/* 
    ============================================
    스타일시트 파일 (CSS)
    ============================================
    XERO1 홈페이지 전체 스타일 정의
    - 기본 스타일 리셋
    - 헤더/푸터 스타일
    - 섹션별 스타일 (히어로, 기능, 앱, 적용사례 등)
    - 반응형 디자인 (모바일/태블릿 대응)
    - 애니메이션 효과
*/

/* ============================================
   기본 스타일 리셋 및 공통 설정
   ============================================ */

/* 모든 요소의 기본 여백 제거 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 부드러운 스크롤 효과 */
html {
    scroll-behavior: smooth;
}

/* 전체 페이지 기본 스타일 */
body {
    font-family: 'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Helvetica Neue', 'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', sans-serif;
    line-height: 1.6;
    color: #333;
    background: #ffffff;
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
}

html {
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
}

/* 컨테이너: 내용물의 최대 너비 제한 및 중앙 정렬 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   헤더 영역 스타일
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #333;
}

.nav {
    position: relative;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #007AFF;
}

.nav-login {
    background: #007AFF;
    color: white !important;
    padding: 8px 16px;
    border-radius: 6px;
    font-weight: 600;
    transition: background 0.3s;
}

.nav-login:hover {
    background: #0056CC;
    color: white !important;
}

/* ============================================
   히어로 섹션: 첫 화면 메인 영역
   ============================================ */
.hero-section {
    padding: 120px 0 80px;
    background: #ffffff;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    color: #333;
    line-height: 1.2;
    margin-bottom: 2rem;
}

.app-buttons {
    display: flex;
    gap: 1rem;
}

.app-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 12px 20px;
    background: #333;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s;
}

.app-button:hover {
    background: #007AFF;
    transform: translateY(-2px);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    overflow: hidden;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
}

.hero-main-image {
    max-width: 100%;
    width: 100%;
    height: auto;
    max-height: 700px;
    object-fit: contain;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.1));
    transition: transform 0.3s ease;
}

.hero-main-image:hover {
    transform: scale(1.02);
}

/* ============================================
   기능 섹션: 제품의 주요 특징 카드
   ============================================ */
.features-section {
    padding: 80px 0;
    background: #ffffff;
}

.section-title {
    font-size: 2rem;
    font-weight: 600;
    color: #333;
    text-align: center;
    margin-bottom: 3rem;
}

.feature-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: #666;
    font-size: 0.9rem;
}

/* ============================================
   앱 섹션: 스마트폰 화면 미리보기
   ============================================ */
.app-section {
    padding: 80px 0;
    background: #ffffff;
}

.phone-mockups {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 3rem;
}

.phone-mockup {
    width: 280px;
    height: 500px;
    background: #333;
    border-radius: 25px;
    padding: 20px;
    position: relative;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 20px;
    padding: 20px;
    overflow-y: auto;
}

.app-header {
    text-align: center;
    margin-bottom: 20px;
}

.app-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 5px;
}

.app-header p {
    font-size: 0.8rem;
    color: #666;
}

.remote-control {
    background: #f5f5f5;
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 15px;
}

.remote-control h4 {
    font-size: 0.9rem;
    color: #333;
    margin-bottom: 10px;
}

.timer {
    font-size: 1.5rem;
    font-weight: 600;
    color: #007AFF;
    text-align: center;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
}

.modal {
    background: white;
    padding: 20px;
    border-radius: 15px;
    text-align: center;
    margin: 20px;
}

.modal p {
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.time-picker {
    background: #f5f5f5;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 15px;
    font-size: 0.9rem;
}

.modal-buttons {
    display: flex;
    gap: 10px;
}

.cancel-btn, .confirm-btn {
    flex: 1;
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    font-size: 0.8rem;
    cursor: pointer;
}

.cancel-btn {
    background: #f5f5f5;
    color: #333;
}

.confirm-btn {
    background: #007AFF;
    color: white;
}

.time-info {
    margin-top: 15px;
}

.remaining-time, .end-time {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 0.8rem;
}

.control-buttons {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.extend-btn, .close-btn {
    flex: 1;
    padding: 8px 12px;
    border: none;
    border-radius: 6px;
    font-size: 0.8rem;
    cursor: pointer;
}

.extend-btn {
    background: #f5f5f5;
    color: #333;
}

.close-btn {
    background: #ff3b30;
    color: white;
}

.opening-modes {
    margin-bottom: 15px;
}

.opening-modes h4 {
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.radio-group {
    margin-bottom: 10px;
}

