:root {
	--paper: #ffffff;
	--ink: #201816;
	--muted: #6b5b52;
	--line: #dedede;
	--accent: #b8322a;
	--white: #ffffff;
	--surface: #f7f7f7;
	--surface-warm: #f8f5ef;
	--shadow: 0 16px 48px rgba(32, 24, 22, 0.08);
}

* {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
	background: var(--white);
	color: var(--ink);
	line-height: 1.6;
}

a {
	color: inherit;
}

.skip-link {
	position: absolute;
	left: 1rem;
	top: 0;
	transform: translateY(-120%);
	background: var(--ink);
	color: var(--white);
	padding: 0.65rem 0.9rem;
	z-index: 20;
}

.skip-link:focus {
	transform: translateY(1rem);
}

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

.site-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
	padding: 0.7rem clamp(0.75rem, 4vw, 3.2rem);
	background: var(--paper);
	border-bottom: 1px solid var(--line);
}

.site-header--home {
	padding-block: 0.55rem;
}

.brand {
	color: var(--ink);
	font-size: 1.1rem;
	font-weight: 850;
	text-decoration: none;
}

.top-nav {
	display: flex;
	align-items: center;
	gap: 0.45rem;
}

.top-nav--home {
	display: grid;
	grid-template-columns: minmax(5.8rem, 1.3fr) repeat(2, minmax(4.5rem, 1fr));
	width: 100%;
}

.nav-button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.42rem;
	min-height: 2.6rem;
	border-radius: 8px;
	border: 1px solid transparent;
	padding: 0.42rem 0.62rem;
	color: var(--muted);
	text-decoration: none;
	font-size: 0.94rem;
	font-weight: 800;
	line-height: 1;
	white-space: nowrap;
	transition: background 140ms ease, border-color 140ms ease, color 140ms ease, transform 140ms ease;
}

.nav-button:hover,
.nav-button:focus-visible,
.nav-button[aria-current="page"] {
	background: var(--surface);
	border-color: var(--line);
	color: var(--ink);
	outline: 0;
}

.nav-button:hover,
.nav-button:focus-visible {
	transform: translateY(-1px);
}

.nav-button--logo {
	justify-content: flex-start;
	background: transparent;
	border-color: transparent;
	padding-left: 0;
}

.nav-button--logo:hover,
.nav-button--logo:focus-visible {
	background: transparent;
	border-color: transparent;
}

.nav-button--logo img,
.site-logo-corner img {
	display: block;
	width: auto;
	height: 1.7rem;
	object-fit: contain;
}

.site-logo-corner {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	flex: 0 0 auto;
	min-width: 5.2rem;
	min-height: 2.35rem;
	border-radius: 8px;
	padding: 0.25rem 0 0.25rem 0.5rem;
	text-decoration: none;
}

.site-logo-corner:hover,
.site-logo-corner:focus-visible {
	background: var(--surface);
	outline: 0;
}

.site-icon {
	display: inline-block;
	width: 1.05rem;
	height: 1.05rem;
	flex: 0 0 auto;
	background: currentColor;
	-webkit-mask-position: center;
	-webkit-mask-repeat: no-repeat;
	-webkit-mask-size: contain;
	mask-position: center;
	mask-repeat: no-repeat;
	mask-size: contain;
}

.icon-shop {
	-webkit-mask-image: url("/assets/icons/shop.svg");
	mask-image: url("/assets/icons/shop.svg");
}

.icon-games {
	-webkit-mask-image: url("/assets/icons/games.svg");
	mask-image: url("/assets/icons/games.svg");
}

.icon-projects {
	-webkit-mask-image: url("/assets/icons/projects.svg");
	mask-image: url("/assets/icons/projects.svg");
}

.icon-search {
	-webkit-mask-image: url("/assets/icons/search.svg");
	mask-image: url("/assets/icons/search.svg");
}

.icon-filter {
	-webkit-mask-image: url("/assets/icons/filter.svg");
	mask-image: url("/assets/icons/filter.svg");
}

