*{
    margin:0;
    padding:0;
    font-family:system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
header{
    background-color: rgba(69,69,69,0.95);
    padding:10px 0;
    position:fixed;
    width:100%;   
}
nav{ 
    display:flex;
    justify-content:center;
    text-align: center;
    
}
.nav-links{
    text-align: center;
    display:flex;
    list-style: none ;
    width:90%;
    padding:0 150px;
    justify-content:space-between;

}
.nav-links li a{
    color:white;
    text-decoration: none;
    font-size:12px;

}
   /* iphon 16 pro */
.section1{
    background:url("./app-img/iphon16pro.jpg");
    background-size:cover;
    background-repeat: no-repeat;
    background-position:center;
    height:100vh; 
    
  
}
.center{
    text-align:center;
    color:white;
    padding-top:60px;
}
.center h1{
    font-size:50px;
}
.center h2{
    font-size:25px;
    padding:10px;
}
button{
    padding:10px 25px;
    border-radius:40px;
    border:none;
    margin-top:10px;
    margin-right:15px;
    font-size:18px;
    transition: 0.3s;
}
.learn{
    background-color: #0076DF;
    color:white;
}
.buy{
    background:transparent;
    color: #0076DF;
    border:1px solid #0076DF;
}
.learn:hover{
    opacity:0.95;

}
.buy:hover{
    background:#0076DF;
    color:white;
}
 

 /* iphone  16 */

.section2{
    background:url("./app-img/iphon16.jpg");
    background-size:cover;
    background-repeat: no-repeat;
    background-position:center;
    height:100vh; 
    margin: 10px 0px;
}
#learn{
    background-color: rgba(255,255,255,0.90);
    color:black;
}
#buy{
    border:1px solid white;
    color:white;

}
#learn:hover{
    background-color:white;

}

#buy:hover{
    background:white;
    color:black;
}
 
/* iphon  watch */

.section3{
    background:url("./app-img/watch.jpg");
    background-size:cover;
    background-position:center;
    background-repeat: no-repeat;
    height:100vh; 
    margin: 10px 0;
    
}

.section3 h2{
    font-size:30px;
    color:black;
    font-height: 120px;
    font-weight:400 ;
    padding-bottom:10px;
}
.section3 img{
    max-width:230px;
}   

/* ww and mac */

.section4{
    display:flex;
}
#ww{
    background-image:url("./app-img/ww.jpg");
}
#mac{
    background-image:url("./app-img/mac.jpg"); 
}
.common{
    text-align:center;
    color:black;
    padding-top:60px;
    background-size:cover;
    background-position:center;
    background-repeat: no-repeat;
    width:100%;
    height:100vh; 
    margin: 5px 5px;
    
}
.section4 h1{
    font-size:30px;
    color:black;
    font-weight:600 ;
    padding-bottom:5px;
}
.section4 h2{
    font-size:20px;
    color:black;
    font-weight:400 ;
    padding-bottom:5px;
}

#learnn{
    padding:8px 15px;
    font-size:15px;
}
#buyy{
    padding:8px 15px;
    font-size:15px;
}
.common img{
    max-width:100px;
}

/* ww and mac */

#ipad{
    background-image:url("./app-img/ipadd.jpg");
}
#airpod{
    background-image:url("./app-img/airpod.jpg"); 
}
#airpod h1,#airpod h2{
    color:white;

}

/* trade and card */

#trad{
    background-image:url("./app-img/trade.jpg");
}
#card{
    background-image:url("./app-img/appcard.jpg"); 
}
#trad img{
    max-width:150px;
}
.common #img{
    max-width:250px;

}
.section4 #www{
    margin-top:410px;
}
.section4 #apple{
    margin-top:330px;
}

/* footer  */

.footer{
    background: #f8f8f8;
    padding:10px 150px;
    font-size: 13px;
    font-weight:100;
}
.footer p{
   
}
.colomn{
    display:flex;
    width:100%;
    font-size:13px;
    font-weight:300;
    justify-content:space-between;
}
.colomn ul{
    list-style: none;
}
.colomn h5{
    font-weight:400;
    font-size:13px;
}
.footer a{
    text-decoration:none;
    color:black;
}
.footer a :hover{
    text-decoration:underline;
}
.footer-bottom{
    padding:15px 0;
    font-weight: 300;
}
.footer-bottom spam a{
    font-weight: 400;
}
.footer-bottom spam a:hover{
    text-decoration: underline;
}