.cost-hero {
  padding: 54px 0 62px;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.breadcrumb {
  display: flex;
  gap: 9px;
  margin-bottom: 34px;
  color: var(--muted);
  font-size: 13px;
}

.breadcrumb a { color: var(--green-dark); }

.cost-layout {
  display: grid;
  grid-template-columns: minmax(0, .86fr) minmax(470px, 1.14fr);
  gap: 52px;
  align-items: center;
}

.cost-copy h1 { max-width: 560px; }

.quick-answer {
  margin: 24px 0 0;
  padding: 16px 18px;
  border-left: 3px solid var(--green);
  background: var(--green-pale);
  color: var(--green-dark);
  font-weight: 760;
  line-height: 1.5;
}

.cost-tool {
  min-width: 0;
  border: 1px solid #cfd9d1;
  border-radius: var(--radius);
  padding: 24px;
  background: #fff;
  box-shadow: 0 14px 34px rgba(23, 33, 27, .08);
}

.tool-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 20px;
}

.tool-heading h2 {
  margin: 0;
  font-size: 24px;
}

.example-label {
  flex: 0 0 auto;
  border-radius: 999px;
  padding: 6px 9px;
  background: var(--blue-pale);
  color: var(--blue-ink);
  font-size: 11px;
  font-weight: 800;
}

.cost-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.field-hint {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.4;
}

.cost-error {
  margin: 14px 0 0;
  color: #a2382f;
  font-size: 13px;
}

.cost-result {
  margin-top: 20px;
  border-radius: var(--radius);
  padding: 18px;
  background: #17211b;
  color: #fff;
}

.cost-primary {
  margin-top: 4px;
  font-size: 34px;
  font-weight: 840;
  line-height: 1.05;
}

.cost-result-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 16px;
  padding-top: 15px;
  border-top: 1px solid rgba(255, 255, 255, .14);
}

.cost-result-grid strong {
  display: block;
  margin-top: 3px;
  font-size: 17px;
}

.cost-note {
  margin: 15px 0 0;
  color: #aebdb3;
  font-size: 12px;
  line-height: 1.5;
}

.comparison-panel {
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  background: var(--soft);
}

.comparison-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.comparison-heading h3 { margin: 0; }

.comparison-toggle {
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 12px;
  background: #fff;
  color: var(--ink);
  font-size: 12px;
  font-weight: 760;
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.comparison-result {
  margin: 14px 0 0;
  padding-top: 13px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.comparison-result strong { color: var(--green-dark); }

.quote-brief-panel {
  margin-top: 18px;
  border: 1px solid #cbded0;
  border-radius: var(--radius);
  padding: 18px;
  background: var(--green-pale);
}

.quote-brief-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.quote-brief-heading h3 { margin: 0; }

.quote-brief-copy {
  margin: 6px 0 14px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.quote-brief {
  width: 100%;
  min-height: 130px;
  resize: vertical;
  border: 1px solid #b9cdbd;
  border-radius: 6px;
  padding: 12px;
  background: #fff;
  color: var(--ink);
  font-size: 13px;
  line-height: 1.5;
}

.quote-copy-button {
  min-height: 38px;
  border: 1px solid var(--green);
  border-radius: 6px;
  padding: 0 12px;
  background: var(--green);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
}

.quote-copy-button:hover { background: var(--green-dark); }

.quote-copy-status {
  min-height: 18px;
  margin: 8px 0 0;
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 700;
}

.formula-grid,
.related-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.formula-card {
  border-top: 3px solid var(--green);
  padding-top: 18px;
}

.formula-card p,
.price-factors p,
.price-factors li,
.source-note,
.related-link span {
  color: var(--muted);
  line-height: 1.65;
}

.formula-band {
  margin-top: 18px;
  border-left: 3px solid var(--blue-ink);
  padding: 16px 18px;
  background: var(--blue-pale);
}

.formula-band code {
  display: block;
  margin-top: 8px;
  color: var(--blue-ink);
  font-weight: 760;
  white-space: normal;
}

.price-factors ul {
  margin: 14px 0 0;
  padding-left: 20px;
}

.source-note {
  margin-top: 24px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  font-size: 14px;
}

.source-note a {
  color: var(--green-dark);
  font-weight: 740;
}

.related-link {
  display: grid;
  gap: 8px;
  border-top: 3px solid var(--green);
  padding-top: 17px;
  text-decoration: none;
}

.related-link:hover strong { color: var(--green-dark); }

[hidden] { display: none !important; }

@media (max-width: 880px) {
  .cost-layout { grid-template-columns: 1fr; }
  .cost-copy h1 { max-width: 720px; }
}

@media (max-width: 560px) {
  .cost-hero { padding: 38px 0 48px; }
  .breadcrumb { margin-bottom: 28px; }
  .cost-tool { padding: 18px 14px; }
  .tool-heading { flex-direction: column; }
  .cost-fields,
  .cost-result-grid,
  .comparison-grid,
  .formula-grid,
  .related-grid { grid-template-columns: 1fr; }
  .cost-primary { font-size: 31px; }
  .quote-brief-heading { flex-direction: column; }
}