:root{--ink:#122033;--muted:#637083;--blue:#155eef;--line:#dce3ed;--wash:#f4f7fc}*{box-sizing:border-box}body{margin:0;background:var(--wash);font:16px Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink)}header,main,footer{max-width:1060px;margin:auto;padding-left:24px;padding-right:24px}header{padding-top:34px;display:flex;align-items:baseline;gap:18px}.brand{font-size:28px;font-weight:800;letter-spacing:-1.5px;color:var(--ink);text-decoration:none}.brand span{color:var(--blue)}header p{margin:0;color:var(--muted);font-size:14px}.intro{padding:76px 0 52px}h1{font-size:clamp(32px,5vw,52px);letter-spacing:-2.5px;margin:0 0 28px;max-width:600px}.search{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:14px;max-width:620px;padding:0 17px;box-shadow:0 10px 30px #1d355714}.search span{font-size:28px;line-height:1;color:var(--muted)}input,select,button{font:inherit}input{width:100%;border:0;outline:0;padding:18px 0;background:transparent}h2{font-size:18px;margin:0 0 16px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.grid a,.card{background:white;border:1px solid var(--line);border-radius:16px;padding:22px;text-decoration:none;color:inherit;transition:.15s}.grid a:hover{border-color:#9db9ff;transform:translateY(-2px);box-shadow:0 10px 22px #1d355714}.grid b{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:#e9f0ff;color:var(--blue);font-size:20px}.grid h3{margin:18px 0 7px;font-size:17px}.grid p,.hint{margin:0;color:var(--muted);font-size:14px;line-height:1.45}footer{padding-top:70px;padding-bottom:28px;color:var(--muted);font-size:13px}.tool{max-width:700px;padding-top:64px}.back{color:var(--blue);text-decoration:none;font-size:14px}.tool h1{margin-top:20px;margin-bottom:9px;font-size:40px}.card{margin-top:28px;padding:26px}.row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:16px 0}.field label{font-size:13px;color:var(--muted);display:block;margin-bottom:7px}.field input,.field select{border:1px solid var(--line);border-radius:10px;padding:12px;width:100%;background:white}button{border:0;border-radius:10px;background:var(--blue);color:white;font-weight:700;padding:13px 18px;cursor:pointer}.result{margin-top:20px;padding:18px;border-radius:11px;background:#edf3ff;color:#0e3a97;font-size:19px;font-weight:700}.result:empty{display:none}@media(max-width:650px){header{display:block}header p{margin-top:7px}.intro{padding:54px 0 38px}.grid{grid-template-columns:1fr}.row{grid-template-columns:1fr}.tool{padding-top:38px}.tool h1{font-size:34px}}