.icon-sort {
	-webkit-mask-image: url("/assets/icons/sort.svg");
	mask-image: url("/assets/icons/sort.svg");
}

.filter-label {
	display: inline-flex;
	align-items: center;
	gap: 0.35rem;
}

.shop-page {
	padding: clamp(0.45rem, 1.5vw, 1rem) clamp(1rem, 5vw, 4rem) 2.5rem;
}

.shop-intro {
	max-width: 880px;
	margin-bottom: 1.2rem;
}

h1,
h2,
p {
	margin-top: 0;
}

h1 {
	margin-bottom: 0.45rem;
	font-size: 2.8rem;
	line-height: 1.05;
	letter-spacing: 0;
}

.shop-intro p {
	max-width: 760px;
	margin-bottom: 0;
	color: var(--muted);
	font-size: 1.05rem;
}

.shop-frame {
	min-height: 720px;
	border: 1px solid var(--line);
	border-radius: 8px;
	background: var(--surface);
	box-shadow: var(--shadow);
	overflow: hidden;
}

#myShop {
	min-height: 720px;
}

#myShop > a {
	display: inline-flex;
	margin: 1.25rem;
	color: var(--accent);
	font-weight: 850;
}

.noscript {
	margin: 1.25rem;
	color: var(--muted);
}

.site-footer {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 0.8rem;
	padding: 1.2rem clamp(1rem, 5vw, 4rem);
	border-top: 1px solid var(--line);
	color: var(--muted);
}

.site-footer p {
	margin: 0;
}

.site-footer a {
	color: var(--ink);
	font-weight: 750;
}

.projects-page {
	background:
		linear-gradient(180deg, #f4f9ff 0%, #ffffff 45%, #eef8ff 100%);
	overflow: hidden;
}

.project-hero,
.project-section {
	padding: 4.1rem clamp(1rem, 5vw, 4rem);
}

.project-hero--showcase {
	position: relative;
	display: grid;
	place-items: center;
	text-align: center;
}

.project-hero--showcase::before {
	content: "";
	position: absolute;
	inset: 1.1rem -8vw auto;
	height: 12rem;
	background: linear-gradient(90deg, rgba(91, 174, 228, 0.16), rgba(217, 243, 255, 0.76), rgba(116, 210, 188, 0.12));
	filter: blur(24px);
	transform: rotate(-1.5deg);
	z-index: 0;
}

.project-hero-copy,
.moocwiki-stage,
.project-jump-list,
.project-section {
	position: relative;
	z-index: 1;
}

.project-hero-copy {
	max-width: 780px;
}

.project-kicker {
	margin-bottom: 0.55rem;
	color: #2575a6;
	font-size: 0.78rem;
	font-weight: 900;
	letter-spacing: 0.08em;
	text-transform: uppercase;
}

.project-hero h1 {
	margin-bottom: 0.8rem;
	font-size: 3.2rem;
	line-height: 1;
}

.project-hero p:not(.project-kicker) {
	max-width: 720px;
	margin-inline: auto;
	margin-bottom: 0;
	color: #557181;
	font-size: 1.08rem;
}

.moocwiki-stage {
	display: grid;
	grid-template-columns: minmax(9rem, 0.7fr) minmax(0, 1.3fr);
	align-items: center;
	gap: 1.4rem;
	width: min(920px, 100%);
	margin: 2.2rem auto 1.2rem;
	padding: 1.05rem;
	border: 1px solid rgba(84, 169, 218, 0.23);
	border-radius: 8px;
	background: rgba(255, 255, 255, 0.7);
	box-shadow: 0 22px 64px rgba(62, 144, 190, 0.13);
	color: inherit;
	text-align: left;
	text-decoration: none;
	backdrop-filter: blur(12px);
	transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.moocwiki-stage:hover,
.moocwiki-stage:focus-visible {
	border-color: rgba(69, 158, 211, 0.38);
	box-shadow: 0 30px 84px rgba(62, 144, 190, 0.18);
	outline: 0;
	transform: translateY(-3px);
}

