/* ==========================================================================
   COMPONENT: Footer
   Dark green background, 4-column layout
   ========================================================================== */

/* ------------------------------------------------------------------
   FOOTER BASE
   ------------------------------------------------------------------ */

.site-footer {
  background-color: var(--color-primary);
  color: rgba(209, 250, 229, 0.70);
  padding: var(--space-16) 0 var(--space-8);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

/* ------------------------------------------------------------------
   GRID — 4 columns, brand column wider
   ------------------------------------------------------------------ */

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

/* ------------------------------------------------------------------
   BRAND COLUMN
   ------------------------------------------------------------------ */

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  padding-right: var(--space-8);
}

.footer__logo {
  text-decoration: none;
  display: inline-flex;
  align-self: flex-start;
}

.footer__logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-style: italic;
  font-weight: 400;
  color: #ECFDF5;
}

.footer__logo-img {
  height: 32px;
  width: auto;
}

.footer__logo:hover .footer__logo-text {
  opacity: 0.85;
}

.footer__tagline {
  font-size: var(--text-body-md);
  line-height: var(--text-body-lg-lh);
  color: rgba(209, 250, 229, 0.55);
  max-width: 32ch;
}

/* ------------------------------------------------------------------
   NAV COLUMNS
   ------------------------------------------------------------------ */

.footer__col {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.footer__col-title {
  color: rgba(209, 250, 229, 0.50);
  letter-spacing: var(--text-label-sm-tracking);
  text-transform: uppercase;
}

.footer__nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__nav-list li a {
  font-family: var(--font-body);
  font-size: var(--text-body-lg);
  color: rgba(209, 250, 229, 0.70);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-default);
}

.footer__nav-list li a:hover {
  color: #ECFDF5;
}

/* ------------------------------------------------------------------
   COPYRIGHT
   ------------------------------------------------------------------ */

.footer__bottom {
  margin-top: var(--space-12);
  padding-top: var(--space-6);
}

.footer__copyright {
  color: rgba(209, 250, 229, 0.35);
  text-transform: uppercase;
  letter-spacing: var(--text-label-sm-tracking);
  font-size: var(--text-label-sm);
}

/* ------------------------------------------------------------------
   RESPONSIVE
   ------------------------------------------------------------------ */

@media (max-width: 1024px) {
  .footer__grid {
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: var(--space-8);
  }

  /* Stack social under support on tablet */
  .footer__brand {
    grid-column: 1 / -1;
    padding-right: 0;
    max-width: 400px;
  }

  .footer__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .site-footer {
    padding: var(--space-12) 0 var(--space-6);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  }

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

  .footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 480px) {
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer__bottom {
    margin-top: var(--space-8);
  }
}