/* 智能对比度保障：Body背景色来自 shared.css (var(--site-bg)). Giả định là nền tối dựa trên 'Black Gold' */
.page-da-ga {
  color: var(--text-main, #FFF6D6); /* Màu chữ chính, mặc định là vàng nhạt */
  background-color: var(--background, #0A0A0A); /* Màu nền chính */
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
}

.page-da-ga__dark-bg {
  background-color: var(--background, #0A0A0A);
  color: var(--text-main, #FFF6D6);
}

.page-da-ga__light-bg {
  background-color: #f5f5f5;
  color: #333333;
}

/* HERO Section */
.page-da-ga__hero-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 10px 20px 40px;
  position: relative;
  overflow: hidden;
}

.page-da-ga__hero-image {
  width: 100%;
  max-width: 1920px;
  margin-bottom: 20px;
}

.page-da-ga__hero-image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover; /* Đảm bảo ảnh cover toàn bộ khu vực */
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.page-da-ga__hero-content {
  max-width: 900px;
  margin-top: 20px;
  z-index: 1;
}

.page-da-ga__main-title {
  font-size: clamp(2.2em, 4vw, 3.5em);
  font-weight: 700;
  color: var(--glow, #FFD36B);
  margin-bottom: 15px;
  line-height: 1.2;
  text-shadow: 0 0 8px rgba(255, 211, 107, 0.6);
}

.page-da-ga__hero-description {
  font-size: 1.1em;
  color: var(--text-main, #FFF6D6);
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-da-ga__cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  width: 100%;
}

/* General Section Styling */
.page-da-ga__section {
  padding: 60px 20px;
  text-align: center;
}

.page-da-ga__section-title {
  font-size: clamp(1.8em, 3.5vw, 2.8em);
  font-weight: 700;
  color: var(--glow, #FFD36B);
  margin-bottom: 40px;
  text-shadow: 0 0 5px rgba(255, 211, 107, 0.4);
}

.page-da-ga__grid {
  display: grid;
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.page-da-ga__grid--3-cols {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.page-da-ga__grid--2-cols {
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  align-items: center;
  text-align: left;
}

.page-da-ga__grid--2-cols .page-da-ga__text-block {
  padding-right: 20px;
}

.page-da-ga__grid--2-cols .page-da-ga__image-block {
  padding-left: 20px;
}

.page-da-ga__grid--2-cols .page-da-ga__text-block, 
.page-da-ga__grid--2-cols .page-da-ga__image-block {
  text-align: center; /* Center content in grid columns */
}

.page-da-ga__grid--2-cols .page-da-ga__text-block p {
  text-align: left;
}

.page-da-ga__grid--2-cols .page-da-ga__text-block ul {
  text-align: left;
  margin-left: 20px;
}

/* Card Styling */
.page-da-ga__card {
  background: var(--card-bg, #111111);
  color: var(--text-main, #FFF6D6);
  border: 1px solid var(--border, #3A2A12);
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-da-ga__card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-da-ga__card img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  margin-bottom: 20px;
  object-fit: cover;
}

.page-da-ga__card-title {
  font-size: 1.5em;
  font-weight: 600;
  color: var(--glow, #FFD36B);
  margin-bottom: 10px;
}

.page-da-ga__card-text {
  font-size: 1em;
  line-height: 1.6;
}

/* Text Block Styling */
.page-da-ga__content-area, .page-da-ga__text-block {
  max-width: 1000px;
  margin: 0 auto;
  text-align: left;
  color: #333333;
}

.page-da-ga__content-area p, .page-da-ga__text-block p,
.page-da-ga__content-area ul, .page-da-ga__text-block ul,
.page-da-ga__content-area ol, .page-da-ga__text-block ol {
  margin-bottom: 1em;
  font-size: 1.05em;
}

.page-da-ga__content-area strong, .page-da-ga__text-block strong {
  color: #000000;
}

.page-da-ga__unordered-list, .page-da-ga__ordered-list {
  list-style-position: inside;
  padding-left: 20px;
  margin-bottom: 20px;
}

.page-da-ga__unordered-list li, .page-da-ga__ordered-list li {
  margin-bottom: 10px;
}

/* Image Block Styling */
.page-da-ga__image-block img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Button Styling */
.page-da-ga__btn-primary,
.page-da-ga__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 1.1em;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: normal;
  word-wrap: break-word;
  max-width: 100%;
  box-sizing: border-box;
}

.page-da-ga__btn-primary {
  background: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%);
  color: #FFF6D6;
  border: none;
  box-shadow: 0 4px 10px rgba(242, 193, 78, 0.4);
}

.page-da-ga__btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(242, 193, 78, 0.6);
}

.page-da-ga__btn-secondary {
  background: transparent;
  color: var(--glow, #FFD36B);
  border: 2px solid var(--glow, #FFD36B);
}

.page-da-ga__btn-secondary:hover {
  background: var(--glow, #FFD36B);
  color: #0A0A0A;
}

.page-da-ga__btn--center {
  margin-top: 30px;
}

/* CTA Section */
.page-da-ga__cta-section {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 40px;
  padding: 80px 20px;
}

.page-da-ga__cta-content {
  flex: 1;
  max-width: 600px;
  text-align: left;
}

.page-da-ga__cta-content .page-da-ga__section-title {
  text-align: left;
  margin-bottom: 20px;
}

