/* ChatGPT Visibility — "field protocol / clipboard" direction */
.crumbs{display:flex;flex-wrap:wrap;gap:10px;font-size:14px;color:var(--mut);margin-bottom:28px}
.crumbs a:hover{color:var(--p3)}.crumbs b{color:var(--p3);font-weight:600}
.more{display:inline-block;margin-top:24px;font-weight:700;color:var(--p3)}.more:hover{color:var(--p)}
.mono{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.08em;text-transform:uppercase}
.page-gpt main>section{overflow-x:clip}
/* hero */
.gpt-hero{position:relative;overflow:hidden;background-color:#faf8ff;background-image:linear-gradient(rgba(127,66,244,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(127,66,244,.07) 1px,transparent 1px),linear-gradient(rgba(127,66,244,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(127,66,244,.035) 1px,transparent 1px);background-size:120px 120px,120px 120px,24px 24px,24px 24px;border-bottom:1px solid var(--line);padding-bottom:70px}
.gpt-hero:before{content:"";position:absolute;right:-10%;top:-30%;width:60%;height:130%;background:radial-gradient(closest-side,rgba(156,103,255,.22),transparent);pointer-events:none}
.gpt-hero-in{position:relative;display:grid;grid-template-columns:1.05fr 1fr;gap:50px;align-items:center;padding-top:40px}
.gpt-h1{font-size:clamp(32px,3.4vw,50px)}
.gpt-h1 mark{background:linear-gradient(transparent 62%,rgba(156,103,255,.35) 62% 92%,transparent 92%);color:inherit;background-size:0 100%;background-repeat:no-repeat;animation:hlSweep 1s var(--ease) 1.2s forwards}
@keyframes hlSweep{to{background-size:100% 100%}}
.proto-stage{position:relative;min-width:0;padding:30px 0 120px 60px}
.sheet{position:relative;background:#fff;border:1px solid #e3d9f6;border-radius:18px;padding:40px 28px 26px;box-shadow:0 30px 70px rgba(74,39,125,.14),0 2px 0 #efe8fb;transform:rotate(1.4deg);transition:transform .6s var(--ease)}
.sheet:hover{transform:rotate(0)}
.clip{position:absolute;left:50%;top:-18px;width:120px;height:34px;margin-left:-60px;border-radius:10px;background:linear-gradient(#c9ccd6,#9ea3b0);box-shadow:inset 0 -3px 0 rgba(0,0,0,.12),0 6px 12px rgba(0,0,0,.12)}
.clip:after{content:"";position:absolute;left:50%;top:-10px;width:40px;height:18px;margin-left:-20px;border:4px solid #9ea3b0;border-bottom:0;border-radius:12px 12px 0 0}
.sh-top{display:flex;justify-content:space-between;align-items:center;color:var(--mut);padding-bottom:14px;border-bottom:2px dashed var(--line);margin-bottom:16px}
.sh-no{font-size:13px;font-weight:600;color:var(--mut)}.sh-no b{color:var(--p3);font-family:"JetBrains Mono",monospace}
.fld{margin-bottom:14px;min-width:0}
.fld label{display:block;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#9a95b3;margin-bottom:6px}
.val{min-height:40px;padding:9px 12px;border-radius:10px;background:var(--lav2);border:1px solid var(--line);font-weight:600;font-size:15px;color:var(--ink);overflow-wrap:anywhere}
.typing-p{min-height:62px;font-family:"JetBrains Mono",monospace;font-weight:500;font-size:13.5px;line-height:1.5}
.typing-p:after{content:"";display:inline-block;width:7px;height:15px;background:var(--p);margin-left:2px;vertical-align:-2px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.fld-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.fld-row .val{font-size:13px;transition:background .3s}
.val.set{background:#f1eaff;animation:setPop .4s var(--ease)}
@keyframes setPop{40%{transform:scale(1.04)}}
.outs{display:flex;gap:8px;flex-wrap:wrap}
.outs span{padding:8px 14px;border-radius:30px;border:1.5px dashed #d6c9f3;font-weight:700;font-size:13px;color:#9a95b3;transition:.3s}
.outs span.on{border-style:solid;color:#fff;background:var(--p);border-color:var(--p);box-shadow:0 8px 18px rgba(127,66,244,.3)}
.outs span.on[data-o="neither"]{background:#6e6a86;border-color:#6e6a86;box-shadow:none}
