/* Octzen Showcase: stacking portfolio.
   Cards are normal blocks with position: sticky. The browser pins them on the
   compositor thread, so scrolling stays smooth on phones. A little script only
   adds a "covered" class to cards that already have another card on top. */

.ocs-pin {
	--ocs-hdr: 72px;        /* height of your fixed header (used when the Octzen header is not on the page) */
	--ocs-gap: 16px;        /* space between the header and the first card */
	--ocs-step: 14px;       /* visible edge of each card underneath */
	--ocs-run: 14vh;        /* extra scroll before the next card arrives */
	--ocs-hold: 30vh;       /* how long the last card stays pinned */
	--ocs-chrome: 250px;    /* height of everything in a card except the media */
	--ocs-radius: 28px;
	--ocs-ratio: 16 / 10;
	position: relative;
	display: block;
	width: 100%;
}

.ocs-pin .ocs-card {
	--lvl: 0;
	--card-accent: var(--ocs-accent);
	position: -webkit-sticky;
	position: sticky;
	top: calc(var(--ocs-offset) + var(--ocs-gap) + var(--i, 0) * var(--ocs-step));
	z-index: calc(var(--i, 0) + 1);
	margin: 0 0 var(--ocs-run);
	overflow: hidden;
	border: 1px solid var(--ocs-line);
	border-radius: var(--ocs-radius);
	background:
		radial-gradient(70% 90% at 0% 0%, color-mix(in srgb, var(--card-accent) 14%, transparent), transparent 60%),
		var(--ocs-surface);
	box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.32);
	transform-origin: 50% 0;
	transform: scale(calc(1 - var(--lvl) * 0.035));
	transition: transform 0.3s ease-out;
	contain: layout paint;
}

.ocs-pin .ocs-card:last-of-type {
	margin-bottom: var(--ocs-hold);
}

/* no pinning: Elementor editor, or a card taller than the screen */
.ocs-pin.is-flat .ocs-card,
.ocs-pin .ocs-card.is-flow {
	min-height: 0;
	position: relative;
	top: auto;
	transform: none;
	will-change: auto;
}

.ocs-pin.is-flat .ocs-card {
	margin-bottom: 20px;
}

.ocs-pin .ocs-card .ocs-btn {
	--btn-accent: var(--card-accent);
}

.ocs-pin .ocs-card__inner {
	display: grid;
	grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
	gap: clamp(20px, 3.4vw, 48px);
	align-items: center;
	padding: clamp(14px, 2vw, 28px);
	padding-block: var(--sp-pad, clamp(14px, 2vw, 28px));
}

.ocs-pin .ocs-card__shade {
	position: absolute;
	inset: 0;
	border-radius: inherit;
	background: #05070b;
	opacity: calc(var(--lvl) * 0.22);
	pointer-events: none;
	transition: opacity 0.3s ease-out;
}

.ocs-pin .ocs-mark {
	display: block;
	height: 1px;
	margin: 0 0 -1px;
	visibility: hidden;
	pointer-events: none;
}

/* browser-style media viewer */
.ocs-pin .ocs-viewer {
	overflow: hidden;
	border: 1px solid var(--ocs-line);
	border-radius: calc(var(--ocs-radius) - 10px);
	background: var(--ocs-surface-2);
}

.ocs-pin .ocs-viewer__bar {
	display: flex;
	align-items: center;
	gap: 14px;
	padding: 10px 14px;
	border-bottom: 1px solid var(--ocs-line);
}

.ocs-pin .ocs-dots {
	display: flex;
	gap: 6px;
}

.ocs-pin .ocs-dots i {
	width: 9px;
	height: 9px;
	border-radius: 50%;
	background: var(--ocs-line-strong);
}

.ocs-pin .ocs-viewer__url {
	display: flex;
	flex: 1;
	align-items: center;
	gap: 8px;
	min-width: 0;
	padding: 4px 12px;
	border-radius: 999px;
	background: rgba(255, 255, 255, 0.05);
	font-size: 0.78rem;
	line-height: 1.4;
	color: var(--ocs-muted);
	text-decoration: none;
	white-space: nowrap;
	transition: background-color 0.2s, color 0.2s;
}

