/*index 페이지 스타일*/
/* 히어로 섹션 */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/index/main_hero.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 800px;
    padding: 0 20px;
}

.hero-content h1 {
    font-size: 44px;
    line-height: 1.3;
    margin-bottom: 30px;
    font-weight: 300;
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.hero-content h1 strong {
    font-size: 52px;
    font-weight: 700;
    display: block;
    margin-top: 10px;
}

.hero-content p {
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 40px;
    opacity: 0.95;
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.cta-button {
    display: inline-block;
    background-color: #4A90E2;
    color: white;
    padding: 16px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(74, 144, 226, 0.3);
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.cta-button:hover {
    background-color: #357ABD;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(74, 144, 226, 0.4);
}

/* 플로팅 라벨들 */
.floating-labels {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.hero-image {
    display: none;
}

.mobile-background {
    display: none;
}

.mobile-hero {
    display: none;
}

/* 주요 상품 섹션 */
.products-section {
    padding: 100px 0;
    background-color: #fff;
}

.products-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 80px;
}

.products-title {
    flex: 1;
}

.products-subtitle {
    color: #4A90E2;
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 15px;
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.products-title h2 {
    font-size: 36px;
    font-weight: 700;
    color: #333;
    line-height: 1.3;
    margin: 0;
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.view-all-button {
    margin-top: 30px;
}

.view-all-button a {
    display: inline-block;
    background-color: #333;
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.3s ease;
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.view-all-button a:hover {
    background-color: #555;
    transform: translateY(-2px);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    align-items: start;
}

.product-card {
    background-color: #1a1a1a;
    border-radius: 16px;
    padding: 30px;
    position: relative;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* 지그재그 레이아웃 */
.product-card.card-1,
.product-card.card-3 {
    margin-top: 0;
}

.product-card.card-2,
.product-card.card-4 {
    margin-top: 60px;
}

.card-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: #8B5CF6;
    color: white;
    padding: 6px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.card-content {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-card h3 {
    color: white;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
    line-height: 1.3;
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.product-tags {
    margin-bottom: 20px;
}

.product-tags span {
    display: inline-block;
    color: rgba(255, 255, 255, 0.7);
    font-size: 12px;
    margin-right: 8px;
    margin-bottom: 6px;
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.product-description {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 20px;
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.card-image {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 40px 0;
}

.card-image img {
    max-width: 100%;
    max-height: 120px;
    object-fit: contain;
}

.product-link {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    position: absolute;
    bottom: 30px;
    left: 30px;
    transition: color 0.3s ease;
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.product-link:hover {
    color: white;
}

/* 특징 섹션 */
.features-section {
    padding: 30px 0;
    background-image: url('../images/index/features_background.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

.features-content {
    text-align: left;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.features-text {
    max-width: 700px;
    padding-left: 30px;
}

.features-subtitle {
    color: #4A90E2;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.features-text h2 {
    font-size: 20px;
    font-weight: 700;
    color: #333;
    line-height: 1.5;
    margin-bottom: 40px;
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.inquiry-button {
    display: inline-block;
    background-color: #333;
    color: white;
    padding: 16px 32px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    transition: all 0.3s ease;
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.inquiry-button:hover {
    background-color: #555;
    transform: translateY(-2px);
}

/* 특별함 섹션 */
.special-section {
    padding: 100px 0;
    background-color: #fff;
}

.special-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 80px;
}

.special-title {
    flex: 1;
    text-align: left;
}

.special-subtitle {
    color: #4A90E2;
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 15px;
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.special-title h2 {
    font-size: 36px;
    font-weight: 700;
    color: #333;
    line-height: 1.3;
    margin: 0;
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.detail-button {
    margin-top: 30px;
}

.detail-button a {
    display: inline-block;
    background-color: white;
    color: #333;
    padding: 12px 24px;
    border: 1px solid #333;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.3s ease;
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.detail-button a:hover {
    background-color: #333;
    color: white;
}

