.page-khuyen-mai {
  --primary-color: #C91F17;
  --secondary-color: #E53935;
  --text-main-color: #FFF5E1;
  --background-color: #B71C1C;
  --card-bg-color: #D32F2F;
  --button-gradient: linear-gradient(180deg, #FFD86A 0%, #E6B800 100%);
  --border-color: #F2B544;
  --glow-color: #FFCC66;
  --gold-color: #F4D34D;
  --deep-red-color: #7A0E0E;

  background-color: var(--background-color);
  color: var(--text-main-color);
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

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

.page-khuyen-mai__hero-section {
  position: relative;
  padding-top: 10px; /* Small top padding, body handles header offset */
  color: #ffffff;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  min-height: 500px;
}

.page-khuyen-mai__hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  background-color: rgba(0, 0, 0, 0.4);
}

.page-khuyen-mai__hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: brightness(0.7); /* Slightly dim the image for text readability */
}

.page-khuyen-mai__hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 20px;
  background-color: rgba(0, 0, 0, 0.4); /* Semi-transparent background for text block */
  border-radius: 10px;
  margin-top: 50px;
  margin-bottom: 50px;
}

.page-khuyen-mai__main-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: bold;
  color: var(--gold-color);
  margin-bottom: 15px;
  line-height: 1.2;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-khuyen-mai__hero-description {
  font-size: clamp(1rem, 2vw, 1.25rem);
  margin-bottom: 30px;
  color: var(--text-main-color);
}

.page-khuyen-mai__cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-khuyen-mai__btn-primary,
.page-khuyen-mai__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1rem;
  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: var(--button-gradient);
  color: #333333; /* Dark text for contrast on gold gradient */
  border: 2px solid var(--border-color);
  box-shadow: 0 4px 15px rgba(255, 204, 102, 0.4);
}

.page-khuyen-mai__btn-primary:hover {
  background: linear-gradient(180deg, #E6B800 0%, #FFD86A 100%);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(255, 204, 102, 0.6);
}

.page-khuyen-mai__btn-secondary {
  background: var(--deep-red-color);
  color: var(--text-main-color);
  border: 2px solid var(--border-color);
  box-shadow: 0 4px 15px rgba(122, 14, 14, 0.4);
}

.page-khuyen-mai__btn-secondary:hover {
  background: var(--primary-color);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(122, 14, 14, 0.6);
}

.page-khuyen-mai__btn-inline {
  margin-top: 20px;
}

.page-khuyen-mai__content-area {
  padding: 50px 0;
  background-color: var(--background-color);
  color: var(--text-main-color);
}

.page-khuyen-mai__dark-section {
  background-color: var(--deep-red-color);
  color: var(--text-main-color);
}

.page-khuyen-mai__section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  color: var(--gold-color);
  text-align: center;
  margin-bottom: 40px;
  position: relative;
  padding-bottom: 15px;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.page-khuyen-mai__section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: var(--border-color);
  border-radius: 2px;
}

.page-khuyen-mai__sub-title {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  color: var(--gold-color);
  margin-top: 35px;
  margin-bottom: 20px;
  text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.2);
}

.page-khuyen-mai__text-block {
  font-size: 1.05rem;
  margin-bottom: 20px;
  line-height: 1.7;
  color: var(--text-main-color);
}

.page-khuyen-mai__list {
  list-style: none;
  padding: 0;
  margin-bottom: 20px;
}

.page-khuyen-mai__list-item {
  position: relative;
  padding-left: 25px;
  margin-bottom: 10px;
  font-size: 1.05rem;
  color: var(--text-main-color);
}

.page-khuyen-mai__list-item::before {
  content: '★'; /* Star bullet point */
  position: absolute;
  left: 0;
  color: var(--gold-color);
  font-weight: bold;
  font-size: 1.2em;
  line-height: 1;
}

.page-khuyen-mai__numbered-list {
  list-style-type: decimal;
  padding-left: 25px;
  margin-bottom: 20px;
}

.page-khuyen-mai__numbered-list .page-khuyen-mai__list-item {
  padding-left: 0;
}

.page-khuyen-mai__numbered-list .page-khuyen-mai__list-item::before {
  content: none;
}

