/* Reveal on scroll */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* Scroll indicator */
.scroll-indicator{position:absolute;bottom:2rem;left:50%;transform:translateX(-50%);z-index:2;width:26px;height:44px;border:1px solid rgba(201,169,110,.6);border-radius:14px;display:flex;justify-content:center;padding-top:8px}
.scroll-indicator span{width:3px;height:8px;border-radius:2px;background:var(--color-gold);animation:scrollDot 1.8s infinite ease}
@keyframes scrollDot{0%{transform:translateY(0);opacity:1}70%{transform:translateY(16px);opacity:0}100%{transform:translateY(0);opacity:0}}

/* Shimmer sutil no dourado do hero */
.btn-gold{position:relative;overflow:hidden}
.btn-gold::after{content:'';position:absolute;top:0;left:-80%;width:50%;height:100%;background:linear-gradient(110deg,transparent,rgba(255,255,255,.28),transparent);transform:skewX(-20deg);animation:shimmer 4.5s infinite}
@keyframes shimmer{0%,72%{left:-80%}100%{left:140%}}

@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .scroll-indicator span,.btn-gold::after{animation:none}
  html{scroll-behavior:auto}
}