/******************** TAB-1 ***********************/

/* General Styles */
.section-title {
  font-size: 45px;
  font-weight: bold;
  font-family: 'FZ Poppins';
}

.section-subtitle {
  font-size: 36px;
  font-weight: bold;
}

.img-banner {
  height: 90vh;
}

#bannerTitle {
  max-width: 500px;
}

/* Highway Section */
.highway-container {
  width: 100%;
  position: relative;
  background-image: url('../img/van-hoa-tap-doan/highway.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.highway-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(#163142 0%, #5193f6 100%);
  opacity: 0.2;
  mix-blend-mode: lighten;
}

.highway-content {
  position: relative;
  z-index: 2;
  padding: 120px 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.highway-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.highway-title-section {
  flex: 1;
}

.highway-main-title {
  color: #c78f50;
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  font-family: 'FZ Poppins';
}

.highway-subtitle {
  font-size: 32px;
  color: #ffa726;
  line-height: 1.3;
  margin-bottom: 40px;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.highway-description-section {
  flex: 1;
  margin-left: 80px;
  color: white;
}

.highway-description {
  font-size: 18px;
  line-height: 1.6;
  margin-bottom: 30px;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.highway-vision {
  font-size: 18px;
  line-height: 1.6;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.highway-footer {
  align-self: flex-start;
}

.highway-footer-text {
  font-size: 18px;
  color: white;
  line-height: 1.5;
  max-width: 400px;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
  text-align: justify;
}

/* Highway Watermark */
.highway-watermark {
  font-size: 100px;
  font-weight: bold;
  letter-spacing: 20px;
  pointer-events: none;
  color: transparent;
  -webkit-text-stroke: 2px #fff;
  display: flex;
  overflow: hidden;
  padding-bottom: 340px;
  mix-blend-mode: lighten;
  opacity: 0.3;
}

.highway-watermark-item {
  display: flex;
  padding-right: 65px;
  gap: 65px;
}

.highway-watermark-item img {
  width: 60px;
  height: auto;
  object-fit: contain;
}

/* Highway Blocks */
.highway-blocks {
  display: flex;
  justify-content: end;
  flex-wrap: wrap;
  margin-top: -220px;
  position: relative;
  z-index: 10;
}

.highway-block-text {
  color: #fff;
  z-index: 2;
  width: 30% !important;
  max-width: 500px !important;
  font-size: 18px;
}

.highway-block {
  height: 540px;
}

.highway-block .flip-card-bg-image {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  width: 100%;
  height: 100%;
  filter: grayscale(80%);
  opacity: 0.3;
}

.highway-block .flip-card-front,
.highway-block .flip-card-back {
  padding: 80px;
}

.highway-block-char {
  font-size: 100px;
  font-weight: bold;
  margin-bottom: 24px;
}

.highway-block-category {
  font-weight: bold;
  font-size: 24px;
}

.highway-block-title {
  font-size: 36px;
  font-weight: bold;
}

.highway-block-description {
  font-size: 18px;
  margin-top: 80px;
  color: #fff;
}

/* Flip Card Styles */
.flip-card-front > div,
.flip-card-back > div {
  position: relative;
}

/* Specific Styles for Highway Blocks */
.highway-block:nth-of-type(1) .highway-block-category,
.highway-block:nth-of-type(2) .highway-block-category,
.highway-block:nth-of-type(3) .highway-block-category,
.highway-block:nth-of-type(6) .highway-block-category,
.highway-block:nth-of-type(7) .highway-block-category {
  color: #c78f50;
}

.highway-block:nth-of-type(4) .highway-block-category,
.highway-block:nth-of-type(5) .highway-block-category {
  color: #1a3d54;
}

.highway-block:nth-of-type(1) .highway-block-title,
.highway-block:nth-of-type(6) .highway-block-title {
  color: #1a3d54;
}

.highway-block:nth-of-type(2) .highway-block-title,
.highway-block:nth-of-type(3) .highway-block-title,
.highway-block:nth-of-type(4) .highway-block-title,
.highway-block:nth-of-type(5) .highway-block-title,
.highway-block:nth-of-type(7) .highway-block-title {
  color: #fff;
}