.page-da-ga__cta-description {
  color: var(--text-main, #FFF6D6);
  font-size: 1.1em;
  margin-bottom: 30px;
}

.page-da-ga__cta-content .page-da-ga__cta-buttons {
  justify-content: flex-start;
}

.page-da-ga__cta-image {
  flex-shrink: 0;
  max-width: 500px;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
}

/* FAQ Section */
.page-da-ga__faq-list {
  max-width: 900px;
  margin: 0 auto;
  text-align: left;
}

details.page-da-ga__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid var(--border, #3A2A12);
  overflow: hidden;
  background: var(--card-bg, #111111);
  color: var(--text-main, #FFF6D6);
}

details.page-da-ga__faq-item summary.page-da-ga__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
}

details.page-da-ga__faq-item summary.page-da-ga__faq-question::-webkit-details-marker {
  display: none;
}

details.page-da-ga__faq-item summary.page-da-ga__faq-question:hover {
  background: rgba(255, 255, 255, 0.05);
}

.page-da-ga__faq-qtext {
  flex: 1;
  font-size: 1.1em;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: var(--text-main, #FFF6D6);
}

.page-da-ga__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: var(--glow, #FFD36B);
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}

details.page-da-ga__faq-item .page-da-ga__faq-answer {
  padding: 0 20px 20px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 0 0 5px 5px;
  color: var(--text-main, #FFF6D6);
}

.page-da-ga__faq-answer p {
  margin: 0;
  font-size: 1em;
  line-height: 1.6;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-da-ga__hero-image img {
    max-height: 500px;
    object-fit: cover;
  }

  .page-da-ga__grid--2-cols {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .page-da-ga__grid--2-cols .page-da-ga__text-block, 
  .page-da-ga__grid--2-cols .page-da-ga__image-block {
    padding: 0;
  }

  .page-da-ga__grid--2-cols .page-da-ga__text-block p,
  .page-da-ga__grid--2-cols .page-da-ga__text-block ul {
    text-align: center;
    margin-left: 0;
  }

  .page-da-ga__cta-section {
    flex-direction: column-reverse;
    text-align: center;
  }

  .page-da-ga__cta-content {
    max-width: 100%;
    text-align: center;
  }

  .page-da-ga__cta-content .page-da-ga__section-title {
    text-align: center;
  }

  .page-da-ga__cta-content .page-da-ga__cta-buttons {
    justify-content: center;
  }
}

@media (max-width: 849px) {
  .page-da-ga__hero-image img {
    object-fit: contain !important;
    aspect-ratio: unset !important;
  }
}

@media (max-width: 768px) {
  .page-da-ga {
    font-size: 15px;
    line-height: 1.5;
  }

  /* HERO 主图区域 */
  .page-da-ga__hero-section {
    padding: 10px 15px 30px;
  }

  .page-da-ga__hero-image img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    object-fit: contain !important; /* 禁止 cover 裁切两侧 */
    aspect-ratio: unset !important;
  }

  .page-da-ga__main-title {
    font-size: clamp(1.8em, 7vw, 2.5em);
  }

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

  .page-da-ga__cta-buttons {
    flex-direction: column;
    gap: 10px;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* 产品展示图区域 (通用 grid cards) */
  .page-da-ga__section {
    padding: 40px 15px;
  }

  .page-da-ga__section-title {
    font-size: clamp(1.6em, 6vw, 2.2em);
    margin-bottom: 30px;
  }

  .page-da-ga__grid {
    gap: 20px;
  }

  .page-da-ga__grid--3-cols {
    grid-template-columns: 1fr; /* Hoặc 2 cột nếu muốn, nhưng 1 cột cho card lớn thì tốt hơn */
  }

  .page-da-ga__card {
    padding: 20px;
  }

  .page-da-ga__card-title {
    font-size: 1.3em;
  }

  /* 装饰主标题 + 长文 SEO 区 */
  .page-da-ga__content-area, .page-da-ga__text-block {
    padding-left: 15px;
    padding-right: 15px;
    box-sizing: border-box;
    max-width: 100%;
  }

  .page-da-ga__content-area p, .page-da-ga__text-block p,
  .page-da-ga__content-area ul, .page-da-ga__text-block ul,
  .page-da-ga__content-area ol, .page-da-ga__text-block ol {
    font-size: 1em;
  }

  /* 通用图片与容器 */
  .page-da-ga img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-da-ga__image-block {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

  /* 按钮与按钮容器 */
  .page-da-ga__btn-primary,
  .page-da-ga__btn-secondary {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding: 12px 20px;
    font-size: 1em;
  }

  .page-da-ga__cta-buttons {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
  }

  .page-da-ga__cta-section {
    padding: 50px 15px;
  }

  .page-da-ga__cta-image {
    max-width: 100%;
    height: auto;
  }

  /* FAQ */
  details.page-da-ga__faq-item summary.page-da-ga__faq-question {
    padding: 15px;
  }
  .page-da-ga__faq-qtext {
    font-size: 1em;
  }
  .page-da-ga__faq-toggle {
    font-size: 20px;
    width: 24px;
    height: 24px;
  }
  details.page-da-ga__faq-item .page-da-ga__faq-answer {
    padding: 0 15px 15px;
  }
}