/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans KR', sans-serif;
    line-height: 1.6;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Color Variables */
:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #3b82f6;
    --text-color: #1f2937;
    --light-bg: #f8fafc;
    --white: #ffffff;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --success-color: #10b981;
    --warning-color: #f59e0b;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.3rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-image {
    width: 70px;
    height: 70px;
    object-fit: contain;
    border-radius: 6px;
    transition: all 0.3s ease;
    filter: brightness(1.1) contrast(1.05);
}

.logo-image:hover {
    transform: scale(1.03);
    filter: brightness(1.15) contrast(1.1);
}

.logo-text h2 {
    color: var(--primary-color);
    font-size: 2.4rem;
    font-weight: 700;
    margin: 0;
    line-height: 1;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1.8rem;
}

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

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

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

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-color);
    margin: 3px 0;
    transition: 0.3s;
}

/* Language Selector */
.language-selector {
    position: relative;
    display: inline-block;
    margin-left: 1rem;
}

.current-language {
    background: var(--primary-color);
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    user-select: none;
    display: flex;
    align-items: center;
    gap: 5px;
}

.current-language:hover {
    background: var(--secondary-color);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.language-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border-radius: 8px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--gray-200);
    min-width: 150px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.language-selector:hover .language-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-option {
    display: block;
    padding: 10px 15px;
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    border-bottom: 1px solid var(--gray-100);
}

.language-option:last-child {
    border-bottom: none;
}

.language-option:hover {
    background: var(--gray-50);
    color: var(--primary-color);
    padding-left: 20px;
}

.language-option:first-child {
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
}

.language-option:last-child {
    border-bottom-left-radius: 8px;
    border-bottom-right-radius: 8px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    color: var(--text-color);
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(37, 99, 235, 0.03) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(37, 99, 235, 0.03) 0%, transparent 40%),
        linear-gradient(90deg, transparent 50%, rgba(37, 99, 235, 0.01) 50%),
        linear-gradient(0deg, transparent 50%, rgba(37, 99, 235, 0.01) 50%);
    background-size: 300px 300px, 300px 300px, 40px 40px, 40px 40px;
    opacity: 0.6;
}

.hero-section {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    position: relative;
    z-index: 2;
}

.hero-image {
    flex: 1;
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-element {
    position: absolute;
    width: 80px;
    height: 80px;
    background: rgba(37, 99, 235, 0.08);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(37, 99, 235, 0.15);
    animation: float 6s ease-in-out infinite;
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.1);
}

.floating-element:nth-child(1) {
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    top: 20%;
    right: 20%;
    animation-delay: 1.5s;
}

.floating-element:nth-child(3) {
    bottom: 30%;
    left: 10%;
    animation-delay: 3s;
}

.floating-element:nth-child(4) {
    bottom: 30%;
    right: 10%;
    animation-delay: 4.5s;
}

.floating-element i {
    font-size: 2rem;
    color: var(--primary-color);
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.3;
    white-space: nowrap;
    color: var(--text-color);
}

.highlight {
    color: var(--primary-color);
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    color: var(--gray-600);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.2);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-top: 4rem;
    position: relative;
    z-index: 2;
}

.stat {
    text-align: center;
}

.stat h3 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.stat p {
    font-size: 1.1rem;
    color: var(--gray-600);
}

/* Sections */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--text-color);
    margin-bottom: 1rem;
    font-weight: 700;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

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

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 20%, rgba(37, 99, 235, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(37, 99, 235, 0.03) 0%, transparent 50%),
        linear-gradient(45deg, transparent 49%, rgba(37, 99, 235, 0.01) 50%, transparent 51%);
    background-size: 100px 100px, 100px 100px, 20px 20px;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h3 {
    font-size: 2rem;
    color: var(--text-color);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--gray-600);
    margin-bottom: 2rem;
    line-height: 1.8;
}

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

.feature {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.1);
}

.feature i {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-top: 0.2rem;
}

.feature h4 {
    color: var(--text-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.feature p {
    color: var(--gray-600);
    font-size: 0.95rem;
    margin: 0;
}

