/* style/about.css */
.page-about {
  color: #ffffff; /* Body background is dark (#121212), so use light text */
  line-height: 1.6;
  font-family: 'Arial', sans-serif;
}

.page-about__hero-section {
  position: relative;
  width: 100%;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding-top: var(--header-offset, 120px);
  background-color: #017439; /* Fallback */
}

.page-about__hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  filter: brightness(0.7);
}

.page-about__hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  padding: 20px;
  background-color: rgba(0, 0, 0, 0.5);
  border-radius: 10px;
}

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

.page-about__hero-description {
  font-size: 1.3em;
  color: #f0f0f0;
  margin-bottom: 30px;
}

.page-about__hero-btn {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: background-color 0.3s ease;
}

.page-about__btn-primary {
  background-color: #C30808; /* Đăng ký color */
  color: #FFFF00; /* Đăng ký và Đăng nhập font color */
  border: none;
}

.page-about__btn-primary:hover {
  background-color: #a00606;
}

.page-about__btn-secondary {
  background-color: #017439;
  color: #FFFFFF;
  border: 2px solid #017439;
  margin-left: 15px;
}

.page-about__btn-secondary:hover {
  background-color: #005a2e;
}

.page-about__section-title {
  font-size: 2.5em;
  color: #FFFFFF;
  text-align: center;
  margin-bottom: 40px;
  position: relative;
  padding-bottom: 15px;
}

.page-about__section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: #C30808;
  border-radius: 2px;
}

.page-about__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
}

.page-about__dark-section {
  background-color: #1a1a1a;
  color: #ffffff;
}

.page-about__introduction-section .page-about__section-title {
    color: #FFFFFF;
}

.page-about__content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.page-about__text-block p {
  font-size: 1.1em;
  margin-bottom: 20px;
  color: #f0f0f0;
}

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

.page-about__image {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.page-about__mission-vision-section {
  background-color: #222222;
  padding: 60px 0;
}

.page-about__mission-vision-section .page-about__section-title {
    color: #FFFFFF;
}

.page-about__card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.page-about__card {
  background: #333333; /* Darker background for cards on light sections */
  color: #ffffff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease;
}

.page-about__card:hover {
  transform: translateY(-5px);
}

.page-about__card-title {
  font-size: 1.8em;
  color: #C30808;
  margin-bottom: 15px;
}

.page-about__card p {
  font-size: 1em;
  line-height: 1.7;
  color: #e0e0e0;
}

.page-about__values-section {
  padding: 60px 0;
}

.page-about__values-section .page-about__section-title {
    color: #FFFFFF;
}

.page-about__values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  text-align: center;
}

.page-about__value-item {
  background: #333333;
  color: #ffffff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.page-about__value-icon {
  width: 100%;
  max-width: 150px;
  height: auto;
  margin-bottom: 20px;
  border-radius: 5px;
}

.page-about__value-title {
  font-size: 1.5em;
  color: #C30808;
  margin-bottom: 10px;
}

.page-about__value-item p {
  font-size: 1em;
  color: #e0e0e0;
}

.page-about__why-choose-us-section {
  background-color: #222222;
  padding: 60px 0;
}

.page-about__why-choose-us-section .page-about__section-title {
    color: #FFFFFF;
}

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

.page-about__feature-card {
  background: #333333;
  color: #ffffff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  text-align: center;
}

.page-about__feature-title {
  font-size: 1.6em;
  color: #C30808;
  margin-bottom: 15px;
}

.page-about__feature-card p {
  font-size: 1em;
  color: #e0e0e0;
}

.page-about__cta-section {
  padding: 80px 0;
  text-align: center;
  background-color: #017439;
  color: #ffffff;
}

.page-about__cta-title {
  font-size: 2.8em;
  margin-bottom: 20px;
  color: #FFFFFF;
}

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

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

.page-about__cta-button {
  display: inline-block;
  padding: 15px 35px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.page-about__faq-section {
  background-color: #1a1a1a;
  padding: 60px 0;
}

.page-about__faq-section .page-about__section-title {
    color: #FFFFFF;
}

.page-about__faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.page-about__faq-item {
  background-color: #333333;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: #ffffff;
}

.page-about__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  font-size: 1.2em;
  font-weight: bold;
  color: #FFFFFF;
  background-color: #017439;
  border-bottom: 1px solid #005a2e;
  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;
  margin-left: 15px;
  transition: transform 0.3s ease;
}

.page-about__faq-item[open] .page-about__faq-toggle {
  transform: rotate(45deg);
}

.page-about__faq-answer {
  padding: 20px 25px;
  font-size: 1.05em;
  line-height: 1.7;
  color: #e0e0e0;
  background-color: #333333;
}

/* Responsive styles */
@media (max-width: 1024px) {
  .page-about__hero-title {
    font-size: 2.8em;
  }
  .page-about__hero-description {
    font-size: 1.1em;
  }
  .page-about__section-title {
    font-size: 2em;
  }
  .page-about__content-grid,
  .page-about__card-grid,
  .page-about__values-grid,
  .page-about__features-grid {
    grid-template-columns: 1fr;
  }
  .page-about__cta-title {
    font-size: 2.2em;
  }
  .page-about__cta-description {
    font-size: 1.1em;
  }
  .page-about__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }
  .page-about__btn-secondary {
    margin-left: 0;
  }
}

@media (max-width: 768px) {
  .page-about {
    font-size: 16px;
    line-height: 1.6;
  }
  .page-about__hero-section {
    min-height: 450px;
    padding: 40px 15px;
    padding-top: var(--header-offset, 120px) !important;
  }
  .page-about__hero-title {
    font-size: 2em;
  }
  .page-about__hero-description {
    font-size: 1em;
  }
  .page-about__hero-btn {
    padding: 12px 25px;
    font-size: 1em;
  }
  .page-about__container {
    padding: 30px 15px;
  }
  .page-about__section-title {
    font-size: 1.8em;
    margin-bottom: 30px;
  }
  .page-about__image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-about__card,
  .page-about__value-item,
  .page-about__feature-card {
    padding: 20px;
  }
  .page-about__cta-section {
    padding: 50px 15px;
  }
  .page-about__cta-title {
    font-size: 1.8em;
  }
  .page-about__cta-description {
    font-size: 1em;
  }
  .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;
    flex-direction: column !important; /* Ensure vertical stack for buttons */
    overflow: hidden !important;
  }
  .page-about__section,
  .page-about__card,
  .page-about__container,
  .page-about__text-block,
  .page-about__image-block,
  .page-about__value-item,
  .page-about__feature-card,
  .page-about__faq-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
}

/* Ensure images within content areas are responsive and not smaller than 200px */
.page-about__content-area img, .page-about__text-block img, .page-about__image-block img {
  min-width: 200px;
  min-height: 200px;
}

@media (max-width: 768px) {
    .page-about img {
        max-width: 100% !important;
        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;
    }
}