/* MatsushibaDB Website - Old Style CSS with Perfect Margins */

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

body {
    margin: 0;
    padding: 0;
    font: normal 16px Verdana, "Trebuchet MS", Arial, sans-serif;
    text-align: left;
    line-height: 1.5em;
    background: #aaa url(images/grey.jpg) repeat;
    color: #666;
}

html {
    font-size: 100%;
}

@media (min-width: 768px) {
    body {
        font-size: 18px;
    }
}

@media (min-width: 992px) {
    body {
        font-size: 20px;
    }
}

@media (min-width: 1200px) {
    body {
        font-size: 22px;
    }
}

#container {
    border: 10px solid #fff;
    max-width: 1200px;
    margin: 20px auto;
    padding: 20px;
    background: #e6edf7;
    border-radius: 8px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background: #e6edf7;
    border: 10px solid #fff;
    border-radius: 8px;
}

/* Top Banner */
#banner_top {
    width: 100%;
    height: 250px;
    padding: 0;
    margin: 0 auto;
}

.header1 {
    float: left;
    width: 260px;
    height: 250px;
    padding: 0;
    margin-bottom: 0;
    background: url(logo.png) no-repeat;
    background-size: contain;
    background-position: center;
}

.header2 {
    float: right;
    width: calc(100% - 260px);
    height: 250px;
    padding: 0;
    margin-bottom: 0;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Header Styles */
.header {
    background: #e6edf7;
    color: #2c3e50;
    padding: 20px;
    margin-bottom: 20px;
    clear: both;
    border: 2px solid #22518D;
    border-radius: 8px;
}

.logo-section {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    flex-direction: column;
    text-align: center;
}

.logo-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
}

.logo {
    width: 200px;
    height: 150px;
    border: 2px solid #dc3545;
    border-radius: 8px;
    background: white;
    padding: 8px;
    object-fit: contain;
    display: block;
}

.brand h1 {
    font: bold 32px verdana, tahoma, arial, sans-serif;
    line-height: 1.3em;
    letter-spacing: 1px;
    color: #22518D;
    text-transform: uppercase;
    margin-bottom: 5px;
}

.tagline {
    font-size: 20px;
    color: #666;
    margin-bottom: 8px;
    font-weight: bold;
    text-align: center;
}

.subtitle {
    font-size: 16px;
    color: #999;
    font-style: italic;
    text-align: center;
}

.navigation ul {
    list-style: none;
    display: flex;
    gap: 15px;
    margin: 0;
    padding: 0;
    flex-wrap: wrap;
    justify-content: center;
}

.navigation a {
    color: #22518D;
    text-decoration: none;
    padding: 8px 16px;
    border: 1px solid #22518D;
    border-radius: 4px;
    transition: all 0.3s ease;
    font-weight: bold;
    font-size: 14px;
}

.navigation a:hover {
    background-color: #22518D;
    color: white;
}

/* About Matsushiba Systems Section */
.about-matsushiba {
    background: white;
    padding: 40px;
    margin-bottom: 30px;
    border-radius: 8px;
    border: 2px solid #22518D;
}

.about-content {
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
}

.about-matsushiba h2 {
    text-align: center;
    font: bold 24px verdana, tahoma, arial, sans-serif;
    margin-bottom: 30px;
    color: #2c3e50;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-description {
    font-size: 18px;
    color: #666;
    margin-bottom: 40px;
    line-height: 1.8;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.about-card {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 8px;
    border: 1px solid #e9ecef;
    text-align: left;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.about-card h3 {
    color: #22518D;
    margin-bottom: 15px;
    font-size: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-card p {
    color: #666;
    line-height: 1.6;
    margin: 0;
}

.about-links {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.about-links .btn {
    padding: 12px 30px;
    font-size: 16px;
    font-weight: bold;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s ease;
    display: inline-block;
}

