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    <title>Tetrodot // Telemetry Node</title>
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    <!-- Top Telemetry Header -->
    <header class="w-full bg-[var(--panel-bg)] border border-[var(--border-dim)] rounded-xl px-4 py-3 flex flex-col sm:flex-row items-start sm:items-center justify-between shrink-0 mb-3 shadow-lg gap-2 sm:gap-0">
        <div class="flex items-center gap-3 w-full sm:w-auto flex-wrap">
            <div class="w-2.5 h-2.5 rounded-full bg-[#ccff00] animate-pulse shrink-0"></div>
            <span class="font-mono text-[10px] sm:text-xs font-bold tracking-widest uppercase text-zinc-300 truncate mr-2">TTRDT // SECURE_MX_RELAY</span>
            
            <!-- Weather Telemetry Sensor -->
            <div id="weather-telemetry" class="hidden items-center gap-2 px-2 py-0.5 rounded bg-black/30 border border-[var(--border-dim)]">
                <svg class="w-3 h-3 text-zinc-500" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="M3 15a4 4 0 004 4h9a5 5 0 10-.1-9.999 5.002 5.002 0 10-9.78 2.096A4.001 4.001 0 003 15z"></path></svg>
                <span id="weather-temp" class="font-mono text-[10px] font-bold text-[#ccff00]">--°F</span>
                <span id="weather-desc" class="font-mono text-[9px] uppercase text-zinc-400 tracking-wider hidden sm:inline">AWAITING SENSOR</span>
            </div>
        </div>
        <div class="w-full sm:w-auto border-t border-[var(--border-dim)] sm:border-0 pt-2 sm:pt-0 mt-1 sm:mt-0 flex justify-end">
            <a href="mailto:postmaster@tetrodot.com" class="bg-[#ccff00] hover:bg-white text-black font-mono font-bold text-[10px] uppercase tracking-wider py-1.5 px-3 rounded flex items-center gap-2 transition-colors">
                <span>Contact Postmaster</span>
                <svg class="w-3 h-3" fill="none" stroke="currentColor" stroke-width="2.5" viewBox="0 0 24 24">
                    <path stroke-linecap="square" stroke-linejoin="miter" d="M5 12h14M12 5l7 7-7 7" />
                </svg>
            </a>
        </div>
    </header>

    <!-- Main Condensed Workspace -->
    <main class="flex-1 w-full grid grid-cols-1 lg:grid-cols-12 gap-3 min-h-0">
        
        <!-- Left Column: Compact Molecule Telemetry (7 Cols) -->
        <div class="order-2 lg:order-1 lg:col-span-7 bg-[var(--panel-bg)] border border-[var(--border-dim)] rounded-xl flex flex-col overflow-hidden relative shadow-xl">
            
            <div class="px-5 py-3 border-b border-[var(--border-dim)] flex flex-col sm:flex-row sm:justify-between items-start sm:items-center bg-black/20 shrink-0 gap-1 sm:gap-0">
                <span class="font-mono text-[10px] sm:text-[11px] font-bold text-[#ccff00] tracking-widest uppercase truncate w-full sm:w-auto">Structural Topology // C11H17N3O8</span>
                <span class="font-mono text-[9px] sm:text-[10px] text-zinc-500 shrink-0">M: 319.27 g/mol</span>
            </div>

            <div class="flex-1 w-full flex items-center justify-center p-4 relative min-h-0">
                <svg viewBox="-30 50 400 270" class="w-full h-full max-h-[300px] lg:max-h-full">
                    <g class="bond">
                        <!-- Ring 1 (Guanidine Core) -->
                        <path d="M 100,120 L 50,150 L 50,210 L 100,240 L 150,210 L 150,150 Z" />
                        <!-- Ring 2 (Cyclohexane Core) -->
                        <path d="M 150,150 L 200,120 L 250,150 L 250,210 L 200,240 L 150,210" />
                        
                        <!-- Orthoester Cage -->
                        <path d="M 150,150 L 175,165 L 200,180" />
                        <path d="M 250,150 L 225,165 L 200,180" />
                        <path d="M 200,240 L 200,210 L 200,180" />

                        <!-- C2=N Double Bond -->
                        <path d="M 50,150 L 20,150" />
                        <path d="M 45,144 L 20,144" />
                        
                        <!-- C6 to OH (Dash) -->
                        <path d="M 250,210 L 285,240" class="dash" />
                    </g>

                    <!-- Stereochemical Wedges -->
                    <polygon points="100,240 75,280 90,282" class="wedge" />
                    <polygon points="250,210 305,180 310,195" class="wedge" />
                    <polygon points="200,120 192,80 208,80" class="wedge" />

