:root{
    --blue:#2273F8;
}

*{
    font-family: 'Open Sans', sans-serif;
    margin:0; padding:0;
    box-sizing: border-box;
    outline: none;
    text-decoration: none;
    transition: all .2s linear;
    text-transform: capitalize;
}

*::selection{
    background:var(--blue);
    color:#fff;
}

html{
    font-size: 62.5%;
    overflow-x: hidden;
}

body{
    overflow-x: hidden;
}

.btn{
    font-size: 2rem;
    padding:.7rem 3.5rem;
    border-radius: 5rem;
    color:#fff;
    background:var(--blue);
    margin-top: 1rem;
    box-shadow: 0 .3rem .5rem rgba(0,0,0,.3);
    cursor: pointer;
    border:none;
    overflow: hidden;
    position: relative;
    z-index: 0;
}

.btn::before{
    content: '';
    position: absolute;
    top:0; right: 0;
    height:100%;
    width:0%;
    background:#333;
    z-index: -1;
    transition: .2s linear;
}

.btn:hover::before{
    left: 0;
    width:100%;
}

.heading{
    padding:.5rem 2rem;
    font-size: 2rem;
    background:rgba(0,0,0,.1);
    color:var(--blue);
    display: inline-block;
    margin:1rem 0;
}

.title{
    font-size: 4rem;
    color:#333;
    padding:0 1rem;
    text-align: center;
}

header{
    width:100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    top:0; left: 0;
    z-index: 1000;
    padding:2rem 7%;
    background:var(--blue);
}

header .logo{
    font-size: 2.5rem;
    color:#fff;
}

header .logo i{
    padding:0 .5rem;
}

header .navbar ul{
    display: flex;
    align-items: center;
    justify-content: space-between;
    list-style: none;
}

header .navbar ul li a{
    font-size: 2rem;
    margin-left: 2rem;
    color:#fff;
    position: relative;
}

header .navbar ul li a::before{
    content: '';
    position: absolute;
    bottom:-.5rem; right:0;
    width:0%;
    height:.2rem;
    background:#fff;
    transition: .2s linear;
}

header .navbar ul li a.active::before,
header .navbar ul li a:hover::before{
    left:0;
    width:100%;
}

header #menu{
    font-size: 3rem;
    color:#fff;
    cursor: pointer;
    display: none;
}

.home{
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    background:url(./img/homg-img.png) no-repeat;
    background-size: 140% 85%;
    background-position: top;
    padding:1.5rem 7%;
    padding-top: 4rem;;
}

.home .image{
    flex:1 1 40rem;
    padding-top: 6rem;
}

.home .image img{
    width:100%;
}

.home .content{
    flex:1 1 40rem;
    padding-top: 5rem;
}

.home .content h1{
    font-size: 4rem;
    color:#fff;
}

.home .content p{
    font-size: 1.8rem;
    color:#eee;
    padding:.5rem 0;
}

.home .content .btn{
    background:#fff;
    color:#333;
}

.home .content .btn:hover{
    color:#fff;
}

.about{
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    background:#333;
    padding:2rem;
    padding-top: 6rem;
}

.about .image{
    flex:1 1 40rem;
    text-align: center;
    padding:4rem 0;
}

.about .image img{
    height:70vh;
}

.about .content{
    flex:1 1 40rem;
}

.about .content h3{
    font-size: 4rem;
    color:#fff;
}

.about .content .heading{
    background:rgba(0,0,0,.3);
}

.about .content p{
    font-size: 1.5rem;
    color:#eee;
    padding:1rem 0;
}

.about .content ul li{
    list-style: none;
    font-size: 2rem;
    color:#fff;
    padding:.5rem 0;
}

.about .content ul li i{
    color:var(--blue);
}

.features{
    min-height: 100vh;
    text-align: center;
    padding-top: 7rem;
}

.features .description{
    padding:1rem 0;
    margin:0 auto;
    width:70rem;
    color:#666;
    font-size: 1.5rem;
}

.features .box-container{
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

.features .box-container .box{
    margin:2rem;
    width:28rem;
    z-index: 0;
    position: relative;
}

.features .box-container .box::before{
    content: '';
    position: absolute;
    top:32.5%; left:50%;
    transform: translate(-50%, -50%) rotate(45deg);
    background:var(--blue);
    height: 10rem;
    width: 10rem;
    z-index: -1;
    box-shadow: 0 0 0 1rem rgba(0, 0, 255, .1);
}

.features .box-container .box i{
    color:#fff;
    font-size: 4.5rem;
    margin:8rem 0;
}

.features .box-container .box h3{
    color:#333;
    font-size: 2rem;
}

.features .box-container .box p{
    color:#666;
    font-size: 1.2rem;
    padding:1rem 0;
}

.product{
    min-height: 100vh;
    text-align: center;
    background:#eee;
    padding:1rem;
    padding-top: 8rem;
}