.page-khuyen-mai__image-full-width {
  width: 100%;
  height: auto;
  display: block;
  margin: 30px 0;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.page-khuyen-mai__inline-link {
  color: var(--gold-color);
  text-decoration: underline;
  transition: color 0.3s ease;
}

.page-khuyen-mai__inline-link:hover {
  color: var(--border-color);
}

.page-khuyen-mai__cta-buttons--bottom {
  margin-top: 50px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.page-khuyen-mai__blog-section {
  padding: 60px 0;
  background-color: var(--deep-red-color);
}

.page-khuyen-mai__blog-slider {
  overflow: hidden;
  position: relative;
  margin-bottom: 30px;
}

.page-khuyen-mai__blog-slider-track {
  display: flex;
  gap: 20px;
  transition: transform 0.5s ease-in-out;
}

.page-khuyen-mai__blog-slide {
  flex: 0 0 calc(33.333% - 14px); /* 3 items per row with 20px gap */
  max-width: calc(33.333% - 14px);
  box-sizing: border-box;
}

.page-khuyen-mai__blog-card {
  background-color: var(--card-bg-color);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-khuyen-mai__blog-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.6);
}

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

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

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

.page-khuyen-mai__blog-card-content {
  padding: 20px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.page-khuyen-mai__blog-card-title {
  font-size: 1.25rem;
  color: var(--gold-color);
  margin-top: 0;
  margin-bottom: 10px;
  line-height: 1.4;
}

.page-khuyen-mai__blog-card-meta {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 15px;
}

.page-khuyen-mai__blog-card-excerpt {
  font-size: 1rem;
  color: var(--text-main-color);
  margin-bottom: 15px;
  flex-grow: 1;
}

.page-khuyen-mai__read-more {
  display: inline-block;
  color: var(--border-color);
  font-weight: bold;
  text-decoration: none;
}

.page-khuyen-mai__view-all-button-container {
  text-align: center;
  margin-top: 40px;
}

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

  .page-khuyen-mai__container {
    padding: 15px;
  }

  .page-khuyen-mai__hero-section {
    min-height: 400px;
    padding-top: 10px;
  }

  .page-khuyen-mai__hero-content {
    padding: 15px;
    margin-top: 20px;
    margin-bottom: 20px;
  }

  .page-khuyen-mai__main-title {
    font-size: 2rem;
  }

  .page-khuyen-mai__hero-description {
    font-size: 1rem;
  }

  .page-khuyen-mai__cta-buttons {
    flex-direction: column;
    gap: 10px;
    width: 100%;
    padding-left: 15px;
    padding-right: 15px;
    box-sizing: border-box;
  }

  .page-khuyen-mai__btn-primary,
  .page-khuyen-mai__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 0.95rem;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

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

  .page-khuyen-mai__sub-title {
    font-size: 1.4rem;
    margin-top: 25px;
    margin-bottom: 15px;
  }

  .page-khuyen-mai__text-block,
  .page-khuyen-mai__list-item {
    font-size: 1rem;
  }

  .page-khuyen-mai__image-full-width {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    margin: 20px 0;
  }

  .page-khuyen-mai__blog-slider-track {
    flex-wrap: wrap;
    justify-content: center;
  }

  .page-khuyen-mai__blog-slide {
    flex: 0 0 100% !important; /* Single column for mobile */
    max-width: 100% !important;
    padding: 0 15px; /* Add internal padding for slides */
    box-sizing: border-box;
  }

  .page-khuyen-mai__blog-card {
    margin-bottom: 20px;
  }

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

  .page-khuyen-mai__blog-card-title {
    font-size: 1.1rem;
  }

  .page-khuyen-mai__blog-card-excerpt {
    font-size: 0.95rem;
  }

  .page-khuyen-mai__view-all-button-container {
    padding: 0 15px;
    box-sizing: border-box;
  }

  /* General image and container rules for mobile */
  .page-khuyen-mai img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  
  .page-khuyen-mai__section,
  .page-khuyen-mai__card,
  .page-khuyen-mai__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* Ensure button containers also adapt */
  .page-khuyen-mai__cta-buttons,
  .page-khuyen-mai__button-group,
  .page-khuyen-mai__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important; /* Ensure multiple buttons wrap */
    gap: 10px;
  }
  .page-khuyen-mai__cta-buttons {
    flex-direction: column; /* Default vertical stack for CTA buttons on mobile */
  }
}