:root {
	--bg: #f4f6fb;
	--text: #1f2a3a;
	--muted: #627089;
	--line: #dbe2ee;
	--brand: #214976;
	--brand-dark: #15365a;
	--white: #ffffff;
	--container: 1080px;
	--navbar-h: 68px;
}

* { box-sizing: border-box; }

html, body { margin: 0; }

body {
	font-family: "Noto Sans KR", system-ui, sans-serif;
	color: var(--text);
	background: var(--bg);
	line-height: 1.6;
}

.container {
	max-width: var(--container);
	margin: 0 auto;
	padding: 0 20px;
}

a { text-decoration: none; color: inherit; }

.sr-only {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

/* ----- 반응형 네비게이션 바 ----- */
.site-header {
	position: sticky;
	top: 0;
	z-index: 1000;
	background: rgba(255, 255, 255, 0.97);
	backdrop-filter: blur(10px);
	border-bottom: 1px solid var(--line);
	box-shadow: 0 1px 0 rgba(31, 74, 121, 0.06);
}

.navbar {
	width: 100%;
}

.navbar-inner {
	min-height: var(--navbar-h);
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-wrap: nowrap;
	gap: 16px;
	position: relative;
}

.nav-toggle {
	position: absolute;
	width: 1px;
	height: 1px;
	opacity: 0;
	pointer-events: none;
	margin: 0;
}

.navbar-brand {
	font-size: 1.15rem;
	font-weight: 800;
	letter-spacing: 0.02em;
	color: var(--brand-dark);
	flex-shrink: 0;
	line-height: 1.2;
}

.navbar-brand:hover {
	color: var(--brand);
}

/* 데스크톱: 가로 메뉴 */
.navbar-menu {
	display: flex;
	align-items: center;
	flex: 1;
	justify-content: flex-end;
}

.navbar-nav {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 4px;
}

.nav-item {
	margin: 0;
}

.nav-link {
	display: inline-block;
	padding: 10px 16px;
	border-radius: 10px;
	font-weight: 600;
	font-size: 0.95rem;
	color: var(--text);
	transition: background 0.2s ease, color 0.2s ease;
}

.nav-link:hover {
	background: #eef3fb;
	color: var(--brand-dark);
}

.nav-link.active {
	background: linear-gradient(180deg, #e8f0fb, #dce8f7);
	color: var(--brand-dark);
	box-shadow: inset 0 0 0 1px rgba(33, 73, 118, 0.12);
}

/* 햄버거: 기본 숨김 (데스크톱) */
.navbar-toggler {
	display: none;
	cursor: pointer;
	padding: 10px 12px;
	border: 1px solid var(--line);
	border-radius: 10px;
	background: var(--white);
	flex-shrink: 0;
	transition: background 0.2s ease, border-color 0.2s ease;
}

.navbar-toggler:hover {
	background: #f5f8ff;
	border-color: #c8d6ea;
}

.navbar-toggler-icon {
	display: block;
	width: 24px;
	height: 18px;
	position: relative;
}

.navbar-toggler-bar {
	display: block;
	position: absolute;
	left: 0;
	right: 0;
	height: 2px;
	background: var(--brand-dark);
	border-radius: 1px;
	transition: transform 0.25s ease, opacity 0.2s ease, top 0.25s ease;
}

.navbar-toggler-bar:nth-child(1) { top: 2px; }
.navbar-toggler-bar:nth-child(2) { top: 8px; }
.navbar-toggler-bar:nth-child(3) { top: 14px; }

.nav-toggle:checked ~ .navbar-toggler .navbar-toggler-icon .navbar-toggler-bar:nth-child(1) {
	top: 8px;
	transform: rotate(45deg);
}

.nav-toggle:checked ~ .navbar-toggler .navbar-toggler-icon .navbar-toggler-bar:nth-child(2) {
	opacity: 0;
}

