/* Base Theme Variables */
:root {
    /* Light Mode */
    --bg-main: #ffffff;
    --bg-nav: #ffffff;
    --bg-sidebar: #f8fafc;
    --bg-glass: rgba(255, 255, 255, 0.7);
    --border-color: #e2e8f0;
    --border-glass: rgba(226, 232, 240, 0.5);
    
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    
    --brand-primary: #3b82f6; /* Premium Blue */
    --brand-primary-hover: #2563eb;
    --brand-accent: #8b5cf6; /* Vibrant Purple */
    
    --nav-hover-bg: #f1f5f9;
    --card-bg: #ffffff;
    --card-hover-bg: #f8fafc;
    
    --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-glass: 0 4px 30px rgba(0, 0, 0, 0.05);
    
    --gradient-brand: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    
    /* Semantic Colors */
    --color-green: #10b981;
    --bg-green-light: #d1fae5;
    --color-orange: #f59e0b;
    --bg-orange-light: #fef3c7;
    --color-red: #ef4444;
    --bg-red-light: #fee2e2;

    /* Indigo used in docs examples */
    --color-indigo-600: oklch(51.1% 0.262 276.966);

    /* Table separators */
    --table-row-border: rgba(226, 232, 240, 0.55);
}

[data-theme="dark"] {
    /* Dark Mode (Default) */
    --bg-main: #0B0F19; /* Amplitude-like deep space background */
    --bg-nav: #0B0F19; /* Opaque flat to match body */
    --bg-sidebar: #111827;
    --bg-glass: rgba(17, 24, 39, 0.75);
    --border-color: #1f2937;
    --border-glass: rgba(31, 41, 55, 0.5);
    
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    
    --brand-primary: #60a5fa;
    --brand-primary-hover: #3b82f6;
    --brand-accent: #a855f7;
    
    --nav-hover-bg: #1e293b;
    --card-bg: #111827;
    --card-hover-bg: #1e293b;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-glass: 0 4px 30px rgba(0, 0, 0, 0.3);
    
    /* Semantic Colors */
    --color-green: #34d399;
    --bg-green-light: rgba(16, 185, 129, 0.2);
    --color-orange: #fbbf24;
    --bg-orange-light: rgba(245, 158, 11, 0.2);
    --color-red: #f87171;
    --bg-red-light: rgba(239, 68, 68, 0.2);

    /* Indigo used in docs examples (slightly brighter for dark mode) */
    --color-indigo-600: oklch(70% 0.262 276.966);

    /* Table separators */
    --table-row-border: rgba(31, 41, 55, 0.85);
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: var(--brand-primary);
    color: white;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { 
    background: var(--border-color); 
    border-radius: 4px; 
}
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
    line-height: 1.3;
}

h1 { font-size: 2.5rem; margin-bottom: 1rem; }
h2 { font-size: 1.75rem; margin-top: 2rem; border-top: 1px solid var(--border-color); padding-top: 2rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); font-weight: 700; margin-bottom: 1rem; }

p { color: var(--text-secondary); margin-bottom: 1.5rem; font-size: 1.05rem; }
.lead { font-size: 1.25rem; color: var(--text-secondary); }
.mt-4 { margin-top: 1rem; }

a {
    color: var(--brand-primary);
    text-decoration: none;
    transition: all 0.2s ease;
}
a:hover { color: var(--brand-primary-hover); }

.gradient-text {
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
}

.text-green { color: var(--color-green); }
.text-orange { color: var(--color-orange); }
.text-red { color: var(--color-red); }
.bg-green-light { background-color: var(--bg-green-light); }
.bg-orange-light { background-color: var(--bg-orange-light); }
.bg-red-light { background-color: var(--bg-red-light); }

/* Common Components */
.glass-panel {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    box-shadow: var(--shadow-glass);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    background: var(--brand-primary);
    color: #ffffff;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.9rem;
    box-shadow: 0 2px 4px rgba(59, 130, 246, 0.3);
    border: none;
    cursor: pointer;
}
.btn-primary:hover {
    background: var(--brand-primary-hover);
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 4px 6px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 6px;
    font-weight: 500;
    text-align: center;
}
.btn-secondary:hover {
    background: var(--nav-hover-bg);
}