.stamp{position:absolute;right:22px;bottom:46px;padding:6px 14px;border:3px solid #2a8a5c;color:#2a8a5c;border-radius:10px;font-weight:800;text-transform:uppercase;letter-spacing:.1em;font-size:14px;transform:rotate(-12deg) scale(2);opacity:0;transition:transform .35s cubic-bezier(.3,1.6,.5,1),opacity .2s}
.sheet.done .stamp{opacity:.9;transform:rotate(-12deg) scale(1)}
.sh-note{margin-top:6px;font-size:12px;color:#9a95b3}
.gpt-eagle{position:absolute;left:-40px;bottom:-85px;width:42%;z-index:2;filter:drop-shadow(0 22px 28px rgba(74,39,125,.22));animation:bob 6s ease-in-out infinite}
/* diagnosis flips */
.dg-head{max-width:800px}.dg-head .lead{margin-top:16px}
.flips{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;margin-top:44px}
.flip{perspective:1000px;height:215px;outline:none}
.fl-in{position:relative;height:100%;transform-style:preserve-3d;transition:transform .8s cubic-bezier(.4,1.3,.5,1)}
.flip:hover .fl-in,.flip:focus .fl-in,.flip.auto .fl-in{transform:rotateY(180deg)}
.fl-f,.fl-b{position:absolute;inset:0;border-radius:20px;padding:22px;backface-visibility:hidden;-webkit-backface-visibility:hidden;display:flex;flex-direction:column}
.fl-f{background:#fff;border:1px solid var(--line)}
.fl-b{background:linear-gradient(150deg,var(--p3),var(--p2));color:#fff;transform:rotateY(180deg)}
.fl-n{font-family:"JetBrains Mono",monospace;font-size:13px;color:var(--p);margin-bottom:12px}
.fl-b .fl-n{color:#e6dcff;text-transform:uppercase;letter-spacing:.08em;font-size:11px}
.fl-f h3{font-size:17px;line-height:1.3}
.fl-b p{color:#fff;font-size:15px}
.fl-tag{margin-top:auto;align-self:flex-start;font-size:12px;font-weight:700;color:var(--p3);background:var(--lav);padding:5px 11px;border-radius:20px}
.hint{margin-top:18px;font-size:14px;color:var(--mut)}
/* access vs training */
.access-gpt{background:#fff}
.ag-in{display:grid;grid-template-columns:1fr 1.05fr;gap:60px;align-items:center}
.access-gpt p{margin-top:16px;font-size:17px}
.ext{color:var(--p3);font-weight:600;text-decoration:underline;text-underline-offset:3px}
.switches{display:grid;gap:14px;margin-top:26px}
.sw-card{display:flex;gap:18px;align-items:flex-start;padding:20px 22px;border:1px solid var(--line);border-radius:18px;background:var(--lav2)}
.sw-card b{display:block;font-size:17px}.sw-card small{display:block;color:var(--p3);margin-top:3px}.sw-card p{margin-top:6px!important;font-size:14px!important}
.sw{flex:none;position:relative;width:54px;height:30px;border-radius:30px;background:#d8d2e8;transition:background .35s;margin-top:2px}
.sw i{position:absolute;left:4px;top:4px;width:22px;height:22px;border-radius:50%;background:#fff;box-shadow:0 2px 6px rgba(0,0,0,.2);transition:transform .35s var(--ease)}
.sw-card.vis .sw.on{background:#2fb277}.sw-card.vis .sw.on i{transform:translateX(24px);transition-delay:.5s}
.sw-card.vis .sw.toggling{animation:swBg 4s ease-in-out infinite 1s}.sw-card.vis .sw.toggling i{animation:swKnob 4s ease-in-out infinite 1s}
@keyframes swBg{0%,40%{background:#d8d2e8}50%,90%{background:var(--p)}}
@keyframes swKnob{0%,40%{transform:none}50%,90%{transform:translateX(24px)}}
.editor{min-width:0;background:#15132b;border-radius:20px;overflow:hidden;box-shadow:0 30px 70px rgba(21,19,43,.28)}
.ed-top{display:flex;align-items:center;gap:7px;padding:14px 18px;background:#1f1c3a;color:#cfc8ea;font-size:13px;font-weight:600}
.ed-top i{width:11px;height:11px;border-radius:50%;background:#ff6b81}.ed-top i:nth-child(2){background:#ffc65c}.ed-top i:nth-child(3){background:#46d39a}
.ed-top span{margin-left:8px;font-family:"JetBrains Mono",monospace}.ed-top em{margin-left:auto;font-style:normal;font-size:11px;color:#a9a3c9;border:1px solid rgba(255,255,255,.18);padding:3px 9px;border-radius:20px}
.code{margin:0;padding:22px 24px;font-family:"JetBrains Mono",monospace;font-size:14px;line-height:1.85;color:#e9e2ff;white-space:pre-wrap;overflow-wrap:anywhere}
.code .cm{color:#8f89b3}.code .k{color:#c59bff}.code .v{color:#7ef0b3}
.code code{display:block;clip-path:inset(0 0 100% 0);transition:clip-path 2.2s steps(9) .3s}
