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

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

.page-about {
  font-family: Arial, sans-serif;
  color: var(--text-main-color); /* Toàn bộ trang dùng màu chữ sáng trên nền tối */
  background-color: var(--background-color-page);
  line-height: 1.6;
}

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

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

.page-about__section-title {
  font-size: clamp(2em, 4vw, 3em);
  color: var(--gold-color);
  margin-bottom: 20px;
  font-weight: bold;
  line-height: 1.2;
}

.page-about__section-description {
  font-size: 1.1em;
  color: var(--text-secondary-color);
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Hero Section */
.page-about__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: 10px; /* Nhỏ hơn so với body padding-top */
  padding-bottom: 60px;
  background-color: var(--deep-green-color);
  overflow: hidden;
}

.page-about__hero-image-wrapper {
  width: 100%;
  max-height: 600px; /* Giới hạn chiều cao của ảnh */
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 30px;
}

.page-about__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  min-height: 300px;
}

.page-about__hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 20px;
  max-width: 900px;
}

.page-about__main-title {
  font-size: clamp(2.5em, 5vw, 3.8em);
  color: var(--text-main-color);
  margin-bottom: 20px;
  font-weight: 700;
  line-height: 1.1;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-about__intro-text {
  font-size: 1.2em;
  color: var(--text-secondary-color);
  margin-bottom: 30px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Buttons */
.page-about__btn-primary,
.page-about__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: all 0.3s ease;
  cursor: pointer;
  text-align: center;
  box-sizing: border-box;
}

.page-about__btn-primary {
  background: var(--button-gradient);
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-about__btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  opacity: 0.9;
}

.page-about__btn-secondary {
  background: transparent;
  color: var(--secondary-color);
  border: 2px solid var(--secondary-color);
  margin-left: 15px;
}

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

.page-about__btn-center {
  margin-left: auto;
  margin-right: auto;
  display: block;
  max-width: 250px;
}

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

/* About Us Intro Section */
.page-about__about-us-intro {
  background-color: var(--background-color-page);
}

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

.page-about__text-block h3,
.page-about__sub-title {
  color: var(--primary-color);
  font-size: 1.8em;
  margin-bottom: 15px;
}

.page-about__text-block p,
.page-about__about-us-intro p {
  color: var(--text-secondary-color);
  margin-bottom: 15px;
}

.page-about__content-image {
  width: 100%;
  height: auto;
  border-radius: 10px;
  object-fit: cover;
  min-height: 200px;
}

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

.page-about__feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-about__feature-card {
  background-color: var(--deep-green-color);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  text-align: center;
  color: var(--text-main-color);
}

.page-about__feature-icon {
  width: 100%;
  max-width: 150px;
  height: auto;
  margin-bottom: 20px;
  border-radius: 8px;
  min-height: 200px;
  object-fit: cover;
}

.page-about__card-title {
  font-size: 1.5em;
  color: var(--gold-color);
  margin-bottom: 10px;
}

.page-about__feature-card p {
  color: var(--text-secondary-color);
  font-size: 0.95em;
}

.page-about__feature-card a {
  color: var(--secondary-color);
  text-decoration: none;
}

.page-about__feature-card a:hover {
  text-decoration: underline;
}

/* Video Section */
.page-about__video-section {
  padding-top: 60px;
  padding-bottom: 60px;
  background-color: var(--background-color-page);
}

.page-about__video-wrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
  overflow: hidden;
  max-width: 100%;
  margin: 40px auto 0;
  border-radius: 10px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
  width: 100%;
  max-width: 1200px;
}

.page-about__video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  display: block;
  cursor: pointer;
}

/* Our Commitment Section */
.page-about__our-commitment {
  background-color: var(--deep-green-color);
}

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

.page-about__commitment-item {
  background-color: var(--card-bg-color);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  text-align: center;
  color: var(--text-main-color);
}

.page-about__commitment-icon {
  width: 100%;
  max-width: 150px;
  height: auto;
  margin-bottom: 20px;
  border-radius: 8px;
  min-height: 200px;
  object-fit: cover;
}

.page-about__commitment-item p {
  color: var(--text-secondary-color);
}

.page-about__commitment-item a {
  color: var(--secondary-color);
  text-decoration: none;
}

.page-about__commitment-item a:hover {
  text-decoration: underline;
}

/* Team Section */
.page-about__team-section {
  background-color: var(--background-color-page);
}

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

.page-about__team-member {
  background-color: var(--card-bg-color);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  text-align: center;
  color: var(--text-main-color);
}

