/* Start header */
.header {
  background: url(../../assets/images/index/Header/Background.png);
  background-repeat: no-repeat;
  background-position: right top;
  background-size: cover;
  height: 800px;
  margin-top: -80px;
  width: 100%;
  position: relative;
}

.header .header-contain,
.header .header-welcome,
.header .header-welcome .container-md {
  height: 100%;
}

.header .header-contain {
  position: relative;
}

.header .header-content {
  height: 80%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: absolute;
  padding-right: inherit;
  z-index: 1;
}

.header .header-content .header-title {
  -webkit-background-clip: text;
  font-size: 64px;
  background: linear-gradient(to right, #5dc0f1, #b97bfa, #f66370);
  background-clip: text;
  color: transparent;
  font-weight: bold;
  margin-bottom: 16px;
  transition: background 0.6s ease;
}

.header .header-content .header-title:hover {
  background: linear-gradient(
    to left,
    #5dc0f1,
    #b97bfa,
    #f66370,
    #5dc0f1,
    #b97bfa,
    #f66370
  );
  -webkit-background-clip: text;
  background-size: 200% 100%;
  background-position: 100% 0;
  background-clip: text;
  color: transparent;
}

.header .header-description p {
  margin-bottom: 0;
}

.header .header-description i {
  background: linear-gradient(45deg, #e0e0e0, #ffffff, #f0f0f0);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
  filter: brightness(1.5);
  font-size: 24px;
  margin-left: 7.5px;
  display: inline-block;
}

.header .explore-introduce {
  background: linear-gradient(to right, #5dc0f1, #b97bfa, #f66370);
  border-radius: 32px;
  margin-top: 24px;
  transition: transform 0.5s ease, box-shadow 0.5s ease;
  padding: 15px;
}

.header .explore-introduce:hover {
  background: linear-gradient(to left, #5dc0f1, #b97bfa, #f66370);
  transform: scale(1.2);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.header .header-decoration {
  position: absolute;
  bottom: 0;
  width: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  overflow: hidden;
}

.header .header-decoration img.right {
  width: 130px;
  height: 130px;
  object-fit: contain;
  margin: 20px;
}

.header .header-decoration img.left {
  width: 310px;
  height: 310px;
  object-fit: contain;
  margin: 40px;
}
/* Start header responsive */
@media screen and (max-width: 991.98px) {
  .header .header-content .header-title {
    font-size: 56px;
  }
  .header .header-decoration img.right {
    margin: 10px;
  }
  .header .header-decoration img.left {
    margin: 20px;
  }
}

@media screen and (max-width: 767.98px) {
  .header {
    margin-top: -60px;
  }
  .header .header-content .header-title {
    font-size: 48px;
  }
  .header .header-description p {
    font-size: 16px;
  }
  .header .header-content .header-description {
    font-size: 16px;
  }
  .header .header-decoration img.left,
  .header .header-decoration img.right {
    margin: 0;
  }
}

@media screen and (max-width: 575.98px) {
  .header .header-decoration img.right {
    width: 100px;
    height: 100px;
  }
  .header .header-decoration img.left {
    width: 250px;
    height: 250px;
  }
}
/* End header responsive */
/* End header */

/* Start overview */
.overview {
  height: auto;
  background: #ddf4fe;
  padding: 80px 0;
}

.overview .overview-content {
  margin-top: 30px;
}

.overview .overview-content .content-header {
  color: #003c6c;
  margin-bottom: 30px;
}

.overview .content-header .overview-title {
  font-weight: 900;
  font-size: 40px;
}

.overview .content-header .overview-subtitle {
  font-weight: 700;
  font-size: 24px;
}

.overview .overview-content .content-footer {
  color: #192335;
}

.overview .overview-image {
  max-width: 450px;
  height: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: auto;
  overflow: hidden;
}

.overview .overview-image img {
  width: 100%;
  height: 100%;
  transition: 0.6s;
}

