.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    z-index: 9999;
    background: rgba(255,255,255,0.05);
}
.scroll-progress-bar {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, #FF6B35, #FFD700);
    transition: width 0.1s;
}
.back-to-top {
    position: fixed;
    bottom: 160px;
    left: 20px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--gold);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: 0.3s;
    z-index: 998;
    font-size: 1rem;
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { background: var(--orange); color: #fff; }
.ripple-container { position: relative; overflow: hidden; }
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.25);
    transform: scale(0);
    animation: rippleAnim 0.6s ease-out;
    pointer-events: none;
}
@keyframes rippleAnim {
    to { transform: scale(4); opacity: 0; }
}
@media (max-width: 768px) {
    .back-to-top { bottom: 140px; }
}