/* ────────────────────────────────────
   PREMIUM LIQUID GLASS DESIGN SYSTEM
   ──────────────────────────────────── */

:root {
  /* Dynamic Gradients */
  --lg-bg-1: #ffffff;
  --lg-bg-2: #fcf8f6;
  --lg-bg-3: #fef5f7;
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.65);
  --glass-border: rgba(255, 255, 255, 0.8);
  --glass-shadow: 0 8px 32px 0 rgba(139, 26, 47, 0.05);
  --glass-blur: blur(12px);
  
  /* Accents */
  --accent-gold: #c89b3c;
  --accent-gold-light: rgba(200, 155, 60, 0.15);
  --accent-red: #8B1A2F;
  --accent-red-glow: rgba(139, 26, 47, 0.25);
  
  /* Text */
  --text-dark: #111827;
  --text-muted: #4b5563;
}

/* Base Body Update for Landing */
.vc-lp {
  background: linear-gradient(135deg, var(--lg-bg-1) 0%, var(--lg-bg-2) 50%, var(--lg-bg-3) 100%);
  background-attachment: fixed;
  color: var(--text-dark);
}

/* Animations */
@keyframes float {
  0% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-15px) rotate(2deg); }
  100% { transform: translateY(0px) rotate(0deg); }
}

@keyframes pulse-glow {
  0% { box-shadow: 0 0 0 0 var(--accent-red-glow); }
  70% { box-shadow: 0 0 0 15px rgba(139, 26, 47, 0); }
  100% { box-shadow: 0 0 0 0 rgba(139, 26, 47, 0); }
}

@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes slideUpFade {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal-on-scroll {
  opacity: 0;
  animation: slideUpFade 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* ────────────────────────────────────
   1. HERO SECTION (Premium Update)
   ──────────────────────────────────── */
.vc-hero {
  position: relative;
  background: radial-gradient(circle at 18% 22%, rgba(255,255,255,0.65) 0, rgba(255,255,255,0) 26%),
  radial-gradient(circle at 78% 28%, rgba(187, 95, 77, 0.12) 0, rgba(187, 95, 77, 0) 24%),
  radial-gradient(circle at 82% 78%, rgba(214, 168, 93, 0.14) 0, rgba(214, 168, 93, 0) 26%),
  linear-gradient(135deg, #efe2c8 0%, #ead9ba 45%, #f3e7d2 100%);
  min-height: 85vh;
  display: flex;
  align-items: center;
}
.container{
  max-width: 1220px;
  margin: 0 auto;
  padding: 0.9rem 2rem;
}
.img-gthieu{
  /*aspect-ratio: 4 / 3;*/
  /*object-fit: cover;*/

