/* Base Styles for .page-khuyen-mai */
.page-khuyen-mai {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #F3F8FF; /* Text Main */
  background-color: var(--color-deep-navy); /* From shared.css, dark background */
}

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

/* Hero Section */
.page-khuyen-mai__hero-section {
  padding-top: 10px; /* Small top padding, assuming body has padding-top from shared.css */
  background-color: var(--color-deep-navy);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-bottom: 40px;
}

.page-khuyen-mai__hero-image-wrapper {
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  box-sizing: border-box;
}

.page-khuyen-mai__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  max-height: 600px;
}

.page-khuyen-mai__hero-content {
  padding: 20px;
  max-width: 900px;
  margin-top: 20px;
}

.page-khuyen-mai__main-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 700;
  color: #F2C14E; /* Gold */
  margin-bottom: 15px;
  line-height: 1.2;
}

.page-khuyen-mai__hero-description {
  font-size: 1.1rem;
  color: #AFC4E8; /* Text Secondary */
  margin-bottom: 30px;
}

.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 {
  padding: 12px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1rem;
  transition: all 0.3s ease;
  display: inline-block;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-khuyen-mai__btn-primary {
  background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%); /* Button color */
  color: #F3F8FF; /* Text Main */
  border: none;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-khuyen-mai__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.page-khuyen-mai__btn-secondary {
  background: #10233F; /* Card BG */
  color: #F3F8FF; /* Text Main */
  border: 1px solid #244D84; /* Border color */
}

.page-khuyen-mai__btn-secondary:hover {
  background: #1B3357; /* Divider */
  transform: translateY(-2px);
}

/* Section Titles & Descriptions */
.page-khuyen-mai__section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: #F2C14E; /* Gold */
  text-align: center;
  margin-bottom: 20px;
  padding-top: 40px;
}

.page-khuyen-mai__section-description {
  font-size: 1rem;
  color: #AFC4E8; /* Text Secondary */
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px auto;
}

/* Overview Section */
.page-khuyen-mai__overview-section {
  background-color: var(--color-deep-navy);
  padding: 60px 0;
}

.page-khuyen-mai__promotion-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-khuyen-mai__card {
  background: #10233F; /* Card BG */
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  height: 100%;
  border: 1px solid #244D84; /* Border color */
}

.page-khuyen-mai__card-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

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

.page-khuyen-mai__card-title {
  font-size: 1.4rem;
  font-weight: 600;
  color: #F3F8FF; /* Text Main */
  margin-bottom: 15px;
}

.page-khuyen-mai__card-text {
  font-size: 0.95rem;
  color: #AFC4E8; /* Text Secondary */
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-khuyen-mai__btn-outline {
  display: inline-block;
  padding: 10px 20px;
  border: 1px solid #1D5FD1; /* Auxiliary color */
  color: #1D5FD1; /* Auxiliary color */
  text-decoration: none;
  border-radius: 6px;
  font-weight: 500;
  transition: all 0.3s ease;
  margin-top: auto;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-khuyen-mai__btn-outline:hover {
  background: #1D5FD1; /* Auxiliary color */
  color: #F3F8FF; /* Text Main */
}

/* Detailed Promotions Section */
.page-khuyen-mai__detailed-promotions-section {
  background-color: var(--color-deep-navy);
  padding: 60px 0;
}

.page-khuyen-mai__promotion-item {
  display: flex;
  align-items: center;
  gap: 40px;
  margin-bottom: 80px;
  background: #10233F; /* Card BG */
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  padding: 30px;
  border: 1px solid #244D84; /* Border color */
}

.page-khuyen-mai__promotion-item--reversed {
  flex-direction: row-reverse;
}

.page-khuyen-mai__promotion-image {
  flex: 1;
  max-width: 50%;
  height: auto;
  border-radius: 8px;
  object-fit: cover;
  display: block;
}

.page-khuyen-mai__promotion-content {
  flex: 1;
  max-width: 50%;
}

.page-khuyen-mai__promotion-heading {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: #F2C14E; /* Gold */
  margin-bottom: 20px;
}