.overview .overview-image:hover img {
  transform: scale(1.025);
}
/* Start overview responsive */
@media screen and (max-width: 1199.98px) {
  .overview .content-header .overview-title {
    font-size: 38px;
  }
  .overview .content-header .overview-subtitle {
    font-size: 22px;
  }
  .overview .overview-content .content-header {
    color: #003c6c;
    margin-bottom: 15px;
  }
}

@media screen and (max-width: 991.98px) {
  .overview {
    padding: 60px 0;
  }
  .overview .content-header .overview-title {
    font-size: 36px;
  }
  .overview .content-header .overview-subtitle {
    font-size: 20px;
  }
}

@media screen and (max-width: 767.98px) {
  .overview {
    padding: 40px 0;
  }
  .overview .overview-content .content-header {
    text-align: center;
  }
  .overview .content-header .overview-title {
    font-size: 34px;
  }
  .overview .content-header .overview-subtitle {
    font-size: 18px;
  }
}

@media screen and (max-width: 575.98px) {
  .overview .content-header .overview-title {
    font-size: 32px;
  }
  .overview .content-header .overview-subtitle {
    font-size: 16px;
  }
}
/* End overview responsive */
/* End introduce overview */

/* Start activities */
.activities {
  background: url(../images/index/Activities/Background.png);
  height: auto;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  padding: 40px 0;
  position: relative;
}

.activities .container {
  background: rgba(255, 255, 255, 0.9);
  border-radius: 40px;
  padding: 40px;
}

.activities .content-box {
  background: #003056;
  width: fit-content;
  padding: 15px 20px;
  border-radius: 15px;
  margin-bottom: 40px;
}

.activities .content-box h3 {
  margin-bottom: 0;
  font-weight: 800;
}

.activities .content-description {
  color: #192335;
}

.activities .content-description p {
  margin-bottom: 0;
}

.activities .activities-image img {
  width: 100%;
  height: auto;
  transition: 0.6s;
}

.activities .activities-image:hover img {
  transform: scale(1.025);
}

.activities .watch-more {
  margin-top: 60px;
  background: linear-gradient(to right, #f49fd3, #00bbbc);
  padding: 10px;
  border-radius: 16px;
  transition: transform 0.5s ease, box-shadow 0.5s ease;
}

.activities .watch-more p {
  display: flex;
  align-items: center;
}

.activities .watch-more:hover {
  box-shadow: rgba(0, 0, 0, 0.24) 0px 3px 8px;
  transform: scale(1.2);
  background: linear-gradient(to left, #f49fd3, #00bbbc);
}

.activities .watch-more i {
  background: linear-gradient(45deg, #1d1c1c00, #2c2929, #3a3838);
  background-clip: text;
  color: transparent;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
  filter: brightness(1.5);
  font-size: 24px;
  display: inline-block;
}
/* Start activities responsive */
@media screen and (max-width: 1199.98px) {
  .activities .content-box h3 {
    font-size: 26px;
  }
  .activities .content-box {
    margin-bottom: 30px;
  }
  .activities .watch-more {
    margin-top: 50px;
  }
}

@media screen and (max-width: 991.98px) {
  .activities .content-box {
    margin-bottom: 20px;
  }
  .activities .watch-more {
    margin-top: 40px;
  }
  .activities .content-box h3 {
    font-size: 24px;
  }
  .activities .activities-image img {
    width: 75%;
  }
}

@media screen and (max-width: 767.98px) {
  .activities {
    padding: 0;
    position: relative;
  }
  .activities::before {
    content: "";
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.45);
    position: absolute;
  }
  .activities .container {
    position: relative;
    z-index: 1;
    background: none;
    border-radius: 0;
    padding: 40px 15px;
  }
  .activities .watch-more {
    margin-top: 30px;
  }
  .activities .content-box {
    margin-left: auto;
    margin-right: auto;
  }
  .activities .activities-content {
    margin-bottom: 30px;
    text-align: center;
  }
  .activities .content-description {
    color: #f9ebde;
  }
  .activities .content-box h3 {
    font-size: 22px;
  }
  .activities-button {
    width: 100%;
  }
  .activities .watch-more {
    margin-left: auto;
    margin-right: auto;
  }
  .activities .activities-image img {
    width: 95%;
    min-width: 290px;
  }
}

