/*
 * css/footer.css
 * Reusable site footer — Emergent-style layout with Raaghu / wai content
 */

.site-footer {
  border-top: 1px solid var(--border-primary);
  background-color: var(--bg-secondary);
}

.site-footer__inner {
  width: 100%;
  max-width: var(--layout-max);
  margin-inline: auto;
  padding: 28px var(--layout-gutter) 14px;
}

.site-footer__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px 48px;
  margin-bottom: 18px;
}

.site-footer__brand {
  flex: 0 1 340px;
  min-width: 0;
}

.site-footer__brand .site-logo {
  display: inline-flex;
  min-height: var(--site-logo-icon-size);
  align-items: center;
}

.site-footer__tagline {
  margin: 8px 0 0;
  max-width: 320px;
  font-size: var(--fs-sm);
  line-height: 1.5;
  color: var(--text-muted);
}

.site-footer__partner-logo-link {
  display: inline-flex;
  align-items: center;
  margin: 12px 0 0;
  text-decoration: none;
  line-height: 0;
}

.site-footer__partner-logo {
  display: block;
  height: var(--footer-partner-logo-height);
  width: auto;
  max-width: 100%;
  object-fit: contain;
  object-position: left center;
}

.site-footer__nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(140px, 1fr));
  gap: 28px 56px;
  justify-content: end;
  flex: 1 1 auto;
  width: 100%;
  max-width: 680px;
  min-width: 0;
}

.site-footer__column {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.site-footer__heading {
  margin: 0 0 10px;
  font-size: var(--fs-sm);
  font-weight: 600;
  line-height: 1.2;
  color: var(--text-primary);
}

.site-footer__links {
  list-style: none;
}

.site-footer__links li + li {
  margin-top: 6px;
}

.site-footer__links a {
  display: inline-block;
  font-size: var(--fs-sm);
  line-height: 1.45;
  color: var(--text-muted);
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: color 0.2s;
}

.site-footer__links a:hover,
.site-footer__links a:focus-visible {
  color: var(--text-primary);
}

.site-footer__bottom {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.6fr) minmax(0, 1fr);
  align-items: center;
  gap: 10px 16px;
  padding-top: 12px;
  border-top: 1px solid var(--border-primary);
  font-size: var(--fs-caption);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.site-footer__copyright {
  margin: 0;
  justify-self: start;
  line-height: 1.4;
}

.site-footer__credit {
  margin: 0;
  justify-self: center;
  text-align: center;
  line-height: 1.45;
  max-width: none;
  white-space: nowrap;
  text-transform: none;
  letter-spacing: 0.01em;
  font-size: var(--fs-caption);
}

.site-footer__credit strong {
  display: inline;
  font-weight: 700;
  color: var(--text-secondary);
}

.site-footer__brand-name {
  color: var(--brand-light);
  text-decoration: none;
  transition: color 0.2s ease;
}

.site-footer__brand-name:hover,
.site-footer__brand-name:focus-visible {
  color: var(--brand-primary);
  text-decoration: underline;
}

.site-footer__social {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  justify-self: end;
}

.site-footer__social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.site-footer__social-link:hover,
.site-footer__social-link:focus-visible {
  color: var(--text-primary);
}

.site-footer__social-icon {
  display: block;
  width: 16px;
  height: 16px;
}

@media (max-width: 1100px) {
  .site-footer__inner {
    padding: 24px var(--layout-gutter) 12px;
  }

  .site-footer__top {
    display: grid;
    grid-template-columns: minmax(210px, 0.7fr) minmax(0, 1.6fr);
    gap: 24px 32px;
  }

  .site-footer__nav {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px 28px;
    max-width: none;
  }

  .site-footer__tagline {
    max-width: 360px;
  }
}

@media (max-width: 900px) {
  .site-footer__bottom {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
    gap: 10px;
  }

  .site-footer__copyright,
  .site-footer__credit,
  .site-footer__social {
    justify-self: center;
  }

  .site-footer__social {
    justify-content: center;
  }

  .site-footer__credit {
    max-width: none;
    white-space: normal;
  }
}

@media (max-width: 768px) {
  .site-footer {
    margin-top: 16px;
  }

  .site-footer__inner {
    padding: 22px var(--layout-gutter) 12px;
  }

  .site-footer__top {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 14px;
  }

  .site-footer__brand {
    flex-basis: auto;
    width: 100%;
  }

  .site-footer__tagline {
    max-width: none;
  }

  .site-footer__nav {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: 100%;
    max-width: none;
    justify-content: stretch;
    gap: 22px 28px;
  }

  .site-footer__heading {
    margin: 0 0 8px;
  }

  .site-footer__links li + li {
    margin-top: 5px;
  }
}

@media (max-width: 480px) {
  .site-footer__inner {
    padding: 20px var(--layout-gutter) 10px;
  }

  .site-footer__nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 16px;
  }

  .site-footer__bottom {
    gap: 8px;
    padding-top: 10px;
  }
}

@media (min-width: 1600px) {
  .site-footer__nav {
    max-width: 760px;
    gap: 28px 72px;
  }
}

@media (min-width: 2200px) {
  .site-footer__nav {
    max-width: 860px;
    gap: 32px 88px;
  }
}