/* ============================================================
   TECHBITDEALS — Footer
   ============================================================ */

.site-footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border-default);
  padding-top: var(--space-16);
  padding-bottom: var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

/* --- Footer brand column --- */
.footer-brand {
  max-width: 320px;
}

.footer-brand__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-top: var(--space-4);
  margin-bottom: var(--space-6);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.footer-social__link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  font-size: var(--text-lg);
  transition: all var(--transition-fast);
}

.footer-social__link:hover {
  background: var(--color-accent-primary);
  color: var(--color-text-on-accent);
  border-color: var(--color-accent-primary);
}

/* --- Footer nav columns --- */
.footer-nav__title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-5);
}

.footer-nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-nav__link {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.footer-nav__link:hover {
  color: var(--color-accent-primary);
}

/* --- Newsletter in footer --- */
.footer-newsletter__text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
  line-height: var(--leading-relaxed);
}

.footer-newsletter__form {
  display: flex;
  gap: var(--space-2);
}

.footer-newsletter__input {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-input);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: var(--text-sm);
}

.footer-newsletter__input:focus {
  border-color: var(--color-accent-primary);
  outline: none;
}

/* --- Footer bottom bar --- */
.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border-default);
}

.footer-bottom__copy {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.footer-bottom__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-bottom__link {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.footer-bottom__link:hover {
  color: var(--color-accent-primary);
}

.footer-affiliate-notice {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-4);
  line-height: var(--leading-relaxed);
}

/* Discrete AI-generated content disclaimer */
.footer-ai-disclaimer {
  font-size: 0.65rem;
  color: var(--color-text-muted);
  opacity: 0.55;
  margin-top: var(--space-3);
  line-height: 1.5;
  font-style: italic;
  letter-spacing: 0.01em;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

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

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  }
}