/* style/khuyen-mai.css */

:root {
  --mv88-primary-color: #FF8C1A;
  --mv88-secondary-color: #FFA53A;
  --mv88-card-bg: #17191F;
  --mv88-background: #0D0E12;
  --mv88-text-main: #FFF3E6;
  --mv88-border-color: #A84F0C;
  --mv88-glow-color: #FFB04D;
  --mv88-deep-orange: #D96800;
}

.page-khuyen-mai {
  color: var(--mv88-text-main); /* Default text color for dark body background */
  background-color: var(--mv88-background);
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

.page-khuyen-mai__hero-section {
  padding-top: 10px; /* Small top padding, relying on body for header offset */
  padding-bottom: 60px;
  background-color: var(--mv88-background);
  position: relative;
  overflow: hidden;
}

.page-khuyen-mai__hero-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 40px;
  padding: 40px 20px;
  position: relative;
  z-index: 1;
}

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

.page-khuyen-mai__main-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--mv88-primary-color);
  text-shadow: 0 0 8px rgba(255, 140, 26, 0.5);
}

.page-khuyen-mai__description {
  font-size: 1.1rem;
  margin-bottom: 30px;
  color: var(--mv88-text-main);
}

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

.page-khuyen-mai__btn {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.05rem;
  transition: all 0.3s ease;
  box-sizing: border-box;
  text-align: center;
}

.page-khuyen-mai__btn-primary {
  background: linear-gradient(180deg, var(--mv88-secondary-color) 0%, var(--mv88-deep-orange) 100%);
  color: var(--mv88-text-main);
  border: 2px solid transparent;
  box-shadow: 0 4px 15px rgba(255, 140, 26, 0.4);
}

.page-khuyen-mai__btn-primary:hover {
  background: linear-gradient(180deg, var(--mv88-deep-orange) 0%, var(--mv88-secondary-color) 100%);
  box-shadow: 0 6px 20px rgba(255, 140, 26, 0.6);
  transform: translateY(-2px);
}

.page-khuyen-mai__btn-secondary {
  background-color: transparent;
  color: var(--mv88-primary-color);
  border: 2px solid var(--mv88-primary-color);
}

.page-khuyen-mai__btn-secondary:hover {
  background-color: var(--mv88-primary-color);
  color: var(--mv88-text-main);
  transform: translateY(-2px);
}

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

.page-khuyen-mai__hero-side-image {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
}

.page-khuyen-mai__intro-section,
.page-khuyen-mai__terms-section,
.page-khuyen-mai__outro-section {
  padding: 80px 0;
  background-color: var(--mv88-background);
}

.page-khuyen-mai__guide-section,
.page-khuyen-mai__faq-section {
  padding: 80px 0;
  background-color: var(--mv88-card-bg);
}

.page-khuyen-mai__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-khuyen-mai__section-title {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 20px;
  color: var(--mv88-primary-color);
  text-shadow: 0 0 5px rgba(255, 140, 26, 0.3);
}

.page-khuyen-mai__section-description {
  font-size: 1.1rem;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px;
  color: var(--mv88-text-main);
}

.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(--mv88-card-bg);
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--mv88-border-color);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-khuyen-mai__promo-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(255, 140, 26, 0.2);
}

.page-khuyen-mai__card-icon {
  width: 120px;
  height: 120px;
  margin: 0 auto 20px;
  border-radius: 50%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 165, 58, 0.1);
  border: 2px solid var(--mv88-primary-color);
}

.page-khuyen-mai__card-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}

.page-khuyen-mai__card-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--mv88-primary-color);
}

.page-khuyen-mai__card-text {
  font-size: 1rem;
  color: var(--mv88-text-main);
  margin-bottom: 25px;
}

.page-khuyen-mai__btn-card {
  background: linear-gradient(180deg, var(--mv88-secondary-color) 0%, var(--mv88-deep-orange) 100%);
  color: var(--mv88-text-main);
  border: none;
  padding: 10px 25px;
  font-size: 0.95rem;
  border-radius: 6px;
}

.page-khuyen-mai__btn-card:hover {
  background: linear-gradient(180deg, var(--mv88-deep-orange) 0%, var(--mv88-secondary-color) 100%);
  transform: translateY(-2px);
}

.page-khuyen-mai__guide-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-khuyen-mai__step-item {
  background-color: var(--mv88-background);
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--mv88-border-color);
}

.page-khuyen-mai__step-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--mv88-primary-color);
  margin-bottom: 15px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(255, 140, 26, 0.1);
  border: 2px solid var(--mv88-primary-color);
}

.page-khuyen-mai__step-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--mv88-primary-color);
}

.page-khuyen-mai__step-description {
  font-size: 1rem;
  color: var(--mv88-text-main);
}

.page-khuyen-mai__step-description a {
  color: var(--mv88-secondary-color);
  text-decoration: none;
}

.page-khuyen-mai__step-description a:hover {
  text-decoration: underline;
}

.page-khuyen-mai__terms-list {
  list-style: disc inside;
  font-size: 1.05rem;
  color: var(--mv88-text-main);
  max-width: 900px;
  margin: 40px auto 0;
  padding-left: 20px;
}

.page-khuyen-mai__terms-list li {
  margin-bottom: 15px;
  line-height: 1.8;
}

.page-khuyen-mai__terms-list a {
  color: var(--mv88-secondary-color);
  text-decoration: none;
}

