:root {
    --primary-color: #11A84E;
    --secondary-color: #22C768;
    --bg-color: #08160F;
    --card-bg: #11271B;
    --text-main: #F2FFF6;
    --text-secondary: #A7D9B8;
    --border-color: #2E7A4E;
    --glow-color: #57E38D;
    --gold-color: #F2C14E;
    --divider-color: #1E3A2A;
    --deep-green: #0A4B2C;
}

.page-khuynmi {
    font-family: 'Arial', sans-serif;
    color: var(--text-main);
    background-color: var(--bg-color);
    line-height: 1.6;
}

.page-khuynmi__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
    box-sizing: border-box;
}

.page-khuynmi__section-title {
    font-size: 2.5em;
    color: var(--gold-color);
    text-align: center;
    margin-bottom: 40px;
    font-weight: 700;
    line-height: 1.2;
    text-shadow: 0 0 10px rgba(242, 193, 78, 0.4);
}

/* Hero Section */
.page-khuynmi__hero-section {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 10px 0 60px 0; /* body handles padding-top, only small decorative padding here */
    background-color: var(--deep-green);
    overflow: hidden;
}

.page-khuynmi__hero-image-wrapper {
    width: 100%;
    max-height: 600px; /* Limit height for hero image */
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

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

.page-khuynmi__hero-content {
    text-align: center;
    padding: 40px 15px;
    max-width: 900px;
    margin-top: -80px; /* Pull content up slightly over the image for visual flow */
    position: relative;
    z-index: 1;
    background: linear-gradient(180deg, rgba(8, 22, 15, 0.8) 0%, rgba(8, 22, 15, 1) 100%);
    border-radius: 15px;
    padding-bottom: 60px;
}

.page-khuynmi__main-title {
    font-size: clamp(2.2em, 4vw, 3.5em); /* Responsive font size */
    color: var(--gold-color);
    margin-bottom: 20px;
    font-weight: 800;
    line-height: 1.2;
    text-shadow: 0 0 15px rgba(242, 193, 78, 0.6);
}

.page-khuynmi__description {
    font-size: 1.1em;
    color: var(--text-secondary);
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.page-khuynmi__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.page-khuynmi__btn-primary,
.page-khuynmi__btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1em;
    transition: all 0.3s ease;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
    text-align: center;
    max-width: 100%;
}

.page-khuynmi__btn-primary {
    background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 15px rgba(42, 209, 111, 0.4);
}

.page-khuynmi__btn-primary:hover {
    background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(42, 209, 111, 0.6);
}

.page-khuynmi__btn-secondary {
    background: transparent;
    color: var(--glow-color);
    border: 2px solid var(--glow-color);
    box-shadow: 0 4px 10px rgba(87, 227, 141, 0.2);
}

.page-khuynmi__btn-secondary:hover {
    background: var(--glow-color);
    color: var(--bg-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(87, 227, 141, 0.4);
}

/* General Section Styling */
.page-khuynmi__introduction-section,
.page-khuynmi__promo-types-section,
.page-khuynmi__how-to-claim-section,
.page-khuynmi__tips-section,
.page-khuynmi__faq-section,
.page-khuynmi__conclusion-section {
    padding: 80px 0;
    position: relative;
}

.page-khuynmi__introduction-section,
.page-khuynmi__how-to-claim-section,
.page-khuynmi__faq-section,
.page-khuynmi__conclusion-section {
    background-color: var(--bg-color);
    color: var(--text-main);
}

.page-khuynmi__promo-types-section,
.page-khuynmi__tips-section {
    background-color: var(--card-bg);
    color: var(--text-main);
}

.page-khuynmi__content-block p {
    margin-bottom: 20px;
    font-size: 1.05em;
    color: var(--text-secondary);
}

.page-khuynmi__content-block p:last-child {
    margin-bottom: 0;
}

.page-khuynmi__text-link {
    color: var(--glow-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.page-khuynmi__text-link:hover {
    color: var(--gold-color);
    text-decoration: underline;
}

/* Promo Types Grid */
.page-khuynmi__promo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.page-khuynmi__promo-card,
.page-khuynmi__step-card,
.page-khuynmi__tip-item {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page-khuynmi__promo-card:hover,
.page-khuynmi__step-card:hover,
.page-khuynmi__tip-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.page-khuynmi__promo-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
    display: block;
}

.page-khuynmi__promo-card-title,
.page-khuynmi__step-title,
.page-khuynmi__tip-title {
    font-size: 1.5em;
    color: var(--gold-color);
    margin-bottom: 15px;
    font-weight: 700;
}

.page-khuynmi__promo-card-description {
    color: var(--text-secondary);
    font-size: 0.95em;
    flex-grow: 1;
    margin-bottom: 20px;
}

