.page-khuyn-mi {
    font-family: 'Arial', sans-serif;
    color: #333333;
    line-height: 1.6;
    background-color: #f8f9fa;
}

.page-khuyn-mi__hero-section {
    position: relative;
    background-color: #2563eb;
    padding-top: 10px; /* Rely on body padding for header offset */
    padding-bottom: 40px;
    color: #ffffff;
    text-align: center;
    overflow: hidden;
}

.page-khuyn-mi__hero-image-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.page-khuyn-mi__hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.2;
}

.page-khuyn-mi__hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    padding: 60px 20px;
}

.page-khuyn-mi__main-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.page-khuyn-mi__description {
    font-size: 1.15rem;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-khuyn-mi__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.page-khuyn-mi__btn-primary,
.page-khuyn-mi__btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-khuyn-mi__btn-primary {
    background-color: #f0ad4e; /* Brighter accent for CTA */
    color: #ffffff;
    border: 2px solid #f0ad4e;
}

.page-khuyn-mi__btn-primary:hover {
    background-color: #eb9800;
    border-color: #eb9800;
    transform: translateY(-2px);
}

.page-khuyn-mi__btn-secondary {
    background-color: transparent;
    color: #ffffff;
    border: 2px solid #ffffff;
}

.page-khuyn-mi__btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.page-khuyn-mi__section {
    max-width: 1200px;
    margin: 40px auto;
    padding: 20px;
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.page-khuyn-mi__section-title {
    font-size: 2.2rem;
    color: #2563eb;
    text-align: center;
    margin-bottom: 20px;
    font-weight: 700;
}

.page-khuyn-mi__section-description {
    font-size: 1.05rem;
    color: #555555;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px auto;
}

.page-khuyn-mi__features-grid,
.page-khuyn-mi__promo-card-grid,
.page-khuyn-mi__steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.page-khuyn-mi__feature-item,
.page-khuyn-mi__step-item {
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    padding: 25px;
    text-align: center;
    transition: transform 0.3s ease;
}

.page-khuyn-mi__feature-item:hover,
.page-khuyn-mi__step-item:hover {
    transform: translateY(-5px);
}

.page-khuyn-mi__feature-image,
.page-khuyn-mi__step-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
}

.page-khuyn-mi__feature-title,
.page-khuyn-mi__step-title {
    font-size: 1.5rem;
    color: #2563eb;
    margin-bottom: 10px;
}

.page-khuyn-mi__feature-text,
.page-khuyn-mi__step-text {
    font-size: 1rem;
    color: #666666;
}

.page-khuyn-mi__promo-card {
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.page-khuyn-mi__promo-card:hover {
    transform: translateY(-5px);
}

.page-khuyn-mi__promo-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.page-khuyn-mi__promo-content {
    padding: 25px;
}

.page-khuyn-mi__promo-title {
    font-size: 1.6rem;
    color: #2563eb;
    margin-bottom: 15px;
    font-weight: 600;
}

.page-khuyn-mi__promo-text {
    font-size: 1rem;
    color: #555555;
    margin-bottom: 20px;
}

.page-khuyn-mi__center-cta {
    text-align: center;
    margin-top: 40px;
}

.page-khuyn-mi__terms-list,
.page-khuyn-mi__tips-list {
    list-style: none;
    padding: 0;
    margin-top: 30px;
}

.page-khuyn-mi__terms-item,
.page-khuyn-mi__tips-item {
    background-color: #f9f9f9;
    border-left: 5px solid #2563eb;
    padding: 15px 20px;
    margin-bottom: 15px;
    border-radius: 5px;
    font-size: 1rem;
    color: #444444;
    box-sizing: border-box;
}

.page-khuyn-mi__tips-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.page-khuyn-mi__tips-item {
    border-left: 5px solid #64748b;
}

.page-khuyn-mi__tips-title {
    font-size: 1.3rem;
    color: #2563eb;
    margin-bottom: 8px;
}

