/* ===== CSS VARIABLES & RESET ===== */
:root {
	--primary-color: #007bff;
	--primary-hover: #0056b3;
	--text-dark: #1a1a1a;
	--text-gray: #666;
	--bg-light: #f2f2f2;
	--bg-card: #ffffff;
}

* {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

body {
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	color: var(--text-dark);
	line-height: 1.6;
	background-color: #fff;
}

a {
	color: var(--primary-color);
	text-decoration: none;
	transition: color 0.3s ease;
}

a:hover {
	color: var(--primary-hover);
}

img {
	max-width: 100%;
	height: auto;
	display: block;
}

/* ===== LAYOUT & GRID ===== */
.category-container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 40px 20px;
}

.grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 30px;
}

@media (max-width: 1024px) {
	.grid {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media (max-width: 768px) {
	.grid {
		grid-template-columns: 1fr;
	}
	.category-container {
		padding: 25px 15px;
	}
}

/* ===== HEADER & NAVIGATION ===== */
.site-header {
	background: #fff;
	box-shadow: 0 2px 10px rgba(0,0,0,0.05);
	position: sticky;
	top: 0;
	z-index: 999;
}

.header-container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 15px 20px;
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.site-title {
	font-size: 24px;
	font-weight: 800;
	margin: 0;
}

.site-title a {
	color: var(--text-dark);
}

.main-navigation ul {
	list-style: none;
	display: flex;
	gap: 20px;
}

.main-navigation a {
	color: var(--text-dark);
	font-weight: 600;
}

.main-navigation a:hover {
	color: var(--primary-color);
}

.menu-toggle {
	display: none;
}

@media (max-width: 768px) {
	.main-navigation ul {
		display: none; /* simple mobile menu fallback */
	}
	.menu-toggle {
		display: block;
		background: var(--primary-color);
		color: #fff;
		border: none;
		padding: 8px 15px;
		border-radius: 5px;
		cursor: pointer;
	}
}

/* ===== CARDS (Bài viết/Dịch vụ) ===== */
.card {
	background: var(--bg-card);
	border-radius: 18px;
	overflow: hidden;
	transition: all 0.35s ease;
	box-shadow: 0 8px 25px rgba(0,0,0,0.06);
	border: 1px solid #f1f1f1;
	display: flex;
	flex-direction: column;
}

.card:hover {
	transform: translateY(-8px);
	box-shadow: 0 18px 40px rgba(0,0,0,0.12);
}

.card-img {
	display: block;
	overflow: hidden;
	border-bottom: 1px solid #eee;
}

.card-img img {
	width: 100%;
	height: 220px;
	object-fit: cover;
	transition: transform 0.4s ease;
}

.card:hover .card-img img {
	transform: scale(1.08);
}

.card-content {
	padding: 18px 16px 20px;
	flex-grow: 1;
}

.card-title {
	font-size: 17px;
	font-weight: 700;
	line-height: 1.5;
	margin-bottom: 10px;
}

.card-title a {
	color: var(--text-dark);
}

.card-title a:hover {
	color: var(--primary-color);
}

.card-desc {
	font-size: 14px;
	color: var(--text-gray);
	line-height: 1.6;
}

@media (max-width: 768px) {
	.card-content {
		text-align: center;
	}
}

/* ===== PAGINATION ===== */
.pagination {
	text-align: center;
	margin-top: 50px;
}

.pagination .page-numbers {
	display: inline-block;
	margin: 5px;
	padding: 8px 14px;
	border-radius: 8px;
	background: var(--bg-light);
	color: var(--text-dark);
	font-weight: 600;
}

.pagination .page-numbers:hover,
.pagination .current {
	background: var(--primary-color);
	color: #fff;
}

/* ===== HUB BOX (Từ giao diện cũ) ===== */
.hub-pro {
	max-width: 1200px;
	margin: 30px auto;
	border-radius: 18px;
	overflow: hidden;
	background-size: cover;
	background-position: center;
	position: relative;
	min-height: 280px;
	display: flex;
	align-items: center;
}

.hub-overlay {
	position: absolute;
	inset: 0;
	background: linear-gradient(135deg, rgba(0,0,0,0.65), rgba(0,0,0,0.3));
}

.hub-content {
	position: relative;
	z-index: 2;
	color: #fff;
	padding: 40px;
	max-width: 650px;
}

.hub-content h2 {
	font-size: 30px;
	font-weight: 800;
	margin: 12px 0;
	color: #fff;
	text-shadow: 0 2px 10px rgba(0,0,0,0.4);
}

.hub-content p {
	font-size: 15px;
	margin-bottom: 20px;
	color: #f1f1f1;
}

.hub-label {
	font-size: 12px;
	background: rgba(255,255,255,0.25);
	padding: 6px 14px;
	border-radius: 20px;
}

.hub-content a {
	background: #fff;
	color: var(--primary-color);
	padding: 10px 22px;
	border-radius: 30px;
	font-weight: 600;
	display: inline-block;
}

.hub-content a:hover {
	background: #eee;
}

@media (max-width: 768px) {
	.hub-content {
		text-align: center;
		padding: 20px;
	}
}

/* ===== FOOTER ===== */
.site-footer {
	background: var(--bg-light);
	padding: 40px 20px;
	text-align: center;
	color: var(--text-gray);
	margin-top: 40px;
}

.footer-container {
	max-width: 1200px;
	margin: 0 auto;
}

.footer-menu {
	list-style: none;
	display: flex;
	justify-content: center;
	gap: 15px;
	margin-top: 15px;
}

.footer-menu a {
	color: var(--text-gray);
}

.footer-menu a:hover {
	color: var(--primary-color);
}

/* Hide Flatsome Header exactly like old theme */
#masthead, .header-wrapper, .header-main, .header-top, .header-bottom, #top-bar { display: none !important; }