.nav-toggle:checked ~ .navbar-toggler .navbar-toggler-icon .navbar-toggler-bar:nth-child(3) {
	top: 8px;
	transform: rotate(-45deg);
}

/* 모바일 스크림 (메뉴 열릴 때만) */
.navbar-scrim {
	display: none;
}

/* ----- 페이지 히어로 (DB 관리: 이미지·타이틀·부타이틀) ----- */
.page-hero {
	position: relative;
	min-height: 42vh;
	color: var(--white);
	display: flex;
	align-items: center;
	overflow: hidden;
	background: linear-gradient(135deg, #1f4a79, #15375b);
}

.page-hero--tall {
	min-height: calc(100vh - var(--navbar-h));
}

.page-hero__bg {
	position: absolute;
	inset: 0;
	background-size: cover;
	background-position: center;
	z-index: 0;
}

.page-hero__overlay {
	position: absolute;
	inset: 0;
	background: linear-gradient(135deg, rgba(21, 54, 90, 0.92), rgba(31, 74, 121, 0.78));
	z-index: 1;
}

.page-hero__inner {
	position: relative;
	z-index: 2;
	padding-top: 52px;
	padding-bottom: 52px;
	width: 100%;
}

.page-hero__eyebrow {
	margin: 0 0 12px;
	font-size: 0.85rem;
	letter-spacing: 0.15em;
	text-transform: uppercase;
	opacity: 0.9;
}

.page-hero__title {
	margin: 0 0 14px;
	font-size: clamp(1.75rem, 4.5vw, 3rem);
	line-height: 1.2;
	max-width: 920px;
}

.page-hero__subtitle {
	margin: 0;
	max-width: 720px;
	font-size: 1.05rem;
	line-height: 1.65;
	color: rgba(255, 255, 255, 0.92);
	white-space: pre-wrap;
}

.page-hero__actions {
	margin-top: 24px;
}

.btn {
	display: inline-block;
	padding: 12px 18px;
	border-radius: 10px;
	font-weight: 700;
}

.btn-primary {
	background: #ffffff;
	color: var(--brand-dark);
}

.about {
	padding: 70px 0;
	background: #fff;
}

.page-section {
	padding: 70px 0;
	background: #fff;
}

.page-section.alt {
	background: #f8faff;
	border-top: 1px solid #eef2f8;
	border-bottom: 1px solid #eef2f8;
}

.about h2 {
	margin: 0 0 12px;
	font-size: 1.9rem;
	color: var(--brand-dark);
}

.about p {
	margin: 0 0 10px;
	max-width: 760px;
	color: #45536c;
}

.highlights {
	margin-top: 24px;
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 14px;
}

.highlight-item {
	background: #f5f8ff;
	border: 1px solid #dbe6f7;
	border-radius: 10px;
	padding: 14px;
}

.highlight-item h3 {
	margin: 0 0 6px;
	font-size: 1rem;
	color: var(--brand-dark);
}

.highlight-item p {
	margin: 0;
	font-size: 0.93rem;
	color: #4e5d78;
}

.stack-note {
	font-weight: 600;
	color: #2a4367;
}

.cards {
	margin-top: 18px;
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 14px;
}

.card {
	background: #f5f8ff;
	border: 1px solid #dbe6f7;
	border-radius: 10px;
	padding: 14px;
}

.card h3 {
	margin: 0 0 8px;
	font-size: 1rem;
	color: var(--brand-dark);
}

.card p {
	margin: 0;
	color: #4e5d78;
	font-size: 0.93rem;
}

.contact-form-wrap {
	margin-top: 40px;
	max-width: 640px;
	padding: 24px;
	background: #f8faff;
	border: 1px solid #dbe6f7;
	border-radius: 12px;
}

.contact-form-title {
	margin: 0 0 16px;
	font-size: 1.25rem;
	color: var(--brand-dark);
}

