/* Enterprise-grade styling for Backend Framework landing page */

:root {
    /* Hacker/terminal theme colors */
    --color-bg-primary: #080808;
    --color-bg-secondary: #141414;
    --color-bg-tertiary: #1a1a1a;
    --color-card: #1a1a1a;
    --color-card-green: hsl(120, 50%, 15%);
    --color-text-primary: hsl(120, 70%, 65%);
    --color-text-secondary: hsl(120, 60%, 70%);
    --color-text-tertiary: hsl(120, 40%, 55%);
    --color-border: hsl(120, 30%, 25%);
    --color-border-hover: hsl(120, 40%, 35%);
    --color-accent: hsl(120, 70%, 55%);
    --color-accent-hover: hsl(120, 70%, 65%);
    --color-accent-cyan: hsl(180, 70%, 55%);
    --color-green-glow: rgba(100, 200, 100, 0.3);
    --color-cyan-glow: rgba(100, 200, 200, 0.3);
    --color-success: hsl(120, 70%, 55%);
    --color-warning: hsl(45, 80%, 55%);
    --color-error: hsl(0, 80%, 55%);
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --max-width: 1200px;
}

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

body {
    font-family: 'JetBrains Mono', 'Share Tech Mono', 'Courier New', 'Courier', monospace;
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Navigation */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.8),
        0 0 0 1px var(--color-green-glow),
        0 0 15px -5px var(--color-green-glow);
    padding: var(--spacing-sm) 0;
    transition: transform 0.3s ease;
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    position: relative;
}

.nav-brand h1 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-accent);
    text-shadow: 
        0 0 4px var(--color-green-glow),
        0 0 8px var(--color-green-glow);
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex: 1;
    justify-content: center;
}

.nav-item {
    position: relative;
}

.nav-category,
.nav-category-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.8125rem;
    font-weight: 600;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    background: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    white-space: nowrap;
}

.nav-category:hover,
.nav-category-link:hover {
    color: var(--color-accent);
    background-color: var(--color-bg-tertiary);
    text-shadow: 0 0 3px var(--color-green-glow);
}

.nav-category.active,
.nav-category-link.active {
    color: var(--color-accent);
    background-color: var(--color-bg-tertiary);
    font-weight: 700;
    text-shadow: 0 0 4px var(--color-green-glow);
    border: 1px solid var(--color-border);
}

.dropdown-icon {
    transition: transform 0.2s;
    flex-shrink: 0;
}

.nav-item:hover .dropdown-icon,
.nav-item.active .dropdown-icon {
    transform: rotate(180deg);
}

/* Dropdown Menu */
.dropdown-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 0;
    min-width: 220px;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.9),
        0 2px 4px -1px rgba(0, 0, 0, 0.7),
        0 0 0 1px var(--color-green-glow),
        0 0 20px -5px var(--color-green-glow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: 1000;
    padding: 0.5rem 0;
}

.nav-item:hover .dropdown-menu,
.nav-item.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    display: block;
    padding: 0.75rem var(--spacing-md);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 500;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.dropdown-menu a:hover,
.dropdown-menu a.active {
    color: var(--color-accent);
    background-color: var(--color-bg-tertiary);
    border-left-color: var(--color-accent);
    font-weight: 600;
    text-shadow: 0 0 3px var(--color-green-glow);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-accent);
    border-radius: 2px;
    transition: all 0.3s;
    box-shadow: 0 0 2px var(--color-green-glow);
}

.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(7px, -6px);
}

.lang-toggle {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}

.lang-toggle:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-accent);
    border-color: var(--color-accent);
    text-shadow: 0 0 3px var(--color-green-glow);
    box-shadow: 0 0 10px -2px var(--color-green-glow);
}

/* Hero Section */
.hero {
    background: var(--color-bg-primary);
    padding: var(--spacing-2xl) 0;
    border-bottom: 1px solid var(--color-border);
    position: relative;
    text-align: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 0%, var(--color-bg-secondary) 100%);
    pointer-events: none;
}

.hero .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.hero-title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    text-shadow: 
        0 0 4px var(--color-green-glow),
        0 0 8px var(--color-green-glow);
    text-align: center;
}

.hero-subtitle {
    font-size: 1rem;
    color: var(--color-text-secondary);
    max-width: 800px;
    text-align: center;
    margin: 0 auto;
}

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Sections */
.section {
    padding: var(--spacing-2xl) 0;
    scroll-margin-top: 80px;
}