.special-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-item {
    background-color: #1a1a1a;
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    justify-content: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    margin-bottom: 30px;
    display: flex;
    justify-self: center;
    justify-content: center;
    align-items: center;
}

.feature-icon img {
    width: 80px;
    height: 80px;
    object-fit: contain;
}

.feature-item h4 {
    color: white;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.4;
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.feature-item p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    line-height: 1.6;
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.detail-link {
    display: none;
}

/* 주요 기능 섹션 */
.main-functions-section {
    padding: 100px 0;
    background-color: #fff;
}

.functions-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 80px;
}

.functions-title {
    flex: 1;
    text-align: left;
}

.functions-subtitle {
    color: #4A90E2;
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 15px;
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.functions-title h2 {
    font-size: 36px;
    font-weight: 700;
    color: #333;
    line-height: 1.3;
    margin: 0;
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.functions-detail-button {
    margin-top: 30px;
}

.functions-detail-button a {
    display: inline-block;
    background-color: white;
    color: #333;
    padding: 12px 24px;
    border: 1px solid #333;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.3s ease;
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.functions-detail-button a:hover {
    background-color: #333;
    color: white;
}

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

.diverse-function-card {
    background: #fff;
    border: 1px solid #4A90E2;
    border-radius: 8px;
    padding: 20px 25px;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: all 0.3s ease;
    cursor: pointer;
    min-height: 70px;
}

.diverse-function-card:hover {
    background: #ffffff;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transform: translateY(-1px);
}

.diverse-function-card .function-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.diverse-function-card .function-icon i {
    font-size: 20px;
    color: #333;
}

.diverse-function-card span {
    font-size: 15px;
    font-weight: 500;
    color: #333;
    line-height: 1.4;
    flex: 1;
}

/* 만나는 방법 섹션 */
.meeting-section {
    padding: 100px 0;
    background-image: url('../images/index/meeting_background.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    color: white;
}

.meeting-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

.meeting-section .container {
    position: relative;
    z-index: 2;
}

.meeting-header {
    text-align: left;
    margin-bottom: 80px;
}

.meeting-subtitle {
    color: white;
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 15px;
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.meeting-header h2 {
    font-size: 36px;
    font-weight: 700;
    color: white;
    line-height: 1.3;
    margin: 0;
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.meeting-plans {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 60px;
    flex-wrap: wrap;
}

.plan-item {
    flex: 1;
    max-width: 100%;
    text-align: center;
}

.plan-item img {
    width: 100%;
    height: auto;
    max-width: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.plan-item:hover img {
    transform: scale(1.05);
}

/* 활용 분야 섹션 */
.usage-section {
    padding: 100px 0;
    background-color: #fff;
}

.usage-header {
    text-align: center;
    margin-bottom: 80px;
}

.usage-subtitle {
    color: #4A90E2;
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 15px;
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.usage-header h2 {
    font-size: 36px;
    font-weight: 700;
    color: #333;
    line-height: 1.3;
    margin: 0;
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.usage-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.usage-card {
    background-color: white;
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.usage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.usage-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.usage-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.usage-card:hover .usage-image img {
    transform: scale(1.05);
}

.usage-content {
    padding: 25px;
    text-align: left;
}

.usage-content h4 {
    font-size: 18px;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
    line-height: 1.3;
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.usage-content p {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 기존 스타일 제거 */
.usage-cases {
    display: none;
}

.case-item {
    display: none;
}

.case-category {
    display: none;
}

/* Q&A 및 연락처 섹션 */
.qna-contact-section {
    padding: 100px 0;
    background-color: #fff;
}

.qna-contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: flex-start;
}

/* FAQ 영역 */
.faq-area {
    width: 100%;
}

.faq-title {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    margin-bottom: 20px;
    text-align: left;
}

