/* Default Light Mode */
body {
    background-color: #ffffff;
    color: #000000;
    font-family: 'Arial', sans-serif;
    transition: background 0.3s ease-in-out, color 0.3s ease-in-out;
    display: flex;
    flex-direction: column;
}

/* Ensure the footer is always at the bottom */
html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

.container {
    flex: 1;
}

footer {
    flex-shrink: 0;
    background-color: #343a40;
    color: white;
    text-align: center;
    padding: 15px;
}

/* Dark Mode Styles */
.dark-mode {
    background-color: #121212 !important;
    color: #ffffff !important;
}

.dark-mode .card {
    background-color: #1e1e1e !important;
    color: #ffffff !important;
    border: 1px solid #444 !important;
}

.dark-mode .navbar {
    background-color: #1e1e1e !important;
    box-shadow: 0px 4px 10px rgba(255, 255, 255, 0.5) !important;
}

.dark-mode .navbar-brand {
    color: #ffffff !important;
}

.dark-mode .navbar-brand:hover {
    color: #00aaff !important;
}

.dark-mode .navbar-nav .nav-link:hover {
    color: #00aaff !important;
}

.dark-mode .btn-primary {
    background-color: #007bff !important;
    border-color: #0056b3 !important;
}

.dark-mode img {
    filter: brightness(0.8);
}

/* Card Effects */
.card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Text Hover Effect */
h1, h3, .lead {
    transition: color 0.3s ease-in-out;
}

h1:hover, h3:hover, .lead:hover {
    color: #007bff;
}

/* Scroll Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.show {
    opacity: 1;
    transform: translateY(0);
}

footer {
    margin-top: 20px;
    padding: 15px;
    background-color: #343a40;
}