.editor.vis .code code{clip-path:inset(0 0 0 0)}
.ed-warn{display:flex;gap:12px;align-items:flex-start;margin:0 18px 18px;padding:14px 16px;border-radius:12px;background:rgba(255,198,92,.1);border:1px solid rgba(255,198,92,.35);color:#ffe3ad;font-size:14px}
.ed-warn b{flex:none;display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:#ffc65c;color:#15132b;font-size:13px}
/* repeat strip */
.rp-head{max-width:820px}.rp-head .lead{margin-top:16px}
.ctx{display:flex;flex-wrap:wrap;gap:10px;margin:30px 0 26px}
.ctx span{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:12px;background:#fff;border:1px solid var(--line);font-weight:700;font-size:14px;transition:opacity .9s var(--ease) var(--d,0s),transform .9s var(--ease) var(--d,0s)}
.ctx span:before{content:"✓";display:grid;place-items:center;width:20px;height:20px;border-radius:6px;background:var(--p);color:#fff;font-size:11px}
.strip{display:grid;grid-template-columns:minmax(0,2fr) repeat(6,minmax(0,1fr));gap:10px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:var(--sh)}
.st-h{font-size:12px;font-weight:700;color:var(--mut);text-align:center}
.st-q{font-weight:600;font-size:15px}
.ob{display:grid;place-items:center;height:44px;border-radius:12px;font-style:normal;font-weight:800;font-size:15px;font-family:"JetBrains Mono",monospace;opacity:0;transform:scale(.6);transition:opacity .35s,transform .45s cubic-bezier(.3,1.6,.5,1)}
.ob.ob-c{background:var(--p);color:#fff}.ob.ob-m{background:#ece2ff;color:var(--p3)}.ob.ob-n{background:#f3f1f7;color:#a19cb8;border:1px dashed #d6d1e3}
.strip.vis .ob{opacity:1;transform:none}
.st-leg{display:flex;flex-wrap:wrap;gap:20px;align-items:center;margin-top:16px;font-size:14px;color:var(--mut)}
.st-leg span{display:flex;align-items:center;gap:8px}
.st-leg .ob{width:28px;height:28px;font-size:12px;border-radius:8px;opacity:1;transform:none}
.st-leg em{margin-left:auto;font-style:normal;color:var(--p3)}
.caveat{margin-top:24px;padding:18px 22px;border-left:4px solid var(--p);background:#fff;border-radius:0 14px 14px 0;font-size:16px;color:var(--ink)}
/* mention / citation / referral */
.mcr-in{display:grid;grid-template-columns:.95fr 1.05fr;gap:60px;align-items:center}
.mcr-list{list-style:none;counter-reset:m;display:grid;gap:14px;margin-top:26px}
.mcr-list li{counter-increment:m;position:relative;padding:18px 20px 18px 64px;border:1px solid var(--line);border-radius:16px;background:#fff;transition:opacity .9s var(--ease) var(--d,0s),transform .9s var(--ease) var(--d,0s)}
.mcr-list li:before{content:counter(m);position:absolute;left:18px;top:18px;display:grid;place-items:center;width:32px;height:32px;border-radius:10px;background:var(--lav);color:var(--p);font-weight:800}
.mcr-list b{font-size:17px}.mcr-list p{font-size:15px;margin-top:4px}
.anno-stage{position:relative;min-width:0;height:460px}
.answer{position:absolute;left:8%;top:14%;width:78%;background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--sh);z-index:1}
.an-top{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:700;color:var(--mut);margin-bottom:12px}
.an-dot{width:9px;height:9px;border-radius:50%;background:var(--p)}
.answer p{font-size:16px;color:var(--ink);line-height:1.6}
.hl-m{background:linear-gradient(transparent 55%,rgba(255,198,92,.55) 55%);font-weight:700;background-size:0 100%;background-repeat:no-repeat;transition:background-size .8s var(--ease) .6s}
.anno-stage.vis .hl-m{background-size:100% 100%}
.an-src{margin-top:14px}
.src-chip{display:inline-block;font-size:13px;font-weight:700;color:var(--p3);background:var(--lav);border:1px solid #dccbfd;padding:6px 12px;border-radius:20px;transform:scale(.8);opacity:0;transition:.45s cubic-bezier(.3,1.6,.5,1) 1.1s}
.anno-stage.vis .src-chip{transform:none;opacity:1}
.visit{position:absolute;left:40%;bottom:0;width:44%;background:var(--ink);color:#fff;border-radius:16px;overflow:hidden;box-shadow:0 20px 40px rgba(21,19,43,.25);opacity:0;transform:translateY(20px);transition:.7s var(--ease) 1.7s;z-index:1}
