.section__footer {
  position: relative;
  padding-top: 2.5rem;
  padding-bottom: calc(3rem + env(safe-area-inset-bottom, 0px)); /* clear the iPhone home bar */
  margin-top: 1.5rem;
}

.section__footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 1000px;
  height: 1px;
  background: var(--border-medium);
}

.footer__top-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2.5rem;
  flex-wrap: nowrap;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 1rem;
}

.footer__brand-col {
  flex: 3 1 0;
  min-width: 0;
}

.footer__links-col {
  flex: 2 1 0;
  min-width: 0;
}

.footer__links-row {
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  gap: 2.5rem;
  flex-wrap: nowrap;
  height: auto;
}

.footer__links-half {
  flex: 0 0 172px;
  min-width: 0;
  width: 172px;
  max-width: 172px;
}

.footer__brand {
  display: inline-block;
  margin-bottom: 1rem;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}

.footer-logo .logo-mark.small {
  width: 36px;
  height: 36px;
}

.footer-logo > span:not(.logo-accent),
.footer-logo .logo-text {
  font-family: var(--font-logo);
  font-weight: 400;
  color: var(--text-primary);
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 1.25px;
  line-height: 1;
  text-transform: uppercase;
}

.footer-logo .logo-prefix {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  line-height: 1;
}

.footer-logo .logo-mainline {
  display: inline-flex;
  align-items: baseline;
  justify-content: flex-start;
  gap: 4px;
  line-height: 1;
}

.footer-logo .logo-debug {
  font-size: 1.28rem;
  letter-spacing: 0.015em;
  color: var(--text-primary);
  line-height: 1;
}

.footer-logo .logo-accent {
  color: var(--accent-solid);
  font-weight: 400;
  font-size: 1.08rem;
  letter-spacing: 0.025em;
  line-height: 1;
}

.footer__description {
  color: var(--text-tertiary);
  font-size: 0.92rem;
  line-height: 1.7;
  max-width: 460px;
  margin-bottom: 1.25rem;
}

.links__social {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 0.5rem;
}

.links__social__square {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  transition: all 0.25s var(--ease);
  cursor: pointer;
}

.links__social__square i {
  font-size: 1.05rem;
  color: var(--text-tertiary);
  transition: all 0.25s var(--ease);
}

.links__social__square:hover {
  transform: translateY(-2px);
  border-color: var(--border-accent);
  background: var(--accent-soft);
}

.links__social__square:hover i {
  color: var(--accent-solid);
}

.footer__bottom-row {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

.footer__copyright {
  color: var(--text-tertiary);
  font-size: 0.82rem;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.cyber_link {
  color: var(--accent-solid);
  border-bottom: 1px solid var(--border-accent);
  padding-bottom: 1px;
  transition: all 0.25s var(--ease);
}

.cyber_link:hover {
  color: var(--accent-strong);
  border-color: var(--accent-solid);
}

.link__header {
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  position: relative;
  display: inline-block;
}

.link__header::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.45rem;
  width: 32px;
  height: 2px;
  background: var(--accent-solid);
  border-radius: 1px;
  opacity: 0.85;
}

.footer__links {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.55rem;
  list-style: none;
  padding: 0;
  margin: 0;
  width: 100%;
}

.footer__links .footer__link {
  display: inline-flex;
  width: 100%;
  max-width: 100%;
  text-decoration: none;
}

.footer__link .footer__item {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 0.8rem;
  border-radius: 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  font-size: 0.87rem;
  white-space: nowrap;
  width: 100%;
  min-width: 0;
  transition: all 0.25s var(--ease);
}

.footer__link .footer__item i {
  font-size: 0.88rem;
  color: var(--text-tertiary);
  width: 17px;
  text-align: center;
  flex: 0 0 auto;
  transition: all 0.25s var(--ease);
}

.footer__link:hover .footer__item {
  background: var(--accent-soft);
  border-color: var(--border-accent);
  color: var(--text-primary);
  transform: translateX(3px);
}

.footer__link:hover .footer__item i {
  color: var(--accent-solid);
}

@media (max-width: 960px) {
  .footer__top-row {
    flex-direction: column;
    gap: 1.8rem;
  }
  .footer__brand-col {
    flex: 1 1 auto;
    max-width: 100%;
  }
  .footer__links-col {
    flex: 1 1 auto;
    max-width: 100%;
  }
  .footer__links-row {
    flex-direction: row;
  }
}

@media (max-width: 560px) {
  .footer__links-row {
    flex-direction: column;
    gap: 1.5rem;
  }
  .footer__links-half {
    flex: 1 1 auto;
    max-width: 100%;
  }
  .footer__bottom-row {
    justify-content: flex-start;
    text-align: left;
  }
}