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

body{
    line-height:1.6;
}

/* Header */
header{
    background:#004080;
    color:white;
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:15px 50px;
}

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

nav ul{
    list-style:none;
    display:flex;
}

nav ul li{
    margin-left:20px;
}

nav ul li a{
    color:white;
    text-decoration:none;
}

/* Hero */
.hero{
    background:url('./Images/4.jpg') center/cover no-repeat;
    height:90vh;
    color:black;
    display:flex;
    flex-direction:column;
    justify-content:center;
    align-items:center;
    text-align:center;
}

.hero h1{
    font-size:50px;
}

.hero p{
    font-size:22px;
    margin:15px 0;
}

.btn{
    background:#ff9900;
    color:white;
    padding:12px 25px;
    text-decoration:none;
    border-radius:5px;
}

/* Sections */
section{
    padding:60px 20px;
    text-align:center;
}

.about{
    background:#f4f4f4;
}

/* Courses */
.course-container{
    display:flex;
    justify-content:center;
    gap:20px;
    flex-wrap:wrap;
}

.course-card{
    background:white;
    padding:20px;
    width:300px;
    box-shadow:0 0 10px rgba(0,0,0,0.2);
    border-radius:10px;
}

/* Contact */
.contact form{
    max-width:500px;
    margin:auto;
}

.contact input,
.contact textarea{
    width:100%;
    padding:12px;
    margin:10px 0;
    border:1px solid #ccc;
}

.contact button{
    background:#004080;
    color:white;
    padding:12px 20px;
    border:none;
    cursor:pointer;
}

/* Footer */
footer{
    background:#222;
    color:white;
    text-align:center;
    padding:20px;
}

/* Responsive Design */
@media(max-width:768px){
    header{
        flex-direction:column;
    }

    nav ul{
        flex-direction:column;
        text-align:center;
    }

    nav ul li{
        margin:10px 0;
    }

    .hero h1{
        font-size:35px;
    }
}