/* style/khuyen-mai.css */
.page-khuyen-mai {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #FFF6D6; /* Main text color for the page content */
  background-color: #0A0A0A; /* Page background color */
  padding-top: 10px; /* Small top padding, relying on shared.css for body padding-top */
}

.page-khuyen-mai__container {
  max-width: 1150px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

/* Hero Section */
.page-khuyen-mai__hero-section {
  display: flex;
  flex-direction: column; /* Default to column for mobile first, then row for desktop */
  align-items: center;
  justify-content: center;
  padding-bottom: 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
  margin-bottom: 40px;
  background-color: #0A0A0A; /* Ensure background is dark for hero */
}

.page-khuyen-mai__hero-image-wrapper {
  order: 1; /* Image first in DOM for "image above text" rule */
  width: 100%;
  max-height: 675px; /* Limit height to maintain aspect ratio */
  overflow: hidden;
  margin-bottom: 30px; /* Space between image and content */
}

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

.page-khuyen-mai__hero-content {
  order: 2; /* Content after image in DOM */
  max-width: 800px;
  padding: 20px 0;
  z-index: 1;
}

.page-khuyen-mai__main-title {
  font-size: clamp(2.2rem, 5vw, 3.5rem); /* Responsive font size for H1 */
  font-weight: 700;
  line-height: 1.2;
  color: #FFD36B; /* Glow color for main title */
  margin-bottom: 20px;
  text-shadow: 0 0 8px rgba(255, 211, 107, 0.6);
}

.page-khuyen-mai__description {
  font-size: 1.1rem;
  margin-bottom: 30px;
  color: #FFF6D6;
}

.page-khuyen-mai__cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  width: 100%; /* Ensure container takes full width for wrapping */
  max-width: 600px;
  margin: 0 auto;
}

.page-khuyen-mai__btn {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  transition: all 0.3s ease;
  cursor: pointer;
  max-width: 100%; /* Button responsiveness */
  box-sizing: border-box;
  white-space: normal; /* Allow text wrapping */
  word-wrap: break-word; /* Allow text wrapping */
  text-align: center;
}

.page-khuyen-mai__btn--primary {
  background: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%);
  color: #0A0A0A; /* Dark text on light button for contrast */
  border: none;
  box-shadow: 0 4px 15px rgba(242, 193, 78, 0.4);
}

.page-khuyen-mai__btn--primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(242, 193, 78, 0.6);
}

.page-khuyen-mai__btn--secondary {
  background: transparent;
  color: #FFD36B;
  border: 2px solid #3A2A12;
}

.page-khuyen-mai__btn--secondary:hover {
  background: rgba(255, 211, 107, 0.1);
  color: #FFD36B;
  transform: translateY(-2px);
}

.page-khuyen-mai__btn--small {
  padding: 8px 20px;
  font-size: 0.9rem;
}

/* General Section Styling */
.page-khuyen-mai__section {
  padding: 60px 0;
  margin-bottom: 40px;
  background-color: #0A0A0A; /* Ensure consistent dark background */
}

.page-khuyen-mai__section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: #FFD36B;
  text-align: center;
  margin-bottom: 40px;
  position: relative;
  padding-bottom: 15px;
}

.page-khuyen-mai__section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, transparent, #F2C14E, transparent);
  border-radius: 2px;
}

.page-khuyen-mai__text-block {
  font-size: 1.05rem;
  color: #FFF6D6;
  margin-bottom: 25px;
  text-align: justify;
}

.page-khuyen-mai__content-image {
  width: 100%;
  height: auto;
  display: block;
  margin: 30px auto;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
  max-width: 680px; /* Max width for blog images */
}

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

.page-khuyen-mai__promo-card {
  background-color: #111111; /* Card BG */
  border: 1px solid #3A2A12; /* Border */
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-khuyen-mai__promo-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
}

.page-khuyen-mai__card-title {
  font-size: 1.4rem;
  color: #F2C14E;
  margin-bottom: 15px;
}

.page-khuyen-mai__card-description {
  font-size: 1rem;
  color: #FFF6D6;
  margin-bottom: 25px;
  flex-grow: 1;
}

/* Lists */
.page-khuyen-mai__list {
  list-style: none;
  padding-left: 0;
  margin-bottom: 25px;
}

.page-khuyen-mai__list-item {
  position: relative;
  padding-left: 30px;
  margin-bottom: 15px;
  color: #FFF6D6;
  font-size: 1.05rem;
}

.page-khuyen-mai__list-item::before {
  content: '✔';
  position: absolute;
  left: 0;
  color: #FFD36B;
  font-weight: bold;
}

/* Event List */
.page-khuyen-mai__event-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
  margin-bottom: 40px;
}

.page-khuyen-mai__event-item {
  background-color: #111111;
  border: 1px solid #3A2A12;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-khuyen-mai__event-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
}

.page-khuyen-mai__event-title {
  font-size: 1.3rem;
  color: #F2C14E;
  margin-bottom: 10px;
}

.page-khuyen-mai__event-description {
  font-size: 1rem;
  color: #FFF6D6;
  margin-bottom: 20px;
}

/* How-to Steps List */
.page-khuyen-mai__steps-list {
  list-style: none;
  padding-left: 0;
  counter-reset: step-counter;
  margin-bottom: 30px;
}

