/**
 * Trang chủ Khả Văn — hero full-width + badge float
 */

/* Container dùng chung hero / stats */
.kv-hero__container {
  width: 100%;
  max-width: 80rem;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

@media (min-width: 640px) {
  .kv-hero__container {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

@media (min-width: 1024px) {
  .kv-hero__container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

/* Full bleed — tràn sát mép màn hình */
.kv-hero-band {
  position: relative;
  width: 100%;
  max-width: 100vw;
  overflow: visible;
}

.kv-hero--fullbanner {
  position: relative;
  width: 100%;
  min-height: clamp(24rem, 58vw, 38rem);
  overflow: visible;
  color: #fff;
}

.kv-hero--fullbanner::after {
  display: none;
}

.kv-hero--fullbanner .kv-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background: var(--kv-green-dark);
}

.kv-hero__bg-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 58% center;
}

.kv-hero--fullbanner .kv-hero__overlay--banner {
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(0, 45, 25, 0.82) 0%, rgba(0, 55, 32, 0.45) 36%, rgba(0, 70, 40, 0.08) 55%, transparent 72%),
    linear-gradient(180deg, rgba(0, 30, 18, 0.2) 0%, transparent 45%, rgba(0, 40, 22, 0.1) 100%);
  pointer-events: none;
}

.kv-hero--fullbanner .kv-hero__inner {
  position: relative;
  z-index: 2;
  padding-top: 5rem;
  padding-bottom: 5.5rem;
}

.kv-hero__content {
  max-width: 42rem;
}

.kv-hero__title {
  text-wrap: balance;
  overflow: visible;
}

.kv-hero__title .text-kv-yellow,
.kv-hero__title .kv-fx-shimmer {
  display: inline;
  color: var(--kv-yellow) !important;
  -webkit-text-fill-color: var(--kv-yellow) !important;
}

/* Badge trong hero — hàng ngang dưới CTA */
.kv-hero-badges--inline {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.55rem;
  margin-top: 1.35rem;
  max-width: 100%;
  width: 100%;
}

@media (min-width: 640px) {
  .kv-hero-badges--inline {
    grid-template-columns: repeat(4, 1fr);
    gap: 0.65rem;
  }
}

.kv-hero-badges--inline .kv-hero-badge {
  position: relative;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.85);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
  border-radius: 14px;
  padding: 0.7rem 0.8rem;
  min-height: 0;
}

.kv-hero-badges--inline .kv-hero-badge__text {
  min-width: 0;
}

.kv-hero-badges--inline .kv-hero-badge__icon {
  width: 2.35rem;
  height: 2.35rem;
  font-size: 1.2rem;
}

.kv-hero-badges--inline .kv-hero-badge__title {
  font-size: 0.8125rem;
  font-weight: 800;
  line-height: 1.25;
  word-break: break-word;
}

.kv-hero-badges--inline .kv-hero-badge__strong {
  font-size: 1rem;
  font-weight: 900;
}

.kv-hero-badges--inline .kv-hero-badge__sub {
  font-size: 0.72rem;
  font-weight: 600;
}

/* Badge nổi — legacy */
.kv-hero-badges-float {
  position: relative;
  z-index: 20;
  margin-top: -2.25rem;
  pointer-events: none;
}

.kv-hero-badges-float .kv-hero-badges {
  pointer-events: auto;
}

.kv-hero-badges--banner {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.65rem;
  width: 100%;
  max-width: 100%;
  margin-left: 0;
}

@media (min-width: 768px) {
  .kv-hero-badges--banner {
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
  }
}

@media (min-width: 1024px) {
  .kv-hero-badges--banner {
    grid-template-columns: repeat(4, 1fr);
    max-width: 100%;
    margin-left: 0;
  }
}

.kv-hero-badge {
  box-shadow: 0 10px 28px rgba(6, 73, 45, 0.14);
}

/* Stats — không cần chừa badge float */
.kv-hero-band + .kv-stats-wrap {
  position: relative;
  z-index: 15;
  margin-top: 0;
  padding-top: 2rem;
  padding-bottom: 0.75rem;
  background: #fff;
}

@media (min-width: 768px) {
  .kv-hero-band + .kv-stats-wrap {
    padding-top: 3.25rem;
  }
}

@media (max-width: 767px) {
  .kv-hero--fullbanner {
    min-height: clamp(26rem, 118vw, 36rem);
  }

