/* Base styles for the tin-tuc page */
.page-tin-tuc {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333333; /* Dark text on light body background #F4F7FB */
  background-color: #F4F7FB;
}

.page-tin-tuc__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 15px;
  box-sizing: border-box;
}

.page-tin-tuc__main-title {
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 700;
  color: #1F2D3D;
  text-align: center;
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-tin-tuc__section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  color: #1F2D3D;
  text-align: center;
  margin-bottom: 30px;
  line-height: 1.3;
}

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

.page-tin-tuc__section-description {
  font-size: 1.1rem;
  color: #555555;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px;
}

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

.page-tin-tuc__btn-primary {
  background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
  color: #ffffff;
  border: none;
}

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

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

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

.page-tin-tuc__btn-text {
  background: none;
  color: #2F6BFF;
  border: none;
  padding: 0;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: underline;
}

.page-tin-tuc__btn-text:hover {
  color: #6FA3FF;
}

/* Hero Section */
.page-tin-tuc__hero-section {
  position: relative;
  padding-top: 10px; /* Small top padding */
  padding-bottom: 60px;
  overflow: hidden;
  background-color: #F4F7FB;
}

.page-tin-tuc__hero-image-wrapper {
  position: relative;
  width: 100%;
  height: 500px;
  margin-bottom: 40px;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

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

.page-tin-tuc__hero-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  padding: 0 15px;
}

.page-tin-tuc__hero-description {
  font-size: 1.2rem;
  color: #555555;
  margin-bottom: 40px;
}

.page-tin-tuc__hero-cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* News List Section */
.page-tin-tuc__news-list-section {
  padding: 80px 0;
  background-color: #F4F7FB;
}

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

.page-tin-tuc__news-card {
  background: #ffffff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  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 8px 25px rgba(0, 0, 0, 0.12);
}

.page-tin-tuc__card-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

.page-tin-tuc__card-content {
  padding: 25px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.page-tin-tuc__card-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: #1F2D3D;
  margin-bottom: 10px;
  line-height: 1.4;
}

.page-tin-tuc__card-title a {
  color: #1F2D3D;
  text-decoration: none;
}

.page-tin-tuc__card-title a:hover {
  color: #2F6BFF;
}

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

.page-tin-tuc__card-text {
  font-size: 1rem;
  color: #555555;
  margin-bottom: 20px;
  flex-grow: 1;
}

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

/* Highlights Section */
.page-tin-tuc__highlights-section {
  padding: 80px 0;
  background: linear-gradient(180deg, #2F6BFF 0%, #6FA3FF 100%);
  color: #ffffff;
}

.page-tin-tuc__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-tin-tuc__feature-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(5px);
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.page-tin-tuc__feature-card:hover {
  transform: translateY(-5px);
}

.page-tin-tuc__feature-icon {
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin: 0 auto 20px;
  display: block;
}

.page-tin-tuc__feature-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 15px;
}

.page-tin-tuc__feature-text {
  font-size: 1rem;
  color: #f0f0f0;
}

/* How To Use Section */
.page-tin-tuc__how-to-use-section {
  padding: 80px 0;
  background-color: #F4F7FB;
}

.page-tin-tuc__article-body {
  max-width: 900px;
  margin: 0 auto 50px;
  font-size: 1.1rem;
  color: #333333;
  line-height: 1.8;
}

.page-tin-tuc__article-body p {
  margin-bottom: 20px;
}

.page-tin-tuc__article-body strong {
  color: #1F2D3D;
}

.page-tin-tuc__cta-bottom-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
  flex-wrap: wrap;
}

/* FAQ Section */
.page-tin-tuc__faq-section {
  padding: 80px 0;
  background-color: #F4F7FB;
}

.page-tin-tuc__faq-list {
  max-width: 900px;
  margin: 50px auto 0;
}

details.page-tin-tuc__faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  border: 1px solid #D6E2FF;
  overflow: hidden;
  background: #ffffff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

details.page-tin-tuc__faq-item summary.page-tin-tuc__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
}

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

details.page-tin-tuc__faq-item summary.page-tin-tuc__faq-question:hover {
  background: #f5f8ff;
}

.page-tin-tuc__faq-qtext {
  flex: 1;
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: #1F2D3D;
}

