@charset "utf-8";

/* ============================================================
   mcat07 — 아코디언 익스팬더형
   카테고리 타이포 클릭 → 기사 카드 그리드 GSAP 펼침
   호버 시 카드 하단에서 텍스트 슬라이드업 오버레이
   ============================================================ */

/* ============================================================
   히어로
   ============================================================ */
.ac-hero {
	padding: 140px 60px 40px;
	background: var(--color-bg-main);
}

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

.ac-hero-label {
	font-size: clamp(14px, calc(8px + 0.85vw), 18px);
	font-weight: 700;
	color: var(--color-text-muted);
	margin-bottom: 16px;
}

.ac-hero-tit {
	font-size: clamp(28px, calc(14px + 2vw), 44px);
	font-weight: 900;
	color: var(--color-text-main);
	font-family: var(--font-sub-title);
}

/* ============================================================
   아코디언 래퍼
   ============================================================ */
.ac-wrap {
	max-width: 1400px;
	margin: 0 auto;
	padding: 0 60px 120px;
}

/* ============================================================
   아코디언 아이템
   ============================================================ */
.ac-item {
	border-top: 1px solid var(--color-border);
}

.ac-item:last-child {
	border-bottom: 1px solid var(--color-border);
}

/* ============================================================
   트리거 버튼
   ============================================================ */
.ac-trigger {
	width: 100%;
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 18px 0;
	background: none;
	border: none;
	cursor: pointer;
	text-align: left;
}

.ac-trigger-cat {
	font-size: clamp(20px, calc(10px + 1.6vw), 34px);
	font-weight: 900;
	font-family: var(--font-sub-title);
	color: var(--color-border-strong, #d1d5db);
	transition: color 0.3s ease;
}

.ac-item.is-open .ac-trigger-cat,
.ac-trigger:hover .ac-trigger-cat {
	color: var(--color-text-main);
}

.ac-trigger-right {
	display: flex;
	align-items: center;
	gap: 16px;
	flex-shrink: 0;
}

.ac-trigger-count {
	font-size: clamp(14px, calc(8px + 0.85vw), 18px);
	font-weight: 600;
	color: var(--color-text-muted);
}

/* 화살표 (+/×) */
.ac-arrow {
	display: block;
	width: 24px;
	height: 24px;
	position: relative;
	transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.ac-arrow::before,
.ac-arrow::after {
	content: "";
	position: absolute;
	background: var(--color-text-muted);
	border-radius: 2px;
	transition: background 0.3s ease;
}

.ac-arrow::before {
	width: 2px;
	height: 14px;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
}

.ac-arrow::after {
	width: 14px;
	height: 2px;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
}

.ac-item.is-open .ac-arrow {
	transform: rotate(45deg);
}

.ac-item.is-open .ac-arrow::before,
.ac-item.is-open .ac-arrow::after,
.ac-trigger:hover .ac-arrow::before,
.ac-trigger:hover .ac-arrow::after {
	background: var(--color-text-main);
}

/* ============================================================
   패널
   ============================================================ */
.ac-panel {
	overflow: hidden;
	height: 0;
}

.ac-item.is-open .ac-panel {
	height: auto;
}

.ac-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 20px;
	padding-bottom: 40px;
}

/* ============================================================
   기사 카드
   ============================================================ */
.ac-card {
	display: block;
}

/* 썸네일 — 오버레이 슬라이드업 컨테이너 */
.ac-card-thumb {
	position: relative;
	width: 100%;
	aspect-ratio: 3 / 2;
	overflow: hidden;
	border-radius: 4px;
	background: var(--color-bg-sub, #f3f4f6);
}

.ac-card-thumb img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	transition: transform 0.45s ease;
}

.ac-card:hover .ac-card-thumb img {
	transform: scale(1.06);
}

/* 텍스트 오버레이 — 기본: 이미지 아래 숨김 */
.ac-card-body {
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	padding: 32px 14px 14px;
	background: linear-gradient(to top, rgba(0, 0, 0, 0.82) 0%, rgba(0, 0, 0, 0.4) 60%, transparent 100%);
	transform: translateY(100%);
	transition: transform 0.38s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.ac-card:hover .ac-card-body {
	transform: translateY(0);
}

.ac-card-tit {
	font-size: clamp(14px, calc(6px + 1.1vw), 18px);
	font-weight: 700;
	color: #fff;
	margin-bottom: 4px;
}

.ac-card-date {
	font-size: clamp(13px, calc(7px + 0.7vw), 15px);
	color: rgba(255, 255, 255, 0.65);
}

/* ============================================================
   반응형 — 999px
   ============================================================ */
@media all and (max-width: 999px) {
	.ac-hero {
		padding: 120px 32px 32px;
	}

	.ac-wrap {
		padding: 0 32px 80px;
	}

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

/* ============================================================
   반응형 — 768px
   ============================================================ */
@media all and (max-width: 768px) {
	.ac-hero {
		padding: 100px 20px 28px;
	}

	.ac-wrap {
		padding: 0 20px 60px;
	}

	.ac-trigger {
		padding: 16px 0;
	}

	.ac-grid {
		grid-template-columns: repeat(2, 1fr);
		gap: 14px;
		padding-bottom: 32px;
	}
}

/* ============================================================
   반응형 — 499px
   ============================================================ */
@media all and (max-width: 499px) {
	.ac-grid {
		grid-template-columns: 1fr 1fr;
		gap: 12px;
	}
}