  .kv-hero__bg-img {
    object-position: 72% top;
  }

  .kv-hero--fullbanner .kv-hero__overlay--banner {
    background:
      linear-gradient(180deg, rgba(0, 45, 25, 0.88) 0%, rgba(0, 55, 32, 0.62) 50%, rgba(0, 70, 40, 0.28) 100%);
  }

  .kv-hero--fullbanner .kv-hero__inner {
    padding-top: 4.25rem;
    padding-bottom: 4.75rem;
  }

  .kv-hero-badges-float {
    margin-top: -1.75rem;
  }

  .kv-hero-band + .kv-stats-wrap {
    padding-top: 2.25rem;
  }
}

@media (min-width: 1024px) {
  .kv-hero--fullbanner .kv-hero__inner {
    padding-top: 6rem;
    padding-bottom: 6.5rem;
  }

  .kv-hero-badges-float {
    margin-top: -2.75rem;
  }
}

/* Header full width */
.kv-site-header {
  width: 100%;
  max-width: 100%;
}

/* Panel trắng — thay Tailwind arbitrary */
.kv-panel {
  background: #fff;
  border: 1px solid var(--kv-border);
  border-radius: var(--kv-radius);
  box-shadow: var(--kv-shadow);
  padding: 1.35rem 1.25rem;
}

/* Proof — tách block rõ ràng */
.kv-proof {
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 1024px) {
  .kv-proof {
    grid-template-columns: 1fr 1.8fr;
    gap: 3rem;
    align-items: start;
  }
}

.kv-proof__why-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--kv-green);
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.kv-proof__why-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.kv-teacher-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .kv-teacher-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.kv-proof__head {
  text-align: center;
  margin-bottom: 1.25rem;
}

.kv-proof__head h2 {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--kv-green);
}

/* Testimonials */
.kv-testimonials-band {
  margin-top: 3rem;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(11, 110, 62, 0.12);
}

.kv-testimonials-band__title {
  text-align: center;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--kv-green);
  margin: 0 0 1.5rem;
}

.kv-testimonial-grid {
  display: grid;
  gap: 1.15rem;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .kv-testimonial-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.kv-testimonial-card {
  background: #fff;
  border: 1px solid var(--kv-border);
  border-radius: var(--kv-radius);
  padding: 1.25rem;
  box-shadow: 0 8px 24px rgba(6, 73, 45, 0.07);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: transform 0.3s, box-shadow 0.3s;
}

.kv-testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 36px rgba(6, 73, 45, 0.12);
}

.kv-testimonial-card__top {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.kv-testimonial-card__top img {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--kv-green-soft);
  flex-shrink: 0;
}

.kv-testimonial-card__top strong {
  display: block;
  font-size: 0.8125rem;
  font-weight: 800;
  color: var(--kv-green);
}

.kv-testimonial-card p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--kv-text);
  flex: 1;
}

.kv-testimonial-card .kv-stars {
  margin-top: auto;
}

/* Process — gọn */
.kv-process-card__head {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  margin-bottom: 1rem;
}

.kv-process-card__step {
  font-size: 0.6875rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  color: var(--kv-yellow);
  background: var(--kv-green);
  padding: 0.25rem 0.55rem;
  border-radius: 6px;
  line-height: 1;
}

.kv-process-card__icon {
  width: 2.75rem;
  height: 2.75rem;
  margin: 0;
  border-radius: 12px;
  background: var(--kv-green-soft);
  color: var(--kv-green);
  display: grid;
  place-items: center;
  font-size: 1.35rem;
}

.kv-process-card__num {
  display: none;
}

@media (min-width: 1100px) {
  .kv-process-card:not(:last-child)::after {
    top: 2.5rem;
  }
}

.kv-hero-badge__title {
  display: block;
  font-weight: 800;
  color: var(--kv-text);
}

.kv-teacher-card__role {
  margin: 0.25rem 0 0;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--kv-muted);
}

.kv-teacher-card__bio {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.75rem;
  text-align: left;
  color: var(--kv-text);
  line-height: 1.45;
}

.kv-teacher-card__link {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--kv-green);
}

.kv-contact__desc {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.9);
}

.kv-contact__grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .kv-contact__grid {
    grid-template-columns: 1fr 1fr 1.1fr;
  }
}

.kv-contact__img {
  border-radius: var(--kv-radius);
  width: 100%;
  object-fit: cover;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25);
  max-height: 20rem;
}

.kv-contact__copy h2 {
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  font-weight: 800;
  line-height: 1.25;
  margin: 0.35rem 0 0;
  color: #fff;
}