.highway-block:nth-of-type(1) .highway-block-char,
.highway-block:nth-of-type(2) .highway-block-char,
.highway-block:nth-of-type(3) .highway-block-char,
.highway-block:nth-of-type(6) .highway-block-char,
.highway-block:nth-of-type(7) .highway-block-char {
  background: linear-gradient(#e6af6c, #aa7136);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
}

.highway-block:nth-of-type(4) .highway-block-char,
.highway-block:nth-of-type(5) .highway-block-char {
  background: linear-gradient(#1e4966, #163142);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
}

.highway-block:nth-of-type(1) .highway-block-description,
.highway-block:nth-of-type(6) .highway-block-description {
  color: #000;
}

.highway-block:nth-of-type(1) .flip-card-front,
.highway-block:nth-of-type(1) .flip-card-back,
.highway-block:nth-of-type(6) .flip-card-front,
.highway-block:nth-of-type(6) .flip-card-back {
  background: #e0e0e0;
}

.highway-block:nth-of-type(2) .flip-card-front,
.highway-block:nth-of-type(2) .flip-card-back,
.highway-block:nth-of-type(3) .flip-card-front,
.highway-block:nth-of-type(3) .flip-card-back,
.highway-block:nth-of-type(7) .flip-card-front,
.highway-block:nth-of-type(7) .flip-card-back {
  background: #1a3d54;
}

.highway-block:nth-of-type(4) .flip-card-front,
.highway-block:nth-of-type(4) .flip-card-back,
.highway-block:nth-of-type(5) .flip-card-front,
.highway-block:nth-of-type(5) .flip-card-back {
  background: #c78f50;
}

.highway-block:nth-of-type(1) .flip-card-bg-image {
  background-image: url('../img/van-hoa-tap-doan/block-1.jpg');
}

.highway-block:nth-of-type(2) .flip-card-bg-image {
  background-image: url('../img/van-hoa-tap-doan/block-2.jpg');
}

.highway-block:nth-of-type(3) .flip-card-bg-image {
  background-image: url('../img/van-hoa-tap-doan/block-3.jpg');
}

.highway-block:nth-of-type(4) .flip-card-bg-image {
  background-image: url('../img/van-hoa-tap-doan/block-4.jpg');
}

.highway-block:nth-of-type(5) .flip-card-bg-image {
  background-image: url('../img/van-hoa-tap-doan/block-5.jpg');
}

.highway-block:nth-of-type(6) .flip-card-bg-image {
  background-image: url('../img/van-hoa-tap-doan/block-6.jpg');
}

.highway-block:nth-of-type(7) .flip-card-bg-image {
  background-image: url('../img/van-hoa-tap-doan/block-7.jpg');
}

.highway-block:nth-of-type(1),
.highway-block:nth-of-type(2) {
  width: 35%;
}

.highway-block:nth-of-type(3),
.highway-block:nth-of-type(4) {
  width: 40%;
}

.highway-block:nth-of-type(5),
.highway-block:nth-of-type(6),
.highway-block:nth-of-type(7) {
  width: calc(1 / 3 * 100%);
}

/******************** END TAB-1 ***********************/

/******************** TAB-2 ***********************/

/* Intro Section */
.intro-section {
  position: relative;
  background: #f3f7fb;
}

.intro-section-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('../img/van-hoa-tap-doan/bg-intro-section.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.3;
}

.intro-section .container {
  padding: 200px 0;
  display: flex;
  align-items: start;
  justify-content: space-between;
}

.intro-section-title,
.intro-section-description {
  flex: 1;
  color: #1e4966;
  z-index: 1;
}

.intro-section-description {
  font-size: 24px;
  font-weight: bold;
}

/* Development Section */
.development-section {
  background: #c78f50;
}

.development-section .container {
  padding: 120px 0;
}

.development-section-title {
  color: #f3ce87;
  font-weight: bold;
  font-size: 64px;
  font-family: 'FZ Poppins';
}

.development-section-sub {
  display: flex;
  font-weight: bold;
  padding: 64px 0;
  align-items: center;
  gap: 24px;
}

.development-section-sub-title {
  color: #1a3d54;
  flex: 1;
  max-width: 400px;
}

.development-section-sub-description {
  font-size: 24px;
  flex: 1;
  color: #fff;
  max-width: 700px;
  margin-left: auto;
}

.development-section-boxes {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(3, 1fr);
}

