/* style/support.css */

:root {
    --primary-color: #26A9E0;
    --secondary-color: #FFFFFF;
    --login-color: #EA7C07;
    --text-dark: #333333;
    --text-light: #ffffff;
    --background-light: #f8f9fa;
    --card-background: #ffffff;
    --border-color: #e0e0e0;
}

.page-support {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--secondary-color);
}

.page-support__hero-section {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 20px;
    padding-top: var(--header-offset, 120px);
    background-color: var(--primary-color);
    color: var(--text-light);
    overflow: hidden;
}

.page-support__hero-content {
    max-width: 900px;
    z-index: 1;
    margin-bottom: 40px;
}

.page-support__main-title {
    font-size: 2.8em;
    margin-bottom: 20px;
    line-height: 1.2;
    color: var(--text-light);
}

.page-support__hero-description {
    font-size: 1.1em;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: var(--text-light);
}

.page-support__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: 1.05em;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
    white-space: normal;
    word-wrap: break-word;
    text-align: center;
    box-sizing: border-box;
}

.page-support__btn-primary {
    background-color: var(--login-color); /* Sử dụng màu login cho CTA chính */
    color: var(--text-light);
    border: 2px solid var(--login-color);
}

.page-support__btn-primary:hover {
    background-color: #e06c00;
    border-color: #e06c00;
}

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

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

.page-support__hero-image-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.page-support__hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.2;
    filter: grayscale(100%); /* Giảm độ nổi bật của ảnh nền */
}

.page-support__section-title {
    font-size: 2.2em;
    text-align: center;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.page-support__section-description {
    font-size: 1.1em;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px auto;
    color: var(--text-dark);
}

.page-support__dark-section .page-support__section-title,
.page-support__dark-section .page-support__section-description {
    color: var(--text-light);
}

.page-support__channels-section,
.page-support__faq-section,
.page-support__guides-section,
.page-support__contact-section,
.page-support__security-section {
    padding: 60px 20px;
}

.page-support__channels-grid,
.page-support__guides-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.page-support__channel-card,
.page-support__guide-card,
.page-support__contact-info,
.page-support__contact-form,
.page-support__feature-item {
    background-color: var(--card-background);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border: 1px solid var(--border-color);
    color: var(--text-dark);
}

.page-support__channel-icon,
.page-support__guide-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
    min-width: 200px;
    min-height: 200px;
}

.page-support__card-title {
    font-size: 1.5em;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.page-support__card-title a {
    color: var(--primary-color);
    text-decoration: none;
}

.page-support__card-title a:hover {
    text-decoration: underline;
}

.page-support__card-text {
    font-size: 0.95em;
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
}

.page-support__dark-section {
    background-color: var(--primary-color);
    color: var(--text-light);
}

.page-support__dark-section .page-support__card {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    border-color: rgba(255, 255, 255, 0.2);
}

.page-support__dark-section .page-support__card-title {
    color: var(--text-light);
}

.page-support__dark-section .page-support__card-title a {
    color: var(--text-light);
}

/* FAQ Section */
.page-support__faq-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.page-support__faq-item {
    text-align: left;
    cursor: pointer;
    overflow: hidden;
    background-color: var(--card-background);
    color: var(--text-dark);
    border: 1px solid var(--border-color);
}

.page-support__dark-section .page-support__faq-item {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    border-color: rgba(255, 255, 255, 0.2);
}

.page-support__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    font-size: 1.1em;
    font-weight: bold;
}

.page-support__faq-title {
    margin: 0;
    color: var(--primary-color);
}

.page-support__dark-section .page-support__faq-title {
    color: var(--text-light);
}

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

.page-support__dark-section .page-support__faq-toggle {
    color: var(--text-light);
}

.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-out, padding 0.3s ease-out;
    font-size: 0.95em;
}

.page-support__faq-item.active .page-support__faq-answer {
    max-height: 1000px !important; /* Đủ lớn để chứa mọi nội dung */
    padding: 15px 20px !important;
}

