/* style/contact.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này không cần lặp lại */
.page-contact {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #f0f0f0; /* Màu chữ sáng cho nền tối */
    background-color: var(--black-color); /* Nền tối từ shared.css */
}

.page-contact__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

/* Hero Section */
.page-contact__hero-section {
    position: relative;
    display: flex;
    flex-direction: column; /* Hình ảnh trên, nội dung dưới */
    align-items: center;
    text-align: center;
    padding: 60px 20px;
    padding-top: 10px; /* Khoảng đệm nhỏ ở trên */
    background-color: #0d0d0d; /* Nền tối cho hero */
    color: #ffffff;
}

.page-contact__hero-image-wrapper {
    width: 100%;
    max-width: 1200px;
    margin-bottom: 30px;
}

.page-contact__hero-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    object-fit: cover;
}

.page-contact__hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.page-contact__main-title {
    font-size: clamp(2em, 4vw, 3.5em); /* Kích thước H1 linh hoạt */
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #26A9E0; /* Màu thương hiệu cho H1 */
}

.page-contact__hero-description {
    font-size: 1.1em;
    margin-bottom: 30px;
    color: #f0f0f0;
}

/* CTA Buttons */
.page-contact__cta-buttons {
    display: flex;
    flex-wrap: wrap; /* Cho phép xuống dòng trên màn hình nhỏ */
    gap: 15px;
    justify-content: center;
}

.page-contact__btn-primary,
.page-contact__btn-secondary {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.05em;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
    cursor: pointer;
    box-sizing: border-box;
    max-width: 100%; /* Đảm bảo nút phản hồi */
    white-space: normal; /* Cho phép chữ xuống dòng */
    word-wrap: break-word; /* Cho phép chữ xuống dòng */
    text-align: center;
}

.page-contact__btn-primary {
    background-color: #26A9E0; /* Màu thương hiệu chính */
    color: #ffffff;
    border: 2px solid #26A9E0;
}

.page-contact__btn-primary:hover {
    background-color: #1f8ac7;
    border-color: #1f8ac7;
}

.page-contact__btn-secondary {
    background-color: transparent;
    color: #26A9E0;
    border: 2px solid #26A9E0;
}

.page-contact__btn-secondary:hover {
    background-color: #26A9E0;
    color: #ffffff;
}

/* Section common styles */
.page-contact__section-title {
    font-size: clamp(1.8em, 3.5vw, 2.8em);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 20px;
    text-align: center;
    color: #26A9E0; /* Màu thương hiệu cho tiêu đề phần */
}

.page-contact__section-description {
    font-size: 1.1em;
    line-height: 1.6;
    margin-bottom: 40px;
    text-align: center;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    color: #f0f0f0; /* Màu chữ sáng cho các phần nền tối */
}

/* Channels Section */
.page-contact__channels-section {
    padding: 80px 20px;
    background-color: #0d0d0d; /* Nền tối */
    color: #f0f0f0;
}

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

.page-contact__channel-card {
    background-color: #1a1a1a; /* Nền tối hơn một chút cho thẻ */
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: #ffffff; /* Chữ sáng */
}

.page-contact__channel-icon {
    width: 80px;
    height: 80px;
    object-fit: contain;
    margin-bottom: 20px;
}

.page-contact__channel-title {
    font-size: 1.5em;
    font-weight: 600;
    margin-bottom: 15px;
    color: #26A9E0;
}

.page-contact__channel-text {
    font-size: 1em;
    margin-bottom: 25px;
    flex-grow: 1; /* Đẩy nút xuống dưới cùng */
}

/* Contact Form Section */
.page-contact__form-section {
    padding: 80px 20px;
    background-color: #ffffff; /* Nền sáng */
    color: #333333; /* Chữ tối */
}

.page-contact__form-section .page-contact__section-title {
    color: #26A9E0;
}

.page-contact__form-section .page-contact__section-description {
    color: #333333;
}

.page-contact__contact-form {
    max-width: 700px;
    margin: 40px auto 0 auto;
    background-color: #f9f9f9;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.page-contact__form-group {
    margin-bottom: 25px;
}

.page-contact__form-label {
    display: block;
    font-size: 1.1em;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333333;
}

.page-contact__form-input,
.page-contact__form-textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1em;
    color: #333333;
    box-sizing: border-box;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.page-contact__form-input:focus,
.page-contact__form-textarea:focus {
    border-color: #26A9E0;
    box-shadow: 0 0 0 3px rgba(38, 169, 224, 0.2);
    outline: none;
}

.page-contact__form-textarea {
    resize: vertical;
    min-height: 120px;
}

/* FAQ Section */
.page-contact__faq-section {
    padding: 80px 20px;
    background-color: #0d0d0d; /* Nền tối */
    color: #f0f0f0;
}

.page-contact__faq-section .page-contact__section-title {
    color: #26A9E0;
}

.page-contact__faq-section .page-contact__section-description {
    color: #f0f0f0;
}

