:root{--primary:#1e3a8a;--secondary:#2563eb;--bg:#f8fafc;--surface:#ffffff;--text:#0f172a;--muted:#64748b;--line:#dbe3ef;--success:#16a34a;--warning:#f59e0b;--error:#dc2626;--radius:8px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);line-height:1.5}button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:inherit}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px clamp(18px,4vw,56px);background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;text-decoration:none;white-space:nowrap}.brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:var(--radius);background:var(--primary);color:white}.nav{display:flex;align-items:center;gap:10px}.nav a{color:var(--muted);font-weight:650;text-decoration:none;padding:8px 6px}.header-actions{display:flex;align-items:center;gap:8px}.menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--radius);background:white}.ghost-button,.primary-button,.secondary-button{min-height:42px;border-radius:var(--radius);border:1px solid transparent;padding:10px 16px;font-weight:750;transition:transform .15s ease,box-shadow .15s ease,background-color .15s ease}.primary-button{background:var(--primary);color:white}.primary-button:hover{background:var(--secondary);box-shadow:0 8px 20px rgba(37,99,235,.35);transform:translateY(-1px)}.secondary-button{background:#eaf1ff;color:var(--primary);border-color:#bfd3ff}.secondary-button:hover{background:#dbe9ff;box-shadow:0 8px 20px rgba(30,58,138,.15);transform:translateY(-1px)}.ghost-button{background:white;color:var(--primary);border-color:var(--line)}.ghost-button:hover{background:#f1f5f9;box-shadow:0 6px 16px rgba(15,23,42,.1);transform:translateY(-1px)}.large{min-height:50px;padding-inline:22px}.text-link{font-weight:800;color:var(--primary);text-decoration:none}.hero{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);grid-gap:32px;gap:32px;align-items:center;min-height:calc(100vh - 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