.card {
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.card h4 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    font-weight: 600;
}

.profile-info {
    margin: 20px 0;
}

.executive-member {
    margin-bottom: 25px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(74, 144, 226, 0.2);
}

.executive-member:last-child {
    margin-bottom: 0;
}

.executive-member h5 {
    color: var(--primary-color);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.executive-member p {
    margin: 5px 0;
    color: var(--text-color);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.executive-member i {
    color: var(--primary-color);
    font-size: 0.9rem;
    width: 16px;
}

.executive-details {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid rgba(74, 144, 226, 0.2);
}

.executive-details p {
    margin: 8px 0;
    color: var(--gray-600);
    font-size: 0.85rem;
}

/* Services Section */
.services {
    background: linear-gradient(135deg, #ffffff 0%, #f1f5f9 100%);
    position: relative;
    overflow: hidden;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(59, 130, 246, 0.04) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(59, 130, 246, 0.04) 0%, transparent 50%);
    background-size: 200px 200px;
    animation: float-background 20s ease-in-out infinite;
}

@keyframes float-background {
    0%, 100% { transform: translateX(0px) translateY(0px); }
    25% { transform: translateX(10px) translateY(-10px); }
    50% { transform: translateX(-5px) translateY(10px); }
    75% { transform: translateX(-10px) translateY(-5px); }
}

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

.service-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--gray-200);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color);
}

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

.service-icon i {
    font-size: 2rem;
    color: var(--white);
}

.service-card h3 {
    color: var(--text-color);
    margin-bottom: 1rem;
    font-size: 1.4rem;
    font-weight: 600;
}

.service-card p {
    color: var(--gray-600);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service-card ul {
    list-style: none;
    text-align: left;
}

.service-card li {
    color: var(--gray-600);
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.service-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

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

.portfolio::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 10px,
            rgba(37, 99, 235, 0.01) 10px,
            rgba(37, 99, 235, 0.01) 20px
        ),
        radial-gradient(circle at 30% 70%, rgba(37, 99, 235, 0.02) 0%, transparent 50%);
}

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

.portfolio-item {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.portfolio-info {
    padding: 2rem;
}

.portfolio-info h3 {
    color: var(--text-color);
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
    font-weight: 600;
}

.period {
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.portfolio-info > p {
    color: var(--gray-600);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.portfolio-info ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

.portfolio-info li {
    color: var(--gray-600);
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.95rem;
}

.portfolio-info li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.portfolio-tags span {
    background: var(--gray-100);
    color: var(--gray-700);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Contact Section */
.contact {
    background: var(--gray-50);
    color: var(--text-color);
    position: relative;
    overflow: hidden;
}

.contact::before {
    display: none;
}

.contact .section-header h2,
.contact .section-header p {
    color: var(--text-color);
    text-shadow: none;
}

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

.contact-info {
    display: grid;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    border: 1px solid var(--gray-200);
}

.contact-item:hover {
    transform: translateY(-3px);
    background: var(--gray-50);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    width: 30px;
    text-align: center;
    flex-shrink: 0;
}

.contact-item-content {
    flex: 1;
    min-width: 0;
}

.contact-item h4 {
    color: var(--text-color);
    margin-bottom: 0.3rem;
    font-weight: 600;
}

.contact-item p {
    color: var(--gray-600);
    margin: 0;
    font-weight: 500;
    font-size: 0.95rem;
    line-height: 1.4;
}

/* Contact Form */
.contact-form {
    background: var(--white);
    border: 1px solid var(--gray-200);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.form-group {
    position: relative;
    margin-bottom: 2rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
    background: var(--white);
}

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

.form-group label {
    position: absolute;
    top: 1rem;
    left: 1rem;
    color: var(--gray-500);
    transition: all 0.3s ease;
    pointer-events: none;
    background: var(--white);
    padding: 0 0.5rem;
}

.form-group input:focus + label,
.form-group input:valid + label,
.form-group textarea:focus + label,
.form-group textarea:valid + label {
    top: -0.5rem;
    left: 0.5rem;
    font-size: 0.8rem;
    color: var(--primary-color);
}

