:root{--bg:#f6f7fb;--card:#fff;--text:#1f2937;--muted:#6b7280;--primary:#111827;--accent:#2563eb;--ok:#166534;--bad:#991b1b;--line:#e5e7eb}
*{box-sizing:border-box}body{margin:0;font-family:Arial,sans-serif;background:var(--bg);color:var(--text)}a{text-decoration:none;color:var(--accent)}.wrap{max-width:1100px;margin:0 auto;padding:24px}.nav{display:flex;justify-content:space-between;align-items:center;padding:16px 0}.brand{font-weight:700;color:var(--primary)}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:0 6px 20px rgba(0,0,0,.04)}.grid{display:grid;gap:18px}.grid-3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.btn{display:inline-block;background:var(--primary);color:#fff;padding:12px 18px;border-radius:12px;border:none;cursor:pointer}.btn.secondary{background:#fff;color:var(--primary);border:1px solid var(--line)}.btn.red{background:#b91c1c}.muted{color:var(--muted)}h1,h2,h3{margin-top:0}.field{margin-bottom:14px}.field label{display:block;font-weight:700;margin-bottom:6px}.field input,.field textarea,.field select{width:100%;padding:12px;border:1px solid #d1d5db;border-radius:12px}.field textarea{min-height:210px;resize:vertical}.flash{padding:12px 14px;border-radius:12px;margin:0 0 14px}.flash.success{background:#dcfce7;color:var(--ok)}.flash.error{background:#fee2e2;color:var(--bad)}.pricing.highlight{border:2px solid var(--accent)}.pill{display:inline-block;padding:6px 10px;border-radius:999px;background:#eef2ff;color:#3730a3;font-size:13px}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.result{white-space:pre-wrap;background:#fafafa;border:1px solid var(--line);padding:16px;border-radius:12px}.actions{display:flex;gap:10px;flex-wrap:wrap}.hero{display:grid;gap:18px;grid-template-columns:1.2fr .8fr;align-items:center}@media(max-width:800px){.hero{grid-template-columns:1fr}}