@font-face {
    font-family: 'GmarketSans';
    src: url('GmarketSansTTFLight.ttf') format('truetype');
    font-weight: 300;
    font-style: normal;
}

@font-face {
    font-family: 'GmarketSans';
    src: url('GmarketSansTTFMedium.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'GmarketSans';
    src: url('GmarketSansTTFBold.ttf') format('truetype');
    font-weight: bold;
    font-style: normal;
}

:root {
    --color-dark-blue: #0A1B2A;
    --color-blue: #1A73E8;
    --color-teal: #00B8D4;
    --color-light-gray: #F5F7FA;
    --color-yellow: #FFD600;
    --color-green: #00C853;
    --color-navy: #050E1A;
    --gradient-blue: linear-gradient(135deg, #0A1B2A 0%, #1E3A5F 100%);
    --font-main: 'GmarketSans', sans-serif;
    --font-secondary: 'Noto Sans KR', sans-serif;
    --transition-default: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    color: #333;
    line-height: 1.6;
    background-color: var(--color-navy);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-main);
    color: var(--color-light-gray);
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
    color: var(--color-light-gray);
}

a {
    text-decoration: none;
    color: var(--color-blue);
    transition: var(--transition-default);
}

a:hover {
    color: var(--color-teal);
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header Styles */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(5, 14, 26, 0.9);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    transition: var(--transition-default);
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-logo-img {
    max-height: 40px;
    width: auto;
}

.main-nav ul {
    display: flex;
}

.main-nav li {
    margin-left: 2rem;
}

.main-nav a {
    color: var(--color-light-gray);
    font-weight: 500;
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-teal);
    transition: var(--transition-default);
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-light-gray);
    margin: 2px 0;
    transition: var(--transition-default);
}

/* Hero Section */
.hero-section {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: var(--gradient-blue);
    position: relative;
    overflow: hidden;
}

.hero-section .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.hero-content {
    width: 50%;
    z-index: 1;
}

.main-title {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--color-light-gray);
    opacity: 0.9;
}

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

.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: 4px;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-default);
}

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

.btn-primary:hover {
    background-color: #0d5bba;
    color: white;
}

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

.btn-secondary:hover {
    background-color: var(--color-light-gray);
    color: var(--color-dark-blue);
}

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

.btn-outline:hover {
    background-color: var(--color-blue);
    color: white;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.hero-visual {
    width: 50%;
    height: 100%;
    position: relative;
}

.visual-container {
    width: 100%;
    height: 100%;
    position: relative;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--color-light-gray);
    opacity: 0.7;
    animation: bounce 2s infinite;
}

.scroll-text {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.scroll-arrow {
    font-size: 1.5rem;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* Section Styles */
section {
    padding: 6rem 0;
}

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

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--color-light-gray);
    opacity: 0.8;
    max-width: 700px;
    margin: 0 auto;
}

/* Grafana Section */
.grafana-section {
    background-color: var(--color-dark-blue);
}

.grafana-content {
    display: flex;
    align-items: center;
    gap: 4rem;
}

.grafana-text, .ai-mcp-text {
    flex: 1;
}

.grafana-visual, .ai-mcp-visual {
    flex: 1;
}

.feature-list {
    margin: 1.5rem 0;
}

.feature-list li {
    margin-bottom: 0.8rem;
    position: relative;
    padding-left: 1.5rem;
    color: var(--color-light-gray);
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-teal);
}

.dashboard-container {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    margin-bottom: 2rem;
}

.dashboard-image {
    width: 100%;
    height: auto;
    display: block;
}

.dashboard-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 27, 42, 0.2);
}

.pulse-point {
    position: absolute;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: var(--color-teal);
    transform: translate(-50%, -50%);
}

.pulse-point::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: var(--color-teal);
    opacity: 0.6;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.6;
    }
    70% {
        transform: scale(2);
        opacity: 0;
    }
    100% {
        transform: scale(1);
        opacity: 0;
    }
}

