.page-khuyen-mai {
  font-family: 'Arial', sans-serif;
  color: #1F2D3D;
  line-height: 1.6;
}

.page-khuyen-mai__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  box-sizing: border-box;
}

.page-khuyen-mai__background {
  background-color: #F4F7FB;
}

.page-khuyen-mai__light-bg {
  background-color: #FFFFFF;
  color: #1F2D3D;
}

.page-khuyen-mai__dark-bg {
  background-color: #2F6BFF;
  color: #FFFFFF;
}

.page-khuyen-mai__section-title {
  font-size: 2.5em;
  font-weight: bold;
  text-align: center;
  margin-bottom: 40px;
  color: #1F2D3D;
  line-height: 1.2;
}

.page-khuyen-mai__dark-bg .page-khuyen-mai__section-title {
  color: #FFFFFF;
}

.page-khuyen-mai__hero-section {
  position: relative;
  padding-top: 10px; /* Small top padding for non-homepage */
  margin-bottom: 40px;
  overflow: hidden;
}

.page-khuyen-mai__hero-slider {
  position: relative;
  width: 100%;
  height: 600px; /* Fixed height for desktop */
  overflow: hidden;
}

.page-khuyen-mai__hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.8s ease-in-out;
}

.page-khuyen-mai__hero-slide.is-active {
  opacity: 1;
}

.page-khuyen-mai__hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-khuyen-mai__hero-slider-prev,
.page-khuyen-mai__hero-slider-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: rgba(0, 0, 0, 0.5);
  color: #fff;
  border: none;
  padding: 15px 10px;
  cursor: pointer;
  z-index: 10;
  font-size: 1.5em;
  border-radius: 5px;
}

.page-khuyen-mai__hero-slider-prev {
  left: 20px;
}

.page-khuyen-mai__hero-slider-next {
  right: 20px;
}

.page-khuyen-mai__hero-slider-prev::before {
  content: '\276E'; /* Left arrow */
}

.page-khuyen-mai__hero-slider-next::before {
  content: '\276F'; /* Right arrow */
}

.page-khuyen-mai__hero-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  padding: 40px;
  border-radius: 10px;
  max-width: 800px;
  z-index: 5; /* Ensure content is above image */
  background-color: rgba(47, 107, 255, 0.8); /* Semi-transparent brand color */
  color: #FFFFFF;
}

.page-khuyen-mai__main-title {
  font-size: clamp(2em, 4vw, 3.5em); /* Responsive H1 font size */
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.2;
  color: #FFFFFF;
}

.page-khuyen-mai__description {
  font-size: 1.2em;
  margin-bottom: 30px;
  color: #F0F0F0;
}

.page-khuyen-mai__cta-button {
  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;
  background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
  color: #FFFFFF;
  border: none;
  cursor: pointer;
}

.page-khuyen-mai__cta-button:hover {
  filter: brightness(1.1);
}

.page-khuyen-mai__cta-button--centered {
    display: block;
    margin: 40px auto 0 auto;
}

.page-khuyen-mai__intro-section {
  padding: 60px 0;
  text-align: center;
}

.page-khuyen-mai__promotions-list {
  padding: 60px 0;
}

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

.page-khuyen-mai__promotion-card {
  background-color: #FFFFFF;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 1px solid #D6E2FF;
}

.page-khuyen-mai__card-image {
  width: 100%;
  height: 250px; /* Fixed height for card images */
  object-fit: cover;
  display: block;
}

.page-khuyen-mai__card-content {
  padding: 25px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-khuyen-mai__card-title {
  font-size: 1.5em;
  font-weight: bold;
  margin-bottom: 15px;
  color: #1F2D3D;
}

.page-khuyen-mai__promotion-card p {
  margin-bottom: 20px;
  color: #1F2D3D;
}

.page-khuyen-mai__btn-primary,
.page-khuyen-mai__btn-secondary {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1em;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

.page-khuyen-mai__btn-primary {
  background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
  color: #FFFFFF;
  border: none;
}

.page-khuyen-mai__btn-primary:hover {
  filter: brightness(1.1);
}

.page-khuyen-mai__btn-secondary {
  background-color: #FFFFFF;
  color: #2F6BFF;
  border: 2px solid #2F6BFF;
}

.page-khuyen-mai__btn-secondary:hover {
  background-color: #2F6BFF;
  color: #FFFFFF;
}

.page-khuyen-mai__btn-read-more {
    display: inline-block;
    margin-top: 20px;
}

.page-khuyen-mai__how-to-claim {
  padding: 60px 0;
  text-align: center;
}

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

.page-khuyen-mai__step-item {
  background-color: #FFFFFF;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  border: 1px solid #D6E2FF;
}

.page-khuyen-mai__step-image {
  width: 100%;
  height: 200px; /* Fixed height for step images */
  object-fit: contain;
  margin-bottom: 20px;
  display: block;
}

