:root {
	--htm-ink: #0f172a;
	--htm-muted: #64748b;
	--htm-line: rgba(148, 163, 184, 0.28);
	--htm-blue: #2563eb;
	--htm-cyan: #06b6d4;
	--htm-violet: #7c3aed;
	--htm-bg: #f8fbff;
}

.htm-page {
	background: linear-gradient(180deg, #f7fbff 0%, #ffffff 32%, #f8fbff 100%);
	color: var(--htm-ink);
	overflow: hidden;
}

.htm-page .site-container {
	max-width: 1220px;
	margin: 0 auto;
	padding: 0 20px;
}

.htm-section {
	padding: 88px 0;
	position: relative;
}

.htm-eyebrow {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 8px 14px;
	border: 1px solid rgba(37, 99, 235, 0.18);
	border-radius: 999px;
	background: rgba(255, 255, 255, 0.86);
	color: var(--htm-blue);
	font-size: 13px;
	font-weight: 800;
	letter-spacing: 0.04em;
	text-transform: uppercase;
}

.htm-section-heading {
	max-width: 820px;
	margin-bottom: 38px;
}

.htm-center {
	margin-left: auto;
	margin-right: auto;
	text-align: center;
}

.htm-section-heading h2,
.htm-intro h2,
.htm-faq h2,
.htm-cta h2 {
	margin: 14px 0 0;
	font-size: clamp(30px, 4vw, 48px);
	line-height: 1.08;
	letter-spacing: -0.04em;
	color: #071733;
}

.htm-section-heading p,
.htm-intro p,
.htm-faq p,
.htm-cta p {
	margin: 16px 0 0;
	font-size: 17px;
	line-height: 1.75;
	color: var(--htm-muted);
}

.htm-hero {
	min-height: 690px;
	padding: 120px 0 92px;
	position: relative;
	isolation: isolate;
	background-image: linear-gradient(92deg, rgba(7, 15, 38, 0.92), rgba(22, 54, 130, 0.72), rgba(8, 145, 178, 0.45)), url('../images/hitechmail/hitechmail-hero.jpg');
	background-position: center;
	background-size: cover;
	color: #fff;
}

.htm-hero::before,
.htm-hero::after {
	content: "";
	position: absolute;
	border-radius: 999px;
	filter: blur(16px);
	z-index: -1;
}

.htm-hero::before {
	width: 360px;
	height: 360px;
	right: 8%;
	top: 110px;
	background: rgba(6, 182, 212, 0.34);
}

.htm-hero::after {
	width: 300px;
	height: 300px;
	left: 36%;
	bottom: 30px;
	background: rgba(124, 58, 237, 0.32);
}

.htm-hero__grid {
	display: grid;
	grid-template-columns: minmax(0, 1.25fr) minmax(330px, 0.75fr);
	gap: clamp(70px, 8vw, 128px);
	align-items: center;
}

.htm-hero .site-container {
	max-width: 1320px;
	padding-left: clamp(34px, 5vw, 70px);
	padding-right: clamp(34px, 5vw, 70px);
}

.htm-hero__content h1 {
	max-width: 880px;
	margin: 22px 0 18px;
	font-size: clamp(38px, 5.4vw, 72px);
	line-height: 1.02;
	letter-spacing: -0.06em;
	color: #fff;
}

.htm-hero__content p {
	max-width: 760px;
	margin: 0;
	font-size: 19px;
	line-height: 1.8;
	color: rgba(255, 255, 255, 0.88);
}

.htm-hero__actions,
.htm-hero__badges {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	margin-top: 28px;
}

.htm-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 48px;
	padding: 0 22px;
	border-radius: 999px;
	font-weight: 800;
	text-decoration: none;
	transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.htm-btn:hover {
	transform: translateY(-2px);
	text-decoration: none;
}

.htm-btn--primary {
	background: linear-gradient(135deg, #38bdf8, #2563eb 52%, #7c3aed);
	color: #fff;
	box-shadow: 0 18px 38px rgba(37, 99, 235, 0.35);
}

.htm-btn--outline {
	border: 1px solid rgba(255, 255, 255, 0.34);
	background: rgba(255, 255, 255, 0.1);
	color: #fff;
	backdrop-filter: blur(10px);
}

.htm-btn--light {
	background: #fff;
	color: #1d4ed8;
	box-shadow: 0 18px 40px rgba(15, 23, 42, 0.18);
}