.btn-sm { padding: 0.4rem 0.8rem; font-size: 0.85rem; width: 100%; }

.icon-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s ease;
}
.icon-btn:hover {
    background: var(--nav-hover-bg);
    color: var(--brand-primary);
}

/* Layout */
.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: var(--bg-nav);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    z-index: 50;
    backdrop-filter: blur(8px);
}

.nav-left, .nav-center, .nav-right { display: flex; align-items: center; }
.nav-left { gap: 1.5rem; }

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
}
.logo-img {
    height: 32px;
    width: auto;
    display: block;
}

.search-bar {
    position: relative;
    display: flex;
    align-items: center;
}
.search-bar i {
    position: absolute;
    left: 10px;
    color: var(--text-muted);
}
.search-bar input {
    background: var(--bg-sidebar);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.4rem 1rem 0.4rem 2rem;
    border-radius: 6px;
    font-family: inherit;
    font-size: 0.9rem;
    width: 250px;
    transition: all 0.2s ease;
}
.search-bar input:focus {
    outline: none;
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
    width: 300px;
}

/* Search suggestions dropdown */
.search-suggestions {
    position: absolute;
    top: 110%;
    left: 0;
    right: 0;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow-md);
    padding: 0.25rem 0;
    z-index: 60;
    display: none;
}
.search-suggestion-item {
    width: 100%;
    text-align: left;
    padding: 0.4rem 0.75rem;
    background: transparent;
    border: none;
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
}
.search-suggestion-item:hover {
    background: var(--nav-hover-bg);
    color: var(--text-primary);
}

.nav-center .nav-links {
    display: flex;
    gap: 0.5rem;
}
.nav-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
}
.nav-links a:hover {
    color: var(--text-primary);
    background: var(--nav-hover-bg);
}
.nav-links a.active {
    color: var(--brand-primary);
    background: rgba(59, 130, 246, 0.1);
}

.nav-right { gap: 1rem; }
.mobile-menu-btn { display: none; background: none; border: none; color: var(--text-primary); font-size: 1.25rem; cursor: pointer; }

.layout-container {
    display: flex;
    margin-top: 64px;
    min-height: calc(100vh - 64px);
    max-width: 1600px;
    margin-left: auto;
    margin-right: auto;
}

/* Left Sidebar */
.left-sidebar {
    width: 260px;
    flex-shrink: 0;
    background: var(--bg-main);
    border-right: 1px solid var(--border-color);
    padding: 2rem 1.5rem;
    height: calc(100vh - 64px);
    position: sticky;
    top: 64px;
    overflow-y: auto;
}
.sidebar-section { margin-bottom: 1.25rem; }
.sidebar-section h3 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-main);
    margin-bottom: 0.4rem;
}
.sidebar-section ul { list-style: none; }
.sidebar-section li { margin-bottom: 0.1rem; }
.sidebar-section a {
    display: block;
    padding: 0.25rem 0.6rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
    border-radius: 6px;
    transition: all 0.2s ease;
}
.sidebar-section a:hover {
    background: var(--nav-hover-bg);
    color: var(--text-primary);
}
.sidebar-section a.active {
    background: var(--nav-hover-bg);
    color: var(--brand-primary);
    font-weight: 500;
}
.sidebar-section a.nav-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.25rem;
}
.sidebar-section a.nav-item span:first-child {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.time-badge {
    font-size: 0.65rem;
    padding: 0.15rem 0.35rem;
    border-radius: 4px;
    background: var(--nav-hover-bg);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    white-space: nowrap;
    line-height: 1;
}

.resizer {
    width: 4px;
    background-color: transparent;
    cursor: col-resize;
    flex-shrink: 0;
    height: calc(100vh - 64px);
    position: sticky;
    top: 64px;
    border-right: 1px solid var(--border-color); /* Matches the sidebar separator initially */
    margin-left: -2px;
    z-index: 10;
    transition: background-color 0.2s;
}
.resizer:hover, .resizer.dragging {
    background-color: var(--brand-primary);
}


