@charset "UTF-8";
.header {
  width: 100%;
  transition: all 0.3s ease;
  z-index: 1000;
  border-bottom: 1px solid #DAE1ED;
}

/* Trạng thái khi ghim lên Top */
.header.is-sticky {
  position: fixed;
  top: 0;
  left: 0;
  background: #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  animation: slideDown 0.4s ease-out;
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
  }
  to {
    transform: translateY(0);
  }
}
.header .header__wrap .main-nav .main-nav__list .main-nav__item .main-nav__link.main-nav__link--active .main-nav__icon {
  transform: rotate(-135deg);
  margin-top: 4px;
}

.header {
  background: #fff;
  padding: 12px 0;
}
.header .header__wrap {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.header .header__wrap .logo {
  position: relative;
  display: flex;
  justify-content: left;
  align-items: center;
  gap: 15px;
}
.header .header__wrap .logo .logo-left {
  border-right: 2px solid black;
  padding-right: 15px;
}
.header .header__wrap .logo .logo__header {
  width: 150px !important;
  -o-object-fit: cover;
     object-fit: cover;
}
.header .header__wrap .logo svg {
  width: 150px !important;
}
.header .header__wrap .logo .logo-text {
  position: absolute;
  bottom: -5px;
  right: 0;
  font-size: 13px;
  z-index: 999;
  letter-spacing: -0.3px;
  color: #0a0a0a;
}
@media (max-width: 575px) {
  .header .header__wrap .logo .logo-text {
    font-size: 10px !important;
  }
  .header .header__wrap .logo .logo__header, .header .header__wrap .logo svg {
    width: 105px !important;
  }
}
.header .header__wrap .header-right-wrap {
  display: flex;
  align-items: center;
  justify-content: right;
  gap: 15px;
}
.header .header__wrap .header-right-wrap .lang-btn span {
  font-size: 11px;
  line-height: 120%;
  letter-spacing: -0.03px;
  font-weight: 500;
  white-space: nowrap;
}
@media (max-width: 575px) {
  .header .header__wrap .header-right-wrap {
    flex-direction: column;
    gap: 0px;
  }
  .header .header__wrap .header-right-wrap .lang-btn span {
    white-space: wrap;
  }
}
.header .header__wrap .main-nav {
  width: 100%;
}
.header .header__wrap .main-nav .main-nav__list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.header .header__wrap .main-nav .main-nav__list .main-nav__item {
  list-style: none;
  position: relative;
}
.header .header__wrap .main-nav .main-nav__list .main-nav__item::before {
  content: "";
  position: absolute;
  display: block;
  height: 20px;
  width: 100%;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 100;
}
.header .header__wrap .main-nav .main-nav__list .main-nav__item .main-nav__link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 100%;
  width: -moz-max-content;
  width: max-content;
  text-decoration: none;
  color: #061020;
  font-size: 14px;
  font-weight: 400;
  line-height: 19.6px;
  letter-spacing: -0.28px;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
}
.header .header__wrap .main-nav .main-nav__list .main-nav__item .main-nav__link--active {
  color: var(--color-border-active);
  background: rgba(0, 92, 247, 0.1607843137);
}
.header .header__wrap .main-nav .main-nav__list .main-nav__item .main-nav__link:hover {
  background: rgba(0, 92, 247, 0.1607843137);
  color: #005CF7;
}
.header .header__wrap .main-nav .main-nav__list .main-nav__item .main-nav__link .main-nav__icon {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  margin-top: -2px;
  transform-origin: center;
  transition: transform 0.2s ease;
}
.header .header__wrap .main-nav .main-nav__list .main-nav__item .main-nav__link:hover .main-nav__icon {
  transform: rotate(-135deg);
  margin-top: 4px;
}
.header .header__wrap .main-nav .main-nav__list .main-nav__item .main-nav__dropdown {
  border: 1px solid #BABABA;
  position: absolute;
  left: 0;
  top: calc(100% + 10px);
  width: 260px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0px 0px 10px 0px rgba(0, 0, 0, 0.1019607843);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.25s ease;
  z-index: 20;
}
.header .header__wrap .main-nav .main-nav__list .main-nav__item .main-nav__dropdown .main-nav__dropdown-item {
