/*
 * Share Science Clubhouse - screen styles
 *
 * Everything is scoped under .ssc so nothing here can reach the rest of
 * the site. Colours live in one custom-property block; change them there
 * to match the brand without touching any rule below.
 */

.ssc {
	--ssc-ink: #1b2430;
	--ssc-muted: #5a6672;
	--ssc-line: #e2e6ea;
	--ssc-bg-soft: #f6f8f9;
	--ssc-accent: #0f766e;
	--ssc-accent-soft: #e6f4f1;
	--ssc-warn: #9a4b06;
	--ssc-warn-soft: #fdf3e7;
	--ssc-radius: 10px;
	--ssc-max: 44rem;

	box-sizing: border-box;
	max-width: var(--ssc-max);
	margin: 0 auto;
	padding: 2rem 1rem 4rem;
	color: var(--ssc-ink);
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	font-size: 1.0625rem;
	line-height: 1.65;
}

.ssc *,
.ssc *::before,
.ssc *::after {
	box-sizing: inherit;
}

.ssc img {
	max-width: 100%;
	height: auto;
}

.ssc h1,
.ssc h2,
.ssc h3 {
	line-height: 1.2;
	margin: 0 0 0.5rem;
	font-weight: 700;
	letter-spacing: -0.01em;
}

.ssc a {
	color: var(--ssc-accent);
}

.ssc-eyebrow {
	margin: 0 0 0.75rem;
	font-size: 0.8125rem;
	font-weight: 600;
	letter-spacing: 0.08em;
	text-transform: uppercase;
}

.ssc-eyebrow a {
	color: var(--ssc-muted);
	text-decoration: none;
}

.ssc-eyebrow a:hover,
.ssc-eyebrow a:focus {
	color: var(--ssc-accent);
}

/* ---------------------------------------------------------------- Header */

.ssc-activity__title {
	font-size: clamp(1.75rem, 5vw, 2.5rem);
}

.ssc-activity__summary {
	margin: 0.5rem 0 1.25rem;
	color: var(--ssc-muted);
	font-size: 1.1875rem;
	line-height: 1.5;
}

.ssc-facts {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem 1.75rem;
	margin: 0 0 1.5rem;
	padding: 1rem 0;
	list-style: none;
	border-top: 1px solid var(--ssc-line);
	border-bottom: 1px solid var(--ssc-line);
}

.ssc-fact {
	display: flex;
	flex-direction: column;
}

.ssc-fact__label {
	color: var(--ssc-muted);
	font-size: 0.75rem;
	font-weight: 600;
	letter-spacing: 0.06em;
	text-transform: uppercase;
}

.ssc-fact__value {
	font-weight: 600;
}

.ssc-activity__hero {
	margin: 0 0 1.5rem;
}

.ssc-activity__hero img {
	width: 100%;
	border-radius: var(--ssc-radius);
}

/* --------------------------------------------------------------- Actions */

.ssc-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.625rem;
	margin: 0 0 1.75rem;
}

.ssc-button {
	display: inline-block;
	padding: 0.625rem 1.125rem;
	border: 1px solid var(--ssc-line);
	border-radius: 999px;
	background: #fff;
	color: var(--ssc-ink);
	font: inherit;
	font-size: 0.9375rem;
	font-weight: 600;
	text-decoration: none;
	cursor: pointer;
}

.ssc-button:hover,
.ssc-button:focus {
	border-color: var(--ssc-accent);
	color: var(--ssc-accent);
}

.ssc-button--primary {
	border-color: var(--ssc-accent);
	background: var(--ssc-accent);
	color: #fff;
}

.ssc-button--primary:hover,
.ssc-button--primary:focus {
	background: #0b5d57;
	color: #fff;
}

/* ---------------------------------------------------------------- Safety */

.ssc-safety {
	margin: 0 0 1.75rem;
	padding: 1rem 1.125rem;
	border-left: 4px solid var(--ssc-warn);
	border-radius: 0 var(--ssc-radius) var(--ssc-radius) 0;
	background: var(--ssc-warn-soft);
}

