/* VinaDragon public client theme, adapted from the supplied Drivon template. */
:root {
  --divider-color: rgba(0, 68, 176, 0.12);
  --dark-divider-color: rgba(255, 255, 255, 0.18);
  --white-color: #fff;
  --error-color: #c62828;
}

/* Homepage modules managed by CMS */
.vd-home-section{padding:82px 0}.vd-home-section.bg-lighter{background:#f3f7ff}.vd-section-heading{text-align:center;max-width:720px;margin:0 auto 38px}.vd-section-heading>span,.vd-section-heading>div>span{display:block;color:#0044b0;font-weight:800;text-transform:uppercase;letter-spacing:.08em;font-size:13px;margin-bottom:8px}.vd-section-heading h2{color:#002e79;font-size:clamp(30px,4vw,46px);margin:0 0 10px}.vd-section-heading p{margin:0;color:#667085}.vd-heading-with-action{max-width:none;display:flex;align-items:end;justify-content:space-between;text-align:left}.vd-heading-with-action h2{margin-bottom:0}.vd-center-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.vd-center-card{display:flex;gap:18px;border:1px solid #dce7fa;border-radius:14px;padding:22px;background:#fff;box-shadow:0 8px 28px rgba(0,46,121,.07)}.vd-center-icon{flex:0 0 46px;height:46px;border-radius:50%;display:grid;place-items:center;background:#fee600;color:#002e79}.vd-center-card h3{font-size:18px;color:#0044b0;margin:0 0 7px}.vd-center-card p{margin:0 0 12px;color:#667085}.vd-center-actions{display:flex;gap:16px;flex-wrap:wrap}.vd-center-actions a{font-weight:700;color:#002e79}.vd-post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.vd-post-grid .post-item{height:100%;background:#fff}.vd-post-grid .post-featured-image{display:block;aspect-ratio:16/10;overflow:hidden}.vd-post-grid .post-featured-image img{width:100%;height:100%;object-fit:cover}.vd-post-grid .post-item-body{padding:22px}.vd-post-grid h3{font-size:20px;margin:9px 0}.vd-post-grid p{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden}.vd-teacher-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}.vd-teacher-card{border-radius:16px;overflow:hidden;background:#fff;box-shadow:0 10px 32px rgba(0,46,121,.1)}.vd-teacher-photo{aspect-ratio:4/4.5;background:#edf3ff}.vd-teacher-photo img,.vd-person-placeholder{width:100%;height:100%;object-fit:cover}.vd-person-placeholder{display:grid;place-items:center;color:#0044b0;font-size:58px}.vd-teacher-body{padding:20px;text-align:center}.vd-teacher-body h3{font-size:20px;color:#002e79;margin:0 0 4px}.vd-teacher-body span{color:#0044b0;font-weight:700}.vd-teacher-body p{font-size:14px;margin:10px 0 0;color:#667085}.vd-gallery-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.vd-gallery-card{position:relative;overflow:hidden;border-radius:14px;aspect-ratio:4/3;background:#dce7fa}.vd-gallery-card img{width:100%;height:100%;object-fit:cover;transition:transform .35s}.vd-gallery-card:hover img{transform:scale(1.05)}.vd-gallery-card>span{position:absolute;inset:auto 0 0;padding:36px 18px 16px;color:#fff;background:linear-gradient(transparent,rgba(0,46,121,.92));display:flex;flex-direction:column}.vd-gallery-card small{color:#fee600}.vd-feedback-section{background:#071b43;color:#fff}.vd-section-heading.light h2{color:#fff}.vd-section-heading.light>span{color:#fee600}.vd-feedback-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.vd-feedback-card{background:#102a5a;border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:28px}.vd-feedback-card>i{font-size:28px;color:#fee600}.vd-feedback-card>p{font-size:16px;line-height:1.75;margin:16px 0 22px}.vd-feedback-author{display:flex;align-items:center;gap:12px}.vd-feedback-author>img,.vd-feedback-author>span{width:48px;height:48px;border-radius:50%;object-fit:cover}.vd-feedback-author>span{display:grid;place-items:center;background:#fee600;color:#002e79;font-weight:900}.vd-feedback-author strong,.vd-feedback-author small{display:block}.vd-feedback-author small{color:#bed0ee}.vd-empty-dark{color:#fff}.vd-empty-state{text-align:center;padding:34px;border:1px dashed #c8d8f4;border-radius:14px}.vd-empty-state h3{margin:0;font-size:18px}
@media(max-width:991px){.vd-post-grid,.vd-feedback-grid,.vd-gallery-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.vd-teacher-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:767px){.vd-home-section{padding:54px 0}.vd-center-grid,.vd-post-grid,.vd-feedback-grid,.vd-gallery-grid{grid-template-columns:1fr}.vd-heading-with-action{align-items:center}.vd-heading-with-action .btn-default{padding:12px 15px}.vd-teacher-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.vd-teacher-body{padding:14px}.vd-teacher-body p{display:none}}

