@charset "utf-8";

/* ============================================================
	msub1001 — 아카이브형
	연도 탭 + 호수별 커버 카드 그리드 + 목차 오버레이
	============================================================ */

/* ============================================================
	히어로
	============================================================ */
.ar-hero {
	position: relative;
	height: 60vh;
	min-height: 400px;
	overflow: hidden;
	display: flex;
	align-items: flex-end;
}

.ar-hero-bg {
	position: absolute;
	inset: 0;
	background-size: cover;
	background-position: center;
	transform: scale(1.08);
	will-change: transform;
	z-index: 0;
}

.ar-hero-dim {
	position: absolute;
	inset: 0;
	background: linear-gradient(to top, rgba(0, 0, 0, 0.78) 0%, rgba(0, 0, 0, 0.3) 50%, rgba(0, 0, 0, 0.05) 100%);
	z-index: 1;
}

.ar-hero-inner {
	position: relative;
	z-index: 2;
	width: 100%;
	max-width: 1599px;
	margin: 0 auto;
	padding: 0 60px 56px;
	color: #fff;
}

.ar-hero-label {
	font-size: clamp(14px, calc(10px + 0.85vw), 20px);
	text-transform: uppercase;
	color: rgba(255, 255, 255, 0.55);
	margin-bottom: 16px;
}

.ar-hero-tit {
	font-size: clamp(36px, 5vw, 64px);
	font-weight: 700;
	color: #fff;
	font-family: var(--font-sub-title);
	margin-bottom: 16px;
}

.ar-hero-desc {
	font-size: clamp(16px, calc(12px + 0.6vw), 20px);
	color: rgba(255, 255, 255, 0.65);
}

/* ============================================================
	섹션 & 래퍼
	============================================================ */
.ar-section {
	padding-bottom: 120px;
}

.ar-wrap {
	max-width: 1599px;
	margin: 0 auto;
	padding: 0 60px;
}

/* ============================================================
	연도 탭
	============================================================ */
.ar-tabs {
	display: flex;
	gap: 0;
	border-bottom: 2px solid var(--color-border);
	padding-top: 48px;
	margin-bottom: 48px;
}

.ar-tab {
	position: relative;
	padding: 12px 36px;
	font-size: clamp(14px, calc(11px + 0.6vw), 18px);
	font-weight: 600;
	color: var(--color-text-muted);
	background: none;
	border: none;
	cursor: pointer;
	transition: color 0.2s ease;
}

.ar-tab::after {
	content: "";
	position: absolute;
	left: 0;
	bottom: -2px;
	width: 0;
	height: 2px;
	background: var(--color-text-main);
	transition: width 0.3s ease;
}

.ar-tab.is-active {
	color: var(--color-text-main);
}

.ar-tab.is-active::after {
	width: 100%;
}

.ar-tab:hover {
	color: var(--color-text-main);
}

/* ============================================================
	패널 전환
	============================================================ */
.ar-panel {
	display: none;
}

.ar-panel.is-active {
	display: block;
}

/* ============================================================
	카드 그리드
	============================================================ */
.ar-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 32px 20px;
}

/* ============================================================
	호수 카드
	============================================================ */
.ar-card {
	opacity: 0;
	transform: translateY(24px);
	transition:
		opacity 0.5s ease,
		transform 0.5s ease;
}

.ar-card.is-visible {
	opacity: 1;
	transform: translateY(0);
}

.ar-card-link {
	display: flex;
	flex-direction: column;
	text-decoration: none;
}

/* 커버 이미지 영역 */
.ar-card-cover {
	position: relative;
	overflow: hidden;
	border-radius: 8px;
	aspect-ratio: 3 / 4;
	margin-bottom: 16px;
}

.ar-card-cover img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.5s ease;
}

.ar-card-link:hover .ar-card-cover img {
	transform: scale(1.06);
}

/* 목차 오버레이 */
.ar-card-overlay {
	position: absolute;
	inset: 0;
	background: rgba(10, 15, 28, 0.9);
	display: flex;
	flex-direction: column;
	justify-content: center;
	padding: 24px;
	opacity: 0;
	transition: opacity 0.35s ease;
}

.ar-card-link:hover .ar-card-overlay {
	opacity: 1;
}

.ar-overlay-label {
	font-size: 18px;
	text-transform: uppercase;
	color: rgba(255, 255, 255, 0.38);
	margin-bottom: 14px;
}

.ar-overlay-list {
	list-style: none;
	padding: 0;
	margin: 0;
	display: flex;
	flex-direction: column;
	gap: 10px;
}

.ar-overlay-list li {
	font-size: clamp(14px, calc(11px + 0.6vw), 18px);
	color: rgba(255, 255, 255, 0.8);
	padding-left: 16px;
	position: relative;
}

.ar-overlay-list li::before {
	content: "";
	position: absolute;
	left: 0;
	top: 10px;
	width: 5px;
	height: 5px;
	border-radius: 50%;
	background-color: rgba(255, 255, 255, 0.28);
	color: rgba(255, 255, 255, 0.28);
	font-size: 14px;
}

/* 카드 바디 */
.ar-card-issue {
	display: flex;
	align-items: flex-end;
	gap: 10px;
	margin-bottom: 6px;
}

.ar-card-vol {
	font-size: 15px;
	font-weight: 700;
	color: var(--color-primary);
}

.ar-card-date {
	font-size: 14px;
	color: var(--color-text-muted);
}

.ar-card-tit {
	font-size: clamp(18px, calc(14px + 0.8vw), 24px);
	font-weight: 700;
	color: var(--color-text-main);
	margin-bottom: 4px;
	transition: color 0.2s ease;
}

.ar-card-link:hover .ar-card-tit {
	color: var(--color-primary);
}

.ar-card-count {
	font-size: clamp(14px, calc(11px + 0.6vw), 18px);
	color: var(--color-text-muted);
}

/* ============================================================
	반응형 — 필수 구간 999 / 768 / 499
	============================================================ */

/* 태블릿 — 3열 그리드 */
@media all and (max-width: 999px) {
	.ar-hero-inner {
		padding: 0 24px 40px;
	}

	.ar-wrap {
		padding: 0 24px;
	}

	.ar-grid {
		grid-template-columns: repeat(3, 1fr);
		gap: 24px 16px;
	}

	.ar-tab {
		padding: 10px 28px;
	}
}

/* 모바일 — 2열 그리드 */
@media all and (max-width: 768px) {
	.ar-hero {
		height: 55vh;
	}

	.ar-hero-inner {
		padding: 0 16px 32px;
	}

	.ar-wrap {
		padding: 0 16px;
	}

	.ar-tabs {
		padding-top: 36px;
		margin-bottom: 32px;
	}

	.ar-tab {
		padding: 8px 22px;
	}

	.ar-grid {
		grid-template-columns: repeat(2, 1fr);
		gap: 20px 14px;
	}

	.ar-card-overlay {
		padding: 18px;
	}
}

/* 소형 폰 — 2열 유지, 패딩 축소 */
@media all and (max-width: 499px) {
	.ar-hero {
		height: 50vh;
		min-height: 320px;
	}

	.ar-tab {
		padding: 8px 16px;
	}

	.ar-grid {
		gap: 16px 10px;
	}

	.ar-card-overlay {
		padding: 14px;
	}
}