:root {
	--bg: #f7faf6;
	--surface: rgba(255, 255, 255, 0.78);
	--surface-strong: #ffffff;
	--text: #162016;
	--muted: #5f6d62;
	--line: rgba(34, 62, 40, 0.1);
	--accent: #5f9368;
	--accent-soft: #e4f1e4;
	--accent-deep: #2f5d3b;
	--shadow: 0 24px 80px rgba(33, 51, 37, 0.08);
	--radius-xl: 32px;
	--radius-lg: 24px;
	--radius-md: 18px;
	--radius-pill: 999px;
	--max-width: 1200px;
}

html {
	scroll-behavior: smooth;
}

* {
	box-sizing: border-box;
}

body {
	margin: 0;
	font-family: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
	background:
		radial-gradient(circle at top, rgba(180, 219, 187, 0.58), transparent 30%),
		radial-gradient(circle at 80% 10%, rgba(223, 236, 228, 0.85), transparent 26%),
		linear-gradient(180deg, #f8fbf8 0%, #f3f8f2 36%, var(--bg) 100%);
	color: var(--text);
}

a {
	color: inherit;
	text-decoration: none;
}

img {
	max-width: 100%;
	display: block;
}

.page-shell {
	width: min(calc(100% - 40px), var(--max-width));
	margin: 0 auto;
	padding: 24px 0 48px;
}

.site-header {
	position: sticky;
	top: 18px;
	z-index: 10;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 20px;
	padding: 16px 22px;
	margin-bottom: 28px;
	background: rgba(255, 255, 255, 0.72);
	border: 1px solid rgba(255, 255, 255, 0.7);
	border-radius: var(--radius-pill);
	backdrop-filter: blur(20px);
	box-shadow: 0 18px 48px rgba(24, 36, 26, 0.06);
}

.brand {
	font-size: 1rem;
	font-weight: 800;
	letter-spacing: -0.03em;
}

.site-nav {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 18px;
}

.site-nav a,
.site-footer a {
	color: var(--muted);
	transition: color 180ms ease;
}

.site-nav a:hover,
.site-footer a:hover {
	color: var(--text);
}

.hero,
.section,
.site-footer {
	position: relative;
}

.hero {
	padding: 72px 0 44px;
	text-align: center;
}

.hero-title-stage {
	position: relative;
	max-width: 980px;
	margin: 0 auto;
	padding: clamp(28px, 5vw, 54px) 20px;
}

.hero-title-wrap {
	position: relative;
	z-index: 2;
	display: flex;
	align-items: center;
	justify-content: center;
	min-height: clamp(220px, 34vw, 340px);
}

.eyebrow {
	margin: 0 0 14px;
	font-size: 0.83rem;
	font-weight: 700;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--accent-deep);
}

h1,
h2,
h3,
p {
	margin: 0;
}

h1 {
	max-width: 920px;
	font-size: clamp(3.5rem, 7vw, 6.25rem);
	line-height: 0.94;
	letter-spacing: -0.07em;
	text-shadow: 0 14px 34px rgba(255, 255, 255, 0.72);
}

.hero-video-backdrop {
	position: relative;
	margin: 0 auto;
	max-width: 900px;
	border-radius: 44px;
	overflow: hidden;
	background: linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(226, 238, 228, 0.72));
	border: 1px solid rgba(47, 93, 59, 0.1);
	box-shadow: 0 28px 90px rgba(33, 51, 37, 0.12);
}

.hero-video-backdrop::before {
	content: "";
	position: absolute;
	inset: 0;
	background:
		linear-gradient(180deg, rgba(249, 252, 249, 0.45), rgba(249, 252, 249, 0.12)),
		radial-gradient(circle at 50% 50%, transparent 28%, rgba(248, 251, 248, 0.68) 90%);
	z-index: 1;
	pointer-events: none;
}

.hero-video-backdrop::after {
	content: "";
	position: absolute;
	inset: -18px;
	border-radius: 56px;
	background: radial-gradient(circle, rgba(95, 147, 104, 0.16), transparent 62%);
	filter: blur(22px);
	z-index: -1;
	opacity: 0.9;
}