.vd-center-showcase{display:grid;grid-template-columns:minmax(300px,.95fr) minmax(0,1.05fr);gap:30px;align-items:stretch}.vd-center-visual{min-height:480px;border:1px solid #d7dfeb;border-radius:16px;overflow:hidden;background:#fff;display:grid;place-items:center}.vd-center-visual>img{width:100%;height:100%;max-height:680px;object-fit:contain}.vd-center-visual-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:32px;text-align:center;color:#667085}.vd-center-visual-placeholder i{font-size:64px;color:#0044b0}.vd-center-showcase .vd-center-grid{grid-template-columns:1fr;align-content:start;gap:12px}.vd-center-showcase .vd-center-card{padding:17px 18px;border-color:#b9c9e3;box-shadow:0 4px 12px rgba(0,46,121,.13)}.vd-center-showcase .vd-center-icon{flex-basis:38px;height:38px}.vd-center-showcase .vd-center-card h3{margin-bottom:5px}.vd-center-showcase .vd-center-card p{margin-bottom:8px}.vd-center-description{margin-top:30px;color:#667085;font-size:18px;line-height:1.75}.vd-center-description>:first-child{margin-top:0}.vd-center-description>:last-child{margin-bottom:0}
@media(max-width:991px){.vd-center-showcase{grid-template-columns:1fr}.vd-center-visual{min-height:320px;max-height:560px}.vd-center-visual>img{max-height:560px}}
@media(max-width:767px){.vd-center-showcase{gap:18px}.vd-center-visual{min-height:240px}.vd-center-showcase .vd-center-card{padding:15px}.vd-center-description{margin-top:22px;font-size:16px}}

html { scroll-behavior: smooth; }
body.client-body { background: #fff; color: var(--text-color); cursor: auto; }
.client-body a, .client-body button, .client-body .section-title h1, .client-body .section-title h2 { cursor: pointer; }
.client-body .reveal { visibility: visible; }
.client-body p { line-height: 1.7; }

.preloader { background: #fff; transition: opacity .25s ease, visibility .25s ease; }
.preloader.is-hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.preloader .loading { border-color: transparent var(--brand-blue) transparent var(--brand-yellow); }
#loading-icon { max-width: 62px; }

