:root {
            --primary-dark: rgb(15, 23, 42);
            --primary-blue: rgb(37, 99, 235);
            --primary-cerulean: rgb(30, 64, 175);
            --primary-light: rgb(96, 165, 250);
            --accent-purple: rgb(139, 92, 246);
            --white: #ffffff;
            --light-gray: #f8fafc;
            --mid-gray: #e2e8f0;
            --text-dark: #1e293b;
            --text-light: #64748b;
            --text-muted: #94a3b8;
            --border-light: rgba(148, 163, 184, 0.2);
            --shadow-soft: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
            --shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --shadow-large: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            line-height: 1.6;
            color: var(--text-dark);
            overflow-x: hidden;
            font-weight: 400;
            letter-spacing: -0.01em;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header */
        header {
            background: rgba(255, 255, 255, 0.95);
            padding: 1rem 0;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-soft);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

.nav-console {
    color: var(--accent-purple) !important;
}

.nav-console:hover {
    color: var(--primary-dark) !important;
}

.nav-contact {
    color: var(--primary-blue) !important;
}

.nav-contact:hover {
    color: var(--primary-cerulean) !important;
}
        .logo {
            display: flex;
            height: 48px;
            align-items: center;
        }

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

        .nav-links a {
            color: var(--text-dark);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.9rem;
            transition: all 0.2s ease;
            position: relative;
            padding: 0.5rem 0;
        }

        .nav-links a:hover {
            color: var(--primary-blue);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 0;
            background: var(--primary-blue);
            transition: width 0.2s ease;
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-cerulean) 100%);
            color: var(--white);
            padding: 180px 0 140px;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: 
                radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.4) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(96, 165, 250, 0.3) 0%, transparent 50%),
                radial-gradient(circle at 40% 40%, rgba(139, 92, 246, 0.2) 0%, transparent 50%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            font-weight: 800;
            line-height: 1.1;
            letter-spacing: -0.02em;
        }

        .hero-subtitle {
            font-size: 1.25rem;
            margin-bottom: 3rem;
            opacity: 0.9;
            line-height: 1.6;
            font-weight: 400;
            color: rgba(255, 255, 255, 0.9);
        }

        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 3rem;
            margin-bottom: 3rem;
            flex-wrap: wrap;
        }

        .hero-stat {
            text-align: center;
        }

        .hero-stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-light);
            display: block;
            letter-spacing: -0.02em;
        }

        .hero-stat-label {
            font-size: 0.9rem;
            opacity: 0.8;
            margin-top: 0.5rem;
        }

        .cta-group {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .cta-button {
            margin-top: auto; /* 버튼을 맨 아래로 밀어냄 */
            display: inline-block;
            background: var(--primary-blue);
            color: var(--white);
            padding: 18px 32px;
            border: none;
            border-radius: 12px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.2s ease;
            box-shadow: var(--shadow-medium);
            letter-spacing: -0.01em;
            cursor: pointer;
        }

        .cta-button:hover {
            background: var(--primary-cerulean);
            transform: translateY(-2px);
            box-shadow: var(--shadow-large);
        }

        .cta-secondary {
            display: inline-block;
            background: transparent;
            color: var(--white);
            padding: 18px 32px;
            border: 2px solid rgba(255, 255, 255, 0.8);
            border-radius: 12px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.2s ease;
            letter-spacing: -0.01em;
        }

        .cta-secondary:hover {
            background: var(--white);
            color: var(--primary-dark);
            border-color: var(--white);
        }

        /* Projects Showcase */
        .projects-showcase {
            background: var(--white);
            padding: 100px 0;
            text-align: center;
            border-bottom: 1px solid var(--border-light);
        }

        .projects-showcase h2 {
            font-size: 1.5rem;
            color: var(--text-dark);
            margin-bottom: 1rem;
            font-weight: 700;
            letter-spacing: -0.01em;
        }

        .projects-showcase .section-subtitle {
            color: var(--text-light);
            margin-bottom: 3rem;
            font-size: 1.1rem;
        }
/* PWC 스타일 캐러셀 - 고급스러운 버전 */
.carousel-container {
    position: relative;
    height: 600px;
    overflow: hidden;
    border-radius: 16px;
    margin: 3rem 0;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.carousel-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
}

.carousel-slide.active {
    opacity: 1;
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(51, 65, 85, 0.88) 0%,
        rgba(30, 41, 59, 0.82) 100%
    );

    display: flex;
    align-items: center;
    padding: 0 8%;
}

.slide-content {
    max-width: 650px;
    color: var(--white);
    z-index: 2;
      text-align: left; /* 이 부분을 추가하거나 수정 */

}

.company-logo {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    opacity: 0.85;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.slide-content h3 {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 2rem;
    line-height: 1.15;
    letter-spacing: -0.025em;
}

.slide-content p {
    font-size: 1.25rem;
    line-height: 1.65;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    font-weight: 400;
}

.project-author {
    font-size: 1rem;
    font-weight: 500;
    opacity: 0.75;
    letter-spacing: 0.25px;
}

/* 캐러셀 도트 네비게이션 - 더 세련되게 */
.carousel-dots {
    position: absolute;
    bottom: 35px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 16px;
    z-index: 10;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.35);
    cursor: pointer;
    transition: all 0.4s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.dot.active {
    background: var(--white);
    transform: scale(1.3);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.4);
}

.dot:hover {
    background: rgba(255, 255, 255, 0.65);
    transform: scale(1.1);
}

