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

:root {
    --primary: #ffffff;
    --accent: #d4af37;
    --text: #ffffff;
    --text-dim: #999999;
    --text-muted: #666666;
    --bg: #000000;
    --bg-elevated: #0d0d0d;
    --bg-card: #1a1a1a;
    --border: rgba(255, 255, 255, 0.1);
    --border-subtle: rgba(255, 255, 255, 0.05);
    --mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
}

body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    font-weight: 300;
    letter-spacing: 0.3px;
}

/* LANDING PAGE */
.landing {
    position: relative;
    width: 100vw;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

#systemCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.4;
}

.content {
    position: relative;
    z-index: 1;
    text-align: center;
    animation: fadeIn 1.2s ease;
}

.mark {
    font-size: clamp(80px, 12vw, 140px);
    font-weight: 300;
    letter-spacing: 0.2em;
    color: var(--text);
    margin-bottom: 60px;
    text-shadow: 0 0 60px var(--primary-dim);
}

.tagline {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.3em;
    color: var(--text-dim);
    margin-bottom: 80px;
    text-transform: uppercase;
}

.actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 18px 56px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border-width: 2px;
}

.btn-primary {
    background: transparent;
    border: 2px solid var(--border);
    color: var(--primary-bright);
}

.btn-primary:hover {
    border-color: var(--primary-bright);
    background: var(--primary-dim);
    box-shadow: 0 0 30px var(--primary-dim);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: var(--text);
}

.btn-secondary:hover {
    border-color: rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text);
    transform: translateY(-2px);
}

/* SYSTEM HUB */
.system-hub {
    min-height: 100vh;
    padding: 60px 20px;
}

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 20px 40px;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 100;
}

.nav a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    transition: color 0.2s;
}

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

.hub-grid {
    max-width: 1200px;
    margin: 120px auto 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.hub-tile {2px solid rgba(255, 255, 255, 0.08
    aspect-ratio: 1;
    background: var(--bg-elevated);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    text-decoration: none;
    color: var(--text);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.hub-tile::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent, var(--primary-dim));
    opacity: 0;
    transition: opacity 0.3s;
}

.hub-tile:hover {
    border-color: var(--border);
    transform: translateY(-4px);
}

.hub-tile:hover::before {
    opacity: 1;
}

.hub-tile-content {
    position: relative;
    z-index: 1;
}

.hub-tile h2 {
    font-size: 13px;
    font-weight: 400;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    margin-bottom: 8px;
    color: var(--text);
}

.hub-tile p {
    font-size: 11px;
    font-weight: 300;
    color: var(--text-muted);
    letter-spacing: 1px;
    opacity: 0.6;
    transition: opacity 0.4s;
}

.hub-tile:hover p {
    opacity: 1;
    color: var(--text-dim);
}

/* CONTENT PAGES */
.page {
    max-width: 900px;
    margin: 0 auto;
    padding: 120px 40px 80px;
    min-height: 100vh;
}

.page h1 {
    font-size: 28px;
    font-weight: 200;
    letter-spacing: 5px;
    margin-bottom: 48px;
    color: var(--text);
    text-transform: uppercase;
    text-align: center;
}

.page h2 {
    font-size: 18px;
    font-weight: 400;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-top: 64px;
    margin-bottom: 24px;
    color: var(--text);
}

.page h3 {
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-top: 40px;
    margin-bottom: 16px;
    color: var(--accent);
}

.page p {
    font-size: 13px;
    line-height: 1.9;
    color: var(--text-dim);
    margin-bottom: 24px;
    font-weight: 300;
}

.page li {
    color: var(--text-dim);
    margin-bottom: 20px;
}

.page ul {
    list-style: none;
    padding-left: 0;
    margin-bottom: 32px;
}

.page li {
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-dim);
    margin-bottom: 12px;
    padding-left: 20px;
    position: relative;
}

.page li::before {
    content: '·';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-size: 20px;
}

.principle-box {
    backgrou2px solid var(--border-bright);
    padding:nd: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 2px solid var(--accent);
    padding: 40px;
    margin: 48px 0

.principle-box h3 {
    margin-top: 0;
}

.system-diagram {
    background: var(--bg-elevated);
    border: 2px solid rgba(255, 255, 255, 0.1);
    padding: 40px;
    margin: 60px 0;
    font-family: var(--mono);
    font-size: 13px;
    line-height: 2;
    color: var(--text-dim);
    overflow-x: auto;
}

.domain-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-left: 2px solid var(--accent);
    padding: 32px;
    margin-bottom: 32px;
    transition: all 0.3s ease;
}

