/*
 * Landing page: Khóa học quản lý chất lượng công trình
 * Toàn bộ selector được scope trong .vdt-qlcl-page để không ảnh hưởng style global.
 */

.vdt-qlcl-page {
  --qlcl-navy: #0b1f3a;
  --qlcl-navy-2: #123157;
  --qlcl-blue: #1e5bff;
  /* Chữ nhỏ dùng biến này: #1e5bff chỉ đạt ~4.4:1 trên nền sáng, chưa đạt AA. */
  --qlcl-blue-ink: #1442c8;
  --qlcl-cyan: #00b8d9;
  --qlcl-cyan-ink: #067287;
  --qlcl-gold: #f5b842;
  --qlcl-soft: #f5f8fc;
  --qlcl-ink: #172033;
  --qlcl-muted: #667085;
  --qlcl-line: #e4e7ec;
  --qlcl-success: #12b76a;
  --qlcl-warning: #f79009;
  --qlcl-radius: 16px;
  --qlcl-radius-lg: 22px;
  --qlcl-shadow: 0 20px 50px rgba(11, 31, 58, .10);
  --qlcl-shadow-sm: 0 8px 24px rgba(11, 31, 58, .07);
  --qlcl-font: var(--vdt-font-main);

  /*
   * .vdt-main-header của theme là sticky top:0 (z-index 4000). Mục lục nhanh phải
   * dính NGAY DƯỚI header đó. Giá trị dưới đây là fallback; JS của trang đo chiều
   * cao thật của header rồi ghi đè biến này (kể cả khi có admin bar).
   */
  --qlcl-header-h: 108px;
  --qlcl-toc-h: 58px;

  color: var(--qlcl-ink);
  background: #fff;
}

.vdt-qlcl-page .vdt-qlcl-main,
.vdt-qlcl-page .vdt-qlcl-sticky {
  font-family: var(--qlcl-font);
}

.vdt-qlcl-page .vdt-qlcl-main *,
.vdt-qlcl-page .vdt-qlcl-main *::before,
.vdt-qlcl-page .vdt-qlcl-main *::after {
  box-sizing: border-box;
}

/* Chặn tràn ngang trên mobile mà không cắt sticky TOC */
.vdt-qlcl-page .vdt-qlcl-main {
  overflow-x: clip;
}

.vdt-qlcl-page .vdt-qlcl-main img {
  max-width: 100%;
  height: auto;
}

/*
 * CHỈ áp cho <p> không có class. Trước đây là ".vdt-qlcl-main p" (0,2,1) nên thắng
 * mọi rule ".vdt-qlcl-page .vdt-qlcl-<tên>" (0,2,0) và ghi đè màu/cỡ chữ của chúng —
 * khiến chữ trên nền navy bị đổi sang màu ink tối và chìm hẳn.
 */
.vdt-qlcl-page .vdt-qlcl-main p:not([class]) {
  font-size: 16px;
  line-height: 1.7;
  color: var(--qlcl-ink);
}

.vdt-qlcl-page .vdt-qlcl-main a:focus-visible,
.vdt-qlcl-page .vdt-qlcl-main button:focus-visible,
.vdt-qlcl-page .vdt-qlcl-main summary:focus-visible,
.vdt-qlcl-page .vdt-qlcl-main input:focus-visible,
.vdt-qlcl-page .vdt-qlcl-main select:focus-visible,
.vdt-qlcl-page .vdt-qlcl-main textarea:focus-visible,
.vdt-qlcl-page .vdt-qlcl-sticky a:focus-visible {
  outline: 3px solid var(--qlcl-blue);
  outline-offset: 2px;
  border-radius: 8px;
}

.vdt-qlcl-page .vdt-qlcl-main [id],
.vdt-qlcl-page #dang-ky {
  scroll-margin-top: calc(var(--qlcl-header-h) + var(--qlcl-toc-h) + 16px);
}

/* ----------------------------------------------------------- Breadcrumb */

.vdt-qlcl-breadcrumb {
  background: #fff;
  border-bottom: 1px solid var(--qlcl-line);
}

.vdt-qlcl-breadcrumb .vdt-container {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 8px;
  min-height: 48px;
  font-size: 13.5px;
  color: var(--qlcl-muted);
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: none;
}

.vdt-qlcl-breadcrumb .vdt-container::-webkit-scrollbar {
  display: none;
}

.vdt-qlcl-breadcrumb a {
  color: var(--qlcl-blue-ink);
  text-decoration: none;
}

.vdt-qlcl-breadcrumb a:hover {
  text-decoration: underline;
}

.vdt-qlcl-breadcrumb [aria-current="page"] {
  color: var(--qlcl-ink);
  font-weight: 600;
}

/* ---------------------------------------------------------------- Hero */

.vdt-qlcl-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(44px, 6vw, 76px) 0 0;
  background:
    radial-gradient(120% 100% at 88% 6%, rgba(0, 184, 217, .30) 0%, rgba(0, 184, 217, 0) 55%),
    linear-gradient(135deg, #08172c 0%, var(--qlcl-navy) 42%, #10386b 100%);
  color: #fff;
}

.vdt-qlcl-hero__grid {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), transparent 78%);
}

.vdt-qlcl-hero__glow {
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}

.vdt-qlcl-hero__glow--a {
  width: 420px;
  height: 420px;
  top: -140px;
  right: -80px;
  background: rgba(0, 184, 217, .35);
}

.vdt-qlcl-hero__glow--b {
  width: 360px;
  height: 360px;
  bottom: -160px;
  left: -110px;
  background: rgba(30, 91, 255, .34);
}

.vdt-qlcl-hero__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}

.vdt-qlcl-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid rgba(0, 184, 217, .55);
  background: rgba(0, 184, 217, .14);
  color: #7ce6fb;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .03em;
  text-transform: uppercase;
}

.vdt-qlcl-badge::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--qlcl-cyan);
  box-shadow: 0 0 0 4px rgba(0, 184, 217, .25);
}

.vdt-qlcl-page .vdt-qlcl-hero h1 {
  margin: 18px 0 16px;
  font-size: clamp(38px, 5vw, 60px);
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: -.015em;
  color: #fff;
}

.vdt-qlcl-page .vdt-qlcl-hero .vdt-qlcl-hero__lead {
  margin: 0 0 22px;
  max-width: 62ch;
  font-size: 16.5px;
  line-height: 1.72;
  color: rgba(233, 241, 252, .92);
}

.vdt-qlcl-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
}

.vdt-qlcl-hero__tags li {
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .20);
  background: rgba(255, 255, 255, .07);
  font-size: 13.5px;
  font-weight: 500;
  color: #dbe7f7;
}

