@charset "UTF-8";
.vx-about {
  background: #030303;
  color: #fff;
  font-family: var(--vx-font);
  overflow: hidden;
  position: relative; }

.vx-about img {
  max-width: 100%; }

.vx-sr-only {
  border: 0;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  white-space: nowrap;
  width: 1px; }

/* ---- Heading ---- */
.vx-about-heading {
  align-items: center;
  display: flex;
  flex-direction: column;
  text-align: center;
  width: 100%; }

.vx-about-heading__sub {
  color: #fff;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: .5px;
  line-height: 1.4;
  margin: 0;
  text-transform: uppercase; }

.vx-about-heading__main {
  align-items: center;
  display: flex;
  gap: 40px;
  justify-content: center; }

.vx-about-heading__mark {
  display: block;
  height: 45px;
  object-fit: contain;
  width: 132px; }

.vx-about-heading__title {
  background: linear-gradient(76deg, #fdda7a 4%, #fbfae0 25%, #fdda7a 52%, #be8a35 74%, #fdda7a 104%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: 60px;
  font-weight: 700;
  letter-spacing: -.6px;
  line-height: 1.1;
  margin: 0;
  white-space: nowrap; }

/* ---- Banner ---- */
.vx-about-banner {
  height: 800px;
  overflow: hidden;
  position: relative; }

.vx-about-banner__bg {
  height: 100%;
  left: 0;
  object-fit: cover;
  position: absolute;
  top: 0;
  width: 100%; }

.vx-about-banner::before {
  background: rgba(0, 0, 0, 0.4);
  content: "";
  inset: 0;
  position: absolute;
  z-index: 1; }

.vx-about-banner::after {
  background: linear-gradient(0deg, #000 0%, transparent 100%);
  bottom: 0;
  content: "";
  height: 182px;
  left: 0;
  position: absolute;
  width: 100%;
  z-index: 1; }

.vx-about-banner__inner {
  align-items: center;
  display: flex;
  height: 100%;
  justify-content: center;
  position: relative;
  z-index: 2; }

.vx-about-banner__title {
  color: #fff;
  font-size: 48px;
  font-weight: 700;
  margin: 0;
  text-align: center; }

.vx-about-banner__title-sr {
  border: 0;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  white-space: nowrap;
  width: 1px; }

/* ---- Breadcrumb ---- */
.vx-about-breadcrumb {
  background: #030303;
  padding: 8px 0 0;
  position: relative;
  z-index: 3; }

.vx-about-breadcrumb ul {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0; }

.vx-about-breadcrumb a, .vx-about-breadcrumb span {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  text-decoration: none; }

@media (hover: hover) {
  .vx-about-breadcrumb a:hover {
    color: var(--vx-gold); } }

.vx-about-breadcrumb li:last-child span {
  color: #fff; }

/* ---- Câu chuyện ---- */
.vx-about-story {
  padding: 80px 0;
  position: relative; }

.vx-about-story__bokeh {
  pointer-events: none;
  position: absolute;
  z-index: 0; }

.vx-about-story__bokeh--1 {
  right: 0;
  top: -23px;
  width: 800px; }

.vx-about-story__bokeh--2 {
  left: 0;
  top: 30%;
  width: 800px; }

.vx-about-story .vx-container {
  position: relative;
  z-index: 1; }

.vx-about-story__media {
  border-radius: 21px;
  margin: 40px 0 56px;
  overflow: hidden;
  width: 100%; }

.vx-about-story__media img, .vx-about-story__media video {
  aspect-ratio: 1272/714;
  display: block;
  height: auto;
  object-fit: cover;
  width: 100%; }

.vx-about-story__text {
  display: flex;
  flex-direction: column;
  gap: 26px;
  margin: 0 auto;
  max-width: 844px; }

.vx-about-story__text p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 18px;
  line-height: 1.5;
  margin: 0; }

