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

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

/* Header */
header {
    background: #0a3d62;
    color: #fff;
    padding: 15px 0;
}

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

.logo {
    float: left;
}

nav {
    float: right;
}

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

header::after {
    content: "";
    display: block;
    clear: both;
}

/* Hero */
.hero {
    background: #1e90ff;
    color: #fff;
    padding: 80px 0;
    text-align: center;
}

.hero .btn {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 25px;
    background: #fff;
    color: #1e90ff;
    text-decoration: none;
    font-weight: bold;
}

/* Sections */
section {
    padding: 60px 0;
    text-align: center;
}

.services .service-box {
    display: flex;
    gap: 20px;
    margin-top: 30px;
}

.service {
    background: #f4f4f4;
    padding: 20px;
    flex: 1;
}

/* About */
.about {
    background: #f9f9f9;
}

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

.contact input,
.contact textarea {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
}

.contact button {
    padding: 10px;
    width: 100%;
    background: #1e90ff;
    color: #fff;
    border: none;
    cursor: pointer;
}

/* Footer */
footer {
    background: #0a3d62;
    color: #fff;
    text-align: center;
    padding: 15px 0;
}

/* Responsive */
@media (max-width: 768px) {
    .services .service-box {
        flex-direction: column;
    }

    nav {
        float: none;
        text-align: center;
        margin-top: 10px;
    }

    .logo {
        float: none;
        text-align: center;
    }
}