/* =====================================================
   HOMEPAGE - giong vanthemmo.com
   Font Roboto Vietnamese, mau cam chu dao
   ===================================================== */

/* ===== SECTION TITLES (dùng chung) ===== */
.vt-section-title {
  text-align: center;
  font-weight: 800;
  font-size: 1.85rem;
  color: #ff6b1a;
  margin-bottom: 40px;
  position: relative;
  padding-bottom: 14px;
}
.vt-section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: #ff6b1a;
  border-radius: 2px;
}
.vt-section-title.text-start {
  color: #ff6b1a;
  font-size: 1.6rem;
}
.vt-section-title.text-start::after { left: 0; transform: none; }

/* ===== HERO: VAN THE LA AI ===== */
.vt-hero-about {
  padding: 50px 0;
  background: #fff;
}

.vt-coaching-card {
  background: linear-gradient(180deg, #f7f7f7 0%, #ecebe9 100%);
  border-radius: 24px;
  padding: 28px 26px;
  text-align: center;
  box-shadow: 0 6px 28px rgba(15, 23, 42, .08);
}
.vt-coaching-header {
  font-size: 1.6rem;
  font-weight: 900;
  color: #0a1f44;
  letter-spacing: 3px;
  margin-bottom: 22px;
}
.vt-coaching-avatar {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  margin: 0 auto 18px;
  overflow: hidden;
  border: 6px solid #fff;
  box-shadow: 0 4px 16px rgba(0,0,0,.1);
  background: #fff;
}
.vt-coaching-avatar img {
  width: 100%; height: 100%; object-fit: cover;
}
.vt-coaching-name {
  font-size: 1.4rem;
  font-weight: 800;
  color: #0a1f44;
  letter-spacing: 2px;
  margin-bottom: 14px;
}
.vt-coaching-tag {
  background: #1f6feb;
  color: #fff;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: .88rem;
  line-height: 1.5;
  margin: 0 0 20px;
}
.vt-coaching-btn {
  display: inline-block;
  background: #0a1f44;
  color: #fff;
  text-decoration: none;
  padding: 12px 26px;
  border-radius: 28px;
  font-weight: 700;
  font-size: .9rem;
  transition: all .15s;
}
.vt-coaching-btn:hover {
  background: #ff6b1a;
  color: #fff;
  transform: translateY(-2px);
}

.vt-about-text p {
  color: #1a1a1a;
  line-height: 1.75;
  margin-bottom: 14px;
  font-size: .95rem;
}
.vt-arrow-btn {
  display: inline-flex;
  margin-top: 10px;
  width: 44px; height: 44px;
  background: #ff6b1a;
  color: #fff;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  float: right;
  transition: all .15s;
}
.vt-arrow-btn:hover { background: #e85d10; transform: translateX(4px); color: #fff; }

/* ===== KHOA HOC CUA VAN THE ===== */
.vt-courses-section {
  padding: 60px 0;
  background: #fafbfc;
}

.vt-course-card {
  display: block;
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  box-shadow: 0 4px 16px rgba(15, 23, 42, .07);
  transition: all .2s;
  height: 100%;
}
.vt-course-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(15, 23, 42, .15);
  color: inherit;
}

.vt-course-thumb {
  position: relative;
  aspect-ratio: 5/3;
  overflow: hidden;
  background: #eef0f4;
}
.vt-course-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
}
.vt-no-thumb {
  display: flex; align-items: center; justify-content: center;
  height: 100%; color: #94a3b8; font-size: 3rem;
}

.vt-discount-badge {
  position: absolute;
  top: 12px; left: 12px;
  background: #ef4444;
  color: #fff;
  font-weight: 800;
  font-size: .82rem;
  padding: 4px 10px;
  border-radius: 6px;
  z-index: 2;
}

.vt-course-body {
  padding: 16px 18px 18px;
}
.vt-course-title {
  font-weight: 700;
  color: #1a1a1a;
  font-size: .98rem;
  line-height: 1.4;
  margin-bottom: 8px;
  min-height: 48px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.vt-course-instructor {
  color: #ff6b1a;
  font-size: .85rem;
  font-weight: 500;
  margin-bottom: 6px;
}
.vt-course-rating {
  color: #fbbf24;
  font-size: .85rem;
  margin-bottom: 10px;
}
.vt-course-rating span {
  color: #94a3b8;
  font-size: .78rem;
  margin-left: 5px;
}
.vt-course-price .vt-price-main {
  color: #1f6feb;
  font-weight: 800;
  font-size: 1.1rem;
}
.vt-course-price .vt-price-old {
  color: #94a3b8;
  text-decoration: line-through;
  font-size: .9rem;
  margin-left: 8px;
}

.vt-cta-btn {
  display: inline-block;
  background: #ff6b1a;
  color: #fff;
  text-decoration: none;
  padding: 14px 36px;
  border-radius: 28px;
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: 1px;
  transition: all .15s;
}
.vt-cta-btn:hover { background: #e85d10; color: #fff; transform: translateY(-2px); box-shadow: 0 8px 18px rgba(255,107,26,.3); }

