/* style/khuyen-mai.css */

/* Custom properties for colors */
:root {
    --primary-color: #FF8C1A;
    --secondary-color: #FFA53A;
    --button-gradient: linear-gradient(180deg, #FFA53A 0%, #D96800 100%);
    --card-bg: #17191F;
    --body-bg: #0D0E12;
    --text-main: #FFF3E6;
    --border-color: #A84F0C;
    --glow-color: #FFB04D;
    --deep-orange: #D96800;
}

/* General styles for the page */
.page-khuyen-mai {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-main); /* #FFF3E6 - light text for dark background */
    background-color: var(--body-bg); /* #0D0E12 */
}

.page-khuyen-mai__container {
    max-width: 1170px;
    margin: 0 auto;
    padding: 40px 16px;
    box-sizing: border-box;
}

.page-khuyen-mai__section-title {
    font-size: 2.5em;
    font-weight: bold;
    color: var(--primary-color); /* #FF8C1A */
    text-align: center;
    margin-bottom: 20px;
    line-height: 1.2;
}

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

/* Hero Section */
.page-khuyen-mai__hero-section {
    padding-top: 10px; /* Small top padding, body handles header offset */
    padding-bottom: 60px;
    background: var(--body-bg); /* Dark background */
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-khuyen-mai__hero-container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    max-width: 1170px;
    margin: 0 auto;
    padding: 40px 16px;
    box-sizing: border-box;
}

.page-khuyen-mai__hero-content {
    flex: 1 1 50%;
    min-width: 300px;
    color: var(--text-main); /* Light text */
}

.page-khuyen-mai__main-title {
    font-size: 3.2em;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--primary-color); /* #FF8C1A */
}

.page-khuyen-mai__hero-description {
    font-size: 1.2em;
    margin-bottom: 30px;
    color: var(--text-main);
}

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

.page-khuyen-mai__cta-buttons--center {
    justify-content: center;
    margin-top: 40px;
}

.page-khuyen-mai__btn-primary,
.page-khuyen-mai__btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: all 0.3s ease;
    box-sizing: border-box;
    max-width: 100%;
    white-space: normal;
    word-wrap: break-word;
    text-align: center;
}

.page-khuyen-mai__btn-primary {
    background: var(--button-gradient); /* linear-gradient(180deg, #FFA53A 0%, #D96800 100%) */
    color: var(--text-main); /* #FFF3E6 */
    border: 2px solid var(--deep-orange); /* #D96800 */
}

.page-khuyen-mai__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 140, 26, 0.4);
}

.page-khuyen-mai__btn-secondary {
    background-color: transparent;
    color: var(--primary-color); /* #FF8C1A */
    border: 2px solid var(--primary-color); /* #FF8C1A */
}

.page-khuyen-mai__btn-secondary:hover {
    background-color: var(--primary-color); /* #FF8C1A */
    color: var(--body-bg); /* #0D0E12 */
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 140, 26, 0.2);
}

.page-khuyen-mai__hero-image {
    flex: 1 1 40%;
    min-width: 300px;
    text-align: center;
}

.page-khuyen-mai__hero-side-image {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* Intro Section */
.page-khuyen-mai__intro-section {
    padding: 60px 0;
    background-color: var(--body-bg);
}

.page-khuyen-mai__icon-boxes {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
    margin-top: 40px;
}

.page-khuyen-mai__icon-box {
    flex: 1 1 30%; /* Approx 3 items per row */
    min-width: 280px;
    background-color: var(--card-bg); /* #17191F */
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
    box-sizing: border-box;
    border: 1px solid var(--border-color); /* #A84F0C */
}

.page-khuyen-mai__icon-box:hover {
    transform: translateY(-10px);
}

.page-khuyen-mai__icon-box-media {
    width: 180px; /* Smaller for intro boxes */
    height: 180px;
    aspect-ratio: 1/1;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--primary-color); /* #FF8C1A */
    box-shadow: 0 0 15px var(--glow-color); /* #FFB04D */
}

.page-khuyen-mai__icon-box-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 50%; /* Ensure circular image */
}

.page-khuyen-mai__icon-box-title {
    font-size: 1.4em;
    font-weight: bold;
    color: var(--primary-color); /* #FF8C1A */
    margin-bottom: 15px;
}

.page-khuyen-mai__icon-box-text {
    font-size: 1em;
    color: var(--text-main);
}

/* Promotion Section */
.page-khuyen-mai__promo-section {
    padding: 60px 0;
    background-color: var(--body-bg);
}

.page-khuyen-mai__promo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-khuyen-mai__promo-card {
    background-color: var(--card-bg); /* #17191F */
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color); /* #A84F0C */
    transition: transform 0.3s ease;
}

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

.page-khuyen-mai__promo-image {
    width: 100%;
    height: 200px; /* Fixed height for consistency */
    object-fit: cover;
    display: block;
}

.page-khuyen-mai__promo-content {
    padding: 25px;
    color: var(--text-main);
}

.page-khuyen-mai__promo-title {
    font-size: 1.5em;
    font-weight: bold;
    color: var(--primary-color); /* #FF8C1A */
    margin-bottom: 15px;
}

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

/* Guide Section */
.page-khuyen-mai__guide-section {
    padding: 60px 0;
    background-color: var(--body-bg);
}

.page-khuyen-mai__guide-list {
    list-style: none;
    padding: 0;
    max-width: 800px;
    margin: 40px auto 0;
}

.page-khuyen-mai__guide-item {
    background-color: var(--card-bg); /* #17191F */
    border-radius: 8px;
    padding: 20px 25px;
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    gap: 15px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color); /* #A84F0C */
}

.page-khuyen-mai__guide-step {
    font-size: 1.2em;
    font-weight: bold;
    color: var(--secondary-color); /* #FFA53A */
    flex-shrink: 0;
}

