body{
font-family:'Segoe UI', sans-serif;
margin:0;
background:#f5f7f6;
}

header{
background:#0a7d5e;
color:white;
padding:20px;
text-align:center;
font-size:28px;
}

nav{
background:white;
padding:15px;
text-align:center;
box-shadow:0 2px 5px rgba(0,0,0,0.1);
}

nav a{
margin:15px;
text-decoration:none;
color:#333;
font-weight:bold;
}

.container{
padding:20px;
max-width:900px;
margin:auto;
}

.card{
background:white;
padding:20px;
margin-bottom:20px;
border-radius:10px;
box-shadow:0 3px 10px rgba(0,0,0,0.05);
}

.arabic{
font-size:30px;
text-align:right;
line-height:2;
}

h1,h2{
color:#0a7d5e;
}