/*
 * 홈(/) — 따뜻한 종이 표면 · 보라색 강조 · 학습 카드.
 * 목표는 "여백이 많고 읽기 쉬운" 첫 화면이다. 섹션 사이를 넉넉히 띄우고 카드 본문을 1rem 가까이 키운다.
 * 선택자는 .home 아래로 좁힌다(app.css 의 .page·.content 등과 겹치지 않게). 방향이 있는 속성은 논리 속성만 쓴다(ar·ur).
 * 환영 영역 오른쪽은 토큰 필드 장식(.token-field — 숫자·확률값을 넣지 않는 장식) 위에 리엔 3D 모델(.home-lyen)을 얹는다.
 */

/* ── 토큰 필드 캔버스(<x-visual.token-field>) ─────── */
.token-field {
	position: absolute;
	inset: 0;
	inline-size: 100%;
	block-size: 100%;
	pointer-events: none;
}

/* ── 홈 틀 ─────────────────────────────────────── */
.home {
	--home-section-gap: clamp(3rem, 5vw, 4.5rem);
	display: grid;
	gap: var(--home-section-gap);
	padding-block-end: 5rem;
	/* 히어로 글로우가 좌우로 번져도 가로 스크롤이 생기지 않게 자른다(스크롤 영역은 만들지 않는다) */
	overflow-x: clip;
}
.home :is(h1, h2, h3) {
	font-family: inherit;
	color: var(--pes-ink);
	font-weight: 750;
	letter-spacing: -0.04em;
	word-break: keep-all;
	text-wrap: balance;
}
.home :is(h2, h3, p) {
	margin: 0;
}

/* ── 환영 영역 ─────────────────────────────────── */
/* 소개 패널 — 두 열의 글과 기존 리엔 모델을 같은 카드에 둔다. */
.home-welcome {
	position: relative;
	isolation: isolate;
	display: grid;
	grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
	align-items: center;
	gap: var(--wa-space-l);
	min-block-size: 30rem;
	padding: clamp(1.5rem, 3vw, 3rem);
	border: 1px solid var(--pes-border);
	border-radius: var(--pes-radius-panel);
	background: var(--pes-surface);
	box-shadow: var(--pes-shadow-card);
}
.home-welcome-copy {
	position: relative;
	z-index: 1;
	padding-block: var(--wa-space-m);
}
/* 소개 문구는 떠 있는 알약 배지 — 배경 글로우 위에서도 또렷하다. */
.home-eyebrow {
	display: inline-flex;
	align-items: center;
	gap: 0.6rem;
	padding-block: 0.42rem;
	padding-inline: 0.75rem 0.95rem;
	border: 1px solid color-mix(in oklab, var(--pes-accent) 24%, var(--pes-border));
	border-radius: var(--pes-radius-sm);
	background: var(--pes-accent-soft);
	color: var(--pes-accent-ink);
	font-size: 0.82rem;
	font-weight: 650;
	letter-spacing: 0.01em;
}
.home-eyebrow-dot {
	flex: 0 0 auto;
	inline-size: 0.5rem;
	block-size: 0.5rem;
	border-radius: 50%;
	background: var(--pes-accent);
	box-shadow: 0 0 0 4px color-mix(in oklab, var(--pes-accent) 18%, transparent);
}
.home .home-welcome h1 {
	margin-block: 1.6rem 1.4rem;
	font-size: clamp(2.2rem, 3.2vw, 3.65rem);
	line-height: 1.2;
	letter-spacing: -0.045em;
}
/* 강조 문장도 단색으로 — 밝은 테마와 어두운 테마 모두 같은 대비. */
.home-welcome h1 em {
	font-style: normal;
	color: var(--pes-accent-ink);
}
.home-welcome-desc {
	max-inline-size: 34rem;
	color: color-mix(in oklab, var(--pes-muted) 72%, var(--pes-ink));
	font-size: clamp(1rem, 1.05vw, 1.12rem);
	line-height: 1.85;
	word-break: keep-all;
}
.home-welcome-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.85rem;
	margin-block-start: var(--wa-space-xl);
}
.home-welcome-actions .pes-button {
	gap: 0.65rem;
	min-block-size: 3.25rem;
	padding-inline: 1.35rem;
	border-radius: var(--pes-radius-control);
	font-size: 0.98rem;
	font-weight: 650;
}
.home-welcome-actions .pes-button-primary {
	background: var(--pes-accent);
	box-shadow: none;
}
.home-welcome-actions .pes-button:not(.pes-button-primary) {
	background: var(--pes-surface);
	border-color: color-mix(in oklab, var(--pes-accent) 18%, var(--pes-border));
	box-shadow: var(--pes-shadow-card);
}
.home .home-welcome-note {
	display: flex;
	align-items: center;
	gap: 0.55rem;
	margin-block-start: 1.8rem;
	color: var(--pes-muted);
	font-size: 0.86rem;
}
.home-welcome-note i {
	color: var(--pes-success);
}

