/* PTI — SINGLE chương trình đào tạo / CPT khoahoc. Chỉ ảnh hưởng trang single. */
.pti-khoahoc-single-page {
	background: #f5f7fc;
	min-height: 65vh;
}

.pti-kd {
	--pti-blue: #225add;
	--pti-deep: #0a347b;
	--pti-action: #2e6dff;
	--pti-ink: #172c4b;
	--pti-muted: #6d7a8e;
	--pti-line: #e5ebf5;
	--pti-card-shadow: 0 10px 34px rgba(28, 65, 117, .06);
	font-family: 'Roboto', Arial, sans-serif;
	font-size: 15px;
	line-height: 1.65;
	color: var(--pti-ink);
	padding: 25px 18px 90px;
}

.pti-kd *, .pti-kd *::before, .pti-kd *::after {
	box-sizing: border-box
}

.pti-kd-container {
	max-width: 1200px;
	margin-inline: auto;
}

.pti-kd h1, .pti-kd h2, .pti-kd h3, .pti-kd p, .pti-kd a, .pti-kd button, .pti-kd label, .pti-kd input, .pti-kd select {
	font-family: inherit;
}

.pti-kd h1, .pti-kd h2, .pti-kd h3 {
	letter-spacing: -.025em;
	text-transform: none;
	color: var(--pti-ink);
}

.pti-kd h2 {
	font-size: clamp(24px, 2.3vw, 30px);
	line-height: 1.24;
	margin: 9px 0 12px;
	font-weight: 700;
}

.pti-kd h3 {
	font-size: 20px;
	line-height: 1.35;
	font-weight: 700;
	margin: 0 0 13px;
}

.pti-kd a {
	text-decoration: none;
}

.pti-kd a:focus-visible, .pti-kd button:focus-visible, .pti-kd summary:focus-visible {
	outline: 3px solid #87a9ff;
	outline-offset: 3px;
}

.pti-kd [id] {
	scroll-margin-top: 155px;
}

.pti-kd-breadcrumb {
	display: flex;
	gap: 9px;
	align-items: center;
	flex-wrap: wrap;
	margin: 0 0 18px;
	color: #7e8ca0;
	font-size: 13px;
}

.pti-kd-breadcrumb a {
	color: #526886;
	font-weight: 500;
}

.pti-kd-breadcrumb a:hover {
	color: var(--pti-blue);
}

.pti-kd-breadcrumb-current {
	max-width: 320px;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
	color: #244569;
	font-weight: 600;
}

/* Hero bán khóa học: nền xanh PTI, tiêu đề lớn, ảnh đào tạo thực tế. */
.pti-kd-hero {
	display: grid;
	grid-template-columns: minmax(0, 1.2fr) minmax(0, .85fr);
	align-items: stretch;
	min-height: 390px;
	overflow: hidden;
	border-radius: 24px;
	background: linear-gradient(125deg, #0a337d 1%, #1559bd 76%, #3275ec);
	box-shadow: 0 20px 55px rgba(11, 51, 123, .17);
	position: relative;
	isolation: isolate;
}

.pti-kd-hero::before {
	content: "";
	position: absolute;
	inset: 0;
	background: radial-gradient(ellipse at 25% 10%, rgba(255, 255, 255, .16), transparent 53%);
	pointer-events: none;
	z-index: 0;
}

.pti-kd-hero-content {
	position: relative;
	z-index: 2;
	padding: 49px 46px;
	display: flex;
	flex-direction: column;
	justify-content: center;
	min-width: 0;
}

.pti-kd-hero-tags {
	display: flex;
	align-items: center;
	gap: 9px;
	flex-wrap: wrap;
	margin-bottom: 16px;
}

.pti-kd-hero-tag, .pti-kd-hero-code {
	display: inline-flex;
	align-items: center;
	min-height: 29px;
	padding: 5px 12px;
	border-radius: 40px;
	font-size: 11px;
	line-height: 1.4;
	font-weight: 700;
	letter-spacing: .065em;
}

.pti-kd-hero-tag {
	background: #fff;
	color: var(--pti-blue);
}

.pti-kd-hero-code {
	color: #dbe9ff;
	border: 1px solid rgba(255, 255, 255, .24);
}

.pti-kd .pti-kd-title {
	color: #fff;
	font-size: clamp(31px, 3.3vw, 47px);
	font-weight: 700;
	line-height: 1.17;
	letter-spacing: -.035em;
	margin: 0 0 17px;
	overflow-wrap: anywhere;
}

.pti-kd-lead {
	color: #e0eafa;
	font-size: 16px;
	line-height: 1.72;
	max-width: 620px;
	margin: 0 0 21px;
}

.pti-kd-hero-facts {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 9px;
	margin-bottom: 23px;
}

.pti-kd-hero-facts span {
	border: 1px solid rgba(255, 255, 255, .25);
	border-radius: 32px;
	padding: 6px 11px;
	color: #fff;
	font-size: 12px;
	line-height: 1.6;
}

.pti-kd-hero-actions {
	display: flex;
	gap: 12px;
	flex-wrap: wrap;
	align-items: center;
}

.pti-kd .pti-kd-btn, .pti-kd .pti-kd-hero-outline {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 12px;
	min-height: 48px;
	padding: 11px 22px;
	border-radius: 11px;
	font-size: 14px;
	font-weight: 700;
	line-height: 1.4;
	white-space: normal;
	text-align: center;
	transition: transform .25s ease, box-shadow .25s ease, background-color .25s ease, color .25s ease;
}

.pti-kd-btn--white {
	color: var(--pti-blue) !important;
	background: #fff;
	box-shadow: 0 6px 16px rgba(0, 0, 0, .1);
}

.pti-kd-btn--white:hover {
	background: #f2f6ff;
	transform: translateY(-2px);
	color: #0b438d !important;
}

