/* style/about.css */
.page-about {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--text-main); /* Sử dụng Text Main từ custom colors */
  background-color: var(--background-color); /* Body background từ custom colors */
}

.page-about__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 60px 20px;
  padding-top: 10px; /* Nhỏ gọn để không bị đè bởi header, body đã có padding-top */
  background-color: var(--background-color);
}

.page-about__hero-image-wrapper {
  width: 100%;
  max-width: 1920px;
  overflow: hidden;
  border-radius: 10px;
  margin-bottom: 30px;
}

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

.page-about__hero-content {
  text-align: center;
  max-width: 900px;
  color: var(--text-main);
}

.page-about__main-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-main);
  line-height: 1.2;
}

.page-about__hero-description {
  font-size: 1.1rem;
  margin-bottom: 30px;
  color: var(--text-secondary);
}

.page-about__btn-primary {
  display: inline-block;
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: #ffffff;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: background 0.3s ease, transform 0.3s ease;
  border: none;
  cursor: pointer;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-about__btn-primary:hover {
  background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
  transform: translateY(-2px);
}

.page-about__section {
  padding: 60px 20px;
  background-color: var(--background-color);
}

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

.page-about__light-bg {
  background-color: var(--background-color);
  color: var(--text-main);
}

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

.page-about__section-title {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 700;
  color: var(--text-main);
  text-align: center;
  margin-bottom: 40px;
  line-height: 1.3;
}

.page-about__paragraph {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  text-align: justify;
}

.page-about__image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  margin: 40px auto;
  object-fit: cover;
}

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

.page-about__feature-card, .page-about__service-item {
  background-color: var(--deep-green); /* Sử dụng Deep Green cho card nền */
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  text-align: center;
  transition: transform 0.3s ease;
}

.page-about__feature-card:hover, .page-about__service-item:hover {
  transform: translateY(-5px);
}

.page-about__feature-title, .page-about__service-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--gold); /* Sử dụng Gold cho tiêu đề */
  margin-bottom: 15px;
}

.page-about__feature-description, .page-about__service-description {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.page-about__cta-wrapper {
  text-align: center;
  margin-top: 50px;
}

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

.page-about__faq-item {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: var(--text-main);
}

.page-about__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  background-color: var(--divider); /* Màu nền cho câu hỏi */
  border-bottom: 1px solid transparent; /* Sẽ thay đổi khi mở */
}

.page-about__faq-item[open] .page-about__faq-question {
  border-bottom-color: var(--border-color);
}

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

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

.page-about__faq-toggle {
  font-size: 1.5rem;
  font-weight: bold;
  margin-left: 15px;
  color: var(--glow); /* Màu Glow cho dấu + */
}

.page-about__faq-item[open] .page-about__faq-toggle {
  content: '−'; /* Thay đổi dấu khi mở */
}

.page-about__faq-answer {
  padding: 20px 25px;
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.page-about__cta-final {
  padding: 80px 20px;
  text-align: center;
  background-color: var(--deep-green);
  color: var(--text-main);
}

.page-about__cta-content .page-about__section-title {
  color: var(--text-main);
}

.page-about__cta-content .page-about__paragraph {
  color: var(--text-secondary);
  margin-bottom: 40px;
}

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

  .page-about__section {
    padding: 40px 15px;
  }

  .page-about__main-title {
    font-size: clamp(2rem, 5vw, 3rem);
  }

  .page-about__section-title {
    font-size: clamp(1.6rem, 4vw, 2.5rem);
  }

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

  .page-about__features-grid, .page-about__services-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
  }
}

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

  .page-about__hero-section {
    padding: 20px 15px;
    padding-top: 10px !important;
  }

  .page-about__hero-image-wrapper {
    margin-bottom: 20px;
  }

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

  .page-about__hero-description {
    font-size: 0.95rem;
  }

  .page-about__btn-primary {
    padding: 12px 25px;
    font-size: 0.95rem;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-about__section {
    padding: 30px 15px;
  }

  .page-about__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-about__section-title {
    font-size: clamp(1.5rem, 5vw, 2.2rem);
    margin-bottom: 30px;
  }

  .page-about__paragraph {
    font-size: 0.9rem;
  }

  .page-about__image {
    margin: 30px auto;
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-about__features-grid, .page-about__services-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-about__feature-card, .page-about__service-item {
    padding: 25px;
  }

  .page-about__feature-title, .page-about__service-title {
    font-size: 1.3rem;
  }

  .page-about__faq-question {
    padding: 15px 20px;
    font-size: 1rem;
  }

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

  .page-about__cta-final {
    padding: 50px 15px;
  }
}

@media (max-width: 480px) {
  .page-about__main-title {
    font-size: clamp(1.6rem, 7vw, 2.2rem);
  }

  .page-about__hero-description {
    font-size: 0.85rem;
  }

  .page-about__btn-primary {
    padding: 10px 20px;
    font-size: 0.9rem;
  }

  .page-about__section-title {
    font-size: clamp(1.4rem, 6vw, 2rem);
  }

  .page-about__paragraph {
    font-size: 0.85rem;
  }

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

  .page-about__faq-question {
    font-size: 0.9rem;
  }
}