.development-section-box {
  background: #fff;
  border-radius: 5px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
  aspect-ratio: 1 / 1;
  padding: 80px;
  display: flex;
  flex-direction: column;
  gap: 32px;
  position: relative;
  overflow: hidden;
}

.development-section-box-icon {
  height: 54px;
  transition: height 0.3s ease;
}

.development-section-box-icon img {
  width: 54px;
  height: 54px;
  opacity: 1;
}

.development-section-box-text-title {
  font-size: 24px;
  font-weight: bold;
  color: #1a3d54;
}

.development-section-box-text-description {
  font-size: 18px;
  color: #000;
}

.development-section-box-bg {
  background: #1e4966;
  z-index: 20;
  position: absolute;
  width: 100%;
  height: 100%;
  top: -5;
  left: 0;
  border-radius: 5px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
  opacity: 0;
  transition: all 0.4s linear;
}

.development-section-box-bg img {
  width: 125px;
  height: auto;
  object-fit: cover;
  position: absolute;
  bottom: 15px;
  right: 15px;
  filter: brightness(180%);
}

.development-section-box-text-title,
.development-section-box-text-description {
  z-index: 20;
}

.development-section-box:hover .development-section-box-icon {
  height: 0;
  opacity: 0;
}

.development-section-box:hover .development-section-box-icon img {
  display: none;
  opacity: 0;
}

.development-section-box:hover .development-section-box-bg {
  opacity: 1;
}

.development-section-box:hover .development-section-box-text-title {
  color: #c78f50;
}

.development-section-box:hover .development-section-box-text-description {
  color: #fff;
}

/* Community Section */
.community-section {
  position: relative;
  background: #1a3d54;
}

.community-section-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;

  background-image: url('../img/van-hoa-tap-doan/bg-community-section.png');
  background-size: cover;
  background-position: center;
  opacity: 0.9;
}

.community-section .container {
  padding: 120px 0;
  position: relative;
  color: #fff;
  z-index: 10;
}

.community-section-head {
  display: flex;
  align-items: center;
  margin-bottom: 120px;
}

.community-section-title {
  color: #c78f50;
  flex: 1;
}

.community-section-description {
  font-size: 24px;
  font-weight: bold;
  flex: 1;
}

.community-section-box {
  display: flex;
  gap: 40px;
}

.community-section-box-buttons {
  display: flex;
  gap: 40px;
  flex-direction: column;
  flex: 1;
  justify-content: space-between;
}

.community-section-box-button {
  cursor: pointer;
  transition: color 0.5s ease;
}

.community-section-box-button:hover {
  color: #c78f50;
}

.community-section-box-button:hover .community-section-box-button-icon {
  background-color: #c78f50;
}

.community-section-box-button.option-1,
.community-section-box-button.option-2 {
  display: flex;
  flex-direction: column;
  align-items: end;
  text-align: right;
}

.community-section-box-button-icon {
  width: 80px;
  height: 80px;
  border-width: 2px;
  border-style: solid;
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 32px;
  position: relative;
}

.community-section-box-button-text {
  font-size: 18px;
  font-weight: bold;
  color: #fff;
}

.community-section-box-button-icon img {
  width: 100%;
  height: 100%;
}

.community-section-box-button-icon-line {
  width: 200px;
  height: 2px;
  background-color: #c78f50;
  position: absolute;
  top: 50%;

  transform: translateY(-50%);
  opacity: 0;
  transition: all 0.3s linear;
  z-index: -10;
}

.community-section-box-button-icon-line::before {
  content: '';
  position: absolute;
  top: 50%;

  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: #c78f50;
}

.community-section-box-button.option-1 .community-section-box-button-icon-line,
.community-section-box-button.option-2 .community-section-box-button-icon-line {
  left: 0;
}

.community-section-box-button.option-1
  .community-section-box-button-icon-line::before,
.community-section-box-button.option-2
  .community-section-box-button-icon-line::before {
  left: -8px;
}

.community-section-box-button.option-3 .community-section-box-button-icon-line,
.community-section-box-button.option-4 .community-section-box-button-icon-line {
  right: 0;
}

.community-section-box-button.option-3
  .community-section-box-button-icon-line::before,
.community-section-box-button.option-4
  .community-section-box-button-icon-line::before {
  right: -8px;
}

.community-section-box-circle {
  width: 550px;
  height: 550px;
  position: relative;
  margin-top: -40px;
  margin-bottom: 90px;
  background: #133e59;
  border-radius: 50%;
  z-index: 10;
}