.page-khuyen-mai__steps-list .page-khuyen-mai__list-item {
  padding-left: 50px;
  margin-bottom: 20px;
}

.page-khuyen-mai__steps-list .page-khuyen-mai__list-item::before {
  counter-increment: step-counter;
  content: counter(step-counter);
  position: absolute;
  left: 0;
  top: 0;
  width: 35px;
  height: 35px;
  line-height: 35px;
  border-radius: 50%;
  background-color: #F2C14E;
  color: #0A0A0A;
  font-weight: bold;
  font-size: 1.1rem;
  text-align: center;
  box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

/* FAQ Section */
.page-khuyen-mai__faq-list {
  margin-top: 30px;
  margin-bottom: 40px;
}

.page-khuyen-mai__faq-item {
  background-color: #111111;
  border: 1px solid #3A2A12;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-khuyen-mai__faq-question {
  font-size: 1.15rem;
  color: #F2C14E;
  padding: 20px 25px;
  cursor: default; /* No pointer for non-interactive FAQ */
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0;
}

.page-khuyen-mai__faq-answer {
  font-size: 1rem;
  color: #FFF6D6;
  padding: 0 25px 20px;
  display: block; /* Always visible as it's not interactive */
  text-align: justify;
}

/* Conclusion CTA */
.page-khuyen-mai__conclusion-cta {
  text-align: center;
  padding-top: 80px;
  padding-bottom: 80px;
}

/* Responsive Styles for Desktop (min-width: 769px) */
@media (min-width: 769px) {
  .page-khuyen-mai__hero-section {
    flex-direction: row; /* Desktop: image and content side-by-side */
    text-align: left;
    padding-top: 80px;
    padding-bottom: 80px;
    align-items: center; /* Align items center for visual balance */
  }

  .page-khuyen-mai__hero-image-wrapper {
    order: 2; /* Content first, then image */
    width: 50%;
    margin-left: 40px;
    margin-bottom: 0;
  }

  .page-khuyen-mai__hero-content {
    order: 1;
    width: 50%;
    padding: 0;
    text-align: left;
  }

  .page-khuyen-mai__cta-buttons {
    justify-content: flex-start; /* Align buttons to the left on desktop */
    max-width: none;
    margin: 0;
  }
}

/* Mobile responsive - max-width: 768px */
@media (max-width: 768px) {
  /* 1. Top Section Title + Dual CTA */
  .page-khuyen-mai {
    padding-top: 10px !important; /* Small top padding, relying on shared.css for body padding-top */
  }
  .page-khuyen-mai__hero-section {
    padding-top: 40px;
    padding-bottom: 40px;
  }
  .page-khuyen-mai__main-title {
    font-size: 2.2rem;
    margin-bottom: 15px;
  }
  .page-khuyen-mai__description {
    font-size: 1rem;
    margin-bottom: 20px;
  }
  .page-khuyen-mai__cta-buttons {
    flex-direction: column; /* Buttons stack vertically */
    gap: 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-khuyen-mai__btn {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding: 12px 15px;
  }
  .page-khuyen-mai__hero-image-wrapper {
    margin-bottom: 20px;
  }

  /* 2. Single Column Long Text Container */
  .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__section {
    padding: 30px 0;
    margin-bottom: 20px;
  }
  .page-khuyen-mai__section-title {
    font-size: 1.8rem;
    margin-bottom: 30px;
  }
  .page-khuyen-mai__text-block {
    font-size: 0.95rem;
    margin-bottom: 20px;
  }
  .page-khuyen-mai__promo-cards,
  .page-khuyen-mai__event-list {
    grid-template-columns: 1fr; /* Stack cards/events */
    gap: 20px;
    margin-top: 20px;
    margin-bottom: 20px;
  }
  .page-khuyen-mai__promo-card,
  .page-khuyen-mai__event-item {
    padding: 20px;
  }
  .page-khuyen-mai__card-title,
  .page-khuyen-mai__event-title {
    font-size: 1.2rem;
  }
  .page-khuyen-mai__card-description,
  .page-khuyen-mai__event-description {
    font-size: 0.9rem;
  }

  /* 3. General Images and Figure */
  .page-khuyen-mai img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    margin: 20px auto;
  }

  /* 4. Buttons and Button Containers (re-emphasized for all buttons) */
  .page-khuyen-mai__btn,
  .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;
  }
  .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;
    flex-wrap: wrap !important;
    gap: 10px;
    flex-direction: column; /* Ensure vertical stacking for groups */
  }

  /* 5. Registration Tutorial and FAQ Blocks (FAQ is covered here) */
  .page-khuyen-mai__list-item {
    font-size: 0.95rem;
    margin-bottom: 10px;
  }
  .page-khuyen-mai__list-item::before {
    font-size: 0.9rem;
    width: 25px;
    height: 25px;
    line-height: 25px;
  }
  .page-khuyen-mai__steps-list .page-khuyen-mai__list-item {
    padding-left: 40px;
  }
  .page-khuyen-mai__faq-question {
    font-size: 1rem;
    padding: 15px 20px;
  }
  .page-khuyen-mai__faq-answer {
    font-size: 0.9rem;
    padding: 0 20px 15px;
  }
}