.ocs-pin .ocs-viewer__url span {
	overflow: hidden;
	text-overflow: ellipsis;
}

.ocs-pin .ocs-viewer__url svg {
	flex: 0 0 auto;
	opacity: 0.7;
}

.ocs-pin a.ocs-viewer__url:hover {
	background: color-mix(in srgb, var(--card-accent) 20%, transparent);
	color: var(--ocs-text);
}

.ocs-pin .ocs-viewer__url.is-empty {
	opacity: 0.55;
}

.ocs-pin .ocs-viewer__stage {
	position: relative;
	width: 100%;
	aspect-ratio: 16 / 10;
	touch-action: pan-y;
	overflow: hidden;
}

.ocs-pin .ocs-shot {
	position: absolute;
	inset: 0;
	opacity: 0;
	transform: scale(1.03);
	transition: opacity 0.5s ease, transform 0.8s var(--ocs-ease);
}

.ocs-pin .ocs-shot.is-active {
	opacity: 1;
	transform: none;
}

.ocs-pin .ocs-shot img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: top center;
}

.ocs-pin .ocs-shot video,
.ocs-pin .ocs-shot iframe {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	border: 0;
	background: transparent;
	object-fit: cover;
}

.ocs-pin .ocs-shot iframe {
	pointer-events: none;
}

/* placeholder drawn as a site wireframe */
.ocs-pin .ocs-ph {
	position: absolute;
	inset: 0;
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	grid-template-rows: 14% 1fr 34%;
	gap: 12px;
	padding: 16px;
}

.ocs-pin .ocs-ph span {
	border-radius: 10px;
	background: rgba(255, 255, 255, 0.05);
}

.ocs-pin .ocs-ph span:nth-child(1) {
	grid-column: 1 / -1;
}

.ocs-pin .ocs-ph span:nth-child(2) {
	grid-column: 1 / -1;
	background: linear-gradient(120deg, color-mix(in srgb, var(--card-accent) 35%, transparent), rgba(255, 255, 255, 0.04));
}

.ocs-pin .ocs-arrow {
	position: absolute;
	top: 50%;
	display: grid;
	place-items: center;
	width: 40px;
	height: 40px;
	margin-top: -20px;
	padding: 0;
	border: 1px solid var(--ocs-line-strong);
	border-radius: 50%;
	background: rgba(7, 9, 14, 0.78);
	color: var(--ocs-text);
	cursor: pointer;
	transition: background-color 0.2s, color 0.2s;
}

.ocs-pin .ocs-arrow:hover {
	background: var(--card-accent);
	color: var(--ocs-accent-ink);
}

.ocs-pin .ocs-arrow--prev {
	left: 12px;
}

.ocs-pin .ocs-arrow--next {
	right: 12px;
}

.ocs-pin .ocs-counter {
	position: absolute;
	right: 12px;
	bottom: 12px;
	padding: 4px 10px;
	border-radius: 999px;
	background: rgba(7, 9, 14, 0.78);
	font-size: 0.78rem;
	line-height: 1.4;
	color: var(--ocs-muted);
}

.ocs-pin .ocs-counter b {
	color: var(--ocs-text);
	font-weight: 600;
}

/* thumbnail carousel */
.ocs-pin .ocs-thumbs {
	margin-top: 12px;
}

.ocs-pin .ocs-thumbs__track {
	display: flex;
	gap: 10px;
	padding: 2px;
	overflow-x: auto;
	overscroll-behavior-x: contain;
	scroll-snap-type: x proximity;
	scrollbar-width: none;
	-webkit-overflow-scrolling: touch;
}

.ocs-pin .ocs-thumbs__track::-webkit-scrollbar {
	display: none;
}

.ocs-pin .ocs-thumb {
	position: relative;
	flex: 0 0 auto;
	width: clamp(72px, 12vw, 104px);
	aspect-ratio: 16 / 10;
	padding: 0;
	overflow: hidden;
	border: 2px solid transparent;
	border-radius: 10px;
	background: var(--ocs-surface-2);
	opacity: 0.55;
	cursor: pointer;
	scroll-snap-align: start;
	transition: opacity 0.25s, border-color 0.25s;
}