/* Grafana Demo Chart */
.grafana-demo {
    margin-top: 2rem;
}

.demo-chart-container {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    height: 250px;
}

/* AI MCP Section */
.ai-mcp-section {
    background-color: #0c1f30;
}

.ai-mcp-content {
    display: flex;
    align-items: center;
    gap: 4rem;
    flex-direction: row-reverse;
}

.ai-diagram {
    position: relative;
    width: 100%;
    height: 400px;
    background-color: rgba(5, 14, 26, 0.5);
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.diagram-node {
    position: absolute;
    width: 100px;
    height: 100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.node-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-dark-blue);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.node-label {
    font-size: 0.9rem;
    color: var(--color-light-gray);
}

.node-server {
    top: 10%;
    left: 20%;
}

.node-db {
    top: 10%;
    right: 20%;
}

.node-ai {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.node-desktop {
    bottom: 10%;
    left: 50%;
    transform: translateX(-50%);
}

.server-icon {
    background-color: var(--color-blue);
}

.db-icon {
    background-color: var(--color-teal);
}

.ai-icon {
    background-color: var(--color-yellow);
}

.desktop-icon {
    background-color: var(--color-green);
}

.diagram-connection {
    position: absolute;
    background-color: rgba(255, 255, 255, 0.2);
    z-index: -1;
}

.connection-1 {
    width: 2px;
    height: 100px;
    top: 25%;
    left: 30%;
    transform: rotate(45deg);
}

.connection-2 {
    width: 2px;
    height: 100px;
    top: 25%;
    right: 30%;
    transform: rotate(-45deg);
}

.connection-3 {
    width: 2px;
    height: 120px;
    top: 55%;
    left: 50%;
    transform: translateX(-50%);
}

/* AI Stats */
.ai-stats-container {
    display: flex;
    justify-content: space-between;
    margin-top: 2rem;
}

.ai-stat {
    text-align: center;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 1.5rem;
    flex: 1;
    margin: 0 0.5rem;
    transition: var(--transition-default);
}

.ai-stat:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.stat-value {
    font-size: 2rem;
    font-weight: bold;
    color: var(--color-teal);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-light-gray);
}

/* AI Demo Controls */
.ai-demo-controls {
    margin-top: 2rem;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 1.5rem;
}

.ai-demo-controls h4 {
    margin-bottom: 1rem;
}

.demo-controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.simulation-status {
    display: flex;
    align-items: center;
    margin-top: 1rem;
}

.status-label {
    margin-right: 0.5rem;
    color: var(--color-light-gray);
}

.status-value {
    font-weight: bold;
    color: var(--color-teal);
}

/* Tech Showcase Section */
.tech-showcase-section {
    background-color: var(--color-navy);
}

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

.tech-card {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition-default);
}

.tech-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.tech-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-light-gray);
}

.visualization-icon {
    background-color: var(--color-blue);
}

.ai-tech-icon {
    background-color: var(--color-yellow);
}

.integration-icon {
    background-color: var(--color-teal);
}

.monitoring-icon {
    background-color: var(--color-green);
}

/* Projects Section */
.projects-section {
    background-color: #0c1f30;
}

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

.project-card {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition-default);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.project-image {
    height: 200px;
    background-size: cover;
    background-position: center;
}

.project-image-1 {
    background-image: url('images/dashboard.jpg');
}

.project-image-2 {
    background-color: var(--color-dark-blue);
}

.project-image-3 {
    background-color: var(--color-dark-blue);
}

.project-info {
    padding: 1.5rem;
}

.project-info h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.project-info p {
    margin-bottom: 1rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Contact Section */
.contact-section {
    background-color: var(--color-navy);
}

.contact-content {
    display: flex;
    gap: 4rem;
}

.contact-form-container {
    flex: 1;
}

.contact-info {
    flex: 1;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--color-light-gray);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--color-light-gray);
}

