.page-khuyen-mai {
  --primary-color: #FF8C1A;
  --secondary-color: #FFA53A;
  --card-bg: #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 dark body background */
  background-color: var(--background-color);
}

.page-khuyen-mai__container {
  max-width: 1170px;
  margin: 0 auto;
  padding: 40px 16px;
  box-sizing: border-box;
}

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

/* Hero Section */
.page-khuyen-mai__hero-section {
  padding-top: 10px; /* Small top padding, body handles header offset */
  padding-bottom: 40px;
  background-color: var(--background-color);
}

.page-khuyen-mai__hero-container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 40px;
  max-width: 1170px;
  margin: 0 auto;
  padding: 40px 16px;
}

.page-khuyen-mai__hero-content {
  flex: 1 1 500px;
  text-align: left;
  color: var(--text-main-color);
}

.page-khuyen-mai__main-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--primary-color);
  text-shadow: 0 0 10px rgba(255, 140, 26, 0.5);
}

.page-khuyen-mai__description {
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 30px;
  color: var(--text-main-color);
}

.page-khuyen-mai__cta-buttons {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.page-khuyen-mai__btn-primary,
.page-khuyen-mai__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-khuyen-mai__btn-primary {
  background: linear-gradient(180deg, var(--secondary-color) 0%, var(--deep-orange-color) 100%);
  color: #ffffff; /* White text for dark button */
  border: 2px solid transparent;
  box-shadow: 0 4px 15px rgba(255, 165, 58, 0.4);
}

.page-khuyen-mai__btn-primary:hover {
  background: linear-gradient(180deg, var(--deep-orange-color) 0%, var(--secondary-color) 100%);
  box-shadow: 0 6px 20px rgba(255, 165, 58, 0.6);
}

.page-khuyen-mai__btn-secondary {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  box-shadow: 0 2px 10px rgba(255, 140, 26, 0.2);
}

.page-khuyen-mai__btn-secondary:hover {
  background-color: var(--primary-color);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(255, 140, 26, 0.4);
}

.page-khuyen-mai__hero-image {
  flex: 1 1 450px;
  text-align: center;
}

.page-khuyen-mai__hero-side-image {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

/* Intro Section */
.page-khuyen-mai__intro-section {
  padding: 60px 0;
  text-align: center;
}

.page-khuyen-mai__section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 25px;
  color: var(--primary-color);
  text-shadow: 0 0 8px rgba(255, 140, 26, 0.3);
}

.page-khuyen-mai__text-block {
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 900px;
  margin: 0 auto 30px auto;
  color: var(--text-main-color);
}

/* Promo Grid Section */
.page-khuyen-mai__promo-grid-section {
  padding: 60px 0;
  background-color: var(--background-color);
}

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

.page-khuyen-mai__promo-card {
  background-color: var(--card-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-color);
}

.page-khuyen-mai__promo-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.page-khuyen-mai__card-image {
  width: 100%;
  height: 250px; /* Fixed height for cards */
  object-fit: cover;
  display: block;
}

.page-khuyen-mai__card-content {
  padding: 25px;
  color: var(--text-main-color);
}

.page-khuyen-mai__card-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.page-khuyen-mai__card-description {
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 20px;
  color: var(--text-main-color);
}

/* VIP Section */
.page-khuyen-mai__vip-section {
  padding: 80px 0;
  background-color: var(--card-bg);
}

.page-khuyen-mai__vip-content-wrapper {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 50px;
}

.page-khuyen-mai__vip-text {
  flex: 1 1 500px;
  color: var(--text-main-color);
}

.page-khuyen-mai__vip-benefits {
  list-style: none;
  padding: 0;
  margin: 25px 0;
}

.page-khuyen-mai__vip-benefits li {
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 10px;
  position: relative;
  padding-left: 30px;
  color: var(--text-main-color);
}

.page-khuyen-mai__vip-benefits li::before {
  content: '★'; /* Star icon */
  color: var(--primary-color);
  position: absolute;
  left: 0;
  font-size: 1.2rem;
  top: 0;
}

.page-khuyen-mai__vip-image {
  flex: 1 1 400px;
  text-align: center;
}

.page-khuyen-mai__vip-img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

/* Guide Section */
.page-khuyen-mai__guide-section {
  padding: 60px 0;
  background-color: var(--background-color);
}

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

.page-khuyen-mai__guide-step {
  background-color: var(--card-bg);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--border-color);
}

.page-khuyen-mai__guide-icon {
  width: 100%;
  max-width: 200px; /* Smaller max-width for guide icons */
  height: auto;
  object-fit: cover;
  margin-bottom: 20px;
  border-radius: 8px;
}

.page-khuyen-mai__step-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--primary-color);
}