                    <!-- Heteroatoms & Labels -->
                    <text x="100" y="120" class="atom">HN</text>
                    <text x="50" y="210" class="atom">NH</text>
                    
                    <!-- Active Group Highlight -->
                    <text x="0" y="150" class="atom fill-[var(--brand-neon)]">H₂N⁺</text>
                    
                    <!-- Orthoester Oxygens -->
                    <text x="175" y="165" class="atom">O</text>
                    <text x="225" y="165" class="atom">O</text>
                    <text x="200" y="210" class="atom">O</text>
                    
                    <!-- Hydroxyls -->
                    <text x="80" y="285" class="atom">OH</text>
                    <text x="295" y="250" class="atom">OH</text>
                    <text x="200" y="70" class="atom">OH</text>
                    <text x="325" y="185" class="atom">CH₂OH</text>
                </svg>
            </div>

            <div class="px-5 py-2.5 border-t border-[var(--border-dim)] bg-black/40 flex items-center justify-between font-mono text-[10px] text-zinc-400 shrink-0">
                <span>TARGET: NA+ CHANNELS</span>
                <span class="text-[#ccff00]">SECURE ENCLAVE</span>
            </div>

        </div>

        <!-- Right Column: Protocol & Brand Telemetry (5 Cols) -->
        <div class="order-1 lg:order-2 lg:col-span-5 flex flex-col gap-3 min-h-0">
            
            <!-- Brand Card -->
            <div class="bg-[var(--panel-bg)] border border-[var(--border-dim)] rounded-xl p-5 flex flex-col justify-between shrink-0 shadow-lg">
                <div class="flex items-center justify-between mb-2">
                    <span class="font-mono text-[10px] font-bold text-zinc-500 uppercase tracking-widest">System Identifier</span>
                    <span class="font-mono text-[10px] text-[#ccff00] bg-[#ccff00]/10 px-2 py-0.5 rounded">PARKING_ACTIVE</span>
                </div>
                <h1 class="font-display font-extrabold text-4xl lg:text-5xl tracking-tighter uppercase text-white">
                    Tetrodot.
                </h1>
            </div>

            <!-- Protocol Card -->
            <div class="bg-[var(--panel-bg)] border border-[var(--border-dim)] rounded-xl p-5 flex-1 flex flex-col shadow-lg overflow-y-auto">
                <div class="flex flex-col gap-6 flex-1">
                    <!-- Infrastructure Overview -->
                    <div>
                        <h2 class="font-mono text-[11px] font-bold uppercase tracking-widest text-[#ccff00] mb-3 flex items-center gap-2">
                            <span class="w-1.5 h-1.5 rounded-full bg-[#ccff00]"></span>
                            Infrastructure Overview
                        </h2>
                        <p class="text-xs text-zinc-300 font-medium leading-relaxed">
                            This domain is privately owned infrastructure utilized exclusively for personal communications, account management, and digital security. It does not host public web services.
                        </p>
                    </div>
    
                    <!-- Visitor Notice -->
                    <div>
                        <h2 class="font-mono text-[11px] font-bold uppercase tracking-widest text-[#ccff00] mb-3 flex items-center gap-2">
                            <span class="w-1.5 h-1.5 rounded-full bg-[#ccff00]"></span>
                            Visitor Notice
                        </h2>
                        <p class="text-xs text-zinc-300 font-medium leading-relaxed mb-3">
                            The administrator of this domain utilizes unique, service-specific email aliases when interacting with vendors, financial institutions, and healthcare providers.
                        </p>
                        <p class="text-xs text-zinc-400 leading-relaxed">
                            Any address terminating at this domain is a legitimate, actively monitored inbox designed to compartmentalize data and mitigate unauthorized tracking.
                        </p>
                    </div>
    
                    <!-- Verified Identity -->
                    <div>
                        <h2 class="font-mono text-[11px] font-bold uppercase tracking-widest text-[#ccff00] mb-3 flex items-center gap-2">
                            <span class="w-1.5 h-1.5 rounded-full bg-[#ccff00]"></span>
                            Verified Identity
                        </h2>
                        <p class="text-xs text-zinc-300 font-medium leading-relaxed">
                            Outbound communications are strictly authenticated via SPF, DKIM, and DMARC policies to prevent spoofing.
                        </p>
                    </div>
                </div>


            </div>

        </div>

    </main>

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        <span>&copy; <span id="copyright-year"></span> TETRODOT</span>
        <span class="text-zinc-400">ENCRYPTION: SECURE_TLS</span>
    </footer>

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