*{
margin:0;
padding:0;
box-sizing:border-box;
font-family:Arial,sans-serif;
}

body{
background:#f4f4f4;
color:#333;
}

header{
background:#0d47a1;
color:white;
display:flex;
justify-content:space-between;
align-items:center;
padding:15px 40px;
}

.logo{
font-size:24px;
font-weight:bold;
}

nav a{
color:white;
text-decoration:none;
margin-left:20px;
}

nav a:hover{
color:yellow;
}

.hero{
height:80vh;
display:flex;
flex-direction:column;
justify-content:center;
align-items:center;
text-align:center;
background:linear-gradient(rgba(0,0,0,0.5),rgba(0,0,0,0.5)),url('images/banner.jpg');
background-size:cover;
color:white;
}

.hero h1{
font-size:52px;
margin-bottom:20px;
}

.hero p{
font-size:24px;
margin-bottom:25px;
}

.btn{
background:orange;
padding:12px 25px;
border-radius:5px;
color:white;
text-decoration:none;
}

.features{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:20px;
padding:50px;
}

.card,.course-box{
background:white;
padding:25px;
border-radius:10px;
box-shadow:0 0 10px rgba(0,0,0,0.1);
margin-bottom:20px;
}

.page{
padding:50px;
}

.gallery{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:20px;
}

.gallery img{
width:100%;
border-radius:10px;
}

form{
display:flex;
flex-direction:column;
gap:15px;
max-width:500px;
margin-top:20px;
}

input,textarea,button{
padding:12px;
}

button{
background:#0d47a1;
color:white;
border:none;
cursor:pointer;
}

footer{
background:#0d47a1;
color:white;
text-align:center;
padding:15px;
margin-top:40px;
}