/* style/khuyen-mai.css */

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

.page-khuyen-mai {
    font-family: Arial, sans-serif;
    color: var(--text-main-color); /* Body background is dark, so text is light */
    background-color: var(--page-bg);
    line-height: 1.6;
}

.page-khuyen-mai__container {
    max-width: 1170px;
    margin: 0 auto;
    padding: 20px 16px;
    box-sizing: border-box;
}

.page-khuyen-mai__hero-section {
    padding-top: 10px; /* Small top padding, body padding-top handles header offset */
    padding-bottom: 60px;
    background-color: var(--deep-red-color);
    position: relative;
    overflow: hidden;
}

.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: 60px 16px;
    box-sizing: border-box;
}

.page-khuyen-mai__hero-content {
    flex: 1 1 45%;
    min-width: 300px;
    text-align: left;
    color: var(--text-main-color);
}

.page-khuyen-mai__main-title {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--gold-color);
}

.page-khuyen-mai__hero-description {
    font-size: 1.125rem;
    margin-bottom: 30px;
}

.page-khuyen-mai__cta-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.page-khuyen-mai__hero-image {
    flex: 1 1 45%;
    min-width: 300px;
    text-align: center;
}

.page-khuyen-mai__hero-side-image {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

.page-khuyen-mai__btn-primary,
.page-khuyen-mai__btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
    text-align: center;
}

.page-khuyen-mai__btn-primary {
    background: var(--button-gradient);
    color: #ffffff; /* Always white for primary button */
    border: 2px solid transparent;
}

.page-khuyen-mai__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.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(--deep-red-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.page-khuyen-mai__btn-primary--large {
    padding: 16px 32px;
    font-size: 1.125rem;
    min-width: 250px;
}

.page-khuyen-mai__section-title {
    font-size: clamp(2rem, 3.5vw, 2.8rem);
    font-weight: 700;
    color: var(--gold-color);
    text-align: center;
    margin-bottom: 25px;
    line-height: 1.3;
}

.page-khuyen-mai__section-description {
    font-size: 1.05rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
    color: var(--text-main-color);
}

.page-khuyen-mai__dark-section {
    background-color: var(--card-bg);
    color: var(--text-main-color);
    padding: 60px 0;
}

.page-khuyen-mai__intro-section {
    padding: 60px 0;
}

.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%;
    max-width: 350px;
    min-width: 280px;
    text-align: center;
    background-color: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

.page-khuyen-mai__icon-box:hover {
    transform: translateY(-5px);
}

.page-khuyen-mai__icon-box-media {
    width: 180px;
    height: 180px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--gold-color);
    box-shadow: 0 0 15px rgba(243, 197, 77, 0.5);
}

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

.page-khuyen-mai__icon-box-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gold-color);
    margin-bottom: 15px;
}

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

.page-khuyen-mai__promo-types-section {
    padding: 60px 0;
}

.page-khuyen-mai__promo-category {
    margin-bottom: 50px;
}

.page-khuyen-mai__category-title {
    font-size: clamp(1.8rem, 3vw, 2.2rem);
    font-weight: 600;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 25px;
}

.page-khuyen-mai__promo-category p {
    text-align: center;
    margin-bottom: 30px;
    color: var(--text-main-color);
}

.page-khuyen-mai__promo-list {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
}

.page-khuyen-mai__promo-card {
    flex: 1 1 calc(33.333% - 20px);
    max-width: calc(33.333% - 20px);
    min-width: 300px;
    background-color: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
}

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

.page-khuyen-mai__promo-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
}

.page-khuyen-mai__card-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--gold-color);
    padding: 15px 20px 10px;
    margin: 0;
}

.page-khuyen-mai__card-title a {
    color: var(--gold-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-khuyen-mai__card-title a:hover {
    color: var(--primary-color);
}

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

.page-khuyen-mai__card-btn {
    display: block;
    width: calc(100% - 40px);
    margin: 0 20px 20px;
    padding: 10px 15px;
    background: var(--button-gradient);
    color: #ffffff;
    text-align: center;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: opacity 0.3s ease;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

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

.page-khuyen-mai__terms-conditions-section {
    padding: 60px 0;
}

.page-khuyen-mai__terms-list {
    list-style: disc;
    max-width: 800px;
    margin: 0 auto 30px;
    padding-left: 40px;
    color: var(--text-main-color);
}

.page-khuyen-mai__terms-list li {
    margin-bottom: 10px;
    font-size: 1rem;
}

.page-khuyen-mai__terms-list li strong {
    color: var(--gold-color);
}

.page-khuyen-mai__terms-note {
    text-align: center;
    font-size: 1rem;
    color: var(--text-main-color);
}

.page-khuyen-mai__terms-note a {
    color: var(--gold-color);
    text-decoration: none;
}

.page-khuyen-mai__terms-note a:hover {
    text-decoration: underline;
}

.page-khuyen-mai__guide-section {
    padding: 60px 0;
}

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

.page-khuyen-mai__step-item {
    flex: 1 1 calc(33.333% - 20px);
    max-width: calc(33.333% - 20px);
    min-width: 280px;
    background-color: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    text-align: center;
    padding-bottom: 20px;
    transition: transform 0.3s ease;
}

.page-khuyen-mai__step-item:hover {
    transform: translateY(-5px);
}

.page-khuyen-mai__step-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    margin-bottom: 20px;
}

.page-khuyen-mai__step-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--gold-color);
    margin-bottom: 15px;
    padding: 0 20px;
}

.page-khuyen-mai__step-text {
    font-size: 1rem;
    color: var(--text-main-color);
    padding: 0 20px;
}

.page-khuyen-mai__step-text a {
    color: var(--gold-color);
    text-decoration: none;
}

