/* Base styles for the Khuyến Mãi page */
.page-khuyen-mai {
  font-family: 'Arial', sans-serif;
  color: var(--text-main, #FFF6D6); /* Default text color for dark background */
  background-color: var(--page-bg, #0A0A0A); /* Body background from shared */
}

.page-khuyen-mai__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 15px;
  box-sizing: border-box;
}

.page-khuyen-mai__section {
  padding: 40px 0;
}

.page-khuyen-mai__section-title {
  font-size: 36px;
  font-weight: bold;
  color: #FFF6D6;
  text-align: center;
  margin-bottom: 30px;
  line-height: 1.2;
}

.page-khuyen-mai__text-block {
  font-size: 16px;
  line-height: 1.8;
  color: #FFF6D6;
  text-align: justify;
  margin-bottom: 20px;
}

.page-khuyen-mai__text-block p {
  margin-bottom: 15px;
}

.page-khuyen-mai__text-block ul {
  list-style: disc;
  padding-left: 25px;
  margin-bottom: 15px;
}

.page-khuyen-mai__text-block li {
  margin-bottom: 8px;
}

/* Hero Section */
.page-khuyen-mai__hero-section {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 10px; /* Small top padding to avoid double spacing with body padding */
  background-color: #0A0A0A; /* Ensure hero has a background */
}

.page-khuyen-mai__hero-image {
  width: 100%;
  max-height: 675px; /* Max height for desktop hero */
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

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

.page-khuyen-mai__hero-content {
  position: relative;
  z-index: 2;
  padding: 40px 15px;
  max-width: 900px;
  box-sizing: border-box;
  background: #111111; /* Card BG */
  border-radius: 10px;
  margin-top: 20px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.page-khuyen-mai__main-title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 900;
  color: #FFD36B; /* Glow color for main title */
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-khuyen-mai__hero-description {
  font-size: 18px;
  color: #FFF6D6;
  margin-bottom: 30px;
  line-height: 1.7;
}

.page-khuyen-mai__cta-button {
  display: inline-block;
  padding: 15px 30px;
  background: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%); /* Button gradient */
  color: #111111; /* Dark text for bright button */
  font-size: 20px;
  font-weight: bold;
  text-decoration: none;
  border-radius: 50px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 5px 15px rgba(255, 211, 107, 0.4);
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-khuyen-mai__cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(255, 211, 107, 0.6);
}

/* Promotions Grid Section */
.page-khuyen-mai__promo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 30px;
}

.page-khuyen-mai__promo-card {
  background: #111111; /* Card BG */
  border: 1px solid #3A2A12; /* Border color */
  border-radius: 10px;
  overflow: hidden;
  text-align: center;
  padding-bottom: 25px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-khuyen-mai__promo-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.page-khuyen-mai__promo-card img {
  width: 100%;
  height: 200px; /* Fixed height for consistency */
  object-fit: cover;
  display: block;
  margin-bottom: 20px;
}

.page-khuyen-mai__promo-card .page-khuyen-mai__card-title {
  font-size: 24px;
  font-weight: bold;
  color: #FFD36B;
  margin-bottom: 15px;
  padding: 0 15px;
}

.page-khuyen-mai__promo-card .page-khuyen-mai__card-description {
  font-size: 15px;
  color: #FFF6D6;
  line-height: 1.6;
  margin-bottom: 25px;
  flex-grow: 1;
  padding: 0 15px;
}

.page-khuyen-mai__promo-card .page-khuyen-mai__btn-secondary {
  display: inline-block;
  padding: 10px 20px;
  background: #F2C14E; /* Main color for secondary button */
  color: #111111; /* Dark text for bright button */
  font-size: 16px;
  font-weight: bold;
  text-decoration: none;
  border-radius: 30px;
  transition: background-color 0.3s ease, transform 0.3s ease;
  margin-top: auto; /* Push button to bottom */
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-khuyen-mai__promo-card .page-khuyen-mai__btn-secondary:hover {
  background: #FFD36B;
  transform: translateY(-2px);
}

