/* ===========================
   BENTOPIA — Footer
   =========================== */

.site-footer {
  position: relative;
  z-index: 10;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-deep);
  padding: 4rem 2rem 2.5rem;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
}

/* ── Brand Column ── */
.footer-brand .footer-logo {
  font-family: var(--font-logo);
  font-size: 1.2rem;
  color: var(--color-text);
  text-decoration: none;
  display: inline-block;
  margin-bottom: 1rem;
}

.footer-brand p {
  font-size: 0.95rem;
  color: var(--color-text-dim);
  line-height: 1.8;
  max-width: 260px;
}

.footer-brand .social-links {
  display: flex;
  gap: 0.6rem;
  margin-top: 1.4rem;
}

.social-link {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: rgba(255,255,255,0.03);
  color: var(--color-text-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.social-link:hover {
  border-color: var(--color-teal);
  color: var(--color-teal);
  background: rgba(18,224,189,0.08);
}

/* ── Nav Columns ── */
.footer-col h4 {
  font-size: 0.82rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-teal);
  margin-bottom: 1.2rem;
  font-weight: normal;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-col a {
  font-size: 0.95rem;
  color: var(--color-text-dim);
  text-decoration: none;
  transition: color 0.2s;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.footer-col a:hover {
  color: var(--color-text);
}

.footer-col a .link-arrow {
  font-size: 0.75rem;
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 0.2s, transform 0.2s;
  color: var(--color-teal);
}

.footer-col a:hover .link-arrow {
  opacity: 1;
  transform: translateX(0);
}

/* ── Contact Details ── */
.footer-contact-item {
  font-size: 0.95rem;
  color: var(--color-text-dim);
  margin-bottom: 0.65rem;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.footer-contact-item span {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(18,224,189,0.5);
}

.footer-contact-item a {
  color: var(--color-text-dim);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-contact-item a:hover {
  color: var(--color-teal);
}

/* ── Bottom Bar ── */
.footer-bottom {
  max-width: var(--max-w);
  margin: 3rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-bottom p {
  font-size: 0.88rem;
  color: var(--color-text-dim);
  letter-spacing: 0.04em;
}

.footer-bottom .footer-badge {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  color: var(--color-text-dim);
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 600px) {
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}