.ocs-pin .ocs-thumb:hover {
	opacity: 0.9;
}

.ocs-pin .ocs-thumb.is-active {
	border-color: var(--card-accent);
	opacity: 1;
}

.ocs-pin .ocs-thumb img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: top center;
}

.ocs-pin .ocs-thumb--video {
	background: linear-gradient(135deg, color-mix(in srgb, var(--card-accent) 40%, #000), var(--ocs-surface-2));
}

.ocs-pin .ocs-thumb__play {
	position: absolute;
	right: 6px;
	bottom: 6px;
	display: grid;
	place-items: center;
	width: 22px;
	height: 22px;
	border-radius: 50%;
	background: rgba(7, 9, 14, 0.72);
	color: var(--ocs-text);
}

.ocs-pin .ocs-thumb__play svg {
	width: 12px;
	height: 12px;
}

/* card text */
.ocs-pin .ocs-card__body {
	min-width: 0;
	padding: clamp(4px, 1vw, 12px) clamp(4px, 1.6vw, 24px) clamp(4px, 1vw, 12px) 0;
	text-align: left;
}

.ocs-pin .ocs-chip {
	display: inline-block;
	padding: 5px 14px;
	border: 1px solid color-mix(in srgb, var(--card-accent) 55%, transparent);
	border-radius: 999px;
	font-size: 0.85rem;
	font-weight: 500;
	line-height: 1.4;
	color: var(--card-accent);
}

.ocs-pin .ocs-card__title {
	margin-top: var(--sp-title, 18px);
	font-size: clamp(1.55rem, 2.9vw, 2.5rem);
	font-weight: 650;
	line-height: 1.08;
	letter-spacing: -0.03em;
	text-wrap: balance;
	color: var(--ocs-text);
}

.ocs-pin .ocs-card__desc {
	max-width: 46ch;
	margin-top: var(--sp-desc, 14px);
	color: var(--ocs-muted);
}

.ocs-pin ul.ocs-tags,
.ocs-pin ul.ocs-tags > li {
	margin: 0;
	padding-left: 0;
	list-style: none !important;
	list-style-type: none !important;
	background-image: none;
}

.ocs-pin ul.ocs-tags > li::marker { content: "" !important; font-size: 0; }
.ocs-pin ul.ocs-tags > li::before,
.ocs-pin ul.ocs-tags > li::after { content: none !important; display: none !important; }

.ocs-pin ul.ocs-tags {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-top: var(--sp-tags, 20px);
}

.ocs-pin .ocs-tags li {
	padding: 4px 12px !important;
	border-radius: 8px;
	background: rgba(255, 255, 255, 0.06);
	font-size: 0.84rem;
	line-height: 1.5;
	color: var(--ocs-text);
}

.ocs-pin .ocs-meta {
	display: flex;
	flex-wrap: wrap;
	gap: 8px 36px;
	margin-top: var(--sp-meta, 22px);
}

.ocs-pin .ocs-meta dt, .ocs-pin .ocs-meta dd { margin-inline-start: 0; }
.ocs-pin .ocs-meta dt {
	font-size: 0.8rem;
	color: var(--ocs-muted);
}

.ocs-pin .ocs-meta dd {
	margin: 0;
	font-weight: 600;
}

.ocs-pin .ocs-card__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin-top: var(--sp-actions, 26px);
}

/* media never taller than what is left of the screen after the card's own text */
.ocs-pin .ocs-viewer__stage {
	aspect-ratio: var(--ocs-ratio);
	max-height: max(170px, calc(100vh - var(--ocs-offset) - var(--ocs-gap) - var(--ocs-chrome)));
	max-height: max(170px, calc(100svh - var(--ocs-offset) - var(--ocs-gap) - var(--ocs-chrome)));
}

