/* style/khuyen-mai-hoan-tra.css */

:root {
  --primary-color: #E53935;
  --secondary-color: #FF5A4F;
  --text-main-color: #333333;
  --card-bg-color: #FFFFFF;
  --page-bg-color: #F5F7FA;
  --border-color: #E0E0E0;
  --gradient-button: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%);
}

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

/* General Content Area */
.page-khuyen-mai-hoan-tra__content-area {
  max-width: 1170px;
  margin: 0 auto;
  padding: 40px 16px;
  box-sizing: border-box;
}

.page-khuyen-mai-hoan-tra__content-area--center {
  text-align: center;
}

.page-khuyen-mai-hoan-tra__section-title {
  font-size: 38px;
  font-weight: bold;
  color: var(--primary-color);
  margin-bottom: 30px;
  text-align: center;
  line-height: 1.2;
}

.page-khuyen-mai-hoan-tra__text-block {
  font-size: 17px;
  line-height: 1.6;
  margin-bottom: 20px;
  text-align: justify;
}

.page-khuyen-mai-hoan-tra__subtitle {
  font-size: 24px;
  font-weight: bold;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.page-khuyen-mai-hoan-tra__list {
  list-style-type: disc;
  margin-left: 20px;
  margin-bottom: 20px;
  line-height: 1.6;
  font-size: 16px;
}

.page-khuyen-mai-hoan-tra__list--ordered {
  list-style-type: decimal;
}

.page-khuyen-mai-hoan-tra__list li {
  margin-bottom: 8px;
}

/* Buttons */
.page-khuyen-mai-hoan-tra__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
  flex-wrap: wrap;
  width: 100%; /* Ensure container takes full width */
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.page-khuyen-mai-hoan-tra__btn-primary,
.page-khuyen-mai-hoan-tra__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 30px;
  border-radius: 8px;
  font-size: 18px;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal; /* Allow text wrapping */
  word-wrap: break-word; /* Allow word breaking */
}

.page-khuyen-mai-hoan-tra__btn-primary {
  background: var(--gradient-button);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(229, 57, 53, 0.4);
}

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

.page-khuyen-mai-hoan-tra__btn-secondary {
  background: var(--card-bg-color);
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.page-khuyen-mai-hoan-tra__btn-secondary:hover {
  background: var(--primary-color);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(229, 57, 53, 0.2);
}

.page-khuyen-mai-hoan-tra__btn-full-width {
  width: 100%;
  margin-top: 20px;
}

/* Images */
.page-khuyen-mai-hoan-tra img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Hero Section */
.page-khuyen-mai-hoan-tra__hero-section {
  padding-top: 10px; /* Small top padding, body handles header offset */
  padding-bottom: 60px;
  background-color: var(--card-bg-color);
}

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

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

.page-khuyen-mai-hoan-tra__main-title {
  font-size: clamp(32px, 4vw, 48px); /* Responsive H1 font size */
  font-weight: 900;
  color: var(--primary-color);
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-khuyen-mai-hoan-tra__hero-description {
  font-size: 18px;
  line-height: 1.7;
  margin-bottom: 30px;
}

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

.page-khuyen-mai-hoan-tra__hero-side-image {
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* Intro Section (Module 1) */
.page-khuyen-mai-hoan-tra__intro-section {
  background-color: var(--page-bg-color);
  padding: 60px 0;
}

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

.page-khuyen-mai-hoan-tra__feature-item {
  background: var(--card-bg-color);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
  border: 1px solid var(--border-color);
}

.page-khuyen-mai-hoan-tra__feature-item:hover {
  transform: translateY(-5px);
}

.page-khuyen-mai-hoan-tra__icon-box-media {
  width: 180px;
  height: 180px;
  aspect-ratio: 1 / 1;
  margin: 0 auto 20px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid var(--secondary-color);
  box-shadow: 0 0 0 8px rgba(255, 90, 79, 0.2);
}

.page-khuyen-mai-hoan-tra__icon-box-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%; /* Ensure image itself is circular */
}

.page-khuyen-mai-hoan-tra__feature-title {
  font-size: 22px;
  font-weight: bold;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.page-khuyen-mai-hoan-tra__feature-description {
  font-size: 16px;
  line-height: 1.6;
  color: #555;
}