.pti-kd .pti-kd-hero-outline {
	color: #fff;
	border: 1px solid rgba(255, 255, 255, .45);
	background: rgba(255, 255, 255, .06);
}

.pti-kd .pti-kd-hero-outline:hover {
	background: rgba(255, 255, 255, .17);
	color: #fff;
	transform: translateY(-2px);
}

.pti-kd-hero-visual {
	position: relative;
	min-height: 100%;
	overflow: hidden;
}

.pti-kd-hero-visual:before {
	content: "";
	position: absolute;
	inset: 0;
	z-index: 1;
	background: linear-gradient(90deg, #1558b9 0%, rgba(18, 74, 156, .5) 18%, transparent 72%);
	pointer-events: none;
}

.pti-kd-hero-visual img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center;
	display: block;
	position: absolute;
	inset: 0;
}

.pti-kd-hero-photo-overlay {
	position: absolute;
	inset: 0;
	z-index: 1;
	background: linear-gradient(0deg, rgba(5, 31, 85, .3), transparent 70%);
	pointer-events: none;
}

.pti-kd-hero-visual--empty {
	display: grid;
	place-items: center;
	background: radial-gradient(circle at 70% 35%, #4389f4, #184ca3 62%, #0d357c);
}

.pti-kd-hero-visual--empty>span {
	color: rgba(255, 255, 255, .19);
	font-weight: 800;
	font-size: 160px;
	letter-spacing: -.08em;
}

.pti-kd-section-nav {
	display: flex;
	gap: 7px;
	align-items: center;
	overflow-x: auto;
	scrollbar-width: thin;
	white-space: nowrap;
	padding: 12px 14px;
	margin: 23px 0 22px;
	background: #fff;
	border: 1px solid var(--pti-line);
	border-radius: 15px;
	box-shadow: 0 4px 18px rgba(18, 59, 111, .035);
}

.pti-kd-section-nav a {
	display: inline-flex;
	padding: 8px 13px;
	color: #526780;
	font-weight: 600;
	font-size: 13px;
	border-radius: 9px;
	transition: background-color .2s ease, color .2s ease;
}

.pti-kd-section-nav a:hover, .pti-kd-section-nav a:focus-visible {
	color: var(--pti-blue);
	background: #edf3ff;
}

.pti-kd-layout {
	display: grid;
	grid-template-columns: minmax(0, 1.8fr) minmax(330px, .9fr);
	gap: 24px;
	align-items: start;
}

.pti-kd-main, .pti-kd-sidebar {
	min-width: 0;
	display: grid;
	gap: 24px;
	align-content: start;
}

.pti-kd-panel {
	background: #fff;
	border: 1px solid var(--pti-line);
	border-radius: 20px;
	padding: 30px 32px;
	box-shadow: var(--pti-card-shadow);
	min-width: 0;
}

.pti-kd-section-head {
	margin-bottom: 24px;
}

.pti-kd-section-head h2 {
	color: var(--pti-blue);
}

.pti-kd-section-head>p {
	font-size: 14px;
	color: var(--pti-muted);
	margin: 0;
	line-height: 1.75;
}

.pti-kd-eyebrow {
	display: inline-flex;
	color: #286aff;
	font-weight: 700;
	letter-spacing: .095em;
	font-size: 11px;
	line-height: 1.4;
	text-transform: uppercase;
}

.pti-kd-text {
	line-height: 1.9;
	font-size: 15px;
	color: #42546c;
	overflow-wrap: anywhere;
}

.pti-kd-text :is(p, ul, ol) {
	margin: 0 0 14px;
}

.pti-kd-text :last-child {
	margin-bottom: 0;
}

.pti-kd-text ul, .pti-kd-text ol {
	padding-left: 22px;
}

.pti-kd-subsection {
	border-top: 1px solid var(--pti-line);
	margin-top: 27px;
	padding-top: 24px;
}

.pti-kd-subsection h3 {
	color: var(--pti-blue);
}

.pti-kd-muted {
	color: var(--pti-muted);
	font-style: italic;
}

.pti-kd-audience {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 12px;
}

.pti-kd-audience>div {
	display: flex;
	align-items: flex-start;
	gap: 11px;
	border: 1px solid #e7ecf6;
	border-radius: 13px;
	background: #fbfcff;
	padding: 15px;
	color: #304761;
	font-weight: 500;
	line-height: 1.55;
}

.pti-kd-check {
	width: 23px;
	height: 23px;
	flex: none;
	display: grid;
	place-items: center;
	background: #e5eeff;
	border-radius: 50%;
	color: var(--pti-blue);
	font-size: 13px;
	font-weight: 900;
}

.pti-kd-highlights {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 13px;
}

.pti-kd-highlight {
	padding: 17px;
	border: 1px solid #e5ebf7;
	background: linear-gradient(130deg, #fff, #f7faff);
	border-radius: 14px;
	display: flex;
	gap: 12px;
	align-items: flex-start;
}

.pti-kd-highlight>b {
	background: #e3edff;
	border-radius: 10px;
	flex: none;
	display: grid;
	place-items: center;
	width: 36px;
	height: 36px;
	font-size: 13px;
	color: var(--pti-blue);
}

.pti-kd-highlight strong {
	font-size: 14px;
	color: #1d3f73;
	display: block;
	line-height: 1.5;
}

.pti-kd-highlight p {
	font-size: 13px;
	line-height: 1.6;
	margin: 7px 0 0;
	color: #62758c;
}

.pti-kd-quote {
	margin: 26px 0 0;
	border-left: 4px solid #427cf5;
	padding: 18px 22px;
	color: #244e90;
	border-radius: 0 12px 12px 0;
	background: #f0f5ff;
	font-size: 15px;
	font-style: italic;
	font-weight: 600;
	line-height: 1.7;
}