.kv-path-card {
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}

.kv-path-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(6, 73, 45, 0.12);
  border-color: rgba(255, 198, 23, 0.4);
}

.kv-section + .kv-section {
  border-top: none;
}

.kv-commit-section {
  margin: 0;
}

/* Cinematic motion layer for the home index */
body.kv-home {
  --kv-cinema-ease: cubic-bezier(0.16, 1, 0.3, 1);
  --kv-cinema-shadow: 0 28px 80px rgba(0, 45, 24, 0.18);
}

.kv-scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1205;
  height: 3px;
  pointer-events: none;
  background: transparent;
}

.kv-scroll-progress span {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  background: linear-gradient(90deg, #42d08b, var(--kv-yellow), #f7fff9);
  box-shadow: 0 0 18px rgba(255, 198, 23, 0.42);
}

body.kv-home .kv-site-header {
  position: fixed !important;
  top: 0.85rem !important;
  left: 50%;
  right: auto;
  width: min(78rem, calc(100% - 1.5rem));
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 18px;
  transform: translateX(-50%);
  background: rgba(0, 69, 38, 0.68) !important;
  color: #fff;
  box-shadow: 0 20px 58px rgba(0, 35, 20, 0.2);
  backdrop-filter: blur(18px) saturate(1.2);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
  transition:
    top 0.35s var(--kv-cinema-ease),
    width 0.35s var(--kv-cinema-ease),
    color 0.35s var(--kv-cinema-ease),
    background 0.35s var(--kv-cinema-ease),
    box-shadow 0.35s var(--kv-cinema-ease),
    border-color 0.35s var(--kv-cinema-ease);
}

body.kv-home .kv-site-header.is-scrolled {
  top: 0.45rem !important;
  width: min(72rem, calc(100% - 1.5rem));
  color: var(--kv-text);
  border-color: rgba(6, 73, 45, 0.12);
  background: rgba(255, 255, 255, 0.9) !important;
  box-shadow: 0 18px 52px rgba(0, 45, 24, 0.14);
}

body.kv-home .kv-site-header.is-scrolled .kv-desktop-nav a:not(.text-kv-yellow) {
  color: var(--kv-text);
}

body.kv-home .kv-site-header.is-scrolled .kv-desktop-cta {
  box-shadow: 0 12px 28px rgba(6, 73, 45, 0.15);
}

body.kv-home .kv-hero--fullbanner {
  min-height: clamp(38rem, 100dvh, 58rem);
  overflow: hidden;
  background:
    radial-gradient(circle at 64% 42%, rgba(66, 208, 139, 0.42), transparent 32%),
    radial-gradient(circle at 82% 18%, rgba(255, 198, 23, 0.24), transparent 28%),
    linear-gradient(135deg, #001a0e 0%, #004526 48%, #073d2a 100%);
}

body.kv-home .kv-hero--fullbanner::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.16;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.16) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(90deg, #000 0%, transparent 74%);
  -webkit-mask-image: linear-gradient(90deg, #000 0%, transparent 74%);
}

body.kv-home .kv-hero--fullbanner .kv-hero__bg {
  transform: translate3d(var(--kv-hero-bg-x, 0px), var(--kv-hero-bg-y, 0px), 0) scale(var(--kv-hero-bg-scale, 1.02));
  transition: transform 0.08s linear;
  will-change: transform;
}

body.kv-home .kv-hero__bg-img {
  filter: saturate(1.06) contrast(1.03);
  transform: scale(1.02);
  transform-origin: center;
}

body.kv-home .kv-hero--fullbanner .kv-hero__overlay--banner {
  background:
    linear-gradient(90deg, rgba(0, 35, 20, 0.9) 0%, rgba(0, 55, 32, 0.62) 34%, rgba(0, 70, 40, 0.18) 58%, transparent 76%),
    radial-gradient(circle at 25% 50%, rgba(255, 198, 23, 0.16), transparent 38%),
    linear-gradient(180deg, rgba(0, 22, 12, 0.28) 0%, transparent 44%, rgba(0, 40, 22, 0.18) 100%);
}

body.kv-home .kv-hero--fullbanner .kv-hero__inner {
  min-height: inherit;
  display: flex;
  align-items: center;
  padding-top: 7rem;
  padding-bottom: 7.5rem;
}

body.kv-home .kv-hero__content {
  position: relative;
  z-index: 5;
  max-width: min(40rem, 52vw);
  transform: translate3d(var(--kv-hero-copy-x, 0px), var(--kv-hero-copy-y, 0px), 0);
  will-change: transform;
}

