.page-doi-tac {
  font-family: Arial, sans-serif;
  color: #333333; /* Default text color for light background */
  line-height: 1.6;
  padding-bottom: 40px; /* General padding for the bottom of the main content */
}

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

.page-doi-tac__section-title {
  font-size: 2.5em;
  font-weight: bold;
  color: #26A9E0; /* Brand color for titles */
  text-align: center;
  margin-bottom: 40px;
  padding-top: 60px;
}

.page-doi-tac__text-block {
  font-size: 1.1em;
  margin-bottom: 20px;
  text-align: justify;
}

/* Hero Section */
.page-doi-tac__hero-section {
  position: relative;
  padding-top: 10px; /* Small top padding as body handles header offset */
  padding-bottom: 60px;
  background-color: #f0f8ff; /* Light background for hero */
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.page-doi-tac__hero-image-wrapper {
  width: 100%;
  max-height: 675px; /* Limit height to maintain aspect ratio */
  overflow: hidden;
  margin-bottom: 30px;
}

.page-doi-tac__hero-image-wrapper img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-doi-tac__hero-content {
  max-width: 800px;
  padding: 0 20px;
  z-index: 1; /* Ensure content is above any subtle background effects */
}

.page-doi-tac__main-title {
  font-size: clamp(2.5em, 5vw, 3.5em); /* Responsive font size */
  font-weight: 700;
  color: #26A9E0;
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-doi-tac__hero-description {
  font-size: 1.2em;
  color: #555555;
  margin-bottom: 30px;
}

/* Buttons */
.page-doi-tac__btn-primary,
.page-doi-tac__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-doi-tac__btn-primary {
  background-color: #26A9E0;
  color: #ffffff;
  border: 2px solid #26A9E0;
}

.page-doi-tac__btn-primary:hover {
  background-color: #1a8cc7;
  border-color: #1a8cc7;
}

.page-doi-tac__btn-secondary {
  background-color: #ffffff;
  color: #26A9E0;
  border: 2px solid #26A9E0;
}

.page-doi-tac__btn-secondary:hover {
  background-color: #e0f2f7;
  color: #1a8cc7;
  border-color: #1a8cc7;
}

.page-doi-tac__cta-button {
  margin-top: 30px;
  min-width: 250px;
}

/* Introduction Section */
.page-doi-tac__introduction-section {
  padding: 80px 0;
  background-color: #ffffff;
}

.page-doi-tac__image-content {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 40px auto;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

/* Why Partner Section */
.page-doi-tac__why-partner-section {
  padding: 80px 0;
  background-color: #26A9E0; /* Brand color background */
  color: #ffffff; /* White text for contrast */
}

.page-doi-tac__why-partner-section .page-doi-tac__section-title {
  color: #ffffff; /* White title */
}

.page-doi-tac__why-partner-section .page-doi-tac__text-block {
  color: #f0f0f0; /* Slightly off-white for body text */
}

.page-doi-tac__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-doi-tac__feature-card {
  background-color: rgba(255, 255, 255, 0.1); /* Semi-transparent white */
  padding: 30px;
  border-radius: 10px;
  text-align: left;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.page-doi-tac__feature-card .page-doi-tac__card-title {
  font-size: 1.5em;
  color: #ffffff;
  margin-bottom: 15px;
  font-weight: bold;
}

.page-doi-tac__feature-card .page-doi-tac__card-description {
  font-size: 1em;
  color: #f0f0f0;
  flex-grow: 1;
}

/* Programs Section */
.page-doi-tac__programs-section {
  padding: 80px 0;
  background-color: #ffffff;
}

.page-doi-tac__program-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-doi-tac__program-card {
  background-color: #f8f8f8;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
}