.ssc-safety__title {
	margin: 0 0 0.25rem;
	color: var(--ssc-warn);
	font-size: 0.8125rem;
	letter-spacing: 0.06em;
	text-transform: uppercase;
}

.ssc-safety p {
	margin: 0;
}

/* --------------------------------------------------------------- Sections */

.ssc-section {
	margin: 0 0 2.25rem;
}

.ssc-section__title {
	margin-bottom: 0.875rem;
	font-size: 1.375rem;
}

.ssc-prose > :first-child {
	margin-top: 0;
}

.ssc-prose > :last-child {
	margin-bottom: 0;
}

/* -------------------------------------------------------------- Materials */

.ssc-materials__group {
	margin: 1.25rem 0 0.5rem;
	color: var(--ssc-muted);
	font-size: 0.8125rem;
	letter-spacing: 0.06em;
	text-transform: uppercase;
}

.ssc-materials__list {
	margin: 0;
	padding: 0;
	list-style: none;
}

.ssc-material {
	display: flex;
	flex-wrap: wrap;
	align-items: baseline;
	gap: 0 0.5rem;
	padding: 0.5rem 0;
	border-bottom: 1px solid var(--ssc-line);
}

.ssc-material__check {
	flex: 0 0 auto;
	width: 0.9rem;
	height: 0.9rem;
	margin-right: 0.25rem;
	border: 1.5px solid var(--ssc-line);
	border-radius: 3px;
}

.ssc-material__name {
	font-weight: 600;
}

.ssc-material__qty {
	color: var(--ssc-muted);
	font-size: 0.9375rem;
}

.ssc-material__note {
	flex: 1 0 100%;
	padding-left: 1.65rem;
	color: var(--ssc-muted);
	font-size: 0.9375rem;
}

.ssc-disclosure {
	margin: 0 0 1.25rem;
	padding: 0.75rem 0.875rem;
	border-radius: var(--ssc-radius);
	background: var(--ssc-bg-soft);
	color: var(--ssc-muted);
	font-size: 0.8125rem;
	line-height: 1.5;
}

/* ------------------------------------------------------------------ Steps */

.ssc-steps__list {
	margin: 0;
	padding: 0;
	list-style: none;
	counter-reset: ssc-step;
}

.ssc-step {
	display: grid;
	grid-template-columns: 1fr;
	gap: 0.75rem;
	padding: 1rem 0 1rem 2.75rem;
	border-bottom: 1px solid var(--ssc-line);
	counter-increment: ssc-step;
	position: relative;
}

.ssc-step::before {
	content: counter(ssc-step);
	position: absolute;
	top: 1rem;
	left: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 1.875rem;
	height: 1.875rem;
	border-radius: 50%;
	background: var(--ssc-accent-soft);
	color: var(--ssc-accent);
	font-size: 0.9375rem;
	font-weight: 700;
}

.ssc-step__body > :first-child {
	margin-top: 0;
}

.ssc-step__body > :last-child {
	margin-bottom: 0;
}

.ssc-step__tip {
	margin: 0.5rem 0 0;
	color: var(--ssc-muted);
	font-size: 0.9375rem;
}

.ssc-step__figure {
	margin: 0;
}

.ssc-step__figure img {
	border-radius: var(--ssc-radius);
}

@media (min-width: 40rem) {
	.ssc-step {
		grid-template-columns: 1fr 12rem;
		align-items: start;
	}
}

/* ------------------------------------------------------------------ Video */

.ssc-video {
	position: relative;
	border-radius: var(--ssc-radius);
	overflow: hidden;
	background: #000;
	aspect-ratio: 16 / 9;
}

