*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth;
  font-family:system-ui,sans-serif;
}
html{
  font-size: 20px;
}
body{
    background:linear-gradient(rgba(255,255,255,0.3),rgba(255,255,255,0.2)),url("image/el_masria_for_engineering_concrete_cover.jpg");
    background-position: center;
    text-transform: uppercase;
    width: 100%;
    height: 100vh
    ;
}
.logo{
    direction: ltr;
}
.coin {
  
  display: flex;
  font-size: 150px;
  width: 0.1em;
  height: 1em;
  background: linear-gradient(#ffffff, #141001);
  left: 100px;
  top: 20px;
  position: absolute;
  animation: rotate_4001510 7s infinite linear;
  transform-style: preserve-3d;
}

.coin .side, .coin:before, .coin:after {
  background: url("image/المصريه\ logo.jpg");
  background-position: center;
  background-size: cover;
  content: "";
  position: absolute;
  width: 1em;
  height: 1em;
  overflow: hidden;
  border-radius: 50%;
  right: -0.4em;
  text-align: center;
  line-height: 1;
  transform: rotateY(-90deg);
  -moz-backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}
.coin .tails, .coin:after {
  background: url("image/المصريه\ logo.jpg");
  background-position: center;
  background-size: cover;
  left: -0.4em;
  transform: rotateY(90deg);
}
.coin:before, .coin:after {
  background: linear-gradient(#ffffff, #141001);
  backface-visibility: hidden;
  transform: rotateY(90deg);
}
.coin:after {
  transform: rotateY(-90deg);
}
@keyframes rotate_4001510 {
  100% {
    transform: rotateY(360deg);
  }
}
.navbar{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:20px 50px;
    background:whitesmoke;
    box-shadow:0 2px 10px rgba(0,0,0,0.1);
    direction: ltr;
    margin: 0;
    height: 20vh;
}
.nav-links{
    display:flex;
    list-style:none;
    gap:20px;
    padding-right: 20px;
    align-items: center;
}
.nav-links a{
    text-decoration:none;
    font-weight:bold;
    color: #000000;
    transition:.3s;
    margin: 0;
    padding: 10px 10px;
    border-radius: 20px;
}
.active{
  background:#b0e8f2;
  display: flex;

}
.nav-links a:hover{
    background: #000000;
    color:rgb(255, 255, 255);
  display: flex;
}

.menu-btn{
    display:none;
    font-size:50px;
    cursor:pointer;
}
footer{
padding:10px;
font-size: 14px;
background:#1f252ba4;
color:white;
text-align:center;
bottom: 0;
width: 100%;
}
.lan {
  position: relative;
  padding: 12px 35px;
  background:#b0e8f2;
  font-size: 17px;
  font-weight: 500;
  color: #000000;
  border: 0;
  border-radius: 10px;
  transition: all 0.3s ease-in-out;
  cursor: pointer;
}

.lan:hover {
  background: transparent;
  color: #424242;
  box-shadow: 0 0 25px #0000008c;
}
.ln{
  gap: 10px;
  display: flex;
  flex-direction: column;
}
/***********/
.img{
  height: 300px; border-radius: 20px; margin: 5%;
}
.text{
    width:100%;
    height:100%;
    display:flex;
    justify-content:center;
    flex-direction:column;
    align-items:center;
}
h2{
    width:80%;
    margin-top:10%;
    text-align:center;
    line-height:1.5;
}
/* Tablet */
@media (max-width:992px){
    h2{
        width:95%;
        margin-top:8%;
        font-size:1rem;
    }
}
/* Mobile */
@media (max-width:768px){
    h2{
        width:95%;
        margin-top:6%;
    }
    .img{
      height: 250px;
    }
}
/* Small Mobile */
@media (max-width:480px){
    h2{
        width:95%;
        margin-top:5%;
        line-height:1.4;
    }
    .img{
      height: 200px;
    }
}
@media (max-width:320px){
    h2{
        width:90%;
        margin-top:5%;
        font-size:.8rem;
        line-height:1.4;
    }
    .img{
      height: 180px;
    }
}
/************/
@media(max-width:1255px){
  footer{
position:relative;
}
}
@media (max-width:1024px){
  .coin{
    font-size: 130px;
  }
   .menu-btn{
       z-index: 100;
        display:block;
    }
    .nav-links{
        display:none;
        flex-direction:column;
        position: absolute;
        height: 100%;
        top:0px;
        right:0px;
        padding-top: 200px;
        background:white;
        width:220px;
        border-radius:10px;
        box-shadow:0 0 10px rgba(0,0,0,0.2);
       z-index: 99;
    }
    .nav-links.active{
        display:flex;
    } 
}
@media(max-width:768px){
    footer{
font-size: 10px;
}
  .coin{
    left: 55px;
    font-size: 110px;
  } 
}