/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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



body {
    font-family: 'Noto Sans KR', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    background: transparent !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-left: -25px;
}

.nav-logo-icon {
    height: auto;
    width: 35px;
    max-height: 35px;
    object-fit: contain;
    margin-left: -5px;
}

.nav-logo-image {
    height: auto;
    width: 120px;
    max-height: 35px;
    object-fit: contain;
}

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

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

.nav-menu a:hover {
    color: #00D4AA;
}

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

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, #E8F5E8 0%, #FFFFFF 100%);
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.floating-icons {
    position: relative;
    width: 100%;
    height: 100%;
}

.icon {
    position: absolute;
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #00D4AA;
    box-shadow: 0 8px 32px rgba(0, 212, 170, 0.1);
}

.icon-1 { top: 20%; left: 10%; }
.icon-2 { top: 30%; right: 15%; }
.icon-3 { top: 60%; left: 5%; }
.icon-4 { top: 70%; right: 10%; }
.icon-5 { top: 40%; left: 20%; }
.icon-6 { top: 50%; right: 25%; }
.icon-7 { top: 80%; left: 15%; }
.icon-8 { top: 25%; left: 30%; }
.icon-9 { top: 20%; right: 30%; }

.hero-content {
    text-align: center;
    z-index: 2;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    animation: fadeInUp 1s ease-out;
    transition: all 0.3s ease;
}



.hero-content p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
    animation: fadeInUp 1.2s ease-out;
    transition: all 0.3s ease;
}



.cta-button {
    background: linear-gradient(135deg, #00D4AA 0%, #00B894 100%);
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 32px rgba(0, 212, 170, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    text-decoration: none;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 212, 170, 0.4);
}

.download-badge {
    height: 32px;
    width: auto;
    max-width: 160px;
    transition: all 0.3s ease;
}

/* Feature Sections */
.feature-section {
    padding: 120px 0;
    background: transparent !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
}

.feature-section.bg-light {
    background: #f8f9fa;
}

.feature-section.bg-light {
    background: #f8f9fa !important;
}

.feature-section.bg-light .level-system-grid {
    background: #f8f9fa !important;
}

.feature-section.bg-light .container {
    background: #f8f9fa !important;
}



.feature-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}

.level-system-grid {
    justify-items: start;
    margin-left: -2rem;
    gap: 0.5rem !important;
}

.level-system-grid .feature-visual {
    margin-right: -1rem;
    margin-left: 2rem;
}

.level-system-grid .feature-text {
    margin-left: -1rem;
}

.feature-grid.reverse {
    direction: rtl;
}

.feature-grid.reverse > * {
    direction: ltr;
}

.feature-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 1.5rem;
    line-height: 1.4;
    white-space: nowrap;
    overflow: visible;
}

.feature-text {
    max-width: none;
    width: 100%;
    min-width: 0;
}

.feature-text p {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.6;
    max-width: none;
    width: 100%;
    word-break: keep-all;
    overflow-wrap: break-word;
    white-space: nowrap;
}



.feature-visual {
    display: flex !important;
    gap: 2rem;
    justify-content: center;
    align-items: center;
    background: transparent !important;
    position: relative;
    z-index: 1;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
}







/* Phone Mockup Styles */
.phone-mockup {
    width: 260px;
    height: 560px;
    background: #1a1a1a;
    border-radius: 30px;
    padding: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    position: relative;
}

/* Real-time Preview Image Styles */
.realtime-preview-image {
    width: 260px;
    height: auto;
    max-width: 100%;
    transition: all 0.3s ease;
    cursor: pointer;
    background: transparent !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
}

.realtime-preview-image:hover {
    transform: translateY(-5px) scale(1.02);
}

/* Simple Image Switcher */
.image-switcher {
    cursor: pointer;
    display: inline-block;
}

.image-switcher .realtime-preview-image {
    width: 260px;
    height: auto;
    max-width: 100%;
}





