/* style/support.css */

/* Biến CSS cục bộ cho trang hỗ trợ */
:root {
    --page-support-primary-color: #017439;
    --page-support-secondary-color: #FFFFFF;
    --page-support-dark-background: #0a0a0a; /* Từ body background */
    --page-support-light-text: #ffffff;
    --page-support-dark-text: #333333;
    --page-support-button-register-login-bg: #C30808;
    --page-support-button-register-login-text: #FFFF00;
}

/* Đảm bảo nội dung chính có đủ khoảng trống từ header */
.page-support {
    padding-top: var(--header-offset, 120px); /* Áp dụng khoảng cách từ header */
    color: var(--page-support-light-text); /* Mặc định chữ trắng trên nền tối của body */
    background-color: var(--page-support-dark-background);
}

.page-support__hero-section {
    position: relative;
    padding: 80px 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    background-color: var(--page-support-primary-color);
    color: var(--page-support-secondary-color);
}

.page-support__hero-container {
    max-width: 900px;
    z-index: 1;
}

.page-support__hero-title {
    font-size: 3.2em;
    margin-bottom: 20px;
    color: var(--page-support-secondary-color);
    line-height: 1.2;
}

.page-support__hero-description {
    font-size: 1.2em;
    line-height: 1.6;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.9);
}

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

.page-support__btn-primary,
.page-support__btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
    text-align: center;
}

.page-support__btn-primary {
    background-color: var(--page-support-button-register-login-bg);
    color: var(--page-support-button-register-login-text);
    border: 2px solid var(--page-support-button-register-login-bg);
}

.page-support__btn-primary:hover {
    background-color: #A30606;
    border-color: #A30606;
}

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

.page-support__btn-secondary:hover {
    background-color: var(--page-support-secondary-color);
    color: var(--page-support-primary-color);
}

.page-support__section-title {
    font-size: 2.5em;
    text-align: center;
    margin-bottom: 40px;
    font-weight: bold;
    color: var(--page-support-light-text); /* Mặc định chữ trắng */
}

.page-support__section-intro {
    font-size: 1.1em;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
}

.page-support__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.page-support__light-bg {
    background-color: var(--page-support-secondary-color);
    color: var(--page-support-dark-text);
    padding: 60px 0;
}

.page-support__light-bg .page-support__section-title {
    color: var(--page-support-dark-text);
}

.page-support__light-bg .page-support__section-intro {
    color: var(--page-support-dark-text);
}

.page-support__dark-bg {
    background-color: var(--page-support-dark-background);
    color: var(--page-support-light-text);
    padding: 60px 0;
}

.page-support__about-support-section .page-support__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.page-support__card {
    background-color: rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
    color: var(--page-support-light-text);
    height: 100%; /* Đảm bảo chiều cao bằng nhau */
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.page-support__light-bg .page-support__card {
    background-color: #f0f0f0;
    color: var(--page-support-dark-text);
}

.page-support__card:hover {
    transform: translateY(-5px);
}

.page-support__card-image {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: 8px;
    margin: 0 auto 20px;
    object-fit: cover;
    min-width: 200px;
    min-height: 200px;
}

.page-support__card-title {
    font-size: 1.6em;
    margin-bottom: 15px;
    font-weight: bold;
    color: var(--page-support-primary-color);
}

.page-support__light-bg .page-support__card-title {
    color: var(--page-support-primary-color);
}

.page-support__card-description {
    font-size: 1em;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.7);
    flex-grow: 1;
}

.page-support__light-bg .page-support__card-description {
    color: var(--page-support-dark-text);
}

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

.page-support__channel-card {
    background-color: rgba(1, 116, 57, 0.9);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    color: var(--page-support-light-text);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.page-support__channel-title {
    font-size: 1.8em;
    margin-bottom: 15px;
    color: var(--page-support-secondary-color);
}

.page-support__channel-description {
    font-size: 1em;
    line-height: 1.6;
    margin-bottom: 25px;
    color: rgba(255, 255, 255, 0.8);
    flex-grow: 1;
}

.page-support__faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.page-support__faq-item {
    background-color: rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: background-color 0.3s ease;
}

.page-support__light-bg .page-support__faq-item {
    background-color: #f0f0f0;
}

