/* style/khuyen-mai.css */

:root {
    --primary-color: #017439;
    --secondary-color: #FFFFFF;
    --register-color: #C30808;
    --login-color: #C30808;
    --background-color: #FFFFFF;
    --register-login-font-color: #FFFF00;
}

.page-khuyen-mai {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333333;
    background-color: var(--background-color);
}

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

.page-khuyen-mai__section-title {
    font-size: clamp(28px, 4vw, 36px);
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 30px;
    line-height: 1.2;
}

.page-khuyen-mai__section-title--white {
    color: var(--secondary-color);
}

.page-khuyen-mai__text-block {
    font-size: 16px;
    margin-bottom: 20px;
    text-align: justify;
}

.page-khuyen-mai__text-block--white {
    color: var(--secondary-color);
}

/* Buttons */
.page-khuyen-mai__btn-primary,
.page-khuyen-mai__btn-secondary {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 8px;
    font-weight: 700;
    text-decoration: none;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
    text-align: center;
    cursor: pointer;
    white-space: normal;
    word-wrap: break-word;
    box-sizing: border-box;
    max-width: 100%;
}

.page-khuyen-mai__btn-primary {
    background-color: var(--register-color); /* Sử dụng màu đăng ký cho nút chính */
    color: var(--register-login-font-color); /* Sử dụng màu font đăng ký */
    border: 2px solid var(--register-color);
}

.page-khuyen-mai__btn-primary:hover {
    background-color: #e00b0b; /* Màu đậm hơn khi hover */
    border-color: #e00b0b;
}

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

.page-khuyen-mai__btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--secondary-color);
}

.page-khuyen-mai__cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 30px;
    flex-wrap: wrap;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
}

.page-khuyen-mai__btn-primary--small,
.page-khuyen-mai__btn-secondary--small {
    padding: 8px 18px;
    font-size: 14px;
}

/* Hero Section */
.page-khuyen-mai__hero-section {
    padding-top: 10px; /* Small top padding, relying on body for header offset */
    padding-bottom: 60px;
    background-color: var(--primary-color);
    color: var(--secondary-color);
}

.page-khuyen-mai__hero-container {
    max-width: 1170px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 40px;
    padding: 20px 16px;
    box-sizing: border-box;
}

.page-khuyen-mai__hero-image-wrapper {
    flex: 1 1 500px; /* Base for flexible image sizing */
    text-align: center;
}

.page-khuyen-mai__hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    display: block;
    margin: 0 auto;
}

.page-khuyen-mai__hero-content {
    flex: 1 1 450px;
    text-align: left;
}

.page-khuyen-mai__main-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
    color: var(--secondary-color);
}

.page-khuyen-mai__description {
    font-size: 18px;
    margin-bottom: 30px;
    line-height: 1.6;
    color: var(--secondary-color);
}

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

/* Promo Types Section */
.page-khuyen-mai__promo-types-section {
    padding: 60px 0;
    background-color: var(--primary-color);
}

.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(--secondary-color);
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    text-align: center;
    padding-bottom: 25px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page-khuyen-mai__promo-card-image-wrapper {
    width: 100%;
    height: 200px; /* Fixed height for consistency */
    overflow: hidden;
    margin-bottom: 20px;
}

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

.page-khuyen-mai__promo-card-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0 15px 10px;
    line-height: 1.3;
}

.page-khuyen-mai__promo-card-description {
    font-size: 15px;
    color: #555555;
    margin: 0 15px 20px;
    flex-grow: 1;
}

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

.page-khuyen-mai__guide-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-khuyen-mai__guide-step {
    text-align: center;
    padding: 25px;
    background-color: var(--secondary-color);
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.page-khuyen-mai__guide-icon-wrapper {
    width: 150px;
    height: 150px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-khuyen-mai__guide-icon {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    display: block;
}

.page-khuyen-mai__guide-step-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.page-khuyen-mai__guide-step-description {
    font-size: 15px;
    color: #666666;
}

.page-khuyen-mai__cta-wrapper {
    text-align: center;
    margin-top: 50px;
}

/* Terms Section */
.page-khuyen-mai__terms-section {
    padding: 60px 0;
    background-color: var(--primary-color);
    color: var(--secondary-color);
}

.page-khuyen-mai__terms-list {
    list-style: none;
    padding: 0;
    margin-top: 30px;
}

.page-khuyen-mai__terms-item {
    font-size: 16px;
    margin-bottom: 15px;
    position: relative;
    padding-left: 25px;
    color: var(--secondary-color);
}

