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

body {
    font-family: 'Arial', sans-serif;
    color: #333;
    line-height: 1.6;
}

.container {
    width: 85%;
    max-width: 1200px;
    margin: 0 auto;
}

header {
    background-color: #004d99;
    color: white;
    padding: 1em 0;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav ul {
    list-style-type: none;
}

nav ul li {
    display: inline;
    margin: 0 15px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: #ffcc00;
}

#hero {
    background: url('https://source.unsplash.com/1600x900/?technology') no-repeat center center/cover;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
}

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.hero-content .btn {
    background-color: #ffcc00;
    color: #333;
    padding: 10px 20px;
    text-decoration: none;
    font-size: 1.2rem;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.hero-content .btn:hover {
    background-color: #ffc107;
}

section {
    padding: 4em 0;
    text-align: center;
}

#about {
    background-color: #f4f4f4;
}

#services {
    background-color: #e2e2e2;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2em;
    margin-top: 2em;
}

.service {
    background-color: white;
    padding: 2em;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

footer {
    background-color: #004d99;
    color: white;
    text-align: center;
    padding: 1em 0;
}

footer p {
    margin: 0;
}