.vdt-qlcl-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}

.vdt-qlcl-page .vdt-qlcl-hero .vdt-qlcl-hero__note {
  margin: 0;
  font-size: 14.5px;
  color: rgba(219, 231, 247, .86);
}

.vdt-qlcl-hero__note a {
  color: var(--qlcl-gold);
  font-weight: 700;
  text-decoration: none;
}

.vdt-qlcl-hero__note a:hover {
  text-decoration: underline;
}

/*
 * Cột phải của hero xếp dọc: ảnh minh họa + card "Lịch khai giảng & thông tin
 * khóa học" do plugin VDT Training Manager render. Card giữ nguyên class
 * .vdt-pm-hero__panel.vdt-tm-hero-card để dùng lại style sẵn có của plugin
 * (assets/css/frontend.css) — ở đây chỉ căn chỉnh vị trí trong lưới.
 */
.vdt-qlcl-hero__media {
  display: grid;
  gap: 18px;
  justify-items: end;
  align-content: start;
}

.vdt-qlcl-hero__figure {
  width: min(100%, 560px);
  margin: 0;
  border-radius: var(--qlcl-radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .16);
  box-shadow: 0 30px 70px rgba(3, 12, 26, .45);
}

.vdt-qlcl-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.vdt-qlcl-page .vdt-qlcl-hero__media .vdt-pm-hero__panel.vdt-tm-hero-card {
  width: min(100%, 560px);
  margin: 0;
}

/* Quick info cards */

.vdt-qlcl-quick {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: clamp(44px, 5vw, 64px) 0 0;
  padding: 0 0 clamp(30px, 4vw, 44px);
  list-style: none;
}

.vdt-qlcl-quick__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  border-radius: var(--qlcl-radius);
  border: 1px solid rgba(255, 255, 255, .16);
  background: rgba(255, 255, 255, .08);
  backdrop-filter: blur(6px);
}

.vdt-qlcl-quick__label {
  font-size: 12.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: #8fd8ec;
}

.vdt-qlcl-page .vdt-qlcl-quick__value {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: #fff;
}

.vdt-qlcl-quick__value a {
  color: #fff;
  text-decoration: none;
}

.vdt-qlcl-quick__value a:hover {
  color: var(--qlcl-gold);
}

/* -------------------------------------------------------------- Buttons */

.vdt-qlcl-page .vdt-qlcl-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-family: inherit;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease, color .18s ease;
}

.vdt-qlcl-page .vdt-qlcl-btn:hover {
  transform: translateY(-2px);
}

.vdt-qlcl-page .vdt-qlcl-btn--primary {
  background: linear-gradient(135deg, var(--qlcl-blue) 0%, #1461cf 52%, #0a6f93 100%);
  color: #fff;
  box-shadow: 0 12px 28px rgba(30, 91, 255, .32);
}

.vdt-qlcl-page .vdt-qlcl-btn--primary:hover {
  box-shadow: 0 18px 36px rgba(30, 91, 255, .40);
}

.vdt-qlcl-page .vdt-qlcl-btn--ghost {
  background: rgba(255, 255, 255, .10);
  border-color: rgba(255, 255, 255, .34);
  color: #fff;
}

.vdt-qlcl-page .vdt-qlcl-btn--ghost:hover {
  background: rgba(255, 255, 255, .18);
}

.vdt-qlcl-page .vdt-qlcl-btn--zalo {
  background: #0068ff;
  color: #fff;
  box-shadow: 0 12px 26px rgba(0, 104, 255, .28);
}

.vdt-qlcl-page .vdt-qlcl-btn--outline {
  background: #fff;
  border-color: var(--qlcl-blue);
  color: var(--qlcl-blue);
}

.vdt-qlcl-page .vdt-qlcl-btn--outline:hover {
  background: #eff4ff;
}

.vdt-qlcl-page .vdt-qlcl-btn--gold {
  background: var(--qlcl-gold);
  color: #3b2600;
  box-shadow: 0 12px 26px rgba(245, 184, 66, .34);
}

.vdt-qlcl-page .vdt-qlcl-btn--light {
  background: rgba(255, 255, 255, .14);
  border-color: rgba(255, 255, 255, .40);
  color: #fff;
}

.vdt-qlcl-page .vdt-qlcl-btn--light:hover {
  background: rgba(255, 255, 255, .24);
}

.vdt-qlcl-page .vdt-qlcl-btn--block {
  display: flex;
  width: 100%;
}

/* ------------------------------------------------------------------ TOC */

.vdt-qlcl-toc {
  position: sticky;
  top: var(--qlcl-header-h);
  z-index: 30;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--qlcl-line);
  box-shadow: 0 6px 18px rgba(11, 31, 58, .05);
}

.vdt-qlcl-toc__inner {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 58px;
}

.vdt-qlcl-toc__title {
  flex: none;
  font-size: 12.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--qlcl-muted);
}

.vdt-qlcl-toc__list {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 8px 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.vdt-qlcl-toc__list::-webkit-scrollbar {
  height: 3px;
}

.vdt-qlcl-toc__list::-webkit-scrollbar-thumb {
  background: var(--qlcl-line);
  border-radius: 3px;
}

.vdt-qlcl-toc__list a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid var(--qlcl-line);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: var(--qlcl-ink);
  text-decoration: none;
  white-space: nowrap;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}

.vdt-qlcl-toc__list a:hover {
  border-color: var(--qlcl-blue-ink);
  color: var(--qlcl-blue-ink);
}

.vdt-qlcl-toc__list a.is-active {
  background: var(--qlcl-navy);
  border-color: var(--qlcl-navy);
  color: #fff;
}

/* -------------------------------------------------------------- Sections */

.vdt-qlcl-section {
  padding: clamp(52px, 6vw, 88px) 0;
  background: #fff;
}

.vdt-qlcl-section--soft {
  background: var(--qlcl-soft);
}

.vdt-qlcl-section--navy {
  background:
    radial-gradient(90% 80% at 12% 0%, rgba(0, 184, 217, .18) 0%, rgba(0, 184, 217, 0) 60%),
    linear-gradient(160deg, var(--qlcl-navy) 0%, #0a2748 100%);
  color: #fff;
}

.vdt-qlcl-heading {
  max-width: 780px;
  margin: 0 0 clamp(28px, 3.5vw, 44px);
}

