/* style/khuyen-mai.css */

:root {
  --primary-color: #C91F17;
  --secondary-color: #E53935;
  --card-bg: #D32F2F;
  --background-color: #B71C1C;
  --text-main-color: #FFF5E1;
  --border-color: #F2B544;
  --button-gradient: linear-gradient(180deg, #FFD86A 0%, #E6B800 100%);
  --button-text-color-on-gold: #333333; /* Dark text for contrast on gold gradient */
}

.page-khuyen-mai {
  background-color: var(--background-color);
  color: var(--text-main-color);
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

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

/* Hero Section */
.page-khuyen-mai__hero-section {
  padding-top: 10px; /* Aligns with shared header offset */
  padding-bottom: 40px;
  text-align: center;
}

.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;
  box-sizing: border-box;
}

.page-khuyen-mai__hero-content {
  flex: 1 1 45%;
  min-width: 300px;
  text-align: left;
}

.page-khuyen-mai__hero-title {
  font-size: 3.2em;
  font-weight: bold;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--text-main-color);
}

.page-khuyen-mai__hero-description {
  font-size: 1.1em;
  margin-bottom: 30px;
  color: var(--text-main-color);
}

.page-khuyen-mai__hero-cta-buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.page-khuyen-mai__btn-primary,
.page-khuyen-mai__btn-secondary,
.page-khuyen-mai__btn-card {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  text-align: center;
  cursor: pointer;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

.page-khuyen-mai__btn-primary {
  background: var(--button-gradient);
  color: var(--button-text-color-on-gold);
  border: 2px solid var(--border-color);
}

.page-khuyen-mai__btn-primary:hover {
  filter: brightness(1.1);
  box-shadow: 0 0 15px var(--border-color);
}

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

.page-khuyen-mai__btn-secondary:hover {
  background-color: var(--primary-color);
  color: var(--text-main-color);
}

.page-khuyen-mai__hero-image {
  flex: 1 1 45%;
  min-width: 300px;
  text-align: center;
}

.page-khuyen-mai__hero-image img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

/* General Section Titles */
.page-khuyen-mai__section-title {
  font-size: 2.5em;
  font-weight: bold;
  text-align: center;
  margin-bottom: 20px;
  color: var(--text-main-color);
}

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

/* Promotions Section */
.page-khuyen-mai__promotions-section {
  padding: 60px 0;
}

.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, 0.2);
  display: flex;
  flex-direction: column;
  color: var(--text-main-color);
  border: 1px solid var(--border-color);
}

.page-khuyen-mai__promo-image-wrapper {
  width: 100%;
  height: 200px; /* Fixed height for image consistency */
  overflow: hidden;
}

.page-khuyen-mai__promo-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

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

.page-khuyen-mai__promo-title {
  font-size: 1.5em;
  font-weight: bold;
  margin-bottom: 10px;
  color: var(--text-main-color);
}

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

.page-khuyen-mai__btn-card {
  margin-top: auto;
  background: var(--button-gradient);
  color: var(--button-text-color-on-gold);
  border: 2px solid var(--border-color);
}

.page-khuyen-mai__btn-card:hover {
  filter: brightness(1.1);
  box-shadow: 0 0 10px var(--border-color);
}

/* Why Choose Section */
.page-khuyen-mai__why-choose-section {
  padding: 60px 0;
  background-color: var(--background-color);
}

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

.page-khuyen-mai__benefit-item {
  background-color: var(--card-bg);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  text-align: center;
  color: var(--text-main-color);
  border: 1px solid var(--border-color);
}

.page-khuyen-mai__benefit-title {
  font-size: 1.6em;
  font-weight: bold;
  margin-bottom: 15px;
  color: var(--text-main-color);
}

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

/* FAQ Section */
.page-khuyen-mai__faq-section {
  padding: 60px 0;
}

.page-khuyen-mai__faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.page-khuyen-mai__faq-item {
  background-color: var(--card-bg);
  margin-bottom: 15px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  color: var(--text-main-color);
  border: 1px solid var(--border-color);
}