.contact-flash {
	margin: 0 0 16px;
	padding: 12px 14px;
	border-radius: 8px;
	font-size: 0.95rem;
}

.contact-flash--ok {
	background: #e8f5e9;
	color: #1b5e20;
	border: 1px solid #a5d6a7;
}

.contact-flash--err {
	background: #ffebee;
	color: #b71c1c;
	border: 1px solid #ef9a9a;
}

.contact-form {
	margin: 0;
}

.contact-label {
	display: block;
	font-weight: 700;
	margin: 16px 0 6px;
	font-size: 0.9rem;
	color: var(--brand-dark);
}

.contact-label:first-of-type {
	margin-top: 0;
}

.contact-req {
	color: #c62828;
	font-weight: 800;
}

.contact-input,
.contact-textarea {
	width: 100%;
	box-sizing: border-box;
	padding: 10px 12px;
	border: 1px solid #c5d4e8;
	border-radius: 8px;
	font-family: inherit;
	font-size: 0.95rem;
	background: #fff;
}

.contact-textarea {
	resize: vertical;
	min-height: 160px;
	line-height: 1.55;
}

.contact-actions {
	margin-top: 22px;
}

.contact-submit {
	border: 0;
	cursor: pointer;
	font-size: 1rem;
}

@media (max-width: 767px) {
	.contact-form-wrap {
		padding: 18px;
	}
}

.site-footer {
	padding: 24px 0;
	background: #12263f;
	color: #b8c7de;
	font-size: 0.9rem;
}

.site-footer-inner {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 12px 20px;
}

.site-footer-copy {
	margin: 0;
}

.site-footer-meta {
	margin: 0;
}

.site-footer-admin {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 6px;
	color: rgba(184, 199, 222, 0.85);
	line-height: 0;
	border-radius: 8px;
	transition: color 0.2s ease, background 0.2s ease;
}

.site-footer-admin:hover {
	color: #ffffff;
	background: rgba(255, 255, 255, 0.08);
}

.site-footer-admin-icon {
	display: block;
}

@media (max-width: 991px) {
	:root {
		--navbar-h: 60px;
		/* site-header border-bottom 1px 아래부터 오버레이 */
		--navbar-stack-h: calc(var(--navbar-h) + 1px);
	}

	.navbar-inner {
		min-height: var(--navbar-h);
		flex-wrap: nowrap;
		align-items: center;
		padding-top: 10px;
		padding-bottom: 10px;
	}

	.navbar-brand {
		flex: 1;
		min-width: 0;
	}

	.navbar-toggler {
		display: block;
		order: 2;
		flex-shrink: 0;
	}

	/* 펼침 메뉴: 헤더 아래 전폭 오버레이(본문 레이아웃 밀지 않음) */
	.navbar-menu {
		order: 3;
		position: fixed;
		left: 0;
		right: 0;
		width: 100%;
		max-width: none;
		top: var(--navbar-stack-h);
		z-index: 1002;
		display: block;
		flex: none;
		max-height: 0;
		overflow: hidden;
		padding: 0;
		margin: 0;
		border: 0;
		border-radius: 0;
		background: var(--white);
		box-shadow: none;
		opacity: 0;
		visibility: hidden;
		pointer-events: none;
		transition:
			max-height 0.35s ease,
			padding 0.35s ease,
			opacity 0.25s ease,
			visibility 0.25s ease,
			box-shadow 0.25s ease;
		justify-content: stretch;
	}

	.nav-toggle:checked ~ .navbar-menu {
		max-height: min(72vh, 420px);
		padding-top: 10px;
		padding-bottom: 12px;
		padding-left: 0;
		padding-right: 0;
		border-top: 1px solid var(--line);
		overflow-y: auto;
		-webkit-overflow-scrolling: touch;
		opacity: 1;
		visibility: visible;
		pointer-events: auto;
		box-shadow: 0 16px 36px rgba(21, 54, 90, 0.18);
	}

