:root{--bg:#0a0c10;--bg-soft:#0f131a;--fg:#f5f7fa;--muted:#8a94a6;--muted-2:#5e6878;--accent:#ff4d2e;--accent-soft:rgba(255,77,46,.12);--card:#14181f;--border:#1f242d;--success:#5ddaa4}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:inherit}.container{max-width:1100px;margin:0 auto;padding:0 24px}.section{padding:80px 0}.section.tight{padding:48px 0}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:50;background:rgba(10,12,16,.85);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.site-header .inner{display:flex;align-items:center;justify-content:space-between;height:64px}.brand{font-weight:700;font-size:18px;letter-spacing:-.01em}.brand span{color:var(--accent)}.site-nav{display:flex;gap:28px;align-items:center}.site-nav 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