/* style/blog.css */
/* body đã padding-top: var(--header-offset)；trang này không được thêm padding-top: var(--header-offset) */

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

.page-blog {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--color-text-main); /* Mặc định chữ sáng trên nền tối */
  background-color: var(--color-background);
}

.page-blog__hero-section {
  position: relative;
  width: 100%;
  padding: 10px 0 60px 0; /* body đã xử lý padding-top cho header, đây chỉ là khoảng cách nhỏ */
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  text-align: center;
  background-color: var(--color-background);
}

.page-blog__hero-image-wrapper {
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  box-sizing: border-box;
}

.page-blog__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  max-height: 500px;
}

.page-blog__hero-content {
  max-width: 900px;
  padding: 40px 20px;
  margin-top: -80px; /* Kéo nội dung lên trên hình ảnh một chút để tạo sự gắn kết */
  position: relative;
  z-index: 1;
  background-color: var(--color-card-bg); /* Nền cho nội dung hero */
  border-radius: 10px;
  box-shadow: 0 8px 25px rgba(0,0,0,0.4);
  border: 1px solid var(--color-border);
}

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

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

.page-blog__cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  justify-content: center;
  width: 100%;
}

.page-blog__cta-button,
.page-blog__btn-primary,
.page-blog__btn-secondary {
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  text-align: center;
  white-space: normal;
  word-wrap: break-word;
  box-sizing: border-box;
  max-width: 100%;
  width: auto;
}

.page-blog__btn-primary {
  background: var(--btn-gradient);
  color: var(--color-text-main);
  border: 2px solid transparent;
  box-shadow: 0 4px 15px rgba(0, 255, 100, 0.3);
}

.page-blog__btn-primary:hover {
  background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
  box-shadow: 0 6px 20px rgba(0, 255, 100, 0.4);
}

.page-blog__btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.page-blog__btn-secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-text-main);
}

.page-blog__content-area {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 20px;
  box-sizing: border-box;
}

.page-blog__section-title {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  color: var(--color-gold);
  text-align: center;
  margin-bottom: 20px;
  font-weight: bold;
}

.page-blog__section-description {
  font-size: 1rem;
  color: var(--color-text-secondary);
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px auto;
}

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

.page-blog__post-card {
  background-color: var(--color-card-bg);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--color-border);
}

.page-blog__post-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.3);
}

.page-blog__post-link {
  text-decoration: none;
  display: block;
  color: inherit;
}

.page-blog__post-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  display: block;
  min-height: 200px; /* Đảm bảo hình ảnh không quá nhỏ */
}

.page-blog__post-content {
  padding: 20px;
}

.page-blog__post-title {
  font-size: 1.4rem;
  color: var(--color-text-main);
  margin-bottom: 10px;
  line-height: 1.3;
  min-height: 70px;
}

.page-blog__post-meta {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: 15px;
}

.page-blog__post-excerpt {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
  min-height: 80px;
}

.page-blog__read-more {
  color: var(--color-primary);
  font-weight: bold;
  display: inline-block;
}

.page-blog__read-more:hover {
  text-decoration: underline;
}

.page-blog__view-all-button-container {
  text-align: center;
  margin-top: 50px;
}

.page-blog__view-all-button {
  padding: 12px 25px;
  font-size: 1.1rem;
}

.page-blog__why-read {
  background-color: var(--color-deep-green);
  padding: 80px 0;
}

.page-blog__why-read-content {
  max-width: 900px;
}

.page-blog__text-main {
  color: var(--color-text-main);
}

.page-blog__text-secondary {
  color: var(--color-text-secondary);
}

.page-blog__why-read-list {
  list-style: none;
  padding: 0;
  margin: 30px 0;
  text-align: left;
}

.page-blog__why-read-item {
  font-size: 1.1rem;
  margin-bottom: 15px;
  position: relative;
  padding-left: 30px;
}

.page-blog__why-read-item::before {
  content: '✔';
  color: var(--color-gold);
  position: absolute;
  left: 0;
  font-weight: bold;
}