.section:nth-child(even) {
    background-color: var(--color-bg-secondary);
}

.section-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
    text-shadow: 0 0 3px var(--color-green-glow);
    text-align: center;
}

.section-text {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

/* Principles Grid */
.principles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.principle-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.principle-card {
    background: var(--color-card);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    transition: all 0.2s;
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.9),
        0 2px 4px -1px rgba(0, 0, 0, 0.7),
        0 0 0 1px rgba(100, 200, 100, 0.35),
        0 0 20px -5px rgba(100, 200, 100, 0.35),
        0 0 40px -10px rgba(100, 200, 100, 0.2);
    cursor: pointer;
}

.principle-card-link:hover .principle-card {
    border-color: var(--color-accent);
    box-shadow: 
        0 6px 8px -1px rgba(0, 0, 0, 0.95),
        0 4px 6px -1px rgba(0, 0, 0, 0.8),
        0 0 0 1px rgba(100, 200, 100, 0.5),
        0 0 30px -5px rgba(100, 200, 100, 0.5),
        0 0 60px -10px rgba(100, 200, 100, 0.3);
    transform: translateY(-2px);
}

.principle-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 0 2px var(--color-green-glow);
}

.principle-card p {
    color: var(--color-text-secondary);
    font-size: 0.8125rem;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.feature-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.feature-card {
    background: var(--color-card);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    transition: all 0.2s;
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.9),
        0 2px 4px -1px rgba(0, 0, 0, 0.7),
        0 0 0 1px rgba(100, 200, 100, 0.35),
        0 0 20px -5px rgba(100, 200, 100, 0.35),
        0 0 40px -10px rgba(100, 200, 100, 0.2);
    cursor: pointer;
}

.feature-card-link:hover .feature-card {
    border-color: var(--color-accent);
    box-shadow: 
        0 6px 8px -1px rgba(0, 0, 0, 0.95),
        0 4px 6px -1px rgba(0, 0, 0, 0.8),
        0 0 0 1px rgba(100, 200, 100, 0.5),
        0 0 30px -5px rgba(100, 200, 100, 0.5),
        0 0 60px -10px rgba(100, 200, 100, 0.3);
    transform: translateY(-2px);
    background: var(--color-card-green);
}

.feature-card h3 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
    font-family: 'JetBrains Mono', 'Share Tech Mono', 'Courier New', monospace;
    text-shadow: 0 0 2px var(--color-green-glow);
}

.feature-card p {
    color: var(--color-text-secondary);
    font-size: 0.8125rem;
    line-height: 1.6;
}

/* Modules List */
.modules-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.module-card {
    background: var(--color-card);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    transition: all 0.2s;
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.9),
        0 2px 4px -1px rgba(0, 0, 0, 0.7),
        0 0 0 1px rgba(100, 200, 100, 0.35),
        0 0 20px -5px rgba(100, 200, 100, 0.35),
        0 0 40px -10px rgba(100, 200, 100, 0.2);
}

.module-card:hover {
    border-color: var(--color-accent);
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.9),
        0 2px 4px -1px rgba(0, 0, 0, 0.7),
        0 0 0 1px var(--color-green-glow),
        0 0 25px -5px var(--color-green-glow);
    transform: translateY(-2px);
}

.module-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.module-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-accent);
    font-family: 'JetBrains Mono', 'Share Tech Mono', 'Courier New', monospace;
    text-shadow: 0 0 2px var(--color-green-glow);
}

.module-location {
    font-size: 0.75rem;
    color: var(--color-accent-cyan);
    font-family: 'JetBrains Mono', 'Share Tech Mono', 'Courier New', monospace;
    background: var(--color-bg-tertiary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    text-shadow: 0 0 2px var(--color-cyan-glow);
}

.module-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.module-details {
    display: grid;
    gap: var(--spacing-md);
}

.detail-item {
    padding: var(--spacing-sm);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-accent);
    box-shadow: 
        0 2px 4px -1px rgba(0, 0, 0, 0.6),
        0 0 0 1px rgba(100, 200, 100, 0.35),
        0 0 10px -3px rgba(100, 200, 100, 0.35);
}

.detail-item h4 {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--spacing-xs);
    text-shadow: 0 0 2px var(--color-green-glow);
}

.detail-item p {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.detail-item code {
    font-family: 'Monaco', 'Menlo', 'Courier New', monospace;
    font-size: 0.8125rem;
    background: var(--color-bg-secondary);
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
    color: var(--color-accent);
}