@media screen and (max-width: 575.98px) {
  .activities .watch-more {
    margin-top: 20px;
  }
}
/* End activities responsive */
/* End activities */

/* Start achievement */
.achievement {
  background: linear-gradient(
    180deg,
    #09092a 0%,
    #1b2c45 25%,
    #27496d 50%,
    #457893 75%,
    #6096ba 88%,
    #a3d2e6 100%
  );
  padding: 40px 0;
}

.achievement .inner-head {
  text-align: center;
  margin-bottom: 60px;
}

.achievement .achievement-title {
  color: #d5f2ff;
  margin-bottom: 22.5px;
  font-size: 35px;
  font-weight: bold;
}

.achievement .achievement-description {
  color: #e5ecff;
  margin: 0;
}

.achievement .achievement-item {
  background: #ffff;
  width: min-content;
  padding: 20px;
  border-radius: 10px;
  margin-left: auto;
  margin-right: auto;
  transition: transform 0.6s;
}

.achievement .achievement-item:hover {
  transform: scale(1.025);
}

.achievement .achievement-item p {
  text-align: center;
  margin-bottom: 0;
  color: #192335;
}

.achievement .inner-body {
  position: relative;
  padding-bottom: 30px;
}

.achievement .inner-body::before {
  content: "";
  height: 100%;
  width: 1px;
  position: absolute;
  background: linear-gradient(180deg, #e0e0e0, #909090);
  box-shadow: 0px 0px 6px rgba(0, 0, 0, 0.1);
  left: calc(50% - 0.5px);
}

.achievement .inner-body .row:not(:last-child) {
  margin-bottom: 30px;
}
.achievement .achievement-item img {
  width: 430px;
  aspect-ratio: 6 / 4;
  border-radius: 20px;
  margin-bottom: 10px;
}

.achievement .circle {
  left: 50%;
  right: 50%;
  transform: translateX(-50%);
  top: 30px;
  width: 36px;
  height: 36px;
  background: #a0a0a0;
  border-radius: 50%;
  position: relative;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.achievement .circle::before {
  content: "";
  width: calc(100% / 3);
  height: calc(100% / 3);
  position: absolute;
  border-radius: 50%;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background-color: #d9d9d9;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

/* Start achievement responsive */
@media screen and (max-width: 1199.98px) {
  .achievement .achievement-item img {
    width: 360px;
  }
}

@media screen and (max-width: 991.98px) {
  .achievement .achievement-title {
    font-size: 33px;
  }
  .achievement .achievement-item img {
    width: 260px;
  }
  .achievement .achievement-item {
    padding: 15px;
  }
  .achievement .achievement-item img {
    border-radius: 30px;
    margin-bottom: 15px;
  }
}

@media screen and (max-width: 767.98px) {
  .achievement .achievement-title {
    font-size: 31px;
  }
  .achievement .achievement-item p {
    color: #ffffff;
  }
  .achievement .inner-body .row:not(:last-child) {
    margin-bottom: 15px;
  }
  .achievement .inner-body {
    padding-bottom: 15px;
  }
  .achievement .achievement-item {
    background: transparent;
    text-align: center;
    margin-left: 75px;
    padding: 0;
  }
  .achievement .inner-body::before {
    left: 30px;
  }
  .achievement .circle {
    left: 30px;
  }
  .col-6.hidden-responsive {
    display: none;
  }
  .achievement .achievement-item img {
    width: 50vw;
  }
}
@media screen and (max-width: 575.98px) {
  .achievement .achievement-title {
    font-size: 29px;
  }
  .achievement .circle {
    left: 15px;
    top: 15px;
    width: 24px;
    height: 24px;
  }
  .achievement .inner-body::before {
    left: 15px;
  }
  .achievement .achievement-item {
    margin-left: 45px;
  }
  .achievement .achievement-item img {
    width: 65vw;
    min-width: 245px;
    aspect-ratio: 7 / 5;
  }
}
/* End achievement responsive */
/* End achievement */

