/* ============================================================
   WA UTILITY, FOOTER
   Dark multi-column footer with a bottom utility bar.
   ============================================================ */

.wa-footer {
  background: #16181D;
  margin: 4rem 0 0;
  /* Dark background spans the full viewport; the column content is
     centered inside a 1370px rail. */
  padding: 56px max(28px, calc((100% - 1370px) / 2)) 28px;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  color: #A6ABB5;
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 1rem;
  font-family: 'Mulish', 'Inter', sans-serif;
  font-weight: 900;
  font-size: 1.15rem;
  color: #ffffff;
}
.footer-logo-icon {
  width: 34px;
  height: 34px;
  background: #10B981;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-family: 'Mulish', 'Inter', sans-serif;
  font-weight: 800;
  font-size: 0.75rem;
}
.footer-brand p {
  color: #8A8F99;
  font-size: 0.82rem;
  line-height: 1.65;
  max-width: 260px;
}

.footer-col h2 {
  font-family: 'Mulish', 'Inter', sans-serif;
  font-weight: 800;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1.1px;
  margin: 0 0 1.1rem;
  color: #ffffff;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { list-style: none; margin-bottom: 0.6rem; }
.footer-col a {
  text-decoration: none;
  color: #A6ABB5;
  font-size: 0.82rem;
  font-weight: 500;
  transition: color 0.15s ease;
}
.footer-col a:hover { color: #ffffff; }

/* Bottom bar */
.footer-bottom {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  padding-top: 1.4rem;
  margin-top: 1rem;
  border-top: 1px solid #2A2D35;
  font-size: 0.72rem;
  color: #8A8F99;
}
.footer-lang {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid #3A3E48;
  border-radius: 8px;
  padding: 7px 13px;
  font-family: 'Mulish', 'Inter', sans-serif;
  font-weight: 700;
  font-size: 0.75rem;
  color: #C6CAD2;
}
.footer-lang svg { width: 15px; height: 15px; }
.footer-legal { flex: 1; min-width: 240px; }
.footer-legal strong { color: #C6CAD2; }
.back-to-top {
  display: inline-flex;
  align-items: center;
  padding: 7px 13px;
  border: 1px solid #3A3E48;
  border-radius: 8px;
  color: #C6CAD2;
  font-family: 'Mulish', 'Inter', sans-serif;
  font-weight: 700;
  font-size: 0.75rem;
  text-decoration: none;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.back-to-top:hover { border-color: #10B981; color: #10B981; }

/* ========== RESPONSIVE ========== */
@media (max-width: 1050px) {
  .wa-footer { grid-template-columns: repeat(3, 1fr); }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  .wa-footer { grid-template-columns: 1fr 1fr; padding-top: 40px; gap: 28px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 0.9rem; }
}

/* Footer logo image (dark footer) */
.footer-brand .footer-logo { display: block; }
.footer-logo-img { height: 46px; width: auto; max-width: 220px; display: block; }