/* style/khuyen-mai.css */

:root {
  --page-khuyen-mai-primary-color: #26A9E0;
  --page-khuyen-mai-secondary-color: #FFFFFF;
  --page-khuyen-mai-text-dark: #333333;
  --page-khuyen-mai-text-light: #ffffff;
  --page-khuyen-mai-button-login: #EA7C07;
}

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

.page-khuyen-mai__content-area {
  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(--page-khuyen-mai-primary-color);
  text-align: center;
  margin-bottom: 30px;
  line-height: 1.2;
}

.page-khuyen-mai__text-block {
  font-size: 1.1em;
  margin-bottom: 20px;
  text-align: justify;
}

/* Buttons */
.page-khuyen-mai__btn-primary,
.page-khuyen-mai__btn-secondary {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  cursor: pointer;
  text-align: center;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

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

.page-khuyen-mai__btn-primary:hover {
  background-color: #1a8cc4;
  border-color: #1a8cc4;
}

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

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

.page-khuyen-mai__btn-small {
  padding: 8px 18px;
  font-size: 0.9em;
}

.page-khuyen-mai__btn-large {
  padding: 15px 30px;
  font-size: 1.2em;
}

/* Dark/Light Sections */
.page-khuyen-mai__dark-section {
  background-color: var(--page-khuyen-mai-primary-color);
  color: var(--page-khuyen-mai-text-light);
}

.page-khuyen-mai__dark-section .page-khuyen-mai__section-title,
.page-khuyen-mai__dark-section .page-khuyen-mai__hero-title {
  color: var(--page-khuyen-mai-text-light);
}

.page-khuyen-mai__light-bg {
  background-color: var(--page-khuyen-mai-secondary-color);
  color: var(--page-khuyen-mai-text-dark);
}

/* Hero Section */
.page-khuyen-mai__hero-section {
  padding-top: 10px; /* Small top padding to respect shared header offset */
  padding-bottom: 60px;
  text-align: center;
}

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

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

.page-khuyen-mai__hero-title {
  font-size: clamp(2.5em, 4vw, 3.5em);
  font-weight: 800;
  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-cta-buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: flex-start;
}

.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: 10px;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

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

/* Promo Types Section */
.page-khuyen-mai__promo-types-section {
  padding: 60px 0;
}

.page-khuyen-mai__promo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-khuyen-mai__promo-card {
  background-color: var(--page-khuyen-mai-secondary-color);
  color: var(--page-khuyen-mai-text-dark);
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-khuyen-mai__promo-card:hover {
  transform: translateY(-5px);
}

.page-khuyen-mai__icon-box-media {
  width: 200px;
  height: 200px;
  aspect-ratio: 1 / 1;
  margin: 0 auto 20px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid var(--page-khuyen-mai-primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-khuyen-mai__icon-box-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
  filter: none; /* Ensure no CSS filter changes image color */
}

.page-khuyen-mai__card-title {
  font-size: 1.5em;
  font-weight: bold;
  color: var(--page-khuyen-mai-primary-color);
  margin-bottom: 15px;
}

.page-khuyen-mai__card-description {
  font-size: 1em;
  line-height: 1.5;
  margin-bottom: 20px;
  flex-grow: 1;
}

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

.page-khuyen-mai__guide-layout {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 40px;
  margin-top: 40px;
}

.page-khuyen-mai__guide-steps {
  flex: 1 1 55%;
  min-width: 300px;
}

.page-khuyen-mai__guide-step {
  display: flex;
  align-items: flex-start;
  margin-bottom: 25px;
  gap: 15px;
}

.page-khuyen-mai__step-number {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background-color: var(--page-khuyen-mai-primary-color);
  color: var(--page-khuyen-mai-text-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4em;
  font-weight: bold;
}

.page-khuyen-mai__step-title {
  font-size: 1.4em;
  font-weight: bold;
  color: var(--page-khuyen-mai-primary-color);
  margin-bottom: 5px;
}

.page-khuyen-mai__step-description {
  font-size: 1em;
  line-height: 1.5;
  color: var(--page-khuyen-mai-text-dark);
}

.page-khuyen-mai__guide-image {
  flex: 1 1 35%;
  min-width: 250px;
  text-align: center;
}

.page-khuyen-mai__guide-visual {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  filter: none; /* Ensure no CSS filter changes image color */
}

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

.page-khuyen-mai__terms-content {
  margin-top: 40px;
}

.page-khuyen-mai__terms-list {
  list-style: disc;
  margin-left: 20px;
  margin-bottom: 30px;
  font-size: 1.1em;
}

.page-khuyen-mai__terms-list li {
  margin-bottom: 10px;
  color: var(--page-khuyen-mai-text-dark);
}

.page-khuyen-mai__terms-list a {
  color: var(--page-khuyen-mai-primary-color);
  text-decoration: underline;
}

.page-khuyen-mai__terms-image {
  text-align: center;
  margin-top: 30px;
}

.page-khuyen-mai__terms-visual {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  filter: none; /* Ensure no CSS filter changes image color */
}