@media (max-height: 820px) and (min-width: 901px) {
	.ocs-pin .ocs-thumbs { display: none; }
	.ocs-pin { --ocs-chrome: 190px; }
}

@media (max-width: 900px) {
	.ocs-pin { --ocs-chrome: 430px; --ocs-step: 10px; }
	.ocs-pin .ocs-card__inner { grid-template-columns: minmax(0, 1fr); gap: 14px; padding: 14px; padding-block: var(--sp-pad, 14px); }
	.ocs-pin .ocs-card__body { padding: 2px 8px 8px; }
	.ocs-pin .ocs-card__title { margin-top: var(--sp-title, 14px); }
	.ocs-pin .ocs-card__desc { margin-top: var(--sp-desc, 10px); }
	.ocs-pin ul.ocs-tags { margin-top: var(--sp-tags, 14px); }
	.ocs-pin .ocs-meta { margin-top: var(--sp-meta, 14px); gap: 6px 28px; }
	.ocs-pin .ocs-card__actions { margin-top: var(--sp-actions, 18px); }
}

@media (max-width: 767px) {
	.ocs-pin { --ocs-radius: 20px; --ocs-step: 8px; --ocs-chrome: 360px; --ocs-run: 10vh; --ocs-hold: 22vh; }
	.ocs-pin .ocs-card { box-shadow: 0 -6px 18px rgba(0, 0, 0, 0.3); }
	.ocs-pin .ocs-card__inner { gap: 10px; padding: 10px; padding-block: var(--sp-pad, 10px); }
	.ocs-pin .ocs-viewer__bar { padding: 8px 10px; }
	.ocs-pin .ocs-card__title { margin-top: var(--sp-title, 10px); font-size: 1.3rem; }
	.ocs-pin .ocs-card__desc {
		display: -webkit-box;
		margin-top: var(--sp-desc, 6px);
		overflow: hidden;
		font-size: 0.92rem;
		line-height: 1.5;
		-webkit-line-clamp: 2;
		-webkit-box-orient: vertical;
	}
	.ocs-pin ul.ocs-tags { flex-wrap: nowrap; gap: 6px; margin-top: var(--sp-tags, 10px); overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
	.ocs-pin .ocs-tags::-webkit-scrollbar { display: none; }
	.ocs-pin .ocs-tags li { flex: none; padding: 3px 10px !important; font-size: 0.78rem; white-space: nowrap; }
	.ocs-pin .ocs-meta { gap: 4px 22px; margin-top: var(--sp-meta, 10px); }
	.ocs-pin .ocs-meta dt { font-size: 0.72rem; }
	.ocs-pin .ocs-meta dd { font-size: 0.9rem; }
	.ocs-pin .ocs-card__actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: var(--sp-actions, 12px); }
	.ocs-pin .ocs-card__actions .ocs-btn { min-height: 44px; padding: 0 10px; font-size: 0.9rem; white-space: nowrap; }
	.ocs-pin .ocs-card__actions .ocs-btn:only-child { grid-column: 1 / -1; }
	.ocs-pin .ocs-thumbs { display: none; }
	.ocs-pin .ocs-arrow { width: 36px; height: 36px; margin-top: -18px; }
}

@media (max-width: 767px) and (max-height: 690px) {
	.ocs-pin { --ocs-chrome: 290px; }
	.ocs-pin .ocs-card__desc { display: none; }
}

/* phones, tablets and touch screens: plain pinning only. No shrinking, no dimming, no transitions, so
   scrolling back up never reveals dim or half-animated cards and the compositor has almost nothing to do. */
@media (max-width: 900px), (hover: none) {
	.ocs-pin .ocs-card { transform: none !important; transition: none; box-shadow: 0 -4px 14px rgba(0, 0, 0, 0.28); }
	.ocs-pin .ocs-card__shade { display: none; }
}

@media (prefers-reduced-motion: reduce) {
	.ocs-pin .ocs-card { transform: none; transition: none; }
	.ocs-pin .ocs-card__shade { transition: none; }
	.ocs-pin .ocs-shot { transition-duration: 0.01s; }
}