/* Details Section */
.page-khuyen-mai-hoan-ra__details-section {
  background: var(--primary-color);
  padding: 60px 0;
  color: #ffffff;
}

.page-khuyen-mai-hoan-ra__details-section .page-khuyen-mai-hoan-tra__section-title,
.page-khuyen-mai-hoan-ra__details-section .page-khuyen-mai-hoan-tra__subtitle {
  color: #ffffff;
}

.page-khuyen-mai-hoan-ra__details-section .page-khuyen-mai-hoan-tra__text-block {
  color: #f0f0f0;
}

.page-khuyen-mai-hoan-ra__details-section .page-khuyen-mai-hoan-tra__list li {
  color: #f0f0f0;
}

.page-khuyen-mai-hoan-tra__grid-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  margin-top: 40px;
}

.page-khuyen-mai-hoan-tra__column-item {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

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

.page-khuyen-mai-hoan-tra__reason-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-khuyen-mai-hoan-tra__card {
  background: var(--card-bg-color);
  border-radius: 12px;
  padding: 25px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease;
  color: var(--text-main-color);
}

.page-khuyen-mai-hoan-tra__card:hover {
  transform: translateY(-5px);
}

.page-khuyen-mai-hoan-tra__card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
}

.page-khuyen-mai-hoan-tra__card-title {
  font-size: 20px;
  font-weight: bold;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.page-khuyen-mai-hoan-tra__card-description {
  font-size: 16px;
  line-height: 1.6;
  color: #555;
}

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

.page-khuyen-mai-hoan-tra__faq-list {
  margin-top: 40px;
}

.page-khuyen-mai-hoan-tra__faq-item {
  background: var(--page-bg-color);
  border-radius: 8px;
  margin-bottom: 15px;
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.page-khuyen-mai-hoan-tra__faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 18px;
  font-weight: bold;
  color: var(--primary-color);
  cursor: pointer;
  list-style: none;
  background: var(--card-bg-color);
  border-bottom: 1px solid var(--border-color);
}

.page-khuyen-mai-hoan-tra__faq-item summary::-webkit-details-marker {
  display: none;
}

.page-khuyen-mai-hoan-tra__faq-qtext {
  flex-grow: 1;
}

.page-khuyen-mai-hoan-tra__faq-toggle {
  font-size: 24px;
  line-height: 1;
  margin-left: 15px;
  color: var(--primary-color);
}

.page-khuyen-mai-hoan-tra__faq-answer {
  padding: 15px 25px 20px;
  font-size: 16px;
  line-height: 1.6;
  color: #555;
  background: var(--page-bg-color);
}

/* Final CTA Section */
.page-khuyen-mai-hoan-tra__cta-final-section {
  background: var(--primary-color);
  padding: 60px 0;
  color: #ffffff;
  text-align: center;
}

.page-khuyen-mai-hoan-tra__cta-final-section .page-khuyen-mai-hoan-tra__section-title {
  color: #ffffff;
}

.page-khuyen-mai-hoan-tra__cta-final-section .page-khuyen-mai-hoan-tra__text-block {
  color: #f0f0f0;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-khuyen-mai-hoan-tra__cta-final-section .page-khuyen-mai-hoan-tra__btn-secondary {
  background: #ffffff;
  color: var(--primary-color);
  border: 2px solid #ffffff;
}

.page-khuyen-mai-hoan-tra__cta-final-section .page-khuyen-mai-hoan-tra__btn-secondary:hover {
  background: var(--secondary-color);
  color: #ffffff;
  border-color: var(--secondary-color);
}

/* Mobile Responsiveness */
@media (max-width: 1024px) {
  .page-khuyen-mai-hoan-tra__hero-container {
    flex-direction: column;
    text-align: center;
  }
  .page-khuyen-mai-hoan-tra__hero-content,
  .page-khuyen-mai-hoan-tra__hero-image {
    flex: 1 1 100%;
  }
  .page-khuyen-mai-hoan-tra__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }
  .page-khuyen-mai-hoan-tra__btn-primary,
  .page-khuyen-mai-hoan-tra__btn-secondary {
    width: 100%;
  }
}