/* ===== CHIA SE HUU ICH ===== */
.vt-share-section {
  padding: 60px 0;
  background: #eef4f7;
}
.vt-video-card {
  position: relative;
  aspect-ratio: 16/9;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 4px 18px rgba(15, 23, 42, .12);
  background: #000;
}
.vt-video-card iframe {
  width: 100%; height: 100%; border: 0;
}
.vt-video-title {
  margin-top: 12px;
  font-weight: 600;
  color: #1a1a1a;
  text-align: center;
  font-size: .92rem;
}

/* ===== TESTIMONIALS ===== */
.vt-testimonial-section {
  padding: 60px 0 80px;
  background: #fff;
}
.vt-testimonial-card {
  background: #fff;
  border: 1px solid #eef0f4;
  border-radius: 14px;
  padding: 26px 22px;
  box-shadow: 0 4px 16px rgba(15, 23, 42, .04);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.vt-quote-icon {
  font-size: 1.8rem;
  color: #ff6b1a;
  line-height: 1;
  margin-bottom: 12px;
}
.vt-testimonial-text {
  color: #334155;
  line-height: 1.7;
  font-size: .92rem;
  flex: 1;
  margin-bottom: 18px;
}
.vt-testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid #eef0f4;
}
.vt-testimonial-avatar {
  width: 46px; height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ff6b1a, #1f6feb);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
  overflow: hidden;
}
.vt-testimonial-avatar img {
  width: 100%; height: 100%; object-fit: cover;
}
.vt-testimonial-info strong {
  display: block;
  color: #1a1a1a;
  font-size: .95rem;
}
.vt-testimonial-info small {
  color: #ff6b1a;
  font-size: .8rem;
}

/* ===== FOOTER DARK ===== */
.vt-footer {
  background: #0a1f44;
  color: #cbd5e1;
  padding: 50px 0 20px;
  margin-top: 0;
}
.vt-footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.vt-footer-brand img {
  width: 40px; height: 40px;
  border-radius: 8px;
}
.vt-footer-brand h5 {
  color: #fff;
  font-weight: 800;
  margin: 0;
  font-size: 1.1rem;
}
.vt-footer h6 {
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.vt-footer-text {
  color: #94a3b8;
  font-size: .88rem;
  line-height: 1.7;
  margin-bottom: 18px;
}
.vt-footer-item {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  color: #cbd5e1;
  text-decoration: none;
  font-size: .9rem;
}
.vt-footer-item:hover { color: #ff6b1a; }
.vt-footer-item i {
  width: 28px; height: 28px;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 6px;
  display: inline-flex; align-items: center; justify-content: center;
  color: #cbd5e1;
  flex-shrink: 0;
}

.vt-footer-social {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}
.vt-footer-social a {
  width: 38px; height: 38px;
  background: #1f6feb;
  color: #fff;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  text-decoration: none;
  transition: all .15s;
}
.vt-footer-social a:hover { background: #ff6b1a; transform: translateY(-2px); }
.vt-footer-social a.fb { background: #1877f2; }
.vt-footer-social a.yt { background: #ff0000; }
.vt-footer-social a.tt { background: #111827; }

.vt-footer-yt-card {
  background: linear-gradient(135deg, #1e3a8a, #1e1b4b);
  border-radius: 12px;
  padding: 14px;
  overflow: hidden;
}
.vt-footer-yt-card img {
  width: 100%;
  border-radius: 8px;
}

.vt-footer-copy {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,.08);
  text-align: center;
  color: #64748b;
  font-size: .85rem;
}

/* Mobile responsive */
@media (max-width: 768px) {
  .vt-section-title { font-size: 1.4rem; margin-bottom: 30px; }
  .vt-coaching-avatar { width: 160px; height: 160px; }
  .vt-coaching-header { font-size: 1.3rem; }
  .vt-coaching-name { font-size: 1.15rem; }
}