/* Main Content */
.main-content {
    flex-grow: 1;
    min-width: 0;
    padding: 3rem 4rem;
    background: var(--bg-main);
}
.content-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}
.breadcrumbs i { font-size: 0.7rem; }
.breadcrumbs span { color: var(--text-primary); font-weight: 500; }

.content-section { margin-bottom: 3.5rem; }
.content-section p:last-child { margin-bottom: 0; }
.content-section h2:first-child { border-top: none; padding-top: 0; margin-top: 0; }

/* Standalone documentation page layout (Setup views) */
.doc-page {
    /* Use existing layout spacing from .main-content + .content-wrapper
       so Setup pages match Get Started/Core Concepts. */
    max-width: 100%;
    margin: 0;
    padding: 0;
}
.doc-page-header-eyebrow {
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: #4f46e5;
    margin-bottom: 0.5rem;
}
.doc-page-title {
    font-size: clamp(2rem, 3vw, 2.5rem);
    line-height: 1.1;
    letter-spacing: -0.04em;
    font-weight: 900;
    color: var(--text-primary);
    margin: 0;
}
.doc-page-description {
    margin-top: 0.9rem;
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--text-muted);
    font-weight: 500;
    max-width: 40rem;
}
.doc-page-body {
    margin-top: 2rem;
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-primary);
}
.doc-page-body h1,
.doc-page-body h2,
.doc-page-body h3 {
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    margin-top: 1.8rem;
    margin-bottom: 0.6rem;
}
.doc-page-body h1 { font-size: 1.5rem; }
.doc-page-body h2 { font-size: 1.25rem; }
.doc-page-body h3 { font-size: 1.05rem; }
.doc-page-body p {
    margin: 0.4rem 0;
    color: var(--text-secondary);
}
.doc-page-body a {
    color: var(--brand-primary);
    text-decoration: none;
    font-weight: 500;
}
.doc-page-body a:hover {
    text-decoration: underline;
    color: var(--brand-primary-hover);
}
.doc-page-body strong { font-weight: 700; }
.doc-page-body code {
    font-family: SFMono-Regular, ui-monospace, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    background: #f1f5f9;
    padding: 0.1rem 0.35rem;
    border-radius: 0.25rem;
    font-size: 0.85em;
    color: var(--brand-primary);
}
.doc-page-body pre code {
    background: transparent;
    padding: 0;
    color: #e5e7eb;
}

[data-theme="dark"] .doc-page-body code {
    background: rgba(255, 255, 255, 0.06);
    color: var(--brand-primary);
}
.doc-page-body ul,
.doc-page-body ol {
    padding-left: 1.25rem;
    margin: 0.4rem 0 0.6rem;
}
.doc-page-body li {
    margin: 0.2rem 0;
    color: var(--text-secondary);
}
.doc-page-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-size: 0.86rem;
}
.doc-page-body th,
.doc-page-body td {
    border: 0;
    border-bottom: 1px solid var(--table-row-border);
    padding: 0.5rem 0.6rem;
    text-align: left;
    vertical-align: top;
}
.doc-page-body th {
    background: var(--bg-sidebar);
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
}
.doc-page-body tbody tr:nth-child(even) td {
    background: transparent;
}
.doc-page-body blockquote {
    margin: 0.8rem 0;
    padding: 0.75rem 1rem;
    border-left: 3px solid var(--brand-primary);
    background: var(--bg-sidebar);
    border-radius: 0.5rem;
    color: var(--text-primary);
    font-size: 0.9rem;
}
.doc-page-body hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 1.5rem 0;
}
.doc-page-body pre {
    background: #020617;
    color: #e5e7eb;
    padding: 0.9rem 1rem;
    border-radius: 0.75rem;
    overflow-x: auto;
    font-size: 0.85rem;
    margin: 0.9rem 0;
}
.doc-page-body pre code {
    background: transparent;
    padding: 0;
    color: #e5e7eb; /* force light code color inside dark blocks */
}
@media (max-width: 640px) {
    .doc-page-body table {
        font-size: 0.8rem;
    }
}