.about-links .btn-primary {
    background-color: #22518D;
    color: white;
    border: 2px solid #22518D;
}

.about-links .btn-primary:hover {
    background-color: #1a3f6b;
    border-color: #1a3f6b;
    transform: translateY(-2px);
}

.about-links .btn-secondary {
    background-color: transparent;
    color: #22518D;
    border: 2px solid #22518D;
}

.about-links .btn-secondary:hover {
    background-color: #22518D;
    color: white;
    transform: translateY(-2px);
}

/* Active navigation link */
.navigation a.active {
    background-color: #22518D;
    color: white;
}

/* Hero Section */
.hero {
    background: #e6edf7;
    color: #2c3e50;
    padding: 40px 0;
    margin-bottom: 30px;
    text-align: center;
    border-radius: 8px;
    border: 2px solid #22518D;
}

.hero h2 {
    font: bold 28px verdana, tahoma, arial, sans-serif;
    line-height: 1.4em;
    letter-spacing: 1px;
    color: #2c3e50;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.hero-description {
    font-size: 16px;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
    font-weight: normal;
    color: #666;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 28px;
    font-weight: bold;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background-color: #e74c3c;
    color: white;
    border: 2px solid #e74c3c;
}

.btn-primary:hover {
    background-color: #c0392b;
    border-color: #c0392b;
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background-color: white;
    color: #667eea;
}

/* Main Content */
#content {
    padding: 0;
    margin: 0 20px;
}

/* Left Content */
#sidebar_left {
    float: left;
    width: 100%;
    margin-top: 20px;
    padding: 10px;
    box-sizing: border-box;
}

/* Right Content */
#sidebar_right {
    display: none;
}

@media (min-width: 992px) {
    #sidebar_right {
        display: block;
        float: right;
        width: 160px;
        margin-top: 20px;
        padding: 10px;
        box-sizing: border-box;
    }
}

/* Features Section */
.features {
    margin-bottom: 40px;
    background: white;
    padding: 30px;
    border-radius: 8px;
    border: 2px solid #22518D;
}

.features h2 {
    text-align: center;
    font: bold 24px verdana, tahoma, arial, sans-serif;
    margin-bottom: 30px;
    color: #2c3e50;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border: 1px solid #e9ecef;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.feature-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #2c3e50;
}

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

/* Installation Section */
.install {
    margin-bottom: 60px;
}

.install h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 20px;
    color: #2c3e50;
}

.install-description {
    text-align: center;
    font-size: 16px;
    color: #666;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.install-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.install-method {
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.method-header {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.method-icon {
    font-size: 24px;
}

.method-header h3 {
    font-size: 18px;
    flex: 1;
}

.method-badge {
    background-color: rgba(255,255,255,0.2);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: bold;
}

.method-content {
    padding: 20px;
}

.method-content p {
    margin-bottom: 15px;
    color: #666;
}

.code-block {
    background-color: #2c3e50;
    color: #ecf0f1;
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 15px;
    position: relative;
    font-family: 'Courier New', monospace;
}

.code-block code {
    font-size: 14px;
}

.copy-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: #e74c3c;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
}

.copy-btn:hover {
    background-color: #c0392b;
}

.method-features {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.feature-tag {
    background-color: #ecf0f1;
    color: #2c3e50;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: bold;
}

/* Quick Start Tabs */
.quick-start {
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.quick-start h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #2c3e50;
    text-align: center;
}

.quick-start-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
    gap: 10px;
}

.tab-btn {
    padding: 10px 20px;
    border: 1px solid #bdc3c7;
    background-color: white;
    color: #666;
    cursor: pointer;
    border-radius: 6px 6px 0 0;
    transition: all 0.3s ease;
}

.tab-btn.active {
    background-color: #3498db;
    color: white;
    border-color: #3498db;
}

.tab-btn:hover:not(.active) {
    background-color: #ecf0f1;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.tab-content .code-block {
    margin-bottom: 0;
}

