/* CSS 변수 정의 */
:root {
    --bg-primary: #1a1e23;
    --bg-secondary: #252833;
    --bg-tertiary: #2C304C;
    --text-primary: #FFFFFF;
    --text-secondary: #BCC7D7;
    --text-tertiary: #8B95A7;
    --brand-blue: #4285f4;
    --brand-blue-hover: #5294ff;
    --border-color: rgba(255, 255, 255, 0.1);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
}

/* 보안 페이지 전용 스타일 */
.security-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1e23 0%, #1e3c72 50%, #2a5298 100%);
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.security-hero canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.security-hero-content {
    text-align: center;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    padding: 3rem;
    position: relative;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #FFFFFF 0%, #4285f4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: #4285f4;
    margin-bottom: 2rem;
    font-weight: 600;
}

.hero-description {
    font-size: 1.125rem;
    color: #BCC7D7;
    line-height: 1.8;
    margin-bottom: 3rem;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.btn-primary {
    background: #4285f4;
    color: white;
    border: 2px solid #4285f4;
}

.btn-primary:hover {
    background: #5294ff;
    border-color: #5294ff;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-lg {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

/* 반응형 */
@media (max-width: 768px) {
    .security-hero-content {
        padding: 2rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }
}

/* 애니메이션 */
.fade-in {
    opacity: 0;
    animation: fadeIn 0.8s ease-out forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

/* 로드맵 섹션 */
.roadmap-section {
    background: #252833;
    padding: 5rem 0;
}

.section {
    padding: 4rem 0;
}

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

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #FFFFFF;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: #BCC7D7;
}

.policy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto;
}

.policy-item {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.policy-item:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-3px);
}

.policy-item i {
    font-size: 2.5rem;
    color: #4285f4;
    margin-bottom: 1rem;
    display: block;
}

.policy-item h4 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: #FFFFFF;
}

.policy-item p {
    color: #BCC7D7;
    font-size: 0.875rem;
}

/* 반응형 - 로드맵 섹션 */
@media (max-width: 768px) {
    .policy-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .section-title {
        font-size: 2rem;
    }

    .roadmap-section {
        padding: 3rem 0;
    }
}

@media (max-width: 480px) {
    .policy-grid {
        grid-template-columns: 1fr;
    }
}

/* 보안 체계 섹션 */
.security-overview-section {
    background: var(--bg-primary);
    padding: 5rem 0;
}

.section-title i {
    color: #FF6B35;
    margin-right: 0.5rem;
}

.section-desc {
    font-size: 1rem;
    color: var(--text-tertiary);
    margin-top: 0.5rem;
}

.core-principle {
    background: rgba(255, 107, 53, 0.1);
    border: 1px solid #FF6B35;
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin: 3rem auto 2rem;
    text-align: center;
    max-width: 900px;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.core-principle i {
    font-size: 2rem;
    color: #FF6B35;
    flex-shrink: 0;
}

.core-principle p {
    margin: 0;
    font-size: 1.125rem;
    color: var(--text-primary);
    text-align: left;
}

.core-principle strong {
    color: #FF6B35;
}

/* 보안 기능 컨테이너 */
.security-feature {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 3rem;
    border: 1px solid var(--border-color);
}

.feature-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.feature-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--brand-blue);
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 50%;
    flex-shrink: 0;
}

.feature-header h3 {
    flex: 1;
    margin: 0;
    font-size: 1.5rem;
    color: white;
}

.feature-status {
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.feature-content {
    padding: 2rem;
}

/* 건물 보안 비유 */
.architecture-diagram {
    background: var(--bg-tertiary);
    padding: 2rem;
    border-radius: var(--radius-md);
    margin-bottom: 2rem;
}

.architecture-diagram h4 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    color: white;
}

.building-layers {
    display: flex;
    gap: 1rem;
    justify-content: space-between;
}

.layer {
    flex: 1;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    text-align: center;
    border: 1px solid var(--border-color);
}

