.page-khuyn-mi {
  font-family: 'Arial', sans-serif;
  color: #FFFFFF; /* Màu chữ chính, tương phản với nền tối */
  background-color: #0A2540; /* Màu nền chính */
  line-height: 1.6;
}

.page-khuyn-mi__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.page-khuyn-mi__hero {
  background: linear-gradient(135deg, #0A2540 0%, #3a5068 100%);
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-khuyn-mi__hero-title {
  font-size: 3.5em;
  color: #FFD700; /* Màu vàng phụ trợ cho tiêu đề chính */
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  font-weight: bold;
}

.page-khuyn-mi__hero-subtitle {
  font-size: 1.3em;
  color: #E0E0E0;
  max-width: 800px;
  margin: 0 auto 40px auto;
}

.page-khuyn-mi__btn {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: background-color 0.3s ease, transform 0.2s ease;
  border: none;
  cursor: pointer;
  text-align: center;
}

.page-khuyn-mi__btn--primary {
  background-color: #FFD700; /* Nút chính màu vàng */
  color: #0A2540;
}

.page-khuyn-mi__btn--primary:hover {
  background-color: #e0b800;
  transform: translateY(-2px);
}

.page-khuyn-mi__btn--secondary {
  background-color: transparent;
  color: #FFD700;
  border: 2px solid #FFD700;
  margin-left: 20px;
}

.page-khuyn-mi__btn--secondary:hover {
  background-color: #FFD700;
  color: #0A2540;
  transform: translateY(-2px);
}

.page-khuyn-mi__btn--tertiary {
  background-color: #1A3A5A;
  color: #E0E0E0;
  border: 1px solid #3A5A7A;
}

.page-khuyn-mi__btn--tertiary:hover {
  background-color: #2A4A6A;
  transform: translateY(-2px);
}

.page-khuyn-mi__btn--small {
  padding: 10px 20px;
  font-size: 0.9em;
  margin-top: 15px;
  margin-right: 10px;
}

.page-khuyn-mi__btn--large {
  padding: 18px 35px;
  font-size: 1.2em;
  margin: 20px 10px;
}

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

.page-khuyn-mi__section--intro {
  background-color: #0A2540;
}

.page-khuyn-mi__section--promotions {
  background-color: #102C4B;
}

.page-khuyn-mi__section--how-to {
  background-color: #0A2540;
}

.page-khuyn-mi__section--terms {
  background-color: #102C4B;
}

.page-khuyn-mi__section--responsible-gambling {
  background-color: #0A2540;
}

.page-khuyn-mi__section--cta {
  background: linear-gradient(135deg, #FFD700 0%, #e0b800 100%);
  color: #0A2540;
  padding: 80px 0;
}

.page-khuyn-mi__section--cta .page-khuyn-mi__section-title,
.page-khuyn-mi__section--cta .page-khuyn-mi__description {
  color: #0A2540;
}

.page-khuyn-mi__section-title {
  font-size: 2.8em;
  color: #FFD700;
  margin-bottom: 30px;
  font-weight: bold;
}

.page-khuyn-mi__description {
  font-size: 1.1em;
  color: #E0E0E0;
  max-width: 900px;
  margin: 0 auto 40px auto;
}

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

.page-khuyn-mi__feature-card {
  background-color: #1A3A5A;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  text-align: center;
  transition: transform 0.3s ease;
}

.page-khuyn-mi__feature-card:hover {
  transform: translateY(-10px);
}

.page-khuyn-mi__feature-icon {
  width: 70px;
  height: 70px;
  margin-bottom: 20px;
  /* Không sử dụng filter để thay đổi màu ảnh */
}

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

.page-khuyn-mi__promo-card {
  display: flex;
  flex-direction: row;
  background-color: #1A3A5A;
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  margin-bottom: 40px;
  overflow: hidden;
  text-align: left;
  transition: transform 0.3s ease;
}

