:root{--ink: #172033;--muted: #65718a;--line: #dce5ef;--paper: #ffffff;--soft: #f4f7ff;--brand: #1257dc;--brand-dark: #001c57;--accent: #426ff5;--success: #26a269;--shadow: 0 20px 45px rgba(0, 28, 87, .13)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.6}a{color:inherit;text-decoration:none}.container{width:min(1120px,calc(100% - 40px));margin:0 auto}.narrow{max-width:780px}.site-header{position:sticky;top:0;z-index:20;background:#fffffff0;border-bottom:1px solid rgba(220,229,239,.85);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:inline-flex;align-items:center;max-width:300px}.brand img{display:block;width:min(260px,44vw);height:auto}.nav-links{display:flex;align-items:center;gap:8px}.nav-links a{padding:10px 14px;border-radius:8px;color:var(--muted);font-weight:700;font-size:.94rem}.nav-links a:hover,.nav-links a.active{color:var(--brand-dark);background:#edf3ff}.menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:8px;background:#fff;padding:10px}.menu-toggle span{display:block;height:2px;margin:5px 0;background:var(--brand-dark)}.hero{min-height:calc(100vh - 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