/* style/khuyen-mai.css */
:root {
    --primary-color: #C61F1F;
    --secondary-color: #E53030;
    --bg-color: #140C0C;
    --card-bg: #2A1212;
    --text-main: #FFF1E8;
    --border-color: #6A1E1E;
    --gold-color: #F3C54D;
    --deep-red: #7E0D0D;
    --button-gradient: linear-gradient(180deg, #FFB04A 0%, #D86A14 100%);
}

.page-khuyen-mai {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: Arial, sans-serif;
    line-height: 1.6;
    padding-bottom: 40px;
}

.page-khuyen-mai__hero-section {
    padding-top: 10px; /* Adhere to 10px top padding if body padding-top is handled by shared */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    padding-bottom: 40px;
}

.page-khuyen-mai__hero-image-wrapper {
    width: 100%;
    max-height: 675px; /* Limit height for hero image */
    overflow: hidden;
}

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

.page-khuyen-mai__hero-content {
    position: relative;
    z-index: 2;
    padding: 20px 15px;
    max-width: 900px;
    margin: 0 auto;
}

.page-khuyen-mai__main-title {
    font-size: 3em;
    font-weight: bold;
    color: var(--gold-color);
    margin-bottom: 15px;
    line-height: 1.2;
}

.page-khuyen-mai__intro-description {
    font-size: 1.1em;
    margin-bottom: 30px;
    color: var(--text-main);
}

.page-khuyen-mai__section-title {
    font-size: 2.5em;
    color: var(--gold-color);
    text-align: center;
    margin-bottom: 20px;
    padding-top: 40px;
}

.page-khuyen-mai__section-description {
    font-size: 1.1em;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px auto;
    color: var(--text-main);
}

.page-khuyen-mai__promo-grid,
.page-khuyen-mai__steps-grid,
.page-khuyen-mai__feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 15px;
}

.page-khuyen-mai__promo-card,
.page-khuyen-mai__content-block,
.page-khuyen-mai__step-item,
.page-khuyen-mai__feature-item,
.page-khuyen-mai__faq-item {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-main);
}

.page-khuyen-mai__card-image,
.page-khuyen-mai__content-image {
    width: 100%;
    height: 200px; /* Fixed height for consistency in grid */
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
    display: block;
}

.page-khuyen-mai__card-title,
.page-khuyen-mai__content-subtitle,
.page-khuyen-mai__step-title,
.page-khuyen-mai__feature-title {
    font-size: 1.5em;
    color: var(--gold-color);
    margin-bottom: 15px;
    font-weight: bold;
}

.page-khuyen-mai__card-text {
    font-size: 1em;
    color: var(--text-main);
    margin-bottom: 20px;
    flex-grow: 1;
}

.page-khuyen-mai__btn-primary,
.page-khuyen-mai__btn-secondary {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.05em;
    transition: all 0.3s ease;
    white-space: normal;
    word-wrap: break-word;
    max-width: 100%;
    box-sizing: border-box;
}

.page-khuyen-mai__btn-primary {
    background: var(--button-gradient);
    color: var(--text-main);
    border: none;
}

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

.page-khuyen-mai__btn-secondary {
    background: transparent;
    color: var(--gold-color);
    border: 2px solid var(--gold-color);
}

.page-khuyen-mai__btn-secondary:hover {
    background: var(--gold-color);
    color: var(--bg-color);
    transform: translateY(-2px);
}

.page-khuyen-mai__content-block {
    text-align: left;
    margin: 20px auto;
    max-width: 900px;
    padding: 30px;
}

.page-khuyen-mai__list {
    list-style-type: disc;
    padding-left: 20px;
    margin-bottom: 20px;
    color: var(--text-main);
    text-align: left;
}

.page-khuyen-mai__list li {
    margin-bottom: 10px;
}

.page-khuyen-mai__step-number {
    background-color: var(--primary-color);
    color: var(--text-main);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2em;
    font-weight: bold;
    margin-bottom: 20px;
}

.page-khuyen-mai__feature-icon {
    width: 100px;
    height: 100px;
    object-fit: contain;
    margin-bottom: 15px;
    display: block;
}

.page-khuyen-mai__faq-list {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 15px;
}