.layer-icon {
    font-size: 2.5rem;
    color: var(--brand-blue);
    margin-bottom: 1rem;
}

.layer h5 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: white;
}

.layer p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* 기술 구현 그리드 */
.technical-details h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: white;
}

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

.tech-card {
    background: var(--bg-tertiary);
    padding: 1.5rem;
    border-radius: var(--radius-md);
}

.tech-card h5 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.125rem;
    margin-bottom: 1rem;
    color: var(--brand-blue);
}

.tech-card ul {
    list-style: none;
    padding: 0;
}

.tech-card li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.tech-card li::before {
    content: '•';
    position: absolute;
    left: 0.5rem;
    color: var(--brand-blue);
}

/* 접근 정책 비교 */
.access-policies {
    margin-top: 2rem;
}

.access-policies h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: white;
}

.policy-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 1.5rem;
}

.policy-env {
    background: var(--bg-tertiary);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.policy-env.stg {
    border-color: rgba(255, 149, 0, 0.3);
}

.policy-env.live {
    border-color: rgba(255, 59, 48, 0.3);
}

.policy-env h5 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.policy-env.stg h5 {
    color: #FF9500;
}

.policy-env.live h5 {
    color: #FF3B30;
}

.policy-env ul {
    list-style: none;
    padding: 0;
}

.policy-env li {
    padding: 0.25rem 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Zero Trust 기능 */
.future-plans {
    margin-top: 2rem;
}

.future-plans h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: white;
}

.zero-trust-features {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.zt-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.zt-feature i {
    color: var(--brand-blue);
}

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

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

/* 반응형 - 보안 체계 섹션 */
@media (max-width: 1024px) {
    .tech-grid {
        grid-template-columns: 1fr 1fr;
    }

    .building-layers {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .core-principle {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
    }

    .core-principle p {
        text-align: center;
    }

    .feature-header {
        flex-direction: column;
        text-align: center;
    }

    .feature-number {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }

    .tech-grid,
    .policy-comparison {
        grid-template-columns: 1fr;
    }

    .building-layers {
        gap: 1rem;
    }

    .zero-trust-features {
        flex-direction: column;
    }

    .zt-feature {
        width: 100%;
        justify-content: center;
    }
}

/* 데이터 격리 아키텍처 추가 스타일 */
.isolation-desc {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.125rem;
    line-height: 1.6;
}

.schema-diagram {
    margin-top: 2rem;
}

.db-container {
    background: rgba(255, 255, 255, 0.03);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
}

.db-container h5 {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--brand-blue);
}

.schema-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.schema-item {
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.schema-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.schema-item i {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--brand-blue);
    display: block;
}

.schema-item.company-a {
    border-top: 3px solid #FF6B6B;
}

.schema-item.company-b {
    border-top: 3px solid #4ECDC4;
}

.schema-item.company-c {
    border-top: 3px solid #45B7D1;
}

.schema-item h6 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: white;
}

.schema-item p {
    color: var(--brand-blue);
    font-family: monospace;
    margin-bottom: 1rem;
}

.schema-item ul {
    list-style: none;
    padding: 0;
    text-align: left;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.schema-item ul li {
    padding: 0.25rem 0;
}

/* 보호 계층 */
.protection-layers {
    margin-top: 3rem;
}

.protection-layers h4 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: white;
}

.protection-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 1.5rem;
}

.protection-card {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all 0.3s ease;
}

.protection-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-3px);
}

.protection-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.protection-card h5 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--brand-blue);
}

.protection-card ul {
    list-style: none;
    padding: 0;
}

.protection-card li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
    position: relative;
    padding-left: 1.5rem;
}

.protection-card li:before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--brand-blue);
}

/* 반응형 - 데이터 격리 */
@media (max-width: 768px) {
    .schema-grid,
    .protection-grid {
        grid-template-columns: 1fr;
    }

    .db-container {
        padding: 1rem;
    }

    .db-container h5 {
        font-size: 1.25rem;
    }
}

/* 암호화 섹션 스타일 */
.encryption-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.encryption-card {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all 0.3s ease;
}

