/**
 * ADCAM DIGITAL — FOOTER (PREMIUM LIGHT CORPORATE)
 * css/footer.css
 *
 * Light corporate site footer with verified business details,
 * compact 2-column mobile grid, and NextLab Innovations partnership strip.
 */

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

/* Desktop Multi-Column Layout */
.footer-top {
  display: grid;
  grid-template-columns: 1.35fr 2fr;
  gap: var(--space-12);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid var(--color-border);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-brand__logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.footer-brand__logo:hover {
  transform: translateY(-1px);
  opacity: 0.95;
}

.footer-brand__img {
  height: 76px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
  display: block;
  border-radius: var(--radius-lg);
  box-shadow: 0 2px 8px rgba(11, 18, 32, 0.06);
}

.footer-brand__desc {
  font-size: var(--text-body-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 340px;
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-body-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.footer-contact-icon {
  width: 18px;
  height: 18px;
  min-width: 18px;
  color: var(--color-accent-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
  flex-shrink: 0;
}

.footer-contact-icon svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  display: block;
}

.footer-contact-item a {
  color: var(--color-text-primary);
  font-weight: var(--weight-medium);
  transition: color var(--transition-fast);
  text-decoration: none;
}

.footer-contact-item a:hover {
  color: var(--color-accent-primary);
}

/* ============================================================
 * NAVIGATION LINKS GRID (Desktop: 3 cols; Mobile: 2 cols side-by-side)
 * ============================================================ */

.footer-links-grid {
  display: grid;
  grid-template-columns: 1fr 1.35fr 1fr;
  gap: var(--space-8);
}

.footer-col {
  display: flex;
  flex-direction: column;
}

.footer-col__heading {
  font-size: var(--text-label);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-text-heading);
  margin-bottom: var(--space-4);
}

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

.footer-col__link {
  font-size: var(--text-body-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.footer-col__link:hover {
  color: var(--color-accent-primary);
  transform: translateX(2px);
}

/* ============================================================
 * NEXTLAB PARTNER STRIP
 * ============================================================ */

.footer-partner-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.footer-partner-strip__left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer-partner-strip__label {
  font-size: var(--text-label);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-accent-secondary);
}

.footer-partner-strip__separator {
  width: 1px;
  height: 18px;
  background: var(--color-border-strong);
}

.footer-partner-strip__logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  padding: var(--space-1) var(--space-3);
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.footer-partner-strip__logo:hover {
  border-color: var(--color-accent-secondary);
  box-shadow: var(--shadow-sm);
}

.footer-partner-strip__logo img {
  height: 22px;
  width: auto;
  max-width: 110px;
  object-fit: contain;
}

.footer-partner-strip__name {
  font-size: var(--text-body-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
}

.footer-partner-strip__link {
  font-size: var(--text-caption);
  color: var(--color-accent-primary);
  font-weight: var(--weight-medium);
}

/* ============================================================
 * FOOTER BOTTOM BAR
 * ============================================================ */

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-6);
  gap: var(--space-6);
  flex-wrap: wrap;
}

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

.footer-bottom__links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.footer-bottom__link {
  font-size: var(--text-body-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* ============================================================
 * TABLET RESPONSIVE (768px – 1024px)
 * ============================================================ */

@media (max-width: 1024px) {
  .site-footer {
    padding-top: var(--space-12);
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: var(--space-8);
    padding-bottom: var(--space-8);
  }
  .footer-links-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
  }
}

/* ============================================================
 * MOBILE RESPONSIVE (<= 768px)
 * Compact 2-column grid: Company & Services SIDE-BY-SIDE
 * ============================================================ */

@media (max-width: 768px) {
  .site-footer {
    padding-top: var(--space-10);
    padding-bottom: var(--space-6);
  }

  .footer-top {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
    padding-bottom: var(--space-6);
  }

  .footer-brand__img {
    height: 64px;
  }

  /* Compact 2-Column Mobile Links Grid: Row 1 = Company | Services */
  .footer-links-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-6) var(--space-5);
  }

  .footer-col--legal {
    grid-column: 1 / -1;
    padding-top: var(--space-3);
    border-top: 1px dashed var(--color-border);
  }

  .footer-col--legal .footer-col__list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-4);
  }

  .footer-partner-strip {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4) 0;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
    padding-top: var(--space-4);
  }
}

/* Very narrow mobile devices (<= 360px) */
@media (max-width: 360px) {
  .footer-links-grid {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }
  .footer-col--legal .footer-col__list {
    flex-direction: column;
    gap: var(--space-2);
  }
}