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

body {
    background: #f4f4f4;
    color: #333;
    line-height: 1.6;
}

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

header {
    background: #0f172a;
    color: #fff;
    padding: 20px 0;
}

header h1 {
    margin-bottom: 10px;
}

nav a {
    color: #fff;
    margin-right: 15px;
    text-decoration: none;
    font-weight: bold;
}

nav a:hover {
    text-decoration: underline;
}

.hero {
    background: #1e293b;
    color: #fff;
    padding: 80px 0;
    text-align: center;
}

.hero h2 {
    margin-bottom: 15px;
    font-size: 32px;
}

section {
    padding: 60px 0;
}

section h2 {
    margin-bottom: 25px;
    color: #0f172a;
}

.service {
    background: #fff;
    padding: 20px;
    margin-bottom: 20px;
    border-left: 5px solid #0f172a;
}

.alt {
    background: #e5e7eb;
}

footer {
    background: #0f172a;
    color: #fff;
    text-align: center;
    padding: 20px;
    margin-top: 40px;
}

@media (max-width: 600px) {
    header h1 {
        text-align: center;
    }

    nav {
        text-align: center;
    }

    nav a {
        display: inline-block;
        margin: 10px;
    }
}