/* style/khuyen-mai.css */
.page-khuyen-mai {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-main, #333333);
  background-color: var(--bg-color, #F5F7FA);
}

.page-khuyen-mai__dark-bg {
  background-color: var(--primary-color, #E53935);
  color: #ffffff;
}

.page-khuyen-mai__light-bg {
  background-color: var(--bg-color, #F5F7FA);
  color: var(--text-main, #333333);
}

.page-khuyen-mai__hero-section {
  padding-top: 10px;
  padding-bottom: 40px;
  text-align: center;
}

.page-khuyen-mai__hero-container {
  max-width: 1170px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  padding: 40px 16px;
  gap: 24px;
  text-align: left;
}

.page-khuyen-mai__hero-content {
  flex: 1 1 50%;
  min-width: 300px;
  padding-right: 20px;
}

.page-khuyen-mai__hero-title {
  font-size: 2.8em;
  font-weight: bold;
  line-height: 1.2;
  margin-bottom: 20px;
  color: #ffffff;
}

.page-khuyen-mai__hero-description {
  font-size: 1.1em;
  margin-bottom: 30px;
  color: #f0f0f0;
}

.page-khuyen-mai__hero-image {
  flex: 1 1 40%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-khuyen-mai__hero-side-image {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  display: block;
}

.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: 1.1em;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}

.page-khuyen-mai__btn-primary {
  background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(255, 90, 79, 0.4);
}

.page-khuyen-mai__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.page-khuyen-mai__btn-secondary {
  background-color: #ffffff;
  color: var(--primary-color, #E53935);
  border: 2px solid var(--primary-color, #E53935);
}

.page-khuyen-mai__btn-secondary:hover {
  background-color: var(--primary-color, #E53935);
  color: #ffffff;
  transform: translateY(-2px);
}

.page-khuyen-mai__btn-small {
  padding: 10px 20px;
  font-size: 1em;
}

.page-khuyen-mai__btn-large {
  padding: 16px 32px;
  font-size: 1.2em;
}

.page-khuyen-mai__content-area,
.page-khuyen-mai__guide-section,
.page-khuyen-mai__faq-section,
.page-khuyen-mai__contact-cta-section,
.page-khuyen-mai__about-section {
  padding: 60px 16px;
  text-align: center;
}

.page-khuyen-mai__section-title {
  font-size: 2.2em;
  font-weight: bold;
  margin-bottom: 20px;
  color: var(--text-main, #333333);
}

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

.page-khuyen-mai__section-description {
  font-size: 1.05em;
  max-width: 800px;
  margin: 0 auto 40px;
  line-height: 1.7;
  color: var(--text-main, #333333);
}

.page-khuyen-mai__dark-bg .page-khuyen-mai__section-description {
  color: #f0f0f0;
}

.page-khuyen-mai__promo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  max-width: 1170px;
  margin: 0 auto;
}

.page-khuyen-mai__promo-card {
  background-color: var(--card-bg, #FFFFFF);
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  text-align: left;
  display: flex;
  flex-direction: column;
  color: var(--text-main, #333333);
}

.page-khuyen-mai__promo-media {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

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

.page-khuyen-mai__promo-card .page-khuyen-mai__card-title {
  font-size: 1.5em;
  font-weight: bold;
  margin: 20px 20px 10px;
  color: var(--text-main, #333333);
}

.page-khuyen-mai__promo-card .page-khuyen-mai__card-text {
  font-size: 0.95em;
  margin: 0 20px 20px;
  flex-grow: 1;
  line-height: 1.6;
  color: #555555;
}

.page-khuyen-mai__promo-card .page-khuyen-mai__btn-primary {
  margin: 0 20px 20px;
  align-self: flex-start;
}

.page-khuyen-mai__guide-container,
.page-khuyen-mai__faq-container,
.page-khuyen-mai__contact-cta-container,
.page-khuyen-mai__about-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 16px;
}

.page-khuyen-mai__guide-list {
  list-style: none;
  padding: 0;
  margin-top: 40px;
  text-align: left;
}

.page-khuyen-mai__guide-list li {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 30px;
  margin-bottom: 20px;
  color: #ffffff;
}

.page-khuyen-mai__guide-step-title {
  font-size: 1.6em;
  font-weight: bold;
  margin-bottom: 10px;
  color: #ffffff;
}

.page-khuyen-mai__guide-step-text {
  font-size: 1em;
  line-height: 1.7;
  color: #f0f0f0;
}

.page-khuyen-mai__faq-list {
  margin-top: 40px;
  text-align: left;
}

.page-khuyen-mai__faq-item {
  background-color: var(--card-bg, #FFFFFF);
  border: 1px solid var(--border-color, #E0E0E0);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: var(--text-main, #333333);
}

.page-khuyen-mai__faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 25px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.15em;
  font-weight: bold;
  color: var(--text-main, #333333);
  position: relative;
}

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

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

.page-khuyen-mai__faq-toggle {
  font-size: 1.5em;
  font-weight: normal;
  line-height: 1;
  width: 20px;
  text-align: center;
  color: var(--primary-color, #E53935);
}

.page-khuyen-mai__faq-answer {
  padding: 0 25px 20px;
  font-size: 1em;
  line-height: 1.7;
  color: #555555;
}

.page-khuyen-mai__contact-cta-section {
  background-color: var(--primary-color, #E53935);
}

.page-khuyen-mai__contact-cta-container {
  padding: 60px 16px;
}

.page-khuyen-mai__about-section .page-khuyen-mai__section-description {
  text-align: left;
}

.page-khuyen-mai__copyright-info {
  padding: 20px 16px;
  text-align: center;
  font-size: 0.9em;
  color: #cccccc;
  background-color: #222222;
}

/* General image responsiveness */
.page-khuyen-mai img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Mobile responsiveness */
@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: 30px;
  }

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

  .page-khuyen-mai__hero-content {
    padding-right: 0;
  }

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

  .page-khuyen-mai__hero-description {
    font-size: 1em;
    margin-bottom: 20px;
  }

  .page-khuyen-mai__cta-buttons {
    flex-direction: column;
    gap: 10px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 0 15px;
  }

  .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__section-title {
    font-size: 1.8em;
    margin-bottom: 15px;
  }

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

  .page-khuyen-mai__content-area,
  .page-khuyen-mai__guide-section,
  .page-khuyen-mai__faq-section,
  .page-khuyen-mai__contact-cta-section,
  .page-khuyen-mai__about-section {
    padding: 40px 15px;
  }

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

  .page-khuyen-mai__promo-card .page-khuyen-mai__card-title,
  .page-khuyen-mai__promo-card .page-khuyen-mai__card-text,
  .page-khuyen-mai__promo-card .page-khuyen-mai__btn-primary {
    margin-left: 15px;
    margin-right: 15px;
  }

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

  .page-khuyen-mai__guide-list li {
    padding: 20px;
  }

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

  .page-khuyen-mai__faq-item summary {
    padding: 15px 20px;
    font-size: 1em;
  }

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

  /* Universal image responsiveness for mobile */
  .page-khuyen-mai img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-khuyen-mai__hero-side-image {
    width: 100% !important;
    height: auto !important;
  }

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

  .page-khuyen-mai__section,
  .page-khuyen-mai__card,
  .page-khuyen-mai__container,
  .page-khuyen-mai__promo-grid,
  .page-khuyen-mai__guide-container,
  .page-khuyen-mai__faq-container,
  .page-khuyen-mai__contact-cta-container,
  .page-khuyen-mai__about-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
}