.vdt-qlcl-label {
  display: inline-block;
  margin-bottom: 12px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(30, 91, 255, .10);
  color: var(--qlcl-blue-ink);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.vdt-qlcl-page .vdt-qlcl-heading h2 {
  margin: 0 0 14px;
  font-size: clamp(28px, 3.2vw, 42px);
  line-height: 1.18;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--qlcl-navy);
}

.vdt-qlcl-page .vdt-qlcl-heading p {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.72;
  color: var(--qlcl-muted);
}

.vdt-qlcl-heading a {
  color: var(--qlcl-blue-ink);
}

.vdt-qlcl-heading--light .vdt-qlcl-label {
  background: rgba(0, 184, 217, .18);
  color: #7ce6fb;
}

.vdt-qlcl-page .vdt-qlcl-heading--light h2 {
  color: #fff;
}

.vdt-qlcl-page .vdt-qlcl-heading--light p {
  color: rgba(219, 231, 247, .88);
}

/* ------------------------------------------------------------ Tổng quan */

.vdt-qlcl-intro {
  max-width: 900px;
  margin: 0 0 clamp(30px, 4vw, 46px);
}

.vdt-qlcl-page .vdt-qlcl-intro p {
  margin: 0 0 16px;
}

.vdt-qlcl-page .vdt-qlcl-intro__lead {
  padding-left: 20px;
  border-left: 4px solid var(--qlcl-cyan);
  font-size: 17px;
  font-weight: 500;
  color: var(--qlcl-navy);
}

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

.vdt-qlcl-reason {
  padding: 26px 22px;
  border: 1px solid var(--qlcl-line);
  border-radius: var(--qlcl-radius);
  background: #fff;
  box-shadow: var(--qlcl-shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.vdt-qlcl-reason:hover {
  transform: translateY(-4px);
  border-color: rgba(30, 91, 255, .35);
  box-shadow: var(--qlcl-shadow);
}

.vdt-qlcl-reason__icon {
  display: block;
  width: 46px;
  height: 46px;
  margin-bottom: 16px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(30, 91, 255, .14), rgba(0, 184, 217, .18));
  background-repeat: no-repeat;
  background-position: center;
  background-size: 24px 24px;
}

.vdt-qlcl-reason__icon--shield {
  background-image:
    linear-gradient(135deg, rgba(30, 91, 255, .14), rgba(0, 184, 217, .18)),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231e5bff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3l7 3v6c0 4.5-3 8-7 9-4-1-7-4.5-7-9V6z'/%3E%3Cpath d='M9 12l2 2 4-4'/%3E%3C/svg%3E");
}

.vdt-qlcl-reason__icon--users {
  background-image:
    linear-gradient(135deg, rgba(30, 91, 255, .14), rgba(0, 184, 217, .18)),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231e5bff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M16 20v-2a4 4 0 0 0-4-4H6a4 4 0 0 0-4 4v2'/%3E%3Ccircle cx='9' cy='7' r='3'/%3E%3Cpath d='M22 20v-2a4 4 0 0 0-3-3.87'/%3E%3Cpath d='M16 4.13a4 4 0 0 1 0 7.75'/%3E%3C/svg%3E");
}

.vdt-qlcl-reason__icon--clipboard {
  background-image:
    linear-gradient(135deg, rgba(30, 91, 255, .14), rgba(0, 184, 217, .18)),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231e5bff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='5' y='4' width='14' height='17' rx='2'/%3E%3Cpath d='M9 4V3h6v1'/%3E%3Cpath d='M9 10h6M9 14h6M9 18h3'/%3E%3C/svg%3E");
}

.vdt-qlcl-reason__icon--chart {
  background-image:
    linear-gradient(135deg, rgba(30, 91, 255, .14), rgba(0, 184, 217, .18)),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231e5bff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 20V10M10 20V4M16 20v-7M22 20H2'/%3E%3C/svg%3E");
}

.vdt-qlcl-page .vdt-qlcl-reason h3 {
  margin: 0 0 10px;
  font-size: 20px;
  line-height: 1.32;
  font-weight: 700;
  color: var(--qlcl-navy);
}

.vdt-qlcl-page .vdt-qlcl-reason p {
  margin: 0;
  font-size: 15.5px;
  color: var(--qlcl-muted);
}

.vdt-qlcl-figure {
  margin: clamp(32px, 4vw, 48px) 0 0;
  border-radius: var(--qlcl-radius-lg);
  overflow: hidden;
  box-shadow: var(--qlcl-shadow);
}

.vdt-qlcl-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

.vdt-qlcl-figure--wide img {
  aspect-ratio: 16 / 6;
}

.vdt-qlcl-figure--inline {
  margin: 22px 0;
}

.vdt-qlcl-figure--inline img {
  aspect-ratio: 16 / 8;
}

.vdt-qlcl-figure figcaption {
  padding: 12px 18px;
  background: var(--qlcl-soft);
  font-size: 14px;
  color: var(--qlcl-muted);
  text-align: center;
}

.vdt-qlcl-section--navy .vdt-qlcl-figure figcaption {
  background: rgba(255, 255, 255, .08);
  color: rgba(219, 231, 247, .9);
}

/* ------------------------------------------------------------ Đối tượng */

.vdt-qlcl-audience {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.vdt-qlcl-audience__item {
  position: relative;
  padding: 26px 24px 26px 26px;
  border: 1px solid var(--qlcl-line);
  border-radius: var(--qlcl-radius);
  background: #fff;
  overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease;
}

.vdt-qlcl-audience__item::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--qlcl-blue), var(--qlcl-cyan));
}

.vdt-qlcl-audience__item:hover {
  transform: translateY(-4px);
  box-shadow: var(--qlcl-shadow);
}

.vdt-qlcl-page .vdt-qlcl-audience__item h3 {
  margin: 0 0 10px;
  font-size: 20px;
  line-height: 1.34;
  font-weight: 700;
  color: var(--qlcl-navy);
}

.vdt-qlcl-page .vdt-qlcl-audience__item p {
  margin: 0;
  font-size: 15.5px;
  color: var(--qlcl-muted);
}

/* ------------------------------------------------------------ Lợi ích */

.vdt-qlcl-benefits {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.vdt-qlcl-benefit {
  position: relative;
  padding: 28px 24px;
  border: 1px solid var(--qlcl-line);
  border-radius: var(--qlcl-radius);
  background: linear-gradient(180deg, #fff 0%, #fbfdff 100%);
  box-shadow: var(--qlcl-shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease;
}

.vdt-qlcl-benefit:hover {
  transform: translateY(-4px);
  box-shadow: var(--qlcl-shadow);
}

