:root {
    /* Deep Mycelial Obsidian Palette */
    --bg-obsidian: #080E0A;
    --bg-surface: #0B140D;
    --bg-surface-elevated: #111E14;
    --bg-surface-glass: rgba(11, 20, 13, 0.85);
    --bg-glass-card: rgba(14, 26, 17, 0.7);

    /* Bio-Luminescent Gold Accent */
    --accent-gold: #E5A93C;
    --accent-gold-hover: #F3BA54;
    --accent-gold-glow: rgba(229, 169, 60, 0.25);
    --accent-gold-muted: rgba(229, 169, 60, 0.12);

    /* Hyphae Green Secondary */
    --hyphae-green: #5A8A62;
    --hyphae-green-bright: #7DFF7D;
    --hyphae-green-glow: rgba(90, 138, 98, 0.3);
    --hyphae-green-muted: rgba(90, 138, 98, 0.15);

    /* Typography Colors */
    --text-primary: #E8EFE9;
    --text-secondary: #AFC2B2;
    --text-muted: #78907C;
    --text-inverse: #080E0A;

    /* Borders */
    --border-subtle: rgba(90, 138, 98, 0.2);
    --border-bright: rgba(125, 255, 125, 0.35);
    --border-frost: rgba(229, 169, 60, 0.3);

    /* Fonts */
    --font-serif: "Fraunces", Georgia, serif;
    --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: "JetBrains Mono", monospace;

    /* Spacing & Radii */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-full: 9999px;

    /* Legacy compatibility variables */
    --bg-color: #080E0A;
    --primary: #E5A93C;
    --secondary: #5A8A62;
    --accent: #E5A93C;
    --glass-bg: rgba(14, 26, 17, 0.7);
    --glass-border: rgba(90, 138, 98, 0.2);
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    background-color: var(--bg-obsidian);
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-obsidian);
    color: var(--text-primary);
    overflow-x: hidden;
    overflow-y: auto;
    min-height: 100dvh;
    width: 100%;
    position: relative;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Ambient Radial Mesh Background */
.ambient-mesh {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 0;
    background: 
        radial-gradient(circle at 15% 20%, rgba(90, 138, 98, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 85% 75%, rgba(229, 169, 60, 0.06) 0%, transparent 45%);
}

/* Header Navigation */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(8, 14, 10, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-subtle);
    width: 100%;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.brand-group {
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
}

.brand-logo {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.brand-logo span {
    color: var(--accent-gold);
}

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: var(--hyphae-green-muted);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--hyphae-green-bright);
    letter-spacing: 0.04em;
}

.status-dot {
    width: 6px;
    height: 6px;
    background: var(--hyphae-green-bright);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--hyphae-green-bright);
    animation: statusPulse 2.5s infinite;
}

@keyframes statusPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.85); }
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 28px;
    list-style: none;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--accent-gold);
}

.btn-operator {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--accent-gold-muted);
    border: 1px solid var(--border-frost);
    border-radius: var(--radius-full);
    color: var(--accent-gold);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
}

.btn-operator:hover {
    background: var(--accent-gold);
    color: var(--text-inverse);
    box-shadow: 0 0 16px var(--accent-gold-glow);
}

/* ========================================================================= */
/* Landing Page & Common Layout Elements */
/* ========================================================================= */
.hero-section {
    position: relative;
    padding: 90px 24px 70px;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    min-height: 520px;
    z-index: 10;
}

.substrate-canvas-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

#substrate-canvas, #mycelium-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.substrate-mobile-fallback {
    display: none;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(90, 138, 98, 0.12) 0%, transparent 70%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 860px;
}

.hero-badge {
    display: inline-flex;
    padding: 6px 14px;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--accent-gold);
    letter-spacing: 0.06em;
    margin-bottom: 24px;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.2rem, 5.5vw, 3.8rem);
    font-weight: 700;
    line-height: 1.15;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    margin-bottom: 24px;
}

.highlight-gold {
    color: var(--accent-gold);
}

.hero-subtitle {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    line-height: 1.7;
    color: var(--text-secondary);
    max-width: 720px;
    margin: 0 auto 36px;
}

.hero-ctas {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* Button Components */
.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 13px 26px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-primary {
    background: var(--accent-gold);
    color: var(--text-inverse);
    border: 1px solid var(--accent-gold);
}

.btn-primary:hover {
    background: var(--accent-gold-hover);
    box-shadow: 0 0 20px var(--accent-gold-glow);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-surface-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
    transform: translateY(-1px);
}

.btn-full {
    width: 100%;
}

/* Telemetry Strip */
.telemetry-strip {
    max-width: 1200px;
    margin: 0 auto 60px;
    padding: 0 24px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    position: relative;
    z-index: 10;
}

.telemetry-item {
    background: var(--bg-glass-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    transition: border-color 0.2s ease;
}

