:root{--bg: #0E171C;--surface: #1A2328;--surface-2: #1A2328;--border: #2A3439;--border-strong: #2A3439;--text: #f5f5f5;--text-dim: #8a8a8a;--accent: #2536eb;--accent-hover: #3a48f0;--accent-soft: rgba(37, 54, 235, .14);--radius: 8px;--shadow-sm: none;--shadow-md: none;--maxw: 1120px;--fs-hero: clamp(40px, 4.8vw, 60px);--fs-title: clamp(28px, 3vw, 40px);--fs-h3: 24px;--fs-step: 18px;--fs-body: 17px;--fs-btn: 16px;--fs-small: 14px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:IBM Plex Sans,Segoe UI,system-ui,sans-serif;font-size:var(--fs-body);line-height:1.5;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:inherit;text-decoration:none}.container{max-width:var(--maxw);margin:0 auto;padding:0 28px}.site-header{background:var(--bg);position:sticky;top:0;z-index:10;border-bottom:0}.site-header 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