.page-khuyen-mai {
  font-family: 'Arial', sans-serif;
  color: #FFF1E8; /* Default text color for the page, suitable for dark background */
  background-color: #140C0C; /* Overall background color */
}

.page-khuyen-mai__hero-section {
  position: relative;
  padding-top: 10px; /* Small top padding, body handles header offset */
  margin-bottom: 40px;
  overflow: hidden;
  border-radius: 0 0 15px 15px;
  background: linear-gradient(180deg, rgba(198, 31, 31, 0.8) 0%, rgba(229, 48, 48, 0.8) 100%);
}

.page-khuyen-mai__hero-image {
  width: 100%;
  height: 500px;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.page-khuyen-mai__hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover; /* Cover for desktop */
  display: block;
  filter: brightness(0.7); /* Slightly darken image for better text contrast */
}

.page-khuyen-mai__hero-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  z-index: 1;
  max-width: 900px;
  width: 90%;
  padding: 20px;
  background: rgba(0, 0, 0, 0.4); /* Semi-transparent background for text block */
  border-radius: 10px;
}

.page-khuyen-mai__main-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  color: #FFF1E8;
  line-height: 1.2;
  margin-bottom: 15px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-khuyen-mai__hero-description {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: #FFF1E8;
  margin-bottom: 30px;
  line-height: 1.6;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

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

.page-khuyen-mai__btn-primary,
.page-khuyen-mai__btn-secondary,
.page-khuyen-mai__btn-small {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 30px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  white-space: normal; /* Allow text wrapping */
  word-wrap: break-word; /* Allow text wrapping */
  box-sizing: border-box;
  max-width: 100%;
}

.page-khuyen-mai__btn-primary {
  background: linear-gradient(180deg, #FFB04A 0%, #D86A14 100%);
  color: #FFF1E8;
  border: none;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-khuyen-mai__btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.page-khuyen-mai__btn-secondary {
  background: #2A1212;
  color: #FFF1E8;
  border: 2px solid #6A1E1E;
}

.page-khuyen-mai__btn-secondary:hover {
  background: #3a1e1e;
  border-color: #7E0D0D;
}

.page-khuyen-mai__btn-small {
  padding: 10px 20px;
  font-size: 0.9rem;
  background: linear-gradient(180deg, #FFB04A 0%, #D86A14 100%);
  color: #FFF1E8;
  border: none;
  border-radius: 5px;
}

.page-khuyen-mai__btn-small:hover {
  opacity: 0.9;
}

.page-khuyen-mai__section {
  padding: 60px 0;
  margin-bottom: 30px;
  border-radius: 15px;
  overflow: hidden;
}

.page-khuyen-mai__section--dark-bg {
  background-color: #2A1212;
}

.page-khuyen-mai__section--cta {
  text-align: center;
}

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

.page-khuyen-mai__section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: #F3C54D; /* Gold color for titles */
  text-align: center;
  margin-bottom: 20px;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

.page-khuyen-mai__section-intro {
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  color: #FFF1E8;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.page-khuyen-mai__promo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.page-khuyen-mai__promo-card {
  background-color: #140C0C;
  border: 1px solid #6A1E1E;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  color: #FFF1E8;
}

.page-khuyen-mai__promo-card img {
  width: 100%;
  height: 200px; /* Fixed height for consistency */
  object-fit: cover;
  display: block;
  min-width: 200px;
  min-height: 200px;
}

.page-khuyen-mai__promo-card .page-khuyen-mai__card-title {
  font-size: 1.4rem;
  font-weight: 600;
  color: #F3C54D;
  margin: 20px 20px 10px;
  line-height: 1.4;
}

.page-khuyen-mai__promo-card .page-khuyen-mai__card-description {
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0 20px 20px;
  flex-grow: 1;
}

.page-khuyen-mai__promo-card .page-khuyen-mai__btn-small {
  align-self: flex-start;
  margin: 0 20px 20px;
}

.page-khuyen-mai__steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-khuyen-mai__step-item {
  background-color: #2A1212;
  border: 1px solid #6A1E1E;
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.page-khuyen-mai__step-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(180deg, #FFB04A 0%, #D86A14 100%);
  color: #140C0C;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 2rem;
  font-weight: 700;
  margin: 0 auto 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.page-khuyen-mai__step-title {
  font-size: 1.3rem;
  font-weight: 600;
  color: #F3C54D;
  margin-bottom: 10px;
}

