:root {
  --primary-color: #26A9E0;
  --secondary-color: #FFFFFF;
  --text-color-dark: #333333;
  --text-color-light: #ffffff;
  --accent-color: #EA7C07; /* Màu cam cho nút đăng nhập/đăng ký */
}

.page-tin-tuc {
  font-family: Arial, sans-serif;
  color: var(--text-color-dark); /* Mặc định cho nền sáng */
  line-height: 1.6;
  background-color: var(--secondary-color);
}

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

.page-tin-tuc__section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 40px;
}

.page-tin-tuc__sub-title {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-top: 30px;
  margin-bottom: 15px;
}

/* Hero Section */
.page-tin-tuc__hero-section {
  position: relative;
  overflow: hidden;
  padding: 10px 0 60px;
  text-align: center;
  color: var(--text-color-light);
}

.page-tin-tuc__hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  filter: brightness(0.6);
}

.page-tin-tuc__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

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

.page-tin-tuc__hero-description {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--text-color-light);
  margin-bottom: 30px;
}

.page-tin-tuc__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

/* Buttons */
.page-tin-tuc__btn {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-tin-tuc__btn-primary {
  background: var(--accent-color);
  color: var(--secondary-color);
  border: 2px solid var(--accent-color);
}

.page-tin-tuc__btn-primary:hover {
  background: #d46c06;
  border-color: #d46c06;
  transform: translateY(-2px);
}

.page-tin-tuc__btn-secondary {
  background: var(--primary-color);
  color: var(--secondary-color);
  border: 2px solid var(--primary-color);
}

.page-tin-tuc__btn-secondary:hover {
  background: #1f8ec6;
  border-color: #1f8ec6;
  transform: translateY(-2px);
}

.page-tin-tuc__btn-outline {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.page-tin-tuc__btn-outline:hover {
  background: var(--primary-color);
  color: var(--secondary-color);
  transform: translateY(-2px);
}

/* Articles Section */
.page-tin-tuc__articles-section {
  padding: 60px 0;
  background: #f9f9f9;
}

.page-tin-tuc__articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-tin-tuc__article-card {
  background: var(--secondary-color);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  text-align: left;
  transition: transform 0.3s ease;
}

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

.page-tin-tuc__article-card img {
  width: 100%;
  height: auto;
  display: block;
}

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

.page-tin-tuc__card-date {
  font-size: 0.9rem;
  color: #888;
  margin-bottom: 10px;
}

.page-tin-tuc__card-title {
  margin-bottom: 10px;
}

.page-tin-tuc__card-title a {
  font-size: 1.5rem;
  color: var(--text-color-dark);
  text-decoration: none;
  font-weight: 600;
  display: block;
  transition: color 0.3s ease;
}

.page-tin-tuc__card-title a:hover {
  color: var(--primary-color);
}

.page-tin-tuc__card-description {
  font-size: 1rem;
  color: #666;
  line-height: 1.5;
  margin-bottom: 20px;
}

.page-tin-tuc__read-more {
  display: inline-block;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

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

.page-tin-tuc__view-all-btn-container {
  margin-top: 40px;
  text-align: center;
}

/* Promo Banner Section */
.page-tin-tuc__promo-banner {
  position: relative;
  overflow: hidden;
  background: linear-gradient(90deg, #26A9E0, #4CAF50); /* Example gradient */
  color: var(--secondary-color);
  padding: 80px 20px;
  text-align: center;
  margin: 60px auto;
  border-radius: 15px;
  max-width: 1200px;
  box-sizing: border-box;
}

.page-tin-tuc__promo-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  z-index: 0;
}

.page-tin-tuc__promo-content {
  position: relative;
  z-index: 1;
}

.page-tin-tuc__promo-title {
  font-size: 2.8rem;
  margin-bottom: 20px;
  line-height: 1.2;
  color: var(--secondary-color);
}

.page-tin-tuc__promo-description {
  font-size: 1.2rem;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* About News Section */
.page-tin-tuc__about-news-section {
  padding: 60px 0;
}