.tab-content pre {
    margin: 0;
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* Documentation Section */
.documentation {
    margin-bottom: 60px;
}

.documentation h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 40px;
    color: #2c3e50;
}

.docs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.doc-card {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border: 1px solid #e9ecef;
    text-align: center;
    transition: transform 0.3s ease;
}

.doc-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.doc-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #2c3e50;
}

.doc-card p {
    color: #666;
    margin-bottom: 20px;
}

.doc-link {
    color: #3498db;
    text-decoration: none;
    font-weight: bold;
}

.doc-link:hover {
    color: #2980b9;
    text-decoration: underline;
}

/* Support Section */
.support {
    margin-bottom: 60px;
}

.support h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 40px;
    color: #2c3e50;
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.support-card {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border: 1px solid #e9ecef;
    text-align: center;
    transition: transform 0.3s ease;
}

.support-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.support-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #2c3e50;
}

.support-card p {
    color: #666;
    margin-bottom: 20px;
}

.support-link {
    color: #e74c3c;
    text-decoration: none;
    font-weight: bold;
}

.support-link:hover {
    color: #c0392b;
    text-decoration: underline;
}

/* Footer */
#footer {
    clear: both;
    padding: 10px;
    margin-top: 50px;
    background: #e6edf7;
    text-align: center;
}

.footer {
    background-color: #e6edf7;
    color: #666;
    padding: 30px 0 20px;
    margin-top: 40px;
    clear: both;
    border-top: 2px solid #22518D;
    border-radius: 8px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section h4 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #2c3e50;
    font-weight: bold;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}

.footer-section p {
    color: #2c3e50;
    line-height: 1.6;
    font-weight: 500;
}

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

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section ul li a {
    color: #22518D;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #1a3f6b;
    text-decoration: underline;
}

.footer-bottom {
    border-top: 2px solid #22518D;
    padding-top: 20px;
    text-align: center;
    color: #2c3e50;
    font-weight: 600;
}

/* License Content */
.license-content {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border: 1px solid #e9ecef;
    margin-bottom: 30px;
}

.license-text h3 {
    color: #22518D;
    margin-bottom: 20px;
    font-size: 24px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.license-text h4 {
    color: #2c3e50;
    margin-bottom: 15px;
    margin-top: 25px;
    font-size: 18px;
}

.license-text p {
    margin-bottom: 15px;
    line-height: 1.6;
}

.license-text ul {
    margin-bottom: 15px;
    padding-left: 20px;
}

.license-text li {
    margin-bottom: 8px;
}

.license-footer {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 2px solid #22518D;
    text-align: center;
}

.license-footer p {
    font-weight: bold;
    margin-bottom: 10px;
}

/* Guide Content */
.guide-content {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border: 1px solid #e9ecef;
    margin-bottom: 30px;
}

.guide-section {
    margin-bottom: 40px;
}

.guide-section h2 {
    margin: 0;
    padding: 20px 0 10px 20px;
    font: bold 36px verdana, tahoma, arial, sans-serif;
    line-height: 1.5em;
    letter-spacing: 2px;
    color: #fff;
    background: url(images/titlebg.gif) repeat-x;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.guide-section h3 {
    color: #22518D;
    margin-bottom: 15px;
    font-size: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.guide-section h4 {
    color: #2c3e50;
    margin-bottom: 10px;
    margin-top: 20px;
    font-size: 16px;
}

.guide-section p {
    margin-bottom: 15px;
    line-height: 1.6;
}

.guide-section ul {
    margin-bottom: 15px;
    padding-left: 20px;
}

.guide-section li {
    margin-bottom: 8px;
}

/* Typography */
p {
    padding: 0.5em;
    margin: 0;
}

h2 {
    margin: 0;
    padding: 20px 0 10px 20px;
    font: bold 36px verdana, tahoma, arial, sans-serif;
    line-height: 1.5em;
    letter-spacing: 2px;
    color: #fff;
    background: url(images/titlebg.gif) repeat-x;
    text-transform: uppercase;
}

blockquote {
    margin: 0;
    padding: 0;
    font: bold 24px "Trebuchet MS", Arial, sans-serif;
    color: #22518D;
    text-align: center;
    font-style: italic;
}