.phone-screen {
    width: 100%;
    height: 100%;
    background: transparent;
    border-radius: 12px;
    padding: 0;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Clean Image Display for Data Backup Section */
.data-backup-section .backup-screenshot {
    width: 260px;
    height: auto;
    max-width: 100%;
    transition: all 0.3s ease;
    cursor: pointer;
    background: transparent !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
}

.data-backup-section .backup-screenshot:hover {
    transform: translateY(-5px) scale(1.02);
}

/* Data Backup Section Text Layout */
.data-backup-section .feature-grid {
    gap: 20px;
}

.data-backup-section .feature-text {
    flex: 1;
    min-width: 0;
    max-width: none;
    width: 100%;
}

.data-backup-section .feature-visual {
    background: transparent !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
}

.data-backup-section {
    background: transparent !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
    padding-bottom: 60px;
}

.data-backup-section .feature-text p {
    line-height: 1.8;
    word-break: keep-all;
    overflow-wrap: break-word;
    font-size: 1.1rem;
    white-space: nowrap;
}

/* Course Recommendation Section */
.course-recommendation-section {
    background: transparent !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
    padding-top: 60px;
}

.course-recommendation-section .course-recommendation-screenshot {
    width: 260px;
    height: auto;
    max-width: 100%;
    transition: all 0.3s ease;
    cursor: pointer;
    background: transparent !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
}

.course-recommendation-section .course-recommendation-screenshot:hover {
    transform: translateY(-5px) scale(1.02);
}

.course-recommendation-section .feature-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.course-recommendation-section .feature-text {
    text-align: right;
    margin-left: -10rem;
}

.course-recommendation-section .feature-visual {
    text-align: center;
    margin-left: -14rem;
}

.course-recommendation-section .feature-text p {
    line-height: 1.8;
    word-break: keep-all;
    overflow-wrap: break-word;
    font-size: 1.1rem;
    white-space: nowrap;
}



/* Activity Dashboard */
.activity-dashboard {
    height: 100%;
    display: flex;
    flex-direction: column;
    padding: 1rem;
}

.activity-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.activity-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 0.5rem;
}

.activity-header .date {
    font-size: 0.9rem;
    color: #666;
}

.activity-stats {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 12px;
}

.stat-item i {
    color: #00D4AA;
    font-size: 1.5rem;
    width: 30px;
    text-align: center;
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: #333;
}

.stat-label {
    font-size: 0.9rem;
    color: #666;
}

/* Activity List */
.activity-list {
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-radius: 12px;
    background: #f8f9fa;
}

.activity-item i {
    color: #00D4AA;
    font-size: 1.5rem;
    width: 30px;
    text-align: center;
}

.activity-info {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.activity-name {
    font-weight: 600;
    color: #333;
    font-size: 1rem;
}

.activity-time {
    font-size: 0.9rem;
    color: #666;
}

.activity-points {
    font-weight: 600;
    color: #00D4AA;
    font-size: 1rem;
}

/* Level Card */
.level-card {
    background: #FFF;
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    text-align: center;
    min-width: 350px;
    max-width: 400px;
    border: none !important;
    outline: none !important;
}



.level-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 0.25rem;
}



.level-display {
    font-size: 1.8rem;
    font-weight: 700;
    color: #00D4AA;
    margin-bottom: 1rem;
}

.points-display {
    font-size: 1rem;
    color: #666;
    margin-bottom: 1.5rem;
}

.level-info p {
    color: #666;
    font-size: 0.9rem;
}

.progress-bar {
    width: 100%;
    height: 12px;
    background: #e0e0e0;
    border-radius: 6px;
    margin-bottom: 1rem;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: #00D4AA;
    border-radius: 6px;
    transition: width 0.3s ease;
}



/* Achievements Section */
.achievements-section {
    padding: 140px 0;
    background: white;
}

.achievements-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.achievement-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
    position: relative;
}

.achievement-card:hover {
    transform: translateY(-5px);
}

.achievement-card i {
    color: #00D4AA;
    font-size: 2rem;
    margin-bottom: 1rem;
}

.achievement-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1a1a1a;
}

.achievement-card p {
    color: #666;
    margin-bottom: 1rem;
}

.achievement-badge {
    background: #00D4AA;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-block;
}

