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

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

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

/* 네비게이션 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

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

.nav-logo h2 {
    color: #2c5aa0;
    font-weight: 700;
    font-size: 2rem;
    letter-spacing: 2px;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #2c5aa0;
    background: rgba(44, 90, 160, 0.1);
}

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

.bar {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* 메인 히어로 섹션 */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 120px 50px 50px;
    color: white;
    position: relative;
    overflow: hidden;
}

.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 0 100 100"><circle cx="20" cy="20" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="40" r="1.5" fill="rgba(255,255,255,0.1)"/><circle cx="40" cy="80" r="1" fill="rgba(255,255,255,0.1)"/></svg>');
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

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

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    animation: slideInLeft 1s ease-out;
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    animation: slideInLeft 1s ease-out 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    animation: slideInLeft 1s ease-out 0.4s both;
}

.btn-primary, .btn-secondary {
    padding: 15px 30px;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: #ff6b6b;
    color: white;
}

.btn-primary:hover {
    background: #ff5252;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 107, 107, 0.3);
}

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

.btn-secondary:hover {
    background: white;
    color: #667eea;
    transform: translateY(-2px);
}

.btn-inventory {
    background: #28a745;
    color: white;
}

.btn-inventory:hover {
    background: #218838;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(40, 167, 69, 0.3);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2;
    position: relative;
}

.hero-image i {
    font-size: 15rem;
    opacity: 0.3;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 섹션 공통 스타일 */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #333;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 2px;
}

/* 바코드 생성기 섹션 */
.barcode-generator {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
}

.barcode-generator::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 0 100 100"><rect x="10" y="10" width="2" height="80" fill="rgba(102,126,234,0.05)"/><rect x="15" y="10" width="1" height="80" fill="rgba(102,126,234,0.05)"/><rect x="20" y="10" width="3" height="80" fill="rgba(102,126,234,0.05)"/><rect x="25" y="10" width="1" height="80" fill="rgba(102,126,234,0.05)"/><rect x="30" y="10" width="2" height="80" fill="rgba(102,126,234,0.05)"/></svg>');
    opacity: 0.3;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.generator-container {
    position: relative;
    z-index: 2;
    max-width: 1000px;
    margin: 0 auto;
}

.barcode-type-selector {
    margin-bottom: 2rem;
}

.type-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.type-tab {
    background: white;
    border: 2px solid #e0e0e0;
    padding: 1rem 2rem;
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    font-weight: 500;
    color: #666;
}

.type-tab:hover {
    border-color: #667eea;
    color: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.2);
}

.type-tab.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: #667eea;
    color: white;
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.3);
}

.type-tab i {
    font-size: 1.2rem;
}

.generator-content {
    background: white;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    margin-bottom: 2rem;
}

.generator-panel {
    display: none;
    padding: 2.5rem;
}

.generator-panel.active {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.input-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-group label {
    font-weight: 600;
    color: #333;
    font-size: 0.95rem;
}

.input-group input[type="text"],
.input-group input[type="email"],
.input-group input[type="tel"],
.input-group textarea,
.input-group select {
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    outline: none;
    transition: all 0.3s ease;
    background: #fafafa;
}

.input-group input:focus,
.input-group textarea:focus,
.input-group select:focus {
    border-color: #667eea;
    background: white;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.input-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.input-group input[type="range"] {
    background: #e0e0e0;
    border-radius: 10px;
    height: 6px;
    outline: none;
    -webkit-appearance: none;
}

.input-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #667eea;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(102, 126, 234, 0.3);
}

.input-group input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #667eea;
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 6px rgba(102, 126, 234, 0.3);
}

.range-value {
    font-size: 0.9rem;
    color: #667eea;
    font-weight: 600;
    text-align: center;
    margin-top: 0.5rem;
}

.input-group input[type="color"] {
    width: 50px;
    height: 40px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    cursor: pointer;
    outline: none;
    transition: all 0.3s ease;
}

.input-group input[type="color"]:hover {
    border-color: #667eea;
}

.btn-generate {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.btn-generate:hover {
    background: linear-gradient(135deg, #ff5252 0%, #d63031 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 107, 107, 0.3);
}

.btn-generate:active {
    transform: translateY(0);
}

.output-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.barcode-preview {
    background: #f8f9fa;
    border: 2px dashed #e0e0e0;
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    width: 100%;
    transition: all 0.3s ease;
}

.barcode-preview.has-barcode {
    border-color: #667eea;
    background: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.barcode-preview canvas {
    max-width: 100%;
    height: auto;
    border: 1px solid #ddd;
    border-radius: 8px;
    background: #f8f9fa;
    display: block;
    margin: 0 auto;
}

/* QR 코드 캔버스 특별 스타일 */
#barcode-2d-canvas {
    width: 256px !important;
    height: 256px !important;
    max-width: 100%;
    height: auto;
    border: 2px solid #e9ecef;
    border-radius: 12px;
    background: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

#barcode-2d-canvas:hover {
    border-color: #2c5aa0;
    box-shadow: 0 6px 20px rgba(44, 90, 160, 0.2);
}

/* 1D 바코드 캔버스 스타일 */
#barcode-1d-canvas {
    max-width: 100%;
    height: auto;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    background: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

#barcode-1d-canvas:hover {
    border-color: #2c5aa0;
    box-shadow: 0 6px 20px rgba(44, 90, 160, 0.2);
}