.page-khuyen-mai__step-description {
  font-size: 0.9rem;
  color: #FFF1E8;
  line-height: 1.6;
}

.page-khuyen-mai__center-cta {
  text-align: center;
  margin-top: 50px;
}

.page-khuyen-mai__article-body {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 0;
  color: #FFF1E8;
  line-height: 1.7;
  font-size: 1rem;
}

.page-khuyen-mai__article-body h3 {
  font-size: 1.6rem;
  color: #F3C54D;
  margin-top: 35px;
  margin-bottom: 15px;
  font-weight: 600;
}

.page-khuyen-mai__article-body p {
  margin-bottom: 15px;
}

.page-khuyen-mai__list {
  list-style: disc inside;
  margin-left: 20px;
  margin-bottom: 15px;
}

.page-khuyen-mai__list li {
  margin-bottom: 8px;
  line-height: 1.6;
}

.page-khuyen-mai__article-figure {
  width: 100%;
  height: auto;
  display: block;
  margin: 30px auto;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  min-width: 200px;
  min-height: 200px;
}

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

.page-khuyen-mai__benefits-list li {
  background-color: #2A1212;
  border: 1px solid #6A1E1E;
  border-radius: 10px;
  padding: 25px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.page-khuyen-mai__benefit-title {
  font-size: 1.3rem;
  font-weight: 600;
  color: #F3C54D;
  margin-bottom: 10px;
}

.page-khuyen-mai__benefits-list p {
  font-size: 0.9rem;
  color: #FFF1E8;
  line-height: 1.6;
}

.page-khuyen-mai__faq-list {
  max-width: 900px;
  margin: 40px auto 0;
}

details.page-khuyen-mai__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid #6A1E1E;
  overflow: hidden;
  background: #140C0C;
}
details.page-khuyen-mai__faq-item summary.page-khuyen-mai__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
  color: #F3C54D;
  font-weight: 600;
}
details.page-khuyen-mai__faq-item summary.page-khuyen-mai__faq-question::-webkit-details-marker {
  display: none;
}
details.page-khuyen-mai__faq-item summary.page-khuyen-mai__faq-question:hover {
  background: #2A1212;
}
.page-khuyen-mai__faq-qtext {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
}
.page-khuyen-mai__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #F3C54D;
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}
details.page-khuyen-mai__faq-item .page-khuyen-mai__faq-answer {
  padding: 0 20px 20px;
  background: #2A1212;
  border-radius: 0 0 5px 5px;
  color: #FFF1E8;
  line-height: 1.6;
}

/* General image responsiveness */
.page-khuyen-mai img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Media Queries */
@media (max-width: 1024px) {
  .page-khuyen-mai__hero-image {
    height: 450px;
  }
  .page-khuyen-mai__main-title {
    font-size: clamp(2rem, 4.5vw, 3rem);
  }
  .page-khuyen-mai__section-title {
    font-size: clamp(1.6rem, 3vw, 2.5rem);
  }
  .page-khuyen-mai__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }
  .page-khuyen-mai__btn-primary,
  .page-khuyen-mai__btn-secondary {
    width: 80%;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .page-khuyen-mai__hero-section {
    padding-top: 10px; /* Consistent small top padding */
    margin-bottom: 30px;
  }
  .page-khuyen-mai__hero-image {
    height: 300px;
  }
  .page-khuyen-mai__hero-image img {
    object-fit: contain !important; /* Mobile: contain to prevent cropping */
    aspect-ratio: unset !important;
  }
  .page-khuyen-mai__hero-content {
    position: static; /* Remove absolute positioning for mobile */
    transform: none; /* Remove transform for mobile */
    width: 100%;
    padding: 15px;
    margin-top: -80px; /* Adjust to pull content up over hero image */
    background: rgba(0, 0, 0, 0.7); /* Slightly darker background for text readability */
    border-radius: 0; /* Remove border-radius */
  }
  .page-khuyen-mai__main-title {
    font-size: clamp(1.8rem, 8vw, 2.5rem);
    margin-bottom: 10px;
  }
  .page-khuyen-mai__hero-description {
    font-size: clamp(0.9rem, 2.5vw, 1.1rem);
    margin-bottom: 20px;
  }
  .page-khuyen-mai__cta-buttons {
    flex-direction: column;
    gap: 15px;
    width: 100% !important; /* Ensure container is full width */
    max-width: 100% !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-khuyen-mai__btn-primary,
  .page-khuyen-mai__btn-secondary,
  .page-khuyen-mai__btn-small {
    max-width: 100% !important;
    width: 100% !important;
    padding: 12px 20px;
    font-size: 1rem;
  }

