.page-about__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  padding-top: var(--header-offset, 120px);
  text-align: center;
  background: linear-gradient(135deg, #017439, #004d26); /* Sử dụng màu chủ đạo */
  color: #ffffff;
  overflow: hidden;
}

.page-about__hero-content {
  max-width: 900px;
  z-index: 10;
  margin-bottom: 30px;
}

.page-about__main-heading {
  font-size: 3.2em;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
  color: #FFFF00; /* Màu đặc trưng cho tiêu đề chính */
}

.page-about__intro-text {
  font-size: 1.2em;
  line-height: 1.6;
  margin-bottom: 30px;
  color: #ffffff;
}

.page-about__hero-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-about__btn-primary,
.page-about__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1em;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

.page-about__btn-primary {
  background: #C30808; /* Màu đỏ cho nút chính */
  color: #FFFF00; /* Màu vàng cho chữ */
  border: 2px solid #C30808;
}

.page-about__btn-primary:hover {
  background: #e00b0b;
  border-color: #e00b0b;
  transform: translateY(-2px);
}

.page-about__btn-secondary {
  background: #ffffff;
  color: #017439;
  border: 2px solid #ffffff;
}

.page-about__btn-secondary:hover {
  background: #f0f0f0;
  border-color: #f0f0f0;
  transform: translateY(-2px);
}

.page-about__hero-image-wrapper {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 50%;
  max-width: 800px;
  opacity: 0.7;
  z-index: 5;
}

.page-about__hero-image {
  width: 100%;
  height: auto;
  display: block;
  transform: translateX(10%);
}

.page-about__section {
  padding: 80px 0;
}

.page-about__light-bg {
  background: #ffffff;
  color: #333333;
}

.page-about__dark-bg {
  background: #1a1a2e; /* Body background color */
  color: #ffffff;
}

.page-about__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-about__heading {
  font-size: 2.8em;
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
  color: inherit; /* Kế thừa màu từ nền */
}

.page-about__text {
  font-size: 1.1em;
  line-height: 1.7;
  margin-bottom: 20px;
  text-align: justify;
}

.page-about__text a {
  color: #017439; /* Link color in light background */
  text-decoration: underline;
}

.page-about__dark-bg .page-about__text a {
  color: #FFFF00; /* Link color in dark background */
}

.page-about__content-grid,
.page-about__feature-grid,
.page-about__product-grid,
.page-about__commitment-grid,
.page-about__team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-about__grid-item {
  background: rgba(255, 255, 255, 0.05); /* Slightly transparent white for dark background */
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  color: #ffffff;
}

.page-about__light-bg .page-about__grid-item {
  background: #f9f9f9;
  color: #333333;
}

.page-about__sub-heading {
  font-size: 1.8em;
  font-weight: 600;
  margin-bottom: 15px;
  color: inherit;
}

.page-about__grid-item .page-about__image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
}

.page-about__list {
  list-style: none;
  padding-left: 0;
  margin-bottom: 20px;
}

.page-about__list-item {
  position: relative;
  padding-left: 25px;
  margin-bottom: 10px;
  line-height: 1.6;
}

.page-about__list-item::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #017439;
  font-weight: bold;
}

.page-about__dark-bg .page-about__list-item::before {
  color: #FFFF00; /* Vàng cho nền tối */
}

.page-about__feature-card,
.page-about__product-card,
.page-about__commitment-item,
.page-about__team-member {
  background: #ffffff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: #333333;
}

.page-about__dark-bg .page-about__feature-card,
.page-about__dark-bg .page-about__product-card,
.page-about__dark-bg .page-about__commitment-item,
.page-about__dark-bg .page-about__team-member {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.page-about__feature-image,
.page-about__product-image,
.page-about__team-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
}

.page-about__team-image {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid #017439;
}

.page-about__dark-bg .page-about__team-image {
  border-color: #FFFF00;
}

.page-about__feature-title,
.page-about__product-title,
.page-about__team-name {
  font-size: 1.6em;
  font-weight: 600;
  margin-bottom: 10px;
  color: #017439;
}

.page-about__dark-bg .page-about__feature-title,
.page-about__dark-bg .page-about__product-title,
.page-about__dark-bg .page-about__team-name {
  color: #FFFF00;
}

.page-about__product-title a {
  color: #017439;
  text-decoration: none;
}

.page-about__product-title a:hover {
  text-decoration: underline;
}

.page-about__dark-bg .page-about__product-title a {
  color: #FFFF00;
}

.page-about__dark-bg .page-about__product-title a:hover {
  color: #ffffff;
}

.page-about__feature-description,
.page-about__product-description,
.page-about__team-description,
.page-about__team-role {
  font-size: 1em;
  line-height: 1.6;
  text-align: justify;
}

