* { margin: 0; padding: 0; box-sizing: border-box; }
        :root {
            --primary: #8A2BE2; 
            --secondary: #FF00FF; 
            --dark: #0a0a12;
            --light: #f8f9fa;
            --gray: #6c757d;
            --success: #00ff88;
            --warning: #ffcc00;
            --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            --font-heading: 'Arial Black', 'Arial Bold', sans-serif;
            --shadow: 0 4px 12px rgba(138, 43, 226, 0.15);
            --border-radius: 12px;
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-main);
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #0a0a12 0%, #1a1a2e 100%);
            color: var(--light);
            overflow-x: hidden;
        }
        a { color: var(--secondary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--success); text-shadow: 0 0 8px rgba(0, 255, 136, 0.5); }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        h1, h2, h3, h4 { font-family: var(--font-heading); margin-bottom: 1rem; line-height: 1.2; }
        h1 { font-size: clamp(2.5rem, 5vw, 4rem); color: var(--success); text-shadow: 0 0 10px rgba(0, 255, 136, 0.7); }
        h2 { font-size: clamp(2rem, 4vw, 2.8rem); color: var(--primary); border-bottom: 3px solid var(--secondary); padding-bottom: 0.5rem; }
        h3 { font-size: 1.8rem; color: #ffcc00; }
        h4 { font-size: 1.4rem; color: #8A2BE2; }
        p { margin-bottom: 1.5rem; font-size: 1.1rem; }
        .lead { font-size: 1.3rem; color: #ccc; font-weight: 300; }
        .highlight { background: linear-gradient(90deg, transparent, rgba(255, 0, 255, 0.1), transparent); padding: 0.2rem 0.5rem; border-left: 4px solid var(--secondary); }
        header { background: rgba(10, 10, 18, 0.95); backdrop-filter: blur(10px); position: sticky; top: 0; z-index: 1000; box-shadow: var(--shadow); }
        .header-container { display: flex; justify-content: space-between; align-items: center; padding: 1rem 20px; }
        .my-logo { font-family: var(--font-heading); font-size: 1.8rem; color: var(--success); text-decoration: none; display: flex; align-items: center; gap: 10px; }
        .my-logo:hover { color: var(--secondary); }
        .my-logo::before { content: '🎵'; }
        nav ul { display: flex; list-style: none; gap: 2rem; }
        nav a { color: var(--light); font-weight: 600; padding: 0.5rem 1rem; border-radius: var(--border-radius); }
        nav a:hover { background: var(--primary); color: white; }
        .hamburger { display: none; font-size: 1.8rem; background: none; border: none; color: var(--light); cursor: pointer; }
        .breadcrumb { padding: 1rem 20px; background: rgba(255, 255, 255, 0.05); font-size: 0.9rem; }
        .breadcrumb a { color: #aaa; }
        .breadcrumb a:hover { color: var(--secondary); }
        .breadcrumb span { color: var(--gray); }
        main { padding: 2rem 0; }
        article { background: rgba(255, 255, 255, 0.03); border-radius: var(--border-radius); padding: 2.5rem; margin-bottom: 2rem; box-shadow: var(--shadow); }
        section { margin-bottom: 3rem; }
        .img-container { margin: 2rem auto; text-align: center; }
        .img-container img { border-radius: var(--border-radius); border: 3px solid var(--primary); box-shadow: 0 8px 25px rgba(0,0,0,0.5); }
        .img-caption { font-style: italic; color: #aaa; margin-top: 0.5rem; }
        .feature-box {
            background: linear-gradient(145deg, rgba(138, 43, 226, 0.1), rgba(255, 0, 255, 0.05));
            border: 1px solid rgba(255, 0, 255, 0.2);
            border-radius: var(--border-radius);
            padding: 1.5rem;
            margin: 2rem 0;
        }
        .feature-box h4 { margin-top: 0; }
        .interactive-module {
            background: rgba(0, 0, 0, 0.3);
            border-radius: var(--border-radius);
            padding: 2rem;
            margin: 3rem 0;
            border: 1px solid var(--primary);
        }
        .interactive-module h3 { text-align: center; }
        .form-group { margin-bottom: 1.5rem; }
        label { display: block; margin-bottom: 0.5rem; font-weight: 600; }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem 1rem;
            border-radius: 8px;
            border: 1px solid #444;
            background: rgba(255, 255, 255, 0.1);
            color: var(--light);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(138, 43, 226, 0.3); }
        button, .button {
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            color: white;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 50px;
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
            display: inline-block;
            text-align: center;
        }
        button:hover, .button:hover {
            background: linear-gradient(90deg, var(--secondary), var(--primary));
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(255, 0, 255, 0.4);
        }
        .rating { display: flex; gap: 0.5rem; justify-content: center; margin: 1rem 0; }
        .star { font-size: 2rem; color: #444; cursor: pointer; transition: var(--transition); }
        .star:hover, .star.active { color: #ffcc00; text-shadow: 0 0 10px gold; }
        footer { background: rgba(0, 0, 0, 0.8); padding: 3rem 0 1.5rem; margin-top: 3rem; }
        .footer-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; }
        .footer-section h4 { color: var(--success); margin-bottom: 1.5rem; }
        .footer-links { list-style: none; }
        .footer-links li { margin-bottom: 0.8rem; }
        friend-link { display: block; margin: 1rem 0; padding: 0.8rem; background: rgba(255,255,255,0.05); border-radius: 8px; }
        .copyright { text-align: center; padding-top: 2rem; margin-top: 2rem; border-top: 1px solid #444; color: #aaa; font-size: 0.9rem; }
        @media (max-width: 768px) {
            .header-container { flex-wrap: wrap; }
            nav ul { 
                display: none; 
                flex-direction: column; 
                width: 100%; 
                background: var(--dark); 
                position: absolute; 
                top: 100%; 
                left: 0; 
                padding: 1rem; 
                box-shadow: var(--shadow);
            }
            nav ul.active { display: flex; }
            .hamburger { display: block; }
            article { padding: 1.5rem; }
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
        }
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(138, 43, 226, 0.7); }
            70% { box-shadow: 0 0 0 15px rgba(138, 43, 226, 0); }
            100% { box-shadow: 0 0 0 0 rgba(138, 43, 226, 0); }
        }
        .pulse { animation: pulse 2s infinite; border-radius: 50%; }
        .fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.6s, transform 0.6s; }
        .fade-in.visible { opacity: 1; transform: translateY(0); }