:root{--bg: #ffffff;--surface: #f5f5f5;--surface-2: #e8e8e8;--border: #e0e0e0;--text: #1a1a1a;--text-secondary: #666;--accent: #7c3aed;--accent-hover: #6d28d9}html.dark{--bg: #0a0a0a;--surface: #141414;--surface-2: #1e1e1e;--border: #2a2a2a;--text: #e8e8e8;--text-secondary: #888;--accent: #7c3aed;--accent-hover: #6d28d9}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;transition:background .3s ease,color .3s ease}.checkerboard{background:repeating-conic-gradient(var(--surface) 0% 25%,var(--bg) 0% 50%) 50% / 16px 16px}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--surface)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.float-animation{animation:float 3s ease-in-out infinite}.aurora-container{position:absolute;top:0;right:0;bottom:0;left:0;z-index:0;overflow:hidden;opacity:.4}html.dark .aurora-container{opacity:.6}@media (max-width: 640px){.steps-grid,.comparison-grid{grid-template-columns:1fr!important}.hero-title{font-size:1.8rem!important}}