/* style/contact-us.css */

/* 🚨 Cố định khoảng cách cho thanh điều hướng (HEADER_PLACEHOLDER) */
.page-contact-us {
    padding-top: 120px; /* Khoảng cách cho desktop */
    color: #ffffff; /* Văn bản màu trắng cho nền đen của body */
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .page-contact-us {
        padding-top: 100px; /* Khoảng cách cho mobile */
    }
}

/* Các phần tử chung */
.page-contact-us__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

.page-contact-us__section-title {
    font-size: 36px;
    font-weight: bold;
    text-align: center;
    margin-bottom: 20px;
    color: #FFD700; /* Màu vàng thương hiệu */
    text-transform: uppercase;
}

.page-contact-us__section-description {
    font-size: 18px;
    text-align: center;
    margin-bottom: 40px;
    color: #f0f0f0;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* 🚨 HERO Banner Section */
.page-contact-us__hero-banner {
    background: linear-gradient(135deg, #8B0000, #FFD700);
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-contact-us__hero-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.page-contact-us__hero-title {
    font-size: 48px;
    font-weight: 900;
    color: #ffffff;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-contact-us__hero-description {
    font-size: 20px;
    color: #f0f0f0;
    margin-bottom: 40px;
    line-height: 1.5;
}

.page-contact-us__hero-cta-button {
    display: inline-block;
    background-color: #FFD700; /* Màu vàng thương hiệu */
    color: #000000; /* Đảm bảo độ tương phản */
    padding: 15px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    font-size: 20px;
    transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    border: 2px solid #FFD700;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
}

.page-contact-us__hero-cta-button:hover {
    background-color: #ffe033;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.6);
}

/* 🚨 Contact Methods Section */
.page-contact-us__contact-methods {
    padding: 80px 0;
    background-color: #0d0d0d; /* Nền hơi tối */
}

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

.page-contact-us__method-card {
    background-color: rgba(255, 255, 255, 0.08); /* Nền trong suốt */
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, background-color 0.3s ease;
    border: 1px solid rgba(255, 215, 0, 0.2);
}

.page-contact-us__method-card:hover {
    transform: translateY(-10px);
    background-color: rgba(255, 255, 255, 0.15);
    border-color: #FFD700;
}

.page-contact-us__method-icon {
    width: 100px;
    height: 100px;
    object-fit: contain;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 8px rgba(255, 215, 0, 0.5)); /* Không thay đổi màu ảnh, chỉ thêm bóng */
}

.page-contact-us__method-title {
    font-size: 24px;
    font-weight: bold;
    color: #FFD700; /* Màu vàng thương hiệu */
    margin-bottom: 15px;
}

.page-contact-us__method-text {
    font-size: 16px;
    color: #cccccc;
    margin-bottom: 25px;
}

.page-contact-us__method-button {
    display: inline-block;
    background-color: #8B0000; /* Màu đỏ sẫm thương hiệu */
    color: #ffffff; /* Đảm bảo độ tương phản */
    padding: 12px 25px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    font-size: 16px;
    transition: background-color 0.3s ease, transform 0.3s ease;
    border: 1px solid #8B0000;
}

.page-contact-us__method-button:hover {
    background-color: #a00000;
    transform: translateY(-2px);
}

/* 🚨 Contact Form Section */
.page-contact-us__contact-form-section {
    padding: 80px 0;
    background-color: #1a1a1a;
}

.page-contact-us__contact-form {
    max-width: 700px;
    margin: 0 auto;
    background-color: rgba(255, 255, 255, 0.08);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 215, 0, 0.2);
}

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

.page-contact-us__form-label {
    display: block;
    font-size: 18px;
    color: #FFD700; /* Màu vàng thương hiệu */
    margin-bottom: 10px;
    font-weight: bold;
}

.page-contact-us__form-input,
.page-contact-us__form-textarea {
    width: 100%;
    padding: 15px;
    border-radius: 8px;
    border: 1px solid rgba(255, 215, 0, 0.4);
    background-color: rgba(255, 255, 255, 0.05);
    color: #ffffff;
    font-size: 16px;
    box-sizing: border-box;
    transition: border-color 0.3s ease, background-color 0.3s ease;
}

.page-contact-us__form-input::placeholder,
.page-contact-us__form-textarea::placeholder {
    color: #aaa;
}