.telemetry-item:hover {
    border-color: var(--hyphae-green);
}

.telemetry-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.telemetry-value {
    font-family: var(--font-mono);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
}

.telemetry-value.gold {
    color: var(--accent-gold);
}

/* Content Sections */
.content-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 24px;
    position: relative;
    z-index: 10;
}

.section-header {
    margin-bottom: 44px;
    text-align: left;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--hyphae-green-bright);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 680px;
    line-height: 1.65;
}

/* Blueprint Topology Visualization */
.blueprint-container {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.blueprint-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    align-items: center;
    gap: 20px;
}

.blueprint-node {
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 28px;
    transition: all 0.25s ease;
}

.blueprint-node:hover {
    border-color: var(--accent-gold);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.node-icon {
    font-size: 1.8rem;
    margin-bottom: 14px;
}

.node-title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.node-tech {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-gold);
    margin-bottom: 12px;
}

.node-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.blueprint-connector {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.connector-line {
    width: 60px;
    height: 2px;
    background: var(--hyphae-green);
    position: relative;
}

.connector-badge {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text-muted);
    white-space: nowrap;
}

/* Core Pillars Grid */
.pillars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.pillar-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 32px;
    display: flex;
    flex-direction: column;
    transition: all 0.25s ease;
}

.pillar-card:hover {
    border-color: var(--hyphae-green-bright);
    background: var(--bg-surface-elevated);
    transform: translateY(-3px);
}

.pillar-number {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--accent-gold);
    letter-spacing: 0.08em;
    margin-bottom: 16px;
}

.pillar-title {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 14px;
}

.pillar-body {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    flex: 1;
    margin-bottom: 24px;
}

.pillar-meta {
    padding-top: 16px;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Open Source Callout Banner */
.open-source-banner {
    background: linear-gradient(135deg, rgba(14, 26, 17, 0.9) 0%, rgba(229, 169, 60, 0.08) 100%);
    border: 1px solid var(--border-frost);
    border-radius: var(--radius-lg);
    padding: 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.banner-content {
    max-width: 680px;
}

.banner-title {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.banner-desc {
    font-size: 0.98rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Footer */
.site-footer {
    border-top: 1px solid var(--border-subtle);
    background: var(--bg-surface);
    margin-top: 60px;
    padding: 36px 0;
    position: relative;
    z-index: 10;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-copyright {
    font-size: 0.88rem;
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 24px;
    list-style: none;
    flex-wrap: wrap;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.88rem;
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: var(--accent-gold);
}

/* ========================================================================= */
/* Elevated Dual-Column Profile / Chat / Review Layout (/george, /review) */
/* ========================================================================= */
.profile-page-wrapper {
    max-width: 1300px;
    margin: 30px auto 60px;
    padding: 0 24px;
    position: relative;
    z-index: 10;
}

.split-layout.review-split {
    grid-template-columns: 1fr 420px;
}

.split-layout {
    display: grid;
    grid-template-columns: 340px 1fr;
    background: var(--bg-surface-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
    min-height: 720px;
}

/* Left Column: Verifiable Outcomes & Fidelity Ledger */
.form-column, .outcomes-column {
    background: rgba(8, 14, 10, 0.6);
    border-right: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
}

.review-scroll-area {
    padding: 28px;
    overflow-y: auto;
    height: 100%;
}

.review-header {
    margin-bottom: 24px;
}

.review-header h2, .review-header h1 {
    font-family: var(--font-serif);
    font-size: 1.45rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.review-header p {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-muted);
    letter-spacing: 0.03em;
}

.outcomes-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.outcome-card {
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 16px 18px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.outcome-card:hover {
    border-color: var(--accent-gold);
    transform: translateX(3px);
    background: rgba(17, 30, 20, 0.9);
}

.outcome-title {
    font-family: var(--font-sans);
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.outcome-desc {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 10px;
}

.outcome-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
}

.outcome-category {
    color: var(--hyphae-green-bright);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.outcome-signal {
    color: var(--accent-gold);
}

/* Right Column: Conversational Synthesis Chat */
.chat-column {
    display: flex;
    flex-direction: column;
    background: var(--bg-surface);
    height: 100%;
}

.chat-header {
    padding: 22px 28px;
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.chat-title-group h1 {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
}

.chat-title-group h1 span {
    color: var(--accent-gold);
}

.chat-title-group p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

.review-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 14px;
    background: var(--accent-gold-muted);
    border: 1px solid var(--border-frost);
    border-radius: var(--radius-full);
    color: var(--accent-gold);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.review-link svg {
    width: 14px;
    height: 14px;
    max-width: 14px;
    max-height: 14px;
    min-width: 14px;
    min-height: 14px;
    stroke: currentColor;
}