/* Markdown-style documentation body */
.markdown-body {
    font-size: 0.98rem;
    color: var(--text-secondary);
}
.markdown-body h1 {
    font-size: 1.4rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}
.markdown-body p {
    margin-bottom: 1rem;
}
.markdown-body ul {
    margin: 0 0 1rem 1.25rem;
    padding-left: 0.75rem;
}
.markdown-body li {
    margin-bottom: 0.25rem;
}
.markdown-body code {
    font-family: SFMono-Regular, ui-monospace, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 0.9em;
    background: var(--bg-sidebar);
    padding: 0.1rem 0.25rem;
    border-radius: 4px;
}
.markdown-body table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.25rem;
    font-size: 0.9rem;
}
.markdown-body th,
.markdown-body td {
    border: 1px solid var(--border-color);
    padding: 0.5rem 0.75rem;
}
.markdown-body thead th {
    background: var(--bg-sidebar);
    text-align: left;
    font-weight: 600;
}
.markdown-body tbody tr:nth-child(even) {
    background: var(--card-hover-bg);
}
.markdown-body tbody tr:hover {
    background: var(--nav-hover-bg);
}

.markdown-body hr {
    border: 0;
    border-top: 1px solid var(--border-color);
    margin: 1.5rem 0;
}
.markdown-body blockquote {
    border-left: 3px solid var(--brand-primary);
    padding-left: 0.75rem;
    color: var(--text-secondary);
    margin: 1rem 0;
}
.markdown-body pre {
    background: var(--bg-sidebar);
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
    font-size: 0.85rem;
    border: 1px solid var(--border-color);
}
.markdown-body pre code {
    background: transparent;
    padding: 0;
}

/* Doc footer meta */
.doc-meta-footer {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}
@media (min-width: 640px) {
    .doc-meta-footer {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}
.doc-meta-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.5rem;
}
.doc-meta-actions .github-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 500;
    color: var(--brand-primary);
}
.doc-meta-actions .github-link i {
    font-size: 0.9rem;
}
.doc-helpful {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}
.doc-helpful button {
    background: transparent;
    border: none;
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.85rem;
}
.doc-helpful button:hover {
    background: var(--nav-hover-bg);
    color: var(--brand-primary);
}

/* Grid Cards */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}
.feature-card {
    padding: 1.5rem;
}
.feature-card:hover { transform: translateY(-3px); border-color: var(--brand-primary); }

.analyze-signals-hero,
.take-action-hero {
    position: static;
    overflow: visible;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    margin-bottom: 2rem;
}

.signals-overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.signals-overview-card {
    padding: 1.25rem;
    display: grid;
    gap: 0.6rem;
}

.signals-overview-card strong {
    font-size: 1.05rem;
    line-height: 1.5;
    color: var(--text-primary);
}

.signals-overview-card p {
    margin: 0;
    color: var(--text-muted);
}

.signals-kicker {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    background: rgba(59, 130, 246, 0.12);
    color: var(--brand-primary);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.signal-section {
    margin-top: 2.5rem;
}

.signal-alerts-card {
    padding: 1.5rem;
    margin-top: 1.5rem;
}

.signal-alerts-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.signal-alerts-header h3 {
    margin: 0.6rem 0 0;
    font-size: 1.2rem;
}

.signal-badge {
    flex-shrink: 0;
    padding: 0.45rem 0.8rem;
    border-radius: 999px;
    background: var(--nav-hover-bg);
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 600;
}

.signal-alert-list {
    display: grid;
    gap: 0.9rem;
}

.signal-alert-item {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.1rem;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.03);
}

.signal-score {
    padding: 0.45rem 0.7rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
    white-space: nowrap;
}

.signal-score.positive {
    background: rgba(16, 185, 129, 0.12);
    color: #059669;
}

.signal-score.neutral {
    background: rgba(245, 158, 11, 0.14);
    color: #d97706;
}

.signal-score.negative {
    background: rgba(239, 68, 68, 0.12);
    color: #dc2626;
}

.intelligence-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    align-items: stretch;
}

.intelligence-card {
    position: relative;
    overflow: hidden;
    min-height: 100%;
}

.intelligence-card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 4px;
    background: var(--gradient-brand);
    opacity: 0.85;
}

