*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg-primary);color:var(--text-primary);font-family:Segoe UI,system-ui,-apple-system,sans-serif;line-height:1.6;transition:background-color .3s,color .3s}#app,body{min-height:100vh}.container{max-width:1200px;margin:0 auto;padding:0 20px}.btn{cursor:pointer;border:none;border-radius:30px;padding:12px 28px;font-size:16px;font-weight:600;text-decoration:none;transition:all .3s;display:inline-block}.btn-main{background:var(--accent-primary);color:var(--bg-primary)}.btn-main:hover{background:var(--accent-hover);transform:scale(1.02)}.btn-outline{border:1px solid var(--border-color);color:var(--text-primary);background:0 0}.btn-outline:hover{border-color:var(--accent-primary);color:var(--accent-primary)}.btn-primary{border:1px solid var(--accent-primary);color:var(--accent-primary);background:0 0}.btn-primary:hover{background:var(--accent-primary);color:var(--bg-primary)}section{opacity:1;transform:translateY(0)}:root{--bg-primary:#030712;--bg-secondary:#0f1320;--bg-elevated:#111827;--border-color:#1f2937;--text-primary:#f9fafb;--text-secondary:#9ca3af;--text-muted:#6b7280;--accent-primary:#6366f1;--accent-hover:#4f46e5;--accent-glow:#6366f126;--success:#22c55e;--warning:#f59e0b;--error:#ef4444}[data-theme=light]{--bg-primary:#e5e7eb;--bg-secondary:#f3f4f6;--bg-elevated:#fff;--border-color:#d1d5db;--text-primary:#111827;--text-secondary:#4b5563;--text-muted:#6b7280;--accent-primary:#6366f1;--accent-hover:#4f46e5;--accent-glow:#6366f133;--success:#22c55e;--warning:#f59e0b;--error:#ef4444}