/* style/contact.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này không cần lặp lại */

:root {
    --page-contact-primary-color: #26A9E0;
    --page-contact-secondary-color: #FFFFFF;
    --page-contact-dark-text-color: #333333;
    --page-contact-light-text-color: #FFFFFF;
    --page-contact-login-color: #EA7C07;
}

.page-contact {
    color: var(--page-contact-dark-text-color); /* Body là nền sáng, dùng chữ tối */
    font-family: Arial, sans-serif;
    line-height: 1.6;
}

.page-contact__hero-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    padding-top: 10px; /* Nhỏ hơn so với --header-offset của body */
    text-align: center;
    overflow: hidden;
    background-color: var(--page-contact-primary-color);
}

.page-contact__hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.page-contact__hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    color: var(--page-contact-light-text-color);
    padding: 20px;
    background: rgba(0, 0, 0, 0.4); /* Để chữ dễ đọc trên nền ảnh */
    border-radius: 10px;
}

.page-contact__hero-title {
    font-size: clamp(2.2rem, 4vw, 3rem); /* H1 dùng clamp, không dùng fixed lớn */
    font-weight: bold;
    margin-bottom: 15px;
    line-height: 1.2;
    color: var(--page-contact-light-text-color);
}

.page-contact__hero-description {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: var(--page-contact-light-text-color);
}

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

.page-contact__main-contact-section,
.page-contact__faq-section,
.page-contact__form-section,
.page-contact__social-media-section {
    padding: 60px 0;
}

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

.page-contact__dark-bg {
    background-color: var(--page-contact-primary-color);
    color: var(--page-contact-light-text-color);
}

.page-contact__section-title {
    font-size: 2.5rem;
    font-weight: bold;
    text-align: center;
    margin-bottom: 20px;
    color: inherit;
}

.page-contact__section-description {
    font-size: 1.1rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px auto;
    color: inherit;
}

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

.page-contact__channel-card {
    background-color: var(--page-contact-secondary-color);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--page-contact-dark-text-color);
    border: 1px solid #e0e0e0; /* Tăng cường độ tương phản */
}

.page-contact__channel-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    object-fit: contain;
    border-radius: 50%;
    background-color: rgba(38, 169, 224, 0.1); /* Nhẹ nhàng theo màu chủ đạo */
    padding: 10px;
}

.page-contact__channel-title {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 15px;
    color: var(--page-contact-primary-color);
}

.page-contact__channel-description {
    font-size: 1rem;
    margin-bottom: 25px;
    flex-grow: 1;
}

.page-contact__btn-primary,
.page-contact__btn-secondary {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
    box-sizing: border-box;
    white-space: normal; /* Cho phép chữ xuống dòng */
    word-wrap: break-word;
    text-align: center;
}

.page-contact__btn-primary {
    background-color: var(--page-contact-primary-color);
    color: var(--page-contact-light-text-color);
    border: 2px solid var(--page-contact-primary-color);
}

.page-contact__btn-primary:hover {
    background-color: darken(var(--page-contact-primary-color), 10%);
    border-color: darken(var(--page-contact-primary-color), 10%);
}

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

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

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

.page-contact__faq-item {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    color: var(--page-contact-light-text-color);
    border: 1px solid rgba(255, 255, 255, 0.2); /* Tăng cường độ tương phản */
}

.page-contact__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    font-size: 1.15rem;
    font-weight: bold;
    cursor: pointer;
    background-color: rgba(255, 255, 255, 0.15);
    transition: background-color 0.3s ease;
    color: var(--page-contact-light-text-color);
    list-style: none; /* Remove default marker for details summary */
}

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

.page-contact__faq-question:hover {
    background-color: rgba(255, 255, 255, 0.25);
}

.page-contact__faq-toggle {
    font-size: 1.5rem;
    line-height: 1;
    margin-left: 15px;
}

.page-contact__faq-answer {
    padding: 0 20px 20px 20px;
    font-size: 1rem;
    color: var(--page-contact-light-text-color);
}

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

.page-contact__contact-form {
    max-width: 700px;
    margin: 40px auto 0 auto;
    background-color: var(--page-contact-secondary-color);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--page-contact-dark-text-color);
}

