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rgba(16,17,26,.88);--glass-border: rgba(255,255,255,.08);--glass-shadow: rgba(0,0,0,.5);--header-bg: rgba(5,5,10,.9);--body-bg: var(--bg-primary);--input-bg: rgba(255,255,255,.05);--input-border: rgba(255,255,255,.1)}:root{--font-sans: "Poppins", sans-serif;--font-mono: "JetBrains Mono", monospace;font-family:var(--font-sans);font-weight:400;background-color:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;margin:0;padding:0;box-sizing:border-box}*,*:before,*:after{box-sizing:inherit}h1,h2,h3,h4,h5,h6{color:var(--text-primary);margin:0}p,span,label,td,th,li{color:inherit}body{background:var(--body-bg);min-height:100vh;overflow-x:hidden;transition:background .2s,color 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var(--border)}.switch-label{display:flex;align-items:center;gap:.5rem;font-size:.9rem;font-weight:600}.switch-btn{width:44px;height:24px;border-radius:12px;background:var(--border);position:relative;cursor:pointer;border:none;transition:background .2s ease}.switch-btn.on{background:var(--brand)}.switch-nob{width:18px;height:18px;border-radius:50%;background:#fff;position:absolute;top:3px;left:3px;transition:transform .2s cubic-bezier(.4,0,.2,1);box-shadow:0 1px 3px #0000004d}.switch-btn.on .switch-nob{transform:translate(20px)}.pin-table{width:100%;border-collapse:collapse;margin-top:1rem}.pin-table th,.pin-table td{padding:.6rem;font-size:.85rem;text-align:left;border-bottom:1px solid var(--border)}.pin-table th{color:var(--text-muted);font-weight:700;font-size:.72rem;text-transform:uppercase;letter-spacing:.8px}.pin-vcc{color:#ef4444;font-weight:700}.pin-gnd{color:var(--text-muted);font-weight:700}.pin-tx{color:#f59e0b;font-weight:700}.pin-rx{color:#38bdf8;font-weight:700}.lock-config-box{background:#3b82f60f;border:2px solid rgba(59,130,246,.2);border-radius:0;padding:1rem;margin-top:1.25rem}.lock-config-box h4{margin:0 0 .5rem;color:var(--brand)}.lock-config-box ul{margin:0;padding-left:1.2rem;font-size:.85rem;color:var(--text-second);display:flex;flex-direction:column;gap:.4rem}.step-list{display:flex;flex-direction:column;gap:1.5rem;padding:0;list-style:none}.step-list li{display:flex;gap:1rem}.step-number{flex-shrink:0;width:28px;height:28px;border-radius:0;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem}.step-content{display:flex;flex-direction:column;gap:.25rem}.step-content h5{margin:0;font-size:1rem;font-weight:600}.step-content p{margin:0;font-size:.9rem;color:var(--text-second);line-height:1.4}.landing-container{display:flex;flex-direction:column;gap:4rem;padding:2rem 0 4rem}.hero-section{text-align:center;max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:1.5rem}.badge-glow{background:var(--brand-light);border:2px solid var(--brand);color:var(--brand-dark);padding:.35rem 1rem;border-radius:0;font-size:.72rem;font-weight:700;align-self:center;letter-spacing:1px;text-transform:uppercase}[data-theme=dark] .badge-glow{background:#3b82f61a;border-color:#3b82f666;color:#60a5fa}.hero-title{font-size:2.8rem;font-weight:700;line-height:1.1;letter-spacing:-1.5px;margin:0;color:var(--text-primary)}.hero-title span{color:var(--brand)}[data-theme=dark] .hero-title{background:linear-gradient(135deg,#f1f2f6 30%,var(--text-second) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}[data-theme=dark] .hero-title span{background:linear-gradient(135deg,#3b82f6,#10b981);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero-desc{font-size:1.1rem;line-height:1.7;color:var(--text-second);max-width:600px;margin:0 auto}.hero-actions{display:flex;justify-content:center;gap:1rem;margin-top:1rem}.btn-large{padding:.8rem 2rem;border-radius:0;font-family:var(--font-sans);font-size:.95rem;font-weight:700;cursor:pointer;display:flex;align-items:center;gap:.5rem;letter-spacing:.5px;border:2px solid;box-shadow:4px 4px #05050a2e;transition:all .1s ease}.btn-large:hover{transform:translate(-2px,-2px);box-shadow:6px 6px #05050a2e}.btn-large:active{transform:translate(2px,2px);box-shadow:2px 2px #05050a2e}.btn-large.primary{background:var(--navy);border-color:var(--navy);color:#fff}.btn-large.secondary{background:var(--bg-card);border-color:var(--border);color:var(--text-primary)}.features-title{text-align:center;font-size:1.8rem;font-weight:700;margin-bottom:.5rem;letter-spacing:-.5px}.features-desc{text-align:center;color:var(--text-second);max-width:500px;margin:0 auto 2.5rem}.feat-card{display:flex;flex-direction:column;gap:1rem}.feat-icon-box{width:48px;height:48px;border-radius:0;display:flex;align-items:center;justify-content:center;border:2px solid}.feat-icon-box.blue{background:#3b82f61a;color:var(--brand);border-color:#3b82f64d}.feat-icon-box.green{background:#10b9811a;color:var(--color-success);border-color:#10b9814d}.feat-icon-box.purple{background:#3b82f61a;color:var(--brand);border-color:#3b82f633}.feat-card h4{font-size:1.05rem;font-weight:700;margin:0 0 .5rem}