:root {
    --primary-color: #1E90FF; /* Base blue - vibrant and central */
    --secondary-color: #40C4FF; /* Lighter shade - fresh and energetic */
    --bg-primary: 0 4px 15px rgba(30, 144, 255, 0.3); /* Shadow based on base blue */
    --deep-sky-blue: #87CEFA; /* Light, vibrant sky blue */
    --steel-blue: #4682B4; /* Muted, sophisticated mid-tone */
    --navy-blue: #104E8B; /* Dark, rich blue */
    --cornflower-blue: #6495ED; /* Soft, approachable blue */
    --aqua-marine: #B0E2FF; /* Very light, fresh blue */
}

/* Ensure the body takes up full height */
html, body {
    height: 100%;
    margin: 0;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh; /* Ensures the body takes at least the full viewport height */
}

/* Main content takes up available space */
.main-content {
    flex: 1 0 auto; /* Allows the content to grow and push the footer down */
}

/* Navbar Styles */
.navbar {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    box-shadow: var(--bg-primary);
    padding: 1rem 2rem;
}

.navbar-brand {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    color: white;
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

    .navbar-brand:hover {
        color: var(--aqua-marine);
    }

.nav-link {
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    color: white !important;
    padding: 0.5rem 1rem;
    position: relative;
    transition: all 0.3s ease;
}

    .nav-link:hover {
        color: var(--aqua-marine) !important;
        transform: translateY(-2px);
    }

    .nav-link::after {
        content: '';
        position: absolute;
        width: 0;
        height: 2px;
        bottom: 0;
        left: 0;
        background: var(--aqua-marine);
        transition: width 0.3s ease;
    }

    .nav-link:hover::after {
        width: 100%;
    }

    .nav-link.active {
        color: var(--navy-blue) !important;
        font-weight: 700;
    }

/* Footer Styles */
.footer {
    background: linear-gradient(90deg, var(--navy-blue), var(--steel-blue));
    color: white;
    padding: 2rem 0;
    font-family: 'Poppins', sans-serif;
    flex-shrink: 0; /* Prevents the footer from shrinking */
}

    .footer h5 {
        color: var(--aqua-marine);
        font-weight: 600;
        margin-bottom: 1.5rem;
    }

    .footer a {
        color: var(--deep-sky-blue);
        text-decoration: none;
        transition: color 0.3s ease;
    }

        .footer a:hover {
            color: var(--secondary-color);
        }

    .footer .contact-details i {
        margin-right: 0.5rem;
        color: var(--cornflower-blue);
    }

    .footer .row {
        max-width: 1200px;
        margin: 0 auto;
    }