@media (max-width: 768px) {
  /* HERO Section */
  .page-khuyen-mai-hoan-tra__hero-section {
    padding-top: 10px !important;
    padding-bottom: 30px;
  }
  .page-khuyen-mai-hoan-tra__hero-container {
    padding: 20px 15px;
    gap: 20px;
  }
  .page-khuyen-mai-hoan-tra__main-title {
    font-size: 28px;
    margin-bottom: 15px;
  }
  .page-khuyen-mai-hoan-tra__hero-description {
    font-size: 16px;
    margin-bottom: 20px;
  }
  .page-khuyen-mai-hoan-tra__cta-buttons {
    flex-direction: column !important;
    gap: 10px !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-khuyen-mai-hoan-tra__btn-primary,
  .page-khuyen-mai-hoan-tra__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 12px 20px !important;
    font-size: 16px !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  /* General Content Area */
  .page-khuyen-mai-hoan-tra__content-area {
    padding: 30px 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-khuyen-mai-hoan-tra__section-title {
    font-size: 26px;
    margin-bottom: 20px;
  }
  .page-khuyen-mai-hoan-tra__text-block {
    font-size: 15px;
  }
  .page-khuyen-mai-hoan-tra__subtitle {
    font-size: 20px;
  }
  .page-khuyen-mai-hoan-tra__list {
    font-size: 15px;
    margin-left: 15px;
  }

  /* Module 1 - Intro Section */
  .page-khuyen-mai-hoan-tra__intro-section {
    padding: 40px 0;
  }
  .page-khuyen-mai-hoan-tra__features-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-khuyen-mai-hoan-tra__icon-box-media {
    width: 160px;
    height: 160px;
    border: 3px solid var(--secondary-color);
    box-shadow: 0 0 0 6px rgba(255, 90, 79, 0.2);
  }
  .page-khuyen-mai-hoan-tra__feature-title {
    font-size: 20px;
  }
  .page-khuyen-mai-hoan-tra__feature-description {
    font-size: 15px;
  }

  /* Details Section */
  .page-khuyen-mai-hoan-ra__details-section {
    padding: 40px 0;
  }
  .page-khuyen-mai-hoan-tra__grid-columns {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .page-khuyen-mai-hoan-tra__column-item {
    padding: 25px;
  }

  /* Why Choose Section */
  .page-khuyen-mai-hoan-tra__why-choose-section {
    padding: 40px 0;
  }
  .page-khuyen-mai-hoan-tra__reason-cards {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-khuyen-mai-hoan-tra__card {
    padding: 20px;
  }
  .page-khuyen-mai-hoan-tra__card-image {
    height: 180px;
  }
  .page-khuyen-mai-hoan-tra__card-title {
    font-size: 18px;
  }
  .page-khuyen-mai-hoan-tra__card-description {
    font-size: 15px;
  }

  /* FAQ Section */
  .page-khuyen-mai-hoan-tra__faq-section {
    padding: 40px 0;
  }
  .page-khuyen-mai-hoan-tra__faq-item summary {
    padding: 15px 20px;
    font-size: 16px;
  }
  .page-khuyen-mai-hoan-tra__faq-toggle {
    font-size: 20px;
  }
  .page-khuyen-mai-hoan-tra__faq-answer {
    padding: 10px 20px 15px;
    font-size: 15px;
  }

  /* Final CTA Section */
  .page-khuyen-mai-hoan-tra__cta-final-section {
    padding: 40px 0;
  }
  .page-khuyen-mai-hoan-tra__cta-final-section .page-khuyen-mai-hoan-tra__text-block {
    font-size: 16px;
  }

  /* Universal Image Adaption for mobile */
  .page-khuyen-mai-hoan-tra img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-khuyen-mai-hoan-tra__section,
  .page-khuyen-mai-hoan-tra__card,
  .page-khuyen-mai-hoan-tra__container,
  .page-khuyen-mai-hoan-tra__column-item,
  .page-khuyen-mai-hoan-tra__feature-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  /* Exception for circular images in Module 1 */
  .page-khuyen-mai-hoan-tra__icon-box-media {
    width: 160px !important;
    height: 160px !important;
    aspect-ratio: 1 / 1 !important;
  }
}