/* ==========================================================================
   AT — Blog archive (home / posts index) layout, theo Figma tokens
   ========================================================================== */

.at-blog-archive {
	--at-bg-primary: #ffffff;
	--at-bg-secondary: #fafafa;
	--at-bg-dark: #0c111d;

	--at-brand-600: #e04f16;
	--at-brand-700: #b93815;

	--at-text-primary: #181d27;
	--at-text-secondary: #414651;
	--at-text-tertiary: #535862;
	--at-text-quaternary: #717680;
	--at-text-on-brand: #ffffff;

	--at-text-dark-secondary: #eaecf0;
	--at-text-dark-tertiary: #d0d5dd;

	--at-border-primary: #d5d7da;
	--at-border-secondary: #e9eaeb;
	--at-border-tertiary: #eaecf0;
	--at-divider: #eaecf0;

	--at-radius-md: 8px;
	--at-radius-lg: 12px;
	--at-radius-full: 9999px;

	--at-shadow-xs: 0 1px 2px 0 rgba(16, 24, 40, 0.05);

	--at-fs-display-md: 36px;
	--at-fs-display-sm: 30px;
	--at-fs-display-xs: 24px;
	--at-fs-text-xl: 20px;
	--at-fs-text-lg: 18px;
	--at-fs-text-md: 16px;
	--at-fs-text-sm: 14px;
	--at-fs-text-xs: 12px;

	--at-lh-display-md: 44px;
	--at-lh-display-sm: 38px;
	--at-lh-display-xs: 32px;
	--at-lh-text-xl: 30px;
	--at-lh-text-lg: 28px;
	--at-lh-text-md: 24px;
	--at-lh-text-sm: 20px;

	--at-container-max: 1280px;
	--at-container-pad: 32px;

	font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	color: var(--at-text-primary);
	background: var(--at-bg-primary);
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

.at-blog-archive *,
.at-blog-archive *::before,
.at-blog-archive *::after {
	box-sizing: border-box;
}

.at-arch-container {
	max-width: var(--at-container-max);
	margin: 0 auto;
	padding-left: var(--at-container-pad);
	padding-right: var(--at-container-pad);
	width: 100%;
}

/* ---------- Breadcrumbs ---------- */

.at-blog-archive .at-blog-breadcrumbs {
	background: var(--at-bg-primary);
	border-bottom: 1px solid var(--at-border-secondary);
	padding: 16px var(--at-container-pad);
}

.at-blog-archive .at-blog-breadcrumbs__inner {
	max-width: var(--at-container-max);
	margin: 0 auto;
	padding: 0 80px;
	display: flex;
	gap: 8px;
	align-items: center;
	flex-wrap: wrap;
}

.at-blog-archive .at-blog-breadcrumbs__item,
.at-blog-archive .at-blog-breadcrumbs__current {
	font-size: var(--at-fs-text-sm);
	line-height: var(--at-lh-text-sm);
	font-weight: 600;
	margin: 0;
}

.at-blog-archive .at-blog-breadcrumbs__item {
	color: var(--at-text-quaternary);
	text-decoration: none;
	transition: color 0.15s ease;
}

.at-blog-archive .at-blog-breadcrumbs__item:hover,
.at-blog-archive .at-blog-breadcrumbs__item:focus-visible {
	color: var(--at-text-secondary);
}

.at-blog-archive .at-blog-breadcrumbs__current {
	color: var(--at-brand-700);
}

.at-blog-archive .at-blog-breadcrumbs__sep {
	color: var(--at-text-quaternary);
	display: inline-flex;
	align-items: center;
	line-height: 0;
}

/* ---------- Generic section ---------- */

.at-arch-section {
	background: var(--at-bg-secondary);
	padding: 64px 0;
}

.at-arch-section + .at-arch-section {
	border-top: 1px solid var(--at-border-tertiary);
}

.at-arch-section__heading {
	color: var(--at-text-primary);
	font-size: var(--at-fs-display-xs);
	line-height: var(--at-lh-display-xs);
	font-weight: 600;
	margin: 0 0 32px;
	letter-spacing: -0.01em;
}

/* ---------- Recent blog posts (1 large + 2 stacked) ---------- */

.at-arch-recent__grid {
	display: grid;
	grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
	gap: 32px;
	align-items: stretch;
}

.at-arch-recent__main {
	display: flex;
	min-width: 0;
}

.at-arch-recent__main > .at-arch-feat {
	width: 100%;
}

.at-arch-recent__side {
	display: grid;
	grid-template-rows: 1fr 1fr;
	gap: 32px;
	min-width: 0;
}

.at-arch-feat {
	display: flex;
	flex-direction: column;
	gap: 24px;
	text-decoration: none;
	color: inherit;
}