.pti-kd-heading-row {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 12px;
	flex-wrap: wrap;
}

.pti-kd-heading-row h2 {
	margin-bottom: 9px;
}

.pti-kd-expand {
	background: #edf3ff;
	border: 0;
	border-radius: 9px;
	padding: 8px 11px;
	font-size: 12px;
	color: var(--pti-blue);
	font-weight: 700;
	cursor: pointer;
	box-shadow: none;
}

.pti-kd-expand:hover {
	background: #e0ebff;
	color: #0a3e91;
}

.pti-kd-modules {
	display: grid;
	gap: 10px;
}

.pti-kd-module {
	border: 1px solid var(--pti-line);
	border-radius: 13px;
	overflow: hidden;
	background: #fff;
}

.pti-kd-module[open] {
	border-color: #c5d8ff;
	box-shadow: 0 8px 24px rgba(28, 102, 221, .055);
}

.pti-kd-module summary {
	list-style: none;
	display: flex;
	align-items: center;
	gap: 13px;
	padding: 16px;
	cursor: pointer;
	background: #fafbff;
}

.pti-kd-module summary::-webkit-details-marker {
	display: none;
}

.pti-kd-module summary>span:first-child {
	flex: none;
	color: var(--pti-blue);
	font-weight: 700;
	font-size: 11px;
	padding: 7px 10px;
	background: #e8efff;
	border-radius: 9px;
}

.pti-kd-module summary strong {
	flex: 1;
	min-width: 0;
	font-size: 14px;
	line-height: 1.45;
	color: #253f62;
	font-weight: 700;
}

.pti-kd-module-toggle {
	display: grid;
	place-items: center;
	width: 27px;
	height: 27px;
	flex: none;
	background: #fff;
	color: var(--pti-blue);
	font-size: 22px;
	font-weight: 400;
	border-radius: 50%;
	border: 1px solid #dbe6ff;
}

.pti-kd-module[open] .pti-kd-module-toggle {
	transform: rotate(45deg);
}

.pti-kd-module-content {
	padding: 17px 20px;
	border-top: 1px solid var(--pti-line);
}

.pti-kd-download {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	padding: 19px;
	border: 1px dashed #9bb9fb;
	border-radius: 14px;
	background: #f4f7ff;
	margin-top: 20px;
}

.pti-kd-download strong {
	display: block;
	color: var(--pti-blue);
	font-size: 15px;
}

.pti-kd-download small {
	color: #6d7a8e;
	display: block;
	line-height: 1.5;
	margin-top: 2px;
}

.pti-kd-download a {
	background: #fff;
	padding: 9px 13px;
	border: 1px solid #bed2ff;
	border-radius: 9px;
	color: var(--pti-blue);
	white-space: nowrap;
	font-size: 13px;
	font-weight: 700;
}

.pti-kd-download a:hover {
	background: #e7efff;
	color: #0a3c8d;
}

.pti-kd-teachers {
	display: grid;
	gap: 16px;
}

.pti-kd-teacher {
	display: grid;
	grid-template-columns: 128px minmax(0, 1fr);
	gap: 20px;
	align-items: start;
	padding: 16px;
	border-radius: 15px;
	background: #f9fbff;
	border: 1px solid #e7edf7;
}

.pti-kd-teacher-media {
	overflow: hidden;
	height: 150px;
	border-radius: 12px;
	background: linear-gradient(130deg, #9ec2fe, #1b55b1);
	display: grid;
	place-items: center;
	color: #fff;
	font-weight: 800;
	font-size: 28px;
}

.pti-kd-teacher-media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

.pti-kd-label {
	font-size: 11px;
	color: #326af4;
	font-weight: 700;
}

.pti-kd-teacher h3 {
	color: var(--pti-blue);
	font-size: 20px;
	margin: 5px 0;
}

.pti-kd-role {
	display: block;
	color: #516988;
	font-size: 13px;
	font-weight: 600;
}

.pti-kd-teacher p {
	font-size: 13px;
	line-height: 1.75;
	color: #65748a;
	margin: 10px 0;
}

.pti-kd-text-link {
	font-size: 13px;
	color: #326cff !important;
	display: inline-flex;
	align-items: center;
	gap: 7px;
	font-weight: 700;
}

.pti-kd-text-link:hover {
	color: #104da6 !important;
}

.pti-kd-schedules {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 13px;
}

.pti-kd-schedule {
	border: 1px solid #e2eaf6;
	border-radius: 14px;
	background: #fff;
	padding: 18px;
	min-width: 0;
}

.pti-kd-schedule-head {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	gap: 8px;
	flex-wrap: wrap;
	margin-bottom: 15px;
}

.pti-kd-schedule-head strong {
	font-size: 14px;
	color: var(--pti-blue);
	font-weight: 700;
}

.pti-kd-status {
	font-size: 10px;
	font-weight: 700;
	color: #117046;
	background: #e5f8ed;
	padding: 4px 9px;
	border-radius: 50px;
}

.pti-kd-status--het_cho, .pti-kd-status--ket_thuc {
	color: #8c5b14;
	background: #fff2d9;
}

.pti-kd-schedule-date {
	border-top: 1px solid var(--pti-line);
	padding-top: 12px;
	display: flex;
	flex-direction: column;
	gap: 2px;
}

.pti-kd-schedule-date span {
	font-size: 12px;
	color: var(--pti-muted);
}

.pti-kd-schedule-date b {
	font-size: 23px;
	font-weight: 700;
	color: #203d65;
}

.pti-kd-schedule p {
	margin: 10px 0 0;
	color: #60728c;
	font-size: 13px;
}

.pti-kd-schedule-link {
	display: inline-flex;
	margin-top: 14px;
	color: #296dff;
	font-size: 12px;
	font-weight: 700;
}

