.page-khuyen-mai {
  --primary-color: #FF8C1A;
  --secondary-color: #FFA53A;
  --card-bg-color: #17191F;
  --background-color: #0D0E12;
  --text-main-color: #FFF3E6;
  --border-color: #A84F0C;
  --glow-color: #FFB04D;
  --deep-orange-color: #D96800;
  color: var(--text-main-color); /* Default text color for the page */
  background-color: var(--background-color);
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

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

.page-khuyen-mai__section {
  padding: 60px 0;
  text-align: center;
}

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

.page-khuyen-mai__section-title {
  font-size: 2.8em;
  font-weight: bold;
  margin-bottom: 20px;
  color: var(--secondary-color);
}

.page-khuyen-mai__text-block {
  font-size: 1.1em;
  margin-bottom: 40px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  color: var(--text-main-color);
}

/* Hero Section */
.page-khuyen-mai__hero-section {
  padding-top: 10px; /* Small top padding, shared.css handles body padding */
  padding-bottom: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.page-khuyen-mai__hero-image-wrapper {
  width: 100%;
  max-height: 700px; /* Limit height of the image wrapper */
  overflow: hidden;
}

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

.page-khuyen-mai__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin-top: 40px;
  padding: 0 20px;
}

.page-khuyen-mai__main-title {
  font-size: clamp(2.5em, 4vw, 3.5em);
  font-weight: 900;
  color: var(--secondary-color);
  margin-bottom: 15px;
  line-height: 1.2;
}

.page-khuyen-mai__intro-text {
  font-size: 1.2em;
  color: var(--text-main-color);
  margin-bottom: 30px;
}

/* Buttons */
.page-khuyen-mai__btn-primary {
  display: inline-block;
  padding: 15px 30px;
  background: linear-gradient(180deg, var(--secondary-color) 0%, var(--deep-orange-color) 100%);
  color: #ffffff;
  text-decoration: none;
  border-radius: 8px;
  font-weight: bold;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(255, 165, 58, 0.4);
}

.page-khuyen-mai__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(255, 165, 58, 0.6);
}

.page-khuyen-mai__btn-secondary {
  display: inline-block;
  padding: 10px 20px;
  background: transparent;
  color: var(--secondary-color);
  text-decoration: none;
  border: 2px solid var(--secondary-color);
  border-radius: 8px;
  font-weight: bold;
  transition: background-color 0.3s ease, color 0.3s ease;
  cursor: pointer;
}

.page-khuyen-mai__btn-secondary:hover {
  background-color: var(--secondary-color);
  color: #ffffff;
}

.page-khuyen-mai__btn-lg {
  padding: 18px 40px;
  font-size: 1.1em;
}

/* Card Styles */
.page-khuyen-mai__card {
  background-color: var(--card-bg-color);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 25px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  height: 100%;
}

.page-khuyen-mai__card-image {
  width: 100%;
  height: auto;
  max-height: 250px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
}

.page-khuyen-mai__card-title {
  font-size: 1.6em;
  color: var(--secondary-color);
  margin-bottom: 10px;
  font-weight: bold;
}

.page-khuyen-mai__card-description {
  font-size: 1em;
  color: var(--text-main-color);
  margin-bottom: 20px;
  flex-grow: 1;
}

/* Overview Section */
.page-khuyen-mai__overview {
  background-color: var(--background-color);
}

.page-khuyen-mai__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

/* New Member Offers */
.page-khuyen-mai__new-member-offers {
  background-color: #1a1b22;
}

.page-khuyen-mai__offer-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

/* Cashback Programs */
.page-khuyen-mai__cashback-programs {
  background-color: var(--background-color);
}

.page-khuyen-mai__cashback-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  margin-top: 40px;
}

.page-khuyen-mai__cashback-item {
  background-color: var(--card-bg-color);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 25px;
  text-align: left;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.page-khuyen-mai__item-title {
  font-size: 1.4em;
  color: var(--secondary-color);
  margin-bottom: 10px;
  font-weight: bold;
}

.page-khuyen-mai__item-description {
  font-size: 1em;
  color: var(--text-main-color);
}

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

/* Product Promotions */
.page-khuyen-mai__product-promotions {
  background-color: #1a1b22;
}

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

/* How To Claim */
.page-khuyen-mai__how-to-claim {
  background-color: var(--background-color);
}

.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: var(--card-bg-color);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 25px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  height: 100%;
}

.page-khuyen-mai__step-number {
  font-size: 2.5em;
  font-weight: bold;
  color: var(--primary-color);
  margin-bottom: 15px;
  background-color: rgba(255, 140, 26, 0.1);
  border-radius: 50%;
  width: 70px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Terms and Conditions */
.page-khuyen-mai__terms-conditions {
  background-color: #1a1b22;
  text-align: left;
}