.faq-list {
    margin-bottom: 20px;
}

.faq-item {
    border-bottom: 1px solid #000;
    margin-bottom: 0;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background-color: #f8f9fa;
    padding-left: 10px;
}

.faq-question span {
    font-size: 14px;
    font-weight: 600;
    color: #333;
    line-height: 1.4;
}

.faq-arrow {
    font-size: 10px;
    color: #666;
    transition: transform 0.3s ease;
    font-style: normal;
}

.faq-item.active .faq-arrow {
    transform: rotate(180deg);
}

.faq-answer {
    display: none;
    padding:10px 0 10px 5px;
    border-top: 1px solid #000;
    margin-top: 10px;
}

.faq-item.active .faq-answer {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.faq-answer p {
    font-size: 14px;
    margin-bottom: 12px;
    line-height: 1.5;
    color: #000;
}

.faq-answer p:first-child {
    color: #333;
    margin-bottom: 10px;
}

.faq-answer p:last-child {
    margin-bottom: 0;
}

/* 페이지네이션 */
.faq-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 5px;
    margin-bottom: 40px;
}

.page-btn.prev,
.page-btn.next {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 35px;
    height: 35px;
    border: none;
    background-color: transparent;
    color: #999;
    text-decoration: none;
    font-size: 16px;
    font-weight: 400;
    transition: all 0.3s ease;
}

.page-btn:not(.prev):not(.next) {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 35px;
    height: 35px;
    border: none;
    background-color: transparent;
    color: #999;
    text-decoration: none;
    font-size: 14px;
    font-weight: 400;
    transition: all 0.3s ease;
}

.page-btn.active {
    background-color: #2563eb;
    color: #fff;
    border: 2px solid #2563eb;
    font-weight: 700;
    border-radius: 6px;
}

.page-btn.prev:hover,
.page-btn.next:hover,
.page-btn:hover {
    color: #2563eb;
    background-color: #f8fafc;
}

/* 연락처 카드 */
.contact-card {
    position: relative;
    background-color: #000;
    border-radius: 12px;
    padding: 40px;
    height: fit-content;
    overflow: hidden;
    min-height: 300px;
}

.contact-content {
    position: relative;
    z-index: 2;
}

.contact-text {
    color: #fff;
    font-size: 18px;
    line-height: 1.5;
    margin-bottom: 5px;
}

.contact-text:last-of-type {
    margin-bottom: 25px;
}

.contact-phone {
    color: #fff;
    font-size: 28px;
    font-weight: 700;
    margin: 0;
    letter-spacing: 1px;
}

.contact-image {
    right: 0px;
    bottom: 0px;
    z-index: 1;
}

.contact-image img {
    width:100%;
    height: auto;
}

/* 푸터 */
.footer {
    background-color: #333;
    color: #ccc;
    padding: 40px 0;
    text-align: center;
}

.footer-content p {
    margin-bottom: 10px;
    font-size: 14px;
    line-height: 1.6;
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .header-content {
        flex-direction: column;
        gap: 15px;
    }
    
    .main-nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .header-actions {
        flex-direction: column;
        gap: 10px;
    }
    
    .search-box input {
        width: 200px;
    }
    
    .mobile-hero {
        display: none;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .special-features {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .functions-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .usage-cases {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .contact-info {
        display: none;
    }
    
    .mobile-contact {
        display: block;
    }
    
    .mobile-contact p {
        font-size: 14px;
        color: #666;
        margin-bottom: 8px;
    }
    
    .mobile-contact h3 {
        font-size: 24px;
        font-weight: 700;
        color: #333;
        margin-top: 15px;
    }
}

@media (max-width: 480px) {
    .functions-grid {
        grid-template-columns: 1fr;
    }
    
    .pagination {
        flex-wrap: wrap;
        gap: 5px;
    }
    
    .hero-text h1 {
        font-size: 36px;
    }
    
    .mobile-hero h1 {
        font-size: 24px;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .features-text p {
        font-size: 20px;
    }
}