.pti-kd-schedule-empty {
	background: #f1f5ff;
	border: 1px dashed #c7d7f4;
	border-radius: 12px;
	color: #516985;
	padding: 19px;
	font-size: 14px;
}

.pti-kd-schedule-empty a {
	color: var(--pti-blue);
	font-weight: 700;
}

/* Sidebar: bảng giá riêng, form đơn giản và CTA xanh gradient. */
.pti-kd-pricing-card {
	overflow: hidden;
	position: relative;
}

.pti-kd-pricing-card::before {
	content: "";
	display: block;
	background: linear-gradient(90deg, #98afff, #256bff);
	height: 5px;
	position: absolute;
	inset: 0 0 auto;
}

.pti-kd-pricing-eyebrow {
	color: #3d73e9;
	font-size: 11px;
	letter-spacing: .08em;
	font-weight: 700;
}

.pti-kd-pricing-card h2 {
	font-size: 20px;
	color: var(--pti-blue);
	margin: 10px 0 15px;
}

.pti-kd-price {
	display: flex;
	align-items: baseline;
	gap: 7px;
	flex-wrap: wrap;
	margin: 0 0 7px;
	flex-direction: column;
}

.pti-kd-price del {
	font-size: 15px;
	color: #8f9caf;
}

.pti-kd-price strong {
	color: var(--fs-color-secondary);
	font-size: clamp(28px, 2.6vw, 35px);
	line-height: 1.25;
	font-weight: 800;
	white-space: normal;
}

.pti-kd-saving {
	display: inline-block;
	border-radius: 30px;
	background: #e7efff;
	color: #1a55bd;
	font-size: 12px;
	padding: 5px 11px;
	font-weight: 700;
	margin: 3px 0 13px;
}

.pti-kd-price-facts {
	border-top: 1px solid var(--pti-line);
	margin: 18px 0;
}

.pti-kd-price-facts>div {
	border-bottom: 1px solid var(--pti-line);
	padding: 10px 0;
	display: flex;
	justify-content: space-between;
	gap: 16px;
	align-items: baseline;
}

.pti-kd-price-facts span {
	color: #78879c;
	font-size: 12px;
	flex: none;
}

.pti-kd-price-facts strong {
	color: #244263;
	text-align: right;
	font-size: 13px;
	line-height: 1.4;
	font-weight: 600;
}

.pti-kd .pti-kd-btn--primary, .pti-kd-form button[type=submit] {
	background: linear-gradient(110deg, #8ba6ff 0%, #2b6cff 100%);
	color: #fff !important;
	border: 0;
	box-shadow: 0 7px 18px rgba(46, 110, 246, .17);
	width: 100%;
}

.pti-kd .pti-kd-btn--primary:hover, .pti-kd-form button[type=submit]:hover {
	background: linear-gradient(110deg, #7298fa, #155bf0);
	color: #fff !important;
	transform: translateY(-2px);
	box-shadow: 0 10px 22px rgba(46, 110, 246, .27);
}

.pti-kd-price-caption {
	text-align: center;
	margin: 9px 0 0;
	color: #78889b;
	font-size: 11px;
}

.pti-kd-price-hotline {
	display: block;
	text-align: center;
	padding: 11px 6px 0;
	margin-top: 13px;
	border-top: 1px solid var(--pti-line);
	font-weight: 700;
	color: var(--pti-blue);
	font-size: 14px;
}

.pti-kd-form-panel .pti-kd-section-head h2 {
	font-size: 23px;
}

.pti-kd-fields {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 10px;
}

.pti-kd-form label {
	font-size: 12px;
	font-weight: 600;
	color: #415a78;
	display: block;
	margin-bottom: 13px;
	line-height: 1.45;
}

.pti-kd-form em {
	color: #e44b46;
	font-style: normal;
}

.pti-kd-form :is(input, select) {
	display: block;
	width: 100%;
	min-width: 0;
	box-shadow: none;
	margin-top: 7px;
	height: 43px;
	background: #fff;
	border: 1px solid #dce4f0;
	border-radius: 9px;
	color: #304a67;
	font-size: 13px;
	font-weight: 400;
	padding: 9px 11px;
}

.pti-kd-form :is(input, select):focus {
	border-color: #3775ec;
	box-shadow: 0 0 0 3px rgba(55, 117, 236, .12);
	outline: none;
}

.pti-kd-form input::placeholder {
	color: #a3aec0;
}

.pti-kd-privacy {
	font-size: 11px;
	color: #8d9aac;
	margin: 5px 0 12px;
	line-height: 1.55;
}

.pti-kd-form button[type=submit] {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 10px;
	border-radius: 10px;
	min-height: 47px;
	font-size: 14px;
	font-weight: 700;
	letter-spacing: 0;
	padding: 11px 17px;
	text-transform: none;
	cursor: pointer;
	transition: transform .25s ease, box-shadow .25s ease;
}

.pti-kd-honeypot {
	position: absolute;
	left: -9999px;
	width: 1px;
	height: 1px;
	overflow: hidden;
}

.pti-kd-alert {
	font-size: 13px;
	padding: 13px;
	border-radius: 9px;
	margin: 0 0 14px;
}

.pti-kd-alert.success {
	background: #ecf9ef;
	color: #187744;
}

.pti-kd-alert.error {
	background: #ffefec;
	color: #ae3e2b;
}

.pti-kd-bank {
	display: grid;
	gap: 4px;
	border-radius: 14px;
	padding: 19px;
	background: linear-gradient(145deg, #0b367f, #1454a6);
}

.pti-kd-bank small {
	color: #c5d9f8;
	margin: 4px 0 0;
	font-size: 11px;
}

.pti-kd-bank strong {
	color: #fff;
	font-size: 13px;
	line-height: 1.5;
	overflow-wrap: anywhere;
}