.page-khuyen-mai__step-title {
  font-size: 1.3em;
  font-weight: bold;
  margin-bottom: 15px;
  color: #1F2D3D;
}

.page-khuyen-mai__step-item p {
  color: #1F2D3D;
}

.page-khuyen-mai__terms-conditions {
  padding: 60px 0;
}

.page-khuyen-mai__text-block {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
  background-color: #FFFFFF;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  border: 1px solid #D6E2FF;
  color: #1F2D3D;
}

.page-khuyen-mai__text-block p {
    margin-bottom: 1em;
    color: #1F2D3D;
}

.page-khuyen-mai__why-choose {
  padding: 80px 0;
  text-align: center;
}

.page-khuyen-mai__feature-list {
  list-style: none;
  padding: 0;
  margin: 40px auto 50px auto;
  max-width: 800px;
  text-align: left;
  color: #FFFFFF;
}

.page-khuyen-mai__feature-list li {
  margin-bottom: 15px;
  font-size: 1.1em;
  position: relative;
  padding-left: 30px;
}

.page-khuyen-mai__feature-list li::before {
  content: '\2713'; /* Checkmark */
  color: #6FA3FF; /* Accent color for checkmark */
  position: absolute;
  left: 0;
  font-weight: bold;
  font-size: 1.2em;
}

.page-khuyen-mai__button-group {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-khuyen-mai__hero-slider {
    height: 500px;
  }

  .page-khuyen-mai__hero-content {
    max-width: 700px;
    padding: 30px;
  }

  .page-khuyen-mai__main-title {
    font-size: clamp(1.8em, 3.5vw, 3em);
  }

  .page-khuyen-mai__description {
    font-size: 1.1em;
  }

  .page-khuyen-mai__section-title {
    font-size: 2em;
  }

  .page-khuyen-mai__promotion-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }

  .page-khuyen-mai__card-image {
    height: 220px;
  }

  .page-khuyen-mai__steps {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }

  .page-khuyen-mai__step-image {
    height: 180px;
  }
}

@media (max-width: 768px) {
  .page-khuyen-mai {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-khuyen-mai__container {
    padding: 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-khuyen-mai__hero-section {
    padding-top: 10px !important;
    margin-bottom: 30px;
  }

  .page-khuyen-mai__hero-slider {
    height: 300px !important;
  }

  .page-khuyen-mai__hero-content {
    padding: 20px !important;
    max-width: 90% !important;
    width: 90% !important;
    top: 55% !important;
    transform: translate(-50%, -55%) !important;
  }

  .page-khuyen-mai__main-title {
    font-size: clamp(1.5em, 5vw, 2.5em) !important;
    margin-bottom: 15px !important;
  }

  .page-khuyen-mai__description {
    font-size: 1em !important;
    margin-bottom: 20px !important;
  }

  .page-khuyen-mai__cta-button {
    padding: 12px 20px !important;
    font-size: 1em !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-khuyen-mai__section-title {
    font-size: 1.8em !important;
    margin-bottom: 30px !important;
  }

  .page-khuyen-mai__promotions-list,
  .page-khuyen-mai__how-to-claim,
  .page-khuyen-mai__terms-conditions,
  .page-khuyen-mai__why-choose {
    padding: 40px 0 !important;
  }

  .page-khuyen-mai__promotion-grid {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }

  .page-khuyen-mai__promotion-card {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-khuyen-mai__card-image {
    height: 200px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-khuyen-mai__card-content {
    padding: 20px !important;
  }

  .page-khuyen-mai__card-title {
    font-size: 1.3em !important;
    margin-bottom: 10px !important;
  }

  .page-khuyen-mai__promotion-card p {
    font-size: 0.95em !important;
    margin-bottom: 15px !important;
  }

  .page-khuyen-mai__btn-primary,
  .page-khuyen-mai__btn-secondary {
    padding: 10px 15px !important;
    font-size: 0.95em !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-khuyen-mai__steps {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }

  .page-khuyen-mai__step-item {
    padding: 20px !important;
  }

  .page-khuyen-mai__step-image {
    height: 150px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-khuyen-mai__step-title {
    font-size: 1.2em !important;
  }

  .page-khuyen-mai__text-block {
    padding: 15px !important;
  }

  .page-khuyen-mai__feature-list {
    margin: 30px auto 40px auto !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-khuyen-mai__feature-list li {
    font-size: 1em !important;
    padding-left: 25px !important;
  }

  .page-khuyen-mai__button-group {
    flex-direction: column !important;
    gap: 15px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-khuyen-mai img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-khuyen-mai__hero-slider-prev,
  .page-khuyen-mai__hero-slider-next {
    padding: 10px 5px !important;
    font-size: 1.2em !important;
  }
  .page-khuyen-mai__hero-slider-prev { left: 10px !important; }
  .page-khuyen-mai__hero-slider-next { right: 10px !important; }
}