/* style/khuyen-mai.css */
.page-khuyen-mai {
    font-family: 'Arial', sans-serif;
    color: #333333; /* Default text color for light background */
    background-color: #F5F7FA; /* Background color from custom scheme */
}

/* Hero Section */
.page-khuyen-mai__hero-section {
    padding-top: 10px; /* Small top padding, relying on body for header offset */
    padding-bottom: 60px;
    background: linear-gradient(90deg, #FF5A4F 0%, #E53935 100%); /* Brand gradient background */
    color: #ffffff; /* White text for dark background */
}

.page-khuyen-mai__hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 40px 20px;
    gap: 30px;
}

.page-khuyen-mai__hero-content {
    flex: 1 1 50%;
    max-width: 550px;
    text-align: left;
}

.page-khuyen-mai__hero-title {
    font-size: clamp(2.5rem, 4vw, 3.5rem); /* H1 font size with clamp */
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #ffffff;
}

.page-khuyen-mai__hero-description {
    font-size: 1.15rem;
    line-height: 1.6;
    margin-bottom: 30px;
    color: #f0f0f0;
}

.page-khuyen-mai__hero-cta-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap; /* Allow wrapping for multiple buttons */
    width: 100%; /* Ensure container takes full width */
    max-width: 100%;
    box-sizing: border-box;
}

.page-khuyen-mai__hero-image {
    flex: 1 1 40%;
    text-align: center;
    min-width: 300px; /* Ensure image isn't too small */
}

.page-khuyen-mai__hero-main-img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* General Section Styles */
.page-khuyen-mai__content-area {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

.page-khuyen-mai__section-title {
    font-size: clamp(2rem, 3.5vw, 2.8rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
    color: #E53935; /* Brand color for titles */
}

.page-khuyen-mai__section-description {
    font-size: 1.1rem;
    line-height: 1.6;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px;
    color: #333333;
}

/* Promotions Grid Section */
.page-khuyen-mai__promotions-grid-section {
    padding-top: 60px;
    padding-bottom: 60px;
    background-color: #F5F7FA; /* Light background */
    color: #333333;
}

.page-khuyen-mai__promo-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.page-khuyen-mai__promo-card {
    background-color: #FFFFFF; /* Card BG color */
    border: 1px solid #E0E0E0; /* Border color */
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
}

.page-khuyen-mai__promo-card-image {
    width: 100%;
    height: 200px; /* Fixed height for consistency, object-fit will handle aspect ratio */
    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: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #E53935;
}

.page-khuyen-mai__promo-card-text {
    font-size: 1rem;
    line-height: 1.5;
    margin-bottom: 20px;
    color: #555555;
    flex-grow: 1;
}

/* How To Claim Section */
.page-khuyen-mai__how-to-claim-section {
    padding-top: 60px;
    padding-bottom: 60px;
    background-color: #E53935; /* Dark background */
    color: #ffffff; /* White text */
}

.page-khuyen-mai__how-to-claim-section .page-khuyen-mai__section-title,
.page-khuyen-mai__how-to-claim-section .page-khuyen-mai__section-description {
    color: #ffffff;
}

.page-khuyen-mai__steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    text-align: center;
}

.page-khuyen-mai__step-item {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 30px 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.page-khuyen-mai__step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #FF5A4F;
    color: #ffffff;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.page-khuyen-mai__step-title {
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #ffffff;
}

.page-khuyen-mai__step-text {
    font-size: 1rem;
    line-height: 1.5;
    color: #f0f0f0;
}

/* FAQ Section */
.page-khuyen-mai__faq-section {
    padding-top: 60px;
    padding-bottom: 60px;
    background-color: #F5F7FA;
    color: #333333;
}

.page-khuyen-mai__faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.page-khuyen-mai__faq-item {
    background-color: #FFFFFF;
    border: 1px solid #E0E0E0;
    border-radius: 8px;
    margin-bottom: 15px;
    padding: 20px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.page-khuyen-mai__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-size: 1.15rem;
    font-weight: 600;
    color: #333333;
    list-style: none; /* For details/summary */
}

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

.page-khuyen-mai__faq-toggle {
    font-size: 1.8rem;
    line-height: 1;
    margin-left: 15px;
    color: #E53935;
}

.page-khuyen-mai__faq-answer {
    font-size: 1rem;
    line-height: 1.6;
    color: #555555;
    padding-top: 15px;
    border-top: 1px solid #E0E0E0;
    margin-top: 15px;
}

/* CTA Banner Section */
.page-khuyen-mai__cta-banner-section {
    padding-top: 80px;
    padding-bottom: 80px;
    background: linear-gradient(180deg, #E53935 0%, #FF5A4F 100%); /* Reverse gradient */
    color: #ffffff;
    text-align: center;
}

.page-khuyen-mai__cta-banner-content .page-khuyen-mai__section-title,
.page-khuyen-mai__cta-banner-content .page-khuyen-mai__section-description {
    color: #ffffff;
}