.encryption-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.encryption-card>i {
    font-size: 2.5rem;
    color: var(--brand-blue);
    margin-bottom: 1rem;
    display: block;
    text-align: center;
}

.encryption-card h4 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
    color: white;
}

.encryption-detail h5 {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    color: white;
}

.encryption-item {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-md);
}

.encryption-item:last-child {
    margin-bottom: 0;
}

.encryption-item .label {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(255, 255, 255, 0.15);
    color: #FFFFFF;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    margin-right: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.encryption-item .method {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
}

.encryption-item p {
    margin-top: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
}

.encryption-item code {
    display: block;
    margin-top: 0.5rem;
    padding: 0.5rem;
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-sm);
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    color: #4CD964;
    word-break: break-all;
    overflow-x: auto;
}

/* 반응형 - 암호화 섹션 */
@media (max-width: 1024px) {
    .encryption-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .encryption-card {
        padding: 1.5rem;
    }

    .encryption-card h4 {
        font-size: 1.25rem;
    }

    .encryption-item {
        padding: 0.75rem;
    }

    .encryption-item code {
        font-size: 0.75rem;
    }
}

/* 4. 감사 및 모니터링 시스템 스타일 */
.transparency-box {
    background: rgba(0, 122, 255, 0.1);
    border: 1px solid #007AFF;
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin: 2rem 0;
    text-align: center;
}

.transparency-box i {
    font-size: 2.5rem;
    color: #007AFF;
    margin-bottom: 1rem;
    display: block;
}

.transparency-box h4 {
    color: #007AFF;
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
}

.transparency-box ul {
    list-style: none;
    padding: 0;
    text-align: left;
    max-width: 800px;
    margin: 0 auto;
}

.transparency-box li {
    padding: 0.5rem 0 0.5rem 2rem;
    position: relative;
    color: var(--text-secondary);
    line-height: 1.6;
}

.transparency-box li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #007AFF;
    font-weight: bold;
}

/* 감사 아키텍처 */
.audit-architecture {
    margin-top: 2rem;
}

.audit-architecture h4 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: white;
}

.audit-features {
    display: grid;
    gap: 1.5rem;
}

.audit-feature {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: 2rem;
}

.audit-feature i {
    font-size: 2rem;
    color: var(--brand-blue);
    margin-bottom: 1rem;
    display: block;
}

.audit-feature h5 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: white;
}

.audit-feature ul {
    list-style: none;
    padding: 0;
}

.audit-feature li {
    padding: 0.5rem 0 0.5rem 1.5rem;
    position: relative;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.audit-feature li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--brand-blue);
}

/* 대시보드 미리보기 */
.dashboard-preview {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin: 1.5rem 0;
    font-family: monospace;
}

.dashboard-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.dashboard-header i {
    color: #007AFF;
    font-size: 1.5rem;
}

.dashboard-header h5 {
    margin: 0;
    color: white;
    font-size: 1.125rem;
}

.dashboard-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.dashboard-section h6 {
    color: var(--brand-blue);
    margin-bottom: 1rem;
    font-size: 1rem;
}

.dashboard-section ul {
    list-style: none;
    padding: 0;
}

.dashboard-section li {
    padding: 0.25rem 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
}

/* 변조 방지 시스템 */
.worm-system {
    background: rgba(76, 217, 100, 0.1);
    border: 1px solid #4CD964;
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin: 2rem 0;
}

.worm-system i {
    font-size: 2.5rem;
    color: #4CD964;
    margin-bottom: 1rem;
    display: block;
}

.worm-system h5 {
    color: #4CD964;
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.worm-system ul {
    list-style: none;
    padding: 0;
}

.worm-system li {
    padding: 0.5rem 0 0.5rem 2rem;
    position: relative;
    color: var(--text-secondary);
}

.worm-system li::before {
    content: '🔒';
    position: absolute;
    left: 0;
}