/* FAQ Styles */
details.page-khuyn-mi__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid #e0e0e0;
  overflow: hidden;
  background: #fff;
}
details.page-khuyn-mi__faq-item summary.page-khuyn-mi__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
}
details.page-khuyn-mi__faq-item summary.page-khuyn-mi__faq-question::-webkit-details-marker {
  display: none;
}
details.page-khuyn-mi__faq-item summary.page-khuyn-mi__faq-question:hover {
  background: #f5f5f5;
}
.page-khuyn-mi__faq-qtext {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: #333333;
}
.page-khuyn-mi__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #666;
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}
details.page-khuyn-mi__faq-item .page-khuyn-mi__faq-answer {
  padding: 0 20px 20px;
  background: #f9f9f9;
  border-radius: 0 0 5px 5px;
  color: #555555;
}

.page-khuyn-mi__final-cta {
    background-color: #2563eb;
    color: #ffffff;
    text-align: center;
    padding: 60px 20px;
}

.page-khuyn-mi__final-cta .page-khuyn-mi__section-title {
    color: #ffffff;
}

.page-khuyn-mi__final-cta .page-khuyn-mi__section-description {
    color: #e0e7ff;
}

.page-khuyn-mi__final-cta .page-khuyn-mi__btn-primary {
    background-color: #f0ad4e;
    border-color: #f0ad4e;
}

.page-khuyn-mi__final-cta .page-khuyn-mi__btn-primary:hover {
    background-color: #eb9800;
    border-color: #eb9800;
}

.page-khuyn-mi__final-cta .page-khuyn-mi__btn-secondary {
    background-color: transparent;
    color: #ffffff;
    border-color: #ffffff;
}

.page-khuyn-mi__final-cta .page-khuyn-mi__btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

/* General image responsiveness */
.page-khuyn-mi img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

    .page-khuyn-mi__hero-content {
        padding: 40px 15px;
    }

    .page-khuyn-mi__main-title {
        font-size: 2rem;
    }

    .page-khuyn-mi__description {
        font-size: 1rem;
    }

    .page-khuyn-mi__cta-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .page-khuyn-mi__btn-primary,
    .page-khuyn-mi__btn-secondary {
        max-width: 100% !important;
        width: 100% !important;
        padding: 12px 20px;
        font-size: 1rem;
        margin: 0 auto; /* Center buttons if in column */
    }

    .page-khuyn-mi__section {
        margin: 20px auto;
        padding: 15px;
    }

    .page-khuyn-mi__section-title {
        font-size: 1.8rem;
    }

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

    .page-khuyn-mi__features-grid,
    .page-khuyn-mi__promo-card-grid,
    .page-khuyn-mi__steps-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-khuyn-mi__feature-item,
    .page-khuyn-mi__step-item,
    .page-khuyn-mi__promo-card {
        padding: 20px;
    }

    .page-khuyn-mi__feature-image,
    .page-khuyn-mi__step-image {
        height: 180px;
    }

    .page-khuyn-mi__feature-title,
    .page-khuyn-mi__step-title {
        font-size: 1.3rem;
    }

    .page-khuyn-mi__promo-image {
        height: 200px;
    }

    .page-khuyn-mi__promo-title {
        font-size: 1.4rem;
    }

    .page-khuyn-mi__promo-text {
        font-size: 0.95rem;
    }

    .page-khuyn-mi__terms-item,
    .page-khuyn-mi__tips-item {
        padding: 12px 15px;
        font-size: 0.95rem;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
    }

    .page-khuyn-mi__tips-list {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .page-khuyn-mi__tips-title {
        font-size: 1.2rem;
    }

    details.page-khuyn-mi__faq-item summary.page-khuyn-mi__faq-question {
        padding: 15px;
    }
    .page-khuyn-mi__faq-qtext {
        font-size: 15px;
    }
    details.page-khuyn-mi__faq-item .page-khuyn-mi__faq-answer {
        padding: 0 15px 15px;
    }

    .page-khuyn-mi__final-cta {
        padding: 40px 15px;
    }

    /* Mobile image override */
    .page-khuyn-mi img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }

    .page-khuyn-mi__section,
    .page-khuyn-mi__promo-card,
    .page-khuyn-mi__feature-item,
    .page-khuyn-mi__step-item {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }
}