.achievement-badge.locked {
    background: #ccc;
    color: #666;
}

/* Data Management */
.data-management {
    height: 100%;
    display: flex;
    flex-direction: column;
    padding: 1rem;
}

.data-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.data-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 0.5rem;
}

.backup-status {
    font-size: 0.9rem;
    color: #00D4AA;
    font-weight: 600;
}

.backup-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.backup-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.8rem;
    background: #f8f9fa;
    border-radius: 12px;
}

.backup-item i {
    color: #00D4AA;
    font-size: 1.2rem;
}

.backup-item span {
    flex: 1;
    font-weight: 500;
    color: #333;
}

.backup-size {
    font-size: 0.9rem;
    color: #666;
    font-weight: 600;
}

.backup-button {
    background: #00D4AA;
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: auto;
}

.backup-button:hover {
    background: #00B894;
    transform: translateY(-2px);
}



/* Features Grid Section */
.features-grid-section {
    padding: 100px 0;
    background: #f8f9fa;
}

.features-header {
    text-align: center;
    margin-bottom: 3rem;
}

.features-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 1rem;
}

.features-header p {
    font-size: 1.1rem;
    color: #666;
    max-width: none;
    width: 100%;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 3rem;
    max-width: 1800px;
    margin: 0;
    margin-left: -100px;
}

.feature-item {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    min-width: 240px;
    width: 100%;
    aspect-ratio: 1;
}

.feature-item:hover {
    transform: translateY(-5px);
}

.feature-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, #00D4AA 0%, #00B894 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 2rem;
    color: white;
}

.feature-item h3 {
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.feature-item p {
    color: #666;
    line-height: 1.6;
    max-width: none;
    width: 100%;
    word-break: keep-all;
    overflow-wrap: break-word;
    font-size: 0.9rem;
}

/* Challenge Section */
.challenge-section {
    padding: 100px 0;
    background: transparent !important;
}

/* Challenge Section에서 모든 도형 완전 제거 */
.challenge-section * {
    background: transparent !important;
    background-color: transparent !important;
    background-image: none !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
}

.challenge-section *::before,
.challenge-section *::after {
    display: none !important;
    content: none !important;
    background: none !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
}

.challenge-header {
    text-align: center;
    margin-bottom: 3rem;
}

.challenge-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 1rem;
}

.challenge-header p {
    font-size: 1.1rem;
    color: #666;
}

.challenge-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3rem;
}

.challenge-text-left,
.challenge-text-right {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    text-align: left;
}

.challenge-text-left p,
.challenge-text-right p {
    font-weight: 600;
    color: #00D4AA;
    font-size: 1.05rem !important;
    margin: 0;
    line-height: 0.9;
}

/* 왼쪽 텍스트 특별 스타일 */
.challenge-text-left {
    text-align: left;
    gap: 0.2rem;
    margin-top: 4rem;
}

/* 오른쪽 텍스트 특별 스타일 */
.challenge-text-right {
    text-align: left;
    gap: 0.2rem;
    margin-top: -23rem;
}

/* Challenge Dashboard */
.challenge-dashboard {
    height: 100%;
    display: flex;
    flex-direction: column;
    padding: 1rem;
    background: white;
}

.challenge-dashboard .challenge-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #eee;
    text-align: left;
}

.challenge-dashboard .challenge-header h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #333;
    margin: 0;
}

.challenge-count {
    font-size: 0.9rem;
    color: #00D4AA;
    font-weight: 600;
}

.challenge-list {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.challenge-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.challenge-item.active {
    background: linear-gradient(135deg, #00D4AA, #00B894);
    color: white;
}

.challenge-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #00D4AA;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.challenge-item.active .challenge-icon {
    background: rgba(255, 255, 255, 0.2);
}

.challenge-content {
    flex: 1;
}

.challenge-content h4 {
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 0.25rem 0;
    color: #333;
}

.challenge-item.active .challenge-content h4 {
    color: white;
}

.challenge-content p {
    font-size: 0.8rem;
    color: #666;
    margin: 0 0 0.5rem 0;
}

