/* style/blog.css */
/* body đã có padding-top: var(--header-offset) từ shared.css */

.page-blog {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #F2FFF6; /* Text Main */
  background-color: #08160F; /* Background */
}

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

.page-blog__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 0 60px 0; /* Chỉ dùng padding-top nhỏ, không dùng var(--header-offset) */
  background-color: #08160F;
}

.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;
}

.page-blog__hero-content {
  text-align: center;
  padding: 40px 20px;
  max-width: 900px;
  margin-top: -80px; /* Kéo lên một chút để tạo hiệu ứng thị giác */
  position: relative;
  z-index: 1;
  background: linear-gradient(180deg, rgba(8, 22, 15, 0.8) 0%, #08160F 100%);
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.3);
}

.page-blog__hero-title {
  font-size: clamp(2em, 3.5vw, 3.2em);
  font-weight: 700;
  line-height: 1.2;
  color: #F2FFF6; /* Text Main */
  margin-bottom: 20px;
}

.page-blog__hero-description {
  font-size: 1.1em;
  color: #A7D9B8; /* Text Secondary */
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-blog__section-title {
  font-size: 2.5em;
  color: #F2FFF6; /* Text Main */
  text-align: center;
  margin-bottom: 40px;
  font-weight: 700;
  position: relative;
}

.page-blog__section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, #2AD16F 0%, #13994A 100%); /* Button gradient */
  margin: 15px auto 0 auto;
  border-radius: 2px;
}

.page-blog__latest-posts {
  padding: 60px 20px;
  background-color: #08160F;
}

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

.page-blog__post-card {
  background-color: #11271B; /* Card BG */
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

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

.page-blog__post-image {
  width: 100%;
  height: 225px; /* Fixed height for consistency */
  object-fit: cover;
  display: block;
}

.page-blog__post-content {
  padding: 25px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.page-blog__post-title {
  font-size: 1.5em;
  font-weight: 600;
  margin-bottom: 10px;
  line-height: 1.3;
}

.page-blog__post-title a {
  color: #F2FFF6; /* Text Main */
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-blog__post-title a:hover {
  color: #2AD16F; /* Button gradient start */
}

.page-blog__post-meta {
  font-size: 0.9em;
  color: #A7D9B8; /* Text Secondary */
  margin-bottom: 15px;
}

.page-blog__post-excerpt {
  font-size: 1em;
  color: #A7D9B8; /* Text Secondary */
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-blog__read-more {
  display: inline-block;
  color: #2AD16F; /* Button gradient start */
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

.page-blog__read-more:hover {
  color: #57E38D; /* Glow */
}

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

.page-blog__btn-primary,
.page-blog__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1em;
  transition: all 0.3s ease;
  text-align: center;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

.page-blog__btn-primary {
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: #F2FFF6; /* Text Main */
  border: none;
}

.page-blog__btn-primary:hover {
  background: linear-gradient(180deg, #57E38D 0%, #2AD16F 100%); /* Glow to Button gradient start */
  box-shadow: 0 0 15px rgba(87, 227, 141, 0.6);
}

.page-blog__btn-secondary {
  background: transparent;
  color: #2AD16F; /* Button gradient start */
  border: 2px solid #2AD16F; /* Button gradient start */
}

.page-blog__btn-secondary:hover {
  background: #2AD16F; /* Button gradient start */
  color: #08160F; /* Background */
  border-color: #2AD16F;
}

.page-blog__featured-topics {
  padding: 60px 20px;
  background-color: #0A4B2C; /* Deep Green */
}

.page-blog__topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
}

.page-blog__topic-card {
  background-color: #11271B; /* Card BG */
  border-radius: 8px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 3px 10px rgba(0,0,0,0.15);
  transition: transform 0.3s ease;
}

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

.page-blog__topic-title {
  font-size: 1.6em;
  font-weight: 600;
  margin-bottom: 15px;
}

.page-blog__topic-title a {
  color: #F2FFF6; /* Text Main */
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-blog__topic-title a:hover {
  color: #2AD16F; /* Button gradient start */
}

.page-blog__topic-description {
  color: #A7D9B8; /* Text Secondary */
  font-size: 0.95em;
}

.page-blog__cta-banner {
  padding: 80px 20px;
  background-color: #08160F;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-blog__cta-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  opacity: 0.2;
}

