.page-khuyen-mai {
    font-family: Arial, sans-serif;
    color: #FFF3E6;
    background-color: #0D0E12;
}

.page-khuyen-mai__hero-section {
    padding-top: 10px;
    padding-bottom: 60px;
    text-align: center;
    background-color: #0D0E12;
}

.page-khuyen-mai__hero-content-wrapper {
    max-width: 1170px;
    margin: 0 auto;
    padding: 40px 16px;
}

.page-khuyen-mai__main-title {
    font-size: 3.2em;
    font-weight: bold;
    line-height: 1.2;
    color: #FF8C1A;
    margin-bottom: 20px;
}

.page-khuyen-mai__description {
    font-size: 1.2em;
    line-height: 1.6;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-khuyen-mai__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

.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;
    white-space: normal;
    word-wrap: break-word;
    box-sizing: border-box;
}

.page-khuyen-mai__btn-primary {
    background: linear-gradient(180deg, #FFA53A 0%, #D96800 100%);
    color: #FFF3E6;
    border: 2px solid transparent;
}

.page-khuyen-mai__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.page-khuyen-mai__btn-secondary {
    background: transparent;
    color: #FFA53A;
    border: 2px solid #FFA53A;
}

.page-khuyen-mai__btn-secondary:hover {
    background: #FFA53A;
    color: #FFF3E6;
}

.page-khuyen-mai__promo-intro-section,
.page-khuyen-mai__promo-section,
.page-khuyen-mai__guide-section,
.page-khuyen-mai__faq-section {
    padding: 60px 0;
    background-color: #0D0E12;
}

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

.page-khuyen-mai__section-title {
    font-size: 2.5em;
    font-weight: bold;
    color: #FF8C1A;
    text-align: center;
    margin-bottom: 40px;
}

.page-khuyen-mai__text-block {
    font-size: 1.1em;
    line-height: 1.7;
    color: #FFF3E6;
    margin-bottom: 25px;
    text-align: justify;
}

.page-khuyen-mai__image-wrapper {
    text-align: center;
    margin: 40px 0;
}

.page-khuyen-mai__content-image {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    display: block;
    margin: 0 auto;
}

.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: #17191F;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    color: #FFF3E6;
    border: 1px solid #A84F0C;
}

.page-khuyen-mai__promo-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
}

.page-khuyen-mai__card-image {
    width: 100%;
    height: 250px; /* Fixed height for consistency */
    object-fit: cover;
    display: block;
}

.page-khuyen-mai__card-title {
    font-size: 1.5em;
    font-weight: bold;
    color: #FF8C1A;
    padding: 20px 20px 10px;
}

.page-khuyen-mai__card-description {
    font-size: 1em;
    line-height: 1.6;
    color: #FFF3E6;
    padding: 0 20px 20px;
    flex-grow: 1;
    text-align: justify;
}

.page-khuyen-mai__card-btn {
    display: block;
    width: calc(100% - 40px);
    margin: 0 20px 20px;
    padding: 12px 20px;
    text-align: center;
    background: linear-gradient(180deg, #FFA53A 0%, #D96800 100%);
    color: #FFF3E6;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    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__guide-list {
    list-style: none;
    padding: 0;
    margin-top: 40px;
}

.page-khuyen-mai__guide-item {
    background-color: #17191F;
    border: 1px solid #A84F0C;
    border-radius: 10px;
    padding: 30px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.page-khuyen-mai__guide-step-title {
    font-size: 1.8em;
    color: #FFA53A;
    margin-bottom: 15px;
    font-weight: bold;
}

.page-khuyen-mai__guide-item p {
    font-size: 1.05em;
    line-height: 1.7;
    color: #FFF3E6;
    text-align: justify;
}

.page-khuyen-mai__faq-list {
    margin-top: 40px;
}

.page-khuyen-mai__faq-item {
    background-color: #17191F;
    border: 1px solid #A84F0C;
    border-radius: 10px;
    margin-bottom: 15px;
    overflow: hidden;
    color: #FFF3E6;
}

.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: #FF8C1A;
    cursor: pointer;
    list-style: none;
    position: relative;
}

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

.page-khuyen-mai__faq-qtext {
    flex-grow: 1;
    margin-right: 15px;
}

.page-khuyen-mai__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    transition: transform 0.3s ease;
}

.page-khuyen-mai__faq-item[open] .page-khuyen-mai__faq-toggle {
    transform: rotate(45deg);
}

.page-khuyen-mai__faq-answer {
    padding: 0 25px 20px;
    font-size: 1.05em;
    line-height: 1.7;
    color: #FFF3E6;
    text-align: justify;
}

.page-khuyen-mai img {
    max-width: 100%;
    height: auto;
    display: block;
}

@media (max-width: 1024px) {
    .page-khuyen-mai__main-title {
        font-size: 2.8em;
    }

    .page-khuyen-mai__section-title {
        font-size: 2.2em;
    }

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

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

    .page-khuyen-mai__guide-step-title {
        font-size: 1.6em;
    }

    .page-khuyen-mai__faq-question {
        font-size: 1.1em;
    }
}

@media (max-width: 768px) {
    .page-khuyen-mai {
        font-size: 16px;
        line-height: 1.6;
    }

    .page-khuyen-mai__hero-section {
        padding-top: 10px !important;
        padding-bottom: 40px;
    }

    .page-khuyen-mai__hero-content-wrapper {
        padding: 20px 15px;
    }

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

    .page-khuyen-mai__description {
        font-size: 1em;
        margin-bottom: 20px;
    }

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

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

    .page-khuyen-mai__promo-intro-section,
    .page-khuyen-mai__promo-section,
    .page-khuyen-mai__guide-section,
    .page-khuyen-mai__faq-section {
        padding: 40px 0;
    }

    .page-khuyen-mai__container {
        padding: 0 15px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-khuyen-mai__section-title {
        font-size: 1.8em !important;
        margin-bottom: 30px;
    }

    .page-khuyen-mai__text-block {
        font-size: 0.95em;
        margin-bottom: 20px;
    }

    .page-khuyen-mai__image-wrapper {
        margin: 30px 0;
    }

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

    .page-khuyen-mai__promo-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 30px;
    }

    .page-khuyen-mai__promo-card {
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    }

    .page-khuyen-mai__card-image {
        height: 200px; /* Adjust height for mobile */
    }

    .page-khuyen-mai__card-title {
        font-size: 1.2em;
        padding: 15px 15px 8px;
    }

    .page-khuyen-mai__card-description {
        font-size: 0.9em;
        padding: 0 15px 15px;
    }

    .page-khuyen-mai__card-btn {
        width: calc(100% - 30px);
        margin: 0 15px 15px;
        padding: 10px 15px;
        font-size: 0.95em;
    }

    .page-khuyen-mai__guide-item {
        padding: 20px;
        margin-bottom: 15px;
    }

    .page-khuyen-mai__guide-step-title {
        font-size: 1.4em !important;
        margin-bottom: 10px;
    }

    .page-khuyen-mai__guide-item p {
        font-size: 0.95em;
    }

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

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

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