.page-tin-tuc__content-wrapper {
  display: flex;
  align-items: flex-start; /* Align content at the top */
  gap: 40px;
}

.page-tin-tuc__text-block {
  flex: 1;
}

.page-tin-tuc__text-block p {
  font-size: 1.1rem;
  line-height: 1.7;
  color: #444;
  margin-bottom: 20px;
}

.page-tin-tuc__image-block {
  flex: 0 0 400px; /* Fixed width for image block */
}

.page-tin-tuc__image-block img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

/* Final CTA Section */
.page-tin-tuc__cta-section {
  background: var(--primary-color);
  color: var(--secondary-color);
  padding: 80px 20px;
  text-align: center;
  margin-top: 60px;
}

.page-tin-tuc__cta-description {
  font-size: 1.2rem;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

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

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-tin-tuc__hero-content {
    padding: 0 30px;
  }

  .page-tin-tuc__articles-grid {
    gap: 20px;
    padding: 0 30px;
  }

  .page-tin-tuc__promo-banner {
    padding: 60px 30px;
    margin: 40px auto;
  }

  .page-tin-tuc__about-news-section .page-tin-tuc__container {
    padding: 0 30px;
  }

  .page-tin-tuc__content-wrapper {
    gap: 30px;
  }

  .page-tin-tuc__image-block {
    flex: 0 0 300px;
  }

  .page-tin-tuc__cta-section {
    padding: 60px 30px;
  }
}

@media (max-width: 768px) {
  /* Top Section / Hero Section */
  .page-tin-tuc__hero-section {
    padding-top: 10px !important; /* Small top padding, not --header-offset */
    padding-bottom: 40px;
  }

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

  .page-tin-tuc__main-title {
    font-size: clamp(2rem, 8vw, 2.5rem);
    margin-bottom: 15px;
  }

  .page-tin-tuc__hero-description {
    font-size: 1rem;
    margin-bottom: 20px;
  }

  .page-tin-tuc__cta-buttons {
    flex-direction: column;
    align-items: center;
    gap: 15px;
    padding: 0 15px;
    width: 100% !important; /* Ensure container fills width */
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  /* General Buttons */
  .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: 12px 20px;
    font-size: 1rem;
  }

  /* Articles Section */
  .page-tin-tuc__articles-section {
    padding: 40px 0;
  }

  .page-tin-tuc__section-title {
    font-size: 2rem;
    margin-bottom: 30px;
  }

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

  .page-tin-tuc__article-card {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-tin-tuc__card-title a {
    font-size: 1.2rem;
  }

  /* Promo Banner Section */
  .page-tin-tuc__promo-banner {
    padding: 50px 15px;
    margin: 40px 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-tin-tuc__promo-title {
    font-size: 2rem;
  }

  .page-tin-tuc__promo-description {
    font-size: 1rem;
  }

  /* About News Section */
  .page-tin-tuc__about-news-section {
    padding: 40px 0;
  }

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

  .page-tin-tuc__content-wrapper {
    flex-direction: column;
    gap: 30px;
  }

  .page-tin-tuc__image-block {
    flex: 0 0 auto;
    width: 100%;
  }

  .page-tin-tuc__text-block p {
    font-size: 1rem;
  }

  .page-tin-tuc__sub-title {
    font-size: 1.5rem;
  }

  /* Final CTA Section */
  .page-tin-tuc__cta-section {
    padding: 50px 15px;
    margin-top: 40px;
  }

  .page-tin-tuc__cta-description {
    font-size: 1rem;
  }

  /* General Image & Container Responsive */
  .page-tin-tuc img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-tin-tuc__container,
  .page-tin-tuc__section,
  .page-tin-tuc__article-wrap,
  .page-tin-tuc__content-area,
  .page-tin-tuc__card,
  .page-tin-tuc__top-section,
  .page-tin-tuc__articles-section,
  .page-tin-tuc__about-news-section,
  .page-tin-tuc__cta-section {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
}