/* Seção #como-participar — grid de 3 steps (mesmo molde de #premios)
 * Elementos decorativos + pulso nos steps mantidos.
 */

.como-participar {
	position: relative;
	z-index: 3;
	width: 100%;
	overflow-x: clip;
	background: linear-gradient(155deg, #009b8e 0%, #006c69 45%, #004849 100%);
	isolation: isolate;
	user-select: none;
	-webkit-user-select: none;
}

.como-participar img {
	-webkit-user-drag: none;
	user-drag: none;
	pointer-events: none;
}

.como-participar__bg {
	position: absolute;
	inset: 0;
	z-index: 0;
	display: block;
}

.como-participar__bg picture,
.como-participar__bg img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center bottom;
}

/* Elementos decorativos — acima do background, abaixo do conteúdo */
.como-participar__elementos {
	display: none;
}

.como-participar__elemento {
	position: absolute;
	width: 14%;
	line-height: 0;
}

.como-participar__elemento picture,
.como-participar__elemento img {
	display: block;
	width: 100%;
	height: auto;
}

.como-participar__elemento--1 img {
	animation: como-participar-elemento-sway 11s ease-in-out infinite;
}

.como-participar__elemento--3 img {
	animation: como-participar-elemento-sway 8s ease-in-out infinite;
	animation-delay: -8.4s;
}

.como-participar__elemento--4 img {
	animation: como-participar-elemento-sway 6s ease-in-out infinite;
	animation-delay: -4.2s;
}

.como-participar__elemento--5 img {
	animation: como-participar-elemento-sway 14s ease-in-out infinite;
	animation-delay: -15.4s;
}

/* Desktop — ~20% para dentro das bordas laterais */
.como-participar__elemento--1 {
	top: 25%;
	left: 18%;
	width: 10%;
	transform: translateY(-50%) scaleX(-1);
}

.como-participar__elemento--3 {
	right: 20%;
	bottom: 7%;
	width: 7%;
}

.como-participar__elemento--4 {
	top: 47%;
	right: 16%;
	width: 6%;
}

.como-participar__elemento--5 {
	left: 20%;
	bottom: 7%;
	width: 8%;
}

@keyframes como-participar-elemento-sway {
	0%, 100% {
		transform: rotate(-15deg) scale(1);
	}
	50% {
		transform: rotate(15deg) scale(0.98);
	}
}

.como-participar__inner {
	position: relative;
	z-index: 2;
	box-sizing: border-box;
	width: min(100%, 1580px);
	margin: 0 auto;
	padding: clamp(2.4rem, 4vw, 4.8rem) var(--space-3) clamp(2.8rem, 5vw, 5.6rem);
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: clamp(1.6rem, 2.8vw, 3.2rem);
}

.como-participar__title {
	position: relative;
	display: inline-block;
	margin: 0;
	padding-bottom: 0.5rem;
	line-height: 1.1;
	text-align: center;
	font-family: var(--font-heading);
	font-size: clamp(2.4rem, 4vw, 3rem);
	font-weight: 800;
	letter-spacing: 0.02em;
	text-transform: uppercase;
	color: var(--color-white);
	/* text-shadow: 0 4px 18px rgba(0, 0, 0, 0.3); */
}

.como-participar__title::after {
	content: "";
	position: absolute;
	left: 0;
	right: 0;
	bottom: 0;
	height: 1px;
	background: var(--color-teal-deep, #004849);
	transform: scaleX(0);
	transform-origin: left center;
	animation: como-participar-title-line 3.2s ease-in-out infinite;
	pointer-events: none;
}

@keyframes como-participar-title-line {
	/* Entra pela esquerda */
	0% {
		transform: scaleX(0);
		transform-origin: left center;
	}
	35% {
		transform: scaleX(1);
		transform-origin: left center;
	}
	/* Mantém visível um instante e troca a origem para sair à direita */
	45% {
		transform: scaleX(1);
		transform-origin: right center;
	}
	80% {
		transform: scaleX(0);
		transform-origin: right center;
	}
	100% {
		transform: scaleX(0);
		transform-origin: right center;
	}
}

.como-participar__title picture,
.como-participar__title img {
	display: block;
	width: min(100%, 450px);
	height: auto;
	margin: 0 auto;
}

