/* style/blog.css */
/* body đã padding-top: var(--header-offset)；trang này cấm viết lại biến đó */
.page-blog {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-main); /* Sử dụng màu văn bản chính */
  background-color: var(--background); /* Sử dụng màu nền chính */
}

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

.page-blog__hero-section {
  position: relative;
  width: 100%;
  padding-top: 10px; /* Small top padding, body handles header offset */
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  overflow: hidden; /* Ensure no overflow */
  background-color: var(--background);
}

.page-blog__hero-image {
  width: 100%;
  height: auto;
  max-width: 1920px;
  display: block;
  object-fit: cover;
  margin-bottom: 20px;
}

.page-blog__hero-content {
  max-width: 900px;
  padding: 0 20px 60px;
  z-index: 1;
}

.page-blog__main-title {
  font-size: clamp(2.2em, 4vw, 3.5em); /* Use clamp for H1 font size */
  font-weight: 700;
  color: var(--gold-color); /* Use gold for main title */
  margin-bottom: 20px;
  line-height: 1.2;
  text-shadow: 0 0 10px rgba(87, 227, 141, 0.5); /* Glow effect */
}

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

.page-blog__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  width: 100%; /* Ensure container takes full width for wrapping */
  max-width: 500px; /* Max width for button group */
  margin: 0 auto;
}

.page-blog__btn {
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1em;
  transition: all 0.3s ease;
  display: inline-flex; /* Use inline-flex for button sizing */
  align-items: center;
  justify-content: center;
  min-width: 180px;
  box-sizing: border-box; /* Crucial for responsive buttons */
  white-space: normal; /* Allow text wrap */
  word-wrap: break-word; /* Allow text wrap */
  text-align: center;
}

.page-blog__btn-primary {
  background: var(--button-gradient);
  color: #ffffff; /* White text on dark button */
  border: 2px solid transparent;
}

.page-blog__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(42, 209, 111, 0.4);
}

.page-blog__btn-secondary {
  background: #ffffff; /* White background for contrast */
  color: var(--primary-color); /* Green text */
  border: 2px solid var(--primary-color);
}

.page-blog__btn-secondary:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(17, 168, 78, 0.3);
}

.page-blog__section {
  padding: 60px 20px;
  background-color: var(--background);
  color: var(--text-main);
  border-bottom: 1px solid var(--divider-color);
}

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

.page-blog__section-title {
  font-size: 2.2em;
  color: var(--gold-color);
  text-align: center;
  margin-bottom: 40px;
  font-weight: 600;
}

.page-blog__text-block {
  font-size: 1.05em;
  color: var(--text-secondary);
  margin-bottom: 20px;
  text-align: justify;
}

/* Category Grid */
.page-blog__categories {
  background-color: var(--deep-green); /* Use a slightly different dark green */
}

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

.page-blog__category-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);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-color);
}

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

.page-blog__category-title {
  font-size: 1.5em;
  color: var(--gold-color);
  margin-bottom: 15px;
  line-height: 1.3;
}

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

.page-blog__category-title a:hover {
  color: var(--glow-color);
}

.page-blog__category-description {
  color: var(--text-secondary);
  font-size: 0.95em;
  margin-bottom: 20px;
}

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

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

/* Featured Posts Grid */
.page-blog__post-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);
  display: flex;
  flex-direction: column;
}

.page-blog__post-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 25px 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; /* Allow content to grow */
  display: flex;
  flex-direction: column;
}

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

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

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

.page-blog__post-date {
  font-size: 0.85em;
  color: var(--text-secondary);
  margin-bottom: 15px;
  display: block;
}

.page-blog__post-excerpt {
  font-size: 0.95em;
  color: var(--text-secondary);
  margin-bottom: 20px;
  flex-grow: 1; /* Allow excerpt to grow */
}

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

/* Why Follow Section */
.page-blog__why-follow {
  background-color: var(--deep-green);
}

