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

        :root {
            --bg-primary-dark: #05050a;
            --bg-secondary-dark: rgba(20, 20, 40, 0.7);
            --text-primary-dark: #ffffff;
            --text-secondary-dark: #a0a0c0;
            --accent-purple: #8B5CF6;
            /* Lighter Purple */
            --accent-blue: #0EA5E9;
            /* Sky/Electric Blue */
            --accent-cyan: #22D3EE;
            /* Bright Cyan */
            --gradient-main: linear-gradient(135deg, #8B5CF6, #0EA5E9);

            --bg-primary-light: #f5f5fa;
            --bg-secondary-light: rgba(255, 255, 255, 0.9);
            --text-primary-light: #1a1a2e;
            --text-secondary-light: #555577;

            --current-bg-primary: var(--bg-primary-dark);
            --current-bg-secondary: var(--bg-secondary-dark);
            --current-text-primary: var(--text-primary-dark);
            --current-text-secondary: var(--text-secondary-dark);
        }

        html.light-mode {
            --current-bg-primary: var(--bg-primary-light);
            --current-bg-secondary: var(--bg-secondary-light);
            --current-text-primary: var(--text-primary-light);
            --current-text-secondary: var(--text-secondary-light);
        }

        body {
            font-family: 'Inter', sans-serif;
            background-color: var(--current-bg-primary);
            color: var(--current-text-primary);
            transition: background-color 0.3s ease, color 0.3s ease;
            overflow-x: hidden;
        }

        /* Navbar */
        nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            backdrop-filter: blur(12px);
            background: rgba(20, 20, 40, 0.5);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        html.light-mode nav {
            background: rgba(255, 255, 255, 0.7);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 1rem 2rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .nav-logo {
            font-size: 1.5rem;
            font-weight: 700;
            background: var(--gradient-main);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: 2px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
        }

        .nav-links a {
            color: var(--current-text-primary);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
        }

        .nav-links a:hover {
            color: var(--accent-purple);
        }

        /* Dropdown */
        .dropdown {
            position: relative;
        }

        .dropdown-toggle {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            cursor: pointer;
            padding: 0.5rem 1rem;
            border-radius: 8px;
            transition: background-color 0.3s ease;
        }

        .dropdown-toggle:hover {
            background: rgba(112, 0, 255, 0.1);
        }

        .dropdown-menu {
            position: absolute;
            top: 100%;
            right: 0;
            margin-top: 0.5rem;
            background: var(--current-bg-secondary);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 12px;
            min-width: 200px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-10px);
            transition: all 0.3s ease;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
        }

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

        .dropdown-menu a,
        .dropdown-menu span {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 0.75rem 1rem;
            color: var(--current-text-primary);
            text-decoration: none;
            transition: background-color 0.2s ease;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .dropdown-menu a:last-child,
        .dropdown-menu span:last-child {
            border-bottom: none;
        }

        .dropdown-menu a:hover {
            background: rgba(112, 0, 255, 0.1);
        }

        .badge {
            background: rgba(112, 0, 255, 0.3);
            color: #b366ff;
            padding: 0.2rem 0.6rem;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-left: auto;
        }

        .icon {
            width: 18px;
            height: 18px;
        }

        /* Theme Toggle */
        .theme-toggle {
            background: none;
            border: none;
            cursor: pointer;
            padding: 0.5rem;
            border-radius: 8px;
            transition: background-color 0.3s ease;
            color: var(--current-text-primary);
            display: flex;
            align-items: center;
        }

        .theme-toggle:hover {
            background: rgba(112, 0, 255, 0.1);
        }

        /* Main Content */
        main {
            padding-top: 80px;
        }

        /* Hero Section */
        .hero {
            max-width: 1200px;
            margin: 0 auto;
            padding: 4rem 2rem;
            text-align: center;
            animation: fadeIn 0.8s ease;
        }

        .hero h1 {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
            line-height: 1.2;
        }

        .hero p {
            font-size: 1.25rem;
            color: var(--current-text-secondary);
            margin-bottom: 2rem;
        }

        .search-container {
            max-width: 600px;
            margin: 0 auto 1.5rem;
        }

        .search-input {
            width: 100%;
            padding: 1rem 1.5rem;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 12px;
            background: var(--current-bg-secondary);
            color: var(--current-text-primary);
            font-size: 1rem;
            backdrop-filter: blur(12px);
            transition: all 0.3s ease;
        }

        .search-input:focus {
            outline: none;
            border-color: var(--accent-purple);
            box-shadow: 0 0 20px rgba(112, 0, 255, 0.3);
        }

        .search-input::placeholder {
            color: var(--current-text-secondary);
        }

        /* Alphabet Filter */
        .alphabet-filter {
            max-width: 1200px;
            margin: 0 auto 2rem;
            padding: 0 2rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            justify-content: center;
        }

        .letter-btn {
            padding: 0.5rem 0.75rem;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: var(--current-bg-secondary);
            color: var(--current-text-primary);
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.2s ease;
            backdrop-filter: blur(12px);
        }

        .letter-btn:hover {
            border-color: var(--accent-purple);
            color: var(--accent-purple);
        }

