container{
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-rows: 1fr;
    gap: 20px;
}
.article-1>.container>.card{
    display: flex;
    flex-direction: column;
    align-items: start;
    justify-content: start;
    height: 100%;
}
.article-1>.container>.card>img{
    width: 100%;    
}
.article-1>.container>.card>h2{
    font-size: 3rem;
    color: rgba(0, 0, 0, 0.783);
    padding: 30px 0px;
}
.article-1>.container>.card>.dim{
    display: flex;
    flex-direction: column;
    height: 100%;
    justify-content: space-evenly;
}

.article-2{
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    flex-direction: column;
    height: 100vh;
    background-image: linear-gradient(to top,rgb(58, 58, 58,0.3),rgb(58, 58, 58,0.3)), url(https://websitedemos.net/heating-and-ac-technician-02/wp-content/uploads/sites/912/2021/07/how-we-work.jpg);
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-position: center;
    background-size: cover;
}
.article-2>h2{
    font-size: 4rem;
    color: white;
    text-align: center;
}
.article-2>.icon{
    background-color: rgb(255, 215, 99);
    padding: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: white;
    border-radius: 50%;
}

.article-3{
    display: flex;
    justify-content: space-between;
    align-items: start;
    padding: 100px 50px;
}
.article-3>.image{
    display: flex;
    justify-content: space-between;
    align-items: end;
    flex-direction: column;
    width: 50%;
}
.article-3>.image>img{
    width: 100%;
}
.article-3>.image>.box{
    background-color: rgb(255, 215, 99);
    position: relative;
    width: 300px;
    height: 200px;
    display: flex;
    padding: 50px 0;
    flex-direction: column;
    align-items: center;
    justify-content: space-evenly;
    top: -50px;
}
.article-3>.image>.box>h2{
    font-size: 3rem;
}
.article-3>.content{
    width: 50%;
    display: flex;
    flex-direction: column;
    padding: 30px 0px 0px 80px;
    gap: 30px;
}
.article-3>.content>h3{
    font-size: 1.3rem;
    color: rgba(0, 0, 0, 0.715);
}
.article-3>.content>h2{
    font-size: 2.7rem;
    color: rgba(0, 0, 0, 0.715);
}
.article-3>.content>ul>li{
    list-style: none;
    margin: 20px 0px;
}
.article-3>.content>ul>li>i{
    color: rgb(9, 174, 184);
}



























.article-4{
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 80px 0;
    background-color: rgb(255, 215, 99);
}
.article-4>.box{
    display: flex;
    justify-content: center;
    gap: 20px;
    align-items: strat;
}
.article-4>.box>.icon{
    font-size: 2rem;
    color: rgba(0, 0, 0, 0.8);
}
.article-4>.box>.content>h2{
    color: rgba(0, 0, 0, 0.8);
    margin-bottom: 10px;
}




.footer{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: start;
    gap: 100px;
    padding: 100px 30px 50px;
    background-color: #f1f1f1;
}
.footer>footer{
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    grid-template-rows: 1fr;
    gap: 15px;
}
.footer>footer>div{
    display: flex;
    flex-direction: column;
    justify-content: start;
    align-items: start;
    gap: 25px;
}
.footer>footer>div>h2{
    color: rgba(0, 0, 0, 0.8);
    font-weight: 500;
}
.footer>footer>div>.content{
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 10px;
    align-items: start;
}
.footer>footer>div>.content>a:hover{
    color: rgb(255, 215, 99);
}
.footer>footer>div>.icons{
    display: flex;
    gap: 5px;
    flex-wrap: nowrap;
}
.footer>footer>div>.icons>i{
    color: rgba(0, 0, 0, 0.8);
    font-size: 20px;
}
.footer>footer>div>.icons>i:hover{
    color: rgb(9, 174, 184);
    cursor: pointer;
}
.footer>.copy-right{
    text-align: center;
    width: 100%;
}