:root {
    --bg-main: #ffffff;
    --bg-secondary: #f3f2f1;
    --bg-tertiary: #faf9f8;
    --text-main: #242424;
    --text-muted: #605e5c;
    --primary: #0067b8;
    --primary-hover: #005da6;
    --accent: #0078d4;
    --border: #e1dfdd;
    --glass-bg: #ffffff;
    --glass-border: #e1dfdd;
    --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] {
    --bg-main: #121212;
    --bg-secondary: #1e1e1e;
    --bg-tertiary: #2d2d30;
    --text-main: #e2e8f0;
    --text-muted: #94a3b8;
    --primary: #4e96d8;
    --primary-hover: #6cb0f4;
    --border: #3f3f46;
    --glass-bg: #1e1e1e;
    --glass-border: #3f3f46;
    --card-shadow: 0 4px 12px rgba(0,0,0, 0.3);
}

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

body {
    font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.5;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-weight: 600;
}

a {
    text-decoration: none;
    color: var(--primary);
}

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--bg-main);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 0;
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 600;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-main);
}

.logo-icon {
    color: var(--primary);
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a:not(.btn) {
    color: var(--text-main);
    font-size: 0.9rem;
    transition: color 0.1s;
}

.nav-links a:not(.btn):hover {
    text-decoration: underline;
}

.theme-toggle {
    background: transparent;
    border: none;
    color: var(--text-main);
    cursor: pointer;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 1rem;
}
.theme-toggle:hover {
    color: var(--primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 2px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background-color 0.1s ease;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
}

.btn-secondary {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--text-main);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-main);
}

.btn-outline:hover {
    background: var(--bg-secondary);
}

/* Typography Gradient -> Flat Blue for Microsoft Style */
.gradient-text {
    color: var(--primary);
}

/* Ensure the hero container positions its child canvas correctly */
.hero {
    padding: 8rem 0 4rem;
    background-color: var(--bg-secondary);
    min-height: auto;
    position: relative;
    overflow: hidden;
}

#hero-blockchain-canvas {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 10;
    pointer-events: none;
}

.hero-container * {
    pointer-events: auto;
}

.badge {
    display: inline-block;
    padding: 0.1rem 0.5rem;
    background: #cce3f5;
    color: #005a9e;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.integrations {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.integration-icons {
    display: flex;
    gap: 0.5rem;
}

.pill {
    background: var(--bg-main);
    border: 1px solid var(--border);
    padding: 0.2rem 0.5rem;
    font-size: 0.75rem;
}

/* Terminal Visualizer (Windows Terminal / PowerShell style) */
.terminal {
    background: #0c0c0c;
    border: 1px solid var(--border);
    border-radius: 4px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    position: relative;
}

.mac-header {
    background: #2b2b2b;
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
}

.mac-btn {
    display: none; /* No mac buttons for a MSFT style, or make them Windows style if needed */
}

.mac-title {
    font-family: Consolas, "Courier New", monospace;
    font-size: 0.85rem;
    color: #cccccc;
    display: block;
}

.terminal-body {
    padding: 1rem;
    font-family: Consolas, "Courier New", monospace;
    font-size: 0.85rem;
    line-height: 1.5;
    height: 350px;
    overflow-y: hidden;
    color: #cccccc;
}

.term-line {
    margin-bottom: 0.25rem;
}

.c-green { color: #16c60c; }
.c-red { color: #e74856; }
.c-blue { color: #3b78ff; }
.c-yellow { color: #f9f1a5; }
.c-muted { color: #767676; }

/* Sections */
.section {
    padding: 4rem 0;
}

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

.section-title {
    font-size: 2.25rem;
    margin-bottom: 1rem;
    text-align: center;
}

.section-desc {
    text-align: center;
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Scenarios Showcase */
.scenario-showcase {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.showcase-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.showcase-row.reverse {
    direction: rtl;
}

.showcase-row.reverse > * {
    direction: ltr;
}

.showcase-text {
    max-width: 500px;
}

.showcase-text h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.showcase-text p {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.95rem;
    color: var(--text-muted);
}

.feature-list li::before {
    content: "\2713"; /* Checkmark */
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

.feature-list strong {
    color: var(--text-main);
}

/* Visualizations container */
.showcase-visual {
    background: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: 4px;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

/* Pipeline Split */
.pipeline {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.pipeline-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.pipeline-text .section-title, .pipeline-text .section-desc {
    text-align: left;
    margin-left: 0;
}

/* Code Window */
.code-window {
    background: #0c0c0c;
    border-radius: 4px;
    border: 1px solid #333;
    overflow: hidden;
    width: 100%;
}