.page-khuyen-mai__promotion-text {
  font-size: 1rem;
  color: #AFC4E8; /* Text Secondary */
  margin-bottom: 20px;
}

.page-khuyen-mai__promotion-features {
  list-style: none;
  padding: 0;
  margin-bottom: 30px;
}

.page-khuyen-mai__promotion-features li {
  color: #F3F8FF; /* Text Main */
  margin-bottom: 10px;
  position: relative;
  padding-left: 25px;
}

.page-khuyen-mai__promotion-features li::before {
  content: '✓';
  color: #1D5FD1; /* Auxiliary color */
  position: absolute;
  left: 0;
  font-weight: bold;
}

/* How to Claim Section */
.page-khuyen-mai__claim-section {
  background-color: var(--color-deep-navy);
  padding: 60px 0;
}

.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: #10233F; /* Card BG */
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  border: 1px solid #244D84; /* Border color */
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-khuyen-mai__step-icon {
  width: 120px;
  height: 120px;
  object-fit: contain;
  margin-bottom: 20px;
  display: block;
}

.page-khuyen-mai__step-title {
  font-size: 1.3rem;
  font-weight: 600;
  color: #F2C14E; /* Gold */
  margin-bottom: 10px;
}

.page-khuyen-mai__step-text {
  font-size: 0.95rem;
  color: #AFC4E8; /* Text Secondary */
}

.page-khuyen-mai__cta-wrapper {
  text-align: center;
  margin-top: 50px;
}

/* Why Choose Section */
.page-khuyen-mai__why-choose-section {
  padding: 60px 0;
}

.page-khuyen-mai__dark-section {
  background-color: #113B7A; /* Main color */
  color: #ffffff;
}

.page-khuyen-mai__dark-section .page-khuyen-mai__section-title {
  color: #F2C14E; /* Gold */
}

.page-khuyen-mai__dark-section .page-khuyen-mai__section-description {
  color: #F3F8FF; /* Text Main */
}

.page-khuyen-mai__benefits-list {
  list-style: none;
  padding: 0;
  max-width: 800px;
  margin: 40px auto 0 auto;
}

.page-khuyen-mai__benefits-list li {
  font-size: 1.1rem;
  color: #F3F8FF; /* Text Main */
  margin-bottom: 15px;
  position: relative;
  padding-left: 35px;
  text-align: left;
}

.page-khuyen-mai__list-icon {
  position: absolute;
  left: 0;
  color: #F2C14E; /* Gold */
  font-size: 1.3rem;
  font-weight: bold;
}

/* FAQ Section */
.page-khuyen-mai__faq-section {
  background-color: var(--color-deep-navy);
  padding: 60px 0;
}

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

.page-khuyen-mai__faq-item {
  background: #10233F; /* Card BG */
  border: 1px solid #244D84; /* Border color */
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-khuyen-mai__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.2rem;
  font-weight: 600;
  color: #F3F8FF; /* Text Main */
  cursor: pointer;
  background: #1B3357; /* Divider - slightly darker for summary */
  transition: background-color 0.3s ease;
  list-style: none;
}

.page-khuyen-mai__faq-question::-webkit-details-marker {
  display: none;
}

.page-khuyen-mai__faq-question:hover {
  background-color: #244D84; /* Border color */
}

.page-khuyen-mai__faq-qtext {
  flex-grow: 1;
}

.page-khuyen-mai__faq-toggle {
  font-size: 1.5rem;
  margin-left: 15px;
  color: #F2C14E; /* Gold */
  transition: transform 0.3s ease;
}

.page-khuyen-mai__faq-item[open] .page-khuyen-mai__faq-toggle {
  transform: rotate(45deg);
}

.page-khuyen-mai__faq-answer {
  padding: 20px 25px;
  font-size: 1rem;
  color: #AFC4E8; /* Text Secondary */
  border-top: 1px solid #244D84; /* Border color */
}

