/* style/contact-us.css */
/* body đã có padding-top: var(--header-offset); nên không cần thêm tại đây */
.page-contact-us {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #ffffff; /* Mặc định cho nền tối của body */
    background-color: transparent; /* Body background from shared.css */
}

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

.page-contact-us__dark-bg {
    background-color: #000000; /* Đảm bảo nền tối */
    color: #ffffff;
}

.page-contact-us__light-bg {
    background-color: #ffffff;
    color: #333333; /* Đảm bảo chữ tối trên nền sáng */
}

/* Hero Section */
.page-contact-us__hero-section {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 20px;
    padding-top: 10px; /* Nhỏ hơn so với header-offset */
    overflow: hidden;
}

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

.page-contact-us__hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 20px;
    background-color: rgba(0, 0, 0, 0.6); /* Overlay để chữ dễ đọc */
    border-radius: 8px;
}

.page-contact-us__main-title {
    font-size: clamp(28px, 4vw, 48px);
    font-weight: 700;
    color: #26A9E0;
    margin-bottom: 15px;
    line-height: 1.2;
}

.page-contact-us__hero-description {
    font-size: 18px;
    color: #ffffff;
    margin-bottom: 30px;
}

/* Section Titles & Descriptions */
.page-contact-us__section-title {
    font-size: clamp(24px, 3.5vw, 40px);
    font-weight: 700;
    margin-bottom: 20px;
    text-align: center;
    color: #26A9E0;
}

.page-contact-us__section-description {
    font-size: 16px;
    margin-bottom: 40px;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Contact Methods Grid */
.page-contact-us__contact-methods {
    padding: 80px 0;
}

.page-contact-us__methods-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.page-contact-us__method-card {
    background-color: #f8f8f8;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-contact-us__method-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.page-contact-us__method-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.page-contact-us__method-title {
    font-size: 22px;
    font-weight: 600;
    color: #26A9E0;
    margin-bottom: 15px;
}

.page-contact-us__method-text {
    font-size: 15px;
    color: #555555;
    margin-bottom: 25px;
}

/* Buttons */
.page-contact-us__btn-primary,
.page-contact-us__btn-secondary {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
    text-align: center;
}

.page-contact-us__btn-primary {
    background-color: #26A9E0;
    color: #ffffff;
    border: 2px solid #26A9E0;
}

.page-contact-us__btn-primary:hover {
    background-color: #1a8ac7;
    border-color: #1a8ac7;
}

.page-contact-us__btn-secondary {
    background-color: transparent;
    color: #26A9E0;
    border: 2px solid #26A9E0;
}

.page-contact-us__btn-secondary:hover {
    background-color: #26A9E0;
    color: #ffffff;
}

/* Contact Form */
.page-contact-us__contact-form-section {
    padding: 80px 0;
    background-color: #0d0d0d;
}

.page-contact-us__contact-form {
    max-width: 700px;
    margin: 0 auto;
    background-color: #1a1a1a;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.page-contact-us__form-group {
    margin-bottom: 20px;
}

.page-contact-us__form-label {
    display: block;
    font-size: 15px;
    color: #f0f0f0;
    margin-bottom: 8px;
    font-weight: 600;
}

.page-contact-us__form-input,
.page-contact-us__form-textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #333333;
    border-radius: 5px;
    background-color: #2a2a2a;
    color: #ffffff;
    font-size: 16px;
    box-sizing: border-box;
}

.page-contact-us__form-input::placeholder,
.page-contact-us__form-textarea::placeholder {
    color: #999999;
}

.page-contact-us__form-input:focus,
.page-contact-us__form-textarea:focus {
    outline: none;
    border-color: #26A9E0;
    box-shadow: 0 0 0 3px rgba(38, 169, 224, 0.3);
}

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

.page-contact-us__submit-btn {
    width: 100%;
    padding: 15px;
    font-size: 18px;
    cursor: pointer;
}

/* FAQ Section */
.page-contact-us__faq-section {
    padding: 80px 0;
}

.page-contact-us__faq-item {
    background-color: #f8f8f8;
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.page-contact-us__faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 20px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 18px;
    font-weight: 600;
    color: #26A9E0;
    background-color: #f0f0f0;
    border-bottom: 1px solid #e0e0e0;
}

.page-contact-us__faq-item summary::-webkit-details-marker {
    display: none;
}

.page-contact-us__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.page-contact-us__faq-qtext {
    flex-grow: 1;
    color: #333333;
}

.page-contact-us__faq-toggle {
    font-size: 24px;
    line-height: 1;
    margin-left: 15px;
    color: #26A9E0;
}

.page-contact-us__faq-answer {
    padding: 20px 25px;
    font-size: 16px;
    color: #555555;
    line-height: 1.7;
}

.page-contact-us__faq-answer p {
    margin-bottom: 10px;
}

.page-contact-us__faq-answer p:last-child {
    margin-bottom: 0;
}

.page-contact-us__faq-answer a {
    color: #26A9E0;
    text-decoration: none;
}

.page-contact-us__faq-answer a:hover {
    text-decoration: underline;
}

/* Call to Action Section */
.page-contact-us__cta-section {
    padding: 80px 0;
    text-align: center;
}

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

/* Responsive Design */
@media (max-width: 1024px) {
    .page-contact-us__methods-grid {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }
}

@media (max-width: 768px) {
    .page-contact-us__main-title {
        font-size: clamp(24px, 6vw, 38px);
    }

    .page-contact-us__hero-description {
        font-size: 16px;
    }

    .page-contact-us__section-title {
        font-size: clamp(22px, 5vw, 32px);
    }

    .page-contact-us__section-description {
        font-size: 14px;
        margin-bottom: 30px;
    }

    .page-contact-us__contact-methods {
        padding: 60px 0;
    }

    .page-contact-us__methods-grid {
        grid-template-columns: 1fr;
    }

    .page-contact-us__method-card {
        padding: 25px;
    }

    .page-contact-us__contact-form-section {
        padding: 60px 0;
    }

    .page-contact-us__contact-form {
        padding: 30px;
    }

    .page-contact-us__form-input,
    .page-contact-us__form-textarea {
        padding: 10px 12px;
        font-size: 15px;
    }

    .page-contact-us__faq-section {
        padding: 60px 0;
    }

    .page-contact-us__faq-item summary {
        font-size: 16px;
        padding: 15px 20px;
    }

    .page-contact-us__faq-answer {
        font-size: 14px;
        padding: 15px 20px;
    }

    .page-contact-us__cta-section {
        padding: 60px 0;
    }

    .page-contact-us__cta-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .page-contact-us__btn-primary,
    .page-contact-us__btn-secondary {
        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;
    }

    /* Mobile image and video responsive */
    .page-contact-us img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }

    .page-contact-us__hero-image {
        width: 100% !important;
        height: auto !important; /* Allow height to adjust */
        min-height: 250px; /* Ensure a minimum visible area */
    }

    .page-contact-us__section,
    .page-contact-us__card,
    .page-contact-us__container,
    .page-contact-us__contact-form,
    .page-contact-us__hero-content {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    .page-contact-us__hero-section {
        padding-left: 0;
        padding-right: 0;
    }
    .page-contact-us__hero-content {
        padding-left: 15px;
        padding-right: 15px;
    }

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