.page-contact-us {
    background-color: #140C0C;
    color: #FFF1E8;
    font-family: 'Be Vietnam Pro', system-ui, sans-serif;
    max-width: 1200px;
    margin: 0 auto;
}

.page-contact-us__hero-section {
    padding-top: 16px;
    text-align: center;
}

.page-contact-us__hero-image {
    width: 100%;
    max-width: 1600px;
    height: auto;
    aspect-ratio: 16/5;
    object-fit: cover;
    border-bottom: 3px solid #F3C54D;
}

.page-contact-us__hero-content {
    padding: 24px;
}

.page-contact-us__hero-title {
    color: #FFF1E8;
    font-size: clamp(1.4rem, 3vw, 2.2rem);
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 16px;
}

.page-contact-us__hero-description {
    color: #FFF1E8;
    max-width: 800px;
    margin: 0 auto 24px;
    font-size: 1.05rem;
    line-height: 1.6;
    opacity: 0.85;
}

.page-contact-us__hero-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

.page-contact-us__btn-register,
.page-contact-us__btn-login,
.page-contact-us__btn-download {
    display: inline-block;
    padding: 14px 30px;
    border-radius: 8px;
    font-weight: 700;
    color: #FFF1E8;
    text-decoration: none;
    transition: opacity 0.2s, transform 0.2s;
}

.page-contact-us__btn-register {
    background: linear-gradient(135deg, #FFB04A 0%, #D86A14 100%);
}

.page-contact-us__btn-login {
    background: linear-gradient(180deg, #C61F1F 0%, #7E0D0D 100%);
}

.page-contact-us__btn-download {
    background: linear-gradient(180deg, #E53030 0%, #C61F1F 100%);
}

.page-contact-us__btn-register:hover {
    background: linear-gradient(135deg, #ffe09d 0%, #e0832e 100%);
    color: #140C0C;
    transform: translateY(-2px);
}

.page-contact-us__btn-login:hover,
.page-contact-us__btn-download:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.page-contact-us__info-section {
    margin-top: 40px;
}

.page-contact-us__info-container,
.page-contact-us__form-container,
.page-contact-us__faq-container,
.page-contact-us__handbook-container {
    padding: 0 24px;
}

.page-contact-us__section-title {
    color: #F3C54D;
    font-size: clamp(1.4rem, 2.5vw, 2rem);
    font-weight: 800;
    text-align: center;
    margin-bottom: 20px;
    margin-top: 40px;
}

.page-contact-us__section-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 32px;
    color: rgba(255, 241, 232, 0.85);
}

.page-contact-us__info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.page-contact-us__info-card {
    background-color: #2A1212;
    border: 1px solid #6A1E1E;
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    transition: transform 0.2s, border-color 0.2s;
}

.page-contact-us__info-card:hover,
.page-contact-us__handbook-item:hover {
    transform: translateY(-6px);
    border-color: #F3C54D;
}

.page-contact-us__info-image {
    width: 100%;
    max-width: 300px;
    height: auto;
    aspect-ratio: 2/1;
    object-fit: contain;
    margin-bottom: 16px;
    border-radius: 8px;
}

.page-contact-us__info-title {
    color: #F3C54D;
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.page-contact-us__info-text {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 20px;
    color: rgba(255, 241, 232, 0.85);
}

.page-contact-us__cta-button,
.page-contact-us__submit-button {
    background: linear-gradient(135deg, #FFB04A 0%, #D86A14 100%);
    color: #140C0C;
    font-weight: 700;
    border: none;
    border-radius: 30px;
    padding: 10px 24px;
    text-decoration: none;
    display: inline-block;
    transition: opacity 0.2s, transform 0.2s;
}

.page-contact-us__cta-button:hover {
    opacity: 0.9;
    transform: scale(1.05);
}

.page-contact-us__form-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    background-color: #2A1212;
    border: 1px solid #6A1E1E;
    border-radius: 20px;
    padding: 32px;
    align-items: center;
}

.page-contact-us__form-image {
    width: 100%;
    height: auto;
    aspect-ratio: 4/3;
    object-fit: cover;
    border-radius: 12px;
}