/* Documentation Navigation */
.docs-nav {
    margin-bottom: 60px;
}

.docs-nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.docs-nav-item {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border: 1px solid #e9ecef;
    text-decoration: none;
    color: inherit;
    transition: transform 0.3s ease;
}

.docs-nav-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.docs-nav-item h3 {
    color: #2c3e50;
    margin-bottom: 15px;
}

.docs-nav-item p {
    color: #666;
}

/* Documentation Sections */
.docs-section {
    margin-bottom: 60px;
}

.docs-content h3 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 24px;
}

.docs-content h4 {
    color: #34495e;
    margin-bottom: 15px;
    font-size: 20px;
}

.docs-content ul {
    margin-bottom: 20px;
    padding-left: 20px;
}

.docs-content li {
    margin-bottom: 8px;
    color: #666;
}

/* Concept Grid */
.concept-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.concept-card {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 6px;
    border-left: 4px solid #3498db;
}

.concept-card h4 {
    color: #2c3e50;
    margin-bottom: 10px;
}

.concept-card p {
    color: #666;
    font-size: 14px;
}

/* Architecture Diagram */
.architecture-diagram {
    margin-bottom: 30px;
}

.arch-layer {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px;
    margin-bottom: 10px;
    border-radius: 6px;
    text-align: center;
}

.arch-layer h4 {
    margin-bottom: 10px;
    font-size: 18px;
}

.arch-layer p {
    font-size: 14px;
    opacity: 0.9;
}

/* Component Grid */
.component-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.component-card {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border: 1px solid #e9ecef;
}

.component-card h4 {
    color: #2c3e50;
    margin-bottom: 15px;
}

.component-card p {
    color: #666;
    margin-bottom: 15px;
}

.component-card ul {
    padding-left: 20px;
}

.component-card li {
    color: #666;
    margin-bottom: 5px;
    font-size: 14px;
}

/* Role Grid */
.role-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.role-card {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 6px;
    border-top: 4px solid #e74c3c;
}

.role-card h4 {
    color: #2c3e50;
    margin-bottom: 10px;
}

.role-card p {
    color: #666;
    margin-bottom: 15px;
    font-size: 14px;
}

.role-card ul {
    padding-left: 20px;
}

.role-card li {
    color: #666;
    margin-bottom: 5px;
    font-size: 13px;
}

/* Benchmark Grid */
.benchmark-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.benchmark-card {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 6px;
    text-align: center;
    border-top: 4px solid #27ae60;
}

.benchmark-card h4 {
    color: #2c3e50;
    margin-bottom: 10px;
}

.benchmark-card p {
    color: #666;
    margin-bottom: 5px;
}

.benchmark-card p strong {
    color: #27ae60;
    font-size: 18px;
}

/* Scaling Grid */
.scaling-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.scaling-card {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border: 1px solid #e9ecef;
}

.scaling-card h4 {
    color: #2c3e50;
    margin-bottom: 15px;
}

.scaling-card ul {
    padding-left: 20px;
}

.scaling-card li {
    color: #666;
    margin-bottom: 8px;
}

/* API Navigation */
.api-nav {
    margin-bottom: 60px;
}

.api-nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.api-nav-item {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border: 1px solid #e9ecef;
    text-decoration: none;
    color: inherit;
    transition: transform 0.3s ease;
}

.api-nav-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.api-nav-item h3 {
    color: #2c3e50;
    margin-bottom: 10px;
    font-size: 18px;
}