/* Start Q&A */
.question-answer {
  padding: 80px 0;
  height: auto;
  background-color: #f7f9fc;
}

.question-answer .col-12 {
  padding: 0;
}

.question-answer .qa-head {
  background: linear-gradient(40deg, rgb(9, 72, 182), #002442 100%);
  padding: 30px;
  text-align: center;
  color: rgb(150, 235, 254);
  border-radius: 16px 16px 0 0;
}

.question-answer .qa-title {
  font-weight: 900;
  font-size: 34px;
  margin: 0;
}

.question-answer .card {
  border-radius: 0;
  color: #192335;
  background: #fff;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  overflow: hidden;
  position: relative;
}

.question-answer .card:hover {
  transform: translateY(-5px);
  box-shadow: rgba(0, 0, 0, 0.2) 0px 15px 25px,
    rgba(0, 0, 0, 0.15) 0px 10px 10px;
}

.question-answer .card-header {
  background-color: #ffffff;
  border: 0;
  padding: 0;
}

.question-answer .card-header .btn {
  color: #192335;
  font-size: 18px;
  font-weight: bold;
  text-align: left;
  width: 100%;
  padding: 20px 30px;
  background: none;
  border: none;
  outline: none;
  box-shadow: none;
  transition: background-color 0.3s ease, color 0.3s ease;
  position: relative;
}

.question-answer .card-header .btn .icon {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 12px;
  transition: transform 0.3s ease;
}

.question-answer .card-header .btn.collapsed .icon::before {
  content: "\002B";
}

.question-answer .card-header .btn:not(.collapsed) .icon::before {
  content: "\2212";
}

.question-answer .card-header .btn:hover,
.question-answer .card-header .btn:focus {
  background-color: #f1f1f1;
  text-decoration: none;
  color: #5aa7ef;
}

.question-answer .card-body {
  font-size: 16px;
  line-height: 1.5;
  padding: 20px 30px;
  background-color: #ffffff;
}

.question-answer .card-body i {
  margin-right: 10px;
}

.question-answer .card-body p {
  margin-left: 10px;
}

.question-answer .inner-main {
  box-shadow: rgba(0, 0, 0, 0.19) 0px 10px 20px, rgba(0, 0, 0, 0.23) 0px 6px 6px;
  overflow: hidden;
  background-color: #ffffff;
  transition: box-shadow 0.3s ease;
  border-radius: 16px;
}

.question-answer .inner-main:hover {
  box-shadow: rgba(0, 0, 0, 0.3) 0px 19px 38px,
    rgba(0, 0, 0, 0.22) 0px 15px 12px;
}
/* Start Q&A responsive */
@media screen and (max-width: 991.98px) {
  .question-answer {
    padding: 40px 0;
  }
  .question-answer .qa-title {
    font-weight: 900;
    font-size: 30px;
    margin: 0;
  }
  .question-answer .qa-head {
    padding: 25px;
  }
}

@media (max-width: 767.98px) {
  .question-answer {
    padding: 0;
  }
  .question-answer .qa-head {
    padding: 20px;
    border-radius: 0;
  }
  .question-answer .inner-main {
    border-radius: 0;
  }
  .question-answer .qa-title {
    font-size: 26px;
  }

  .question-answer .card-header .btn {
    font-size: 16px;
    padding: 15px 25px;
  }

  .question-answer .card-body {
    padding: 15px 20px;
    font-size: 14px;
  }

  .question-answer .inner-main {
    box-shadow: none;
    background-color: transparent;
  }

  .question-answer .inner-main:hover {
    box-shadow: none;
  }

  .question-answer .container-md {
    padding: 0 15px;
  }
}

@media (max-width: 575.98px) {
  .question-answer .qa-head {
    padding: 15px;
  }
  .question-answer .qa-title {
    font-size: 24px;
  }
  .question-answer .card-header .btn {
    padding: 10px 20px;
    font-size: 14px;
  }
  .question-answer .card-body {
    padding: 10px 15px;
    font-size: 12px;
  }
}
/* End Q&A responsive */
/* End Q&A */