.intelligence-card h3 {
    margin-top: 0.4rem;
    margin-bottom: 1rem;
}

.revenue-signal-grid {
    grid-template-columns: minmax(280px, 0.95fr) minmax(320px, 1.4fr);
    align-items: stretch;
}

.revenue-focus-card,
.revenue-metrics-card {
    height: 100%;
}

.revenue-stat-list,
.revenue-metric-grid {
    margin-top: 1.25rem;
}

.revenue-stat-list {
    display: grid;
    gap: 0.75rem;
}

.revenue-stat {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.9rem 1rem;
    border-radius: 14px;
    background: var(--nav-hover-bg);
}

.revenue-stat span,
.revenue-metric span,
.revenue-metric small {
    color: var(--text-secondary);
}

.revenue-stat strong,
.revenue-metric strong {
    color: var(--text-primary);
}

.revenue-metric-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.9rem;
}

.revenue-metric {
    display: grid;
    gap: 0.25rem;
    padding: 1rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    background: linear-gradient(180deg, rgba(59, 130, 246, 0.07), transparent);
}

.revenue-metric strong {
    font-size: 1.4rem;
    line-height: 1.1;
}

.revenue-metric small {
    font-size: 0.8rem;
}

.analyze-signals-hero h1,
.take-action-hero h1 {
    margin: 0 0 0.75rem;
}

.analyze-signals-hero .lead,
.take-action-hero .lead {
    margin-bottom: 0;
    max-width: 44rem;
}

.action-hero-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.action-hero-card {
    padding: 1.25rem;
    display: grid;
    gap: 0.65rem;
}

.action-hero-card strong {
    font-size: 1.05rem;
    line-height: 1.5;
}

.action-hero-card p {
    margin: 0;
    color: var(--text-muted);
}

.take-action-section {
    margin-top: 2.5rem;
}

.action-workflow-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    align-items: stretch;
}

.action-workflow-card {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.action-workflow-card p {
    margin: 0;
    color: var(--text-secondary);
}

.workflow-card-footer {
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
}

.workflow-card-footer span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.workflow-card-footer strong {
    font-size: 0.95rem;
}

.workflow-timeline {
    margin-top: 1.5rem;
    padding: 1.5rem;
}

.workflow-timeline-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.workflow-timeline-header h3 {
    margin: 0.6rem 0 0;
    font-size: 1.2rem;
}

.workflow-steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.workflow-step {
    padding: 1rem 1.1rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    background: linear-gradient(180deg, rgba(59, 130, 246, 0.06), transparent);
    display: grid;
    gap: 0.45rem;
}

.workflow-step span {
    color: var(--text-secondary);
}

.take-action-console {
    margin-top: 1.5rem;
    overflow: hidden;
    background: var(--bg-main);
}

.take-action-console-body {
    padding: 1.5rem;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 1.25rem;
    align-items: start;
}

.action-console-panel {
    display: grid;
    gap: 1rem;
    min-height: 100%;
}

.action-console-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.action-console-results {
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 18px;
    background: var(--bg-sidebar);
}

.action-result-list {
    display: grid;
    gap: 0.85rem;
}

.action-result-item {
    display: grid;
    gap: 0.3rem;
    padding: 0.95rem 1rem;
    border-radius: 14px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
}

.action-result-item span {
    color: var(--text-secondary);
}

/* Key/Value list (used inside feature cards) */
.kv-list {
    display: grid;
    gap: 0.9rem;
    margin-top: 1rem;
}
.kv-item {
    display: grid;
    gap: 0.2rem;
}
.kv-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}
.kv-value {
    font-size: 0.95rem;
    color: var(--text-muted);
}
.card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}
.card-icon.blue { background: rgba(59, 130, 246, 0.1); color: #3b82f6; }
.card-icon.purple { background: rgba(139, 92, 246, 0.1); color: #8b5cf6; }

[data-theme="dark"] .signal-alert-item {
    background: rgba(15, 23, 42, 0.58);
}

[data-theme="dark"] .signal-score.positive {
    color: #34d399;
}

[data-theme="dark"] .signal-score.neutral {
    color: #fbbf24;
}

[data-theme="dark"] .signal-score.negative {
    color: #f87171;
}

[data-theme="dark"] .workflow-step {
    background: linear-gradient(180deg, rgba(59, 130, 246, 0.12), rgba(15, 23, 42, 0.2));
}