.page-khuyen-mai__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.2em;
  font-weight: bold;
  cursor: pointer;
  list-style: none;
  color: var(--text-main-color);
  background-color: rgba(255, 255, 255, 0.05); /* Slightly lighter for contrast */
}

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

.page-khuyen-mai__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  margin-left: 15px;
}

.page-khuyen-mai__faq-answer {
  padding: 0 25px 20px;
  font-size: 1em;
  color: var(--text-main-color);
}

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

/* Call to Action Section */
.page-khuyen-mai__cta-section {
  padding: 80px 0;
  text-align: center;
  background-color: var(--primary-color);
  color: var(--text-main-color);
}

.page-khuyen-mai__cta-content {
  max-width: 900px;
  margin: 0 auto;
}

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

.page-khuyen-mai__cta-description {
  font-size: 1.2em;
  margin-bottom: 40px;
  color: var(--text-main-color);
}

/* Global image and container responsive styles */
.page-khuyen-mai img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-khuyen-mai__section,
.page-khuyen-mai__card,
.page-khuyen-mai__container {
  max-width: 100%;
  width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

/* Media Queries for Mobile (max-width: 768px) */
@media (max-width: 768px) {
  .page-khuyen-mai {
    font-size: 15px;
    line-height: 1.5;
  }

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

  /* HERO Section */
  .page-khuyen-mai__hero-section {
    padding-top: 10px !important;
    padding-bottom: 20px;
  }

  .page-khuyen-mai__hero-container {
    flex-direction: column;
    padding: 20px 15px;
    gap: 30px;
  }

  .page-khuyen-mai__hero-content,
  .page-khuyen-mai__hero-image {
    flex: 1 1 100%;
    min-width: unset;
    text-align: center;
  }

  .page-khuyen-mai__hero-title {
    font-size: 2em;
    margin-bottom: 15px;
  }

  .page-khuyen-mai__hero-description {
    font-size: 1em;
    margin-bottom: 25px;
  }

  .page-khuyen-mai__hero-cta-buttons {
    flex-direction: column;
    gap: 15px;
  }

  .page-khuyen-mai__btn-primary,
  .page-khuyen-mai__btn-secondary,
  .page-khuyen-mai__btn-card {
    max-width: 100% !important;
    width: 100% !important;
    padding: 12px 20px;
    font-size: 0.95em;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  /* Promotions Section */
  .page-khuyen-mai__promotions-section {
    padding: 40px 0;
  }

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

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

  .page-khuyen-mai__promo-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }

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

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

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

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

  /* Why Choose Section */
  .page-khuyen-mai__why-choose-section {
    padding: 40px 0;
  }

  .page-khuyen-mai__benefits-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .page-khuyen-mai__benefit-item {
    padding: 25px;
  }

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

  .page-khuyen-mai__benefit-description {
    font-size: 0.9em;
  }

  /* FAQ Section */
  .page-khuyen-mai__faq-section {
    padding: 40px 0;
  }

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

  .page-khuyen-mai__faq-question {
    padding: 15px 20px;
    font-size: 1.1em;
  }

  .page-khuyen-mai__faq-answer {
    padding: 0 20px 15px;
    font-size: 0.95em;
  }

  /* CTA Section */
  .page-khuyen-mai__cta-section {
    padding: 50px 0;
  }

  .page-khuyen-mai__cta-title {
    font-size: 2em;
  }

  .page-khuyen-mai__cta-description {
    font-size: 1.1em;
    margin-bottom: 30px;
  }

  /* Universal Image and Container Mobile Adaptation */
  .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 {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  
  /* Ensure no icon-box-media for this page, but if present, would be handled as below */
  /* .page-khuyen-mai__icon-box-media { width: 200px; height: 200px; } */

  /* Button and Button Container Mobile Adaptation */
  .page-khuyen-mai__cta-button,
  .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;
  }
  
  .page-khuyen-mai__hero-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;
  }
  
  .page-khuyen-mai__hero-cta-buttons {
    flex-direction: column;
  }
}