/* 기존 스타일 제거 */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 36px;
    margin-bottom: 20px;
    color: #333;
}

.section-header p {
    font-size: 18px;
    color: #666;
    line-height: 1.6;
}

.view-all-products {
    display: none;
}

/* 스크롤 애니메이션 */
.scroll-animate {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.scroll-animate.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* 다양한 애니메이션 효과 */
.fade-up {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.fade-up.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.fade-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.fade-left.animate-in {
    opacity: 1;
    transform: translateX(0);
}

.fade-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.fade-right.animate-in {
    opacity: 1;
    transform: translateX(0);
}

.fade-in {
    opacity: 0;
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.fade-in.animate-in {
    opacity: 1;
}

.scale-up {
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.scale-up.animate-in {
    opacity: 1;
    transform: scale(1);
}

/* 지연 애니메이션 */
.delay-100 {
    transition-delay: 0.1s;
}

.delay-200 {
    transition-delay: 0.2s;
}

.delay-300 {
    transition-delay: 0.3s;
}

.delay-400 {
    transition-delay: 0.4s;
}

.delay-500 {
    transition-delay: 0.5s;
}


/* 반응형 디자인 */

/* 큰 태블릿 */
@media (max-width: 1024px) {
    .container {
        padding: 0 15px;
    }
    
    /* 헤더 반응형 */
    .header-top {
        padding: 12px 0;
        min-height: 60px;
    }
    
    .logo img {
        height: 36px;
    }
    
    .nav-menu a {
        padding: 15px 25px;
        font-size: 14px;
    }
    
    .auth-link {
        font-size: 13px;
        padding: 6px 10px;
    }
    
    .search-btn {
        padding: 6px;
    }
    
    .search-btn svg {
        width: 18px;
        height: 18px;
    }
    
    .hero-content h1 {
        font-size: 38px;
    }
    
    .hero-content {
        padding: 0 15px;
    }
    
    .floating-label {
        font-size: 13px;
        padding: 6px 12px;
    }
    
    .products-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 25px;
    }
    
    .product-card.card-2,
    .product-card.card-4 {
        margin-top: 40px;
    }
    
    .products-title h2 {
        font-size: 32px;
    }
    
    .features-text {
        padding-left: 25px;
    }
    
    .features-text h2 {
        font-size: 18px;
    }
    
    .special-features {
        grid-template-columns: repeat(3, 1fr);
        gap: 25px;
    }
    
    .special-title h2 {
        font-size: 32px;
    }
    
    .feature-item {
        padding: 35px 25px;
    }
    
    .functions-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 18px;
    }
    
    .functions-title h2 {
        font-size: 32px;
    }
    
    .meeting-section {
        padding: 80px 0;
    }
    
    .meeting-header h2 {
        font-size: 32px;
    }
    
    .meeting-plans {
        flex-direction: row;
        gap: 50px;
    }
    
    /* 활용 분야 섹션 - 1024px에서 4열 유지 */
    .usage-section {
        padding: 80px 0;
    }
    
    .usage-header {
        margin-bottom: 60px;
    }
    
    .usage-header h2 {
        font-size: 32px;
    }
    
    .usage-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 25px;
    }
    
    .usage-image {
        height: 180px;
    }
    
    .usage-content {
        padding: 22px;
    }
    
    .usage-content h4 {
        font-size: 17px;
    }
    
    .usage-content p {
        font-size: 13px;
    }

    /* Q&A 및 연락처 섹션 - 1024px */
    .qna-contact-section {
        padding: 80px 0;
    }
    
    .qna-contact-grid {
        grid-template-columns: 2fr 1fr;
        gap: 50px;
    }
    
