.sticky-cta{position:fixed;bottom:0;left:0;right:0;z-index:50;background-color:var(--header-bg);padding:1rem;box-shadow:0 -4px 20px rgba(0,0,0,.5);transform:translateY(100%);transition:transform .3s ease}.sticky-cta.visible{transform:translateY(0)}.sticky-cta-button{width:100%;min-height:50px;font-size:1.1rem;font-weight:700}@media (min-width:769px){.sticky-cta{display:none}}