/* ============================================================
   Achievements Showcase — Frontend Styles
   Grid + Certificate cards + Lightbox
   ============================================================ */

/* ------------------------------------------------------------------
   Responsive grid
   ------------------------------------------------------------------ */

.as-achievements-grid {
	display: grid;
	gap: 24px;
	margin: 2em 0;
}

/* Desktop column counts */
.as-achievements-grid.as-cols-1 { grid-template-columns: 1fr; }
.as-achievements-grid.as-cols-2 { grid-template-columns: repeat(2, 1fr); }
.as-achievements-grid.as-cols-3 { grid-template-columns: repeat(3, 1fr); }
.as-achievements-grid.as-cols-4 { grid-template-columns: repeat(4, 1fr); }
.as-achievements-grid.as-cols-5 { grid-template-columns: repeat(5, 1fr); }
.as-achievements-grid.as-cols-6 { grid-template-columns: repeat(6, 1fr); }

/* Tablet (≤ 900 px) — collapse 3+ columns to 2 */
@media (max-width: 900px) {
	.as-achievements-grid.as-cols-3,
	.as-achievements-grid.as-cols-4,
	.as-achievements-grid.as-cols-5,
	.as-achievements-grid.as-cols-6 {
		grid-template-columns: repeat(2, 1fr);
	}
}

/* Mobile (≤ 520 px) — single column */
@media (max-width: 520px) {
	.as-achievements-grid {
		grid-template-columns: 1fr !important;
		gap: 16px;
	}
}

/* ------------------------------------------------------------------
   Certificate card
   ------------------------------------------------------------------ */

.as-card {
	background: #fff;
	border: 1px solid #dde1e7;
	border-radius: 6px;
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.07);
	overflow: hidden;
	cursor: pointer;
	transition: transform 0.2s ease, box-shadow 0.2s ease;
	outline: none;
	user-select: none;
}

.as-card:hover,
.as-card:focus {
	transform: translateY(-4px);
	box-shadow: 0 8px 24px rgba(0, 0, 0, 0.13);
}

.as-card:focus-visible {
	outline: 3px solid #0073aa;
	outline-offset: 2px;
}

/* Fixed aspect ratio — portrait matches A4 / letter-size scans */
.as-card__image-wrap {
	position: relative;
	overflow: hidden;
	aspect-ratio: 3 / 4;
	background: #f4f5f7;
}

.as-card__img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	transition: transform 0.35s ease;
}

.as-card:hover .as-card__img,
.as-card:focus .as-card__img {
	transform: scale(1.04);
}

/* Hover overlay with magnify icon */
.as-card__overlay {
	position: absolute;
	inset: 0;
	background: rgba(0, 0, 0, 0);
	display: flex;
	align-items: center;
	justify-content: center;
	transition: background 0.22s ease;
}

.as-card:hover .as-card__overlay,
.as-card:focus .as-card__overlay {
	background: rgba(0, 0, 0, 0.38);
}

.as-card__zoom {
	color: #fff;
	font-size: 34px;
	opacity: 0;
	transform: scale(0.65);
	transition: opacity 0.22s ease, transform 0.22s ease;
}

.as-card:hover .as-card__zoom,
.as-card:focus .as-card__zoom {
	opacity: 1;
	transform: scale(1);
}

/* Placeholder when no featured image is set */
.as-card__no-image {
	width: 100%;
	height: 100%;
	display: flex;
	align-items: center;
	justify-content: center;
	background: #eef0f4;
	color: #b0b8c4;
}

.as-card__no-image .dashicons {
	font-size: 52px;
	width: 52px;
	height: 52px;
}

/* Caption bar below the image */
.as-card__caption {
	padding: 10px 14px 13px;
	border-top: 1px solid #dde1e7;
	background: #fafbfc;
}

.as-card__institution {
	display: -webkit-box;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 2;
	overflow: hidden;
	font-size: 0.82em;
	font-weight: 600;
	color: #1d2d44;
	line-height: 1.35;
	letter-spacing: 0.01em;
}

.as-card__year {
	display: block;
	margin-top: 3px;
	font-size: 0.74em;
	color: #6c7793;
}

/* ------------------------------------------------------------------
   "View all" link
   ------------------------------------------------------------------ */

.as-view-all {
	text-align: center;
	margin-top: 1.75em;
}

.as-view-all a {
	display: inline-block;
	padding: 0.55em 1.4em;
	border: 2px solid currentColor;
	border-radius: 4px;
	font-size: 0.92em;
	font-weight: 600;
	text-decoration: none;
	transition: background 0.15s ease, color 0.15s ease;
}