  padding: 10px 12px;
  font-size: 14px;
  font-weight: 400;
  line-height: 19.6px;
  letter-spacing: -0.28px;
  cursor: pointer;
  color: black;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}
.header .header__wrap .main-nav .main-nav__list .main-nav__item .main-nav__dropdown .main-nav__dropdown-item:hover {
  background: rgba(0, 92, 247, 0.1607843137);
  color: #005CF7;
}
.header .header__wrap .main-nav .main-nav__list .main-nav__item--has-mega:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.header .header__wrap .main-nav .main-nav__list .main-nav__item--has-dropdown:hover .main-nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.header .header__wrap .main-nav .main-nav__list .mega-menu {
  border: 1px solid #BABABA;
  position: absolute;
  left: 0;
  top: calc(100% + 10px);
  width: 698px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0px 0px 10px 0px rgba(0, 0, 0, 0.1019607843);
  padding: 0px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.25s ease;
  z-index: 20;
}
.header .header__wrap .main-nav .main-nav__list .mega-menu__inner {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 0px;
}
.header .header__wrap .main-nav .main-nav__list .mega-menu__categories {
  border-right: 1px solid #BABABA;
  padding: 8px 0;
  list-style: none;
  margin: 0;
}
.header .header__wrap .main-nav .main-nav__list .mega-menu__category {
  padding: 10px 12px;
  font-size: 14px;
  font-weight: 400;
  line-height: 19.6px;
  letter-spacing: -0.28px;
  cursor: pointer;
  color: black;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header .header__wrap .main-nav .main-nav__list .mega-menu__category:hover, .header .header__wrap .main-nav .main-nav__list .mega-menu__category.is-active {
  background: rgba(0, 92, 247, 0.1607843137);
  color: #005CF7;
}
.header .header__wrap .main-nav .main-nav__list .mega-menu__category .mega-menu__icon {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(315deg);
  margin-top: -2px;
}
.header .header__wrap .main-nav .main-nav__list .mega-menu__courses {
  display: flex;
  flex-direction: column;
  gap: 0px;
  padding: 8px 0;
  max-height: 373px;
  overflow: auto;
  list-style: none;
  margin: 0;
}
.header .header__wrap .main-nav .main-nav__list .mega-menu__course {
  padding: 10px 12px;
  font-size: 14px;
  font-weight: 400;
  line-height: 19.6px;
  letter-spacing: -0.28px;
  cursor: pointer;
  color: black;
}
.header .header__wrap .main-nav .main-nav__list .mega-menu__course:hover {
  color: #2563eb;
}
.header .header__wrap .header__contact-btn {
  border: 1px solid #005CF7;
  border-radius: 8px;
  padding: 0px 31px;
  white-space: nowrap;
  display: flex;
  align-items: center;
  justify-content: center;
  --color: #560bad;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0px;
  width: -moz-max-content;
  width: max-content;
  height: 40px;
  line-height: 40px;
  position: relative;
  cursor: pointer;
  overflow: hidden;
  z-index: 1;
  font-size: 14px;
  font-weight: 500;
  line-height: 100%;
  letter-spacing: -0.28px;
  border-radius: 8px;
  color: #005CF7;
  background: #fff;
  transition: color 0.3s;
}
.header .header__wrap .header__contact-btn::before {
  content: "";
  position: absolute;
  z-index: -1;
  background: var(--color);
  width: 115px;
  height: 90px;
  border-radius: 50%;
  top: 100%;
  left: 100%;
  transition: all 0.7s;
}
.header .header__wrap .header__contact-btn:hover {
  color: #fff;
}
.header .header__wrap .header__contact-btn:hover::before {
  top: -30px;
  left: -30px;
}
.header .header__wrap .header__contact-btn:active::before {
  background: #3a0ca3;
  transition: background 0s;
}
.header .header__wrap .header__contact-btn:hover {
  background: #005CF7;
}
.header .header__wrap .header__icon--mob {
  display: none;
}
@media (max-width: 991px) {
  .header .main-nav {
    display: none !important;
  }
  .header .header__contact-btn {
    display: none !important;
  }
  .header .header__icon--mob {
    display: block !important;
    width: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: x-large;
  }
}

