.page-khuyen-mai {
    font-family: 'Arial', sans-serif;
    color: #F2FFF6; /* Text Main */
    background-color: #08160F; /* Body background from shared.css, but ensure consistency */
}

.page-khuyen-mai__hero-section {
    padding-top: 10px; /* Minimal padding after shared header offset */
    padding-bottom: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden; /* Ensure content doesn't overflow */
}

.page-khuyen-mai__hero-image-wrapper {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    box-sizing: border-box;
}

.page-khuyen-mai__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover; /* Desktop: cover to fill space */
    border-radius: 8px;
    margin-bottom: 20px;
}

.page-khuyen-mai__hero-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

.page-khuyen-mai__main-title {
    font-size: clamp(2.2rem, 4vw, 3.5rem); /* Responsive font size */
    font-weight: 700;
    line-height: 1.2;
    color: #F2FFF6; /* Text Main */
    margin-bottom: 15px;
    letter-spacing: -0.03em;
}

.page-khuyen-mai__description {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #A7D9B8; /* Text Secondary */
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-khuyen-mai__cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 20px;
    width: 100%; /* Ensure container takes full width */
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}