/* Mock Dashboard */
.dashboard-mockup {
    margin-top: 2rem;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}
.mockup-header {
    background: var(--bg-sidebar);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}
.window-controls { display: flex; gap: 6px; }
.window-controls span { width: 12px; height: 12px; border-radius: 50%; background: #ef4444; }
.window-controls span:nth-child(2) { background: #f59e0b; }
.window-controls span:nth-child(3) { background: #10b981; }
.mockup-url {
    margin: 0 auto;
    background: var(--bg-main);
    padding: 0.2rem 1rem;
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--text-muted);
}
.mockup-body {
    display: flex;
    height: 250px;
    background: var(--card-bg);
}
.mock-sidebar {
    width: 60px;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
}
.mock-main {
    flex-grow: 1;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.mock-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.stage-pill {
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: #eef2ff;
}
.stage-pill:hover {
    background: #e0e7ff;
}
[data-theme="dark"] .stage-pill {
    background: rgba(15, 23, 42, 0.7);
    color: var(--text-secondary);
}
.mock-chart {
    flex-grow: 1;
    background: var(--bg-sidebar);
    border-radius: 6px;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}
.chart-line {
    position: absolute;
    bottom: 0; left: 0; right: 0; height: 60%;
    background: linear-gradient(to top, rgba(99, 102, 241, 0.2), transparent);
    border-top: 2px solid var(--brand-primary);
    border-radius: 100% 100% 0 0 / 50% 50% 0 0;
}

/* Integration Flow */
.integration-cards {
    padding: 2.5rem;
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.signals-box {
    border: 2px dashed var(--border-color);
    background: var(--bg-sidebar);
    border-radius: 12px;
    padding: 1.5rem;
    width: 100%;
    position: relative;
    transition: border-color 0.3s ease;
}
.signals-box:hover {
    border-color: var(--brand-primary);
}
.tech-grid {
    display: flex;
    flex-wrap: nowrap;
    justify-content: center;
    gap: 1.5rem;
    width: 100%;
}
.tech-card {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.25rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 0 0 130px;
    width: 130px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s, border-color 0.2s;
    text-align: center;
    z-index: 2;
}
.tech-card:hover {
    transform: translateY(-4px);
    border-color: var(--brand-primary);
}
.tech-card i {
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
}
.tech-card span {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
}
.tech-card small {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}
.flow-down {
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    width: 100%;
    margin: 1rem 0;
    z-index: 1;
}
.flow-line-vertical {
    position: absolute;
    top: -20px;
    bottom: -20px;
    left: 50%;
    width: 2px;
    transform: translateX(-50%);
    background: var(--border-color);
}
.animated-dot-vertical {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 10px;
    height: 10px;
    background: var(--brand-primary);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--brand-primary);
    animation: flowDown 2s infinite linear;
}
@keyframes flowDown { 
    0% { top: -20px; opacity: 0; } 
    10% { opacity: 1; } 
    90% { opacity: 1; } 
    100% { top: calc(100% + 10px); opacity: 0; } 
}
.hub-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 2;
}
.node {
    padding: 1rem 1.5rem;
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-weight: 600;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-sm);
}
.node.center {
    border-color: var(--border-color);
    cursor: default;
    transition: transform 0.2s ease, border-color 0.2s ease;
}
.node.center:hover {
    transform: translateY(-4px);
    border-color: var(--brand-primary);
}

/* Styled List */
.styled-list { list-style: none; margin-top: 1.5rem; }
.styled-list li {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    align-items: flex-start;
}
.list-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}
.list-content strong { display: block; margin-bottom: 0.25rem; color: var(--text-primary); font-size: 1.05rem; }
.list-content span { color: var(--text-secondary); }