/* Admin Endpoints */
.admin-endpoints {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    margin-left: auto;
    margin-right: auto;
    max-width: 1000px;
}

.endpoint-group {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.8),
        0 2px 4px -1px rgba(0, 0, 0, 0.6),
        0 0 0 1px var(--color-green-glow),
        0 0 15px -5px var(--color-green-glow);
}

.endpoint-group h3 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
    margin-top: 0;
    font-family: 'JetBrains Mono', 'Share Tech Mono', 'Courier New', monospace;
    text-shadow: 0 0 2px var(--color-green-glow);
}

.endpoint-group-header {
    transition: opacity 0.2s ease;
}

.endpoint-group-header:hover {
    opacity: 0.8;
}

.endpoint-group-toggle {
    font-size: 0.75rem;
    transition: transform 0.3s ease;
    display: inline-block;
    color: var(--color-accent);
    text-shadow: 0 0 2px var(--color-green-glow);
}

.endpoint-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), 
                opacity 0.3s ease, 
                margin-top 0.3s ease,
                margin-bottom 0.3s ease;
    max-height: 10000px;
    opacity: 1;
    margin-top: 0;
}

.endpoint-list.collapsed {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
    margin-bottom: 0;
    gap: 0;
}

.endpoint-item {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--spacing-md);
    padding: var(--spacing-sm);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
    align-items: start;
    border: 1px solid var(--color-accent);
    box-shadow: 
        0 2px 4px -1px rgba(0, 0, 0, 0.6),
        0 0 0 1px rgba(100, 200, 100, 0.35),
        0 0 10px -3px rgba(100, 200, 100, 0.35);
}

.endpoint-method {
    font-family: 'Monaco', 'Menlo', 'Courier New', monospace;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    min-width: 60px;
    text-align: center;
}

.method-get {
    background: var(--color-card-green);
    color: var(--color-accent);
    border: 1px solid var(--color-border);
    text-shadow: 0 0 2px var(--color-green-glow);
}

.method-post {
    background: hsl(120, 45%, 12%);
    color: var(--color-accent);
    border: 1px solid var(--color-border);
    text-shadow: 0 0 2px var(--color-green-glow);
}

.method-put {
    background: hsl(180, 45%, 12%);
    color: var(--color-accent-cyan);
    border: 1px solid var(--color-border);
    text-shadow: 0 0 2px var(--color-cyan-glow);
}

.method-delete {
    background: hsl(0, 45%, 12%);
    color: var(--color-error);
    border: 1px solid var(--color-border);
    text-shadow: 0 0 2px rgba(255, 100, 100, 0.5);
}

.endpoint-path {
    font-family: 'Monaco', 'Menlo', 'Courier New', monospace;
    font-size: 0.875rem;
    color: var(--color-accent-dark);
    word-break: break-all;
    font-weight: 500;
}

.endpoint-purpose {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    grid-column: 2;
    margin-top: var(--spacing-xs);
}

.endpoint-access {
    font-size: 0.6875rem;
    color: var(--color-text-tertiary);
    background: var(--color-bg-tertiary);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    border: 1px solid var(--color-border);
}

/* Code Blocks */
.code-block {
    background: #0a0a0a;
    color: var(--color-accent);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    overflow-x: auto;
    font-family: 'JetBrains Mono', 'Share Tech Mono', 'Courier New', monospace;
    font-size: 0.75rem;
    line-height: 1.6;
    margin: var(--spacing-md) 0;
    border: 1px solid var(--color-accent);
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.9),
        0 2px 4px -1px rgba(0, 0, 0, 0.7),
        0 0 0 1px rgba(100, 200, 100, 0.35),
        0 0 20px -5px rgba(100, 200, 100, 0.35),
        0 0 40px -10px rgba(100, 200, 100, 0.2);
    text-shadow: 0 0 2px var(--color-green-glow);
}

.code-block code {
    color: inherit;
    background: none;
    padding: 0;
}

/* Usage Content */
.usage-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.usage-flow {
    background: var(--color-card);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.9),
        0 2px 4px -1px rgba(0, 0, 0, 0.7),
        0 0 0 1px rgba(100, 200, 100, 0.35),
        0 0 20px -5px rgba(100, 200, 100, 0.35),
        0 0 40px -10px rgba(100, 200, 100, 0.2);
}

.usage-flow h3 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
    text-shadow: 0 0 2px var(--color-green-glow);
}

