:root {
    /* Primary Purple Palette */
    --primary-purple-deep: #6B46C1;
    --primary-purple-mid: #7C3AED;
    --primary-purple-light: #8B5CF6;

    /* Blue Accents */
    --accent-blue-deep: #2563EB;
    --accent-blue-mid: #3B82F6;
    --accent-blue-light: #60A5FA;

    /* Complementary Colors */
    --lavender-soft: #E9D5FF;
    --mint-green: #6EE7B7;
    --coral-warm: #FB923C;
    --indigo-deep: #312E81;

    /* Dark Mode Colors */
    --bg-dark-secondary: #1E1B4B;
    --bg-dark-primary: #000000;
    --bg-dark-tertiary: #1E1B4B;

    /* Light Mode Colors */
    --bg-light-primary: #ffffff;
    --bg-light-secondary: #F8FAFC;
    --text-light: #dddbe0;
    --text-dark: #1E293B;

    /* Gradients */
    --gradient-purple-blue: linear-gradient(135deg, var(--primary-purple-mid) 0%, var(--accent-blue-mid) 100%);
    --gradient-purple-blue-radial: radial-gradient(circle at top right, var(--primary-purple-light), var(--accent-blue-light));

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Typography */
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Space Grotesk', sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
    --transition-slow: 0.6s ease;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(124, 58, 237, 0.1);
    --shadow-md: 0 4px 16px rgba(124, 58, 237, 0.2);
    --shadow-lg: 0 8px 32px rgba(124, 58, 237, 0.3);
    --shadow-glow: 0 0 40px rgba(124, 58, 237, 0.4);
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-dark-primary);
    color: var(--text-light);
}

/* Prevent Flash - Reserve space for navigation */
#nav-container {
    position: sticky;
    top: 0;
    z-index: 1000;
    min-height: 70px;
    background-color: var(--bg-dark-secondary);
}

/* Navigation Container */
.main-nav {
    background-color: var(--bg-dark-secondary);
    padding: var(--spacing-sm) 0;
    width: 100%;
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Logo Styles */
.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    text-decoration: none;
    color: var(--text-light);
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 500;
    transition: transform var(--transition-fast);
}

.nav-logo:hover {
    transform: translateY(-2px);
}

.logo-icon {
    font-size: 1.75rem;
    background: var(--gradient-purple-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.logo-text {
    background: var(--gradient-purple-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Mobile Toggle Button */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    z-index: 1001;
}

.hamburger {
    width: 25px;
    height: 3px;
    background: var(--text-light);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

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

.nav-toggle.active .hamburger:nth-child(2) {
    opacity: 0;
}

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

/* Navigation Links */
.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-links > li {
    position: relative;
}

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 300;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 8px;
    transition: all var(--transition-fast);
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background: var(--gradient-purple-blue);
    transition: all var(--transition-fast);
    transform: translateX(-50%);
}

.nav-link:hover {
    color: var(--primary-purple-light);
    background-color: rgba(139, 92, 246, 0.1);
}

.nav-link:hover::after {
    width: 80%;
}

.nav-link.active {
    color: var(--primary-purple-light);
    background-color: rgba(139, 92, 246, 0.15);
}

/* Dropdown Styles */
.nav-item-dropdown {
    position: relative;
}

.dropdown-toggle {
    cursor: pointer;
}

.dropdown-arrow {
    font-size: 0.7rem;
    transition: transform var(--transition-fast);
}

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

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--bg-dark-secondary);
    list-style: none;
    padding: var(--spacing-xs) 0;
    margin-top: var(--spacing-xs);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 1000;
    border: 1px solid rgba(139, 92, 246, 0.2);
}

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

.dropdown-link {
    color: var(--text-light);
    text-decoration: none;
    display: block;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.95rem;
    font-weight: 300;
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
}

.dropdown-link:hover {
    background-color: rgba(139, 92, 246, 0.15);
    border-left-color: var(--primary-purple-light);
    color: var(--primary-purple-light);
    padding-left: calc(var(--spacing-sm) + 5px);
}

.dropdown-menu li {
    margin: 0;
}

/* Mobile Responsive */
@media screen and (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 70%;
        max-width: 300px;
        background-color: var(--bg-dark-secondary);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        gap: var(--spacing-sm);
        padding-top: 80px;
        transition: right var(--transition-medium);
        box-shadow: var(--shadow-lg);
        overflow-y: auto;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links > li {
        width: 90%;
    }

    .nav-link {
        font-size: 1.1rem;
        width: 100%;
        text-align: center;
        justify-content: center;
    }

    /* Mobile Dropdown Styles */
    .dropdown-menu {
        position: static;
        opacity: 0;
        visibility: hidden;
        max-height: 0;
        overflow: hidden;
        transform: none;
        margin-top: 0;
        box-shadow: none;
        border: none;
        background-color: rgba(139, 92, 246, 0.1);
        border-radius: 0;
        transition: all var(--transition-fast);
    }

    .nav-item-dropdown.active .dropdown-menu {
        opacity: 1;
        visibility: visible;
        max-height: 500px;
        margin-top: var(--spacing-xs);
    }

    .dropdown-link {
        font-size: 1rem;
        text-align: center;
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .dropdown-arrow {
        margin-left: auto;
    }

    /* Disable hover effects on mobile */
    .nav-item-dropdown:hover .dropdown-menu {
        opacity: 0;
        visibility: hidden;
        max-height: 0;
    }

    .nav-item-dropdown:hover .dropdown-arrow {
        transform: none;
    }
}

/* Tablet Responsive */
@media screen and (max-width: 1024px) and (min-width: 769px) {
    .nav-container {
        padding: 0 var(--spacing-sm);
    }

    .nav-links {
        gap: var(--spacing-sm);
    }

    .nav-link {
        font-size: 0.95rem;
        padding: var(--spacing-xs);
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}