.radio-group label {
    display: block;
    font-size: 0.8rem;
    margin-bottom: 5px;
    cursor: pointer;
}

.radio-group input[type="radio"] {
    margin-right: 8px;
}

.forced-opening {
    text-align: center;
    margin-bottom: 15px;
}

.forced-opening h4 {
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.open-btn {
    background: #007AFF;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 0.9rem;
    cursor: pointer;
}

.entry-log {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: #666;
}

.arrow {
    color: #007AFF;
    font-weight: bold;
}

/* ============================================
   적용 사례 섹션: 실제 사용 사례 이미지 카드
   ============================================ */
.cases-section {
    padding: 80px 0;
    background: #ffffff;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
    box-sizing: border-box;
}

.cases-section .container {
    max-width: 1800px;
    width: 100%;
    box-sizing: border-box;
}

.cases-section .section-content {
    max-width: 2000px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-sizing: border-box;
}

.case-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
    border: 3px solid #ff4de7;
}

.filter-btn {
    padding: 12px 24px;
    border: 1px solid #ddd;
    background: white;
    color: #333;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    font-family: inherit;
}

.filter-btn:hover {
    border-color: #007AFF;
    color: #007AFF;
}

.filter-btn.active {
    background: #1a1a1a;
    color: white;
    border-color: #1a1a1a;
}

.case-cards {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 2rem;
    width: 40%;
    max-width: 100%;
    height:500px;
    margin: 0 auto;
    border: 2px solid #4ddbff;
    box-sizing: border-box;
    overflow: hidden;
}

.case-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: opacity 0.3s, transform 0.3s;
    opacity: 1;
    transform: scale(1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    height:500px;
    border: 3px solid #ff4de7;
    width: 100%;
    max-width: 100%;
}

.case-card.hidden {
    display: none !important;
    opacity: 0;
}

.case-card:hover {
    
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.case-image {
    width: 100%;
    max-width: 500px;
    height: 700px;
    max-height: 700px;
    border-radius: 10px;
    background: #f5f5f5;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    margin: 0 auto;
    box-sizing: border-box;
    overflow: hidden;
}

/* ============================================
   제품 비교 섹션: 기존 제품 vs XERO1
   ============================================ */
.comparison-section {
    padding: 120px 0;
    background: #ffffff;
    
}

.section-subtitle {
    text-align: center;
    font-size: 1.3rem;
    color: #007AFF;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.comparison-intro {
    text-align: center;
    font-size: 1rem;
    color: #666;
    margin-bottom: 4rem;
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

/* 제품 이미지 비교 */
.comparison-images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 5rem;
    max-width: 1000px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding: 0 2rem;
    position: relative;
    box-sizing: border-box;
}

.comparison-images::before {
    content: 'VS';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background: linear-gradient(135deg, #007AFF 0%, #0056CC 100%);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    box-shadow: 0 4px 20px rgba(0, 122, 255, 0.3);
    z-index: 5;
}

.comparison-image-item {
    text-align: center;
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 20px;
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

.comparison-image-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    border-color: #007AFF;
}

.comparison-image-item:last-child {
    border-color: #007AFF;
    background: linear-gradient(135deg, #f0f9ff 0%, #ffffff 100%);
}

.comparison-image-item h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
}

.comparison-image-item:last-child h3 {
    color: #007AFF;
}

.comparison-image-item .competitor-image {
    max-width: 100%;
    width: 100%;
    height: auto;
    max-height: 220px;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    padding: 1rem;
    background: #fafafa;
    box-sizing: border-box;
}

.comparison-image-item .product-device {
    margin: 0 auto;
    box-shadow: 0 4px 20px rgba(0, 122, 255, 0.2);
    transform: scale(1.05);
}

/* 여러 이미지 표시 (적외선 + 터치스위치) */
.comparison-image-item.competitor-multi .multi-images {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
}

.multi-image-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.multi-image-item .competitor-image {
    max-width: 100%;
    width: 100%;
    height: auto;
    max-height: 150px;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    padding: 1rem;
    background: #fafafa;
    box-sizing: border-box;
}

.image-label {
    font-size: 0.85rem;
    color: #666;
    font-weight: 500;
}

.comparison-main {
    background: #fafbfc;
}

/* 3개 제품 비교 스타일 */
.comparison-images-triple {
    grid-template-columns: 1fr 1fr 1fr !important;
    gap: 2.5rem !important;
}