.flow-steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.flow-step {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--color-blue-50);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-blue-200);
}

.flow-arrow {
    color: var(--color-accent);
    font-weight: 600;
    margin: 0 var(--spacing-xs);
}

/* Footer */
.footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-lg) 0;
    margin-top: var(--spacing-2xl);
}

.footer p {
    text-align: center;
    color: var(--color-text-tertiary);
    font-size: 0.75rem;
    font-weight: 500;
}

/* Quick Navigation Menu for Detail Pages */
.quick-nav {
    position: fixed;
    top: 80px;
    right: 2rem;
    width: 240px;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
    background: var(--color-card);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.9),
        0 2px 4px -1px rgba(0, 0, 0, 0.7),
        0 0 0 1px rgba(100, 200, 100, 0.35),
        0 0 20px -5px rgba(100, 200, 100, 0.35),
        0 0 40px -10px rgba(100, 200, 100, 0.2);
    z-index: 100;
    display: none;
}

.quick-nav.visible {
    display: block;
}

.quick-nav h3 {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 0 2px var(--color-green-glow);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.quick-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.quick-nav li {
    margin-bottom: var(--spacing-xs);
}

.quick-nav a {
    display: block;
    padding: var(--spacing-xs) var(--spacing-sm);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
    border-left: 2px solid transparent;
}

.quick-nav a:hover {
    color: var(--color-accent);
    background: var(--color-bg-tertiary);
    border-left-color: var(--color-accent);
    text-shadow: 0 0 2px var(--color-green-glow);
}

.quick-nav a.active {
    color: var(--color-accent);
    background: var(--color-bg-tertiary);
    border-left-color: var(--color-accent);
    font-weight: 600;
    text-shadow: 0 0 2px var(--color-green-glow);
}

/* Adjust container for detail pages with quick nav */
.detail-page-container {
    display: flex;
    gap: var(--spacing-2xl);
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    padding-left: var(--spacing-xl);
}

.detail-page-content {
    flex: 1;
    max-width: 1100px;
    margin: 0 auto;
}

.detail-page-content > h1,
.detail-page-content > p {
    text-align: center;
}

@media (max-width: 1200px) {
    .quick-nav {
        display: none !important;
    }
    
    .detail-page-container {
        flex-direction: column;
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .nav-menu {
        gap: var(--spacing-xs);
    }

    .nav-category,
    .nav-category-link {
        font-size: 0.875rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
}

/* Usage Flow Styling */
.usage-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.usage-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.usage-sidebar {
    position: sticky;
    top: 100px;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: var(--spacing-sm);
}

.usage-sidebar::-webkit-scrollbar {
    width: 6px;
}

.usage-sidebar::-webkit-scrollbar-track {
    background: var(--color-bg-secondary);
    border-radius: 3px;
}

.usage-sidebar::-webkit-scrollbar-thumb {
    background: rgba(100, 200, 100, 0.3);
    border-radius: 3px;
}

.usage-sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(100, 200, 100, 0.5);
}

.usage-features-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-bg-secondary) 0%, rgba(20, 20, 20, 0.95) 100%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: 
        0 8px 16px -4px rgba(0, 0, 0, 0.9),
        0 4px 8px -2px rgba(0, 0, 0, 0.7),
        0 0 0 1px rgba(100, 200, 100, 0.1),
        0 0 20px -8px rgba(100, 200, 100, 0.15),
        inset 0 1px 0 rgba(100, 200, 100, 0.05);
}

.usage-feature-item {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(135deg, var(--color-card) 0%, rgba(26, 26, 26, 0.95) 100%);
    border: 1px solid rgba(100, 200, 100, 0.15);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    font-size: 0.8125rem;
    font-weight: 500;
    font-family: 'JetBrains Mono', 'Share Tech Mono', 'Courier New', monospace;
    text-align: left;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 
        0 2px 4px -1px rgba(0, 0, 0, 0.6),
        0 0 0 1px rgba(100, 200, 100, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.02);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.2px;
    line-height: 1.4;
}

.usage-feature-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--color-accent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.usage-feature-item:hover {
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.98) 0%, rgba(20, 20, 20, 0.95) 100%);
    border-color: rgba(100, 200, 100, 0.35);
    color: var(--color-accent);
    box-shadow: 
        0 4px 12px -2px rgba(0, 0, 0, 0.8),
        0 0 0 1px rgba(100, 200, 100, 0.3),
        0 0 20px -6px rgba(100, 200, 100, 0.25),
        inset 0 1px 0 rgba(100, 200, 100, 0.1);
    transform: translateX(6px);
    text-shadow: 0 0 3px rgba(100, 200, 100, 0.4);
}