.pti-kd-bank-number {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 12px;
}

.pti-kd-bank-number b {
	font-size: 17px;
	color: #fff;
	overflow-wrap: anywhere;
}

.pti-kd-copy {
	background: #fff;
	border-radius: 7px;
	padding: 7px 11px;
	color: var(--pti-blue);
	border: 0;
	font-size: 11px;
	font-weight: 700;
	cursor: pointer;
}

.pti-kd-qr {
	margin-top: 16px;
	text-align: center;
}

.pti-kd-qr img {
	max-width: 150px;
	height: auto;
	margin: 0 auto 6px;
}

.pti-kd-qr span, .pti-kd-payment-note {
	display: block;
	color: #71839a;
	font-size: 12px;
}

.pti-kd-payment-note {
	line-height: 1.7;
	margin: 12px 0 0;
}

/* Khóa học liên quan hiển thị động từ chính CPT, không field mới. */
.pti-kd-related {
	margin-top: 44px;
}

.pti-kd-related-top {
	display: flex;
	justify-content: space-between;
	align-items: end;
	gap: 16px;
	flex-wrap: wrap;
	margin-bottom: 18px;
}

.pti-kd-related-top h2 {
	color: var(--pti-blue);
	margin: 8px 0 0;
}

.pti-kd-related-top>a {
	color: #3674fa;
	font-weight: 700;
	font-size: 13px;
}

.pti-kd-related-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 20px;
}

.pti-kd-related-card {
	background: #fff;
	border: 1px solid #e4eaf4;
	border-radius: 18px;
	overflow: hidden;
	box-shadow: var(--pti-card-shadow);
	transition: transform .3s ease, box-shadow .3s ease;
}

.pti-kd-related-card:hover {
	transform: translateY(-5px);
	box-shadow: 0 17px 34px rgba(28, 71, 131, .12);
}

.pti-kd-related-media {
	display: block;
	height: 185px;
	overflow: hidden;
	background: #d4e3fb;
}

.pti-kd-related-media img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform .5s ease;
}

.pti-kd-related-card:hover img {
	transform: scale(1.055);
}

.pti-kd-related-placeholder {
	display: grid;
	place-items: center;
	width: 100%;
	height: 100%;
	font-size: 38px;
	font-weight: 800;
	color: #7a9cda;
	background: linear-gradient(130deg, #dde8fc, #9ebef5);
}

.pti-kd-related-body {
	padding: 19px;
}

.pti-kd-related-body h3 {
	font-size: 18px;
	line-height: 1.45;
	margin: 0 0 8px;
	min-height: 50px;
}

.pti-kd-related-body h3 a {
	color: #174d9b;
}

.pti-kd-related-body h3 a:hover {
	color: #2f77ff;
}

.pti-kd-related-body p {
	font-size: 13px;
	line-height: 1.65;
	color: #78869a;
	min-height: 42px;
	margin: 0 0 12px;
}

.pti-kd-mobile-cta {
	display: none;
}

@media(max-width:1060px) {
	.pti-kd-hero-content {
		padding: 38px 32px;
	}

	.pti-kd-panel {
		padding: 25px;
	}

	.pti-kd-layout {
		grid-template-columns: minmax(0, 1.6fr) minmax(290px, .95fr);
		gap: 18px;
	}

	.pti-kd-main, .pti-kd-sidebar {
		gap: 18px;
	}

	.pti-kd-highlights, .pti-kd-schedules {
		grid-template-columns: 1fr;
	}
}

@media(max-width:840px) {
	.pti-kd-hero {
		grid-template-columns: 1fr;
	}

	.pti-kd-hero-content {
		padding: 39px 31px;
		min-height: 315px;
	}

	.pti-kd-hero-visual {
		min-height: 245px;
	}

	.pti-kd-hero-visual img {
		position: absolute;
	}

	.pti-kd-hero-visual:before {
		background: linear-gradient(180deg, #1558b9 0%, rgba(18, 74, 156, 0) 55%);
	}

	.pti-kd-layout {
		grid-template-columns: minmax(0, 1fr);
	}

	.pti-kd-sidebar {
		display: grid;
		grid-template-columns: repeat(2, minmax(0, 1fr));
		align-items: start;
	}

	.pti-kd-sidebar .pti-kd-form-panel {
		grid-column: auto;
	}

	.pti-kd-payment {
		grid-column: span 2;
	}

	.pti-kd-related-grid {
		gap: 14px;
	}
}

@media(max-width:600px) {
	.pti-kd {
		padding: 14px 12px 90px;
	}

	.pti-kd-breadcrumb {
		gap: 6px;
		font-size: 11px;
		margin: 0 0 13px;
	}

	.pti-kd-breadcrumb-current {
		max-width: 150px;
	}

	.pti-kd-hero {
		border-radius: 18px;
	}

	.pti-kd-hero-content {
		padding: 28px 22px;
		min-height: unset;
	}

	.pti-kd .pti-kd-title {
		font-size: clamp(28px, 8vw, 36px);
	}

	.pti-kd-lead {
		font-size: 14px;
	}

	.pti-kd-hero-tags {
		margin-bottom: 12px;
	}

	.pti-kd-hero-visual {
		min-height: 185px;
	}

	.pti-kd-hero-visual--empty>span {
		font-size: 94px;
	}

	.pti-kd-hero-actions .pti-kd-btn, .pti-kd-hero-actions .pti-kd-hero-outline {
		width: 100%;
	}

