.page-tin-tuc {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333333; /* Default text color for light body background */
  background-color: #ffffff;
}

.page-tin-tuc__container {
  max-width: 1150px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

/* Hero Section */
.page-tin-tuc__hero-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-top: 10px; /* Small top padding as per instruction */
  padding-bottom: 40px;
  background-color: #f8f8f8;
  border-bottom: 1px solid #e0e0e0;
}

.page-tin-tuc__hero-content {
  max-width: 800px;
  margin-bottom: 30px;
}

.page-tin-tuc__main-title {
  font-size: clamp(2em, 4vw, 2.8em);
  color: #26A9E0;
  margin-bottom: 15px;
  font-weight: 700;
  line-height: 1.2;
}

.page-tin-tuc__description,
.page-tin-tuc__sub-description {
  font-size: 1.1em;
  margin-bottom: 15px;
  color: #555555;
}

.page-tin-tuc__cta-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
  margin-top: 25px;
  flex-wrap: wrap; /* Allow wrapping on smaller screens */
}

.page-tin-tuc__btn {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  white-space: normal;
  word-wrap: break-word;
  box-sizing: border-box;
  max-width: 100%;
}

.page-tin-tuc__btn--primary {
  background-color: #26A9E0;
  color: #ffffff;
  border: 2px solid #26A9E0;
}

.page-tin-tuc__btn--primary:hover {
  background-color: #1e87c0;
  border-color: #1e87c0;
}

.page-tin-tuc__btn--secondary {
  background-color: #ffffff;
  color: #26A9E0;
  border: 2px solid #26A9E0;
}

.page-tin-tuc__btn--secondary:hover {
  background-color: #e0f2f7;
}

.page-tin-tuc__btn--white {
  background-color: #ffffff;
  color: #26A9E0;
  border: 2px solid #ffffff;
}

.page-tin-tuc__btn--white:hover {
  background-color: #f0f0f0;
}

.page-tin-tuc__btn--outline-white {
  background-color: transparent;
  color: #ffffff;
  border: 2px solid #ffffff;
}

.page-tin-tuc__btn--outline-white:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.page-tin-tuc__hero-image-wrapper {
  width: 100%;
  max-width: 1200px;
  margin-top: 30px;
}

.page-tin-tuc__hero-image-wrapper img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
}

/* Latest News Section */
.page-tin-tuc__latest-news-section {
  padding: 60px 0;
  background-color: #ffffff;
}

.page-tin-tuc__section-title {
  font-size: 2.2em;
  color: #26A9E0;
  text-align: center;
  margin-bottom: 25px;
  font-weight: 700;
}

.page-tin-tuc__intro-text {
  font-size: 1.1em;
  text-align: center;
  max-width: 900px;
  margin: 0 auto 40px auto;
  color: #555555;
}

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

.page-tin-tuc__news-card {
  background-color: #ffffff;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.page-tin-tuc__news-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.page-tin-tuc__news-image-wrapper {
  width: 100%;
  height: 200px; /* Fixed height for consistency */
  overflow: hidden;
}

.page-tin-tuc__news-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-tin-tuc__news-content {
  padding: 20px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.page-tin-tuc__news-title {
  font-size: 1.4em;
  margin-bottom: 10px;
  font-weight: 600;
  line-height: 1.3;
}

.page-tin-tuc__news-title a {
  color: #26A9E0;
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-tin-tuc__news-title a:hover {
  color: #1e87c0;
}

.page-tin-tuc__news-meta {
  font-size: 0.9em;
  color: #888888;
  margin-bottom: 15px;
}

.page-tin-tuc__news-excerpt {
  font-size: 1em;
  color: #666666;
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-tin-tuc__read-more {
  display: inline-block;
  color: #26A9E0;
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s ease;
  align-self: flex-start;
}

.page-tin-tuc__read-more:hover {
  color: #1e87c0;
}

.page-tin-tuc__view-all {
  text-align: center;
  margin-top: 50px;
}

/* Promo Section */
.page-tin-tuc__promo-section {
  padding: 80px 0;
  text-align: center;
}

.page-tin-tuc__dark-bg {
  background-color: #26A9E0;
  color: #ffffff; /* White text for dark background */
}