.usage-feature-item:hover::before {
    opacity: 1;
}

.usage-feature-item.active {
    background: linear-gradient(135deg, rgba(100, 200, 100, 0.15) 0%, rgba(100, 200, 100, 0.08) 100%);
    border-color: var(--color-accent);
    border-left-width: 3px;
    color: var(--color-accent);
    box-shadow: 
        0 6px 16px -3px rgba(0, 0, 0, 0.85),
        0 0 0 1px var(--color-accent),
        0 0 25px -8px var(--color-green-glow),
        inset 0 1px 0 rgba(100, 200, 100, 0.15),
        inset -1px 0 0 rgba(100, 200, 100, 0.2);
    font-weight: 600;
    text-shadow: 
        0 0 4px var(--color-green-glow),
        0 0 8px rgba(100, 200, 100, 0.3);
    transform: translateX(4px);
    padding-left: calc(var(--spacing-md) - 2px);
}

.usage-feature-item.active::before {
    opacity: 1;
    width: 4px;
    box-shadow: 0 0 8px var(--color-green-glow);
}

.usage-content-area {
    min-width: 0;
}

.usage-content {
    max-width: 100%;
}

.flow-steps {
    position: relative;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), 
                opacity 0.3s ease, 
                margin-top 0.3s ease,
                margin-bottom 0.3s ease;
    max-height: 10000px;
    opacity: 1;
    margin-top: 0;
}

.flow-steps.collapsed {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
    margin-bottom: 0;
    padding-top: 0;
    padding-bottom: 0;
}

.flow-header {
    transition: opacity 0.2s ease;
}

.flow-header:hover {
    opacity: 0.8;
}

.flow-toggle {
    font-size: 0.75rem;
    transition: transform 0.3s ease;
    display: inline-block;
    color: var(--color-accent);
    text-shadow: 0 0 2px var(--color-green-glow);
}

.flow-steps-enhanced {
    position: relative;
    padding: var(--spacing-md) 0;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.flow-step-enhanced {
    position: relative;
    margin-bottom: var(--spacing-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.flow-step-enhanced:last-child {
    margin-bottom: 0;
}

.flow-step-content {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    position: relative;
    z-index: 2;
}

.flow-step-number {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, 
        rgba(100, 200, 100, 0.2) 0%, 
        rgba(100, 200, 100, 0.1) 50%,
        rgba(26, 26, 26, 0.9) 100%);
    border: 2px solid var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    font-weight: 700;
    font-size: 0.875rem;
    font-family: 'JetBrains Mono', 'Share Tech Mono', 'Courier New', monospace;
    box-shadow: 
        0 0 12px rgba(100, 200, 100, 0.4),
        0 0 24px rgba(100, 200, 100, 0.2),
        0 4px 8px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    text-shadow: 0 0 4px var(--color-green-glow);
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.flow-step-enhanced:hover .flow-step-number {
    transform: scale(1.1);
    box-shadow: 
        0 0 16px rgba(100, 200, 100, 0.6),
        0 0 32px rgba(100, 200, 100, 0.3),
        0 6px 12px rgba(0, 0, 0, 0.6),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
    border-color: hsl(120, 70%, 65%);
}

.flow-step-text {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(135deg, 
        rgba(26, 26, 26, 0.95) 0%, 
        rgba(20, 20, 20, 0.9) 100%);
    border: 1px solid rgba(100, 200, 100, 0.2);
    border-left: 4px solid var(--color-accent);
    border-radius: var(--radius-md);
    box-shadow: 
        0 4px 12px -2px rgba(0, 0, 0, 0.7),
        0 0 0 1px rgba(100, 200, 100, 0.1),
        0 0 20px -6px rgba(100, 200, 100, 0.15),
        inset 0 1px 0 rgba(100, 200, 100, 0.05);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.flow-step-text::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom,
        var(--color-accent) 0%,
        rgba(100, 200, 100, 0.6) 50%,
        transparent 100%);
    opacity: 0.8;
}

.flow-step-text p {
    color: var(--color-text-primary);
    margin: 0;
    line-height: 1.7;
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.2px;
    position: relative;
    z-index: 1;
}

