/* 1) Lebdenje kutijice + senka koja prati visinu */
.hero-float {
	animation: heroFloat 5.5s ease-in-out infinite;
	will-change: transform;
}
@keyframes heroFloat {
	0%, 100% { transform: translate3d(0, 0, 0); }
	50% { transform: translate3d(0, -14px, 0); }
}
.hero-shadow {
	animation: heroShadow 5.5s ease-in-out infinite;
	transform-origin: center;
}
@keyframes heroShadow {
	0%, 100% { transform: scale(1); opacity: 1; }
	50% { transform: scale(0.82); opacity: 0.55; }
}

/* 2) Odsjaj svetla, isecen po obliku kutijice (maska se postavlja iz JS-a) */
.hero-sheen {
	opacity: 0;
	background: radial-gradient(
		circle at var(--sheen-x, 32%) var(--sheen-y, 26%),
		rgba(255, 255, 255, 0.5) 0%,
		rgba(255, 255, 255, 0.16) 16%,
		rgba(255, 255, 255, 0) 38%
	);
	mix-blend-mode: screen;
	-webkit-mask-size: 100% 100%;
	mask-size: 100% 100%;
	-webkit-mask-repeat: no-repeat;
	mask-repeat: no-repeat;
	transition: opacity 0.6s ease;
}
.hero-sheen.is-ready {
	opacity: 0.45;
}
.hero-sheen.is-ready.is-active {
	opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
	.hero-float,
	.hero-shadow {
		animation: none;
	}
}