.vdt-qlcl-benefit__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 16px;
  border-radius: 12px;
  background: var(--qlcl-navy);
  color: var(--qlcl-gold);
  font-size: 16px;
  font-weight: 700;
}

.vdt-qlcl-page .vdt-qlcl-benefit h3 {
  margin: 0 0 10px;
  font-size: 20px;
  line-height: 1.34;
  font-weight: 700;
  color: var(--qlcl-navy);
}

.vdt-qlcl-page .vdt-qlcl-benefit p {
  margin: 0;
  font-size: 15.5px;
  color: var(--qlcl-muted);
}

/* --------------------------------------------------------- Chương trình */

.vdt-qlcl-modules {
  display: grid;
  gap: 12px;
}

.vdt-qlcl-module {
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: var(--qlcl-radius);
  background: rgba(255, 255, 255, .06);
  overflow: hidden;
  transition: border-color .2s ease, background-color .2s ease;
}

.vdt-qlcl-module[open] {
  border-color: rgba(0, 184, 217, .55);
  background: rgba(255, 255, 255, .10);
}

.vdt-qlcl-module > summary {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 68px;
  padding: 16px 22px;
  cursor: pointer;
  list-style: none;
}

.vdt-qlcl-module > summary::-webkit-details-marker {
  display: none;
}

.vdt-qlcl-module__num {
  flex: none;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(0, 184, 217, .20);
  color: #7ce6fb;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  white-space: nowrap;
}

.vdt-qlcl-page .vdt-qlcl-module__title {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 18px;
  line-height: 1.42;
  font-weight: 700;
  color: #fff;
}

.vdt-qlcl-module__mark {
  position: relative;
  flex: none;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .35);
}

.vdt-qlcl-module__mark::before,
.vdt-qlcl-module__mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 13px;
  height: 2px;
  border-radius: 2px;
  background: #fff;
  transform: translate(-50%, -50%);
  transition: transform .2s ease, opacity .2s ease;
}

.vdt-qlcl-module__mark::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.vdt-qlcl-module[open] .vdt-qlcl-module__mark::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(0deg);
}

.vdt-qlcl-module__list {
  margin: 0;
  padding: 0 22px 22px 62px;
  list-style: none;
}

.vdt-qlcl-module__list li {
  position: relative;
  padding: 7px 0 7px 22px;
  font-size: 15.5px;
  line-height: 1.66;
  color: rgba(226, 236, 249, .92);
}

.vdt-qlcl-module__list li::before {
  content: "";
  position: absolute;
  top: 16px;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--qlcl-gold);
}

/* ------------------------------------------------------ Thông tin khóa học */

.vdt-qlcl-info {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr);
  gap: 24px;
  align-items: start;
}

.vdt-qlcl-info__table {
  border: 1px solid var(--qlcl-line);
  border-radius: var(--qlcl-radius);
  background: #fff;
  overflow: hidden;
  box-shadow: var(--qlcl-shadow-sm);
}

.vdt-qlcl-info__table dl {
  margin: 0;
}

.vdt-qlcl-info__row {
  display: grid;
  grid-template-columns: minmax(160px, 34%) minmax(0, 1fr);
  gap: 16px;
  padding: 16px 22px;
  border-bottom: 1px solid var(--qlcl-line);
}

.vdt-qlcl-info__row:last-child {
  border-bottom: 0;
}

.vdt-qlcl-info__row:nth-child(even) {
  background: #fafcff;
}

.vdt-qlcl-info__row--highlight {
  background: rgba(30, 91, 255, .06) !important;
}

.vdt-qlcl-info__row dt {
  margin: 0;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--qlcl-muted);
}

.vdt-qlcl-info__row dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--qlcl-ink);
}

.vdt-qlcl-page .vdt-qlcl-info__row--highlight dd strong {
  font-size: 20px;
  color: var(--qlcl-blue);
}

.vdt-qlcl-info__row a {
  color: var(--qlcl-blue-ink);
  font-weight: 700;
}

.vdt-qlcl-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(18, 183, 106, .12);
  color: #05603a;
  font-size: 14px;
  font-weight: 700;
}

.vdt-qlcl-status::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--qlcl-success);
}

.vdt-qlcl-page .vdt-qlcl-info__source {
  margin: 0;
  padding: 14px 22px 18px;
  border-top: 1px dashed var(--qlcl-line);
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--qlcl-muted);
}

.vdt-qlcl-info__card {
  position: sticky;
  top: calc(var(--qlcl-header-h) + var(--qlcl-toc-h) + 16px);
  padding: 26px 24px;
  border-radius: var(--qlcl-radius-lg);
  background: linear-gradient(160deg, var(--qlcl-navy) 0%, #133866 100%);
  color: #fff;
  box-shadow: 0 24px 54px rgba(11, 31, 58, .28);
}

.vdt-qlcl-info__eyebrow {
  display: block;
  margin-bottom: 6px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: #8fd8ec;
}

.vdt-qlcl-page .vdt-qlcl-info__fee {
  display: block;
  font-size: 32px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--qlcl-gold);
}

.vdt-qlcl-info__unit {
  display: block;
  margin-bottom: 18px;
  font-size: 14px;
  color: rgba(219, 231, 247, .82);
}

.vdt-qlcl-info__list {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.vdt-qlcl-info__list li {
  position: relative;
  padding: 7px 0 7px 26px;
  font-size: 15px;
  line-height: 1.6;
  color: rgba(226, 236, 249, .94);
}

.vdt-qlcl-info__list li::before {
  content: "";
  position: absolute;
  top: 13px;
  left: 0;
  width: 15px;
  height: 9px;
  border-left: 2px solid var(--qlcl-cyan);
  border-bottom: 2px solid var(--qlcl-cyan);
  transform: rotate(-45deg);
}

.vdt-qlcl-page .vdt-qlcl-info__card .vdt-qlcl-btn + .vdt-qlcl-btn {
  margin-top: 10px;
}

.vdt-qlcl-page .vdt-qlcl-info__hint {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: rgba(219, 231, 247, .78);
}

/* ----------------------------------------------------------- Chứng nhận */

.vdt-qlcl-cert {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  gap: clamp(24px, 3vw, 44px);
  align-items: center;
}

.vdt-qlcl-page .vdt-qlcl-cert__copy p {
  margin: 0 0 16px;
}

.vdt-qlcl-callout {
  margin: 22px 0;
  padding: 20px 22px;
  border-radius: var(--qlcl-radius);
  border: 1px solid rgba(247, 144, 9, .35);
  border-left: 5px solid var(--qlcl-warning);
  background: #fff8ed;
}