.vx-about-story__text strong {
  color: #fff;
  font-weight: 700; }

/* ---- Góc nhìn chuyên gia ---- */
.vx-about-experts {
  padding: 80px 0;
  position: relative; }

/* Desktop slider: grid 2x2, hiện mặc định */
.vx-about-experts__slider--desktop {
  display: block;
  margin-top: 40px;
  overflow: hidden;
  width: 100%; }

.vx-about-experts__slider--desktop .swiper-slide {
  box-sizing: border-box;
  height: auto; }

/* Grid 2×2: auto-rows: 1fr đảm bảo 2 card cùng hàng luôn bằng nhau */
.vx-about-experts__grid {
  display: grid;
  gap: 20px;
  grid-auto-rows: 1fr;
  grid-template-columns: repeat(2, 1fr); }

/* Card phải chiếm full chiều cao ô grid */
.vx-about-experts__grid .vx-expert-card {
  height: 100%; }

/* Mobile slider: ẩn mặc định, JS bật khi <768 */
.vx-about-experts__slider--mobile {
  display: none;
  margin-top: 40px;
  overflow: hidden;
  width: 100%; }

.vx-about-experts__slider--mobile .swiper-slide {
  box-sizing: border-box;
  height: auto; }

/* Mobile card: ảnh full width trên, body dưới */
.vx-about-experts__slider--mobile .swiper-slide {
  display: flex;
  flex-direction: column; }

.vx-about-experts__slider--mobile .vx-expert-card {
  display: flex;
  flex: 1;
  flex-direction: column !important;
  gap: 0 !important;
  height: 100%;
  overflow: hidden;
  padding: 0 !important;
  border-radius: 13.324px; }

.vx-about-experts__slider--mobile .vx-expert-card__avatar {
  aspect-ratio: 1/1;
  flex-shrink: 0 !important;
  height: auto !important;
  position: relative;
  width: 100% !important; }

.vx-about-experts__slider--mobile .vx-expert-card__cup {
  height: 130% !important;
  left: 50% !important;
  top: -15% !important;
  transform: translateX(-50%) rotate(-0.16deg) !important;
  width: 110% !important; }

.vx-about-experts__slider--mobile .vx-expert-card__photo {
  height: 100% !important;
  left: 0 !important;
  object-fit: contain !important;
  object-position: bottom center !important;
  position: absolute !important;
  top: 0 !important;
  width: 100% !important;
  z-index: 1 !important; }

.vx-about-experts__slider--mobile .vx-expert-card__body {
  padding: 20px 16px 24px !important;
  flex: 1;
  justify-content: space-between !important; }

.vx-about-experts__slider--mobile .vx-expert-card__divider {
  width: 100% !important; }

/* Nav + pagination */
.vx-experts__nav {
  align-items: center;
  display: flex;
  gap: 24px;
  justify-content: center;
  margin-top: 32px; }

.vx-experts__nav .vx-slider-btn {
  flex: 0 0 48px !important; }

.vx-experts__pagination {
  align-items: center;
  display: flex;
  flex: 0 1 auto;
  gap: 8px;
  justify-content: center;
  min-width: 60px; }

.vx-about .vx-experts__pagination .swiper-pagination-bullet {
  background: rgba(255, 255, 255, 0.35);
  border-radius: 50%;
  display: block;
  height: 8px;
  margin: 0;
  opacity: 1;
  transition: background .25s ease, width .25s ease;
  width: 8px; }

.vx-about .vx-experts__pagination .swiper-pagination-bullet-active {
  background: var(--vx-gold);
  border-radius: 4px;
  width: 24px; }

/* ---- Expert card base (desktop) ---- */
.vx-expert-card {
  -webkit-backdrop-filter: blur(13.324px);
  backdrop-filter: blur(13.324px);
  background: rgba(255, 255, 255, 0.1);
  border: 1.666px solid rgba(255, 255, 255, 0.2);
  border-radius: 13.324px;
  display: flex;
  flex-direction: row;
  gap: 17.065px;
  padding: 17.065px;
  align-items: stretch; }

