/* Base Styles & Typography */
.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung {
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: #333333; /* Default text color for light body background */
  background-color: #F5F7FA; /* Body background from custom colors */
}

.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__section-title {
  font-size: 36px;
  font-weight: 700;
  color: #E53935;
  text-align: center;
  margin-bottom: 40px;
  position: relative;
  padding-bottom: 15px;
}

.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, #FF5A4F 0%, #E53935 100%);
  border-radius: 2px;
}

.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__sub-title {
  font-size: 24px;
  font-weight: 600;
  color: #E53935;
  margin-top: 30px;
  margin-bottom: 15px;
}

.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__article-body p,
.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__article-body ul,
.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__article-body ol {
  font-size: 17px;
  line-height: 1.8;
  margin-bottom: 15px;
  color: #333333;
}

.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__article-body ul,
.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__article-body ol {
  padding-left: 25px;
}

.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__article-body li {
  margin-bottom: 8px;
}

.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__article-figure {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 30px auto;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* Buttons */
.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__btn-primary,
.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 30px;
  font-size: 18px;
  font-weight: 700;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__btn-primary {
  background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%);
  color: #ffffff;
  border: 2px solid transparent;
}

.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__btn-primary:hover {
  background: linear-gradient(180deg, #E53935 0%, #FF5A4F 100%);
  box-shadow: 0 6px 20px rgba(229, 57, 53, 0.4);
}

.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__btn-secondary {
  background: #ffffff;
  color: #E53935;
  border: 2px solid #E53935;
}

.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__btn-secondary:hover {
  background: #E53935;
  color: #ffffff;
  border-color: #E53935;
  box-shadow: 0 6px 20px rgba(229, 57, 53, 0.2);
}

.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__btn-secondary--center {
  display: block;
  margin: 30px auto 0 auto;
  max-width: 300px;
}

/* Hero Section */
.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__hero-section {
  position: relative;
  padding-top: 10px; /* Small top padding, body handles --header-offset */
  margin-bottom: 50px;
  background-color: #f5f7fa;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__hero-image {
  width: 100%;
  max-height: 600px;
  overflow: hidden;
}

.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__hero-content {
  max-width: 900px;
  text-align: center;
  padding: 40px 20px;
  background-color: #ffffff;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  margin-top: -80px; /* Overlap with image slightly for visual appeal */
  position: relative;
  z-index: 10;
}

.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__main-title {
  font-size: 48px;
  color: #E53935;
  margin-bottom: 20px;
  line-height: 1.2;
  font-weight: 800;
}

.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__hero-description {
  font-size: 20px;
  color: #333333;
  margin-bottom: 30px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__hero-actions {
  display: flex;
  justify-content: center;
  gap: 20px;
}

/* Content Sections */
.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__content-section {
  padding: 60px 0;
  margin-bottom: 30px;
  border-radius: 12px;
}

.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__content-section:last-of-type {
  margin-bottom: 0;
}

.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__dark-bg {
  background-color: #E53935;
  color: #ffffff;
}

.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__dark-bg .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__section-title,
.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__dark-bg .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__sub-title {
  color: #ffffff;
}

.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__dark-bg .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__article-body p,
.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mãi-chi-tiet-khuyen-mai-chao-mung__dark-bg .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__article-body li {
  color: #f0f0f0;
}

.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__light-bg {
  background-color: #ffffff;
  color: #333333;
}

.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__article-body {
  max-width: 1000px;
  margin: 0 auto;
  background-color: #ffffff;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__dark-bg .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__article-body {
  background-color: rgba(255, 255, 255, 0.1);
  box-shadow: none;
}

.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__cta-section {
  background-color: #F5F7FA;
  padding: 80px 0;
  text-align: center;
}

.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__cta-description {
  font-size: 20px;
  color: #333333;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__cta-buttons--center {
  margin-top: 40px;
}

/* FAQ Section */
details.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid #e0e0e0;
  overflow: hidden;
  background: #fff;
}
details.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__faq-item summary.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__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;
}
details.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__faq-item summary.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__faq-question::-webkit-details-marker {
  display: none;
}
details.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__faq-item summary.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__faq-question:hover {
  background: #f5f5f5;
}
.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__faq-qtext {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: #333333;
}
.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #666;
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}
details.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__faq-item .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__faq-answer {
  padding: 0 20px 20px;
  background: #f9f9f9;
  border-radius: 0 0 5px 5px;
  color: #333333;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__main-title {
    font-size: 42px;
  }
  .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__hero-description {
    font-size: 18px;
  }
  .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__section-title {
    font-size: 32px;
  }
  .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__sub-title {
    font-size: 22px;
  }
  .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__article-body p,
  .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__article-body ul,
  .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__article-body ol {
    font-size: 16px;
  }
  .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__btn-primary,
  .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__btn-secondary {
    padding: 12px 25px;
    font-size: 16px;
  }
}

@media (max-width: 768px) {
  .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__hero-section {
    padding-top: 10px; /* Ensure small top padding, not header-offset */
    margin-bottom: 30px;
  }
  .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__hero-image img {
    object-fit: contain !important; /* Prevent cropping on mobile */
    aspect-ratio: unset !important; /* Allow natural aspect ratio */
    width: 100% !important;
    height: auto !important;
  }
  .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__hero-content {
    padding: 30px 15px;
    margin-top: -50px; /* Adjust overlap */
  }
  .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__main-title {
    font-size: clamp(30px, 8vw, 38px); /* Responsive font size */
    margin-bottom: 15px;
  }
  .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__hero-description {
    font-size: 16px;
    margin-bottom: 25px;
  }
  .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__hero-actions,
  .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__cta-buttons {
    flex-direction: column;
    gap: 15px;
    width: 100% !important;
    max-width: 100% !important;
    padding: 0 15px;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
  .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__btn-primary,
  .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__btn-secondary,
  .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung a[class*="button"],
  .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung a[class*="btn"] {
    max-width: 100% !important;
    width: 100% !important;
    font-size: 16px;
    padding: 12px 20px;
    white-space: normal !important;
    word-wrap: break-word !important;
    box-sizing: border-box !important;
  }
  .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__section-title {
    font-size: clamp(28px, 7vw, 30px);
    margin-bottom: 30px;
    padding: 0 15px 15px 15px;
  }
  .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__sub-title {
    font-size: clamp(20px, 5vw, 22px);
    margin-top: 25px;
    margin-bottom: 10px;
  }
  .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__content-section {
    padding: 40px 0;
  }
  .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__container {
    padding: 0 15px;
    width: 100% !important; /* Ensure container fills width */
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__article-body {
    padding: 20px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__article-body p,
  .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__article-body ul,
  .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__article-body ol {
    font-size: 15px;
  }
  .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__article-figure,
  .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    box-sizing: border-box !important;
  }
  details.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__faq-item summary.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__faq-question { padding: 15px; }
  .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__faq-qtext { font-size: 15px; }
  details.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__faq-item .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__faq-answer { padding: 0 15px 15px; }
  .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__cta-section {
    padding: 60px 0;
  }
  .page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__cta-description {
    font-size: 16px;
    padding: 0 15px;
  }
}

/* Ensure no horizontal scroll on any content block */
.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__content-section,
.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__hero-section,
.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__cta-section {
  overflow-x: hidden;
}

/* Contrast Fixes */
.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__contrast-fix {
  background: #ffffff !important;
  color: #333333 !important;
  border: 1px solid #e0e0e0 !important;
}

.page-khuyen-mai-chi-tiet-khuyen-mai-chao-mung__text-contrast-fix {
  color: #333333 !important;
  text-shadow: none !important;
}