.vdt-qlcl-page .vdt-qlcl-callout strong {
  display: block;
  margin-bottom: 8px;
  font-size: 15px;
  font-weight: 700;
  color: #8a4c00;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.vdt-qlcl-page .vdt-qlcl-callout p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.7;
  color: #5c3800;
}

.vdt-qlcl-page .vdt-qlcl-cert__link {
  margin: 0;
  font-size: 15.5px;
}

.vdt-qlcl-cert__link a {
  color: var(--qlcl-blue-ink);
  font-weight: 700;
}

.vdt-qlcl-cert__media {
  margin: 0;
  border-radius: var(--qlcl-radius-lg);
  overflow: hidden;
  box-shadow: var(--qlcl-shadow);
}

.vdt-qlcl-cert__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* -------------------------------------------------------------- Quy trình */

.vdt-qlcl-steps {
  counter-reset: qlcl-step;
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.vdt-qlcl-step {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 22px 24px;
  border: 1px solid var(--qlcl-line);
  border-radius: var(--qlcl-radius);
  background: #fff;
  transition: transform .2s ease, box-shadow .2s ease;
}

.vdt-qlcl-step:hover {
  transform: translateY(-3px);
  box-shadow: var(--qlcl-shadow);
}

.vdt-qlcl-step__num {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--qlcl-blue), #0a6f93);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
}

.vdt-qlcl-page .vdt-qlcl-step h3 {
  margin: 0 0 6px;
  font-size: 19px;
  line-height: 1.36;
  font-weight: 700;
  color: var(--qlcl-navy);
}

.vdt-qlcl-page .vdt-qlcl-step p {
  margin: 0;
  font-size: 15.5px;
  color: var(--qlcl-muted);
}

/* --------------------------------------------------- Đào tạo tại đơn vị */

.vdt-qlcl-onsite {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(24px, 3vw, 40px);
  align-items: start;
}

.vdt-qlcl-page .vdt-qlcl-onsite__copy p {
  margin: 0 0 16px;
}

.vdt-qlcl-onsite__list {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.vdt-qlcl-onsite__list li {
  position: relative;
  padding: 8px 0 8px 28px;
  font-size: 15.5px;
  line-height: 1.66;
  color: var(--qlcl-ink);
}

.vdt-qlcl-onsite__list li::before {
  content: "";
  position: absolute;
  top: 15px;
  left: 0;
  width: 15px;
  height: 9px;
  border-left: 2px solid var(--qlcl-success);
  border-bottom: 2px solid var(--qlcl-success);
  transform: rotate(-45deg);
}

.vdt-qlcl-page .vdt-qlcl-onsite__more {
  margin: 0;
  font-size: 15px;
  color: var(--qlcl-muted);
}

.vdt-qlcl-onsite__more a {
  color: var(--qlcl-blue-ink);
  font-weight: 700;
}

.vdt-qlcl-onsite__form {
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid var(--qlcl-line);
  border-radius: var(--qlcl-radius-lg);
  background: #fff;
  box-shadow: var(--qlcl-shadow);
}

.vdt-qlcl-page .vdt-qlcl-onsite__form h3 {
  margin: 0 0 18px;
  font-size: 22px;
  line-height: 1.32;
  font-weight: 700;
  color: var(--qlcl-navy);
}

/* ------------------------------------------------------------------ Form */

.vdt-qlcl-form__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.vdt-qlcl-page .vdt-qlcl-form label {
  display: flex;
  flex-direction: column;
  gap: 7px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--qlcl-ink);
}

.vdt-qlcl-form__full {
  margin-top: 14px;
}

.vdt-qlcl-page .vdt-qlcl-form input[type="text"],
.vdt-qlcl-page .vdt-qlcl-form input[type="tel"],
.vdt-qlcl-page .vdt-qlcl-form input[type="email"],
.vdt-qlcl-page .vdt-qlcl-form input[type="number"],
.vdt-qlcl-page .vdt-qlcl-form input:not([type]),
.vdt-qlcl-page .vdt-qlcl-form select,
.vdt-qlcl-page .vdt-qlcl-form textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid var(--qlcl-line);
  border-radius: 10px;
  background: #fff;
  font-family: inherit;
  font-size: 15.5px;
  font-weight: 400;
  color: var(--qlcl-ink);
  transition: border-color .18s ease, box-shadow .18s ease;
}

.vdt-qlcl-page .vdt-qlcl-form textarea {
  min-height: 110px;
  resize: vertical;
}

.vdt-qlcl-page .vdt-qlcl-form input:focus,
.vdt-qlcl-page .vdt-qlcl-form select:focus,
.vdt-qlcl-page .vdt-qlcl-form textarea:focus {
  border-color: var(--qlcl-blue);
  box-shadow: 0 0 0 4px rgba(30, 91, 255, .12);
  outline: none;
}

.vdt-qlcl-page .vdt-qlcl-form input:user-invalid,
.vdt-qlcl-page .vdt-qlcl-form select:user-invalid,
.vdt-qlcl-page .vdt-qlcl-form textarea:user-invalid {
  border-color: #d92d20;
}

.vdt-qlcl-req {
  color: #d92d20;
}

.vdt-qlcl-page .vdt-qlcl-form__check {
  flex-direction: row !important;
  align-items: flex-start;
  gap: 10px;
  margin: 16px 0 18px;
  font-size: 14.5px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--qlcl-muted);
}

.vdt-qlcl-page .vdt-qlcl-form__check input[type="checkbox"] {
  flex: none;
  width: 20px;
  height: 20px;
  min-height: 0;
  margin-top: 2px;
  accent-color: var(--qlcl-blue);
}

.vdt-qlcl-form__check a {
  color: var(--qlcl-blue-ink);
  font-weight: 600;
}

.vdt-qlcl-page .vdt-qlcl-form__note {
  margin: 12px 0 0;
  font-size: 13.5px;
  color: var(--qlcl-muted);
  text-align: center;
}

/* ------------------------------------------------------------ Giảng viên */

.vdt-qlcl-lecturer {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
  gap: 24px;
  align-items: start;
}

.vdt-qlcl-lecturer__card {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 24px;
  padding: 26px;
  border: 1px solid var(--qlcl-line);
  border-radius: var(--qlcl-radius-lg);
  background: #fff;
  box-shadow: var(--qlcl-shadow-sm);
}

.vdt-qlcl-lecturer__photo {
  margin: 0;
  border-radius: var(--qlcl-radius);
  overflow: hidden;
  background: var(--qlcl-soft);
}