.api-nav-item p {
    color: #666;
    font-size: 14px;
}

/* API Sections */
.api-section {
    margin-bottom: 60px;
}

.api-endpoint {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border: 1px solid #e9ecef;
    margin-bottom: 30px;
}

.api-endpoint h3 {
    color: #2c3e50;
    margin-bottom: 15px;
    font-size: 22px;
}

.api-endpoint h4 {
    color: #34495e;
    margin-bottom: 10px;
    margin-top: 20px;
    font-size: 18px;
}

.api-endpoint p {
    color: #666;
    margin-bottom: 15px;
}

/* Error Codes */
.error-codes {
    margin-bottom: 30px;
}

.error-category {
    margin-bottom: 30px;
}

.error-category h3 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 20px;
}

.error-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.error-item {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 6px;
    border-left: 4px solid #e74c3c;
}

.error-item code {
    background-color: #2c3e50;
    color: #ecf0f1;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    display: block;
    margin-bottom: 8px;
}

.error-item p {
    color: #666;
    font-size: 14px;
    margin: 0;
}

/* Examples Navigation */
.examples-nav {
    margin-bottom: 60px;
}

.examples-nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.examples-nav-item {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border: 1px solid #e9ecef;
    text-decoration: none;
    color: inherit;
    transition: transform 0.3s ease;
}

.examples-nav-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.examples-nav-item h3 {
    color: #2c3e50;
    margin-bottom: 10px;
    font-size: 18px;
}

.examples-nav-item p {
    color: #666;
    font-size: 14px;
}

/* Examples Sections */
.examples-section {
    margin-bottom: 60px;
}

.example-card {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border: 1px solid #e9ecef;
    margin-bottom: 30px;
}

.example-card h3 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 22px;
}

/* Support Options */
.support-options {
    margin-bottom: 60px;
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.support-card {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border: 1px solid #e9ecef;
    text-align: center;
    transition: transform 0.3s ease;
}

.support-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.support-icon {
    font-size: 40px;
    margin-bottom: 20px;
}

.support-card h3 {
    color: #2c3e50;
    margin-bottom: 15px;
}

.support-card p {
    color: #666;
    margin-bottom: 20px;
}

.support-details {
    text-align: left;
    margin-bottom: 20px;
}

.support-details p {
    margin-bottom: 8px;
    font-size: 14px;
}

.support-details strong {
    color: #2c3e50;
}

.support-link {
    display: inline-block;
    background-color: #3498db;
    color: white;
    padding: 10px 20px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.support-link:hover {
    background-color: #2980b9;
}

/* FAQ Section */
.faq-section {
    margin-bottom: 60px;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.faq-item {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border: 1px solid #e9ecef;
}

.faq-item h3 {
    color: #2c3e50;
    margin-bottom: 15px;
    font-size: 18px;
}

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

/* Troubleshooting Section */
.troubleshooting-section {
    margin-bottom: 60px;
}

.troubleshooting-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.trouble-category {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border: 1px solid #e9ecef;
}

.trouble-category h3 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 20px;
}

.trouble-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.trouble-item {
    padding: 15px;
    background: #f8f9fa;
    border-radius: 6px;
    border-left: 4px solid #e74c3c;
}

.trouble-item h4 {
    color: #2c3e50;
    margin-bottom: 10px;
    font-size: 16px;
}

.trouble-item p {
    color: #666;
    margin-bottom: 8px;
    font-size: 14px;
}

.trouble-item strong {
    color: #2c3e50;
}

/* Contact Section */
.contact-section {
    margin-bottom: 60px;
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border: 1px solid #e9ecef;
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #2c3e50;
    font-weight: bold;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #bdc3c7;
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

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

/* Resources Section */
.resources-section {
    margin-bottom: 60px;
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.resource-card {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border: 1px solid #e9ecef;
}

