/* ===================================
   FOOTER — Laborax-inspired dark footer
   =================================== */

.footer {
  background: var(--color-dark);
}

.footer__top {
  padding: var(--space-16) 0 var(--space-12);
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.7fr 1fr 1.2fr 1.4fr;
  gap: var(--space-10);
}

/* Brand */
.footer__logo {
  height: 42px;
  width: auto;
  margin-bottom: var(--space-5);
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.footer__tagline {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.5);
  margin-bottom: var(--space-6);
  max-width: 280px;
}

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

.social-link {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8125rem;
  transition: var(--t-base);
  text-decoration: none;
}

.social-link:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* Columns */
.footer__col h4 {
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.footer__col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__col ul a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.5);
  transition: var(--t-base);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
}

.footer__col ul a:hover {
  color: rgba(255,255,255,0.9);
  padding-left: 4px;
}

.footer__col ul a i {
  font-size: 0.625rem;
  color: var(--color-primary);
  width: 10px;
}

/* Contact info */
.footer__contact-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.footer__contact-item i {
  color: var(--color-primary);
  font-size: 0.875rem;
  margin-top: 3px;
  flex-shrink: 0;
  width: 14px;
}

.footer__contact-item span {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.65;
}

/* Bottom bar */
.footer__bottom {
  padding: var(--space-5) 0;
}

.footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer__copy {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.35);
}

.footer__copy span { color: var(--color-primary); }

.footer__legal {
  display: flex;
  gap: var(--space-5);
}

.footer__legal a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.35);
  transition: var(--t-base);
  text-decoration: none;
}

.footer__legal a:hover { color: rgba(255,255,255,0.7); }

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

@media (max-width: 1024px) {
  .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 580px) {
  .footer__grid { grid-template-columns: 1fr; }
  .footer__brand { grid-column: auto; }
  .footer__bottom-inner { flex-direction: column; text-align: center; }
}