@charset "utf-8";

/* ============================================================
   march10 — 컬러줄 타일형
   이슈별 대표 컬러 정사각 타일 + 호버 표지 + 클릭 목차 팝업
   ============================================================ */

/* ============================================================
   히어로
   ============================================================ */
.ct-hero {
	padding: 160px 60px 72px;
	background: var(--color-bg-main);
	border-bottom: 1px solid var(--color-border);
}

.ct-hero-inner {
	max-width: 1400px;
	margin: 0 auto;
}

.ct-hero-label {
	font-size: clamp(14px, calc(9.5px + 0.85vw), 18px);
	font-weight: 700;
	color: var(--color-text-muted);
	margin-bottom: 20px;
	opacity: 0;
	transform: translateY(10px);
}

.ct-hero-tit {
	font-size: clamp(44px, calc(16px + 5vw), 80px);
	font-weight: 900;
	font-family: var(--font-sub-title);
	color: var(--color-text-main);
	margin-bottom: 20px;
	overflow: hidden;
}

.ct-hero-tit-inner {
	display: block;
	transform: translateY(105%);
}

.ct-hero-sub {
	font-size: clamp(16px, calc(8px + 1vw), 20px);
	color: var(--color-text-muted);
	opacity: 0;
	transform: translateY(10px);
}

/* ============================================================
   필터 바
   ============================================================ */
.ct-filter {
	position: sticky;
	top: 90px;
	z-index: 100;
	background: var(--color-bg-main);
	border-bottom: 1px solid var(--color-border);
	transition: top 0.25s ease;
}

.ct-filter-inner {
	padding: 0 60px;
	display: flex;
	align-items: center;
	gap: 4px;
	height: 56px;
}

.ct-filter-btn {
	padding: 7px 20px;
	border: 1.5px solid transparent;
	background: none;
	cursor: pointer;
	font-size: clamp(14px, calc(9.5px + 0.85vw), 18px);
	font-weight: 600;
	color: var(--color-text-muted);
	border-radius: 4px;
	transition:
		color 0.2s,
		border-color 0.2s;
}

.ct-filter-btn.is-active {
	color: var(--color-text-main);
	border-color: var(--color-text-main);
}

.ct-filter-btn:hover:not(.is-active) {
	color: var(--color-text-sub);
}

/* ============================================================
   타일 그리드
   ============================================================ */
.ct-section {
	/* 풀 너비 — 타일이 화면 전체 채움 */
}

.ct-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
}

/* ============================================================
   타일
   ============================================================ */
.ct-tile {
	position: relative;
	aspect-ratio: 1;
	background-color: var(--tile-color, #333);
	cursor: pointer;
	overflow: hidden;
	outline: none;
}

.ct-tile:focus-visible {
	outline: 3px solid #fff;
	outline-offset: -3px;
	z-index: 5;
}

.ct-tile-cover {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
	opacity: 0.07;
	filter: blur(8px);
	transform: scale(1.08);
	transition:
		opacity 0.5s ease,
		filter 0.5s ease,
		transform 0.5s ease;
	pointer-events: none;
	display: block;
}

.ct-tile-overlay {
	position: absolute;
	inset: 0;
	z-index: 1;
	background: linear-gradient(to top, rgba(0, 0, 0, 0.52) 0%, rgba(0, 0, 0, 0.06) 50%, transparent 100%);
	transition: background 0.45s ease;
}

.ct-tile:hover .ct-tile-cover {
	opacity: 0.48;
	filter: blur(0px);
	transform: scale(1);
}

.ct-tile:hover .ct-tile-overlay {
	background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.14) 55%, transparent 100%);
}

.ct-tile-info {
	position: absolute;
	inset: 0;
	padding: 28px 32px;
	display: flex;
	flex-direction: column;
	justify-content: space-between;
	z-index: 2;
	pointer-events: none;
}

.ct-tile-vol {
	display: block;
	font-size: clamp(14px, calc(4px + 1.4vw), 18px);
	font-weight: 700;
	color: rgba(255, 255, 255, 0.55);
}

.ct-tile-theme {
	font-size: clamp(18px, calc(7px + 1.5vw), 26px);
	font-weight: 800;
	font-family: var(--font-sub-title);
	color: #fff;
	line-height: 1.2;
}

.ct-tile-hint {
	display: block;
	margin-top: 10px;
	font-size: clamp(14px, calc(4px + 1.4vw), 18px);
	font-weight: 500;
	color: rgba(255, 255, 255, 0.7);
	opacity: 0;
	transform: translateY(5px);
	transition:
		opacity 0.3s ease 0.05s,
		transform 0.3s ease 0.05s;
}

.ct-tile:hover .ct-tile-hint {
	opacity: 1;
	transform: translateY(0);
}

/* ============================================================
   터치 기기 — hover 없으므로 커버·힌트 항상 표시
   ============================================================ */
@media (hover: none) {
	.ct-tile-cover {
		opacity: 0.35;
		filter: blur(8px);
		transform: scale(1.05);
	}

	.ct-tile-overlay {
		background: linear-gradient(to top, rgba(0, 0, 0, 0.62) 0%, rgba(0, 0, 0, 0.1) 55%, transparent 100%);
	}