.page-khuyen-mai__guide-text {
    font-size: 1.1em;
    color: var(--text-main);
    margin: 0;
}

.page-khuyen-mai__text-link {
    color: var(--primary-color); /* #FF8C1A */
    text-decoration: underline;
    transition: color 0.3s ease;
}

.page-khuyen-mai__text-link:hover {
    color: var(--secondary-color); /* #FFA53A */
}

/* FAQ Section */
.page-khuyen-mai__faq-section {
    padding: 60px 0;
    background-color: var(--body-bg);
}

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

.page-khuyen-mai__faq-item {
    background-color: var(--card-bg); /* #17191F */
    border-radius: 8px;
    margin-bottom: 15px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color); /* #A84F0C */
    overflow: hidden; /* For smooth transition on details */
}

.page-khuyen-mai__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.2em;
    font-weight: bold;
    color: var(--primary-color); /* #FF8C1A */
    cursor: pointer;
    background-color: var(--card-bg);
    transition: background-color 0.3s ease;
    list-style: none; /* Hide default marker */
}

.page-khuyen-mai__faq-question::-webkit-details-marker {
    display: none; /* Hide default marker for webkit */
}

.page-khuyen-mai__faq-question:hover {
    background-color: rgba(255, 140, 26, 0.1); /* Subtle hover effect */
}

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

.page-khuyen-mai__faq-toggle {
    font-size: 1.5em;
    margin-left: 15px;
    color: var(--secondary-color); /* #FFA53A */
}

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

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

/* ==========================================================================
   Responsive Styles (max-width: 768px) - MUST INCLUDE ALL MODULES
   ========================================================================== */
@media (max-width: 768px) {
    .page-khuyen-mai__container {
        padding: 20px 15px !important; /* Smaller padding on mobile */
    }

    .page-khuyen-mai__section-title {
        font-size: 2em !important;
        margin-bottom: 15px !important;
    }

    .page-khuyen-mai__section-description {
        font-size: 1em !important;
        margin-bottom: 25px !important;
    }

    /* HERO Section */
    .page-khuyen-mai__hero-section {
        padding-top: 10px !important; /* Adhere to body padding-top */
        padding-bottom: 40px !important;
    }

    .page-khuyen-mai__hero-container {
        flex-direction: column !important; /* Stack content vertically */
        padding: 20px 15px !important;
        gap: 20px !important;
    }
    
    .page-khuyen-mai__hero-content {
        order: 2 !important; /* Content below image */
        text-align: center !important;
    }

    .page-khuyen-mai__hero-image {
        order: 1 !important; /* Image above content */
    }

    .page-khuyen-mai__main-title {
        font-size: 2.2em !important;
    }

    .page-khuyen-mai__hero-description {
        font-size: 1em !important;
    }

    .page-khuyen-mai__cta-buttons {
        flex-direction: column !important; /* Stack buttons vertically */
        gap: 15px !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 15px !important; /* Add padding to button container */
    }

    /* Buttons mobile adaptation */
    .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; /* Ensure padding on buttons themselves */
        padding-right: 15px !important;
    }
    
    .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 !important;
        padding-right: 15px !important;
        flex-wrap: wrap !important;
        gap: 10px !important;
    }

    /* Intro Section */
    .page-khuyen-mai__intro-section {
        padding: 40px 0 !important;
    }

    .page-khuyen-mai__icon-boxes {
        flex-direction: column !important; /* Stack icon boxes vertically */
        gap: 20px !important;
    }

    .page-khuyen-mai__icon-box {
        flex: 1 1 100% !important; /* Full width */
        padding: 20px !important;
    }

    .page-khuyen-mai__icon-box-media {
        width: 150px !important; /* Adjust size for mobile */
        height: 150px !important;
        border-width: 2px !important;
    }

    .page-khuyen-mai__icon-box-title {
        font-size: 1.2em !important;
    }

    /* Promo Section */
    .page-khuyen-mai__promo-section {
        padding: 40px 0 !important;
    }

    .page-khuyen-mai__promo-grid {
        grid-template-columns: 1fr !important; /* Single column for promo cards */
        gap: 20px !important;
    }

    .page-khuyen-mai__promo-image {
        height: 180px !important; /* Adjust height for mobile */
    }

    .page-khuyen-mai__promo-content {
        padding: 20px !important;
    }

    .page-khuyen-mai__promo-title {
        font-size: 1.3em !important;
    }

    /* Guide Section */
    .page-khuyen-mai__guide-section {
        padding: 40px 0 !important;
    }

    .page-khuyen-mai__guide-list {
        margin-top: 20px !important;
    }

    .page-khuyen-mai__guide-item {
        flex-direction: column !important; /* Stack step and text */
        align-items: flex-start !important;
        padding: 15px 20px !important;
        gap: 5px !important;
    }

    .page-khuyen-mai__guide-step {
        font-size: 1.1em !important;
    }

    .page-khuyen-mai__guide-text {
        font-size: 1em !important;
    }

    /* FAQ Section */
    .page-khuyen-mai__faq-section {
        padding: 40px 0 !important;
    }

    .page-khuyen-mai__faq-list {
        margin-top: 20px !important;
    }

    .page-khuyen-mai__faq-question {
        padding: 15px 20px !important;
        font-size: 1.1em !important;
    }

    .page-khuyen-mai__faq-toggle {
        font-size: 1.3em !important;
    }

    .page-khuyen-mai__faq-answer {
        padding: 0 20px 15px !important;
    }

    /* General image responsiveness for content areas */
    .page-khuyen-mai img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }

    .page-khuyen-mai__section,
    .page-khuyen-mai__card,
    .page-khuyen-mai__container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px !important;
        padding-right: 15px !important;
    }
}