:root {
	--bg: #f3ecdf;
	--bg-deep: #ead9c6;
	--panel: rgba(255, 251, 246, 0.84);
	--panel-strong: rgba(255, 250, 243, 0.96);
	--ink: #1b2430;
	--muted: #5f6672;
	--line: rgba(27, 36, 48, 0.1);
	--accent: #d7653f;
	--accent-deep: #b34d2a;
	--teal: #0f7974;
	--gold: #d4a243;
	--shadow: 0 30px 60px rgba(92, 74, 52, 0.13);
	--radius-xl: 28px;
	--radius-lg: 22px;
	--radius-md: 18px;
}

* {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
	color: var(--ink);
	background:
		radial-gradient(circle at top left, rgba(212, 162, 67, 0.18), transparent 28%),
		radial-gradient(circle at top right, rgba(15, 121, 116, 0.18), transparent 30%),
		linear-gradient(180deg, #f8f3ea 0%, var(--bg) 55%, #efe1d0 100%);
	line-height: 1.6;
	min-height: 100vh;
}

a {
	color: inherit;
}

.backdrop,
.texture {
	pointer-events: none;
	position: fixed;
	inset: 0;
}

.backdrop-a {
	background: radial-gradient(circle at 10% 12%, rgba(215, 101, 63, 0.17), transparent 22%);
}

.backdrop-b {
	background: radial-gradient(circle at 88% 16%, rgba(15, 121, 116, 0.15), transparent 24%);
}

.texture {
	opacity: 0.35;
	background-image:
		linear-gradient(rgba(27, 36, 48, 0.02) 1px, transparent 1px),
		linear-gradient(90deg, rgba(27, 36, 48, 0.02) 1px, transparent 1px);
	background-size: 36px 36px;
}

.topbar,
.page-shell {
	position: relative;
	z-index: 1;
}

.topbar {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 24px;
	padding: 24px 32px 0;
}

.brand {
	display: inline-flex;
	align-items: center;
	gap: 12px;
	text-decoration: none;
	font-weight: 700;
}

.brand-mark {
	padding: 10px 14px;
	border-radius: 999px;
	background: var(--ink);
	color: #fff;
	font-size: 14px;
	letter-spacing: 0.08em;
	text-transform: uppercase;
}

.brand-copy {
	font-size: 15px;
	color: var(--muted);
}

.topnav {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
}

.topnav a {
	text-decoration: none;
	padding: 10px 14px;
	border-radius: 999px;
	background: rgba(255, 255, 255, 0.55);
	border: 1px solid rgba(27, 36, 48, 0.08);
	backdrop-filter: blur(16px);
	font-size: 14px;
	color: var(--muted);
}

.page-shell {
	max-width: 1360px;
	margin: 0 auto;
	padding: 24px 24px 80px;
}

.panel {
	background: var(--panel);
	border: 1px solid rgba(255, 255, 255, 0.72);
	backdrop-filter: blur(18px);
	box-shadow: var(--shadow);
	border-radius: var(--radius-xl);
}

.hero {
	display: grid;
	grid-template-columns: minmax(0, 1.3fr) minmax(320px, 0.9fr);
	gap: 28px;
	padding: 36px;
}

.eyebrow,
.phase-index {
	margin: 0 0 10px;
	text-transform: uppercase;
	letter-spacing: 0.12em;
	font-size: 12px;
	color: var(--accent-deep);
	font-weight: 700;
}

h1,
h2,
h3,
h4 {
	margin: 0;
	font-family: 'Fraunces', Georgia, serif;
	font-weight: 700;
	line-height: 1.08;
}

h1 {
	font-size: clamp(2.8rem, 6vw, 4.85rem);
	letter-spacing: -0.05em;
	max-width: 11ch;
}

h2 {
	font-size: clamp(1.8rem, 3vw, 2.6rem);
	letter-spacing: -0.04em;
}

h3 {
	font-size: 1.4rem;
	letter-spacing: -0.03em;
}

h4 {
	font-size: 1.05rem;
}

.hero-text,
.section-note,
.phase-summary,
.lesson-copy,
.flash-answer,
.keyword-copy,
.random-card-copy,
.phase-promise,
.source-stack,
.bullet-stack,
.cadence-list p,
.mini-track,
.progress-meter p,
.next-phase p {
	color: var(--muted);
}

.hero-text {
	max-width: 62ch;
	font-size: 1.04rem;
	margin: 18px 0 0;
}

.hero-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	margin-top: 26px;
}

.button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	border: 0;
	border-radius: 16px;
	padding: 14px 18px;
	text-decoration: none;
	font: inherit;
	font-weight: 700;
	cursor: pointer;
	transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover {
	transform: translateY(-1px);
}

.button.primary {
	background: linear-gradient(135deg, var(--accent) 0%, #ef8c54 100%);
	color: #fff;
	box-shadow: 0 14px 26px rgba(215, 101, 63, 0.22);
}

.button.secondary {
	background: rgba(255, 255, 255, 0.62);
	color: var(--ink);
	border: 1px solid rgba(27, 36, 48, 0.08);
}