.page-tin-tuc__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #2F6BFF;
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}

details.page-tin-tuc__faq-item .page-tin-tuc__faq-answer {
  padding: 0 25px 20px;
  background: #f9fbfc;
  border-radius: 0 0 8px 8px;
  color: #555555;
}

.page-tin-tuc__faq-answer p {
  margin: 0;
}

/* --- General Image & Button Responsiveness --- */
.page-tin-tuc img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-tin-tuc__hero-cta-buttons,
.page-tin-tuc__cta-bottom-buttons {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

/* --- Media Queries --- */
@media (max-width: 1024px) {
  .page-tin-tuc__hero-image-wrapper {
    height: 400px;
  }

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

  .page-tin-tuc__features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-tin-tuc__hero-description,
  .page-tin-tuc__section-description,
  .page-tin-tuc__article-body {
    padding: 0 10px;
  }
}

@media (max-width: 768px) {
  /* HERO Section */
  .page-tin-tuc__hero-section {
    padding-top: 10px !important; /* Keep small top padding */
    padding-bottom: 40px;
  }

  .page-tin-tuc__hero-image-wrapper {
    height: 250px;
    border-radius: 10px;
    margin-bottom: 30px;
  }

  .page-tin-tuc__hero-image {
    object-fit: contain !important;
    aspect-ratio: unset !important;
  }

  .page-tin-tuc__main-title {
    font-size: clamp(1.8rem, 7vw, 2.2rem);
    margin-bottom: 15px;
  }

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

  .page-tin-tuc__hero-cta-buttons,
  .page-tin-tuc__cta-bottom-buttons {
    flex-direction: column;
    gap: 15px;
    padding: 0 15px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .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;
  }

  /* News List Section */
  .page-tin-tuc__news-list-section {
    padding: 50px 0;
  }

  .page-tin-tuc__section-title {
    font-size: clamp(1.5rem, 6vw, 2rem);
    margin-bottom: 20px;
  }

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

  .page-tin-tuc__news-grid {
    grid-template-columns: 1fr; /* Single column for mobile */
    gap: 20px;
    padding: 0 15px;
  }

  .page-tin-tuc__news-card {
    margin-left: auto;
    margin-right: auto;
  }

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

  .page-tin-tuc__card-title {
    font-size: 1.15rem;
  }

  .page-tin-tuc__card-text {
    font-size: 0.95rem;
  }

  .page-tin-tuc__view-all-button-container {
    margin-top: 30px;
    padding: 0 15px;
  }

  /* Highlights Section */
  .page-tin-tuc__highlights-section {
    padding: 50px 0;
  }

  .page-tin-tuc__features-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 30px;
    padding: 0 15px;
  }

  .page-tin-tuc__feature-card {
    padding: 25px;
  }

  .page-tin-tuc__feature-title {
    font-size: 1.25rem;
  }

  /* How To Use Section */
  .page-tin-tuc__how-to-use-section {
    padding: 50px 0;
  }

  .page-tin-tuc__article-body {
    font-size: 1rem;
    margin-bottom: 30px;
    padding: 0 15px;
  }

  /* FAQ Section */
  .page-tin-tuc__faq-section {
    padding: 50px 0;
  }

  .page-tin-tuc__faq-list {
    margin-top: 30px;
    padding: 0 15px;
  }

  details.page-tin-tuc__faq-item summary.page-tin-tuc__faq-question {
    padding: 15px 20px;
  }

  .page-tin-tuc__faq-qtext {
    font-size: 1rem;
  }

  .page-tin-tuc__faq-toggle {
    font-size: 20px;
    width: 24px;
  }

  details.page-tin-tuc__faq-item .page-tin-tuc__faq-answer {
    padding: 0 20px 15px;
  }

  /* Ensure all images are responsive */
  .page-tin-tuc img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    box-sizing: border-box !important;
  }

  /* Ensure all content containers are responsive */
  .page-tin-tuc__container,
  .page-tin-tuc__news-list-section .page-tin-tuc__container,
  .page-tin-tuc__highlights-section .page-tin-tuc__container,
  .page-tin-tuc__how-to-use-section .page-tin-tuc__container,
  .page-tin-tuc__faq-section .page-tin-tuc__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
}