.main-header { background: #fff; min-height: 104px; }
.main-header .header-sticky,
header.main-header .header-sticky.active { background: rgba(255, 255, 255, .98); border-color: rgba(0, 68, 176, .1); box-shadow: 0 12px 30px rgba(0, 46, 121, .08); }
.client-navbar { position: relative; display: flex; align-items: center; justify-content: space-between; }
.navbar-brand img, .main-header .navbar-brand img { display: block; width: 88px; height: 78px; object-fit: contain; max-width: none; }
.main-menu { display: flex; align-items: center; flex: 1; min-width: 0; }
.main-menu .nav-menu-wrapper { display: flex; justify-content: center; min-width: 0; }
.main-menu ul li a { color: #2a3d58; text-transform: none; }
.main-menu ul li a:hover, .main-menu ul li a:focus { color: var(--brand-blue); }
.main-menu > .nav-menu-wrapper > ul > .vd-nav-item.is-active > .nav-link { color: var(--brand-blue); }
.main-menu > .nav-menu-wrapper > ul > .vd-nav-item.is-active::after { position: absolute; right: 14px; bottom: 2px; left: 14px; height: 3px; background: var(--accent-color); content: ''; }
.vd-nav-item { position: relative; display: flex; align-items: center; }
.vd-nav-item.has-submenu > .nav-link { padding-right: 5px !important; }
.vd-submenu-toggle { display: inline-flex; align-items: center; justify-content: center; width: 26px; height: 30px; padding: 0; border: 0; background: transparent; color: #526176; font-size: 11px; transition: color .2s ease, transform .2s ease; }
.vd-nav-item:hover > .vd-submenu-toggle,
.vd-nav-item:focus-within > .vd-submenu-toggle { color: var(--brand-blue); }
.vd-nav-item.is-submenu-open > .vd-submenu-toggle { transform: rotate(180deg); }
.vd-submenu { position: absolute; z-index: 50; top: calc(100% + 12px); left: 0; display: block; min-width: 245px; margin: 0; padding: 10px 0; border-top: 4px solid var(--accent-color); background: #fff; box-shadow: 0 20px 45px rgba(0, 46, 121, .16); list-style: none; opacity: 0; visibility: hidden; transform: translateY(8px); transition: opacity .2s ease, visibility .2s ease, transform .2s ease; }
.vd-nav-item:hover > .vd-submenu,
.vd-nav-item:focus-within > .vd-submenu,
.vd-nav-item.is-submenu-open > .vd-submenu { opacity: 1; visibility: visible; transform: translateY(0); }
.vd-submenu .vd-nav-item { width: 100%; }
.vd-submenu .nav-link { flex: 1; padding: 10px 18px !important; color: #2a3d58; font-size: 14px; line-height: 1.35; white-space: normal; }
.vd-submenu .vd-submenu-toggle { margin-right: 8px; transform: rotate(-90deg); }
.vd-submenu .vd-nav-item.is-submenu-open > .vd-submenu-toggle { transform: rotate(90deg); }
.vd-submenu .vd-submenu { top: -14px; left: calc(100% + 2px); }
.header-contact-box { flex-shrink: 0; }
.header-contact-btn .icon-box,
.about-contact-box .icon-box { color: var(--primary-color); }
.header-contact-now-content small { display: block; color: #718096; font-size: 12px; margin-bottom: 5px; }
.header-contact-now-content h3 { font-family: var(--default-font); font-size: 17px; }
.client-menu-toggle { display: none; width: 44px; height: 42px; padding: 8px; border: 0; background: var(--accent-color); }
.client-menu-toggle span { display: block; height: 3px; margin: 4px 0; background: var(--primary-color); transition: transform .2s ease, opacity .2s ease; }
.client-menu-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.client-menu-toggle.is-open span:nth-child(2) { opacity: 0; }
.client-menu-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.btn-default { background: var(--accent-color); color: var(--brand-deep); }
.btn-default:hover { color: #fff; }
.btn-default::after { background: var(--brand-deep); }
.btn-default::before { filter: hue-rotate(175deg) saturate(2); }
.readmore-btn { color: var(--brand-blue); }
.readmore-btn:hover { color: var(--brand-deep); }
.readmore-btn::after { content: '→'; width: auto; height: auto; background: none; color: currentColor; font-size: 18px; }
.readmore-btn:hover::after { transform: translateY(-50%) translateX(3px); filter: none; }
.section-title h3 { background: none; color: var(--brand-blue); padding-left: 27px; text-transform: none; }
.section-title h3::before { content: ''; position: absolute; left: 0; top: 50%; width: 17px; height: 4px; transform: translateY(-50%); background: var(--accent-color); box-shadow: 0 -6px 0 var(--brand-blue); }
.section-title h1 span, .section-title h2 span { color: var(--accent-color); text-shadow: 0 1px 0 rgba(0, 46, 121, .18); }
.section-title:not(.dark-section) h1 span, .section-title:not(.dark-section) h2 span { color: var(--brand-blue); text-shadow: none; }

.notice-strip { background: var(--brand-deep); color: #fff; padding: 10px 0; font-size: 14px; }
.notice-strip-inner { display: flex; align-items: center; gap: 24px; }
.notice-strip-inner > span { color: var(--accent-color); font-weight: 700; white-space: nowrap; }
.notice-strip-inner > span i { margin-right: 7px; }
.notice-links { display: flex; align-items: center; gap: 24px; min-width: 0; overflow: hidden; }
.notice-links a { color: #fff; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.notice-links a:hover { color: var(--accent-color); }

.vd-banner-slider { position: relative; overflow: hidden; background: #e8eef7; isolation: isolate; }
.vd-banner-track { position: relative; }
.vd-banner-slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity .55s ease, visibility .55s ease; }
.vd-banner-slide.is-active { position: relative; inset: auto; z-index: 1; opacity: 1; visibility: visible; }
.vd-banner-slide > a, .vd-banner-slide picture { display: block; width: 100%; }
.vd-banner-slide img { display: block; width: 100%; height: auto; }
.vd-banner-arrow { position: absolute; z-index: 3; top: 50%; display: grid; place-items: center; width: 48px; height: 48px; padding: 0; border: 1px solid rgba(255,255,255,.7); border-radius: 50%; background: rgba(0,46,121,.62); color: #fff; opacity: 0; transform: translateY(-50%); transition: opacity .2s ease, background .2s ease; }
.vd-banner-slider:hover .vd-banner-arrow, .vd-banner-slider:focus-within .vd-banner-arrow { opacity: 1; }
.vd-banner-arrow:hover, .vd-banner-arrow:focus-visible { background: var(--brand-blue); }
.vd-banner-prev { left: 24px; }
.vd-banner-next { right: 24px; }
.vd-banner-dots { position: absolute; z-index: 3; right: 0; bottom: 20px; left: 0; display: flex; justify-content: center; gap: 8px; }
.vd-banner-dots button { width: 10px; height: 10px; padding: 0; border: 2px solid #fff; border-radius: 50%; background: rgba(0,46,121,.35); box-shadow: 0 2px 8px rgba(0,0,0,.2); transition: width .2s ease, border-radius .2s ease, background .2s ease; }
.vd-banner-dots button.is-active { width: 28px; border-radius: 8px; background: var(--accent-color); }

