/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  padding: 64px 0 40px;
  border-top: 1px solid var(--hairline);
  margin-top: 40px;
}

.footer__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 32px;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.footer__brand img { width: 36px; height: 36px; border-radius: 10px; }
.footer__brand-name { font-weight: 700; font-size: 16px; letter-spacing: -0.01em; }
.footer__brand-tag { font-size: 12.5px; color: var(--ink-faint); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--hairline);
  font-size: 12.5px;
  color: var(--ink-faint);
}

.footer__links {
  display: flex;
  gap: 20px;
}
.footer__links a { transition: color var(--dur-fast); }
.footer__links a:hover { color: var(--ink); }

/* Nav category quick-jump (used in hero secondary nav on desktop) */
.pill-nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}
.pill-nav__item {
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--ink-soft);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-out);
}
.pill-nav__item:hover {
  color: var(--ink);
  background: var(--glass-bg-strong);
  transform: translateY(-1px);
}

/* Placeholder-data marker (dev note, visually subtle) */
.data-note {
  font-size: 11px;
  color: var(--ink-faint);
  text-align: center;
  margin-top: 8px;
  opacity: 0.6;
}

/* Back to top */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 90;
  width: 48px; height: 48px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--dur-fast), transform var(--dur-fast) var(--ease-spring), visibility var(--dur-fast);
  cursor: pointer;
  color: var(--ink);
}
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-3px); }
.back-to-top svg { width: 18px; height: 18px; }

@media (max-width: 640px) {
  .back-to-top { bottom: 20px; right: 20px; width: 44px; height: 44px; }
}