/* Page Nav */
.page-nav {
    display: flex;
    justify-content: space-between;
    gap: 1.5rem;
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}
.nav-card {
    flex: 1;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}
.nav-card:hover { border-color: var(--brand-primary); }
.nav-card.disabled { opacity: 0.5; pointer-events: none; }
.nav-label { font-size: 0.85rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.5rem; }
.nav-title { font-size: 1.15rem; font-weight: 500; color: var(--brand-primary); }
.next-card { align-items: flex-end; text-align: right; }
.next-card i { position: absolute; right: 1.5rem; top: 50%; transform: translateY(-50%); font-size: 1.5rem; opacity: 0; transition: all 0.2s ease; color: var(--brand-primary); }
.next-card:hover i { opacity: 1; right: 1rem; transform: translateY(-50%) scale(1.1); }

/* Footer */
.content-footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}
.feedback-btns { display: flex; gap: 0.5rem; }
.feedback-btns .btn-icon { border: 1px solid var(--border-color); border-radius: 6px; padding: 0.4rem 0.8rem; width: auto; font-size: 0.9rem; }
.feedback-submitted {
    opacity: 0.6;
    cursor: default;
}
.feedback-submitted:hover {
    background: inherit;
    color: inherit;
}
.footer-links {
    display: flex;
    justify-content: space-between;
    width: 100%;
    margin-top: 2rem;
    font-size: 0.85rem;
}
.footer-links a { color: var(--text-muted); }
.footer-links a:hover { color: var(--brand-primary); }

/* Right Sidebar (TOC) */
.right-sidebar {
    width: 260px;
    flex-shrink: 0;
    padding: 2rem 1.5rem;
}
.sticky-top {
    position: sticky;
    top: 84px;
}
.toc-nav {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    border-left: 1px solid var(--border-color);
    padding-left: 0.5rem;
}
.toc-link {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    border-left: 2px solid transparent;
    margin-left: -0.6rem;
}
.toc-link:hover { color: var(--text-primary); }
.toc-link.active {
    color: var(--brand-primary);
    border-left-color: var(--brand-primary);
    background: rgba(59, 130, 246, 0.05);
    font-weight: 500;
}

.toc-promo {
    margin-top: 3rem;
    padding: 1.5rem;
    text-align: center;
}
.promo-icon { font-size: 2rem; margin-bottom: 0.5rem; }
.toc-promo p { font-size: 0.85rem; margin-bottom: 1rem; }

/* Animations */
.fade-in-up {
    animation: fadeInUp 0.5s ease forwards;
    opacity: 0;
    transform: translateY(20px);
}
@keyframes fadeInUp { to { opacity: 1; transform: translateY(0); } }

/* Custom Visualizations for Core Concepts */

/* Connect Your Stack */
.connection-grid {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 2rem;
    margin-top: 1.5rem;
    background: var(--bg-main);
}
.conn-box {
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-sidebar);
    font-weight: 500;
}
.conn-arrows i { color: var(--text-muted); font-size: 1.5rem; }
.conn-hub {
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}
.conn-hub i { font-size: 2rem; }

/* AI Comparison (Correlated Signals) */
.ai-comparison {
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    padding: 2rem;
    margin-top: 1.5rem;
    position: relative;
    background: var(--bg-main);
}
.comp-side {
    flex: 1;
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}
.comp-side.success-side { border-color: rgba(16, 185, 129, 0.4); background: var(--bg-green-light); }
.comp-side.fail-side { border-color: rgba(239, 68, 68, 0.4); background: var(--bg-red-light); }
.comp-side h4 { margin-bottom: 1rem; display: flex; align-items: center; gap: 0.5rem; }
.comp-side ul { padding-left: 1.5rem; color: var(--text-secondary); font-size: 0.95rem; }
.comp-side li { margin-bottom: 0.5rem; }
.comp-vs {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background: var(--card-bg);
    padding: 0.5rem;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    font-weight: 700;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Slack Notification Mockup */
.slack-mockup {
    margin-top: 1.5rem;
    overflow: hidden;
    background: var(--bg-main);
}
.slack-header {
    background: #4a154b;
    color: white;
    padding: 0.75rem 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.slack-message {
    padding: 1.25rem;
    display: flex;
    gap: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 18px;
    background: var(--card-bg);
}
.slack-avatar img { width: 40px; height: 40px; border-radius: 4px; }
.slack-content strong { color: var(--text-primary); }
.slack-content small { color: var(--text-muted); font-size: 0.75rem; margin-left: 0.5rem; }
.slack-card {
    margin-top: 0.75rem;
    border-left: 4px solid var(--color-green);
    background: var(--bg-sidebar);
    padding: 1rem;
    border-radius: 0 12px 12px 0;
}
.slack-card p { margin-bottom: 0.5rem; font-size: 0.95rem; }
.btn-slack {
    background: #007a5a;
    color: white;
    border: none;
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    font-size: 0.85rem;
    margin-top: 0.5rem;
}
.btn-slack:hover { background: #148567; }