.community-section-box-circle-1 {
  background: url('../img/van-hoa-tap-doan/community-spinner.png') no-repeat;
  background-size: cover;
  inset: 0;
  position: absolute;
  transform: rotate(0deg);
  transition: transform 0.3s ease;
}

.community-section-box.option-1 .community-section-box-circle-1 {
  transform: rotate(0deg);
}

.community-section-box.option-2 .community-section-box-circle-1 {
  transform: rotate(-90deg);
}

.community-section-box.option-3 .community-section-box-circle-1 {
  transform: rotate(90deg);
}

.community-section-box.option-4 .community-section-box-circle-1 {
  transform: rotate(180deg);
}

.community-section-box-circle-2 {
  background-size: cover !important;
  position: absolute;
  inset: 80px;
  border-radius: 50%;
}

.community-section-box.option-1 .community-section-box-circle-2 {
  background: url('../img/van-hoa-tap-doan/circle-building.jpg') no-repeat;
}

.community-section-box.option-2 .community-section-box-circle-2 {
  background: url('../img/van-hoa-tap-doan/circle-agreement.jpg') no-repeat;
}

.community-section-box.option-3 .community-section-box-circle-2 {
  background: url('../img/van-hoa-tap-doan/circle-culture.jpg') no-repeat;
}

.community-section-box.option-4 .community-section-box-circle-2 {
  background: url('../img/van-hoa-tap-doan/circle-users.jpg') no-repeat;
}

.community-section-box-button.selected {
  color: #c78f50;
}

.community-section-box-button.selected .community-section-box-button-icon {
  background-color: #c78f50;
}

.community-section-box-button.selected .community-section-box-button-icon-line {
  opacity: 1;
}

.community-section-box-button.option-1.selected
  .community-section-box-button-icon-line,
.community-section-box-button.option-2.selected
  .community-section-box-button-icon-line {
  left: 100%;
}

.community-section-box-button.option-3.selected
  .community-section-box-button-icon-line,
.community-section-box-button.option-4.selected
  .community-section-box-button-icon-line {
  right: 100%;
}

/* Quote Section */
.quote-section {
  background: #f3f7fb;
  position: relative;
}

.quote-section-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('../img/van-hoa-tap-doan/bg-quote-section.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.3;
}

.quote-section .container {
  padding: 120px 0;
  position: relative;
  z-index: 10;
}

.quote-section-content {
  display: flex;
  max-width: 820px;
  margin-left: auto;
  align-items: start;
  gap: 16px;
}

.quote-section-content-text {
  font-size: 36px;
  font-weight: bold;
  color: #1a3d54;
}

.quote-section-content-image {
  width: 81px;
  height: auto;
  object-fit: contain;
  position: relative;
  top: -16px;
}

/******************** END TAB-2 ***********************/

/******************** TAB-3 ***********************/

/* Partner Intro Section */
.partner-intro-section {
  position: relative;
  background: #1a3d54;
}

.partner-intro-section .container {
  padding: 200px 0;
  display: flex;
  align-items: start;
  justify-content: space-between;
}

.partner-intro-section-title,
.partner-intro-section-description {
  flex: 1;
  z-index: 1;
}

.partner-intro-section-title {
  color: #c78f50;
}

.partner-intro-section-description {
  font-size: 18px;
  color: #fff;
}

/* Partner List Section */
.partner-list-section {
  background: #f3f7fb;
}

.partner-list-section .container {
  padding: 120px 0;
}

.partner-list-section-title {
  color: #c78f50;
  margin-bottom: 32px;
}

.partner-list-section-items {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
}

.partner-list-section-item {
  width: 200px;
  height: auto;
  object-fit: contain;
  filter: grayscale(1);
  transition: filter 0.3s ease;
}

.partner-list-section-item:hover {
  filter: grayscale(0);
}

/* Partner Marquee Section */
.partner-marquee-container {
  position: relative;
  background: #133e59;
}

.partner-marquee-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('../img/van-hoa-tap-doan/bg-partner-marquee.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.5;
}

.partner-marquee {
  padding: 120px 0;
  display: flex;
  flex-wrap: nowrap;
  white-space: nowrap;
  gap: 120px;
  overflow: hidden;
}

