*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f5f5f5;min-height:100vh}#root{min-height:100vh;display:flex;flex-direction:column}.app{display:flex;flex-direction:column;min-height:100vh}.app-header{background:#3d4a5c;color:#fff;box-shadow:0 2px 10px #0000001a;position:sticky;top:0;z-index:100}.header-top{display:flex;align-items:center;justify-content:space-between;padding:1rem 2rem;max-width:1400px;margin:0 auto;width:100%}.header-logo{display:flex;align-items:center;gap:.75rem;color:#fff;text-decoration:none}.header-logo svg{width:32px;height:32px}.header-logo h1{font-size:1.5rem;font-weight:600;margin:0}.header-nav{display:flex;gap:.5rem;flex:1;justify-content:center}.header-nav button{background:transparent;border:none;color:#fff;padding:.75rem 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480px){.header-actions{display:none}.hero-section{padding:2rem 1rem}.hero-section h2,.features-section h3{font-size:1.5rem}}