.page-khuyen-mai {
    font-family: 'Arial', sans-serif;
    color: #333333; /* Default text color for light body background */
    background-color: #FFFFFF; /* Assuming default white body background */
    line-height: 1.6;
}

/* Hero Section */
.page-khuyen-mai__hero-section {
    position: relative;
    width: 100%;
    padding-top: 10px; /* Small top padding, assuming body handles --header-offset */
    margin-bottom: 40px;
    background-color: #017439; /* Brand color for hero section background */
    display: flex;
    flex-direction: column; /* Image on top, content below */
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    text-align: center;
}

.page-khuyen-mai__hero-image {
    width: 100%;
    max-width: 1920px; /* Max width for hero image */
    overflow: hidden;
}

.page-khuyen-mai__hero-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.page-khuyen-mai__hero-content {
    padding: 30px 20px 50px;
    max-width: 900px;
    box-sizing: border-box;
}

.page-khuyen-mai__main-title {
    font-size: clamp(2.5rem, 5vw, 3rem); /* H1 font size with clamp */
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 15px;
    color: #FFFFFF; /* White text on dark green background */
    letter-spacing: -0.5px;
}

.page-khuyen-mai__hero-description {
    font-size: 1.15rem;
    margin-bottom: 30px;
    color: #F0F0F0;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.page-khuyen-mai__cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap; /* Allow wrapping on smaller screens */
}

/* General Section Styling */
.page-khuyen-mai__section {
    padding: 40px 0;
    margin-bottom: 30px;
}

.page-khuyen-mai__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
    box-sizing: border-box;
}

.page-khuyen-mai__section-title {
    font-size: 2.2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 30px;
    color: #017439; /* Brand color for titles on light background */
}

.page-khuyen-mai__section-title--white {
    color: #FFFFFF; /* White text for titles on dark background */
}

.page-khuyen-mai__text-block {
    font-size: 1rem;
    margin-bottom: 20px;
    line-height: 1.7;
    text-align: justify;
}

.page-khuyen-mai__text-block--white {
    color: #F0F0F0;
}

/* Light and Dark Background Sections */
.page-khuyen-mai__light-bg {
    background-color: #FFFFFF;
    color: #333333;
}

.page-khuyen-mai__dark-bg {
    background-color: #017439;
    color: #FFFFFF;
}

/* Promotion Grid */
.page-khuyen-mai__promo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.page-khuyen-mai__promo-card {
    background-color: #FFFFFF;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    padding-bottom: 20px;
    color: #333333; /* Dark text for card content */
}

.page-khuyen-mai__promo-card-image {
    width: 100%;
    height: 225px; /* Fixed height for consistent card images */
    object-fit: cover;
    display: block;
    margin-bottom: 15px;
}

.page-khuyen-mai__promo-card-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin: 0 20px 10px;
    color: #017439;
}

.page-khuyen-mai__promo-card-description {
    font-size: 0.95rem;
    margin: 0 20px 20px;
    flex-grow: 1; /* Allows description to take available space */
}

.page-khuyen-mai__promo-card .page-khuyen-mai__btn-primary--small {
    margin: 0 20px;
    align-self: flex-start; /* Align button to start of card */
    padding: 10px 20px;
    font-size: 0.9rem;
}

/* How To Claim Section */
.page-khuyen-mai__steps-list {
    list-style: none;
    padding: 0;
    margin-top: 30px;
}

.page-khuyen-mai__step-item {
    background-color: #F8F8F8;
    border-left: 5px solid #017439;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.page-khuyen-mai__step-title {
    font-size: 1.25rem;
    color: #017439;
    margin-top: 0;
    margin-bottom: 10px;
}

.page-khuyen-mai__step-item p {
    margin-bottom: 0;
}

.page-khuyen-mai__cta-wrapper {
    text-align: center;
    margin-top: 40px;
}

/* Terms Section */
.page-khuyen-mai__terms-list {
    list-style: disc;
    padding-left: 20px;
    margin-top: 20px;
}

.page-khuyen-mai__terms-item {
    margin-bottom: 10px;
}

.page-khuyen-mai__terms-item strong {
    color: #FFFFFF; /* Ensure strong tags are visible on dark background */
}

/* FAQ Section */
.page-khuyen-mai__faq-list {
    margin-top: 30px;
}

.page-khuyen-mai__faq-item {
    background-color: #F8F8F8;
    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 25px;
    font-size: 1.1rem;
    font-weight: 600;
    color: #017439;
    cursor: pointer;
    background-color: #E8F5E9; /* Lighter shade of green for summary */
    border-bottom: 1px solid #e0e0e0;
    list-style: none; /* Hide default marker */
}

.page-khuyen-mai__faq-item[open] .page-khuyen-mai__faq-question {
    border-bottom: 1px solid #d0d0d0;
}

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