:root{--foreground:#000;--background:#fff;--background-secondary:#f5f5f7;--accent:#007aff;--text-secondary:#86868b;--border:#e5e5ea;--font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";--spacing-xs:4px;--spacing-sm:8px;--spacing-md:16px;--spacing-lg:24px;--spacing-xl:32px;--spacing-2xl:48px;--spacing-3xl:64px;--spacing-section:120px;--radius-sm:8px;--radius-md:12px;--radius-lg:20px;--radius-full:9999px;--shadow-sm:0 1px 2px #0000000d;--shadow-md:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d;--shadow-xl:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a}@media (prefers-color-scheme:dark){:root{--foreground:#fff;--background:#000;--background-secondary:#1c1c1e;--accent:#0a84ff;--text-secondary:#86868b;--border:#38383a}}*{box-sizing:border-box;margin:0;padding:0}html,body{max-width:100vw;font-family:var(--font-sans);background-color:var(--background);color:var(--foreground);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.5;overflow-x:hidden}a{color:inherit;text-decoration:none}button{cursor:pointer;background:0 0;border:none;font-family:inherit}.container{width:100%;max-width:1200px;padding:0 var(--spacing-lg);margin:0 auto}.section{padding:var(--spacing-section)0}.title-lg{letter-spacing:-.02em;font-size:3.5rem;font-weight:700;line-height:1.1}.title-md{letter-spacing:-.02em;font-size:2.5rem;font-weight:700}.title-sm{letter-spacing:-.01em;font-size:1.5rem;font-weight:600}.text-body{color:var(--text-secondary);font-size:1.125rem;line-height:1.6}.btn{border-radius:var(--radius-full);justify-content:center;align-items:center;padding:12px 24px;font-size:1rem;font-weight:600;transition:transform .2s,opacity .2s;display:inline-flex}.btn-primary{background-color:var(--foreground);color:var(--background)}.btn-secondary{background-color:var(--background-secondary);color:var(--foreground)}.btn:hover{opacity:.9;transform:scale(1.02)}.btn:active{transform:scale(.98)}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:.8s ease-out forwards fadeIn}@media (max-width:768px){:root{--spacing-section:80px}.title-lg{font-size:2.5rem}.title-md{font-size:2rem}}.step-card{align-items:center;gap:var(--spacing-xl);display:flex}.step-card:nth-child(2n){flex-direction:row-reverse}@media (max-width:768px){.step-card,.step-card:nth-child(2n){text-align:center;flex-direction:column}.step-card>div{width:100%}}