* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #ffffff;
    --secondary-color: #8960ab; /* RGB(137,96,171) - Main purple theme */
    --purple-dark: #6d4a87; /* Darker shade for accents */
    --purple-light: #a77bc4; /* Lighter shade for hover states */
    --text-dark: #333333;
    --text-light: #666666;
    --bg-light: #f8f9fa;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--primary-color);
}

/* Navigation Bar */
.navbar {
    background: var(--primary-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 0;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.nav-logo a:hover {
    opacity: 0.8;
}

.logo-image {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    font-weight: 900;
    color: var(--secondary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0;
    align-items: center;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 20px 25px;
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--secondary-color);
    background-color: var(--bg-light);
}

.dropdown-arrow {
    font-size: 0.7rem;
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.nav-item:hover .dropdown-arrow {
    transform: rotate(180deg);
}

/* Dropdown Menu */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--primary-color);
    min-width: 220px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    border-radius: 0 0 10px 10px;
    padding: 10px 0;
    z-index: 999;
}

.nav-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: 12px 25px;
    color: var(--text-dark);
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.dropdown-menu a:hover {
    background-color: var(--bg-light);
    color: var(--secondary-color);
    border-left-color: var(--secondary-color);
    padding-left: 30px;
}

/* Nested Dropdown (Subsections) */
.dropdown-menu li {
    position: relative;
}

.dropdown-submenu {
    position: absolute;
    left: 100%;
    top: 0;
    background: var(--primary-color);
    min-width: 220px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-10px);
    transition: all 0.3s ease;
    border-radius: 0 10px 10px 10px;
    padding: 10px 0;
    z-index: 1000;
    margin-left: 5px;
}

.dropdown-menu li:hover .dropdown-submenu {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.dropdown-submenu a {
    padding: 10px 20px;
    font-size: 0.9rem;
}

.dropdown-menu .has-submenu::after {
    content: '▶';
    float: right;
    font-size: 0.7rem;
    color: var(--text-light);
    margin-top: 3px;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    gap: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: all 0.3s ease;
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Main Content */
main {
    min-height: calc(100vh - 200px);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: var(--primary-color);
    padding: 60px 20px 20px;
    margin-top: 80px;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--secondary-color);
    font-weight: 700;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.footer-section a:hover {
    color: var(--secondary-color);
    padding-left: 5px;
}

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 968px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--primary-color);
        width: 100%;
        text-align: left;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
        height: calc(100vh - 70px);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-item {
        width: 100%;
    }
    
    .nav-link {
        padding: 15px 25px;
        width: 100%;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: var(--bg-light);
        margin-left: 20px;
        margin-top: 5px;
        border-radius: 5px;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .nav-item:hover .dropdown-menu,
    .nav-item.active .dropdown-menu {
        max-height: 500px;
    }
    
    .dropdown-menu a {
        padding: 10px 25px;
    }
    
    .dropdown-submenu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: rgba(0, 0, 0, 0.05);
        margin-left: 20px;
        margin-top: 5px;
        border-radius: 5px;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .dropdown-menu li:hover .dropdown-submenu,
    .dropdown-menu li.active .dropdown-submenu {
        max-height: 500px;
    }
    
    .footer-container {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .nav-logo a {
        font-size: 1.5rem;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
    }
    
    .footer-section h3 {
        font-size: 1.3rem;
    }
}