.at-arch-feat:hover .at-arch-feat__img {
	transform: scale(1.02);
}

.at-arch-feat:hover .at-arch-feat__title {
	color: var(--at-brand-600);
}

.at-arch-feat__image {
	position: relative;
	width: 100%;
	aspect-ratio: 608 / 340;
	border-radius: var(--at-radius-md);
	overflow: hidden;
	background: #f2f2f2;
	line-height: 0;
}

.at-arch-feat__img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	transition: transform 0.4s ease;
}

.at-arch-feat__body {
	display: flex;
	flex-direction: column;
	gap: 8px;
}

.at-arch-feat__meta {
	color: var(--at-brand-600);
	font-size: var(--at-fs-text-sm);
	line-height: var(--at-lh-text-sm);
	font-weight: 600;
	margin: 0;
}

.at-arch-feat__title {
	color: var(--at-text-primary);
	font-size: var(--at-fs-display-xs);
	line-height: var(--at-lh-display-xs);
	font-weight: 600;
	margin: 0;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
	text-overflow: ellipsis;
	transition: color 0.15s ease;
}

.at-arch-feat__excerpt {
	color: #475467;
	font-size: var(--at-fs-text-md);
	line-height: var(--at-lh-text-md);
	font-weight: 400;
	margin: 0;
	display: -webkit-box;
	-webkit-line-clamp: 3;
	line-clamp: 3;
	-webkit-box-orient: vertical;
	overflow: hidden;
	text-overflow: ellipsis;
}

/* ---- Recent side cards (horizontal hcard) ---- */

.at-arch-recent__side .at-arch-hcard {
	grid-template-columns: 240px 1fr;
	gap: 20px;
	align-items: stretch;
}

.at-arch-recent__side .at-arch-hcard__image {
	aspect-ratio: 4 / 3;
	height: 100%;
}

.at-arch-recent__side .at-arch-hcard__title {
	font-size: var(--at-fs-text-xl);
	line-height: var(--at-lh-text-xl);
}

.at-arch-recent__side .at-arch-hcard__excerpt {
	font-size: var(--at-fs-text-sm);
	line-height: var(--at-lh-text-sm);
}

/* ---------- Category section (grid 2 col, horizontal cards) ---------- */

.at-arch-hgrid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 32px;
}

.at-arch-hcard {
	display: grid;
	grid-template-columns: 200px 1fr;
	gap: 24px;
	align-items: flex-start;
	text-decoration: none;
	color: inherit;
}

.at-arch-hcard:hover .at-arch-hcard__img {
	transform: scale(1.03);
}

.at-arch-hcard:hover .at-arch-hcard__title {
	color: var(--at-brand-600);
}

.at-arch-hcard__image {
	position: relative;
	width: 100%;
	aspect-ratio: 1 / 1;
	border-radius: var(--at-radius-md);
	overflow: hidden;
	background: #f2f2f2;
	line-height: 0;
}

.at-arch-hcard__img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	transition: transform 0.4s ease;
}

.at-arch-hcard__body {
	display: flex;
	flex-direction: column;
	gap: 8px;
	min-width: 0;
}

.at-arch-hcard__meta {
	color: var(--at-brand-600);
	font-size: var(--at-fs-text-sm);
	line-height: var(--at-lh-text-sm);
	font-weight: 600;
	margin: 0;
}

.at-arch-hcard__title {
	color: var(--at-text-primary);
	font-size: var(--at-fs-text-lg);
	line-height: var(--at-lh-text-lg);
	font-weight: 600;
	margin: 0;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
	text-overflow: ellipsis;
	transition: color 0.15s ease;
}

.at-arch-hcard__excerpt {
	color: #475467;
	font-size: var(--at-fs-text-sm);
	line-height: var(--at-lh-text-sm);
	font-weight: 400;
	margin: 0;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
	text-overflow: ellipsis;
}

/* ---------- All blog posts (grid 4 col vertical) ---------- */

.at-arch-grid {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 48px 32px;
}

.at-arch-card {
	display: flex;
	flex-direction: column;
	gap: 24px;
	text-decoration: none;
	color: inherit;
}

.at-arch-card:hover .at-arch-card__img {
	transform: scale(1.03);
}

.at-arch-card:hover .at-arch-card__title {
	color: var(--at-brand-600);
}

.at-arch-card__image {
	position: relative;
	width: 100%;
	aspect-ratio: 280 / 240;
	border-radius: var(--at-radius-md);
	overflow: hidden;
	background: #f2f2f2;
	line-height: 0;
}

.at-arch-card__img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	transition: transform 0.4s ease;
}