.flow-step-enhanced:hover .flow-step-text {
    background: linear-gradient(135deg, 
        rgba(26, 26, 26, 0.98) 0%, 
        rgba(20, 20, 20, 0.95) 100%);
    border-color: rgba(100, 200, 100, 0.4);
    border-left-width: 5px;
    box-shadow: 
        0 6px 16px -3px rgba(0, 0, 0, 0.8),
        0 0 0 1px rgba(100, 200, 100, 0.25),
        0 0 30px -8px rgba(100, 200, 100, 0.25),
        inset 0 1px 0 rgba(100, 200, 100, 0.1);
    transform: translateX(6px);
}

.flow-step-connector {
    position: absolute;
    left: 17px;
    top: 50px;
    width: 3px;
    height: calc(100% + var(--spacing-lg) - 18px);
    background: linear-gradient(to bottom,
        var(--color-accent) 0%,
        rgba(100, 200, 100, 0.6) 30%,
        rgba(100, 200, 100, 0.3) 60%,
        transparent 100%);
    opacity: 0.5;
    z-index: 1;
    box-shadow: 0 0 8px rgba(100, 200, 100, 0.3);
}

.flow-step-connector::after {
    content: '';
    position: absolute;
    left: -4px;
    top: 0;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: var(--color-accent);
    box-shadow: 
        0 0 8px var(--color-green-glow),
        0 0 16px rgba(100, 200, 100, 0.4),
        0 2px 4px rgba(0, 0, 0, 0.5);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(0.95);
    }
}

.flow-step {
    position: relative;
    transition: transform 0.2s ease;
}

.flow-step:hover {
    transform: translateX(4px);
}

.flow-step .step-number {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-bg-tertiary);
    border: 2px solid var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    font-weight: 700;
    font-size: 0.875rem;
    box-shadow: 
        0 0 8px var(--color-green-glow),
        0 2px 4px rgba(0, 0, 0, 0.3);
}

.flow-step .step-content {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-md);
    box-shadow: 
        0 2px 4px -1px rgba(0, 0, 0, 0.6),
        0 0 0 1px rgba(100, 200, 100, 0.35),
        0 0 10px -3px rgba(100, 200, 100, 0.35);
    transition: all 0.2s ease;
}

.flow-step:hover .step-content {
    border-left-color: var(--color-accent-hover);
    box-shadow: 
        0 4px 12px rgba(0, 0, 0, 0.4),
        0 0 8px var(--color-green-glow);
}

.flow-connector {
    position: absolute;
    left: 15px;
    top: 48px;
    width: 2px;
    height: calc(100% + var(--spacing-lg));
    background: linear-gradient(to bottom, var(--color-accent), transparent);
    opacity: 0.4;
}

.flow-connector-dot {
    position: absolute;
    left: 10px;
    top: 48px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-accent);
    box-shadow: 0 0 6px var(--color-green-glow);
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 0.9375rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

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

    .nav-menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--color-bg-secondary);
        border-bottom: 1px solid var(--color-border);
        box-shadow: 
            0 4px 6px -1px rgba(0, 0, 0, 0.9),
            0 0 0 1px var(--color-green-glow),
            0 0 20px -5px var(--color-green-glow);
        flex-direction: column;
        align-items: stretch;
        padding: var(--spacing-md);
        max-height: calc(100vh - 60px);
        overflow-y: auto;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 999;
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-item {
        width: 100%;
    }

    .nav-category,
    .nav-category-link {
        width: 100%;
        justify-content: space-between;
        padding: var(--spacing-sm) var(--spacing-md);
        border-bottom: 1px solid var(--color-border);
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        border-left: 3px solid var(--color-border);
        margin-left: var(--spacing-md);
        margin-top: var(--spacing-xs);
        display: none;
    }

    .nav-item.active .dropdown-menu {
        display: block;
    }

    .usage-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .usage-sidebar {
        position: static;
        max-height: none;
        overflow-y: visible;
    }

    .usage-features-list {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: var(--spacing-xs);
        padding: var(--spacing-md);
    }

    .usage-feature-item {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.8125rem;
    }

    .usage-feature-item.active {
        padding-left: calc(var(--spacing-md) - 2px);
    }

    .endpoint-item {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }

    .endpoint-method {
        justify-self: start;
    }

    .endpoint-access {
        justify-self: start;
    }

    .principles-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for accessibility */
a:focus,
button:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .navbar,
    .lang-toggle,
    .footer {
        display: none;
    }

    .section {
        page-break-inside: avoid;
    }
}