/* ==========================================================================
   FINDABILITY — Footer
   Dark footer with spectrogram canvas, social links
   ========================================================================== */

.fb-footer {
  position: relative;
  background: var(--neutral-900);
  color: var(--neutral-300);
  padding: 64px 0 32px;
  overflow: hidden;
}

.fb-footer__spectrogram {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.3;
  pointer-events: none;
}

.fb-footer__inner {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

/* Logo */
.fb-footer__logo {
  display: inline-block;
  margin-bottom: 12px;
}
.fb-footer__logo img {
  height: 32px;
  width: auto;
  opacity: 0.9;
}

/* Tagline */
.fb-footer__tagline {
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: 1.05rem;
  color: var(--neutral-400);
  margin-bottom: 32px;
}

/* Nav */
.fb-footer__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
  margin-bottom: 32px;
}
.fb-footer__nav-link {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--neutral-400);
  transition: color 0.2s;
}
.fb-footer__nav-link:hover { color: var(--white); }

/* Social */
.fb-footer__social {
  display: flex;
  gap: 16px;
  margin-bottom: 32px;
}
.fb-footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  transition: background 0.2s;
}
.fb-footer__social-link:hover {
  background: rgba(255, 255, 255, 0.18);
}
.fb-footer__social-link img {
  width: 18px;
  height: 18px;
  opacity: 0.8;
}

/* Divider */
.fb-footer__divider {
  width: 100%;
  max-width: 600px;
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  margin-bottom: 24px;
}

/* Bottom row — stacked: signal badge above copyright */
.fb-footer__bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.fb-footer__signal-badge {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gold);
  opacity: 0.7;
}
.fb-footer__copyright {
  font-size: 0.8rem;
  color: var(--neutral-500);
}
.fb-footer__legal-sep {
  margin: 0 4px;
  opacity: 0.5;
}
.fb-footer__legal-link {
  color: var(--neutral-500);
  transition: color 0.2s;
}
.fb-footer__legal-link:hover {
  color: var(--white);
}

/* Responsive */
@media (max-width: 767px) {
  .fb-footer { padding: 48px 0 24px; }
  .fb-footer__nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px 24px;
    text-align: center;
    width: 100%;
    max-width: 300px;
  }
  /* Centre the last item if odd count */
  .fb-footer__nav li:last-child:nth-child(odd) {
    grid-column: 1 / -1;
  }
}