.page-tin-tuc {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--Text-Main); /* Default text color for dark body background */
  background-color: var(--Deep-Navy);
}

.page-tin-tuc__hero-section {
  padding-top: 10px; /* Adhering to the 10px rule for first section */
  padding-bottom: 60px;
  background-color: var(--Deep-Navy);
  color: var(--Text-Main);
}

.page-tin-tuc__hero-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding: 40px 20px;
  gap: 30px;
}

.page-tin-tuc__hero-content {
  flex: 1 1 50%;
  min-width: 300px;
  text-align: left;
}

.page-tin-tuc__hero-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
  color: var(--Text-Main);
}

.page-tin-tuc__hero-description {
  font-size: 1.1rem;
  margin-bottom: 30px;
  color: var(--Text-Secondary);
}

.page-tin-tuc__hero-cta-group {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.page-tin-tuc__hero-image {
  flex: 1 1 40%;
  min-width: 300px;
  text-align: center;
}

.page-tin-tuc__hero-main-image {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-tin-tuc__content-area {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 20px;
  color: var(--Text-Main);
}

.page-tin-tuc__dark-section {
  background-color: var(--Deep-Navy);
  color: var(--Text-Main);
}

.page-tin-tuc__section-title {
  font-size: 2.2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 20px;
  color: var(--Text-Main);
}

.page-tin-tuc__section-title--light {
  color: var(--Text-Main);
}

.page-tin-tuc__section-description {
  font-size: 1.1rem;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px;
  color: var(--Text-Secondary);
}

.page-tin-tuc__section-description--light {
  color: var(--Text-Secondary);
}

.page-tin-tuc__news-grid,
.page-tin-tuc__promo-grid,
.page-tin-tuc__guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.page-tin-tuc__news-card,
.page-tin-tuc__promo-card,
.page-tin-tuc__guide-card {
  background-color: var(--Card-BG);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  color: var(--Text-Main);
}

.page-tin-tuc__news-card:hover,
.page-tin-tuc__promo-card:hover,
.page-tin-tuc__guide-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-tin-tuc__news-card-image,
.page-tin-tuc__promo-card-image,
.page-tin-tuc__guide-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

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

.page-tin-tuc__news-card-date,
.page-tin-tuc__promo-card-date,
.page-tin-tuc__guide-card-date {
  font-size: 0.9rem;
  color: var(--Text-Secondary);
  margin-bottom: 10px;
}

.page-tin-tuc__news-card-title,
.page-tin-tuc__promo-card-title,
.page-tin-tuc__guide-card-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 15px;
  line-height: 1.4;
}

.page-tin-tuc__news-card-title a,
.page-tin-tuc__promo-card-title a,
.page-tin-tuc__guide-card-title a {
  color: var(--Text-Main);
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-tin-tuc__news-card-title a:hover,
.page-tin-tuc__promo-card-title a:hover,
.page-tin-tuc__guide-card-title a:hover {
  color: var(--Glow);
}

.page-tin-tuc__news-card-excerpt,
.page-tin-tuc__promo-card-excerpt,
.page-tin-tuc__guide-card-excerpt {
  font-size: 1rem;
  color: var(--Text-Secondary);
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-tin-tuc__btn-link {
  color: var(--Glow);
  text-decoration: none;
  font-weight: 600;
  align-self: flex-start;
  transition: color 0.3s ease;
}

.page-tin-tuc__btn-link:hover {
  color: #fff;
}

.page-tin-tuc__btn-link--light {
  color: var(--Glow);
}

.page-tin-tuc__btn-link--light:hover {
  color: #fff;
}

.page-tin-tuc__view-all-button-container {
  text-align: center;
  margin-top: 20px;
}

.page-tin-tuc__btn-primary {
  display: inline-block;
  padding: 12px 25px;
  background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
  color: #fff;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  transition: background-color 0.3s ease, transform 0.3s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  white-space: normal;
  word-wrap: break-word;
  box-sizing: border-box;
}

.page-tin-tuc__btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.page-tin-tuc__btn-secondary {
  display: inline-block;
  padding: 12px 25px;
  background: transparent;
  color: var(--Glow);
  text-decoration: none;
  border: 2px solid var(--Glow);
  border-radius: 8px;
  font-weight: 600;
  transition: background-color 0.3s ease, color 0.3s ease, transform 0.3s ease;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  white-space: normal;
  word-wrap: break-word;
  box-sizing: border-box;
}

.page-tin-tuc__btn-secondary:hover {
  background: var(--Glow);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.page-tin-tuc__cta-button {
  max-width: 100%;
}