/* 기존 토큰 필드와 리엔 모델 — 단정한 세로 패널에 담는다. */
.home-welcome-visual {
	position: relative;
	isolation: isolate;
	min-inline-size: 0;
	block-size: clamp(20rem, 28vw, 27rem);
	border: 1px solid color-mix(in srgb, var(--pes-accent) 18%, var(--pes-border));
	border-radius: var(--pes-radius-panel);
	overflow: clip;
	background: color-mix(in srgb, var(--pes-accent-soft) 65%, var(--pes-canvas));
}
.home-welcome-visual .token-field {
	z-index: 1;
}
.home-orbit {
	position: absolute;
	inset: 14% 6% 13%;
	border: 1px solid color-mix(in oklab, var(--pes-accent-ink) 28%, transparent);
	border-radius: 50%;
	transform: rotate(-24deg);
}
.home-orbit::after {
	content: '';
	position: absolute;
	inset: 18%;
	border: 1px dashed color-mix(in oklab, var(--pes-success) 30%, transparent);
	border-radius: 50%;
}
.home-spark {
	position: absolute;
	z-index: 2;
	color: var(--pes-accent-ink);
	line-height: 1;
}
.home-spark-one {
	inset-block-start: 18%;
	inset-inline-start: 12%;
	font-size: 2rem;
}
.home-spark-two {
	inset-block-start: 58%;
	inset-inline-end: 10%;
	font-size: 2.7rem;
	color: var(--pes-warning);
}

/* ── 리엔 3D 모델(public/js/pages/home-lyen.js) ─── 늦게 받아 다 그려지면(.is-ready) 천천히 나타난다 */
.home-lyen {
	position: absolute;
	inset: 0;
	z-index: 3;
	inline-size: 100%;
	block-size: 100%;
	opacity: 0;
	transition: opacity 0.8s ease;
	touch-action: pan-y;
	pointer-events: none;
}
.home-lyen.is-ready {
	opacity: 1;
}
@media (prefers-reduced-motion: reduce) {
	.home-lyen {
		transition: none;
	}
}

/* ── 섹션 공통 머리 ─────────────────────────────── */
.home-section-head {
	display: flex;
	align-items: flex-end;
	justify-content: space-between;
	gap: 1.5rem;
}
.home .home-section-head h2,
.home .home-truth-head h2 {
	margin-block-start: 1.1rem;
	font-size: clamp(1.8rem, 2.4vw, 2.5rem);
	line-height: 1.3;
}
.home .home-section-intro {
	max-inline-size: 58ch;
	margin-block: 1rem 2.25rem;
	color: var(--pes-muted);
	font-size: 1.05rem;
	line-height: 1.85;
}
.home-text-link {
	display: inline-flex;
	align-items: center;
	gap: 0.55rem;
	min-block-size: 2.75rem;
	padding: 0.45rem 1.05rem;
	border: 1px solid var(--pes-border);
	border-radius: var(--pes-radius-control);
	background: var(--pes-surface);
	color: var(--pes-accent-ink);
	font-size: 0.9rem;
	font-weight: 650;
	text-decoration: none;
	white-space: nowrap;
	box-sizing: border-box;
	transition:
		border-color var(--pes-motion),
		background-color var(--pes-motion);
}
.home-text-link:hover {
	border-color: color-mix(in srgb, var(--pes-accent) 50%, var(--pes-border));
	background: var(--pes-accent-soft);
}

