/* ===== FOOTER SHARED ===== */
.footer {
  background: var(--navy, #0f1a2e);
  padding: 4rem 1rem 2rem;
}
.footer-grid {
  display: grid;
  gap: 2.5rem;
  margin-bottom: 3rem;
}
@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (min-width: 992px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}
.footer-logo {
  display: block;
  max-width: 10rem;
  height: auto;
  padding: 1rem 0;
}
.footer h3,
.footer h4 {
  font-family: 'Space Grotesk', sans-serif;
  color: var(--hero-fg, #e6ecf5);
}
.footer h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
}
.footer h4 {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}
.footer .foot-desc {
  font-size: 0.875rem;
  color: var(--hero-muted, #9aa7bd);
  line-height: 1.7;
}
.footer ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  list-style: none;
}
.footer ul li,
.footer ul li a {
  font-size: 0.875rem;
  color: var(--hero-muted, #9aa7bd);
  transition: color 0.2s;
}
.footer ul li a:hover {
  color: var(--hero-fg, #e6ecf5);
}
.footer-scope-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent, #22d3ee);
  margin: 1rem 0 0.5rem;
}
.footer-scope-title:first-of-type {
  margin-top: 0;
}
.footer-bottom {
  border-top: 1px solid rgba(243, 244, 246, 0.1);
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.75rem;
  color: var(--hero-muted, #9aa7bd);
}
.footer-bottom-links {
  display: flex;
  gap: 1rem;
}
.footer-bottom-links a {
  color: var(--hero-muted, #9aa7bd);
  transition: color 0.2s;
}
.footer-bottom-links a:hover {
  color: var(--hero-fg, #e6ecf5);
}
.footer-credits {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.25rem;
  text-align: right;
}
@media (max-width: 767px) {
  .footer-credits {
    align-items: flex-start;
    text-align: left;
  }
}
.footer-dev a {
  color: var(--hero-muted, #9aa7bd);
  transition: color 0.2s;
}
.footer-dev a:hover {
  color: var(--accent, #22d3ee);
}

/* WhatsApp floating action */
.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 999;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5);
  transition: transform 0.2s, box-shadow 0.2s;
}
.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.6);
  color: #fff;
}
@media (min-width: 992px) {
  .whatsapp-float {
    bottom: 5rem;
  }
}
@media (max-width: 320px) {
  .whatsapp-float {
    bottom: 1rem;
    right: 1rem;
    width: 3rem;
    height: 3rem;
  }
  .whatsapp-float svg {
    width: 24px;
    height: 24px;
  }
}