/* style/khuyen-mai.css */
:root {
  --primary-color: #F2C14E;
  --secondary-color: #FFD36B;
  --card-bg: #111111;
  --page-bg: #0A0A0A;
  --text-main: #FFF6D6;
  --border-color: #3A2A12;
  --glow-color: #FFD36B;
  --button-gradient: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%);
}

.page-khuyen-mai {
  background-color: var(--page-bg);
  color: var(--text-main);
  font-family: Arial, sans-serif;
}

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

.page-khuyen-mai__section-title {
  font-size: 2.5em;
  font-weight: bold;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-khuyen-mai__section-description {
  font-size: 1.1em;
  color: var(--text-main);
  text-align: center;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

/* Hero Section */
.page-khuyen-mai__hero-section {
  padding-top: 10px; /* Adjusted for shared header offset */
  padding-bottom: 60px;
  background-color: var(--page-bg);
}

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

.page-khuyen-mai__hero-content {
  flex: 1 1 50%;
  min-width: 300px;
  color: var(--text-main);
}

.page-khuyen-mai__hero-title {
  font-size: clamp(2.2em, 4vw, 3.5em);
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-khuyen-mai__hero-description {
  font-size: 1.2em;
  margin-bottom: 30px;
  line-height: 1.6;
}

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

.page-khuyen-mai__hero-image {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  display: block;
  margin: 0 auto;
}

/* CTA Buttons */
.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;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: all 0.3s ease;
  white-space: normal;
  word-wrap: break-word;
  box-sizing: border-box;
}

.page-khuyen-mai__btn-primary {
  background: var(--button-gradient);
  color: #ffffff; /* Explicit white for contrast */
  border: 2px solid transparent;
}

.page-khuyen-mai__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 211, 107, 0.4);
}

.page-khuyen-mai__btn-secondary {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.page-khuyen-mai__btn-secondary:hover {
  background: var(--primary-color);
  color: var(--page-bg);
  transform: translateY(-2px);
}

.page-khuyen-mai__btn-small {
  display: inline-block;
  padding: 10px 20px;
  background: var(--button-gradient);
  color: #ffffff;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
  font-size: 0.95em;
  transition: all 0.3s ease;
  white-space: normal;
  word-wrap: break-word;
  box-sizing: border-box;
}

.page-khuyen-mai__btn-small:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.page-khuyen-mai__btn-primary--large {
  padding: 18px 36px;
  font-size: 1.2em;
}

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

.page-khuyen-mai__feature-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  justify-content: center;
}

.page-khuyen-mai__feature-item {
  flex: 1 1 calc(33.333% - 20px);
  min-width: 280px;
  text-align: center;
  background-color: #1a1a1a;
  padding: 30px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  box-sizing: border-box;
}

.page-khuyen-mai__icon-box-media {
  width: 160px;
  height: 160px;
  aspect-ratio: 1 / 1;
  margin: 0 auto 20px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--secondary-color);
  box-shadow: 0 0 15px var(--glow-color);
}

.page-khuyen-mai__icon-box-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 50%;
}

.page-khuyen-mai__feature-title {
  font-size: 1.5em;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.page-khuyen-mai__feature-text {
  font-size: 1em;
  color: var(--text-main);
  line-height: 1.5;
}

/* Promo List Section */
.page-khuyen-mai__promo-list-section {
  padding: 60px 0;
  background-color: var(--page-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: var(--card-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.page-khuyen-mai__promo-image {
  width: 100%;
  height: 220px; /* Fixed height for consistency */
  object-fit: cover;
  display: block;
}

.page-khuyen-mai__promo-content {
  padding: 25px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-khuyen-mai__promo-title {
  font-size: 1.4em;
  color: var(--primary-color);
  margin-bottom: 10px;
  line-height: 1.3;
}

.page-khuyen-mai__promo-text {
  font-size: 0.95em;
  color: var(--text-main);
  margin-bottom: 20px;
  line-height: 1.5;
}

/* Guide Section */
.page-khuyen-mai__guide-section {
  padding: 60px 0;
  background-color: #1a1a1a;
}

