/* ===== Footer ===== */
.site-footer-section {
  position: relative;
  margin-top: 4rem;
  border-top: 1px solid var(--border);
  background:
    radial-gradient(ellipse 60% 80% at 50% 0%, rgba(59,130,246,0.08), transparent 70%),
    rgba(15,23,42,0.6);
  overflow: hidden;
}
.site-footer-section .inner {
  max-width: 72rem;
  margin: 0 auto;
  padding: 3rem 1.25rem 1.5rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}
@media (min-width: 768px) {
  .site-footer-section .inner {
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    padding: 4rem 1.5rem 1.5rem;
    gap: 3rem;
  }
}

.footer-brand .logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1rem;
  color: var(--foreground);
}
.footer-brand .logo .accent { color: var(--primary); }
.footer-brand p {
  margin-top: 0.75rem;
  color: var(--muted-foreground);
  font-size: 0.875rem;
  line-height: 1.6;
  max-width: 22rem;
}
.footer-brand .socials {
  margin-top: 1rem;
  display: flex;
  gap: 0.5rem;
}
.footer-brand .socials a {
  width: 2.25rem; height: 2.25rem;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 0.5rem;
  border: 1px solid var(--border);
  background: rgba(17,24,39,0.6);
  color: var(--muted-foreground);
  transition: all 0.2s;
  text-decoration: none;
}
.footer-brand .socials a:hover {
  color: var(--primary);
  border-color: rgba(59,130,246,0.4);
  background: rgba(59,130,246,0.08);
  transform: translateY(-2px);
}
.footer-brand .socials svg { width: 16px; height: 16px; }

.footer-col {
  margin: 0;
  text-align: left;
}
.footer-col ul {
  align-items: flex-start;
}

@media (min-width: 768px) {
  .footer-col:nth-child(2),
  .footer-col:nth-child(3) {
    margin: 0 auto;
  }
  /* .footer-col:nth-child(2) ul,
  .footer-col:nth-child(3) ul {
    align-items: center; 
  } */

  .footer-col:last-child {
    margin-left: auto;
    text-align: right;
  }
  .footer-col:last-child ul {
    align-items: flex-end; 
  }
}

.footer-col h4 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  margin: 0 0 0.9rem;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.55rem; }
.footer-col a {
  color: var(--muted-foreground);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s, padding 0.2s;
}
.footer-col a:hover { color: var(--foreground); padding-left: 0.25rem; }

.footer-bottom {
  max-width: 72rem;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: center;
  justify-content: space-between;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--muted-foreground);
}
@media (min-width: 640px) { .footer-bottom { flex-direction: row; } }
.footer-bottom .status .dot {
  display: inline-block;
  width: 0.45rem; height: 0.45rem;
  border-radius: 9999px;
  background: var(--emerald);
  margin-right: 0.4rem;
  animation: pulse 2s infinite;
}