.language-dropdown {
  position: relative;
  display: inline-block;
}
.language-dropdown .lang-btn {
  background: #ffffff;
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  transition: all 0.2s ease;
}
.language-dropdown .lang-btn img {
  display: block;
  -o-object-fit: cover;
     object-fit: cover;
  border-radius: 2px;
}
.language-dropdown .lang-btn i {
  font-size: 12px;
  margin-left: 4px;
  color: #666666;
}
.language-dropdown .lang-list {
  position: absolute;
  top: calc(100% + 5px);
  right: 0;
  background: #ffffff;
  border: 1px solid #dddddd;
  list-style: none;
  padding: 0;
  margin: 0;
  width: 160px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  border-radius: 4px;
  z-index: 999;
  display: none;
}
.language-dropdown .lang-list.show {
  display: block;
  animation: langFadeIn 0.2s ease;
}
.language-dropdown .lang-list li:not(:last-child) {
  border-bottom: 1px solid #eeeeee;
}
.language-dropdown .lang-list li a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 15px;
  text-decoration: none;
  color: #333333;
  font-size: 14px;
  transition: all 0.2s;
}
.language-dropdown .lang-list li a:hover {
  background: #f5f5f5;
  color: #007bff;
}
.language-dropdown .lang-list li a img {
  border-radius: 2px;
}