.htm-hero__badges span {
	padding: 8px 12px;
	border: 1px solid rgba(255, 255, 255, 0.18);
	border-radius: 999px;
	background: rgba(255, 255, 255, 0.1);
	font-size: 13px;
	font-weight: 700;
	color: rgba(255, 255, 255, 0.9);
}

.htm-hero-card {
	padding: 34px;
	border: 1px solid rgba(255, 255, 255, 0.18);
	border-radius: 34px;
	background: rgba(255, 255, 255, 0.13);
	box-shadow: 0 35px 90px rgba(2, 6, 23, 0.35);
	backdrop-filter: blur(16px);
}

.htm-logo-mark {
	display: inline-flex;
	padding: 11px 16px;
	border-radius: 18px;
	background: #fff;
	color: #0f172a;
	font-size: 28px;
	font-weight: 950;
	letter-spacing: -0.05em;
}

.htm-logo-mark span {
	color: var(--htm-blue);
}

.htm-hero-card h2 {
	margin: 34px 0 12px;
	font-size: 40px;
	line-height: 1.05;
	letter-spacing: -0.04em;
	color: #fff;
}

.htm-hero-card p {
	margin: 0;
	color: rgba(255, 255, 255, 0.86);
	line-height: 1.75;
}

.htm-intro__grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 54px;
	align-items: start;
}

.htm-workspace {
	background: radial-gradient(circle at 10% 10%, rgba(37, 99, 235, 0.09), transparent 30%), #fff;
}

.htm-workspace__grid {
	display: grid;
	grid-template-columns: 265px minmax(0, 1fr);
	gap: 28px;
	align-items: stretch;
}

.htm-workspace__tabs {
	display: grid;
	gap: 10px;
	align-content: start;
}

.htm-tab {
	display: flex;
	align-items: center;
	gap: 12px;
	width: 100%;
	padding: 14px;
	border: 1px solid var(--htm-line);
	border-radius: 18px;
	background: #fff;
	color: #334155;
	font-weight: 800;
	text-align: left;
	cursor: pointer;
	box-shadow: 0 12px 32px rgba(15, 23, 42, 0.05);
	transition: border 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.htm-tab img,
.htm-panel__copy img,
.htm-desktop-card__head img {
	width: 34px;
	height: 34px;
	object-fit: contain;
}

.htm-tab.is-active,
.htm-tab:hover {
	border-color: rgba(37, 99, 235, 0.34);
	box-shadow: 0 16px 34px rgba(37, 99, 235, 0.13);
	transform: translateY(-1px);
}

.htm-workspace__stage {
	position: relative;
	min-height: 570px;
}

.htm-panel {
	display: none;
	grid-template-columns: 0.78fr 1.22fr;
	gap: 28px;
	align-items: center;
	height: 100%;
	padding: 24px;
	border: 1px solid var(--htm-line);
	border-radius: 34px;
	background: linear-gradient(145deg, #ffffff, #f7fbff);
	box-shadow: 0 26px 80px rgba(15, 23, 42, 0.09);
}

.htm-panel.is-active {
	display: grid;
}

.htm-panel__copy {
	padding: 12px;
}

.htm-panel__copy h3 {
	margin: 18px 0 12px;
	font-size: 36px;
	letter-spacing: -0.04em;
	color: #071733;
}

.htm-panel__copy p {
	margin: 0;
	font-size: 16px;
	line-height: 1.75;
	color: var(--htm-muted);
}

.htm-panel__screen {
	width: 100%;
	border-radius: 24px;
	box-shadow: 0 24px 64px rgba(15, 23, 42, 0.14);
}

.htm-pricing {
	background: linear-gradient(180deg, #f6f9ff, #ffffff);
}

.htm-filter-row {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 10px;
	margin-bottom: 28px;
}

.htm-filter {
	padding: 10px 16px;
	border: 1px solid var(--htm-line);
	border-radius: 999px;
	background: #fff;
	color: #334155;
	font-weight: 800;
	cursor: pointer;
}

.htm-filter.is-active,
.htm-filter:hover {
	border-color: transparent;
	background: linear-gradient(135deg, var(--htm-blue), var(--htm-violet));
	color: #fff;
}

.htm-pricing-shell {
	position: relative;
	margin: 0 -48px;
	padding: 0 48px;
}

.htm-product-slider {
	display: grid;
	grid-auto-flow: column;
	grid-auto-columns: calc((100% - 72px) / 4);
	gap: 24px;
	overflow-x: auto;
	scroll-behavior: smooth;
	scroll-snap-type: x mandatory;
	padding: 8px 4px 28px;
	scrollbar-width: thin;
}

