:root{--font-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--radius:14px;--radius-sm:10px;--radius-pill:999px;--space:8px;--shadow-1:0 1px 2px rgba(8,40,50,0.06),0 2px 8px rgba(8,40,50,0.05);--shadow-2:0 2px 6px rgba(8,40,50,0.08),0 10px 28px rgba(8,40,50,0.1);--transition-fast:150ms cubic-bezier(0.2,0,0,1);--transition:240ms cubic-bezier(0.2,0,0,1)}:root,:root[data-theme=light]{color-scheme:light;--bg:#f2f5f9;--bg-raised:#ffffff;--bg-sunken:#e9eef5;--text:#0d1826;--text-2:#48586d;--text-3:#5a6a80;--border:#dce4ee;--border-strong:#c3cfdf;--primary:#0b7c70;--primary-strong:#0a6459;--primary-tint:#e7f6f3;--on-primary:#ffffff;--accent-alt:#6d4fc4;--success:#0a7a52;--success-tint:#e2f5ee;--warning:#8c620a;--warning-tint:#fdf1e0;--danger:#c33636;--danger-tint:#fdeaea;--info:#0369a1;--info-tint:#e5f3fb;--skeleton-base:#e7edf4;--skeleton-sheen:#f6f9fc}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--bg:#05070c;--bg-raised:#101a2b;--bg-sunken:#0b121f;--text:#ecf2f9;--text-2:#a9bace;--text-3:#8496ad;--border:#1d2a40;--border-strong:#2b3d5c;--primary:#2dd4bf;--primary-strong:#5eead4;--primary-tint:#0c2e33;--on-primary:#04211c;--accent-alt:#b6a3f7;--success:#34d399;--success-tint:#0a2c26;--warning:#fbbf24;--warning-tint:#3a2a08;--danger:#f87171;--danger-tint:#3d1414;--info:#38bdf8;--info-tint:#082f43;--skeleton-base:#182338;--skeleton-sheen:#233350;--shadow-1:0 1px 2px rgba(0,0,0,0.4),0 2px 8px rgba(0,0,0,0.35);--shadow-2:0 2px 6px rgba(0,0,0,0.45),0 12px 32px rgba(0,0,0,0.5)}}:root[data-theme=dark]{color-scheme:dark;--bg:#05070c;--bg-raised:#101a2b;--bg-sunken:#0b121f;--text:#ecf2f9;--text-2:#a9bace;--text-3:#8496ad;--border:#1d2a40;--border-strong:#2b3d5c;--primary:#2dd4bf;--primary-strong:#5eead4;--primary-tint:#0c2e33;--on-primary:#04211c;--accent-alt:#b6a3f7;--success:#34d399;--success-tint:#0a2c26;--warning:#fbbf24;--warning-tint:#3a2a08;--danger:#f87171;--danger-tint:#3d1414;--info:#38bdf8;--info-tint:#082f43;--skeleton-base:#182338;--skeleton-sheen:#233350;--shadow-1:0 1px 2px rgba(0,0,0,0.4),0 2px 8px rgba(0,0,0,0.35);--shadow-2:0 2px 6px rgba(0,0,0,0.45),0 12px 32px rgba(0,0,0,0.5)}*,:after,:before{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:var(--font-sans);background:var(--bg);color:var(--text);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,p{margin:0}a{color:var(--primary);text-decoration:none}button{font:inherit;color:inherit}img{max-width:100%;display:block}@media 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10px}.hero-card{background:linear-gradient(135deg,var(--primary),var(--primary-strong));color:var(--on-primary);border:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;border-radius:var(--radius-sm);border:1px solid transparent;font-weight:600;font-size:15px;cursor:pointer;background:var(--bg-sunken);color:var(--text);transition:filter var(--transition-fast),background var(--transition-fast),transform var(--transition-fast);text-align:center}.btn:disabled{opacity:.55;cursor:not-allowed}.btn:not(:disabled):active{transform:scale(.985)}.btn-primary{background:var(--primary);color:var(--on-primary)}.btn-primary:not(:disabled):hover{filter:brightness(1.06)}.btn-danger{background:var(--danger);color:#fff}.btn-outline{background:transparent;border-color:var(--border-strong)}.btn-ghost{background:transparent;color:var(--primary)}.btn-block{width:100%}.btn-sm{min-height:36px;padding:0 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0}}.skeleton{border-radius:var(--radius-sm);background:var(--skeleton-base);background-image:linear-gradient(90deg,var(--skeleton-base) 0,var(--skeleton-sheen) 120px,var(--skeleton-base) 240px);background-size:800px 100%;animation:shimmer 1.4s linear infinite}.modal-overlay{position:fixed;inset:0;z-index:50;background:rgba(4,18,24,.55);display:grid;place-items:center;padding:16px;animation:fade-in .16s ease-out}.modal{width:100%;max-width:440px;max-height:86dvh;overflow-y:auto;background:var(--bg-raised);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-2);padding:20px;animation:pop-in .2s cubic-bezier(.2,0,0,1)}@keyframes fade-in{0%{opacity:0}}@keyframes pop-in{0%{opacity:0;transform:translateY(8px) scale(.98)}}.row,.row-between{display:flex;align-items:center;gap:12px}.row-between{justify-content:space-between}.stack{display:grid;grid-gap:12px;gap:12px}.muted{color:var(--text-2)}.small{font-size:13px}.center-state{text-align:center;padding:48px 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h3{font-size:16px;margin-bottom:6px}.step-num{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;margin-bottom:10px;border-radius:var(--radius-pill);background:var(--primary-tint);color:var(--primary-strong);font-size:13px;font-weight:800}.landing-grid>.card{animation-fill-mode:backwards}.landing-grid>.card:nth-child(2){animation-delay:45ms}.landing-grid>.card:nth-child(3){animation-delay:90ms}.landing-grid>.card:nth-child(4){animation-delay:135ms}