	.pti-kd-section-nav {
		margin: 14px 0;
		padding: 7px;
		gap: 3px;
	}

	.pti-kd-section-nav a {
		padding: 8px 10px;
		font-size: 12px;
	}

	.pti-kd-panel {
		padding: 21px 17px;
		border-radius: 15px;
	}

	.pti-kd h2 {
		font-size: 24px;
	}

	.pti-kd h3 {
		font-size: 18px;
	}

	.pti-kd-text {
		font-size: 14px;
	}

	.pti-kd-audience, .pti-kd-highlights {
		grid-template-columns: 1fr;
	}

	.pti-kd-schedules {
		grid-template-columns: 1fr;
	}

	.pti-kd-teacher {
		grid-template-columns: 94px minmax(0, 1fr);
		gap: 13px;
		padding: 12px;
	}

	.pti-kd-teacher-media {
		height: 118px;
	}

	.pti-kd-teacher h3 {
		font-size: 17px;
	}

	.pti-kd-sidebar {
		grid-template-columns: 1fr;
	}

	.pti-kd-payment {
		grid-column: auto;
	}

	.pti-kd-download {
		align-items: stretch;
		flex-direction: column;
	}

	.pti-kd-download a {
		text-align: center;
	}

	.pti-kd-fields {
		grid-template-columns: 1fr;
		gap: 0;
	}

	.pti-kd-related {
		margin-top: 29px;
	}

	.pti-kd-related-grid {
		grid-template-columns: 1fr;
	}

	.pti-kd-related-media {
		height: 190px;
	}

	.pti-kd-related-body h3, .pti-kd-related-body p {
		min-height: 0;
	}

	.pti-kd-mobile-cta {
		position: fixed;
		display: flex;
		justify-content: space-between;
		align-items: center;
		gap: 13px;
		bottom: 0;
		left: 0;
		right: 0;
		z-index: 60;
		padding: 10px max(14px, env(safe-area-inset-right)) calc(10px + env(safe-area-inset-bottom)) max(14px, env(safe-area-inset-left));
		border-top: 1px solid #e6ebf4;
		background: rgba(255, 255, 255, .97);
		box-shadow: 0 -9px 26px rgba(16, 54, 104, .11);
	}

	.pti-kd-mobile-cta>div {
		display: flex;
		flex-direction: column;
		min-width: 0;
		line-height: 1.3;
	}

	.pti-kd-mobile-cta span {
		font-size: 11px;
		color: #697a92;
	}

	.pti-kd-mobile-cta strong {
		color: var(--pti-blue);
		font-size: 17px;
	}

	.pti-kd-mobile-cta>a {
		border-radius: 9px;
		background: linear-gradient(100deg, #91aaff, #2e6dff);
		color: white !important;
		font-weight: 700;
		padding: 11px 18px;
		text-align: center;
		white-space: nowrap;
	}
}

@media(prefers-reduced-motion:reduce) {
	.pti-kd *, .pti-kd *::before, .pti-kd *::after {
		transition: none !important;
		scroll-behavior: auto !important;
	}
}

/* ==========================================================================
* PTI single khóa học — khóa style trước CSS mặc định của Flatsome (14.10.2026)
* Phạm vi: chỉ <main class="pti-khoahoc-single-page">, KHÔNG ảnh hưởng form/nút khác.
* ========================================================================= */

/* Ô nhập: Flatsome đặt kiểu riêng theo type=email/tel/text, gây ra ô vuông,
shadow chìm và độ cao không đồng nhất. Chỉ reset ô có thể nhập ở form PTI. */
.pti-khoahoc-single-page .pti-kd .pti-kd-form .pti-kd-fields>label {
	display: block;
	min-width: 0;
	width: 100%;
	float: none;
	margin: 0 0 13px;
	padding: 0;
	color: #415a78;
	line-height: 1.5;
	text-transform: none;
	letter-spacing: normal;
}

.pti-khoahoc-single-page .pti-kd .pti-kd-form .pti-kd-fields>label>input,
.pti-khoahoc-single-page .pti-kd .pti-kd-form>label>select {
	-webkit-appearance: none !important;
	appearance: none !important;
	display: block !important;
	float: none !important;
	box-sizing: border-box !important;
	width: 100% !important;
	max-width: 100% !important;
	min-width: 0 !important;
	height: 45px !important;
	min-height: 45px !important;
	margin: 7px 0 0 !important;
	padding: 10px 12px !important;
	background: #fff !important;
	border: 1px solid #dce4f0 !important;
	border-radius: 10px !important;
	box-shadow: none !important;
	color: #304a67 !important;
	font: 400 13px/1.4 'Roboto', Arial, sans-serif !important;
	letter-spacing: normal !important;
	text-indent: 0 !important;
	text-transform: none !important;
	transition: border-color .2s ease, box-shadow .2s ease;
}

.pti-khoahoc-single-page .pti-kd .pti-kd-form .pti-kd-fields>label>input:focus,
.pti-khoahoc-single-page .pti-kd .pti-kd-form>label>select:focus {
	outline: 0 !important;
	border-color: #2b6cff !important;
	box-shadow: 0 0 0 3px rgba(43, 108, 255, .15) !important;
}

.pti-khoahoc-single-page .pti-kd .pti-kd-form .pti-kd-fields>label>input::placeholder {
	color: #9aaec7 !important;
	opacity: 1;
}

.pti-khoahoc-single-page .pti-kd .pti-kd-form .pti-kd-fields>label>input:-webkit-autofill {
	-webkit-box-shadow: 0 0 0 100px #fff inset !important;
	-webkit-text-fill-color: #304a67 !important;
	caret-color: #304a67;
}