.htm-product {
	display: flex;
	flex-direction: column;
	padding: 24px;
	border: 1px solid var(--htm-line);
	border-radius: 28px;
	background: #fff;
	box-shadow: 0 18px 54px rgba(15, 23, 42, 0.08);
	position: relative;
	overflow: hidden;
	scroll-snap-align: start;
	transition: opacity 0.2s ease, transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.htm-product:hover {
	border-color: rgba(37, 99, 235, 0.38);
	box-shadow: 0 26px 62px rgba(37, 99, 235, 0.13);
	transform: translateY(-6px);
}

.htm-product--featured {
	border-color: rgba(37, 99, 235, 0.42);
	box-shadow: 0 28px 80px rgba(37, 99, 235, 0.16);
}

.htm-product--featured::before {
	content: "Khuyến nghị";
	position: absolute;
	right: 20px;
	top: 20px;
	padding: 6px 10px;
	border-radius: 999px;
	background: linear-gradient(135deg, #2563eb, #7c3aed);
	color: #fff;
	font-size: 12px;
	font-weight: 900;
}

.htm-product__hidden-id {
	display: none;
}

.htm-product.is-hidden {
	display: none;
}

.htm-product__top > span {
	display: inline-flex;
	padding: 6px 10px;
	border-radius: 999px;
	background: rgba(37, 99, 235, 0.09);
	color: var(--htm-blue);
	font-size: 12px;
	font-weight: 900;
	text-transform: uppercase;
}

.htm-product__top h3 {
	margin: 16px 0 10px;
	font-size: 24px;
	line-height: 1.15;
	letter-spacing: -0.03em;
	color: #071733;
}

.htm-product__top p {
	margin: 0;
	min-height: 86px;
	color: var(--htm-muted);
	line-height: 1.65;
}

.htm-product__meta {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 10px;
	margin: 18px 0;
}

.htm-product__meta strong {
	padding: 10px;
	border-radius: 14px;
	background: #f1f5f9;
	font-size: 13px;
	color: #0f172a;
	text-align: center;
}

.htm-price-line {
	display: flex;
	align-items: baseline;
	gap: 8px;
	margin-bottom: 12px;
	white-space: nowrap;
}

.htm-price-value {
	font-size: 30px;
	line-height: 1;
	letter-spacing: -0.04em;
	color: #0f172a;
}

.htm-price-line.is-long-price .htm-price-value {
	font-size: 25px;
}

.htm-cycle-label {
	color: var(--htm-muted);
	font-weight: 700;
}

.htm-cycle-select {
	width: 100%;
	min-height: 44px;
	padding: 0 14px;
	border: 1px solid var(--htm-line);
	border-radius: 14px;
	background: #fff;
	color: #0f172a;
	font-weight: 800;
}

.htm-check-list {
	display: grid;
	gap: 10px;
	margin: 18px 0 24px;
	padding: 0;
	list-style: none;
}

.htm-check-list li {
	position: relative;
	padding-left: 24px;
	font-size: 14px;
	line-height: 1.5;
	color: #334155;
}

.htm-check-list li::before {
	content: "✓";
	position: absolute;
	left: 0;
	top: 0;
	color: #0891b2;
	font-weight: 900;
}

.htm-product__action {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 46px;
	margin-top: auto;
	border-radius: 999px;
	background: #0f172a;
	color: #fff;
	font-weight: 900;
	text-decoration: none;
}

.htm-product__action:hover {
	background: linear-gradient(135deg, var(--htm-blue), var(--htm-violet));
	color: #fff;
	text-decoration: none;
}

.htm-slider-btn {
	position: absolute;
	top: 42%;
	z-index: 3;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 42px;
	height: 42px;
	border: 0;
	border-radius: 999px;
	background: #ffffff;
	box-shadow: 0 12px 28px rgba(15, 23, 42, 0.16);
	color: #1d4ed8;
	cursor: pointer;
	font-size: 34px;
	line-height: 1;
}

.htm-slider-btn--prev {
	left: 0;
}

.htm-slider-btn--next {
	right: 0;
}

.htm-mobile {
	background: #fff;
}

.htm-mobile-grid {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 20px;
}

.htm-mobile-card,
.htm-desktop-card {
	padding: 20px;
	border: 1px solid var(--htm-line);
	border-radius: 28px;
	background: linear-gradient(180deg, #ffffff, #f8fbff);
	box-shadow: 0 18px 52px rgba(15, 23, 42, 0.07);
}