.ssc-video__link {
	display: block;
	width: 100%;
	height: 100%;
}

.ssc-video__poster {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

.ssc-video__play {
	position: absolute;
	top: 50%;
	left: 50%;
	width: 4.25rem;
	height: 3rem;
	transform: translate(-50%, -50%);
	border-radius: 0.75rem;
	background: rgba(0, 0, 0, 0.72);
}

.ssc-video__play::after {
	content: "";
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-40%, -50%);
	border-style: solid;
	border-width: 0.6rem 0 0.6rem 1rem;
	border-color: transparent transparent transparent #fff;
}

.ssc-video__link:hover .ssc-video__play,
.ssc-video__link:focus .ssc-video__play {
	background: #c00;
}

.ssc-video iframe {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	border: 0;
}

/* ------------------------------------------------------------------ Index */

.ssc-index {
	--ssc-max: 62rem;
}

.ssc-index__title {
	font-size: clamp(1.75rem, 5vw, 2.5rem);
}

.ssc-index__intro {
	max-width: 40rem;
	margin: 0 0 1.5rem;
	color: var(--ssc-muted);
	font-size: 1.125rem;
}

.ssc-filter {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.4rem;
	margin: 0 0 0.75rem;
}

.ssc-filter__label {
	margin-right: 0.25rem;
	color: var(--ssc-muted);
	font-size: 0.75rem;
	font-weight: 600;
	letter-spacing: 0.06em;
	text-transform: uppercase;
}

.ssc-chip {
	display: inline-block;
	padding: 0.3rem 0.75rem;
	border: 1px solid var(--ssc-line);
	border-radius: 999px;
	color: var(--ssc-ink);
	font-size: 0.875rem;
	text-decoration: none;
}

.ssc-chip:hover,
.ssc-chip:focus,
.ssc-chip--active {
	border-color: var(--ssc-accent);
	background: var(--ssc-accent-soft);
	color: var(--ssc-accent);
}

.ssc-filter__clear {
	margin: 0.25rem 0 1.5rem;
	font-size: 0.875rem;
}

.ssc-cards {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
	gap: 1.5rem;
	margin: 1.5rem 0 0;
	padding: 0;
	list-style: none;
}

.ssc-card__link {
	display: flex;
	flex-direction: column;
	height: 100%;
	border: 1px solid var(--ssc-line);
	border-radius: var(--ssc-radius);
	overflow: hidden;
	color: inherit;
	text-decoration: none;
	background: #fff;
}

.ssc-card__link:hover,
.ssc-card__link:focus {
	border-color: var(--ssc-accent);
}

.ssc-card__media {
	display: block;
	aspect-ratio: 16 / 10;
	background: var(--ssc-bg-soft);
}

.ssc-card__media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

.ssc-card__body {
	display: block;
	padding: 0.875rem 1rem 1.125rem;
}

.ssc-card__title {
	display: block;
	font-size: 1.125rem;
	font-weight: 700;
	line-height: 1.3;
}

.ssc-card__summary {
	display: block;
	margin-top: 0.35rem;
	color: var(--ssc-muted);
	font-size: 0.9375rem;
	line-height: 1.45;
}

.ssc-card__meta {
	display: block;
	margin-top: 0.6rem;
	color: var(--ssc-muted);
	font-size: 0.8125rem;
	font-weight: 600;
	letter-spacing: 0.03em;
	text-transform: uppercase;
}

.ssc-empty {
	padding: 2rem 0;
	color: var(--ssc-muted);
}

/* ----------------------------------------------------------------- Footer */

.ssc-activity__footer {
	padding-top: 1.5rem;
	border-top: 1px solid var(--ssc-line);
}

.ssc-topics__label {
	margin-right: 0.35rem;
	color: var(--ssc-muted);
	font-size: 0.8125rem;
	font-weight: 600;
	letter-spacing: 0.06em;
	text-transform: uppercase;
}

.ssc-back {
	font-weight: 600;
}

.screen-reader-text {
	position: absolute;
	width: 1px;
	height: 1px;
	margin: -1px;
	padding: 0;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}