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

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

.page-blog {
  font-family: 'Arial', sans-serif;
  color: var(--page-blog-text-main-color);
  background-color: var(--page-blog-background-color);
}

.page-blog__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 10px 20px 60px; /* Nhỏ hơn để body padding-top hoạt động */
  background-color: var(--page-blog-deep-green-color);
  overflow: hidden;
}

.page-blog__hero-image {
  width: 100%;
  height: auto;
  max-height: 675px;
  object-fit: cover;
  position: relative;
  z-index: 1;
  margin-bottom: 20px;
}

.page-blog__hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  padding: 20px;
  background: rgba(0, 0, 0, 0.4); /* Overlay nhẹ để chữ nổi bật */
  border-radius: 10px;
}

.page-blog__hero-title {
  color: var(--page-blog-gold-color);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 700;
  margin-bottom: 15px;
  line-height: 1.2;
  text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.page-blog__hero-description {
  color: var(--page-blog-text-secondary-color);
  font-size: clamp(1rem, 2vw, 1.2rem);
  margin-bottom: 30px;
  line-height: 1.6;
}

.page-blog__btn-primary {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 8px;
  background: var(--page-blog-button-gradient);
  color: var(--page-blog-text-main-color);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.page-blog__btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
}

.page-blog__btn-secondary {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 8px;
  background: transparent;
  color: var(--page-blog-primary-color);
  border: 2px solid var(--page-blog-primary-color);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  cursor: pointer;
}

.page-blog__btn-secondary:hover {
  background: var(--page-blog-primary-color);
  color: var(--page-blog-text-main-color);
  transform: translateY(-2px);
}

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

.page-blog__intro-section, .page-blog__cta-section {
  padding: 60px 0;
  background-color: var(--page-blog-background-color);
  color: var(--page-blog-text-main-color);
}

.page-blog__section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  color: var(--page-blog-gold-color);
  text-align: center;
  margin-bottom: 40px;
  font-weight: 700;
  text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.page-blog__text-block {
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 20px;
  color: var(--page-blog-text-secondary-color);
  text-align: justify;
}

.page-blog__posts-section {
  padding: 80px 0;
  background-color: var(--page-blog-deep-green-color);
}

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

.page-blog__post-card {
  background-color: var(--page-blog-card-bg-color);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--page-blog-border-color);
}

.page-blog__post-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.6);
}

.page-blog__post-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.page-blog__post-content {
  padding: 25px;
}

.page-blog__post-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 10px;
  line-height: 1.4;
}

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

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

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

.page-blog__post-excerpt {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--page-blog-text-secondary-color);
  margin-bottom: 20px;
}

.page-blog__read-more {
  color: var(--page-blog-primary-color);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

.page-blog__read-more:hover {
  color: var(--page-blog-gold-color);
  text-decoration: underline;
}

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

.page-blog__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
}

.page-blog__faq-section {
  padding: 80px 0;
  background-color: var(--page-blog-background-color);
}

.page-blog__faq-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}

.page-blog__faq-item {
  background-color: var(--page-blog-card-bg-color);
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--page-blog-border-color);
  color: var(--page-blog-text-main-color);
  overflow: hidden;
}

.page-blog__faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 25px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--page-blog-text-main-color);
  background-color: var(--page-blog-card-bg-color);
  transition: background-color 0.3s ease;
}

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

.page-blog__faq-item summary:hover {
  background-color: var(--page-blog-deep-green-color);
}

.page-blog__faq-qtext {
  flex-grow: 1;
  color: var(--page-blog-gold-color);
}

.page-blog__faq-toggle {
  font-size: 1.8rem;
  line-height: 1;
  margin-left: 15px;
  color: var(--page-blog-primary-color);
}

.page-blog__faq-answer {
  padding: 0 25px 20px;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--page-blog-text-secondary-color);
}

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

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

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-blog__hero-title {
    font-size: clamp(2rem, 4.5vw, 2.8rem);
  }
  .page-blog__hero-description {
    font-size: clamp(0.9rem, 2.2vw, 1.1rem);
  }
  .page-blog__section-title {
    font-size: clamp(1.6rem, 4vw, 2.2rem);
  }
  .page-blog__post-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

@media (max-width: 768px) {
  .page-blog__hero-section {
    padding: 10px 15px 40px;
  }
  .page-blog__hero-content {
    padding: 15px;
  }
  .page-blog__hero-title {
    font-size: clamp(1.8rem, 5.5vw, 2.5rem);
  }
  .page-blog__hero-description {
    font-size: clamp(0.85rem, 2.5vw, 1rem);
  }
  .page-blog__intro-section, .page-blog__cta-section, .page-blog__posts-section, .page-blog__faq-section {
    padding: 40px 0;
  }
  .page-blog__section-title {
    font-size: clamp(1.5rem, 5vw, 2rem);
    margin-bottom: 30px;
  }
  .page-blog__text-block {
    font-size: 1rem;
    line-height: 1.5;
  }
  .page-blog__post-grid {
    grid-template-columns: 1fr;
  }
  .page-blog__post-content {
    padding: 20px;
  }
  .page-blog__post-title {
    font-size: 1.2rem;
  }
  .page-blog__faq-item summary {
    font-size: 1.1rem;
    padding: 15px 20px;
  }
  .page-blog__faq-answer {
    padding: 0 20px 15px;
  }
  .page-blog__cta-buttons {
    flex-direction: column;
    gap: 15px;
    padding: 0 15px;
  }
  .page-blog__btn-primary, .page-blog__btn-secondary {
    width: 100%;
    max-width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* Mobile image responsiveness */
  .page-blog img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-blog__section,
  .page-blog__card,
  .page-blog__container {
    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; /* body đã承担 --header-offset */
  }
  .page-blog video,
  .page-blog__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-blog__video-section,
  .page-blog__video-container,
  .page-blog__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }
  .page-blog__video-section {
    padding-top: 10px !important;
  }
  .page-blog__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .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-buttons {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .page-blog__hero-section {
    padding: 10px 10px 30px;
  }
  .page-blog__hero-title {
    font-size: clamp(1.6rem, 6vw, 2.2rem);
  }
  .page-blog__hero-description {
    font-size: clamp(0.8rem, 3vw, 0.9rem);
  }
  .page-blog__btn-primary, .page-blog__btn-secondary {
    font-size: 1rem;
    padding: 10px 20px;
  }
  .page-blog__post-title {
    font-size: 1.1rem;
  }
  .page-blog__faq-item summary {
    font-size: 1rem;
    padding: 12px 15px;
  }
  .page-blog__faq-answer {
    padding: 0 15px 12px;
  }
}