    .faq-title {
        font-size: 32px;
        margin-bottom: 35px;
    }
    
    .faq-question span {
        font-size: 17px;
    }
    
    .contact-card {
        padding: 45px 35px;
        min-height: 280px;
    }
    
    .contact-text {
        font-size: 17px;
    }
    
    .contact-phone {
        font-size: 26px;
    }
    
    .contact-image img {
        width: 160px;
    }

}

/* 작은 태블릿 */
@media (max-width: 768px) {
    /* 헤더 반응형 - 768px */
    .header-top {
        padding: 10px 0;
        min-height: 55px;
    }
    
    .logo img {
        height: 32px;
    }
    
    .header-bottom {
        display: none; /* 메뉴 숨김 */
    }
    
    .auth-links {
        gap: 10px;
    }
    
    .auth-link {
        font-size: 12px;
        padding: 5px 8px;
    }
    
    .search-btn {
        padding: 5px;
    }
    
    .search-btn svg {
        width: 16px;
        height: 16px;
    }
    
    .hamburger-icon {
        font-size: 18px;
    }
    
    .header-content {
        padding: 10px 0;
    }
    
    .auth-buttons {
        flex-direction: row;
        gap: 10px;
    }
    
    .hero-section {
        min-height: 70vh;
    }
    
    .hero-content h1 {
        font-size: 32px;
        line-height: 1.2;
    }
    
    .hero-content p {
        font-size: 16px;
        line-height: 1.6;
        margin-bottom: 30px;
    }
    
    .floating-labels {
        display: none;
    }
    
    .products-section {
        padding: 80px 0;
    }
    
    .products-header {
        flex-direction: column;
        align-items: flex-start;
        margin-bottom: 60px;
    }
    
    .view-all-button {
        margin-top: 20px;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .product-card.card-2,
    .product-card.card-4 {
        margin-top: 20px;
    }
    
    .product-card {
        min-height: 350px;
        padding: 25px;
    }
    
    .products-title h2 {
        font-size: 28px;
    }
    
    .features-section {
        padding: 80px 0;
    }
    
    .features-text {
        padding-left: 20px;
        max-width: 100%;
    }
    
    .features-text h2 {
        font-size: 24px;
    }
    
    .special-section {
        padding: 80px 0;
    }
    
    .special-header {
        flex-direction: column;
        align-items: center;
        margin-bottom: 60px;
    }
    
    .detail-button {
        margin-top: 20px;
    }
    
    .special-features {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .special-title h2 {
        font-size: 28px;
    }
    
    .feature-item {
        padding: 30px 25px;
    }
    
    .feature-item h4 {
        font-size: 18px;
    }
    
    .main-functions-section {
        padding: 80px 0;
    }
    
    .functions-header {
        flex-direction: column;
        align-items: center;
        margin-bottom: 60px;
    }
    
    .functions-detail-button {
        margin-top: 20px;
    }
    
    .functions-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .functions-title h2 {
        font-size: 28px;
    }
    
    .diverse-function-card {
        padding: 16px 18px;
        gap: 12px;
        min-height: 55px;
    }
    
    .diverse-function-card .function-icon {
        width: 20px;
        height: 20px;
    }
    
    .diverse-function-card .function-icon i {
        font-size: 16px;
    }
    
    .diverse-function-card span {
        font-size: 13px;
    }
    
    .meeting-section {
        padding: 80px 0;
    }
    
    .meeting-header {
        margin-bottom: 60px;
    }
    
    .meeting-header h2 {
        font-size: 36px;
    }
    
    .meeting-plans {
        flex-direction: column;
        gap: 40px;
    }
    
    .plan-item {
        max-width: 100%;
    }
    
    /* 활용 분야 섹션 - 768px에서 2열 */
    .usage-section {
        padding: 80px 0;
    }
    
    .usage-header {
        margin-bottom: 60px;
    }
    
    .usage-header h2 {
        font-size: 28px;
    }
    
    .usage-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .usage-image {
        height: 180px;
    }
    