/* 반응형 */
@media (max-width: 768px) {
    .carousel-container {
        height: 500px;
        margin: 2rem 0;
    }
    
    .slide-overlay {
        padding: 0 6%;
    }
    
    .slide-content h3 {
        font-size: 2.2rem;
    }
    
    .slide-content p {
        font-size: 1.15rem;
    }
}

@media (max-width: 480px) {
    .carousel-container {
        height: 450px;
    }
    
    .slide-overlay {
        padding: 0 5%;
    }
    
    .slide-content h3 {
        font-size: 1.8rem;
    }
    
    .slide-content p {
        font-size: 1.05rem;
    }
    
    .company-logo {
        font-size: 1rem;
    }
}
        /* Key Stats */
        .key-stats {
            background: var(--light-gray);
            padding: 120px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
        }

        .stat-card {
            background: var(--white);
            padding: 3rem 2rem;
            border-radius: 20px;
            text-align: center;
            box-shadow: var(--shadow-soft);
            transition: all 0.3s ease;
            border: 1px solid var(--border-light);
        }

        .stat-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-large);
        }

        .stat-icon {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, var(--primary-blue), var(--primary-light));
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            font-size: 2rem;
        }

        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary-dark);
            margin-bottom: 0.5rem;
            line-height: 1;
            letter-spacing: -0.02em;
        }

        .stat-label {
            font-size: 1.1rem;
            color: var(--text-light);
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .stat-description {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 1rem;
            line-height: 1.5;
        }

        /* Section Styles */
        .section {
            padding: 120px 0;
        }

        .section-title {
            text-align: center;
            font-size: 2.75rem;
            margin-bottom: 1rem;
            color: var(--primary-dark);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.1;
        }

        .section-subtitle {
            text-align: center;
            font-size: 1.2rem;
            color: var(--text-light);
            margin-bottom: 4rem;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
            font-weight: 400;
        }

        /* Features Grid */
        .features {
            background: var(--white);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
        }

        .feature-card {
            background: var(--white);
            padding: 2.5rem;
            border-radius: 20px;
            border: 1px solid var(--border-light);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-soft);
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-blue), var(--primary-light));
        }

        .feature-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-large);
        }

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

        .feature-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--primary-blue), var(--primary-light));
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 1rem;
            font-size: 1.5rem;
        }

        .feature-title {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: -0.01em;
        }

        .feature-description {
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }

        .feature-benefits {
            list-style: none;
        }

        .feature-benefits li {
            color: var(--text-light);
            margin-bottom: 0.5rem;
            position: relative;
            padding-left: 1.5rem;
            font-size: 0.95rem;
        }

        .feature-benefits li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--primary-blue);
            font-weight: bold;
        }

        /* Live Demo Section */
        .live-demo {
            background: var(--light-gray);
        }

        .demo-container {
            background: var(--white);
            border-radius: 20px;
            box-shadow: var(--shadow-large);
            overflow: hidden;
            margin-top: 3rem;
        }

        .demo-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            min-height: 700px;
        }

        .demo-survey-panel {
            padding: 2.5rem;
            border-right: 1px solid var(--border-light);
            background: var(--white);
        }

        .demo-results-panel {
            padding: 2.5rem;
            background: rgba(37, 99, 235, 0.02);
        }

        /* Survey Panel Styles */
        .survey-header h3 {
            color: var(--primary-dark);
            margin-bottom: 1rem;
            font-size: 1.4rem;
            font-weight: 700;
        }

        .survey-info {
            display: flex;
            gap: 1rem;
            margin-bottom: 2rem;
        }

        .survey-info span {
            padding: 0.5rem 1rem;
            background: rgba(37, 99, 235, 0.1);
            border-radius: 20px;
            font-size: 0.9rem;
            color: var(--primary-blue);
            font-weight: 500;
        }

        .question-container {
            margin-bottom: 2rem;
            padding: 2rem;
            background: var(--light-gray);
            border-radius: 16px;
        }

        .question-title h4 {
            color: var(--primary-dark);
            margin-bottom: 1.5rem;
            font-size: 1.2rem;
            font-weight: 600;
            line-height: 1.4;
        }

        .question-options {
            display: grid;
            gap: 0.75rem;
        }

        .option {
            background: var(--white);
            padding: 1rem 1.25rem;
            border-radius: 12px;
            border: 2px solid var(--border-light);
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
        }

        .option:hover {
            border-color: var(--primary-blue);
            background: rgba(37, 99, 235, 0.05);
            transform: translateX(5px);
        }

        .option.selected {
            background: var(--primary-blue);
            color: var(--white);
            border-color: var(--primary-blue);
        }

        .option-text {
            font-weight: 500;
        }

        .ai-status {
            background: rgba(37, 99, 235, 0.05);
            padding: 1.5rem;
            border-radius: 16px;
        }

        .ai-status h4 {
            color: var(--primary-dark);
            margin-bottom: 1rem;
            font-weight: 600;
        }

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

        .status-item {
            text-align: center;
            padding: 1rem;
            background: var(--white);
            border-radius: 12px;
        }

        .status-label {
            display: block;
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 0.5rem;
        }

        .status-value {
            display: block;
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary-blue);
        }

        /* Results Panel Styles */
        .results-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
        }

        .results-header h3 {
            color: var(--primary-dark);
            font-size: 1.4rem;
            font-weight: 700;
        }