  transform: scale(1);
  position: absolute;
  left: 0;
  bottom: -265px;
  width: auto;
  z-index: 999; 
  border-radius: 0;
  box-shadow: none !important;
}
.vc-gthieu .col-lg-7 {
  padding: 0 30px;
}
/* Iridescent Mesh Background */
/*.vc-hero::before {
  content: "";
  position: absolute;
  top: -10%; left: 50%;
  width: 80vw; height: 80vw;
  background: radial-gradient(circle, rgba(200,155,60,0.08) 0%, rgba(139,26,47,0.05) 30%, transparent 70%);
  border-radius: 50%;
  transform: translateX(-50%);
  z-index: 0;
  filter: blur(40px);
  animation: float 20s infinite ease-in-out;
}*/
.scroll-wrapper{
  position: relative;
}
.scroll-wrapper .section-content {
  height: 600vh; /* tạo quãng scroll đủ dài */
  position: relative;
  z-index: 1;
  overflow: visible;
  margin: 0 auto
}
.scroll-section {
  position: sticky;
  top: 83px;
  height: 100vh;
}
.css-col-top {
  position: absolute;
  top: 70px;
  left: 0;
}
.info-section {
  visibility: hidden;
  opacity: 0;
  height: 0;
  transition: opacity 0.8s ease;
  overflow: hidden;
  will-change: transform, opacity;
}
.info-section.active {
  visibility: visible;
  height: auto;
  opacity: 1;
  transform: translateZ(0);
}
.layer-column {
  height: 100vh;
  perspective: 1000px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 400px;
}
.layer-column .col-inner {
  position: relative;
  width: 100%;
  display: flex  ;
  justify-content: center;
  align-content: center;
  align-items: center;
  height: 100%;
}
.layer {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, opacity 0.3s ease;
  opacity: 1;
}
.layer-1 {
  z-index: 3;
  transform: rotate(7deg);
}
.layer-2 {
  z-index: 2;
  transform: rotate(-7deg);
}
.layer-3 {
  z-index: 1;
  transform: rotate(7deg);
}
.scroll-column {
  height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.scroll-column .col-inner {
  max-width: 2px;
  height: 100%;
  background: #ADADAB;
  border-radius: 5px;
  position: relative;
}
.scroll-labels {
  height: 100%;
  margin: -17px -10px;
  font-size: 10px;
  color: #000;
  font-weight: 700;
}
.vs1 .scroll-labels {
  color: #ED6976;
}
.scroll-fill {
  width: 100%;
  background: #FA9B91;
  height: 0%;
  position: absolute;
  bottom: 0;
  border-radius: 5px;
  transition: height 0.1s;
}
.vs1 .btn-num, .vs1 .scroll-fill {
  background-color: #ED6976 !important;
  background: #ED6976 !important;
}
.total-step {
    margin: 33px -7px;
    font-size: 10px;
    color: #000;
    font-weight: 700;
}
@media (max-width: 1024px) {
  .vc-hero__inner {
      display: flex;
  }
  .layer {
    width: 65% !important;
    height: auto !important;
    border-radius: 20px !important;
    left: 15%;
}
.layer-column {
  align-items: flex-end !important;
  height: 300px !important;
  padding: 0 !important;
  width: 100%;
}
.vc-hero::before{
  right: 0;
}
.vc-hero::after{
  width: 100%!important;
    height: max-content;
    left: 0!important;
    top: 0;
}
.scroll-section {
  flex-wrap: wrap;
  gap: 0 !important;;
}
span.vc-hero__eyebrow {
  margin-bottom: 5px;
}
.vc-lp p {
  margin: 5px 0 15px 0;
}
.vc-hero__inner {
  padding: 10px 20px 56px;
}
.vc-hero__actions,.vc-hero__highlights{
  display: none;
}
.scroll-column {
  align-items: flex-start !important;
  top: 0%;
  right: 15px;
  height: 300px !important;
}
.layer-column {
  max-width: calc(100% - 50px);
  margin: 0 auto;
}
.vc-courses::before {
  inset: 24px 10px;
}
.vc-why {
  padding: 50px 28px;
}
.vc-cta-banner {
  padding: 30px 20px;
}
.vc-cta-banner{
  margin: 20px;
}
}







.info-section {
  opacity: 0;
  transform: translateY(40px);
  transition: all 1.2s ease;
}
.info-section.active {
  opacity: 1;
  transform: translateY(0);
}
.vc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 12% 70%, rgba(255, 255, 255, 0.28) 0 2px, transparent 2px) 0 0 / 26px 26px, radial-gradient(circle at 70% 18%, rgba(255, 255, 255, 0.16) 0 1.5px, transparent 1.5px) 0 0 / 22px 22px;
  opacity: 0.18;
}
.vc-hero::after {
  content: "";
  position: absolute;
  width: 560px;
  height: 560px;
  left: -140px;
  top: 120px;
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.42) 0%, rgba(255, 255, 255, 0.08) 42%, rgba(255, 255, 255, 0) 72%);
  filter: blur(12px);
}
.vc-hero__inner {
  z-index: 1;
  max-width: 1300px;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.vc-hero__text {
  padding-right: 20px;
}

.vc-hero__eyebrow {
  display: inline-block;
  padding: 6px 16px;
  background: #ffffffcc;
  border: 1px solid rgba(200, 155, 60, 0.3);
  border-radius: 999px;
  color: var(--accent-gold);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 24px;
  backdrop-filter: blur(4px);
}

.vc-hero__title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 5vw, 4.2rem);
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.vc-hero__title em {
  font-style: italic;
  background: linear-gradient(135deg, var(--accent-red), #c89b3c);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.vc-hero__sub {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-muted);
  margin-bottom: 40px;
  max-width: 500px;
  font-weight: 400;
}

.vc-hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--accent-red);
  color: #fff;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  padding: 16px 36px;
  border-radius: 999px;
  box-shadow: 0 10px 30px var(--accent-red-glow);
  transition: all 300ms cubic-bezier(0.16, 1, 0.3, 1);
  animation: pulse-glow 3s infinite;
}

