/* ═══════════════════════════════════════════════════════════
   FOOTER — Attribution, navigation, contact, disclosure
   ═══════════════════════════════════════════════════════════
   Source attribution is a requirement, not decoration: the Finnhub
   free tier requires attribution wherever its data is shown, and
   the Dubai evidence keeps its per-area evidence links as the audit trail.
   ═══════════════════════════════════════════════════════════ */

.site-footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-10) var(--space-6) var(--space-5);
  margin-top: var(--space-10);
}

.site-footer__inner {
  max-width: var(--content-max);
  margin: 0 auto;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

/* ── Brand ── */
/* Grid children need an explicit min-width or long unbroken strings
   (an email address, a URL) can blow the column out. */
.site-footer__brand,
.site-footer__grid > div { min-width: 0; }

.site-footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.site-footer__logo-icon { width: 26px; height: 26px; flex-shrink: 0; }
.site-footer__logo-icon svg { width: 100%; height: 100%; }

.site-footer__logo-text {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: var(--weight-bold);
  color: var(--text-primary);
  letter-spacing: 0.03em;
}

.site-footer__tagline {
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--text-muted);
  max-width: 320px;
}

.site-footer__integrity {
  margin-top: var(--space-4);
  padding: var(--space-3);
  background: rgba(0, 212, 255, 0.04);
  border-left: 2px solid var(--accent-primary);
  border-radius: var(--radius-xs);
  font-size: var(--text-xs);
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 340px;
}

.site-footer__integrity strong { color: var(--accent-primary); }

/* ── Columns ── */
.site-footer__col-title {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: var(--space-4);
}

.site-footer__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.site-footer__links a,
.site-footer__links .site-footer__src,
.site-footer__links button {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-decoration: none;
  background: none;
  padding: 2px 0;
  text-align: left;
  transition: color var(--duration-fast) var(--ease-out);
}

.site-footer__links a:hover,
.site-footer__links button:hover { color: var(--accent-primary); }

.site-footer__src-note {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-muted);
  opacity: 0.75;
}

/* ── Contact ── */
.site-footer__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
  padding: var(--space-2) var(--space-4);
  min-height: 40px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #fff;
  background: #22c55e;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: opacity var(--duration-fast) var(--ease-out);
}

.site-footer__cta:hover { opacity: 0.88; }

/* ── Bottom bar ── */
.site-footer__bottom {
  padding-top: var(--space-5);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-5);
  flex-wrap: wrap;
}

.site-footer__disclosure {
  font-size: var(--text-xs);
  line-height: 1.75;
  color: var(--text-muted);
  max-width: 640px;
}

.site-footer__disclosure strong { color: var(--accent-gold); }

.site-footer__copyright {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ── Responsive ── */
@media (max-width: 1023px) {
  .site-footer__grid { grid-template-columns: 1fr 1fr; gap: var(--space-6); }
}

@media (max-width: 767px) {
  .site-footer {
    padding: var(--space-8) var(--space-4) var(--space-5);
    padding-bottom: calc(var(--space-5) + env(safe-area-inset-bottom, 0px));
  }

  .site-footer__grid { grid-template-columns: 1fr; gap: var(--space-6); }
  .site-footer__tagline,
  .site-footer__integrity { max-width: none; }
  .site-footer__links a,
  .site-footer__links .site-footer__src,
  .site-footer__links button { min-height: 34px; align-items: center; }
  .site-footer__bottom { flex-direction: column; gap: var(--space-3); }
  .site-footer__copyright { white-space: normal; }
}