@keyframes langFadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.site-footer {
  width: 100%;
  background: #F2F5FA;
  padding: 40px 0;
  margin-top: 60px;
}
.site-footer .site-footer__top {
  display: grid;
  grid-template-columns: 50% 1fr 1fr 1fr;
  gap: 60px;
  border-bottom: 1px solid #BABABA;
  padding-bottom: 24px;
}
.site-footer .site-footer__links-group .site-footer__group-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: default;
}
.site-footer .site-footer__links-group .site-footer__accordion-icon {
  display: none;
  width: 10px;
  height: 10px;
  border-right: 2px solid #070707;
  border-bottom: 2px solid #070707;
  transform: rotate(45deg);
  transition: transform 0.3s;
}
.site-footer .site-footer__links-group {
  /* ===== MOBILE ===== */
}
@media (max-width: 991px) {
  .site-footer .site-footer__links-group .site-footer__group-heading {
    cursor: pointer;
  }
  .site-footer .site-footer__links-group .site-footer__accordion-icon {
    display: inline-block;
  }
  .site-footer .site-footer__links-group .site-footer__list {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  .site-footer .site-footer__links-group.is-open .site-footer__list {
    max-height: 500px;
  }
  .site-footer .site-footer__links-group.is-open .site-footer__accordion-icon {
    transform: rotate(-135deg);
  }
}
.site-footer .site-footer__intro-heading {
  font-size: 24px;
  font-weight: 400;
  line-height: 100%;
  letter-spacing: -1.44px;
  color: #061020;
}
.site-footer .site-footer__group-heading {
  font-size: 16px;
  font-weight: 500;
  line-height: 100%;
  letter-spacing: -0.03px;
  color: #061020;
}
.site-footer .site-footer__intro-heading {
  margin-bottom: 16px;
}
.site-footer .site-footer__group-heading {
  margin-bottom: 26px;
}
.site-footer .site-footer__intro-text {
  font-size: 14px;
  font-weight: 400;
  line-height: 19.6px;
  letter-spacing: -0.28px;
  color: #061020;
}
.site-footer .site-footer__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-footer .site-footer__link {
  font-size: 14px;
  font-weight: 400;
  line-height: 19.6px;
  letter-spacing: -0.28px;
  color: #5B6780;
}
.site-footer .site-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 24px;
  gap: 70px;
}
.site-footer .site-footer__bottom .site-footer__bottom-wrap {
  display: flex;
  gap: 70px;
}
.site-footer .site-footer__bottom .site-footer__button--diachi, .site-footer .site-footer__bottom .site-footer__button--phone {
  display: flex;
  align-items: center;
  gap: 8px;
}
.site-footer .site-footer__bottom .site-footer__button--diachi a, .site-footer .site-footer__bottom .site-footer__button--diachi svg, .site-footer .site-footer__bottom .site-footer__button--phone a, .site-footer .site-footer__bottom .site-footer__button--phone svg {
  color: rgb(33, 37, 41);
}
.site-footer .site-footer__bottom .site-footer__logo {
  width: 156px !important;
  -o-object-fit: contain;
     object-fit: contain;
}
.site-footer .site-footer__bottom svg {
  width: 156px !important;
}
.site-footer .site-footer__bottom .site-footer__button--contact {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
@media (max-width: 991px) {
  .site-footer .site-footer__bottom .site-footer__bottom-wrap {
    flex-direction: column;
    gap: 10px;
  }
}
.site-footer .site-footer__button {
  --color: #560bad;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0px;
  width: 200px;
  height: 40px;
  line-height: 40px;
  position: relative;
  cursor: pointer;
  overflow: hidden;
  z-index: 1;
  font-size: 14px;
  font-weight: 500;
  line-height: 100%;
  letter-spacing: -0.28px;
  border-radius: 8px;
  color: #fff;
  background: #005CF7;
  transition: color 0.3s;
}
.site-footer .site-footer__button::before {
  content: "";
  position: absolute;
  z-index: -1;
  background: var(--color);
  width: 150px;
  height: 150px;
  border-radius: 50%;
  top: 100%;
  left: 100%;
  transition: all 0.7s;
}
.site-footer .site-footer__button:hover {
  color: #fff;
}
.site-footer .site-footer__button:hover::before {
  top: -30px;
  left: -30px;
}
.site-footer .site-footer__button:active::before {
  background: #3a0ca3;
  transition: background 0s;
}
@media (max-width: 991px) {
  .site-footer {
    padding: 30px 0 24px;
  }
  .site-footer .site-footer__top {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .site-footer .site-footer__group-heading {
    margin-bottom: 10px;
  }
  .site-footer .site-footer__bottom {
    gap: 20px;
  }
  .site-footer .site-footer__button {
    width: -moz-max-content;
    width: max-content;
    min-width: 100px;
  }
}

:root {
  --color-common: #005CF7;
}

.btn-base {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border-radius: 6px;
  font-size: 16px;
  cursor: pointer;
  transition: 0.25s ease;
  border: 1px solid transparent;
}

.text--pc {
  display: block;
}
.text--mobile {
  display: none;
}
@media (max-width: 575px) {
  .text--pc {
    display: none;
  }
  .text--mobile {
    display: block;
  }
}

/* ===== MẶC ĐỊNH: PC ===== */
.only-pc {
  display: block !important;
}

.only-mobile {
  display: none !important;
}

/* ===== MOBILE + TABLET ===== */
@media (max-width: 991px) {
  .only-pc {
    display: none !important;
  }
  .only-mobile {
    display: block !important;
  }
}
.empty-state {
  padding: 40px 20px;
  text-align: center;
  background-color: #f8f9fa; /* Màu nền xám nhạt */
  border-radius: 12px;
  border: 1px dashed #d1d5db; /* Viền đứt nét tạo cảm giác trống trải */
  margin: 20px 0;
}

.empty-state__text {
  font-size: 16px;
  color: #717784; /* Màu chữ xám chuyên nghiệp */
  font-weight: 500;
}

.empty-state__btn-reset {
  background: none;
  border: none;
  color: #0066ff;
  font-weight: 600;
  text-decoration: underline;
  cursor: pointer;
  font-size: 14px;
}