.vc-hero__cta:hover {
  background: var(--vc-red-dark);
  transform: translateY(-4px);
  box-shadow: 0 15px 40px rgba(139, 26, 47, 0.4);
}

.vc-hero__img-col {
  /*position: relative;
  height: 600px;*/
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

/* Glassmorphism Frame for Image */
.vc-hero__img-frame {
  position: relative;
  width: 100%;
  max-width: 420px;
  height: 560px;
  border-radius: 30px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  padding: 12px;
  transform: rotate(2deg);
  transition: transform 500ms;
}

.vc-hero__img-frame:hover {
  transform: rotate(0deg) scale(1.02);
}

.vc-hero__img {
  width: 80%;
  height: auto;
  object-fit: cover;
  border-radius: 20px;
  padding: 10px;
  background: #fff;
}

.vc-hero__pill {
  position: absolute;
  bottom: 30px;
  left: -40px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  padding: 12px 24px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.08);
  transform: translateY(0);
  animation: float 6s infinite ease-in-out reverse;
}

/* ────────────────────────────────────
   2. STATS BAR (Floating Glass)
   ──────────────────────────────────── */
.vc-stats-bar {
  background: transparent;
  padding: 0 28px;
  margin-top: -60px;
  position: relative;
  z-index: 10;
}

.vc-stats-bar__inner {
  max-width: 1100px;
  margin: 0 auto;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 30px 40px;
  box-shadow: var(--glass-shadow);
  display: flex;
  justify-content: space-between;
}

.vc-stats-bar__num {
  color: var(--accent-red);
  background: linear-gradient(135deg, var(--accent-red), #c89b3c);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.vc-stats-bar__label {
  color: var(--text-muted);
}

.vc-stats-bar__sep {
  background: rgba(139, 26, 47, 0.1);
}

/* ────────────────────────────────────
   3. WHY CHOOSE US (Premium Cards)
   ──────────────────────────────────── */
.vc-why {
  background: transparent;
  padding: 120px 28px;
}

.vc-section-eyebrow {
  color: var(--accent-gold);
}

.vc-why-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 40px 32px;
  box-shadow: var(--glass-shadow);
}

.vc-why-card::before {
  background: linear-gradient(90deg, var(--accent-gold), var(--accent-red));
  height: 4px;
}

.vc-why-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 30px 60px rgba(139, 26, 47, 0.1);
  background: rgba(255, 255, 255, 0.9);
}

.vc-why-card__icon {
  background: transparent;
  border: 1px solid rgba(139, 26, 47, 0.1);
  box-shadow: inset 0 0 20px rgba(139, 26, 47, 0.05);
}

/* ────────────────────────────────────
   4. COURSES (Glass Cards)
   ──────────────────────────────────── */
.vc-courses {
  background: transparent;
}

.vc-course-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
}

.vc-course-card:hover {
  box-shadow: 0 30px 60px rgba(139, 26, 47, 0.1);
  transform: translateY(-8px);
}

.vc-course-card__img {
  border-radius: 20px 20px 0 0;
  margin: 4px 4px 0 4px;
}

/* ────────────────────────────────────
   5. CTA BANNER (Animated Gradient)
   ──────────────────────────────────── */
.vc-cta-banner {
  background: linear-gradient(-45deg, #8B1A2F, #5c0f1e, #c89b3c, #8B1A2F);
  background-size: 400% 400%;
  animation: gradient-shift 15s ease infinite;
  border-radius: 30px;
  margin: 80px 28px;
  box-shadow: 0 30px 60px rgba(139, 26, 47, 0.3);
}

.vc-cta-banner.reveal-on-scroll {
  animation: slideUpFade 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards, gradient-shift 15s ease infinite;
}

/* Responsive Overrides */
@media (max-width: 1024px) {
  .vc-hero__inner { grid-template-columns: 1fr; text-align: center; }
  .vc-hero__text { padding-right: 0; }
  .vc-hero__img-frame { transform: none; margin: 0 auto; }
  .vc-hero__pill { left: 50%; transform: translateX(-50%) !important; bottom: -20px; animation: none; }
  .vc-stats-bar { margin-top: 40px; }
}

 
  @media (max-device-width: 480px) {
    .img-gthieu{
      position: relative;
      border-radius: 0;
      box-shadow: none !important;
    }
  }