.page-khuyen-mai__hero-section { position: relative; padding-top: 10px; text-align: center; color: #ffffff; overflow: hidden; }
.page-khuyen-mai__hero-image-wrapper { position: relative; width: 100%; height: 600px; }
.page-khuyen-mai__hero-image { width: 100%; height: 100%; object-fit: cover; display: block; }
.page-khuyen-mai__hero-content { position: absolute; top: 0; left: 0; width: 100%; height: 100%; display: flex; flex-direction: column; justify-content: center; align-items: center; background: rgba(0, 0, 0, 0.5); padding: 20px; box-sizing: border-box; }
.page-khuyen-mai__main-title { font-size: 3.2em; font-weight: 700; line-height: 1.2; max-width: 900px; margin-bottom: 20px; color: #ffffff; text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7); }
.page-khuyen-mai__lead-text { font-size: 1.2em; max-width: 800px; margin-bottom: 30px; line-height: 1.6; color: #f0f0f0; }
.page-khuyen-mai__cta-buttons { display: flex; gap: 20px; justify-content: center; }

.page-khuyen-mai__btn-primary, .page-khuyen-mai__btn-secondary { display: inline-block; padding: 14px 30px; border-radius: 8px; font-weight: 600; text-decoration: none; transition: all 0.3s ease; white-space: normal; word-wrap: break-word; max-width: 100%; box-sizing: border-box; }
.page-khuyen-mai__btn-primary { background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%); color: #ffffff; border: 2px solid transparent; }
.page-khuyen-mai__btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 15px rgba(229, 57, 53, 0.4); }
.page-khuyen-mai__btn-secondary { background: #ffffff; color: #E53935; border: 2px solid #E53935; }
.page-khuyen-mai__btn-secondary:hover { transform: translateY(-3px); box-shadow: 0 8px 15px rgba(229, 57, 53, 0.2); }

.page-khuyen-mai__container { max-width: 1200px; margin: 0 auto; padding: 40px 15px; box-sizing: border-box; }
.page-khuyen-mai__section-title { font-size: 2.5em; font-weight: 700; text-align: center; margin-bottom: 20px; color: #E53935; }
.page-khuyen-mai__section-title.page-khuyen-mai__dark-bg { color: #ffffff; background: #E53935; padding: 20px; border-radius: 8px; margin-bottom: 40px; }
.page-khuyen-mai__section-description { font-size: 1.1em; text-align: center; max-width: 900px; margin: 0 auto 40px; line-height: 1.7; color: #333333; }

.page-khuyen-mai__intro-section { background: #F5F7FA; color: #333333; }

.page-khuyen-mai__promotions-grid-section { background: #ffffff; padding: 60px 0; }
.page-khuyen-mai__promotions-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.page-khuyen-mai__promo-card { background: #ffffff; border-radius: 12px; overflow: hidden; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1); transition: transform 0.3s ease, box-shadow 0.3s ease; display: flex; flex-direction: column; }
.page-khuyen-mai__promo-card:hover { transform: translateY(-5px); box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15); }
.page-khuyen-mai__promo-image { width: 100%; height: 220px; object-fit: cover; display: block; }
.page-khuyen-mai__promo-content { padding: 25px; flex-grow: 1; display: flex; flex-direction: column; justify-content: space-between; }
.page-khuyen-mai__promo-title { font-size: 1.4em; font-weight: 600; margin-bottom: 15px; color: #E53935; line-height: 1.4; }
.page-khuyen-mai__promo-text { font-size: 0.95em; line-height: 1.6; color: #333333; margin-bottom: 20px; }
.page-khuyen-mai__promo-content .page-khuyen-mai__btn-primary { width: 100%; text-align: center; }

.page-khuyen-mai__guide-section { background: #F5F7FA; padding: 60px 0; color: #333333; }
.page-khuyen-mai__guide-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; margin-top: 40px; }
.page-khuyen-mai__step-card { background: #ffffff; border-radius: 12px; padding: 30px; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08); text-align: center; display: flex; flex-direction: column; justify-content: space-between; }
.page-khuyen-mai__step-title { font-size: 1.3em; font-weight: 600; margin-bottom: 15px; color: #E53935; }
.page-khuyen-mai__step-text { font-size: 0.95em; line-height: 1.6; color: #333333; margin-bottom: 20px; flex-grow: 1; }

.page-khuyen-mai__terms-section { background: #E53935; color: #ffffff; padding: 60px 0; }
.page-khuyen-mai__terms-section .page-khuyen-mai__section-title { color: #ffffff; }
.page-khuyen-mai__terms-section .page-khuyen-mai__section-description { color: #f0f0f0; }
.page-khuyen-mai__terms-list { list-style: disc; margin: 40px auto; max-width: 900px; padding-left: 20px; font-size: 1.05em; line-height: 1.8; }
.page-khuyen-mai__terms-list li { margin-bottom: 10px; color: #f0f0f0; }
.page-khuyen-mai__terms-section .page-khuyen-mai__btn-secondary { background: #ffffff; color: #E53935; border-color: #ffffff; }
.page-khuyen-mai__terms-section .page-khuyen-mai__btn-secondary:hover { background: #f0f0f0; color: #E53935; }

