.page-about {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #F2FFF6; /* Text Main */
  background-color: #08160F; /* Background */
}

.page-about__section {
  padding: 60px 0;
  background-color: #08160F; /* Background */
}

.page-about__dark-bg {
  background-color: #0A4B2C; /* Deep Green */
}

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

.page-about__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 10px 0 60px 0; /* body đã có padding-top, đây chỉ là khoảng cách trang trí */
  overflow: hidden;
}

.page-about__hero-image-wrapper {
  width: 100%;
  height: 600px;
  overflow: hidden;
  position: relative;
}

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

.page-about__hero-content {
  position: relative;
  z-index: 10;
  padding: 20px;
  max-width: 900px;
  margin-top: -150px; /* Kéo nội dung lên trên hình ảnh một chút nhưng không che phủ */
  background: rgba(17, 47, 30, 0.9); /* Card BG with transparency */
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.page-about__main-title {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: bold;
  color: #F2C14E; /* Gold */
  margin-bottom: 20px;
  line-height: 1.2;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.page-about__description {
  font-size: 1.1rem;
  color: #A7D9B8; /* Text Secondary */
  margin-bottom: 30px;
}

.page-about__heading {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: #F2C14E; /* Gold */
  text-align: center;
  margin-bottom: 40px;
  font-weight: bold;
}

.page-about__sub-heading {
  font-size: clamp(1.4rem, 3vw, 2rem);
  color: #F2FFF6; /* Text Main */
  margin-top: 30px;
  margin-bottom: 15px;
  font-weight: bold;
}

.page-about__paragraph {
  font-size: 1rem;
  color: #A7D9B8; /* Text Secondary */
  margin-bottom: 20px;
}

.page-about__cta-button {
  display: inline-block;
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: #F2FFF6; /* Text Main */
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 10px rgba(0, 170, 0, 0.3);
  border: none;
  cursor: pointer;
}

.page-about__cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 15px rgba(0, 170, 0, 0.5);
  opacity: 0.9;
}

.page-about__cta-wrapper {
  text-align: center;
  margin-top: 40px;
}

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

.page-about__card {
  background-color: #11271B; /* Card BG */
  border-radius: 10px;
  padding: 25px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  text-align: center;
  border: 1px solid #2E7A4E; /* Border */
  transition: transform 0.3s ease;
}

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

.page-about__card-image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.page-about__card-title {
  font-size: 1.4rem;
  color: #F2C14E; /* Gold */
  margin-bottom: 10px;
  font-weight: bold;
}

.page-about__card-text {
  font-size: 0.95rem;
  color: #A7D9B8; /* Text Secondary */
}

.page-about__product-list {
  list-style: none;
  padding: 0;
  margin-top: 30px;
}

.page-about__product-item {
  background-color: #11271B; /* Card BG */
  border-left: 5px solid #11A84E; /* Main Color */
  padding: 20px;
  margin-bottom: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.page-about__product-title {
  font-size: 1.3rem;
  color: #F2FFF6; /* Text Main */
  margin-bottom: 10px;
  font-weight: bold;
}

.page-about__product-description {
  font-size: 1rem;
  color: #A7D9B8; /* Text Secondary */
}

.page-about__image-full-width {
  width: 100%;
  height: auto;
  display: block;
  margin: 40px 0;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.page-about__feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-about__feature-item {
  background-color: #11271B; /* Card BG */
  padding: 25px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  border: 1px solid #2E7A4E; /* Border */
}

.page-about__feature-icon {
  width: 100px;
  height: 100px;
  object-fit: contain;
  margin-bottom: 20px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.page-about__feature-title {
  font-size: 1.25rem;
  color: #F2C14E; /* Gold */
  margin-bottom: 10px;
  font-weight: bold;
}

.page-about__feature-text {
  font-size: 0.95rem;
  color: #A7D9B8; /* Text Secondary */
}

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

.page-about__faq-item {
  background-color: #11271B; /* Card BG */
  border: 1px solid #2E7A4E; /* Border */
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-about__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  cursor: pointer;
  font-size: 1.1rem;
  font-weight: bold;
  color: #F2FFF6; /* Text Main */
  background-color: #0A4B2C; /* Deep Green */
  list-style: none; /* For details/summary */
}

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

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

.page-about__faq-toggle {
  font-size: 1.5rem;
  margin-left: 15px;
  color: #F2C14E; /* Gold */
}

.page-about__faq-item[open] .page-about__faq-question {
  border-bottom: 1px solid #2E7A4E; /* Border */
}

.page-about__faq-answer {
  padding: 20px;
  font-size: 1rem;
  color: #A7D9B8; /* Text Secondary */
}

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

  .page-about__container,
  .page-about__hero-content,
  .page-about__cta-wrapper,
  .page-about__grid,
  .page-about__feature-grid,
  .page-about__product-list,
  .page-about__faq-list {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
  }

  .page-about__hero-section {
    padding: 10px 0 30px 0;
  }

  .page-about__hero-image-wrapper {
    height: 400px;
  }

  .page-about__hero-content {
    margin-top: -100px;
    padding: 15px;
  }

  .page-about__main-title {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
    margin-bottom: 15px;
  }

  .page-about__description {
    font-size: 1rem;
    margin-bottom: 20px;
  }

  .page-about__heading {
    font-size: clamp(1.6rem, 5vw, 2.2rem);
    margin-bottom: 30px;
  }

  .page-about__sub-heading {
    font-size: clamp(1.2rem, 4vw, 1.6rem);
  }

  .page-about__section {
    padding: 40px 0;
  }

  .page-about__cta-button {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding: 12px 20px;
    font-size: 1rem;
  }

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

  .page-about__card-title,
  .page-about__feature-title,
  .page-about__product-title {
    font-size: 1.2rem;
  }

  .page-about__card-text,
  .page-about__feature-text,
  .page-about__product-description,
  .page-about__paragraph,
  .page-about__faq-answer {
    font-size: 0.9rem;
  }

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

  .page-about__image-full-width {
    margin: 20px 0;
  }

  .page-about__faq-question {
    font-size: 1rem;
    padding: 15px;
  }

  .page-about__faq-toggle {
    font-size: 1.2rem;
  }
}