* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            transition: background-color var(--animation-duration), 
                        color var(--animation-duration),
                        transform 0.3s ease;
        }

        body {
            font-family: var(--font-main);
            background-color: var(--background);
            color: var(--text);
            line-height: 1.6;
            overflow-x: hidden;
            scroll-behavior: smooth;
        }

        a, button, .btn, .theme-toggle, .mobile-toggle, .close-nav {
            cursor: pointer !important; 
        }

        h1, h2, h3, h4 {
            font-family: var(--font-heading);
            margin-bottom: 1rem;
        }

        h2 {
            font-size: 2.5rem;
            text-align: center;
            margin-bottom: 3rem;
            position: relative;
        }

        h2::after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--primary-color);
            border-radius: 2px;
        }

        section {
            padding: var(--section-padding) 0;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--container-padding);
        }

        .btn {
            display: inline-block;
            padding: 12px 30px;
            background: var(--primary-color);
            color: white;
            border: none;
            border-radius: var(--border-radius);
            font-weight: bold;
            cursor: none;
            text-decoration: none;
            transition: all 0.3s ease;
            font-size: 1rem;
            position: relative;
            overflow: hidden;
            z-index: 1;
        }

        .btn:hover {
            background: #3d8b40;
            transform: translateY(-3px);
            box-shadow: var(--glow-effect);
        }

        .btn:active {
            transform: translateY(-1px);
        }

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

        .btn-secondary:hover {
            background: #0b7dda;
            box-shadow: 0 0 15px rgba(33, 150, 243, 0.6);
        }

        .btn-glow {
            box-shadow: none;
        }

        .btn-glow:hover {
            box-shadow: var(--glow-effect);
        }