/* style/blog.css */

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

/* body đã padding-top: var(--header-offset)；trang này không được viết lại biến đó */
.page-blog {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--color-text-main); /* Mặc định cho nền tối */
  background-color: var(--color-background);
}

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

.page-blog__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding-top: 10px; /* Chỉ một khoảng cách nhỏ, body đã xử lý --header-offset */
  padding-bottom: 60px;
}

.page-blog__hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.page-blog__hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding: 20px;
  background-color: rgba(0, 0, 0, 0.5); /* Lớp phủ để văn bản dễ đọc hơn */
  border-radius: 10px;
  margin-top: 80px; /* Đảm bảo không bị header che */
}

.page-blog__hero-title {
  color: var(--color-gold);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  margin-bottom: 15px;
  line-height: 1.2;
}

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

.page-blog__cta-button {
  display: inline-block;
  background: linear-gradient(180deg, var(--color-button-gradient-start) 0%, var(--color-button-gradient-end) 100%);
  color: #ffffff;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-blog__cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-blog__section-title {
  font-size: 2.5rem;
  color: var(--color-gold);
  text-align: center;
  margin-bottom: 20px;
  font-weight: 700;
}

.page-blog__section-description {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px auto;
}

.page-blog__latest-posts {
  padding: 80px 0;
  background-color: var(--color-background);
  color: var(--color-text-main);
}

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

.page-blog__post-card {
  background-color: var(--color-card-bg);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
}

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

.page-blog__post-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

.page-blog__post-content {
  padding: 20px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.page-blog__post-title {
  font-size: 1.4rem;
  color: var(--color-gold);
  margin-bottom: 10px;
  line-height: 1.3;
}

.page-blog__post-title a {
  color: var(--color-gold);
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-blog__post-title a:hover {
  color: var(--color-secondary);
}

.page-blog__post-excerpt {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin-bottom: 15px;
  flex-grow: 1;
}

.page-blog__read-more {
  display: inline-block;
  color: var(--color-secondary);
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s ease;
  margin-top: auto; /* Đẩy xuống cuối */
}

.page-blog__read-more:hover {
  color: var(--color-gold);
}

.page-blog__view-all {
  text-align: center;
  margin-top: 60px;
}

.page-blog__featured-topic {
  padding: 80px 0;
  background-color: var(--color-deep-green);
  color: var(--color-text-main);
}

.page-blog__featured-content {
  display: flex;
  align-items: center;
  gap: 40px;
  margin-top: 40px;
}

.page-blog__featured-image {
  width: 50%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
  display: block;
}

.page-blog__featured-text {
  width: 50%;
  font-size: 1.05rem;
  color: var(--color-text-main);
}

.page-blog__featured-text p {
  margin-bottom: 20px;
}

.page-blog__why-choose {
  padding: 80px 0;
  background-color: var(--color-background);
  color: var(--color-text-main);
}

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

.page-blog__feature-item {
  background-color: var(--color-card-bg);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  align-items: center;
}

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

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

.page-blog__feature-description {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

.page-blog__faq-section {
  padding: 80px 0;
  background-color: var(--color-deep-green);
  color: var(--color-text-main);
}

.page-blog__faq-list {
  max-width: 900px;
  margin: 40px auto 0 auto;
}

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

.page-blog__faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  cursor: pointer;
  font-size: 1.15rem;
  font-weight: bold;
  color: var(--color-gold);
  background-color: var(--color-card-bg);
  list-style: none;
}

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

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

.page-blog__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  margin-left: 15px;
  transition: transform 0.3s ease;
}

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

.page-blog__faq-answer {
  padding: 0 20px 20px 20px;
  font-size: 1rem;
  color: var(--color-text-secondary);
}

.page-blog__faq-answer p {
  margin-top: 10px;
}

.page-blog__faq-answer a {
  color: var(--color-secondary);
  text-decoration: underline;
}

.page-blog__faq-answer a:hover {
  color: var(--color-gold);
}

.page-blog__cta-section {
  padding: 80px 0;
  background-color: var(--color-background);
  text-align: center;
}

.page-blog__btn-primary {
  background: linear-gradient(180deg, var(--color-button-gradient-start) 0%, var(--color-button-gradient-end) 100%);
  color: #ffffff;
  border: none;
}

/* Responsive styles */
@media (max-width: 1024px) {
  .page-blog__hero-content {
    margin-top: 60px;
  }

  .page-blog__hero-title {
    font-size: clamp(2rem, 4.5vw, 3rem);
  }

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

  .page-blog__featured-content {
    flex-direction: column;
  }

  .page-blog__featured-image,
  .page-blog__featured-text {
    width: 100%;
  }
}

@media (max-width: 768px) {
  .page-blog__container {
    padding: 0 15px;
  }

  .page-blog__hero-content {
    margin-top: 40px;
    padding: 15px;
  }

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

  .page-blog__hero-description {
    font-size: 1rem;
  }

  .page-blog__cta-button {
    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-blog__section-title {
    font-size: 2rem;
  }

  .page-blog__section-description {
    font-size: 1rem;
    margin-bottom: 30px;
  }

  .page-blog__latest-posts,
  .page-blog__featured-topic,
  .page-blog__why-choose,
  .page-blog__faq-section,
  .page-blog__cta-section {
    padding: 50px 0;
  }

  .page-blog__post-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .page-blog__post-image {
    height: 180px;
  }

  .page-blog__post-title {
    font-size: 1.2rem;
  }

  .page-blog__feature-item {
    padding: 25px;
  }

  .page-blog__feature-icon {
    width: 80px;
    height: 80px;
  }

  .page-blog__feature-title {
    font-size: 1.3rem;
  }

  .page-blog__faq-item summary {
    font-size: 1rem;
    padding: 15px;
  }

  /* 移动端图片响应式适配 */
  .page-blog img {
    max-width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-blog__hero-section,
  .page-blog__latest-posts,
  .page-blog__featured-topic,
  .page-blog__why-choose,
  .page-blog__faq-section,
  .page-blog__cta-section,
  .page-blog__post-card,
  .page-blog__feature-item,
  .page-blog__faq-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  
  .page-blog__hero-section {
    padding-top: 10px !important;
  }
  
  /* 按钮容器移动端适配 */
  .page-blog__cta-buttons,
  .page-blog__button-group,
  .page-blog__btn-container {
    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-blog__cta-section .page-blog__cta-button {
    width: auto;
    max-width: none;
  }
}

@media (max-width: 480px) {
  .page-blog__hero-content {
    padding: 10px;
  }
  .page-blog__hero-title {
    font-size: clamp(1.5rem, 8vw, 2rem);
  }
  .page-blog__cta-button {
    font-size: 0.9rem;
    padding: 10px 20px;
  }
  .page-blog__section-title {
    font-size: 1.8rem;
  }
  .page-blog__post-image {
    height: 150px;
  }
  .page-blog__post-title {
    font-size: 1.1rem;
  }
  .page-blog__faq-item summary {
    font-size: 0.95rem;
  }
}