:root {
    --bg-dark: #050508;
    --panel-bg: #0d0d12;
    --neon-green: #00ff66;
    --neon-pink: #ff0055;
    --neon-blue: #00e5ff;
    --text-main: #e2e8f0;
    --text-dim: #64748b;
    --font-cyber: 'Courier New', Courier, monospace;
    --font-ui: system-ui, -apple-system, sans-serif;
    --border-line: 1px solid rgba(0, 229, 255, 0.2);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-ui);
    display: flex;
    min-height: 100vh;
}
a { text-decoration: none; color: inherit; }

/* Layout */
.cyber-layout {
    display: flex;
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
}

/* Sidebar */
.cyber-sidebar {
    width: 300px;
    background-color: var(--panel-bg);
    border-right: var(--border-line);
    display: flex;
    flex-direction: column;
    padding: 40px 30px;
    position: sticky;
    top: 0;
    height: 100vh;
}

.logo-block {
    font-family: var(--font-cyber);
    font-size: 32px;
    font-weight: 900;
    color: #fff;
    text-shadow: 2px 2px 0 var(--neon-pink);
    margin-bottom: 60px;
}

.side-nav {
    display: flex;
    flex-direction: column;
    gap: 20px;
    flex-grow: 1;
}

.side-nav a {
    font-family: var(--font-cyber);
    font-size: 16px;
    text-transform: uppercase;
    color: var(--text-dim);
    transition: 0.3s;
    display: flex;
    align-items: center;
    gap: 10px;
}
.side-nav a::before { content: '>'; color: var(--neon-blue); opacity: 0; transition: 0.3s; }
.side-nav a:hover { color: var(--neon-blue); }
.side-nav a:hover::before { opacity: 1; }

.side-trust {
    margin-top: auto;
    font-family: var(--font-cyber);
    font-size: 12px;
    color: var(--neon-green);
    line-height: 1.8;
}
.side-trust p::before { content: '[SYS] '; color: var(--neon-pink); }

/* Main Content */
.cyber-content {
    flex-grow: 1;
    padding: 60px 80px;
    overflow-y: auto;
}

/* Hero */
.hero-block {
    margin-bottom: 80px;
    border-left: 4px solid var(--neon-blue);
    padding-left: 40px;
}
.hero-block h1 {
    font-size: 72px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
    color: #fff;
    text-shadow: 0 0 10px rgba(0, 229, 255, 0.4);
}
.hero-block p {
    font-size: 20px;
    color: var(--text-dim);
    max-width: 600px;
    margin-bottom: 40px;
}

.action-row { display: flex; gap: 20px; }
.btn-cyber {
    padding: 15px 30px;
    font-family: var(--font-cyber);
    font-weight: bold;
    text-transform: uppercase;
    border: 1px solid var(--neon-blue);
    color: var(--neon-blue);
    background: transparent;
    cursor: pointer;
    transition: 0.3s;
}
.btn-cyber.primary {
    background: var(--neon-blue);
    color: #000;
    box-shadow: 0 0 15px var(--neon-blue);
}
.btn-cyber:hover {
    background: var(--neon-pink);
    border-color: var(--neon-pink);
    color: #fff;
    box-shadow: 0 0 15px var(--neon-pink);
}

/* Stats Terminal */
.terminal-block {
    background: #000;
    border: 1px solid var(--neon-green);
    padding: 30px;
    font-family: var(--font-cyber);
    color: var(--neon-green);
    margin-bottom: 80px;
    box-shadow: inset 0 0 20px rgba(0,255,102,0.1);
}
.terminal-block h2 { color: #fff; margin-bottom: 20px; font-size: 16px; border-bottom: 1px dashed var(--neon-green); padding-bottom: 10px;}
.term-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}
.term-line span:first-child { display: inline-block; width: 150px; color: var(--text-dim); }

/* Zigzag Features */
.features-list { margin-bottom: 80px; }
.feat-row {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-bottom: 40px;
    padding: 30px;
    background: var(--panel-bg);
    border: var(--border-line);
}
.feat-row:nth-child(even) { flex-direction: row-reverse; border-color: rgba(255, 0, 85, 0.3); }
.feat-num {
    font-family: var(--font-cyber);
    font-size: 80px;
    font-weight: 900;
    color: transparent;
    -webkit-text-stroke: 2px var(--neon-blue);
}
.feat-row:nth-child(even) .feat-num { -webkit-text-stroke: 2px var(--neon-pink); }
.feat-text h3 { font-size: 28px; margin-bottom: 10px; color: #fff; }
.feat-text p { color: var(--text-dim); font-size: 16px; }

/* Nodes Marquee */
.nodes-section { margin-bottom: 80px; overflow: hidden;}
.section-title { font-family: var(--font-cyber); color: var(--neon-blue); margin-bottom: 30px; font-size: 24px; text-transform: uppercase;}
.marquee-container {
    display: flex;
    gap: 20px;
    animation: scroll 15s linear infinite;
    white-space: nowrap;
}
.node-chip {
    padding: 15px 30px;
    background: var(--panel-bg);
    border: 1px solid var(--neon-pink);
    color: #fff;
    font-family: var(--font-cyber);
}
.node-chip span { color: var(--neon-pink); font-size: 12px; margin-left: 10px;}
@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* FAQ Columns */
.faq-cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 80px;
}
.faq-block h4 {
    font-size: 18px;
    color: #fff;
    margin-bottom: 15px;
    font-family: var(--font-cyber);
}
.faq-block h4::before { content: '? '; color: var(--neon-pink); }
.faq-block p { color: var(--text-dim); }

/* Footer */
.cyber-footer {
    border-top: var(--border-line);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    font-family: var(--font-cyber);
    font-size: 12px;
    color: var(--text-dim);
}

@media (max-width: 992px) {
    .cyber-layout { flex-direction: column; }
    .cyber-sidebar { width: 100%; height: auto; border-right: none; border-bottom: var(--border-line); position: relative;}
    .cyber-content { padding: 40px 20px; }
    .term-grid { grid-template-columns: 1fr; }
    .faq-cols { grid-template-columns: 1fr; }
    .feat-row, .feat-row:nth-child(even) { flex-direction: column; text-align: center; }
}