        .letter-btn.active {
            background: var(--gradient-main);
            border-color: var(--accent-purple);
            color: white;
        }

        /* Glossary Grid */
        .glossary-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem;
        }

        .glossary-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1.5rem;
        }

        .glossary-card {
            padding: 1.5rem;
            background: var(--current-bg-secondary);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 12px;
            backdrop-filter: blur(12px);
            transition: all 0.3s ease;
            cursor: pointer;
            animation: fadeIn 0.5s ease;
        }

        .glossary-card:hover {
            border-color: var(--accent-purple);
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(112, 0, 255, 0.2);
        }

        .glossary-card h3 {
            font-size: 1.25rem;
            margin-bottom: 0.75rem;
            background: var(--gradient-main);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .glossary-card p {
            color: var(--current-text-secondary);
            line-height: 1.6;
            font-size: 0.95rem;
        }

        .no-results {
            text-align: center;
            padding: 3rem 2rem;
            color: var(--current-text-secondary);
        }

        /* Footer */
        footer {
            margin-top: 4rem;
            background: var(--current-bg-secondary);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            position: relative;
            overflow: hidden;
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 4rem 2rem;
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 3rem;
        }

        .footer-brand h2 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            background: var(--gradient-main);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-weight: 700;
        }

        .footer-brand p {
            color: var(--current-text-secondary);
            line-height: 1.6;
            margin-bottom: 1.5rem;
            max-width: 300px;
        }

        .footer-section h3 {
            color: var(--current-text-primary);
            font-size: 1.1rem;
            margin-bottom: 1.5rem;
            font-weight: 600;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .footer-links a {
            color: var(--current-text-secondary);
            text-decoration: none;
            transition: all 0.2s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            width: fit-content;
        }

        .footer-links a:hover {
            color: var(--accent-purple);
            transform: translateX(4px);
        }

        .footer-bottom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 1.5rem 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--current-text-secondary);
            font-size: 0.9rem;
        }

        .credits a {
            color: var(--current-text-primary);
            text-decoration: none;
            border-bottom: 1px dotted rgba(255, 255, 255, 0.3);
            transition: all 0.2s ease;
        }

        .credits a:hover {
            color: var(--accent-purple);
            border-bottom-color: var(--accent-purple);
        }

        @media (max-width: 768px) {
            .footer-content {
                grid-template-columns: 1fr;
                gap: 2.5rem;
                text-align: center;
            }

            .footer-brand p {
                margin: 0 auto 1.5rem;
            }

            .footer-links {
                align-items: center;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 1rem;
                text-align: center;
            }
        }

        /* Animations */
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(10px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Responsive */
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2rem;
            }

            .nav-links {
                gap: 1rem;
            }

            .glossary-grid {
                grid-template-columns: 1fr;
            }

            .hero p {
                font-size: 1rem;
            }
        }

        /* Light mode specific styles */
        html.light-mode .dropdown-menu {
            background: rgba(255, 255, 255, 0.95);
            border: 1px solid rgba(0, 0, 0, 0.1);
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
        }

        html.light-mode .glossary-card {
            background: rgba(255, 255, 255, 0.95);
            border: 1px solid rgba(0, 0, 0, 0.1);
        }

        html.light-mode .glossary-card:hover {
            border-color: var(--accent-purple);
            box-shadow: 0 20px 40px rgba(112, 0, 255, 0.15);
        }

        /* Promo Grid (Audit + Institute) */
        .promo-grid {
            max-width: 1100px;
            margin: 0 auto 3rem;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
            padding: 0 1rem;
            animation: fadeIn 0.8s ease 0.2s backwards;
        }

        .promo-card {
            padding: 2.5rem;
            background: var(--current-bg-secondary);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 24px;
            backdrop-filter: blur(10px);
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            position: relative;
            overflow: hidden;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .promo-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(112, 0, 255, 0.5), transparent);
            opacity: 0.5;
        }

        .promo-card:hover {
            border-color: var(--accent-purple);
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(112, 0, 255, 0.15);
        }

        .promo-card.audit {
            background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(14, 165, 233, 0.1));
        }

        .promo-card.institute {
            background: linear-gradient(135deg, rgba(14, 165, 233, 0.1), rgba(255, 0, 128, 0.1));
        }

        .promo-content {
            margin-bottom: 2rem;
            width: 100%;
        }

        .promo-content h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            background: var(--gradient-main);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-weight: 700;
            letter-spacing: -0.02em;
        }

        .promo-content p {
            color: var(--current-text-secondary);
            font-size: 1rem;
            line-height: 1.6;
        }

        .promo-btn {
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            gap: 0.75rem;
            padding: 0.875rem 1.75rem;
            background: var(--gradient-main);
            color: white;
            text-decoration: none;
            border-radius: 12px;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 4px 20px rgba(112, 0, 255, 0.3);
        }

        .promo-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(112, 0, 255, 0.4);
        }

        @media (max-width: 768px) {
            .promo-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
                padding: 0;
            }

            .promo-card {
                padding: 2rem;
                text-align: center;
                align-items: center;
            }

            .promo-btn {
                width: 100%;
                justify-content: center;
            }
        }