:root {
    --primary-color: #3498db;
    --secondary-color: #2980b9;
    --accent-color: #f39c12;
    --text-color: #333;
    --light-bg: #f8f9fa;
    --dark-bg: #343a40;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Noto Sans KR', sans-serif;
}

body {
    color: var(--text-color);
    line-height: 1.6;
}

header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.logo img {
    height: 40px;
    width: auto;
    display: block;
}

.logo span {
    color: var(--accent-color);
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 2rem;
}

nav ul li a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: var(--primary-color);
}

.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
    padding: 0 1rem;
    margin-top: 60px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.btn {
    display: inline-block;
    background-color: var(--accent-color);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #e67e22;
}

section {
    padding: 5rem 1rem;
}

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

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

.section-heading h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.section-heading p {
    color: #666;
    max-width: 700px;
    margin: 0 auto;
}

.services {
    padding: 5rem 1rem;
    background-color: var(--light-bg);
}

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

.service-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.service-card .icon {
    width: 100%;
    height: 200px;
    position: relative;
    overflow: hidden;
}

.service-card .icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.service-content {
    padding: 1.5rem;
    background: white;
}

.service-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.service-content p {
    color: #666;
    line-height: 1.6;
}

.about {
    background-color: var(--light-bg);
    padding: 5rem 0;
}

.about-content {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.about-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 8rem;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.about-item:nth-child(2) {
    grid-template-columns: 1fr 1fr;
}

.about-item:nth-child(2) .about-text {
    order: -1;
}

.about-item.reverse {
    direction: rtl;
}

.about-item.reverse .about-text {
    direction: ltr;
}

.about-image {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    height: 400px;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
    display: block;
}

.about-item:hover .about-image img {
    transform: scale(1.05);
}

.about-text {
    padding: 2rem;
}

.about-text h3 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.about-text h3 i {
    color: var(--accent-color);
}

.about-text p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    font-size: 1.1rem;
}

.highlight-text {
    color: var(--accent-color);
    font-style: italic;
    font-size: 1.2rem;
    padding: 1rem;
    border-left: 4px solid var(--accent-color);
    background: rgba(243, 156, 18, 0.1);
}

.core-values {
    list-style: none;
    padding: 0;
}

.core-values li {
    margin-bottom: 1.2rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    font-size: 1.1rem;
}

.core-values li i {
    color: var(--accent-color);
    margin-top: 0.3rem;
}

/* 스크롤 애니메이션 클래스 */
.fade-in {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.fade-in[data-direction="left"] {
    transform: translateX(-50px);
}

.fade-in[data-direction="right"] {
    transform: translateX(50px);
}

.fade-in.active {
    opacity: 1;
    transform: translate(0, 0);
}

@media (max-width: 768px) {
    .header-container {
        padding: 1rem;
    }

    nav ul li {
        margin-left: 1.5rem;
    }

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

    .hero p {
        font-size: 1rem;
    }

    .section-heading h2 {
        font-size: 2rem;
    }

    .about-item,
    .about-item:nth-child(2) {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin-bottom: 4rem;
    }

    .about-item:nth-child(2) .about-text {
        order: 0;
    }

    .about-item .about-image {
        order: -1;
    }

    .about-text {
        padding: 1rem 0;
    }

    .about-text h3 {
        font-size: 1.5rem;
    }

    .highlight-text {
        font-size: 1rem;
    }

    .about-image {
        height: 300px;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card .icon {
        height: 180px;
    }

    footer {
        padding: 1.5rem 1rem;
    }

    .footer-column h2 {
        font-size: 1.3rem;
    }

    .company-info {
        font-size: 0.85rem;
        line-height: 1.6;
    }
}

@media (max-width: 360px) {
    .header-container {
        flex-direction: column;
        padding: 0.5rem;
    }

    .logo {
        margin-bottom: 0.5rem;
    }

    .logo img {
        height: 35px;
    }

    nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }

    nav ul li {
        margin: 0.3rem 0.7rem;
    }

    nav ul li a {
        font-size: 0.9rem;
    }

    .hero {
        margin-top: 90px;
    }

    .hero h1 {
        font-size: 1.5rem;
        margin-bottom: 0.8rem;
    }

    .hero p {
        font-size: 0.9rem;
        margin-bottom: 1.5rem;
    }

    .btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }

    section {
        padding: 3rem 1rem;
    }

    .section-heading h2 {
        font-size: 1.5rem;
    }

    .section-heading p {
        font-size: 0.9rem;
    }

    .services-grid {
        gap: 1.5rem;
    }

    .service-card .icon {
        height: 160px;
    }

    .service-content {
        padding: 1rem;
    }

    .service-content h3 {
        font-size: 1.2rem;
    }

    .service-content p {
        font-size: 0.9rem;
    }

    .about-text h3 {
        font-size: 1.3rem;
    }

    .about-text p {
        font-size: 0.9rem;
    }

    .about-image {
        height: 250px;
    }

    .highlight-text {
        font-size: 0.9rem;
        padding: 0.8rem;
    }

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

    .contact-info,
    .contact-form {
        padding: 1.5rem 1rem;
    }

    .form-control {
        padding: 0.6rem;
        font-size: 0.9rem;
    }

    .submit-btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }

    .footer-column h2 {
        font-size: 1.2rem;
        margin-bottom: 1rem;
    }