.button-block {
	width: 100%;
}

.hero-aside {
	display: grid;
	gap: 18px;
}

.metric-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 12px;
}

.metric-card,
.mini-track,
.lesson-card,
.subpanel,
.keyword-row,
.overview-card,
.random-card {
	background: var(--panel-strong);
	border: 1px solid var(--line);
	border-radius: var(--radius-lg);
}

.metric-card {
	padding: 18px;
}

.metric-value {
	display: block;
	font-size: 2rem;
	font-weight: 700;
	font-family: 'Fraunces', Georgia, serif;
}

.metric-label {
	display: block;
	font-size: 0.88rem;
	color: var(--muted);
}

.mini-track {
	padding: 22px;
}

.mini-title {
	margin: 0 0 10px;
	font-weight: 700;
}

.mini-track ol {
	margin: 0;
	padding-left: 18px;
	display: grid;
	gap: 10px;
}

.system-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 20px;
	margin-top: 24px;
}

.system-grid .panel,
.memory-lab,
.glossary,
.sources {
	padding: 26px;
}

.bullet-stack,
.source-stack {
	margin: 18px 0 0;
	padding-left: 20px;
	display: grid;
	gap: 10px;
}

.cadence-list {
	margin-top: 18px;
	display: grid;
	gap: 14px;
}

.cadence-list div {
	display: grid;
	grid-template-columns: 38px 1fr;
	gap: 14px;
	align-items: start;
}

.cadence-list span {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 38px;
	height: 38px;
	border-radius: 50%;
	background: rgba(15, 121, 116, 0.12);
	color: var(--teal);
	font-weight: 700;
}

.roadmap {
	margin-top: 30px;
}

.section-head {
	display: flex;
	justify-content: space-between;
	gap: 24px;
	align-items: end;
	margin-bottom: 18px;
}

.section-note {
	max-width: 34ch;
	text-align: right;
}

.phase-overview {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 18px;
}

.overview-card {
	padding: 20px;
	text-decoration: none;
	position: relative;
	overflow: hidden;
}

.overview-card::after {
	content: '';
	position: absolute;
	inset: auto -10% -30% auto;
	width: 120px;
	height: 120px;
	background: radial-gradient(circle, rgba(212, 162, 67, 0.22), transparent 70%);
}

.overview-card.is-complete {
	border-color: rgba(15, 121, 116, 0.34);
}

.overview-card h3 {
	margin-top: 6px;
	font-size: 1.22rem;
}

.overview-card p {
	margin: 10px 0 0;
	color: var(--muted);
	font-size: 0.95rem;
}

.overview-meta {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-top: 18px;
	font-size: 0.86rem;
	color: var(--muted);
}

.status-pill,
.time-pill,
.source-pill,
.keyword-pill {
	display: inline-flex;
	align-items: center;
	border-radius: 999px;
	padding: 7px 10px;
	font-size: 0.78rem;
	font-weight: 700;
}

.status-pill {
	background: rgba(215, 101, 63, 0.12);
	color: var(--accent-deep);
}

.status-pill.is-complete {
	background: rgba(15, 121, 116, 0.13);
	color: var(--teal);
}

.time-pill,
.source-pill {
	background: rgba(27, 36, 48, 0.06);
	color: var(--ink);
}

.studio-layout {
	margin-top: 28px;
	display: grid;
	grid-template-columns: 320px minmax(0, 1fr);
	gap: 20px;
	align-items: start;
}

.sticky-panel {
	padding: 24px;
	position: sticky;
	top: 20px;
}

.progress-meter {
	margin-top: 14px;
}

.progress-track {
	height: 14px;
	background: rgba(27, 36, 48, 0.08);
	border-radius: 999px;
	overflow: hidden;
}

.progress-fill {
	height: 100%;
	width: 0;
	background: linear-gradient(90deg, var(--teal) 0%, var(--gold) 100%);
	border-radius: 999px;
	transition: width 0.2s ease;
}

.next-phase {
	margin-top: 18px;
	padding: 16px;
	border-radius: var(--radius-md);
	background: rgba(15, 121, 116, 0.08);
	border: 1px solid rgba(15, 121, 116, 0.14);
}

.next-phase h3 {
	font-size: 1.08rem;
}

.phase-nav {
	display: grid;
	gap: 10px;
	margin: 18px 0 18px;
}

.phase-nav a {
	text-decoration: none;
	padding: 12px 14px;
	border-radius: 16px;
	background: rgba(255, 255, 255, 0.7);
	border: 1px solid rgba(27, 36, 48, 0.08);
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 10px;
	font-size: 0.92rem;
}

.phase-nav span:last-child {
	color: var(--muted);
	font-size: 0.82rem;
}

.random-card {
	margin-top: 14px;
	padding: 16px;
}

.random-card-title {
	margin: 0;
	font-weight: 700;
}

.curriculum {
	display: grid;
	gap: 20px;
}

.phase-panel {
	padding: 26px;
}

.phase-head {
	display: flex;
	justify-content: space-between;
	gap: 16px;
	align-items: start;
}

.phase-head p {
	margin: 10px 0 0;
}

.phase-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	justify-content: end;
}