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

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

.info-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin-right: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--color-light-gray);
}

.info-text h4 {
    margin-bottom: 0.5rem;
}

.info-text p {
    opacity: 0.8;
}

/* Footer */
.main-footer {
    background-color: var(--color-dark-blue);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 3rem;
}

.footer-logo-img {
    max-width: 200px;
    height: auto;
    margin-bottom: 1rem;
}

.footer-logo p {
    opacity: 0.8;
}

.footer-links {
    display: flex;
    gap: 3rem;
}

.footer-links-column h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.footer-links-column ul li {
    margin-bottom: 0.8rem;
}

.footer-links-column a {
    color: var(--color-light-gray);
    opacity: 0.8;
}

.footer-links-column a:hover {
    opacity: 1;
}

.company-info {
    margin: 2rem 0;
    padding: 1.5rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.company-info p {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--color-light-gray);
    opacity: 0.8;
}

.company-info a {
    color: var(--color-teal);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
}

.copyright {
    opacity: 0.6;
    font-size: 0.9rem;
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-link {
    color: var(--color-light-gray);
    opacity: 0.6;
    font-size: 0.9rem;
}

.social-link:hover {
    opacity: 1;
}

/* Animation Classes */
.visible {
    animation: fadeInUp 0.8s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Styles */
@media (max-width: 992px) {
    .hero-section .container {
        flex-direction: column;
        text-align: center;
    }

    .hero-content, .hero-visual {
        width: 100%;
    }

    .hero-content {
        margin-bottom: 2rem;
    }

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

    .grafana-content, .ai-mcp-content {
        flex-direction: column;
        gap: 2rem;
    }

    .contact-content {
        flex-direction: column;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-links {
        flex-wrap: wrap;
    }
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
    }

    .main-nav.active {
        display: block;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--color-dark-blue);
        padding: 1rem 0;
    }

    .main-nav.active ul {
        flex-direction: column;
        align-items: center;
    }

    .main-nav.active li {
        margin: 0.5rem 0;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

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

    .main-title {
        font-size: 2.5rem;
    }

    .subtitle {
        font-size: 1.2rem;
    }

    .ai-stats-container {
        flex-direction: column;
        gap: 1rem;
    }

    .ai-stat {
        margin: 0;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 1rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

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

    .cta-buttons {
        flex-direction: column;
        gap: 1rem;
    }

    .btn {
        width: 100%;
    }

    .demo-controls {
        flex-direction: column;
    }
}

/* 서비스 메뉴 섹션 스타일 */
.services-section {
    background-color: var(--color-dark-blue);
    color: var(--color-light-gray);
    padding: 6rem 0;
}

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

.service-card {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.service-icon {
    width: 70px;
    height: 70px;
    background-color: var(--color-primary-transparent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--color-primary);
}

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

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

.service-features {
    list-style-type: none;
    padding: 0;
    margin: 0 0 1.5rem 0;
}

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

.service-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-teal);
}

.services-cta {
    text-align: center;
    margin-top: 3rem;
    padding: 2rem;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

.services-cta p {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* 서비스 아이콘 특화 스타일 */
.dashboard-icon {
    background-color: rgba(64, 196, 255, 0.1);
    color: #40c4ff;
}

.alarm-icon {
    background-color: rgba(255, 82, 82, 0.1);
    color: #ff5252;
}

.ai-icon {
    background-color: rgba(156, 39, 176, 0.1);
    color: #9c27b0;
}

.system-icon {
    background-color: rgba(255, 193, 7, 0.1);
    color: #ffc107;
}

.traffic-icon {
    background-color: rgba(76, 175, 80, 0.1);
    color: #4caf50;
}

/* 반응형 디자인 - 서비스 섹션 */
@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card {
        padding: 1.5rem;
    }
}

/* Grafana 확장 섹션 스타일 */
.grafana-extended-section {
    margin-top: 4rem;
    padding: 2rem 0;
}