.vdt-qlcl-lecturer__photo img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: center top;
}

.vdt-qlcl-lecturer__eyebrow {
  display: inline-block;
  margin-bottom: 8px;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(0, 184, 217, .12);
  color: var(--qlcl-cyan-ink);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.vdt-qlcl-page .vdt-qlcl-lecturer__body h3 {
  margin: 0 0 4px;
  font-size: 24px;
  line-height: 1.28;
  font-weight: 700;
  color: var(--qlcl-navy);
}

.vdt-qlcl-page .vdt-qlcl-lecturer__role {
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 600;
  color: var(--qlcl-cyan-ink);
}

.vdt-qlcl-lecturer__points {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.vdt-qlcl-lecturer__points li {
  position: relative;
  padding: 6px 0 6px 20px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--qlcl-muted);
}

.vdt-qlcl-lecturer__points li::before {
  content: "";
  position: absolute;
  top: 15px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--qlcl-blue);
}

.vdt-qlcl-lecturer__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--qlcl-blue-ink);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
}

.vdt-qlcl-lecturer__link:hover {
  text-decoration: underline;
}

.vdt-qlcl-lecturer__capacity {
  padding: 26px 24px;
  border-radius: var(--qlcl-radius-lg);
  background: linear-gradient(160deg, #0e2a4e 0%, #133b6c 100%);
  color: #fff;
}

.vdt-qlcl-page .vdt-qlcl-lecturer__capacity h3 {
  margin: 0 0 18px;
  font-size: 21px;
  font-weight: 700;
  color: #fff;
}

.vdt-qlcl-lecturer__capacity-list {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.vdt-qlcl-lecturer__capacity-list li {
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .14);
}

.vdt-qlcl-lecturer__capacity-list li:last-child {
  border-bottom: 0;
}

.vdt-qlcl-page .vdt-qlcl-lecturer__capacity-list strong {
  display: block;
  font-size: 24px;
  font-weight: 700;
  color: var(--qlcl-gold);
}

.vdt-qlcl-lecturer__capacity-list span {
  font-size: 14.5px;
  line-height: 1.6;
  color: rgba(219, 231, 247, .88);
}

.vdt-qlcl-page .vdt-qlcl-lecturer__capacity-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: rgba(219, 231, 247, .74);
}

/* --------------------------------------------------------------- Gallery */

.vdt-qlcl-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.vdt-qlcl-gallery__item {
  margin: 0;
  border-radius: var(--qlcl-radius);
  overflow: hidden;
  box-shadow: var(--qlcl-shadow-sm);
  transition: transform .22s ease, box-shadow .22s ease;
}

.vdt-qlcl-gallery__item:hover {
  transform: translateY(-4px);
  box-shadow: var(--qlcl-shadow);
}

.vdt-qlcl-gallery__item img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.vdt-qlcl-page .vdt-qlcl-gallery__caption {
  margin: 18px 0 0;
  font-size: 14.5px;
  color: var(--qlcl-muted);
  text-align: center;
}

/* ------------------------------------------------------- Khóa học liên quan */

.vdt-qlcl-related {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.vdt-qlcl-related__item > .vdt-tm-course-cta,
.vdt-qlcl-related__fallback {
  height: 100%;
  margin: 0;
  padding: 26px 24px;
  border: 1px solid var(--qlcl-line);
  border-radius: var(--qlcl-radius);
  background: #fff;
  box-shadow: var(--qlcl-shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease;
}

.vdt-qlcl-related__item > .vdt-tm-course-cta:hover,
.vdt-qlcl-related__fallback:hover {
  transform: translateY(-4px);
  box-shadow: var(--qlcl-shadow);
}

.vdt-qlcl-page .vdt-qlcl-related__fallback h3,
.vdt-qlcl-page .vdt-qlcl-related__item .vdt-tm-course-cta h3 {
  margin: 8px 0 12px;
  font-size: 21px;
  line-height: 1.32;
  font-weight: 700;
  color: var(--qlcl-navy);
}

.vdt-qlcl-related__fallback h3 a {
  color: inherit;
  text-decoration: none;
}

.vdt-qlcl-related__fallback h3 a:hover {
  color: var(--qlcl-blue-ink);
}

.vdt-qlcl-page .vdt-qlcl-related__fallback p {
  margin: 0 0 16px;
  font-size: 15.5px;
  color: var(--qlcl-muted);
}

.vdt-qlcl-related__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--qlcl-blue-ink);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
}

.vdt-qlcl-related__link:hover {
  text-decoration: underline;
}

/* -------------------------------------------------------------------- FAQ */

.vdt-qlcl-faq {
  display: grid;
  gap: 12px;
  max-width: 940px;
}

.vdt-qlcl-faq__item {
  border: 1px solid var(--qlcl-line);
  border-radius: var(--qlcl-radius);
  background: #fff;
  overflow: hidden;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.vdt-qlcl-faq__item[open] {
  border-color: rgba(30, 91, 255, .38);
  box-shadow: var(--qlcl-shadow-sm);
}

.vdt-qlcl-page .vdt-qlcl-faq__item > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 62px;
  padding: 15px 22px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--qlcl-navy);
  cursor: pointer;
  list-style: none;
}

.vdt-qlcl-faq__item > summary::-webkit-details-marker {
  display: none;
}

.vdt-qlcl-faq__mark {
  position: relative;
  flex: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(30, 91, 255, .10);
}

.vdt-qlcl-faq__mark::before,
.vdt-qlcl-faq__mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 2px;
  border-radius: 2px;
  background: var(--qlcl-blue);
  transform: translate(-50%, -50%);
  transition: transform .2s ease, opacity .2s ease;
}

.vdt-qlcl-faq__mark::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.vdt-qlcl-faq__item[open] .vdt-qlcl-faq__mark::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(0deg);
}

.vdt-qlcl-faq__answer {
  padding: 0 22px 20px;
  border-top: 1px solid var(--qlcl-line);
  padding-top: 16px;
}

.vdt-qlcl-page .vdt-qlcl-faq__answer p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--qlcl-muted);
}

/* ---------------------------------------------------------- Form đăng ký */

.vdt-qlcl-section--form {
  background:
    radial-gradient(80% 70% at 90% 10%, rgba(0, 184, 217, .10) 0%, rgba(0, 184, 217, 0) 60%),
    var(--qlcl-soft);
}

.vdt-qlcl-register {
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  gap: clamp(24px, 3vw, 44px);
  align-items: start;
}

