body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    color: #333;
    background-color: #f5f5f5;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background-color: #0d47a1;
    color: white;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

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

.logo {
    display: flex;
    align-items: center;
}

    .logo img {
        height: 50px;
        margin-right: 15px;
    }

nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

    nav ul li {
        margin-left: 20px;
    }

        nav ul li a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }

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

.hero {
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://source.unsplash.com/random/1600x900/?industrial') no-repeat center center/cover;
    height: 500px;
    display: flex;
    align-items: center;
    text-align: center;
    color: white;
    padding: 0 20px;
    margin-top: 80px;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

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

.btn {
    background-color: #0d47a1;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 4px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    transition: background-color 0.3s;
}

    .btn:hover {
        background-color: #1565c0;
    }

.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

    .section-title h2 {
        font-size: 2.2rem;
        color: #0d47a1;
        margin-bottom: 15px;
    }

.card {
    background-color: white;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

    .card:hover {
        transform: translateY(-5px);
        box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    }

.card-content {
    padding: 20px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline-item {
    background-color: white;
    padding: 20px;
    margin-bottom: 30px;
    border-radius: 4px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: relative;
}

    .timeline-item h3 {
        color: #0d47a1;
        margin-top: 0;
    }

footer {
    background-color: #0d47a1;
    color: white;
    padding: 50px 0;
    text-align: center;
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
    }

    nav {
        margin-top: 15px;
    }

        nav ul {
            flex-direction: column;
            align-items: center;
        }

            nav ul li {
                margin: 10px 0;
            }

    .grid {
        grid-template-columns: 1fr;
    }
}