body.kv-home .kv-hero__title {
  font-size: clamp(2.45rem, 4.45vw, 4.1rem);
  line-height: 1.03;
  letter-spacing: -0.055em;
  max-width: 12.6ch;
}

body.kv-home .kv-hero__lead {
  max-width: 36rem;
  color: rgba(247, 255, 249, 0.84);
}

body.kv-home .kv-hero__actions {
  gap: 0.85rem;
}

body.kv-home .kv-hero-badges--inline {
  max-width: 40rem;
  isolation: isolate;
  perspective: 900px;
}

body.kv-home .kv-hero-badges--inline .kv-hero-badge {
  transform-origin: 50% 78%;
  will-change: transform, box-shadow, filter;
  animation: kv-home-badge-dance 4.8s ease-in-out infinite;
  animation-delay: calc(var(--kv-float-i, 0) * -0.52s);
}

body.kv-home .kv-hero-badges--inline .kv-hero-badge::before {
  content: "";
  position: absolute;
  inset: -45% -70%;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(112deg, transparent 38%, rgba(255, 255, 255, 0.74) 49%, transparent 61%),
    radial-gradient(circle at 50% 50%, rgba(255, 198, 23, 0.16), transparent 42%);
  opacity: 0;
  transform: translate3d(-58%, 0, 0) rotate(8deg);
  animation: kv-home-badge-shimmer 5.6s ease-in-out infinite;
  animation-delay: calc(var(--kv-float-i, 0) * -0.82s);
}

body.kv-home .kv-hero-badges--inline .kv-hero-badge > * {
  position: relative;
  z-index: 1;
}

body.kv-home .kv-hero-badges--inline .kv-hero-badge:nth-child(1) { --kv-float-i: 1; }
body.kv-home .kv-hero-badges--inline .kv-hero-badge:nth-child(2) { --kv-float-i: 2; }
body.kv-home .kv-hero-badges--inline .kv-hero-badge:nth-child(3) { --kv-float-i: 3; }
body.kv-home .kv-hero-badges--inline .kv-hero-badge:nth-child(4) { --kv-float-i: 4; }

@keyframes kv-home-badge-dance {
  0%, 100% {
    filter: saturate(1);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
    transform: translate3d(0, 0, 0) scale(1) rotateX(0deg);
  }
  50% {
    filter: saturate(1.08);
    box-shadow:
      0 14px 34px rgba(0, 0, 0, 0.2),
      0 0 22px rgba(255, 198, 23, 0.2);
    transform: translate3d(0, -12px, 18px) scale(1.025) rotateX(2deg);
  }
}

@keyframes kv-home-badge-shimmer {
  0%, 36% {
    opacity: 0;
    transform: translate3d(-58%, 0, 0) rotate(8deg);
  }
  48% {
    opacity: 0.9;
  }
  62%, 100% {
    opacity: 0;
    transform: translate3d(58%, 0, 0) rotate(8deg);
  }
}

body.kv-home .kv-english-3d {
  transform: translate3d(var(--kv-hero-visual-x, 0px), var(--kv-hero-visual-y, 0px), 0) rotate(var(--kv-hero-visual-r, 0deg));
  transform-origin: 74% 50%;
  transition: transform 0.08s linear;
  will-change: transform;
}

body.kv-home .kv-hero-motion-stage {
  position: absolute;
  top: 50%;
  right: max(2.2vw, calc((100% - 82rem) / 2));
  z-index: 4;
  width: min(31.5rem, 38vw);
  aspect-ratio: 1;
  transform:
    translate3d(var(--kv-stage-x, 0px), calc(-48% + var(--kv-stage-y, 0px)), 0)
    rotate(var(--kv-stage-r, 0deg));
  transform-origin: 50% 50%;
  pointer-events: none;
  perspective: 1100px;
  will-change: transform;
}

body.kv-home .kv-motion-live-card {
  position: absolute;
  inset: 11%;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: 34px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(229, 255, 239, 0.9)),
    radial-gradient(circle at 78% 10%, rgba(255, 198, 23, 0.24), transparent 34%);
  box-shadow:
    0 50px 110px rgba(0, 20, 12, 0.42),
    inset 0 1px 0 rgba(255, 255, 255, 0.85);
  transform: rotateY(-8deg) rotateX(4deg);
  transform-style: preserve-3d;
  animation: kv-motion-card-enter 1.25s var(--kv-cinema-ease) 0.22s both;
}