.vdt-qlcl-page .vdt-qlcl-register__copy h2 {
  margin: 0 0 14px;
  font-size: clamp(28px, 3.2vw, 40px);
  line-height: 1.18;
  font-weight: 700;
  color: var(--qlcl-navy);
}

.vdt-qlcl-page .vdt-qlcl-register__copy p {
  margin: 0 0 22px;
  color: var(--qlcl-muted);
}

.vdt-qlcl-register__meta {
  margin: 0 0 20px;
  padding: 20px 22px;
  border: 1px solid var(--qlcl-line);
  border-radius: var(--qlcl-radius);
  background: #fff;
  list-style: none;
}

.vdt-qlcl-register__meta li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--qlcl-line);
}

.vdt-qlcl-register__meta li:last-child {
  border-bottom: 0;
}

.vdt-qlcl-register__meta span {
  flex: none;
  font-size: 14px;
  font-weight: 600;
  color: var(--qlcl-muted);
}

.vdt-qlcl-page .vdt-qlcl-register__meta strong {
  font-size: 15px;
  font-weight: 700;
  color: var(--qlcl-navy);
  text-align: right;
}

.vdt-qlcl-page .vdt-qlcl-register__hotline {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--qlcl-muted);
}

.vdt-qlcl-register__hotline a {
  color: var(--qlcl-blue-ink);
  font-weight: 700;
}

.vdt-qlcl-page .vdt-qlcl-register__links {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--qlcl-muted);
}

.vdt-qlcl-register__links a {
  color: var(--qlcl-blue-ink);
  font-weight: 600;
}

.vdt-qlcl-register__form {
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--qlcl-line);
  border-radius: var(--qlcl-radius-lg);
  background: #fff;
  box-shadow: var(--qlcl-shadow);
}

/* Form đăng ký dùng chung (.vdt-form) — chỉ chỉnh trong scope trang này. */
.vdt-qlcl-page .vdt-qlcl-register__form .vdt-form__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.vdt-qlcl-page .vdt-qlcl-register__form .vdt-form__full {
  grid-column: 1 / -1;
}

.vdt-qlcl-page .vdt-qlcl-register__form .vdt-form label {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-bottom: 14px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--qlcl-ink);
}

.vdt-qlcl-page .vdt-qlcl-register__form .vdt-form__grid > label {
  margin-bottom: 0;
}

/*
 * display:flex ở trên có specificity cao hơn quy tắc UA "[hidden]{display:none}",
 * nên phải trả lại display:none cho các field ẩn (ví dụ ô "Tên khóa học / nhu cầu"
 * chỉ hiện khi chọn "Khác / Cần tư vấn thêm").
 */
.vdt-qlcl-page .vdt-qlcl-register__form .vdt-form label[hidden],
.vdt-qlcl-page .vdt-qlcl-register__form .vdt-form [hidden],
.vdt-qlcl-page .vdt-qlcl-form label[hidden],
.vdt-qlcl-page .vdt-qlcl-form [hidden] {
  display: none !important;
}

.vdt-qlcl-page .vdt-qlcl-register__form .vdt-form input:not([type="checkbox"]),
.vdt-qlcl-page .vdt-qlcl-register__form .vdt-form select,
.vdt-qlcl-page .vdt-qlcl-register__form .vdt-form textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid var(--qlcl-line);
  border-radius: 10px;
  background: #fff;
  font-family: inherit;
  font-size: 15.5px;
  font-weight: 400;
  color: var(--qlcl-ink);
  transition: border-color .18s ease, box-shadow .18s ease;
}

.vdt-qlcl-page .vdt-qlcl-register__form .vdt-form textarea {
  min-height: 110px;
  resize: vertical;
}

.vdt-qlcl-page .vdt-qlcl-register__form .vdt-form input:not([type="checkbox"]):focus,
.vdt-qlcl-page .vdt-qlcl-register__form .vdt-form select:focus,
.vdt-qlcl-page .vdt-qlcl-register__form .vdt-form textarea:focus {
  border-color: var(--qlcl-blue);
  box-shadow: 0 0 0 4px rgba(30, 91, 255, .12);
  outline: none;
}

.vdt-qlcl-page .vdt-qlcl-register__form .vdt-checkbox {
  flex-direction: row !important;
  align-items: flex-start;
  gap: 10px;
  font-size: 14.5px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--qlcl-muted);
}

.vdt-qlcl-page .vdt-qlcl-register__form .vdt-checkbox input[type="checkbox"] {
  flex: none;
  width: 20px;
  height: 20px;
  min-height: 0;
  margin-top: 2px;
  accent-color: var(--qlcl-blue);
}

.vdt-qlcl-page .vdt-qlcl-register__form .vdt-checkbox a {
  color: var(--qlcl-blue-ink);
  font-weight: 600;
}

.vdt-qlcl-page .vdt-qlcl-register__form .vdt-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 50px;
  padding: 0 24px;
  border: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--qlcl-blue) 0%, #1461cf 52%, #0a6f93 100%);
  color: #fff;
  font-family: inherit;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 12px 28px rgba(30, 91, 255, .30);
  transition: transform .18s ease, box-shadow .18s ease;
}

.vdt-qlcl-page .vdt-qlcl-register__form .vdt-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 36px rgba(30, 91, 255, .38);
}

.vdt-qlcl-page .vdt-qlcl-register__form .vdt-form__message {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--qlcl-ink);
}

.vdt-qlcl-page .vdt-qlcl-register__fallback {
  margin: 0;
  font-size: 16px;
}

/* -------------------------------------------------------------- CTA cuối */

.vdt-qlcl-cta {
  position: relative;
  isolation: isolate;
  padding: clamp(52px, 6vw, 84px) 0;
  overflow: hidden;
  background: #0b1f3a;
  color: #fff;
  text-align: center;
}

/* Ảnh nền CTA truyền qua biến --qlcl-cta-bg từ template; lớp phủ gradient giữ đủ contrast chữ trắng. */
.vdt-qlcl-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(140deg, rgba(11, 31, 58, .95) 0%, rgba(10, 45, 86, .91) 55%, rgba(0, 105, 130, .86) 100%),
    var(--qlcl-cta-bg, none);
  background-size: cover, cover;
  background-position: center, center;
  background-repeat: no-repeat, no-repeat;
}

.vdt-qlcl-cta__inner {
  max-width: 860px;
}

.vdt-qlcl-page .vdt-qlcl-cta h2 {
  margin: 0 0 16px;
  font-size: clamp(28px, 3.2vw, 42px);
  line-height: 1.18;
  font-weight: 700;
  color: #fff;
}