.page-about__team-photo {
  width: 100%;
  max-width: 250px;
  height: auto;
  border-radius: 50%;
  margin: 0 auto 20px;
  object-fit: cover;
  min-height: 200px;
  min-width: 200px;
}

.page-about__member-name {
  font-size: 1.5em;
  color: var(--gold-color);
  margin-bottom: 10px;
}

.page-about__member-role {
  color: var(--text-secondary-color);
  font-style: italic;
}

/* Partnership Opportunities Section */
.page-about__partnership-opportunities {
  background-color: var(--deep-green-color);
}

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

.page-about__partnership-item {
  background-color: var(--card-bg-color);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  text-align: center;
  color: var(--text-main-color);
}

.page-about__partnership-icon {
  width: 100%;
  max-width: 150px;
  height: auto;
  margin-bottom: 20px;
  border-radius: 8px;
  min-height: 200px;
  object-fit: cover;
}

.page-about__partnership-item p {
  color: var(--text-secondary-color);
}

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

.page-about__faq-list {
  max-width: 800px;
  margin: 40px auto;
  text-align: left;
}

.page-about__faq-item {
  background-color: var(--card-bg-color);
  margin-bottom: 15px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

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

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

.page-about__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  font-size: 1.2em;
  font-weight: bold;
  color: var(--text-main-color);
  cursor: pointer;
  background-color: var(--deep-green-color);
  border-bottom: 1px solid var(--divider-color);
}

.page-about__faq-question:hover {
  background-color: #1a4d33; /* Slightly lighter deep green on hover */
}

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

.page-about__faq-toggle {
  font-size: 1.5em;
  margin-left: 15px;
  color: var(--gold-color);
}

.page-about__faq-answer {
  padding: 20px;
  font-size: 1em;
  color: var(--text-secondary-color);
  border-top: 1px solid var(--divider-color);
}

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

.page-about__faq-answer .page-about__btn-primary {
  margin-top: 15px;
  max-width: 200px;
  display: block;
  margin-left: 0;
}

.page-about__more-faq {
  margin-top: 30px;
  font-size: 1.1em;
  color: var(--text-secondary-color);
}

.page-about__more-faq a {
  color: var(--secondary-color);
  text-decoration: none;
  font-weight: bold;
}

.page-about__more-faq a:hover {
  text-decoration: underline;
}

/* Contact Us Section */
.page-about__contact-us {
  background-color: var(--card-bg-color);
}

.page-about__contact-info {
  margin-top: 40px;
  font-size: 1.1em;
  color: var(--text-main-color);
  text-align: center;
}

.page-about__contact-info p {
  margin-bottom: 10px;
}

.page-about__contact-info strong {
  color: var(--primary-color);
}

/* Global image styles for content areas */
.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__content-grid .page-about__text-block, 
  .page-about__content-grid .page-about__image-block {
    text-align: center;
  }
  .page-about__content-image {
    max-width: 600px;
    margin: 20px auto;
  }
  .page-about__btn-secondary {
    margin-left: 0;
    margin-top: 15px;
  }
}

@media (max-width: 768px) {
  .page-about__hero-section {
    padding-bottom: 40px;
  }
  .page-about__main-title {
    font-size: 2.2em;
  }
  .page-about__intro-text {
    font-size: 1em;
  }
  .page-about__section {
    padding: 40px 0;
  }
  .page-about__section-title {
    font-size: 2em;
  }
  .page-about__section-description {
    font-size: 0.95em;
  }
  .page-about__feature-grid,
  .page-about__commitment-grid,
  .page-about__team-grid,
  .page-about__partnership-grid {
    grid-template-columns: 1fr;
  }

  /* Mobile image forced adaptation */
  .page-about img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  /* Mobile video forced adaptation */
  .page-about video,
  .page-about__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  /* Mobile button forced adaptation */
  .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;
  }
  /* Container forced adaptation */
  .page-about__section,
  .page-about__card,
  .page-about__container,
  .page-about__video-section,
  .page-about__video-container,
  .page-about__video-wrapper,
  .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;
  }
  /* Specific top padding for video section on mobile */
  .page-about__video-section {
    padding-top: 10px !important;
  }
  .page-about__cta-buttons {
    flex-direction: column !important;
    gap: 10px;
  }
  .page-about__btn-center {
    max-width: 100% !important;
  }
  .page-about__team-photo {
    max-width: 150px;
    min-height: 150px;
    min-width: 150px;
  }
  .page-about__faq-question {
    font-size: 1.1em;
    padding: 15px;
  }
  .page-about__faq-answer {
    font-size: 0.95em;
    padding: 15px;
  }
}