/* style/contact.css */

/* Variables */
:root {
    --primary-color: #26A9E0;
    --secondary-color: #FFFFFF;
    --text-dark: #333333;
    --text-light: #ffffff;
    --background-light: #f9f9f9;
    --background-dark: #26A9E0; /* Using primary color for dark background sections */
    --border-color: #e0e0e0;
    --form-border: #cccccc;
    --button-login: #EA7C07; /* Custom color for login, used for primary action buttons */
}

/* Base styles for the contact page */
.page-contact {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark); /* Default text color for light background */
    background: var(--secondary-color); /* Default body background is white/light */
}

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

.page-contact__section-title {
    font-size: 2.5em;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 40px;
    font-weight: bold;
}

/* Hero Section */
.page-contact__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); /* Fixed header offset */
    background: linear-gradient(135deg, var(--primary-color) 0%, #a8e0f9 100%); /* Lighter gradient for hero */
    color: var(--text-light);
    overflow: hidden; /* Ensure content doesn't overflow */
}

.page-contact__hero-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1; /* Ensure content is above any background effects */
}

.page-contact__hero-image {
    width: 100%;
    margin-bottom: 30px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-contact__hero-image img {
    width: 100%;
    height: auto;
    max-width: 100%;
    display: block;
    object-fit: cover;
    filter: none; /* Ensure no filter is applied */
}

.page-contact__hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    width: 100%;
    padding: 0 20px;
}

.page-contact__main-title {
    font-size: 3em;
    margin-bottom: 20px;
    color: var(--text-light);
    line-height: 1.2;
}

.page-contact__intro-text {
    font-size: 1.2em;
    margin-bottom: 30px;
    color: var(--text-light);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-contact__cta-button {
    display: inline-block;
    padding: 15px 40px;
    background: var(--button-login); /* Using login color for primary CTA */
    color: var(--text-light);
    text-decoration: none;
    border-radius: 8px;
    font-size: 1.2em;
    font-weight: bold;
    margin-top: 20px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: none;
    cursor: pointer;
}

.page-contact__cta-button:hover {
    background: #c56806; /* Slightly darker version of #EA7C07 */
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* Info Section */
.page-contact__info-section {
    padding: 80px 0;
    background: var(--background-light); /* Light background for this section */
    color: var(--text-dark);
}

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

.page-contact__card {
    background: var(--secondary-color);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color); /* Added border for contrast */
}

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

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

.page-contact__info-item p {
    margin-bottom: 20px;
    color: var(--text-dark);
}

.page-contact__info-item a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: bold;
}

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

.page-contact__btn-primary,
.page-contact__btn-secondary {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 6px;
    font-size: 1em;
    font-weight: bold;
    text-decoration: none;
    transition: all 0.3s ease;
    margin-top: 15px;
    border: 2px solid;
    cursor: pointer;
}

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

.page-contact__btn-primary:hover {
    background: #2087b3; /* Slightly darker */
    border-color: #2087b3;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.page-contact__btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.page-contact__btn-secondary:hover {
    background: var(--primary-color);
    color: var(--text-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.page-contact__social-links {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    gap: 15px;
}

.page-contact__social-link {
    display: inline-block;
    padding: 8px 15px;
    background: var(--primary-color);
    color: var(--text-light);
    border-radius: 5px;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.page-contact__social-link:hover {
    background: #2087b3;
}

/* Form Section */
.page-contact__form-section {
    padding: 80px 0;
    background: var(--background-dark); /* Dark background for form section */
    color: var(--text-light); /* Light text on dark background */
}

.page-contact__form-description {
    text-align: center;
    margin-bottom: 40px;
    font-size: 1.1em;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.page-contact__contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: var(--secondary-color);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    color: var(--text-dark); /* Form content itself should have dark text */
}

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

.page-contact__form-label {
    display: block;
    margin-bottom: 10px;
    font-weight: bold;
    color: var(--primary-color);
}

.page-contact__form-input,
.page-contact__form-textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--form-border);
    border-radius: 8px;
    font-size: 1em;
    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: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(38, 169, 224, 0.2);
    outline: none;
}

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

.page-contact__submit-button {
    display: block;
    width: 100%;
    padding: 18px;
    background: var(--button-login); /* Using login color for submit button */
    color: var(--text-light);
    border: none;
    border-radius: 8px;
    font-size: 1.2em;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-contact__submit-button:hover {
    background: #c56806; /* Slightly darker version of #EA7C07 */
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* FAQ Section */
.page-contact__faq-section {
    padding: 80px 0;
    background: var(--background-light);
    color: var(--text-dark);
}

.page-contact__faq-intro {
    text-align: center;
    margin-bottom: 40px;
    font-size: 1.1em;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* FAQ容器样式 */
.page-contact__faq-item {
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

/* FAQ默认状态 - 答案隐藏 */
.page-contact__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 0.3s ease;
    padding: 0 25px; /* Adjust padding for consistency */
    opacity: 0;
    color: var(--text-dark);
}