	.navbar-nav {
		flex-direction: column;
		align-items: stretch;
		gap: 0;
		width: 100%;
		max-width: var(--container);
		margin: 0 auto;
		padding: 0 20px;
		box-sizing: border-box;
	}

	.nav-item {
		border-bottom: 1px solid var(--line);
	}

	.nav-item:last-child {
		border-bottom: 0;
	}

	.nav-link {
		display: block;
		padding: 14px 12px;
		border-radius: 8px;
	}

	.nav-link.active {
		background: #eef3fb;
		box-shadow: none;
	}

	.navbar-brand,
	.navbar-toggler {
		position: relative;
		z-index: 1003;
	}

	/* 배경 딤: 헤더 아래 본문 위 */
	.navbar-scrim {
		display: block;
		position: fixed;
		left: 0;
		right: 0;
		top: var(--navbar-stack-h);
		bottom: 0;
		background: rgba(21, 54, 90, 0.38);
		z-index: 1001;
		opacity: 0;
		visibility: hidden;
		pointer-events: none;
		transition: opacity 0.25s ease, visibility 0.25s ease;
	}

	.nav-toggle:checked ~ .navbar-scrim {
		opacity: 1;
		visibility: visible;
		pointer-events: auto;
	}

	.page-hero--tall { min-height: calc(100vh - var(--navbar-h)); }
	.page-hero__inner { padding-top: 40px; padding-bottom: 40px; }
	.highlights { grid-template-columns: 1fr; }
	.cards { grid-template-columns: 1fr; }
}

@media (min-width: 992px) {
	.nav-toggle:checked ~ .navbar-menu {
		max-height: none;
		padding-top: 0;
		padding-bottom: 0;
		margin-top: 0;
		border-top: 0;
		overflow: visible;
		opacity: 1;
		visibility: visible;
		pointer-events: auto;
		box-shadow: none;
	}

	.navbar-menu {
		position: static;
		left: auto;
		right: auto;
		top: auto;
		width: auto;
		max-width: none;
		opacity: 1;
		visibility: visible;
		pointer-events: auto;
		display: flex;
	}
}

/* ----- 관리자: 히어로 편집 ----- */
.admin-body {
	background: #eef2f8;
	color: var(--text);
}

.admin-bar {
	background: #15365a;
	color: #fff;
	padding: 12px 0;
}

.admin-bar-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	flex-wrap: wrap;
}

.admin-nav {
	display: flex;
	flex-wrap: wrap;
	gap: 14px;
	align-items: center;
}

.admin-nav a {
	color: #fff;
	font-weight: 700;
	font-size: 0.92rem;
}

.admin-nav a:hover {
	text-decoration: underline;
}

.admin-bar-user {
	display: flex;
	align-items: center;
	gap: 12px;
	flex-wrap: wrap;
}

.admin-username {
	color: #c8daf5;
	font-size: 0.88rem;
}

.admin-logout-form {
	margin: 0;
	display: inline;
}

.admin-logout-btn {
	background: none;
	border: none;
	cursor: pointer;
	padding: 0;
	font: inherit;
}

.admin-page-head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	flex-wrap: wrap;
	margin-bottom: 18px;
}

.admin-h1 {
	margin: 0;
	font-size: 1.5rem;
	color: var(--brand-dark);
}

.admin-login-page {
	min-height: 100vh;
	display: flex;
	align-items: center;
	justify-content: center;
}

.admin-login-wrap {
	width: 100%;
	max-width: 420px;
	padding: 24px;
}

.admin-login-card {
	background: #fff;
	border-radius: 12px;
	padding: 28px;
	box-shadow: 0 8px 32px rgba(21, 54, 90, 0.12);
}

.admin-login-title {
	margin: 0 0 20px;
	font-size: 1.35rem;
	color: var(--brand-dark);
	text-align: center;
}