.code-window pre {
    padding: 1rem;
    font-family: Consolas, "Courier New", monospace;
    font-size: 0.85rem;
    overflow-x: auto;
    color: #ccc;
    margin: 0;
}

.code-window .keyword { color: #569cd6; }
.code-window .string { color: #ce9178; }
.code-window .comment { color: #6a9955; }
.code-window .highlight { 
    background: rgba(86, 156, 214, 0.2); 
    display: block;
}

/* Specific Visualizations adjustments for Light Mode */
.quarantine-viz {
    width: 100%; height: 100%;
    position: relative;
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 1rem;
}
.data-source {
    background: var(--bg-secondary); padding: 1rem;
    border: 1px dashed var(--text-muted); font-size: 0.85rem;
}
.router-node {
    background: var(--primary); color: white; padding: 1rem;
    font-weight: 600; font-size: 0.85rem; z-index: 2;
}
.data-stream, .routes {
    flex-grow: 1; position: relative; height: 80px;
}
.routes {
    display: flex; flex-direction: column; justify-content: space-between;
}
.route-prod, .route-quar {
    background: var(--bg-secondary); padding: 0.5rem; font-size: 0.75rem;
    border: 1px solid var(--border);
}
.data-packet {
    width: 12px; height: 12px; position: absolute;
    top: 50%; transform: translateY(-50%); opacity: 0;
}
.data-packet.good { background: #107c10; }
.data-packet.bad { background: #d13438; }
.data-stream .data-packet { animation: moveRight 4.5s linear infinite; }
.route-anim { top: -5px; left: -30px; animation: moveRouteProd 4.5s linear infinite; }
.route-anim-bad { top: 30px; left: -30px; animation: moveRouteQuar 4.5s linear infinite; }
@keyframes moveRight { 0% { left: 0; opacity: 1; } 90% { opacity: 1; } 100% { left: 100%; opacity: 0; } }
@keyframes moveRouteProd { 0% { left: -30px; opacity: 0; } 40% { left: -30px; opacity: 0; } 45% { opacity: 1; } 100% { left: 10px; opacity: 1; } }
@keyframes moveRouteQuar { 0% { left: -30px; opacity: 0; } 40% { left: -30px; opacity: 0; } 45% { opacity: 1; } 100% { left: 10px; opacity: 1; } }

.healing-viz { width: 90%; }
.pr-body { padding: 1rem; background: var(--bg-main); color: var(--text-main); }
.pr-title { font-weight: 600; margin-bottom: 0.25rem; font-size: 0.9rem; }
.pr-desc { color: var(--text-muted); font-size: 0.8rem; margin-bottom: 0.75rem; }
.diff-block { background: var(--bg-tertiary); font-family: Consolas, monospace; font-size: 0.8rem; border: 1px solid var(--border); margin-bottom: 0.75rem; }
.diff-minus { background: #fdf2f5; color: #d13438; padding: 0.2rem 0.5rem; }
.diff-plus { background: #f3fcf3; color: #107c10; padding: 0.2rem 0.5rem; }
.pr-merge-btn { background: #107c10; color: white; padding: 0.25rem 0.75rem; font-size: 0.8rem; font-weight: 600; display: inline-block; cursor: pointer; }

.sla-viz { width: 100%; height: 100%; display: flex; align-items: flex-end; justify-content: center; padding: 1.5rem; position: relative; }
.chart-container { display: flex; align-items: flex-end; gap: 1rem; width: 100%; height: 150px; border-bottom: 1px solid var(--border); border-left: 1px solid var(--border); position: relative; }
.chart-bar { flex: 1; background: var(--primary); position: relative; transition: height 0.5s ease; margin-left:1px; }
.chart-bar span { position: absolute; bottom: -20px; left: 50%; transform: translateX(-50%); font-size: 0.7rem; color: var(--text-muted); }
.chart-bar.alert { background: #d13438; animation: none; } /* Removed blinking per MSFT clean styling */
.alert-popup { position: absolute; top: -35px; left: 50%; transform: translateX(-50%); background: #d13438; color: white; padding: 0.2rem 0.4rem; font-size: 0.7rem; font-weight: bold; white-space: nowrap; opacity: 0; animation: flashPopup 3s infinite; }
.chart-baseline { position: absolute; top: 30%; left: 0; width: 100%; height: 1px; border-top: 1px dashed var(--text-muted); font-size: 0.7rem; color: var(--text-muted); padding-left: 2px;}
@keyframes flashPopup { 0%, 20% { opacity: 0; top: -15px; } 30%, 80% { opacity: 1; top: -35px; } 100% { opacity: 0; top: -15px; } }