/* 이중 저장 */
.dual-storage {
    margin-top: 2rem;
}

.dual-storage h5 {
    margin-bottom: 1.5rem;
    color: white;
    font-size: 1.125rem;
}

.storage-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.storage-type {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    border: 1px solid var(--border-color);
}

.storage-type i {
    font-size: 2rem;
    color: var(--brand-blue);
    margin-bottom: 1rem;
    display: block;
}

.storage-type h6 {
    margin-bottom: 0.5rem;
    color: white;
    font-size: 1rem;
}

.storage-type p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin: 0;
}

.note {
    text-align: center;
    color: var(--text-tertiary);
    font-style: italic;
    font-size: 0.875rem;
    margin: 1rem 0 0;
}

/* 로그 레벨 */
.log-levels {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.log-level {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: 2rem;
}

.log-level i {
    font-size: 2rem;
    color: var(--brand-blue);
    margin-bottom: 1rem;
    display: block;
}

.log-level h5 {
    margin-bottom: 1rem;
    color: white;
    font-size: 1.125rem;
}

.log-level ul {
    list-style: none;
    padding: 0;
}

.log-level li {
    padding: 0.5rem 0 0.5rem 1.5rem;
    position: relative;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.log-level li::before {
    content: '📝';
    position: absolute;
    left: 0;
}

/* 감사 기록 예시 */
.audit-record {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin: 1.5rem 0;
}

.record-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.record-header i {
    color: #007AFF;
    font-size: 1.5rem;
}

.record-header h5 {
    margin: 0;
    color: white;
    font-size: 1.125rem;
}

.record-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.record-section h6 {
    color: var(--brand-blue);
    margin-bottom: 1rem;
    font-size: 1rem;
}

.record-section ul {
    list-style: none;
    padding: 0;
}

.record-section li {
    padding: 0.25rem 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-family: monospace;
    line-height: 1.5;
}

/* AI 모니터링 */
.ai-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.ai-feature {
    background: rgba(255, 149, 0, 0.1);
    border: 1px solid #FF9500;
    border-radius: var(--radius-lg);
    padding: 2rem;
}

.ai-feature i {
    font-size: 2rem;
    color: #FF9500;
    margin-bottom: 1rem;
    display: block;
}

.ai-feature h5 {
    color: #FF9500;
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.ai-feature ul {
    list-style: none;
    padding: 0;
}

.ai-feature li {
    padding: 0.5rem 0 0.5rem 1.5rem;
    position: relative;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.ai-feature li::before {
    content: '🤖';
    position: absolute;
    left: 0;
}

/* 고객 혜택 */
.customer-benefits {
    background: rgba(76, 217, 100, 0.1);
    border: 1px solid #4CD964;
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-top: 2rem;
}

.customer-benefits h4 {
    color: #4CD964;
    margin-bottom: 1.5rem;
    text-align: center;
    font-size: 1.25rem;
}

.benefit-list {
    list-style: none;
    padding: 0;
}

.benefit-list li {
    padding: 1rem 0 1rem 2rem;
    position: relative;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    line-height: 1.6;
}

.benefit-list li:last-child {
    border-bottom: none;
}

.benefit-list li::before {
    content: '✅';
    position: absolute;
    left: 0;
}

.benefit-list strong {
    color: white;
}

/* 반응형 - 감사 섹션 */
@media (max-width: 768px) {
    .dashboard-content,
    .record-content,
    .log-levels,
    .ai-features,
    .storage-types {
        grid-template-columns: 1fr;
    }

    .transparency-box {
        padding: 1.5rem;
    }

    .dashboard-preview,
    .audit-record {
        padding: 1.5rem;
    }
}

/* 5. 제3자 검증 스타일 */
.certification-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.certification-card {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.certification-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-3px);
}

.certification-card i {
    font-size: 2.5rem;
    color: var(--brand-blue);
    margin-bottom: 1rem;
    display: block;
}

.certification-card h5 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: white;
}

