/* ══════════════════════════════════════════════════════════
   FOOTER.CSS — Dark Footer with Grid Layout
   Dark-dominant PlugJolt theme
   ══════════════════════════════════════════════════════════ */

.footer {
  background-color: var(--section-alt);
  color: var(--text-tertiary);
  padding: var(--space-16) 0 0;
}

.footer__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  padding-bottom: var(--space-12);
}

/* ── BRAND ── */
.footer__brand-name {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: var(--weight-regular);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.footer__brand-name .nav__wordmark-plug {
  color: var(--white);
}

.footer__brand-name .nav__wordmark-jolt {
  color: var(--volt-green);
}

.footer__logo {
  height: 40px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
}

.footer__brand-tagline {
  font-family: var(--font-body);
  font-size: var(--size-sm);
  color: var(--nardo-gray);
  line-height: var(--leading-relaxed);
}

/* ── COLUMNS ── */
.footer__heading {
  font-family: var(--font-body);
  font-size: var(--size-xs);
  font-weight: var(--weight-medium);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: var(--space-4);
}

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

.footer__link {
  font-family: var(--font-body);
  font-size: var(--size-sm);
  color: var(--nardo-gray);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer__link:hover {
  color: var(--volt-green);
}

/* ── BOTTOM BAR ── */
.footer__bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-6) 0;
  border-top: 1px solid var(--border-subtle);
}

.footer__copyright {
  font-family: var(--font-body);
  font-size: var(--size-xs);
  color: var(--text-tertiary);
}

.footer__tagline {
  font-family: var(--font-body);
  font-size: var(--size-xs);
  color: var(--text-tertiary);
  font-style: italic;
}

/* ── RESPONSIVE ── */
@media (min-width: 769px) {
  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-12);
  }

  .footer__inner {
    padding: 0 var(--space-8);
  }

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

@media (min-width: 1280px) {
  .footer__inner {
    padding: 0 var(--space-12);
  }
}

@media (max-width: 768px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .footer__inner {
    padding: 0 var(--space-4);
  }

  .footer__link {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    padding: 8px 0;
  }
}

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