/**
 * Patient Results Gallery.
 */

.drbg,
.drbg-page {
	--drbg-bg: #faf8f5;
	--drbg-ink: #1a1a1a;
	--drbg-muted: #6e6a64;
	--drbg-line: #ddd7cf;
	--drbg-accent: #a8823c;
	--drbg-chip-bg: #1a1a1a;
	--drbg-chip-ink: #fff;
	--drbg-shot-bg: #ece8e2;
	--drbg-gap: 2px;
	--drbg-grid-gap: 34px 22px;
	--drbg-max: 1180px;
	--drbg-card-ratio: 3 / 4;   /* one half of a listing card */
	--drbg-shot-ratio: 5 / 4;   /* one photo on the single view */
	--drbg-wide-ratio: 1024 / 791; /* a card showing one landscape photo */
	--drbg-card-min: 320px;     /* narrowest a card may get before rewrapping */

	color: var(--drbg-ink);
}

.drbg-page {
	padding: 56px 20px 80px;
	background: whitesmoke;
}

.drbg-listing,
.drbg-single {
	margin: 0 auto;
	max-width: var(--drbg-max);
}

/* ---------- Intro ---------- */

.drbg-intro {
	margin: 0 auto 30px;
	max-width: 760px;
	text-align: center;
}

.drbg-intro__eyebrow {
	margin: 0 0 10px;
	color: var(--drbg-accent);
	font-size: 12px;
	letter-spacing: 0.22em;
	text-transform: uppercase;
}

.drbg-intro__title {
	margin: 0;
	font-family: var(--drbg-serif);
	font-size: clamp(32px, 5vw, 54px);
	font-weight: 400;
	line-height: 1.1;
}

.drbg-intro__sub {
	margin: 14px 0 0;
	color: var(--drbg-muted);
	font-size: 12px;
	letter-spacing: 0.16em;
	text-transform: uppercase;
}

.drbg-intro__text {
	margin: 18px 0 0;
	color: var(--drbg-muted);
	font-size: 15px;
	line-height: 1.65;
}

/* ---------- Filter chips ---------- */

.drbg-filters {
	display: flex;
	flex-direction: column;
	gap: 10px;
	margin: 0 0 34px;
}

.drbg-filters__row {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	justify-content: center;
}

/* Second tier: the children of whichever top-level category is open. */
.drbg-filters__row--children {
	align-items: center;
	border-top: 1px solid var(--drbg-line);
	margin: 0 auto;
	max-width: 100%;
	padding-top: 12px;
}

.drbg-filters__lead {
	font-size: 11px;
	letter-spacing: 0.16em;
	opacity: 0.55;
	text-transform: uppercase;
}

.drbg-filters__lead::after {
	content: "›";
	margin-left: 8px;
}

.drbg-chip--child {
	font-size: 11px;
	padding: 9px 15px;
}

.drbg-chip {
	border: 1px solid transparent;
	border-radius: 999px;
	color: var(--drbg-ink);
	cursor: pointer;
	font-size: 12px;
	letter-spacing: 0.14em;
	line-height: 1;
	padding: 11px 18px;
	text-decoration: none;
	text-transform: uppercase;
	transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
	white-space: nowrap;
}

.drbg-chip:hover,
.drbg-chip:focus-visible {
	border-color: var(--drbg-line);
	color: var(--drbg-ink);
}

.drbg-chip.is-active {
	background: var(--drbg-chip-bg);
	border-color: var(--drbg-chip-bg);
	color: var(--drbg-chip-ink);
}

.drbg-chip__count {
	opacity: 0.55;
	margin-left: 4px;
}

/* ---------- Grid ---------- */

.drbg-grid {
	display: grid;
	gap: var(--drbg-grid-gap);
	grid-template-columns: repeat(auto-fill, minmax(var(--drbg-card-min), 1fr));
	transition: opacity 0.18s ease;
}

.drbg-grid[aria-busy="true"] {
	opacity: 0.45;
}

.drbg-empty {
	color: var(--drbg-muted);
	grid-column: 1 / -1;
	text-align: center;
}

/* ---------- Card ---------- */

.drbg-card__link {
	color: inherit;
	display: block;
	text-decoration: none;
}

.drbg-card__pair {
	background: var(--drbg-shot-bg);
	display: grid;
	gap: var(--drbg-gap);
	grid-template-columns: repeat(var(--drbg-n, 2), minmax(0, 1fr));
	position: relative;
}