.vd-hero { background: var(--secondary-color); }
.vd-hero .hero-section { background-image: var(--hero-image); padding-top: 135px; }
.vd-hero .hero-section::before { background: linear-gradient(115deg, rgba(0, 35, 92, .94), rgba(0, 68, 176, .68)); opacity: 1; }
.vd-hero .hero-content { max-width: 1020px; }
.vd-hero .section-title h1 { letter-spacing: -.025em; }
.vd-hero .section-title h3::before { background: var(--accent-color); box-shadow: 0 -6px 0 #fff; }
.hero-cta-box { box-shadow: 0 28px 75px rgba(0, 46, 121, .14); }
.hero-cta-item .icon-box { display: flex; align-items: center; justify-content: center; width: 58px; height: 58px; flex: 0 0 58px; margin-right: 22px; background: var(--accent-color); color: var(--brand-deep); font-size: 26px; }
.hero-cta-item-content { width: calc(100% - 80px); }
.vd-image-stamp { position: absolute; right: 18px; bottom: 18px; display: flex; flex-direction: column; min-width: 115px; padding: 14px 18px; background: var(--accent-color); color: var(--brand-deep); }
.vd-image-stamp span { font-size: 13px; text-transform: uppercase; letter-spacing: .08em; }
.vd-image-stamp strong { font-family: var(--accent-font); font-size: 26px; text-transform: uppercase; }

.about-us { scroll-margin-top: 110px; }
.vd-about-images .about-img-1 img, .vd-about-images .about-img-2 img { object-fit: cover; }
.about-contact-box { background: var(--accent-color); color: var(--brand-deep); }
.about-contact-box .icon-box { background: #fff; }
.about-contact-content h3 a { color: var(--brand-deep); }
.vd-check-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 28px; }
.vd-check-list span { display: flex; align-items: center; gap: 10px; color: var(--brand-deep); font-weight: 650; }
.vd-check-list i { display: inline-flex; align-items: center; justify-content: center; width: 25px; height: 25px; background: var(--accent-color); color: var(--brand-deep); border-radius: 50%; font-size: 12px; }

.vd-programs { background: var(--secondary-color); padding: 100px 0 70px; scroll-margin-top: 105px; }
.vd-program-card { height: calc(100% - 30px); margin-bottom: 30px; background: #fff; box-shadow: 0 18px 45px rgba(0, 46, 121, .08); transition: transform .25s ease, box-shadow .25s ease; }
.vd-program-card:hover { transform: translateY(-7px); box-shadow: 0 26px 60px rgba(0, 46, 121, .16); }
.vd-program-image { display: block; overflow: hidden; }
.vd-program-image img { display: block; width: 100%; aspect-ratio: 1.35 / 1; object-fit: cover; transition: transform .5s ease; }
.vd-program-card:hover .vd-program-image img { transform: scale(1.06); }
.vd-program-body { padding: 28px; }
.vd-program-body > span { display: inline-block; margin-bottom: 12px; color: var(--brand-blue); font-size: 13px; font-weight: 750; text-transform: uppercase; letter-spacing: .08em; }
.vd-program-body h3 { min-height: 58px; margin-bottom: 12px; font-size: 26px; }
.vd-program-body h3 a { color: inherit; }
.vd-program-body h3 a:hover { color: var(--brand-blue); }
.vd-program-body p { display: -webkit-box; min-height: 56px; margin-bottom: 18px; overflow: hidden; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }

.vd-process { background-color: #fff; }
.vd-process .how-it-work-image img { width: 100%; min-height: 520px; object-fit: cover; }
.how-it-work-no { background: var(--accent-color); }
.how-it-work-no h3 { color: var(--brand-deep); }

.vd-news-section { background: #fff; }
.post-item { display: flex; flex-direction: column; }
.post-item-body { display: flex; flex: 1; flex-direction: column; }
.post-item-content { flex: 1; }
.post-item-content h3 { font-size: 26px; }
.post-item-content h3 a { color: var(--brand-deep); }
.post-item-content h3 a:hover { color: var(--brand-blue); }
.post-item-content p { display: -webkit-box; margin: 12px 0 0; overflow: hidden; -webkit-line-clamp: 3; -webkit-box-orient: vertical; }
.post-featured-image img { width: 100%; aspect-ratio: 1.2 / 1; object-fit: cover; }
.vd-post-meta { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; color: var(--brand-blue); font-size: 14px; font-weight: 650; }
.vd-empty-state { padding: 70px 25px; border: 1px solid var(--divider-color); background: var(--secondary-color); text-align: center; }
.vd-empty-state > i { display: inline-flex; align-items: center; justify-content: center; width: 70px; height: 70px; margin-bottom: 20px; background: var(--accent-color); color: var(--brand-deep); font-size: 30px; }
.vd-empty-state h2, .vd-empty-state h3 { margin-bottom: 12px; }
.vd-empty-state p { margin-bottom: 24px; }