.vx-expert-card__avatar {
  background: radial-gradient(at 54.08% 107.87%, #fbfae0 0%, #fdda7a 39.42%, #be8a35 100%);
  border-radius: 6.826px;
  flex-shrink: 0;
  height: 341px;
  overflow: hidden;
  position: relative;
  width: 256px; }

.vx-expert-card__cup {
  height: 587px;
  left: 25px;
  max-width: none;
  object-fit: cover;
  opacity: .3;
  pointer-events: none;
  position: absolute;
  top: -40px;
  transform: rotate(-0.16deg);
  width: 458px;
  z-index: 0; }

.vx-expert-card__photo {
  height: 100%;
  left: 0;
  max-width: none;
  object-fit: cover;
  object-position: top center;
  position: absolute;
  top: 0;
  width: 100%;
  z-index: 1; }

.vx-expert-card__body {
  align-items: flex-start;
  align-self: stretch;
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 17px;
  justify-content: space-between;
  min-width: 0; }

.vx-expert-card__quote-icon {
  flex-shrink: 0;
  height: 53px;
  width: 58px; }

.vx-expert-card__quote {
  color: #fff;
  font-size: 18px;
  font-weight: 400;
  letter-spacing: -.18px;
  line-height: 1.4;
  margin: 0;
  word-break: break-word; }

.vx-expert-card__divider {
  background: linear-gradient(90deg, rgba(253, 218, 122, 0.8) 0%, rgba(253, 218, 122, 0.1) 100%);
  border: 0;
  flex-shrink: 0;
  height: 1px;
  margin: 0;
  width: 295.5px; }

.vx-expert-card__name {
  background: linear-gradient(181.44deg, #fdda7a 7.82%, #fbfae0 35.2%, #fdda7a 60.29%, #be8a35 81.72%, #fdda7a 109.46%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -.18px;
  line-height: 1.4;
  margin: 0 0 4px;
  max-width: 314px; }

.vx-expert-card__org {
  color: #fff;
  font-size: 14px;
  letter-spacing: -.14px;
  line-height: 1.4;
  margin: 0;
  max-width: 314px; }

/* ---- Sự ra đời ---- */
.vx-about-origin {
  padding: 80px 0;
  position: relative; }

.vx-about-origin__watermark {
  left: 50%;
  opacity: .2;
  pointer-events: none;
  position: absolute;
  top: 200px;
  transform: translateX(-50%);
  width: 1154px;
  z-index: 0; }

.vx-about-origin .vx-container {
  position: relative;
  z-index: 1; }

.vx-about-origin__rows {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 40px; }

.vx-origin-row {
  align-items: center;
  display: grid;
  gap: 96px;
  grid-template-columns: 638px 1fr;
  padding: 40px 0; }

.vx-origin-row--reverse {
  grid-template-columns: 1fr 638px; }

.vx-origin-row__media {
  aspect-ratio: 1/1;
  border-radius: 0 100px;
  overflow: hidden;
  width: 100%; }

.vx-origin-row__media img {
  height: 100%;
  object-fit: cover;
  width: 100%; }

.vx-origin-row__sub {
  color: rgba(255, 255, 255, 0.7);
  font-size: 18px;
  line-height: 1.5;
  margin: 0 0 8px;
  text-transform: uppercase; }

.vx-origin-row__title {
  color: #fff;
  font-size: 32px;
  font-weight: 700;
  line-height: 1.5;
  margin: 0 0 24px; }

.vx-origin-row__desc {
  color: rgba(255, 255, 255, 0.7);
  font-size: 18px;
  line-height: 1.5;
  margin: 0; }

/* ---- Sứ mệnh / Tầm nhìn / Giá trị ---- */
.vx-about-vision {
  padding: 80px 0; }