.drbg-card .drbg-shot {
	aspect-ratio: var(--drbg-card-ratio);
}

/* A card showing one photo rather than a pair: keep the photo's own shape
   instead of cropping a landscape frame into a portrait half-card. */
.drbg-card__pair[data-n="1"] .drbg-shot {
	aspect-ratio: var(--drbg-wide-ratio);
}

.drbg-card__pair[data-n="1"] .drbg-shot__img {
	object-fit: contain;
}

.drbg-card__link:hover .drbg-shot__img,
.drbg-card__link:focus-visible .drbg-shot__img {
	filter: brightness(1.04);
}

.drbg-card__id {
	background: rgba(20, 20, 20, 0.86);
	color: #fff;
	font-size: 10px;
	left: 0;
	letter-spacing: 0.12em;
	padding: 5px 9px;
	position: absolute;
	text-transform: uppercase;
	top: 0;
	z-index: 2;
}

.drbg-card__caption {
	margin: 12px 0 0;
	color: var(--drbg-muted);
	font-size: 11px;
	letter-spacing: 0.14em;
	text-align: center;
	text-transform: uppercase;
}

.drbg-card.is-featured .drbg-card__pair {
	outline: 1px solid var(--drbg-accent);
	outline-offset: 3px;
}

/* ---------- Photo + label ---------- */

.drbg-shot {
	background: var(--drbg-shot-bg);
	margin: 0;
	overflow: hidden;
	position: relative;
	background: transparent;
}

.drbg-shot__img {
	display: block;
	height: 100%;
	object-fit: cover;
	transition: filter 0.2s ease;
	width: 100%;
}

.drbg-shot--empty {
	aspect-ratio: var(--drbg-card-ratio);
	grid-column: 1 / -1;
}

.drbg-tag {
	background: rgba(20, 20, 20, 0.86);
	bottom: 10px;
	color: #fff;
	font-size: 11px;
	left: 10px;
	letter-spacing: 0.14em;
	padding: 6px 11px;
	position: absolute;
	text-transform: uppercase;
	z-index: 2;
}

.drbg-tag--sm {
	bottom: 0;
	font-size: 10px;
	left: 0;
	padding: 5px 8px;
}

/* ---------- Load more ---------- */

.drbg-more {
	margin-top: 46px;
	text-align: center;
}

.drbg-more__btn {
	align-items: center;
	border: 1px solid var(--drbg-line);
	color: var(--drbg-ink);
	cursor: pointer;
	display: inline-flex;
	font-size: 12px;
	gap: 12px;
	letter-spacing: 0.16em;
	padding: 15px 34px;
	text-decoration: none;
	text-transform: uppercase;
	transition: background-color 0.18s ease, color 0.18s ease;
}

.drbg-more__btn:hover,
.drbg-more__btn:focus-visible {
	background: var(--drbg-chip-bg);
	border-color: var(--drbg-chip-bg);
	color: var(--drbg-chip-ink);
}

.drbg-more__btn[aria-disabled="true"] {
	cursor: default;
	opacity: 0.5;
}

.drbg-more__chev {
	border-bottom: 1px solid currentColor;
	border-right: 1px solid currentColor;
	display: inline-block;
	height: 6px;
	transform: rotate(45deg) translate(-2px, -2px);
	width: 6px;
}

.drbg-more__status {
	margin: 14px 0 0;
	color: var(--drbg-muted);
	font-size: 12px;
	letter-spacing: 0.12em;
	min-height: 1em;
	text-transform: uppercase;
}

/* ---------- Back link ---------- */

.drbg-backline {
	margin: 0 auto 22px;
	max-width: var(--drbg-max);
}

.drbg-back {
	align-items: center;
	color: var(--drbg-muted);
	display: inline-flex;
	font-size: 12px;
	gap: 10px;
	letter-spacing: 0.14em;
	text-decoration: none;
	text-transform: uppercase;
}

.drbg-back:hover,
.drbg-back:focus-visible {
	color: var(--drbg-ink);
}

.drbg-back__chev {
	border-bottom: 1px solid currentColor;
	border-left: 1px solid currentColor;
	display: inline-block;
	height: 7px;
	transform: rotate(45deg);
	width: 7px;
}

/* ---------- Single ---------- */

.drbg-single {
	background: #fff;
	border: 1px solid var(--drbg-line);
	padding: 34px clamp(18px, 4vw, 46px) 30px;
}