.page-contact-us__form-input:focus,
.page-contact-us__form-textarea:focus {
    border-color: #FFD700;
    background-color: rgba(255, 255, 255, 0.1);
    outline: none;
}

.page-contact-us__submit-button {
    display: block;
    width: 100%;
    padding: 18px;
    background-color: #FFD700; /* Màu vàng thương hiệu */
    color: #000000; /* Đảm bảo độ tương phản */
    border: none;
    border-radius: 8px;
    font-size: 20px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
}

.page-contact-us__submit-button:hover {
    background-color: #ffe033;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.6);
}

/* 🚨 FAQ Section */
.page-contact-us__faq-section {
    padding: 80px 0;
    background-color: #000000; /* Nền đen */
}

.page-contact-us__faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.page-contact-us__faq-item {
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    background-color: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 215, 0, 0.2);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-contact-us__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    background: rgba(255, 255, 255, 0.05);
    cursor: pointer;
    user-select: none;
    transition: background-color 0.3s ease, border-color 0.3s ease;
    position: relative;
}

.page-contact-us__faq-question:hover {
    background: rgba(255, 255, 255, 0.1);
}

.page-contact-us__faq-question h3 {
    margin: 0;
    padding: 0;
    flex: 1;
    font-size: 18px;
    font-weight: 600;
    line-height: 1.5;
    color: #ffffff; /* Văn bản trắng */
    pointer-events: none; /* Ngăn h3 chặn sự kiện click */
}

.page-contact-us__faq-toggle {
    font-size: 28px;
    font-weight: bold;
    line-height: 1;
    color: #FFD700; /* Màu vàng thương hiệu */
    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-contact-us__faq-item.active .page-contact-us__faq-toggle {
    color: #8B0000; /* Màu đỏ sẫm */
    transform: rotate(45deg); /* Hoặc đơn giản là chuyển thành dấu trừ */
}

/* FAQ mặc định - ẩn câu trả lời */
.page-contact-us__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 25px;
    opacity: 0;
    color: #cccccc;
    font-size: 16px;
    line-height: 1.6;
}

/* FAQ trạng thái mở rộng - 🚨 Sử dụng !important và max-height đủ lớn */
.page-contact-us__faq-item.active .page-contact-us__faq-answer {
    max-height: 2000px !important; /* Đảm bảo đủ chỗ cho nội dung dài */
    padding: 20px 25px !important;
    opacity: 1;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 0 0 8px 8px;
}

/* 🚨 Why Choose Us Section */
.page-contact-us__why-choose-us {
    padding: 80px 0;
    background-color: #0d0d0d;
}

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

.page-contact-us__feature-card {
    background-color: rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, background-color 0.3s ease;
    border: 1px solid rgba(139, 0, 0, 0.3);
}

.page-contact-us__feature-card:hover {
    transform: translateY(-10px);
    background-color: rgba(255, 255, 255, 0.15);
    border-color: #8B0000;
}

.page-contact-us__feature-icon {
    width: 100px;
    height: 100px;
    object-fit: contain;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 8px rgba(139, 0, 0, 0.5)); /* Không thay đổi màu ảnh, chỉ thêm bóng */
}

.page-contact-us__feature-title {
    font-size: 24px;
    font-weight: bold;
    color: #FFD700;
    margin-bottom: 15px;
}

.page-contact-us__feature-text {
    font-size: 16px;
    color: #cccccc;
}

.page-contact-us__cta-bottom {
    text-align: center;
    margin-top: 60px;
    padding: 40px;
    background-color: rgba(255, 215, 0, 0.1);
    border-radius: 12px;
    border: 1px solid rgba(255, 215, 0, 0.3);
}

.page-contact-us__cta-bottom p {
    font-size: 22px;
    font-weight: bold;
    color: #ffffff;
    margin-bottom: 30px;
}

/* 🚨 Community Section */
.page-contact-us__community-section {
    padding: 80px 0;
    background-color: #1a1a1a;
    text-align: center;
}

.page-contact-us__social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.page-contact-us__social-button {
    display: inline-block;
    background-color: #8B0000; /* Màu đỏ sẫm thương hiệu */
    color: #ffffff; /* Đảm bảo độ tương phản */    padding: 15px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    font-size: 18px;
    transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    border: 2px solid #8B0000;
}

.page-contact-us__social-button:hover {
    background-color: #a00000;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(139, 0, 0, 0.6);
}

