/*
  Shared section footer.
  Structure and breakpoints intentionally mirror Geography/css/continent-footer.css.
*/
.studyhub-site-footer {
  --section-footer-accent: var(--accent, var(--saffron, var(--teal, #0b7768)));
  --section-footer-bg: var(--paper-2, var(--paper2, var(--bg2, var(--sidebar-bg, var(--card, #eef3f1)))));
  --section-footer-ink: var(--ink, var(--text, var(--text-primary, #18211e)));
  --section-footer-soft: var(--ink-soft, var(--ink2, var(--text-secondary, #43514c)));
  --section-footer-faint: var(--ink-faint, var(--ink3, var(--text-secondary, #6b7873)));
  --section-footer-line: var(--line, var(--border2, var(--border, rgba(24, 33, 30, .16))));
  --section-footer-line-soft: var(--line-soft, var(--border, rgba(24, 33, 30, .10)));

  position: relative;
  z-index: 220;
  isolation: isolate;
  display: block;
  clear: both;
  width: 100%;
  max-width: none;
  margin: 48px 0 0;
  padding: 0;
  border: 0;
  border-top: 3px solid var(--section-footer-accent);
  background: var(--section-footer-bg);
  color: var(--section-footer-soft);
  text-align: left;
  opacity: 1;
  visibility: visible;
  transform: none;
  animation: none;
  font-family: inherit;
}

.studyhub-footer-inner {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 40px clamp(18px, 4vw, 48px) 0;
}

.studyhub-footer-grid {
  display: grid;
  grid-template-columns: minmax(240px, 1.4fr) minmax(170px, 1.05fr) repeat(2, minmax(140px, .85fr));
  gap: clamp(28px, 4vw, 54px);
  align-items: start;
}

.studyhub-site-footer section { min-width: 0; }

.studyhub-footer-brand {
  padding-right: clamp(10px, 2vw, 30px);
  border-right: 1px solid var(--section-footer-line);
}

.studyhub-footer-brand-link {
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  color: var(--section-footer-ink);
  text-decoration: none;
}

.studyhub-footer-brand-name {
  color: var(--section-footer-ink);
  font-size: 21px;
  font-weight: 800;
  line-height: 1.2;
}

.studyhub-footer-brand-section {
  color: var(--section-footer-accent);
  font-family: 'JetBrains Mono', 'DM Mono', monospace;
  font-size: 11px;
  font-weight: 700;
}

.studyhub-footer-brand p {
  max-width: 310px;
  margin: 13px 0 0;
  color: var(--section-footer-soft);
  font-size: 13px;
  line-height: 1.7;
}

.studyhub-footer-exams {
  display: block;
  margin-top: 10px;
  color: var(--section-footer-faint);
  font-family: 'JetBrains Mono', 'DM Mono', monospace;
  font-size: 9.5px;
  font-weight: 700;
}

.studyhub-footer-next {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2px 12px;
  align-items: center;
  margin-top: 20px;
  padding: 15px 0 0;
  border-top: 1px solid var(--section-footer-line-soft);
  color: var(--section-footer-soft);
  text-decoration: none;
}

.studyhub-footer-next span:first-child {
  color: var(--section-footer-faint);
  font-size: 10px;
  line-height: 1.4;
}

.studyhub-footer-next strong {
  color: var(--section-footer-ink);
  font-size: 13px;
  line-height: 1.45;
}

.studyhub-footer-next-arrow {
  grid-column: 2;
  grid-row: 1 / span 2;
  color: var(--section-footer-accent);
  font-size: 18px;
  transition: transform .18s ease;
}

.studyhub-footer-next:hover .studyhub-footer-next-arrow,
.studyhub-footer-next:focus-visible .studyhub-footer-next-arrow { transform: translateX(3px); }

.studyhub-footer-group h2 {
  margin: 2px 0 12px;
  color: var(--section-footer-ink);
  font-family: 'Hind', 'Noto Sans Devanagari', sans-serif;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1.4;
}

.studyhub-footer-links {
  display: flex;
  flex-direction: column;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.studyhub-site-footer .studyhub-footer-links li {
  margin: 0;
  padding: 0;
  list-style: none;
}

.studyhub-site-footer .studyhub-footer-links a {
  position: relative;
  display: block;
  width: auto;
  max-width: 100%;
  margin: 0;
  padding: 5px 14px 5px 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--section-footer-soft);
  font-size: 12.5px;
  font-weight: 400;
  line-height: 1.45;
  text-decoration: none;
  box-shadow: none;
  transform: none;
  transition: color .18s ease, padding-left .18s ease;
}

.studyhub-site-footer .studyhub-footer-links a::after {
  content: '›';
  position: absolute;
  right: 2px;
  color: var(--section-footer-accent);
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity .18s ease, transform .18s ease;
}

.studyhub-site-footer .studyhub-footer-links a:hover,
.studyhub-site-footer .studyhub-footer-links a:focus-visible {
  padding-left: 0;
  color: var(--section-footer-accent);
  outline: none;
  background: transparent;
  box-shadow: none;
  transform: none;
}

.studyhub-site-footer .studyhub-footer-links a:hover::after,
.studyhub-site-footer .studyhub-footer-links a:focus-visible::after {
  opacity: 1;
  transform: none;
}

.studyhub-site-footer .studyhub-footer-links a[aria-current='page'] {
  margin-left: -10px;
  padding-left: 8px;
  border-left: 2px solid var(--section-footer-accent);
  color: var(--section-footer-accent);
  font-weight: 700;
}

.studyhub-footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin-top: 34px;
  padding: 17px 0 20px;
  border-top: 1px solid var(--section-footer-line);
  color: var(--section-footer-faint);
  font-family: 'JetBrains Mono', 'DM Mono', monospace;
  font-size: 9.5px;
  line-height: 1.6;
}

@media (max-width: 900px) {
  .studyhub-footer-grid {
    grid-template-columns: minmax(220px, 1.2fr) repeat(3, minmax(115px, 1fr));
    gap: 24px;
  }
}

@media (max-width: 760px) {
  .studyhub-site-footer { margin-top: 34px; text-align: left; }
  .studyhub-footer-inner { padding: 31px 20px 0; }
  .studyhub-footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 30px; }
  .studyhub-footer-brand { grid-column: 1 / -1; padding: 0 0 24px; border-right: 0; border-bottom: 1px solid var(--section-footer-line); }
  .studyhub-footer-brand p { max-width: 540px; }
  .studyhub-footer-group:last-child { grid-column: 1 / -1; }
  .studyhub-footer-group:last-child .studyhub-footer-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 24px; }
}

@media (max-width: 520px) {
  .studyhub-footer-inner { padding: 27px 16px 0; }
  .studyhub-footer-grid { grid-template-columns: 1fr; gap: 25px; }
  .studyhub-footer-brand,
  .studyhub-footer-group:last-child { grid-column: auto; }
  .studyhub-footer-group:last-child .studyhub-footer-links { display: flex; }
  .studyhub-footer-bottom { flex-direction: column; gap: 5px; margin-top: 27px; }
}

@media (prefers-reduced-motion: reduce) {
  .studyhub-footer-next-arrow,
  .studyhub-site-footer .studyhub-footer-links a,
  .studyhub-site-footer .studyhub-footer-links a::after { transition: none; }
}

@media print { .studyhub-site-footer { display: none !important; } }