*{box-sizing:border-box;margin:0;padding:0}body{color:#333;font-family:Helvetica Neue,Arial,Hiragino Kaku Gothic ProN,sans-serif;line-height:1.8}header{color:#fff;background:#1a1a2e;justify-content:space-between;align-items:center;padding:16px 24px;display:flex}header .logo{font-size:1.4rem;font-weight:700}header nav a{color:#fff;margin-left:24px;font-size:.95rem;text-decoration:none}header nav a:hover{opacity:.7}.hero{color:#fff;text-align:center;background:linear-gradient(135deg,#1a1a2e,#16213e,#0f3460);padding:100px 24px}.hero h1{margin-bottom:16px;font-size:2.5rem}.hero p{opacity:.9;margin-bottom:32px;font-size:1.1rem}.hero .btn{color:#fff;background:#e94560;border-radius:30px;padding:14px 40px;font-size:1rem;font-weight:700;text-decoration:none;transition:background .3s;display:inline-block}.hero .btn:hover{background:#c73650}.features{text-align:center;max-width:960px;margin:0 auto;padding:80px 24px}.features h2{margin-bottom:48px;font-size:1.8rem}.features-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:40px;display:grid}.feature-card{padding:24px}.feature-card .icon{margin-bottom:16px;font-size:2.5rem}.feature-card h3{margin-bottom:12px;font-size:1.2rem}.feature-card p{color:#666;font-size:.95rem}.about{text-align:center;background:#f5f5f5;padding:80px 24px}.about h2{margin-bottom:24px;font-size:1.8rem}.about p{color:#555;max-width:640px;margin:0 auto}.contact{text-align:center;max-width:560px;margin:0 auto;padding:80px 24px}.contact h2{margin-bottom:32px;font-size:1.8rem}.contact form{text-align:left;flex-direction:column;gap:16px;display:flex}.contact label{font-size:.9rem;font-weight:700}.contact input,.contact textarea{border:1px solid #ccc;border-radius:6px;width:100%;padding:12px;font-size:1rem}.contact textarea{resize:vertical;height:120px}.contact button{color:#fff;cursor:pointer;background:#1a1a2e;border:none;border-radius:30px;padding:14px;font-size:1rem;font-weight:700;transition:background .3s}.contact button:hover{background:#0f3460}footer{color:#aaa;text-align:center;background:#1a1a2e;padding:24px;font-size:.85rem}