.moocwiki-mark {
	display: grid;
	place-items: center;
	aspect-ratio: 1;
	border-radius: 8px;
	background:
		linear-gradient(135deg, rgba(64, 164, 224, 0.11), rgba(232, 248, 255, 0.92)),
		#ffffff;
}

.moocwiki-mark img {
	width: min(82%, 18rem);
	height: auto;
	display: block;
}

.moocwiki-copy {
	display: flex;
	flex-direction: column;
	gap: 0.45rem;
}

.moocwiki-copy strong {
	font-size: 2.35rem;
	line-height: 1;
}

.moocwiki-copy span:last-child {
	max-width: 590px;
	color: #557181;
	font-size: 1.02rem;
	line-height: 1.5;
}

.project-jump-list {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 0.55rem;
	max-width: 920px;
	margin-inline: auto;
}

.project-jump-list a {
	border: 1px solid rgba(84, 169, 218, 0.2);
	border-radius: 999px;
	padding: 0.46rem 0.72rem;
	background: rgba(255, 255, 255, 0.66);
	color: #315a70;
	font-size: 0.88rem;
	font-weight: 800;
	text-decoration: none;
	box-shadow: 0 10px 28px rgba(62, 144, 190, 0.08);
	transition: background 140ms ease, border-color 140ms ease, transform 140ms ease;
}

.project-jump-list a:hover,
.project-jump-list a:focus-visible {
	background: #ffffff;
	border-color: rgba(64, 164, 224, 0.38);
	outline: 0;
	transform: translateY(-2px);
}

.project-section {
	max-width: 1260px;
	margin-inline: auto;
}

.project-section--compact {
	padding-top: 0;
	padding-bottom: 4rem;
}

.section-heading {
	max-width: 700px;
	margin-bottom: 1.35rem;
}

.section-heading h2 {
	margin-bottom: 0;
	font-size: 1.7rem;
	line-height: 1.12;
}

.project-gallery {
	display: grid;
	grid-template-columns: repeat(12, minmax(0, 1fr));
	gap: 1.3rem;
}

.project-card {
	display: flex;
	grid-column: span 6;
	min-width: 0;
	flex-direction: column;
	gap: 0.95rem;
	border: 1px solid rgba(84, 169, 218, 0.14);
	border-radius: 8px;
	padding: 0.76rem;
	background: rgba(255, 255, 255, 0.76);
	color: inherit;
	text-decoration: none;
	box-shadow: 0 16px 48px rgba(62, 144, 190, 0.08);
	transition: border-color 150ms ease, box-shadow 150ms ease, transform 150ms ease;
}

.project-card--wide {
	grid-column: span 6;
}

.project-card:hover,
.project-card:focus-visible {
	border-color: rgba(64, 164, 224, 0.32);
	box-shadow: 0 24px 70px rgba(62, 144, 190, 0.13);
	outline: 0;
	transform: translateY(-3px);
}

.project-media {
	display: block;
	aspect-ratio: 16 / 10;
	border: 1px solid rgba(84, 169, 218, 0.12);
	border-radius: 8px;
	background:
		linear-gradient(135deg, rgba(231, 247, 255, 0.92), rgba(246, 252, 255, 0.98)),
		#f6fbff;
	overflow: hidden;
}

.project-media--soft {
	background:
		linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(229, 246, 255, 0.98)),
		#f7fbff;
}

.project-media--ink {
	background:
		linear-gradient(135deg, rgba(222, 243, 255, 0.9), rgba(255, 255, 255, 0.94)),
		#f4f9ff;
}

.project-media--sky {
	background:
		linear-gradient(135deg, rgba(80, 170, 224, 0.16), rgba(255, 255, 255, 0.94)),
		#f7fbff;
}

.project-media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	transition: transform 180ms ease;
}