.page-khuyen-mai__step-description {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 20px;
  color: var(--text-main-color);
}

.page-khuyen-mai__btn-text {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

.page-khuyen-mai__btn-text:hover {
  color: var(--secondary-color);
  text-decoration: underline;
}

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

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

.page-khuyen-mai__faq-item {
  background-color: var(--background-color);
  margin-bottom: 15px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.page-khuyen-mai__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary-color);
  cursor: pointer;
  list-style: none; /* Hide default marker */
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

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

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

.page-khuyen-mai__faq-toggle {
  font-size: 1.5rem;
  margin-left: 15px;
  width: 24px;
  text-align: center;
}

.page-khuyen-mai__faq-answer {
  padding: 0 25px 20px;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-main-color);
}

/* CTA Bottom Section */
.page-khuyen-mai__cta-bottom-section {
  padding: 80px 0;
  text-align: center;
  background-color: var(--background-color);
}

.page-khuyen-mai__cta-content-wrapper {
  max-width: 800px;
  margin: 0 auto;
}

.page-khuyen-mai__btn-large {
  padding: 16px 32px;
  font-size: 1.15rem;
}

/* --- Responsive Styles --- */
@media (max-width: 1024px) {
  .page-khuyen-mai__hero-container,
  .page-khuyen-mai__vip-content-wrapper {
    flex-direction: column;
    text-align: center;
  }

  .page-khuyen-mai__hero-content,
  .page-khuyen-mai__vip-text {
    flex: 1 1 100%;
    text-align: center;
  }

  .page-khuyen-mai__cta-buttons {
    justify-content: center;
  }

  .page-khuyen-mai__vip-benefits {
    text-align: left;
    margin-left: auto;
    margin-right: auto;
  }
}

@media (max-width: 768px) {
  .page-khuyen-mai__container {
    padding: 20px 15px !important;
  }

  .page-khuyen-mai__hero-section {
    padding-top: 10px !important;
    padding-bottom: 30px !important;
  }

  .page-khuyen-mai__hero-container {
    padding: 20px 15px !important;
    gap: 30px !important;
  }

  .page-khuyen-mai__main-title {
    font-size: clamp(2rem, 8vw, 2.5rem);
    margin-bottom: 15px;
  }

  .page-khuyen-mai__description {
    font-size: 1rem;
    margin-bottom: 25px;
  }

  .page-khuyen-mai__cta-buttons {
    flex-direction: column !important;
    gap: 10px !important;
  }

  .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 !important;
    padding-right: 15px !important;
  }

  .page-khuyen-mai__hero-image {
    flex: 1 1 100%;
  }

  .page-khuyen-mai__hero-side-image {
    border-radius: 8px;
  }

  /* Intro Section */
  .page-khuyen-mai__intro-section {
    padding: 40px 0 !important;
  }

  .page-khuyen-mai__section-title {
    font-size: clamp(1.8rem, 7vw, 2.2rem);
    margin-bottom: 20px;
  }

  .page-khuyen-mai__text-block {
    font-size: 0.95rem;
    margin-bottom: 20px;
  }

  /* Promo Grid Section */
  .page-khuyen-mai__promo-grid-section {
    padding: 40px 0 !important;
  }

  .page-khuyen-mai__promo-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 30px;
  }

  .page-khuyen-mai__promo-card {
    border-radius: 8px;
  }

  .page-khuyen-mai__card-image {
    height: 200px !important; /* Adjust height for mobile */
    width: 100% !important;
  }

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

  .page-khuyen-mai__card-title {
    font-size: 1.3rem;
    margin-bottom: 10px;
  }

  .page-khuyen-mai__card-description {
    font-size: 0.9rem;
    margin-bottom: 15px;
  }

  /* VIP Section */
  .page-khuyen-mai__vip-section {
    padding: 50px 0 !important;
  }

  .page-khuyen-mai__vip-content-wrapper {
    gap: 30px;
  }

  .page-khuyen-mai__vip-benefits {
    margin: 20px 0;
  }

  .page-khuyen-mai__vip-benefits li {
    font-size: 1rem;
    padding-left: 25px;
  }

  .page-khuyen-mai__vip-img {
    border-radius: 8px;
  }

  /* Guide Section */
  .page-khuyen-mai__guide-section {
    padding: 40px 0 !important;
  }

  .page-khuyen-mai__guide-steps {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 30px;
  }

  .page-khuyen-mai__guide-step {
    padding: 25px;
  }

  .page-khuyen-mai__guide-icon {
    max-width: 150px !important; /* Further reduce max-width for guide icons */
    margin-bottom: 15px;
  }

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

  .page-khuyen-mai__step-description {
    font-size: 0.85rem;
    margin-bottom: 15px;
  }
}
}