*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.6;color:#333;background:#f5f5f5}#app{min-height:100vh;display:flex;flex-direction:column}header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;text-align:center;padding:60px 20px}header h1{font-size:3rem;margin-bottom:10px}main{flex:1;max-width:1200px;margin:0 auto;padding:40px 20px;width:100%}.hero{text-align:center;font-size:1.2rem;margin-bottom:60px;color:#555}.screenshots h2{text-align:center;font-size:2rem;margin-bottom:30px}.screenshot-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}.screenshot-grid img{width:100%;border-radius:10px;box-shadow:0 4px 6px #0000001a;transition:transform .3s}.screenshot-grid img:hover{transform:scale(1.05)}footer{background:#2c3e50;color:#fff;text-align:center;padding:30px 20px}footer a{color:#3498db;text-decoration:none;margin-bottom:10px;display:inline-block}footer a:hover{text-decoration:underline}