/* ═══════════════════════════════════════════════════════════════
   ছাত্রকন্ঠ — Footer
   footer.css
═══════════════════════════════════════════════════════════════ */

.ckfooter {
  background: #0f0f0e;
  color: #b8b4aa;
  font-family: var(--ck-font-ui);
  margin-top: auto;
}

.ckfooter__accent-bar {
  height: 3px;
  background: linear-gradient(90deg, var(--ck-accent) 0%, var(--ck-gold) 50%, var(--ck-accent) 100%);
}

.ckfooter__main {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  padding: 3.5rem 0 2.5rem;
}

/* Brand column */
.ckfooter__logo {
  height: 48px;
  width: auto;
  object-fit: contain;
  /* invert logo for dark background if needed */
  filter: brightness(1) invert(0);
  opacity: .9;
  margin-bottom: 1rem;
}
.ckfooter__desc {
  font-size: .84rem;
  line-height: 1.8;
  color: #727068;
  max-width: 28ch;
  margin-bottom: 1.4rem;
}
.ckfooter__social {
  display: flex;
  gap: .55rem;
}
.ckfooter__social-btn {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid #2a2a28;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #666;
  transition: border-color var(--ck-transition), color var(--ck-transition), background var(--ck-transition);
}
.ckfooter__social-btn:hover {
  border-color: var(--ck-accent);
  color: var(--ck-accent);
  background: rgba(181,39,29,.08);
}
.ckfooter__social-btn svg { width: 15px; height: 15px; }

/* Link columns */
.ckfooter__col-title {
  font-size: .62rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1.1rem;
  padding-bottom: .65rem;
  border-bottom: 1px solid #1f1f1d;
}
.ckfooter__col-links {
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.ckfooter__col-links a {
  font-size: .83rem;
  color: #727068;
  line-height: 1.4;
  transition: color var(--ck-transition), padding-left var(--ck-transition);
}
.ckfooter__col-links a:hover { color: #ccc; padding-left: .3rem; }

/* Tag cloud */
.ckfooter__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .38rem;
}
.ckfooter__tag {
  font-size: .7rem;
  color: #666;
  border: 1px solid #222;
  padding: .2rem .6rem;
  border-radius: 2px;
  transition: color var(--ck-transition), border-color var(--ck-transition);
}
.ckfooter__tag:hover { color: #bbb; border-color: #555; }

/* Bottom bar */
.ckfooter__bottom {
  border-top: 1px solid #1a1a18;
  padding: 1.1rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.ckfooter__copy {
  font-size: .73rem;
  color: #555;
}
.ckfooter__copy strong { color: #999; }
.ckfooter__bottom-links {
  display: flex;
  gap: 1.25rem;
}
.ckfooter__bottom-links a {
  font-size: .73rem;
  color: #555;
  transition: color var(--ck-transition);
}
.ckfooter__bottom-links a:hover { color: #999; }

/* Responsive */
@media (max-width: 960px) {
  .ckfooter__main { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (max-width: 560px) {
  .ckfooter__main { grid-template-columns: 1fr; gap: 1.8rem; padding: 2.5rem 0 2rem; }
  .ckfooter__bottom { flex-direction: column; text-align: center; }
}