        .result-section {
            margin-bottom: 2rem;
        }

        .result-section h4 {
            color: var(--primary-dark);
            margin-bottom: 1rem;
            font-weight: 600;
        }

        .response-chart {
            background: var(--light-gray);
            padding: 1.5rem;
            border-radius: 12px;
        }

        .chart-bar {
            display: flex;
            align-items: center;
            margin-bottom: 1rem;
            gap: 1rem;
        }

        .chart-bar:last-child {
            margin-bottom: 0;
        }

        .bar-label {
            min-width: 100px;
            font-size: 0.9rem;
            color: var(--text-light);
            font-weight: 500;
        }

        .bar-container {
            flex: 1;
            height: 20px;
            background: rgba(37, 99, 235, 0.1);
            border-radius: 10px;
            overflow: hidden;
            position: relative;
        }

        .bar-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--primary-blue), var(--primary-light));
            width: 0%;
            transition: width 1s ease;
            display: flex;
            align-items: center;
            justify-content: flex-end;
            padding-right: 0.5rem;
            border-radius: 10px;
        }

        .demo-results-panel .bar-fill {
            transition: width 1.5s ease;
        }

        .bar-percentage {
            color: var(--white);
            font-size: 0.8rem;
            font-weight: 600;
        }

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

        .demo-stat {
            background: var(--light-gray);
            padding: 1.5rem;
            border-radius: 12px;
        }

        .stat-label {
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 1rem;
            display: block;
        }

        .stat-breakdown {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .stat-breakdown span {
            display: flex;
            justify-content: space-between;
            font-size: 0.9rem;
            color: var(--text-light);
        }

        .stat-breakdown span span {
            font-weight: 600;
            color: var(--primary-blue);
        }

        /* Use Cases - Industry Showcase */
        .use-cases {
            background: var(--primary-dark);
            color: var(--white);
            position: relative;
            overflow: hidden;
        }

        .use-cases::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: 
                radial-gradient(circle at 20% 30%, rgba(37, 99, 235, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 70%, rgba(96, 165, 250, 0.1) 0%, transparent 50%);
        }

        .use-cases .container {
            position: relative;
            z-index: 2;
        }

        .use-cases .section-title,
        .use-cases .section-subtitle {
            color: var(--white);
        }

        .use-cases .section-subtitle {
            opacity: 0.9;
        }

        .industries-showcase {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 3rem;
            margin-top: 4rem;
        }

        .industry-card {
            position: relative;
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 20px;
            padding: 3rem;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .industry-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--primary-blue);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .industry-card:hover::before {
            opacity: 0.1;
        }

        .industry-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
        }

        .industry-header {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            margin-bottom: 2rem;
        }

        .industry-icon {
            font-size: 3rem;
            margin-right: 1.5rem;
            opacity: 0.9;
        }

        .industry-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--white);
            line-height: 1.2;
        }

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

        .industry-description {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.05rem;
            line-height: 1.7;
            margin-bottom: 2rem;
        }

        .industry-examples {
            list-style: none;
        }

        .industry-examples li {
            color: rgba(255, 255, 255, 0.9);
            padding: 0.75rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            position: relative;
            padding-left: 1.5rem;
            font-size: 0.95rem;
        }

        .industry-examples li::before {
            content: '→';
            position: absolute;
            left: 0;
            color: var(--primary-light);
            font-weight: bold;
        }

        .industry-examples li:last-child {
            border-bottom: none;
        }

        /* Technology Section */
        .technology {
            background: var(--white);
        }

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

        .tech-details h3 {
            font-size: 2rem;
            color: var(--primary-dark);
            margin-bottom: 1.5rem;
            font-weight: 700;
            letter-spacing: -0.01em;
        }

        .tech-details p {
            color: var(--text-light);
            margin-bottom: 2rem;
            line-height: 1.7;
            font-size: 1.05rem;
        }

        .tech-features {
            list-style: none;
            margin-bottom: 2rem;
        }

        .tech-features li {
            padding: 1rem 0;
            border-bottom: 1px solid var(--border-light);
            position: relative;
            padding-left: 2rem;
            color: var(--text-light);
        }

        .tech-features li::before {
            content: '▶';
            position: absolute;
            left: 0;
            color: var(--primary-blue);
            font-size: 0.8rem;
        }

        .tech-features li:last-child {
            border-bottom: none;
        }

        .accuracy-demo {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary-cerulean));
            color: var(--white);
            padding: 3rem;
            border-radius: 20px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .accuracy-demo::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(96, 165, 250, 0.1) 0%, transparent 70%);
            animation: rotate 20s linear infinite;
        }

        @keyframes rotate {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .accuracy-circle {
            position: relative;
            z-index: 2;
            width: 180px;
            height: 180px;
            border: 6px solid rgba(96, 165, 250, 0.3);
            border-radius: 50%;
            margin: 0 auto 2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.5rem;
            font-weight: 800;
            position: relative;
        }

        .accuracy-circle::after {
            content: '';
            position: absolute;
            top: -6px;
            left: -6px;
            right: -6px;
            bottom: -6px;
            border: 6px solid transparent;
            border-top-color: var(--primary-light);
            border-radius: 50%;
            animation: spin 3s linear infinite;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            75% { transform: rotate(270deg); }
            100% { transform: rotate(270deg); }
        }

        /* Process Section */
        .process {
            background: var(--light-gray);
        }

        .process-timeline {
            position: relative;
            margin: 3rem 0;
        }