.empty-state__btn-reset:hover {
  color: #0044bb;
}

.course-sidebar__button {
  --color: #560bad;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0px;
  width: 152px;
  height: 100%;
  line-height: 100%;
  position: relative;
  cursor: pointer;
  overflow: hidden;
  z-index: 1;
  font-size: 14px;
  font-weight: 500;
  line-height: 100%;
  letter-spacing: -0.28px;
  border-radius: 8px;
  color: #005CF7;
  background: #fff;
  transition: color 0.3s;
}
.course-sidebar__button::before {
  content: "";
  position: absolute;
  z-index: -1;
  background: var(--color);
  width: 115px;
  height: 90px;
  border-radius: 50%;
  top: 100%;
  left: 100%;
  transition: all 0.7s;
}
.course-sidebar__button:hover {
  color: #fff;
}
.course-sidebar__button:hover::before {
  top: -30px;
  left: -30px;
}
.course-sidebar__button:active::before {
  background: #3a0ca3;
  transition: background 0s;
}
.course-sidebar__button:hover {
  background: #005CF7;
}

.btn-connect-form {
  --color: #560bad;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0px;
  width: 100%;
  height: 40px;
  line-height: 40px;
  position: relative;
  cursor: pointer;
  overflow: hidden;
  z-index: 1;
  font-size: 14px;
  font-weight: 500;
  line-height: 100%;
  letter-spacing: -0.28px;
  border-radius: 8px;
  color: #005CF7;
  background: #fff;
  transition: color 0.3s;
}
.btn-connect-form::before {
  content: "";
  position: absolute;
  z-index: -1;
  background: var(--color);
  width: 285px;
  height: 200px;
  border-radius: 50%;
  top: 100%;
  left: 100%;
  transition: all 0.7s;
}
.btn-connect-form:hover {
  color: #fff;
}
.btn-connect-form:hover::before {
  top: -30px;
  left: -30px;
}
.btn-connect-form:active::before {
  background: #3a0ca3;
  transition: background 0s;
}

.banner-group {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin: 60px 0;
}
.banner-group .promo-banner {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  justify-content: center;
}
.banner-group .promo-banner__content {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  justify-content: center;
  padding: 0 24px;
  gap: 12px;
}
.banner-group .promo-banner--blue {
  background: url("https://omweb-prod.s3.ap-southeast-1.amazonaws.com/ommaniedu/promo-banner-blue-home.webp");
}
.banner-group .promo-banner--dark {
  background: url("https://omweb-prod.s3.ap-southeast-1.amazonaws.com/ommaniedu/promo-banner-dark-home.webp");
}
.banner-group .promo-banner {
  background-repeat: no-repeat;
  background-size: cover;
  background-position: right;
  border-radius: 24px;
  height: 200px;
}
.banner-group .promo-banner__heading {
  font-size: 20px;
  font-weight: 500;
  line-height: 120%;
  letter-spacing: -2%;
  color: #FFFFFF;
}
.banner-group .promo-banner__action {
  font-size: 14px;
  font-weight: 400;
  line-height: 19.6px;
  letter-spacing: -0.28px;
  color: #FFFFFF;
  transition: all 0.3s;
}
.banner-group .promo-banner__action:hover {
  transform: translateX(5px);
}
@media (max-width: 991px) {
  .banner-group .promo-banner {
    height: unset;
    justify-content: flex-start;
  }
  .banner-group .promo-banner__content {
    padding: 15px;
    gap: 8px;
  }
  .banner-group {
    grid-template-columns: 1fr !important;
  }
  .banner-group .promo-banner__heading {
    font-size: 16px;
  }
  .banner-group .promo-banner__logo {
    width: 110px;
  }
}

.knowledge__card {
  background: #fff;
  border-radius: 8px;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  cursor: pointer;
}
.knowledge__image {
  width: 100%;
  aspect-ratio: 4/4;
  -o-object-fit: cover;
     object-fit: cover;
  border-radius: 4px;
}
.knowledge__name {
  color: #0f172a;
  font-size: 16px;
  font-weight: 600;
  line-height: 120%;
  letter-spacing: -0.1px;
  display: -webkit-box !important;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
@media (max-width: 991px) {
  .knowledge__name {
    font-size: 14px;
  }
}