/* 🚨 Responsive Design */
@media (max-width: 1024px) {
    .page-contact-us__hero-title {
        font-size: 40px;
    }
    .page-contact-us__section-title {
        font-size: 30px;
    }
    .page-contact-us__section-description {
        font-size: 16px;
    }
    .page-contact-us__hero-description {
        font-size: 18px;
    }
}

@media (max-width: 768px) {
    .page-contact-us__hero-banner {
        padding: 60px 0;
    }
    .page-contact-us__hero-title {
        font-size: 32px;
        margin-bottom: 15px;
    }
    .page-contact-us__hero-description {
        font-size: 16px;
        margin-bottom: 30px;
    }
    .page-contact-us__hero-cta-button {
        padding: 12px 25px;
        font-size: 18px;
    }
    .page-contact-us__section-title {
        font-size: 26px;
        margin-bottom: 15px;
    }
    .page-contact-us__section-description {
        font-size: 14px;
        margin-bottom: 30px;
    }
    .page-contact-us__contact-methods,
    .page-contact-us__contact-form-section,
    .page-contact-us__faq-section,
    .page-contact-us__why-choose-us,
    .page-contact-us__community-section {
        padding: 50px 0;
    }
    .page-contact-us__method-card,
    .page-contact-us__feature-card {
        padding: 20px;
    }
    .page-contact-us__method-icon,
    .page-contact-us__feature-icon {
        width: 80px;
        height: 80px;
        margin-bottom: 15px;
    }
    .page-contact-us__method-title,
    .page-contact-us__feature-title {
        font-size: 20px;
        margin-bottom: 10px;
    }
    .page-contact-us__method-text,
    .page-contact-us__feature-text {
        font-size: 14px;
    }
    .page-contact-us__method-button {
        padding: 10px 20px;
        font-size: 14px;
    }
    .page-contact-us__contact-form {
        padding: 30px;
    }
    .page-contact-us__form-label {
        font-size: 16px;
    }
    .page-contact-us__form-input,
    .page-contact-us__form-textarea {
        padding: 12px;
        font-size: 14px;
    }
    .page-contact-us__submit-button {
        padding: 15px;
        font-size: 18px;
    }
    .page-contact-us__faq-question {
        padding: 15px 20px;
    }
    .page-contact-us__faq-question h3 {
        font-size: 16px;
    }
    .page-contact-us__faq-toggle {
        font-size: 24px;
        width: 25px;
        height: 25px;
    }
    .page-contact-us__faq-answer {
        padding: 0 20px;
    }
    .page-contact-us__faq-item.active .page-contact-us__faq-answer {
        padding: 15px 20px !important;
    }
    .page-contact-us__cta-bottom p {
        font-size: 18px;
    }
    .page-contact-us__social-button {
        padding: 12px 25px;
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .page-contact-us__hero-title {
        font-size: 28px;
    }
    .page-contact-us__section-title {
        font-size: 24px;
    }
    .page-contact-us__methods-grid,
    .page-contact-us__features-grid {
        grid-template-columns: 1fr;
    }
    .page-contact-us__container {
        padding: 0 15px;
    }
    .page-contact-us__hero-cta-button {
        font-size: 16px;
        padding: 10px 20px;
    }
    .page-contact-us__faq-question h3 {
        font-size: 15px;
    }
    .page-contact-us__faq-toggle {
        font-size: 22px;
    }
    .page-contact-us__faq-answer {
        font-size: 14px;
    }
    .page-contact-us__cta-bottom p {
        font-size: 16px;
    }
    .page-contact-us__social-links {
        flex-direction: column;
        gap: 15px;
    }
    .page-contact-us__social-button {
        width: 80%;
        margin: 0 auto;
    }

    /* 🚨 Mobile image responsive styles */
    .page-contact-us img {
        max-width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    .page-contact-us__section,
    .page-contact-us__card,
    .page-contact-us__container,
    .page-contact-us__method-card,
    .page-contact-us__feature-card,
    .page-contact-us__faq-item {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 0 !important;
        padding-right: 0 !important;
    }
    .page-contact-us__container {
        padding: 0 15px !important;
    }
    .page-contact-us__contact-form {
        padding: 20px !important;
    }
    .page-contact-us__faq-question,
    .page-contact-us__faq-answer {
        padding-left: 15px !important;
        padding-right: 15px !important;
    }
}