        .process-timeline::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 2px;
            height: 100%;
            background: var(--primary-light);
        }

        .process-step {
            display: flex;
            align-items: center;
            margin-bottom: 4rem;
            position: relative;
        }

        .process-step:nth-child(even) {
            flex-direction: row-reverse;
        }

        .step-content {
            background: var(--white);
            padding: 2.5rem;
            border-radius: 16px;
            box-shadow: var(--shadow-soft);
            width: 45%;
            position: relative;
        }

        .step-number {
            position: absolute;
            left: 50%;
            top: 50%;
            transform: translate(-50%, -50%);
            width: 60px;
            height: 60px;
            background: var(--primary-blue);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.5rem;
            z-index: 3;
        }

        .step-title {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 1rem;
            letter-spacing: -0.01em;
        }

        .step-description {
            color: var(--text-light);
            line-height: 1.6;
        }

        /* Testimonials */
        .testimonials {
            background: var(--white);
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
        }

        .testimonial {
            background: var(--light-gray);
            padding: 2.5rem;
            border-radius: 16px;
            position: relative;
        }

        .testimonial::before {
            content: '"';
            position: absolute;
            top: 1rem;
            left: 2rem;
            font-size: 4rem;
            color: var(--primary-light);
            font-family: serif;
        }

        .testimonial-content {
            font-style: italic;
            color: var(--text-dark);
            margin-bottom: 2rem;
            line-height: 1.7;
            padding-top: 1rem;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .author-avatar {
            width: 50px;
            height: 50px;
            background: var(--primary-blue);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-weight: 600;
        }

        .author-info h4 {
            color: var(--primary-dark);
            font-weight: 600;
            margin-bottom: 0.25rem;
        }

        .author-info p {
            color: var(--text-light);
            font-size: 0.9rem;
        }

        /* Pricing */
        .pricing {
            background: var(--light-gray);
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

    .pricing-card {
        background: var(--white);
        padding: 3rem 2rem;
        border-radius: 16px;
        text-align: center;
        position: relative;
        box-shadow: var(--shadow-soft);
        transition: all 0.3s ease;
        border: 1px solid var(--border-light);
        display: flex;
        flex-direction: column;
        min-height: 500px; /* 최소 높이 설정 */
    }

        .pricing-card.popular {
            border: 2px solid var(--primary-blue);
            transform: scale(1.05);
        }

        .pricing-card.popular::before {
            content: '가장 인기';
            position: absolute;
            top: -10px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary-blue);
            color: var(--white);
            padding: 0.5rem 2rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
        }

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

        .pricing-card.popular:hover {
            transform: translateY(-5px) scale(1.05);
        }

        .plan-name {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 1rem;
        }

        .plan-price {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary-blue);
            margin-bottom: 0.5rem;
            letter-spacing: -0.02em;
        }

        .plan-period {
            color: var(--text-light);
            margin-bottom: 2rem;
        }


        .plan-features {
            list-style: none;
            margin-bottom: 2rem;
            flex: 1; /* 남은 공간을 모두 차지 */
        }

        .plan-features li {
            padding: 0.75rem 0;
            color: var(--text-light);
            border-bottom: 1px solid var(--border-light);
            position: relative;
            padding-left: 1.5rem;
        }

        .plan-features li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--primary-blue);
            font-weight: bold;
        }

        .plan-features li:last-child {
            border-bottom: none;
        }

        /* FAQ */
        .faq {
            background: var(--white);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-light);
            margin-bottom: 1rem;
        }

        .faq-question {
            padding: 2rem 0;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: var(--primary-dark);
            font-size: 1.1rem;
        }

        .faq-question:hover {
            color: var(--primary-blue);
        }

        .faq-answer {
            padding-bottom: 2rem;
            color: var(--text-light);
            line-height: 1.7;
            display: none;
        }

        .faq-answer.active {
            display: block;
        }

        .faq-toggle {
            font-size: 1.5rem;
            color: var(--primary-blue);
            transition: transform 0.3s ease;
        }

        .faq-item.active .faq-toggle {
            transform: rotate(45deg);
        }

        /* Final CTA */
        .final-cta {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-cerulean) 100%);
            color: var(--white);
            padding: 100px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .final-cta::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 70% 30%, rgba(37, 99, 235, 0.3) 0%, transparent 50%);
        }

        .final-cta-content {
            position: relative;
            z-index: 2;
            max-width: 600px;
            margin: 0 auto;
        }

        .final-cta h2 {
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
        }

        .final-cta p {
            font-size: 1.2rem;
            margin-bottom: 3rem;
            opacity: 0.9;
            line-height: 1.6;
        }

        /* Footer */
        footer {
            background: var(--primary-dark);
            color: var(--white);
            padding: 60px 0 30px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .footer-section h3 {
            margin-bottom: 1.5rem;
            color: var(--primary-light);
            font-weight: 700;
        }

        .footer-section p, 
        .footer-section a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            margin-bottom: 0.75rem;
            display: block;
            line-height: 1.6;
        }

        .footer-section a:hover {
            color: var(--primary-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 2rem;
            text-align: center;
            color: rgba(255, 255, 255, 0.6);
        }

        /* Responsive */
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }

            .hero {
                padding: 160px 0 120px;
            }

            .hero h1 {
                font-size: 2.75rem;
            }

            .hero-stats {
                gap: 2rem;
                flex-direction: column;
            }

            .nav-links {
                display: none;
            }

            .tech-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .process-timeline::before {
                left: 30px;
            }