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

/* Footer */
.footer {
    background: var(--gray-100);
    color: var(--text-color);
    padding: 3rem 0 1rem;
    border-top: 1px solid var(--gray-200);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.footer-logo p {
    color: var(--gray-500);
    font-size: 0.9rem;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--gray-600);
    margin-bottom: 1rem;
    font-weight: 600;
}

.footer-links ul {
    list-style: none;
}

.footer-links a {
    color: var(--gray-500);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-contact p,
.footer-services p {
    color: var(--gray-500);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-contact i {
    width: 16px;
}

.footer-bottom {
    border-top: 1px solid var(--gray-300);
    padding-top: 1rem;
    text-align: center;
}

.footer-bottom p {
    color: var(--gray-500);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
        z-index: 999;
    }
    
    .nav-menu li {
        margin: 0.5rem 0;
    }
    
    .nav-menu a {
        display: block;
        padding: 1rem;
        font-size: 1.1rem;
    }
    
    .nav-menu.active {
        left: 0;
    }

    .language-selector {
        margin-left: 0;
        margin-right: 1rem;
    }

    .current-language {
        font-size: 0.8rem;
        padding: 6px 8px;
    }

    .language-dropdown {
        right: -10px;
        min-width: 120px;
    }

    .language-option {
        padding: 8px 12px;
        font-size: 0.8rem;
    }
    
    .hero {
        padding: 100px 0 60px;
        min-height: auto;
    }
    
    .hero-section {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
        padding: 0 15px;
    }
    
    .hero-content {
        max-width: 100%;
        order: 2;
    }
    
    .hero-image {
        height: 180px;
        order: 1;
    }
    
    .floating-element {
        width: 50px;
        height: 50px;
    }
    
    .floating-element i {
        font-size: 1.2rem;
    }
    
    .hero-content h1 {
        font-size: 2.2rem;
        white-space: normal;
        line-height: 1.2;
        margin-bottom: 1rem;
    }
    
    .hero-content p {
        font-size: 1rem;
        margin-bottom: 2rem;
        line-height: 1.6;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
        margin-top: 2rem;
    }
    
    .stat h3 {
        font-size: 2rem;
    }
    
    .stat p {
        font-size: 1rem;
    }
    
    .section-header h2 {
        font-size: 2.2rem;
        margin-bottom: 0.8rem;
    }
    
    .section-header p {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .about-text {
        order: 2;
    }
    
    .about-image {
        order: 1;
    }
    
    .features {
        gap: 1rem;
    }
    
    .feature {
        padding: 1.2rem;
        text-align: left;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .service-card {
        padding: 2rem 1.5rem;
        text-align: center;
    }
    
    .service-icon {
        width: 70px;
        height: 70px;
        margin-bottom: 1.2rem;
    }
    
    .service-icon i {
        font-size: 1.8rem;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-info {
        gap: 1rem;
    }
    
    .contact-item {
        padding: 1.2rem;
        flex-direction: column;
        text-align: center;
        gap: 0.8rem;
    }
    
    .contact-item i {
        font-size: 1.8rem;
    }
    
    .contact-form {
        padding: 2rem 1.5rem;
    }
    
    .form-group {
        margin-bottom: 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 250px;
        padding: 1.2rem 2rem;
        font-size: 1.1rem;
        justify-content: center;
        border-radius: 50px;
    }
    
    .executive-member {
        padding: 1.2rem;
        margin-bottom: 1rem;
    }
    
    .executive-member h5 {
        font-size: 1.1rem;
        margin-bottom: 0.8rem;
    }
    
    .executive-member p {
        font-size: 0.9rem;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .nav-container {
        padding: 1rem 1.5rem;
    }

    .logo-image {
        width: 60px;
        height: 60px;
    }

    .logo-text h2 {
        font-size: 2rem;
    }
    
    .hero {
        padding: 90px 0 50px;
    }
    
    .hero-section {
        padding: 0 10px;
    }
    
    .hero-content h1 {
        font-size: 1.8rem;
        white-space: normal;
        margin-bottom: 1rem;
    }
    