/* ── 카드 공통(첫걸음 · 과목) ─────────────────────── */
.home :is(.home-path-card, .home-subject-card) {
	min-inline-size: 0;
	border: 1px solid var(--pes-border);
	border-radius: var(--pes-radius-card);
	background: var(--pes-surface);
	color: var(--pes-ink);
	box-shadow: var(--pes-shadow-card);
	text-decoration: none;
	transition:
		border-color var(--pes-motion),
		box-shadow var(--pes-motion),
		transform var(--pes-motion-fast);
}
.home :is(.home-path-card, .home-subject-card):hover {
	border-color: color-mix(in srgb, var(--pes-accent) 45%, var(--pes-border));
	box-shadow: var(--pes-shadow-hover);
	transform: var(--pes-lift-strong);
}
.home :is(.home-path-icon, .home-subject-icon) {
	--tile-ink: var(--pes-accent-ink);
	--tile-bg: var(--pes-accent-soft);
	display: inline-grid;
	place-items: center;
	flex: 0 0 auto;
	inline-size: 2.75rem;
	block-size: 2.75rem;
	border-radius: var(--pes-radius-control);
	background: var(--tile-bg);
	color: var(--tile-ink);
	font-size: 1.15rem;
}
.home :is(.home-path-card, .home-subject-card, .home-truth-item, .home-principles) p {
	font-size: 0.97rem;
	color: var(--pes-muted);
	line-height: 1.85;
	word-break: keep-all;
	overflow-wrap: anywhere;
}

/* ── 오늘의 첫걸음 ─────────────────────────────── */
.home-path-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 1.5rem;
}
.home-path-card {
	--path-color: var(--pes-accent-ink);
	--path-bg: var(--pes-accent-soft);
	position: relative;
	display: flex;
	flex-direction: column;
	padding: var(--wa-space-l);
}
/* 카드마다 과목 색의 얇은 선을 둔다. */
.home-path-card::before {
	content: '';
	position: absolute;
	inset-block-start: 0;
	inset-inline: var(--wa-space-l);
	block-size: 3px;
	border-radius: 0 0 3px 3px;
	background: var(--path-color);
	opacity: 0.85;
}
.home-path-card[data-tone='mint'] {
	--path-color: var(--pes-success);
	--path-bg: var(--pes-success-soft);
}
.home-path-card[data-tone='peach'] {
	--path-color: var(--pes-warning);
	--path-bg: var(--pes-warning-soft);
}
.home-path-top {
	display: flex;
	align-items: center;
	justify-content: space-between;
	inline-size: 100%;
}
.home .home-path-icon {
	--tile-bg: var(--path-bg);
	--tile-ink: var(--path-color);
}
.home-path-number {
	color: var(--pes-muted);
	font-size: 0.8rem;
	font-weight: 700;
	font-variant-numeric: tabular-nums;
}
.home .home-path-card h3 {
	margin-block: 1.35rem 0.6rem;
	font-size: 1.2rem;
	line-height: 1.5;
}
.home-path-arrow {
	display: flex;
	justify-content: flex-end;
	margin-block-start: auto;
	padding-block-start: 1.4rem;
	color: var(--path-color);
	font-size: 1.1rem;
}

/* ── 빈칸 채우기(<x-ai.fill-in-blank>) — 간격은 .home 의 gap 이 준다 ── */

/* ── 인공지능의 실체 ───────────────────────────── */
.home-truth {
	padding: clamp(2rem, 3.5vw, 3.25rem);
	border: 1px solid color-mix(in oklab, var(--pes-accent) 14%, var(--pes-border));
	border-radius: var(--pes-radius-panel);
	background: var(--pes-accent-soft);
	box-shadow: var(--pes-shadow-card);
	scroll-margin-block-start: 6rem;
}
.home-truth-head {
	max-inline-size: 62ch;
}
.home .home-truth-head > p {
	margin-block-start: 1rem;
	color: var(--pes-muted);
	font-size: 1.05rem;
	line-height: 1.8;
}
.home-truth-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 2.25rem;
	margin-block: 2.5rem 2.25rem;
}
.home-truth-number {
	display: inline-grid;
	place-items: center;
	inline-size: 1.9rem;
	block-size: 1.9rem;
	border-radius: 50%;
	background: var(--pes-accent-soft);
	color: var(--pes-accent-ink);
	font-size: 0.74rem;
	font-weight: 700;
	font-variant-numeric: tabular-nums;
}
.home .home-truth-item h3 {
	margin-block: 0.7rem 0.6rem;
	font-size: 1.15rem;
	line-height: 1.5;
}

