:root{--bg:#f3f5f8;--card:#fff;--text:#1d2733;--muted:#5b6775;--border:#d6dde6;--accent:#173a63;--accent-2:#0d5ea6;--success:#e9f8ee;--success-border:#7bc38e;--error:#fff1f0;--error-border:#db7b76;--shadow:0 10px 25px rgba(16,24,40,.06)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);background:linear-gradient(180deg,#eef2f6 0%,#f7f9fb 100%);line-height:1.6}.page-shell{max-width:1120px;margin:0 auto;padding:32px 20px 60px}.card{background:var(--card);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow);padding:28px;margin-bottom:24px}.letterhead{display:flex;justify-content:space-between;gap:24px;align-items:flex-start}.letterhead h1,.hero h2,.card h3,.card h4{margin-top:0;color:var(--accent)}.contact-block{min-width:220px;text-align:right}.date-line{color:var(--muted);font-weight:bold}.grid{display:grid;gap:18px}.two-col{grid-template-columns:repeat(2,minmax(0,1fr))}.field{display:flex;flex-direction:column;gap:8px}label{font-weight:700}label span{color:#b42318}input,textarea{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:12px;font:inherit;color:var(--text);background:#fff}input:focus,textarea:focus{outline:3px solid rgba(13,94,166,.14);border-color:var(--accent-2)}.option-box{border:1px solid var(--border);border-radius:16px;padding:18px;margin:22px 0}.option-box legend{padding:0 8px;font-weight:700;color:var(--accent)}.checkbox-row{display:flex;gap:12px;align-items:flex-start;font-weight:400}.checkbox-row input{width:18px;height:18px;margin-top:4px}.initials-field{max-width:260px;margin-top:16px}button{appearance:none;border:none;background:var(--accent);color:#fff;padding:14px 20px;border-radius:12px;font:inherit;font-weight:700;cursor:pointer;transition:transform .15s ease , background .15s ease}button:hover{background:var(--accent-2);transform:translateY(-1px)}.notice{padding:14px 16px;border-radius:12px;margin-bottom:16px;font-weight:700}.notice.success{background:var(--success);border:1px solid var(--success-border)}.notice.error{background:var(--error);border:1px solid var(--error-border)}.document-copy p,.document-copy li,.exhibit p,.exhibit li{margin-top:0}.signature-block,.signature-lines{margin-top:24px}.signature-lines{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.rates-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.muted{color:var(--muted)}ul{padding-left:20px}@media (max-width:800px){.letterhead,.two-col,.signature-lines,.rates-grid{grid-template-columns:1fr;display:grid}.letterhead{gap:12px}.contact-block{text-align:left;min-width:0}}@media print{body{background:#fff}.page-shell{max-width:none;padding:0}.card{box-shadow:none;border-radius:0;border:1px solid #bbb;margin-bottom:12px}button{display:none}}