body.kv-home .kv-motion-live-card__top,
body.kv-home .kv-motion-live-card__bottom {
  position: absolute;
  left: 1.15rem;
  right: 1.15rem;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--kv-green-dark);
  font-size: 0.62rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

body.kv-home .kv-motion-live-card__top {
  top: 1rem;
}

body.kv-home .kv-motion-live-card__top b {
  width: 0.58rem;
  height: 0.58rem;
  border-radius: 999px;
  background: #ff5f57;
  box-shadow: 0 0 0 0 rgba(255, 95, 87, 0.6);
  animation: kv-motion-live-dot 1.45s ease-in-out infinite;
}

body.kv-home .kv-motion-live-card__bottom {
  bottom: 1rem;
  padding: 0.82rem 1rem;
  border-radius: 16px;
  color: #fff;
  letter-spacing: 0;
  background: rgba(0, 45, 26, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

body.kv-home .kv-motion-live-card__bottom strong {
  color: var(--kv-yellow);
}

body.kv-home .kv-motion-board {
  position: absolute;
  inset: 13% 7% 14%;
  border-radius: 30px;
  background:
    radial-gradient(circle at 50% 46%, rgba(66, 208, 139, 0.2), transparent 42%),
    linear-gradient(180deg, #dff8ee 0%, #f7fff9 100%);
}

body.kv-home .kv-motion-board::before {
  content: "";
  position: absolute;
  inset: 12% 9%;
  border-radius: 24px;
  background:
    linear-gradient(90deg, rgba(10, 107, 61, 0.12) 1px, transparent 1px),
    linear-gradient(rgba(10, 107, 61, 0.12) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(circle at center, #000, transparent 72%);
  -webkit-mask-image: radial-gradient(circle at center, #000, transparent 72%);
}

body.kv-home .kv-motion-board__globe {
  position: absolute;
  left: 50%;
  top: 49%;
  width: 42%;
  aspect-ratio: 1;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background:
    radial-gradient(circle at 34% 27%, #fff 0 10%, transparent 11%),
    conic-gradient(from 20deg, var(--kv-yellow), #42d08b, #0a6b3d, var(--kv-yellow));
  box-shadow:
    0 18px 48px rgba(6, 73, 45, 0.2),
    inset 0 0 0 12px rgba(255, 255, 255, 0.44);
  animation: kv-motion-globe 9s linear infinite;
}

body.kv-home .kv-motion-board__line {
  position: absolute;
  left: 20%;
  right: 20%;
  height: 0.72rem;
  border-radius: 999px;
  background: rgba(10, 107, 61, 0.14);
}

body.kv-home .kv-motion-board__line--one {
  top: 24%;
  right: 36%;
}

body.kv-home .kv-motion-board__line--two {
  top: 68%;
  left: 34%;
}

body.kv-home .kv-motion-board__line--three {
  top: 76%;
  right: 32%;
}

body.kv-home .kv-motion-board__chip {
  position: absolute;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  min-width: 4.8rem;
  min-height: 2.1rem;
  padding: 0 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.74);
  border-radius: 13px;
  color: var(--kv-green-dark);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 16px 34px rgba(0, 45, 24, 0.16);
  font-size: 0.72rem;
  font-weight: 900;
}

body.kv-home .kv-motion-board__chip--one {
  left: 11%;
  bottom: 26%;
  animation: kv-motion-float-soft 4.6s ease-in-out infinite;
}

body.kv-home .kv-motion-board__chip--two {
  right: 10%;
  top: 26%;
  animation: kv-motion-float-soft 5.1s ease-in-out -1.2s infinite;
}

body.kv-home .kv-motion-orbit {
  position: absolute;
  border: 1px solid rgba(247, 255, 249, 0.24);
  border-radius: 50%;
  box-shadow: inset 0 0 32px rgba(255, 255, 255, 0.06);
}

body.kv-home .kv-motion-orbit::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--kv-yellow);
  box-shadow: 0 0 26px rgba(255, 198, 23, 0.8);
}

body.kv-home .kv-motion-orbit--one {
  inset: 4%;
  animation: kv-motion-spin 19s linear infinite;
}

body.kv-home .kv-motion-orbit--two {
  inset: -3%;
  border-style: dashed;
  opacity: 0.72;
  animation: kv-motion-spin 27s linear reverse infinite;
}

