*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.6;color:#333}.container{max-width:1200px;margin:0 auto;padding:0 20px}.header{background:#fff;box-shadow:0 2px 10px rgba(0,0,0,.1);position:fixed;width:100%;top:0;z-index:1000}.nav{display:flex;justify-content:space-between;align-items:center;padding:1rem 0}.logo{font-size:1.5rem;font-weight:700;color:#2563eb}.hero{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:120px 0 80px;text-align:center}.hero h1{font-size:3rem;margin-bottom:1rem}.hero p{font-size:1.2rem;margin-bottom:2rem;opacity:.9}.cta-button{background:#ff6b6b;color:#fff;padding:12px 30px;border:none;border-radius:5px;font-size:1.1rem;cursor:pointer;transition:background .3s;text-decoration:none;display:inline-block}.cta-button:hover{background:#ff5252}.features{padding:80px 0;background:#f8fafc}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));grid-gap:2rem;gap:2rem;margin-top:3rem}.feature-card{background:#fff;padding:2rem;border-radius:10px;box-shadow:0 4px 6px rgba(0,0,0,.1);text-align:center}.app-section{padding:80px 0;background:#fff}.embed-container{border:1px solid #e2e8f0;border-radius:10px;overflow:hidden;box-shadow:0 10px 25px rgba(0,0,0,.1)}.embed-container iframe{width:100%;height:800px;border:none}.cta-section{background:#1e293b;padding:80px 0}.cta-section,.footer{color:#fff;text-align:center}.footer{background:#0f172a;padding:40px 0}.ad-container{margin:2rem 0;text-align:center;background:#f8fafc;padding:20px;border-radius:8px}@media (max-width:768px){.hero h1{font-size:2rem}.embed-container iframe{height:600px}.feature-grid{grid-template-columns:1fr}.nav{flex-direction:column;gap:1rem}}