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

.page-khuyn-mi__promo-image {
  width: 40%;
  height: auto;
  object-fit: cover;
  /* Không sử dụng filter để thay đổi màu ảnh */
}

.page-khuyn-mi__promo-content {
  width: 60%;
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.page-khuyn-mi__promo-content .page-khuyn-mi__card-title {
  font-size: 2.2em;
  margin-top: 0;
  margin-bottom: 15px;
}

.page-khuyn-mi__promo-content p {
  color: #E0E0E0;
  margin-bottom: 20px;
}

.page-khuyn-mi__promo-content ul {
  list-style: none;
  padding: 0;
  margin-bottom: 25px;
}

.page-khuyn-mi__promo-content ul li {
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="%23FFD700"><path d="M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z"/></svg>') no-repeat left center;
  background-size: 20px;
  padding-left: 30px;
  margin-bottom: 10px;
  color: #E0E0E0;
}

.page-khuyn-mi__steps {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-khuyn-mi__steps li {
  background-color: #1A3A5A;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  text-align: left;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-khuyn-mi__steps li:before {
  content: counter(step-counter);
  counter-increment: step-counter;
  background-color: #FFD700;
  color: #0A2540;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.5em;
  font-weight: bold;
  margin-bottom: 20px;
}

.page-khuyn-mi__step-title {
  font-size: 1.8em;
  color: #FFD700;
  margin-top: 0;
  margin-bottom: 15px;
}

.page-khuyn-mi__steps li p {
  color: #E0E0E0;
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-khuyn-mi__list {
  list-style: none;
  padding: 0;
  max-width: 800px;
  margin: 0 auto 40px auto;
  text-align: left;
}

.page-khuyn-mi__list li {
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="%23FFD700"><path d="M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z"/></svg>') no-repeat left center;
  background-size: 20px;
  padding-left: 30px;
  margin-bottom: 12px;
  font-size: 1.1em;
  color: #E0E0E0;
}

/* Responsive Design */
@media (max-width: 992px) {
  .page-khuyn-mi__hero-title {
    font-size: 2.8em;
  }

  .page-khuyn-mi__hero-subtitle {
    font-size: 1.1em;
  }

  .page-khuyn-mi__section-title {
    font-size: 2.2em;
  }

  .page-khuyn-mi__promo-card {
    flex-direction: column;
  }

  .page-khuyn-mi__promo-image,
  .page-khuyn-mi__promo-content {
    width: 100%;
  }

  .page-khuyn-mi__promo-content {
    padding: 20px;
  }
  .page-khuyn-mi__promo-content .page-khuyn-mi__card-title {
    font-size: 1.8em;
  }
}

@media (max-width: 768px) {
  .page-khuyn-mi__hero {
    padding: 80px 0;
  }

  .page-khuyn-mi__hero-title {
    font-size: 2.2em;
  }

  .page-khuyn-mi__hero-subtitle {
    font-size: 1em;
  }

  .page-khuyn-mi__btn {
    padding: 12px 25px;
    font-size: 1em;
  }

  .page-khuyn-mi__btn--secondary {
    margin-left: 0;
    margin-top: 15px;
  }

  .page-khuyn-mi__section {
    padding: 40px 0;
  }

  .page-khuyn-mi__section-title {
    font-size: 1.8em;
  }

  .page-khuyn-mi__description {
    font-size: 0.95em;
  }

  .page-khuyn-mi__grid,
  .page-khuyn-mi__steps {
    grid-template-columns: 1fr;
  }

  .page-khuyn-mi__feature-card,
  .page-khuyn-mi__steps li {
    padding: 25px;
  }

  .page-khuyn-mi__card-title {
    font-size: 1.6em;
  }
}

@media (max-width: 480px) {
  .page-khuyn-mi__hero {
    padding: 60px 0;
  }

  .page-khuyn-mi__hero-title {
    font-size: 1.8em;
  }

  .page-khuyn-mi__btn--large {
    padding: 15px 25px;
    font-size: 1.1em;
    margin: 10px 5px;
  }
}