	.ct-tile-hint {
		opacity: 1;
		transform: translateY(0);
	}
}

/* ============================================================
   목차 팝업 모달
   ============================================================ */
.ct-modal {
	position: fixed;
	inset: 0;
	z-index: 1000;
	display: none;
	align-items: center;
	justify-content: center;
	padding: 24px 20px;
}

.ct-modal-backdrop {
	position: absolute;
	inset: 0;
	background: rgba(0, 0, 0, 0.78);
}

.ct-modal-dialog {
	position: relative;
	z-index: 1;
	background: var(--color-bg-card);
	border-radius: 12px;
	max-width: 780px;
	width: 100%;
	display: flex;
	overflow: hidden;
	max-height: 88vh;
}

.ct-modal-close {
	position: absolute;
	top: 14px;
	right: 14px;
	z-index: 20;
	width: 38px;
	height: 38px;
	border: none;
	background: rgba(0, 0, 0, 0.35);
	color: #fff;
	border-radius: 50%;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: background 0.2s;
}

.ct-modal-close:hover {
	background: rgba(0, 0, 0, 0.62);
}

/* 좌측: 컬러 패널 + 표지 이미지 */
.ct-modal-cover-wrap {
	position: relative;
	width: 36%;
	flex-shrink: 0;
}

.ct-modal-cover-color {
	position: absolute;
	inset: 0;
}

.ct-modal-cover {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	opacity: 0.55;
}

/* 우측: 정보 */
.ct-modal-info {
	flex: 1;
	padding: 48px 44px;
	overflow-y: auto;
}

.ct-modal-meta {
	display: flex;
	align-items: center;
	gap: 8px;
	margin-bottom: 14px;
}

.ct-modal-vol {
	font-size: clamp(14px, calc(4px + 1.4vw), 18px);
	font-weight: 700;
	color: var(--color-primary);
}

.ct-modal-sep {
	font-size: clamp(14px, calc(4px + 1.4vw), 18px);
	color: var(--color-text-muted);
}

.ct-modal-date {
	font-size: clamp(14px, calc(4px + 1.4vw), 18px);
	color: var(--color-text-muted);
}

.ct-modal-theme {
	font-size: clamp(24px, calc(10px + 2vw), 38px);
	font-weight: 800;
	font-family: var(--font-sub-title);
	color: var(--color-text-main);
	margin-bottom: 28px;
}

.ct-modal-toc {
	list-style: none;
	margin-bottom: 32px;
	border-top: 1px solid var(--color-border);
}

.ct-modal-toc li {
	display: flex;
	align-items: baseline;
	gap: 14px;
	padding: 13px 0;
	border-bottom: 1px solid var(--color-border);
}

.ct-toc-cat {
	font-size: clamp(14px, calc(4px + 1.4vw), 18px);
	font-weight: 700;
	color: var(--color-text-muted);
	white-space: nowrap;
	flex-shrink: 0;
}

.ct-modal-toc a {
	font-size: clamp(16px, calc(4px + 1.6vw), 20px);
	color: var(--color-text-sub);
	text-decoration: none;
	transition: color 0.2s;
}

.ct-modal-toc a:hover {
	color: var(--color-text-main);
}

.ct-modal-cta {
	display: inline-block;
	padding: 12px 28px;
	border: 1.5px solid var(--color-text-main);
	color: var(--color-text-main);
	font-size: clamp(15px, calc(3px + 1.5vw), 18px);
	font-weight: 600;
	text-decoration: none;
	border-radius: 4px;
	transition:
		background 0.2s,
		color 0.2s;
}

.ct-modal-cta:hover {
	background: var(--color-text-main);
	color: var(--color-bg-main);
}

/* ============================================================
   반응형 — 999px
   ============================================================ */
@media all and (max-width: 999px) {
	.ct-hero {
		padding: 140px 32px 56px;
	}

	.ct-filter-inner {
		padding: 0 32px;
	}

	.ct-filter {
		top: 70px;
	}

	.ct-tile-info {
		padding: 22px 24px;
	}
}

/* ============================================================
   반응형 — 768px
   ============================================================ */
@media all and (max-width: 768px) {
	.ct-hero {
		padding: 100px 20px 36px;
	}

	.ct-hero-label {
		margin-bottom: 0;
	}

	.ct-hero-tit {
		margin-bottom: 8px;
	}

	.ct-filter-inner {
		padding: 0 20px;
	}

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

	.ct-modal-dialog {
		flex-direction: column;
		max-height: 92vh;
	}

	.ct-modal-cover-wrap {
		width: 100%;
		height: 200px;
		flex-shrink: 0;
	}

	.ct-modal-info {
		padding: 32px 28px;
	}
}

/* ============================================================
   반응형 — 499px
   ============================================================ */
@media all and (max-width: 499px) {
	.ct-hero {
		padding: 90px 16px 28px;
	}

	.ct-filter-inner {
		padding: 0 16px;
	}

	.ct-tile-info {
		padding: 16px 18px;
	}

	.ct-modal-info {
		padding: 24px 20px;
	}

	.ct-modal-theme {
		margin-bottom: 20px;
	}
}