.page-khuyn-mi {
  font-family: 'Arial', sans-serif;
  color: #F0F0F0; /* Light text on dark background */
  background-color: #0A192F;
  line-height: 1.6;
}

.page-khuyn-mi a {
  color: #FFD700; /* Gold for links */
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-khuyn-mi a:hover {
  color: #FFEB3B; /* Lighter gold on hover */
  text-decoration: underline;
}

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

.page-khuyn-mi__hero {
  position: relative;
  height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background-color: #0A192F;
}

.page-khuyn-mi__hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  opacity: 0.6;
}

.page-khuyn-mi__hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(10, 25, 47, 0.8), rgba(255, 215, 0, 0.2));
  z-index: 2;
}

.page-khuyn-mi__hero-content {
  position: relative;
  z-index: 3;
  max-width: 800px;
  padding: 20px;
}

.page-khuyn-mi__main-title {
  font-size: 3.5em;
  color: #FFD700;
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  line-height: 1.2;
}

.page-khuyn-mi__hero-description {
  font-size: 1.2em;
  color: #E0E0E0;
  margin-bottom: 30px;
}

.page-khuyn-mi__section {
  padding: 60px 0;
}

.page-khuyn-mi__section--dark {
  background-color: #071321;
}

.page-khuyn-mi__section-title {
  font-size: 2.5em;
  color: #FFD700;
  text-align: center;
  margin-bottom: 40px;
  position: relative;
}

.page-khuyn-mi__section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -10px;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: #FFD700;
  border-radius: 2px;
}

.page-khuyn-mi__paragraph {
  font-size: 1.1em;
  text-align: center;
  margin-bottom: 40px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  color: #D0D0D0;
}

.page-khuyn-mi__button {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 1.1em;
  font-weight: bold;
  text-transform: uppercase;
  text-align: center;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}

.page-khuyn-mi__button--primary {
  background-color: #FFD700; /* Gold background */
  color: #0A192F; /* Dark text */
}

.page-khuyn-mi__button--primary:hover {
  background-color: #FFEB3B; /* Lighter gold */
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(255, 215, 0, 0.4);
}

.page-khuyn-mi__button--secondary {
  background-color: #0A192F; /* Dark blue background */
  color: #FFD700; /* Gold text */
  border: 2px solid #FFD700;
}

.page-khuyn-mi__button--secondary:hover {
  background-color: #FFD700; /* Gold background */
  color: #0A192F; /* Dark text */
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(255, 215, 0, 0.4);
}

.page-khuyn-mi__button--large {
  padding: 18px 35px;
  font-size: 1.3em;
}

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

.page-khuyn-mi__promo-card {
  background-color: #1A2B42; /* Slightly lighter dark blue */
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-khuyn-mi__promo-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.4);
}

.page-khuyn-mi__promo-card-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
}

.page-khuyn-mi__promo-card-title {
  font-size: 1.8em;
  color: #FFD700;
  margin-bottom: 15px;
}

.page-khuyn-mi__promo-card-description {
  font-size: 1em;
  color: #C0C0C0;
  margin-bottom: 25px;
  flex-grow: 1;
}

.page-khuyn-mi__promo-card .page-khuyn-mi__button {
  width: auto;
  margin-top: auto; /* Push button to bottom */
}

.page-khuyn-mi__steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-khuyn-mi__step-card {
  background-color: #1A2B42;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
}

.page-khuyn-mi__step-card-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
}

.page-khuyn-mi__step-card-title {
  font-size: 1.8em;
  color: #FFD700;
  margin-bottom: 20px;
  text-align: center;
}

.page-khuyn-mi__list {
  list-style: none;
  padding-left: 0;
  margin-bottom: 25px;
  flex-grow: 1;
}

.page-khuyn-mi__list-item {
  position: relative;
  padding-left: 30px;
  margin-bottom: 15px;
  color: #D0D0D0;
  line-height: 1.5;
}

.page-khuyn-mi__list-item::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #FFD700;
  font-weight: bold;
  font-size: 1.2em;
  top: 0;
}

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

.page-khuyn-mi__feature-card {
  background-color: #1A2B42;
  border-radius: 12px;
  padding: 25px;
  text-align: center;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease;
}