.admin-login-form {
	box-shadow: none;
	padding: 0;
}

.admin-check {
	display: flex;
	align-items: center;
	gap: 8px;
	margin-top: 14px;
	font-weight: 600;
	cursor: pointer;
}

.admin-static {
	margin: 0 0 8px;
	padding: 10px 12px;
	background: #f5f8ff;
	border-radius: 8px;
	font-weight: 600;
	color: var(--brand-dark);
}

.admin-table-actions {
	white-space: nowrap;
}

.admin-inline-form {
	display: inline-block;
	margin: 0 0 0 8px;
	vertical-align: middle;
}

.admin-btn--danger {
	background: #fff5f5;
	color: #9b1c1c;
	border-color: #f5c2c7;
}

.admin-btn--danger:hover {
	background: #ffe8e8;
}

.admin-link {
	color: #c8daf5;
	font-weight: 600;
	font-size: 0.9rem;
}

.admin-link:hover {
	color: #fff;
}

.admin-main {
	padding: 28px 20px 48px;
}

.admin-flash {
	padding: 12px 14px;
	border-radius: 8px;
	margin: 0 0 18px;
	font-weight: 600;
}

.admin-flash--ok {
	background: #d4edda;
	color: #155724;
}

.admin-flash--err {
	background: #f8d7da;
	color: #721c24;
}

.admin-table {
	width: 100%;
	border-collapse: collapse;
	background: #fff;
	border-radius: 10px;
	overflow: hidden;
	box-shadow: 0 4px 16px rgba(21, 54, 90, 0.08);
}

.admin-table th,
.admin-table td {
	padding: 12px 14px;
	text-align: left;
	border-bottom: 1px solid var(--line);
	font-size: 0.95rem;
}

.admin-table th {
	background: #f5f8ff;
	font-weight: 700;
	color: var(--brand-dark);
}

.admin-table-title {
	max-width: 360px;
	word-break: keep-all;
	overflow-wrap: break-word;
}

.admin-pill {
	display: inline-block;
	padding: 2px 8px;
	border-radius: 999px;
	font-size: 0.8rem;
	background: #e8ecf3;
	color: #5a6578;
}

.admin-pill--ok {
	background: #d9f0e3;
	color: #1e6b3a;
}

.admin-btn {
	display: inline-block;
	padding: 8px 14px;
	border-radius: 8px;
	font-weight: 600;
	font-size: 0.9rem;
	background: #e8eef8;
	color: var(--brand-dark);
	border: 1px solid var(--line);
}

.admin-btn:hover {
	background: #dce8f7;
}

.admin-btn--primary {
	background: var(--brand-dark);
	color: #fff;
	border-color: var(--brand-dark);
}

.admin-btn--primary:hover {
	background: var(--brand);
}

.admin-muted {
	color: #627089;
	font-size: 0.92rem;
	margin: 0 0 12px;
}

.admin-preview {
	margin-bottom: 20px;
}

.admin-preview-img {
	max-width: 100%;
	max-height: 200px;
	object-fit: contain;
	border-radius: 8px;
	border: 1px solid var(--line);
	background: #fff;
}

.admin-form {
	max-width: 640px;
	background: #fff;
	padding: 20px;
	border-radius: 10px;
	box-shadow: 0 4px 16px rgba(21, 54, 90, 0.08);
}

.admin-label {
	display: block;
	font-weight: 700;
	margin: 16px 0 6px;
	font-size: 0.9rem;
	color: var(--brand-dark);
}

.admin-label:first-of-type {
	margin-top: 0;
}

.admin-input,
.admin-textarea,
.admin-file {
	width: 100%;
	box-sizing: border-box;
	padding: 10px 12px;
	border: 1px solid var(--line);
	border-radius: 8px;
	font-family: inherit;
	font-size: 0.95rem;
}

.admin-textarea {
	resize: vertical;
	min-height: 140px;
}

.admin-actions {
	margin-top: 22px;
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	align-items: center;
}