    .usage-content {
        padding: 20px;
    }
    
    .usage-content h4 {
        font-size: 16px;
    }
    
    .usage-content p {
        font-size: 14px;
    }
    
    .section-header h2 {
        font-size: 32px;
    }
    
    .qna-item {
        padding: 25px 0;
    }
    
    .qna-item h4 {
        font-size: 16px;
    }
    
    /* Q&A 및 연락처 섹션 - 768px */
    .qna-contact-section {
        padding: 80px 0;
    }
    
    .qna-contact-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .faq-title {
        font-size: 28px;
        margin-bottom: 30px;
    }
    
    .faq-question span {
        font-size: 16px;
    }
    
    .faq-question {
        padding: 20px 0;
    }
    
    .faq-answer {
        padding: 0 0 20px 0;
    }
    
    .contact-card {
        max-width: 500px;
        margin: 0 auto;
        padding: 45px 35px;
        min-height: 280px;
    }
    
    .contact-text {
        font-size: 17px;
    }
    
    .contact-phone {
        font-size: 26px;
    }
    
    .contact-image img {
        width: 150px;
    }
}

/* 모바일 가로 */
@media (max-width: 640px) {
    /* 헤더 반응형 - 640px */
    .header-top {
        padding: 8px 0;
        min-height: 50px;
    }
    
    .logo img {
        height: 28px;
    }
    
    .auth-links {
        gap: 8px;
    }
    
    .auth-link {
        font-size: 11px;
        padding: 4px 6px;
    }
    
    .search-btn {
        padding: 4px;
    }
    
    .search-btn svg {
        width: 14px;
        height: 14px;
    }
    
    .hamburger-icon {
        font-size: 16px;
    }
    
    .header-actions {
        width: 100%;
    }
    
    .search-box {
        width: 100%;
    }
    
    .search-box input {
        width: 100%;
    }
    
    .auth-buttons {
        width: 100%;
        justify-content: center;
    }
    
    .hero-section {
        min-height: 60vh;
    }
    
    .hero-content h1 {
        font-size: 28px;
        line-height: 1.2;
    }
    
    .hero-content p {
        font-size: 15px;
        line-height: 1.5;
        margin-bottom: 25px;
    }
    
    .cta-button {
        padding: 14px 28px;
        font-size: 15px;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .product-card.card-2,
    .product-card.card-4 {
        margin-top: 0;
    }
    
    .product-card {
        min-height: 320px;
        padding: 25px;
    }
    
    .products-title h2 {
        font-size: 24px;
    }
    
    .special-features {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .special-title h2 {
        font-size: 24px;
    }
    
    .functions-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .functions-title h2 {
        font-size: 24px;
    }
    
    .meeting-header h2 {
        font-size: 24px;
    }
    
    .meeting-plans {
        gap: 30px;
    }
    
    /* 활용 분야 섹션 - 640px에서 1열 */
    .usage-section {
        padding: 60px 0;
    }
    
    .usage-header {
        margin-bottom: 40px;
    }
    
    .usage-header h2 {
        font-size: 24px;
    }
    
    .usage-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .usage-image {
        height: 200px;
    }
    
    .usage-content {
        padding: 20px;
    }
    
    .usage-content h4 {
        font-size: 16px;
    }
    
    .usage-content p {
        font-size: 14px;
    }
    
    /* Q&A 및 연락처 섹션 - 640px */
    .qna-contact-section {
        padding: 60px 0;
    }
    
    .qna-contact-grid {
        gap: 40px;
    }
    
    .faq-title {
        font-size: 24px;
        margin-bottom: 25px;
    }
    
    .faq-question span {
        font-size: 15px;
    }
    
    .faq-question {
        padding: 18px 0;
    }
    
    .contact-card {
        padding: 40px 30px;
        min-height: 260px;
    }
    
    .contact-text {
        font-size: 16px;
    }
    
    .contact-phone {
        font-size: 24px;
    }
    
    .contact-image img {
        width: 130px;
    }
}

/* 모바일 세로 */
@media (max-width: 480px) {
    /* 헤더 반응형 - 480px */
    .header-top {
        padding: 8px 0;
        min-height: 45px;
    }
    