body.kv-home .kv-motion-letter {
  position: absolute;
  z-index: 1;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 20px;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.09);
  box-shadow:
    inset 0 0 24px rgba(255, 255, 255, 0.05),
    0 18px 38px rgba(0, 30, 18, 0.18);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-size: 1.45rem;
  font-weight: 900;
  animation: kv-motion-float-strong 5.2s ease-in-out infinite;
  animation-delay: calc(var(--kv-stage-float-delay, 0) * -0.4s);
}

body.kv-home .kv-motion-letter--en {
  left: 3%;
  top: 22%;
  width: 4.2rem;
  height: 4.2rem;
  transform: rotate(-11deg);
  --kv-stage-float-delay: 1;
}

body.kv-home .kv-motion-letter--zh {
  left: 45%;
  top: 7%;
  width: 4.8rem;
  height: 4.8rem;
  transform: rotate(7deg);
  --kv-stage-float-delay: 2;
}

body.kv-home .kv-motion-letter--jp {
  left: 46%;
  bottom: 9%;
  width: 3.9rem;
  height: 3.9rem;
  transform: rotate(-7deg);
  --kv-stage-float-delay: 3;
}

body.kv-home .kv-motion-letter--ko {
  right: 0;
  top: 31%;
  width: 4.35rem;
  height: 4.35rem;
  transform: rotate(9deg);
  --kv-stage-float-delay: 4;
}

body.kv-home .kv-motion-mini,
body.kv-home .kv-motion-speech {
  position: absolute;
  z-index: 7;
  border: 1px solid rgba(255, 255, 255, 0.84);
  color: var(--kv-green-dark);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 24px 60px rgba(0, 25, 16, 0.26);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  animation: kv-motion-float-strong 4.8s ease-in-out infinite;
}

body.kv-home .kv-motion-mini {
  display: block;
  overflow: hidden;
  width: 7.9rem;
  min-height: 4rem;
  padding: 0;
  border-radius: 18px;
}

body.kv-home .kv-motion-mini .kv-motion-frame > span {
  width: 2.25rem;
  height: 2.25rem;
  display: grid;
  place-items: center;
  border-radius: 12px;
  color: #06492d;
  background: var(--kv-yellow);
  font-size: 1.1rem;
}

body.kv-home .kv-motion-mini small,
body.kv-home .kv-motion-speech span {
  display: block;
  color: rgba(0, 69, 38, 0.58);
  font-size: 0.62rem;
  font-weight: 800;
}

body.kv-home .kv-motion-mini strong {
  display: block;
  margin-top: 0.08rem;
  font-size: 0.94rem;
  font-weight: 900;
}

body.kv-home .kv-motion-mini--score {
  left: -5%;
  top: 22%;
  animation-delay: -0.8s;
}

body.kv-home .kv-motion-mini--lesson {
  right: -3%;
  bottom: 18%;
  animation-delay: -1.5s;
}

body.kv-home .kv-motion-speech {
  right: 8%;
  top: 10%;
  overflow: hidden;
  width: 6.1rem;
  min-height: 4.15rem;
  padding: 0;
  border-radius: 16px 16px 5px 16px;
  transform: rotate(5deg);
  animation-delay: -2s;
}

body.kv-home .kv-motion-frame {
  opacity: 0;
  pointer-events: none;
  transform: translate3d(0, 48%, 0) scale(0.9);
  transition:
    opacity 0.46s var(--kv-cinema-ease),
    transform 0.46s var(--kv-cinema-ease);
}

body.kv-home .kv-motion-frame.is-active {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
}

body.kv-home .kv-motion-letter .kv-motion-frame,
body.kv-home .kv-motion-board__chip .kv-motion-frame {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
}

body.kv-home .kv-motion-mini .kv-motion-frame {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  gap: 0.78rem;
  padding: 0.72rem 0.9rem;
}

body.kv-home .kv-motion-speech .kv-motion-frame {
  position: absolute;
  inset: 0;
  padding: 0.75rem 1rem;
}

body.kv-home .kv-motion-rotator > .kv-motion-frame:first-child:nth-last-child(2) {
  animation: kv-motion-frame-first var(--kv-motion-cycle-ms, 6400ms) var(--kv-cinema-ease) infinite;
}

body.kv-home .kv-motion-rotator > .kv-motion-frame:first-child:nth-last-child(2) ~ .kv-motion-frame {
  animation: kv-motion-frame-second var(--kv-motion-cycle-ms, 6400ms) var(--kv-cinema-ease) infinite;
}

body.kv-home .kv-motion-speech strong {
  display: block;
  color: var(--kv-green);
  font-size: 1rem;
  font-weight: 900;
}

