/* style/support.css */

:root {
    --primary-color: #017439;
    --secondary-color: #FFFFFF;
    --text-color-dark: #333333;
    --text-color-light: #ffffff;
    --button-register-bg: #C30808;
    --button-login-bg: #C30808;
    --button-text-yellow: #FFFF00;
    --border-color: #e0e0e0;
    --bg-light-gray: #f9f9f9;
}

.page-support {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-color-dark); /* Default to dark text for light body background */
    background-color: var(--secondary-color);
}

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

.page-support__section-title {
    font-size: 36px;
    font-weight: bold;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 20px;
    padding-top: 40px;
}

.page-support__section-description {
    font-size: 18px;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px auto;
    color: var(--text-color-dark);
}

/* Hero Section */
.page-support__hero-section {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 20px;
    padding-top: var(--header-offset, 120px); /* Ensure content is below fixed header */
    background: linear-gradient(135deg, var(--primary-color) 0%, #005f2e 100%); /* Darker green gradient */
    color: var(--text-color-light);
}

.page-support__hero-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 30px;
}

.page-support__hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    width: 100%;
}

.page-support__hero-title {
    font-size: 52px;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
    color: var(--text-color-light);
}

.page-support__hero-description {
    font-size: 20px;
    margin-bottom: 30px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
}

.page-support__hero-image {
    width: 100%;
    max-width: 800px; /* Adjust max-width for image in hero */
    margin-top: 30px;
}

.page-support__hero-image img {
    width: 100%;
    height: auto;
    max-width: 100%;
    display: block;
    border-radius: 12px;
    object-fit: cover;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* General Buttons */
.page-support__cta-button,
.page-support__btn-primary,
.page-support__btn-secondary {
    display: inline-block;
    padding: 15px 40px;
    text-decoration: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: bold;
    transition: all 0.3s ease;
    white-space: normal;
    word-wrap: break-word;
    text-align: center;
    box-sizing: border-box;
}

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

.page-support__btn-primary:hover {
    background: #a10606;
    border-color: #a10606;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

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

.page-support__btn-secondary:hover {
    background: var(--primary-color);
    color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Dark/Light Background Classes */
.page-support__dark-bg {
    background-color: var(--primary-color);
    color: var(--text-color-light);
}

.page-support__light-bg {
    background-color: var(--secondary-color);
    color: var(--text-color-dark);
}

/* Channels Section */
.page-support__channels-section {
    padding: 80px 0;
}

.page-support__channels-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-support__channel-item {
    background: var(--bg-light-gray);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-support__channel-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-support__channel-item img {
    width: 100%;
    height: 200px; /* Fixed height for consistency */
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
}

.page-support__channel-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.page-support__channel-text {
    font-size: 16px;
    margin-bottom: 25px;
}

/* Guide Section */
.page-support__guide-section {
    padding: 80px 0;
}

.page-support__guide-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-support__guide-item {
    background: var(--text-color-light);
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-support__guide-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-support__guide-item img {
    width: 100%;
    height: 250px; /* Fixed height for consistency */
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
}

.page-support__guide-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.page-support__guide-list {
    list-style: none;
    padding: 0;
    margin-top: 15px;
    margin-bottom: 25px;
}

.page-support__guide-list li {
    margin-bottom: 8px;
    font-size: 16px;
    color: var(--text-color-dark);
}

.page-support__guide-list li b {
    color: var(--primary-color);
}

/* FAQ Section */
.page-support__faq-section {
    padding: 80px 0;
}

.page-support__faq-list {
    margin-top: 40px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

/* FAQ容器样式 */
.page-support__faq-item {
    margin-bottom: 15px;
    border-radius: 5px;
    overflow: hidden;
}

/* FAQ默认状态 - 答案隐藏 */
.page-support__faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
    padding: 0 15px;
    opacity: 0;
}

/* FAQ展开状态 - 🚨 使用!important và đủ lớn max-height đảm bảo chắc chắn mở rộng */
.page-support__faq-item.active .page-support__faq-answer {
    max-height: 2000px !important; /* 🚨 Sử dụng!important đảm bảo ưu tiên, giá trị đủ lớn để chứa mọi nội dung */
    padding: 20px 25px !important;
    opacity: 1;
    background: var(--bg-light-gray);
    border-radius: 0 0 5px 5px;
    border-top: 1px solid var(--border-color);
}

/* Vấn đề样式 */
.page-support__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 20px;
    background: var(--secondary-color);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    cursor: pointer;
    user-select: none;
    transition: background-color 0.3s ease, border-color 0.3s ease;
    position: relative;
}

.page-support__faq-question:hover {
    background: var(--bg-light-gray);
    border-color: #d0d0d0;
}