.page-khuyen-mai__step-text a:hover {
    text-decoration: underline;
}

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

.page-khuyen-mai__faq-section {
    padding: 60px 0;
}

.page-khuyen-mai__faq-list {
    max-width: 800px;
    margin: 40px auto 0;
}

.page-khuyen-mai__faq-item {
    background-color: rgba(255, 255, 255, 0.05);
    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: 1.15rem;
    font-weight: 600;
    color: var(--gold-color);
    cursor: pointer;
    background-color: rgba(255, 255, 255, 0.08);
    border-bottom: 1px solid transparent;
    transition: background-color 0.3s ease, border-bottom-color 0.3s ease;
    list-style: none; /* Remove default marker */
}

.page-khuyen-mai__faq-item[open] .page-khuyen-mai__faq-question {
    border-bottom-color: var(--border-color);
}

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

.page-khuyen-mai__faq-question:hover {
    background-color: rgba(255, 255, 255, 0.12);
}

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

.page-khuyen-mai__faq-toggle {
    font-size: 1.5rem;
    font-weight: 700;
    margin-left: 20px;
    color: var(--gold-color);
}

.page-khuyen-mai__faq-answer {
    padding: 15px 25px 20px;
    font-size: 1rem;
    color: var(--text-main-color);
    line-height: 1.7;
}

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

.page-khuyen-mai__conclusion-section {
    padding: 60px 0;
    text-align: center;
}

.page-khuyen-mai__conclusion-section .page-khuyen-mai__btn-primary {
    margin-top: 40px;
}

.page-khuyen-mai__conclusion-section .page-khuyen-mai__section-description a {
    color: var(--gold-color);
    text-decoration: none;
}

.page-khuyen-mai__conclusion-section .page-khuyen-mai__section-description a:hover {
    text-decoration: underline;
}

/* --- Responsive Styles --- */
@media (max-width: 1024px) {
    .page-khuyen-mai__hero-container {
        flex-direction: column;
        text-align: center;
        padding: 40px 16px;
    }

    .page-khuyen-mai__hero-content {
        text-align: center;
    }

    .page-khuyen-mai__cta-buttons {
        justify-content: center;
    }

    .page-khuyen-mai__hero-image {
        order: -1; /* Image above text on smaller screens */
        margin-bottom: 30px;
    }

    .page-khuyen-mai__icon-box {
        flex: 1 1 calc(50% - 15px);
        max-width: calc(50% - 15px);
    }

    .page-khuyen-mai__promo-card {
        flex: 1 1 calc(50% - 15px);
        max-width: calc(50% - 15px);
    }

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

    .page-khuyen-mai__step-item {
        max-width: 500px;
        flex: 1 1 100%;
    }
}

@media (max-width: 768px) {
    .page-khuyen-mai__hero-section {
        padding-top: 10px !important;
        padding-bottom: 30px;
    }

    .page-khuyen-mai__hero-container {
        padding: 30px 15px;
        gap: 20px;
    }

    .page-khuyen-mai__main-title {
        font-size: 2rem;
        margin-bottom: 15px;
    }

    .page-khuyen-mai__hero-description {
        font-size: 1rem;
        margin-bottom: 20px;
    }

    .page-khuyen-mai__cta-buttons {
        flex-direction: column;
        gap: 10px;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 15px;
    }

    .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__section-title {
        font-size: 1.8rem;
        margin-bottom: 20px;
    }

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

    .page-khuyen-mai__dark-section,
    .page-khuyen-mai__intro-section,
    .page-khuyen-mai__promo-types-section,
    .page-khuyen-mai__terms-conditions-section,
    .page-khuyen-mai__guide-section,
    .page-khuyen-mai__faq-section,
    .page-khuyen-mai__conclusion-section {
        padding: 40px 0;
    }

    .page-khuyen-mai__container {
        padding: 0 15px;
    }

    /* Module 1: Three-column round images */
    .page-khuyen-mai__icon-boxes {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }

    .page-khuyen-mai__icon-box {
        flex: 1 1 100%;
        max-width: 90%; /* Adjust as needed */
        padding: 20px;
    }

    .page-khuyen-mai__icon-box-media {
        width: 150px;
        height: 150px;
        margin-bottom: 15px;
    }

    .page-khuyen-mai__icon-box-title {
        font-size: 1.3rem;
    }

    .page-khuyen-mai__icon-box-text {
        font-size: 0.9rem;
    }

    /* Promo cards */
    .page-khuyen-mai__promo-list {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }

    .page-khuyen-mai__promo-card {
        flex: 1 1 100%;
        max-width: 90%; /* Adjust as needed */
        min-width: unset;
    }

    .page-khuyen-mai__card-btn {
        width: calc(100% - 40px);
    }

    /* Guide steps */
    .page-khuyen-mai__guide-steps {
        gap: 20px;
    }

    .page-khuyen-mai__step-item {
        flex: 1 1 100%;
        max-width: 90%; /* Adjust as needed */
    }

    .page-khuyen-mai__step-item img {
        
    }

    /* FAQ */
    .page-khuyen-mai__faq-list {
        margin-top: 30px;
    }

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

    .page-khuyen-mai__faq-toggle {
        font-size: 1.3rem;
    }

    .page-khuyen-mai__faq-answer {
        font-size: 0.95rem;
        padding: 10px 20px 15px;
    }

    /* General images and containers */
    .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,
    .page-khuyen-mai__icon-box,
    .page-khuyen-mai__promo-card,
    .page-khuyen-mai__step-item,
    .page-khuyen-mai__faq-item {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !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-wrap: wrap !important;
        gap: 10px;
    }

    .page-khuyen-mai__cta-buttons {
        flex-direction: column;
    }
}