.certification-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.certification-note {
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid #FFC107;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin: 2rem 0;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.certification-note i {
    color: #FFC107;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.certification-note p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 중요성 박스 */
.importance-box {
    background: rgba(0, 122, 255, 0.1);
    border: 1px solid #007AFF;
    border-radius: var(--radius-lg);
    padding: 2rem;
}

.importance-box ul {
    list-style: none;
    padding: 0;
}

.importance-box li {
    padding: 0.5rem 0 0.5rem 2rem;
    position: relative;
    color: var(--text-secondary);
    line-height: 1.6;
}

.importance-box li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #007AFF;
    font-weight: bold;
}

/* 계획 타임라인 */
.plan-timeline {
    display: grid;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.plan-phase {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: 2rem;
    border-left: 4px solid #007AFF;
}

.phase-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.phase-header i {
    color: #007AFF;
    font-size: 1.5rem;
}

.phase-header h5 {
    margin: 0;
    color: white;
    font-size: 1.125rem;
}

.plan-phase ul {
    list-style: none;
    padding: 0;
}

.plan-phase li {
    padding: 0.5rem 0 0.5rem 1.5rem;
    position: relative;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.plan-phase li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: #007AFF;
}

/* 감사 프로그램 */
.audit-type-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.audit-type-header i {
    color: var(--brand-blue);
    font-size: 1.5rem;
}

.audit-type-header h5 {
    margin: 0;
    color: white;
    font-size: 1.125rem;
}

.audit-types {
    display: grid;
    gap: 1.5rem;
}

.audit-type {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: 2rem;
}

.audit-type h6 {
    color: white;
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.audit-type ul {
    list-style: none;
    padding: 0;
}

.audit-type li {
    padding: 0.5rem 0 0.5rem 1.5rem;
    position: relative;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.audit-type li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--brand-blue);
}

/* 프로세스 타임라인 */
.process-timeline {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
}

.process-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.process-header i {
    color: var(--brand-blue);
    font-size: 1.5rem;
}

.process-header h5 {
    margin: 0;
    color: white;
    font-size: 1.125rem;
}

.process-week {
    margin-bottom: 1.5rem;
}

.process-week:last-child {
    margin-bottom: 0;
}

.process-week h6 {
    color: var(--brand-blue);
    margin-bottom: 1rem;
    font-size: 1rem;
}

.process-week ul {
    list-style: none;
    padding: 0;
}

.process-week li {
    padding: 0.25rem 0 0.25rem 1.5rem;
    position: relative;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.process-week li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--brand-blue);
}

/* 비용 및 일정 섹션 */
.cost-section,
.schedule-section {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: 2rem;
}

.cost-section ul,
.schedule-section ul {
    list-style: none;
    padding: 0;
}

.cost-section li,
.schedule-section li {
    padding: 0.5rem 0 0.5rem 1.5rem;
    position: relative;
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
}

.cost-section li::before,
.schedule-section li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #FF6B35;
}

/* 현재 상황 경고 박스 */
.status-warning {
    background: rgba(255, 59, 48, 0.1);
    border: 1px solid #FF3B30;
    border-radius: var(--radius-lg);
    padding: 2rem;
}

.status-warning ul {
    list-style: none;
    padding: 0;
}

.status-warning li {
    padding: 0.5rem 0 0.5rem 1.5rem;
    position: relative;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.status-warning li::before {
    content: '⚠️';
    position: absolute;
    left: 0;
}

/* 시작 이유 박스 */
.start-reason {
    background: rgba(0, 122, 255, 0.1);
    border: 1px solid #007AFF;
    border-radius: var(--radius-lg);
    padding: 2rem;
}

.start-reason ul {
    list-style: none;
    padding: 0;
}

.start-reason li {
    padding: 0.5rem 0 0.5rem 1.5rem;
    position: relative;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.start-reason li::before {
    content: '🎯';
    position: absolute;
    left: 0;
}

