/* Biến màu sắc */
:root {
    --primary-color: #F2C14E;
    --secondary-color: #FFD36B;
    --card-bg-color: #111111;
    --main-bg-color: #0A0A0A;
    --text-main-color: #FFF6D6;
    --border-color: #3A2A12;
    --glow-color: #FFD36B;
    --button-gradient: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%);
}

/* Base styles for the contact page */
.page-contact {
    font-family: Arial, sans-serif;
    color: var(--text-main-color); /* Sử dụng màu chữ chính */
    background-color: var(--main-bg-color); /* Sử dụng màu nền chính */
    line-height: 1.6;
}

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

.page-contact__section-padding {
    padding: 60px 0;
}

.page-contact__section-title {
    font-size: clamp(28px, 4vw, 38px);
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 20px;
    font-weight: bold;
    line-height: 1.2;
}

.page-contact__section-description {
    font-size: 18px;
    color: var(--text-main-color);
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
}

.page-contact a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-contact a:hover {
    color: var(--primary-color);
}

/* Buttons */
.page-contact__btn-primary,
.page-contact__btn-secondary {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 8px;
    text-align: center;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-contact__btn-primary {
    background: var(--button-gradient);
    color: #ffffff;
    border: none;
}

.page-contact__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.6);
}

.page-contact__btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.page-contact__btn-secondary:hover {
    background: var(--primary-color);
    color: var(--main-bg-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.6);
}

.page-contact__btn-text {
    display: inline-block;
    color: var(--secondary-color);
    font-weight: bold;
    text-decoration: underline;
    margin-top: 15px;
}

.page-contact__btn-text:hover {
    color: var(--primary-color);
}

/* Hero Section */
.page-contact__hero-section {
    position: relative;
    width: 100%;
    padding-top: 10px; /* Small top padding, body has main offset */
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 500px;
}

.page-contact__hero-image-wrapper {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

.page-contact__hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.page-contact__hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 40px 20px;
    max-width: 900px;
    background: rgba(0, 0, 0, 0.6); /* Slightly darker overlay for text readability */
    border-radius: 15px;
    margin-top: 80px; /* Space from top */
    margin-bottom: 40px;
}

.page-contact__main-title {
    font-size: clamp(32px, 5vw, 52px);
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 900;
    line-height: 1.2;
}

.page-contact__hero-description {
    font-size: 19px;
    color: var(--text-main-color);
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Why Contact Section */
.page-contact__features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-contact__feature-card,
.page-contact__method-card,
.page-contact__issue-card {
    background-color: var(--card-bg-color);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-contact__feature-card:hover,
.page-contact__method-card:hover,
.page-contact__issue-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
}

.page-contact__feature-icon {
    width: 100%;
    max-width: 250px;
    height: auto;
    margin-bottom: 20px;
    border-radius: 10px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.page-contact__card-title {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: bold;
}

.page-contact__feature-card p,
.page-contact__method-card p,
.page-contact__issue-card p {
    font-size: 16px;
    color: var(--text-main-color);
}

/* Contact Methods Section */
.page-contact__methods-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-contact__email-link,
.page-contact__phone-link {
    font-weight: bold;
}

/* Common Issues Section */
.page-contact__issues-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

/* Message Form Section */
.page-contact__message-form-section {
    background-color: var(--card-bg-color);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.page-contact__contact-form {
    max-width: 700px;
    margin: 40px auto 0;
    padding: 30px;
    background: var(--main-bg-color);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
}

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

.page-contact__form-label {
    display: block;
    font-size: 16px;
    color: var(--text-main-color);
    margin-bottom: 8px;
    font-weight: bold;
}

.page-contact__form-input,
.page-contact__form-textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: #0A0A0A;
    color: var(--text-main-color);
    font-size: 16px;
    box-sizing: border-box;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.page-contact__form-input::placeholder,
.page-contact__form-textarea::placeholder {
    color: rgba(255, 246, 214, 0.6);
}

.page-contact__form-input:focus,
.page-contact__form-textarea:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(242, 193, 78, 0.3);
}

.page-contact__form-textarea {
    resize: vertical;
}

.page-contact__contact-form .page-contact__btn-primary {
    width: auto;
    padding-left: 40px;
    padding-right: 40px;
    margin-top: 20px;
}

/* FAQ Section */
.page-contact__faq-list {
    margin-top: 40px;
}

details.page-contact__faq-item {
    margin-bottom: 15px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    background: var(--card-bg-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

details.page-contact__faq-item summary.page-contact__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    cursor: pointer;
    user-select: none;
    list-style: none;
    transition: background-color 0.3s ease;
}

details.page-contact__faq-item summary.page-contact__faq-question::-webkit-details-marker {
    display: none;
}

details.page-contact__faq-item summary.page-contact__faq-question:hover {
    background: #1A1A1A;
}

.page-contact__faq-qtext {
    flex: 1;
    font-size: 18px;
    font-weight: 600;
    line-height: 1.5;
    text-align: left;
    color: var(--primary-color);
}

.page-contact__faq-toggle {
    font-size: 28px;
    font-weight: bold;
    color: var(--secondary-color);
    flex-shrink: 0;
    margin-left: 15px;
    width: 30px;
    text-align: center;
}

details.page-contact__faq-item .page-contact__faq-answer {
    padding: 0 25px 25px;
    background: #0A0A0A;
    border-radius: 0 0 10px 10px;
    font-size: 16px;
    color: var(--text-main-color);
}