.subsection-title {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--color-light-gray);
}

.subsection-subtitle {
    font-size: 1.1rem;
    color: var(--color-light-gray);
    opacity: 0.8;
    margin-bottom: 2rem;
}

.visualization-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.visualization-card {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.visualization-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.visualization-header {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.visualization-header h4 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--color-light-gray);
}

.visualization-header p {
    font-size: 0.9rem;
    color: var(--color-light-gray);
    opacity: 0.8;
}

.visualization-content {
    padding: 1.5rem;
}

.visualization-container {
    height: 300px;
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
}

.visualization-features ul {
    list-style: none;
    padding: 0;
}

.visualization-features li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--color-light-gray);
    font-size: 0.9rem;
}

.visualization-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-teal);
}

/* 모니터링 대시보드 스타일 */
.monitoring-dashboard {
    margin-bottom: 3rem;
}

.dashboard-header {
    margin-bottom: 2rem;
}

.dashboard-header h4 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--color-light-gray);
}

.dashboard-header p {
    font-size: 1rem;
    color: var(--color-light-gray);
    opacity: 0.8;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.dashboard-card {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.dashboard-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.dashboard-card-header {
    padding: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dashboard-card-header h5 {
    font-size: 1.1rem;
    margin: 0;
    color: var(--color-light-gray);
}

.card-status {
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
}

.card-status.normal {
    background-color: rgba(76, 175, 80, 0.2);
    color: #4caf50;
}

.card-status.warning {
    background-color: rgba(255, 193, 7, 0.2);
    color: #ffc107;
}

.card-status.critical {
    background-color: rgba(244, 67, 54, 0.2);
    color: #f44336;
}

.dashboard-card-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
}

.gauge-container, .chart-container {
    height: 150px;
    margin-bottom: 1rem;
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
    position: relative;
}

.stats-container {
    display: flex;
    justify-content: space-between;
}

.stat-item {
    text-align: center;
}

.stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--color-light-gray);
    opacity: 0.7;
    margin-bottom: 0.3rem;
}

.stat-value {
    font-size: 1.1rem;
    font-weight: bold;
    color: var(--color-light-gray);
}

.dashboard-card-footer {
    padding: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.trend-indicator {
    display: flex;
    align-items: center;
    font-size: 0.9rem;
}

.trend-indicator.up {
    color: #4caf50;
}

.trend-indicator.down {
    color: #f44336;
}

.trend-arrow {
    margin-right: 0.5rem;
    font-weight: bold;
}

.grafana-cta {
    text-align: center;
    margin-top: 3rem;
    padding: 2rem;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

.grafana-cta p {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* 반응형 디자인 */
@media (max-width: 992px) {
    .visualization-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .stat-item {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    
    .stat-label {
        margin-bottom: 0;
    }
}

/* 대시보드 개발 섹션 스타일 */
.dashboard-development-section {
    margin-top: 4rem;
    padding: 2rem 0;
}

.dashboard-video-container {
    margin: 2rem 0;
    position: relative;
    width: 100%;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.dashboard-video {
    width: 100%;
    display: block;
}

.video-caption {
    padding: 1rem;
    background-color: rgba(0, 0, 0, 0.7);
    color: var(--color-light-gray);
    text-align: center;
    font-size: 0.9rem;
}

.dashboard-features {
    margin: 3rem 0;
}

.dashboard-features h4 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--color-light-gray);
}

.dashboard-gallery {
    margin: 3rem 0;
}

.dashboard-gallery h4 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--color-light-gray);
}

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

.gallery-item {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.gallery-image {
    width: 100%;
    height: auto;
    display: block;
}

.gallery-caption {
    padding: 1rem;
    background-color: rgba(0, 0, 0, 0.7);
    color: var(--color-light-gray);
    font-size: 0.9rem;
}

.dashboard-cta {
    text-align: center;
    margin-top: 3rem;
    padding: 2rem;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

.dashboard-cta p {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}