/* ============================================================
   FOOTER COMPONENT
   4-column link grid + bottom bar with copyright
   ============================================================ */

.site-footer {
  background-color: var(--footer-bg);
  padding: 4rem 0 0;
  transition: background-color 0.4s ease;
}

/* ── Main grid ─────────────────────────────────────────── */
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--color-border);
}

/* ── Brand column ──────────────────────────────────────── */
.footer-brand .header-logo {
  margin-bottom: 1rem;
  color: var(--color-heading);
}

[data-theme="midnight"] .site-footer .header-logo {
  color: #f0f6ff;
}

[data-theme="linen"] .site-footer .header-logo {
  color: #faf7f2;
}

[data-theme="linen"] .site-footer .logo-mark {
  color: #1c1208;
}

.footer-tagline {
  font-size: 0.9rem;
  color: var(--footer-text);
  line-height: 1.7;
  max-width: 240px;
  margin-bottom: 1.5rem;
}

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.footer-social a {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--footer-text);
  transition: all 0.2s ease;
}

.footer-social a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: var(--color-primary-soft);
}

.footer-social a svg {
  width: 16px; height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ── Link columns ──────────────────────────────────────── */
.footer-col-title {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-heading);
  margin-bottom: 1.25rem;
}

[data-theme="linen"] .site-footer .footer-col-title {
  color: #faf7f2;
}

[data-theme="midnight"] .site-footer .footer-col-title {
  color: #f0f6ff;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--footer-text);
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--color-primary);
}

/* ── Bottom bar ────────────────────────────────────────── */
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 0;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 0.82rem;
  color: var(--footer-text);
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}

.footer-bottom-links a {
  font-size: 0.82rem;
  color: var(--footer-text);
  transition: color 0.2s ease;
}

.footer-bottom-links a:hover {
  color: var(--color-primary);
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}