/* Commitment Section */
.page-contact__commitment-section .page-contact__btn-primary {
    margin-top: 30px;
}

/* Copyright Section */
.page-contact__copyright-section {
    background-color: #0A0A0A;
    padding: 30px 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.page-contact__copyright-text {
    font-size: 14px;
    color: rgba(255, 246, 214, 0.7);
    margin: 0;
}

/* Responsive styles */
@media (max-width: 1024px) {
    .page-contact__main-title {
        font-size: clamp(30px, 4.5vw, 48px);
    }

    .page-contact__hero-description {
        font-size: 18px;
    }

    .page-contact__section-title {
        font-size: clamp(26px, 3.5vw, 34px);
    }

    .page-contact__section-description {
        font-size: 17px;
    }

    .page-contact__feature-card,
    .page-contact__method-card,
    .page-contact__issue-card {
        padding: 25px;
    }

    .page-contact__card-title {
        font-size: 22px;
    }

    .page-contact__feature-card p,
    .page-contact__method-card p,
    .page-contact__issue-card p {
        font-size: 15px;
    }

    details.page-contact__faq-item summary.page-contact__faq-question {
        padding: 15px 20px;
    }

    .page-contact__faq-qtext {
        font-size: 17px;
    }

    .page-contact__faq-toggle {
        font-size: 26px;
        width: 28px;
    }

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

@media (max-width: 768px) {
    .page-contact__hero-section {
        min-height: 400px;
        padding-top: 10px; /* Small top padding, body has main offset */
    }

    .page-contact__hero-image-wrapper {
        position: relative; /* Allow image to be in normal flow */
        height: auto; /* Auto height for content-fit */
        width: 100%;
        order: 1; /* Image first */
    }

    .page-contact__hero-image {
        object-fit: contain !important; /* Ensure image is fully visible, not cropped */
        aspect-ratio: unset !important; /* Remove fixed aspect ratio */
        height: auto !important; /* Allow height to adjust */
        width: 100% !important;
    }

    .page-contact__hero-content {
        order: 2; /* Content second */
        padding: 25px 15px;
        margin-top: 20px;
        margin-bottom: 20px;
        background: rgba(0, 0, 0, 0.7); /* Slightly darker overlay for text readability */
    }

    .page-contact__main-title {
        font-size: clamp(26px, 8vw, 40px);
        margin-bottom: 10px;
    }

    .page-contact__hero-description {
        font-size: 16px;
        margin-bottom: 20px;
    }

    .page-contact__btn-primary,
    .page-contact__btn-secondary {
        width: 100% !important;
        max-width: 100% !important;
        padding: 12px 15px;
        font-size: 15px;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }
    
    .page-contact__btn-container {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        flex-wrap: wrap !important;
        gap: 10px; /* Add gap for multiple buttons */
    }

    .page-contact__section-padding {
        padding: 40px 0;
    }

    .page-contact__container {
        padding: 0 15px;
    }

    .page-contact__section-title {
        font-size: clamp(24px, 7vw, 30px);
        margin-bottom: 15px;
    }

    .page-contact__section-description {
        font-size: 15px;
        margin-bottom: 30px;
    }

    .page-contact__features-grid,
    .page-contact__methods-grid,
    .page-contact__issues-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-contact__feature-card,
    .page-contact__method-card,
    .page-contact__issue-card {
        padding: 20px;
    }

    .page-contact__card-title {
        font-size: 20px;
    }

    .page-contact__feature-card p,
    .page-contact__method-card p,
    .page-contact__issue-card p {
        font-size: 14px;
    }

    .page-contact__contact-form {
        padding: 20px;
        margin-top: 30px;
    }

    .page-contact__form-label,
    .page-contact__form-input,
    .page-contact__form-textarea {
        font-size: 15px;
    }

    .page-contact__contact-form .page-contact__btn-primary {
        width: 100% !important;
        max-width: 100% !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    details.page-contact__faq-item summary.page-contact__faq-question {
        padding: 15px;
    }

    .page-contact__faq-qtext {
        font-size: 16px;
    }

    .page-contact__faq-toggle {
        font-size: 24px;
        width: 24px;
    }

    details.page-contact__faq-item .page-contact__faq-answer {
        padding: 0 15px 15px;
        font-size: 15px;
    }

    .page-contact img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block;
    }
    
    .page-contact__section,
    .page-contact__card,
    .page-contact__container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }
}

@media (max-width: 480px) {
    .page-contact__hero-content {
        padding: 20px 10px;
    }

    .page-contact__main-title {
        font-size: clamp(24px, 9vw, 36px);
    }

    .page-contact__hero-description {
        font-size: 14px;
    }

    .page-contact__section-title {
        font-size: clamp(22px, 8vw, 28px);
    }

    .page-contact__section-description {
        font-size: 14px;
    }

    .page-contact__feature-card,
    .page-contact__method-card,
    .page-contact__issue-card {
        padding: 15px;
    }

    .page-contact__card-title {
        font-size: 18px;
    }

    .page-contact__faq-qtext {
        font-size: 15px;
    }

    .page-contact__faq-toggle {
        font-size: 22px;
        width: 22px;
    }

    details.page-contact__faq-item .page-contact__faq-answer {
        font-size: 14px;
    }
    
    .page-contact__copyright-text {
        font-size: 12px;
    }
}