/* ==========================================================
   Keyframes & scroll-reveal system
   ========================================================== */

/* --- Keyframes --- */
@keyframes fadeInUp {
	from { opacity: 0; transform: translateY(30px); }
	to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInScale {
	from { opacity: 0; transform: scale(0.95); }
	to   { opacity: 1; transform: scale(1); }
}

@keyframes slideInLeft {
	from { opacity: 0; transform: translateX(-40px); }
	to   { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
	from { opacity: 0; transform: translateX(40px); }
	to   { opacity: 1; transform: translateX(0); }
}

@keyframes float {
	0%, 100% { transform: translateY(0); }
	50%      { transform: translateY(-8px); }
}

@keyframes pulse-soft {
	0%, 100% { transform: scale(1); opacity: 1; }
	50%      { transform: scale(1.05); opacity: 0.9; }
}

@keyframes draw-check {
	0%   { stroke-dashoffset: 50; }
	100% { stroke-dashoffset: 0; }
}

/* --- Scroll-reveal base --- */
.reveal {
	opacity: 0;
	transform: translateY(30px);
	transition:
		opacity var(--dur-slow) var(--ease-out),
		transform var(--dur-slow) var(--ease-out);
}

.reveal--left {
	transform: translateX(-40px);
}

.reveal--right {
	transform: translateX(40px);
}

.reveal--scale {
	transform: scale(0.95);
}

.reveal.is-visible {
	opacity: 1;
	transform: translate(0) scale(1);
}

/* --- Staggered children --- */
.reveal-stagger > .reveal:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger > .reveal:nth-child(2) { transition-delay: 80ms; }
.reveal-stagger > .reveal:nth-child(3) { transition-delay: 160ms; }
.reveal-stagger > .reveal:nth-child(4) { transition-delay: 240ms; }
.reveal-stagger > .reveal:nth-child(5) { transition-delay: 320ms; }
.reveal-stagger > .reveal:nth-child(6) { transition-delay: 400ms; }
.reveal-stagger > .reveal:nth-child(7) { transition-delay: 480ms; }
.reveal-stagger > .reveal:nth-child(8) { transition-delay: 560ms; }

/* --- Reduced motion --- */
@media (prefers-reduced-motion: reduce) {
	.reveal {
		opacity: 1;
		transform: none;
		transition: none;
	}

	.reveal-stagger > .reveal {
		transition-delay: 0ms !important;
	}
}