.marketing-back-top {
  position: fixed; right: 22px; bottom: 22px; z-index: 30;
  border: 1px solid rgba(255,255,255,.18); background: #13291d; color: #fff;
  border-radius: 14px; padding: 12px 15px; display: flex; align-items: center; gap: 7px;
  font-size: 10px; font-weight: 800; box-shadow: 0 16px 38px rgba(19,41,29,.24);
  opacity: 0; visibility: hidden; transform: translateY(15px) scale(.94);
  transition: .25s cubic-bezier(.22,.8,.32,1);
}
.marketing-back-top.visible { opacity: 1; visibility: visible; transform: none; }
.marketing-back-top span { color: #b9e85f; font-size: 17px; }
.reveal-ready { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s cubic-bezier(.22,.8,.32,1); }
.reveal-visible { opacity: 1; transform: none; }
.feature.reveal-ready:nth-child(2), .steps article.reveal-ready:nth-child(2), .plan-grid article.reveal-ready:nth-child(2) { transition-delay: .08s; }
.feature.reveal-ready:nth-child(3), .steps article.reveal-ready:nth-child(3), .plan-grid article.reveal-ready:nth-child(3) { transition-delay: .16s; }
.phone-card { animation: marketingFloat 5s ease-in-out infinite; }
.floating-card { animation: marketingDrift 4.5s ease-in-out infinite; }
.floating-card.nutrients { animation-delay: -2s; }
@keyframes marketingFloat { 0%,100% { transform: rotate(-2deg) translateY(0); } 50% { transform: rotate(-1deg) translateY(-8px); } }
@keyframes marketingDrift { 0%,100% { translate: 0 0; } 50% { translate: 0 -6px; } }
@media (max-width: 560px) {
  .marketing-back-top { right: 13px; bottom: 13px; width: 43px; height: 43px; padding: 0; justify-content: center; font-size: 0; }
  .marketing-back-top span { font-size: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal-ready, .reveal-visible { opacity: 1; transform: none; transition: none; }
  .phone-card, .floating-card { animation: none; }
  .marketing-back-top { transition: none; }
}