.vx-vision-row {
  border-top: 1px solid rgba(255, 255, 255, 0.5);
  height: 382px;
  overflow: hidden;
  position: relative; }

.vx-vision-row:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.5); }

.vx-vision-row__big {
  color: #fff;
  font-size: 100px;
  font-weight: 700;
  left: 10px;
  line-height: 1.5;
  margin: 0;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  transition: opacity .5s ease, transform .5s ease;
  white-space: nowrap;
  z-index: 2; }

.vx-vision-row__detail {
  align-items: center;
  display: flex;
  gap: 128px;
  height: 100%;
  justify-content: space-between;
  opacity: 0;
  padding-left: 118px;
  transform: translateY(20px);
  transition: opacity .5s ease, transform .5s ease; }

.vx-vision-row--reverse .vx-vision-row__detail {
  flex-direction: row-reverse;
  padding-left: 0;
  padding-right: 118px; }

.vx-vision-row__text {
  color: #fff;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  gap: 14px;
  max-width: 512px; }

.vx-vision-row__text h3 {
  color: #fff;
  font-size: 32px;
  font-weight: 700;
  line-height: 1.5;
  margin: 0; }

.vx-vision-row__text p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 18px;
  line-height: 1.5;
  margin: 0; }

.vx-vision-row__text strong {
  color: #fff;
  font-weight: 700; }

.vx-vision-row__media {
  border-radius: 8px;
  flex: 0 1 628px;
  height: 353px;
  min-width: 0;
  overflow: hidden; }

.vx-vision-row__media img {
  height: 100%;
  object-fit: cover;
  width: 100%; }

@media (hover: hover) {
  .vx-vision-row:hover .vx-vision-row__big {
    opacity: 0;
    transform: translateY(-180%); }
  .vx-vision-row:hover .vx-vision-row__detail {
    opacity: 1;
    transform: translateY(0); } }

.vx-vision-row:focus-within .vx-vision-row__big {
  opacity: 0;
  transform: translateY(-180%); }

.vx-vision-row:focus-within .vx-vision-row__detail {
  opacity: 1;
  transform: translateY(0); }

.vx-vision-row:focus-visible {
  outline: 2px solid rgba(253, 218, 122, 0.6);
  outline-offset: -2px; }

/* ---- Cột mốc (History slider) ---- */
.vx-about-history {
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  padding: 80px 0;
  position: relative; }

.vx-about-history__track {
  margin-top: 40px;
  position: relative; }

.vx-about-history__line {
  background: linear-gradient(90deg, rgba(253, 218, 122, 0.45), rgba(253, 218, 122, 0.75) 50%, rgba(253, 218, 122, 0.45));
  height: 1px;
  left: 0;
  position: absolute;
  right: 0;
  top: 264px;
  z-index: 1; }

.vx-about-history .swiper {
  overflow: visible; }

.vx-history-card {
  color: #fff;
  width: 412px; }

.vx-history-card__img {
  border-radius: 8px;
  aspect-ratio: 16/9;
  height: auto;
  margin-bottom: 24px;
  overflow: hidden;
  width: 100%; }

.vx-history-card__img img {
  height: 100%;
  object-fit: cover;
  width: 100%; }

.vx-history-card__dot {
  background: #fffdf6;
  border-radius: 8.5px;
  box-sizing: border-box;
  height: 17px;
  margin-bottom: 24px;
  overflow: hidden;
  padding: 1px;
  width: 17px; }

.vx-history-card__dot svg {
  display: block;
  height: 100%;
  width: 100%; }

.vx-history-card__year {
  background: linear-gradient(76deg, #fdda7a 4%, #fbfae0 25%, #fdda7a 52%, #be8a35 74%, #fdda7a 104%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: 32px;
  font-weight: 700;
  line-height: 1.5;
  margin: 0; }

