.page-khuyen-mai__hero-section { position: relative; width: 100%; overflow: hidden; margin-bottom: 40px; padding-top: 10px; }
.page-khuyen-mai__hero-image { width: 100%; height: auto; }
.page-khuyen-mai__hero-image img { width: 100%; height: auto; display: block; object-fit: cover; }
.page-khuyen-mai__hero-content { position: relative; max-width: 900px; margin: -100px auto 0; padding: 30px; background: rgba(255, 255, 255, 0.95); border-radius: 15px; text-align: center; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1); z-index: 1; color: #1F2D3D; }
.page-khuyen-mai__main-title { font-size: 3.2em; color: #2F6BFF; margin-bottom: 15px; font-weight: 700; line-height: 1.2; }
.page-khuyen-mai__description { font-size: 1.2em; line-height: 1.6; margin-bottom: 30px; color: #1F2D3D; }
.page-khuyen-mai__cta-buttons { display: flex; justify-content: center; gap: 20px; }
.page-khuyen-mai__btn-primary, .page-khuyen-mai__btn-secondary { display: inline-block; padding: 15px 30px; border-radius: 50px; font-weight: bold; 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, #4A8BFF 0%, #2F6BFF 100%); color: #ffffff; border: none; }
.page-khuyen-mai__btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 20px rgba(47, 107, 255, 0.4); }
.page-khuyen-mai__btn-secondary { background: #ffffff; color: #2F6BFF; border: 2px solid #2F6BFF; }
.page-khuyen-mai__btn-secondary:hover { transform: translateY(-3px); box-shadow: 0 8px 20px rgba(47, 107, 255, 0.1); }

.page-khuyen-mai__section-title { font-size: 2.5em; text-align: center; color: #2F6BFF; margin-bottom: 20px; font-weight: 700; }
.page-khuyen-mai__section-subtitle { font-size: 1.1em; text-align: center; max-width: 800px; margin: 0 auto 50px; color: #1F2D3D; line-height: 1.6; }

.page-khuyen-mai__promo-grid-section { padding: 60px 20px; background: #F4F7FB; }
.page-khuyen-mai__promo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; max-width: 1200px; margin: 0 auto; }
.page-khuyen-mai__promo-card { background: #FFFFFF; border-radius: 15px; overflow: hidden; box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08); 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 10px 25px rgba(0, 0, 0, 0.15); }
.page-khuyen-mai__promo-card-image { width: 100%; height: 200px; overflow: hidden; }
.page-khuyen-mai__promo-card-image 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: 1.4em; color: #2F6BFF; margin-bottom: 10px; font-weight: 600; line-height: 1.4; }
.page-khuyen-mai__promo-card-description { font-size: 1em; color: #1F2D3D; margin-bottom: 20px; line-height: 1.5; flex-grow: 1; }
.page-khuyen-mai__promo-card-button { display: inline-block; padding: 10px 20px; background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%); color: #ffffff; border-radius: 30px; text-decoration: none; font-weight: bold; transition: background 0.3s ease, transform 0.3s ease; text-align: center; white-space: normal; word-wrap: break-word; max-width: 100%; box-sizing: border-box; }
.page-khuyen-mai__promo-card-button:hover { transform: translateY(-2px); background: linear-gradient(180deg, #2F6BFF 0%, #4A8BFF 100%); }

.page-khuyen-mai__how-to-claim-section { padding: 80px 20px; }
.page-khuyen-mai__steps-container { display: flex; justify-content: center; gap: 30px; max-width: 1200px; margin: 0 auto; }
.page-khuyen-mai__step-card { background: #FFFFFF; border-radius: 15px; padding: 30px; text-align: center; box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08); flex: 1; max-width: 350px; display: flex; flex-direction: column; align-items: center; }
.page-khuyen-mai__step-card img { width: 100%; max-width: 200px; height: auto; margin-bottom: 20px; display: block; object-fit: cover; border-radius: 10px; }
.page-khuyen-mai__step-title { font-size: 1.5em; color: #2F6BFF; margin-bottom: 15px; font-weight: 600; }
.page-khuyen-mai__step-description { font-size: 1em; color: #1F2D3D; margin-bottom: 25px; line-height: 1.5; flex-grow: 1; }
.page-khuyen-mai__step-button { display: inline-block; padding: 12px 25px; background: #6FA3FF; color: #ffffff; border-radius: 30px; text-decoration: none; font-weight: bold; transition: background 0.3s ease; white-space: normal; word-wrap: break-word; max-width: 100%; box-sizing: border-box; }
.page-khuyen-mai__step-button:hover { background: #2F6BFF; }