.vd-contact-cta { padding: 0 0 100px; }
.vd-contact-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding: 55px 65px; background: linear-gradient(115deg, var(--brand-deep), var(--brand-blue)); color: #fff; }
.vd-contact-cta-inner span { color: var(--accent-color); font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }
.vd-contact-cta-inner h2 { margin: 8px 0; color: #fff; font-size: 44px; text-transform: uppercase; }
.vd-contact-cta-inner p { margin: 0; color: rgba(255,255,255,.82); }
.vd-contact-cta-inner .btn-default { flex: 0 0 auto; }

.vd-page-header .page-header-section { background-image: url('../vendor/drivon/images/page-header-bg.jpg'); }
.vd-page-header .page-header-section::before { background: linear-gradient(115deg, rgba(0, 35, 92, .96), rgba(0, 68, 176, .76)); opacity: 1; }
.vd-page-header .page-header-box { position: relative; z-index: 2; }
.vd-page-kicker { display: inline-flex; margin-bottom: 14px; color: var(--accent-color); font-size: 14px; font-weight: 750; text-transform: uppercase; letter-spacing: .1em; }
.vd-page-header .page-header-box h1 { color: #fff; }
.vd-page-header .breadcrumb-item, .vd-page-header .breadcrumb-item a { color: rgba(255,255,255,.9); }
.vd-page-header .breadcrumb-item.active { color: var(--accent-color); }
.vd-article-header .page-header-box { max-width: 1080px; margin: auto; text-align: center; }
.vd-article-header .page-header-box h1 { font-size: 64px; }
.post-single-meta ol { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 16px; margin: 25px 0 12px; padding: 0; list-style: none; }
.post-single-meta ol li { margin: 0; }
.post-image img { max-height: 670px; }
.vd-article-summary { margin-bottom: 35px; padding: 24px 28px; border-left: 5px solid var(--accent-color); background: var(--secondary-color); color: var(--brand-deep); font-size: 21px; font-weight: 600; }
.post-entry { font-size: 18px; }
.post-entry img { height: auto; }
.post-entry a { color: var(--brand-blue); text-decoration: underline; }
.post-entry blockquote { background-color: var(--accent-color); }
.post-entry blockquote p { color: var(--brand-deep); }
.post-tags .tag-links a { background: var(--accent-color); color: var(--brand-deep); }
.post-social-sharing { display: flex; align-items: center; justify-content: flex-end; gap: 12px; }
.post-social-sharing > span { color: var(--brand-deep); font-weight: 700; }
.post-social-sharing ul li button { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; border: 0; background: var(--brand-blue); color: #fff; transition: background .2s ease; }
.post-social-sharing ul li button:hover { background: var(--accent-color); color: var(--brand-deep); }
.vd-back-row { margin-top: 35px; }
.vd-archive-post { padding-bottom: 24px; border-bottom: 1px solid var(--divider-color); }
.page-pagination ul li.active span, .page-pagination ul li a:hover { background: var(--accent-color); color: var(--brand-deep); }

.main-footer { background-color: var(--brand-deep); }
.footer-logo { display: inline-flex; width: 112px; margin-bottom: 22px; padding: 8px; background: #fff; }
.footer-logo img { width: 100%; max-width: none; }
.about-footer-content h3 { margin-bottom: 12px; color: #fff; font-size: 28px; }
.footer-contact-list { background: var(--accent-color); }
.footer-contact-secondary { margin-top: 8px; background: rgba(255,255,255,.1); }
.footer-contact-secondary ul li a { color: #fff; }
.footer-contact-list ul li a i { width: 23px; margin-right: 8px; }
.footer-link-box { justify-content: flex-end; }
.footer-links { width: calc(35% - 40px); }
.footer-contact-info { width: calc(65% - 40px); }
.footer-info-item .icon-box { color: var(--accent-color); font-size: 22px; }
.footer-info-content a { color: rgba(255,255,255,.88); }
.footer-info-content a:hover { color: var(--accent-color); }
.footer-html, .footer-html p, .footer-html a { color: rgba(255,255,255,.86); }
.footer-social-links { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 18px; }
.footer-social-links a { display: inline-flex; align-items: center; justify-content: center; min-width: 38px; height: 38px; padding: 0 10px; border: 1px solid rgba(255,255,255,.2); color: #fff; font-size: 14px; font-weight: 750; }
.footer-social-links a:hover { border-color: var(--accent-color); background: var(--accent-color); color: var(--brand-deep); }
.about-us-btn { margin-top: 26px; }
.vd-center-description, .vd-center-description p { color: var(--text-color); line-height: 1.7; }
.vd-center-description p:last-child { margin-bottom: 0; }