.vx-history-card__title {
  color: #fff;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -.24px;
  line-height: 1;
  margin: 4px 0 0; }

.vx-history-card__sep {
  background: rgba(255, 255, 255, 0.2);
  border: 0;
  height: 1px;
  margin: 18px 0; }

.vx-history-card__desc {
  display: flex;
  flex-direction: column;
  gap: 8px; }

.vx-history-card__desc p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 16px;
  letter-spacing: -.16px;
  line-height: 1.4;
  margin: 0; }

.vx-about-history .swiper-slide {
  height: auto;
  width: auto; }

.vx-about-history .vx-participants__nav {
  align-items: center;
  display: none;
  gap: 16px;
  justify-content: center;
  margin-top: 40px; }

/* ---- Đơn vị dự thi — Slider centered (Figma: 761×428px cards) ---- */
.vx-about-participants {
  background: #000;
  overflow: hidden;
  padding: 0;
  position: relative;
  min-height: 749px; }

/* Heading: chữ trắng (không gradient) */
.vx-about-participants__heading {
  left: 50%;
  position: absolute;
  top: 20px;
  transform: translateX(-50%);
  width: 100%;
  z-index: 5; }

.vx-about-participants__title {
  color: #fff;
  font-size: 60px;
  font-weight: 700;
  letter-spacing: -.6px;
  line-height: 1.2;
  margin: 0;
  text-align: center;
  white-space: nowrap; }

.vx-about-heading--white .vx-about-heading__main {
  gap: 40px; }

/* Slider wrap — absolute center, top 175px */
.vx-participants__slider-wrap {
  left: 50%;
  position: absolute;
  top: 175px;
  transform: translateX(-50%);
  width: 100%;
  z-index: 2; }

.vx-participant-slider {
  overflow: hidden;
  width: 100%; }

.vx-participant-slider .swiper-slide {
  height: 428px;
  width: 761px; }

/* Card: nền trắng, padding 23px 41px, NO border-radius (Figma: 0) */
.vx-participant-card {
  align-items: center;
  background: #fff;
  border-radius: 0;
  display: flex;
  height: 100%;
  justify-content: center;
  overflow: hidden;
  padding: 23px 41px; }

.vx-participant-card img {
  display: block;
  height: 100%;
  object-fit: contain;
  width: 100%; }

/* Curve top/bottom: CSS ellipse giả lập Figma PNG */
.vx-participants__curve {
  background: #000;
  border-radius: 50%;
  height: 193px;
  left: 50%;
  pointer-events: none;
  position: absolute;
  transform: translateX(-50%);
  width: 2221px;
  z-index: 3; }

.vx-participants__curve--top {
  top: 20px; }

.vx-participants__curve--bottom {
  top: 560px; }

/* Nav vị trí — dùng chung vx-slider-btn style */
.vx-participants__nav {
  align-items: center;
  display: flex;
  gap: 40px;
  justify-content: center;
  left: 50%;
  position: absolute;
  top: 624px;
  transform: translateX(-50%);
  width: 140px;
  z-index: 5; }

@media (hover: hover) {
  .vx-participants__btn:hover {
    background: rgba(255, 255, 255, 0.15); } }

.vx-participants__btn.swiper-button-disabled {
  cursor: default;
  opacity: .35; }

/* Responsive ≤991 */
@media (max-width: 991.98px) {
  .vx-about-participants {
    min-height: auto;
    padding: 48px 0 80px; }
  .vx-about-participants__heading {
    position: static;
    padding: 0 15px 32px;
    transform: none; }
  .vx-about-participants__title {
    font-size: 40px;
    white-space: normal; }
  .vx-participants__slider-wrap {
    position: relative;
    top: auto;
    left: auto;
    transform: none; }
  .vx-participant-slider .swiper-slide {
    height: auto;
    aspect-ratio: 761/428;
    width: 70%; }
  .vx-participant-card {
    padding: 16px 24px; }
  .vx-participants__curve {
    display: none; }
  .vx-participants__nav {
    left: auto;
    margin: 32px auto 0;
    position: static;
    top: auto;
    transform: none;
    gap: 16px; } }

