body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f4;
}

header {
    background: #003366;
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

nav h1 {
    margin: 0;
    font-size: 1.5rem;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    margin: 0;
}

nav a {
    color: white;
    text-decoration: none;
    transition: color 0.3s;
}

nav a:hover {
    color: #66ccff;
}

section {
    padding: 3rem 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

#hero {
    background: #003366;
    color: white;
    text-align: center;
    padding: 4rem 1rem;
}

#hero h2 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

#hero p {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

#hero .applications {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

#hero .applications li {
    background: rgba(255,255,255,0.2);
    padding: 0.5rem 1rem;
    border-radius: 20px;
}

#services ul {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

#services li {
    background: white;
    margin: 0;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s;
}

#services li:hover {
    transform: translateY(-5px);
}

#services a {
    color: #003366;
    text-decoration: none;
    font-weight: bold;
}

#service-detail {
    text-align: center;
}

#service-detail ul {
    list-style: none;
    padding: 0;
    max-width: 600px;
    margin: 1rem auto;
}

#service-detail li {
    background: #f9f9f9;
    padding: 1rem;
    margin: 0.5rem 0;
    border-radius: 5px;
}

.cta-button {
    display: inline-block;
    background: #003366;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
    transition: background 0.3s;
    margin-top: 1rem;
}

.cta-button:hover {
    background: #004080;
}

form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 600px;
    margin: 0 auto;
}

input, textarea, button {
    padding: 0.75rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
}

button {
    background: #003366;
    color: white;
    cursor: pointer;
    transition: background 0.3s;
}

button:hover {
    background: #004080;
}

footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 1.5rem;
    margin-top: 2rem;
}

@media (max-width: 768px) {
    nav {
        flex-direction: column;
        gap: 1rem;
    }

    #hero h2 {
        font-size: 2rem;
    }
}