.page-tin-tuc__dark-bg .page-tin-tuc__section-title {
  color: #ffffff;
}

.page-tin-tuc__dark-bg .page-tin-tuc__description {
  color: #f0f0f0;
}

/* Categories Section */
.page-tin-tuc__categories-section {
  padding: 60px 0;
  background-color: #f8f8f8;
}

.page-tin-tuc__category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  margin-top: 40px;
}

.page-tin-tuc__category-card {
  background-color: #ffffff;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  padding: 25px;
  text-align: center;
  text-decoration: none;
  color: #333333;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.page-tin-tuc__category-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.12);
}

.page-tin-tuc__category-title {
  font-size: 1.5em;
  color: #26A9E0;
  margin-bottom: 10px;
  font-weight: 600;
}

.page-tin-tuc__category-desc {
  font-size: 0.95em;
  color: #666666;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-tin-tuc__container {
    padding: 0 15px;
  }

  .page-tin-tuc__main-title {
    font-size: clamp(1.8em, 5vw, 2.5em);
  }

  .page-tin-tuc__description,
  .page-tin-tuc__sub-description {
    font-size: 1em;
  }

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

  .page-tin-tuc__news-grid {
    gap: 20px;
  }

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

  .page-tin-tuc__category-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
  }
}

@media (max-width: 768px) {
  /* 1. Top section title + Dual CTA */
  .page-tin-tuc__hero-section {
    padding-top: 10px !important; /* Enforced small top padding */
    padding-bottom: 30px;
  }

  .page-tin-tuc__hero-content {
    margin-bottom: 20px;
  }

  .page-tin-tuc__main-title {
    font-size: clamp(1.5em, 6vw, 2.2em) !important;
    margin-bottom: 10px;
  }

  .page-tin-tuc__description,
  .page-tin-tuc__sub-description {
    font-size: 0.95em !important;
    margin-bottom: 10px;
  }

  .page-tin-tuc__cta-buttons {
    flex-direction: column !important; /* Buttons stack vertically */
    gap: 10px;
    width: 100% !important; /* Ensure container is full width */
    max-width: 100% !important;
    padding-left: 15px;
    padding-right: 15px;
    box-sizing: border-box !important;
  }

  /* 4. Buttons and button containers */
  .page-tin-tuc__btn {
    width: 100% !important;
    max-width: 100% !important;
    padding: 10px 15px !important;
    font-size: 0.95em !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    box-sizing: border-box !important;
  }

  /* 2. Single column long article container */
  .page-tin-tuc__container {
    padding-left: 15px !important;
    padding-right: 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-tin-tuc__latest-news-section,
  .page-tin-tuc__promo-section,
  .page-tin-tuc__categories-section {
    padding: 40px 0 !important;
  }

  .page-tin-tuc__section-title {
    font-size: 1.8em !important;
    margin-bottom: 20px;
  }

  .page-tin-tuc__intro-text {
    font-size: 0.95em !important;
    margin-bottom: 30px;
  }

  .page-tin-tuc__news-grid {
    grid-template-columns: 1fr !important; /* Single column layout */
    gap: 25px;
  }

  /* 3. General images and figure */
  .page-tin-tuc img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-tin-tuc__news-image-wrapper {
    height: 180px; /* Adjust height for mobile */
  }

  .page-tin-tuc__news-content {
    padding: 15px;
  }

  .page-tin-tuc__news-title {
    font-size: 1.2em !important;
  }

  .page-tin-tuc__news-excerpt {
    font-size: 0.9em !important;
  }

  .page-tin-tuc__category-grid {
    grid-template-columns: 1fr !important; /* Single column layout */
    gap: 15px;
  }

  .page-tin-tuc__category-card {
    padding: 20px;
  }

  .page-tin-tuc__category-title {
    font-size: 1.3em !important;
  }

  .page-tin-tuc__category-desc {
    font-size: 0.85em !important;
  }

  /* 5. Registration tutorial and FAQ block (Not explicitly present as tutorial/FAQ block, but general content blocks) */
  .page-tin-tuc__promo-section .page-tin-tuc__description {
    font-size: 0.95em !important;
  }
}