:root {
  /* Brand Colors from prompt */
  --color-deep-navy: #08162B; /* Body background */
  --primary-blue: #113B7A; /* Main brand color */
  --secondary-blue: #1D5FD1; /* Auxiliary color */
  --glow: #4FA8FF;
  --gold: #F2C14E;
  --divider: #1B3357;

  /* Custom Colors for this page */
  --button-gradient: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
  --card-bg: #10233F;
  --text-main: #F3F8FF; /* Light text on dark backgrounds */
  --text-secondary: #AFC4E8; /* Lighter secondary text */
  --border-color: #244D84;
}

/* Base styles for the page, ensuring contrast with body background */
.page-tin-tuc {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-main); /* All main text is light */
  background-color: var(--color-deep-navy); /* From shared.css, ensuring consistent background */
}

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

/* Hero Section */
.page-tin-tuc__hero-section {
  display: flex;
  flex-direction: column; /* Image above content in DOM */
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 10px; /* Small top padding, relying on body padding-top for header offset */
  padding-bottom: 40px;
  background-color: var(--color-deep-navy);
}

.page-tin-tuc__hero-image {
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  margin-bottom: 20px; /* Space between image and text */
}

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

.page-tin-tuc__hero-content {
  max-width: 800px;
  padding: 0 15px;
}

.page-tin-tuc__main-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem); /* Using clamp for responsive H1 */
  font-weight: 700;
  color: var(--gold); /* Gold color for main title */
  margin-bottom: 15px;
  line-height: 1.2;
}

.page-tin-tuc__description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 30px;
}

.page-tin-tuc__hero-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap; /* Ensure buttons wrap on small screens */
}

/* General Buttons */
.page-tin-tuc__btn-primary,
.page-tin-tuc__btn-secondary {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  white-space: normal; /* Allow text wrapping */
  word-wrap: break-word; /* Allow text wrapping */
  box-sizing: border-box;
  max-width: 100%; /* Ensure buttons don't overflow */
}

.page-tin-tuc__btn-primary {
  background: var(--button-gradient); /* Custom button gradient */
  color: var(--text-main); /* White text on dark button */
  border: none;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-tin-tuc__btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-tin-tuc__btn-secondary {
  background: transparent;
  color: var(--glow); /* Glow color for secondary button text */
  border: 2px solid var(--glow); /* Glow color border */
}

.page-tin-tuc__btn-secondary:hover {
  background: var(--glow);
  color: var(--color-deep-navy); /* Dark text on glow background */
  transform: translateY(-2px);
}

/* Section Titles */
.page-tin-tuc__section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--gold);
  text-align: center;
  margin-bottom: 40px;
  margin-top: 60px;
}

/* Introduction Section */
.page-tin-tuc__introduction-section p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 15px;
  text-align: justify;
}

/* Latest News Section */
.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: var(--card-bg); /* Dark card background */
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
  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 10px 30px rgba(0, 0, 0, 0.4);
}

.page-tin-tuc__news-card-link {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.page-tin-tuc__news-card-image {
  width: 100%;
  height: 200px; /* Fixed height for consistency */
  overflow: hidden;
}

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

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

.page-tin-tuc__news-card-title {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 10px;
  line-height: 1.3;
}

.page-tin-tuc__news-card-date {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 15px;
}

.page-tin-tuc__news-card-excerpt {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 15px;
  flex-grow: 1; /* Allow excerpt to take available space */
}

.page-tin-tuc__read-more-link {
  display: inline-block;
  color: var(--glow);
  text-decoration: none;
  font-weight: 600;
  margin-top: auto; /* Push to bottom */
}

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

.page-tin-tuc__view-all-button-container {
  text-align: center;
  margin-top: 30px;
}

/* Promotions Section */
.page-tin-tuc__promotions-section p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 15px;
  text-align: justify;
}