/* Final CTA Section */
.page-khuyen-mai__final-cta-section {
  padding: 60px 0 80px 0;
  text-align: center;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-khuyen-mai__container {
    padding: 20px 30px;
  }

  .page-khuyen-mai__hero-image {
    max-height: 500px;
  }

  .page-khuyen-mai__promotion-item {
    flex-direction: column;
    gap: 20px;
    text-align: center;
    padding: 20px;
  }

  .page-khuyen-mai__promotion-item--reversed {
    flex-direction: column;
  }

  .page-khuyen-mai__promotion-image {
    max-width: 80%;
    margin: 0 auto;
  }

  .page-khuyen-mai__promotion-content {
    max-width: 100%;
  }

  .page-khuyen-mai__promotion-features li {
    text-align: left;
  }
}

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

  .page-khuyen-mai__hero-section {
    padding-bottom: 30px;
  }

  .page-khuyen-mai__hero-image-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-khuyen-mai__hero-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-khuyen-mai__main-title {
    font-size: clamp(1.8rem, 7vw, 2.5rem);
  }

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

  .page-khuyen-mai__cta-buttons {
    flex-direction: column;
    gap: 15px;
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

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

  .page-khuyen-mai__section-title {
    font-size: clamp(1.5rem, 6vw, 2.2rem);
    padding-top: 30px;
  }

  .page-khuyen-mai__section-description {
    font-size: 0.9rem;
    margin-bottom: 30px;
  }

  .page-khuyen-mai__overview-section,
  .page-khuyen-mai__detailed-promotions-section,
  .page-khuyen-mai__claim-section,
  .page-khuyen-mai__why-choose-section,
  .page-khuyen-mai__faq-section,
  .page-khuyen-mai__final-cta-section {
    padding: 40px 0;
  }

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

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

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

  .page-khuyen-mai__card-title {
    font-size: 1.2rem;
  }

  .page-khuyen-mai__card-text {
    font-size: 0.9rem;
  }

  .page-khuyen-mai__promotion-item {
    padding: 20px;
    margin-bottom: 40px;
  }

  .page-khuyen-mai__promotion-image {
    max-width: 100%;
  }

  .page-khuyen-mai__promotion-heading {
    font-size: clamp(1.4rem, 5vw, 1.8rem);
  }

  .page-khuyen-mai__promotion-text {
    font-size: 0.9rem;
  }

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

  .page-khuyen-mai__step-icon {
    width: 100px;
    height: 100px;
  }

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

  .page-khuyen-mai__step-text {
    font-size: 0.85rem;
  }

  .page-khuyen-mai__benefits-list li {
    font-size: 0.95rem;
    padding-left: 30px;
  }

  .page-khuyen-mai__list-icon {
    font-size: 1.1rem;
  }

  .page-khuyen-mai__faq-question {
    font-size: 1rem;
    padding: 15px 20px;
  }

  .page-khuyen-mai__faq-toggle {
    font-size: 1.2rem;
  }

  .page-khuyen-mai__faq-answer {
    font-size: 0.9rem;
    padding: 15px 20px;
  }

  /* Generic image and container rules for mobile */
  .page-khuyen-mai img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-khuyen-mai__section,
  .page-khuyen-mai__card,
  .page-khuyen-mai__container,
  .page-khuyen-mai__promotion-item,
  .page-khuyen-mai__steps-grid,
  .page-khuyen-mai__faq-list {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* Placeholder for home-content, gameshow, blog-masonry etc. not applicable to this page, but included for completeness of mobile CSS checklist */
  .page-khuyen-mai__home-content { /* Not applicable to this page */ }
  .page-khuyen-mai__banners-top-wrapper { /* Not applicable to this page */ }
  .page-khuyen-mai__blog-masonry { /* Not applicable to this page */ }
  .page-khuyen-mai__slider-track { /* Not applicable to this page */ }
  .page-khuyen-mai__blog-slider-track { /* Not applicable to this page */ }
  .page-khuyen-mai__game-slide { /* Not applicable to this page */ }
  .page-khuyen-mai__blog-slide { /* Not applicable to this page */ }
}