    .company-info {
        font-size: 0.8rem;
    }

    .privacy-link {
        font-size: 0.8rem;
    }

    .copyright {
        font-size: 0.8rem;
        padding-top: 1rem;
        margin-top: 1rem;
    }
}

.team {
    background-color: var(--light-bg);
}

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

.team-member {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
}

.team-member img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.team-member-info {
    padding: 1.5rem;
}

.team-member-info h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.team-member-info p {
    color: #666;
    margin-bottom: 1rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.social-links a {
    color: var(--text-color);
    transition: color 0.3s;
}

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

.contact {
    background-color: white;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
}

.contact-info {
    background-color: var(--primary-color);
    padding: 2rem;
    border-radius: 10px;
    color: white;
}

.contact-info h3 {
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.contact-item i {
    margin-right: 1rem;
    font-size: 1.2rem;
    margin-top: 0.2rem;
}

.contact-form {
    padding: 2rem;
    background-color: var(--light-bg);
    border-radius: 10px;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

textarea.form-control {
    height: 150px;
    resize: vertical;
}

.submit-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
    font-weight: 600;
    display: block;
    margin-left: auto;
}

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

footer {
    background-color: var(--dark-bg);
    color: white;
    padding: 2rem 1rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: left;
}

.footer-column h2 {
    font-size: 1.5rem;
    color: white;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.company-info {
    color: #aaa;
    font-size: 0.9rem;
    line-height: 1.8;
}

.company-info p {
    margin-bottom: 0.5rem;
}

.copyright {
    text-align: center;
    padding-top: 1.5rem;
    margin-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: #aaa;
}

.privacy-link {
    display: inline-block;
    color: #aaa;
    text-decoration: none;
    margin-bottom: 1.5rem;
    font-size: 0.85rem;
    transition: color 0.3s;
    padding: 0.3rem 0;
}

.privacy-link:hover {
    color: #fff;
}

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

.mv-item {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.mv-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-color);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.mv-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.mv-item:hover::before {
    transform: scaleX(1);
}

.mv-item h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 1.5rem;
}

.mv-item h3 i {
    color: var(--accent-color);
    font-size: 1.8rem;
}

.mv-item p {
    margin-bottom: 1.2rem;
    line-height: 1.7;
    color: var(--text-color);
}

.mv-sub {
    color: var(--accent-color);
    font-style: italic;
    font-size: 1rem;
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid rgba(0,0,0,0.1);
}

@media (max-width: 768px) {
    .mission-vision {
        grid-template-columns: 1fr;
    }
    
    .mv-item {
        padding: 2rem;
    }
    
    .mv-item h3 {
        font-size: 1.3rem;
    }
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-info {
        padding: 1.5rem;
    }

    .contact-info h3 {
        font-size: 1.3rem;
    }

    .contact-item {
        font-size: 0.9rem;
    }

    .contact-item i {
        font-size: 1.1rem;
    }
}

@media (max-width: 360px) {
    .contact-grid {
        gap: 1.5rem;
    }

    .contact-info {
        padding: 1.2rem;
    }

    .contact-info h3 {
        font-size: 1.2rem;
        margin-bottom: 1rem;
    }

    .contact-item {
        font-size: 0.85rem;
        margin-bottom: 1rem;
    }

    .contact-item i {
        font-size: 1rem;
    }

    .contact-form {
        padding: 1.2rem;
    }

    .form-group {
        margin-bottom: 1rem;
    }

    .form-group label {
        font-size: 0.9rem;
        margin-bottom: 0.3rem;
    }

    .form-control {
        padding: 0.6rem;
        font-size: 0.85rem;
    }

    textarea.form-control {
        height: 120px;
    }

    .submit-btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }
}

.alert-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 5px;
    text-align: center;
    font-size: 0.9rem;
}

.alert-message .success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1rem;
}

.alert-message .error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1rem;
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

@media (max-width: 360px) {
    .alert-message .success,
    .alert-message .error {
        padding: 0.8rem;
        font-size: 0.85rem;
    }
}