/* ── 과목(학습 지도) ───────────────────────────── */
.home-subject-grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 1.25rem;
}
.home-subject-card {
	display: flex;
	align-items: flex-start;
	gap: 1.1rem;
	padding: 1.6rem;
}
.home-subject-text {
	flex: 1;
	min-inline-size: 0;
}
.home .home-subject-card h3 {
	margin-block: 0.15rem 0.5rem;
	font-size: 1.15rem;
	line-height: 1.5;
}
.home-subject-arrow {
	flex-shrink: 0;
	color: var(--pes-muted);
	font-size: 0.8rem;
	transition:
		color var(--pes-motion-fast),
		translate var(--pes-motion-fast);
}
.home-subject-card:hover .home-subject-arrow {
	color: var(--pes-accent-ink);
	translate: 2px -2px;
}
[dir='rtl'] .home-subject-card:hover .home-subject-arrow {
	translate: -2px -2px;
}

/* ── 세 가지 원칙 ──────────────────────────────── */
.home-principles {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 2.5rem;
	padding-block-start: 3.25rem;
	border-block-start: 1px solid var(--pes-border);
}
.home-principle-mark {
	color: var(--pes-accent-ink);
	font-size: 0.78rem;
	font-weight: 700;
	letter-spacing: 0.06em;
	font-variant-numeric: tabular-nums;
}
.home .home-principles h3 {
	margin-block: 0.7rem 0.6rem;
	font-size: 1.2rem;
	line-height: 1.5;
}

/* 우르두어(나스탈리크)는 줄 높이가 커야 글자가 겹치지 않는다 */
:lang(ur) .home :is(h1, h2, h3, .home-eyebrow, .pes-kicker) {
	line-height: 2;
	letter-spacing: 0;
}

/* ── 반응형 — 사이드바가 차지하는 폭까지 고려한다 ─────── */
@media (min-width: 1100px) and (max-width: 1399px) {
	.home-welcome { grid-template-columns: minmax(0, 1fr); min-block-size: 0; }
	.home-welcome-visual { block-size: 16rem; inline-size: min(100%, 30rem); margin-inline: auto; }
	.home-path-grid, .home-truth-grid, .home-principles { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 860px) {
	.home-welcome { grid-template-columns: minmax(0, 1fr); gap: var(--wa-space-m); min-block-size: 0; text-align: center; }
	.home-welcome-copy { padding-block: var(--wa-space-s); }
	.home .home-welcome-desc { margin-inline: auto; }
	.home-welcome-actions, .home-welcome-note { justify-content: center; }
	.home-welcome-visual { inline-size: min(100%, 30rem); block-size: 16rem; margin-inline: auto; }
	.home-path-grid, .home-truth-grid, .home-principles { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 700px) {
	.home { --home-section-gap: 3rem; }
	.home .home-welcome h1 { font-size: clamp(2rem, 7.5vw, 2.65rem); }
	.home-welcome-actions .pes-button { flex: 1 1 12rem; }
	.home-welcome-visual { block-size: 15rem; }
	.home-path-grid { gap: var(--wa-space-m); }
	.home-path-card { padding: var(--wa-space-l); }
	.home .home-path-card h3 { margin-block-start: var(--wa-space-m); }
	.home-path-arrow { position: absolute; inset-block-start: 1.25rem; inset-inline-end: 1.4rem; padding-block-start: 0; }
	.home-path-number { margin-inline-end: 2.2rem; }
	.home-section-head { flex-wrap: wrap; align-items: flex-start; }
	.home-subject-grid { grid-template-columns: minmax(0, 1fr); }
	.home-subject-card { padding: var(--wa-space-m); }
	.home-truth { padding: var(--wa-space-l); }
	.home-truth-grid { gap: var(--wa-space-l); }
	.home-truth-item + .home-truth-item { padding-block-start: var(--wa-space-l); border-block-start: 1px solid var(--pes-border); }
	.home-principles { gap: var(--wa-space-xl); padding-block-start: var(--wa-space-xl); }
}
@media (prefers-reduced-motion: reduce) {
	.home :is(.home-path-card, .home-subject-card):hover,
	.home-subject-card:hover .home-subject-arrow { transform: none; translate: none; }
}