.page-khuyen-mai__hero-section { position: relative; padding-top: 10px; text-align: center; color: #ffffff; overflow: hidden; }
.page-khuyen-mai__hero-image-container { position: relative; width: 100%; height: 600px; overflow: hidden; }
.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; right: 0; bottom: 0; display: flex; flex-direction: column; justify-content: center; align-items: center; background: rgba(0, 0, 0, 0.4); padding: 20px; text-shadow: 0 2px 4px rgba(0,0,0,0.5); }
.page-khuyen-mai__main-title { font-size: clamp(2.5rem, 5vw, 3.5rem); font-weight: 700; margin-bottom: 15px; max-width: 900px; line-height: 1.2; }
.page-khuyen-mai__description { font-size: clamp(1rem, 2vw, 1.25rem); max-width: 800px; margin-bottom: 30px; line-height: 1.6; }
.page-khuyen-mai__cta-buttons { display: flex; gap: 20px; }
.page-khuyen-mai__btn-primary, .page-khuyen-mai__btn-secondary, .page-khuyen-mai__btn-link { display: inline-block; padding: 12px 25px; border-radius: 8px; text-decoration: none; font-weight: 600; transition: all 0.3s ease; white-space: nowrap; word-wrap: break-word; box-sizing: border-box; }
.page-khuyen-mai__btn-primary { background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%); color: #ffffff; border: none; }
.page-khuyen-mai__btn-primary:hover { transform: translateY(-2px); box-shadow: 0 4px 10px 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(-2px); box-shadow: 0 4px 10px rgba(229, 57, 53, 0.2); }

.page-khuyen-mai__section { max-width: 1200px; margin: 40px auto; padding: 0 15px; color: #333333; }
.page-khuyen-mai__section-title { font-size: clamp(2rem, 3.5vw, 2.5rem); text-align: center; margin-bottom: 20px; color: #E53935; font-weight: 700; }
.page-khuyen-mai__section-description { text-align: center; font-size: 1.1rem; max-width: 800px; margin: 0 auto 30px; line-height: 1.6; }

.page-khuyen-mai__promo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.page-khuyen-mai__promo-card { background: #ffffff; border-radius: 10px; overflow: hidden; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1); transition: transform 0.3s ease, box-shadow 0.3s ease; }
.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-wrapper { width: 100%; height: 200px; overflow: hidden; }
.page-khuyen-mai__promo-card-image { width: 100%; height: 100%; object-fit: cover; display: block; }
.page-khuyen-mai__promo-card-content { padding: 20px; }
.page-khuyen-mai__promo-card-title { font-size: 1.4rem; margin-bottom: 10px; font-weight: 600; line-height: 1.3; }
.page-khuyen-mai__promo-card-title a { color: #E53935; text-decoration: none; transition: color 0.3s ease; }
.page-khuyen-mai__promo-card-title a:hover { color: #FF5A4F; }
.page-khuyen-mai__promo-card-text { font-size: 0.95rem; line-height: 1.5; color: #555555; margin-bottom: 20px; }
.page-khuyen-mai__btn-link { color: #E53935; text-decoration: none; font-weight: 600; border: 1px solid #E53935; padding: 8px 15px; border-radius: 5px; }
.page-khuyen-mai__btn-link:hover { background: #E53935; color: #ffffff; }

.page-khuyen-mai__how-to-claim { background: #F5F7FA; padding: 50px 15px; border-radius: 10px; }
.page-khuyen-mai__steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; margin-top: 40px; }
.page-khuyen-mai__step-card { background: #ffffff; padding: 25px; border-radius: 8px; text-align: center; box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08); transition: transform 0.3s ease; }
.page-khuyen-mai__step-card:hover { transform: translateY(-5px); }
.page-khuyen-mai__step-number { display: flex; justify-content: center; align-items: center; width: 50px; height: 50px; border-radius: 50%; background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%); color: #ffffff; font-size: 1.8rem; font-weight: 700; margin: 0 auto 15px; }
.page-khuyen-mai__step-title { font-size: 1.3rem; margin-bottom: 10px; color: #E53935; font-weight: 600; }
.page-khuyen-mai__step-description { font-size: 0.95rem; line-height: 1.5; color: #555555; }
.page-khuyen-mai__step-description a { color: #E53935; text-decoration: underline; }