.htm-mobile-card img {
	display: block;
	max-width: 100%;
	height: 310px;
	margin: 0 auto 18px;
	object-fit: contain;
}

.htm-mobile-card h3,
.htm-desktop-card h3 {
	margin: 0 0 10px;
	font-size: 22px;
	letter-spacing: -0.03em;
	color: #071733;
}

.htm-mobile-card p,
.htm-desktop-card p {
	margin: 0;
	line-height: 1.65;
	color: var(--htm-muted);
}

.htm-desktop {
	background: radial-gradient(circle at 80% 0%, rgba(124, 58, 237, 0.09), transparent 32%), #f8fbff;
}

.htm-desktop-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 22px;
}

.htm-desktop-card__head {
	display: flex;
	align-items: center;
	gap: 12px;
	margin-bottom: 12px;
}

.htm-desktop-card__screen {
	width: 100%;
	margin-top: 18px;
	border-radius: 20px;
	box-shadow: 0 18px 40px rgba(15, 23, 42, 0.1);
}

.htm-faq {
	background: #fff;
}

.htm-faq__grid {
	display: grid;
	grid-template-columns: 0.86fr 1.14fr;
	gap: 46px;
	align-items: start;
}

.htm-faq-list {
	display: grid;
	gap: 14px;
}

.htm-faq-list details {
	border: 1px solid var(--htm-line);
	border-radius: 20px;
	background: #fff;
	box-shadow: 0 16px 40px rgba(15, 23, 42, 0.05);
	overflow: hidden;
}

.htm-faq-list summary {
	padding: 18px 20px;
	font-weight: 900;
	color: #0f172a;
	cursor: pointer;
}

.htm-faq-list details p {
	margin: 0;
	padding: 0 20px 20px;
	font-size: 15px;
	line-height: 1.7;
}

.htm-cta {
	padding-top: 0;
}

.htm-cta__box {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 24px;
	padding: 42px;
	border-radius: 34px;
	background: linear-gradient(135deg, #0f172a, #1d4ed8 55%, #7c3aed);
	color: #fff;
	box-shadow: 0 30px 80px rgba(37, 99, 235, 0.22);
}

.htm-cta__box h2,
.htm-cta__box p {
	color: #fff;
}

.htm-cta__box p {
	max-width: 720px;
	color: rgba(255, 255, 255, 0.82);
}

@media (max-width: 1100px) {
	.htm-hero__grid,
	.htm-workspace__grid,
	.htm-panel,
	.htm-intro__grid,
	.htm-faq__grid {
		grid-template-columns: 1fr;
	}

	.htm-product-slider,
	.htm-desktop-grid {
		grid-auto-columns: calc((100% - 24px) / 2);
	}

	.htm-pricing-shell {
		margin: 0 -44px;
		padding: 0 44px;
	}

	.htm-slider-btn--prev {
		left: 0;
	}

	.htm-slider-btn--next {
		right: 0;
	}

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

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

	.htm-workspace__tabs {
		grid-template-columns: repeat(4, minmax(0, 1fr));
	}
}

@media (max-width: 720px) {
	.htm-section {
		padding: 64px 0;
	}

	.htm-hero {
		min-height: auto;
		padding: 96px 0 66px;
	}

	.htm-hero-card,
	.htm-cta__box {
		padding: 26px;
		border-radius: 26px;
	}

	.htm-workspace__tabs,
	.htm-product-slider,
	.htm-mobile-grid,
	.htm-desktop-grid {
		grid-auto-columns: 88%;
	}

	.htm-mobile-grid,
	.htm-desktop-grid {
		grid-template-columns: 1fr;
	}

	.htm-slider-btn {
		display: none;
	}

	.htm-pricing-shell {
		margin: 0;
		padding: 0;
	}

	.htm-tab {
		padding: 12px;
	}

	.htm-panel {
		padding: 18px;
		border-radius: 24px;
	}

	.htm-panel__copy h3 {
		font-size: 30px;
	}

	.htm-product__top p {
		min-height: auto;
	}

	.htm-mobile-card img {
		height: 260px;
	}

	.htm-cta__box {
		align-items: flex-start;
		flex-direction: column;
	}
}