/* style/tin-tuc.css */

:root {
  --primary-color: #26A9E0;
  --secondary-color: #FFFFFF;
  --text-dark: #333333;
  --text-light: #ffffff;
  --button-login: #EA7C07;
  --background-white: #FFFFFF;
  --black: #000000;
}

.page-tin-tuc {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-dark); /* Default text color for light backgrounds */
  background-color: var(--background-white);
}

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

.page-tin-tuc__hero-section {
  padding-top: 10px; /* Small top padding, assuming body handles header offset */
  padding-bottom: 60px;
  text-align: center;
  background-color: var(--background-white);
  color: var(--text-dark);
}

.page-tin-tuc__main-title {
  font-size: clamp(2.2rem, 4vw, 3rem); /* H1 font size with clamp */
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
  color: var(--primary-color);
}

.page-tin-tuc__hero-description {
  font-size: 1.1rem;
  max-width: 800px;
  margin: 0 auto 30px auto;
  color: var(--text-dark);
}

.page-tin-tuc__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: 600;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  white-space: normal;
  word-wrap: break-word;
  box-sizing: border-box;
  max-width: 100%;
}

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

.page-tin-tuc__btn-primary:hover {
  background-color: darken(var(--primary-color), 10%);
  border-color: darken(var(--primary-color), 10%);
}

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

.page-tin-tuc__btn-secondary:hover {
  background-color: var(--primary-color);
  color: var(--text-light);
}

.page-tin-tuc__latest-news,
.page-tin-tuc__featured-categories,
.page-tin-tuc__why-choose,
.page-tin-tuc__newsletter-signup,
.page-tin-tuc__cta-banner {
  padding: 60px 0;
}

.page-tin-tuc__section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 15px;
  color: var(--primary-color);
}

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

.page-tin-tuc__dark-section {
  background-color: var(--primary-color);
  color: var(--text-light);
}

.page-tin-tuc__dark-section .page-tin-tuc__section-title,
.page-tin-tuc__dark-section .page-tin-tuc__section-subtitle {
  color: var(--text-light);
}

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

.page-tin-tuc__article-card {
  background-color: var(--background-white);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.page-tin-tuc__article-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-tin-tuc__article-image {
  width: 100%;
  height: 250px; /* Fixed height for consistency */
  object-fit: cover;
  display: block;
}

.page-tin-tuc__article-content {
  padding: 20px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.page-tin-tuc__article-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 10px;
  line-height: 1.3;
}

.page-tin-tuc__article-title a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-tin-tuc__article-title a:hover {
  color: darken(var(--primary-color), 15%);
}

.page-tin-tuc__article-meta {
  font-size: 0.9rem;
  color: #666;
  margin-bottom: 15px;
}

.page-tin-tuc__article-excerpt {
  font-size: 1rem;
  color: #555;
  margin-bottom: 20px;
  flex-grow: 1;
}

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

.page-tin-tuc__read-more:hover {
  text-decoration: underline;
  color: darken(var(--primary-color), 15%);
}

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

.page-tin-tuc__categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-tin-tuc__category-card {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  overflow: hidden;
  text-align: center;
  padding-bottom: 20px;
  text-decoration: none;
  color: var(--text-light);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, background-color 0.3s ease;
}

.page-tin-tuc__category-card:hover {
  transform: translateY(-5px);
  background-color: rgba(255, 255, 255, 0.2);
}

.page-tin-tuc__category-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  margin-bottom: 15px;
}

.page-tin-tuc__category-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-light);
  padding: 0 15px;
}

.page-tin-tuc__category-description {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.8);
  padding: 0 15px;
}

.page-tin-tuc__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-tin-tuc__feature-item {
  background-color: var(--background-white);
  border-radius: 10px;
  padding: 25px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  text-align: center;
}

.page-tin-tuc__feature-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.page-tin-tuc__feature-description {
  font-size: 1rem;
  color: #555;
}

.page-tin-tuc__cta-buttons--center {
  margin-top: 40px;
}

.page-tin-tuc__newsletter-signup {
  background-color: var(--primary-color);
  color: var(--text-light);
  text-align: center;
}

.page-tin-tuc__signup-form {
  max-width: 600px;
  margin: 40px auto 0 auto;
  padding: 20px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.page-tin-tuc__form-group {
  margin-bottom: 20px;
  text-align: left;
}

