/* ==========================================
   SCROLL REVEAL ANIMATIONS
   Adds staggered fade-in animations to page
   sections as they enter the viewport.
   ========================================== */

/* Base state - hidden, shifted down */
.reveal {
	opacity: 0;
	transform: translateY(40px);
	transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Revealed state */
.reveal.revealed {
	opacity: 1;
	transform: translateY(0);
}

/* Variant: slide from left */
.reveal-left {
	opacity: 0;
	transform: translateX(-40px);
	transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.reveal-left.revealed {
	opacity: 1;
	transform: translateX(0);
}

/* Variant: slide from right */
.reveal-right {
	opacity: 0;
	transform: translateX(40px);
	transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.reveal-right.revealed {
	opacity: 1;
	transform: translateX(0);
}

/* Variant: scale up */
.reveal-scale {
	opacity: 0;
	transform: scale(0.92);
	transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.reveal-scale.revealed {
	opacity: 1;
	transform: scale(1);
}

/* Stagger delays for child elements */
.reveal-stagger > .reveal:nth-child(1),
.reveal-stagger > .reveal-left:nth-child(1),
.reveal-stagger > .reveal-right:nth-child(1) { transition-delay: 0s; }
.reveal-stagger > .reveal:nth-child(2),
.reveal-stagger > .reveal-left:nth-child(2),
.reveal-stagger > .reveal-right:nth-child(2) { transition-delay: 0.1s; }
.reveal-stagger > .reveal:nth-child(3),
.reveal-stagger > .reveal-left:nth-child(3),
.reveal-stagger > .reveal-right:nth-child(3) { transition-delay: 0.2s; }
.reveal-stagger > .reveal:nth-child(4),
.reveal-stagger > .reveal-left:nth-child(4),
.reveal-stagger > .reveal-right:nth-child(4) { transition-delay: 0.3s; }
.reveal-stagger > .reveal:nth-child(5),
.reveal-stagger > .reveal-left:nth-child(5),
.reveal-stagger > .reveal-right:nth-child(5) { transition-delay: 0.4s; }
.reveal-stagger > .reveal:nth-child(6),
.reveal-stagger > .reveal-left:nth-child(6),
.reveal-stagger > .reveal-right:nth-child(6) { transition-delay: 0.5s; }

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
	.reveal, .reveal-left, .reveal-right, .reveal-scale {
		opacity: 1;
		transform: none;
		transition: none;
	}
}