/* ==========================================================================
   Footer — Edge Pharma
   Reused as-is on every page. Dark, four-column layout with a divider and
   a bottom copyright/legal bar.
   ========================================================================== */

.footer {
  background-color: #0d1b2a;
  color: var(--color-white);
  padding: 80px 0 30px;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms var(--ease-default), transform 600ms var(--ease-default);
}

.footer.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .footer {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------------------------------------------------------------------
   Columns — mobile-first (1 → 2 → 4), centered on mobile
   --------------------------------------------------------------------- */

.footer__top {
  display: grid;
  gap: var(--space-8);
  grid-template-columns: repeat(1, 1fr);
}

.footer__col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  text-align: center;
}

@media (min-width: 768px) {
  .footer__top {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__col {
    align-items: flex-start;
    text-align: left;
  }
}

@media (min-width: 992px) {
  .footer__top {
    grid-template-columns: repeat(4, 1fr);
    gap: 60px;
  }
}

/* ---------------------------------------------------------------------
   Column 1 — Brand + description + social
   --------------------------------------------------------------------- */

.footer__brand {
  display: inline-flex;
  flex-direction: column;
  line-height: 1.05;
}

.footer__brand-primary {
  font-size: 18px;
  font-weight: var(--fw-extrabold);
  letter-spacing: 0.06em;
  color: var(--color-white);
}

.footer__brand-secondary {
  font-size: 10px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.34em;
  color: rgba(255, 255, 255, 0.7);
}

.footer__description {
  max-width: 320px;
  font-size: var(--fs-body-sm);
  line-height: var(--lh-relaxed);
  color: rgba(255, 255, 255, 0.7);
}

.footer__social {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.footer__social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--color-white);
  transition: background-color 250ms var(--ease-default),
              transform 250ms var(--ease-default);
}

.footer__social-link:hover,
.footer__social-link:focus-visible {
  background-color: var(--color-primary);
  transform: translateY(-2px);
}

.footer__social-link:focus-visible {
  outline: 2px solid var(--color-white);
  outline-offset: 2px;
}

/* ---------------------------------------------------------------------
   Column headings + link lists (Quick Links / Therapeutic Areas)
   --------------------------------------------------------------------- */

.footer__heading {
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  color: var(--color-white);
}

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

.footer__link {
  display: inline-flex;
  color: rgba(255, 255, 255, 0.7);
  transition: color 250ms var(--ease-default), transform 250ms var(--ease-default);
}

.footer__link:hover,
.footer__link:focus-visible {
  color: var(--color-primary);
  transform: translateX(4px);
}

.footer__link:focus-visible {
  outline: 2px solid var(--color-white);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ---------------------------------------------------------------------
   Column 4 — Contact
   --------------------------------------------------------------------- */

.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);
  font-size: var(--fs-body-sm);
  line-height: var(--lh-normal);
  color: rgba(255, 255, 255, 0.7);
  text-align: left;
}

.footer__contact-icon {
  display: inline-flex;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-primary);
}

.footer__contact-link {
  color: inherit;
  transition: color 250ms var(--ease-default);
}

.footer__contact-link:hover,
.footer__contact-link:focus-visible {
  color: var(--color-white);
}

.footer__contact-link:focus-visible {
  outline: 2px solid var(--color-white);
  outline-offset: 2px;
}

/* ---------------------------------------------------------------------
   Divider + Bottom bar
   --------------------------------------------------------------------- */

.footer__divider {
  height: 1px;
  margin-top: var(--space-11); /* 64px */
  background-color: rgba(255, 255, 255, 0.1);
}

.footer__bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  margin-top: var(--space-7);
  text-align: center;
}

.footer__copyright {
  font-size: var(--fs-body-sm);
  color: rgba(255, 255, 255, 0.7);
}

.footer__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-5);
}

.footer__legal-link {
  font-size: var(--fs-body-sm);
  color: rgba(255, 255, 255, 0.7);
  transition: color 250ms var(--ease-default);
}

.footer__legal-link:hover,
.footer__legal-link:focus-visible {
  color: var(--color-white);
}

.footer__legal-link:focus-visible {
  outline: 2px solid var(--color-white);
  outline-offset: 2px;
}

@media (min-width: 992px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}