.tool-hero {
  padding: 54px 0 28px;
  background:
    radial-gradient(circle at 88% 10%, rgba(17, 123, 115, .16), transparent 30%),
    linear-gradient(180deg, #f8fbf5 0%, #eef6f1 100%);
  border-bottom: 1px solid var(--line);
}

.tool-hero h1 {
  max-width: 900px;
  font-size: clamp(2.25rem, 5vw, 4.1rem);
}

.tool-hero .intro {
  max-width: 760px;
  font-size: 1.08rem;
}

.tool-layout {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(360px, 1.1fr);
  gap: 22px;
  align-items: start;
  padding-top: 30px;
  padding-bottom: 50px;
}

.tool-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
  padding: clamp(20px, 3vw, 32px);
}

.tool-card h2 {
  font-size: clamp(1.45rem, 3vw, 2rem);
}

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

.tool-form .full-field,
.tool-form .form-actions {
  grid-column: 1 / -1;
}

.tool-form button {
  width: fit-content;
}

.tool-result {
  position: sticky;
  top: 90px;
  min-height: 320px;
}

.tool-result[hidden] {
  display: grid;
}

.tool-result[hidden] > * {
  visibility: hidden;
}

.tool-result[hidden]::before {
  content: "Your result will appear here.";
  visibility: visible;
  color: var(--muted);
  display: grid;
  place-items: center;
  min-height: 250px;
  border: 1px dashed #b9c9c2;
  border-radius: 8px;
}

.hero-result {
  padding: 18px;
  border-radius: 8px;
  background: var(--green-soft);
  margin: 12px 0 18px;
}

.hero-result span,
.result-stat span {
  display: block;
  color: var(--muted);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.hero-result strong {
  display: block;
  margin-top: 6px;
  color: var(--teal);
  font-size: clamp(2.1rem, 5vw, 3.5rem);
  line-height: 1;
}

.hero-result small {
  display: block;
  margin-top: 8px;
  color: var(--muted);
}

.result-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}

.result-stat {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #fff;
}

.result-stat strong {
  display: block;
  margin-top: 6px;
  font-size: 1.15rem;
}

.tool-notice {
  margin: 0;
  padding: 12px 14px;
  border-left: 4px solid var(--teal);
  background: var(--green-soft);
  color: #2f4641;
  line-height: 1.5;
}

.tool-notice.is-warning {
  border-left-color: var(--gold);
  background: var(--gold-soft);
  color: #65470e;
}

.tool-explainer {
  padding: 44px 0 58px;
  background: #fff;
  border-top: 1px solid var(--line);
}

.tool-explainer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.tool-explainer article {
  border-top: 3px solid var(--teal);
  padding-top: 16px;
}

.tool-explainer h2,
.tool-explainer h3 {
  margin-bottom: 8px;
}

.tool-explainer p {
  color: var(--muted);
  line-height: 1.6;
}

.comparison-layout {
  grid-template-columns: 1fr;
}

.comparison-layout .tool-result {
  position: static;
}

.comparison-table-wrap {
  overflow-x: auto;
  margin-top: 16px;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

.comparison-table th,
.comparison-table td {
  padding: 15px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
}

.comparison-table thead th {
  background: #172522;
  color: #fff;
  font-size: .82rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.comparison-table tbody th {
  min-width: 190px;
}

.comparison-table tbody tr.is-cheapest {
  background: var(--green-soft);
}

.comparison-table small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-weight: 500;
}

.state-abbr {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 32px;
  margin-right: 10px;
  border-radius: 8px;
  background: var(--gold-soft);
  color: #75520d;
  font-size: .78rem;
  font-weight: 900;
}

.best-label {
  display: block;
  margin: 5px 0 0 48px;
  color: var(--teal);
  font-size: .72rem;
  font-weight: 900;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.data-warning {
  color: #75520d;
  font-weight: 800;
}

.inline-sources {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.inline-sources ul {
  columns: 2;
  padding-left: 1.1rem;
}

.inline-sources li {
  margin-bottom: 7px;
  break-inside: avoid;
}

.inline-sources a {
  color: var(--teal);
  font-weight: 700;
}

.tool-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

@media (max-width: 900px) {
  .tool-layout,
  .tool-explainer-grid {
    grid-template-columns: 1fr;
  }

  .tool-result {
    position: static;
  }
}

@media (max-width: 640px) {
  .tool-form,
  .result-stats {
    grid-template-columns: 1fr;
  }

  .tool-form .full-field,
  .tool-form .form-actions {
    grid-column: auto;
  }

  .inline-sources ul {
    columns: 1;
  }
}