/* style/contact-us.css */

/* Biến màu sắc */
:root {
    --primary-color: #1A2B4C; /* Xanh đậm */
    --secondary-color: #FFD700; /* Vàng kim */
    --text-color-dark: #333333;
    --text-color-light: #ffffff;
    --background-light: #f9f9f9;
    --background-dark: #111e33;
    --border-color: #e0e0e0;
}

/* Các kiểu chung cho trang Liên hệ với chúng tôi */
.page-contact-us {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-color-dark);
    background-color: var(--background-light);
}

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

.page-contact-us-section {
    padding: 60px 0;
    text-align: center;
}

.page-contact-us-section h1,
.page-contact-us-section h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: bold;
}

.page-contact-us-section h1 {
    font-size: 2.8em;
}

.page-contact-us-section h2 {
    font-size: 2.2em;
}

.page-contact-us-section h3 {
    color: var(--primary-color);
    font-size: 1.5em;
    margin-bottom: 10px;
}

.page-contact-us-section p {
    font-size: 1.1em;
    margin-bottom: 15px;
    color: #555555;
}

/* Kiểu nút CTA chung */
.page-contact-us-cta-button {
    display: inline-block;
    background-color: var(--secondary-color);
    color: var(--primary-color); /* Chữ màu đậm trên nền vàng */
    padding: 15px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    margin-top: 20px;
    transition: background-color 0.3s ease, transform 0.3s ease;
    border: 2px solid var(--secondary-color);
}

.page-contact-us-cta-button:hover {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.page-contact-us-btn-small {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--text-color-light);
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    font-size: 0.9em;
    margin-top: 10px;
    transition: background-color 0.3s ease, transform 0.3s ease;
    border: 2px solid var(--primary-color);
}

.page-contact-us-btn-small:hover {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
}

/* Phần Hero */
.page-contact-us-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, #3a5c96 100%);
    color: var(--text-color-light);
    padding: 80px 0;
    text-align: center;
}

.page-contact-us-hero .page-contact-us-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.page-contact-us-hero-content {
    max-width: 800px;
}

.page-contact-us-hero-content h1 {
    color: var(--text-color-light);
    font-size: 3.5em;
    margin-bottom: 25px;
}

.page-contact-us-hero-content p {
    color: #e0e0e0;
    font-size: 1.2em;
    margin-bottom: 30px;
}

.page-contact-us-hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Phần giới thiệu */
.page-contact-us-intro {
    background-color: var(--background-light);
    padding: 80px 0;
}

.page-contact-us-intro p {
    max-width: 900px;
    margin: 0 auto 30px auto;
}

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

.page-contact-us-feature-item {
    background-color: var(--text-color-light);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-contact-us-feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-contact-us-feature-item img {
    width: 150px; /* Đảm bảo kích thước lớn hơn 200px nếu hình ảnh gốc nhỏ */
    height: auto;
    margin-bottom: 20px;
}

.page-contact-us-feature-item h3 {
    font-size: 1.8em;
    color: var(--primary-color);
}

.page-contact-us-feature-item p {
    font-size: 1em;
    color: #666666;
}

/* Phương thức liên hệ */
.page-contact-us-methods {
    background-color: var(--background-dark);
    color: var(--text-color-light);
    padding: 80px 0;
}

.page-contact-us-methods h2 {
    color: var(--secondary-color);
}

.page-contact-us-methods p {
    color: #e0e0e0;
    max-width: 900px;
    margin: 0 auto 40px auto;
}

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

.page-contact-us-method-card {
    background-color: #2a3d60; /* Màu nền card đậm hơn */
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    text-align: left;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.page-contact-us-method-card:hover {
    transform: translateY(-8px);
    background-color: #3b507a;
}

.page-contact-us-method-card img {
    width: 120px; /* Đảm bảo kích thước lớn hơn 200px nếu hình ảnh gốc nhỏ */
    height: auto;
    margin-bottom: 20px;
}

.page-contact-us-method-card h3 {
    color: var(--secondary-color);
    font-size: 1.6em;
    margin-bottom: 15px;
}

.page-contact-us-method-card h3 a {
    color: var(--secondary-color);
    text-decoration: none;
}

.page-contact-us-method-card h3 a:hover {
    text-decoration: underline;
}

.page-contact-us-method-card p,
.page-contact-us-method-card ul {
    color: #c0c0c0;
    font-size: 1em;
    margin-bottom: 15px;
}

.page-contact-us-method-card ul {
    list-style: none;
    padding-left: 0;
    margin-top: 15px;
}

.page-contact-us-method-card ul li {
    margin-bottom: 8px;
    position: relative;
    padding-left: 20px;
}

.page-contact-us-method-card ul li::before {
    content: '•';
    color: var(--secondary-color);
    position: absolute;
    left: 0;
    top: 0;
}

/* Khi nào liên hệ */
.page-contact-us-when-to-contact {
    background-color: var(--background-light);
    padding: 80px 0;
}

.page-contact-us-when-to-contact ul {
    list-style: none;
    padding-left: 0;
    max-width: 900px;
    margin: 40px auto;
    text-align: left;
}

.page-contact-us-when-to-contact ul li {
    background-color: var(--text-color-light);
    padding: 20px 30px;
    margin-bottom: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    font-size: 1.1em;
    color: var(--text-color-dark);
    transition: transform 0.2s ease;
}

.page-contact-us-when-to-contact ul li:hover {
    transform: translateX(10px);
}

