/* About page — editorial layout (SynthGAN / Findspo) */

.about-page {
  --about-ink: var(--brand-ink, #111827);
  --about-muted: var(--brand-body, #4b5563);
  --about-line: var(--border-color, #e2e8f0);
  --about-accent: var(--primary-500, #3588fc);
  --about-accent-soft: var(--primary-50, #f0f9ff);
  --about-warn-soft: #fff8e6;
  background: var(--findspo-bg, #ffffff);
}

.about-page .about-main {
  flex: 1 1 auto;
  width: 100%;
}

.about-page .about-wrap {
  width: 100%;
  max-width: var(--page-max-width, 1180px);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.about-page .about-intro {
  background: var(--findspo-surface);
  border-bottom: 1px solid var(--about-line);
  padding: 48px 0 40px;
}

.about-page .about-intro-inner {
  max-width: 720px;
}

.about-page .about-intro-label {
  margin: 0 0 8px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--about-accent);
}

.about-page .about-intro-title {
  margin: 0 0 12px;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--about-ink);
}

.about-page .about-intro-short {
  margin: 0 0 16px;
  font-size: 1.05rem;
  font-weight: 500;
  font-style: italic;
  color: var(--about-muted);
}

.about-page .about-intro-lead {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--about-muted);
  max-width: 62ch;
}

.about-page .about-shell {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 48px;
  align-items: start;
  padding-top: 40px;
  padding-bottom: 56px;
}

.about-page .about-toc {
  position: sticky;
  top: 24px;
}

.about-page .about-toc-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-left: 2px solid var(--about-line);
  padding-left: 16px;
}

.about-page .about-toc-nav a {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--about-muted);
  text-decoration: none;
  padding: 6px 0;
}

.about-page .about-toc-nav a:hover {
  color: var(--about-accent);
}

.about-page .about-content {
  min-width: 0;
  max-width: 760px;
}

.about-page .about-block {
  margin-bottom: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--about-line);
}

.about-page .about-block:last-of-type {
  border-bottom: none;
  margin-bottom: 32px;
  padding-bottom: 0;
}

.about-page .about-block--highlight {
  margin-left: -24px;
  margin-right: -24px;
  padding: 32px 24px;
  background: var(--findspo-surface);
  border: 1px solid var(--about-line);
  border-radius: 16px;
}

.about-page .about-block-title {
  margin: 0 0 12px;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--about-ink);
}

.about-page .about-subtitle {
  margin: 0 0 14px;
  font-size: 0.95rem;
  font-weight: 650;
  color: var(--about-ink);
}

.about-page .about-block-lead {
  margin: 0 0 24px;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--about-muted);
}

.about-page .about-pullquote {
  margin: 0 0 20px;
  padding: 20px 24px;
  border-left: 4px solid var(--about-accent);
  background: var(--about-accent-soft);
  border-radius: 0 12px 12px 0;
}

.about-page .about-pullquote p {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.55;
  font-weight: 500;
  color: var(--about-ink);
}

.about-page .about-philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.about-page .about-philosophy-card {
  padding: 20px;
  background: var(--findspo-surface);
  border: 1px solid var(--about-line);
  border-radius: 12px;
}

.about-page .about-philosophy-card h3 {
  margin: 0 0 8px;
  font-size: 0.95rem;
  font-weight: 650;
  color: var(--about-ink);
}

.about-page .about-philosophy-card p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--about-muted);
}

.about-page .about-expectations-cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.about-page .about-expectations-col {
  padding: 20px;
  background: var(--findspo-surface);
  border: 1px solid var(--about-line);
  border-radius: 12px;
}

.about-page .about-expectations-col--limit {
  border-color: #f0d78c;
  background: var(--about-warn-soft);
}

.about-page .about-expectations-list {
  margin: 0;
  padding: 0 0 0 18px;
  display: grid;
  gap: 10px;
}

.about-page .about-expectations-list li {
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--about-muted);
}

.about-page .about-timeline {
  margin: 0;
  padding: 0;
  list-style: none;
}

.about-page .about-timeline-item {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 0 20px;
  padding-bottom: 28px;
  position: relative;
}