.page-support__faq-answer p {
    margin: 0;
    padding-bottom: 10px;
}

/* Video Section */
.page-support__video-section {
    text-align: center;
}

.page-support__video-wrapper {
    max-width: 900px;
    margin: 40px auto 0 auto;
    background-color: #000;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    position: relative;
    cursor: pointer;
}

.page-support__video-link {
    display: block;
    width: 100%;
    height: 100%;
}

.page-support__video {
    width: 100%;
    height: auto;
    display: block;
}

.page-support__contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.page-support__form-group {
    margin-bottom: 15px;
    text-align: left;
}

.page-support__form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: var(--text-dark);
}

.page-support__form-input,
.page-support__form-textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1em;
    box-sizing: border-box;
    color: var(--text-dark);
    background-color: var(--secondary-color);
}

.page-support__form-input::placeholder,
.page-support__form-textarea::placeholder {
    color: #999;
}

.page-support__form-textarea {
    resize: vertical;
}

.page-support__contact-info ul {
    list-style: none;
    padding: 0;
    margin-bottom: 20px;
}

.page-support__contact-info li {
    margin-bottom: 10px;
    font-size: 1.05em;
}

.page-support__security-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 40px auto 0 auto;
}

.page-support__feature-item {
    background-color: var(--card-background);
    color: var(--text-dark);
}

.page-support__feature-item .page-support__card-title {
    color: var(--primary-color);
}

/* Responsive adjustments */
@media (max-width: 1024px) {
    .page-support__main-title {
        font-size: 2.5em;
    }
    .page-support__section-title {
        font-size: 2em;
    }
}

@media (max-width: 768px) {
    .page-support__hero-section {
        flex-direction: column;
        padding-top: var(--header-offset, 120px) !important; /* Ensure mobile header offset */
    }
    .page-support__hero-content {
        margin-bottom: 20px;
    }
    .page-support__main-title {
        font-size: 2em;
    }
    .page-support__hero-description {
        font-size: 1em;
    }
    .page-support__cta-buttons {
        flex-direction: column;
        gap: 15px;
    }
    .page-support__btn-primary,
    .page-support__btn-secondary {
        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__channels-grid,
    .page-support__guides-grid,
    .page-support__contact-grid,
    .page-support__security-features {
        grid-template-columns: 1fr;
        padding: 0 15px;
    }
    .page-support__section-title {
        font-size: 1.8em;
    }
    .page-support__section-description {
        font-size: 0.95em;
    }

    /* Mobile image responsive */
    .page-support img {
        max-width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    .page-support__hero-image {
        height: 100% !important; /* Ensure hero image covers background */
    }
    .page-support__channel-icon,
    .page-support__guide-image {
        height: 200px;
    }

    /* Mobile video responsive */
    .page-support video,
    .page-support__video {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    .page-support__video-wrapper,
    .page-support__video-link {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
        padding: 0 15px;
    }

    /* General content padding for mobile to prevent overflow */
    .page-support__channels-section,
    .page-support__faq-section,
    .page-support__guides-section,
    .page-support__contact-section,
    .page-support__security-section {
        padding: 40px 15px;
    }
    .page-support__card,
    .page-support__faq-item {
        padding: 20px;
    }
    .page-support__form-input,
    .page-support__form-textarea {
        padding: 10px;
    }

    /* Ensure containers for images/videos/buttons handle overflow */
    .page-support__channels-section,
    .page-support__guides-section,
    .page-support__contact-section,
    .page-support__security-section,
    .page-support__hero-section,
    .page-support__video-section {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow-x: hidden !important;
    }
    .page-support__cta-buttons,
    .page-support__button-group,
    .page-support__btn-container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        flex-wrap: wrap !important;
        gap: 10px;
        flex-direction: column !important;
    }
}

@media (max-width: 480px) {
    .page-support__main-title {
        font-size: 1.8em;
    }
    .page-support__section-title {
        font-size: 1.5em;
    }
    .page-support__btn-primary,
    .page-support__btn-secondary {
        font-size: 1em;
        padding: 12px 20px;
    }
    .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: 10px 15px !important;
    }
}