@media (max-width: 767.98px) {
  .vx-about-participants__title {
    font-size: 32px !important;
    white-space: normal; }
  .vx-participant-slider .swiper-slide {
    width: 80%; } }

@media (max-width: 575.98px) {
  .vx-about-participants__title {
    font-size: 22px !important;
    white-space: normal; }
  .vx-participant-slider .swiper-slide {
    width: 85%; }
  .vx-participants__btn {
    flex: 0 0 40px;
    height: 40px;
    width: 40px; } }

/* Tắt animation khi prefers-reduced-motion — marquee đã bỏ, không cần */
/* ---- Đơn vị tổ chức ---- */
.vx-about-organizers {
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  padding: 40px 0;
  position: relative; }

.vx-about-organizers__panel {
  border-radius: 16px;
  overflow: hidden;
  width: 100%; }

.vx-about-organizers__panel img {
  display: block;
  height: auto;
  width: 100%; }

/* ---- Slider nav chung ---- */
.vx-about .vx-slider-btn {
  align-items: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(253, 218, 122, 0.5);
  border-radius: 50%;
  box-sizing: border-box;
  color: var(--vx-gold);
  cursor: pointer;
  display: flex;
  flex: 0 0 48px;
  height: 48px;
  justify-content: center;
  padding: 0;
  transition: background .25s ease, color .25s ease, border-color .25s ease;
  width: 48px; }

@media (hover: hover) {
  .vx-about .vx-slider-btn:hover {
    background: linear-gradient(76deg, #fdda7a, #be8a35);
    border-color: transparent;
    color: #670707; } }

.vx-about .vx-slider-btn.swiper-button-disabled {
  cursor: default;
  opacity: .35; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (min-width: 1200px) and (max-width: 1599.98px) {
  .vx-about-story, .vx-about-experts, .vx-about-origin, .vx-about-vision, .vx-about-history {
    padding: 64px 0; }
  .vx-origin-row, .vx-origin-row--reverse {
    gap: 80px; }
  .vx-expert-card__avatar {
    height: 280px;
    width: 210px; }
  .vx-expert-card__cup {
    height: 480px;
    left: -56px;
    top: -30px;
    width: 375px; } }

@media (max-width: 1199.98px) {
  .vx-about-banner {
    height: 560px; }
  .vx-about-banner__title {
    font-size: 36px; }
  .vx-about-heading__title {
    font-size: 48px;
    white-space: normal; }
  .vx-about-heading__mark {
    height: 38px;
    width: 110px; }
  .vx-about-heading__main {
    gap: 24px; }
  .vx-about-story, .vx-about-experts, .vx-about-origin, .vx-about-vision, .vx-about-history {
    padding: 60px 0; }
  .vx-expert-card {
    gap: 12px;
    padding: 12px; }
  .vx-expert-card__avatar {
    height: 240px;
    width: 180px; }
  .vx-expert-card__cup {
    height: 420px;
    left: -56px;
    top: -25px;
    width: 330px; }
  .vx-expert-card__quote {
    font-size: 16px; }
  .vx-expert-card__divider {
    width: 100%; }
  .vx-origin-row, .vx-origin-row--reverse {
    gap: 40px;
    grid-template-columns: 1fr 1fr; }
  .vx-origin-row__title {
    font-size: 28px; }
  .vx-vision-row__big {
    font-size: 64px; }
  .vx-vision-row__detail {
    gap: 48px; }
  .vx-vision-row__media {
    height: 260px; }
  .vx-vision-row__text h3 {
    font-size: 28px; }
  .vx-vision-row__text {
    width: auto; }
  .vx-history-card {
    width: 360px; }
  .vx-history-card__year {
    font-size: 30px; }
  .vx-about-participants__title {
    font-size: 48px; } }