/* Form CTA: reset margin-right, line-height, text-transform, độ cao nút cha. */
.pti-khoahoc-single-page .pti-kd .pti-kd-form button[type="submit"] {
	-webkit-appearance: none !important;
	appearance: none !important;
	display: inline-flex !important;
	align-items: center !important;
	justify-content: center !important;
	gap: 10px !important;
	float: none !important;
	width: 100% !important;
	max-width: 100% !important;
	height: auto !important;
	min-height: 48px !important;
	margin: 0 !important;
	padding: 12px 16px !important;
	border: 0 !important;
	border-radius: 10px !important;
	background: linear-gradient(110deg, #8ba6ff 0%, #2b6cff 100%) !important;
	box-shadow: 0 7px 18px rgba(46, 110, 246, .17) !important;
	color: #fff !important;
	font: 700 14px/1.4 'Roboto', Arial, sans-serif !important;
	letter-spacing: 0 !important;
	text-align: center !important;
	text-decoration: none !important;
	text-transform: none !important;
	text-shadow: none !important;
	cursor: pointer;
}

.pti-khoahoc-single-page .pti-kd .pti-kd-form button[type="submit"]:hover {
	background: linear-gradient(110deg, #7298fa, #155bf0) !important;
	box-shadow: 0 10px 22px rgba(46, 110, 246, .27) !important;
	transform: translateY(-2px);
}

.pti-khoahoc-single-page .pti-kd .pti-kd-form button[type="submit"]:focus-visible {
	outline: 3px solid #90b6ff !important;
	outline-offset: 3px;
}

/* Accordion: summary là tương tác native của <details>, không là button.
Vẽ icon +/- bằng CSS thay vì để font/symbol bị ảnh hưởng bởi theme. */
.pti-khoahoc-single-page .pti-kd details.pti-kd-module>summary {
	display: flex !important;
	align-items: center !important;
	width: 100%;
	min-height: 64px;
	margin: 0 !important;
	padding: 15px 16px !important;
	border: 0 !important;
	border-radius: 0 !important;
	background: #fafbff !important;
	box-shadow: none !important;
	color: #253f62 !important;
	text-decoration: none !important;
	text-transform: none !important;
	letter-spacing: normal !important;
	list-style: none !important;
	cursor: pointer;
}

.pti-khoahoc-single-page .pti-kd details.pti-kd-module>summary::-webkit-details-marker {
	display: none !important;
}

.pti-khoahoc-single-page .pti-kd details.pti-kd-module>summary::marker {
	content: '' !important;
}

/* Nhãn “BUỔI 1/2/3” không bị theme làm mất nền và bo góc. */
.pti-khoahoc-single-page .pti-kd details.pti-kd-module>summary>span:first-child {
	display: inline-flex !important;
	align-items: center;
	flex: 0 0 auto;
	width: auto !important;
	margin: 0 !important;
	padding: 7px 10px !important;
	background: #e8efff !important;
	border: 0 !important;
	border-radius: 9px !important;
	color: #104da6 !important;
	font: 700 11px/1.5 'Roboto', Arial, sans-serif !important;
	text-transform: none !important;
	letter-spacing: 0 !important;
}

.pti-khoahoc-single-page .pti-kd details.pti-kd-module>summary>strong {
	display: block;
	flex: 1 1 auto;
	min-width: 0;
	margin: 0;
	color: #253f62 !important;
	font: 700 14px/1.45 'Roboto', Arial, sans-serif !important;
	text-transform: none !important;
}

.pti-khoahoc-single-page .pti-kd details.pti-kd-module>summary>.pti-kd-module-toggle {
	position: relative;
	display: inline-flex !important;
	align-items: center;
	justify-content: center;
	flex: 0 0 29px;
	width: 29px !important;
	height: 29px !important;
	min-width: 29px !important;
	min-height: 29px !important;
	margin: 0 !important;
	padding: 0 !important;
	background: #fff !important;
	border: 1px solid #dbe6ff !important;
	border-radius: 50% !important;
	box-shadow: none !important;
	color: transparent !important;
	font-size: 0 !important;
	/* Ẩn ký tự +, dùng 2 nét CSS chuẩn */
	line-height: 0 !important;
	text-decoration: none !important;
	transform: none !important;
	transition: background .2s ease, border-color .2s ease;
}

.pti-khoahoc-single-page .pti-kd details.pti-kd-module>summary>.pti-kd-module-toggle::before,
.pti-khoahoc-single-page .pti-kd details.pti-kd-module>summary>.pti-kd-module-toggle::after {
	content: '';
	position: absolute;
	top: 50%;
	left: 50%;
	width: 12px;
	height: 2px;
	margin: -1px 0 0 -6px;
	border: 0;
	border-radius: 2px;
	background: #104da6;
	opacity: 1;
	transform: none;
	transition: opacity .2s ease;
}

.pti-khoahoc-single-page .pti-kd details.pti-kd-module>summary>.pti-kd-module-toggle::after {
	transform: rotate(90deg);
}

.pti-khoahoc-single-page .pti-kd details.pti-kd-module[open]>summary>.pti-kd-module-toggle::after {
	opacity: 0;
}

.pti-khoahoc-single-page .pti-kd details.pti-kd-module>summary:hover {
	background: #f1f5ff !important;
}

.pti-khoahoc-single-page .pti-kd details.pti-kd-module>summary:hover>.pti-kd-module-toggle {
	border-color: #9bb9ff !important;
	background: #ecf3ff !important;
}

/* Các button phụ trong single cũng không để margin/text-transform mặc định. */
.pti-khoahoc-single-page .pti-kd button.pti-kd-expand,
.pti-khoahoc-single-page .pti-kd button.pti-kd-copy {
	display: inline-flex !important;
	align-items: center;
	justify-content: center;
	width: auto !important;
	max-width: 100%;
	height: auto !important;
	min-height: 32px !important;
	margin: 0 !important;
	padding: 7px 12px !important;
	border: 0 !important;
	border-radius: 8px !important;
	background: #edf3ff !important;
	box-shadow: none !important;
	color: #104da6 !important;
	font: 700 12px/1.35 'Roboto', Arial, sans-serif !important;
	letter-spacing: 0 !important;
	text-transform: none !important;
	text-shadow: none !important;
}

