/* style/khuyen-mai.css */

:root {
    --primary-color: #11A84E;
    --secondary-color: #22C768;
    --button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
    --card-bg: #11271B;
    --background-color: #08160F;
    --text-main: #F2FFF6;
    --text-secondary: #A7D9B8;
    --border-color: #2E7A4E;
    --glow-color: #57E38D;
    --gold-color: #F2C14E;
    --divider-color: #1E3A2A;
    --deep-green-color: #0A4B2C;
}

.page-khuyen-mai {
    font-family: 'Arial', sans-serif;
    color: var(--text-main); /* Default text color for the page content */
    background-color: var(--background-color); /* Overall page background */
    line-height: 1.6;
}

.page-khuyen-mai__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    box-sizing: border-box;
}

/* Hero Section */
.page-khuyen-mai__hero-section {
    position: relative;
    overflow: hidden;
    padding-top: 10px; /* Small top padding, relying on body for header offset */
    background: var(--deep-green-color);
    color: var(--text-main);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.page-khuyen-mai__hero-image-wrapper {
    width: 100%;
    max-height: 675px;
    overflow: hidden;
    margin-bottom: 20px;
}

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

.page-khuyen-mai__hero-content {
    max-width: 900px;
    padding: 20px;
    z-index: 1;
    position: relative; /* Ensure content is above any potential background elements */
}

.page-khuyen-mai__main-title {
    font-size: clamp(2.5em, 5vw, 3.5em); /* Responsive font size */
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--gold-color);
    text-shadow: 0 0 10px var(--glow-color);
    line-height: 1.2;
}

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

.page-khuyen-mai__cta-button {
    display: inline-block;
    padding: 15px 30px;
    background: var(--button-gradient);
    color: var(--text-main);
    font-weight: 700;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-khuyen-mai__cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-khuyen-mai__cta-button--small {
    padding: 10px 20px;
    font-size: 0.9em;
}

.page-khuyen-mai__cta-button--large {
    padding: 18px 35px;
    font-size: 1.2em;
}

/* Section Titles */
.page-khuyen-mai__section-title {
    font-size: 2.5em;
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
    color: var(--gold-color);
    text-shadow: 0 0 8px rgba(242, 193, 78, 0.5);
}

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

/* Promotion Types Section */
.page-khuyen-mai__promotion-types {
    padding: 60px 0;
    background-color: var(--background-color);
}

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

.page-khuyen-mai__promotion-card {
    background-color: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page-khuyen-mai__promotion-card:hover {
    transform: translateY(-5px);
}

.page-khuyen-mai__card-image {
    width: 100%;
    height: 225px; /* Fixed height for consistency */
    object-fit: cover;
    display: block;
}

.page-khuyen-mai__card-title {
    font-size: 1.5em;
    font-weight: 600;
    color: var(--text-main);
    padding: 15px 20px 10px;
    min-height: 60px;
}

.page-khuyen-mai__card-description {
    font-size: 0.95em;
    color: var(--text-secondary);
    padding: 0 20px 15px;
    flex-grow: 1;
}

.page-khuyen-mai__card-button {
    display: block;
    text-align: center;
    padding: 12px 20px;
    background: var(--button-gradient);
    color: var(--text-main);
    text-decoration: none;
    font-weight: 600;
    border-radius: 0 0 8px 8px;
    transition: background 0.3s ease;
}

.page-khuyen-mai__card-button:hover {
    opacity: 0.9;
}

/* How to Claim Section */
.page-khuyen-mai__how-to-claim {
    padding: 60px 0;
    background-color: var(--deep-green-color);
    color: var(--text-main);
}

.page-khuyen-mai__guide-content {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.page-khuyen-mai__guide-steps {
    flex: 1;
}

.page-khuyen-mai__guide-subtitle {
    font-size: 1.8em;
    color: var(--gold-color);
    margin-top: 30px;
    margin-bottom: 15px;
}

.page-khuyen-mai__list {
    list-style-type: none;
    padding: 0;
    margin-bottom: 20px;
}

.page-khuyen-mai__list li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 10px;
    color: var(--text-secondary);
}

.page-khuyen-mai__list li::before {
    content: '✅';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
}

.page-khuyen-mai__list ol li::before {
    content: counter(list-item) '. ';
    counter-increment: list-item;
    font-weight: bold;
    color: var(--gold-color);
    left: 0;
}

.page-khuyen-mai__guide-image-wrapper {
    flex: 1;
    max-width: 600px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.page-khuyen-mai__guide-image {
    width: 100%;
    height: auto;
    display: block;
}

