.page-about__hero-section {
  position: relative;
  background: linear-gradient(135deg, #26A9E0, #1A7BB8);
  color: #ffffff;
  padding: 80px 20px;
  padding-top: var(--header-offset, 120px);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
}

.page-about__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
  box-sizing: border-box;
}

.page-about__hero-title {
  font-size: 3.2em;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
  color: #ffffff;
}

.page-about__hero-description {
  font-size: 1.2em;
  line-height: 1.6;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  color: #f0f0f0;
}

.page-about__btn-primary {
  display: inline-block;
  background: #EA7C07; /* Màu cam cho nút đăng ký */
  color: #ffffff;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1em;
  transition: background-color 0.3s ease, transform 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-about__btn-primary:hover {
  background-color: #d86a00;
  transform: translateY(-2px);
}

.page-about__content-section,
.page-about__values-section,
.page-about__products-section,
.page-about__security-section,
.page-about__team-support-section,
.page-about__cta-section,
.page-about__faq-section {
  padding: 60px 0;
  color: #333333;
}

.page-about__dark-section {
  background-color: #26A9E0;
  color: #ffffff;
}

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

.page-about__section-title {
  font-size: 2.5em;
  font-weight: 700;
  text-align: center;
  margin-bottom: 50px;
  color: inherit;
}

.page-about__sub-title {
  font-size: 1.8em;
  font-weight: 600;
  margin-top: 30px;
  margin-bottom: 20px;
  color: inherit;
}

.page-about__text-block p {
  font-size: 1.1em;
  line-height: 1.7;
  margin-bottom: 15px;
  color: inherit;
}

.page-about__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 30px;
}

.page-about__card {
  background: #ffffff;
  color: #333333;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  text-align: left;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-about__card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-about__card-title {
  font-size: 1.5em;
  font-weight: 600;
  margin-bottom: 15px;
  color: #26A9E0;
}

.page-about__card p {
  font-size: 1em;
  line-height: 1.6;
  color: #555555;
}

.page-about__card--dark-bg {
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
}

.page-about__card--dark-bg .page-about__card-title {
  color: #ffffff;
}

.page-about__card--dark-bg p {
  color: #f0f0f0;
}

.page-about__grid-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 60px;
}

.page-about__grid-reverse {
  grid-template-areas: "image text";
}

.page-about__grid-reverse .page-about__image-wrapper {
  grid-area: image;
}

.page-about__grid-reverse .page-about__text-block {
  grid-area: text;
}

.page-about__image-wrapper {
  text-align: center;
}

.page-about__image {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  display: block;
  margin: 0 auto;
}

.page-about__btn-secondary {
  display: inline-block;
  background: #ffffff;
  color: #26A9E0;
  padding: 12px 25px;
  border: 2px solid #26A9E0;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1em;
  transition: background-color 0.3s ease, color 0.3s ease;
  margin-top: 20px;
}

.page-about__btn-secondary:hover {
  background-color: #26A9E0;
  color: #ffffff;
}

.page-about__cta-section {
  text-align: center;
  padding: 80px 0;
  background: linear-gradient(135deg, #26A9E0, #1A7BB8);
  color: #ffffff;
}

.page-about__cta-description {
  font-size: 1.2em;
  line-height: 1.6;
  max-width: 900px;
  margin: 0 auto 40px auto;
  color: #f0f0f0;
}

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

.page-about__cta-buttons .page-about__btn-secondary {
  background: transparent;
  border-color: #ffffff;
  color: #ffffff;
}

.page-about__cta-buttons .page-about__btn-secondary:hover {
  background-color: #ffffff;
  color: #26A9E0;
}

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

.page-about__faq-item {
  background: #f9f9f9;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-about__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.2em;
  font-weight: 600;
  color: #333333;
  cursor: pointer;
  background: #f0f0f0;
  border-bottom: 1px solid #e0e0e0;
  user-select: none;
  list-style: none;
}

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

.page-about__faq-qtext {
  flex-grow: 1;
}

.page-about__faq-toggle {
  font-size: 1.5em;
  font-weight: 600;
  color: #26A9E0;
  margin-left: 15px;
}

.page-about__faq-answer {
  padding: 0 25px 20px;
  font-size: 1.1em;
  line-height: 1.7;
  color: #555555;
}

.page-about__faq-item[open] .page-about__faq-question {
  border-bottom: 1px solid #e0e0e0;
}

.page-about__faq-item[open] .page-about__faq-answer {
  padding-top: 15px;
}

/* Responsive styles */
@media (max-width: 1024px) {
  .page-about__hero-title {
    font-size: 2.8em;
  }

  .page-about__section-title {
    font-size: 2em;
  }

  .page-about__sub-title {
    font-size: 1.5em;
  }

  .page-about__grid-two-col {
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .page-about__hero-section {
    padding: 60px 15px;
    min-height: 300px;
  }

  .page-about__hero-title {
    font-size: 2.2em;
    margin-bottom: 15px;
  }

  .page-about__hero-description {
    font-size: 1em;
    margin-bottom: 30px;
  }

  .page-about__btn-primary {
    padding: 12px 25px;
    font-size: 1em;
  }

  .page-about__content-section,
  .page-about__values-section,
  .page-about__products-section,
  .page-about__security-section,
  .page-about__team-support-section,
  .page-about__cta-section,
  .page-about__faq-section {
    padding: 40px 0;
  }

  .page-about__section-title {
    font-size: 1.8em;
    margin-bottom: 30px;
  }

  .page-about__grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-about__grid-two-col {
    grid-template-columns: 1fr;
    gap: 30px;
    margin-bottom: 40px;
  }

  .page-about__grid-reverse {
    grid-template-areas: none;
  }

  .page-about__image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-about__image-wrapper,
  .page-about__video-section,
  .page-about__video-container,
  .page-about__video-wrapper,
  .page-about__section,
  .page-about__card,
  .page-about__container,
  .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;
    overflow: hidden !important;
  }

  .page-about__video-section {
    padding-top: var(--header-offset, 120px) !important;
  }

  .page-about__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }

  .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;
  }

  .page-about__faq-question {
    font-size: 1.1em;
    padding: 15px 20px;
  }

  .page-about__faq-answer {
    font-size: 1em;
    padding: 0 20px 15px;
  }
}