.tools-shell { max-width: 1040px; }
.tool-note { border-left: 4px solid var(--teal); border-radius: var(--r-md); background: var(--teal-subtle); padding: 18px 20px; }
.tool-note p:last-child { margin-bottom: 0; }
.tool-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.tool-card { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--surface); box-shadow: var(--shadow-card); padding: 24px; }
.tool-card h2, .tool-card h3 { margin-top: 0; }
.tool-card p { flex: 1; }
.tool-card .btn { align-self: flex-start; }
.tool-step { color: var(--teal-strong); font-size: 13px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.calculator { margin: 20px 0 32px; padding: 26px; border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--surface); box-shadow: var(--shadow-card); }
.calculator h2, .calculator h3 { margin-top: 0; }
.calculator-intro { margin-bottom: 22px; }
.calculator fieldset { border: 0; padding: 0; margin: 0 0 24px; }
.calculator legend { width: 100%; border-bottom: 1px solid var(--line); color: var(--navy); font-weight: 800; padding-bottom: 8px; margin-bottom: 16px; }
.calc-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.calc-field label { display: block; color: var(--fg1); font-size: 15px; font-weight: 700; line-height: 1.35; margin-bottom: 6px; }
.calc-field input, .calc-field select, .calc-field textarea { width: 100%; min-height: 46px; border: 1px solid var(--border); border-radius: var(--r-md); background: var(--surface); color: var(--fg1); font: inherit; padding: 9px 11px; }
.calc-field textarea { min-height: 150px; resize: vertical; line-height: 1.5; }
.calc-field input:focus, .calc-field select:focus, .calc-field textarea:focus { border-color: var(--teal-strong); outline: 3px solid rgba(47, 169, 154, .18); outline-offset: 1px; }
.calc-help { color: var(--fg2); display: block; font-size: 13px; line-height: 1.45; margin-top: 5px; }
.calc-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 4px 0 24px; }
.calc-actions .btn { font-size: 15px; min-height: 46px; }
.calc-results { border-radius: var(--r-lg); background: var(--navy); color: #fff; padding: 22px; }
.calc-results h3 { color: #fff; margin: 0 0 16px; }
.calc-results dl { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px 18px; margin: 0; }
.calc-results dt { color: rgba(255,255,255,.72); font-size: 14px; }
.calc-results dd { color: #fff; font-variant-numeric: tabular-nums; font-weight: 800; text-align: right; }
.calc-results .primary-result { border-top: 1px solid rgba(255,255,255,.22); margin-top: 4px; padding-top: 14px; }
.calc-results dd.primary-result { color: var(--teal); font-size: 22px; }
.calc-summary { color: rgba(255,255,255,.82); font-size: 14px; margin: 16px 0 0; }
.calc-status { color: var(--fg2); font-size: 14px; margin-top: 12px; min-height: 1.5em; }
.non-js-note { border-left: 4px solid var(--teal); background: var(--teal-subtle); padding: 14px; }
.formula-box { border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--bg-wash); padding: 22px; }
.formula-box p { margin: 0 0 8px; }
.formula-box p:last-child { margin-bottom: 0; }
.formula { color: var(--navy); font-size: clamp(17px, 3vw, 21px); font-weight: 800; line-height: 1.35; }
.comparison-wrap { overflow-x: auto; margin-top: 18px; }
.comparison-table { width: 100%; min-width: 760px; border-collapse: collapse; }
.comparison-table th, .comparison-table td { border-bottom: 1px solid rgba(255,255,255,.18); padding: 12px 10px; text-align: left; vertical-align: top; }
.comparison-table th { color: rgba(255,255,255,.7); font-size: 13px; }
.comparison-table td { color: #fff; font-size: 14px; }
.comparison-table td:nth-child(3) { font-size: 18px; font-weight: 800; white-space: nowrap; }
.comparison-table tr[data-product="Cleanr"] td { color: var(--teal); }
.comparison-table small { color: rgba(255,255,255,.7); display: block; line-height: 1.35; margin-top: 4px; }
.message-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 22px; }
.message-card { border: 1px solid rgba(255,255,255,.2); border-radius: var(--r-md); padding: 16px; }
.message-card h4 { color: #fff; margin: 0 0 10px; }
.message-card p { color: rgba(255,255,255,.86); white-space: pre-line; }
.message-card .btn { min-height: 40px; }
.source-list li { margin-bottom: 12px; }
.planning-band { display: inline-block; border-radius: 999px; background: var(--teal); color: var(--navy); font-weight: 800; padding: 5px 10px; }
@media (max-width: 720px) {
  .tool-grid, .calc-fields, .message-grid { grid-template-columns: 1fr; }
  .calculator { padding: 20px 16px; }
}