/* style/blog.css */

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

/* Base styles for the blog page */
.page-blog {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-main); /* Default text color for dark background */
  background-color: var(--background-color); /* Body background from shared.css, this is for consistency */
}

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

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

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

/* Hero Section */
.page-blog__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 10px; /* Small top padding */
  padding-bottom: 60px;
  background-color: var(--deep-green-color);
}

.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;
  z-index: 1;
  color: var(--text-main);
}

.page-blog__main-title {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--gold-color);
  margin-bottom: 20px;
  font-size: clamp(2em, 4vw, 3em); /* Responsive font size for H1 */
}

.page-blog__description {
  font-size: 1.15em;
  margin-bottom: 30px;
  color: var(--text-secondary);
}

.page-blog__cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
  box-sizing: border-box;
  overflow: hidden;
}

.page-blog__btn-primary,
.page-blog__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-blog__btn-primary {
  background: linear-gradient(180deg, var(--button-gradient-start) 0%, var(--button-gradient-end) 100%);
  color: #ffffff;
  border: 2px solid transparent;
}

.page-blog__btn-primary:hover {
  background: linear-gradient(180deg, var(--button-gradient-end) 0%, var(--button-gradient-start) 100%);
  box-shadow: 0 0 15px var(--glow-color);
}

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

.page-blog__btn-secondary:hover {
  background: var(--primary-color);
  color: #ffffff;
  box-shadow: 0 0 15px var(--glow-color);
}

/* Latest Posts Section */
.page-blog__latest-posts {
  padding: 60px 0;
  background-color: var(--background-color);
  color: var(--text-main);
}

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

.page-blog__post-card {
  background-color: var(--card-bg);
  border-radius: 12px;
  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(--border-color);
}

.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;
  color: inherit;
  display: block;
}

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

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

.page-blog__post-title {
  font-size: 1.5em;
  font-weight: bold;
  color: var(--text-main);
  margin-bottom: 15px;
  min-height: 3em;
}

.page-blog__post-excerpt {
  font-size: 0.95em;
  color: var(--text-secondary);
  margin-bottom: 15px;
  min-height: 4.5em;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.page-blog__post-date {
  font-size: 0.85em;
  color: var(--text-secondary);
  display: block;
  text-align: right;
}

.page-blog__view-all-button-container {
  text-align: center;
  margin-top: 40px;
}

/* Featured Topics Section */
.page-blog__featured-topics {
  padding: 60px 0;
  background-color: var(--deep-green-color);
  color: var(--text-main);
}

.page-blog__topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.page-blog__topic-card {
  background-color: var(--card-bg);
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color);
}

.page-blog__topic-title {
  font-size: 1.8em;
  font-weight: bold;
  color: var(--gold-color);
  margin-bottom: 15px;
}

.page-blog__topic-description {
  font-size: 1em;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.page-blog__topic-link {
  color: var(--secondary-color);
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s ease;
}

.page-blog__topic-link:hover {
  color: var(--glow-color);
  text-decoration: underline;
}

/* FAQ Section */
.page-blog__faq-section {
  padding: 60px 0;
  background-color: var(--background-color);
  color: var(--text-main);
}

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

.page-blog__faq-item {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  margin-bottom: 15px;
  overflow: hidden;
  transition: all 0.3s ease;
}

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

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

.page-blog__faq-item summary:hover {
  background-color: rgba(var(--primary-color), 0.1);
}

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

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

.page-blog__faq-answer {
  padding: 0 25px 20px;
  font-size: 1em;
  color: var(--text-secondary);
}

/* CTA Bottom Section */
.page-blog__cta-bottom {
  padding: 60px 0;
  background-color: var(--deep-green-color);
  color: var(--text-main);
  text-align: center;
}

/* Color Contrast Specific Styles */
.page-blog__dark-section {
  background-color: var(--deep-green-color);
  color: var(--text-main);
}

.page-blog__light-bg {
  background-color: var(--background-color);
  color: var(--text-main);
}

.page-blog p,
.page-blog li {
  color: var(--text-secondary);
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-blog__hero-content {
    padding: 30px 15px;
  }
  .page-blog__main-title {
    font-size: clamp(1.8em, 5vw, 2.5em);
  }
  .page-blog__section-title {
    font-size: 2em;
  }
  .page-blog__posts-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
  .page-blog__topics-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  .page-blog {
    font-size: 16px;
    line-height: 1.6;
  }
  .page-blog__container {
    padding: 0 15px;
  }
  .page-blog__hero-section,
  .page-blog__latest-posts,
  .page-blog__featured-topics,
  .page-blog__faq-section,
  .page-blog__cta-bottom {
    padding: 40px 0;
  }
  .page-blog__hero-content {
    padding: 20px 15px;
  }
  .page-blog__main-title {
    font-size: clamp(1.5em, 6vw, 2em);
  }
  .page-blog__description {
    font-size: 1em;
  }
  .page-blog__section-title {
    font-size: 1.8em;
  }
  .page-blog__section-description {
    font-size: 0.95em;
  }
  .page-blog__cta-buttons {
    flex-direction: column;
    gap: 15px;
    max-width: 90%;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-blog__btn-primary,
  .page-blog__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-blog__posts-grid,
  .page-blog__topics-grid {
    grid-template-columns: 1fr;
  }
  .page-blog__post-card,
  .page-blog__topic-card,
  .page-blog__faq-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    margin-left: auto;
    margin-right: auto;
  }
  .page-blog__post-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-blog__hero-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .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__video-section {
    padding-top: 10px !important; /* body đã có padding-top */
  }
  .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__faq-item summary {
    padding: 15px 20px;
    font-size: 1.1em;
  }
  .page-blog__faq-answer {
    padding: 0 20px 15px;
  }
}