/* Documentation Styles - Matching Landing Page Theme */

/* Navigation */
.docs-nav {
    background: rgba(15, 15, 17, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border-subtle);
    padding: 1.25rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.docs-nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: -0.02em;
    transition: color var(--transition);
}

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

.nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    color: var(--color-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: all var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition);
}

.nav-links a:hover {
    color: var(--color-text);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-links a.active {
    color: var(--color-primary);
}

/* Hero Section */
.docs-hero {
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-surface) 100%);
    padding: 5rem 0 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.docs-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1200px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 39, 61, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.docs-hero .container {
    position: relative;
    z-index: 1;
}

.docs-hero h1 {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 700;
    margin: 0 0 1.5rem;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-muted) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.docs-subtitle {
    font-size: 1.375rem;
    color: var(--color-muted);
    margin: 0;
    font-weight: 400;
}

/* Layout */
.docs-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 4rem;
    max-width: 1400px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

/* Sidebar */
.docs-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
    padding: 2rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

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

.docs-sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.docs-sidebar::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 3px;
}

.docs-menu h3 {
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-muted);
    margin: 0 0 1.25rem;
    font-weight: 600;
}

.docs-menu ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.docs-menu li {
    margin-bottom: 0.25rem;
}

.docs-menu a {
    display: block;
    padding: 0.625rem 1rem;
    color: var(--color-muted);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    font-size: 0.9375rem;
}

.docs-menu a:hover {
    color: var(--color-text);
    background: var(--color-surface-elevated);
    transform: translateX(4px);
}

.docs-menu a.active {
    color: var(--color-primary);
    background: var(--color-primary-soft);
    font-weight: 600;
}

/* Main Content */
.docs-content {
    max-width: 900px;
}

.doc-section {
    margin-bottom: 5rem;
    padding-bottom: 4rem;
    border-bottom: 1px solid var(--color-border);
}

.doc-section:last-child {
    border-bottom: none;
}

.doc-section h2 {
    font-family: var(--font-display);
    font-size: 2.75rem;
    font-weight: 700;
    margin: 0 0 1.5rem;
    letter-spacing: -0.02em;
    color: var(--color-text);
}

.section-intro {
    font-size: 1.1875rem;
    color: var(--color-muted);
    margin: 0 0 2.5rem;
    line-height: 1.7;
}

.doc-section h3 {
    font-size: 1.875rem;
    font-weight: 600;
    margin: 3rem 0 1.5rem;
    color: var(--color-text);
    letter-spacing: -0.01em;
}

.doc-section h4 {
    font-size: 1.375rem;
    font-weight: 600;
    margin: 2rem 0 1rem;
    color: var(--color-text);
}

.doc-section p {
    line-height: 1.8;
    margin: 0 0 1.5rem;
    color: rgba(245, 245, 247, 0.9);
}

.doc-section ul,
.doc-section ol {
    margin: 0 0 2rem;
    padding-left: 1.75rem;
}

.doc-section li {
    margin-bottom: 1rem;
    line-height: 1.8;
    color: rgba(245, 245, 247, 0.85);
}

.doc-section li strong {
    color: var(--color-text);
}

/* Visual Diagrams */
.architecture-visual {
    margin: 3rem 0;
    padding: 3rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}

.architecture-visual::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), transparent);
}

.layer-diagram {
    display: grid;
    gap: 1rem;
    margin: 2rem 0;
}

.layer-box {
    padding: 1.5rem 2rem;
    background: var(--color-surface-elevated);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-md);
    transition: all var(--transition);
}

.layer-box:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
    border-left-color: var(--color-primary-strong);
}

.layer-number {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.layer-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    margin: 0 0 0.5rem;
}

.layer-desc {
    color: var(--color-muted);
    margin: 0;
    font-size: 0.9375rem;
}

/* Tier Cards */
.tier-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    margin: 2.5rem 0;
}

