/* style/khuyen-mai.css */
:root {
    --primary-color: #F2C14E;
    --secondary-color: #FFD36B;
    --card-bg: #111111;
    --bg-color: #0A0A0A;
    --text-main-color: #FFF6D6;
    --border-color: #3A2A12;
    --glow-color: #FFD36B;
}

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

.page-khuyen-mai__hero-section {
    padding-top: 10px; /* Adjusted to avoid double padding with body */
    padding-bottom: 60px;
    background-color: var(--bg-color);
    color: var(--text-main-color);
}

.page-khuyen-mai__hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 40px;
    padding: 40px 20px;
    flex-wrap: wrap;
}

.page-khuyen-mai__hero-content {
    flex: 1 1 50%;
    min-width: 300px;
    text-align: left;
}

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

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

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

.page-khuyen-mai__btn-primary,
.page-khuyen-mai__btn-secondary,
.page-khuyen-mai__btn-card,
.page-khuyen-mai__btn-large {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    text-align: center;
    white-space: normal;
    word-wrap: break-word;
    box-sizing: border-box;
}

.page-khuyen-mai__btn-primary,
.page-khuyen-mai__btn-large {
    background: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%);
    color: #111111;
    border: 2px solid transparent;
}

.page-khuyen-mai__btn-primary:hover,
.page-khuyen-mai__btn-large:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 211, 107, 0.4);
}

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

.page-khuyen-mai__btn-secondary:hover {
    background-color: var(--secondary-color);
    color: var(--bg-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 211, 107, 0.4);
}

.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;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.page-khuyen-mai__content-area {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px;
}

.page-khuyen-mai__section-title {
    font-size: 2.5rem;
    font-weight: bold;
    text-align: center;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.page-khuyen-mai__section-description {
    font-size: 1.1rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px;
    color: var(--text-main-color);
}

.page-khuyen-mai__intro-section {
    background-color: var(--bg-color);
    color: var(--text-main-color);
}

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

.page-khuyen-mai__feature-item {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
}

.page-khuyen-mai__icon-box-media {
    width: 200px;
    height: 200px;
    margin: 0 auto 25px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--secondary-color);
    display: flex;
    justify-content: center;
    align-items: center;
}

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

.page-khuyen-mai__feature-title {
    font-size: 1.6rem;
    font-weight: bold;
    margin-bottom: 15px;
    color: var(--primary-color);
}

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

.page-khuyen-mai__promo-grid {
    background-color: var(--bg-color);
    color: var(--text-main-color);
}

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

.page-khuyen-mai__promo-card {
    background-color: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.page-khuyen-mai__promo-image {
    width: 100%;
    height: 220px; /* Fixed height for consistent card appearance */
    object-fit: cover;
    display: block;
}

.page-khuyen-mai__card-content {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.page-khuyen-mai__card-title {
    font-size: 1.4rem;
    font-weight: bold;
    margin-bottom: 15px;
    color: var(--primary-color);
}

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

.page-khuyen-mai__btn-card {
    margin-top: auto; /* Push button to bottom */
    width: 100%;
}

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

.page-khuyen-mai__faq-list {
    max-width: 900px;
    margin: 0 auto;
    border-top: 1px solid var(--border-color);
}

.page-khuyen-mai__faq-item {
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 10px;
    padding: 15px 0;
}

.page-khuyen-mai__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.15rem;
    font-weight: bold;
    color: var(--primary-color);
    cursor: pointer;
    padding-right: 10px;
    user-select: none; /* Prevent text selection on click */
    list-style: none; /* Remove default marker for details summary */
}

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

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

.page-khuyen-mai__faq-toggle {
    font-size: 1.5rem;
    margin-left: 15px;
    width: 25px;
    text-align: center;
}

.page-khuyen-mai__faq-item[open] .page-khuyen-mai__faq-toggle {
    transform: rotate(45deg); /* Optional: animate the plus to cross */
}

.page-khuyen-mai__faq-answer {
    font-size: 1rem;
    color: var(--text-main-color);
    padding: 15px 20px 5px 0;
    line-height: 1.7;
}

.page-khuyen-mai__cta-banner {
    background-color: var(--card-bg);
    padding: 80px 0;
    color: var(--text-main-color);
}

.page-khuyen-mai__cta-banner-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}

.page-khuyen-mai__cta-text-content {
    flex: 1 1 50%;
    min-width: 300px;
    text-align: left;
}

.page-khuyen-mai__cta-title {
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: bold;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

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

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

.page-khuyen-mai__cta-side-image {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

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

    .page-khuyen-mai__hero-content,
    .page-khuyen-mai__cta-text-content {
        flex: 1 1 100%;
        text-align: center;
    }

    .page-khuyen-mai__hero-image,
    .page-khuyen-mai__cta-image {
        flex: 1 1 100%;
    }

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

@media (max-width: 768px) {
    /* HERO Section */
    .page-khuyen-mai__hero-section {
        padding-top: 10px !important;
        padding-bottom: 40px;
    }

    .page-khuyen-mai__hero-container,
    .page-khuyen-mai__content-area,
    .page-khuyen-mai__cta-banner-container {
        padding-left: 15px !important;
        padding-right: 15px !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-khuyen-mai__main-title {
        font-size: clamp(2rem, 8vw, 2.5rem);
        margin-bottom: 15px;
    }

    .page-khuyen-mai__hero-description {
        font-size: 1rem;
        margin-bottom: 25px;
    }

    .page-khuyen-mai__cta-buttons {
        flex-direction: column !important;
        gap: 10px;
    }

    .page-khuyen-mai__btn-primary,
    .page-khuyen-mai__btn-secondary,
    .page-khuyen-mai__btn-card,
    .page-khuyen-mai__btn-large {
        max-width: 100% !important;
        width: 100% !important;
        padding: 12px 15px;
        font-size: 1rem;
    }

    /* General Images */
    .page-khuyen-mai img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block;
    }

    /* Module 1: Intro Section */
    .page-khuyen-mai__section-title {
        font-size: 2rem;
    }

    .page-khuyen-mai__section-description {
        font-size: 1rem;
        margin-bottom: 40px;
    }

    .page-khuyen-mai__features-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .page-khuyen-mai__icon-box-media {
        width: 150px;
        height: 150px;
        border-width: 2px;
    }

    .page-khuyen-mai__feature-title {
        font-size: 1.4rem;
    }

    /* Promo Grid Section */
    .page-khuyen-mai__cards-container {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .page-khuyen-mai__promo-image {
        height: 180px;
    }

    .page-khuyen-mai__card-title {
        font-size: 1.2rem;
    }

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

    /* FAQ Section */
    .page-khuyen-mai__faq-question {
        font-size: 1rem;
    }

    .page-khuyen-mai__faq-answer {
        font-size: 0.9rem;
        padding-right: 0;
    }

    /* CTA Banner Section */
    .page-khuyen-mai__cta-banner {
        padding: 50px 0;
    }

    .page-khuyen-mai__cta-title {
        font-size: clamp(1.8rem, 7vw, 2.5rem);
    }

    .page-khuyen-mai__cta-description {
        font-size: 1rem;
    }
}