.project-media--contain img,
.project-card--robot .project-media img {
	box-sizing: border-box;
	object-fit: contain;
	padding: 1rem;
}

.project-card:hover .project-media img,
.project-card:focus-visible .project-media img {
	transform: scale(1.025);
}

.project-copy {
	display: flex;
	flex-direction: column;
	gap: 0.32rem;
	padding: 0 0.1rem 0.15rem;
}

.project-copy strong {
	color: var(--ink);
	font-size: 1.22rem;
	line-height: 1.14;
}

.project-copy span:last-child {
	color: #557181;
	font-size: 0.96rem;
	line-height: 1.46;
}

.project-label {
	width: fit-content;
	border: 1px solid rgba(64, 164, 224, 0.24);
	border-radius: 999px;
	padding: 0.17rem 0.52rem;
	background: rgba(224, 245, 255, 0.76);
	color: #2575a6;
	font-size: 0.72rem;
	font-weight: 900;
	line-height: 1.25;
	text-transform: uppercase;
}

.project-mini-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 1rem;
}

.project-mini {
	display: flex;
	min-width: 0;
	flex-direction: column;
	gap: 0.28rem;
	border: 1px solid rgba(84, 169, 218, 0.16);
	border-radius: 8px;
	padding: 0.95rem;
	background: rgba(255, 255, 255, 0.7);
	color: inherit;
	text-decoration: none;
	box-shadow: 0 12px 34px rgba(62, 144, 190, 0.08);
	transition: border-color 140ms ease, transform 140ms ease;
}

.project-mini:hover,
.project-mini:focus-visible {
	border-color: rgba(64, 164, 224, 0.32);
	outline: 0;
	transform: translateY(-2px);
}

.project-mini strong {
	font-size: 1.02rem;
	line-height: 1.2;
}

.project-mini span {
	color: #557181;
	font-size: 0.92rem;
	line-height: 1.42;
}

@media (max-width: 700px) {
	.site-header {
		gap: 0.5rem;
		padding-inline: 0.65rem;
	}

	.top-nav {
		gap: 0.25rem;
	}

	.top-nav--home {
		grid-template-columns: minmax(4.8rem, 1.2fr) repeat(2, minmax(3.9rem, 1fr));
	}

	.nav-button {
		gap: 0.28rem;
		min-height: 2.35rem;
		padding-inline: 0.34rem;
		font-size: 0.82rem;
	}

	.nav-button--logo img,
	.site-logo-corner img {
		height: 1.35rem;
	}

	.site-logo-corner {
		min-width: 4.2rem;
		padding-left: 0.25rem;
	}

	h1 {
		font-size: 2.2rem;
	}

	.shop-intro p {
		font-size: 1rem;
	}

	.shop-frame,
	#myShop {
		min-height: 620px;
	}

	.project-hero,
	.project-section {
		padding: 2.3rem 1rem;
	}

	.project-hero h1 {
		font-size: 2.25rem;
	}

	.project-hero p:not(.project-kicker) {
		font-size: 1rem;
	}

	.moocwiki-stage {
		grid-template-columns: 1fr;
		gap: 0.9rem;
		margin-top: 1.5rem;
		text-align: center;
	}

	.moocwiki-copy {
		align-items: center;
	}

	.moocwiki-copy strong {
		font-size: 1.82rem;
	}

	.project-jump-list {
		justify-content: flex-start;
	}

	.project-gallery,
	.project-mini-grid {
		grid-template-columns: 1fr;
	}

	.project-card,
	.project-card--wide {
		grid-column: span 1;
	}

	.project-copy span {
		font-size: 0.9rem;
	}
}

@media (min-width: 701px) and (max-width: 1050px) {
	.project-gallery {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.project-card,
	.project-card--wide {
		grid-column: span 1;
	}

	.project-mini-grid {
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}
}

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}

	.nav-button,
	.moocwiki-stage,
	.project-jump-list a,
	.project-card,
	.project-mini,
	.project-media img {
		transition: none;
	}
}