.partner-marquee-text {
  font-size: 120px;
  font-weight: bold;
  color: #3aa8e2;
  opacity: 0.4;
  position: relative;
  z-index: 10;
  filter: brightness(1.2);
}

/* Client List Section */
.client-list-section {
  position: relative;
  background: #c78f50;
}

.client-list-section .container {
  padding: 120px 0;
}

.client-list-section-title {
  color: #1a3d54;
  margin-bottom: 32px;
}

/******************** END TAB-3 ***********************/

/******************** RESPONSIBLE ***********************/

@media (max-width: 1400px) {
  .development-section-box {
    aspect-ratio: unset;
    width: 100%;
    height: 450px;
  }

  .highway-block {
    height: 620px;
  }
}

@media (max-width: 1200px) {
  .highway-header {
    flex-direction: column;
  }

  .highway-description-section {
    margin-left: 0;
    margin-top: 40px;
  }

  .section-title {
    font-size: 32px;
  }

  .development-section-title {
    font-size: 32px;
  }

  .highway-subtitle {
    font-size: 24px;
  }

  .highway-watermark {
    font-size: 120px;
    letter-spacing: 10px;
  }
  .highway-block-text {
    margin-bottom: 60px !important;
    width: 100% !important;
    max-width: unset !important;
  }

  .highway-block {
    width: 100% !important;
    overflow: hidden;
    height: 500px;
  }

  .highway-block-description {
    margin-top: 24px;
  }

  .highway-block-description {
    margin-top: 24px;
  }

  .intro-section .container {
    padding: 120px 0;
  }

  .intro-section .container {
    flex-direction: column;
  }

  .intro-section .intro-section-title {
    margin-bottom: 32px;
  }

  .development-section-sub {
    flex-direction: column;
    align-items: start;
  }

  .development-section-sub-description {
    margin-left: unset;
  }

  .development-section-boxes {
    grid-template-columns: repeat(1, 1fr);
  }

  .development-section-box {
    aspect-ratio: unset;
    width: 100%;
    height: 350px;
  }

  .community-section-head {
    flex-direction: column;
    align-items: start;
  }

  .community-section-title {
    margin-bottom: 32px;
  }

  .community-section-box-buttons {
    gap: 80px;
  }

  .community-section-box-button-icon-line {
    display: none !important;
  }

  .community-section-box-button.option-1,
  .community-section-box-button.option-2 {
    text-align: left;
    align-items: start;
  }

  .community-section-box {
    flex-direction: column;
    gap: 80px;
  }

  .community-section-box-circle {
    margin-bottom: 0px;
    margin-top: 0px;
    order: 1;
    width: 620px;
    height: 620px;
  }

  .quote-section-content-text {
    font-size: 24px;
  }

  .quote-section-content-image {
    width: 28px;
    top: 0px;
  }

  .partner-intro-section .container {
    padding: 120px 0;
  }

  .partner-intro-section .container {
    flex-direction: column;
  }

  .partner-intro-section-title {
    margin-bottom: 32px;
  }

  .partner-list-section-item {
    width: 140px;
  }

  .partner-marquee-text {
    font-size: 80px;
  }
}

@media (max-width: 992px) {
  .partner-list-section-items {
    flex-wrap: wrap;
  }

  .partner-list-section-item {
    width: calc(1 / 3 * 100%);
  }

  .partner-marquee-text {
    font-size: 64px;
  }
}

@media (max-width: 768px) {
  .nav-item-about {
    padding: 16px !important;
  }
  .nav-link-about {
    font-size: 14px !important;
  }
  .section-title {
    font-size: 28px;
  }

  .highway-content {
    padding: 40px 0;
  }

  .highway-block-title {
    font-size: 28px;
  }

  .highway-subtitle {
    font-size: 20px;
  }

  .highway-watermark {
    font-size: 60px;
    letter-spacing: 5px;
    padding-bottom: 250px;
  }

  .highway-watermark-item {
    padding-right: 42px;
    gap: 42px;
  }

  .highway-watermark-item img {
    width: 48px;
  }

  .community-section-box-circle {
    width: 100%;
    height: auto;
    aspect-ratio: 1/1;
    margin: auto;
  }

  .community-section-box-circle-2 {
    inset: 50px;
  }
  .development-section-box {
    padding: 32px;
  }
}

/******************** END RESPONSIBLE ***********************/