:root {
	--page-bg: #f2f7f6;
	--surface: #ffffff;
	--surface-soft: #eaf4f2;
	--ink: #102033;
	--muted: #5a6b78;
	--line: rgba(16, 32, 51, 0.12);
	--teal: #0f9b8e;
	--teal-deep: #0a6c67;
	--teal-light: #8ef1e3;
	--navy: #0f172a;
	--shadow: 0 24px 60px rgba(15, 23, 42, 0.12);
}

* {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

body {
	background: var(--page-bg);
	color: var(--ink);
	font-family: "Manrope", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
	margin: 0;
	min-width: 320px;
}

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

a {
	color: var(--teal-deep);
}

a:focus-visible,
button:focus-visible,
video:focus-visible {
	outline: 3px solid #f6c85f;
	outline-offset: 4px;
}

.skip-link {
	background: #fff;
	border-radius: 0 0 10px 10px;
	color: var(--navy);
	font-weight: 800;
	left: 1rem;
	padding: 0.75rem 1rem;
	position: fixed;
	top: -5rem;
	z-index: 100;
}

.skip-link:focus {
	top: 0;
}

.container {
	margin: 0 auto;
	width: min(1180px, calc(100% - 3rem));
}

.site-header {
	background:
		radial-gradient(circle at 82% 10%, rgba(33, 198, 181, 0.26), transparent 26rem),
		linear-gradient(135deg, #07101d 0%, #10283b 100%);
	color: #fff;
}

.site-nav {
	align-items: center;
	display: flex;
	gap: 1.5rem;
	justify-content: space-between;
	padding: 1.35rem 0;
}

.brand-mark {
	color: #fff;
	display: inline-flex;
	flex-direction: column;
	line-height: 1;
	text-decoration: none;
}

.brand-kicker {
	font-size: 0.72rem;
	font-weight: 800;
	letter-spacing: 0.22em;
	text-transform: uppercase;
}

.brand-name {
	font-size: 1.28rem;
	font-weight: 800;
	letter-spacing: -0.04em;
}

.nav-links {
	align-items: center;
	display: flex;
	flex-wrap: wrap;
	gap: 0.7rem;
	justify-content: flex-end;
}

.nav-links a {
	border-radius: 999px;
	color: rgba(255, 255, 255, 0.86);
	font-size: 0.9rem;
	font-weight: 700;
	padding: 0.7rem 0.9rem;
	text-decoration: none;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
	background: rgba(255, 255, 255, 0.1);
	color: #fff;
}

.nav-links .nav-cta {
	background: var(--teal-light);
	color: #052622;
}

.hero {
	padding: 5.4rem 0 6rem;
}

.hero-compact {
	padding: 3.8rem 0 4.4rem;
}

.hero-grid {
	align-items: end;
	display: grid;
	gap: 3rem;
	grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
}

.eyebrow {
	color: var(--teal-light);
	display: inline-block;
	font-size: 0.78rem;
	font-weight: 800;
	letter-spacing: 0.2em;
	margin-bottom: 1rem;
	text-transform: uppercase;
}

.hero h1 {
	color: #fff;
	font-size: clamp(2.65rem, 6vw, 5.4rem);
	font-weight: 800;
	letter-spacing: -0.055em;
	line-height: 0.96;
	margin: 0 0 1.2rem;
	max-width: 13ch;
}

.hero-compact h1 {
	font-size: clamp(2.45rem, 5vw, 4.5rem);
	max-width: 16ch;
}

.hero .lede {
	color: rgba(255, 255, 255, 0.78);
	font-size: 1.08rem;
	line-height: 1.8;
	margin: 0;
	max-width: 48rem;
}

.hero-note {
	background: rgba(255, 255, 255, 0.08);
	border: 1px solid rgba(255, 255, 255, 0.12);
	border-radius: 22px;
	padding: 1.35rem;
}

.hero-note strong {
	color: #fff;
	display: block;
	font-size: 1.05rem;
	margin-bottom: 0.45rem;
}

.hero-note p {
	color: rgba(255, 255, 255, 0.72);
	font-size: 0.92rem;
	line-height: 1.7;
	margin: 0;
}

.breadcrumb {
	color: rgba(255, 255, 255, 0.68);
	font-size: 0.86rem;
	margin-bottom: 1.4rem;
}

