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

:root {
  --page-about-bg-color: #08160F;
  --page-about-card-bg: #11271B;
  --page-about-text-main: #F2FFF6;
  --page-about-text-secondary: #A7D9B8;
  --page-about-btn-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --page-about-border-color: #2E7A4E;
  --page-about-glow-color: #57E38D;
  --page-about-gold-color: #F2C14E;
  --page-about-divider-color: #1E3A2A;
  --page-about-deep-green: #0A4B2C;
  --page-about-primary-color: #11A84E;
  --page-about-secondary-color: #22C768;
}

.page-about {
  background-color: var(--page-about-bg-color);
  color: var(--page-about-text-main);
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
}

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

.page-about__section {
  padding: 60px 0;
  text-align: center;
}

.page-about__dark-section {
  background-color: var(--page-about-card-bg);
  color: var(--page-about-text-main);
}

.page-about__section-title {
  font-size: 2.8em;
  font-weight: 700;
  margin-bottom: 40px;
  color: var(--page-about-gold-color);
  text-shadow: 0 0 10px rgba(242, 193, 78, 0.4);
}

.page-about__sub-title {
  font-size: 1.8em;
  font-weight: 600;
  margin-top: 30px;
  margin-bottom: 15px;
  color: var(--page-about-secondary-color);
}

.page-about__description {
  font-size: 1.1em;
  margin-bottom: 30px;
  color: var(--page-about-text-secondary);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

/* Hero Section */
.page-about__hero-section {
  position: relative;
  padding: 10px 0 60px 0; /* body đã xử lý padding-top, chỉ cần 10px trang trí */
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.page-about__hero-image-container {
  width: 100%;
  max-height: 500px;
  overflow: hidden;
  position: relative;
}

.page-about__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  object-position: center;
  min-height: 200px; /* Đảm bảo kích thước tối thiểu */
}

.page-about__hero-content {
  position: relative;
  z-index: 10;
  max-width: 900px;
  margin-top: 40px;
  padding: 0 20px;
  text-align: center;
}

.page-about__main-title {
  font-size: clamp(2em, 4vw, 3.5em); /* Sử dụng clamp cho kích thước tiêu đề linh hoạt */
  font-weight: 800;
  color: var(--page-about-gold-color);
  margin-bottom: 20px;
  line-height: 1.2;
  text-shadow: 0 0 15px rgba(242, 193, 78, 0.6);
}

.page-about__hero-description {
  font-size: 1.2em;
  color: var(--page-about-text-main);
  margin-bottom: 40px;
  line-height: 1.5;
}

/* Buttons */
.page-about__btn-primary,
.page-about__btn-secondary {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1em;
  transition: all 0.3s ease;
  cursor: pointer;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  max-width: 100%;
}

.page-about__btn-primary {
  background: var(--page-about-btn-gradient);
  color: var(--page-about-text-main);
  border: 2px solid transparent;
  box-shadow: 0 4px 15px rgba(17, 168, 78, 0.4);
}

.page-about__btn-primary:hover {
  background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
  box-shadow: 0 6px 20px rgba(17, 168, 78, 0.6);
  transform: translateY(-2px);
}

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

.page-about__btn-secondary:hover {
  background: var(--page-about-secondary-color);
  color: var(--page-about-text-main);
  transform: translateY(-2px);
}

.page-about__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  box-sizing: border-box;
}

/* Mission & Vision */
.page-about__mission-vision .page-about__container {
  text-align: left;
}

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

.page-about__text-block {
  padding-right: 20px;
}

.page-about__image-block img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  min-height: 200px; /* Đảm bảo kích thước tối thiểu */
}

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

.page-about__list li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 10px;
  color: var(--page-about-text-main);
}

.page-about__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--page-about-secondary-color);
  font-weight: bold;
}

/* Why Choose Section */
.page-about__why-choose {
  background-color: var(--page-about-card-bg);
}

.page-about__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  max-width: 1100px;
  margin: 0 auto;
}

.page-about__card {
  background-color: var(--page-about-bg-color);
  border: 1px solid var(--page-about-border-color);
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  color: var(--page-about-text-main);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-about__card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.page-about__card-title {
  font-size: 1.5em;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--page-about-gold-color);
}

.page-about__card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-top: 20px;
  min-height: 200px; /* Đảm bảo kích thước tối thiểu */
}

/* Products & Services */
.page-about__product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  max-width: 1100px;
  margin: 0 auto;
  margin-top: 40px;
}

.page-about__product-item {
  background-color: var(--page-about-card-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  text-align: left;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  color: var(--page-about-text-main);
}

.page-about__product-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.page-about__product-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  min-height: 200px; /* Đảm bảo kích thước tối thiểu */
}

.page-about__product-title {
  font-size: 1.4em;
  font-weight: 600;
  margin: 20px 20px 10px 20px;
}