.review-link:hover {
    background: var(--accent-gold);
    color: var(--text-inverse);
    box-shadow: 0 0 12px var(--accent-gold-glow);
}

.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.messages-area {
    flex: 1;
    overflow-y: auto;
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.message {
    display: flex;
    max-width: 88%;
}

.message.user-message {
    align-self: flex-end;
}

.message.ai-message {
    align-self: flex-start;
}

.message-content {
    padding: 14px 18px;
    border-radius: var(--radius-md);
    font-size: 0.92rem;
    line-height: 1.6;
}

.user-message .message-content {
    background: var(--accent-gold-muted);
    border: 1px solid var(--border-frost);
    color: var(--text-primary);
    border-bottom-right-radius: 2px;
}

.ai-message .message-content {
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
    border-bottom-left-radius: 2px;
}

.ai-message .message-content p {
    margin-bottom: 12px;
}

.ai-message .message-content p:last-child {
    margin-bottom: 0;
}

.ai-message .message-content ul, .ai-message .message-content ol {
    margin: 8px 0 8px 20px;
}

.ai-message .message-content code {
    font-family: var(--font-mono);
    font-size: 0.85em;
    background: rgba(0, 0, 0, 0.4);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--accent-gold);
}

.suggestion-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
}

.chip {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: var(--radius-full);
    font-family: var(--font-sans);
    font-size: 0.78rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.chip:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
    background: var(--accent-gold-muted);
}

.input-container {
    padding: 18px 24px;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    gap: 12px;
    background: rgba(8, 14, 10, 0.85);
}

.input-container input {
    flex: 1;
    padding: 12px 18px;
    background: var(--bg-obsidian);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s ease;
}

.input-container input:focus {
    border-color: var(--accent-gold);
    box-shadow: 0 0 10px var(--accent-gold-muted);
}

.input-container button, #ask-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 20px;
    background: var(--accent-gold);
    color: var(--text-inverse);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.input-container button:hover, #ask-btn:hover {
    background: var(--accent-gold-hover);
    box-shadow: 0 0 14px var(--accent-gold-glow);
}

.send-icon {
    width: 18px;
    height: 18px;
}

/* ========================================================================= */
/* Elevated Pricing Page (/pricing) */
/* ========================================================================= */
.pricing-page-wrapper {
    max-width: 1200px;
    margin: 40px auto 80px;
    padding: 0 24px;
    position: relative;
    z-index: 10;
}

.pricing-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 50px;
}

.pricing-title {
    font-family: var(--font-serif);
    font-size: clamp(2.2rem, 4vw, 3.2rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.pricing-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.billing-toggle-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin-bottom: 40px;
}

.billing-label {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.billing-label.active {
    color: var(--accent-gold);
    font-weight: 600;
}

.toggle-switch {
    position: relative;
    width: 48px;
    height: 26px;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
    cursor: pointer;
}

.toggle-switch .toggle-slider {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 18px;
    height: 18px;
    background: var(--accent-gold);
    border-radius: 50%;
    transition: transform 0.25s ease;
}

.toggle-switch.annual .toggle-slider {
    transform: translateX(22px);
}

.discount-badge {
    display: inline-flex;
    padding: 3px 8px;
    background: var(--hyphae-green-muted);
    border: 1px solid var(--hyphae-green-bright);
    border-radius: var(--radius-full);
    color: var(--hyphae-green-bright);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 600;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 28px;
    align-items: stretch;
}

.pricing-card {
    background: var(--bg-surface-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 36px;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all 0.25s ease;
}

.pricing-card:hover {
    transform: translateY(-4px);
    border-color: var(--hyphae-green-bright);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
}

.pricing-card.featured {
    border-color: var(--accent-gold);
    box-shadow: 0 0 30px var(--accent-gold-muted);
    background: rgba(14, 26, 17, 0.85);
}

.featured-pill {
    position: absolute;
    top: -13px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-gold);
    color: var(--text-inverse);
    padding: 4px 14px;
    border-radius: var(--radius-full);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.pricing-tier-name {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.pricing-tier-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 24px;
    min-height: 42px;
}

.pricing-price-box {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-bottom: 28px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-subtle);
}

.price-currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.price-amount {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.price-period {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--text-muted);
}

.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
    flex: 1;
    margin-bottom: 32px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.feature-icon {
    color: var(--hyphae-green-bright);
    font-size: 0.95rem;
    line-height: 1.3;
    flex-shrink: 0;
}

/* ========================================================================= */
/* Elevated Review Page (/review) */
/* ========================================================================= */
.review-form-wrapper {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.form-label {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-secondary);
    letter-spacing: 0.04em;
}

.form-input, .form-textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-obsidian);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.92rem;
    outline: none;
    transition: border-color 0.2s ease;
}