.anno-stage.vis .visit{opacity:1;transform:none}
.vs-top{display:flex;gap:5px;padding:10px 12px;background:#26234a}.vs-top i{width:8px;height:8px;border-radius:50%;background:#5a557f}
.vs-body{padding:14px 16px}.vs-body .mono{color:#bfa6ff}.vs-body b{display:block;font-size:18px;margin-top:4px}.vs-body small{color:#a9a3c9;font-size:12px}
.call{position:absolute;z-index:2;font-weight:800;font-size:13px;padding:6px 12px;border-radius:20px;background:#fff;border:2px solid;opacity:0;transform:scale(.7);transition:.4s cubic-bezier(.3,1.6,.5,1)}
.c1{left:0;top:0;color:#b7791f;border-color:#f0c989;transition-delay:.9s}
.c2{right:0;top:36%;color:var(--p3);border-color:#cdb6fb;transition-delay:1.4s}
.c3{left:48%;bottom:32%;color:var(--ink);border-color:#bdb8d0;transition-delay:2s}
.anno-stage.vis .call{opacity:1;transform:none}
.anno-lines{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:0}
.anno-lines path{fill:none;stroke:#cdb6fb;stroke-width:2;stroke-dasharray:4 5;vector-effect:non-scaling-stroke}
/* improve */
.imp-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:36px}
.imp{position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px 24px;transition:opacity .9s var(--ease) var(--d,0s),transform .9s var(--ease) var(--d,0s),box-shadow .3s,border-color .3s}
.imp:after{content:"";position:absolute;left:0;bottom:0;height:4px;width:0;background:linear-gradient(90deg,var(--p),var(--p2));transition:width .5s var(--ease)}
.imp.vis:hover{transform:translateY(-6px);box-shadow:var(--sh);border-color:#cdb6fb;transition-delay:0s}
.imp:hover:after{width:100%}
.imp-n{font-family:"JetBrains Mono",monospace;color:var(--p);font-size:13px}
.imp h3{font-size:19px;margin:12px 0 8px}.imp p{font-size:15px}
.tradeoff{display:grid;grid-template-columns:1fr 60px 1fr;align-items:stretch;margin-top:26px}
.to-bad,.to-good{padding:22px 24px;border-radius:18px}
.to-bad{background:#fff;border:1px dashed #e7b3c0}.to-bad .mono{color:#b3264a}
.to-bad p{color:#8b7f92;text-decoration:line-through;text-decoration-color:#e0445f;text-decoration-thickness:2px;font-size:17px;font-weight:600;margin-top:6px}
.to-good{background:var(--ink);color:#fff}.to-good .mono{color:#bfa6ff}.to-good p{color:#fff;font-size:17px;font-weight:600;margin-top:6px}
.to-arrow{display:grid;place-items:center;font-size:28px;font-weight:800;color:var(--p)}
/* faq */
.fq2{display:grid;grid-template-columns:.8fr 1.3fr;gap:64px;align-items:start}
.fq2-side{position:sticky;top:120px}
/* responsive */
@media(max-width:1100px){.flips{grid-template-columns:repeat(3,minmax(0,1fr))}.imp-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:900px){
 .gpt-hero-in,.ag-in,.mcr-in,.fq2{grid-template-columns:1fr}
 .proto-stage{padding:30px 0 150px 0}.gpt-eagle{left:auto;right:-10px;bottom:-30px;width:40%}
 .fq2-side{position:static}
}
@media(max-width:600px){
 .sheet{padding:34px 16px 20px}.fld-row{grid-template-columns:1fr 1fr}.fld-row .fld:last-child{grid-column:span 2}
 .stamp{right:12px;bottom:40px;font-size:12px}
 .proto-stage{padding-bottom:120px}.gpt-eagle{width:48%}
 .flips{grid-template-columns:1fr}.flip{height:180px}
 .strip{grid-template-columns:minmax(0,1.6fr) repeat(6,minmax(0,1fr));gap:4px;padding:14px 10px}
 .st-q{font-size:11px}.st-h{font-size:0}.st-h:not(:first-child):before{content:attr(data-s);font-size:10px}
 .ob{height:30px;font-size:12px;border-radius:7px}
 .anno-stage{height:420px}.answer{left:0;width:100%;top:13%}.visit{left:auto;right:0;width:62%}.c2{top:52%}.c3{left:6%;bottom:6%}
 .imp-grid{grid-template-columns:1fr}
 .tradeoff{grid-template-columns:1fr}.to-arrow{transform:rotate(90deg);height:44px}
 .code{font-size:12px;padding:18px 16px}
}
@media(prefers-reduced-motion:reduce){.gpt-h1 mark{background-size:100% 100%;animation:none}.code code{clip-path:none}.ob{opacity:1;transform:none}}