@media (max-width: 991.98px) {
  .vx-about-banner {
    height: 440px; }
  .vx-about-banner__title {
    font-size: 32px; }
  /* Đồng bộ với trang chủ: .vx-heading h2 ≤991 = 36px */
  .vx-about-heading__title {
    font-size: 36px;
    white-space: normal; }
  .vx-about-heading__mark {
    display: none; }
  .vx-about-story, .vx-about-experts, .vx-about-origin, .vx-about-vision, .vx-about-history {
    padding: 48px 0; }
  /* Expert desktop grid — 1 col khi ≤991 */
  .vx-about-experts__grid {
    grid-template-columns: 1fr; }
  .vx-expert-card {
    gap: 14px;
    padding: 14px; }
  .vx-expert-card__avatar {
    height: 260px;
    width: 196px; }
  .vx-expert-card__cup {
    height: 440px;
    left: -54px;
    top: -20px;
    width: 348px; }
  .vx-expert-card__photo {
    height: 100%;
    width: 100%; }
  .vx-expert-card__quote {
    font-size: 16px; }
  .vx-expert-card__divider {
    width: 100%; }
  /* Origin */
  .vx-origin-row, .vx-origin-row--reverse {
    gap: 28px;
    grid-template-columns: 1fr; }
  .vx-origin-row--reverse .vx-origin-row__media {
    order: -1; }
  .vx-origin-row__media {
    margin: 0 auto;
    max-width: 560px; }
  .vx-origin-row__title {
    font-size: 24px; }
  .vx-about-origin__watermark {
    width: 90%; }
  /* Vision — luôn hiện trên touch */
  .vx-vision-row {
    height: auto;
    padding: 32px 0; }
  .vx-vision-row__big {
    display: none; }
  .vx-vision-row__detail,
  .vx-vision-row--reverse .vx-vision-row__detail {
    flex-direction: column;
    gap: 24px;
    opacity: 1;
    padding: 0;
    transform: none;
    transition: none; }
  .vx-vision-row__media {
    flex: none;
    height: 220px;
    width: 100%; }
  .vx-vision-row__text {
    width: 100%; }
  .vx-vision-row__text h3 {
    font-size: 24px; }
  /* History */
  .vx-about-history__line {
    display: none; }
  .vx-history-card {
    width: 300px; } }

@media (max-width: 767.98px) {
  /* Đồng bộ trang chủ: heading ≤767 = 28px, body text 15px */
  .vx-about-heading__title {
    font-size: 28px;
    white-space: normal; }
  .vx-about-banner__title {
    font-size: 28px; }
  .vx-about-story__text p, .vx-origin-row__sub, .vx-origin-row__desc, .vx-vision-row__text p {
    font-size: 15px; }
  /* History: đồng bộ time-card trang chủ: year 28px, title 22px */
  .vx-history-card__year {
    font-size: 28px; }
  .vx-history-card__title {
    font-size: 22px; }
  .vx-history-card__desc p {
    font-size: 14px; }
  /* Expert card */
  .vx-expert-card__quote {
    font-size: 16px; }
  .vx-expert-card__name {
    font-size: 16px; }
  .vx-expert-card__quote-icon {
    height: 33px;
    width: 36px; }
  /* Origin, Vision */
  .vx-origin-row__title {
    font-size: 20px; }
  .vx-vision-row__text h3 {
    font-size: 20px; } }

@media (max-width: 575.98px) {
  .vx-about-banner {
    height: 340px; }
  .vx-about-banner__title {
    font-size: 22px; }
  .vx-about-heading__title {
    font-size: 24px;
    white-space: normal; }
  .vx-about-story, .vx-about-experts, .vx-about-origin, .vx-about-vision, .vx-about-history {
    padding: 40px 0; }
  .vx-history-card {
    width: 260px; }
  .vx-history-card__year {
    font-size: 24px; }
  .vx-history-card__title {
    font-size: 18px; }
  .vx-about .vx-slider-btn {
    flex: 0 0 40px;
    height: 40px;
    width: 40px; }
  .vx-experts__nav .vx-slider-btn {
    flex: 0 0 40px !important; } }