.page-contact__faq-list {
    max-width: 900px;
    margin: 40px auto 0 auto;
}

.page-contact__faq-item {
    background-color: #1a1a1a; /* Nền tối hơn một chút cho các mục FAQ */
    margin-bottom: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    color: #ffffff; /* Chữ sáng */
}

.page-contact__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.2em;
    font-weight: 600;
    color: #26A9E0;
    cursor: pointer;
    background-color: #1a1a1a;
    border-radius: 8px;
    transition: background-color 0.3s ease;
    list-style: none; /* Ẩn dấu đầu dòng mặc định của summary */
}

.page-contact__faq-question:hover {
    background-color: #2a2a2a;
}

.page-contact__faq-question::-webkit-details-marker {
    display: none;
}

.page-contact__faq-question::marker {
    display: none;
}

.page-contact__faq-toggle {
    font-size: 1.5em;
    font-weight: bold;
    color: #ffffff;
    margin-left: 15px;
}

.page-contact__faq-item[open] .page-contact__faq-toggle {
    content: "−"; /* Cập nhật dấu trừ khi mở */
}

.page-contact__faq-answer {
    padding: 15px 25px 20px 25px;
    font-size: 1em;
    line-height: 1.7;
    color: #f0f0f0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.page-contact__faq-answer p {
    margin-bottom: 0;
}

/* Commitment Section */
.page-contact__commitment-section {
    padding: 80px 20px;
    background-color: #ffffff; /* Nền sáng */
    color: #333333; /* Chữ tối */
}

.page-contact__commitment-section .page-contact__section-title {
    color: #26A9E0;
}

.page-contact__commitment-section .page-contact__section-description {
    color: #333333;
}

.page-contact__commitment-list {
    list-style: none;
    padding: 0;
    margin-top: 40px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.page-contact__commitment-item {
    background-color: #f9f9f9;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    color: #333333;
}

.page-contact__commitment-heading {
    font-size: 1.4em;
    font-weight: 600;
    margin-bottom: 10px;
    color: #26A9E0;
}

.page-contact__commitment-item p {
    font-size: 1em;
    line-height: 1.6;
    color: #555555;
}

/* Final CTA Section */
.page-contact__final-cta-section {
    padding: 80px 20px;
    background-color: #0d0d0d; /* Nền tối */
    color: #f0f0f0;
    text-align: center;
}

.page-contact__final-cta-section .page-contact__section-title {
    color: #26A9E0;
}

.page-contact__final-cta-section .page-contact__section-description {
    color: #f0f0f0;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .page-contact__hero-section {
        padding: 40px 20px;
        padding-top: 10px;
    }
    .page-contact__channels-section,
    .page-contact__form-section,
    .page-contact__faq-section,
    .page-contact__commitment-section,
    .page-contact__final-cta-section {
        padding: 60px 20px;
    }
}

@media (max-width: 768px) {
    .page-contact__hero-section {
        padding: 30px 15px;
        padding-top: 10px !important; /* body đã xử lý padding-top, chỉ dùng giá trị nhỏ */
    }
    .page-contact__main-title {
        font-size: clamp(2em, 8vw, 2.5em);
    }
    .page-contact__hero-description,
    .page-contact__section-description,
    .page-contact__channel-text,
    .page-contact__form-label,
    .page-contact__form-input,
    .page-contact__form-textarea,
    .page-contact__faq-question,
    .page-contact__faq-answer,
    .page-contact__commitment-item p {
        font-size: 16px; /* Đảm bảo dễ đọc trên di động */
    }

    .page-contact__cta-buttons {
        flex-direction: column; /* Xếp chồng các nút theo chiều dọc */
        gap: 10px;
        padding: 0 15px; /* Thêm padding cho vùng chứa nút */
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

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

    .page-contact__channels-grid,
    .page-contact__commitment-list {
        grid-template-columns: 1fr;
        padding: 0 15px;
    }

    .page-contact__container,
    .page-contact__form-section .page-contact__contact-form,
    .page-contact__faq-list {
        padding-left: 15px !important;
        padding-right: 15px !important;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    /* Images responsiveness */
    .page-contact img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    
    .page-contact__hero-image-wrapper,
    .page-contact__channel-card {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    .page-contact__hero-image {
        width: 100%; /* Đảm bảo hình ảnh hero chiếm toàn bộ chiều rộng */
    }

    .page-contact__section-title {
        font-size: clamp(1.5em, 7vw, 2em);
    }
}

@media (max-width: 480px) {
    .page-contact__hero-section {
        padding: 20px 10px;
        padding-top: 10px !important;
    }
    .page-contact__channels-section,
    .page-contact__form-section,
    .page-contact__faq-section,
    .page-contact__commitment-section,
    .page-contact__final-cta-section {
        padding: 40px 10px;
    }
    .page-contact__main-title {
        font-size: clamp(1.8em, 9vw, 2.2em);
    }
    .page-contact__container,
    .page-contact__cta-buttons,
    .page-contact__channels-grid,
    .page-contact__form-section .page-contact__contact-form,
    .page-contact__faq-list,
    .page-contact__commitment-list {
        padding-left: 10px !important;
        padding-right: 10px !important;
    }
}