body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f4f6f9;
    color: #333;
}

header {
    background: #0d1b2a;
    color: white;
    padding: 15px 0;
}

.container {
    width: 90%;
    margin: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.hero {
    text-align: center;
    padding: 100px 20px;
    background: linear-gradient(to right, #1b263b, #415a77);
    color: white;
}

.hero button {
    padding: 10px 20px;
    border: none;
    background: #00b4d8;
    color: white;
    cursor: pointer;
    margin-top: 15px;
}

.features {
    display: flex;
    justify-content: space-around;
    padding: 60px 20px;
}

.features div {
    width: 30%;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
}

footer {
    text-align: center;
    padding: 20px;
    background: #0d1b2a;
    color: white;
}