.approach{padding:96px 24px 60px;position:relative}.aphead{text-align:center;max-width:640px;margin:0 auto 20px}.aphead h1{font-family:Cinzel,serif;font-weight:600;font-size:var(--fs-display-sm);letter-spacing:.06em;color:var(--ink);line-height:1.2}.aphead .th{font-family:var(--serif);color:var(--mist);margin-top:14px;font-size:clamp(1.15rem,2.2vw,1.5rem);font-style:italic}.spine{z-index:0;background:color-mix(in srgb,var(--teal) 28%,transparent);width:1px;position:absolute;top:220px;bottom:60px;left:50%;transform:translate(-50%)}.spine:after{content:"";background:var(--teal);border-radius:50%;width:6px;height:6px;animation:6s linear infinite flowdn;position:absolute;top:0;left:50%;transform:translate(-50%,-50%)}@keyframes flowdn{0%{opacity:0;top:-90px}12%{opacity:1}88%{opacity:1}to{opacity:0;top:100%}}.station{z-index:1;background:var(--panel);border:1px solid var(--line);max-width:760px;box-shadow:var(--cardsh);border-radius:18px;margin:70px auto;padding:28px 30px;position:relative}.station .rn{letter-spacing:.2em;color:var(--teal);font-family:Cinzel,serif;font-size:1.1rem}.station h3{font-family:var(--serif);color:var(--ink);margin:6px 0;font-size:clamp(1.4rem,2.6vw,1.9rem);font-style:italic;font-weight:500}.station .one{color:var(--mist);font-size:var(--fs-body-s)}.demo{border:1px solid var(--line);background:var(--void);border-radius:12px;margin-top:20px;padding:18px}.prune .loc{font-family:var(--mono);font-size:var(--fs-mono-lg);color:var(--amber);margin-bottom:12px}.twigs{flex-wrap:wrap;gap:8px;display:flex}.twig{appearance:none;font-family:var(--mono);font-size:var(--fs-meta);color:var(--mist);border:1px dashed var(--line-strong);cursor:pointer;background:0 0;border-radius:7px;padding:.5em .7em;transition:opacity .4s,transform .4s}.twig:hover{color:var(--amber);border-color:var(--amber-deep)}.twig.cut{opacity:0;pointer-events:none;transform:translateY(14px)}.prune .done{font-family:var(--mono);font-size:var(--fs-mono);color:var(--teal);opacity:0;margin-top:12px;transition:opacity .4s}.prune .done.on{opacity:1}.wipe{-webkit-user-select:none;user-select:none;touch-action:none;border-radius:10px;height:230px;position:relative;overflow:hidden}.wipe .layer{text-align:center;flex-direction:column;justify-content:center;align-items:center;padding:20px;display:flex;position:absolute;inset:0}.wipe .slop{color:#fff;background:linear-gradient(135deg,#6d28d9,#db2777 60%,#f0abfc)}.wipe .slop .card{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#ffffff2e;border:1px solid #fff6;border-radius:20px;padding:16px 22px}.wipe .slop .pill{color:#db2777;font-size:var(--fs-mono);background:#fff;border-radius:999px;margin-top:10px;padding:.4em 1em;display:inline-block}.wipe .slop h4{background:linear-gradient(90deg,#a5f3fc,#fff);color:#0000;-webkit-background-clip:text;background-clip:text;font-family:Segoe UI,sans-serif;font-weight:800}.wipe .clean{color:#eff8f5;clip-path:inset(0 50% 0 0);background:#05100f}.wipe .clean .wm{letter-spacing:.24em;font-family:Cinzel,serif;font-size:var(--fs-body-s);color:#eff8f5}.wipe .clean .rule{background:#36e3d1;width:120px;height:1px;margin:12px 0}.wipe .clean .d{font-family:JBMono,monospace;font-size:var(--fs-meta);color:#62e7da}.wipe .handle{cursor:ew-resize;z-index:3;background:#36e3d1;width:2px;position:absolute;top:0;bottom:0;left:50%;box-shadow:0 0 12px #36e3d1}.wipe .handle:after{content:"⇔";color:#36e3d1;width:30px;height:30px;font-size:var(--fs-mono-lg);background:#05100f;border:1px solid #36e3d1;border-radius:50%;place-items:center;display:grid;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.wipe .cap{z-index:4;font-family:JBMono,monospace;font-size:var(--fs-badge);color:#eff8f5;background:#05100f99;border-radius:5px;padding:.3em .6em;position:absolute;bottom:10px;left:12px}.contract .cbox{font-family:var(--mono);font-size:var(--fs-mono);color:var(--amber);border:1px solid var(--amber-deep);border-radius:8px;padding:10px 12px}.impls{flex-wrap:wrap;gap:8px;margin-top:14px;display:flex}.impls button{font-family:var(--mono);font-size:var(--fs-meta);color:var(--mist);background:var(--panel-2);border:1px solid var(--line);cursor:pointer;border-radius:8px;padding:.5em .8em}.impls button.on{border-color:var(--teal);color:var(--teal)}.impls button.bad.on{border-color:var(--down);color:var(--down)}.seam{font-family:var(--mono);font-size:var(--fs-mono);color:var(--teal);margin-top:14px}.seam.bad{color:var(--down)}.gitlog{font-family:var(--mono);font-size:var(--fs-meta);color:var(--mist);line-height:1.9}.gitlog .h{color:var(--amber)}.gitlog .ok{color:var(--up)}.gitlog .ai{color:var(--teal)}.gitlog .au{color:var(--mist-dim)}.gittoggle{appearance:none;font-family:var(--mono);font-size:var(--fs-meta);color:var(--mist);cursor:pointer;border:1px solid var(--line);background:0 0;border-radius:8px;align-items:center;gap:8px;margin-top:14px;padding:.5em .8em;transition:border-color .2s,color .2s;display:inline-flex}.gittoggle:hover{border-color:var(--line-strong);color:var(--parch)}.gitlog.faked{color:var(--amber)}.gitwarn{font-family:var(--mono);font-size:var(--fs-meta);color:var(--amber);height:1.2em;margin-top:10px}