@keyframes kv-motion-card-enter {
  from {
    opacity: 0;
    transform: translate3d(56px, 24px, 0) scale(0.88) rotateY(-2deg) rotateX(0);
  }
  to {
    opacity: 1;
    transform: rotateY(-8deg) rotateX(4deg);
  }
}

@keyframes kv-motion-spin {
  to { transform: rotate(360deg); }
}

@keyframes kv-motion-live-dot {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(255, 95, 87, 0.58);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(255, 95, 87, 0);
  }
}

@keyframes kv-motion-globe {
  to { rotate: 360deg; }
}

@keyframes kv-motion-frame-first {
  0%, 43%, 100% {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
  }
  50%, 93% {
    opacity: 0;
    transform: translate3d(0, -48%, 0) scale(0.9);
  }
}

@keyframes kv-motion-frame-second {
  0%, 43%, 100% {
    opacity: 0;
    transform: translate3d(0, 48%, 0) scale(0.9);
  }
  50%, 93% {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
  }
}

@keyframes kv-motion-float-soft {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -9px; }
}

@keyframes kv-motion-float-strong {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -13px; }
}

body.kv-home .kv-stats-wrap {
  background:
    radial-gradient(circle at 15% 0%, rgba(255, 198, 23, 0.08), transparent 30%),
    #fff;
}

body.kv-home .kv-stats {
  border-radius: 18px;
  box-shadow:
    0 18px 58px rgba(6, 73, 45, 0.11),
    inset 0 1px 0 rgba(255, 255, 255, 0.86);
}

body.kv-home [data-kv-process-timeline] {
  overflow: visible;
}

body.kv-home .kv-process-grid {
  position: relative;
}

body.kv-home .kv-process-trackline {
  display: none;
}

body.kv-home .kv-process-card {
  z-index: 1;
}

body.kv-home .kv-process-card__step {
  transition:
    color 0.35s var(--kv-cinema-ease),
    background 0.35s var(--kv-cinema-ease),
    box-shadow 0.35s var(--kv-cinema-ease),
    transform 0.35s var(--kv-cinema-ease);
}

body.kv-home .kv-process-card.is-timeline-active .kv-process-card__step {
  color: #06492d;
  background: var(--kv-yellow);
  box-shadow: 0 0 0 8px rgba(255, 198, 23, 0.16), 0 0 28px rgba(255, 198, 23, 0.28);
  transform: translateY(-2px);
}

@media (min-width: 1100px) {
  body.kv-home .kv-process-trackline {
    position: absolute;
    top: 2.62rem;
    left: 9%;
    right: 9%;
    z-index: 0;
    display: block;
    height: 3px;
    overflow: hidden;
    border-radius: 999px;
    background: rgba(10, 107, 61, 0.12);
  }

  body.kv-home .kv-process-trackline span {
    display: block;
    width: 100%;
    height: 100%;
    transform: scaleX(0);
    transform-origin: left center;
    background: linear-gradient(90deg, var(--kv-green), #42d08b, var(--kv-yellow));
    box-shadow: 0 0 18px rgba(255, 198, 23, 0.35);
  }
}

@media (max-width: 1023px) {
  body.kv-home .kv-site-header {
    top: 0.6rem !important;
    width: calc(100% - 1rem);
    border-radius: 14px;
  }

  body.kv-home .kv-site-header.is-scrolled {
    top: 0.4rem !important;
    width: calc(100% - 1rem);
  }

  body.kv-home .kv-hero--fullbanner {
    min-height: clamp(34rem, 94dvh, 46rem);
  }

  body.kv-home .kv-hero--fullbanner .kv-hero__inner {
    align-items: flex-end;
    padding-top: 6.5rem;
    padding-bottom: 4.5rem;
  }

  body.kv-home .kv-hero__content {
    max-width: 100%;
  }

  body.kv-home .kv-hero__title {
    max-width: 12ch;
    font-size: clamp(2.15rem, 12vw, 3.55rem);
  }

  body.kv-home .kv-hero-motion-stage {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .kv-scroll-progress span,
  body.kv-home .kv-hero--fullbanner .kv-hero__bg,
  body.kv-home .kv-hero__content,
  body.kv-home .kv-english-3d,
  body.kv-home .kv-motion-orbit,
  body.kv-home .kv-motion-live-card,
  body.kv-home .kv-motion-letter,
  body.kv-home .kv-motion-mini,
  body.kv-home .kv-motion-speech,
  body.kv-home .kv-motion-frame,
  body.kv-home .kv-motion-board__globe,
  body.kv-home .kv-motion-board__chip,
  body.kv-home .kv-hero-badges--inline .kv-hero-badge::before,
  body.kv-home .kv-hero-badges--inline .kv-hero-badge,
  body.kv-home .kv-process-trackline span {
    animation: none !important;
    transition: none !important;
    transform: none !important;
  }
}