.at-arch-card__body {
	display: flex;
	flex-direction: column;
	gap: 8px;
}

.at-arch-card__meta {
	color: var(--at-brand-600);
	font-size: var(--at-fs-text-sm);
	line-height: var(--at-lh-text-sm);
	font-weight: 600;
	margin: 0;
}

.at-arch-card__title {
	color: var(--at-text-primary);
	font-size: var(--at-fs-display-xs);
	line-height: var(--at-lh-display-xs);
	font-weight: 600;
	margin: 0;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
	text-overflow: ellipsis;
	transition: color 0.15s ease;
}

.at-arch-card__excerpt {
	color: #475467;
	font-size: var(--at-fs-text-md);
	line-height: var(--at-lh-text-md);
	font-weight: 400;
	margin: 0;
	display: -webkit-box;
	-webkit-line-clamp: 3;
	line-clamp: 3;
	-webkit-box-orient: vertical;
	overflow: hidden;
	text-overflow: ellipsis;
}

/* ---------- Load more button ---------- */

.at-arch-loadmore-wrap {
	display: flex;
	justify-content: center;
	margin-top: 48px;
}

.at-arch-loadmore {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	background: var(--at-brand-600);
	color: var(--at-text-on-brand);
	border: 2px solid rgba(255, 255, 255, 0.12);
	border-radius: var(--at-radius-full);
	padding: 12px 24px;
	font-size: var(--at-fs-text-md);
	line-height: var(--at-lh-text-md);
	font-weight: 600;
	cursor: pointer;
	font-family: inherit;
	box-shadow: var(--at-shadow-xs), inset 0 0 0 1px rgba(10, 13, 18, 0.18), inset 0 -2px 0 0 rgba(10, 13, 18, 0.05);
	transition: background 0.15s ease, transform 0.15s ease;
}

.at-arch-loadmore:hover {
	background: var(--at-brand-700);
}

.at-arch-loadmore:active {
	transform: translateY(1px);
}

.at-arch-loadmore[disabled],
.at-arch-loadmore.is-loading {
	opacity: 0.7;
	cursor: wait;
}

.at-arch-loadmore.is-done {
	display: none;
}

.at-arch-loadmore__arrow {
	display: inline-flex;
	line-height: 0;
}

/* ---------- Subscribe CTA (dark) ---------- */

.at-arch-cta {
	background: var(--at-bg-dark);
	color: var(--at-text-on-brand);
	padding: 64px var(--at-container-pad);
}

.at-arch-cta__inner {
	display: flex;
	gap: 32px;
	align-items: flex-end;
	justify-content: space-between;
	flex-wrap: wrap;
}

.at-arch-cta__text {
	flex: 1 1 360px;
	min-width: 240px;
	display: flex;
	flex-direction: column;
	gap: 16px;
}

.at-arch-cta__heading {
	color: #ffffff;
	font-size: var(--at-fs-display-sm);
	line-height: var(--at-lh-display-sm);
	font-weight: 600;
	margin: 0;
	letter-spacing: -0.01em;
}

.at-arch-cta__sub {
	color: var(--at-text-dark-secondary);
	font-size: var(--at-fs-text-xl);
	line-height: var(--at-lh-text-xl);
	font-weight: 400;
	margin: 0;
}

.at-arch-cta__form {
	flex: 0 1 480px;
	min-width: 320px;
}

/* ---- CF7 in CTA: row layout (input + button cùng hàng) ---- */

.at-arch-cta__form .wpcf7,
.at-arch-cta__form .wpcf7-form {
	margin: 0;
	padding: 0;
}

.at-arch-cta__form .wpcf7-form > p {
	margin: 0;
}

.at-arch-cta__form .wpcf7-form > p:not(:last-of-type) {
	margin-right: 0;
}

.at-arch-cta__form .at-cf7-subscribe,
.at-arch-cta__form .wpcf7-form {
	display: flex;
	flex-direction: row;
	gap: 16px;
	align-items: stretch;
	flex-wrap: wrap;
}

.at-arch-cta__form .wpcf7-form-control-wrap {
	flex: 1 1 240px;
	min-width: 200px;
	display: block;
}

.at-arch-cta__form input.wpcf7-form-control.wpcf7-email,
.at-arch-cta__form input.wpcf7-email {
	width: 100%;
	background: #ffffff;
	border: 1px solid var(--at-border-primary);
	box-shadow: var(--at-shadow-xs);
	border-radius: var(--at-radius-md);
	padding: 12px 14px;
	color: var(--at-text-primary);
	font-size: var(--at-fs-text-md);
	line-height: var(--at-lh-text-md);
	font-family: inherit;
	outline: none;
	transition: border-color 0.15s ease, box-shadow 0.15s ease;
	height: auto;
	min-height: 0;
}

