.calculator-explainer,
.guide-hub-featured,
.guide-reference,
.about-policy {
  margin: 42px 0;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
}

.calculator-explainer h2,
.guide-hub-featured h2,
.guide-reference h2,
.about-policy h2 {
  max-width: 760px;
  margin: 8px 0 14px;
}

.calculator-explainer > p,
.guide-hub-featured > p,
.guide-reference > p,
.about-policy > p {
  max-width: 780px;
}

.explainer-grid,
.guide-hub-grid,
.verification-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.explainer-grid article,
.guide-hub-card,
.verification-grid > div {
  display: block;
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: color-mix(in srgb, var(--green-soft) 30%, var(--surface));
}

.explainer-grid h3,
.guide-hub-card h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.explainer-grid p,
.guide-hub-card p {
  margin: 0;
}

.guide-hub-card {
  color: inherit;
  text-decoration: none;
  transition: border-color .18s ease, transform .18s ease, background .18s ease;
}

.guide-hub-card:hover,
.guide-hub-card:focus-visible {
  border-color: var(--accent, #52c99b);
  background: rgba(28, 75, 55, 0.54);
  transform: translateY(-2px);
}

.guide-hub-card .eyebrow {
  margin-bottom: 10px;
}

.guide-hub-card strong,
.guide-hub-card small,
.guide-hub-card em {
  display: block;
}

.guide-hub-card strong {
  margin: 0 0 8px;
  color: var(--ink);
  font-size: 1.15rem;
  line-height: 1.25;
}

.guide-hub-card small {
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.65;
}

.guide-hub-card em {
  margin-top: 16px;
  color: var(--green);
  font-size: .9rem;
  font-style: normal;
  font-weight: 800;
}

.guide-card-link,
.explainer-links {
  display: inline-flex;
  gap: 8px;
  margin-top: 16px;
  color: var(--accent, #52c99b);
  font-weight: 700;
}

.explainer-links {
  flex-wrap: wrap;
  font-size: .94rem;
}

.explainer-links a,
.guide-reference a,
.about-policy a {
  color: var(--accent, #52c99b);
}

.guide-reference ul {
  margin: 14px 0 0;
  padding-left: 1.15rem;
}

.guide-reference li + li {
  margin-top: 10px;
}

.verification-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.verification-grid > div {
  display: grid;
  gap: 8px;
}

.verification-grid span {
  color: var(--muted, #a9b8ae);
  font-size: .9rem;
}

.verification-grid strong {
  color: var(--accent, #52c99b);
  font-family: "DM Mono", monospace;
}

@media (prefers-color-scheme: dark) {
  .calculator-explainer,
  .guide-hub-featured,
  .guide-reference,
  .about-policy {
    background: rgba(25, 57, 43, 0.42);
  }

  .explainer-grid article,
  .guide-hub-card,
  .verification-grid > div {
    background: rgba(12, 35, 25, 0.54);
  }
}

@media (max-width: 760px) {
  .calculator-explainer,
  .guide-hub-featured,
  .guide-reference,
  .about-policy {
    margin: 28px 0;
    padding: 21px;
  }

  .explainer-grid,
  .guide-hub-grid,
  .verification-grid {
    grid-template-columns: 1fr;
  }
}

.scenario-compare-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 16px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--line);
}

.scenario-compare-actions p {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.45;
}

.scenario-card-title {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.scenario-select {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin: 0;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  white-space: nowrap;
  cursor: pointer;
}

.scenario-select input {
  width: 14px;
  height: 14px;
  accent-color: var(--green);
}

.scenario-compare-dialog {
  width: min(940px, calc(100% - 32px));
  max-height: min(760px, calc(100% - 32px));
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px;
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 24px 70px rgba(18, 35, 30, .25);
}

.scenario-compare-dialog::backdrop {
  background: rgba(15, 34, 28, .48);
}

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

.scenario-compare-heading .eyebrow {
  margin-bottom: 7px;
}

.scenario-compare-heading h2 {
  margin: 0 0 7px;
  font-size: clamp(24px, 3vw, 32px);
}

.scenario-compare-heading > div > p:last-child,
.scenario-comparison-note {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

.scenario-comparison-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 13px;
}

.scenario-comparison-table-wrap table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 12px;
}

.scenario-comparison-table-wrap th,
.scenario-comparison-table-wrap td {
  padding: 13px 15px;
  border-bottom: 1px solid var(--line);
  text-align: right;
  vertical-align: top;
}

.scenario-comparison-table-wrap thead th {
  color: var(--ink);
  background: color-mix(in srgb, var(--green-soft) 42%, var(--surface));
  font-size: 12px;
  text-align: right;
}

.scenario-comparison-table-wrap th:first-child {
  min-width: 150px;
  text-align: left;
}

.scenario-comparison-table-wrap tbody th {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.scenario-comparison-table-wrap tr:last-child > * {
  border-bottom: 0;
}

.scenario-comparison-table-wrap td.positive {
  color: var(--green);
  font-weight: 800;
}

.scenario-comparison-table-wrap td.negative {
  color: var(--red);
  font-weight: 800;
}

.scenario-comparison-note {
  margin-top: 16px;
}

@media (prefers-color-scheme: dark) {
  .scenario-compare-dialog {
    background: var(--surface);
  }

  .scenario-compare-dialog::backdrop {
    background: rgba(0, 0, 0, .63);
  }
}

@media (max-width: 760px) {
  .scenario-compare-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .scenario-compare-actions button {
    width: 100%;
  }

  .scenario-compare-dialog {
    width: calc(100% - 16px);
    max-height: calc(100% - 16px);
    padding: 21px;
  }

  .scenario-compare-heading {
    gap: 12px;
  }

  .scenario-compare-heading .scenario-close {
    flex: 0 0 auto;
  }
}