  .page-khuyen-mai__section {
    padding: 40px 0;
    margin-bottom: 20px;
  }
  .page-khuyen-mai__container {
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-khuyen-mai__section-title {
    font-size: clamp(1.5rem, 6vw, 2.2rem);
    margin-bottom: 15px;
  }
  .page-khuyen-mai__section-intro {
    font-size: 0.9rem;
    margin-bottom: 30px;
  }

  .page-khuyen-mai__promo-grid,
  .page-khuyen-mai__steps-grid,
  .page-khuyen-mai__benefits-list {
    grid-template-columns: 1fr; /* Single column for mobile */
    gap: 20px;
  }
  .page-khuyen-mai__promo-card img {
    
    min-width: 200px !important;
    min-height: 200px !important;
  }
  .page-khuyen-mai__promo-card .page-khuyen-mai__card-title {
    font-size: 1.2rem;
    margin: 15px 15px 8px;
  }
  .page-khuyen-mai__promo-card .page-khuyen-mai__card-description {
    font-size: 0.85rem;
    margin: 0 15px 15px;
  }
  .page-khuyen-mai__promo-card .page-khuyen-mai__btn-small {
    margin: 0 15px 15px;
  }

  .page-khuyen-mai__step-item {
    padding: 20px;
  }
  .page-khuyen-mai__step-icon {
    width: 50px;
    height: 50px;
    font-size: 1.8rem;
    margin-bottom: 15px;
  }
  .page-khuyen-mai__step-title {
    font-size: 1.1rem;
  }
  .page-khuyen-mai__step-description {
    font-size: 0.85rem;
  }
  .page-khuyen-mai__center-cta {
    margin-top: 30px;
  }

  .page-khuyen-mai__article-body {
    padding: 15px 0;
    font-size: 0.9rem;
  }
  .page-khuyen-mai__article-body h3 {
    font-size: 1.4rem;
    margin-top: 25px;
    margin-bottom: 10px;
  }
  .page-khuyen-mai__list {
    margin-left: 15px;
  }
  .page-khuyen-mai__article-figure {
    margin: 20px auto;
    min-width: 200px !important;
    min-height: 200px !important;
  }

  details.page-khuyen-mai__faq-item summary.page-khuyen-mai__faq-question {
    padding: 15px;
  }
  .page-khuyen-mai__faq-qtext {
    font-size: 15px;
  }
  .page-khuyen-mai__faq-toggle {
    font-size: 20px;
    width: 24px;
    margin-left: 10px;
  }
  details.page-khuyen-mai__faq-item .page-khuyen-mai__faq-answer {
    padding: 0 15px 15px;
    font-size: 0.9rem;
  }

  /* General image and container overrides for mobile */
  .page-khuyen-mai img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    box-sizing: border-box !important;
  }
  .page-khuyen-mai__section,
  .page-khuyen-mai__card,
  .page-khuyen-mai__container,
  .page-khuyen-mai__promo-card,
  .page-khuyen-mai__step-item,
  .page-khuyen-mai__benefits-list li,
  .page-khuyen-mai__article-body {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
}

/* Ensure color contrast for dark background */
.page-khuyen-mai {
  color: #FFF1E8;
}
.page-khuyen-mai h1, .page-khuyen-mai h2, .page-khuyen-mai h3, .page-khuyen-mai h4, .page-khuyen-mai h5, .page-khuyen-mai h6 {
  color: #F3C54D;
}
.page-khuyen-mai a {
  color: #FFB04A;
}
.page-khuyen-mai a:hover {
  color: #D86A14;
}

/* Specific dark background elements */
.page-khuyen-mai__section--dark-bg {
  background-color: #2A1212;
  color: #FFF1E8;
}

.page-khuyen-mai__promo-card {
  background-color: #140C0C;
  color: #FFF1E8;
}

.page-khuyen-mai__step-item {
  background-color: #2A1212;
  color: #FFF1E8;
}

.page-khuyen-mai__benefits-list li {
  background-color: #2A1212;
  color: #FFF1E8;
}

details.page-khuyen-mai__faq-item {
  background: #140C0C;
  color: #FFF1E8;
}
details.page-khuyen-mai__faq-item .page-khuyen-mai__faq-answer {
  background: #2A1212;
  color: #FFF1E8;
}