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

body{
    background:#f5f7fa;
    color:#333;
    line-height:1.7;
}

header{
    background:linear-gradient(135deg,#4f46e5,#2563eb);
    color:white;
    text-align:center;
    padding:60px 20px;
}

header h1{
    font-size:3rem;
}

header p{
    margin:15px 0;
    font-size:1.2rem;
}

nav{
    margin-top:20px;
}

nav a{
    color:white;
    text-decoration:none;
    margin:0 15px;
    font-weight:bold;
    transition:.3s;
}

nav a:hover{
    color:#ffd700;
}

section{
    max-width:1000px;
    margin:40px auto;
    padding:20px;
}

section h2{
    color:#2563eb;
    margin-bottom:20px;
    border-left:5px solid #2563eb;
    padding-left:10px;
}

.card{
    background:white;
    padding:20px;
    margin-bottom:20px;
    border-radius:12px;
    box-shadow:0 5px 15px rgba(0,0,0,.1);
}

ul{
    margin-left:20px;
}

li{
    margin:10px 0;
}

#contact p{
    margin:10px 0;
    font-size:18px;
}

footer{
    background:#111827;
    color:white;
    text-align:center;
    padding:20px;
    margin-top:40px;
}

@media(max-width:768px){

header h1{
    font-size:2rem;
}

nav a{
    display:block;
    margin:10px 0;
}

section{
    padding:15px;
}

}