.tier-card {
    padding: 2rem;
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.tier-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

.tier-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.tier-card:hover::before {
    transform: scaleX(1);
}

.tier-card h4 {
    margin: 0 0 1rem;
    font-size: 1.25rem;
    color: var(--color-text);
}

.tier-capacity {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: 0.75rem 0 0.5rem;
    font-family: var(--font-display);
}

.tier-duration {
    font-size: 0.875rem;
    color: var(--color-muted);
    margin: 0 0 1.5rem;
}

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

.tier-card li {
    padding: 0.75rem 0;
    color: rgba(245, 245, 247, 0.8);
    border-top: 1px solid var(--color-border);
    font-size: 0.9375rem;
}

.tier-card li:first-child {
    border-top: none;
    padding-top: 0;
}

/* Callouts */
.callout {
    padding: 2rem;
    border-radius: var(--radius-md);
    margin: 2.5rem 0;
    border: 1px solid;
    position: relative;
    overflow: hidden;
}

.callout::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
}

.callout h4 {
    margin-top: 0;
    margin-bottom: 0.75rem;
    font-size: 1.125rem;
}

.callout p:last-child {
    margin-bottom: 0;
}

.callout a {
    color: var(--color-primary);
    text-decoration: underline;
    text-decoration-color: transparent;
    transition: text-decoration-color var(--transition);
}

.callout a:hover {
    text-decoration-color: var(--color-primary);
}

.callout-info {
    background: rgba(103, 126, 234, 0.08);
    border-color: rgba(103, 126, 234, 0.3);
}

.callout-info::before {
    background: #677eea;
}

.callout-warning {
    background: rgba(255, 193, 7, 0.08);
    border-color: rgba(255, 193, 7, 0.3);
}

.callout-warning::before {
    background: #ffc107;
}

.callout-technical {
    background: var(--color-surface-elevated);
    border-color: var(--color-border);
}

.callout-technical::before {
    background: var(--color-primary);
}

/* System Comparison */
.system-comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.system-card {
    padding: 2.5rem;
    background: var(--color-surface-elevated);
    border: 2px solid;
    border-radius: var(--radius-lg);
    transition: all var(--transition);
}

.system-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.system-card h3 {
    margin: 0 0 1.5rem;
    font-size: 1.5rem;
    color: var(--color-text);
}

.system-card ul {
    margin: 1.5rem 0;
}

.system-model {
    font-size: 0.875rem;
    color: var(--color-muted);
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
    font-style: italic;
}

.system-1 {
    border-color: #4caf50;
}

.system-1:hover {
    border-color: #66bb6a;
}

.system-2 {
    border-color: #2196f3;
}

.system-2:hover {
    border-color: #42a5f5;
}

/* Mode Cards */
.mode-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    margin: 2.5rem 0;
}

.mode-card {
    padding: 2rem;
    background: var(--color-surface-elevated);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
}

.mode-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.mode-card h3 {
    margin: 0 0 0.75rem;
    font-size: 1.25rem;
    color: var(--color-text);
}

.mode-card p {
    color: var(--color-muted);
    margin: 0 0 1.25rem;
    font-size: 0.9375rem;
}

.mode-creative {
    border-color: #ff9800;
}

.mode-creative:hover {
    border-color: #ffa726;
}

.mode-adversarial {
    border-color: #f44336;
}

.mode-adversarial:hover {
    border-color: #ef5350;
}

/* Principle Cards */
.principle-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin: 2.5rem 0;
}

.principle-card {
    padding: 2rem;
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-align: center;
    transition: all var(--transition);
}

.principle-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
}

.principle-card h4 {
    margin: 0 0 0.75rem;
    color: var(--color-primary);
    font-size: 1.125rem;
}

.principle-card p {
    margin: 0;
    font-size: 0.9375rem;
    color: var(--color-muted);
}