.comparison-images-triple::before {
    display: none !important;
}

.comparison-table-triple th.table-item {
    width: 10% !important;
}

.comparison-table-triple th.table-competitor {
    width: 10% !important;
}

.comparison-table-triple th.table-xero1 {
    width: 10% !important;
}

.comparison-table-triple td.table-item {
    width: 18% !important;
}

.comparison-table-triple td.table-competitor {
    width: 27% !important;
}

.comparison-table-triple td.table-xero1 {
    width: 28% !important;
}

/* 비교 테이블 */
.comparison-table-wrapper {
    overflow-x: auto;
    margin-bottom: 5rem;
    border-radius: 20px;
    background: white;
    border: 1px solid #e5e7eb;
    max-width: 1100px;
    margin: 0 auto;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    position: relative;
}

.comparison-table-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #007AFF 0%, #0056CC 100%);
    border-radius: 20px 20px 0 0;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

.comparison-table thead {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-bottom: 2px solid #e5e7eb;
    position: sticky;
    top: 0;
    z-index: 10;
}

.comparison-table th {
    padding: 1.5rem 1.5rem;
    text-align: left;
    font-weight: 700;
    font-size: 0.95rem;
    color: #333;
    letter-spacing: -0.01em;
}

.comparison-table th.table-item {
    width: 22%;
    color: #666;
    font-weight: 600;
}

.comparison-table th.table-competitor {
    width: 39%;
    text-align: center;
    color: #666;
}

.comparison-table th.table-xero1 {
    width: 39%;
    text-align: center;
    color: #007AFF;
    background: #f0f9ff;
}

.comparison-table tbody tr {
    border-bottom: 1px solid #f3f4f6;
    transition: all 0.2s ease;
}

.comparison-table tbody tr:hover {
    background: #f8f9fa;
    transform: scale(1.001);
}

.comparison-table tbody tr:nth-child(even) {
    background: #fafbfc;
}

.comparison-table tbody tr:nth-child(even):hover {
    background: #f0f4f8;
}

.comparison-table tbody tr:last-child {
    border-bottom: none;
}

.comparison-table td {
    padding: 1.5rem 1.5rem;
    font-size: 0.9rem;
    line-height: 1.7;
    vertical-align: middle;
}

.comparison-table td.table-item {
    font-weight: 600;
    color: #333;
    background: #fafbfc;
    font-size: 0.9rem;
    width: 22%;
}

.comparison-table td.table-competitor {
    text-align: center;
    color: #555;
    font-size: 0.9rem;
    width: 39%;
}

.comparison-table td.table-xero1 {
    text-align: center;
    background: #fafbfc;
    font-size: 0.9rem;
    width: 39%;
}

.table-cell-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
}

.table-cell-content span:first-child {
    display: block;
}

.table-note {
    font-size: 0.8rem;
    color: #888;
    font-weight: 400;
    margin-top: 0.2rem;
}

.table-note.highlight {
    color: #007AFF;
    font-weight: 500;
}

.positive-text {
    color: #007AFF;
    font-weight: 700;
    font-size: 0.95rem;
    display: inline-block;
}

.negative-text {
    color: #dc2626;
    font-weight: 600;
    font-size: 0.95rem;
    display: inline-block;
}

.highlight {
    color: #007AFF;
    font-size: 0.85rem;
    font-weight: 500;
}

/* XERO1 선택 이유 */
.why-xero1 {
    margin-bottom: 5rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.why-xero1 h3 {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 3.5rem;
    letter-spacing: -0.02em;
}

.reason-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.comparison-main .reason-cards {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1200px) {
    .comparison-main .reason-cards {
        grid-template-columns: repeat(1, 1fr);
    }
}

.reason-card {
    background: white;
    padding: 2rem 1.5rem;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
    transition: all 0.3s;
}

.reason-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    border-color: #007AFF;
}

.reason-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    line-height: 1;
}

.reason-card h4 {
    font-size: 1rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 0.75rem;
    line-height: 1.5;
    letter-spacing: -0.01em;
}

.reason-card p {
    font-size: 0.875rem;
    color: #666;
    line-height: 1.7;
}

/* CTA 섹션 */
.comparison-cta {
    text-align: center;
    background: linear-gradient(135deg, #007AFF 0%, #0056CC 100%);
    padding: 4rem 3rem;
    border-radius: 20px;
    color: white;
    max-width: 900px;
    margin: 0 auto;
    box-shadow: 0 8px 32px rgba(0, 122, 255, 0.2);
}

.comparison-cta h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: white;
    letter-spacing: -0.02em;
}