.preview-text {
    color: #999;
    font-size: 0.9rem;
    margin: 0;
}

.download-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.btn-download {
    background: #667eea;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 25px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-download:hover:not(:disabled) {
    background: #5a67d8;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.btn-download:disabled {
    background: #ccc;
    cursor: not-allowed;
    opacity: 0.6;
}

.usage-guide {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.usage-guide h3 {
    color: #333;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.usage-guide h3 i {
    color: #667eea;
}

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

.guide-item {
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 15px;
    border-left: 4px solid #667eea;
}

.guide-item h4 {
    color: #333;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.guide-item p {
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* 회사소개 섹션 */
.about {
    padding: 100px 0;
    background: #f8f9fa;
}

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

.about-text h3 {
    font-size: 2rem;
    color: #2c5aa0;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.about-text p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

.feature-item {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    text-align: center;
}

.feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.feature-item i {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 1.5rem;
}

.feature-item h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.feature-item p {
    color: #666;
    line-height: 1.6;
}

/* 서비스 섹션 */
.services {
    padding: 100px 0;
    background: white;
}

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

.service-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    transition: all 0.3s ease;
    transform: scale(0);
}

.service-card:hover::before {
    transform: scale(1);
}

.service-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 25px 50px rgba(102, 126, 234, 0.3);
}

.service-card i {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 2;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 2;
}

.service-card p {
    margin-bottom: 1.5rem;
    opacity: 0.9;
    position: relative;
    z-index: 2;
}

.service-card ul {
    list-style: none;
    text-align: left;
    position: relative;
    z-index: 2;
}

.service-card li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.service-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #4ecdc4;
    font-weight: bold;
}

/* 게시판 섹션 */
.board {
    padding: 100px 0;
    background: #f8f9fa;
}

.board-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.search-box {
    display: flex;
    gap: 0.5rem;
}

.search-box input {
    padding: 10px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 25px;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
    min-width: 250px;
}

.search-box input:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.search-box button {
    padding: 10px 15px;
    background: #667eea;
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.search-box button:hover {
    background: #5a67d8;
    transform: scale(1.1);
}

.write-form {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

.write-form h3 {
    margin-bottom: 1.5rem;
    color: #333;
}

.write-form input,
.write-form textarea {
    width: 100%;
    padding: 12px 15px;
    margin-bottom: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    outline: none;
    transition: all 0.3s ease;
}

.write-form input:focus,
.write-form textarea:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-buttons {
    display: flex;
    gap: 1rem;
}

.board-list {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.board-header {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem;
    font-weight: 600;
}

.post-item {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 80px;
    padding: 1rem;
    border-bottom: 1px solid #e0e0e0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.post-item:hover {
    background: #f8f9fa;
    transform: translateX(5px);
}

.post-item:last-child {
    border-bottom: none;
}

.col-title {
    font-weight: 500;
    color: #333;
}

.col-author,
.col-date,
.col-views {
    color: #666;
    text-align: center;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.page-btn {
    padding: 10px 15px;
    border: 2px solid #e0e0e0;
    background: white;
    color: #666;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.page-btn:hover,
.page-btn.active {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

/* 모달 */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: white;
    margin: 5% auto;
    padding: 2rem;
    border-radius: 15px;
    width: 90%;
    max-width: 800px;
    position: relative;
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.close {
    position: absolute;
    right: 1rem;
    top: 1rem;
    font-size: 2rem;
    cursor: pointer;
    color: #999;
    transition: color 0.3s ease;
}

.close:hover {
    color: #333;
}

/* 연락처 섹션 */
.contact {
    padding: 100px 0;
    background: white;
}

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

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.contact-item i {
    font-size: 1.5rem;
    color: #667eea;
    margin-top: 0.2rem;
}

.contact-item h4 {
    color: #333;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.contact-item p {
    color: #666;
    line-height: 1.6;
}

.contact-form {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.contact-form h3 {
    margin-bottom: 1.5rem;
    color: #333;
    text-align: center;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    margin-bottom: 1rem;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    background: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    outline: none;
    transition: all 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.2);
}

/* 푸터 */
.footer {
    background: #2c3e50;
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #4ecdc4;
}

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

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #4ecdc4;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #34495e;
    color: #95a5a6;
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    /* 바코드 생성기 반응형 */
    .generator-panel.active {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .type-tabs {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .type-tab {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .input-row {
        grid-template-columns: 1fr;
    }
    
    .guide-content {
        grid-template-columns: 1fr;
    }
    
    .generator-container {
        max-width: 100%;
    }
    
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 120px 20px 50px;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-image {
        margin-top: 2rem;
    }
    
    .hero-image i {
        font-size: 8rem;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .board-header,
    .post-item {
        grid-template-columns: 2fr 1fr;
        gap: 1rem;
    }
    
    .col-date,
    .col-views {
        display: none;
    }
    
    .board-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-box input {
        min-width: auto;
        width: 100%;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1.1rem;
    }
    
    .btn-primary,
    .btn-secondary {
        padding: 12px 24px;
        font-size: 1rem;
    }
    
    .modal-content {
        margin: 10% auto;
        padding: 1.5rem;
        width: 95%;
    }
    
    .board-header,
    .post-item {
        grid-template-columns: 1fr;
        text-align: left;
    }
    
    .col-author {
        font-size: 0.9rem;
        color: #999;
        margin-top: 0.5rem;
    }
}

/* 스크롤 애니메이션 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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

/* 커스텀 스크롤바 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%);
}