.page-blog__faq-section {
  padding-top: 80px;
  padding-bottom: 80px;
  background-color: var(--color-background);
}

.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;
  transition: all 0.3s ease;
}

.page-blog__faq-item[open] {
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.page-blog__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  font-size: 1.15rem;
  font-weight: bold;
  color: var(--color-text-main);
  cursor: pointer;
  background-color: var(--color-card-bg);
  border-bottom: 1px solid var(--color-divider);
  transition: background-color 0.3s ease;
  list-style: none; /* For details/summary */
}

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

.page-blog__faq-question:hover {
  background-color: #1a3026; /* Slightly darker hover */
}

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

.page-blog__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  margin-left: 15px;
  color: var(--color-gold);
}

.page-blog__faq-answer {
  padding: 0 20px 20px 20px;
  font-size: 1rem;
  color: var(--color-text-secondary);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out;
}

.page-blog__faq-item[open] .page-blog__faq-answer {
  max-height: 500px; /* Đủ lớn để chứa nội dung câu trả lời */
}

.page-blog__faq-answer p {
  margin-top: 15px;
}

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

.page-blog__cta-content {
  max-width: 800px;
}

/* -------------------------------------------------- */
/* Responsive Design */
/* -------------------------------------------------- */

@media (max-width: 1024px) {
  .page-blog__hero-content {
    margin-top: -60px;
    padding: 30px;
  }
  .page-blog__post-title {
    min-height: 60px;
  }
  .page-blog__post-excerpt {
    min-height: 70px;
  }
}

@media (max-width: 768px) {
  .page-blog__hero-section {
    padding-top: 10px !important;
    padding-bottom: 40px;
  }
  .page-blog__hero-content {
    margin-top: -40px;
    padding: 25px 15px;
    max-width: calc(100% - 30px);
  }
  .page-blog__main-title {
    font-size: clamp(1.8rem, 7vw, 2.5rem);
  }
  .page-blog__hero-description {
    font-size: 1rem;
  }
  .page-blog__cta-buttons {
    flex-direction: column;
    gap: 10px;
    padding: 0 15px;
  }
  .page-blog__cta-button, .page-blog__btn-primary, .page-blog__btn-secondary {
    max-width: 100% !important;
    width: 100% !important;
    padding: 12px 15px;
    font-size: 1rem;
    white-space: normal !important;
    word-wrap: break-word !important;
    box-sizing: border-box !important;
  }

  .page-blog__content-area,
  .page-blog__why-read-content,
  .page-blog__faq-list,
  .page-blog__cta-content {
    padding: 40px 15px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-blog__section-title {
    font-size: clamp(1.5rem, 6vw, 2.2rem);
  }

  .page-blog__posts-grid {
    grid-template-columns: 1fr;
  }

  .page-blog__post-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    min-height: 200px !important;
  }
  .page-blog img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-blog__why-read-item {
    font-size: 1rem;
    padding-left: 25px;
  }
  .page-blog__post-title {
    min-height: auto;
  }
  .page-blog__post-excerpt {
    min-height: auto;
  }
  .page-blog__faq-question {
    font-size: 1rem;
    padding: 15px;
  }
  .page-blog__faq-toggle {
    font-size: 1.2rem;
  }
  .page-blog__faq-answer {
    font-size: 0.95rem;
    padding: 0 15px 15px 15px;
  }
  .page-blog__faq-item[open] .page-blog__faq-answer {
    max-height: 800px; /* Điều chỉnh cho nội dung di động */
  }
  .page-blog__hero-image-wrapper,
  .page-blog__post-card,
  .page-blog__faq-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
}

@media (max-width: 480px) {
  .page-blog__hero-content {
    margin-top: -30px;
  }
  .page-blog__main-title {
    font-size: clamp(1.6rem, 8vw, 2rem);
  }
  .page-blog__hero-description {
    font-size: 0.95rem;
  }
  .page-blog__cta-button, .page-blog__btn-primary, .page-blog__btn-secondary {
    padding: 10px 12px;
    font-size: 0.95rem;
  }
  .page-blog__section-description {
    font-size: 0.9rem;
  }
}