/* Code Blocks */
pre {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 2rem;
    overflow-x: auto;
    margin: 2rem 0;
}

code {
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.875rem;
    color: var(--color-text);
    line-height: 1.6;
}

/* Process Timeline */
.process-timeline {
    margin: 2.5rem 0;
}

.process-item {
    position: relative;
    padding: 2rem 2rem 2rem 7rem;
    background: var(--color-surface-elevated);
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    border-left: 3px solid var(--color-primary);
    transition: all var(--transition);
}

.process-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.process-time {
    position: absolute;
    left: 1.5rem;
    top: 2rem;
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--color-primary);
    background: var(--color-primary-soft);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
}

.process-item h4 {
    margin: 0 0 0.75rem;
    font-size: 1.25rem;
}

.process-item p {
    margin: 0;
    color: var(--color-muted);
}

/* Reference List */
.reference-list {
    list-style: none;
    padding: 0;
}

.reference-list li {
    padding: 1.5rem;
    background: var(--color-surface-elevated);
    border-radius: var(--radius-md);
    margin-bottom: 1.25rem;
    border-left: 3px solid var(--color-border);
    transition: all var(--transition);
}

.reference-list li:hover {
    border-left-color: var(--color-primary);
    transform: translateX(4px);
}

.reference-list strong {
    color: var(--color-primary);
    display: block;
    margin-bottom: 0.5rem;
}

/* Download Cards */
.download-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.download-card {
    padding: 2.5rem;
    background: var(--color-surface-elevated);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all var(--transition);
    display: block;
}

.download-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.download-card h3 {
    margin: 0 0 0.75rem;
    color: var(--color-primary);
    font-size: 1.375rem;
}

.download-card p {
    margin: 0 0 1.25rem;
    color: var(--color-muted);
}

.file-size {
    font-size: 0.875rem;
    color: var(--color-muted);
    font-style: italic;
}

/* CTA Box */
.cta-box {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-strong) 100%);
    padding: 4rem 3rem;
    border-radius: var(--radius-lg);
    text-align: center;
    color: var(--color-inverse);
    box-shadow: var(--shadow-lg);
}

.cta-box h2 {
    margin: 0 0 1rem;
    color: white;
    font-size: 2.25rem;
}

.cta-box p {
    margin: 0 0 2rem;
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1875rem;
}

.cta-button {
    display: inline-block;
    padding: 1.125rem 2.5rem;
    background: white;
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.0625rem;
    border-radius: var(--radius-md);
    transition: all var(--transition);
    box-shadow: var(--shadow-md);
}

.cta-button:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* Principle List */
.principle-list {
    list-style: none;
    padding: 0;
}

.principle-list li {
    padding: 1.5rem;
    background: var(--color-surface-elevated);
    border-radius: var(--radius-md);
    margin-bottom: 1.25rem;
    border-left: 3px solid var(--color-primary);
    transition: all var(--transition);
}

.principle-list li:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-sm);
}

.principle-list li strong {
    color: var(--color-primary);
    display: block;
    margin-bottom: 0.5rem;
    font-size: 1.0625rem;
}

/* Implementation Priority Badges */
.implementation-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-strong) 100%);
    color: white;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 0.8125rem;
    letter-spacing: 0.08em;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 12px rgba(255, 39, 61, 0.3);
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 4px 12px rgba(255, 39, 61, 0.3);
    }
    50% {
        box-shadow: 0 4px 20px rgba(255, 39, 61, 0.5);
    }
}

.badge-icon {
    font-size: 1.25rem;
}

.badge-text {
    font-size: 0.8125rem;
}

/* Priority Badges for Phase Cards */
.priority-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
    text-align: center;
}

.priority-1 {
    background: linear-gradient(135deg, #4caf50 0%, #66bb6a 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(76, 175, 80, 0.4);
}

.priority-2 {
    background: linear-gradient(135deg, #2196f3 0%, #42a5f5 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(33, 150, 243, 0.4);
}