.page-khuyn-mi__feature-card:hover {
  transform: translateY(-5px);
}

.page-khuyn-mi__feature-card-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 15px;
}

.page-khuyn-mi__feature-card-title {
  font-size: 1.5em;
  color: #FFD700;
  margin-bottom: 10px;
}

.page-khuyn-mi__feature-card-description {
  font-size: 0.95em;
  color: #C0C0C0;
}

.page-khuyn-mi__faq {
  background-color: #071321;
  padding-bottom: 80px;
}

.page-khuyn-mi__faq-item {
  background-color: #1A2B42;
  border-radius: 8px;
  margin-bottom: 20px;
  padding: 25px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-khuyn-mi__faq-question {
  font-size: 1.3em;
  color: #FFD700;
  margin-bottom: 10px;
  cursor: pointer;
  position: relative;
  padding-right: 30px;
}

.page-khuyn-mi__faq-question::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5em;
  line-height: 1;
  transition: transform 0.3s ease;
}

.page-khuyn-mi__faq-question.active::after {
  content: '-';
  transform: translateY(-50%) rotate(180deg);
}

.page-khuyn-mi__faq-answer {
  font-size: 1em;
  color: #D0D0D0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease-out, padding 0.5s ease-out;
  padding-top: 0;
}

.page-khuyn-mi__faq-answer.active {
  max-height: 200px; /* Adjust as needed */
  padding-top: 15px;
}

.page-khuyn-mi__cta {
  text-align: center;
  padding-top: 80px;
  padding-bottom: 80px;
  background: linear-gradient(135deg, #0A192F, #1A2B42);
}

/* Responsive adjustments */
@media (max-width: 992px) {
  .page-khuyn-mi__main-title {
    font-size: 2.8em;
  }
  .page-khuyn-mi__section-title {
    font-size: 2em;
  }
  .page-khuyn-mi__hero {
    height: 400px;
  }
  .page-khuyn-mi__promo-grid,
  .page-khuyn-mi__steps-grid,
  .page-khuyn-mi__features-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

@media (max-width: 768px) {
  .page-khuyn-mi__main-title {
    font-size: 2.2em;
  }
  .page-khuyn-mi__section-title {
    font-size: 1.8em;
  }
  .page-khuyn-mi__hero-description,
  .page-khuyn-mi__paragraph {
    font-size: 1em;
  }
  .page-khuyn-mi__hero {
    height: 350px;
  }
  .page-khuyn-mi__button {
    padding: 12px 25px;
    font-size: 1em;
  }
  .page-khuyn-mi__button--large {
    padding: 15px 30px;
    font-size: 1.1em;
  }
  .page-khuyn-mi__promo-card,
  .page-khuyn-mi__step-card,
  .page-khuyn-mi__feature-card {
    padding: 20px;
  }
  .page-khuyn-mi__promo-card-image,
  .page-khuyn-mi__step-card-image,
  .page-khuyn-mi__feature-card-image {
    height: 180px;
  }
  .page-khuyn-mi__promo-card-title,
  .page-khuyn-mi__step-card-title {
    font-size: 1.5em;
  }
  .page-khuyn-mi__faq-question {
    font-size: 1.1em;
  }
  .page-khuyn-mi__faq-answer {
    font-size: 0.9em;
  }
}

@media (max-width: 480px) {
  .page-khuyn-mi__main-title {
    font-size: 1.8em;
  }
  .page-khuyn-mi__hero {
    height: 300px;
  }
  .page-khuyn-mi__section-title {
    font-size: 1.5em;
  }
  .page-khuyn-mi__promo-grid,
  .page-khuyn-mi__steps-grid,
  .page-khuyn-mi__features-grid {
    grid-template-columns: 1fr;
  }
  .page-khuyn-mi__promo-card-image,
  .page-khuyn-mi__step-card-image,
  .page-khuyn-mi__feature-card-image {
    height: 150px;
  }
  .page-khuyn-mi__section {
    padding: 40px 0;
  }
  .page-khuyn-mi__container {
    padding: 0 15px;
  }
}