/* ==========================================================================
   06-FOOTER.CSS
   Adım 6/6 — Footer (Alt Bilgi) Tasarım Sistemi
   --------------------------------------------------------------------------
   Gazete baskı estetiğine uygun, modern, 4 sütunlu premium footer tasarımı.
   ========================================================================== */

.footer {
  background-color: var(--color-bg-inverse);
  color: var(--color-text-on-inverse);
  padding-top: var(--space-8);
  padding-bottom: var(--space-6);
  border-top: 4px solid var(--color-accent-press);
  margin-top: auto;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

@media (min-width: 640px) {
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer__grid {
    grid-template-columns: 2fr 1.2fr 1.2fr 1.6fr;
  }
}

.footer__col {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer__logo {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: -0.01em;
}

.footer__logo-accent {
  color: var(--color-accent-press);
}

.footer__logo-img {
  height: 60px;
  width: auto;
  display: block;
  margin-bottom: var(--space-2);
}

.footer__desc {
  font-size: var(--text-sm);
  color: var(--color-text-on-inverse);
  opacity: 0.75;
  line-height: 1.6;
}

.footer__title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #FFFFFF;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  padding-bottom: var(--space-2);
}

.footer__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer__link {
  font-size: var(--text-sm);
  color: var(--color-text-on-inverse);
  opacity: 0.75;
  transition: opacity var(--duration-fast) var(--ease-fluid), transform var(--duration-fast) var(--ease-fluid);
  display: inline-flex;
  align-items: center;
}

.footer__link:hover {
  opacity: 1;
  color: var(--color-accent-press);
  transform: translateX(4px);
}

.footer__socials {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.footer__social-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background-color: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  transition: background-color var(--duration-fast) var(--ease-fluid), color var(--duration-fast) var(--ease-fluid);
}

.footer__social-btn:hover {
  background-color: var(--color-accent-press);
  color: #FFFFFF;
}

.footer__social-btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-on-inverse);
  opacity: 0.6;
}

@media (min-width: 768px) {
  .footer__bottom {
    flex-direction: row;
  }
}