/* Galeria Moderna — frontend (marquee infinito) */

.galeria-moderna {
	position: relative;
	background: var(--gm-bg, #000);
	padding: var(--gm-pad-y, 100px) clamp(16px, 4vw, 48px);
	overflow: hidden;
	width: 100%;
	box-sizing: border-box;
}

.galeria-moderna *,
.galeria-moderna *::before,
.galeria-moderna *::after {
	box-sizing: border-box;
}

.galeria-moderna .gm-grid {
	display: grid;
	grid-template-columns: repeat(var(--gm-columns, 3), 1fr);
	gap: var(--gm-gap, 12px);
	max-width: 1280px;
	margin: 0 auto;
	position: relative;
	z-index: 1;
	height: var(--gm-height, 720px);
	overflow: hidden;
	align-items: start;
}

.galeria-moderna .gm-col {
	min-width: 0;
	overflow: hidden;
	height: 100%;
}

.galeria-moderna .gm-track {
	display: flex;
	flex-direction: column;
	gap: var(--gm-gap, 12px);
	will-change: transform;
	backface-visibility: hidden;
	transform: translate3d(0, 0, 0);
}

/* Animação marquee: cada coluna alterna direção.
   O conteúdo é duplicado no HTML, então translateY(-50%) cria loop perfeito. */
.galeria-moderna .gm-col-1 .gm-track,
.galeria-moderna .gm-col-3 .gm-track {
	animation: gm-marquee-up var(--gm-speed, 80s) linear infinite;
}

.galeria-moderna .gm-col-2 .gm-track,
.galeria-moderna .gm-col-4 .gm-track {
	animation: gm-marquee-down var(--gm-speed, 80s) linear infinite;
}

@keyframes gm-marquee-up {
	from { transform: translate3d(0, 0, 0); }
	to   { transform: translate3d(0, -50%, 0); }
}

@keyframes gm-marquee-down {
	from { transform: translate3d(0, -50%, 0); }
	to   { transform: translate3d(0, 0, 0); }
}

/* Pause on hover (opcional via classe) */
.galeria-moderna.gm-pause-hover:hover .gm-track {
	animation-play-state: paused;
}

/* Pausa enquanto o lightbox está aberto */
.galeria-moderna.gm-is-paused .gm-track {
	animation-play-state: paused;
}

.galeria-moderna .gm-item {
	margin: 0;
	overflow: hidden;
	border-radius: var(--gm-radius, 10px);
	position: relative;
	background: rgba(255, 255, 255, 0.04);
	flex-shrink: 0;
}

.galeria-moderna .gm-item a {
	display: block;
	cursor: zoom-in;
	line-height: 0;
}

.galeria-moderna .gm-img {
	display: block;
	width: 100%;
	height: auto;
	transition: transform 0.7s ease, filter 0.4s ease;
}

.galeria-moderna .gm-item:hover .gm-img {
	transform: scale(1.04);
}

/* Fades topo / base — posicionados DENTRO do grid para cobrir só a área das imagens em movimento */
.galeria-moderna .gm-fade {
	position: absolute;
	left: 0;
	right: 0;
	height: var(--gm-fade-size, 140px);
	pointer-events: none;
	z-index: 5;
	grid-column: 1 / -1;
}
.galeria-moderna .gm-fade-top {
	top: 0;
	background: linear-gradient(to bottom, var(--gm-fade-color, #000) 0%, transparent 100%);
}
.galeria-moderna .gm-fade-bottom {
	bottom: 0;
	background: linear-gradient(to top, var(--gm-fade-color, #000) 0%, transparent 100%);
}

/* ---------- Responsivo ----------
   Estratégia: PHP emite até dois grids (.gm-grid-desktop e .gm-grid-mobile)
   com distribuições diferentes de colunas. CSS mostra um por vez. */

.galeria-moderna .gm-grid-mobile {
	display: none;
}

@media (max-width: 900px) {
	.galeria-moderna .gm-grid-desktop {
		display: none;
	}
	.galeria-moderna .gm-grid-mobile {
		display: grid;
		height: clamp(520px, 80vh, 720px);
	}
}

@media (max-width: 600px) {
	.galeria-moderna {
		padding: clamp(48px, 14vw, 96px) 16px;
	}
	.galeria-moderna .gm-grid-mobile {
		height: clamp(480px, 75vh, 640px);
	}
}

/* Acessibilidade: usuários que preferem menos movimento */
@media (prefers-reduced-motion: reduce) {
	.galeria-moderna .gm-track {
		animation: none !important;
	}
}

/* ---------- Lightbox ---------- */

.gm-lightbox {
	position: fixed;
	inset: 0;
	background: rgba(0, 0, 0, 0.94);
	z-index: 99999;
	display: none;
	align-items: center;
	justify-content: center;
	opacity: 0;
	transition: opacity 0.25s ease;
}

.gm-lightbox.is-open {
	display: flex;
	opacity: 1;
}

.gm-lightbox * {
	box-sizing: border-box;
}

.gm-lb-stage {
	max-width: 92vw;
	max-height: 88vh;
	display: flex;
	align-items: center;
	justify-content: center;
	position: relative;
}

.gm-lb-img {
	max-width: 92vw;
	max-height: 88vh;
	width: auto;
	height: auto;
	object-fit: contain;
	box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
	border-radius: 6px;
	transition: opacity 0.2s ease;
}

.gm-lightbox.is-loading .gm-lb-img {
	opacity: 0.4;
}

.gm-lightbox button {
	background: rgba(255, 255, 255, 0.08);
	color: #fff;
	border: 0;
	width: 46px;
	height: 46px;
	border-radius: 50%;
	cursor: pointer;
	font-size: 22px;
	line-height: 1;
	position: absolute;
	transition: background 0.2s ease, transform 0.2s ease;
	display: flex;
	align-items: center;
	justify-content: center;
	font-family: system-ui, -apple-system, sans-serif;
}

.gm-lightbox button:hover {
	background: rgba(255, 255, 255, 0.22);
	transform: scale(1.05);
}

.gm-lb-close { top: 20px; right: 20px; }
.gm-lb-prev  { left: 20px; top: 50%; transform: translateY(-50%); }
.gm-lb-next  { right: 20px; top: 50%; transform: translateY(-50%); }

.gm-lb-prev:hover { transform: translateY(-50%) scale(1.05); }
.gm-lb-next:hover { transform: translateY(-50%) scale(1.05); }

.gm-lb-counter {
	position: absolute;
	bottom: 20px;
	left: 50%;
	transform: translateX(-50%);
	color: #fff;
	font-family: system-ui, -apple-system, sans-serif;
	font-size: 13px;
	opacity: 0.7;
	letter-spacing: 0.04em;
}

@media (max-width: 600px) {
	.gm-lb-prev { left: 8px; width: 40px; height: 40px; }
	.gm-lb-next { right: 8px; width: 40px; height: 40px; }
	.gm-lb-close { top: 12px; right: 12px; width: 40px; height: 40px; }
}