.chat-viz { width: 100%; padding: 1.5rem; display: flex; flex-direction: column; gap: 1rem; }
.chat-message { display: flex; gap: 0.75rem; align-items: flex-start; }
.chat-message.user { flex-direction: row-reverse; }
.avatar, .avatar-robot { width: 28px; height: 28px; border-radius: 50%; flex-shrink: 0; }
.avatar-robot { background: var(--bg-secondary); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; font-size: 0.9rem; }
.bubble { background: var(--bg-secondary); padding: 0.5rem 0.75rem; font-size: 0.85rem; max-width: 80%; border: 1px solid var(--border); color: var(--text-main); }
.user .bubble { background: var(--primary); color: white; border-color: var(--primary); }
.bubble.typing { display: flex; gap: 0.2rem; align-items: center; height: 32px; width: 40px; justify-content: center; }
.dot { width: 4px; height: 4px; background: var(--text-muted); border-radius: 50%; animation: typing 1.4s infinite ease-in-out both; }
.dot:nth-child(1) { animation-delay: -0.32s; }
.dot:nth-child(2) { animation-delay: -0.16s; }

/* Footer */
.footer {
    padding: 3rem 0 1.5rem;
    background: var(--bg-secondary);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    border-bottom: 1px solid var(--border);
    padding-bottom: 2rem;
    margin-bottom: 1.5rem;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

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

.footer-links a {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-links a:hover {
    text-decoration: underline;
    color: var(--text-main);
}

.footer-bottom {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* Responsive */
@media (max-width: 900px) {
    .hero-container, .pipeline-split, .showcase-row { grid-template-columns: 1fr; }
    .hero { padding-top: 6rem; text-align: center; }
    .hero-actions { justify-content: center; }
    .integrations { justify-content: center; }
    .showcase-row.reverse { direction: ltr; }
    .showcase-row.reverse > * { direction: ltr; }
    .pipeline-text .section-title, .pipeline-text .section-desc { text-align: center; }
    .footer-content { flex-direction: column; gap: 1.5rem; }
}

@media (max-width: 768px) {
    .nav-content {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem 0;
    }
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.75rem;
    }
    .nav-links a:not(.btn) {
        font-size: 0.85rem;
    }
    .hero h1 {
        font-size: 2.25rem;
    }
    .hero-subtitle {
        font-size: 1rem;
    }
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
    .terminal-body {
        padding: 1rem;
    }
    .terminal-body pre {
        font-size: 0.75rem;
        overflow-x: auto;
    }
    .section-title {
        font-size: 1.75rem;
    }
    .docs-catalog {
        grid-template-columns: 1fr;
    }
    .showcase-row {
        gap: 2rem;
    }
}

/* Documentation Catalog Visualizations */
.docs-catalog {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}
.doc-card {
    background: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease, border-color 0.2s ease;
}
.doc-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
}
.doc-visual {
    height: 160px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 1rem;
}
.doc-content {
    padding: 1.5rem;
    flex-grow: 1;
}
.doc-content h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}
.doc-content p {
    font-size: 0.9rem;
    color: var(--text-muted);
}
/* Specific Doc Visualizations */
.doc-viz-yaml {
    font-family: Consolas, monospace; font-size: 0.75rem; color: #ce9178; text-align: left;
    background: #1e1e1e; padding: 1rem; border-radius: 4px; width: 80%; box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}
.doc-viz-yaml .key { color: #9cdcfe; }
.doc-viz-connectors {
    display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center;
}
.connector-icon {
    width: 40px; height: 40px; border-radius: 50%; background: var(--bg-main); border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center; font-size: 0.8rem; font-weight: bold; box-shadow: var(--card-shadow);
}
.doc-viz-api {
    width: 80%; background: var(--bg-main); border: 1px solid var(--border); border-radius: 4px; overflow: hidden;
}
.api-endpoint {
    background: #f0fdf4; border-left: 4px solid #16a34a; padding: 0.5rem; font-family: Consolas; font-size: 0.75rem; color: #16a34a; font-weight: bold;
}
[data-theme="dark"] .api-endpoint { background: #14532d; color: #4ade80; }
.doc-viz-py {
    font-family: Consolas, monospace; font-size: 0.75rem; color: #d4d4d4; text-align: left;
    background: #1e1e1e; padding: 1rem; border-radius: 4px; width: 80%;
}
.doc-viz-py .kw { color: #569cd6; }
.doc-viz-py .fn { color: #dcdcaa; }