:root {
            --primary: #3D8B85;
            --secondary: #4FA8A1;
            --background: #F5F8F7;
            --text: #2C3E50;
            --card-bg: #FFFFFF;
            --gradient: linear-gradient(135deg, #3D8B85 0%, #4FA8A1 100%);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
            line-height: 1.6;
            color: var(--text);
            background: var(--background);
            overflow-x: hidden;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* Header Styles */
        header {
            background: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            padding: 1rem 0;
            backdrop-filter: blur(10px);
        }
        
        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .header-logo {
            display: flex;
            align-items: center;
            text-decoration: none;
        }
        
        .header-logo img {
            height: 40px;
        }
        
        .nav-links {
            display: flex;
            gap: 2rem;
            align-items: center;
        }
        
        .nav-link {
            color: var(--text);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
            position: relative;
        }
        
        .nav-link:after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            background: var(--primary);
            bottom: -4px;
            left: 0;
            transition: width 0.3s ease;
        }
        
        .nav-link:hover:after {
            width: 100%;
        }
        
        .nav-link:hover {
            color: var(--primary);
        }
        
        .cta-button {
            background: var(--gradient);
            color: white;
            text-decoration: none;
            padding: 0.7rem 1.5rem;
            border-radius: 50px;
            font-weight: 500;
            transition: all 0.3s ease;
            box-shadow: 0 4px 6px rgba(61, 139, 133, 0.2);
        }
        
        .cta-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(61, 139, 133, 0.3);
        }
        
        /* Mobile Menu */
        .mobile-menu-toggle {
            display: none;
            flex-direction: column;
            justify-content: space-between;
            width: 30px;
            height: 21px;
            cursor: pointer;
        }
        
        .mobile-menu-toggle span {
            display: block;
            height: 3px;
            width: 100%;
            background: var(--text);
            transition: all 0.3s ease;
        }
        
        .mobile-menu {
            display: none;
            position: fixed;
            top: 70px;
            left: 0;
            right: 0;
            background: white;
            padding: 1rem;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
            flex-direction: column;
            gap: 1rem;
        }
        
        /* Hero Section */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            background: linear-gradient(135deg, rgba(61,139,133,0.05), rgba(79,168,161,0.1));
            padding-top: 70px;
            overflow: hidden;
        }
        
        .hero:before {
            content: '';
            position: absolute;
            width: 140%;
            height: 150%;
            top: -25%;
            left: -20%;
            background: radial-gradient(ellipse at center, rgba(61,139,133,0.05) 0%, rgba(61,139,133,0.02) 50%, transparent 70%);
            animation: rotate 30s linear infinite;
        }
        
        @keyframes rotate {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }
        
        .hero-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
            position: relative;
            z-index: 1;
            padding: 2rem 0;
        }
        
        .hero-text {
            max-width: 600px;
        }
        
        .hero-title {
            font-size: 3.5rem;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 1.5rem;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
        .hero-subtitle {
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 1.5rem;
            font-weight: 500;
        }
        
        .hero-description {
            font-size: 1.1rem;
            margin-bottom: 2rem;
            color: #546E7A;
        }
        
        .hero-image {
            position: relative;
            max-width: 500px;
        }
        
        .hero-image img {
            width: 100%;
            height: auto;
            border-radius: 20px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.15);
            transform: perspective(1000px) rotateY(-15deg) rotateX(5deg);
            transition: transform 0.5s ease;
        }
        
        .hero-image:hover img {
            transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
        }
        
        /* About Section */
        .about {
            padding: 100px 0;
            position: relative;
            background: white;
        }
        
        .section-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            text-align: center;
            color: var(--text);
        }
        
        .section-subtitle {
            font-size: 1.2rem;
            text-align: center;
            max-width: 700px;
            margin: 0 auto 3rem;
            color: #546E7A;
        }
        
        .about-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        
        .about-card {
            background: white;
            border-radius: 15px;
            padding: 2rem;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        
        .about-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(61,139,133,0.1);
        }
        
        .about-icon {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 1.5rem;
            display: inline-block;
            transition: transform 0.3s ease;
        }
        
        .about-card:hover .about-icon {
            transform: scale(1.1);
        }
        
        .about-card h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--text);
        }
        
        .about-card p {
            color: #546E7A;
        }
        
        /* Services Section */
        .services {
            padding: 100px 0;
            background: linear-gradient(135deg, rgba(61,139,133,0.05), rgba(79,168,161,0.1));
            position: relative;
        }
        
        .services-wrapper {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }
        
        .service-card {
            background: white;
            border-radius: 20px;
            overflow: hidden;
            transition: all 0.3s ease;
            box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        }
        
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(61,139,133,0.1);
        }
        
        .service-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        
        .service-content {
            padding: 1.5rem;
        }
        
        .service-title {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--text);
        }
        
        .service-description {
            color: #546E7A;
            margin-bottom: 1.5rem;
        }
        
        .service-link {
            display: inline-flex;
            align-items: center;
            color: var(--primary);
            text-decoration: none;
            font-weight: 500;
            transition: gap 0.3s ease;
            gap: 0.3rem;
        }
        
        .service-link:hover {
            gap: 0.6rem;
        }
        
        /* Products Section */
        .products {
            padding: 100px 0;
            background: white;
        }
        
        .product-card {
            background: white;
            border-radius: 20px;
            overflow: hidden;
            transition: all 0.3s ease;
            box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        }
        
        .product-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(61,139,133,0.1);
        }
        