.vd-category-filter { position: relative; z-index: 5; margin-top: -28px; }
.vd-category-filter-inner { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; padding: 16px 20px; border-top: 4px solid var(--accent-color); background: #fff; box-shadow: 0 16px 38px rgba(0,46,121,.1); }
.vd-category-filter a { display: inline-flex; align-items: center; min-height: 38px; margin-left: calc(var(--category-depth, 0) * 10px); padding: 8px 14px; border: 1px solid var(--divider-color); color: #2a3d58; font-size: 14px; font-weight: 700; }
.vd-category-filter a:hover, .vd-category-filter a.is-active { border-color: var(--brand-blue); background: var(--brand-blue); color: #fff; }
.vd-related-content { padding-top: 80px; }

.vd-error-page { min-height: 68vh; padding: 90px 0; background: var(--secondary-color); }
.vd-error-card { max-width: 760px; margin: auto; padding: 60px; background: #fff; box-shadow: 0 24px 70px rgba(0,46,121,.12); text-align: center; }
.vd-error-card > img { width: 105px; margin-bottom: 20px; }
.vd-error-card > span { display: block; margin-bottom: 12px; color: var(--brand-blue); font-weight: 750; letter-spacing: .08em; }
.vd-error-card h1 { margin-bottom: 18px; font-size: 44px; text-transform: uppercase; }
.vd-error-card code { display: inline-block; margin: 0 0 24px; padding: 10px 14px; background: var(--secondary-color); color: var(--brand-deep); }

@media only screen and (min-width: 992px) {
  /* Bootstrap sets .navbar-nav to a column. Keep only the root navigation horizontal;
     nested .vd-submenu lists retain their dropdown layout. */
  .main-menu .nav-menu-wrapper > #menu {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    flex-wrap: nowrap;
    width: 100%;
    margin: 0;
    padding-left: 0;
  }
  .main-menu .nav-menu-wrapper > #menu > .vd-nav-item { flex: 0 0 auto; }
}

@media only screen and (max-width: 1200px) {
  .main-menu .nav-menu-wrapper { margin-left: 25px; }
  .main-menu ul li a { padding-left: 10px !important; padding-right: 10px !important; font-size: 16px; }
  .header-booking-btn { display: none; }
}

@media only screen and (max-width: 991px) {
  .main-header { min-height: 88px; }
  .navbar-brand img, .main-header .navbar-brand img { width: 70px; height: 62px; }
  .client-menu-toggle { display: block; }
  .main-menu { display: none; position: absolute; top: 100%; left: 15px; right: 15px; flex-direction: column; align-items: stretch; padding: 10px 20px 22px; background: #fff; border-top: 4px solid var(--accent-color); box-shadow: 0 20px 35px rgba(0,46,121,.16); }
  .main-menu.is-open { display: flex; }
  .main-menu .nav-menu-wrapper { margin: 0; }
  .main-menu .nav-menu-wrapper > ul { display: block; width: 100%; }
  .main-menu ul li a { padding: 12px 0 !important; border-bottom: 1px solid var(--divider-color); }
  .main-menu .vd-nav-item { display: grid; grid-template-columns: minmax(0, 1fr) 42px; width: 100%; }
  .main-menu .vd-nav-item:not(.has-submenu) > .nav-link { grid-column: 1 / -1; }
  .main-menu .vd-submenu-toggle { width: 42px; height: 45px; transform: none; }
  .main-menu .vd-nav-item.is-submenu-open > .vd-submenu-toggle,
  .main-menu .vd-submenu .vd-nav-item.is-submenu-open > .vd-submenu-toggle { transform: rotate(180deg); }
  .main-menu .vd-submenu { position: static; grid-column: 1 / -1; display: none; min-width: 0; padding: 0 0 0 18px; border: 0; box-shadow: none; opacity: 1; visibility: visible; transform: none; transition: none; }
  .main-menu .vd-nav-item.is-submenu-open > .vd-submenu { display: block; }
  .main-menu .vd-submenu .nav-link { padding: 10px 0 !important; font-size: 14px; }
  .main-menu .header-contact-box { display: flex; margin-top: 18px; }
  .header-contact-btn { display: flex; }
  .notice-strip-inner { align-items: flex-start; }
  .notice-links { flex-direction: column; align-items: flex-start; gap: 6px; }
  .notice-links a:nth-child(n+2) { display: none; }
  .vd-hero .hero-section { padding-top: 70px; }
  .vd-programs { padding: 55px 0 25px; }
  .vd-process .how-it-work-image img { min-height: 380px; }
  .vd-contact-cta { padding-bottom: 55px; }
  .vd-contact-cta-inner { align-items: flex-start; flex-direction: column; padding: 42px; }
  .vd-contact-cta-inner h2 { font-size: 36px; }
  .footer-link-box { justify-content: flex-start; margin: 45px 0 0; }
  .footer-links, .footer-contact-info { width: calc(50% - 40px); }
  .vd-article-header .page-header-box h1 { font-size: 46px; }
}