/* How-to-claim section */
.page-khuyen-mai__steps-list {
  list-style: none;
  padding: 0;
  margin-top: 30px;
}

.page-khuyen-mai__step-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 30px;
  background: #111111; /* Card BG */
  border: 1px solid #3A2A12;
  border-radius: 10px;
  padding: 25px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.page-khuyen-mai__step-number {
  font-size: 48px;
  font-weight: bold;
  color: #F2C14E;
  margin-right: 25px;
  flex-shrink: 0;
  line-height: 1;
}

.page-khuyen-mai__step-content {
  text-align: left;
}

.page-khuyen-mai__step-title {
  font-size: 24px;
  font-weight: bold;
  color: #FFD36B;
  margin-bottom: 10px;
}

.page-khuyen-mai__step-content p {
  font-size: 16px;
  line-height: 1.7;
  color: #FFF6D6;
}

.page-khuyen-mai__step-content a {
  color: #FFD36B;
  text-decoration: underline;
  transition: color 0.3s ease;
}

.page-khuyen-mai__step-content a:hover {
  color: #F2C14E;
}

/* Terms Section */
.page-khuyen-mai__terms-section .page-khuyen-mai__text-block {
  background: #111111;
  border: 1px solid #3A2A12;
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

/* FAQ Section */
.page-khuyen-mai__faq-list {
  margin-top: 30px;
}

details.page-khuyen-mai__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid #3A2A12;
  overflow: hidden;
  background: #111111; /* Card BG */
}

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;
}

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: rgba(255, 211, 107, 0.1);
}

.page-khuyen-mai__faq-qtext {
  flex: 1;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: #FFF6D6;
}

.page-khuyen-mai__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #FFD36B;
  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: rgba(255, 255, 255, 0.05);
  border-radius: 0 0 5px 5px;
  color: #FFF6D6;
  font-size: 16px;
  line-height: 1.7;
}

/* Final CTA Section */
.page-khuyen-mai__final-cta-section .page-khuyen-mai__dark-section {
  background: #F2C14E;
  color: #111111; /* Dark text for bright background */
  padding: 50px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
}

.page-khuyen-mai__final-cta-section .page-khuyen-mai__section-title {
  color: #111111; /* Dark text for bright background */
  margin-bottom: 25px;
}

.page-khuyen-mai__final-cta-section .page-khuyen-mai__text-block {
  color: #111111; /* Dark text for bright background */
  font-size: 18px;
  margin-bottom: 35px;
}

.page-khuyen-mai__final-cta-section .page-khuyen-mai__cta-button {
  background: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%); /* Button gradient */
  color: #111111; /* Dark text for bright button */
  font-size: 22px;
  padding: 18px 35px;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-khuyen-mai__promo-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
  }

  .page-khuyen-mai__section-title {
    font-size: 32px;
  }

  .page-khuyen-mai__hero-content {
    padding: 30px 15px;
  }

  .page-khuyen-mai__main-title {
    font-size: clamp(26px, 3.5vw, 40px);
  }

  .page-khuyen-mai__hero-description {
    font-size: 17px;
  }

  .page-khuyen-mai__cta-button {
    font-size: 18px;
    padding: 12px 25px;
  }

  .page-khuyen-mai__promo-card img {
    
  }

  .page-khuyen-mai__promo-card .page-khuyen-mai__card-title {
    font-size: 22px;
  }

  .page-khuyen-mai__promo-card .page-khuyen-mai__card-description {
    font-size: 14px;
  }

  .page-khuyen-mai__step-number {
    font-size: 40px;
  }

  .page-khuyen-mai__step-title {
    font-size: 22px;
  }

  .page-khuyen-mai__step-content p {
    font-size: 15px;
  }

  .page-khuyen-mai__faq-qtext {
    font-size: 17px;
  }

  .page-khuyen-mai__faq-toggle {
    font-size: 22px;
  }

  .page-khuyen-mai__final-cta-section .page-khuyen-mai__section-title {
    font-size: 30px;
  }