.page-khuyen-mai__terms-list a:hover {
  text-decoration: underline;
}

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

.page-khuyen-mai__faq-item {
  background-color: var(--mv88-background);
  border: 1px solid var(--mv88-border-color);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-khuyen-mai__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--mv88-primary-color);
  cursor: pointer;
  background-color: var(--mv88-card-bg);
  transition: background-color 0.3s ease;
  list-style: none;
}

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

.page-khuyen-mai__faq-question:hover {
  background-color: rgba(255, 140, 26, 0.1);
}

.page-khuyen-mai__faq-toggle {
  font-size: 1.8rem;
  line-height: 1;
  color: var(--mv88-secondary-color);
}

.page-khuyen-mai__faq-answer {
  padding: 0 25px 20px;
  font-size: 1rem;
  color: var(--mv88-text-main);
  line-height: 1.7;
}

.page-khuyen-mai__cta-faq {
    text-align: center;
    margin-top: 40px;
}

.page-khuyen-mai img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Mobile responsiveness */
@media (max-width: 1024px) {
  .page-khuyen-mai__hero-container {
    gap: 30px;
    padding: 30px 15px;
  }

  .page-khuyen-mai__main-title {
    font-size: clamp(2rem, 5vw, 3rem);
  }

  .page-khuyen-mai__description {
    font-size: 1rem;
  }

  .page-khuyen-mai__btn {
    padding: 12px 25px;
    font-size: 1rem;
  }

  .page-khuyen-mai__section-title {
    font-size: clamp(1.6rem, 4vw, 2.5rem);
  }

  .page-khuyen-mai__section-description {
    font-size: 1rem;
    margin-bottom: 30px;
  }

  .page-khuyen-mai__promo-grid,
  .page-khuyen-mai__guide-steps {
    gap: 20px;
  }

  .page-khuyen-mai__promo-card,
  .page-khuyen-mai__step-item {
    padding: 25px;
  }

  .page-khuyen-mai__card-title {
    font-size: 1.3rem;
  }

  .page-khuyen-mai__card-text {
    font-size: 0.95rem;
  }

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

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

  .page-khuyen-mai__terms-list {
    font-size: 1rem;
    margin-top: 30px;
  }

  .page-khuyen-mai__faq-question {
    padding: 18px 20px;
    font-size: 1.1rem;
  }

  .page-khuyen-mai__faq-answer {
    padding: 0 20px 18px;
    font-size: 0.95rem;
  }
}

@media (max-width: 768px) {
  /* HERO Section */
  .page-khuyen-mai__hero-section {
    padding-top: 10px !important; /* Small top padding, relying on body for header offset */
    padding-bottom: 40px;
  }

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

  .page-khuyen-mai__hero-content {
    flex: 1 1 100%;
    text-align: center;
    order: 2; /* Content below image */
  }

  .page-khuyen-mai__hero-image {
    flex: 1 1 100%;
    order: 1; /* Image above content */
  }

  .page-khuyen-mai__main-title {
    font-size: clamp(1.8rem, 7vw, 2.5rem);
    margin-bottom: 15px;
  }

  .page-khuyen-mai__description {
    font-size: 1rem;
    margin-bottom: 25px;
  }

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

  .page-khuyen-mai__btn,
  .page-khuyen-mai__btn-primary,
  .page-khuyen-mai__btn-secondary {
    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;
  }

  /* General Sections Padding */
  .page-khuyen-mai__intro-section,
  .page-khuyen-mai__terms-section,
  .page-khuyen-mai__outro-section,
  .page-khuyen-mai__guide-section,
  .page-khuyen-mai__faq-section {
    padding: 50px 0;
  }

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

  .page-khuyen-mai__section-title {
    font-size: clamp(1.5rem, 6vw, 2.2rem);
    margin-bottom: 15px;
  }

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

  /* Promo Grid (Module 1 equivalent) */
  .page-khuyen-mai__promo-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-khuyen-mai__promo-card {
    padding: 25px;
  }

  .page-khuyen-mai__card-icon {
    width: 100px;
    height: 100px;
    margin-bottom: 15px;
  }

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

  .page-khuyen-mai__card-text {
    font-size: 0.9rem;
    margin-bottom: 20px;
  }

  .page-khuyen-mai__btn-card {
    padding: 10px 20px;
    font-size: 0.9rem;
  }

  /* Guide Steps (similar to three-column layout) */
  .page-khuyen-mai__guide-steps {
    grid-template-columns: 1fr;
    gap: 20px;
  }

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

  .page-khuyen-mai__step-number {
    font-size: 2rem;
    width: 50px;
    height: 50px;
    margin-bottom: 10px;
  }

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

  .page-khuyen-mai__step-description {
    font-size: 0.9rem;
  }

  /* Terms List */
  .page-khuyen-mai__terms-list {
    font-size: 0.95rem;
    margin-top: 30px;
    padding-left: 15px;
  }

  /* FAQ Section */
  .page-khuyen-mai__faq-list {
    margin: 30px auto;
  }

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

  .page-khuyen-mai__faq-toggle {
    font-size: 1.5rem;
  }

  .page-khuyen-mai__faq-answer {
    padding: 0 20px 15px;
    font-size: 0.9rem;
  }

  .page-khuyen-mai__cta-faq {
    margin-top: 30px;
  }

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

  /* Ensure all containers with images also adapt */
  .page-khuyen-mai__hero-image,
  .page-khuyen-mai__card-icon,
  .page-khuyen-mai__promo-card,
  .page-khuyen-mai__step-item,
  .page-khuyen-mai__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* Module1 specific (card-icon is the round one here) */
  .page-khuyen-mai__card-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 15px;
  }
  .page-khuyen-mai__card-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
}