            .process-step {
                flex-direction: row !important;
            }

            .step-content {
                width: calc(100% - 100px);
                margin-left: 70px;
            }

            .step-number {
                left: 30px;
            }

            .section-title {
                font-size: 2.2rem;
            }

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

            /* Industries showcase responsive */
            .industries-showcase {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .industry-card {
                padding: 2rem;
            }

            .industry-title {
                font-size: 1.5rem;
            }

            .industry-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 1rem;
            }

            .industry-icon {
                font-size: 2.5rem;
                margin-right: 0;
            }

            /* Projects showcase responsive */
            .projects-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .project-card {
                height: 240px;
            }

            .project-info h3 {
                font-size: 1.5rem;
            }

            .project-details {
                flex-direction: row;
                justify-content: space-between;
                gap: 1rem;
            }

            /* Demo responsive */
            .demo-layout {
                grid-template-columns: 1fr;
            }

            .demo-survey-panel {
                border-right: none;
                border-bottom: 1px solid var(--border-light);
            }

            .status-grid {
                grid-template-columns: 1fr;
                gap: 0.75rem;
            }

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

            .chart-bar {
                flex-direction: column;
                align-items: stretch;
                gap: 0.5rem;
            }

            .bar-label {
                min-width: auto;
                text-align: center;
            }

            .results-header {
                flex-direction: column;
                gap: 1rem;
                align-items: stretch;
            }

            .stats-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }

        @media (max-width: 480px) {
            .hero h1 {
                font-size: 2.25rem;
            }

            .hero-subtitle {
                font-size: 1.1rem;
            }
        }

        /* Animations */
        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s ease;
        }

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

        .slide-in-left {
            opacity: 0;
            transform: translateX(-50px);
            transition: all 0.8s ease;
        }

        .slide-in-left.visible {
            opacity: 1;
            transform: translateX(0);
        }

        .slide-in-right {
            opacity: 0;
            transform: translateX(50px);
            transition: all 0.8s ease;
        }

        .slide-in-right.visible {
            opacity: 1;
            transform: translateX(0);
        }

            /* AI Panel Gallery Section */
.ai-panel-gallery {
    background: var(--light-gray);
    position: relative;
    overflow: hidden;
}

.ai-panel-gallery::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 15% 25%, rgba(37, 99, 235, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 85% 75%, rgba(139, 92, 246, 0.03) 0%, transparent 50%);
}

.ai-panel-gallery .container {
    position: relative;
    z-index: 2;
}

/* Panel Stats Overview */
.panel-stats-overview {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 3rem 0 4rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.stat-highlight {
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
    border: 1px solid var(--border-light);
}

.stat-highlight:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.stat-icon {
    font-size: 2.5rem;
    opacity: 0.8;
}

.stat-content {
    text-align: left;
}

.stat-highlight .stat-number {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-blue);
    line-height: 1;
    margin-bottom: 0.25rem;
    letter-spacing: -0.01em;
}

.stat-highlight .stat-label {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 600;
}

/* Panel Showcase */
.panel-showcase {
    background: var(--white);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: var(--shadow-medium);
    margin: 3rem 0;
}

.showcase-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-light);
}

.showcase-header h3 {
    font-size: 1.5rem;
    color: var(--primary-dark);
    font-weight: 700;
    margin: 0;
}

/* Filter Controls */
.filter-controls {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-light);
    background: var(--white);
    color: var(--text-light);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-btn:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

.filter-btn.active {
    background: var(--primary-blue);
    color: var(--white);
    border-color: var(--primary-blue);
}

/* Panel Grid */
.panel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.panel-card {
    background: var(--white);
    border-radius: 16px;
    padding: 1.5rem;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
    opacity: 1;
    transform: scale(1);
    position: relative;
}

.panel-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-large);
    border-color: var(--primary-blue);
}

.panel-card.hiding {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
}

.panel-card.showing {
    opacity: 1;
    transform: scale(1);
}

/* Panel Image */
.panel-image {
    position: relative;
    margin-bottom: 1rem;
}

.panel-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
    margin: 0 auto;
    position: relative;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.panel-status {
    position: absolute;
    bottom: 5px;
    right: 5px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 3px solid var(--white);
}

.panel-status.online {
    background: #22c55e;
    animation: pulse-status 2s infinite;
}

@keyframes pulse-status {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* Panel Info */
.panel-info {
    text-align: center;
}

.panel-info h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 0.75rem;
}

.panel-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tag {
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-blue);
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.panel-details {
    text-align: left;
    background: var(--light-gray);
    border-radius: 8px;
    padding: 1rem;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.detail-row:last-child {
    margin-bottom: 0;
}

.detail-row .label {
    font-weight: 600;
    color: var(--text-dark);
    min-width: 50px;
}

.detail-row .value {
    color: var(--text-light);
    text-align: right;
    flex: 1;
    margin-left: 1rem;
}

/* Load More Section */
.load-more-section {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-light);
}

.load-more-btn {
    background: var(--primary-blue);
    color: var(--white);
    border: none;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: 1rem;
}

.load-more-btn:hover {
    background: var(--primary-cerulean);
    transform: translateY(-2px);
}

.panel-count {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

/* Panel Features */
.panel-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.feature-highlight {
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.feature-highlight:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.feature-highlight .feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.feature-highlight h4 {
    font-size: 1.2rem;
    color: var(--primary-dark);
    margin-bottom: 1rem;
    font-weight: 700;
}

