/* style/contact.css */

/* Biến CSS */
:root {
    --page-contact-primary-color: #FFD700; /* Vàng */
    --page-contact-secondary-color: #1A202C; /* Xám đậm */
    --page-contact-text-light: #F0F2F5; /* Gần trắng */
    --page-contact-text-dark: #333333; /* Xám đen */
    --page-contact-accent-color: #0028ff; /* Xanh lam (từ màu bổ sung) */
}

.page-contact {
    font-family: 'Arial', sans-serif;
    color: var(--page-contact-text-dark);
    background-color: var(--page-contact-text-light);
    line-height: 1.6;
}

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

.page-contact-hero {
    background: linear-gradient(135deg, var(--page-contact-primary-color), var(--page-contact-secondary-color));
    color: var(--page-contact-text-light);
    padding: 80px 0;
    text-align: center;
}

.page-contact-title {
    font-size: 3.2em;
    margin-bottom: 20px;
    color: var(--page-contact-text-light);
    font-weight: bold;
}

.page-contact-subtitle {
    font-size: 1.3em;
    margin-bottom: 40px;
    color: var(--page-contact-text-light);
}

.page-contact-button {
    display: inline-block;
    background-color: var(--page-contact-primary-color);
    color: var(--page-contact-secondary-color);
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: background-color 0.3s ease, color 0.3s ease;
    border: 2px solid var(--page-contact-primary-color);
}

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

.page-contact-section-title {
    font-size: 2.5em;
    color: var(--page-contact-secondary-color);
    text-align: center;
    margin-bottom: 60px;
    position: relative;
    padding-top: 40px;
}

.page-contact-section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -15px;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--page-contact-primary-color);
    border-radius: 2px;
}

.page-contact-methods {
    padding: 80px 0;
    background-color: var(--page-contact-text-light);
}

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

.page-contact-method-card {
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    padding: 30px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.page-contact-method-icon {
    width: 70px;
    height: 70px;
    margin-bottom: 20px;
    border-radius: 50%;
    object-fit: cover; /* Đảm bảo ảnh không bị méo */
}

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

.page-contact-card-description {
    color: #666666;
    font-size: 1em;
    margin-bottom: 20px;
}

.page-contact-card-button {
    display: inline-block;
    background-color: var(--page-contact-secondary-color);
    color: var(--page-contact-primary-color);
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    font-size: 0.95em;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.page-contact-card-button:hover {
    background-color: var(--page-contact-primary-color);
    color: var(--page-contact-secondary-color);
}

.page-contact-faq {
    padding: 80px 0;
    background-color: #F8F8F8;
}

.page-contact-faq-item {
    background-color: #ffffff;
    border-radius: 10px;
    margin-bottom: 20px;
    padding: 25px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.page-contact-faq-question {
    font-size: 1.3em;
    color: var(--page-contact-secondary-color);
    margin-bottom: 10px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page-contact-faq-question::after {
    content: '+';
    font-size: 1.5em;
    transition: transform 0.3s ease;
}

.page-contact-faq-question.active::after {
    transform: rotate(45deg);
}

.page-contact-faq-answer {
    color: #555555;
    font-size: 1em;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
    padding-left: 10px;
}

.page-contact-faq-answer p {
    margin-top: 10px;
}

.page-contact-faq-answer a {
    color: var(--page-contact-accent-color);
    text-decoration: underline;
}

.page-contact-cta {
    background: linear-gradient(90deg, var(--page-contact-secondary-color), #2c3e50);
    color: var(--page-contact-text-light);
    padding: 80px 0;
    text-align: center;
}

.page-contact-cta .page-contact-subtitle {
    color: var(--page-contact-text-light);
}

.page-contact-cta-buttons {
    margin-top: 40px;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

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

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

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

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

/* Responsive Design */
@media (max-width: 992px) {
    .page-contact-title {
        font-size: 2.5em;
    }
    .page-contact-subtitle {
        font-size: 1.1em;
    }
    .page-contact-section-title {
        font-size: 2em;
    }
    .page-contact-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .page-contact-hero, .page-contact-methods, .page-contact-faq, .page-contact-cta {
        padding: 60px 0;
    }
    .page-contact-title {
        font-size: 2em;
    }
    .page-contact-subtitle {
        font-size: 1em;
    }
    .page-contact-button {
        padding: 12px 25px;
        font-size: 1em;
    }
    .page-contact-section-title {
        font-size: 1.8em;
        margin-bottom: 40px;
    }
    .page-contact-grid {
        grid-template-columns: 1fr;
    }
    .page-contact-method-card {
        padding: 25px;
    }
    .page-contact-faq-item {
        padding: 20px;
    }
    .page-contact-faq-question {
        font-size: 1.2em;
    }
    .page-contact-cta-buttons {
        flex-direction: column;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .page-contact-title {
        font-size: 1.8em;
    }
    .page-contact-subtitle {
        font-size: 0.9em;
    }
    .page-contact-button {
        width: 100%;
        max-width: 280px;
    }
    .page-contact-section-title {
        font-size: 1.5em;
    }
    .page-contact-method-card {
        padding: 20px;
    }
    .page-contact-card-title {
        font-size: 1.4em;
    }
    .page-contact-faq-question {
        font-size: 1.1em;
    }
}