@media only screen and (max-width: 767px) {
  .vd-banner-arrow { width: 40px; height: 40px; opacity: .9; }
  .vd-banner-prev { left: 10px; }
  .vd-banner-next { right: 10px; }
  .vd-banner-dots { bottom: 12px; }
  .notice-strip-inner { gap: 12px; }
  .notice-strip-inner > span { font-size: 0; }
  .notice-strip-inner > span i { font-size: 14px; }
  .hero-cta-box { padding: 25px; }
  .vd-image-stamp { right: 10px; bottom: 10px; }
  .vd-check-list { grid-template-columns: 1fr; }
  .vd-program-body h3 { min-height: 0; }
  .vd-program-body p { min-height: 0; }
  .vd-contact-cta-inner { padding: 32px 24px; }
  .vd-contact-cta-inner h2 { font-size: 30px; }
  .footer-links, .footer-contact-info { width: 100%; }
  .footer-links::before { display: none; }
  .vd-article-header .page-header-box h1 { font-size: 36px; }
  .post-social-sharing { justify-content: flex-start; margin-top: 25px; }
  .vd-category-filter { margin-top: 0; }
  .vd-category-filter-inner { flex-wrap: nowrap; overflow-x: auto; padding-inline: 15px; }
  .vd-category-filter a { flex: 0 0 auto; margin-left: 0; }
  .vd-error-card { padding: 40px 22px; }
  .vd-error-card h1 { font-size: 32px; }
}

@media (prefers-reduced-motion: reduce) {
  .vd-banner-slide { transition: none; }
}

/* Readable article cards and compact content headers (September 2026). */
.breadcrumb { --bs-breadcrumb-divider: '/'; }
.post-item .post-item-content h3,
.vd-post-grid .post-item h3 {
  font-family: 'Onest', Arial, Helvetica, sans-serif;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: normal;
  text-transform: none;
  margin: 10px 0 12px;
  overflow-wrap: anywhere;
}
.post-item .post-item-content h3 a,
.vd-post-grid .post-item h3 a { color: #17365d; }
.post-item .post-item-content h3 a:hover,
.vd-post-grid .post-item h3 a:hover { color: var(--brand-blue); }
.post-item .post-item-content p, .vd-post-grid .post-item p {
  font-size: 16px;
  line-height: 1.7;
  color: #536176;
}
.post-item .readmore-btn {
  font-family: 'Onest', Arial, Helvetica, sans-serif;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  text-transform: none;
}
.vd-page-header .page-header-box h1 {
  font-family: 'Onest', Arial, Helvetica, sans-serif;
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  line-height: 1.3;
  text-transform: none;
  letter-spacing: normal;
  cursor: auto;
  overflow-wrap: anywhere;
}
.vd-page-header .page-header-box ol li.breadcrumb-item { font-size: 14px; text-transform: none; }
.vd-article-header.page-header { padding: 0; background: #f6f8fc; border-bottom: 1px solid #e2e8f0; }
.vd-article-header .page-header-section {
  padding: 28px 0;
  margin: 0;
  background: none;
  border-radius: 0;
}
.vd-article-header .page-header-section::before { display: none; }
.vd-article-header .page-header-box { max-width: 960px; margin-inline: auto; text-align: left; }
.vd-article-header .page-header-box h1 { display: block; font-size: clamp(25px, 3vw, 36px); color: #17365d; margin: 0 0 16px; }
.vd-article-header .vd-page-kicker { color: var(--brand-blue); font-size: 12px; margin-bottom: 8px; }
.vd-article-header .page-header-box .breadcrumb { justify-content: flex-start; margin: 0 0 18px; gap: 4px 0; }
.vd-article-header .page-header-box .breadcrumb-item,
.vd-article-header .page-header-box .breadcrumb-item a { color: #526178; }
.vd-article-header .page-header-box .breadcrumb-item.active { color: #17365d; }
.vd-article-header .page-header-box .breadcrumb-item + .breadcrumb-item::before { color: #94a3b8; }
.vd-article-header .post-single-meta ol { justify-content: flex-start; margin: 0; }
.vd-article-header .post-single-meta ol li,
.vd-article-header .post-single-meta ol li i { font-size: 14px; line-height: 1.5; color: #526178; }
.vd-article-page.page-single-post { padding: 28px 0 52px; }
.vd-article-page > .container { max-width: 984px; }
.vd-article-page .vd-article-summary {
  margin: 0 0 24px;
  padding: 0;
  border: 0;
  background: none;
  font-family: 'Onest', Arial, Helvetica, sans-serif;
  font-size: 18px;
  line-height: 1.75;
  font-weight: 500;
  color: #334155;
}
.vd-article-page .post-image { margin-bottom: 28px; }
.vd-article-page .post-image img { max-height: 420px; width: 100%; height: auto; aspect-ratio: auto; object-fit: contain; border-radius: 8px; }
@media (max-width: 767px) {
  .post-item .post-item-content h3, .vd-post-grid .post-item h3 { font-size: 19px; }
  .vd-article-header .page-header-section { padding: 20px 0; }
  .vd-article-header .page-header-box .breadcrumb { margin-bottom: 14px; }
  .vd-article-page.page-single-post { padding: 20px 0 36px; }
  .vd-article-page .vd-article-summary { font-size: 17px; margin-bottom: 20px; }
  .vd-article-page .post-image img { max-height: 280px; }
}

