/* eStudyIT global site footer (.es-footer) — 2026-08-01 */

.es-footer {
  background: #17181a;
  color: #b8b8bd;
  padding: 56px 24px 0;
  box-sizing: border-box;
}
.es-footer * { box-sizing: border-box; }
.es-footer-inner { max-width: 1100px; margin: 0 auto; }

.es-footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 40px;
}

.es-footer-brand {
  font-family: "Roboto Slab", Georgia, serif;
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}
.es-footer-brand span { color: #E6393F; }

.es-footer-desc {
  font-size: 14px;
  line-height: 1.6;
  color: #8d8d93;
  margin: 0;
  max-width: 260px;
}

.es-footer-grid h4 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: #fff;
  font-weight: 700;
  margin: 0 0 16px;
}

.es-footer-grid ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.es-footer-grid a {
  color: #b8b8bd;
  text-decoration: none;
  font-size: 14.5px;
  transition: color .15s ease;
}
.es-footer-grid a:hover { color: #E6393F; }

.es-footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 22px 0;
  border-top: 1px solid #2a2a2e;
  font-size: 13px;
  color: #77777c;
}

@media (max-width: 820px) {
  .es-footer-grid { grid-template-columns: 1fr 1fr; row-gap: 32px; }
  .es-footer-desc { max-width: none; }
}
@media (max-width: 520px) {
  .es-footer { padding: 40px 18px 0; }
  .es-footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .es-footer-bottom { flex-direction: column; align-items: flex-start; text-align: left; }
}