.page-contact__form-group {
    width: 100%;
    margin-bottom: 20px;
}

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

.page-contact__form-input,
.page-contact__form-textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1rem;
    box-sizing: border-box;
}

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

.page-contact__contact-form .page-contact__btn-primary {
    margin-top: 20px;
    width: auto;
    min-width: 200px;
}

.page-contact__form-image {
    width: 100%;
    max-width: 500px;
    height: auto;
    margin-top: 40px;
    border-radius: 10px;
    object-fit: cover;
}

.page-contact__social-icons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
}

.page-contact__social-link {
    display: block;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--page-contact-secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.page-contact__social-link:hover {
    transform: translateY(-5px);
    background-color: var(--page-contact-primary-color);
}

.page-contact__social-link:hover img {
    filter: brightness(0) invert(1); /* Biến icon thành màu trắng trên nền xanh */
}

.page-contact__social-icon {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

/* =================================================================== */
/* Responsive Design */
/* =================================================================== */

/* Desktop specific (ensure __video-container width: 100% is present if video is used) */
.page-contact__hero-section .page-contact__btn-primary {
    max-width: 300px;
}

/* All images basic responsive styles */
.page-contact img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* All videos basic responsive styles */
.page-contact video,
.page-contact__video {
    max-width: 100%;
    width: 100%;
    height: auto;
    display: block;
}

/* Video container basic responsive styles */
.page-contact__video-section,
.page-contact__video-container,
.page-contact__video-wrapper {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

/* All buttons basic responsive styles */
.page-contact__cta-button,
.page-contact__btn-primary,
.page-contact__btn-secondary,
.page-contact a[class*="button"],
.page-contact a[class*="btn"] {
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

/* Button container basic responsive styles */
.page-contact__cta-buttons,
.page-contact__button-group,
.page-contact__btn-container {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

@media (max-width: 1024px) {
    .page-contact__hero-title {
        font-size: clamp(2rem, 5vw, 2.8rem);
    }
}

@media (max-width: 768px) {
    .page-contact {
        font-size: 16px;
        line-height: 1.6;
    }

    .page-contact__hero-section {
        padding: 40px 15px;
        padding-top: 10px !important;
    }

    .page-contact__hero-title {
        font-size: clamp(1.8rem, 6vw, 2.5rem);
    }

    .page-contact__hero-description {
        font-size: 1rem;
    }

    .page-contact__section-title {
        font-size: 2rem;
    }

    .page-contact__section-description {
        font-size: 1rem;
        margin-left: 15px;
        margin-right: 15px;
    }

    .page-contact__main-contact-section,
    .page-contact__faq-section,
    .page-contact__form-section,
    .page-contact__social-media-section {
        padding: 40px 0;
    }

    .page-contact__contact-channels {
        grid-template-columns: 1fr;
        padding: 0 15px;
    }

    .page-contact__channel-card {
        padding: 25px;
    }

    .page-contact__faq-list {
        padding: 0 15px;
    }

    .page-contact__faq-question {
        font-size: 1rem;
        padding: 15px;
    }

    .page-contact__faq-answer {
        padding: 0 15px 15px 15px;
    }

    .page-contact__contact-form {
        padding: 30px 15px;
        margin-left: 15px;
        margin-right: 15px;
    }

    .page-contact__form-input,
    .page-contact__form-textarea {
        padding: 10px;
    }

    .page-contact__social-icons {
        gap: 15px;
    }

    /* Mobile specific image adaptation */
    .page-contact img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }

    /* Mobile specific video adaptation */
    .page-contact video,
    .page-contact__video {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }

    .page-contact__video-section,
    .page-contact__video-container,
    .page-contact__video-wrapper {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow: hidden !important;
    }

    .page-contact__video-section {
        padding-top: 10px !important;
    }

    .page-contact__video-wrapper {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    /* Mobile specific button adaptation */
    .page-contact__cta-button,
    .page-contact__btn-primary,
    .page-contact__btn-secondary,
    .page-contact a[class*="button"],
    .page-contact 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-contact__cta-buttons,
    .page-contact__button-group,
    .page-contact__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;
    }

    .page-contact__cta-buttons {
        display: flex;
        flex-direction: column;
    }
}