/* Registration and per-center contact shortcuts. */
.header-booking-btn { display: block; }
.header-booking-btn button { border: 0; cursor: pointer; text-transform: none; white-space: nowrap; }
.vd-social-actions { position: fixed; left: max(8px, env(safe-area-inset-left)); top: 50%; transform: translateY(-50%); z-index: 1000; display: flex; flex-direction: column; gap: 10px; }
.vd-social-actions a { width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; border-radius: 50%; color: #fff; box-shadow: 0 3px 12px #002e7930; border: 2px solid #fff; font: 700 13px var(--default-font); text-decoration: none; }
.vd-social-actions i { font-size: 20px; }
.vd-social-facebook { background: #0866ff; }
.vd-social-zalo { background: #0068d9; }
.vd-social-gmail { background: #c9362b; }
.vd-social-actions a:hover { filter: brightness(.9); }
.vd-social-actions a:focus-visible, .vd-registration button:focus-visible { outline: 3px solid #e6b600; outline-offset: 3px; }
body.vd-registration-open { overflow: hidden; }
dialog.vd-registration { position: fixed; inset: 0; width: min(540px, calc(100% - 24px)); max-height: calc(100dvh - 32px); margin: auto; padding: 28px; border: 0; border-radius: 18px; background: #fff; color: #24354b; box-shadow: 0 24px 80px #001c4966; overflow-y: auto; font-family: var(--default-font); }
.vd-registration::backdrop { background: #00173599; }
.vd-registration-heading { display: flex; align-items: flex-start; gap: 12px; justify-content: space-between; }
.vd-registration h2 { font: 700 25px/1.3 var(--default-font); text-transform: none; color: #003a91; margin: 0 0 8px; }
.vd-registration-heading p { font-size: 14px; line-height: 1.6; margin-bottom: 12px; }
.vd-registration-close { flex-shrink: 0; width: 36px; height: 36px; border: 0; border-radius: 50%; background: #eef3fa; color: #24354b; font: 28px/1 sans-serif; }
.vd-registration label { display: block; font-size: 14px; font-weight: 600; margin: 12px 0 6px; }
.vd-registration label small { font-weight: 400; }
.vd-registration input, .vd-registration select { display: block; width: 100%; min-height: 46px; padding: 10px 12px; border: 1px solid #bcc9d9; border-radius: 8px; background: #fff; color: #24354b; font: 16px/1.5 var(--default-font); }
.vd-registration input:focus, .vd-registration select:focus { outline: 2px solid #0059d6; outline-offset: 1px; }
.vd-registration-center { padding: 12px; margin: 16px 0 0; border-radius: 8px; background: #eef5ff; font-size: 14px; }
.vd-registration-status { margin: 14px 0; font-size: 14px; line-height: 1.6; color: #8c3810; }
.vd-registration-status:empty { display: none; }
.vd-registration-submit { width: 100%; margin-top: 16px; padding: 13px; border: 0; border-radius: 8px; background: #0044b0; color: #fff; font-weight: 700; }
.vd-registration button:disabled { opacity: .6; cursor: wait; }
@media (max-width: 991px) { .main-menu .header-contact-box { flex-wrap: wrap; gap: 16px; } }
@media (max-width: 575px) {
  dialog.vd-registration { padding: 20px; }
  .vd-registration h2 { font-size: 22px; }
  .vd-social-actions { left: 4px; gap: 8px; }
  .vd-social-actions a { width: 38px; height: 38px; font-size: 11px; }
}