/* Late-filing estimator: one working column inside the site frame. */
.lf{max-width:900px;margin:32px auto 56px;padding:0 clamp(20px,4vw,40px);box-sizing:border-box;color:#1f1f1f;font-size:16px;line-height:1.6}
.lf h1{font-size:clamp(28px,3.4vw,36px);font-weight:700;margin:0 0 10px}
.lf .lead{color:#444746;margin:0 0 20px;max-width:720px}
.lf fieldset{border:1px solid #c4c7c5;border-radius:12px;padding:18px 20px;margin:0 0 18px;background:#fff}
.lf legend{font-weight:700;padding:0 6px}
.lf .row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.lf label{display:flex;flex-direction:column;gap:6px;font-size:14px;color:#444746}
.lf input,.lf select{font:inherit;font-size:15px;padding:9px 10px;border:1px solid #8e918f;border-radius:8px;background:#fff;color:#1f1f1f;box-sizing:border-box;width:100%}
.lf button{font:inherit;font-size:15px;padding:9px 16px;border-radius:8px;border:1px solid #0b57d0;background:#0b57d0;color:#fff;cursor:pointer}
.lf .result{margin:0 0 18px;padding:18px 20px;border-radius:12px;background:#fff;border:1px solid #c4c7c5}
.lf .result dt{font-size:14px;color:#444746}
.lf .result dd{margin:0 0 12px;font-size:20px;font-weight:700}
.lf .actions{margin:0 0 18px;padding:16px 18px;border-radius:12px;background:#fff8e1;border:1px solid #e0c46a}
.lf .actions li{margin:0 0 6px}
.lf .lead-box{margin:0 0 18px;padding:16px 18px;border-radius:12px;background:#eef3fc;border:1px solid #c4c7c5;font-size:15px}
.lf .note{font-size:14px;color:#444746}
@media (max-width:760px){.lf .row{grid-template-columns:1fr}}