.page-khuyen-mai__faq-section { background: #F5F7FA; padding: 60px 0; color: #333333; }
.page-khuyen-mai__faq-list { max-width: 900px; margin: 40px auto 0; }
.page-khuyen-mai__faq-item { background: #ffffff; border-radius: 12px; margin-bottom: 20px; box-shadow: 0 2px 10px 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; cursor: pointer; font-size: 1.15em; font-weight: 600; color: #333333; border-bottom: 1px solid #e0e0e0; 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: #f9f9f9; }
.page-khuyen-mai__faq-qtext { flex-grow: 1; }
.page-khuyen-mai__faq-toggle { font-size: 1.5em; font-weight: 700; color: #E53935; margin-left: 15px; 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: 20px 25px; font-size: 1em; line-height: 1.7; color: #333333; border-top: 1px solid #eee; }
.page-khuyen-mai__faq-item[open] .page-khuyen-mai__faq-answer { border-top: none; }

.page-khuyen-mai__cta-bottom-section { background: #E53935; color: #ffffff; padding: 60px 0; text-align: center; }
.page-khuyen-mai__cta-bottom-section .page-khuyen-mai__section-title { color: #ffffff; margin-bottom: 25px; }
.page-khuyen-mai__cta-bottom-section .page-khuyen-mai__section-description { color: #f0f0f0; max-width: 800px; margin: 0 auto 40px; }
.page-khuyen-mai__cta-bottom-section .page-khuyen-mai__btn-secondary { background: #ffffff; color: #E53935; border-color: #ffffff; }
.page-khuyen-mai__cta-bottom-section .page-khuyen-mai__btn-secondary:hover { background: #f0f0f0; color: #E53935; }

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-khuyen-mai__main-title { font-size: 2.8em; }
  .page-khuyen-mai__lead-text { font-size: 1.1em; }
  .page-khuyen-mai__promotions-grid { grid-template-columns: repeat(2, 1fr); }
  .page-khuyen-mai__guide-steps { grid-template-columns: repeat(2, 1fr); }
  .page-khuyen-mai__section-title { font-size: 2em; }
  .page-khuyen-mai__promo-title { font-size: 1.3em; }
  .page-khuyen-mai__step-title { font-size: 1.2em; }
}

@media (max-width: 768px) {
  .page-khuyen-mai { font-size: 16px; line-height: 1.6; }
  .page-khuyen-mai__hero-image-wrapper { height: 400px; }
  .page-khuyen-mai__hero-content { padding: 15px; }
  .page-khuyen-mai__main-title { font-size: 2em !important; max-width: 100%; margin-bottom: 15px; }
  .page-khuyen-mai__lead-text { font-size: 1em; max-width: 100%; margin-bottom: 20px; }
  .page-khuyen-mai__cta-buttons { flex-direction: column; gap: 15px; width: 100%; max-width: 100%; padding: 0 15px; box-sizing: border-box; }
  .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;
  }
  .page-khuyen-mai__container { padding: 30px 15px; }
  .page-khuyen-mai__section-title { font-size: 1.8em; }
  .page-khuyen-mai__section-title.page-khuyen-mai__dark-bg { padding: 15px; margin-bottom: 30px; }
  .page-khuyen-mai__section-description { font-size: 0.95em; margin-bottom: 30px; }
  .page-khuyen-mai__promotions-grid { grid-template-columns: 1fr; }
  .page-khuyen-mai__promo-image { height: 180px; }
  .page-khuyen-mai__promo-content { padding: 20px; }
  .page-khuyen-mai__promo-title { font-size: 1.2em; margin-bottom: 10px; }
  .page-khuyen-mai__promo-text { font-size: 0.9em; margin-bottom: 15px; }
  .page-khuyen-mai__guide-steps { grid-template-columns: 1fr; margin-top: 30px; }
  .page-khuyen-mai__step-card { padding: 25px; }
  .page-khuyen-mai__step-title { font-size: 1.1em; margin-bottom: 10px; }
  .page-khuyen-mai__step-text { font-size: 0.9em; margin-bottom: 15px; }
  .page-khuyen-mai__terms-list { margin: 30px auto; font-size: 0.95em; }
  .page-khuyen-mai__faq-list { margin: 30px auto 0; }
  .page-khuyen-mai__faq-question { padding: 15px 20px; font-size: 1em; }
  .page-khuyen-mai__faq-answer { padding: 15px 20px; font-size: 0.95em; }
  
  .page-khuyen-mai img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-khuyen-mai__section,
  .page-khuyen-mai__card,
  .page-khuyen-mai__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* Specific for hero section padding-top */
  .page-khuyen-mai__hero-section { padding-top: 10px; }

  /* No blog grid on this page, but if it were: */
  /* .page-khuyen-mai__blog-grid { grid-template-columns: 1fr; } */
  /* .page-khuyen-mai__blog-date { top: 5px; left: 5px; padding: 4px 6px; font-size: 0.8em; } */
  /* .page-khuyen-mai__home-content { padding: 0 15px; } */
}

@media (max-width: 480px) {
  .page-khuyen-mai__main-title { font-size: 1.8em !important; }
  .page-khuyen-mai__lead-text { font-size: 0.9em; }
  .page-khuyen-mai__hero-image-wrapper { height: 300px; }
  .page-khuyen-mai__cta-buttons { flex-direction: column; gap: 10px; }
  .page-khuyen-mai__btn-primary, .page-khuyen-mai__btn-secondary { padding: 12px 20px; }
  .page-khuyen-mai__section-title { font-size: 1.5em; }
  .page-khuyen-mai__promo-title { font-size: 1.1em; }
  .page-khuyen-mai__step-title { font-size: 1em; }
  .page-khuyen-mai__faq-question { font-size: 0.95em; padding: 12px 15px; }
  .page-khuyen-mai__faq-answer { font-size: 0.9em; padding: 12px 15px; }
}