/* ── Stats: số đếm "nhảy" có lực — phồng nhẹ khi đang đếm, pop khi xong ── */
body.kv-home .kv-stat__value.is-counting {
  opacity: 1;
  transform: translateY(-2px) scale(1.07);
  text-shadow: 0 6px 18px rgba(10, 107, 61, 0.2);
}

body.kv-home .kv-stat__value.is-done {
  animation: kv-stat-value-pop 0.55s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes kv-stat-value-pop {
  0% { transform: scale(1.07); }
  45% { transform: scale(1.22); color: var(--kv-yellow); }
  100% { transform: scale(1); }
}

/* ── Process: huy hiệu tròn kiểu "mảnh ghép vòng tròn" — bước thứ N tô màu N mảnh ── */
body.kv-home .kv-process-card__head {
  position: relative;
  width: 6.75rem;
  height: 6.75rem;
  margin: 0 auto 1.15rem;
  display: grid;
  place-items: center;
}

/* Vòng mảnh ghép: 4 cung tròn tách khe trắng */
body.kv-home .kv-process-card__head::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  --seg-off: rgba(10, 107, 61, 0.14);
  --seg-1: var(--seg-off);
  --seg-2: var(--seg-off);
  --seg-3: var(--seg-off);
  --seg-4: var(--seg-off);
  background: conic-gradient(
    from -90deg,
    var(--seg-1) 0deg 82deg, transparent 82deg 90deg,
    var(--seg-2) 90deg 172deg, transparent 172deg 180deg,
    var(--seg-3) 180deg 262deg, transparent 262deg 270deg,
    var(--seg-4) 270deg 352deg, transparent 352deg 360deg
  );
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 11px), #000 calc(100% - 10px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 11px), #000 calc(100% - 10px));
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

body.kv-home .kv-process-grid article:nth-of-type(1) .kv-process-card__head::before { --seg-1: var(--kv-green); }
body.kv-home .kv-process-grid article:nth-of-type(2) .kv-process-card__head::before { --seg-1: var(--kv-green); --seg-2: #2e9b54; }
body.kv-home .kv-process-grid article:nth-of-type(3) .kv-process-card__head::before { --seg-1: var(--kv-green); --seg-2: #2e9b54; --seg-3: var(--kv-yellow); }
body.kv-home .kv-process-grid article:nth-of-type(4) .kv-process-card__head::before { --seg-1: var(--kv-green); --seg-2: #2e9b54; --seg-3: var(--kv-yellow); --seg-4: #ff9f4a; }

body.kv-home .kv-process-card__icon {
  width: 4.5rem;
  height: 4.5rem;
  margin: 0;
  border-radius: 50%;
  background: #fff;
  font-size: 1.85rem;
  box-shadow: inset 0 0 0 1px var(--kv-border), 0 8px 22px rgba(6, 73, 45, 0.12);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), background 0.35s ease;
}

body.kv-home .kv-process-card__step {
  position: absolute;
  top: -0.15rem;
  right: -0.35rem;
  z-index: 2;
  border-radius: 999px;
  padding: 0.3rem 0.55rem;
  box-shadow: 0 6px 16px rgba(6, 73, 45, 0.25);
}

/* Rê chuột: thẻ nổi lên + phóng to, vòng mảnh ghép xoay, icon nảy to */
body.kv-home .kv-process-card:hover {
  transform: translateY(-8px) scale(1.05);
}

body.kv-home .kv-process-card:hover .kv-process-card__head::before {
  transform: rotate(90deg);
}

body.kv-home .kv-process-card:hover .kv-process-card__icon {
  transform: scale(1.12);
  background: var(--kv-green-soft);
}

/* Trackline đi qua tâm vòng tròn mới */
@media (min-width: 1100px) {
  body.kv-home .kv-process-trackline {
    top: 5.15rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  body.kv-home .kv-stat__value.is-counting,
  body.kv-home .kv-stat__value.is-done,
  body.kv-home .kv-process-card__head::before,
  body.kv-home .kv-process-card__icon {
    animation: none !important;
    transition: none !important;
    transform: none !important;
  }
}