*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{
    font-family:Segoe UI,Arial,sans-serif;
    color:#333;
    background:#f5f7fa;
    line-height:1.6;
}

.container{
    width:90%;
    max-width:1100px;
    margin:auto;
}

header{
    background:#1f4e79;
    color:white;
    text-align:center;
    padding:100px 20px;
}

header h1{
    font-size:3rem;
    margin-bottom:15px;
}

header p{
    font-size:1.2rem;
    margin-bottom:30px;
}

.button{
    display:inline-block;
    padding:14px 30px;
    background:#ff9800;
    color:white;
    text-decoration:none;
    border-radius:6px;
}

.button:hover{
    background:#e68900;
}

.features{
    padding:70px 0;
}

.features .container{
    display:flex;
    gap:25px;
    justify-content:center;
    flex-wrap:wrap;
}

.card{
    background:white;
    padding:30px;
    width:300px;
    border-radius:8px;
    box-shadow:0 4px 15px rgba(0,0,0,.1);
    text-align:center;
}

#contact{
    background:white;
    text-align:center;
    padding:70px 20px;
}

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