.priority-3 {
    background: linear-gradient(135deg, #9e9e9e 0%, #bdbdbd 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(158, 158, 158, 0.4);
}

/* Neurosymbolic Highlight Section */
.neurosymbolic-highlight {
    position: relative;
    padding: 3rem;
    background: linear-gradient(135deg, rgba(255, 39, 61, 0.05) 0%, transparent 100%);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-lg);
    margin: 4rem 0;
}

.neurosymbolic-highlight::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-strong));
}

/* Priority Link in Sidebar */
.priority-link {
    font-weight: 600 !important;
    color: var(--color-primary) !important;
}

.priority-link:hover {
    background: var(--color-primary-soft) !important;
}

/* Highlight Link in Sidebar (for Neurosymbolic) */
.highlight-link {
    font-weight: 600 !important;
    color: var(--color-primary) !important;
    background: var(--color-primary-soft) !important;
    border-left: 3px solid var(--color-primary);
    padding-left: 0.85rem !important;
}

.highlight-link:hover {
    background: rgba(255, 39, 61, 0.15) !important;
    transform: translateX(4px);
}

/* Priority Section Styling */
.priority-section {
    background: linear-gradient(135deg, rgba(255, 39, 61, 0.03) 0%, transparent 100%);
    border-left: 4px solid var(--color-primary);
    padding-left: 3rem;
    padding-right: 3rem;
}

/* Phase/Status Badges for Section Headers */
.phase-badge {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.6875rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-left: 1rem;
    vertical-align: middle;
}

.phase-current {
    background: linear-gradient(135deg, #4caf50 0%, #66bb6a 100%);
    color: white;
    box-shadow: 0 2px 6px rgba(76, 175, 80, 0.3);
}

.phase-2 {
    background: linear-gradient(135deg, #2196f3 0%, #42a5f5 100%);
    color: white;
    box-shadow: 0 2px 6px rgba(33, 150, 243, 0.3);
}

.phase-3 {
    background: linear-gradient(135deg, #ff9800 0%, #ffa726 100%);
    color: white;
    box-shadow: 0 2px 6px rgba(255, 152, 0, 0.3);
}

.phase-future {
    background: linear-gradient(135deg, #757575 0%, #9e9e9e 100%);
    color: white;
    box-shadow: 0 2px 6px rgba(117, 117, 117, 0.3);
}

/* Dimmed sections for future work */
.future-section {
    opacity: 0.7;
    position: relative;
}

.future-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.current-section {
    border-left: 3px solid #4caf50;
    padding-left: 2rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .docs-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .docs-sidebar {
        position: static;
        max-height: none;
    }

    .docs-hero h1 {
        font-size: 2.5rem;
    }

    .doc-section h2 {
        font-size: 2.25rem;
    }
}

@media (max-width: 768px) {
    .docs-hero h1 {
        font-size: 2rem;
    }

    .docs-subtitle {
        font-size: 1.125rem;
    }

    .tier-cards,
    .mode-cards,
    .principle-cards,
    .system-comparison {
        grid-template-columns: 1fr;
    }

    .docs-nav .container {
        padding: 0 1rem;
    }

    .nav-links {
        gap: 1.5rem;
    }

    .nav-links a {
        font-size: 0.875rem;
    }

    .process-item {
        padding: 2rem 1.5rem 2rem 1.5rem;
    }

    .process-time {
        position: static;
        display: inline-block;
        margin-bottom: 1rem;
    }

    /* Mobile responsive for new sections */
    .priority-section {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
        border-left-width: 3px;
    }

    .neurosymbolic-highlight {
        padding: 2rem 1.5rem;
        margin: 2rem 0;
    }

    .implementation-badge {
        font-size: 0.75rem;
        padding: 0.625rem 1.25rem;
    }

    .badge-text {
        font-size: 0.75rem;
    }
}