  .page-khuyen-mai__final-cta-section .page-khuyen-mai__text-block {
    font-size: 17px;
  }

  .page-khuyen-mai__final-cta-section .page-khuyen-mai__cta-button {
    font-size: 20px;
    padding: 15px 30px;
  }
}

@media (max-width: 768px) {
  /* HERO 主图区域 */
  .page-khuyen-mai__hero-section {
    padding-top: 10px;
  }

  .page-khuyen-mai__hero-image img {
    object-fit: contain !important; /* Mobile hero image should contain, not crop */
    aspect-ratio: unset !important; /* Remove fixed aspect ratio if any */
    max-height: 300px !important;
  }

  .page-khuyen-mai__hero-content {
    padding: 25px 15px;
    margin-top: 15px;
    border-radius: 8px;
  }

  .page-khuyen-mai__main-title {
    font-size: clamp(24px, 7vw, 36px);
    margin-bottom: 15px;
  }

  .page-khuyen-mai__hero-description {
    font-size: 15px;
    margin-bottom: 25px;
  }

  /* Thông tin chung, text-block và list */
  .page-khuyen-mai__text-block {
    font-size: 15px;
    padding: 0 10px;
  }

  .page-khuyen-mai__text-block p, .page-khuyen-mai__text-block li {
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-khuyen-mai__section-title {
    font-size: 28px;
    margin-bottom: 20px;
    padding: 0 10px;
  }

  /* Sản phẩm/khuyến mãi dạng lưới */
  .page-khuyen-mai__promo-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 0 15px;
    overflow-x: hidden;
  }

  .page-khuyen-mai__promo-card {
    padding-bottom: 20px;
  }

  .page-khuyen-mai__promo-card img {
    
    max-width: 100% !important;
    width: 100% !important;
  }

  .page-khuyen-mai__promo-card .page-khuyen-mai__card-title {
    font-size: 20px;
  }

  .page-khuyen-mai__promo-card .page-khuyen-mai__card-description {
    font-size: 14px;
  }

  /* Hướng dẫn từng bước */
  .page-khuyen-mai__steps-list {
    padding: 0 15px;
  }

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

  .page-khuyen-mai__step-number {
    font-size: 40px;
    margin-right: 0;
    margin-bottom: 15px;
  }

  .page-khuyen-mai__step-title {
    font-size: 20px;
    margin-bottom: 8px;
  }

  .page-khuyen-mai__step-content p {
    font-size: 14px;
  }

  /* FAQ Section */
  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;
    height: 24px;
  }

  details.page-khuyen-mai__faq-item .page-khuyen-mai__faq-answer {
    padding: 0 15px 15px;
    font-size: 14px;
  }

  /* Button responsive styles */
  .page-khuyen-mai__cta-button,
  .page-khuyen-mai__btn-secondary {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-khuyen-mai__final-cta-section .page-khuyen-mai__cta-button {
    font-size: 18px;
    padding: 15px 20px;
  }

  .page-khuyen-mai__final-cta-section .page-khuyen-mai__dark-section {
    padding: 30px 15px;
  }

  .page-khuyen-mai__final-cta-section .page-khuyen-mai__section-title {
    font-size: 26px;
  }

  .page-khuyen-mai__final-cta-section .page-khuyen-mai__text-block {
    font-size: 15px;
  }

  /* Ensure all content containers are responsive */
  .page-khuyen-mai__container,
  .page-khuyen-mai__section,
  .page-khuyen-mai__promo-card,
  .page-khuyen-mai__step-item,
  .page-khuyen-mai__faq-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-khuyen-mai__overview-section .page-khuyen-mai__container,
  .page-khuyen-mai__terms-section .page-khuyen-mai__container,
  .page-khuyen-mai__faq-section .page-khuyen-mai__container,
  .page-khuyen-mai__how-to-claim-section .page-khuyen-mai__container {
    padding-left: 0;
    padding-right: 0;
  }
  .page-khuyen-mai__final-cta-section .page-khuyen-mai__container {
    padding-left: 15px;
    padding-right: 15px;
  }
}