.hero-background-video {
	display: block;
	width: 100%;
	aspect-ratio: 16 / 9;
	object-fit: cover;
	opacity: 0;
	transform: scale(1.02);
	filter: saturate(0.92) contrast(0.96) brightness(1.02);
	animation:
		title-video-reveal 1.25s cubic-bezier(0.22, 1, 0.36, 1) 0.2s forwards,
		title-video-float 7s ease-in-out 1.6s infinite;
}

.hero-title-stage .hero-title-wrap {
	position: absolute;
	inset: 0;
	padding: clamp(18px, 4vw, 38px);
}

.hero-copy {
	max-width: 720px;
	margin: 26px auto 0;
	font-size: clamp(1.1rem, 2vw, 1.45rem);
	line-height: 1.6;
	color: var(--muted);
}

.hero-collaboration {
	max-width: 920px;
	margin: 22px auto 0;
}

.hero-collaboration-title {
	margin-bottom: 16px;
	font-size: clamp(1rem, 1.8vw, 1.18rem);
	font-weight: 700;
	letter-spacing: -0.03em;
	color: var(--text);
}

.collaborator-marquee {
	position: relative;
	overflow: hidden;
	padding: 6px 0;
	mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
	-webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}

.collaborator-track {
	display: flex;
	width: max-content;
	gap: 14px;
	animation: collaborator-scroll 28s linear infinite;
}

.collaborator-chip {
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	justify-content: center;
	min-width: 210px;
	padding: 16px 20px;
	border: 1px solid rgba(47, 93, 59, 0.08);
	border-radius: 22px;
	background: rgba(255, 255, 255, 0.74);
	box-shadow: 0 14px 34px rgba(33, 51, 37, 0.06);
	backdrop-filter: blur(18px);
	text-align: left;
}

.collaborator-chip strong {
	font-size: 0.98rem;
	letter-spacing: -0.02em;
}

.collaborator-chip span {
	margin-top: 4px;
	color: var(--muted);
	font-size: 0.92rem;
}

.hero-actions {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 14px;
	margin-top: 36px;
}

.button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 56px;
	padding: 0 24px;
	border-radius: var(--radius-pill);
	font-size: 0.98rem;
	font-weight: 700;
	transition:
		transform 180ms ease,
		box-shadow 180ms ease,
		background-color 180ms ease,
		border-color 180ms ease,
		color 180ms ease;
}

.button:hover {
	transform: translateY(-2px);
}

.button-primary {
	background: var(--text);
	color: #ffffff;
	box-shadow: 0 18px 36px rgba(22, 32, 22, 0.16);
}

.button-primary:hover {
	background: #223523;
	box-shadow: 0 22px 42px rgba(22, 32, 22, 0.2);
}

.button-secondary {
	background: rgba(255, 255, 255, 0.75);
	color: var(--text);
	border: 1px solid var(--line);
	backdrop-filter: blur(16px);
}

.button-secondary:hover {
	border-color: rgba(47, 93, 59, 0.2);
	background: rgba(255, 255, 255, 0.95);
}

.section {
	padding: 56px 0;
}

.section-heading {
	max-width: 740px;
	margin: 0 auto;
	text-align: center;
}

h2 {
	font-size: clamp(2rem, 4vw, 3.6rem);
	line-height: 1.05;
	letter-spacing: -0.05em;
}

.section-copy,
.lead,
.intro-grid p,
.workflow-card p,
.maintainer-card p,
.site-footer p {
	color: var(--muted);
	line-height: 1.7;
	font-size: 1rem;
}

.intro-grid {
	display: grid;
	grid-template-columns: 1.15fr 0.85fr;
	gap: 28px;
	margin-top: 34px;
	padding: 38px;
	border: 1px solid rgba(47, 93, 59, 0.08);
	border-radius: var(--radius-xl);
	background: rgba(255, 255, 255, 0.72);
	box-shadow: 0 20px 64px rgba(33, 51, 37, 0.06);
}

.lead {
	font-size: 1.18rem;
	color: var(--text);
}

.workflow-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 286px));
	justify-content: center;
	gap: 18px;
	margin-top: 36px;
	margin-inline: auto;
	width: min(100%, 980px);
}

