:root {
    --primary-color: #113B7A;
    --secondary-color: #1D5FD1;
    --btn-gradient: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
    --card-bg: #10233F;
    --text-main: #F3F8FF;
    --text-secondary: #AFC4E8;
    --border-color: #244D84;
    --glow-color: #4FA8FF;
    --gold-color: #F2C14E;
    --divider-color: #1B3357;
    --deep-navy-color: #08162B; /* Body background color from shared.css */
}

.page-khuyen-mai {
    font-family: 'Arial', sans-serif;
    color: var(--text-main); /* Default text color for the page, assuming dark body bg */
    background-color: var(--deep-navy-color); /* Fallback, but body will have this */
}

/* Hero Section */
.page-khuyen-mai__hero-section {
    padding-top: 10px; /* Small top padding, assuming body handles header offset */
    padding-bottom: 60px;
    background-color: var(--primary-color);
    position: relative;
    overflow: hidden;
}

.page-khuyen-mai__hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 40px;
    padding: 60px 20px;
    position: relative;
    z-index: 1;
}

.page-khuyen-mai__hero-content {
    flex: 1;
    max-width: 55%;
    color: var(--text-main);
}

.page-khuyen-mai__hero-title {
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--gold-color);
    text-shadow: 0 0 10px rgba(242, 193, 78, 0.5);
}

.page-khuyen-mai__hero-description {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 30px;
    color: var(--text-secondary);
}

.page-khuyen-mai__hero-cta-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}