.page-support__faq-question:active {
    background: #eeeeee;
}

/* Vấn đề标题样式 */
.page-support__faq-question h3 {
    margin: 0;
    padding: 0;
    flex: 1;
    font-size: 18px;
    font-weight: 600;
    line-height: 1.5;
    color: var(--primary-color);
    pointer-events: none; /* Ngăn h3 tag chặn sự kiện click */
}

/* Chuyển đổi icon */
.page-support__faq-toggle {
    font-size: 28px;
    font-weight: bold;
    line-height: 1;
    color: var(--primary-color);
    transition: transform 0.3s ease, color 0.3s ease;
    flex-shrink: 0;
    margin-left: 15px;
    pointer-events: none; /* Ngăn icon chặn sự kiện click */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
}

.page-support__faq-item.active .page-support__faq-toggle {
    color: #333;
    transform: rotate(45deg); /* Change to X shape or just rotate for minus */
}

/* Commitment Section */
.page-support__commitment-section {
    padding: 80px 0;
}

.page-support__commitment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-support__commitment-item {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    color: var(--text-color-light);
}

.page-support__commitment-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-support__commitment-item img {
    width: 100%;
    height: 200px; /* Fixed height for consistency */
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
}

.page-support__commitment-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-color-light);
    margin-bottom: 15px;
}

/* News Section */
.page-support__news-section {
    padding: 80px 0;
}

.page-support__news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-support__news-item {
    background: var(--bg-light-gray);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-support__news-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-support__news-item img {
    width: 100%;
    height: 220px; /* Fixed height for consistency */
    object-fit: cover;
    display: block;
}

.page-support__news-item h3 {
    padding: 20px 25px 0;
    font-size: 20px;
    font-weight: 700;
    line-height: 1.4;
    color: var(--primary-color);
}

.page-support__news-item h3 a {
    color: var(--primary-color);
    text-decoration: none;
}

.page-support__news-item h3 a:hover {
    text-decoration: underline;
}

.page-support__news-item p {
    padding: 10px 25px 25px;
    font-size: 16px;
    color: var(--text-color-dark);
}

.page-support__button-group {
    text-align: center;
    margin-top: 50px;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .page-support__hero-title {
        font-size: 44px;
    }
    .page-support__section-title {
        font-size: 32px;
    }
}

@media (max-width: 768px) {
    .page-support {
        font-size: 16px;
        line-height: 1.6;
    }
    .page-support__container {
        padding: 15px;
    }
    .page-support__hero-section {
        padding-top: var(--header-offset, 120px) !important;
        padding-bottom: 40px;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-support__hero-title {
        font-size: 36px;
    }
    .page-support__hero-description {
        font-size: 18px;
    }
    .page-support__section-title {
        font-size: 28px;
        padding-top: 20px;
    }
    .page-support__section-description {
        font-size: 16px;
        margin-bottom: 30px;
    }
    .page-support__channels-section, .page-support__guide-section, .page-support__faq-section, .page-support__commitment-section, .page-support__news-section {
        padding: 40px 0;
    }
    .page-support__channels-grid, .page-support__guide-grid, .page-support__commitment-grid, .page-support__news-grid {
        grid-template-columns: 1fr;
    }

    /* Mobile Image Adapation */
    .page-support img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    .page-support__channel-item img, .page-support__guide-item img, .page-support__commitment-item img, .page-support__news-item img {
        height: 200px; /* Adjust fixed height for mobile, or remove for full auto */
    }
    .page-support__hero-image img {
        border-radius: 8px;
    }

    /* Mobile Button Adapation */
    .page-support__cta-button,
    .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;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-support__button-group {
        flex-direction: column;
        gap: 15px;
    }

    /* FAQ Mobile */
    .page-support__faq-question {
        padding: 15px;
        flex-wrap: wrap;
    }
    .page-support__faq-question h3 {
        font-size: 17px;
        margin-bottom: 0;
        width: calc(100% - 40px);
    }
    .page-support__faq-toggle {
        margin-left: 10px;
        width: 28px;
        height: 28px;
        font-size: 24px;
    }
    .page-support__faq-answer {
        padding: 0 15px;
    }
    .page-support__faq-item.active .page-support__faq-answer {
        padding: 15px 20px !important;
    }
}

@media (max-width: 480px) {
    .page-support__hero-title {
        font-size: 30px;
    }
    .page-support__hero-description {
        font-size: 16px;
    }
    .page-support__section-title {
        font-size: 24px;
    }
    .page-support__cta-button,
    .page-support__btn-primary,
    .page-support__btn-secondary {
        font-size: 16px;
        padding: 12px 25px;
    }
    .page-support__faq-question h3 {
        font-size: 16px;
    }
}