.page-khuyen-mai__terms-list { list-style: none; padding-left: 0; max-width: 800px; margin: 30px auto; }
.page-khuyen-mai__terms-list li { margin-bottom: 10px; font-size: 1rem; line-height: 1.6; color: #555555; position: relative; padding-left: 25px; }
.page-khuyen-mai__terms-list li::before { content: '•'; position: absolute; left: 0; color: #E53935; font-weight: bold; font-size: 1.2em; top: -2px; }
.page-khuyen-mai__terms-list li a { color: #E53935; text-decoration: underline; }

.page-khuyen-mai__faq-section { background: #F5F7FA; padding: 50px 15px; border-radius: 10px; }
.page-khuyen-mai__faq-container { max-width: 800px; margin: 30px auto; }
.page-khuyen-mai__faq-item { background: #ffffff; border: 1px solid #E0E0E0; border-radius: 8px; margin-bottom: 15px; overflow: hidden; }
.page-khuyen-mai__faq-question { display: flex; justify-content: space-between; align-items: center; padding: 18px 20px; font-size: 1.1rem; font-weight: 600; color: #333333; cursor: pointer; user-select: none; position: relative; list-style: none; }
.page-khuyen-mai__faq-question::-webkit-details-marker { display: none; }
.page-khuyen-mai__faq-question::marker { display: none; }
.page-khuyen-mai__faq-item[open] .page-khuyen-mai__faq-toggle { transform: rotate(45deg); }
.page-khuyen-mai__faq-toggle { font-size: 1.8rem; line-height: 1; transition: transform 0.3s ease; color: #E53935; }
.page-khuyen-mai__faq-answer { padding: 0 20px 20px; font-size: 1rem; line-height: 1.6; color: #555555; }

.page-khuyen-mai__call-to-action { text-align: center; padding: 50px 15px; background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%); color: #ffffff; border-radius: 10px; margin-bottom: 40px; }
.page-khuyen-mai__call-to-action .page-khuyen-mai__section-title { color: #ffffff; margin-bottom: 15px; }
.page-khuyen-mai__call-to-action .page-khuyen-mai__section-description { color: #f0f0f0; margin-bottom: 30px; }
.page-khuyen-mai__btn-large { padding: 15px 35px; font-size: 1.1rem; }

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-khuyen-mai__promo-grid { grid-template-columns: repeat(2, 1fr); }
  .page-khuyen-mai__steps-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .page-khuyen-mai__hero-section { padding-top: 10px; }
  .page-khuyen-mai__hero-image-container { height: 400px; }
  .page-khuyen-mai__main-title { font-size: 2rem; }
  .page-khuyen-mai__description { font-size: 0.95rem; max-width: 90%; }
  .page-khuyen-mai__cta-buttons { flex-direction: column; gap: 15px; width: 100%; max-width: 300px; margin: 0 auto; }
  .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__section { margin: 30px auto; padding: 0 15px; }
  .page-khuyen-mai__section-title { font-size: 1.8rem; }
  .page-khuyen-mai__section-description { font-size: 0.9rem; margin-bottom: 20px; }

  .page-khuyen-mai__promo-grid { grid-template-columns: 1fr; gap: 20px; }
  .page-khuyen-mai__promo-image-wrapper { height: 180px; }
  .page-khuyen-mai__promo-card-title { font-size: 1.2rem; }
  .page-khuyen-mai__promo-card-text { font-size: 0.85rem; }

  .page-khuyen-mai__how-to-claim { padding: 30px 15px; }
  .page-khuyen-mai__steps-grid { grid-template-columns: 1fr; gap: 20px; margin-top: 20px; }
  .page-khuyen-mai__step-title { font-size: 1.1rem; }
  .page-khuyen-mai__step-description { font-size: 0.85rem; }

  .page-khuyen-mai__terms-list { margin: 20px auto; }
  .page-khuyen-mai__terms-list li { font-size: 0.9rem; padding-left: 20px; }

  .page-khuyen-mai__faq-section { padding: 30px 15px; }
  .page-khuyen-mai__faq-question { font-size: 1rem; padding: 15px; }
  .page-khuyen-mai__faq-answer { font-size: 0.9rem; padding: 0 15px 15px; }

  .page-khuyen-mai__call-to-action { padding: 30px 15px; margin-bottom: 30px; }
  .page-khuyen-mai__btn-large { padding: 12px 25px; font-size: 1rem; }

  /* General image and container responsive rules */
  .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,
  .page-khuyen-mai__promo-image-wrapper,
  .page-khuyen-mai__hero-image-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden;
  }
}