.at-arch-cta__form input.wpcf7-email::placeholder {
	color: var(--at-text-quaternary);
}

.at-arch-cta__form input.wpcf7-email:focus {
	border-color: var(--at-brand-600);
	box-shadow: 0 0 0 4px rgba(224, 79, 22, 0.18);
}

.at-arch-cta__form input.wpcf7-form-control.wpcf7-submit,
.at-arch-cta__form input.wpcf7-submit {
	background: var(--at-brand-600);
	color: #ffffff;
	border: 1px solid var(--at-brand-600);
	border-radius: var(--at-radius-md);
	padding: 12px 20px;
	font-size: var(--at-fs-text-md);
	line-height: var(--at-lh-text-md);
	font-weight: 600;
	cursor: pointer;
	box-shadow: var(--at-shadow-xs);
	transition: background 0.15s ease, transform 0.15s ease;
	font-family: inherit;
	white-space: nowrap;
	height: auto;
	min-height: 0;
}

.at-arch-cta__form input.wpcf7-submit:hover {
	background: var(--at-brand-700);
	border-color: var(--at-brand-700);
}

.at-arch-cta__form .wpcf7-spinner {
	display: inline-block;
	margin: 0 0 0 8px;
	vertical-align: middle;
}

.at-arch-cta__form .wpcf7-not-valid-tip {
	margin-top: 6px;
	font-size: var(--at-fs-text-sm);
	color: #fda29b;
}

.at-arch-cta__form .wpcf7-response-output {
	width: 100%;
	margin: 12px 0 0;
	padding: 10px 12px;
	border: 1px solid rgba(255, 255, 255, 0.18);
	border-radius: var(--at-radius-md);
	font-size: var(--at-fs-text-sm);
	line-height: var(--at-lh-text-sm);
	color: #ffffff;
	background: rgba(255, 255, 255, 0.08);
}

.at-arch-cta__form .wpcf7 form.sent .wpcf7-response-output {
	border-color: #6cdcb1;
	background: rgba(108, 220, 177, 0.12);
	color: #c8f5e1;
}

.at-arch-cta__form .wpcf7 form.invalid .wpcf7-response-output,
.at-arch-cta__form .wpcf7 form.unaccepted .wpcf7-response-output,
.at-arch-cta__form .wpcf7 form.failed .wpcf7-response-output {
	border-color: #fda29b;
	background: rgba(253, 162, 155, 0.12);
	color: #fecdca;
}

/* ---------- Responsive ---------- */

@media (max-width: 1199px) {
	.at-arch-grid {
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}
}

@media (max-width: 991px) {
	.at-blog-archive {
		--at-container-pad: 24px;
	}

	.at-blog-archive .at-blog-breadcrumbs__inner {
		padding: 0;
	}

	.at-arch-section {
		padding: 48px 0;
	}

	.at-arch-recent__grid,
	.at-arch-hgrid {
		grid-template-columns: 1fr;
	}

	.at-arch-recent__side {
		grid-template-rows: auto auto;
		gap: 24px;
	}

	.at-arch-recent__side .at-arch-hcard {
		grid-template-columns: 200px 1fr;
		gap: 16px;
	}

	.at-arch-recent__side .at-arch-hcard__image {
		aspect-ratio: 4 / 3;
	}

	.at-arch-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.at-arch-hcard {
		grid-template-columns: 160px 1fr;
		gap: 16px;
	}

	.at-arch-cta__inner {
		flex-direction: column;
		align-items: stretch;
	}

	.at-arch-cta__form {
		flex-basis: auto;
		width: 100%;
	}
}

@media (max-width: 599px) {
	.at-blog-archive {
		--at-container-pad: 16px;
	}

	.at-arch-section {
		padding: 40px 0;
	}

	.at-arch-section__heading {
		font-size: 22px;
		line-height: 30px;
		margin-bottom: 24px;
	}

	.at-arch-grid {
		grid-template-columns: 1fr;
	}

	.at-arch-feat__title,
	.at-arch-card__title {
		font-size: 20px;
		line-height: 28px;
	}

	.at-arch-hcard {
		grid-template-columns: 120px 1fr;
		gap: 12px;
	}

	.at-arch-hcard__title {
		font-size: var(--at-fs-text-md);
		line-height: var(--at-lh-text-md);
	}

	.at-arch-cta {
		padding: 40px var(--at-container-pad);
	}

	.at-arch-cta__heading {
		font-size: 24px;
		line-height: 32px;
	}

	.at-arch-cta__sub {
		font-size: var(--at-fs-text-md);
		line-height: var(--at-lh-text-md);
	}

	.at-arch-cta__form .at-cf7-subscribe,
	.at-arch-cta__form .wpcf7-form {
		flex-direction: column;
	}
}