.page-about__cta {
  padding: 100px 20px;
  background: url('[GALLERY:bg:1920x1080:xoso66,app,download,banner,promo,green]') no-repeat center center/cover;
  text-align: center;
  color: #ffffff;
}

.page-about__cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 40px;
  flex-wrap: wrap;
}

.page-about__faq-list {
  margin-top: 40px;
}

.page-about__faq-item {
  background: #f9f9f9;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  color: #333333;
}

.page-about__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.2em;
  font-weight: 600;
  cursor: pointer;
  background: #f0f0f0;
  border-bottom: 1px solid #e0e0e0;
  transition: background 0.3s ease;
  list-style: none;
}

.page-about__faq-question:hover {
  background: #e5e5e5;
}

.page-about__faq-toggle {
  font-size: 1.5em;
  font-weight: bold;
  color: #017439;
}

.page-about__faq-answer {
  padding: 20px 25px;
  font-size: 1em;
  line-height: 1.6;
  background: #ffffff;
}

.page-about__faq-item[open] .page-about__faq-question {
  background: #e5e5e5;
  border-bottom-color: transparent;
}

.page-about__faq-item[open] .page-about__faq-toggle {
  content: '−';
}

.page-about__faq-item summary::-webkit-details-marker {
  display: none;
}

.page-about__faq-item summary {
  list-style: none;
}

/* Responsive styles */
@media (max-width: 1024px) {
  .page-about__main-heading {
    font-size: 2.8em;
  }
  .page-about__hero-image-wrapper {
    width: 60%;
    transform: translateX(5%);
  }
}

@media (max-width: 768px) {
  .page-about__hero-section {
    flex-direction: column;
    padding: 40px 15px;
    padding-top: var(--header-offset, 120px) !important;
  }
  .page-about__hero-content {
    margin-bottom: 20px;
  }
  .page-about__main-heading {
    font-size: 2.2em;
    line-height: 1.3;
  }
  .page-about__intro-text {
    font-size: 1em;
  }
  .page-about__hero-buttons {
    flex-direction: column;
    gap: 15px;
  }
  .page-about__btn-primary, .page-about__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 1em;
  }
  .page-about__hero-image-wrapper {
    position: static;
    width: 100%;
    max-width: 100%;
    transform: none;
    margin-top: 30px;
    opacity: 1;
  }
  .page-about__hero-image {
    height: auto !important;
    max-width: 100% !important;
    width: 100% !important;
  }
  .page-about__section {
    padding: 50px 0;
  }
  .page-about__container {
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-about__heading {
    font-size: 2em;
    margin-bottom: 30px;
  }
  .page-about__text {
    font-size: 0.95em;
  }
  .page-about__grid-item, .page-about__feature-card, .page-about__product-card, .page-about__commitment-item, .page-about__team-member {
    padding: 20px;
  }
  .page-about__sub-heading {
    font-size: 1.5em;
  }
  .page-about__feature-image, .page-about__product-image, .page-about__team-image {
    height: 180px;
  }
  .page-about__team-image {
    width: 120px;
    height: 120px;
  }
  .page-about__cta {
    padding: 60px 15px;
  }
  .page-about__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }
  .page-about__faq-question {
    font-size: 1.1em;
    padding: 15px 20px;
  }
  .page-about__faq-answer {
    padding: 15px 20px;
  }
  .page-about img {
    max-width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-about__section, .page-about__card, .page-about__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-about__video-section {
    padding-top: var(--header-offset, 120px) !important;
  }
  .page-about video,
  .page-about__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-about__video-section,
  .page-about__video-container,
  .page-about__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }
  .page-about__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-about__cta-button,
  .page-about__btn-primary,
  .page-about__btn-secondary,
  .page-about a[class*="button"],
  .page-about a[class*="btn"] {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-about__cta-buttons,
  .page-about__button-group,
  .page-about__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
  }
  .page-about__cta-buttons {
    display: flex;
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .page-about__main-heading {
    font-size: 1.8em;
  }
  .page-about__heading {
    font-size: 1.8em;
  }
  .page-about__sub-heading {
    font-size: 1.3em;
  }
  .page-about__feature-title,
  .page-about__product-title,
  .page-about__team-name {
    font-size: 1.3em;
  }
  .page-about__hero-buttons,
  .page-about__cta-buttons {
    flex-direction: column;
  }
}