/* ==================================
   16. FOOTER & FLOATING BUTTONS
================================== */
.footer { background: var(--deep); color: rgba(255, 255, 255, 0.78); padding-top: 70px; }
.footer-grid { display: grid; gap: 34px; padding-bottom: 40px; }
.footer .logo { display: inline-block; margin-bottom: 14px; }
.footer p { line-height: 1.7; margin-bottom: 18px; }
.footer-col h3 { color: var(--white); font-family: var(--ff-display); text-transform: uppercase; font-size: 1rem; margin-bottom: 18px; }
.footer-list { display: grid; gap: 10px; }
.footer-list a, .footer-list span { display: inline-flex; align-items: center; gap: 8px; color: rgba(255, 255, 255, 0.75); transition: var(--transition-fast); }
.footer-list a:hover { color: var(--gold); }
.footer-list ion-icon { color: var(--gold); }
.footer .social-link { background: rgba(255, 255, 255, 0.08); color: var(--white); border: none; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding: 18px 0; text-align: center; font-size: 0.9rem; }

.whatsapp-float {
  position: fixed; right: 18px; bottom: 18px; width: 54px; height: 54px; display: grid; place-items: center;
  border-radius: 50%; background: var(--whatsapp); color: var(--white); font-size: 1.7rem;
  box-shadow: var(--shadow-lg); z-index: 900; transition: var(--transition-fast);
}
.whatsapp-float:hover { transform: translateY(-3px); }
.back-top-btn {
  position: fixed; right: 18px; bottom: 84px; width: 46px; height: 46px; display: grid; place-items: center;
  border-radius: 50%; background: var(--orange); color: var(--white); font-size: 1.2rem;
  box-shadow: var(--shadow-md); opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: var(--transition-fast); z-index: 800;
}
.back-top-btn.active { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top-btn:hover { background: var(--gold); }

/* Footer Logo Sizing (Slightly larger) */
.footer .logo-img {
  height: 64px;
  width: auto;
  max-width: 220px;
  filter: brightness(0) invert(1); /* Makes a dark logo turn white for the dark footer */
}