.page-khuyen-mai__faq-section { padding: 80px 20px; background: #F4F7FB; }
.page-khuyen-mai__faq-container { max-width: 900px; margin: 0 auto; }
.page-khuyen-mai__faq-item { background: #FFFFFF; border-radius: 10px; margin-bottom: 15px; 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: #1F2D3D; background: #EBF2FF; border-bottom: 1px solid #D6E2FF; }
.page-khuyen-mai__faq-item[open] .page-khuyen-mai__faq-question { background: #D6E2FF; color: #2F6BFF; border-bottom: none; }
.page-khuyen-mai__faq-question::-webkit-details-marker { display: none; }
.page-khuyen-mai__faq-question::marker { display: none; }
.page-khuyen-mai__faq-toggle { font-size: 1.5em; font-weight: bold; color: #2F6BFF; 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: 1.6; color: #1F2D3D; }

.page-khuyen-mai__cta-bottom-section { padding: 80px 20px; text-align: center; background: linear-gradient(135deg, #2F6BFF 0%, #6FA3FF 100%); color: #ffffff; border-radius: 15px; max-width: 1200px; margin: 60px auto; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2); }
.page-khuyen-mai__cta-bottom-title { font-size: 2.8em; margin-bottom: 20px; font-weight: 700; line-height: 1.2; }
.page-khuyen-mai__cta-bottom-description { font-size: 1.2em; max-width: 800px; margin: 0 auto 40px; line-height: 1.6; }
.page-khuyen-mai__cta-bottom-buttons { display: flex; justify-content: center; gap: 20px; }
.page-khuyen-mai__cta-bottom-buttons .page-khuyen-mai__btn-primary { background: #ffffff; color: #2F6BFF; }
.page-khuyen-mai__cta-bottom-buttons .page-khuyen-mai__btn-primary:hover { background: #e0e0e0; }
.page-khuyen-mai__cta-bottom-buttons .page-khuyen-mai__btn-secondary { background: #2F6BFF; color: #ffffff; border: 2px solid #ffffff; }
.page-khuyen-mai__cta-bottom-buttons .page-khuyen-mai__btn-secondary:hover { background: #ffffff; color: #2F6BFF; border-color: #2F6BFF; }

@media (max-width: 1024px) {
  .page-khuyen-mai__main-title { font-size: 2.8em; }
  .page-khuyen-mai__description { font-size: 1.1em; }
  .page-khuyen-mai__promo-grid { grid-template-columns: repeat(2, 1fr); }
  .page-khuyen-mai__steps-container { flex-wrap: wrap; }
  .page-khuyen-mai__step-card { max-width: 45%; }
  .page-khuyen-mai__section-title { font-size: 2em; }
  .page-khuyen-mai__section-subtitle { font-size: 1em; }
  .page-khuyen-mai__cta-bottom-title { font-size: 2.2em; }
  .page-khuyen-mai__cta-bottom-description { font-size: 1.1em; }
}

@media (max-width: 768px) {
  .page-khuyen-mai__hero-content { margin-top: -60px; padding: 20px; }
  .page-khuyen-mai__main-title { font-size: 2em; margin-bottom: 10px; }
  .page-khuyen-mai__description { font-size: 0.9em; margin-bottom: 20px; }
  .page-khuyen-mai__cta-buttons { flex-direction: column; gap: 15px; padding: 0 15px; }
  .page-khuyen-mai__btn-primary, .page-khuyen-mai__btn-secondary { max-width: 100% !important; width: 100% !important; padding: 12px 20px; font-size: 0.95em; box-sizing: border-box !important; white-space: normal !important; word-wrap: break-word !important; }

