.page-tin-tuc {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333333; /* Text Main */
  background-color: #F5F7FA; /* Background */
}

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

.page-tin-tuc__hero-section {
  padding-top: 10px; /* Small top padding, body handles header offset */
  padding-bottom: 40px;
  background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%);
  color: #ffffff;
  text-align: center;
}

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

.page-tin-tuc__hero-image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-tin-tuc__hero-content {
  max-width: 900px;
  margin: 0 auto;
}

.page-tin-tuc__main-title {
  font-size: clamp(2em, 4vw, 3.5em);
  font-weight: 700;
  margin-bottom: 15px;
  line-height: 1.2;
  color: #ffffff;
}

.page-tin-tuc__description {
  font-size: 1.1em;
  margin-bottom: 30px;
  color: #f0f0f0;
}

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

.page-tin-tuc__btn {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  transition: all 0.3s ease;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-tin-tuc__btn--primary {
  background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%);
  color: #ffffff;
  border: 2px solid transparent;
}

.page-tin-tuc__btn--primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.page-tin-tuc__btn--secondary {
  background: #ffffff;
  color: #E53935;
  border: 2px solid #E53935;
}

.page-tin-tuc__btn--secondary:hover {
  background: #f0f0f0;
  transform: translateY(-2px);
}

.page-tin-tuc__latest-news,
.page-tin-tuc__categories-section,
.page-tin-tuc__cta-banner-section {
  padding: 60px 0;
}

.page-tin-tuc__section-title {
  font-size: 2.5em;
  font-weight: 700;
  text-align: center;
  margin-bottom: 20px;
  color: #E53935;
}

.page-tin-tuc__section-description {
  font-size: 1.1em;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px;
  color: #333333;
}

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

.page-tin-tuc__article-card {
  background: #ffffff; /* Card BG */
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid #E0E0E0; /* Border */
}

.page-tin-tuc__article-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.page-tin-tuc__article-thumbnail {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

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

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

.page-tin-tuc__article-title a {
  color: #E53935;
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-tin-tuc__article-title a:hover {
  color: #FF5A4F;
}

.page-tin-tuc__article-date {
  font-size: 0.9em;
  color: #777777;
  margin-bottom: 15px;
  display: block;
}

.page-tin-tuc__article-excerpt {
  font-size: 1em;
  color: #555555;
  margin-bottom: 20px;
}

.page-tin-tuc__read-more {
  display: inline-block;
  color: #E53935;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

.page-tin-tuc__read-more:hover {
  color: #FF5A4F;
  text-decoration: underline;
}

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

.page-tin-tuc__category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.page-tin-tuc__category-card {
  background: #ffffff; /* Card BG */
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  text-align: center;
  padding: 25px;
  text-decoration: none;
  color: #333333;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid #E0E0E0; /* Border */
}

.page-tin-tuc__category-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.page-tin-tuc__category-icon {
  width: 100%;
  height: 150px; /* Adjusted height for category cards, still >200px image source */
  object-fit: cover;
  margin-bottom: 15px;
  border-radius: 8px;
}

.page-tin-tuc__category-title {
  font-size: 1.3em;
  font-weight: 600;
  margin-bottom: 10px;
  color: #E53935;
}

.page-tin-tuc__category-description {
  font-size: 0.95em;
  color: #555555;
}

.page-tin-tuc__cta-banner-section {
  background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%);
  color: #ffffff;
  text-align: center;
  padding: 80px 0;
}

.page-tin-tuc__cta-banner-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
}

.page-tin-tuc__cta-banner-image {
  max-width: 600px;
  width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.page-tin-tuc__cta-text-wrapper {
  max-width: 700px;
}

.page-tin-tuc__cta-title {
  font-size: clamp(1.8em, 3.5vw, 2.8em);
  font-weight: 700;
  margin-bottom: 15px;
  line-height: 1.2;
  color: #ffffff;
}

.page-tin-tuc__cta-description {
  font-size: 1.1em;
  margin-bottom: 30px;
  color: #f0f0f0;
}

/* --- Responsive Styles --- */

@media (max-width: 1024px) {
  .page-tin-tuc__main-title {
    font-size: clamp(2em, 5vw, 3em);
  }

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

  .page-tin-tuc__article-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }

  .page-tin-tuc__category-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  }
}

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

  .page-tin-tuc__container {
    padding: 0 15px;
  }

  .page-tin-tuc__hero-content {
    padding: 0 15px;
  }

  .page-tin-tuc__main-title {
    font-size: clamp(1.8em, 7vw, 2.5em) !important;
  }

  .page-tin-tuc__description {
    font-size: 1em;
    padding: 0 10px;
  }

  .page-tin-tuc__hero-cta-buttons {
    flex-direction: column;
    gap: 10px;
    padding: 0 15px;
  }

  .page-tin-tuc__btn {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 12px 15px !important;
    font-size: 1em;
  }

  /* 2. Single column long-form container padding/font size/max-width */
  .page-tin-tuc__latest-news,
  .page-tin-tuc__categories-section,
  .page-tin-tuc__cta-banner-section {
    padding: 40px 0;
  }

  .page-tin-tuc__section-title {
    font-size: 1.8em;
    padding: 0 15px;
  }

  .page-tin-tuc__section-description {
    font-size: 0.95em;
    padding: 0 15px;
    margin-bottom: 30px;
  }

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

  .page-tin-tuc__article-thumbnail,
  .page-tin-tuc__category-icon {
    height: auto; /* Allow height to adjust proportionally */
    max-height: 250px; /* Cap max height for smaller screens if needed */
    object-fit: cover;
  }

  .page-tin-tuc__hero-image {
    width: 100%;
    height: auto;
  }

  .page-tin-tuc__cta-banner-image {
    width: 100%;
    height: auto;
    max-width: 100%;
  }

  .page-tin-tuc__article-card,
  .page-tin-tuc__category-card,
  .page-tin-tuc__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

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

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

  .page-tin-tuc__article-excerpt {
    font-size: 0.9em;
  }

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

  .page-tin-tuc__category-description {
    font-size: 0.85em;
  }

  /* 4. Buttons and button containers */
  .page-tin-tuc__cta-button,
  .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-left: 15px !important;
    padding-right: 15px !important;
  }

  .page-tin-tuc__hero-cta-buttons,
  .page-tin-tuc__button-group,
  .page-tin-tuc__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
    flex-direction: column; /* Ensure vertical stacking for button groups */
  }

  /* 5. Registration tutorial/FAQ readability - Not applicable directly to this news page as no dedicated FAQ or full tutorial */
  /* However, general text readability is covered by .page-tin-tuc p, li font size adjustments */
  .page-tin-tuc p, .page-tin-tuc li {
    font-size: 15px;
    line-height: 1.5;
  }

  .page-tin-tuc__cta-title {
    font-size: 1.8em !important;
    padding: 0 15px;
  }

  .page-tin-tuc__cta-description {
    font-size: 1em;
    padding: 0 15px;
  }

  .page-tin-tuc__cta-banner-content {
    padding: 0 15px;
  }
}