/* FAQ展开状态 - 🚨 使用!important和足够大的max-height确保一定能展开 */
.page-contact__faq-item.active .page-contact__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; /* Adjust padding for consistency */
    opacity: 1;
    background: var(--secondary-color);
    border-top: 1px solid var(--border-color);
    border-radius: 0 0 8px 8px;
}

/* 问题样式 */
.page-contact__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px; /* Adjust padding for consistency */
    background: var(--secondary-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    user-select: none;
    transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}

.page-contact__faq-item.active .page-contact__faq-question {
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    border-bottom: none;
}

.page-contact__faq-question:hover {
    background: var(--background-light);
    border-color: #d0d0d0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

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

/* 问题标题样式 */
.page-contact__faq-question h3 {
    margin: 0;
    padding: 0;
    flex: 1;
    font-size: 1.15em;
    font-weight: 600;
    line-height: 1.5;
    color: var(--text-dark);
    pointer-events: none; /* 防止h3标签阻止点击事件 */
}

/* 切换图标 */
.page-contact__faq-toggle {
    font-size: 28px; /* Slightly larger for better touch */
    font-weight: bold;
    line-height: 1;
    color: var(--primary-color); /* Use primary color for toggle */
    transition: transform 0.3s ease, color 0.3s ease;
    flex-shrink: 0;
    margin-left: 15px;
    pointer-events: none; /* 防止图标阻止点击事件 */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px; /* Larger touch area */
    height: 32px;
}

.page-contact__faq-item.active .page-contact__faq-toggle {
    color: #1a6f91;
    transform: rotate(45deg); /* Rotate for 'x' effect */
}


/* Responsive Design */
@media (max-width: 1024px) {
    .page-contact__hero-image {
        margin-bottom: 20px;
    }

    .page-contact__main-title {
        font-size: 2.5em;
    }

    .page-contact__intro-text {
        font-size: 1.1em;
    }

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

    .page-contact__info-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 25px;
    }

    .page-contact__card {
        padding: 25px;
    }

    .page-contact__contact-form {
        padding: 30px;
    }
}

@media (max-width: 768px) {
    .page-contact__hero-section {
        padding-top: var(--header-offset, 120px) !important; /* Mobile fixed header offset */
        padding-bottom: 40px;
        padding-left: 15px;
        padding-right: 15px;
    }

    .page-contact__hero-image {
        margin-bottom: 20px;
        border-radius: 8px;
    }

    .page-contact__hero-image img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }

    .page-contact__main-title {
        font-size: 2em;
        margin-bottom: 15px;
    }

    .page-contact__intro-text {
        font-size: 1em;
        margin-bottom: 25px;
    }

    .page-contact__cta-button {
        padding: 12px 30px;
        font-size: 1em;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    .page-contact__section-title {
        font-size: 1.8em;
        margin-bottom: 30px;
    }

    .page-contact__info-section,
    .page-contact__form-section,
    .page-contact__faq-section {
        padding: 50px 0;
    }

    .page-contact__info-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-contact__card {
        padding: 20px;
        border-radius: 8px;
    }

    .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__social-links {
        flex-direction: column;
        gap: 10px;
    }

    .page-contact__social-link {
        width: 100%;
        box-sizing: border-box;
    }

    .page-contact__form-description {
        font-size: 1em;
        margin-bottom: 30px;
    }

    .page-contact__contact-form {
        padding: 25px;
        border-radius: 8px;
    }

    .page-contact__form-label {
        font-size: 0.95em;
        margin-bottom: 8px;
    }

    .page-contact__form-input,
    .page-contact__form-textarea {
        padding: 12px;
        border-radius: 6px;
    }

    .page-contact__submit-button {
        padding: 15px;
        font-size: 1.1em;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    .page-contact__faq-intro {
        font-size: 1em;
        margin-bottom: 30px;
    }

    .page-contact__faq-question {
        padding: 15px 20px;
        flex-wrap: wrap;
        border-radius: 8px;
    }
    
    .page-contact__faq-item.active .page-contact__faq-question {
        border-bottom-left-radius: 0;
        border-bottom-right-radius: 0;
    }

    .page-contact__faq-question h3 {
        font-size: 1em;
        margin-bottom: 0;
        width: calc(100% - 40px); /* Adjust for toggle icon */
    }

    .page-contact__faq-toggle {
        margin-left: 10px;
        width: 28px;
        height: 28px;
        font-size: 24px;
    }

    .page-contact__faq-answer {
        padding: 0 20px;
    }

    .page-contact__faq-item.active .page-contact__faq-answer {
        padding: 15px 20px !important;
    }

    /* Ensure all content containers are constrained */
    .page-contact__container {
        padding-left: 15px;
        padding-right: 15px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }
    .page-contact__info-section .page-contact__container,
    .page-contact__form-section .page-contact__container,
    .page-contact__faq-section .page-contact__container {
        padding-left: 15px;
        padding-right: 15px;
    }
}

/* Ensure no image filters are applied */
.page-contact img {
    filter: none;
}