.resource-card h3 {
    color: #2c3e50;
    margin-bottom: 15px;
}

.resource-card ul {
    list-style: none;
    padding: 0;
}

.resource-card li {
    margin-bottom: 8px;
}

.resource-card a {
    color: #3498db;
    text-decoration: none;
}

.resource-card a:hover {
    color: #2980b9;
    text-decoration: underline;
}

/* Requirements */
.requirements {
    margin-bottom: 50px;
}

.requirements h3 {
    text-align: center;
    font-size: 24px;
    margin-bottom: 30px;
    color: #2c3e50;
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.requirement-card {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border: 1px solid #e9ecef;
}

.requirement-card h4 {
    color: #2c3e50;
    margin-bottom: 15px;
}

.requirement-card ul {
    padding-left: 20px;
}

.requirement-card li {
    color: #666;
    margin-bottom: 8px;
}

/* Configuration */
.configuration {
    margin-bottom: 50px;
}

.configuration h3 {
    text-align: center;
    font-size: 24px;
    margin-bottom: 30px;
    color: #2c3e50;
}

.config-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
    gap: 10px;
}

.config-tabs .tab-btn {
    padding: 10px 20px;
    border: 1px solid #bdc3c7;
    background-color: white;
    color: #666;
    cursor: pointer;
    border-radius: 6px 6px 0 0;
    transition: all 0.3s ease;
}

.config-tabs .tab-btn.active {
    background-color: #3498db;
    color: white;
    border-color: #3498db;
}

.config-tabs .tab-btn:hover:not(.active) {
    background-color: #ecf0f1;
}

/* Troubleshooting */
.troubleshooting {
    margin-bottom: 50px;
}

.troubleshooting h3 {
    text-align: center;
    font-size: 24px;
    margin-bottom: 30px;
    color: #2c3e50;
}

.troubleshooting-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.trouble-card {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border: 1px solid #e9ecef;
}

.trouble-card h4 {
    color: #2c3e50;
    margin-bottom: 15px;
}

.trouble-card p {
    color: #666;
    margin-bottom: 15px;
}

/* Large Desktop Screens */
@media (min-width: 1200px) {
    .logo {
        width: 240px;
        height: 180px;
    }
    
    .tagline {
        font-size: 22px;
    }
    
    .subtitle {
        font-size: 18px;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
        margin: 10px;
    }
    
    .logo-section {
        flex-direction: column;
        text-align: center;
    }
    
    .logo-container {
        margin-bottom: 15px;
    }
    
    .logo {
        width: 160px;
        height: 120px;
    }
    
    .tagline {
        font-size: 18px;
    }
    
    .subtitle {
        font-size: 14px;
    }
    
    .brand h1 {
        font-size: 24px;
    }
    
    .navigation ul {
        justify-content: center;
        gap: 10px;
        flex-wrap: wrap;
    }
    
    .navigation a {
        padding: 6px 12px;
        font-size: 12px;
    }
    
    .hero h2 {
        font-size: 20px;
    }
    
    .hero-description {
        font-size: 14px;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .about-links {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .install-methods {
        grid-template-columns: 1fr;
    }
    
    .quick-start-tabs {
        flex-direction: column;
    }
    
    .tab-btn {
        border-radius: 6px;
        margin-bottom: 5px;
    }
    
    .docs-nav-grid,
    .api-nav-grid,
    .examples-nav-grid {
        grid-template-columns: 1fr;
    }
    
    .concept-grid,
    .role-grid,
    .benchmark-grid,
    .component-grid,
    .scaling-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .brand h1 {
        font-size: 24px;
    }
    
    .hero h2 {
        font-size: 28px;
    }
    
    .hero-description {
        font-size: 16px;
    }
    
    .features-grid,
    .docs-grid,
    .support-grid {
        grid-template-columns: 1fr;
    }
    
    .support-grid,
    .faq-grid,
    .troubleshooting-grid,
    .resources-grid {
        grid-template-columns: 1fr;
    }
}