/* Define CSS variables for consistent sizing and colors */
:root {
    --navbar-height: 60px;
    --footer-height: 50px;
    --background-color: #f9f9f9;
    --text-color: #333;
    --primary-color: #003087;
    --accent-color: #28a745;
}

/* Body styling */
body {
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    padding-top: var(--navbar-height);
}

/* Navbar styling */
.navbar {
    background-color: var(--primary-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: bold;
    display: flex;
    align-items: center;
}

.navbar-logo {
    height: 35px;
    border-radius: 50%; /* Circular logo */
    margin-right: 0.5rem;
    border: 0; /* White border for contrast */
}

.navbar-nav {
    display: flex;
    justify-content: center;
    width: 100%; /* Ensure nav links take full width for centering */
}

.nav-link {
    font-size: 1.1rem;
    color: #fff !important;
    padding: 0.5rem 1.2rem;
    transition: background 0.3s ease;
    border-radius: 5px;
}

.nav-link:hover {
    background: #005cbf;
}

.navbar-toggler {
    border: none;
    font-size: 1.2rem;
}

/* Common div styling */
.common-div {
    min-height: calc(100vh - var(--navbar-height) - var(--footer-height));
    padding: 15px;
}

/* Container styling */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 1.5rem 1rem;
}

/* Section styling */
section {
    background-color: #fff;
    border-radius: 8px;
    border: 1px solid #ddd;
    padding: 1.2rem;
    margin-bottom: 0.1rem !important;
}

/* Section heading styling */
section h2 {
    font-size: 1.6rem;
    color: var(--primary-color);
    font-weight: bold;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
}

/* Fix for fixed navbar */
.fixed-top {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 1000;
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar-brand {
        font-size: 1.3rem;
    }
    .navbar-logo {
        height: 30px;
    }
    .nav-link {
        font-size: 1rem;
        padding: 0.5rem 1rem;
        text-align: center; /* Center links on mobile */
    }
    .navbar-nav {
        padding: 0.5rem 0;
    }
    .common-div {
        padding: 10px;
    }
    .container {
        padding: 1rem;
    }
    .section {
        padding: 1rem;
        margin-bottom: 1rem;
    }
    section h2 {
        font-size: 1.4rem;
    }
}

@media (max-width: 576px) {
    .navbar-brand {
        font-size: 1.2rem;
    }
    .navbar-logo {
        height: 38px;
    }
    .nav-link {
        font-size: 0.9rem;
        padding: 0.4rem 0.8rem;
    }
    .common-div {
        padding: 5px;
    }
    section {
        padding: 0.8rem;
        margin-bottom: 0.8rem;
    }
    section h2 {
        font-size: 1.3rem;
    }
}