/* Buttons */
.page-khuyen-mai__btn-primary {
    display: inline-block;
    background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%); /* Button gradient */
    color: #ffffff;
    padding: 14px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-align: center;
    white-space: normal; /* Allow text wrapping */
    word-wrap: break-word; /* Allow text wrapping */
    box-sizing: border-box;
}

.page-khuyen-mai__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.page-khuyen-mai__btn-secondary {
    display: inline-block;
    background-color: #ffffff;
    color: #E53935;
    padding: 14px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    transition: all 0.3s ease;
    border: 2px solid #E53935;
    cursor: pointer;
    text-align: center;
    white-space: normal; /* Allow text wrapping */
    word-wrap: break-word; /* Allow text wrapping */
    box-sizing: border-box;
}

.page-khuyen-mai__btn-secondary:hover {
    background-color: #f0f0f0;
    transform: translateY(-2px);
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-khuyen-mai__hero-title {
        font-size: clamp(2.2rem, 4.5vw, 3rem);
    }
    .page-khuyen-mai__section-title {
        font-size: clamp(1.8rem, 4vw, 2.5rem);
    }
    .page-khuyen-mai__hero-container {
        padding: 30px 15px;
    }
    .page-khuyen-mai__content-area {
        padding: 30px 15px;
    }
}

@media (max-width: 768px) {
    /* Hero Section */
    .page-khuyen-mai__hero-section {
        padding-top: 10px !important; /* Small top padding, relying on body for header offset */
        padding-bottom: 40px;
    }
    .page-khuyen-mai__hero-container {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    .page-khuyen-mai__hero-content {
        flex: 1 1 100%;
        max-width: 100%;
        text-align: center;
    }
    .page-khuyen-mai__hero-title {
        font-size: 2.2rem !important; /* Specific size for mobile */
    }
    .page-khuyen-mai__hero-description {
        font-size: 1rem;
    }
    .page-khuyen-mai__hero-cta-buttons {
        flex-direction: column; /* Stack buttons vertically */
        gap: 10px;
        width: 100%;
        max-width: 100%;
        padding: 0 15px;
        box-sizing: border-box;
    }
    .page-khuyen-mai__hero-image {
        flex: 1 1 100%;
        min-width: unset;
        width: 100%;
        padding: 0 15px;
        box-sizing: border-box;
    }
    .page-khuyen-mai__hero-main-img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }

    /* General Section Styles */
    .page-khuyen-mai__content-area {
        padding: 20px 15px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }
    .page-khuyen-mai__section-title {
        font-size: 1.8rem !important;
        margin-bottom: 15px;
    }
    .page-khuyen-mai__section-description {
        font-size: 0.95rem;
        margin-bottom: 30px;
        padding: 0 10px;
    }

    /* Promotions Grid Section */
    .page-khuyen-mai__promotions-grid-section {
        padding-top: 40px;
        padding-bottom: 40px;
    }
    .page-khuyen-mai__promo-cards-grid {
        grid-template-columns: 1fr; /* Single column for mobile */
        gap: 20px;
    }
    .page-khuyen-mai__promo-card-image {
        height: 180px !important; /* Adjust height for mobile */
        width: 100% !important;
        object-fit: cover !important;
    }
    .page-khuyen-mai__promo-card-title {
        font-size: 1.3rem;
    }
    .page-khuyen-mai__promo-card-text {
        font-size: 0.9rem;
    }

    /* How To Claim Section */
    .page-khuyen-mai__how-to-claim-section {
        padding-top: 40px;
        padding-bottom: 40px;
    }
    .page-khuyen-mai__steps-grid {
        grid-template-columns: 1fr; /* Single column for mobile */
        gap: 20px;
    }
    .page-khuyen-mai__step-number {
        width: 45px;
        height: 45px;
        font-size: 1.6rem;
    }
    .page-khuyen-mai__step-title {
        font-size: 1.2rem;
    }
    .page-khuyen-mai__step-text {
        font-size: 0.9rem;
    }

    /* FAQ Section */
    .page-khuyen-mai__faq-section {
        padding-top: 40px;
        padding-bottom: 40px;
    }
    .page-khuyen-mai__faq-item {
        padding: 15px;
        margin-bottom: 10px;
    }
    .page-khuyen-mai__faq-question {
        font-size: 1rem;
    }
    .page-khuyen-mai__faq-toggle {
        font-size: 1.5rem;
    }
    .page-khuyen-mai__faq-answer {
        font-size: 0.9rem;
        padding-top: 10px;
        margin-top: 10px;
    }

    /* CTA Banner Section */
    .page-khuyen-mai__cta-banner-section {
        padding-top: 60px;
        padding-bottom: 60px;
    }
    .page-khuyen-mai__cta-banner-content {
        padding: 20px 15px;
    }

    /* Buttons Mobile Specific */
    .page-khuyen-mai__btn-primary,
    .page-khuyen-mai__btn-secondary,
    .page-khuyen-mai a[class*="button"],
    .page-khuyen-mai a[class*="btn"] {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        padding-left: 15px !important;
        padding-right: 15px !important;
        font-size: 1rem !important;
    }

    /* All images responsive */
    .page-khuyen-mai img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
}