.pti-khoahoc-single-page .pti-kd button.pti-kd-expand:hover,
.pti-khoahoc-single-page .pti-kd button.pti-kd-copy:hover {
	background: #dfeaff !important;
}

.pti-khoahoc-single-page .pti-kd button.pti-kd-copy {
	background: #fff !important;
}

.pti-khoahoc-single-page .pti-kd button.pti-kd-copy:hover {
	background: #e7efff !important;
}

@media (prefers-reduced-motion: reduce) {

	.pti-khoahoc-single-page .pti-kd .pti-kd-form button[type="submit"],
	.pti-khoahoc-single-page .pti-kd details.pti-kd-module>summary>.pti-kd-module-toggle {
		transition: none !important;
	}

	.pti-khoahoc-single-page .pti-kd .pti-kd-form button[type="submit"]:hover {
		transform: none !important;
	}
}


/* PTI KT2 - STICKY SIDEBAR single (14-10-2026) */
/* Stick cả cụm học phí + form + thanh toán (nếu có) trong cột phải.
Sticky tự dừng trước phần khóa học liên quan / footer vì bị giới hạn
bởi .pti-kd-layout. Cột trái và các trang khác không đổi.
Nếu header site có độ cao khác, thay 112px bên dưới. */
@media (min-width: 841px) and (min-height: 620px) {
	.pti-khoahoc-single-page .pti-kd {
		--pti-kd-sticky-top: 112px;
	}

	/* WP admin toolbar hiển thị khi đăng nhập */
	body.admin-bar .pti-khoahoc-single-page .pti-kd {
		--pti-kd-sticky-top: 144px;
	}

	.pti-khoahoc-single-page .pti-kd .pti-kd-layout>aside.pti-kd-sidebar {
		position: -webkit-sticky;
		position: sticky;
		top: var(--pti-kd-sticky-top);
		align-self: start;
		height: max-content;
		max-height: calc(100vh - var(--pti-kd-sticky-top) - 16px);
		max-height: calc(100dvh - var(--pti-kd-sticky-top) - 16px);
		overflow-x: hidden;
		overflow-y: auto;
		scrollbar-width: thin;
		scrollbar-color: #c8d7f0 transparent;
		/* Tạo chỗ cho viền/box-shadow và thanh cuộn ở cạnh phải */
		padding: 5px 7px 9px;
		margin: -5px -7px -9px;
		z-index: 2;
	}

	.pti-khoahoc-single-page .pti-kd .pti-kd-layout>aside.pti-kd-sidebar::-webkit-scrollbar {
		width: 5px;
	}

	.pti-khoahoc-single-page .pti-kd .pti-kd-layout>aside.pti-kd-sidebar::-webkit-scrollbar-thumb {
		background: #c8d7f0;
		border-radius: 10px;
	}

	.pti-khoahoc-single-page .pti-kd .pti-kd-layout>aside.pti-kd-sidebar::-webkit-scrollbar-track {
		background: transparent;
	}
}

/* Tablet/mobile: bỏ sticky, form xếp dưới nội dung, không có cuộn lồng */
@media (max-width: 840px), (max-height: 619px) {
	.pti-khoahoc-single-page .pti-kd .pti-kd-layout>aside.pti-kd-sidebar {
		position: static;
		top: auto;
		height: auto;
		max-height: none;
		overflow: visible;
		padding: 0;
		margin: 0;
		z-index: auto;
	}
}
/* Bảng lịch khai giảng — dùng màu và kiểu chữ của website. */
.pti-kd-timetable-wrap {width:100%;overflow-x:auto;border:1px solid var(--pti-line);border-radius:14px;}
.pti-kd .pti-kd-timetable {width:100%;min-width:650px;border-collapse:collapse;margin:0;font-size:14px;line-height:1.55;}
.pti-kd .pti-kd-timetable th,.pti-kd .pti-kd-timetable td {padding:15px 12px;border:1px solid var(--pti-line);text-align:center;vertical-align:middle;letter-spacing:normal;}
.pti-kd .pti-kd-timetable th {background:var(--primary-color,var(--pti-blue));color:#fff;font-size:12px;font-weight:700;text-transform:uppercase;}
.pti-kd .pti-kd-timetable td {color:var(--pti-ink);}
.pti-kd .pti-kd-timetable td:first-child {min-width:170px;font-weight:600;}
.pti-kd .pti-kd-timetable tbody tr:nth-child(4n+3) {background:#f6f8fc;}
.pti-kd .pti-kd-location-toggle {display:inline-flex;align-items:center;justify-content:center;min-width:50px;min-height:36px;margin:0;padding:6px 12px;border:0;border-radius:8px;background:var(--primary-color,var(--pti-blue));color:#fff;line-height:1.4;font-size:13px;font-weight:600;text-transform:none;letter-spacing:normal;cursor:pointer;}
.pti-kd .pti-kd-location-toggle:hover,.pti-kd .pti-kd-location-toggle[aria-expanded="true"] {background:var(--pti-deep);color:#fff;}
.pti-kd .pti-kd-location-row[hidden] {display:none!important;}
.pti-kd .pti-kd-location-row td {padding:16px 20px;background:#eef4ff;text-align:left;color:var(--primary-color,var(--pti-blue));font-weight:400;}
@media(max-width:549px) {.pti-kd .pti-kd-timetable th,.pti-kd .pti-kd-timetable td {padding:12px 9px;}}

/* Tất cả khóa học: hiển thị lịch khai giảng trước phần Tổng quan. */
body.single-khoahoc .pti-kd-main > #pti-kd-schedule {
    order: -1;
}
body.single-khoahoc .pti-kd-section-nav > a[href="#pti-kd-schedule"] {
    order: -1;
}