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

nav {
    background-color: #1f3c88;
    padding: 15px;
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.navbar-title {
    display: flex;
    flex-direction: column;
    margin-left: 20px;
}

.navbar-title h1 {
    color: #fff;
    font-size: 1.6rem;
    margin: 0;
}

.gstin {
    font-size: 0.85rem;
    color: #f4f4f4;
}

.navbar-links {
    list-style: none;
    display: flex;
    gap: 20px;
    margin-right: 20px;
    padding: 0;
}

.navbar-links li {
    display: inline;
}

.nav-button {
    background-color: #fff;
    color: #1f3c88;
    padding: 10px 15px;
    border-radius: 5px;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 600;
    border: 1px solid #1f3c88;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.nav-button:hover {
    background-color: #1f3c88;
    color: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    border: 1px solid #fff;
}

.nav-button:active {
    transform: scale(0.98);
    transition: transform 0.1s ease;
}

#close-menu {
    display: none;
    justify-content: flex-end;
    padding-right: 10px;
    cursor: pointer;
    font-size: 24px;
    color: #fff;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    margin-right: 20px;
}

.hamburger span {
    height: 3px;
    width: 25px;
    background: #fff;
    margin-bottom: 5px;
    border-radius: 2px;
}

section {
    padding: 60px 20px;
}

.section-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 30px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

section h2 {
    color: #1f3c88;
    font-size: 2.2rem;
    margin-bottom: 20px;
    text-align: center;
}

.projects-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.project-card {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    padding: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
    cursor: pointer;
}

.project-card img {
    width: 100%;
    border-radius: 8px;
    margin-bottom: 15px;
}

.project-card h3 {
    color: #333;
    font-size: 1.4rem;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.75);
}

.modal-content {
    background-color: #fff;
    margin: 100px auto;
    padding: 30px;
    width: 80%;
    max-width: 600px;
    border-radius: 10px;
    text-align: left;
    position: relative;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.modal-content h3 {
    font-size: 1.8rem;
    color: #1f3c88;
    margin-bottom: 20px;
}

.modal-content ul {
    list-style: none;
    padding-left: 0;
}

.modal-content ul li {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.modal-content ul li strong {
    font-weight: bold;
    color: #333;
}

.close {
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 24px;
    cursor: pointer;
}

.close:hover {
    color: #d9534f;
}

footer {
    background-color: #1f3c88;
    color: #fff;
    text-align: center;
    padding: 20px;
    border-top: 5px solid #fff;
}

@media (max-width: 768px) {
    .navbar-links {
        position: fixed;
        top: 0;
        left: -100%;
        height: 100vh;
        background-color: #1f3c88;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        width: 100%;
        gap: 40px;
        transition: 0.3s ease-in-out;
    }

    .navbar-links.active {
        left: 0;
    }

    .navbar-links li {
        padding: 10px;
    }

    .hamburger {
        display: flex;
    }

    .navbar-title h1 {
        font-size: 1.4rem;
    }

    .gstin {
        font-size: 0.75rem;
    }

    .navbar-links.active #close-menu {
        display: flex;
    }
}