.como-participar__grid {
	list-style: none;
	margin: 0;
	padding: 0;
	width: 100%;
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: clamp(1.2rem, 2.4vw, 3.2rem);
	align-items: end;
	justify-items: center;
}

.como-participar__item {
	margin: 0;
	width: 100%;
	max-width: 450px;
	line-height: 0;
	transition: filter 0.28s ease;
}

.como-participar__link {
	display: block;
	line-height: 0;
	text-decoration: none;
	color: inherit;
	cursor: pointer;
}

.como-participar__link:focus-visible {
	outline: none;
}

/* Hover: foca o step ativo e aplica blur nos demais */
.como-participar__grid:has(.como-participar__link:is(:hover, :focus-visible)) .como-participar__item {
	filter: blur(2.5px);
}

.como-participar__grid:has(.como-participar__link:is(:hover, :focus-visible))
	.como-participar__item:has(.como-participar__link:is(:hover, :focus-visible)) {
	filter: none;
}

/* Pausa o pulso enquanto houver hover/focus em qualquer step */
.como-participar__grid:has(.como-participar__link:is(:hover, :focus-visible)) .como-participar__item img {
	animation-play-state: paused;
}

.como-participar__item img {
	display: block;
	width: 100%;
	height: auto;
	transform-origin: center center;
	will-change: transform;
}

.como-participar__item:nth-child(1) img {
	animation: como-participar-item-pulse 5.1s ease-in-out infinite;
}

.como-participar__item:nth-child(2) img {
	animation: como-participar-item-pulse 5.1s ease-in-out infinite;
	animation-delay: 1.7s;
}

.como-participar__item:nth-child(3) img {
	animation: como-participar-item-pulse 5.1s ease-in-out infinite;
	animation-delay: 3.4s;
}

/* Pulso 0.7s + intervalo 1s entre cada um (ciclo 5.1s) — mesmo efeito de #premios */
@keyframes como-participar-item-pulse {
	0% {
		transform: scale(1);
	}
	6.863% {
		transform: scale(1.06);
	}
	13.725% {
		transform: scale(1);
	}
	13.726%,
	100% {
		transform: scale(1);
	}
}

@media (prefers-reduced-motion: reduce) {
	.como-participar__elemento img,
	.como-participar__item img {
		animation: none;
	}

	.como-participar__title::after {
		animation: none;
		transform: scaleX(1);
		transform-origin: left center;
	}
}

/* Desktop */
@media (min-width: 992px) {
	.como-participar {
		min-height: min(92vh, 600px);
		/* min-height: min(92vh, 900px); */
	}

	.como-participar__inner {
		min-height: inherit;
		justify-content: center;
		padding-top: clamp(2.4rem, 4vw, 3rem);
		padding-bottom: clamp(3.2rem, 5vw, 3rem);
		gap: clamp(2rem, 3vw, 3.6rem);
	}

	.como-participar__grid {
		max-width: 1480px;
		gap: clamp(1.2rem, 2.2vw, 2.6rem);
	}
}

/* Mobile — 1|2 lado a lado, 3 full abaixo (mesmo molde de #premios) */
@media (max-width: 991px) {
	.como-participar {
		min-height: calc(100vw * 1920 / 1080);
	}

	.como-participar__bg img {
		object-fit: cover;
		object-position: center top;
	}

	.como-participar__inner {
		box-sizing: border-box;
		width: 100%;
		min-height: inherit;
		justify-content: center;
		padding:
			clamp(2rem, 5.5vw, 3.2rem)
			clamp(1.2rem, 4vw, 2rem)
			clamp(2.4rem, 7vw, 4rem);
		gap: clamp(1.4rem, 3.5vw, 2.4rem);
	}

	.como-participar__title picture,
	.como-participar__title img {
		width: min(72vw, 360px);
	}

	.como-participar__title {
		font-size: clamp(2.4rem, 8vw, 3rem);
	}

	.como-participar__grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
		gap: clamp(0.8rem, 2.4vw, 1.6rem) clamp(0.6rem, 2vw, 1.2rem);
		align-items: start;
		max-width: min(100%, 520px);
	}

	.como-participar__item {
		max-width: none;
	}

	.como-participar__item:nth-child(3) {
		grid-column: 1 / -1;
		width: min(94%, 450px);
		margin-inline: auto;
		margin-top: clamp(0.4rem, 1.5vw, 1rem);
	}
}