.page-khuyen-mai__terms-list {
  list-style: disc;
  margin-left: 25px;
  color: var(--text-main-color);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
}

.page-khuyen-mai__terms-list li {
  margin-bottom: 10px;
  font-size: 1em;
}

.page-khuyen-mai__terms-list a {
  color: var(--secondary-color);
  text-decoration: underline;
}

/* FAQ Section */
.page-khuyen-mai__faq-section {
  background-color: var(--background-color);
}

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

.page-khuyen-mai__faq-item {
  background-color: var(--card-bg-color);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-khuyen-mai__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  font-size: 1.1em;
  font-weight: bold;
  color: var(--text-main-color);
  background-color: #1a1b22;
  border-bottom: 1px solid var(--border-color);
}

.page-khuyen-mai__faq-question:hover {
  background-color: #2a2b33;
}

.page-khuyen-mai__faq-toggle {
  font-size: 1.5em;
  color: var(--primary-color);
  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: 1em;
  color: var(--text-main-color);
  background-color: var(--card-bg-color);
  border-top: 1px solid var(--border-color);
}

.page-khuyen-mai__faq-answer p {
  margin: 0;
}

/* CTA Bottom */
.page-khuyen-mai__cta-bottom {
  background-color: #1a1b22;
  padding-bottom: 80px;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-khuyen-mai__container {
    padding: 0 15px;
  }

  .page-khuyen-mai__section-title {
    font-size: 2.2em;
  }

  .page-khuyen-mai__main-title {
    font-size: clamp(2em, 5vw, 3em);
  }

  .page-khuyen-mai__intro-text {
    font-size: 1.1em;
  }

  .page-khuyen-mai__card-title {
    font-size: 1.4em;
  }

  .page-khuyen-mai__item-title {
    font-size: 1.2em;
  }

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

@media (max-width: 768px) {
  .page-khuyen-mai__section {
    padding: 40px 0;
  }

  .page-khuyen-mai__section-title {
    font-size: 1.8em;
    margin-bottom: 15px;
  }

  .page-khuyen-mai__text-block {
    font-size: 0.95em;
    margin-bottom: 30px;
  }

  /* Hero Section */
  .page-khuyen-mai__hero-section {
    padding-top: 10px;
    padding-bottom: 40px;
  }

  .page-khuyen-mai__hero-image-wrapper {
    max-height: 300px;
  }

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

  .page-khuyen-mai__hero-content {
    margin-top: 30px;
    padding: 0 15px;
  }

  .page-khuyen-mai__main-title {
    font-size: clamp(1.8em, 6vw, 2.5em);
  }

  .page-khuyen-mai__intro-text {
    font-size: 1em;
  }

  /* Buttons */
  .page-khuyen-mai__btn-primary,
  .page-khuyen-mai__btn-secondary,
  .page-khuyen-mai a[class*="button"],
  .page-khuyen-mai a[class*="btn"] {
    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;
    margin-bottom: 10px; /* Add space between stacked buttons */
  }

  .page-khuyen-mai__btn-lg {
    padding: 15px 20px;
  }

  /* Button containers */
  .page-khuyen-mai__cta-wrapper,
  .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;
    display: flex;
    flex-direction: column; /* Stack buttons vertically */
    gap: 10px;
  }

  /* General Images & Containers */
  .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,
  .page-khuyen-mai__overview,
  .page-khuyen-mai__new-member-offers,
  .page-khuyen-mai__cashback-programs,
  .page-khuyen-mai__product-promotions,
  .page-khuyen-mai__how-to-claim,
  .page-khuyen-mai__terms-conditions,
  .page-khuyen-mai__faq-section,
  .page-khuyen-mai__cta-bottom {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* Grids - force single column or fewer columns */
  .page-khuyen-mai__features-grid,
  .page-khuyen-mai__offer-cards,
  .page-khuyen-mai__cashback-grid,
  .page-khuyen-mai__product-grid,
  .page-khuyen-mai__steps-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-khuyen-mai__card {
    padding: 20px;
  }

  .page-khuyen-mai__card-image {
    max-height: 200px;
  }

  .page-khuyen-mai__card-title {
    font-size: 1.3em;
  }

  .page-khuyen-mai__item-title {
    font-size: 1.1em;
  }

  /* FAQ */
  .page-khuyen-mai__faq-question {
    padding: 15px 20px;
    font-size: 1em;
  }

  .page-khuyen-mai__faq-answer {
    padding: 15px 20px;
  }

  .page-khuyen-mai__terms-list {
    margin-left: 0;
    padding-left: 20px;
  }
}