/* style/khuyen-mai.css */

:root {
  --primary-color: #C61F1F;
  --secondary-color: #E53030;
  --background-dark: #140C0C;
  --card-background: #2A1212;
  --text-light: #FFF1E8;
  --border-color: #6A1E1E;
  --gold-color: #F3C54D;
  --deep-red-color: #7E0D0D;
  --button-gradient: linear-gradient(180deg, #FFB04A 0%, #D86A14 100%);
}

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

.page-khuyen-mai__promo-hero-section {
  padding-top: 10px; /* Adhering to the 10px rule for non-homepage hero-like sections */
  padding-bottom: 60px;
  background-color: var(--background-dark);
  color: var(--text-light);
}

.page-khuyen-mai__promo-hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 40px;
}

.page-khuyen-mai__promo-hero-content {
  flex: 1 1 50%;
  min-width: 300px;
}

.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(--gold-color);
}

.page-khuyen-mai__hero-description {
  font-size: 1.1rem;
  margin-bottom: 30px;
  color: var(--text-light);
}

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

.page-khuyen-mai__btn-primary,
.page-khuyen-mai__btn-secondary,
.page-khuyen-mai__card-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 30px;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s ease;
  white-space: normal; /* Allow text wrapping */
  word-wrap: break-word; /* Allow text breaking */
  box-sizing: border-box;
  max-width: 100%;
}

.page-khuyen-mai__btn-primary {
  background: var(--button-gradient);
  color: #ffffff;
  border: 2px solid transparent;
}

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

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

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

.page-khuyen-mai__promo-hero-image {
  flex: 1 1 40%;
  min-width: 280px;
  text-align: center;
}

.page-khuyen-mai__hero-img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  display: block;
  margin: 0 auto;
}

.page-khuyen-mai__promo-list-section {
  padding: 60px 0;
  background-color: var(--background-dark);
  color: var(--text-light);
}

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

.page-khuyen-mai__section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 20px;
  color: var(--gold-color);
}

.page-khuyen-mai__section-description {
  font-size: 1.1rem;
  text-align: center;
  margin-bottom: 50px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  color: var(--text-light);
}

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

.page-khuyen-mai__promo-card {
  background-color: var(--card-background);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-khuyen-mai__promo-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.page-khuyen-mai__promo-card-media {
  width: 100%;
  height: 250px; /* Fixed height for consistent card images */
  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;
}

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

.page-khuyen-mai__promo-card-title a {
  color: var(--gold-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-khuyen-mai__promo-card-title a:hover {
  color: var(--text-light);
}

.page-khuyen-mai__promo-card-text {
  font-size: 1rem;
  line-height: 1.5;
  margin-bottom: 20px;
  flex-grow: 1;
  color: var(--text-light);
}

.page-khuyen-mai__card-btn {
  background: var(--button-gradient);
  color: #ffffff;
  border: none;
  font-size: 1rem;
  padding: 12px 25px;
  border-radius: 6px;
  align-self: flex-start;
}

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

.page-khuyen-mai__faq-section {
  padding: 60px 0;
  background-color: var(--background-dark);
  color: var(--text-light);
}

.page-khuyen-mai__faq-list {
  max-width: 900px;
  margin: 0 auto;
}

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

.page-khuyen-mai__faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.2rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  color: var(--gold-color);
}

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

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

.page-khuyen-mai__faq-toggle {
  font-size: 1.8rem;
  line-height: 1;
  margin-left: 20px;
  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;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-light);
}

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

/* --- Responsive Styles --- */

/* Mobile (max-width: 768px) */
@media (max-width: 768px) {
  .page-khuyen-mai {
    font-size: 15px;
  }

  .page-khuyen-mai__promo-hero-section {
    padding-top: 10px !important;
    padding-bottom: 40px;
  }

  .page-khuyen-mai__promo-hero-container {
    flex-direction: column;
    padding: 30px 15px;
    gap: 30px;
  }

  .page-khuyen-mai__promo-hero-content {
    order: 2;
    text-align: center;
  }

  .page-khuyen-mai__promo-hero-image {
    order: 1;
  }

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

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

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

  .page-khuyen-mai__btn-primary,
  .page-khuyen-mai__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    font-size: 1rem;
    padding: 12px 20px;
  }

  .page-khuyen-mai__promo-list-section,
  .page-khuyen-mai__faq-section {
    padding: 40px 0;
  }

  .page-khuyen-mai__container {
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-khuyen-mai__section-title {
    font-size: clamp(1.6rem, 6vw, 2.2rem);
    margin-bottom: 15px;
  }

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

  .page-khuyen-mai__promo-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .page-khuyen-mai__promo-card-media {
    height: 200px;
  }

  .page-khuyen-mai__promo-card-content {
    padding: 20px;
  }

  .page-khuyen-mai__promo-card-title {
    font-size: 1.2rem;
    margin-bottom: 10px;
  }

  .page-khuyen-mai__promo-card-text {
    font-size: 0.9rem;
    margin-bottom: 15px;
  }

  .page-khuyen-mai__card-btn {
    width: 100% !important;
    max-width: 100% !important;
    font-size: 0.95rem;
    padding: 10px 20px;
  }

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

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

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

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

  /* Ensure containers with images are also responsive */
  .page-khuyen-mai__promo-hero-image,
  .page-khuyen-mai__promo-card-media,
  .page-khuyen-mai__promo-card {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
}

/* Tablet (max-width: 1024px) - For general adjustments, if needed, but 768px is critical */
@media (max-width: 1024px) and (min-width: 769px) {
  .page-khuyen-mai__promo-hero-container {
    padding: 30px;
  }

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

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

  .page-khuyen-mai__section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
  }

  .page-khuyen-mai__promo-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  }

  .page-khuyen-mai__container {
    padding: 0 30px;
  }
}