.page-support__faq-item:hover {
    background-color: rgba(255, 255, 255, 0.15);
}

.page-support__light-bg .page-support__faq-item:hover {
    background-color: #e0e0e0;
}

.page-support__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    font-size: 1.2em;
    font-weight: bold;
    cursor: pointer;
    color: var(--page-support-light-text);
}

.page-support__light-bg .page-support__faq-question {
    color: var(--page-support-dark-text);
}

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

.page-support__faq-item.active .page-support__faq-toggle {
    transform: rotate(45deg);
}

.page-support__faq-answer {
    max-height: 0;
    overflow: hidden;
    padding: 0 20px;
    transition: max-height 0.3s ease, padding 0.3s ease;
    color: rgba(255, 255, 255, 0.7);
}

.page-support__light-bg .page-support__faq-answer {
    color: var(--page-support-dark-text);
}

.page-support__faq-item.active .page-support__faq-answer {
    max-height: 1000px !important; /* Đảm bảo đủ lớn để chứa nội dung */
    padding: 20px;
    padding-top: 0;
}

.page-support__faq-answer p {
    margin-bottom: 10px;
    line-height: 1.6;
}

.page-support__resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.page-support__resource-card {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 25px;
    text-align: center;
    text-decoration: none;
    color: var(--page-support-light-text);
    transition: background-color 0.3s ease, transform 0.3s ease;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.page-support__resource-card:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.page-support__resource-title {
    font-size: 1.4em;
    margin-bottom: 10px;
    color: var(--page-support-secondary-color);
}

.page-support__resource-description {
    font-size: 0.95em;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.7);
    flex-grow: 1;
}

.page-support__cta-section .page-support__section-title {
    color: var(--page-support-dark-text);
}

.page-support__cta-section .page-support__section-intro {
    color: var(--page-support-dark-text);
}

.page-support__cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 40px;
    flex-wrap: wrap;
}

.page-support__text-center {
    text-align: center;
}

/* Responsive styles */
@media (max-width: 1024px) {
    .page-support__hero-title {
        font-size: 2.8em;
    }
    .page-support__section-title {
        font-size: 2em;
    }
    .page-support__card-title {
        font-size: 1.4em;
    }
    .page-support__channel-title {
        font-size: 1.6em;
    }
    .page-support__faq-question {
        font-size: 1.1em;
    }
}

@media (max-width: 768px) {
    .page-support {
        padding-top: var(--header-offset, 120px) !important;
    }
    .page-support__hero-section,
    .page-support__about-support-section,
    .page-support__channels-section,
    .page-support__faq-section,
    .page-support__resources-section,
    .page-support__cta-section {
        padding-left: 15px !important;
        padding-right: 15px !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-support__hero-title {
        font-size: 2.2em;
    }
    .page-support__hero-description {
        font-size: 1em;
    }
    .page-support__section-title {
        font-size: 1.8em;
        margin-bottom: 30px;
    }
    .page-support__section-intro {
        font-size: 0.95em;
        margin-bottom: 40px;
    }

    .page-support__hero-cta-buttons,
    .page-support__cta-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .page-support__btn-primary,
    .page-support__btn-secondary,
    .page-support a[class*="button"],
    .page-support a[class*="btn"] {
        max-width: 100% !important;
        width: 100% !important;
        padding: 12px 20px;
        font-size: 1em;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    .page-support img {
        max-width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    
    .page-support__card-image {
        min-width: 200px !important;
        min-height: 200px !important;
    }

    .page-support__card,
    .page-support__channel-card,
    .page-support__resource-card {
        padding: 20px;
    }

    .page-support__card-title {
        font-size: 1.2em;
    }
    .page-support__channel-title {
        font-size: 1.4em;
    }
    .page-support__resource-title {
        font-size: 1.2em;
    }

    .page-support__faq-question {
        font-size: 1em;
        padding: 15px;
    }
    .page-support__faq-answer {
        padding: 0 15px;
    }
    .page-support__faq-item.active .page-support__faq-answer {
        padding: 15px;
        padding-top: 0;
    }
}

@media (max-width: 480px) {
    .page-support__hero-title {
        font-size: 1.8em;
    }
    .page-support__section-title {
        font-size: 1.5em;
    }
}