.page-about__product-title a {
  color: var(--page-about-gold-color);
  text-decoration: none;
}

.page-about__product-title a:hover {
  color: var(--page-about-secondary-color);
  text-decoration: underline;
}

.page-about__product-item p {
  font-size: 0.95em;
  color: var(--page-about-text-secondary);
  padding: 0 20px 20px 20px;
}

/* Commitment Section */
.page-about__commitment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  max-width: 1100px;
  margin: 0 auto;
}

.page-about__commitment-grid .page-about__card {
  background-color: var(--page-about-bg-color);
}

/* Join Community */
.page-about__cta-box {
  background-color: var(--page-about-card-bg);
  border-radius: 12px;
  padding: 50px 30px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  margin-top: 40px;
}

.page-about__cta-box .page-about__section-title {
  margin-bottom: 20px;
  color: var(--page-about-gold-color);
}

.page-about__cta-box .page-about__description {
  margin-bottom: 30px;
}

/* FAQ Section */
.page-about__faq-section {
  background-color: var(--page-about-card-bg);
}

.page-about__faq-list {
  max-width: 900px;
  margin: 0 auto;
  text-align: left;
  margin-top: 40px;
}

.page-about__faq-item {
  background-color: var(--page-about-bg-color);
  border: 1px solid var(--page-about-border-color);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.page-about__faq-item[open] {
  background-color: var(--page-about-deep-green);
  border-color: var(--page-about-secondary-color);
}

.page-about__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.2em;
  font-weight: 600;
  color: var(--page-about-text-main);
  cursor: pointer;
  transition: background-color 0.3s ease;
  list-style: none; /* Remove default marker */
}

.page-about__faq-question::-webkit-details-marker {
  display: none; /* Hide default marker for webkit browsers */
}

.page-about__faq-question:hover {
  background-color: var(--page-about-divider-color);
}

.page-about__faq-qtext {
  flex-grow: 1;
  color: var(--page-about-gold-color);
}

.page-about__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  margin-left: 15px;
  color: var(--page-about-secondary-color);
  transition: transform 0.3s ease;
}

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

.page-about__faq-answer {
  padding: 0 25px 20px 25px;
  font-size: 1.05em;
  color: var(--page-about-text-secondary);
}

/* Global image settings to ensure minimum size and responsiveness */
.page-about img {
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* Responsive adjustments */
@media (max-width: 992px) {
  .page-about__content-grid {
    grid-template-columns: 1fr;
  }

  .page-about__text-block {
    padding-right: 0;
  }

  .page-about__image-block {
    order: -1; /* Đặt hình ảnh lên trên trên mobile */
  }
}

@media (max-width: 768px) {
  .page-about__section {
    padding: 40px 0;
  }

  .page-about__section-title {
    font-size: 2em;
    margin-bottom: 30px;
  }

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

  .page-about__hero-section {
    padding: 10px 0 40px 0;
  }

  .page-about__main-title {
    font-size: clamp(1.8em, 6vw, 2.5em);
  }

  .page-about__hero-description {
    font-size: 1em;
  }

  .page-about__cta-buttons {
    flex-direction: column;
    gap: 15px;
    padding: 0 15px;
  }

  .page-about__btn-primary,
  .page-about__btn-secondary {
    width: 100% !important;
    padding: 12px 20px;
  }

  .page-about__features-grid,
  .page-about__product-grid,
  .page-about__commitment-grid {
    grid-template-columns: 1fr;
    padding: 0 15px;
  }

  .page-about__card,
  .page-about__product-item {
    padding: 20px;
  }

  .page-about__card-image,
  .page-about__product-image {
    height: 180px;
  }

  .page-about__faq-list {
    padding: 0 15px;
  }

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

  .page-about__faq-answer {
    padding: 0 20px 15px 20px;
    font-size: 0.95em;
  }

  /* Mobile image and container responsiveness with !important */
  .page-about img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    min-height: 200px !important; /* Đảm bảo kích thước tối thiểu trên mobile */
  }

  .page-about__section,
  .page-about__card,
  .page-about__container,
  .page-about__cta-box,
  .page-about__product-item,
  .page-about__image-block {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }
  
  .page-about__hero-section {
    padding-top: 10px !important; /* body đã xử lý --header-offset, chỉ cần 10px */
  }

  .page-about__text-block p, .page-about__list li, .page-about p {
    font-size: 15px;
  }
}

@media (max-width: 480px) {
  .page-about__section-title {
    font-size: 1.8em;
  }

  .page-about__main-title {
    font-size: clamp(1.5em, 7vw, 2.2em);
  }

  .page-about__hero-image-container {
    max-height: 300px;
  }

  .page-about__card-image,
  .page-about__product-image {
    height: 150px;
  }
}