.vdt-qlcl-page .vdt-qlcl-cta p {
  margin: 0 0 28px;
  font-size: 16.5px;
  line-height: 1.72;
  color: rgba(233, 241, 252, .92);
}

.vdt-qlcl-cta__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 24px;
}

.vdt-qlcl-page .vdt-qlcl-cta__address {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(219, 231, 247, .78);
}

/* ----------------------------------------------------------- Disclaimer */

.vdt-qlcl-disclaimer {
  padding: 26px 0 34px;
  background: var(--qlcl-soft);
  border-top: 1px solid var(--qlcl-line);
}

.vdt-qlcl-disclaimer .vdt-container {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.vdt-qlcl-page .vdt-qlcl-disclaimer strong {
  flex: none;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--qlcl-navy);
}

.vdt-qlcl-page .vdt-qlcl-disclaimer p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--qlcl-muted);
}

/* ---------------------------------------------------------- Sticky mobile */

.vdt-qlcl-sticky {
  display: none;
}

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

@media (max-width: 1200px) {
  .vdt-qlcl-reasons {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1024px) {
  .vdt-qlcl-hero__layout {
    grid-template-columns: minmax(0, 1fr);
  }

  /* Dưới 1024px: ảnh + card xếp dọc, chiếm trọn chiều ngang, đặt sau phần chữ. */
  .vdt-qlcl-hero__media {
    justify-items: stretch;
  }

  .vdt-qlcl-hero__figure,
  .vdt-qlcl-page .vdt-qlcl-hero__media .vdt-pm-hero__panel.vdt-tm-hero-card {
    width: 100%;
    max-width: 100%;
    justify-self: stretch;
  }

  .vdt-qlcl-quick {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 46px;
  }

  .vdt-qlcl-audience,
  .vdt-qlcl-benefits,
  .vdt-qlcl-gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .vdt-qlcl-info,
  .vdt-qlcl-cert,
  .vdt-qlcl-onsite,
  .vdt-qlcl-lecturer,
  .vdt-qlcl-register {
    grid-template-columns: minmax(0, 1fr);
  }

  .vdt-qlcl-info__card {
    position: static;
  }

  .vdt-qlcl-cert__media {
    order: -1;
  }
}

@media (max-width: 860px) {
  .vdt-qlcl-page .vdt-qlcl-main p:not([class]) {
    font-size: 15.5px;
  }

  .vdt-qlcl-page .vdt-qlcl-hero h1 {
    font-size: clamp(32px, 8vw, 34px);
  }

  .vdt-qlcl-page .vdt-qlcl-heading h2,
  .vdt-qlcl-page .vdt-qlcl-register__copy h2,
  .vdt-qlcl-page .vdt-qlcl-cta h2 {
    font-size: clamp(26px, 6.5vw, 28px);
  }

  .vdt-qlcl-page .vdt-qlcl-btn {
    min-height: 44px;
    font-size: 15px;
  }

  .vdt-qlcl-hero__actions .vdt-qlcl-btn {
    flex: 1 1 auto;
    min-width: 150px;
  }

  .vdt-qlcl-toc__inner {
    gap: 10px;
  }

  .vdt-qlcl-toc__title {
    display: none;
  }

  .vdt-qlcl-lecturer__card {
    grid-template-columns: minmax(0, 1fr);
  }

  .vdt-qlcl-lecturer__photo {
    max-width: 220px;
  }

  .vdt-qlcl-info__row {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .vdt-qlcl-related {
    grid-template-columns: minmax(0, 1fr);
  }

  .vdt-qlcl-module > summary {
    flex-wrap: wrap;
    gap: 10px;
    padding: 14px 18px;
  }

  .vdt-qlcl-module__title {
    flex: 1 1 100%;
    order: 3;
    font-size: 16.5px;
  }

  .vdt-qlcl-module__mark {
    margin-left: auto;
  }

  .vdt-qlcl-module__list {
    padding: 0 18px 18px;
  }

  .vdt-qlcl-faq__item > summary {
    font-size: 16px;
    padding: 14px 18px;
  }

  .vdt-qlcl-disclaimer .vdt-container {
    flex-direction: column;
    gap: 6px;
  }
}

@media (max-width: 640px) {
  .vdt-qlcl-quick,
  .vdt-qlcl-reasons,
  .vdt-qlcl-audience,
  .vdt-qlcl-benefits,
  .vdt-qlcl-gallery,
  .vdt-qlcl-form__grid,
  .vdt-qlcl-page .vdt-qlcl-register__form .vdt-form__grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .vdt-qlcl-step {
    padding: 18px;
    gap: 14px;
  }

  .vdt-qlcl-step__num {
    width: 38px;
    height: 38px;
    font-size: 16px;
  }

  .vdt-qlcl-register__meta li {
    flex-direction: column;
    gap: 2px;
  }

  .vdt-qlcl-register__meta strong {
    text-align: left;
  }
}

/* Sticky CTA — chỉ hiện trên mobile/tablet nhỏ */
@media (max-width: 860px) {
  .vdt-qlcl-page {
    padding-bottom: 72px;
  }

  .vdt-qlcl-sticky {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 90;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    padding: 8px 10px calc(8px + env(safe-area-inset-bottom, 0px));
    background: rgba(255, 255, 255, .97);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--qlcl-line);
    box-shadow: 0 -8px 24px rgba(11, 31, 58, .12);
  }

  .vdt-qlcl-sticky__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    min-height: 48px;
    padding: 6px 4px;
    border-radius: 10px;
    font-size: 12.5px;
    font-weight: 700;
    color: var(--qlcl-navy);
    text-decoration: none;
  }

  .vdt-qlcl-sticky__icon {
    font-size: 17px;
    line-height: 1;
  }

  .vdt-qlcl-sticky__item--primary {
    background: linear-gradient(135deg, var(--qlcl-blue) 0%, #0a6f93 100%);
    color: #fff;
  }
}

/* --------------------------------------------------- Fade-up / reduced motion */

.vdt-qlcl-page .vdt-fade-up {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .5s ease, transform .5s ease;
}

.vdt-qlcl-page .vdt-fade-up.vdt-is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .vdt-qlcl-page .vdt-fade-up {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .vdt-qlcl-page .vdt-qlcl-btn:hover,
  .vdt-qlcl-reason:hover,
  .vdt-qlcl-audience__item:hover,
  .vdt-qlcl-benefit:hover,
  .vdt-qlcl-step:hover,
  .vdt-qlcl-gallery__item:hover,
  .vdt-qlcl-related__fallback:hover {
    transform: none;
  }
}