.area-hero {
  padding: 2.5rem 0 1.5rem;
}

.area-hero__content {
  max-width: 72ch;
}

.area-hero .lead {
  font-size: 1.05rem;
  color: var(--color-muted);
}

.area-section {
  padding: 1.5rem 0 2rem;
}

.area-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 960px) {
  .area-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }
}

.area-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.area-card--metric {
  display: grid;
  gap: 0.4rem;
}

.area-card--context {
  background: linear-gradient(180deg, rgba(41, 112, 255, 0.08), rgba(255, 255, 255, 0));
}

.area-card--summary ul {
  margin: 0 0 1rem 1.1rem;
}

.area-form {
  display: grid;
  gap: 1rem;
}

.area-field {
  display: grid;
  gap: 0.4rem;
}

.area-field input,
.area-field select {
  min-height: 44px;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  padding: 0.6rem 0.75rem;
  background: #fff;
}

.area-fieldset {
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 0.75rem;
  display: grid;
  gap: 0.5rem;
}

.unit-toggle {
  display: grid;
  gap: 0.5rem;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 0.6rem 0.75rem;
}

.unit-toggle__option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
}

.area-fieldset legend {
  padding: 0 0.5rem;
  font-size: 0.9rem;
  color: var(--color-soft);
}

.check {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.area-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.area-results {
  display: grid;
  gap: 1.25rem;
}

.area-download-cta {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(147, 51, 234, 0.08));
  border: 2px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: grid;
  gap: 1.5rem;
  align-items: center;
  text-align: center;
}

@media (min-width: 768px) {
  .area-download-cta {
    grid-template-columns: 1fr auto;
    text-align: left;
  }
}

.area-download-cta__content h2 {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
}

.area-download-cta__content p {
  margin: 0;
  color: var(--color-muted);
}

.btn-lg {
  padding: 0.875rem 2rem;
  font-size: 1.05rem;
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  white-space: nowrap;
}

.area-section--download {
  margin-top: 2.5rem;
  padding: 2rem 0 2.5rem;
}

.area-download {
  margin-top: 1.5rem;
  display: grid;
  gap: 0.5rem;
}

.area-summary-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.area-metric__label {
  font-size: 0.85rem;
  color: var(--color-soft);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.area-metric__value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
}

.area-metric__helper {
  color: var(--color-muted);
  font-size: 0.95rem;
}

.area-callouts {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.area-callout {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  background: var(--color-surface);
}

.area-callout--positive {
  border-color: rgba(34, 197, 94, 0.35);
  background: rgba(34, 197, 94, 0.08);
}

.area-callout--caution {
  border-color: rgba(234, 179, 8, 0.4);
  background: rgba(234, 179, 8, 0.12);
}

.area-callout--neutral {
  border-color: rgba(59, 130, 246, 0.25);
  background: rgba(59, 130, 246, 0.08);
}

.area-alternatives {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.area-option-grid {
  display: grid;
  gap: 0.5rem;
  margin-top: 0.75rem;
  font-size: 0.95rem;
}

.area-option__label {
  display: block;
  font-size: 0.8rem;
  color: var(--color-soft);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.area-detail {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  background: var(--color-surface);
}

.area-detail > summary {
  font-weight: 600;
  cursor: pointer;
  padding: 0.25rem 0;
}

.area-table {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.area-table table {
  width: 100%;
  border-collapse: collapse;
}

.area-table th,
.area-table td {
  text-align: left;
  padding: 0.6rem 0.4rem;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
}

.area-table caption {
  caption-side: top;
  text-align: left;
  font-size: 0.9rem;
  color: var(--color-muted);
  padding-bottom: 0.5rem;
}

.area-row--total td {
  font-weight: 700;
}

.area-table tr:last-child td {
  border-bottom: none;
}

.area-recommendations ul {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.6rem;
}

.area-next-steps {
  margin-top: 1.5rem;
}

.area-faq {
  display: grid;
  gap: 0.75rem;
}

.area-faq__item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  background: var(--color-surface);
}

.area-links {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 900px) {
  .area-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.area-links__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.area-links__list a {
  font-weight: 600;
}

.area-sticky {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 40;
  display: none;
  justify-content: center;
}

.area-sticky--mobile {
  display: none;
}

.area-sticky-spacer {
  display: none;
}

.area-sticky .btn {
  width: 100%;
  max-width: 420px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.15), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  min-height: 52px;
  font-size: 1.05rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
}

.note {
  color: var(--color-muted);
  font-size: 0.95rem;
}

@media (max-width: 720px) {
  .area-sticky--mobile {
    display: flex;
  }

  .area-sticky-spacer {
    display: block;
    height: 5rem;
  }

  .area-download-cta {
    display: none;
  }

  .area-table table,
  .area-table thead,
  .area-table tbody,
  .area-table th,
  .area-table td,
  .area-table tr {
    display: block;
    width: 100%;
  }

  .area-table thead {
    display: none;
  }

  .area-table tr {
    border-bottom: 1px solid var(--color-border);
    padding: 0.75rem 0;
  }

  .area-table tr:last-child {
    border-bottom: none;
  }

  .area-table td {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    border-bottom: none;
    padding: 0.5rem 0;
    font-size: 0.95rem;
  }

  .area-table td::before {
    content: attr(data-label);
    font-weight: 600;
    color: var(--color-soft);
    flex: 0 0 auto;
    max-width: 50%;
  }

  .area-table td:last-child {
    padding-bottom: 0;
  }

  .btn-lg {
    width: 100%;
    justify-content: center;
  }
}

@media (min-width: 721px) {
  .area-summary-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }

  .area-callouts {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}