/* ============================================================
   HIỆU ỨNG — Scroll-reveal, Shimmer, Stagger, History line
   Tất cả tắt hoàn toàn khi prefers-reduced-motion
   ============================================================ */
@media (prefers-reduced-motion: no-preference) {
  /* ---- A. Scroll-reveal base ---- */
  .vx-about-heading,
  .vx-about-story__media,
  .vx-about-story__text p,
  .vx-expert-card,
  .vx-origin-row,
  .vx-vision-row,
  .vx-history-card,
  .vx-about-organizers__panel {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity .55s ease, transform .55s ease; }
  /* Reveal khi JS thêm is-visible */
  .vx-about-heading.is-visible,
  .vx-about-story__media.is-visible,
  .vx-about-story__text p.is-visible,
  .vx-expert-card.is-visible,
  .vx-origin-row.is-visible,
  .vx-vision-row.is-visible,
  .vx-history-card.is-visible,
  .vx-about-organizers__panel.is-visible {
    opacity: 1;
    transform: translateY(0); }
  /* ---- C. Stagger — story paragraphs delay nhau ---- */
  .vx-about-story__text p:nth-child(1) {
    transition-delay: 0s; }
  .vx-about-story__text p:nth-child(2) {
    transition-delay: .12s; }
  .vx-about-story__text p:nth-child(3) {
    transition-delay: .24s; }
  /* ---- Stagger — expert cards ---- */
  .vx-about-experts__grid .vx-expert-card:nth-child(1) {
    transition-delay: 0s; }
  .vx-about-experts__grid .vx-expert-card:nth-child(2) {
    transition-delay: .1s; }
  .vx-about-experts__grid .vx-expert-card:nth-child(3) {
    transition-delay: .2s; }
  .vx-about-experts__grid .vx-expert-card:nth-child(4) {
    transition-delay: .3s; }
  /* ---- Stagger — origin rows ---- */
  .vx-about-origin__rows .vx-origin-row:nth-child(1) {
    transition-delay: 0s; }
  .vx-about-origin__rows .vx-origin-row:nth-child(2) {
    transition-delay: .15s; }
  /* ---- Stagger — history cards ---- */
  .vx-about-history .vx-history-card:nth-child(1) {
    transition-delay: 0s; }
  .vx-about-history .vx-history-card:nth-child(2) {
    transition-delay: .08s; }
  .vx-about-history .vx-history-card:nth-child(3) {
    transition-delay: .16s; }
  .vx-about-history .vx-history-card:nth-child(4) {
    transition-delay: .24s; }
  .vx-about-history .vx-history-card:nth-child(n+5) {
    transition-delay: .32s; }
  /* ---- B. Heading shimmer — gradient sweep khi vào viewport ---- */
  @keyframes vx-shimmer {
    0% {
      background-position: -200% center; }
    100% {
      background-position: 200% center; } }
  .vx-about-heading__title {
    background-size: 200% auto;
    opacity: 0;
    transition: opacity .6s ease .1s; }
  .vx-about-heading.is-visible .vx-about-heading__title {
    animation: vx-shimmer 2.4s linear 1 forwards;
    opacity: 1; }
  /* ---- D. History line draw — JS set width từ 0, CSS chỉ giữ state ---- */
  .vx-about-history__line {
    will-change: width; }
  /* ---- Banner fade-in riêng (nhanh hơn, không delay) ---- */
  .vx-about-banner {
    opacity: 0;
    transition: opacity .8s ease; }
  .vx-about-banner.is-visible {
    opacity: 1; } }