/* VCX 4-column footer styles (P02 Step 2.3 / ADR-006)
 * Applies only when vcx-footer.js adds .footer-grid--dual.
 * Original .footer-grid-extended rules still apply as base layer;
 * these rules override grid structure + column headers. */

/* --- Grid layout --------------------------------------------------------- */

.footer-grid.footer-grid--dual {
  display: grid;
  grid-template-rows: auto auto;
  gap: 28px;
  align-items: start;
}

/* Company meta stays as its own row on top */
.footer-grid--dual .footer-company {
  grid-column: 1 / -1;
}

/* 4-column row */
.footer-cols.footer-cols--dual {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px;
}

.footer-group--dual {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.footer-group--dual h3 {
  margin: 0 0 4px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.92);
  line-height: 1.2;
}

/* Audience accent strip above the header */
.footer-group--dual h3::before {
  content: '';
  display: block;
  width: 28px;
  height: 2px;
  margin-bottom: 8px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 2px;
}
.footer-group--b2b h3::before {
  background: linear-gradient(90deg, #0ea5a4, rgba(14, 165, 164, 0.3));
}
.footer-group--b2c h3::before {
  background: linear-gradient(90deg, #a7c1e6, rgba(167, 193, 230, 0.3));
}
.footer-group--company h3::before,
.footer-group--legal h3::before {
  background: rgba(255, 255, 255, 0.28);
}

/* Links */
.footer-links--dual {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.footer-links--dual a {
  display: inline-block;
  padding: 3px 0;
  font-size: 0.88rem;
  line-height: 1.35;
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
  transition: color 0.15s ease;
}
.footer-links--dual a:hover,
.footer-links--dual a:focus-visible {
  color: #ffffff;
  text-decoration: underline;
  text-underline-offset: 3px;
  outline: none;
}

/* --- Responsive --------------------------------------------------------- */

@media (max-width: 1020px) {
  .footer-cols.footer-cols--dual {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
}

@media (max-width: 560px) {
  .footer-cols.footer-cols--dual {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .footer-grid.footer-grid--dual {
    gap: 20px;
  }
  .footer-group--dual h3 {
    font-size: 0.74rem;
  }
}

/* --- Light-theme guard --------------------------------------------------
 * Some pages load the footer on a light card background. Keep legibility. */

body[data-audience="shared"] .footer-group--dual h3,
body[data-audience="b2b"]    .footer-group--dual h3,
body[data-audience="b2c"]    .footer-group--dual h3 {
  color: inherit;
}
body[data-audience="shared"] .footer-links--dual a,
body[data-audience="b2b"]    .footer-links--dual a,
body[data-audience="b2c"]    .footer-links--dual a {
  color: inherit;
  opacity: 0.82;
}
body[data-audience="shared"] .footer-links--dual a:hover,
body[data-audience="b2b"]    .footer-links--dual a:hover,
body[data-audience="b2c"]    .footer-links--dual a:hover {
  opacity: 1;
}
/* If existing footer uses dark palette (default), inherit won't override
 * the light-palette lines above — original .footer rules already set
 * white text, so :hover gets full white via existing cascade. */