.challenge-item.active .challenge-content p {
    color: rgba(255, 255, 255, 0.8);
}

.challenge-progress {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.challenge-progress .progress-bar {
    flex: 1;
    height: 6px;
    background: #e9ecef;
    border-radius: 3px;
    overflow: hidden;
}

.challenge-item.active .challenge-progress .progress-bar {
    background: rgba(255, 255, 255, 0.3);
}

.challenge-progress .progress-fill {
    height: 100%;
    background: #00D4AA;
    border-radius: 3px;
    transition: width 0.3s ease;
}

.challenge-item.active .challenge-progress .progress-fill {
    background: white;
}

.challenge-progress span {
    font-size: 0.8rem;
    color: #666;
    min-width: 50px;
    text-align: right;
}

.challenge-item.active .challenge-progress span {
    color: white;
}

.challenge-reward {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.reward-points {
    font-size: 0.9rem;
    font-weight: 600;
    color: #00D4AA;
}

.challenge-item.active .reward-points {
    color: white;
}

.reward-badge {
    font-size: 1.2rem;
}

/* App Preview Section */
.app-preview-section {
    padding: 100px 0;
    background: #f8f9fa;
}

/* App Preview Section에서 모든 도형 완전 제거 */
.app-preview-section * {
    background: transparent !important;
    background-color: transparent !important;
    background-image: none !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
}

.app-preview-section *::before,
.app-preview-section *::after {
    display: none !important;
    content: none !important;
    background: none !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
}

/* 이미지만 제외하고 모든 것 제거 */
.app-preview-section .app-screens-grid img {
    background: transparent !important;
    background-color: transparent !important;
    background-image: none !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
}

/* 홈 미리보기 이미지 스타일 */
.home-preview-image {
    width: 260px;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    filter: drop-shadow(0 8px 25px rgba(0, 0, 0, 0.1));
}

.home-preview-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    filter: drop-shadow(0 12px 35px rgba(0, 0, 0, 0.15));
}

/* 홈 미리보기 컨테이너 스타일 */
.home-preview-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2.5rem;
}

/* 홈 미리보기 설명 텍스트 스타일 */
.home-preview-description {
    text-align: center;
    font-size: 1.05rem !important;
    color: #666;
    line-height: 1.6;
    max-width: 400px;
    margin: 0;
    margin-top: 1rem;
}

/* 앱 미리보기 이미지 스타일 */
.app-preview-image {
    width: 200px;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    filter: drop-shadow(0 6px 20px rgba(0, 0, 0, 0.08));
}

.app-preview-image:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.15);
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.12));
}

.app-preview-header {
    text-align: center;
    margin-bottom: 3rem;
}

.app-preview-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 1rem;
}

.app-preview-header p {
    font-size: 1.1rem;
    color: #666;
}

.app-screens-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
}



/* Lifestyle Section */
.lifestyle-section {
    padding: 100px 0;
    background: white;
}

.lifestyle-header {
    text-align: center;
    margin-bottom: 3rem;
}

.lifestyle-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 1rem;
}

.lifestyle-header p {
    font-size: 1.1rem;
    color: #666;
}

.lifestyle-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.lifestyle-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.lifestyle-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #00D4AA 0%, #00B894 100%);
}

.lifestyle-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 212, 170, 0.15);
}

.lifestyle-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, #E8F5E8 0%, #B8E6B8 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: #00D4AA;
    transition: all 0.3s ease;
}

.lifestyle-card:hover .lifestyle-icon {
    background: linear-gradient(135deg, #00D4AA 0%, #00B894 100%);
    color: white;
    transform: scale(1.1);
}

.lifestyle-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 1rem;
}

.lifestyle-content p {
    color: #666;
    line-height: 1.6;
    font-size: 1rem;
}

/* Download Section */
.download-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #00D4AA 0%, #00B894 100%);
    color: white;
}

.download-section * {
    background: transparent !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
}

.download-content {
    text-align: center;
}

.download-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.download-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.download-buttons {
    display: flex;
    gap: 2rem;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    margin-left: 2rem;
    margin-top: -0.5rem;
}