.feature-highlight p {
    color: var(--text-light);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .panel-stats-overview {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .stat-highlight {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .stat-content {
        text-align: center;
    }
    
    .showcase-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .filter-controls {
        justify-content: center;
    }
    
    .panel-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .panel-features {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .panel-showcase {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .filter-controls {
        grid-template-columns: repeat(2, 1fr);
        display: grid;
        gap: 0.5rem;
    }
    
    .filter-btn {
        text-align: center;
    }
    
    .panel-details {
        padding: 0.75rem;
    }
    
    .detail-row {
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .detail-row .value {
        text-align: left;
        margin-left: 0;
    }
} 

/* Algorithm Flow Section */
.algorithm-flow {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
    overflow: hidden;
}

.algorithm-flow::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(37, 99, 235, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
}

.algorithm-container {
    position: relative;
    z-index: 2;
    margin: 4rem 0;
}

.algorithm-step {
    display: flex;
    align-items: center;
    margin-bottom: 4rem;
    position: relative;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.algorithm-step.visible {
    opacity: 1;
    transform: translateY(0);
}

.algorithm-step:nth-child(even) {
    flex-direction: row-reverse;
}

.algorithm-step:nth-child(even) .flow-arrow {
    transform: scaleX(-1);
}

.step-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    padding: 2rem;
}

.step-info {
    flex: 1;
    padding: 2rem;
}

.step-info h3 {
    font-size: 1.8rem;
    color: var(--primary-dark);
    margin-bottom: 1rem;
    font-weight: 700;
}

.step-info p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.step-stats {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.step-stats span {
    background: var(--primary-blue);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.flow-arrow {
    position: absolute;
    right: -30px;
    font-size: 2rem;
    color: var(--primary-blue);
    font-weight: bold;
    z-index: 3;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.7; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
}

/* Step 1: 데이터 수집 */
.data-sources {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    max-width: 400px;
}

.data-source {
    background: white;
    padding: 1.5rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-soft);
    border: 2px solid transparent;
    transition: all 0.3s ease;
    cursor: pointer;
}

.data-source:hover {
    border-color: var(--primary-blue);
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.data-source.active {
    border-color: var(--primary-blue);
    background: rgba(37, 99, 235, 0.05);
}

.source-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    display: block;
}

.data-source span {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.9rem;
}

/* Step 2: 데이터 처리 */
.data-processing {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 300px;
}

.processing-layer {
    background: white;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateX(-30px);
}

.processing-layer.active {
    opacity: 1;
    transform: translateX(0);
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-light));
    color: white;
}

.layer-icon {
    font-size: 1.5rem;
}

.processing-layer span {
    font-weight: 600;
}

/* Step 3: AI 패널 생성 */
.persona-factory {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-medium);
    max-width: 450px;
    position: relative;
}

.factory-input {
    margin-bottom: 1.5rem;
}

.input-param {
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-blue);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-block;
    margin-right: 0.5rem;
}

.factory-core {
    text-align: center;
    margin: 1.5rem 0;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-cerulean));
    border-radius: 16px;
    color: white;
}

.ai-brain {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    display: block;
    animation: brainPulse 2s infinite;
}

@keyframes brainPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.factory-core span {
    font-weight: 700;
    font-size: 1.1rem;
}

.factory-output {
    display: flex;
    justify-content: space-between;
    gap: 0.5rem;
}

.generated-panel {
    background: var(--light-gray);
    padding: 1rem;
    border-radius: 12px;
    text-align: center;
    flex: 1;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.generated-panel.visible {
    opacity: 1;
    transform: translateY(0);
}

.panel-avatar {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.generated-panel span {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-dark);
}

/* Step 4: 설문 진행 */
.survey-execution {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-medium);
    max-width: 400px;
}

.survey-question {
    text-align: center;
    margin-bottom: 2rem;
}

.question-bubble {
    background: var(--primary-blue);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 20px;
    display: inline-block;
    position: relative;
}

.question-bubble::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid var(--primary-blue);
}

.ai-responses {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.response-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.5s ease;
}

.response-item.visible {
    opacity: 1;
    transform: translateX(0);
}

.responder {
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light-gray);
    border-radius: 50%;
}

.response-bubble {
    background: var(--light-gray);
    padding: 0.75rem 1rem;
    border-radius: 12px;
    font-size: 0.9rem;
    color: var(--text-dark);
    flex: 1;
}

/* Step 5: 결과 분석 */
.results-analysis {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-medium);
    max-width: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.raw-data {
    width: 100%;
}

.data-stream {
    display: flex;
    justify-content: space-between;
    padding: 1rem;
    background: var(--light-gray);
    border-radius: 12px;
}

.data-point {
    font-size: 1.5rem;
    animation: dataFlow 2s infinite;
}

.data-point:nth-child(2) { animation-delay: 0.5s; }
.data-point:nth-child(3) { animation-delay: 1s; }
.data-point:nth-child(4) { animation-delay: 1.5s; }

@keyframes dataFlow {
    0%, 100% { opacity: 0.3; transform: scale(0.8); }
    50% { opacity: 1; transform: scale(1.1); }
}

.analysis-engine {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-cerulean));
    color: white;
    padding: 1rem 2rem;
    border-radius: 16px;
    text-align: center;
}

.engine-core {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    display: block;
    animation: spin 3s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.analysis-engine span {
    font-weight: 700;
}

.final-report {
    display: flex;
    gap: 1rem;
    width: 100%;
    justify-content: center;
}

