/* ==========================================================================
   AI platform comparison — page-local styles
   Loaded only on /ai-platform-comparison/. Uses global design tokens from
   styles.css; no new global rules, so no sitewide cache-bust needed.
   ========================================================================== */

.section-heading .section-lede {
  max-width: 70ch;
  margin: 14px auto 0;
  color: var(--muted);
}

/* ----- comparison table ----- */
.compare-table-wrap {
  margin-top: 30px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) * 1.5);
  background: var(--surface);
  box-shadow: var(--shadow);
}
.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
  font-size: 0.95rem;
}
.compare-table thead th {
  background: var(--ink);
  color: #fff;
  text-align: left;
  padding: 16px 18px;
  font-size: 1rem;
  vertical-align: bottom;
}
.compare-table thead th span {
  display: block;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--north-blue);
  margin-top: 2px;
}
.compare-table thead th:first-child {
  background: var(--ink-soft);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.7);
}
.compare-table tbody th {
  text-align: left;
  font-weight: 700;
  color: var(--ink);
  background: var(--surface-warm);
  padding: 14px 18px;
  white-space: nowrap;
}
.compare-table tbody td {
  padding: 14px 18px;
  color: var(--ink-soft);
  line-height: 1.5;
  border-left: 1px solid var(--line);
}
.compare-table tbody tr + tr th,
.compare-table tbody tr + tr td {
  border-top: 1px solid var(--line);
}
/* highlight the private column for the privacy-first angle */
.compare-table tbody td:last-child {
  background: #f0f6ff;
}
.compare-note {
  margin: 16px auto 0;
  max-width: 70ch;
  text-align: center;
  font-size: 0.9rem;
  color: var(--muted);
}

/* ----- choose cards ----- */
.compare-choose {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 32px;
}
.compare-choose-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) * 1.5);
  padding: 26px 24px;
}
.compare-choose-card.is-featured {
  border-color: var(--ink);
  box-shadow: var(--shadow);
}
.compare-choose-flag {
  position: absolute;
  top: -11px;
  left: 24px;
  background: var(--accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 999px;
  padding: 4px 11px;
}
.compare-choose-card h3 {
  margin: 0 0 14px;
  font-size: 1.15rem;
  color: var(--ink);
}
.compare-choose-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.compare-choose-card li {
  position: relative;
  padding-left: 24px;
  font-size: 0.94rem;
  color: var(--ink-soft);
  line-height: 1.45;
}
.compare-choose-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 13px;
  height: 8px;
  border-left: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}

/* ----- responsive ----- */
@media (max-width: 860px) {
  .compare-choose {
    grid-template-columns: 1fr;
  }
}