.page-tin-tuc__faq-section {
  padding: 60px 0;
  background-color: var(--Deep-Navy);
  color: var(--Text-Main);
}

.page-tin-tuc__faq-list {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-tin-tuc__faq-item {
  background-color: var(--Card-BG);
  border-radius: 8px;
  margin-bottom: 15px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
  overflow: hidden;
  color: var(--Text-Main);
}

.page-tin-tuc__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.15rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--Text-Main);
  background-color: #10233F; /* Ensure good contrast */
  border-bottom: 1px solid var(--Divider);
}

.page-tin-tuc__faq-question::-webkit-details-marker {
  display: none;
}

.page-tin-tuc__faq-question::marker {
  display: none;
}

.page-tin-tuc__faq-item[open] .page-tin-tuc__faq-question {
  background-color: #152A4A;
}

.page-tin-tuc__faq-qtext {
  flex-grow: 1;
}

.page-tin-tuc__faq-toggle {
  font-size: 1.8rem;
  line-height: 1;
  margin-left: 15px;
  transition: transform 0.3s ease;
}

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

.page-tin-tuc__faq-answer {
  padding: 0 25px 20px;
  font-size: 1rem;
  color: var(--Text-Secondary);
  line-height: 1.6;
}

.page-tin-tuc__cta-section {
  padding: 80px 20px;
  text-align: center;
  background-color: var(--Deep-Navy);
  color: var(--Text-Main);
}

.page-tin-tuc__cta-section .page-tin-tuc__section-title {
  color: var(--Text-Main);
}

.page-tin-tuc__cta-section .page-tin-tuc__section-description {
  color: var(--Text-Secondary);
  margin-bottom: 40px;
}

.page-tin-tuc__button-group {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* General image responsiveness */
.page-tin-tuc img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
  .page-tin-tuc {
    font-size: 15px;
  }

  .page-tin-tuc__hero-section {
    padding-top: 10px !important;
    padding-bottom: 40px;
  }

  .page-tin-tuc__hero-container {
    flex-direction: column;
    padding: 20px 15px;
  }

  .page-tin-tuc__hero-content {
    text-align: center;
    flex: 1 1 100%;
  }

  .page-tin-tuc__hero-title {
    font-size: clamp(2rem, 8vw, 2.8rem);
    margin-bottom: 15px;
  }

  .page-tin-tuc__hero-description {
    font-size: 1rem;
    margin-bottom: 25px;
  }

  .page-tin-tuc__hero-cta-group {
    flex-direction: column;
    gap: 10px;
  }

  .page-tin-tuc__hero-image {
    flex: 1 1 100%;
  }

  .page-tin-tuc__content-area {
    padding: 40px 15px;
  }

  .page-tin-tuc__section-title {
    font-size: 1.8rem;
    margin-bottom: 15px;
  }

  .page-tin-tuc__section-description {
    font-size: 1rem;
    margin-bottom: 30px;
  }

  .page-tin-tuc__news-grid,
  .page-tin-tuc__promo-grid,
  .page-tin-tuc__guide-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-tin-tuc__news-card-image,
  .page-tin-tuc__promo-card-image,
  .page-tin-tuc__guide-card-image {
    height: 180px;
  }

  .page-tin-tuc__news-card-title,
  .page-tin-tuc__promo-card-title,
  .page-tin-tuc__guide-card-title {
    font-size: 1.2rem;
  }

  .page-tin-tuc__news-card-excerpt,
  .page-tin-tuc__promo-card-excerpt,
  .page-tin-tuc__guide-card-excerpt {
    font-size: 0.95rem;
  }

  .page-tin-tuc__btn-primary,
  .page-tin-tuc__btn-secondary,
  .page-tin-tuc a[class*="button"],
  .page-tin-tuc a[class*="btn"] {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding: 12px 15px;
    font-size: 1rem;
  }

  .page-tin-tuc__hero-cta-group,
  .page-tin-tuc__button-group,
  .page-tin-tuc__view-all-button-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 0;
    padding-right: 0;
    flex-direction: column;
    gap: 10px;
  }

  .page-tin-tuc img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-tin-tuc__section,
  .page-tin-tuc__card,
  .page-tin-tuc__container,
  .page-tin-tuc__faq-list {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-tin-tuc__faq-question {
    padding: 15px 20px;
    font-size: 1rem;
  }

  .page-tin-tuc__faq-answer {
    padding: 0 20px 15px;
    font-size: 0.95rem;
  }

  .page-tin-tuc__cta-section {
    padding: 60px 15px;
  }
}