    .hero-content p {
        font-size: 0.95rem;
        margin-bottom: 1.5rem;
    }
    
    .hero-image {
        height: 150px;
    }
    
    .floating-element {
        width: 40px;
        height: 40px;
    }
    
    .floating-element i {
        font-size: 1rem;
    }
    
    .hero-stats {
        margin-top: 1.5rem;
    }
    
    .stat h3 {
        font-size: 1.8rem;
    }
    
    .section-header h2 {
        font-size: 1.9rem;
    }
    
    .section-header p {
        font-size: 0.95rem;
    }
    
    .about-text h3 {
        font-size: 1.6rem;
    }
    
    .feature {
        padding: 1rem;
        flex-direction: column;
        text-align: center;
        gap: 0.8rem;
    }
    
    .feature i {
        font-size: 1.8rem;
        margin-top: 0;
    }
    
    .service-card,
    .contact-form {
        padding: 1.5rem 1rem;
    }
    
    .service-icon {
        width: 60px;
        height: 60px;
    }
    
    .service-icon i {
        font-size: 1.5rem;
    }
    
    .service-card h3 {
        font-size: 1.2rem;
    }
    
    .portfolio-info {
        padding: 1.5rem 1rem;
    }
    
    .portfolio-info h3 {
        font-size: 1.2rem;
    }
    
    .contact-item {
        padding: 1rem;
    }
    
    .contact-item i {
        font-size: 1.5rem;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 280px;
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }
    
    .card {
        padding: 1.5rem 1rem;
    }
    
    .executive-member {
        padding: 1rem;
    }
    
    .executive-member h5 {
        font-size: 1rem;
    }
    
    .executive-member p {
        font-size: 0.85rem;
    }
}

/* 터치 친화적 요소들 */
@media (hover: none) and (pointer: coarse) {
    .btn-primary,
    .btn-secondary,
    .contact-item,
    .service-card,
    .portfolio-item {
        transition: none;
    }
    
    .btn-primary:hover,
    .btn-secondary:hover,
    .contact-item:hover,
    .service-card:hover,
    .portfolio-item:hover {
        transform: none;
    }
}

/* 매우 작은 화면 (320px 이하) */
@media (max-width: 320px) {
    .hero-content h1 {
        font-size: 1.6rem;
    }
    
    .section-header h2 {
        font-size: 1.7rem;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        padding: 1rem;
    }
    
    .service-card,
    .contact-form,
    .portfolio-info {
        padding: 1rem 0.8rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Loading animation */
.loading {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.loading.show {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 1024px) {
    .hero-content h1 {
        font-size: 2.5rem;
        white-space: normal;
    }
}

/* 기술적 느낌의 추가 패턴 */
.tech-pattern {
    position: relative;
}

.tech-pattern::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(90deg, transparent 50%, rgba(37, 99, 235, 0.02) 50%),
        linear-gradient(0deg, transparent 50%, rgba(37, 99, 235, 0.02) 50%);
    background-size: 40px 40px;
    pointer-events: none;
    opacity: 0.5;
}

/* Technology Section */
.technology {
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    position: relative;
    overflow: hidden;
}

.technology::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 15% 25%, rgba(37, 99, 235, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 85% 75%, rgba(37, 99, 235, 0.05) 0%, transparent 50%);
    background-size: 300px 300px;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.tech-category {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(37, 99, 235, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.tech-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.tech-category:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.tech-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.tech-icon i {
    font-size: 2rem;
    color: white;
}

.tech-category h3 {
    color: var(--text-color);
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

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

.tech-list li {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    padding: 0.8rem;
    background: rgba(37, 99, 235, 0.05);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.tech-list li:hover {
    background: rgba(37, 99, 235, 0.1);
    transform: translateX(5px);
}

.tech-list li i {
    color: var(--success-color);
    margin-right: 1rem;
    font-size: 1.1rem;
}

.tech-list li span {
    color: var(--text-color);
    font-weight: 500;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(37, 99, 235, 0.1);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--gray-600);
    font-size: 1.1rem;
    font-weight: 500;
}