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

.page-blog__benefit-item {
  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__benefit-title {
  font-size: 1.4em;
  color: var(--gold-color);
  margin-bottom: 15px;
}

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

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

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

.page-blog__faq-item[open] {
  background-color: var(--deep-green);
}

.page-blog__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.1em;
  font-weight: bold;
  color: var(--text-main);
  cursor: pointer;
  background-color: transparent;
  border: none;
  width: 100%;
  text-align: left;
  transition: color 0.3s ease;
}

.page-blog__faq-item:hover .page-blog__faq-question {
  color: var(--glow-color);
}

.page-blog__faq-item summary { /* For details tag */
  list-style: none;
  padding: 0;
}
.page-blog__faq-item summary::-webkit-details-marker { /* Hide default marker for webkit */
  display: none;
}

.page-blog__faq-qtext {
  flex-grow: 1;
  color: var(--text-main); /* Ensure text color */
}

.page-blog__faq-toggle {
  font-size: 1.5em;
  margin-left: 15px;
  color: var(--primary-color);
  transition: transform 0.3s ease;
}

.page-blog__faq-item[open] .page-blog__faq-toggle {
  transform: rotate(45deg); /* Rotate for 'x' or similar effect */
  color: var(--gold-color);
}

.page-blog__faq-answer {
  padding: 0 25px 20px;
  font-size: 0.95em;
  color: var(--text-secondary);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}

.page-blog__faq-item[open] .page-blog__faq-answer {
  max-height: 500px; /* Sufficiently large to show content */
  transition: max-height 0.5s ease-in;
}

/* Final CTA Section */
.page-blog__cta-final {
  padding: 80px 20px;
  text-align: center;
  background-color: var(--deep-green);
  border-bottom: none; /* No border for final section */
}

.page-blog__cta-final-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
}

.page-blog__cta-final-image {
  width: 100%;
  max-width: 600px;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
  object-fit: cover;
}

.page-blog__cta-final-text {
  max-width: 700px;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-blog__hero-content {
    padding-bottom: 40px;
  }
  .page-blog__main-title {
    font-size: clamp(2em, 5vw, 3em);
  }
  .page-blog__section-title {
    font-size: 2em;
  }
}

@media (max-width: 768px) {
  .page-blog {
    font-size: 16px;
    line-height: 1.6;
  }

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

  .page-blog__hero-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-blog__hero-content {
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-blog__main-title {
    font-size: clamp(1.8em, 7vw, 2.5em);
  }

  .page-blog__description {
    font-size: 1em;
  }

  .page-blog__cta-buttons {
    flex-direction: column;
    gap: 15px;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-blog__btn {
    width: 100% !important;
    max-width: 100% !important;
    min-width: unset;
    padding: 12px 20px;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-blog__section {
    padding: 40px 15px;
  }

  .page-blog__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 0;
    padding-right: 0;
  }

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

  .page-blog__category-grid,
  .page-blog__post-grid,
  .page-blog__benefits-grid {
    grid-template-columns: 1fr;
    gap: 25px;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-blog__post-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important; /* Allow height to adjust */
    display: block !important;
  }

  .page-blog__post-card {
    flex-direction: column; /* Ensure vertical stack on mobile */
  }

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

  .page-blog__faq-list {
    padding-left: 15px;
    padding-right: 15px;
  }

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

  .page-blog__faq-answer {
    padding: 0 20px 15px;
  }

  .page-blog__cta-final-content {
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-blog__cta-final-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
}

/* Ensure all images and video elements are responsive */
.page-blog img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Specific for video if any, not used in this blog page */
.page-blog video,
.page-blog__video {
  max-width: 100%;
  width: 100%;
  height: auto;
  display: block;
}

.page-blog__video-section,
.page-blog__video-container,
.page-blog__video-wrapper {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

@media (max-width: 768px) {
  .page-blog img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .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; /* body already handles --header-offset */
  }

  .page-blog__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
}