/* Why Choose Section */
.page-khuyen-mai__why-choose {
    padding: 60px 0;
    background-color: var(--background-color);
    color: var(--text-main);
}

.page-khuyen-mai__benefits-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    list-style-type: none;
    padding: 0;
    margin-top: 40px;
}

.page-khuyen-mai__benefits-item {
    background-color: var(--card-bg);
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
}

.page-khuyen-mai__benefits-title {
    font-size: 1.6em;
    color: var(--gold-color);
    margin-bottom: 10px;
}

.page-khuyen-mai__benefits-description {
    font-size: 0.95em;
    color: var(--text-secondary);
}

.page-khuyen-mai__image-center {
    text-align: center;
    margin-top: 50px;
}

.page-khuyen-mai__benefit-visual {
    max-width: 800px;
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

/* FAQ Section */
.page-khuyen-mai__faq-section {
    padding: 60px 0;
    background-color: var(--deep-green-color);
    color: var(--text-main);
}

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

.page-khuyen-mai__faq-item {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    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: 1.2em;
    font-weight: 600;
    color: var(--text-main);
    cursor: pointer;
    background-color: var(--card-bg);
    transition: background-color 0.3s ease;
}

.page-khuyen-mai__faq-question:hover {
    background-color: #1a3429; /* Slightly darker hover */
}

.page-khuyen-mai__faq-qtext {
    flex-grow: 1;
}

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

.page-khuyen-mai__faq-item[open] .page-khuyen-mai__faq-toggle {
    content: '-';
}

.page-khuyen-mai__faq-answer {
    padding: 0 25px 20px;
    font-size: 1em;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Conclusion CTA Section */
.page-khuyen-mai__conclusion-cta {
    padding: 60px 0;
    background-color: var(--background-color);
    text-align: center;
    color: var(--text-main);
}

/* General Image & Button Responsive */
.page-khuyen-mai img {
    max-width: 100%;
    height: auto;
    display: block;
}

.page-khuyen-mai__cta-button,
.page-khuyen-mai__card-button,
.page-khuyen-mai a[class*="button"],
.page-khuyen-mai a[class*="btn"] {
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-khuyen-mai__cta-buttons,
.page-khuyen-mai__button-group,
.page-khuyen-mai__btn-container {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-khuyen-mai__main-title {
        font-size: clamp(2em, 4.5vw, 3em);
    }

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

    .page-khuyen-mai__promotion-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 20px;
    }

    .page-khuyen-mai__guide-content {
        flex-direction: column;
        align-items: center;
    }

    .page-khuyen-mai__guide-image-wrapper {
        margin-top: 30px;
    }

    .page-khuyen-mai__benefits-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .page-khuyen-mai__container {
        padding: 15px;
    }

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

    .page-khuyen-mai__main-title {
        font-size: clamp(1.8em, 8vw, 2.5em);
    }

    .page-khuyen-mai__description {
        font-size: 1em;
    }

    .page-khuyen-mai__cta-button {
        width: 100% !important;
        max-width: 100% !important;
        padding: 12px 20px !important;
        font-size: 1em !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    .page-khuyen-mai__section-title {
        font-size: 1.8em;
    }

    .page-khuyen-mai__section-intro {
        font-size: 0.95em;
        margin-bottom: 30px;
    }

    .page-khuyen-mai__promotion-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-khuyen-mai__card-title {
        font-size: 1.3em;
    }

    .page-khuyen-mai__card-description {
        font-size: 0.9em;
    }

    .page-khuyen-mai__guide-content {
        flex-direction: column;
        gap: 20px;
    }

    .page-khuyen-mai__guide-subtitle {
        font-size: 1.5em;
    }

    .page-khuyen-mai__guide-image-wrapper {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-khuyen-mai__guide-image {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }

    .page-khuyen-mai__benefits-list {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-khuyen-mai__benefits-title {
        font-size: 1.4em;
    }

    .page-khuyen-mai__benefit-visual {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }

    .page-khuyen-mai__faq-question {
        font-size: 1em;
        padding: 15px 20px;
    }

    .page-khuyen-mai__faq-answer {
        padding: 0 20px 15px;
        font-size: 0.95em;
    }

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

    /* Ensure all image containers are responsive */
    .page-khuyen-mai__hero-image-wrapper,
    .page-khuyen-mai__promotion-card,
    .page-khuyen-mai__guide-image-wrapper,
    .page-khuyen-mai__image-center {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
        padding-left: 0;
        padding-right: 0;
    }

    /* Ensure all button containers are responsive */
    .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: 10px;
    }

    /* Specific fix for hero content padding on mobile */
    .page-khuyen-mai__hero-content {
        padding-left: 15px;
        padding-right: 15px;
    }
}