.workflow-card,
.maintainer-card,
.platform-panel {
	border: 1px solid rgba(47, 93, 59, 0.08);
	background: rgba(255, 255, 255, 0.76);
	box-shadow: 0 20px 64px rgba(33, 51, 37, 0.06);
	backdrop-filter: blur(18px);
}

.workflow-card {
	padding: 26px;
	border-radius: var(--radius-lg);
}

.step-index {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 48px;
	height: 34px;
	padding: 0 12px;
	margin-bottom: 18px;
	border-radius: var(--radius-pill);
	background: var(--accent-soft);
	color: var(--accent-deep);
	font-size: 0.86rem;
	font-weight: 800;
	letter-spacing: 0.06em;
}

.workflow-card h3,
.maintainer-card h3 {
	font-size: 1.2rem;
	letter-spacing: -0.03em;
}

.maintainer-card h3 a {
	transition: color 180ms ease, opacity 180ms ease;
}

.maintainer-card h3 a:hover {
	color: var(--accent-deep);
}

.workflow-card p,
.maintainer-card p {
	margin-top: 12px;
}

.platform-panel {
	padding: 44px;
	border-radius: 36px;
	text-align: center;
}

.platform-panel .section-heading {
	margin-bottom: 18px;
}

.platform-panel .button {
	margin-top: 28px;
}

.contribute-section {
	text-align: center;
}

.contribute-copy {
	max-width: 760px;
	margin: 24px auto 0;
}

.contribute-section .button {
	margin-top: 28px;
}

.maintainers-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 18px;
	margin-top: 36px;
}

.maintainer-card {
	padding: 28px;
	border-radius: var(--radius-lg);
	text-align: center;
}

.site-footer {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 18px;
	padding: 28px 4px 12px;
	border-top: 1px solid rgba(47, 93, 59, 0.08);
}

.site-footer div {
	display: flex;
	flex-wrap: wrap;
	gap: 18px;
}

.fade-in {
	opacity: 0;
	transform: translateY(24px);
	animation: section-fade 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.hero.fade-in {
	animation-delay: 0.1s;
}

.intro.fade-in {
	animation-delay: 0.18s;
}

.workflow-section.fade-in {
	animation-delay: 0.26s;
}

.platform-section.fade-in {
	animation-delay: 0.34s;
}

.contribute-section.fade-in {
	animation-delay: 0.42s;
}

.maintainers-section.fade-in {
	animation-delay: 0.5s;
}

.site-footer.fade-in {
	animation-delay: 0.58s;
}

@keyframes section-fade {
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

@keyframes title-video-reveal {
	to {
		opacity: 1;
		transform: scale(1);
	}
}

@keyframes title-video-float {
	0%,
	100% {
		transform: scale(1) translateY(0);
	}

	50% {
		transform: scale(1.01) translateY(-4px);
	}
}

@keyframes collaborator-scroll {
	from {
		transform: translateX(0);
	}

	to {
		transform: translateX(calc(-50% - 7px));
	}
}

@media (max-width: 1100px) {
	.workflow-grid {
		grid-template-columns: repeat(2, minmax(0, 286px));
	}

	.maintainers-grid,
	.intro-grid {
		grid-template-columns: 1fr;
	}
}

@media (max-width: 760px) {
	.page-shell {
		width: min(calc(100% - 24px), var(--max-width));
		padding-top: 14px;
	}

	.site-header {
		position: static;
		flex-direction: column;
		padding: 18px;
		border-radius: 26px;
	}

	.site-nav {
		gap: 14px;
	}

	.hero {
		padding: 48px 0 28px;
	}

	.hero-title-wrap {
		min-height: clamp(190px, 42vw, 280px);
	}

	.collaborator-chip {
		min-width: 190px;
	}

	.intro-grid,
	.platform-panel,
	.workflow-card,
	.maintainer-card {
		padding: 22px;
	}

	.workflow-grid,
	.maintainers-grid {
		grid-template-columns: 1fr;
	}

	.button {
		width: 100%;
	}

	.hero-actions {
		flex-direction: column;
	}

	.site-footer {
		padding-top: 24px;
	}
}

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

	.fade-in,
	.button,
	.site-nav a,
	.site-footer a,
	.hero-background-video,
	.collaborator-track {
		animation: none;
		transition: none;
		transform: none;
		opacity: 1;
	}
}