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

        :root {
            --primary-color: #1BA5A5;
            --secondary-color: #4ECDC4;
            --accent-color: #FF6B6B;
            --text-dark: #2C3E50;
            --text-light: #7F8C8D;
            --bg-light: #F8F9FA;
            --white: #FFFFFF;
        }

        body {
            font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            line-height: 1.6;
            color: var(--text-dark);
            overflow-x: hidden;
        }

        /* 네비게이션 */
        nav {
            background: var(--white);
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            transition: all 0.3s ease;
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0.8rem 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            display: flex;
            align-items: center;
            text-decoration: none;
        }

        .logo-img {
            height: 45px;
            width: auto;
        }

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

        .nav-links a {
            color: var(--text-dark);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
            position: relative;
        }

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

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary-color);
            transition: width 0.3s ease;
        }

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

        /* 모바일 메뉴 버튼 */
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--text-dark);
        }

        /* 히어로 섹션 */
        .hero {
            background: linear-gradient(135deg, #1BA5A5 0%, #4ECDC4 100%);
            color: white;
            padding: 8rem 2rem 4rem;
            position: relative;
            overflow: hidden;
            min-height: 600px;
            display: flex;
            align-items: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
            background-size: cover;
        }

        .hero-container {
            max-width: 1200px;
            margin: 0 auto;
            width: 100%;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
            position: relative;
            z-index: 1;
        }

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

        .hero h1 {
            font-size: 3rem;
            margin-bottom: 1rem;
            animation: fadeInUp 1s ease;
            line-height: 1.2;
        }

        .hero-subtitle {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            opacity: 0.95;
            animation: fadeInUp 1s ease 0.2s backwards;
            line-height: 1.6;
        }

        .hero-image {
            position: relative;
            animation: fadeInUp 1s ease 0.4s backwards;
        }

        .hero-image-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
            transform: rotate(3deg);
        }

        /* find */
        .hero-photo {
            width: 100%;
            height: 150px;
            background-size: cover;
            background-position: center;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
            transition: transform 0.3s ease;
        }

        .hero-photo:hover {
            transform: scale(1.05);
        }

        .hero-photo:nth-child(1) {
            background-image: url('images/activity1.jpg');
            background-size: cover;
            background-position: center;
        }

        .hero-photo:nth-child(2) {
            background-image: url('images/activity2.jpg');
            background-size: cover;
            background-position: center;
        }

        .hero-photo:nth-child(3) {
            background-image: url('images/activity3.jpg');
            background-size: cover;
            background-position: center;
        }

        .hero-photo:nth-child(4) {
            background-image: url('images/activity4.jpg');
            background-size: cover;
            background-position: center;
        }

        .cta-buttons {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            animation: fadeInUp 1s ease 0.4s backwards;
        }

        .btn {
            padding: 0.8rem 2rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            display: inline-block;
            cursor: pointer;
            border: none;
            font-size: 1rem;
        }

        .btn-primary {
            background: var(--white);
            color: var(--primary-color);
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0,0,0,0.3);
        }

        .btn-secondary {
            background: transparent;
            color: var(--white);
            border: 2px solid var(--white);
        }

        .btn-secondary:hover {
            background: var(--white);
            color: var(--primary-color);
        }

        /* 소개 섹션 */
        .about {
            padding: 5rem 2rem;
            background: var(--bg-light);
        }

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

        .section-title {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 1rem;
            color: var(--text-dark);
        }

        .section-subtitle {
            text-align: center;
            color: var(--text-light);
            margin-bottom: 3rem;
            font-size: 1.1rem;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

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

        .feature-card {
            background: var(--white);
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            transition: all 0.3s ease;
            text-align: center;
        }

        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
        }

        .feature-icon {
            width: 80px;
            height: 80px;
            margin: 0 auto 1.5rem;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: white;
        }

        .feature-card h3 {
            margin-bottom: 1rem;
            color: var(--text-dark);
            font-size: 1.3rem;
        }

        .feature-card p {
            color: var(--text-light);
            line-height: 1.8;
        }

        /* 갤러리 섹션 */
        .gallery {
            padding: 5rem 2rem;
            background: var(--white);
        }

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

        .gallery-item {
            position: relative;
            overflow: hidden;
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            height: 250px;
            background-size: cover;
            background-position: center;
            transition: all 0.3s ease;
        }

        .gallery-item:hover {
            transform: scale(1.02);
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
        }