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

.page-khuyen-mai__faq-list {
  margin-top: 40px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-khuyen-mai__faq-item {
  background-color: var(--page-khuyen-mai-secondary-color);
  color: var(--page-khuyen-mai-text-dark);
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.page-khuyen-mai__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.2em;
  font-weight: bold;
  color: var(--page-khuyen-mai-primary-color);
  cursor: pointer;
  background-color: #f9f9f9;
  border-bottom: 1px solid #e0e0e0;
  list-style: none; /* For details/summary */
}

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

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

.page-khuyen-mai__faq-toggle {
  font-size: 1.5em;
  margin-left: 15px;
  color: var(--page-khuyen-mai-primary-color);
}

.page-khuyen-mai__faq-answer {
  padding: 15px 25px 20px;
  font-size: 1em;
  line-height: 1.6;
  color: var(--page-khuyen-mai-text-dark);
}

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

.page-khuyen-mai__faq-image {
  text-align: center;
  margin-top: 30px;
}

.page-khuyen-mai__faq-visual {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  filter: none; /* Ensure no CSS filter changes image color */
}

/* CTA Section */
.page-khuyen-mai__cta-section {
  padding: 80px 0;
  text-align: center;
}

.page-khuyen-mai__cta-content {
  max-width: 800px;
  margin: 0 auto;
}

.page-khuyen-mai__cta-buttons {
  margin-top: 40px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-khuyen-mai__hero-title {
    font-size: clamp(2em, 5vw, 3em);
  }
  .page-khuyen-mai__section-title {
    font-size: 2em;
  }
  .page-khuyen-mai__hero-container {
    flex-direction: column-reverse;
    text-align: center;
  }
  .page-khuyen-mai__hero-content {
    text-align: center;
  }
  .page-khuyen-mai__hero-cta-buttons {
    justify-content: center;
  }
  .page-khuyen-mai__guide-layout {
    flex-direction: column;
  }
  .page-khuyen-mai__guide-steps, .page-khuyen-mai__guide-image {
    flex: 1 1 100%;
  }
}

@media (max-width: 768px) {
  /* General */
  .page-khuyen-mai__content-area {
    padding: 20px 15px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-khuyen-mai__hero-section {
    padding-top: 10px !important;
    padding-bottom: 30px !important;
  }

  .page-khuyen-mai__section-title {
    font-size: 1.8em !important;
    margin-bottom: 20px !important;
  }

  .page-khuyen-mai__text-block {
    font-size: 1em !important;
  }

  /* Buttons */
  .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__cta-buttons {
    flex-direction: column !important;
    gap: 15px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* Images */
  .page-khuyen-mai img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
    filter: none !important; /* Ensure no CSS filter changes image color */
  }
  .page-khuyen-mai__hero-main-image,
  .page-khuyen-mai__guide-visual,
  .page-khuyen-mai__terms-visual,
  .page-khuyen-mai__faq-visual {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    box-shadow: none !important;
  }

  /* Module 1: Icon Box Media (circular images) */
  .page-khuyen-mai__icon-box-media {
    width: 150px !important;
    height: 150px !important;
    margin-bottom: 15px !important;
    border-width: 3px !important;
  }
  .page-khuyen-mai__icon-box-media img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
  }

  /* Hero Section */
  .page-khuyen-mai__hero-container {
    gap: 20px !important;
    padding: 20px 15px !important;
  }
  .page-khuyen-mai__hero-title {
    font-size: 2em !important;
    margin-bottom: 15px !important;
  }
  .page-khuyen-mai__hero-description {
    font-size: 1em !important;
    margin-bottom: 20px !important;
  }

  /* Promo Types Section */
  .page-khuyen-mai__promo-grid {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }
  .page-khuyen-mai__promo-card {
    padding: 20px !important;
  }
  .page-khuyen-mai__card-title {
    font-size: 1.3em !important;
  }

  /* Guide Section */
  .page-khuyen-mai__guide-section {
    padding: 30px 0 !important;
  }
  .page-khuyen-mai__guide-step {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 10px;
  }
  .page-khuyen-mai__step-number {
    width: 35px;
    height: 35px;
    font-size: 1.2em;
  }
  .page-khuyen-mai__step-title {
    font-size: 1.2em;
  }
  .page-khuyen-mai__guide-image {
    order: -1; /* Move image above steps on mobile */
    margin-bottom: 20px;
  }

  /* Terms Section */
  .page-khuyen-mai__terms-section {
    padding: 30px 0 !important;
  }
  .page-khuyen-mai__terms-list {
    font-size: 1em !important;
    margin-left: 15px !important;
  }

  /* FAQ Section */
  .page-khuyen-mai__faq-section {
    padding: 30px 0 !important;
  }
  .page-khuyen-mai__faq-item {
    margin-bottom: 10px !important;
  }
  .page-khuyen-mai__faq-question {
    padding: 15px 20px !important;
    font-size: 1.1em !important;
  }
  .page-khuyen-mai__faq-toggle {
    font-size: 1.3em !important;
  }
  .page-khuyen-mai__faq-answer {
    padding: 10px 20px 15px !important;
    font-size: 0.95em !important;
  }
  .page-khuyen-mai__faq-list {
    margin-top: 20px !important;
  }

  /* CTA Section */
  .page-khuyen-mai__cta-section {
    padding: 40px 0 !important;
  }
  .page-khuyen-mai__cta-buttons {
    margin-top: 20px !important;
  }
}