/* style/khuyen-mai.css */

:root {
  --page-khuyen-mai-primary-color: #113B7A;
  --page-khuyen-mai-secondary-color: #1D5FD1;
  --page-khuyen-mai-text-main: #F3F8FF;
  --page-khuyen-mai-text-secondary: #AFC4E8;
  --page-khuyen-mai-card-bg: #10233F;
  --page-khuyen-mai-border-color: #244D84;
  --page-khuyen-mai-glow-color: #4FA8FF;
  --page-khuyen-mai-gold-color: #F2C14E;
  --page-khuyen-mai-divider-color: #1B3357;
  --page-khuyen-mai-deep-navy: #08162B;
  --page-khuyen-mai-button-gradient: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
}

.page-khuyen-mai {
  color: #333333; /* Default text color for light body background */
  background-color: #f8f9fa;
}

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

.page-khuyen-mai__section-title,
.page-khuyen-mai__hero-title {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--page-khuyen-mai-primary-color);
  margin-bottom: 20px;
  text-align: center;
}

.page-khuyen-mai__section-subtitle,
.page-khuyen-mai__hero-description {
  font-size: 1.1rem;
  line-height: 1.6;
  color: #555555;
  text-align: center;
  margin-bottom: 30px;
}

.page-khuyen-mai__hero-section {
  padding-top: 10px; /* Small top padding, body handles header offset */
  padding-bottom: 60px;
  background-color: #e0f2f7;
}

.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 45%;
  min-width: 300px;
  text-align: left;
  color: #333333;
}

.page-khuyen-mai__hero-title {
  text-align: left;
  color: var(--page-khuyen-mai-primary-color);
  font-size: 3.2rem;
  margin-bottom: 15px;
}

.page-khuyen-mai__hero-description {
  text-align: left;
  font-size: 1.2rem;
  color: #555555;
  margin-bottom: 30px;
}

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

.page-khuyen-mai__hero-side-image {
  max-width: 600px;
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

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

.page-khuyen-mai__btn-primary,
.page-khuyen-mai__btn-secondary,
.page-khuyen-mai__promo-card-button {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1.1rem;
  text-decoration: none;
  transition: all 0.3s ease;
  white-space: normal;
  word-wrap: break-word;
  box-sizing: border-box;
  text-align: center;
}

.page-khuyen-mai__btn-primary {
  background: var(--page-khuyen-mai-button-gradient);
  color: var(--page-khuyen-mai-text-main);
  border: none;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

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

.page-khuyen-mai__btn-secondary {
  background-color: #ffffff;
  color: var(--page-khuyen-mai-primary-color);
  border: 2px solid var(--page-khuyen-mai-primary-color);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

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

.page-khuyen-mai__promo-highlights {
  padding: 60px 0;
  background-color: #f0f8ff;
}

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

.page-khuyen-mai__promo-card {
  background-color: #ffffff;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
}

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

.page-khuyen-mai__promo-card-media {
  width: 100%;
  height: 220px;
  overflow: hidden;
}

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

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

.page-khuyen-mai__promo-card-title {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--page-khuyen-mai-primary-color);
  margin-bottom: 15px;
  line-height: 1.3;
}

.page-khuyen-mai__promo-card-description {
  font-size: 1rem;
  color: #666666;
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-khuyen-mai__promo-card-button {
  background: var(--page-khuyen-mai-button-gradient);
  color: var(--page-khuyen-mai-text-main);
  border: none;
  align-self: flex-start;
  padding: 10px 20px;
  font-size: 1rem;
}

.page-khuyen-mai__promo-card-button:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.page-khuyen-mai__guide-claim {
  padding: 60px 0;
  background-color: #ffffff;
}

.page-khuyen-mai__guide-claim-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 40px;
}

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

.page-khuyen-mai__guide-image {
  flex: 1 1 35%;
  min-width: 300px;
  text-align: center;
}