.page-tin-tuc__form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--text-light);
}

.page-tin-tuc__form-input,
.page-tin-tuc__form-textarea {
  width: calc(100% - 20px);
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 5px;
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-light);
  font-size: 1rem;
}

.page-tin-tuc__form-input::placeholder,
.page-tin-tuc__form-textarea::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.page-tin-tuc__form-input:focus,
.page-tin-tuc__form-textarea:focus {
  outline: none;
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.3);
}

.page-tin-tuc__cta-banner {
  text-align: center;
  padding: 80px 0;
  background-color: var(--background-white);
}

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

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

/* Tablet/Desktop (max-width: 1024px) - Less strict, usually handled by flex/grid */
@media (max-width: 1024px) {
  .page-tin-tuc__main-title {
    font-size: clamp(2rem, 4.5vw, 2.8rem);
  }

  .page-tin-tuc__section-title {
    font-size: clamp(1.6rem, 3.8vw, 2.3rem);
  }

  .page-tin-tuc__hero-description,
  .page-tin-tuc__section-subtitle {
    font-size: 1rem;
  }

  .page-tin-tuc__articles-grid,
  .page-tin-tuc__categories-grid,
  .page-tin-tuc__features-grid {
    gap: 20px;
  }

  .page-tin-tuc__article-image {
    height: 220px;
  }
}

/* Mobile (max-width: 768px) */
@media (max-width: 768px) {
  /* 1. Top section title + CTA */
  .page-tin-tuc__hero-section {
    padding-top: 10px !important; /* Small top padding, assuming body handles header offset */
    padding-bottom: 40px;
  }

  .page-tin-tuc__main-title {
    font-size: clamp(1.8rem, 7vw, 2.5rem); /* Adjust H1 for mobile */
    margin-bottom: 15px;
  }

  .page-tin-tuc__hero-description {
    font-size: 0.95rem;
    margin-bottom: 25px;
  }

  .page-tin-tuc__cta-buttons {
    flex-direction: column; /* Stack buttons vertically */
    gap: 10px;
    padding: 0 15px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-tin-tuc__btn {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding: 12px 15px; /* Adjust padding for full width */
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  /* 2. Single column long text container */
  .page-tin-tuc__container {
    padding: 0 15px !important; /* Smaller side padding */
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-tin-tuc__latest-news,
  .page-tin-tuc__featured-categories,
  .page-tin-tuc__why-choose,
  .page-tin-tuc__newsletter-signup,
  .page-tin-tuc__cta-banner {
    padding: 40px 0; /* Adjust section padding */
  }

  .page-tin-tuc__section-title {
    font-size: clamp(1.5rem, 6vw, 2rem);
    margin-bottom: 10px;
  }

  .page-tin-tuc__section-subtitle {
    font-size: 0.9rem;
    margin-bottom: 30px;
  }

  .page-tin-tuc__articles-grid,
  .page-tin-tuc__categories-grid,
  .page-tin-tuc__features-grid {
    grid-template-columns: 1fr; /* Single column layout */
    gap: 25px;
  }

  .page-tin-tuc__article-card {
    margin-bottom: 0; /* Remove extra margin if any */
  }

  .page-tin-tuc__article-image {
    height: 200px; /* Adjust image height for mobile */
  }

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

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

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

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

  .page-tin-tuc__feature-title {
    font-size: 1.1rem;
  }

  .page-tin-tuc__signup-form {
    padding: 15px;
  }

  .page-tin-tuc__form-input,
  .page-tin-tuc__form-textarea {
    width: calc(100% - 20px) !important; /* Ensure full width minus padding */
    box-sizing: border-box !important;
  }

  /* 3. Generic images and figure */
  .page-tin-tuc img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    box-sizing: border-box !important;
  }

  /* Ensure containers with images also adapt */
  .page-tin-tuc__article-card,
  .page-tin-tuc__category-card,
  .page-tin-tuc__feature-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  /* 4. Buttons and button containers - already covered in top section CTA */

  /* 5. Registration tutorial and FAQ blocks - N/A for this page, but structure for general long text is covered */
  /* For long text sections, ensure readability */
  .page-tin-tuc p,
  .page-tin-tuc li {
    font-size: 1rem;
    line-height: 1.6;
  }
}