.breadcrumb a {
	color: var(--teal-light);
	text-decoration: none;
}

.meta-row,
.tag-row {
	display: flex;
	flex-wrap: wrap;
	gap: 0.65rem;
	margin-top: 1.35rem;
}

.meta-chip,
.tag {
	background: rgba(142, 241, 227, 0.12);
	border: 1px solid rgba(142, 241, 227, 0.18);
	border-radius: 999px;
	color: #c7fff7;
	font-size: 0.78rem;
	font-weight: 800;
	padding: 0.55rem 0.75rem;
}

.section {
	padding: 5rem 0;
}

.section-soft {
	background: linear-gradient(180deg, #e9f2f0 0%, #f5f9f8 100%);
}

.section-header {
	margin-bottom: 2rem;
	max-width: 50rem;
}

.section-header .eyebrow {
	color: var(--teal-deep);
}

.section-header h2,
.content-card h2,
.side-card h2 {
	color: var(--navy);
	font-size: clamp(1.8rem, 3vw, 3rem);
	font-weight: 800;
	letter-spacing: -0.045em;
	line-height: 1.05;
	margin: 0 0 0.8rem;
}

.section-header p,
.content-card p,
.content-card li,
.side-card p,
.side-card li {
	color: var(--muted);
	line-height: 1.75;
}

.demo-grid {
	display: grid;
	gap: 1.35rem;
	grid-template-columns: repeat(2, minmax(0, 1fr));
}

.demo-card,
.content-card,
.side-card {
	background: rgba(255, 255, 255, 0.9);
	border: 1px solid var(--line);
	border-radius: 24px;
	box-shadow: var(--shadow);
	overflow: hidden;
}

.demo-card {
	display: flex;
	flex-direction: column;
}

.demo-poster {
	aspect-ratio: 16 / 9;
	background: #dce9e7;
	overflow: hidden;
	position: relative;
}

.demo-poster img {
	height: 100%;
	object-fit: cover;
	transition: transform 0.28s ease;
	width: 100%;
}

.demo-card:hover .demo-poster img {
	transform: scale(1.025);
}

.play-badge,
.duration-badge {
	position: absolute;
}

.play-badge {
	align-items: center;
	background: rgba(15, 23, 42, 0.86);
	border: 1px solid rgba(255, 255, 255, 0.22);
	border-radius: 50%;
	color: #fff;
	display: flex;
	font-size: 1.1rem;
	height: 3.5rem;
	justify-content: center;
	left: 50%;
	top: 50%;
	transform: translate(-50%, -50%);
	width: 3.5rem;
}

.duration-badge {
	background: rgba(15, 23, 42, 0.86);
	border-radius: 8px;
	bottom: 0.75rem;
	color: #fff;
	font-size: 0.74rem;
	font-weight: 800;
	right: 0.75rem;
	padding: 0.38rem 0.5rem;
}

.demo-card-body {
	display: flex;
	flex: 1;
	flex-direction: column;
	padding: 1.35rem;
}

.demo-label {
	color: var(--teal-deep);
	font-size: 0.75rem;
	font-weight: 800;
	letter-spacing: 0.13em;
	margin-bottom: 0.6rem;
	text-transform: uppercase;
}

.demo-card h2,
.demo-card h3 {
	color: var(--navy);
	font-size: 1.3rem;
	font-weight: 800;
	letter-spacing: -0.035em;
	line-height: 1.2;
	margin: 0 0 0.7rem;
}

.demo-card p {
	color: var(--muted);
	font-size: 0.92rem;
	line-height: 1.7;
	margin: 0 0 1.2rem;
}

.card-link {
	align-items: center;
	color: var(--teal-deep);
	display: inline-flex;
	font-size: 0.9rem;
	font-weight: 800;
	gap: 0.4rem;
	margin-top: auto;
	text-decoration: none;
}

.watch-section {
	padding: 2.5rem 0 5rem;
}

.video-frame {
	background: #07101d;
	border-radius: 26px;
	box-shadow: 0 28px 72px rgba(15, 23, 42, 0.22);
	overflow: hidden;
}

.video-frame video {
	aspect-ratio: 16 / 9;
	background: #07101d;
	height: auto;
	width: 100%;
}

.video-disclosure {
	align-items: center;
	background: #10283b;
	color: rgba(255, 255, 255, 0.76);
	display: flex;
	font-size: 0.82rem;
	gap: 0.65rem;
	line-height: 1.55;
	padding: 0.85rem 1.1rem;
}