.final-report > div {
    background: var(--light-gray);
    padding: 1rem;
    border-radius: 12px;
    text-align: center;
    font-size: 1.5rem;
    flex: 1;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.final-report > div.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 기술 특징 하이라이트 */
.tech-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
    position: relative;
    z-index: 2;
}

.highlight-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
    border: 1px solid var(--border-light);
}

.highlight-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-large);
}

.highlight-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.highlight-card h4 {
    font-size: 1.2rem;
    color: var(--primary-dark);
    margin-bottom: 1rem;
    font-weight: 700;
}

.highlight-card p {
    color: var(--text-light);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* 반응형 */
@media (max-width: 768px) {
    .algorithm-step {
        flex-direction: column !important;
        text-align: center;
    }
    
    .algorithm-step:nth-child(even) .flow-arrow {
        transform: rotate(90deg);
        right: auto;
        bottom: -50px;
        left: 50%;
        margin-left: -15px;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
        right: auto;
        bottom: -50px;
        left: 50%;
        margin-left: -15px;
    }
    
    .step-visual, .step-info {
        flex: none;
        width: 100%;
    }
    
    .data-sources {
        max-width: 300px;
        margin: 0 auto;
    }
    
    .persona-factory,
    .survey-execution,
    .results-analysis {
        max-width: 100%;
    }
    
    .tech-highlights {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(4px);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-container {
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow-large);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(50px);
    transition: all 0.3s ease;
}

.modal-overlay.active .modal-container {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 2rem 1rem;
    border-bottom: 1px solid var(--border-light);
}

.modal-header h3 {
    margin: 0;
    color: var(--primary-dark);
    font-size: 1.5rem;
    font-weight: 700;
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-light);
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-blue);
}

.modal-body {
    padding: 1rem 2rem 2rem;
}

.modal-body p {
    margin: 0 0 1.5rem;
    color: var(--text-light);
    text-align: center;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-light);
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.2s ease;
    font-family: inherit;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.submit-btn {
    width: 100%;
    background: var(--primary-blue);
    color: var(--white);
    padding: 1rem 2rem;
    border: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-medium);
}

.submit-btn:hover {
    background: var(--primary-cerulean);
    transform: translateY(-2px);
    box-shadow: var(--shadow-large);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* 성공 메시지 */
.success-message {
    text-align: center;
    padding: 2rem;
    color: var(--primary-blue);
}

.success-message h4 {
    margin: 0 0 1rem;
    color: var(--primary-blue);
}

/* 반응형 */
@media (max-width: 768px) {
    .modal-container {
        width: 95%;
        margin: 1rem;
    }
    
    .modal-header,
    .modal-body {
        padding: 1.5rem;
    }
}

/* Core Technology Section - style.css에 추가할 CSS */

/* Core Technology Section */
.core-technology {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.core-technology::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(37, 99, 235, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(96, 165, 250, 0.05) 0%, transparent 70%);
}

.core-technology .container {
    position: relative;
    z-index: 2;
}

.core-technology .section-title,
.core-technology .section-subtitle {
    color: var(--white);
}

.core-technology .section-subtitle {
    opacity: 0.9;
    max-width: 800px;
}

/* Tech Branding Logos */
.tech-branding {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin: 4rem 0 5rem;
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 24px;
}

.tech-logo {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 3rem 4rem;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(248, 250, 252, 0.95));
    backdrop-filter: blur(20px);
    border: 2px solid rgba(37, 99, 235, 0.1);
    border-radius: 20px;
    transition: all 0.4s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    flex: 1;
    min-height: 120px;
}

.tech-logo::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(96, 165, 250, 0.05));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.tech-logo:hover::before {
    opacity: 1;
}

.tech-logo:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.15);
    border-color: rgba(37, 99, 235, 0.3);
}

.logo-icon {
    position: relative;
    z-index: 2;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(248, 250, 252, 0.5);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 8px;
}

.tech-logo:hover .logo-icon {
    border-color: rgba(37, 99, 235, 0.6);
    background: rgba(37, 99, 235, 0.05);
}

.logo-text {
    position: relative;
    z-index: 2;
}

.logo-text h3 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-dark);
    margin: 0;
    letter-spacing: -0.02em;
}

/* Tech Concepts Grid */
.tech-concepts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin: 4rem 0;
}

.concept-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 24px;
    padding: 3rem;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
}

.concept-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(139, 92, 246, 0.1));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.concept-card:hover::before {
    opacity: 1;
}

.concept-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(96, 165, 250, 0.4);
}

/* Concept Visual - Mixture of Cohort */
.concept-visual {
    margin-bottom: 2rem;
    position: relative;
    z-index: 2;
}

.cohort-mixer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.cohort-groups {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.cohort-group {
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.cohort-group:hover {
    background: rgba(96, 165, 250, 0.2);
    transform: scale(1.05);
}

.group-icon {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    display: block;
}

.cohort-group span {
    font-size: 0.9rem;
    font-weight: 600;
    opacity: 0.9;
}

.mixing-process {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mixer-icon {
    font-size: 2rem;
    animation: rotate 3s linear infinite;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.mix-arrows {
    display: flex;
    gap: 0.5rem;
}

.arrow {
    color: var(--primary-light);
    font-size: 1.2rem;
    animation: pulse 1.5s infinite;
}

.arrow:nth-child(2) { animation-delay: 0.5s; }
.arrow:nth-child(3) { animation-delay: 1s; }

