/* ============================================================================
 * af-footer.css — Aletheia public site footer (namespace: af-)
 * Dark, matching the landing theme. Reuses the site's font families
 * (Space Grotesk display, IBM Plex Sans body, IBM Plex Mono labels).
 * Self-scoped under .af-footer so it cannot leak into the app shell.
 * No font below 11px.
 * ==========================================================================*/
.af-footer {
  /* local token mirror of the landing dark palette (src/aletheia.css dark set) */
  --af-bg: #05080A;
  --af-surface: #0C1116;
  --af-hairline: #232C34;
  --af-ink: #F4F1EC;
  --af-ink-2: #A1B0C1;
  --af-ink-3: #6B7B8C;
  --af-accent: #5FD4CC;
  --af-display: 'Space Grotesk', system-ui, sans-serif;
  --af-body: 'IBM Plex Sans', system-ui, sans-serif;
  --af-mono: 'IBM Plex Mono', ui-monospace, Menlo, monospace;

  display: block;
  width: 100%;
  background: var(--af-bg);
  color: var(--af-ink-2);
  border-top: 1px solid var(--af-hairline);
  font-family: var(--af-body);
  box-sizing: border-box;
}
.af-footer *,
.af-footer *::before,
.af-footer *::after { box-sizing: border-box; }

.af-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 56px 40px 32px;
}

.af-cols {
  display: flex;
  flex-wrap: wrap;
  gap: 40px 72px;
}

.af-col { min-width: 160px; }

.af-h {
  margin: 0 0 18px;
  font-family: var(--af-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--af-ink-3);
}

.af-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.af-list li { margin: 0 0 14px; }
.af-list li:last-child { margin-bottom: 0; }

.af-link {
  font-family: var(--af-body);
  font-size: 15px;
  line-height: 1.4;
  color: var(--af-ink);
  text-decoration: none;
  transition: color 0.16s ease;
}
.af-link:hover { color: var(--af-accent); }
.af-link:focus-visible {
  outline: 2px solid var(--af-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* "or book a demo slot →" sub-line beneath Contact us */
.af-sub {
  display: block;
  margin-top: 5px;
  font-size: 12.5px;
  color: var(--af-ink-3);
}
.af-link--quiet {
  font-size: 12.5px;
  color: var(--af-ink-2);
}

/* social: live links read like the others; disabled ones are visibly greyed
   and do not navigate (no live # that scrolls the page). */
.af-list--social li { margin-bottom: 12px; }
.af-social {
  display: inline-block;
  font-family: var(--af-body);
  font-size: 15px;
  color: var(--af-ink);
  text-decoration: none;
  transition: color 0.16s ease;
}
.af-social:hover { color: var(--af-accent); }
.af-social--disabled {
  color: var(--af-ink-3);
  cursor: default;
  opacity: 0.55;
}

.af-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 18px;
  margin-top: 48px;
  padding-top: 22px;
  border-top: 1px solid var(--af-hairline);
}
.af-mark {
  font-family: var(--af-display);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--af-ink);
}
.af-copy {
  font-family: var(--af-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--af-ink-3);
}

@media (max-width: 640px) {
  .af-inner { padding: 44px 24px 28px; }
  .af-cols { gap: 34px 40px; }
}