.form-input:focus, .form-textarea:focus {
    border-color: var(--accent-gold);
    box-shadow: 0 0 10px var(--accent-gold-muted);
}

.form-textarea {
    min-height: 110px;
    resize: vertical;
}

.error-message {
    display: none;
    padding: 10px 14px;
    background: rgba(220, 53, 69, 0.12);
    border: 1px solid rgba(220, 53, 69, 0.35);
    border-radius: var(--radius-sm);
    color: #FF8080;
    font-size: 0.82rem;
    margin-bottom: 14px;
}

.success-message {
    display: none;
    padding: 14px;
    background: var(--hyphae-green-muted);
    border: 1px solid var(--hyphae-green-bright);
    border-radius: var(--radius-sm);
    color: var(--hyphae-green-bright);
    font-size: 0.88rem;
    line-height: 1.5;
    margin-bottom: 16px;
}

.step {
    display: none;
}

.step.active {
    display: block;
}

/* ========================================================================= */
/* Slide-Over Operator Modal & Standalone Login (/login) */
/* ========================================================================= */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(4, 8, 5, 0.75);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-backdrop.open,
.modal-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.slide-modal {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 440px;
    height: 100vh;
    background: var(--bg-surface);
    border-left: 1px solid var(--border-subtle);
    z-index: 1001;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    box-shadow: -20px 0 50px rgba(0, 0, 0, 0.7);
}

.slide-modal.open,
.slide-modal.active {
    transform: translateX(0);
}

.modal-header {
    padding: 24px 28px;
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.btn-modal-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.8rem;
    line-height: 1;
    cursor: pointer;
    padding: 4px;
    transition: color 0.15s ease;
}

.btn-modal-close:hover {
    color: var(--text-primary);
}

.modal-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-subtle);
    background: var(--bg-surface-elevated);
}

.modal-tab-btn {
    flex: 1;
    padding: 14px;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
    text-align: center;
}

.modal-tab-btn.active {
    color: var(--accent-gold);
    border-bottom-color: var(--accent-gold);
    background: var(--bg-surface);
}

.modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 28px;
}

.tab-pane {
    display: none;
}

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

.modal-error-banner {
    display: none;
    padding: 12px 14px;
    background: rgba(220, 53, 69, 0.12);
    border: 1px solid rgba(220, 53, 69, 0.35);
    border-radius: var(--radius-sm);
    color: #FF8080;
    font-size: 0.85rem;
    margin-bottom: 20px;
}

.modal-success-banner {
    display: none;
    padding: 14px;
    background: var(--hyphae-green-muted);
    border: 1px solid var(--hyphae-green-bright);
    border-radius: var(--radius-sm);
    color: var(--hyphae-green-bright);
    font-size: 0.85rem;
    margin-bottom: 20px;
    line-height: 1.5;
}

.form-help {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-top: 8px;
    line-height: 1.5;
}

/* Standalone Login Card */
.standalone-login-container {
    max-width: 440px;
    margin: 60px auto;
    padding: 0 20px;
    position: relative;
    z-index: 10;
}

.standalone-login-card {
    background: var(--bg-surface-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 36px 30px;
    box-shadow: 0 24px 50px rgba(0, 0, 0, 0.6);
}

/* ========================================================================= */
/* Responsive Breakpoints */
/* ========================================================================= */
@media (max-width: 1024px) {
    .split-layout {
        grid-template-columns: 1fr;
        min-height: auto;
    }
    .form-column {
        border-right: none;
        border-bottom: 1px solid var(--border-subtle);
        max-height: 380px;
    }
    .blueprint-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .blueprint-connector {
        transform: rotate(90deg);
        margin: 10px 0;
    }
    .open-source-banner {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 768px) {
    .header-container {
        padding: 0 16px;
    }
    .nav-menu {
        display: none;
    }
    .hero-section {
        padding: 60px 16px 40px;
        min-height: auto;
    }
    .telemetry-strip {
        grid-template-columns: 1fr 1fr;
        padding: 0 16px;
        gap: 12px;
    }
    .content-section, .profile-page-wrapper, .pricing-page-wrapper {
        padding: 40px 16px;
    }
    .blueprint-container {
        padding: 24px 18px;
    }
    .pillars-grid, .pricing-grid {
        grid-template-columns: 1fr;
    }
    .slide-modal {
        max-width: 100%;
    }
    #substrate-canvas {
        display: none;
    }
    .substrate-mobile-fallback {
        display: block;
    }
}

@media (max-width: 480px) {
    .telemetry-strip {
        grid-template-columns: 1fr;
    }
    .hero-ctas {
        flex-direction: column;
        width: 100%;
    }
    .btn-primary, .btn-secondary {
        width: 100%;
    }
    .footer-container {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
}

.btn-clear-chat {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-clear-chat:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
    background: var(--accent-gold-muted);
}