.as-view-all a:hover {
	background: currentColor;
}

/* ------------------------------------------------------------------
   Archive page wrapper
   ------------------------------------------------------------------ */

.as-archive-wrap {
	max-width: 1200px;
	margin: 0 auto;
	padding: 2em 1.5em;
}

.as-archive-header {
	margin-bottom: 2em;
}

.as-archive-title {
	margin: 0 0 0.5em;
}

.as-archive-description {
	color: #555;
	font-size: 0.96em;
}

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

.as-lightbox {
	position: fixed;
	inset: 0;
	z-index: 999999;
	display: flex;
	align-items: center;
	justify-content: center;
	visibility: hidden;
	opacity: 0;
	transition: opacity 0.25s ease, visibility 0.25s ease;
}

.as-lightbox.is-open {
	visibility: visible;
	opacity: 1;
}

.as-lightbox__backdrop {
	position: absolute;
	inset: 0;
	background: rgba(8, 8, 12, 0.88);
	cursor: pointer; /* clicking the backdrop closes the lightbox */
}

.as-lightbox__inner {
	position: relative;
	z-index: 1;
	display: flex;
	align-items: center;
	width: min(90vw, 880px);
	max-height: 95vh;
}

/* Figure / image */
.as-lightbox__figure {
	flex: 1;
	display: flex;
	flex-direction: column;
	align-items: center;
	margin: 0;
	min-width: 0; /* prevent flex blowout */
}

.as-lightbox__img-wrap {
	display: flex;
	align-items: center;
	justify-content: center;
	max-height: calc(95vh - 130px);
	width: 100%;
}

.as-lightbox__img {
	display: block;
	max-width: 100%;
	max-height: calc(95vh - 130px);
	object-fit: contain;
	border-radius: 3px;
	box-shadow: 0 10px 48px rgba(0, 0, 0, 0.55);
	transition: opacity 0.18s ease;
}

.as-lightbox__img.is-loading {
	opacity: 0.3;
}

/* Caption below the image */
.as-lightbox__caption {
	margin-top: 14px;
	text-align: center;
	color: #e8eaf0;
	padding: 0 16px;
	max-width: 100%;
}

.as-lightbox__title {
	margin: 0 0 4px;
	font-size: 1em;
	font-weight: 700;
	line-height: 1.35;
	color: #ffffff;
}

.as-lightbox__meta {
	margin: 0 0 8px;
	font-size: 0.84em;
	color: #a0aabb;
}

.as-lightbox__pdf-link {
	display: inline-block;
	font-size: 0.82em;
	color: #7ecbef;
	text-decoration: underline;
}

.as-lightbox__pdf-link:hover {
	color: #b0e2f7;
}

/* Navigation / close buttons */
.as-lightbox__close,
.as-lightbox__prev,
.as-lightbox__next {
	position: absolute;
	background: rgba(255, 255, 255, 0.12);
	border: 1px solid rgba(255, 255, 255, 0.15);
	color: #fff;
	cursor: pointer;
	border-radius: 50%;
	line-height: 1;
	padding: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: background 0.15s ease;
	z-index: 2;
}

.as-lightbox__close:hover,
.as-lightbox__prev:hover,
.as-lightbox__next:hover {
	background: rgba(255, 255, 255, 0.28);
}

.as-lightbox__close:focus-visible,
.as-lightbox__prev:focus-visible,
.as-lightbox__next:focus-visible {
	outline: 2px solid #fff;
	outline-offset: 3px;
}

.as-lightbox__close {
	top: -18px;
	right: -18px;
	width: 38px;
	height: 38px;
	font-size: 26px;
	line-height: 38px;
}

.as-lightbox__prev,
.as-lightbox__next {
	top: 50%;
	transform: translateY(-50%);
	width: 44px;
	height: 44px;
	font-size: 30px;
}

.as-lightbox__prev { left: -58px; }
.as-lightbox__next { right: -58px; }

.as-lightbox__prev:disabled,
.as-lightbox__next:disabled {
	opacity: 0.28;
	cursor: default;
	pointer-events: none;
}

/* Mobile lightbox — tuck buttons inside */
@media (max-width: 680px) {
	.as-lightbox__inner {
		width: 100vw;
		max-height: 100vh;
	}

	.as-lightbox__prev { left: 6px; }
	.as-lightbox__next { right: 6px; }

	.as-lightbox__close {
		top: 6px;
		right: 6px;
	}

	.as-lightbox__caption {
		padding: 0 56px; /* clear nav buttons */
	}
}