.cta-subtitle {
    font-size: 1rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    line-height: 1.6;
}

.cta-button {
    background: white;
    color: #007AFF;
    border: none;
    padding: 16px 48px;
    font-size: 1.05rem;
    font-weight: 700;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
    background: #f8f9fa;
}

/* ============================================
   제품 쇼케이스 섹션: 제품 상세 정보
   ============================================ */
.product-showcase {
    padding: 80px 0;
    background: #ffffff;
}

.showcase-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.product-name {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 1rem;
}

.product-description {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 2rem;
}

.purchase-button {
    background: #007AFF;
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
}

.purchase-button:hover {
    background: #0056CC;
    transform: translateY(-2px);
}

.product-images {
    display: flex;
    gap: 2rem;
    justify-content: center;
    align-items: flex-start;
}

.product-device {
    background: white;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.main-device {
    width: 200px;
    height: 120px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 15px;
}

.device-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: #333;
    text-align: right;
}

.device-info {
    display: flex;
    flex-direction: column;
    gap: 5px;
    font-size: 0.7rem;
    color: #666;
}

.sub-device {
    width: 80px;
    height: 80px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 40px;
}

.device-center {
    width: 40px;
    height: 40px;
    background: #f0f0f0;
    border-radius: 50%;
}

/* ============================================
   플로팅 문의 버튼: 오른쪽 하단 고정 버튼
   ============================================ */
.floating-inquiry {
    position: fixed;
    right: 30px;
    bottom: 30px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.floating-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    border-radius: 50px;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    transition: all 0.3s;
    min-width: 60px;
    height: 60px;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.floating-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.3);
    min-width: 180px;
}

.floating-btn.naver-btn {
    background: #03C75A;
    color: white;
}

.floating-btn.kakao-btn {
    background: #FEE500;
    color: #000000;
}

.floating-btn svg {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
}

.floating-btn .btn-icon {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    object-fit: contain;
    display: block;
}

.btn-label {
    font-size: 1rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    width: 0;
    overflow: hidden;
    transition: all 0.3s;
}

.floating-btn:hover .btn-label {
    opacity: 1 !important;
    width: auto !important;
    margin-left: 8px;
}

/* ============================================
   푸터 영역: 회사 정보 및 링크
   ============================================ */
.footer {
    background: #000000;
    color: #ffffff;
    padding: 0;
    position: relative;
}

.footer-top-line {
    height: 2px;
    background: #FFD700;
    width: 100%;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px 30px;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 0px solid rgb(255, 0, 0);
}

.footer-logo {
    flex: 1;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 300;
    color: #cccccc;
    letter-spacing: 0.05em;
}

.footer-nav {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-nav-link {
    color: #ffffff;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.footer-nav-link:hover {
    color: #FFD700;
}

.footer-nav-divider {
    color: #666666;
    font-size: 0.9rem;
}

.footer-middle {
    margin-bottom: 25px;
}

.banking-info {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: #ffffff;
}

.banking-label {
    font-weight: 600;
}

.banking-divider {
    color: #666666;
}

.banking-text {
    color: #cccccc;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 40px;
}

.footer-info {
    flex: 1;
}

.company-info {
    font-size: 0.85rem;
    line-height: 1.8;
    color: #cccccc;
}

.company-info p {
    margin-bottom: 8px;
}

.footer-social {
    display: flex;
    gap: 12px;
    align-items: center;
}

.social-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    color: #ffffff;
    text-decoration: none;
    transition: all 0.3s;
}

.social-icon svg {
    width: 18px;
    height: 18px;
}

.social-icon:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-2px);
}

.footer-chat-icon {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
    z-index: 999;
}

.footer-chat-icon svg {
    width: 28px;
    height: 28px;
    color: #ffffff;
}

.footer-chat-icon:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

/* ============================================
   반응형 디자인: 모바일/태블릿 화면 대응
   ============================================ */
@media (max-width: 1024px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .phone-mockups {
        gap: 2rem;
    }
    
    .phone-mockup {
        width: 250px;
        height: 450px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 2rem;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s;
        gap: 1rem;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .app-buttons {
        justify-content: center;
    }
    
    .hero-visual {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box;
    }
    
    .hero-image {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box;
    }
    
    .hero-main-image {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        max-height: 300px !important;
        box-sizing: border-box;
    }
    