.app-store-image {
    height: 68px;
    width: auto;
    max-width: 235px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    display: block;
    vertical-align: middle;
    background: transparent !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    appearance: none !important;
}

.app-store-image:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.google-play-image {
    height: 100px;
    width: auto;
    max-width: 350px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: block;
    vertical-align: middle;
    background: transparent !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    appearance: none !important;
}

.download-buttons a {
    text-decoration: none;
    display: inline-block;
    background: transparent !important;
    border: none !important;
    outline: none !important;
}

.google-play-image:hover {
    transform: translateY(-2px);
    filter: brightness(1.1);
}



/* Footer */
.footer {
    background: #1a1a1a;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-section h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: white;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
    color: #ccc;
}

.footer-section ul li a {
    color: #ccc !important;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #00D4AA !important;
}

.footer-section p {
    color: #ccc;
    margin-bottom: 1rem;
}

/* 고객지원 섹션 왼쪽 이동 */
.footer-section:nth-child(2) {
    margin-left: -4rem;
}

.footer-button {
    background: #00D4AA;
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.footer-button:hover {
    background: #00B894;
    transform: translateY(-2px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid #333;
}

.footer-policies {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-policies a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.9rem;
}

.footer-policies a:hover {
    color: #00D4AA;
}

.footer-policies .separator {
    color: #666;
    font-weight: 300;
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icons a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #333;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-icons a:hover {
    background: #00D4AA;
    transform: translateY(-2px);
}

.copyright p {
    color: #ccc;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        display: none;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .feature-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .feature-grid.reverse {
        direction: ltr;
    }

    .achievements-grid {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .feature-item {
        min-width: 0;
        width: 100%;
        padding: 1.5rem;
    }

    .feature-item p {
        max-width: none;
        width: 100%;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    .challenge-content {
        flex-direction: column;
        gap: 2rem;
    }

    .lifestyle-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .feature-visual {
        flex-direction: column;
    }

    .phone-mockup {
        width: 240px;
        height: 480px;
    }

    .realtime-preview-image {
        width: 240px;
        height: auto;
        background: transparent !important;
        border: none !important;
        outline: none !important;
        box-shadow: none !important;
    }

    .level-card {
        min-width: 300px;
        max-width: 350px;
    }



    .data-backup-section .backup-screenshot {
        width: 260px;
        height: auto;
        background: transparent !important;
        border: none !important;
        outline: none !important;
        box-shadow: none !important;
    }

    .data-backup-section .feature-text {
        max-width: 100%;
        padding: 0;
        width: 100%;
    }

    .data-backup-section .feature-text p {
        font-size: 1rem;
        line-height: 1.7;
        white-space: nowrap;
        overflow: visible;
    }

    .app-screens-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }


}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }

    .download-badge {
        height: 28px;
        max-width: 140px;
    }



    .app-store-image {
        height: 60px;
        max-width: 220px;
    }

    .google-play-image {
        height: 90px;
        max-width: 320px;
    }

    .realtime-preview-image {
        width: 200px;
        height: auto;
        background: transparent !important;
        border: none !important;
        outline: none !important;
        box-shadow: none !important;
    }

    .level-card {
        min-width: 250px;
        max-width: 300px;
    }



    .feature-text h2 {
        font-size: 2rem;
    }

    .feature-text {
        max-width: 100%;
        width: 100%;
        min-width: 0;
        padding: 0 0.5rem;
    }

    .feature-text p {
        max-width: none;
        width: 100%;
        word-break: keep-all;
        overflow-wrap: break-word;
        font-size: 1rem;
        line-height: 1.6;
        white-space: nowrap;
        overflow: visible;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .feature-item {
        min-width: 0;
        width: 100%;
        padding: 1rem;
    }

    .feature-item p {
        max-width: none;
        width: 100%;
        word-break: keep-all;
        overflow-wrap: break-word;
        font-size: 1rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .app-screens-grid {
        grid-template-columns: 1fr;
    }

    .lifestyle-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}