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.mixed-result {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-light));
    padding: 1rem 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.result-icon {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    display: block;
}

/* Concept Visual - Synthetic Consumers */
.consumer-factory {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.data-inputs {
    display: flex;
    justify-content: space-between;
    width: 100%;
    gap: 0.5rem;
}

.data-stream {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.75rem;
    border-radius: 12px;
    text-align: center;
    flex: 1;
    transition: all 0.3s ease;
}

.data-stream:hover {
    background: rgba(139, 92, 246, 0.2);
    transform: translateY(-5px);
}

.stream-icon {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    display: block;
}

.data-stream span {
    font-size: 0.8rem;
    font-weight: 600;
    opacity: 0.9;
}

.ai-processor {
    position: relative;
    background: linear-gradient(135deg, var(--accent-purple), rgba(139, 92, 246, 0.8));
    padding: 1.5rem;
    border-radius: 50%;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.processor-core {
    font-size: 2rem;
    z-index: 2;
}

.processing-waves {
    position: absolute;
    top: 0;
    left: 0;
    transform: translate(-50%, -50%);
}

.wave {
    position: absolute;
    width: 80px;
    height: 80px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    animation: wave 2s linear infinite;
}

.wave:nth-child(2) { animation-delay: 0.7s; }
.wave:nth-child(3) { animation-delay: 1.4s; }

@keyframes wave {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(2);
        opacity: 0;
    }
}

.synthetic-output {
    display: flex;
    justify-content: space-between;
    width: 100%;
    gap: 0.5rem;
}

.synthetic-consumer {
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem;
    border-radius: 12px;
    text-align: center;
    flex: 1;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.5s ease forwards;
}

.synthetic-consumer:nth-child(2) { animation-delay: 0.3s; }
.synthetic-consumer:nth-child(3) { animation-delay: 0.6s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.consumer-avatar {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    display: block;
}

.synthetic-consumer span {
    font-size: 0.8rem;
    font-weight: 600;
    opacity: 0.9;
}

/* Concept Content */
.concept-content {
    position: relative;
    z-index: 2;
}

.concept-description {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
    margin-bottom: 2rem;
    font-size: 1.05rem;
}

.concept-benefits {
    list-style: none;
    margin: 0;
    padding: 0;
}

.concept-benefits li {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0.75rem;
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.95rem;
}

.concept-benefits li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-light);
    font-weight: bold;
}

/* Technology Advantage */
.tech-advantage {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 3rem;
    margin-top: 4rem;
    position: relative;
    z-index: 2;
}

.advantage-content h3 {
    font-size: 2rem;
    color: var(--white);
    margin-bottom: 1.5rem;
    font-weight: 700;
    text-align: center;
}

.advantage-content p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
    margin-bottom: 3rem;
    font-size: 1.1rem;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.highlight {
    color: var(--primary-light);
    font-weight: 600;
}

/* Comparison Stats */
.comparison-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 600px;
    margin: 0 auto;
}

.stat-comparison {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/*.stat-label {*/
/*    font-size: 1.1rem;*/
/*    font-weight: 600;*/
/*    color: var(--white);*/
/*    margin-bottom: 1rem;*/
/*    text-align: center;*/
/*}*/

.stat-bars {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.stat-bar {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/*.bar-label {*/
/*    min-width: 80px;*/
/*    font-size: 0.9rem;*/
/*    color: rgba(255, 255, 255, 0.8);*/
/*    font-weight: 500;*/
/*}*/

.bar-fill {
    flex: 1;
    height: 20px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 1rem;
    font-size: 0.85rem;
    font-weight: 600;
    position: relative;
    overflow: hidden;
}

.traditional .bar-fill {
    background: linear-gradient(90deg, #64748b, #94a3b8);
    color: var(--white);
    max-width: 300px;
}

.thesurvey .bar-fill {
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-light));
    color: var(--white);
    max-width: 300px;
    animation: fillBar 2s ease-in-out;
}

@keyframes fillBar {
    0% { width: 0; }
}

/* Responsive Design */
@media (max-width: 768px) {
    .tech-branding {
        flex-direction: column;
        gap: 2rem;
        align-items: center;
        margin: 3rem 0 4rem;
    }
    
    .tech-logo {
        gap: 1rem;
        padding: 1.5rem 2rem;
        width: 100%;
        max-width: 400px;
    }
    
    .icon-placeholder {
        width: 50px;
        height: 50px;
    }
    
    .logo-text h3 {
        font-size: 1.4rem;
    }
    
    .logo-text p {
        font-size: 0.9rem;
    }
    
    .tech-concepts {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .concept-card {
        padding: 2rem;
    }
    
    .cohort-groups {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .data-inputs,
    .synthetic-output {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .mixing-process {
        flex-direction: column;
        gap: 1rem;
    }
    
    .mix-arrows {
        transform: rotate(90deg);
    }
    
    .concept-header {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .concept-header h3 {
        font-size: 1.5rem;
    }
    
    .advantage-content h3 {
        font-size: 1.7rem;
    }
    
    .tech-advantage {
        padding: 2rem;
    }
    
    .stat-bar {
        flex-direction: column;
        gap: 0.5rem;
        align-items: stretch;
    }
    
    .bar-label {
        min-width: auto;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .concept-card {
        padding: 1.5rem;
    }
    
    .concept-header h3 {
        font-size: 1.3rem;
    }
    
    .concept-description {
        font-size: 1rem;
    }
}