    .case-image {
        width: 100% !important;
        max-width: 100% !important;
        height: auto !important;
        min-height: 300px !important;
        max-height: 400px !important;
        aspect-ratio: 5/7 !important;
        box-sizing: border-box !important;
        background-size: contain !important;
        background-position: center !important;
        background-repeat: no-repeat !important;
        overflow: hidden !important;
        margin: 0 auto !important;
        display: block !important;
    }
    
    .cases-section {
        overflow-x: hidden !important;
        width: 100% !important;
        max-width: 100% !important;
    }
    
    .cases-section .container {
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 15px !important;
        box-sizing: border-box !important;
        overflow-x: hidden !important;
    }
    
    .cases-section .section-content {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        overflow-x: hidden !important;
    }
    
    .case-cards {
        width: 100% !important;
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
        margin: 0 !important;
        border: 2px solid #4ddbff !important;
    }
    
    .case-card {
        height: auto !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 !important;
        overflow: hidden !important;
        border: 3px solid #ff4de7 !important;
    }
    
    .feature-cards {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .phone-mockups {
        flex-direction: column;
        align-items: center;
        gap: 2rem;
    }
    
    .case-filters {
        gap: 0.5rem;
        padding: 0 10px;
        flex-wrap: nowrap !important;
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch;
        justify-content: flex-start !important;
    }
    
    .case-filters::-webkit-scrollbar {
        display: none;
    }
    
    .filter-btn {
        padding: 10px 16px;
        font-size: 0.9rem;
        flex-shrink: 0;
        white-space: nowrap;
    }
    
    .case-cards {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .showcase-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }
    
    .product-images {
        justify-content: center;
    }
    
    .floating-inquiry {
        right: 20px;
        bottom: 20px;
        gap: 12px;
    }
    
    .floating-btn {
        min-width: 56px;
        height: 56px;
        padding: 14px 18px;
    }
    
    .floating-btn:hover {
        min-width: 160px;
    }
    
    .floating-btn svg {
        width: 24px;
        height: 24px;
    }
    
    .btn-label {
        font-size: 0.9rem;
    }
    
    .footer-top {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
    
    .footer-nav {
        width: 100%;
        justify-content: flex-start;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 25px;
    }
    
    .footer-social {
        flex-wrap: wrap;
    }
    
    .banking-info {
        flex-wrap: wrap;
    }
    
    .footer-chat-icon {
        bottom: 20px;
        right: 20px;
        width: 48px;
        height: 48px;
    }
    
    .footer-chat-icon svg {
        width: 24px;
        height: 24px;
    }
}

@media (max-width: 300px) {
    .container {
        padding: 0 10px;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        
    }
    
    .hero-content {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .cases-section .container {
        width: 100%;
        max-width: 100%;
        padding: 0 10px;
        box-sizing: border-box;
    }
    
    .cases-section .section-content {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .app-button {
        padding: 10px 16px;
        font-size: 0.9rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .phone-mockup {
        width: 220px;
        height: 400px;
    }
    
    .product-name {
        font-size: 2rem;
    }
    
    .purchase-button {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
    
    .hero-visual {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box;
    }
    
    .hero-image {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box;
    }
    
    .hero-main-image {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        max-height: 250px !important;
        box-sizing: border-box;
    }
    
    .case-image {
        width: 100% !important;
        max-width: 100% !important;
        height: auto !important;
        min-height: 250px !important;
        max-height: 300px !important;
        aspect-ratio: 5/7 !important;
        box-sizing: border-box !important;
        background-size: contain !important;
        background-position: center !important;
        background-repeat: no-repeat !important;
        overflow: hidden !important;
        margin: 0 auto !important;
        display: block !important;
    }
    
    .cases-section {
        overflow-x: hidden !important;
        width: 100% !important;
        max-width: 100% !important;
    }
    
    .cases-section .container {
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 10px !important;
        box-sizing: border-box !important;
        overflow-x: hidden !important;
    }
    
    .cases-section .section-content {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        overflow-x: hidden !important;
    }
    
    .case-cards {
        width: 100% !important;
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
        margin: 0 !important;
        border: 2px solid #4ddbff !important;
    }
    
    .case-card {
        width: 100% !important;
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
        padding: 0 !important;
        overflow: hidden !important;
        border: 3px solid #ff4de7 !important;
    }
    
    /* 모바일: 플로팅 문의 버튼 크기 및 위치 조정 */
    .floating-inquiry {
        right: 15px !important;
        bottom: 15px !important;
        gap: 10px !important;
    }
    
    .floating-btn {
        min-width: 50px !important;
        height: 50px !important;
        padding: 12px 16px !important;
    }
    