.page-khuyen-mai__guide-image img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.page-khuyen-mai__guide-list {
  list-style: none;
  padding: 0;
  margin-top: 30px;
}

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

.page-khuyen-mai__guide-step-number {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--page-khuyen-mai-secondary-color);
  color: var(--page-khuyen-mai-text-main);
  font-size: 1.2rem;
  font-weight: 700;
  flex-shrink: 0;
}

.page-khuyen-mai__guide-step-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--page-khuyen-mai-primary-color);
  margin: 0 0 5px 0;
}

.page-khuyen-mai__guide-step-description {
  font-size: 1rem;
  color: #666666;
  line-height: 1.5;
  margin: 0;
}

.page-khuyen-mai__faq-section {
  padding: 60px 0;
  background-color: #e0f2f7;
}

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

.page-khuyen-mai__faq-item {
  background-color: #ffffff;
  border-radius: 8px;
  margin-bottom: 15px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  overflow: hidden;
}

.page-khuyen-mai__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--page-khuyen-mai-primary-color);
  cursor: pointer;
  list-style: none;
  position: relative;
}

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

.page-khuyen-mai__faq-toggle {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--page-khuyen-mai-secondary-color);
  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 25px;
  font-size: 1rem;
  color: #666666;
  line-height: 1.6;
}

.page-khuyen-mai__cta-final {
  padding: 80px 0;
  background: var(--page-khuyen-mai-button-gradient);
  text-align: center;
}

.page-khuyen-mai__cta-final-inner {
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-khuyen-mai__cta-final-title {
  color: var(--page-khuyen-mai-text-main);
  font-size: 2.8rem;
  margin-bottom: 20px;
}

.page-khuyen-mai__cta-final-description {
  color: var(--page-khuyen-mai-text-secondary);
  font-size: 1.2rem;
  line-height: 1.6;
  margin-bottom: 40px;
}

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

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

/* Mobile responsiveness */
@media (max-width: 768px) {
  .page-khuyen-mai__container,
  .page-khuyen-mai__hero-container,
  .page-khuyen-mai__guide-claim-inner,
  .page-khuyen-mai__cta-final-inner {
    padding-left: 15px !important;
    padding-right: 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  /* HERO Section */
  .page-khuyen-mai__hero-section {
    padding-top: 10px !important; /* Specific override for hero section top padding */
    padding-bottom: 40px;
  }

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

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

  .page-khuyen-mai__hero-title {
    font-size: 2rem;
    text-align: center;
  }

  .page-khuyen-mai__hero-description {
    font-size: 1rem;
    text-align: center;
  }

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

  /* Buttons */
  .page-khuyen-mai__btn-primary,
  .page-khuyen-mai__btn-secondary,
  .page-khuyen-mai__promo-card-button,
  .page-khuyen-mai a[class*="button"],
  .page-khuyen-mai a[class*="btn"] {
    max-width: 100% !important;
    width: 100% !important;
    padding: 12px 20px !important;
    font-size: 1rem !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

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

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

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

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

  .page-khuyen-mai__promo-card-description {
    font-size: 0.95rem;
  }

  /* Guide Claim */
  .page-khuyen-mai__guide-claim-inner {
    flex-direction: column-reverse; /* Image above text on mobile */
    gap: 30px;
  }

  .page-khuyen-mai__guide-content,
  .page-khuyen-mai__guide-image {
    flex: 1 1 100%;
  }

  .page-khuyen-mai__guide-step-title {
    font-size: 1.1rem;
  }

  .page-khuyen-mai__guide-step-description {
    font-size: 0.95rem;
  }

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

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

  /* Final CTA */
  .page-khuyen-mai__cta-final-title {
    font-size: 2rem;
  }

  .page-khuyen-mai__cta-final-description {
    font-size: 1rem;
  }

  /* General images */
  .page-khuyen-mai img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  /* Content area containers */
  .page-khuyen-mai__section,
  .page-khuyen-mai__card,
  .page-khuyen-mai__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
}