.page-tin-tuc {
  background-color: #F4F7FB;
  color: #1F2D3D;
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
}

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

.page-tin-tuc__top-section {
  padding-top: 10px; /* Small top padding, body handles --header-offset */
  padding-bottom: 40px;
  text-align: center;
  background-color: #F4F7FB;
}

.page-tin-tuc__main-title {
  font-size: clamp(2em, 3.5vw, 2.8em);
  font-weight: 700;
  color: #1F2D3D;
  margin-bottom: 15px;
  line-height: 1.2;
}

.page-tin-tuc__description {
  font-size: 1.1em;
  color: #1F2D3D;
  max-width: 800px;
  margin: 0 auto 30px auto;
}

.page-tin-tuc__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
}

.page-tin-tuc__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1em;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

.page-tin-tuc__btn--primary {
  background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
  color: #ffffff;
  border: 2px solid transparent;
}

.page-tin-tuc__btn--primary:hover {
  box-shadow: 0 4px 15px rgba(47, 107, 255, 0.4);
  transform: translateY(-2px);
}

.page-tin-tuc__btn--secondary {
  background-color: #ffffff;
  color: #2F6BFF;
  border: 2px solid #2F6BFF;
}

.page-tin-tuc__btn--secondary:hover {
  background-color: #e0eaff;
  color: #2F6BFF;
  border-color: #2F6BFF;
  box-shadow: 0 2px 10px rgba(47, 107, 255, 0.2);
  transform: translateY(-2px);
}

.page-tin-tuc__btn--glow {
  background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
  color: #ffffff;
  border: 2px solid transparent;
  box-shadow: 0 0 15px #A5C4FF;
}

.page-tin-tuc__btn--glow:hover {
  box-shadow: 0 0 25px #A5C4FF;
  transform: translateY(-2px);
}

.page-tin-tuc__news-list-section {
  padding: 60px 0;
  background-color: #ffffff;
}

.page-tin-tuc__section-title {
  font-size: clamp(1.8em, 3vw, 2.5em);
  font-weight: 700;
  color: #1F2D3D;
  text-align: center;
  margin-bottom: 20px;
}

.page-tin-tuc__section-description {
  font-size: 1.05em;
  color: #1F2D3D;
  text-align: center;
  max-width: 900px;
  margin: 0 auto 40px auto;
}

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

.page-tin-tuc__news-card {
  background-color: #FFFFFF;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid #D6E2FF;
}

.page-tin-tuc__news-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.page-tin-tuc__news-card-link {
  text-decoration: none;
  display: block;
  color: inherit;
}

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

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

.page-tin-tuc__news-card-title {
  font-size: 1.3em;
  font-weight: 600;
  color: #1F2D3D;
  margin-bottom: 10px;
  line-height: 1.4;
}

.page-tin-tuc__news-card-date {
  font-size: 0.9em;
  color: #6FA3FF;
  margin-bottom: 15px;
}

.page-tin-tuc__news-card-excerpt {
  font-size: 0.95em;
  color: #1F2D3D;
  line-height: 1.5;
}

.page-tin-tuc__view-all-button-container {
  text-align: center;
}

.page-tin-tuc__promo-banner {
  padding: 80px 0;
  background: #2F6BFF;
  text-align: center;
  color: #ffffff;
}

.page-tin-tuc__promo-title {
  font-size: clamp(2em, 3.8vw, 3em);
  font-weight: 700;
  margin-bottom: 20px;
  color: #ffffff;
  line-height: 1.2;
}

.page-tin-tuc__promo-text {
  font-size: 1.15em;
  max-width: 900px;
  margin: 0 auto 40px auto;
  color: #ffffff;
}

.page-tin-tuc__about-section {
  padding: 60px 0;
  background-color: #F4F7FB;
  text-align: center;
}

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

/* Responsive styles for tablets and smaller desktops */
@media (max-width: 1024px) {
  .page-tin-tuc__main-title {
    font-size: clamp(2em, 4.5vw, 3.2em);
  }

  .page-tin-tuc__description,
  .page-tin-tuc__section-description,
  .page-tin-tuc__promo-text {
    font-size: 1em;
    padding: 0 15px;
  }

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

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

  .page-tin-tuc__promo-title {
    font-size: clamp(2em, 4.5vw, 3.5em);
  }
}

/* Responsive styles for mobile devices */
@media (max-width: 768px) {
  .page-tin-tuc__top-section {
    padding-top: 10px !important; /* Ensures small top padding */
    padding-bottom: 30px;
  }

  .page-tin-tuc__main-title {
    font-size: clamp(1.8em, 7vw, 2.5em);
    padding: 0 15px;
  }

  .page-tin-tuc__description {
    font-size: 0.95em;
    padding: 0 15px;
  }

  .page-tin-tuc__cta-buttons {
    flex-direction: column; /* Buttons stack vertically */
    gap: 10px;
    padding: 0 15px;
  }

  .page-tin-tuc__btn {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-tin-tuc__news-list-section,
  .page-tin-tuc__promo-banner,
  .page-tin-tuc__about-section {
    padding: 40px 0;
  }

  .page-tin-tuc__section-title {
    font-size: clamp(1.5em, 6vw, 2em);
    padding: 0 15px;
  }

  .page-tin-tuc__section-description {
    font-size: 0.9em;
    padding: 0 15px;
  }

  .page-tin-tuc__news-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 0 15px;
  }

  .page-tin-tuc__news-card-image {
    height: 160px;
  }

  .page-tin-tuc__news-card-title {
    font-size: 1.1em;
  }

  .page-tin-tuc__news-card-date,
  .page-tin-tuc__news-card-excerpt {
    font-size: 0.85em;
  }

  .page-tin-tuc__view-all-button-container {
    padding: 0 15px;
  }

  .page-tin-tuc__promo-title {
    font-size: clamp(1.8em, 7vw, 2.5em);
    padding: 0 15px;
  }

  .page-tin-tuc__promo-text {
    font-size: 0.95em;
    padding: 0 15px;
  }

  /* Ensure all images are responsive */
  .page-tin-tuc img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  
  .page-tin-tuc__container,
  .page-tin-tuc__news-card,
  .page-tin-tuc__promo-banner,
  .page-tin-tuc__about-section {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* No specific registration tutorial or FAQ blocks in this news page, so no specific mobile rules for them. */
}