/* style/about.css */
/* body đã có padding-top: var(--header-offset) từ shared.css; trang này không cần thêm */

:root {
  --primary-color: #26A9E0;
  --secondary-color: #FFFFFF;
  --login-color: #EA7C07;
  --dark-background-color: #1a1a2e; /* Màu nền body từ shared.css */
  --light-text-color: #ffffff;
  --dark-text-color: #333333;
  --card-bg-light: rgba(255, 255, 255, 0.1); /* Phù hợp với nền body tối */
}

.page-about {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--light-text-color); /* Toàn bộ text trên nền body tối */
  background-color: var(--dark-background-color);
}

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

.page-about__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
  padding-top: 10px; /* Nhỏ gọn hơn, tránh trùng với padding-top của body */
  box-sizing: border-box;
}

.page-about__hero-image {
  width: 100%;
  height: auto;
  max-height: 675px;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  filter: brightness(0.6); /* Làm tối ảnh để text nổi bật */
}

.page-about__hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  color: var(--light-text-color);
}

.page-about__main-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 15px;
  color: var(--secondary-color);
}

.page-about__tagline {
  font-size: 1.25rem;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.9);
}

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

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

.page-about__btn-primary {
  background-color: var(--primary-color);
  color: var(--light-text-color);
  border: 2px solid var(--primary-color);
}

.page-about__btn-primary:hover {
  background-color: darken(var(--primary-color), 10%);
  border-color: darken(var(--primary-color), 10%);
}

.page-about__btn-secondary {
  background-color: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.page-about__btn-secondary:hover {
  background-color: var(--primary-color);
  color: var(--light-text-color);
}

.page-about__btn-tertiary {
  background-color: var(--login-color);
  color: var(--light-text-color);
  border: 2px solid var(--login-color);
}

.page-about__btn-tertiary:hover {
  background-color: darken(var(--login-color), 10%);
  border-color: darken(var(--login-color), 10%);
}

.page-about__section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 20px;
  color: var(--secondary-color);
}

.page-about__section-description {
  font-size: 1.1rem;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px auto;
  color: rgba(255, 255, 255, 0.8);
}

.page-about__dark-section {
  background-color: #26A9E0; /* Sử dụng màu thương hiệu làm nền */
  color: var(--light-text-color);
  padding: 80px 0;
}

.page-about__mission-vision-section {
  padding: 80px 0;
  background-color: var(--dark-background-color);
}

.page-about__content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
}

.page-about__grid-item {
  background-color: var(--card-bg-light);
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  color: var(--light-text-color);
}

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

.page-about__item-title {
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--secondary-color);
}

.page-about__values-section {
  padding: 80px 0;
  background-color: var(--dark-background-color);
}

.page-about__values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.page-about__value-card {
  background-color: var(--card-bg-light);
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
  color: var(--light-text-color);
}

.page-about__value-card .page-about__card-title {
  font-size: 1.6rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.page-about__history-section {
  padding: 80px 0;
  background-color: var(--dark-background-color);
}

.page-about__history-content {
  text-align: justify;
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
}

.page-about__history-content .page-about__image-full {
  width: 100%;
  height: auto;
  max-height: 500px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 40px;
}

.page-about__history-content p {
  margin-bottom: 20px;
}

.page-about__team-section {
  padding: 80px 0;
  background-color: var(--dark-background-color);
}

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

.page-about__team-member {
  background-color: var(--card-bg-light);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
  color: var(--light-text-color);
}

.page-about__member-photo {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 20px;
  border: 3px solid var(--primary-color);
}

.page-about__member-name {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 5px;
  color: var(--secondary-color);
}

.page-about__member-role {
  font-size: 1.1rem;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.page-about__member-bio {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.7);
}

.page-about__cta-section {
  padding: 80px 0;
  text-align: center;
}

.page-about__faq-section {
  padding: 80px 0;
  background-color: var(--dark-background-color);
}

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

.page-about__faq-item {
  background-color: var(--card-bg-light);
  margin-bottom: 15px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  color: var(--light-text-color);
  overflow: hidden;
}

.page-about__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  font-size: 1.2rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--secondary-color);
  background-color: rgba(255, 255, 255, 0.05);
}

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

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

.page-about__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  margin-left: 15px;
  color: var(--primary-color);
}

.page-about__faq-answer {
  padding: 0 20px 20px 20px;
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.7);
}

.page-about__faq-answer p {
  margin-bottom: 10px;
}

.page-about__faq-answer a {
  color: var(--primary-color);
  text-decoration: underline;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-about__hero-section {
    padding: 40px 15px;
  }

  .page-about__main-title {
    font-size: clamp(2rem, 4.5vw, 3rem);
  }

  .page-about__tagline {
    font-size: 1.1rem;
  }

  .page-about__dark-section,
  .page-about__mission-vision-section,
  .page-about__values-section,
  .page-about__history-section,
  .page-about__team-section,
  .page-about__cta-section,
  .page-about__faq-section {
    padding: 60px 0;
  }
}

@media (max-width: 768px) {
  .page-about {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-about__hero-section {
    padding: 30px 15px;
  }

  .page-about__main-title {
    font-size: clamp(1.8rem, 7vw, 2.5rem);
  }

  .page-about__tagline {
    font-size: 1rem;
  }

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

  .page-about__btn-primary,
  .page-about__btn-secondary,
  .page-about__btn-tertiary {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding: 12px 20px;
    font-size: 1rem;
  }

  .page-about__section-title {
    font-size: clamp(1.8rem, 6vw, 2.2rem);
    margin-bottom: 15px;
  }

  .page-about__section-description {
    font-size: 1rem;
    margin-bottom: 30px;
  }

  .page-about__grid-item,
  .page-about__value-card,
  .page-about__team-member {
    padding: 20px;
  }

  .page-about__grid-item .page-about__image {
    height: 200px;
  }

  .page-about__item-title {
    font-size: 1.5rem;
  }

  .page-about__value-card .page-about__card-title {
    font-size: 1.4rem;
  }

  .page-about__member-photo {
    width: 120px;
    height: 120px;
  }

  .page-about__member-name {
    font-size: 1.3rem;
  }

  .page-about__member-role {
    font-size: 1rem;
  }

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

  .page-about__faq-answer {
    font-size: 0.95rem;
    padding: 0 15px 15px 15px;
  }

  /* Mobile image responsiveness */
  .page-about img {
    max-width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-about__section,
  .page-about__card,
  .page-about__container,
  .page-about__hero-section,
  .page-about__mission-vision-section,
  .page-about__values-section,
  .page-about__history-section,
  .page-about__team-section,
  .page-about__cta-section,
  .page-about__faq-section {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }

  .page-about__hero-image {
    width: 100%;
    max-height: 400px;
  }

  .page-about__history-content .page-about__image-full {
    max-height: 300px;
  }

  .page-about__hero-content {
    padding-top: 50px; /* Adjust for image height */
  }

  .page-about__faq-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
}