        .product-image {
            width: 100%;
            height: 250px;
            object-fit: cover;
        }
        
        .product-content {
            padding: 1.5rem;
        }
        
        .product-title {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--text);
        }
        
        .product-subtitle {
            color: var(--primary);
            font-weight: 500;
            margin-bottom: 1rem;
        }
        
        .product-description {
            color: #546E7A;
            margin-bottom: 1.5rem;
        }
        
        .product-features {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-bottom: 1.5rem;
        }
        
        .product-feature {
            background: rgba(61,139,133,0.1);
            color: var(--primary);
            padding: 0.3rem 0.8rem;
            border-radius: 15px;
            font-size: 0.85rem;
        }
        
        .product-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: var(--gradient);
            color: white;
            padding: 0.7rem 1.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
            box-shadow: 0 4px 6px rgba(61,139,133,0.2);
        }
        
        .product-link:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(61,139,133,0.3);
        }
        
        /* Contact Section */
        .contact {
            padding: 100px 0;
            background: linear-gradient(135deg, rgba(61,139,133,0.05), rgba(79,168,161,0.1));
            position: relative;
            text-align: center;
        }
        
        .contact-methods {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        
        .contact-method {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }
        
        .contact-method:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(61,139,133,0.1);
        }
        
        .contact-icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 1rem;
        }
        
        .contact-label {
            font-weight: 600;
            margin-bottom: 0.5rem;
        }
        
        .contact-value {
            color: #546E7A;
        }
        
        .contact-link {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        
        .contact-link:hover {
            text-decoration: underline;
        }
        
        /* Footer */
        footer {
            background: #2C3E50;
            color: white;
            padding: 4rem 0 2rem;
            position: relative;
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 3rem;
        }
        
        .footer-logo {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        
        .footer-logo img {
            height: 50px;
            width: auto;
        }
        
        .footer-description {
            color: rgba(255,255,255,0.7);
            line-height: 1.7;
        }
        
        .footer-title {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
            position: relative;
            padding-bottom: 0.5rem;
        }
        
        .footer-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            height: 2px;
            width: 50px;
            background: var(--primary);
        }
        
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        
        .footer-link {
            color: rgba(255,255,255,0.7);
            text-decoration: none;
            transition: color 0.3s ease;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .footer-link:hover {
            color: white;
        }
        
        .footer-social {
            display: flex;
            gap: 1rem;
            margin-top: 1rem;
        }
        
        .social-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255,255,255,0.1);
            color: white;
            transition: all 0.3s ease;
            text-decoration: none;
        }
        
        .social-link:hover {
            background: var(--primary);
            transform: translateY(-3px);
        }
        
        .footer-bottom {
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
        }
        
        .copyright {
            color: rgba(255,255,255,0.5);
        }
        
        .footer-bottom-links {
            display: flex;
            gap: 1.5rem;
        }
        
        .footer-bottom-link {
            color: rgba(255,255,255,0.5);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        
        .footer-bottom-link:hover {
            color: white;
        }
        
        /* Responsive styles */
        @media (max-width: 992px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            
            .hero-image {
                max-width: 100%;
                order: -1;
            }
            
            .hero-image img {
                transform: none;
            }
        }
        
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            
            .mobile-menu-toggle {
                display: flex;
            }
            
            .mobile-menu.active {
                display: flex;
            }
            
            .hero-title {
                font-size: 2.5rem;
            }
            
            .section-title {
                font-size: 2rem;
            }
        }
        
        /* Background decoration */
        .bg-shape-1 {
            position: absolute;
            top: 10%;
            right: 5%;
            height: 300px;
            width: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(61,139,133,0.2) 0%, rgba(61,139,133,0) 70%);
            filter: blur(50px);
            z-index: -1;
        }
        
        .bg-shape-2 {
            position: absolute;
            bottom: 10%;
            left: 5%;
            height: 250px;
            width: 250px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(79,168,161,0.2) 0%, rgba(79,168,161,0) 70%);
            filter: blur(50px);
            z-index: -1;
        }
/* 모달 스타일 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.modal-container {
    background-color: white;
    width: 90%;
    max-width: 600px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    transform: translateY(20px);
    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: 1.5rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

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

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #999;
    cursor: pointer;
    transition: color 0.3s ease;
}

.modal-close:hover {
    color: var(--primary);
}

.modal-body {
    padding: 1.5rem;
    max-height: 80vh;
    overflow-y: auto;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    outline: none;
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-checkbox input {
    width: auto;
}

.form-checkbox label {
    margin-bottom: 0;
    font-size: 0.9rem;
}

.submit-button {
    background: var(--gradient);
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(61, 139, 133, 0.2);
    width: 100%;
    font-weight: 600;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(61, 139, 133, 0.3);
}

/* 모달 레이아웃 최적화 */
.modal-body {
    padding: 1.5rem;
    max-height: 70vh;
    overflow-y: auto;
}

/* 2열 레이아웃으로 변경 */
.form-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-column {
    flex: 1;
}

/* 라벨과 입력 필드 간격 줄이기 */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.3rem;
    color: var(--text);
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.6rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.95rem;
}

/* 텍스트 영역 높이 최적화 */
.form-group textarea {
    height: 80px;
}

/* 체크박스 마진 최적화 */
.form-checkbox {
    margin-bottom: 1rem;
}

.form-checkbox label {
    font-size: 0.85rem;
}

/* 모바일 반응형 처리 */
@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .modal-body {
        max-height: 75vh;
    }
}