.video-disclosure strong {
	color: var(--teal-light);
}

.watch-grid {
	align-items: start;
	display: grid;
	gap: 1.4rem;
	grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.7fr);
	margin-top: 1.5rem;
}

.content-stack,
.side-stack {
	display: grid;
	gap: 1.4rem;
}

.content-card,
.side-card {
	padding: 1.6rem;
}

.content-card h2,
.side-card h2 {
	font-size: 1.45rem;
}

.content-card h3 {
	color: var(--navy);
	font-size: 1.05rem;
	margin: 1.5rem 0 0.4rem;
}

.content-card p,
.side-card p {
	margin: 0 0 1rem;
}

.content-card p:last-child,
.side-card p:last-child {
	margin-bottom: 0;
}

.chapter-list,
.check-list {
	list-style: none;
	margin: 0;
	padding: 0;
}

.chapter-list li + li,
.check-list li + li {
	border-top: 1px solid var(--line);
}

.chapter-link {
	align-items: center;
	background: transparent;
	border: 0;
	color: var(--ink);
	cursor: pointer;
	display: flex;
	font: inherit;
	font-weight: 700;
	gap: 0.8rem;
	padding: 0.85rem 0;
	text-align: left;
	width: 100%;
}

.chapter-time {
	background: var(--surface-soft);
	border-radius: 8px;
	color: var(--teal-deep);
	font-size: 0.74rem;
	font-weight: 800;
	padding: 0.35rem 0.45rem;
}

.check-list li {
	color: var(--muted);
	line-height: 1.6;
	padding: 0.8rem 0 0.8rem 1.4rem;
	position: relative;
}

.check-list li::before {
	color: var(--teal);
	content: "✓";
	font-weight: 900;
	left: 0;
	position: absolute;
}

.transcript p {
	padding-left: 3.8rem;
	position: relative;
}

.transcript time {
	color: var(--teal-deep);
	font-size: 0.78rem;
	font-weight: 800;
	left: 0;
	position: absolute;
	top: 0.18rem;
}

.cta-card {
	background: linear-gradient(135deg, #0f172a, #16394a);
	color: #fff;
}

.cta-card h2,
.cta-card p {
	color: #fff;
}

.cta-card p {
	color: rgba(255, 255, 255, 0.72);
}

.button-row {
	display: flex;
	flex-wrap: wrap;
	gap: 0.8rem;
	margin-top: 1.2rem;
}

.button {
	align-items: center;
	border-radius: 14px;
	display: inline-flex;
	font-size: 0.9rem;
	font-weight: 800;
	justify-content: center;
	min-height: 3rem;
	padding: 0.8rem 1rem;
	text-decoration: none;
}

.button-primary {
	background: linear-gradient(135deg, var(--teal), #21c6b5);
	color: #031312;
}

.button-secondary {
	border: 1px solid rgba(255, 255, 255, 0.2);
	color: #fff;
}

.site-footer {
	background: #0b1220;
	color: rgba(255, 255, 255, 0.68);
	padding: 2.2rem 0;
}

.footer-grid {
	align-items: center;
	display: flex;
	font-size: 0.84rem;
	gap: 1rem;
	justify-content: space-between;
}

.footer-links {
	display: flex;
	flex-wrap: wrap;
	gap: 1rem;
}

.footer-links a {
	color: rgba(255, 255, 255, 0.72);
	text-decoration: none;
}

@media (max-width: 900px) {
	.hero-grid,
	.watch-grid {
		grid-template-columns: 1fr;
	}

	.demo-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.hero h1 {
		max-width: 16ch;
	}
}

@media (max-width: 640px) {
	.container {
		width: min(1180px, calc(100% - 1.5rem));
	}

	.site-nav,
	.footer-grid {
		align-items: flex-start;
		flex-direction: column;
	}

	.nav-links {
		justify-content: flex-start;
	}

	.hero,
	.hero-compact {
		padding: 3.5rem 0 4rem;
	}

	.demo-grid {
		grid-template-columns: 1fr;
	}

	.section {
		padding: 4rem 0;
	}

	.transcript p {
		padding-left: 0;
	}

	.transcript time {
		display: block;
		margin-bottom: 0.25rem;
		position: static;
	}
}

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

	.demo-poster img {
		transition: none;
	}
}