.page-blog__cta-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  background-color: rgba(8, 22, 15, 0.7);
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.4);
}

.page-blog__cta-title {
  font-size: 2.2em;
  color: #F2FFF6; /* Text Main */
  margin-bottom: 20px;
  font-weight: 700;
}

.page-blog__cta-description {
  font-size: 1.1em;
  color: #A7D9B8; /* Text Secondary */
  margin-bottom: 30px;
}

.page-blog__faq-section {
  padding: 60px 20px;
  background-color: #0A4B2C; /* Deep Green */
}

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

.page-blog__faq-item {
  background-color: #11271B; /* Card BG */
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: #F2FFF6; /* Text Main */
}

.page-blog__faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.2em;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  outline: none;
  color: #F2FFF6; /* Text Main */
  transition: background-color 0.3s ease;
}

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

.page-blog__faq-item summary:hover {
  background-color: #1E3A2A; /* Divider */
}

.page-blog__faq-toggle {
  font-size: 1.5em;
  font-weight: 300;
  line-height: 1;
  transition: transform 0.3s ease;
  color: #2AD16F; /* Button gradient start */
}

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

.page-blog__faq-answer {
  padding: 0 25px 20px 25px;
  font-size: 1em;
  color: #A7D9B8; /* Text Secondary */
}

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

  .page-blog__hero-title {
    font-size: clamp(1.8em, 4vw, 2.8em);
  }

  .page-blog__section-title {
    font-size: 2em;
  }

  .page-blog__post-image {
    height: 200px;
  }

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

  .page-blog__cta-title {
    font-size: 1.8em;
  }

  .page-blog__faq-item summary {
    font-size: 1.1em;
  }
}

@media (max-width: 768px) {
  .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,
  .page-blog__hero-section,
  .page-blog__latest-posts,
  .page-blog__featured-topics,
  .page-blog__cta-banner,
  .page-blog__faq-section,
  .page-blog__hero-image-wrapper,
  .page-blog__hero-content,
  .page-blog__post-card,
  .page-blog__topic-card,
  .page-blog__cta-content,
  .page-blog__faq-item,
  .page-blog__btn-primary,
  .page-blog__btn-secondary,
  .page-blog a[class*="button"],
  .page-blog a[class*="btn"] {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important; /* Ensure no overflow */
  }

  .page-blog__hero-section {
    padding-top: 10px !important; /* body đã xử lý header-offset */
    padding-bottom: 40px !important;
  }

  .page-blog__hero-content {
    margin-top: -40px; /* Adjust margin for smaller screens */
    padding: 25px 15px;
  }

  .page-blog__hero-title {
    font-size: clamp(1.5em, 6vw, 2em);
  }

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

  .page-blog__section-title {
    font-size: 1.8em;
    margin-bottom: 30px;
  }

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

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

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

  .page-blog__post-meta {
    font-size: 0.85em;
  }

  .page-blog__post-excerpt {
    font-size: 0.95em;
  }

  .page-blog__btn-primary,
  .page-blog__btn-secondary,
  .page-blog a[class*="button"],
  .page-blog a[class*="btn"] {
    padding: 12px 20px !important;
    font-size: 1em !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    margin-bottom: 10px; /* For stacked buttons */
  }

  .page-blog__view-all-wrapper {
    margin-top: 30px;
  }

  .page-blog__cta-banner {
    padding: 50px 15px;
  }

  .page-blog__cta-content {
    padding: 30px 15px;
  }

  .page-blog__cta-title {
    font-size: 1.6em;
  }

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

  .page-blog__faq-item summary {
    padding: 15px 20px;
    font-size: 1em;
  }

  .page-blog__faq-answer {
    padding: 0 20px 15px 20px;
    font-size: 0.95em;
  }
}

/* Color Contrast Fixes (if needed) */
/* Default text color is #F2FFF6 on #08160F, which is good contrast. */
/* Secondary text color is #A7D9B8 on #08160F, also good contrast. */
/* Card backgrounds are #11271B, text is #F2FFF6 or #A7D9B8, good contrast. */
/* Button text is #F2FFF6 on gradient, good contrast. */
/* Button secondary text is #2AD16F on transparent/dark, good contrast. */