  .page-khuyen-mai__section-title { font-size: 1.8em; margin-bottom: 15px; }
  .page-khuyen-mai__section-subtitle { font-size: 0.9em; margin-bottom: 30px; padding: 0 15px; }

  .page-khuyen-mai__promo-grid-section { padding: 40px 15px; }
  .page-khuyen-mai__promo-grid { grid-template-columns: 1fr; gap: 25px; }
  .page-khuyen-mai__promo-card { border-radius: 10px; }
  .page-khuyen-mai__promo-card-image { height: 180px; }
  .page-khuyen-mai__promo-card-content { padding: 20px; }
  .page-khuyen-mai__promo-card-title { font-size: 1.2em; }
  .page-khuyen-mai__promo-card-description { font-size: 0.9em; margin-bottom: 15px; }
  .page-khuyen-mai__promo-card-button { padding: 8px 15px; font-size: 0.9em; max-width: 100% !important; width: 100% !important; box-sizing: border-box !important; white-space: normal !important; word-wrap: break-word !important; }

  .page-khuyen-mai__how-to-claim-section { padding: 50px 15px; }
  .page-khuyen-mai__steps-container { flex-direction: column; gap: 25px; }
  .page-khuyen-mai__step-card { max-width: 100%; padding: 25px; }
  .page-khuyen-mai__step-card img {  margin-bottom: 15px; }
  .page-khuyen-mai__step-title { font-size: 1.3em; margin-bottom: 10px; }
  .page-khuyen-mai__step-description { font-size: 0.9em; margin-bottom: 20px; }
  .page-khuyen-mai__step-button { padding: 10px 20px; font-size: 0.9em; max-width: 100% !important; width: 100% !important; box-sizing: border-box !important; white-space: normal !important; word-wrap: break-word !important; }

  .page-khuyen-mai__faq-section { padding: 50px 15px; }
  .page-khuyen-mai__faq-question { padding: 15px 20px; font-size: 1em; }
  .page-khuyen-mai__faq-answer { padding: 15px 20px; font-size: 0.9em; }

  .page-khuyen-mai__cta-bottom-section { padding: 50px 15px; margin: 40px 15px; border-radius: 10px; }
  .page-khuyen-mai__cta-bottom-title { font-size: 1.8em; margin-bottom: 15px; }
  .page-khuyen-mai__cta-bottom-description { font-size: 0.95em; margin-bottom: 30px; }
  .page-khuyen-mai__cta-bottom-buttons { flex-direction: column; gap: 15px; padding: 0 15px; }
  .page-khuyen-mai__cta-bottom-buttons .page-khuyen-mai__btn-primary, .page-khuyen-mai__cta-bottom-buttons .page-khuyen-mai__btn-secondary { max-width: 100% !important; width: 100% !important; padding: 12px 20px; font-size: 0.95em; box-sizing: border-box !important; white-space: normal !important; word-wrap: break-word !important; }

  .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; }
}

/* Default text colors for contrast */
.page-khuyen-mai { color: #1F2D3D; /* Text Main */ }
.page-khuyen-mai__dark-bg { color: #ffffff; background: #2F6BFF; }
.page-khuyen-mai__light-bg { color: #1F2D3D; background: #ffffff; }
.page-khuyen-mai__medium-bg { color: #000000; background: #6FA3FF; }
.page-khuyen-mai__content-area, .page-khuyen-mai__text-block { color: #1F2D3D; background: #ffffff; }
.page-khuyen-mai p, .page-khuyen-mai li { color: #1F2D3D; }
.page-khuyen-mai__card { background: #FFFFFF; color: #1F2D3D; border: 1px solid #D6E2FF; }
.page-khuyen-mai__dark-section { background: #2F6BFF; color: #ffffff; }
.page-khuyen-mai__btn-primary { background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%); color: #ffffff; border: 2px solid transparent; }
.page-khuyen-mai__btn-secondary { background: #ffffff; color: #2F6BFF; border: 2px solid #2F6BFF; }