.page-contact-us-when-to-contact ul li strong {
    color: var(--primary-color);
}

/* Cam kết dịch vụ */
.page-contact-us-commitment {
    background-color: var(--primary-color);
    color: var(--text-color-light);
    padding: 80px 0;
}

.page-contact-us-commitment h2 {
    color: var(--secondary-color);
}

.page-contact-us-commitment p {
    color: #e0e0e0;
    max-width: 900px;
    margin: 0 auto 40px auto;
}

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

.page-contact-us-commitment-item {
    background-color: #2a3d60;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.page-contact-us-commitment-item:hover {
    transform: translateY(-8px);
}

.page-contact-us-commitment-item img {
    width: 130px; /* Đảm bảo kích thước lớn hơn 200px nếu hình ảnh gốc nhỏ */
    height: auto;
    margin-bottom: 20px;
}

.page-contact-us-commitment-item h3 {
    color: var(--secondary-color);
    font-size: 1.7em;
}

.page-contact-us-commitment-item p {
    color: #c0c0c0;
    font-size: 1em;
}

/* FAQ */
.page-contact-us-faq {
    background-color: var(--background-light);
    padding: 80px 0;
}

.page-contact-us-faq p {
    max-width: 900px;
    margin: 0 auto 40px auto;
}

.page-contact-us-faq .faq-list {
    max-width: 900px;
    margin: 40px auto 0 auto;
    text-align: left;
}

.page-contact-us-faq .faq-item {
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.page-contact-us-faq .faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    background: var(--text-color-light);
    cursor: pointer;
    transition: background-color 0.3s ease;
    border-bottom: 1px solid transparent; /* Để tránh đường viền kép khi active */
}

.page-contact-us-faq .faq-question:hover {
    background: #f5f5f5;
}

.page-contact-us-faq .faq-question h3 {
    margin: 0;
    font-size: 1.25em;
    color: var(--primary-color);
}

.page-contact-us-faq .faq-toggle {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.page-contact-us-faq .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out, padding 0.4s ease-out;
    padding: 0 25px;
    background: #fefefe;
    color: #444444;
}

.page-contact-us-faq .faq-item.active .faq-answer {
    max-height: 500px; /* Đủ cao để chứa nội dung */
    padding: 15px 25px;
    border-top: 1px solid var(--border-color);
}

.page-contact-us-faq .faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

/* CTA cuối cùng */
.page-contact-us-final-cta {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    padding: 80px 0;
}

.page-contact-us-final-cta h2 {
    color: var(--primary-color);
    font-size: 2.5em;
}

.page-contact-us-final-cta p {
    color: #444444;
    font-size: 1.2em;
    max-width: 800px;
    margin: 0 auto 30px auto;
}

.page-contact-us-final-cta .page-contact-us-cta-button {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    border-color: var(--primary-color);
}

.page-contact-us-final-cta .page-contact-us-cta-button:hover {
    background-color: #0d1a2f; /* Darker primary */
    color: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

/* Bản quyền */
.page-contact-us-copyright {
    background-color: var(--primary-color);
    color: #a0a0a0;
    text-align: center;
    padding: 20px 0;
    font-size: 0.9em;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .page-contact-us-hero-content h1 {
        font-size: 3em;
    }
    .page-contact-us-hero-content p {
        font-size: 1.1em;
    }
    .page-contact-us-section h1 {
        font-size: 2.5em;
    }
    .page-contact-us-section h2 {
        font-size: 2em;
    }
}

@media (max-width: 768px) {
    .page-contact-us-hero {
        padding: 60px 0;
    }
    .page-contact-us-hero-content h1 {
        font-size: 2.5em;
    }
    .page-contact-us-hero-content p {
        font-size: 1em;
    }
    .page-contact-us-section {
        padding: 40px 0;
    }
    .page-contact-us-section h1 {
        font-size: 2em;
    }
    .page-contact-us-section h2 {
        font-size: 1.8em;
    }
    .page-contact-us-section h3 {
        font-size: 1.3em;
    }
    .page-contact-us-section p {
        font-size: 0.95em;
    }
    .page-contact-us-cta-button {
        padding: 12px 25px;
        font-size: 1em;
    }
    .page-contact-us-feature-item,
    .page-contact-us-method-card,
    .page-contact-us-commitment-item {
        padding: 20px;
    }
    .page-contact-us-faq .faq-question {
        padding: 15px 20px;
    }
    .page-contact-us-faq .faq-question h3 {
        font-size: 1.1em;
    }
    .page-contact-us-faq .faq-toggle {
        font-size: 20px;
    }
    .page-contact-us-faq .faq-answer {
        padding: 0 20px;
    }
    .page-contact-us-faq .faq-item.active .faq-answer {
        padding: 15px 20px;
    }
}

@media (max-width: 480px) {
    .page-contact-us-hero-content h1 {
        font-size: 2em;
    }
    .page-contact-us-hero-content p {
        font-size: 0.9em;
    }
    .page-contact-us-section h1 {
        font-size: 1.8em;
    }
    .page-contact-us-section h2 {
        font-size: 1.6em;
    }
    .page-contact-us-section p {
        font-size: 0.9em;
    }
    .page-contact-us-feature-item img,
    .page-contact-us-method-card img,
    .page-contact-us-commitment-item img {
        width: 100px; /* Đảm bảo kích thước lớn hơn 200px nếu hình ảnh gốc nhỏ */
    }
}