/* =====================================================
   V14 HOME FIX - khoi phuc giao dien trang chu giong mau anh
   ===================================================== */
body:not(.admin-body) {
  background: #eef3f6;
}
.main-content {
  background: #eef3f6;
}
.vt-hero-about,
.vt-courses-section,
.vt-share-section,
.vt-testimonial-section {
  background: #eef3f6;
}
.vt-hero-about {
  padding: 54px 0 34px;
}
.vt-hero-about .container,
.vt-courses-section .container,
.vt-share-section .container,
.vt-testimonial-section .container,
.vt-footer .container {
  max-width: 1180px;
}
.vt-coaching-card {
  max-width: 370px;
  margin: 0 auto;
  background: #072947;
  border-radius: 10px;
  padding: 16px 16px 22px;
  box-shadow: 0 8px 20px rgba(15, 23, 42, .18);
}
.vt-coaching-header {
  background: #f8fafc;
  border-radius: 8px 8px 0 0;
  padding: 18px 10px 8px;
  margin: 0;
  color: #0f3b6d;
  font-size: 1.55rem;
  letter-spacing: 1.5px;
}
.vt-coaching-avatar {
  width: 205px;
  height: 205px;
  margin: 10px auto 12px;
  border: 3px solid #1f2937;
  box-shadow: none;
}
.vt-coaching-name {
  background: #f8fafc;
  display: inline-block;
  padding: 7px 28px;
  border-radius: 999px;
  color: #0f3b6d;
  margin-bottom: 10px;
}
.vt-coaching-tag {
  border-radius: 3px;
  background: #0b5ec8;
  font-size: 1rem;
  line-height: 1.25;
  margin-bottom: 18px;
}
.vt-coaching-btn {
  background: #2878ea;
  border-radius: 6px;
  font-weight: 800;
  padding: 11px 22px;
}
.vt-about-text p {
  font-size: 1.03rem;
  line-height: 1.72;
  margin-bottom: 16px;
  text-align: justify;
}
.vt-section-title.text-start {
  font-size: 1.8rem;
  margin-bottom: 18px;
  padding-bottom: 0;
}
.vt-section-title.text-start::after {
  display: none;
}
.vt-courses-section {
  padding: 46px 0 28px;
}
.vt-section-title {
  margin-bottom: 34px;
}
.vt-course-card {
  background: transparent;
  border-radius: 0;
  box-shadow: none;
}
.vt-course-card:hover {
  box-shadow: none;
}
.vt-course-thumb {
  border-radius: 8px;
  aspect-ratio: 16 / 9;
  box-shadow: 0 2px 8px rgba(15,23,42,.10);
}
.vt-course-body {
  padding: 12px 0 8px;
}
.vt-course-title {
  min-height: 42px;
  font-size: .96rem;
  font-weight: 800;
  margin-bottom: 12px;
}
.vt-course-instructor {
  color: #51729b;
  font-size: .86rem;
}
.vt-course-price .vt-price-main {
  color: #1f6feb;
  font-size: 1.05rem;
}
.vt-share-section {
  padding: 32px 0 44px;
}
.vt-video-card {
  border-radius: 6px;
}
.vt-testimonial-section {
  padding: 34px 0 60px;
}
.vt-testimonial-card {
  border-radius: 8px;
  box-shadow: 0 3px 12px rgba(15,23,42,.06);
}
.vt-footer {
  background: #062946;
}

@media (max-width: 991.98px) {
  .vt-hero-about { padding: 28px 0; }
  .vt-hero-about .row { gap: 24px; }
  .vt-coaching-card { max-width: 330px; }
  .vt-about-text p { font-size: .96rem; text-align: left; }
  .vt-section-title.text-start { text-align: center !important; font-size: 1.45rem; }
  .vt-arrow-btn { float: none; margin: 12px auto 0; }
  .vt-courses-section, .vt-share-section, .vt-testimonial-section { padding: 34px 0; }
}
@media (max-width: 575.98px) {
  .vt-coaching-card { max-width: 100%; padding: 14px; }
  .vt-coaching-header { font-size: 1.25rem; }
  .vt-coaching-avatar { width: 165px; height: 165px; }
  .vt-coaching-tag { font-size: .9rem; }
  .vt-course-title { min-height: auto; }
}


/* V27: footer gon lai, bo card YouTube de khong chiem dien tich */
.vt-footer {
  padding: 30px 0 14px;
}
.vt-footer .container {
  max-width: 980px;
}
.vt-footer .row {
  align-items: flex-start;
}
.vt-footer-text {
  font-size: .84rem;
  line-height: 1.65;
  margin-bottom: 0;
}
.vt-footer h6 {
  margin-bottom: 12px;
}
.vt-footer-item {
  margin-bottom: 9px;
}
.vt-footer-social {
  margin-top: 10px;
}
.vt-footer-copy {
  margin-top: 20px;
  padding-top: 14px;
}
@media (max-width: 767.98px) {
  .vt-footer { padding: 24px 0 12px; }
}


/* ===== V62: card giới thiệu gọn, bỏ khung text và bỏ nút trong card ===== */
.vt-coaching-card .vt-coaching-tag {
  background: transparent !important;
  color: #ffffff !important;
  border: 0 !important;
  box-shadow: none !important;
  padding: 4px 8px 0 !important;
  margin: 0 auto !important;
  max-width: 310px !important;
  font-size: 1rem !important;
  line-height: 1.45 !important;
}
.vt-coaching-card {
  padding-bottom: 24px !important;
}
.vt-guide-empty {
  min-height: 360px;
  display: flex;
  align-items: flex-start;
  padding-top: 64px !important;
}


/* V80: footer brand icon always uses square favicon proportion */
.vt-footer-brand img{
  width:42px!important;
  height:42px!important;
  aspect-ratio:1/1!important;
  object-fit:cover!important;
  object-position:center!important;
  border-radius:12px!important;
  background:#fff;
}