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

.page-khuyen-mai__step-item {
  background-color: var(--card-bg);
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.page-khuyen-mai__step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--button-gradient);
  color: #ffffff;
  font-size: 1.8em;
  font-weight: bold;
  margin-bottom: 20px;
  box-shadow: 0 0 10px var(--glow-color);
}

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

.page-khuyen-mai__step-text {
  font-size: 0.95em;
  color: var(--text-main);
  line-height: 1.5;
}

.page-khuyen-mai__cta-wrapper {
  text-align: center;
  margin-top: 40px;
}

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

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

.page-khuyen-mai__faq-item {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.page-khuyen-mai__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.15em;
  font-weight: bold;
  color: var(--primary-color);
  cursor: pointer;
  background-color: #1a1a1a;
  transition: background-color 0.3s ease;
  list-style: none; /* For <summary> */
}

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

.page-khuyen-mai__faq-item[open] .page-khuyen-mai__faq-question {
  background-color: #222;
}

.page-khuyen-mai__faq-question:hover {
  background-color: #222;
}

.page-khuyen-mai__faq-qtext {
  flex-grow: 1;
  margin-right: 15px;
}

.page-khuyen-mai__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  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: var(--text-main);
  line-height: 1.6;
}

/* Final CTA Section */
.page-khuyen-mai__cta-final-section {
  background-image: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('[GALLERY:blog:1920x400:88vv,gold_casino_chips,promotional_background]');
  background-size: cover;
  background-position: center;
  padding: 80px 0;
  text-align: center;
}

.page-khuyen-mai__cta-final-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

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


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

  .page-khuyen-mai__hero-content {
    order: 2;
  }

  .page-khuyen-mai__hero-image-wrapper {
    order: 1;
    margin-bottom: 30px;
  }

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

  .page-khuyen-mai__feature-item {
    flex: 1 1 calc(50% - 15px);
  }
}

@media (max-width: 768px) {
  .page-khuyen-mai__hero-section {
    padding-top: 10px !important;
  }
  
  .page-khuyen-mai__hero-title {
    font-size: clamp(1.8em, 7vw, 2.5em);
  }

  .page-khuyen-mai__section-title {
    font-size: 1.8em;
  }

  .page-khuyen-mai__section-description {
    font-size: 1em;
  }

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

  /* Module 1 Feature Images (Icon Box) */
  .page-khuyen-mai__feature-item {
    flex: 1 1 100%;
    min-width: unset;
  }

  .page-khuyen-mai__icon-box-media {
    width: 140px;
    height: 140px;
    border-width: 2px;
  }

  .page-khuyen-mai__icon-box-media img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
  }

  /* Promo Cards */
  .page-khuyen-mai__promo-grid {
    grid-template-columns: 1fr;
  }

  .page-khuyen-mai__promo-image {
    height: 180px;
  }

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

  .page-khuyen-mai__promo-text {
    font-size: 0.9em;
  }

  /* Guide Steps */
  .page-khuyen-mai__guide-steps {
    grid-template-columns: 1fr;
  }

  .page-khuyen-mai__step-number {
    width: 50px;
    height: 50px;
    font-size: 1.5em;
  }

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

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

  .page-khuyen-mai__faq-answer {
    padding: 0 20px 15px;
  }

  /* General Images and Containers */
  .page-khuyen-mai img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  
  .page-khuyen-mai__container,
  .page-khuyen-mai__hero-container,
  .page-khuyen-mai__feature-grid,
  .page-khuyen-mai__promo-grid,
  .page-khuyen-mai__guide-steps,
  .page-khuyen-mai__faq-list,
  .page-khuyen-mai__cta-final-content {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
  }

  /* Buttons and Button Containers */
  .page-khuyen-mai__btn-primary,
  .page-khuyen-mai__btn-secondary,
  .page-khuyen-mai__btn-small,
  .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: 0px !important; /* Inner buttons already have padding, container can be 0 */
    padding-right: 0px !important;
    flex-direction: column !important; /* Stack buttons vertically */
    gap: 10px !important;
  }

  .page-khuyen-mai__cta-final-section {
    background-image: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('[GALLERY:blog:800x400:88vv,gold_casino_chips,promotional_background_mobile]');
  }
}