    .logo img {
        height: 26px;
    }
    
    .auth-links {
        gap: 6px;
    }
    
    .auth-link {
        font-size: 10px;
        padding: 3px 5px;
    }
    
    .search-btn {
        padding: 3px;
    }
    
    .search-btn svg {
        width: 12px;
        height: 12px;
    }
    
    .hamburger-icon {
        font-size: 14px;
    }
    
    .container {
        padding: 0 10px;
    }
    
    .hero-section {
        min-height: 50vh;
        padding: 40px 0;
    }
    
    .hero-content {
        padding: 0 10px;
    }
    
    .hero-content h1 {
        font-size: 24px;
        line-height: 1.3;
    }
    
    .hero-content p {
        font-size: 14px;
        line-height: 1.5;
        margin-bottom: 20px;
    }
    
    .cta-button {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .products-section {
        padding: 60px 0;
    }
    
    .products-header {
        margin-bottom: 40px;
    }
    
    .products-title h2 {
        font-size: 20px;
        line-height: 1.4;
    }
    
    .products-subtitle {
        font-size: 14px;
    }
    
    .view-all-button a {
        padding: 10px 20px;
        font-size: 13px;
    }
    
    .product-card {
        min-height: 300px;
        padding: 20px;
    }
    
    .product-card h3 {
        font-size: 16px;
    }
    
    .card-image img {
        max-height: 80px;
    }
    
    .features-section {
        padding: 60px 0;
    }
    
    .features-text {
        padding-left: 15px;
    }
    
    .features-text h2 {
        font-size: 16px;
        line-height: 1.5;
    }
    
    .features-subtitle {
        font-size: 14px;
    }
    
    .inquiry-button {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .usage-grid {
        grid-template-columns: 1fr;
    }

    .usage-section,
    .special-section,
    .main-functions-section {
        padding: 60px 0;
    }
    
    .special-header {
        margin-bottom: 40px;
    }
    
    .special-title h2 {
        font-size: 20px;
        line-height: 1.4;
    }
    
    .special-subtitle {
        font-size: 14px;
    }
    
    .detail-button a {
        padding: 10px 20px;
        font-size: 13px;
    }
    
    .feature-item {
        padding: 25px 20px;
    }
    
    .feature-icon img {
        width: 60px;
        height: 60px;
    }
    
    .feature-item h4 {
        font-size: 16px;
        margin-bottom: 15px;
    }
    
    .feature-item p {
        font-size: 13px;
    }
    
    .functions-header {
        margin-bottom: 40px;
    }
    
    .functions-title h2 {
        font-size: 20px;
        line-height: 1.4;
    }
    
    .functions-subtitle {
        font-size: 14px;
    }
    
    .functions-detail-button a {
        padding: 10px 20px;
        font-size: 13px;
    }
    
    .diverse-function-card {
        padding: 16px 18px;
        gap: 12px;
        min-height: 55px;
    }
    
    .diverse-function-card .function-icon {
        width: 20px;
        height: 20px;
    }
    
    .diverse-function-card .function-icon i {
        font-size: 16px;
    }
    
    .diverse-function-card span {
        font-size: 13px;
    }
    
    .meeting-header {
        margin-bottom: 40px;
    }
    
    .meeting-header h2 {
        font-size: 20px;
        line-height: 1.4;
    }
    
    .meeting-subtitle {
        font-size: 14px;
    }
    
    .meeting-plans {
        gap: 25px;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
    