/* 반응형 - 제3자 검증 섹션 */
@media (max-width: 768px) {
    .certification-grid,
    .audit-types {
        grid-template-columns: 1fr;
    }

    .certification-note {
        flex-direction: column;
        text-align: center;
    }

    .phase-header {
        flex-direction: column;
        text-align: center;
    }

    .phase-header h5 {
        text-align: left;
        width: 100%;
    }
}

/* 고객 Q&A 섹션 */
.customer-qa {
    background: #252833;
    padding: 5rem 0;
}

.qa-content {
    max-width: 1200px;
    margin: 0 auto;
}

.qa-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3rem;
}

.qa-item h3 {
    color: #FF9500;
    margin-bottom: 2rem;
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
}

.answer h4 {
    color: #4CD964;
    margin-bottom: 3rem;
    font-size: 1.25rem;
    font-weight: 600;
    text-align: center;
}

/* 보안 레이어 스타일 */
.security-layers {
    display: grid;
    gap: 2rem;
    margin-bottom: 3rem;
}

.security-layer {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.security-layer:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border-color: var(--brand-blue);
}

.layer-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid var(--border-color);
}

.layer-number {
    width: 50px;
    height: 50px;
    background: var(--brand-blue);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.layer-header i {
    font-size: 2rem;
    color: var(--brand-blue);
}

.layer-header h5 {
    flex: 1;
    margin: 0;
    font-size: 1.25rem;
    color: white;
    font-weight: 600;
}

.layer-content {
    padding: 2rem;
}

.main-point {
    font-size: 1.125rem;
    color: white;
    margin-bottom: 1.5rem;
    line-height: 1.6;
    font-weight: 500;
}

.main-point strong {
    color: #FF6B35;
    font-weight: 700;
}

.detail-points {
    list-style: none;
    padding: 0;
    margin: 0;
}

.detail-points li {
    padding: 0.75rem 0 0.75rem 2rem;
    position: relative;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.detail-points li:last-child {
    border-bottom: none;
}

.detail-points li::before {
    content: '▸';
    position: absolute;
    left: 0.5rem;
    color: var(--brand-blue);
    font-weight: bold;
}

/* 최종 메시지 */
.final-message {
    background: linear-gradient(135deg, rgba(66, 133, 244, 0.1), rgba(76, 217, 100, 0.1));
    border: 2px solid var(--brand-blue);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.message-icon {
    flex-shrink: 0;
}

.message-icon i {
    font-size: 3rem;
    color: var(--brand-blue);
}

.message-content h5 {
    font-size: 1.5rem;
    color: white;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.message-content h5 span {
    color: #FF6B35;
    text-decoration: underline;
}

.message-content p {
    color: var(--text-secondary);
    font-size: 1rem;
    margin: 0;
    line-height: 1.6;
}

/* 반응형 - Q&A 섹션 */
@media (max-width: 768px) {
    .customer-qa {
        padding: 3rem 0;
    }

    .qa-item {
        padding: 2rem;
    }

    .qa-item h3 {
        font-size: 1.25rem;
    }

    .layer-header {
        flex-wrap: wrap;
        text-align: center;
        justify-content: center;
        gap: 1rem;
    }

    .layer-header h5 {
        width: 100%;
        text-align: center;
    }

    .final-message {
        flex-direction: column;
        text-align: center;
    }

    .message-content h5 {
        font-size: 1.25rem;
    }
}

/* 보안 문의 섹션 */
.security-contact {
    position: relative;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    padding: 6rem 0;
    overflow: hidden;
}

.security-contact canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.contact-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

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

.contact-content p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 3rem;
}

.contact-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* 반응형 - 보안 문의 섹션 */
@media (max-width: 768px) {
    .security-contact {
        padding: 4rem 0;
    }

    .contact-content h2 {
        font-size: 1.75rem;
    }

    .contact-content p {
        font-size: 1rem;
    }

    .contact-buttons {
        flex-direction: column;
        align-items: center;
    }

    .contact-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
}