.page-khuynmi__promo-card-button {
    margin-top: auto;
    width: 100%;
}

/* How To Claim Steps Grid */
.page-khuynmi__steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.page-khuynmi__step-card p {
    color: var(--text-secondary);
    font-size: 0.95em;
    flex-grow: 1;
    margin-bottom: 20px;
}

.page-khuynmi__step-card .page-khuynmi__btn-primary {
    width: 100%;
    margin-top: auto;
}

/* Tips Section */
.page-khuynmi__tips-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.page-khuynmi__tip-item p {
    color: var(--text-secondary);
    font-size: 0.95em;
    flex-grow: 1;
}

/* FAQ Section */
.page-khuynmi__faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.page-khuynmi__faq-item {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.page-khuynmi__faq-item[open] {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.page-khuynmi__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.15em;
    font-weight: 600;
    color: var(--text-main);
    cursor: pointer;
    background-color: var(--deep-green);
    border-bottom: 1px solid var(--divider-color);
    list-style: none; /* For details tag */
    -webkit-touch-callout: none; /* Disable callout on iOS */
    -webkit-user-select: none; /* Disable text selection on iOS */
    -khtml-user-select: none; /* Disable text selection on Safari */
    -moz-user-select: none; /* Disable text selection on Firefox */
    -ms-user-select: none; /* Disable text selection on IE/Edge */
    user-select: none; /* Standard syntax */
}

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

.page-khuynmi__faq-question:hover {
    background-color: var(--primary-color);
}

.page-khuynmi__faq-qtext {
    flex-grow: 1;
}

.page-khuynmi__faq-toggle {
    font-size: 1.8em;
    line-height: 1;
    margin-left: 15px;
    color: var(--gold-color);
}

.page-khuynmi__faq-item[open] .page-khuynmi__faq-toggle {
    content: '−';
}

.page-khuynmi__faq-answer {
    padding: 20px 25px;
    font-size: 1em;
    color: var(--text-secondary);
    background-color: var(--card-bg);
    border-top: 1px solid var(--divider-color);
}

.page-khuynmi__faq-answer p {
    margin-bottom: 0;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
    .page-khuynmi__hero-content {
        margin-top: -60px;
        padding: 30px 15px;
    }

    .page-khuynmi__main-title {
        font-size: clamp(2em, 5vw, 3em);
    }

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

    .page-khuynmi__promo-grid,
    .page-khuynmi__steps-grid,
    .page-khuynmi__tips-list {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .page-khuynmi__hero-content {
        margin-top: -40px;
        padding: 25px 15px;
    }

    .page-khuynmi__main-title {
        font-size: clamp(1.8em, 6vw, 2.5em);
    }

    .page-khuynmi__description {
        font-size: 1em;
    }

    .page-khuynmi__section-title {
        font-size: 1.8em;
        margin-bottom: 30px;
    }

    .page-khuynmi__cta-buttons {
        flex-direction: column;
        gap: 15px;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
        box-sizing: border-box;
    }

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

    .page-khuynmi__introduction-section,
    .page-khuynmi__promo-types-section,
    .page-khuynmi__how-to-claim-section,
    .page-khuynmi__tips-section,
    .page-khuynmi__faq-section,
    .page-khuynmi__conclusion-section {
        padding: 40px 0;
    }

    .page-khuynmi__promo-grid,
    .page-khuynmi__steps-grid,
    .page-khuynmi__tips-list {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-khuynmi__promo-card-image {
        height: 180px;
    }

    .page-khuynmi__promo-card,
    .page-khuynmi__step-card,
    .page-khuynmi__tip-item {
        padding: 20px;
    }

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

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

    /* Mobile image responsiveness */
    .page-khuynmi img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    
    .page-khuynmi__section,
    .page-khuynmi__card,
    .page-khuynmi__container,
    .page-khuynmi__hero-image-wrapper,
    .page-khuynmi__promo-grid,
    .page-khuynmi__steps-grid,
    .page-khuynmi__tips-list,
    .page-khuynmi__faq-list {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow-x: hidden !important; /* Ensure no horizontal scroll */
    }

    .page-khuynmi__hero-section {
        padding-top: 10px !important; /* body already handles --header-offset */
    }

    /* Ensure all images are not smaller than 200px visual size */
    .page-khuynmi__promo-card-image {
        min-width: 200px;
        min-height: 150px;
    }
}

@media (max-width: 480px) {
    .page-khuynmi__hero-content {
        margin-top: -20px;
        padding: 20px 10px;
    }
    .page-khuynmi__main-title {
        font-size: clamp(1.6em, 7vw, 2.2em);
    }
    .page-khuynmi__section-title {
        font-size: 1.6em;
    }
    .page-khuynmi__cta-buttons {
        gap: 10px;
    }
}