    .section-header h2 {
        font-size: 20px;
        line-height: 1.4;
    }
    
    .section-header p {
        font-size: 14px;
    }
    
    .qna-item {
        padding: 20px 0;
    }
    
    .qna-item h4 {
        font-size: 15px;
    }
    
    .qna-answer {
        font-size: 14px;
    }
    
    .pagination a {
        padding: 6px 10px;
        font-size: 14px;
    }
    
    .write-button a {
        padding: 10px 24px;
        font-size: 14px;
    }
    
    .contact-section {
        padding: 40px 0;
    }
    
    .mobile-contact h3 {
        font-size: 20px;
    }
    
    .footer {
        padding: 30px 0;
    }
    
    .footer-content p {
        font-size: 12px;
    }
    
    /* 활용 분야 섹션 - 480px에서 1열 */
    .usage-header h2 {
        font-size: 20px;
        line-height: 1.4;
    }
    
    .usage-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .usage-image {
        height: 180px;
    }
    
    .usage-content {
        padding: 20px;
    }
    
    .usage-content h4 {
        font-size: 16px;
    }
    
    .usage-content p {
        font-size: 14px;
    }
    
    /* Q&A 및 연락처 섹션 - 480px */
    .qna-contact-section {
        padding: 60px 0;
    }
    
    .qna-contact-grid {
        gap: 35px;
    }
    
    .faq-title {
        font-size: 20px;
        margin-bottom: 25px;
        line-height: 1.4;
    }
    
    .faq-question span {
        font-size: 14px;
        line-height: 1.4;
    }
    
    .faq-question {
        padding: 15px 0;
    }
    
    .faq-answer p {
        font-size: 13px;
    }
    
    .faq-pagination {
        margin-bottom: 25px;
    }
    
    .page-btn {
        width: 32px;
        height: 32px;
        font-size: 12px;
    }
    
    .faq-write-button a {
        padding: 10px 20px;
        font-size: 13px;
    }
    
    .contact-card {
        padding: 35px 25px;
        min-height: 240px;
    }
    
    .contact-text {
        font-size: 15px;
        margin-bottom: 8px;
    }
    
    .contact-text:last-of-type {
        margin-bottom: 20px;
    }
    
    .contact-phone {
        font-size: 22px;
    }
    
    .contact-image img {
        width: 110px;
    }

}

/* 매우 작은 모바일 */
@media (max-width: 360px) {
    .mobile-hero h1 {
        font-size: 20px;
    }
    
    .section-header h2 {
        font-size: 22px;
    }
    
    .features-text p {
        font-size: 16px;
    }
    
    .product-card h3 {
        font-size: 15px;
    }
    
    .feature-item h4 {
        font-size: 18px;
    }
    
    .diverse-function-card span {
        font-size: 14px;
    }
    
    .qna-item h4 {
        font-size: 14px;
    }
    
    .mobile-contact h3 {
        font-size: 18px;
    }
}

/* 가로 모드 최적화 */
@media (max-height: 500px) and (orientation: landscape) {
    .mobile-hero {
        padding: 30px 0;
    }
    
    .mobile-hero h1 {
        font-size: 20px;
        margin-bottom: 15px;
    }
    
    .mobile-hero p {
        font-size: 14px;
        margin-bottom: 20px;
    }
    
    .products-section,
    .special-section,
    .main-functions-section,
    .usage-section,
    .qna-section {
        padding: 40px 0;
    }
}

/* 카카오톡 상담 버튼 */
.kakao-chat-button {
    position: fixed;
    bottom: 90px;
    right: 30px;
    z-index: 1000;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.kakao-chat-button:hover {
    transform: translateY(-2px);
}

.kakao-chat-button a {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #FEE500;
    color: #3C1E1E;
    padding: 12px 16px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    box-shadow: 0 4px 12px rgba(254, 229, 0, 0.4);
    transition: all 0.3s ease;
}

.kakao-chat-button a:hover {
    background: #FFD700;
    box-shadow: 0 6px 20px rgba(254, 229, 0, 0.6);
    transform: none;
    color: #3C1E1E;
}

.kakao-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
}

.kakao-icon svg {
    width: 20px;
    height: 20px;
    color: #3C1E1E;
}

.kakao-text {
    font-family: inherit;
    letter-spacing: -0.02em;
}