/* ============================================================
   NEXORA · Components / Footer — Apple Minimal
   No borders, no gradients. Flat minimal.
   ============================================================ */

.site-footer {
  position: relative;
  border-top: none;
  padding: clamp(3rem, 2rem + 3vw, 5rem) 0 0;
  background: var(--bg-page);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: clamp(2rem, 1rem + 3vw, 4rem);
  padding-bottom: 3.5rem;
}

.footer-brand { display: grid; gap: 1.1rem; align-content: start; max-width: 22rem; }
.footer-brand p { font-size: 0.95rem; line-height: 1.65; color: var(--text-2); }

.footer-tag {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  padding: 0.35rem 0.75rem;
  border: none;
  border-radius: var(--radius-full);
  width: fit-content;
  background: #f5f5f7;
  box-shadow: none;
}

[data-theme="dark"] .footer-tag { background: #1c1c1e; }
.footer-tag .status-dot { width: 6px; height: 6px; background: #30d158; }

.footer-social { display: flex; gap: 0.6rem; }

.footer-social a {
  display: grid; place-items: center;
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  border: none;
  background: #f5f5f7;
  color: var(--text-2);
  box-shadow: none;
  transition: color var(--dur), background var(--dur), transform var(--dur);
}

[data-theme="dark"] .footer-social a { background: #1c1c1e; }
.footer-social a:hover { color: var(--text-1); border-color: transparent; transform: translateY(-1px); background: #e8e8ed; }
[data-theme="dark"] .footer-social a:hover { background: #2c2c2e; }

.footer-col h4 {
  font-size: 0.8rem; font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 1.1rem;
}

.footer-col ul { list-style: none; padding: 0; display: grid; gap: 0.7rem; }
.footer-col a { font-size: 0.93rem; color: var(--text-2); transition: color var(--dur-fast), opacity var(--dur-fast); }
.footer-col a:hover { color: var(--text-1); padding-left: 0; opacity: 1; }

.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
  padding: 1.4rem 0;
  border-top: 1px solid #f5f5f7;
  font-size: 0.85rem;
  color: var(--text-3);
}

[data-theme="dark"] .footer-bottom { border-top-color: #1c1c1e; }
.footer-bottom .legal { display: flex; gap: 1.5rem; }
.footer-bottom a:hover { color: var(--text-1); }