:root {
    --primary-color: #6a3db3;
    --secondary-color: #4a3078;
    --accent-color: #9d7fde;
    --light-color: #ffffff;
    --dark-color: #333333;
    --bg-color: #f8f7fc;
    --text-color: #2c2c2c;
    --border-color: #e0e0e5;
}

/* Dark mode variables */
[data-theme="dark"] {
    --primary-color: #9d7fde;
    --secondary-color: #b89ef0;
    --accent-color: #6a3db3;
    --light-color: #1a1a1a;
    --dark-color: #e0e0e0;
    --bg-color: #121212;
    --text-color: #e0e0e0;
    --border-color: #333333;
}

body {
    background-color: var(--bg-color);
    font-family: 'Lora', serif;
    margin: 0;
    padding-top: 70px;
    color: var(--text-color);
    line-height: 1.8;
    font-size: 16px;
}

/* Preloader Styles */
.loader-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    background-color: var(--light-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader-wrapper.loaded {
    opacity: 0;
    visibility: hidden;
}

.loader {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(106, 61, 179, 0.2);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    color: var(--secondary-color);
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 1rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--accent-color);
    text-decoration: underline;
}

/* Dark mode toggle button */
.theme-toggle {
    background: none;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--text-color);
    margin-left: 10px;
}

.theme-toggle:hover {
    background-color: rgba(106, 61, 179, 0.1);
    border-color: var(--primary-color);
    transform: rotate(20deg);
}

.theme-toggle:focus {
    outline: 3px solid rgba(106, 61, 179, 0.3);
    outline-offset: 2px;
}

.theme-toggle i {
    font-size: 18px;
}

/* Navbar Styling */
.navbar {
    background-color: var(--light-color);
    border-bottom: 1px solid var(--border-color);
    padding: 10px 15px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.navbar-brand img {
    height: 40px;
    padding-right: 15px;
    transition: transform 0.3s ease;
}

.navbar-brand:hover img {
    transform: scale(1.05);
}

.navbar-nav .nav-link {
    color: var(--dark-color) !important;
    transition: all 0.3s ease;
    font-weight: 500;
    font-size: 16px;
    padding: 8px 15px;
    border-radius: 4px;
    font-family: 'Montserrat', sans-serif;
}

.navbar-nav .nav-link:hover, .navbar-nav .nav-link:focus {
    color: var(--primary-color) !important;
    background-color: rgba(106, 61, 179, 0.05);
}

.navbar-nav .nav-link.active {
    color: var(--primary-color) !important;
    font-weight: 600;
}

.navbar-nav .btn {
    color: var(--light-color) !important;
    background: var(--primary-color);
    border: none;
    transition: all 0.3s ease;
    font-weight: 600;
    padding: 8px 18px;
    font-family: 'Montserrat', sans-serif;
}

.navbar-nav .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(106, 61, 179, 0.3);
    background: var(--secondary-color);
}

.navbar-toggler {
    border: none;
    padding: 0;
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.navbar-toggler:focus {
    box-shadow: none;
    outline: none;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(106, 61, 179, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Footer Styling */
footer {
    background-color: var(--light-color);
    padding: 30px 0;
    text-align: center;
    font-size: 14px;
    color: var(--dark-color);
    border-top: 1px solid var(--border-color);
    margin-top: 40px;
    font-family: 'Montserrat', sans-serif;
}

footer p {
    margin-bottom: 10px;
}

footer a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

footer a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

footer .social-links {
    margin: 15px 0;
}

footer .social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background-color: rgba(106, 61, 179, 0.1);
    border-radius: 50%;
    margin: 0 5px;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

footer .social-links a:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    text-decoration: none;
}

/* Button styles */
.btn {
    border-radius: 4px;
    padding: 10px 20px;
    font-weight: 600;
    transition: all 0.3s ease;
    font-family: 'Montserrat', sans-serif;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover, .btn-primary:focus {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(106, 61, 179, 0.3);
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    color: var(--light-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(106, 61, 179, 0.2);
}

.btn-touch-active {
    transform: scale(0.98) !important;
    opacity: 0.9;
}

/* Accessibility improvements */
a:focus, button:focus, input:focus, select:focus, textarea:focus {
    outline: 3px solid rgba(106, 61, 179, 0.3);
    outline-offset: 2px;
}

/* Responsive adjustments */
@media (max-width: 991.98px) {
    .navbar {
        padding: 10px;
    }
    
    .navbar-collapse {
        background-color: white;
        padding: 15px;
        border-radius: 8px;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        margin-top: 10px;
    }
    
    .navbar-nav .nav-link {
        padding: 12px 15px;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }
    
    .navbar-nav .nav-link:last-child {
        border-bottom: none;
    }
}

@media (max-width: 767.98px) {
    body {
        padding-top: 60px;
        font-size: 15px;
    }
    
    .navbar-brand img {
        height: 35px;
    }
    
    footer {
        padding: 20px 0;
    }
    
    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.3rem; }
}