.page-khuyen-mai {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #FFF3E6; /* Text Main */
  background-color: #0D0E12; /* Background */
}

.page-khuyen-mai__hero-section {
  padding-top: 10px; /* Small top padding, relying on body padding-top for header offset */
  padding-bottom: 60px;
  background: linear-gradient(180deg, #FF8C1A 0%, #D96800 100%); /* Deep Orange gradient */
  color: #ffffff; /* Ensure white text on dark background */
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 450px;
}

.page-khuyen-mai__hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 30px;
}

.page-khuyen-mai__hero-content {
  flex: 1 1 50%;
  min-width: 300px;
}

.page-khuyen-mai__hero-title {
  font-size: 2.8em;
  margin-bottom: 15px;
  font-weight: bold;
  line-height: 1.2;
  color: #ffffff;
}

.page-khuyen-mai__hero-description {
  font-size: 1.1em;
  margin-bottom: 30px;
  color: #ffffff;
}

.page-khuyen-mai__hero-image {
  flex: 1 1 40%;
  min-width: 300px;
  text-align: center;
}

.page-khuyen-mai__hero-main-image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
  display: block;
}

.page-khuyen-mai__btn-primary {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 8px;
  background: linear-gradient(180deg, #FFA53A 0%, #D96800 100%);
  color: #ffffff;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: background-color 0.3s ease;
  border: none;
  cursor: pointer;
  box-sizing: border-box;
}

.page-khuyen-mai__btn-primary:hover {
  background: linear-gradient(180deg, #D96800 0%, #FFA53A 100%);
}

.page-khuyen-mai__intro-section {
  padding: 60px 0;
  background-color: #0D0E12; /* Background */
  color: #FFF3E6;
}

.page-khuyen-mai__content-area {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.page-khuyen-mai__section-title {
  font-size: 2.2em;
  color: #FF8C1A; /* Main color for titles */
  text-align: center;
  margin-bottom: 40px;
  font-weight: bold;
}

.page-khuyen-mai__section-title--light {
  color: #ffffff;
}

.page-khuyen-mai__text-block {
  font-size: 1.05em;
  margin-bottom: 20px;
  color: #FFF3E6;
  text-align: justify;
}

.page-khuyen-mai__highlight {
  color: #FFA53A; /* Auxiliary color for highlights */
  font-weight: bold;
}

.page-khuyen-mai__promotions-list-section {
  padding: 60px 0;
  background-color: #17191F; /* Card BG */
}

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

.page-khuyen-mai__promo-card {
  background-color: #0D0E12; /* Background */
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  border: 1px solid #A84F0C; /* Border color */
  display: flex;
  flex-direction: column;
  color: #FFF3E6;
}

.page-khuyen-mai__promo-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;
  justify-content: space-between;
}

.page-khuyen-mai__card-title {
  font-size: 1.4em;
  color: #FFB04D; /* Glow color for card titles */
  margin-bottom: 15px;
  font-weight: bold;
}

.page-khuyen-mai__card-description {
  font-size: 1em;
  color: #FFF3E6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-khuyen-mai__guide-section {
  padding: 60px 0;
  background-color: #0D0E12;
  color: #FFF3E6;
}

.page-khuyen-mai__guide-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
}

.page-khuyen-mai__guide-item {
  background-color: #17191F;
  border: 1px solid #A84F0C;
  border-radius: 8px;
  padding: 25px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.page-khuyen-mai__guide-step-title {
  font-size: 1.3em;
  color: #FF8C1A;
  margin-bottom: 10px;
}

.page-khuyen-mai__guide-step-description {
  font-size: 1em;
  color: #FFF3E6;
}

.page-khuyen-mai__text-link {
  color: #FFA53A;
  text-decoration: none;
  font-weight: bold;
}

.page-khuyen-mai__text-link:hover {
  text-decoration: underline;
}

.page-khuyen-mai__faq-section {
  padding: 60px 0;
  background-color: #17191F; /* Card BG */
  color: #FFF3E6;
}

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

.page-khuyen-mai__faq-item {
  background-color: #0D0E12; /* Background */
  border: 1px solid #A84F0C;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-khuyen-mai__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.15em;
  font-weight: bold;
  color: #FFB04D; /* Glow color */
  cursor: pointer;
  list-style: none;
  position: relative;
  user-select: none;
}

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

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

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

.page-khuyen-mai__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  margin-left: 15px;
  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: 0 25px 20px;
  font-size: 1em;
  color: #FFF3E6;
}

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

.page-khuyen-mai__cta-section {
  padding: 60px 0;
  background-color: #0D0E12;
  text-align: center;
  color: #FFF3E6;
}

.page-khuyen-mai__cta-container {
  max-width: 800px;
}

.page-khuyen-mai__cta-button {
  margin-top: 30px;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-khuyen-mai__hero-title {
    font-size: 2.5em;
  }
  .page-khuyen-mai__section-title {
    font-size: 2em;
  }
  .page-khuyen-mai__promo-image {
    height: 200px;
  }
}

@media (max-width: 768px) {
  .page-khuyen-mai {
    font-size: 16px;
    line-height: 1.6;
  }
  .page-khuyen-mai__hero-section {
    padding-top: 10px !important;
    padding-bottom: 40px;
  }
  .page-khuyen-mai__hero-container {
    flex-direction: column;
    text-align: center;
    padding: 0 15px;
  }
  .page-khuyen-mai__hero-content,
  .page-khuyen-mai__hero-image {
    flex: 1 1 100%;
    width: 100%;
  }
  .page-khuyen-mai__hero-title {
    font-size: 2em;
    margin-top: 20px;
  }
  .page-khuyen-mai__hero-description {
    font-size: 1em;
  }
  .page-khuyen-mai__btn-primary,
  .page-khuyen-mai__cta-button {
    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__content-area {
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-khuyen-mai__intro-section,
  .page-khuyen-mai__promotions-list-section,
  .page-khuyen-mai__guide-section,
  .page-khuyen-mai__faq-section,
  .page-khuyen-mai__cta-section {
    padding: 40px 0;
  }
  .page-khuyen-mai__section-title {
    font-size: 1.8em;
    margin-bottom: 30px;
  }
  .page-khuyen-mai__promo-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-khuyen-mai__promo-image {
    height: 180px;
  }
  .page-khuyen-mai__card-title {
    font-size: 1.2em;
  }
  .page-khuyen-mai__card-content {
    padding: 20px;
  }
  .page-khuyen-mai__guide-list {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-khuyen-mai__faq-question {
    font-size: 1em;
    padding: 15px 20px;
  }
  .page-khuyen-mai__faq-answer {
    padding: 0 20px 15px;
  }
  .page-khuyen-mai img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-khuyen-mai__promo-card,
  .page-khuyen-mai__guide-item,
  .page-khuyen-mai__faq-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-khuyen-mai__cta-container {
    padding: 0 15px;
  }
}