/* CSS Funnel */
.css-funnel-container {
    padding: 2.5rem 2rem;
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--bg-main);
}
.funnel-step {
    width: 100%;
    text-align: center;
    margin-bottom: 0.5rem;
}
.funnel-step span { 
    display: block; 
    margin-bottom: 0.25rem; 
    font-size: 0.9rem; 
    color: var(--text-primary); 
    font-weight: 500;
}
.f-bar {
    height: 30px;
    background: var(--gradient-brand);
    margin: 0 auto;
    border-radius: 4px;
    transition: width 0.3s;
}
.f-1 .f-bar { width: 100%; opacity: 0.6; }
.f-2 .f-bar { width: 60%; opacity: 0.8; }
.f-3 .f-bar { width: 25%; opacity: 1; }
.f-drop {
    font-size: 0.85rem;
    color: var(--color-green);
    font-weight: 600;
    margin: 0.5rem 0;
}

/* Chart Mockup (Sparkline) */
.chart-mockup {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-main);
}
.chart-title { font-weight: 600; margin-bottom: 1rem; color: var(--text-primary); }
.chart-area { position: relative; height: 150px; }
.sparkline { width: 100%; height: 100%; overflow: visible; }
.sparkline-path {
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
    animation: drawLine 3s forwards ease-out;
}
@keyframes drawLine { to { stroke-dashoffset: 0; } }
.chart-tooltip {
    position: absolute;
    top: 15px;
    right: 80px;
    background: var(--bg-sidebar);
    border: 1px solid var(--border-color);
    padding: 0.5rem 0.75rem;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Health Widget */
.health-widget {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-main);
}
.border-red-glow { border-color: rgba(239, 68, 68, 0.4); box-shadow: 0 0 15px rgba(239, 68, 68, 0.1); }
.hw-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; }
.hw-badge {
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}
.hw-slider { position: relative; margin-bottom: 1.5rem; }
.hw-track {
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    position: relative;
    width: 100%;
}
.hw-fill {
    position: absolute;
    left: 0; top: 0; height: 100%;
    background: var(--color-red);
    border-radius: 4px;
}
.hw-thumb {
    position: absolute;
    top: -10px;
    width: 28px;
    height: 28px;
    background: var(--bg-main);
    border: 2px solid var(--color-red);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-primary);
    transform: translateX(-50%);
    box-shadow: var(--shadow-sm);
}
.hw-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 1rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}
.hw-reason {
    font-size: 0.9rem;
    color: var(--color-red);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

@media (max-width: 1200px) {
    .right-sidebar { display: none; }
}
@media (max-width: 1024px) {
    .nav-center { display: none; }
    .mobile-menu-btn { display: block; }
}
@media (max-width: 768px) {
    .left-sidebar { display: none; }
    .main-content { padding: 2rem; }
    .search-bar input { width: 40px; padding: 0; opacity: 0; }
    .search-bar i { pointer-events: none; z-index: 10; padding: 0.5rem; }
    .nav-right .btn-primary { display: none; }
    .signal-alerts-header,
    .signal-alert-item {
        grid-template-columns: 1fr;
    }
    .signal-alert-item {
        justify-items: start;
    }
    .workflow-timeline-header,
    .action-console-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .workflow-card-footer {
        flex-direction: column;
        align-items: flex-start;
    }
    .workflow-steps,
    .take-action-console-body,
    .revenue-signal-grid,
    .revenue-metric-grid {
        grid-template-columns: 1fr;
    }
    .signal-badge,
    .signal-score {
        white-space: normal;
    }
    .slack-message {
        padding: 1rem;
    }
}

ready-to-scale-promo {
    display: block;
}