*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;line-height:1.6;color:#333}html{scroll-behavior:smooth}.container{max-width:1200px;margin:0 auto;padding:0 20px}.navbar{position:fixed;top:0;width:100%;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);z-index:1000;transition:all .3s ease}.nav-container{display:flex;justify-content:space-between;align-items:center;padding:1rem 20px}.nav-logo{font-size:1.5rem;font-weight:bold;color:#ff6b6b}.nav-menu{display:flex;list-style:none;gap:2rem}.nav-menu a{text-decoration:none;color:#333;font-weight:500;transition:color .3s ease}.nav-menu a:hover{color:#ff6b6b}.hero{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:white;padding:120px 0 80px;text-align:center}.hero h1{font-size:3rem;margin-bottom:1rem;animation:fadeInUp 1s ease}.hero-desc{font-size:1.2rem;margin-bottom:2rem;opacity:.9}.download-buttons{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.btn{display:inline-block;padding:12px 30px;text-decoration:none;border-radius:50px;font-weight:600;transition:all .3s ease;cursor:pointer;border:none}.btn-primary{background:#ff6b6b;color:white}.btn-primary:hover{background:#ff5252;transform:translateY(-2px)}.btn-secondary{background:transparent;color:white;border:2px solid white}.btn-secondary:hover{background:white;color:#667eea}.features{padding:80px 0;background:#f8f9fa}.features h2{text-align:center;font-size:2.5rem;margin-bottom:3rem;color:#333}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem}.feature-card{background:white;padding:2rem;border-radius:15px;text-align:center;box-shadow:0 5px 15px rgba(0,0,0,.1);transition:transform .3s ease}.feature-card:hover{transform:translateY(-5px)}.feature-icon{font-size:3rem;margin-bottom:1rem}.feature-card h3{margin-bottom:1rem;color:#333}.download{padding:80px 0;background:linear-gradient(45deg,#ff6b6b,#ffa726)}.download h2{text-align:center;font-size:2.5rem;margin-bottom:1rem;color:white}.download p{text-align:center;color:white;opacity:.9;margin-bottom:3rem}.download-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}.download-card{background:white;padding:2rem;border-radius:15px;text-align:center;box-shadow:0 10px 30px rgba(0,0,0,.2)}.download-card h3{margin-bottom:1rem;color:#333}.download-card p{color:#666;margin-bottom:.5rem}.btn-download{background:#4CAF50;color:white;margin-top:1rem}.btn-download:hover{background:#45a049}.about{padding:80px 0}.about h2{text-align:center;font-size:2.5rem;margin-bottom:2rem}.about p{text-align:center;font-size:1.1rem;max-width:800px;margin:0 auto;color:#666}.footer{background:#333;color:white;text-align:center;padding:2rem 0}@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@media(max-width:768px){.hero h1{font-size:2rem}.nav-menu{display:none}.download-buttons{flex-direction:column;align-items:center}.features-grid{grid-template-columns:1fr}}