.phase-grid {
	display: grid;
	grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.9fr);
	gap: 18px;
	margin-top: 20px;
}

.subpanel {
	padding: 18px;
}

.subpanel + .subpanel {
	margin-top: 0;
}

.subpanel h4 {
	margin-bottom: 14px;
}

.lesson-list {
	display: grid;
	gap: 12px;
}

.lesson-card {
	padding: 16px;
}

.lesson-card h5 {
	margin: 0;
	font-size: 1rem;
}

.lesson-copy {
	margin: 8px 0 0;
	font-size: 0.95rem;
}

.check-stack,
.source-list {
	margin: 0;
	padding-left: 18px;
	display: grid;
	gap: 10px;
}

.term-cloud {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-bottom: 18px;
}

.keyword-pill {
	background: rgba(212, 162, 67, 0.14);
	color: #8a6112;
}

.memory-lab {
	margin-top: 24px;
}

.deck-filters {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin-bottom: 16px;
}

.filter-pill {
	border: 1px solid rgba(27, 36, 48, 0.1);
	background: rgba(255, 255, 255, 0.64);
	color: var(--ink);
	border-radius: 999px;
	padding: 10px 14px;
	font: inherit;
	font-size: 0.88rem;
	font-weight: 700;
	cursor: pointer;
}

.filter-pill.is-active {
	background: var(--ink);
	color: #fff;
}

.deck-stats {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	margin-bottom: 16px;
	color: var(--muted);
	font-size: 0.92rem;
}

.flashcard-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 16px;
}

.flashcard {
	padding: 18px;
	border-radius: var(--radius-lg);
	border: 1px solid var(--line);
	background: linear-gradient(180deg, rgba(255, 252, 248, 0.98) 0%, rgba(250, 244, 236, 0.96) 100%);
	box-shadow: 0 18px 32px rgba(92, 74, 52, 0.12);
	display: flex;
	flex-direction: column;
	gap: 14px;
	min-height: 320px;
}

.flash-phase {
	color: var(--muted);
	font-size: 0.78rem;
	text-transform: uppercase;
	letter-spacing: 0.1em;
	font-weight: 700;
}

.flash-term {
	font-size: 1.45rem;
	line-height: 1.1;
	font-family: 'Fraunces', Georgia, serif;
}

.flash-question {
	font-size: 0.98rem;
	color: var(--ink);
	line-height: 1.65;
}

.flashcard-reveal {
	align-self: flex-start;
	padding: 10px 14px;
	border-radius: 12px;
	border: 1px solid rgba(27, 36, 48, 0.1);
	background: rgba(255, 255, 255, 0.78);
	color: var(--ink);
	font: inherit;
	font-size: 0.88rem;
	font-weight: 700;
	cursor: pointer;
}

.flashcard-reveal:hover {
	background: rgba(255, 255, 255, 0.95);
}

.flashcard-result {
	display: none;
	padding-top: 14px;
	border-top: 1px solid var(--line);
}

.flashcard.is-revealed .flashcard-result {
	display: grid;
	gap: 12px;
}

.flash-result-block h4 {
	font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
	font-size: 0.75rem;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--accent-deep);
	margin: 0;
}

.flash-answer {
	margin: 6px 0 0;
	font-size: 0.94rem;
	color: var(--muted);
	line-height: 1.65;
}

.glossary,
.sources {
	margin-top: 24px;
}

.keyword-ledger {
	display: grid;
	gap: 12px;
}

.keyword-row {
	padding: 16px 18px;
	display: grid;
	grid-template-columns: minmax(190px, 240px) minmax(0, 1fr) auto;
	gap: 16px;
	align-items: start;
}

.keyword-term {
	font-family: 'Fraunces', Georgia, serif;
	font-size: 1.05rem;
}

.keyword-copy {
	font-size: 0.94rem;
}

.source-columns {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 22px;
}

.source-columns h3 {
	margin-bottom: 10px;
}

.source-columns ul {
	margin: 0;
	padding-left: 18px;
	display: grid;
	gap: 10px;
}

.phase-panel.is-complete,
.phase-nav a.is-complete {
	border-color: rgba(15, 121, 116, 0.22);
}

@media (max-width: 1180px) {
	.hero,
	.system-grid,
	.studio-layout,
	.phase-overview,
	.flashcard-grid,
	.source-columns {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.studio-layout {
		grid-template-columns: 1fr;
	}

	.sticky-panel {
		position: static;
	}
}

@media (max-width: 860px) {
	.topbar,
	.section-head,
	.phase-head,
	.phase-grid,
	.hero,
	.system-grid,
	.phase-overview,
	.flashcard-grid,
	.source-columns,
	.keyword-row {
		grid-template-columns: 1fr;
	}

	.topbar,
	.page-shell {
		padding-left: 18px;
		padding-right: 18px;
	}

	.topbar {
		flex-direction: column;
		align-items: flex-start;
	}

	.section-head {
		align-items: start;
	}

	.section-note {
		max-width: none;
		text-align: left;
	}

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

	.keyword-row {
		display: block;
	}

	.keyword-copy {
		margin: 10px 0;
	}
}