        .gallery-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
            color: white;
            padding: 1.5rem;
            transform: translateY(100%);
            transition: transform 0.3s ease;
        }

        .gallery-item:hover .gallery-overlay {
            transform: translateY(0);
        }

       /* 프로그램 섹션 */
        .programs {
            padding: 5rem 2rem;
            background: var(--bg-light);
        }

        .program-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        /* find */
        .program-card {
            background: linear-gradient(135deg, #1BA5A5 30%, #4ECDC4 70%);
            color: white;
            padding: 2rem;
            border-radius: 15px;
            text-align: center;
            position: relative;
            overflow: hidden;

            /* 모든 애니메이션 효과를 위한 부드러운 전환 효과를 여기에 통합 */
            transition: all 0.15s ease-in-out;
        }

        /* 호버 시 효과 */
        .program-card:hover {
            transform: scale(1.1) translateY(-5px); /* 확대 효과와 살짝 위로 올라가는 효과를 결합 */
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2); /* 그림자 효과로 입체감 추가 */
        }

        /* 배경의 반짝이 효과 */
        .program-card::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 200%;
            height: 200%;
            /* 반짝이는 효과의 색상 변경: 파란색 계열 */
            background: radial-gradient(circle, rgba(135, 206, 250, 0.2) 0%, transparent 70%);
            transform: rotate(45deg);
            transition: all 0.1s ease;
        }

        .program-card:hover::before {
            top: -25%;
            right: -25%;
        }

        .program-card h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            position: relative;
            z-index: 1;
        }

        .program-card p {
            position: relative;
            z-index: 1;
            opacity: 0.95;
            font-size: 0.95rem; /* 폰트 크기 조정 */
            line-height: 1.6; /* 가독성을 위한 줄 간격 */
        }

        /* .program-card:hover h3,
        .program-card:hover p {
            transform: scale(1.01);
            transition: transform 0.05s ease-in-out;
        } */

        /* 연락처 섹션 */
        .contact {
            padding: 5rem 2rem;
            background: var(--white);
        }

        .contact-content {
            max-width: 600px;
            margin: 0 auto;
            text-align: center;
        }

        .contact-info {
            background: var(--bg-light);
            padding: 2rem;
            border-radius: 15px;
            margin-bottom: 2rem;
        }

        .contact-info p {
            margin: 0.5rem 0;
            color: var(--text-dark);
        }

        .contact-info a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
        }

        .contact-info a:hover {
            text-decoration: underline;
        }

        .contact-form {
            background: var(--bg-light);
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            margin-top: 2rem;
        }

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

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

        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.8rem;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            font-size: 1rem;
            transition: border-color 0.3s ease;
            font-family: inherit;
        }

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

        .form-group textarea {
            resize: vertical;
            min-height: 120px;
        }

        /* 푸터 */
        footer {
            background: var(--text-dark);
            color: var(--white);
            padding: 3rem 2rem 1rem;
            text-align: center;
        }

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

        .social-links {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            margin: 2rem 0;
        }

        .social-links a {
            width: 45px;
            height: 45px;
            background: rgba(255,255,255,0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            text-decoration: none;
            transition: all 0.3s ease;
            font-size: 1.2rem;
        }

        .social-links a:hover {
            background: var(--primary-color);
            transform: translateY(-3px);
        }

        /* 로고 SVG 스타일 */
        .logo-svg {
            height: 45px;
            width: auto;
        }

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

        /* 반응형 디자인 */
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .mobile-menu-btn {
                display: block;
            }

            .hero-container {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

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

            .hero h1 {
                font-size: 2rem;
            }

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

            .hero-image {
                max-width: 400px;
                margin: 0 auto;
            }

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

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

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

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

            .cta-buttons {
                justify-content: center;
            }
        }

        /* 모바일 메뉴 */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 65px;
            left: 0;
            right: 0;
            background: var(--white);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            z-index: 999;
        }

        .mobile-menu.active {
            display: block;
        }

        .mobile-menu ul {
            list-style: none;
            padding: 1rem;
        }

        .mobile-menu li {
            padding: 0.8rem;
            border-bottom: 1px solid #eee;
        }

        .mobile-menu a {
            color: var(--text-dark);
            text-decoration: none;
            font-weight: 500;
        }
    
        .social-links img {
            width: 22px;
            height: 22px;
            display: block;
            object-fit: contain;
        }
        .contact-info img {
            vertical-align: middle;
        }


a{
    text-decoration-line: none;
}