.page-contact-us__form-right {
    display: flex;
    justify-content: center;
}

.page-contact-us__contact-form {
    width: 100%;
    max-width: 450px;
}

.page-contact-us__form-group {
    margin-bottom: 16px;
}

.page-contact-us__form-group:hover {
    border-color: #F3C54D;
}

.page-contact-us__form-label {
    display: block;
    margin-bottom: 6px;
    color: #FFF1E8;
    font-weight: 600;
}

.page-contact-us__form-input,
.page-contact-us__form-select,
.page-contact-us__form-textarea {
    width: 100%;
    background-color: #140C0C;
    border: 1px solid #6A1E1E;
    border-radius: 8px;
    padding: 12px 16px;
    color: #FFF1E8;
    font-size: 1rem;
    box-sizing: border-box;
    resize: vertical;
}

.page-contact-us__form-input:focus,
.page-contact-us__form-select:focus,
.page-contact-us__form-textarea:focus {
    outline: none;
    border-color: #F3C54D;
    box-shadow: 0 0 0 2px rgba(243, 197, 77, 0.2);
}

.page-contact-us__form-textarea {
    min-height: 100px;
}

.page-contact-us__submit-button {
    width: 100%;
    padding: 14px;
    font-size: 1rem;
    cursor: pointer;
}

.page-contact-us__submit-button:hover {
    background: linear-gradient(135deg, #FFB04A 0%, #FFB04A 100%);
    color: #140C0C;
    transform: translateY(-2px);
}

.page-contact-us__handbook-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 20px;
}

.page-contact-us__handbook-item {
    background-color: #2A1212;
    border: 1px solid #6A1E1E;
    border-radius: 16px;
    overflow: hidden;
    padding-bottom: 20px;
    transition: transform 0.2s, border-color 0.2s;
}

.page-contact-us__handbook-image {
    width: 100%;
    height: auto;
    aspect-ratio: 16/10;
    object-fit: cover;
}

.page-contact-us__handbook-content {
    padding: 16px;
}

.page-contact-us__handbook-title {
    color: #F3C54D;
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 8px;
    margin-top: 0;
}

.page-contact-us__handbook-text {
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 16px;
    color: rgba(255, 241, 232, 0.85);
}

.page-contact-us__handbook-link {
    color: #F3C54D;
    text-decoration: none;
    font-weight: bold;
    transition: opacity 0.2s;
    word-break: break-word;
}

.page-contact-us__handbook-link:hover {
    text-decoration: underline;
}

.page-contact-us__faq-list {
    max-width: 800px;
    margin: 20px auto 0;
}

.page-contact-us__faq-item {
    background-color: #2A1212;
    border: 1px solid #6A1E1E;
    border-radius: 8px;
    margin-bottom: 12px;
    overflow: hidden;
    transition: border-color 0.2s;
}

.page-contact-us__faq-item[open] {
    border-color: #F3C54D;
}

.page-contact-us__faq-question {
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    color: #FFF1E8;
    font-weight: 700;
    padding: 16px;
    gap: 16px;
}

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

.page-contact-us__faq-icon {
    font-size: 1.5rem;
    color: #F3C54D;
    flex-shrink: 0;
    line-height: 1;
}

.page-contact-us__faq-answer {
    padding: 0 16px 16px;
    line-height: 1.6;
    background-color: #2A1212;
}

@media (max-width: 1024px) {
    .page-contact-us__handbook-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

@media (max-width: 768px) {
    .page-contact-us__info-grid {
        grid-template-columns: 1fr;
    }

    .page-contact-us__form-wrapper {
        grid-template-columns: 1fr;
        padding: 20px;
        gap: 20px;
    }

    .page-contact-us__section-intro {
        text-align: left;
        padding: 0 10px;
    }

    .page-contact-us__hero-image {
        aspect-ratio: 16/9;
    }

    .page-contact-us__hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .page-contact-us__btn-register,
    .page-contact-us__btn-login,
    .page-contact-us__btn-download {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        text-align: center;
        overflow: hidden;
        white-space: normal;
        word-wrap: break-word;
        padding: 12px 16px;
    }

    .page-contact-us__cta-button,
    .page-contact-us__submit-button {
        max-width: 100%;
        box-sizing: border-box;
        white-space: normal;
        word-wrap: break-word;
        text-align: center;
    }

    .page-contact-us img {
        max-width: 100% !important;
        height: auto !important;
    }

    .page-contact-us * {
        max-width: 100%;
    }
}