:root{--bg:#f7f8fa;--surface:#fff;--text:#172033;--muted:#667085;--border:#e4e7ec;--primary:#2457d6;--primary-dark:#1d46ae;--success:#087443;--danger:#b42318;--shadow:0 12px 35px rgba(16,24,40,.08);--radius:18px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background:var(--bg);line-height:1.6}a{color:inherit}.container{width:min(1080px,calc(100% - 32px));margin:auto}.site-header{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.nav{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font-weight:800;font-size:20px;text-decoration:none}.nav nav{display:flex;gap:20px;font-size:14px;color:var(--muted)}.nav nav a{text-decoration:none}.hero{padding:72px 0 38px;max-width:900px}.eyebrow{margin:0 0 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