.domain-card:hover {
    border-color: var(--border);
    background: var(--bg-elevated);
}

.domain-card h3 {
    margin-top: 0;
}

/* SIGNALS (BLOG) */
.signals-list {
    max-width: 800px;
    margin: 0 auto;
}

.signal-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 40px 0;
}

.signal-item h2 {
    font-size: 20px;
    font-weight: 400;
    margin: 0 0 12px 0;
}

.signal-item a {
    color: var(--text);
    text-decoration: none;
    transition: color 0.2s;
}

.signal-item a:hover {
    color: var(--primary);
}

.signal-meta {
    font-size: 11px;
    color: var(--text-dim);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.signal-excerpt {
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-dim);
}

/* ANIMATIONS */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .mark {
        letter-spacing: 0.15em;
    }
    
    .hub-grid {
        grid-template-columns: 1fr;
        margin-top: 100px;
    }
    
    .page {
        padding: 80px 20px 40px;
        max-width: 100%;
    }
    
    .actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 300px;
    }
}

/* AI CHAT INTERFACE */
.ai-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding-top: 80px;
}48px 20px;
    border-bottom: 1px solid var(--border-subtle);
}

.ai-header h1 {
    font-size: 20px;
    font-weight: 200;
    letter-spacing: 4px;
    margin-bottom: 16px;
    color: var(--text);
    text-transform: uppercase;
}

.ai-status {
    font-size: 9px;
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: 400;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.ai-pulse {
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.chat-container {
    flex: 1;
    max-width: 900px;
    width: 100%;
    margin: 0 auto;
    padding: 40px 20px;
    display: flex;
    flex-direction: column;
}

.messages {
    flex: 1;
    overflow-y: auto;
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.message {
    display: flex;
    gap: 16px;
    animation: messageSlide 0.4s ease;
}

@keyframes messageSlide {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.message.user .message-avatar {
    background: var(--bg-card);
    border: 1px solid var(--border);
}

.message.ai .message-avatar {
    background: var(--bg-elevated);
    border: 1px solid var(--accent);
}

.message-content {
    flex: 1;
    background: var(--bg-elevated);
    border: 2px solid rgba(255, 255, 255, 0.08);
    padding: 20px;
    border-radius: 8px;
    font-size: 15px;
    line-height: 1.7;card);
    border: 1px solid var(--border-subtle);
    padding: 24px;
    border-radius: 2px;
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-dim);
    font-weight: 300;
}

.message.ai .message-content {
    border-color: var(--border);
    background: var(--bg-elevated

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

.typing-indicator {
    display: flex;
    gap: 6px;
    padding: 16px 0;
}

.typing-dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: typingBounce 1.4s infinite ease-in-out;
}

.typing-dot:nth-child(1) { animation-delay: -0.32s; }
.typing-dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes typingBounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

.input-container {
    background: var(--bg-elevated);
    border: 2px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    box-shadow: 0 -4px 40px var(--primary-dim);
}card);
    border: 1px solid var(--border);
    border-radius: 0;
    padding: 20px
    align-items: flex-end;
}

#messageInput {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text);
    font-size: 15px;
    padding: 12px;
    outline: none;
    font-family: inherit;
    resize: none;
    min-height: 48px;
    max-height: 200px;
}

.send-btn {
    padding: 14px 32px;
    background: var(--primary);
    border: 2px solid var(--primary);
    color: #000;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-trans2px 32px;
    background: var(--primary);
    border: 1px solid var(--primary);
    color: #000;
    font-size: 10px;
    font-weight: 400;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 0;
    white-space: nowrap;
    flex-shrink: 0;
}

.send-btn:hover {
    background: transparent;
    color: var(--primary);
    transform: translateY(-1px
.suggestions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 24px;
    justify-content: center;
}

.suggestion-chip {
    padding: 8px 16px;
    backgroun10px 20px;
    background: transparent;
    border: 1px solid var(--border-subtle);
    color: var(--text-muted);
    font-size: 10px;
    font-weight: 300;
    letter-spacing: 1.5px;
    border-radius: 0;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    text-transform: uppercase;
}

.suggestion-chip:hover {
    background: var(--bg-elevated);
    border-color: var(--border);
    color: var(--tex

.welcome-message {
    text-align: center;
    padding: 64px 20px;
}

.welcome-message h2 {
    font-size: 16px;
    font-weight: 300;
    letter-spacing: 2px;
    margin-bottom: 16px;
    color: var(--text);
    text-transform: uppercase;
}

.welcome-message p {
    font-size: 13px;
    line-height: 1.8;
    color: var(--text-muted);
    font-weight: 300;
}