.page-khuyen-mai__faq-item {
    margin-bottom: 15px;
    text-align: left;
    overflow: hidden;
}

.page-khuyen-mai__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-size: 1.2em;
    font-weight: bold;
    color: var(--gold-color);
    padding: 15px 20px;
    background-color: var(--deep-red);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    list-style: none;
}

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

.page-khuyen-mai__faq-qtext {
    flex-grow: 1;
    color: var(--text-main);
}

.page-khuyen-mai__faq-toggle {
    font-size: 1.5em;
    margin-left: 15px;
    color: var(--gold-color);
}

.page-khuyen-mai__faq-answer {
    padding: 20px;
    background-color: rgba(42, 18, 18, 0.8); /* Slightly lighter card background for answer */
    border-top: none;
    border-radius: 0 0 8px 8px;
    color: var(--text-main);
    font-size: 1em;
    line-height: 1.5;
}

.page-khuyen-mai__cta-section {
    text-align: center;
    padding: 40px 15px;
}

.page-khuyen-mai__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-khuyen-mai__main-title {
        font-size: 2.5em;
    }

    .page-khuyen-mai__section-title {
        font-size: 2em;
    }
}

@media (max-width: 768px) {
    .page-khuyen-mai {
        font-size: 16px;
        line-height: 1.6;
    }

    .page-khuyen-mai__hero-section {
        padding-top: 10px !important;
    }

    .page-khuyen-mai__hero-image {
        object-fit: contain !important; /* Ensure image is not cropped on mobile */
        max-height: none !important;
        aspect-ratio: unset !important;
    }

    .page-khuyen-mai__hero-content {
        padding: 20px 10px;
    }

    .page-khuyen-mai__main-title {
        font-size: 2em;
        max-width: 100%;
    }

    .page-khuyen-mai__intro-description,
    .page-khuyen-mai__section-description {
        font-size: 1em;
        padding: 0 10px;
    }

    .page-khuyen-mai__section-title {
        font-size: 1.8em;
        padding-top: 20px;
    }

    .page-khuyen-mai__promo-grid,
    .page-khuyen-mai__steps-grid,
    .page-khuyen-mai__feature-list {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 10px;
    }

    .page-khuyen-mai__promo-card,
    .page-khuyen-mai__content-block,
    .page-khuyen-mai__step-item,
    .page-khuyen-mai__feature-item,
    .page-khuyen-mai__faq-item {
        padding: 20px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        margin-left: auto;
        margin-right: auto;
    }

    .page-khuyen-mai__card-image,
    .page-khuyen-mai__content-image,
    .page-khuyen-mai img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        object-fit: contain !important; /* Ensure images fit without cropping */
        box-sizing: border-box !important;
    }

    .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;
        padding-right: 15px;
    }

    .page-khuyen-mai__cta-buttons,
    .page-khuyen-mai__button-group,
    .page-khuyen-mai__btn-container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        flex-direction: column !important;
        gap: 15px;
    }

    .page-khuyen-mai__faq-question {
        font-size: 1.1em;
        padding: 12px 15px;
    }

    .page-khuyen-mai__faq-answer {
        padding: 15px;
    }

    .page-khuyen-mai__feature-icon {
        width: 80px;
        height: 80px;
    }
}

/* Ensure content containers also adapt */
.page-khuyen-mai__highlight-promos,
.page-khuyen-mai__promo-types,
.page-khuyen-mai__terms-conditions,
.page-khuyen-mai__how-to-claim,
.page-khuyen-mai__why-choose,
.page-khuyen-mai__faq-section,
.page-khuyen-mai__cta-section {
    max-width: 100%;
    width: 100%;
    box-sizing: border-box;
    overflow-x: hidden;
}

@media (max-width: 768px) {
    .page-khuyen-mai__highlight-promos,
    .page-khuyen-mai__promo-types,
    .page-khuyen-mai__terms-conditions,
    .page-khuyen-mai__how-to-claim,
    .page-khuyen-mai__why-choose,
    .page-khuyen-mai__faq-section,
    .page-khuyen-mai__cta-section {
        padding-left: 15px;
        padding-right: 15px;
    }
}