.page-khuyen-mai__terms-item::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-size: 20px;
    line-height: 1;
}

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

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

.page-khuyen-mai__faq-item {
    background-color: var(--secondary-color);
    border: 1px solid #e0e0e0;
    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: 18px;
    font-weight: 600;
    color: var(--primary-color);
    cursor: pointer;
    background-color: #f9f9f9;
    border-bottom: 1px solid #e0e0e0;
}

.page-khuyen-mai__faq-item[open] .page-khuyen-mai__faq-question {
    border-bottom: none;
}

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

.page-khuyen-mai__faq-toggle {
    font-size: 24px;
    line-height: 1;
    color: var(--primary-color);
    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: 15px 25px 20px;
    font-size: 16px;
    color: #555555;
    text-align: justify;
}

/* Final CTA Section */
.page-khuyen-mai__final-cta-section {
    padding: 80px 0;
    background-color: var(--primary-color);
    text-align: center;
}

.page-khuyen-mai__final-cta-container {
    max-width: 900px;
}

.page-khuyen-mai__final-cta-section .page-khuyen-mai__section-title {
    margin-bottom: 20px;
}

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

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

    .page-khuyen-mai__main-title {
        font-size: clamp(30px, 4.5vw, 42px);
    }

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

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

@media (max-width: 768px) {
    .page-khuyen-mai__hero-section {
        padding-top: 10px !important; /* Rely on body for header offset */
        padding-bottom: 40px;
    }

    .page-khuyen-mai__hero-container {
        padding: 15px;
        gap: 25px;
    }

    .page-khuyen-mai__main-title {
        font-size: clamp(28px, 6vw, 38px) !important;
    }

    .page-khuyen-mai__description {
        font-size: 16px;
    }

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

    .page-khuyen-mai__btn-primary,
    .page-khuyen-mai__btn-secondary {
        width: 100% !important;
        max-width: 100% !important;
        padding: 12px 15px !important;
        font-size: 16px !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        box-sizing: border-box !important;
    }

    .page-khuyen-mai__section-title {
        font-size: clamp(24px, 5vw, 30px);
        margin-bottom: 25px;
    }

    .page-khuyen-mai__text-block {
        font-size: 15px;
    }

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

    .page-khuyen-mai__promo-types-section,
    .page-khuyen-mai__guide-section,
    .page-khuyen-mai__terms-section,
    .page-khuyen-mai__faq-section,
    .page-khuyen-mai__final-cta-section {
        padding: 40px 0;
    }

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

    .page-khuyen-mai__promo-card-image-wrapper {
        height: 160px;
    }

    .page-khuyen-mai__promo-card-title {
        font-size: 20px;
    }

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

    .page-khuyen-mai__guide-icon-wrapper {
        width: 120px;
        height: 120px;
    }

    .page-khuyen-mai__guide-step-title {
        font-size: 18px;
    }

    .page-khuyen-mai__terms-item {
        font-size: 15px;
        padding-left: 20px;
    }

    .page-khuyen-mai__faq-question {
        padding: 15px 20px;
        font-size: 16px;
    }

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

    /* Universal image responsive styles */
    .page-khuyen-mai img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
    }

    /* Specific override for circular icons if needed, ensuring they remain circular */
    .page-khuyen-mai__guide-icon-wrapper img {
        width: 100% !important;
        height: 100% !important;
        object-fit: cover !important;
    }
}

@media (max-width: 480px) {
    .page-khuyen-mai__hero-section {
        padding-bottom: 30px;
    }

    .page-khuyen-mai__main-title {
        font-size: clamp(26px, 7vw, 34px) !important;
    }

    .page-khuyen-mai__description {
        font-size: 15px;
    }

    .page-khuyen-mai__section-title {
        font-size: clamp(22px, 6vw, 28px);
        margin-bottom: 20px;
    }

    .page-khuyen-mai__promo-card-image-wrapper {
        height: 140px;
    }

    .page-khuyen-mai__promo-card-title {
        font-size: 18px;
    }

    .page-khuyen-mai__guide-icon-wrapper {
        width: 100px;
        height: 100px;
    }

    .page-khuyen-mai__guide-step-title {
        font-size: 17px;
    }

    .page-khuyen-mai__faq-question {
        font-size: 15px;
    }

    .page-khuyen-mai__faq-answer {
        font-size: 14px;
    }
}