.about-page .about-timeline-item:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 20px;
  bottom: 0;
  width: 2px;
  background: var(--about-line);
}

.about-page .about-timeline-marker {
  width: 12px;
  height: 12px;
  margin-top: 6px;
  border-radius: 50%;
  background: var(--about-accent);
  box-shadow: 0 0 0 4px var(--about-accent-soft);
  justify-self: center;
}

.about-page .about-timeline-body h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 650;
  color: var(--about-ink);
}

.about-page .about-timeline-body p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--about-muted);
}

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

.about-page .about-method-card {
  padding: 20px;
  background: var(--findspo-bg);
  border: 1px solid var(--about-line);
  border-radius: 12px;
}

.about-page .about-method-num {
  display: block;
  margin-bottom: 10px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--about-accent);
}

.about-page .about-method-card h3 {
  margin: 0 0 8px;
  font-size: 0.95rem;
  font-weight: 650;
}

.about-page .about-method-card p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--about-muted);
}

.about-page .about-audience-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.about-page .about-audience-table th,
.about-page .about-audience-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--about-line);
}

.about-page .about-audience-table thead th {
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--about-muted);
  background: var(--findspo-bg);
}

.about-page .about-audience-table tbody th {
  width: 28%;
  font-weight: 650;
  color: var(--about-ink);
}

.about-page .about-audience-table tbody td {
  color: var(--about-muted);
  line-height: 1.5;
}

.about-page .about-docs-grid {
  display: grid;
  gap: 16px;
}

.about-page .about-doc-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px 20px;
  align-items: center;
  padding: 18px 20px;
  background: var(--findspo-surface);
  border: 1px solid var(--about-line);
  border-radius: 12px;
  border-left: 4px solid var(--about-accent);
}

.about-page .about-doc-card h3 {
  margin: 0 0 6px;
  font-size: 0.95rem;
  font-weight: 650;
  color: var(--about-ink);
}

.about-page .about-doc-card p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--about-muted);
}

.about-page .about-doc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
  font-size: 0.75rem;
  color: var(--about-muted);
}

.about-page .about-doc-badge {
  background: var(--about-accent-soft);
  color: var(--about-accent);
  padding: 2px 8px;
  border-radius: 999px;
  font-weight: 600;
}

.about-page .about-principles-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.about-page .about-principles-list li {
  padding: 14px 18px;
  background: var(--findspo-surface);
  border: 1px solid var(--about-line);
  border-radius: 10px;
  font-size: 0.92rem;
  line-height: 1.5;
}

.about-page .about-principles-list li.is-limit {
  border-color: #f0d78c;
  background: var(--about-warn-soft);
}

.about-page .about-institutional {
  margin-top: 24px;
  padding: 20px;
  background: var(--findspo-surface-soft);
  border: 1px solid var(--about-line);
  border-radius: 12px;
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--about-muted);
}

.about-page .about-actions-lead {
  margin: 0 0 16px;
  font-size: 1rem;
  color: var(--about-muted);
}

.about-page .about-actions-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.about-page .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 900px) {
  .about-page .about-shell {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .about-page .about-toc {
    position: static;
  }

  .about-page .about-toc-nav {
    flex-direction: row;
    flex-wrap: wrap;
    border-left: none;
    padding-left: 0;
    gap: 8px 16px;
  }

  .about-page .about-method-grid,
  .about-page .about-philosophy-grid,
  .about-page .about-expectations-cols {
    grid-template-columns: 1fr;
  }

  .about-page .about-block--highlight {
    margin-left: 0;
    margin-right: 0;
  }

  .about-page .about-doc-card {
    grid-template-columns: 1fr;
  }
}

.about-page .about-table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0 -4px;
  padding: 0 4px;
}

@media (max-width: 640px) {
  .about-page .about-wrap {
    padding-left: 16px;
    padding-right: 16px;
  }

  .about-page .about-block-title {
    font-size: 1.35rem;
  }

  .about-page .about-toc-nav {
    gap: 6px 12px;
    font-size: 0.9rem;
  }

  .about-page .about-doc-card .btn {
    width: 100%;
  }
}