.product .box-container{
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    padding:1rem 0;
}

.product .box-container .box{
    margin:1rem;
    background:#fff;
    box-shadow: 0 .3rem .5rem rgba(0,0,0,.3);
    padding:2rem 4rem;
}

.product .box-container .box h3{
    padding:1rem 0;
    font-size: 2rem;
    color:#444;
}

.product .box-container .box .price{
    padding:1rem 0;
    font-size: 3rem;
    color:#333;
    display: block;
}

.product .box-container .box img{
    height:20rem;
    width:20rem;
    margin:1rem 0;
}

.contact{
    min-height: 100vh;
    text-align: center;
    background:linear-gradient(rgba(0,0,0,.7),rgba(0,0,0,.7)), url("https://www.digitaltrends.com/wp-content/uploads/2022/10/iphone-14-pro-max-hero-photo.jpg?fit=2000%2C1333&p=1") no-repeat;
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
    padding:1rem;
    padding-top: 8rem;
}

.contact .heading{
    background:rgba(0,0,0,.5);
    color:#fff;
}

.contact .title{
    color:#fff;
}

.contact form{
    width:85%;
    margin:1rem auto;
}

.contact form .inputBox{
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.contact form .inputBox input, .contact form textarea{
    height:4rem;
    width:49%;
    padding:0 1rem;
    margin:1rem 0;
    font-size: 2rem;
    border:.2rem solid #eee;
    background:none;
    text-transform: none;
    color:#fff;
}

.contact form .inputBox input::placeholder, .contact form textarea::placeholder{
    color:#ccc;
}

.contact form .inputBox input:focus, .contact form textarea:focus{
    border-color:var(--blue);
}

.contact form textarea{
    height:20rem;
    width:100%;
    padding:1rem;
    resize: none;
}

.contact form .btn:hover{
    background:#fff;
    color:#333;
}

.faq{
    text-align: center;
    padding:.5rem;
    padding-top: 8rem;
    min-height: 100vh;
}

.faq .row{
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

.faq .row .image{
    flex:1 1 40rem;
    padding:.5rem;
}

.faq .row .image img{
    height:65vh;
    width:100%;
}

.faq .row .accordion-container{
    flex:1 1 40rem;
    padding:1rem;
}

.faq .row .accordion-container .accordion{
    text-align: left;
    padding:.5rem 0;
}

.faq .row .accordion-container .accordion .accordion-heading{
    color:#fff;
    background:var(--blue);
    padding:1rem;
    font-size: 1.8rem;
    cursor: pointer;
}

.faq .row .accordion-container .accordion .accordion-content{
    color:#333;
    padding:1rem;
    font-size: 1.3rem;
    border:.2rem solid var(--blue);
    display: none;
}

.faq .row .accordion-container .accordion:nth-child(1) .accordion-content{
    display: block;
}

.footer{
    background:#eee;
}

.footer .box-container{
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

.footer .box-container .box{
    flex:1 1 30rem;
    margin:2rem;
}

.footer .box-container .box h3{
    font-size: 2.5rem;
    color:var(--blue);
}

.footer .box-container .box p{
    font-size: 1.5rem;
    color:#333;
    padding:1rem 0;
}

.footer .box-container .box p i{
    padding:0 .5rem;
    color:var(--blue);
}

.footer .box-container .box:nth-child(2){
    text-align: center;
}

.footer .box-container .box a{
    font-size: 1.8rem;
    display:block;
    color:#333;
    padding:.5rem 0;
}

.footer a:hover{
    text-decoration: underline;
}

.footer .credit{
    padding:2rem 1rem;
    text-align: center;
    background:#333;
    color:#eee;
    font-size: 2rem;
}

.footer .credit a{
    color:#fff;
}


/* media queries  */

@media (max-width:768px){

    html{
        font-size: 55%;
    }

    header #menu{
        display: block;
    }
    
    header .navbar{
        position: fixed;
        top:-120%; left:0;
        width:100%;
        background:#fff;
        opacity: 0;
    }

    header .navbar ul{
        padding:2rem 0;
        flex-flow: column;
        justify-content: center;
    }

    header .navbar ul li a{
        font-size: 2.5rem;
        color:#333;
        display: block;
        margin:1rem 0;
    }

    header .navbar ul li a::before{
        background:#333;
    }

    .fa-times{
        transform: rotate(180deg);
    }

    header .navbar.nav-toggle{
        top:7.4rem;
        opacity: 1;
    }

    .home .content{
        text-align: center;
    }

    .features .description{
        width:auto;
        padding:1rem;
    }

    .contact form{
        width:95%;
    }

}

@media (max-width:500px){

    html{
        font-size: 50%;
    }

    .home .content h1{
        font-size: 3.5rem;
    }

    .about .image img{
        width:80%;
        height:auto;
    }

    .contact form .inputBox input{
        width:100%; 
    }

}