    .floating-btn .btn-icon {
        width: 22px !important;
        height: 22px !important;
    }
    
    .floating-btn:hover {
        min-width: 50px !important;
    }
    
    .floating-btn:hover .btn-label {
        display: none !important;
    }
    
    /* 모바일: 제품 비교 섹션 반응형 */
    .comparison-section {
        padding: 60px 0 !important;
    }
    
    .comparison-intro {
        font-size: 0.9rem !important;
        margin-bottom: 3rem !important;
        padding: 0 1rem !important;
    }
    
    .comparison-images {
        grid-template-columns: 1fr !important;
        gap: 2rem !important;
        padding: 0 1rem !important;
        margin-bottom: 3rem !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box;
    }
    
    .comparison-images-triple {
        grid-template-columns: 1fr !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box;
    }
    
    .comparison-images::before {
        display: none !important;
    }
    
    .comparison-image-item {
        padding: 1.5rem 1rem !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box;
    }
    
    .comparison-image-item h3 {
        font-size: 1.1rem !important;
        margin-bottom: 1.5rem !important;
    }
    
    .comparison-image-item .competitor-image {
        max-width: 100% !important;
        width: 100% !important;
        max-height: 180px !important;
        box-sizing: border-box;
    }
    
    .comparison-image-item.competitor-multi .multi-images {
        gap: 1rem !important;
        width: 100% !important;
        max-width: 100% !important;
    }
    
    .multi-image-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box;
    }
    
    .multi-image-item .competitor-image {
        max-width: 100% !important;
        width: 100% !important;
        max-height: 120px !important;
        box-sizing: border-box;
    }
    
    .image-label {
        font-size: 0.75rem !important;
    }
    
    .table-cell-content {
        gap: 0.3rem !important;
    }
    
    .table-note {
        font-size: 0.75rem !important;
    }
    
    .comparison-table-wrapper {
        margin: 0 -15px 3rem !important;
        border-radius: 0 !important;
        border-left: none !important;
        border-right: none !important;
    }
    
    .comparison-table {
        font-size: 0.8rem !important;
    }
    
    .comparison-table th {
        padding: 1rem 0.75rem !important;
        font-size: 0.85rem !important;
    }
    
    .comparison-table td {
        padding: 1rem 0.75rem !important;
        font-size: 0.8rem !important;
    }
    
    .comparison-table th.table-item {
        width: 28% !important;
    }
    
    .comparison-table th.table-competitor,
    .comparison-table th.table-xero1 {
        width: 36% !important;
    }
    
    .comparison-table-triple th.table-item {
        width: 25% !important;
    }
    
    .comparison-table-triple th.table-competitor {
        width: 25% !important;
    }
    
    .comparison-table-triple th.table-xero1 {
        width: 25% !important;
    }
    
    .comparison-table-triple td.table-item {
        width: 25% !important;
    }
    
    .comparison-table-triple td.table-competitor {
        width: 25% !important;
    }
    
    .comparison-table-triple td.table-xero1 {
        width: 25% !important;
    }
    
    .positive-text,
    .negative-text {
        font-size: 0.85rem !important;
    }
    
    .highlight {
        font-size: 0.75rem !important;
    }
    
    .why-xero1 {
        margin-bottom: 3rem !important;
        padding: 0 1rem !important;
    }
    
    .why-xero1 h3 {
        font-size: 1.5rem !important;
        margin-bottom: 2rem !important;
    }
    
    .reason-cards {
        grid-template-columns: 1fr !important;
        gap: 1.25rem !important;
    }
    
    .reason-card {
        padding: 1.5rem 1.25rem !important;
    }
    
    .reason-icon {
        font-size: 1.75rem !important;
    }
    
    .reason-card h4 {
        font-size: 0.95rem !important;
    }
    
    .reason-card p {
        font-size: 0.85rem !important;
    }
    
    .comparison-cta {
        padding: 3rem 2rem !important;
        margin: 0 1rem !important;
        border-radius: 16px !important;
    }
    
    .comparison-cta h3 {
        font-size: 1.4rem !important;
    }
    
    .cta-subtitle {
        font-size: 0.9rem !important;
        margin-bottom: 2rem !important;
    }
    
    .cta-button {
        padding: 14px 36px !important;
        font-size: 1rem !important;
    }
}

/* ============================================
   애니메이션 효과
   ============================================ */

/* 위로 올라오는 페이드인 애니메이션 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 애니메이션 클래스: 섹션 진입 시 적용 */
.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}