.drbg-single__nav {
	align-items: start;
	border-bottom: 1px solid var(--drbg-line);
	display: grid;
	gap: 16px;
	grid-template-columns: 1fr auto 1fr;
	padding-bottom: 22px;
}

.drbg-single__nav-side--end {
	text-align: right;
}

.drbg-navlink {
	align-items: center;
	color: var(--drbg-muted);
	display: inline-flex;
	font-size: 11px;
	gap: 9px;
	letter-spacing: 0.14em;
	text-decoration: none;
	text-transform: uppercase;
	white-space: nowrap;
}

.drbg-navlink:hover,
.drbg-navlink:focus-visible {
	color: var(--drbg-ink);
}

.drbg-navlink__chev {
	border-bottom: 1px solid currentColor;
	border-left: 1px solid currentColor;
	display: inline-block;
	height: 7px;
	width: 7px;
}

.drbg-navlink--prev .drbg-navlink__chev {
	transform: rotate(45deg);
}

.drbg-navlink--next .drbg-navlink__chev {
	transform: rotate(-135deg);
}

.drbg-single__heading {
	text-align: center;
}

.drbg-single__title {
	margin: 0;
	font-family: var(--drbg-serif);
	font-size: clamp(22px, 3vw, 32px);
	font-weight: 400;
	letter-spacing: 0.06em;
	text-transform: uppercase;
}

/* The procedure line, directly under the patient identifier. */
.drbg-single__proc {
	color: var(--drbg-accent);
	font-family: var(--drbg-serif);
	font-size: 16px;
	margin: 6px 0 0;
}

.drbg-single__cat {
	margin: 4px 0 0;
}

.drbg-single__cat a {
	color: var(--drbg-muted);
	font-size: 12px;
	letter-spacing: 0.1em;
	text-decoration: none;
	text-transform: uppercase;
}

.drbg-single__cat a:hover,
.drbg-single__cat a:focus-visible {
	color: var(--drbg-accent);
}

.drbg-single__info {
	margin: 20px auto 0;
	max-width: 720px;
	color: var(--drbg-muted);
	font-size: 14px;
	line-height: 1.7;
	text-align: center;
}

.drbg-single__body {
	margin-top: 30px;
}

.drbg-group + .drbg-group {
	margin-top: 30px;
}

.drbg-group__title {
	margin: 0 0 10px;
	font-size: 12px;
	font-weight: 600;
	letter-spacing: 0.16em;
	text-transform: uppercase;
}

.drbg-group__num {
	color: var(--drbg-muted);
	font-weight: 400;
}

/* The row sizes itself from the number of photos: 1 = full width, 2 = half
   each, 3 = a third, and so on. --drbg-n is written inline by the template. */
.drbg-row {
	display: grid;
	gap: var(--drbg-gap);
	grid-template-columns: repeat(var(--drbg-n, 1), minmax(0, 1fr));
}

.drbg-row .drbg-shot {
	aspect-ratio: var(--drbg-shot-ratio);
}

.drbg-single__foot {
	align-items: center;
	border-top: 1px solid var(--drbg-line);
	display: flex;
	flex-wrap: wrap;
	gap: 14px;
	justify-content: space-between;
	margin-top: 30px;
	padding-top: 20px;
	background: transparent;
}

.drbg-single__count {
	margin: 0;
	color: var(--drbg-muted);
	font-size: 11px;
	letter-spacing: 0.14em;
	text-transform: uppercase;
}

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

@media (max-width: 900px) {
	/* Before/after must stay side by side, so cap wide rows at two columns
	   rather than letting each photo shrink. */
	.drbg-row[data-n="3"],
	.drbg-row[data-n="4"],
	.drbg-row[data-n="5"],
	.drbg-row[data-n="6"] {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

@media (max-width: 600px) {
	.drbg-page {
		padding: 34px 14px 56px;
	}

	.drbg-grid {
		gap: 26px 14px;
		grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
	}

	.drbg-single__nav {
		grid-template-columns: 1fr;
	}

	.drbg-single__nav-side--end {
		text-align: left;
	}

	.drbg-single__heading {
		order: -1;
		text-align: left;
	}
}

@media (prefers-reduced-motion: reduce) {
	.drbg-grid,
	.drbg-shot__img,
	.drbg-chip,
	.drbg-more__btn {
		transition: none;
	}
}