/* =====================================================
   The AI Design Team: product case study (/ai-tools/ai-design-team)
   Builds on styles.css (tokens, nav, buttons, finale, footer) and the case study editorial tokens (.cs4).
   The product keeps its own character from the approved concept: a dark system map, lime, lilac, peach and a
   blue signal color. Everything here is scoped to .adt.
   ===================================================== */
.adt{
  --blue:#4B4FEA; --blue-deep:#3138B0; --lilac:#BCB4FC; --lime:#D6EF64; --peach:#FD896E; --mist:#D3E7F1;
  --night:#17191E; --night-2:#1A1B1C; --panel:#252628; --dim:#B4B4AF;
  --body:17px;
  color:var(--ink);
}
.adt .wrap{max-width:var(--cs-max)}
.adt :where(p){margin:0}
.adt .ic{width:1em;height:1em;flex:none;display:inline-block;vertical-align:-.125em}
.adt .nw{white-space:nowrap}
.adt-skip{position:fixed;left:16px;top:-60px;z-index:100;padding:10px 16px;background:var(--ink);color:var(--paper);border-radius:8px;font-weight:700;text-decoration:none;transition:top .2s}
.adt-skip:focus{top:12px}
.adt-label{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;font-weight:600;color:var(--blue)}
.adt-h2{margin:0;font-family:var(--font-display);font-weight:800;font-size:clamp(36px,4.6vw,64px);line-height:.98;letter-spacing:-.035em;font-variation-settings:"wdth" 96,"opsz" 96;text-wrap:balance}
.adt-sub{font-size:var(--body);line-height:1.6;color:var(--ink-2);max-width:60ch}
.adt-sec{padding-block:var(--cs-sec);border-top:1px solid var(--line)}
.adt-head{display:grid;gap:var(--cs-tight);margin-bottom:var(--cs-intro);max-width:var(--cs-w10)}
.adt-head .adt-h2{max-width:15em}

/* ---------- hero ---------- */
.adt-hero .wrap{padding-block:clamp(28px,3.5vw,44px) 0}
.adt-back{display:inline-flex;align-items:center;gap:10px;min-height:44px;font-family:var(--font-display);font-weight:700;font-size:15px;letter-spacing:.04em;text-transform:uppercase;text-decoration:none;color:var(--ink)}
.adt-back .ic{width:18px;height:18px;transition:transform .3s var(--ease-out)}
.adt-back:hover .ic{transform:translateX(-4px)}
.adt-hero-grid{display:grid;gap:clamp(40px,6vw,88px);align-items:center;padding-block:clamp(24px,3.5vw,48px) clamp(56px,7vw,96px)}
@media(min-width:900px){.adt-hero-grid{grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr)}}
.adt-eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;font-weight:600}
.adt-eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--blue);flex:none}
.adt-h1{margin:24px 0 28px;font-family:var(--font-display);font-weight:800;font-size:clamp(58px,7.6vw,118px);line-height:.9;letter-spacing:-.05em;font-variation-settings:"wdth" 90,"opsz" 96}
.adt-h1 .ln{display:block}
.adt-h1 i{font-family:"Newsreader",Georgia,"Times New Roman",serif;font-style:italic;font-weight:400;letter-spacing:-.04em;font-variation-settings:normal}
.adt-h1 .dot{color:var(--blue);font-weight:800}
.adt-lede{font-size:clamp(18px,1.6vw,21px);line-height:1.55;color:var(--ink-2);max-width:34rem}
.adt-actions{display:flex;flex-wrap:wrap;gap:12px 14px;align-items:center;margin-top:30px}
.adt-actions .btn .ic{width:18px;height:18px}
.btn.adt-off{background:transparent;color:var(--ink-3);border-color:rgba(17,17,17,.35);border-style:dashed;box-shadow:none;cursor:not-allowed}
.btn.adt-off:hover{transform:none;box-shadow:none}
.btn.adt-off .tag{margin-left:2px;padding:3px 8px;border-radius:999px;background:var(--paper-2);font-family:var(--font-mono);font-size:10.5px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2)}
.adt-note{margin-top:18px;font-size:13px;color:var(--ink-3);max-width:34rem;line-height:1.5}

/* system map */
.adt-scene-wrap{position:relative;padding:0 16px 18px 0}
.adt-scene{position:relative;aspect-ratio:1/1;background:var(--night);border:1px solid #1A1B20;border-radius:22px;box-shadow:15px 18px 0 var(--lilac);overflow:hidden;isolation:isolate;color:#fff}
.adt-scene::before{content:"";position:absolute;inset:0;background-image:radial-gradient(#5C6081 1px,transparent 1px);background-size:25px 25px;opacity:.38}
.sc-rings{position:absolute;inset:0;pointer-events:none}
.sc-rings i{position:absolute;left:50%;top:50%;border-radius:50%;transform:translate(-50%,-50%)}
.sc-rings i:nth-child(1){width:50%;aspect-ratio:1;border:1px solid #505773}
.sc-rings i:nth-child(2){width:79%;aspect-ratio:1;background:rgba(139,143,198,.06)}
.sc-rings i:nth-child(3){width:108%;aspect-ratio:1;background:rgba(139,143,198,.04)}
.sc-label{position:absolute;top:23px;left:24px;z-index:4;font-family:var(--font-mono);font-size:10.5px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:#959BAD}
.sc-wires{position:absolute;inset:0;width:100%;height:100%;z-index:2;overflow:visible}
.sc-wires path{fill:none;vector-effect:non-scaling-stroke}
.sc-wires .w-base{stroke:#6B77D0;stroke-width:2;opacity:.55}
.sc-wires .w-flow{stroke:#C9CEFF;stroke-width:2;stroke-dasharray:6 14;opacity:.9;animation:adt-flow 1.6s linear infinite}
@keyframes adt-flow{to{stroke-dashoffset:-40}}
.sc-nodes{position:absolute;inset:14% 6% 12%;z-index:3}
.sc-node{position:absolute;width:44%;height:31%;max-height:96px;border-radius:12px;padding:0 14px;display:flex;align-items:center;gap:11px;color:var(--ink);border:1px solid rgba(255,255,255,.1);box-shadow:0 18px 26px rgba(0,0,0,.14);transition:box-shadow .45s var(--ease-out);animation:adt-float 6s ease-in-out infinite}
.sc-node.n1{top:0;left:0;background:var(--lime)}
.sc-node.n2{top:0;right:0;background:var(--lilac);animation-delay:-1.5s}
.sc-node.n3{bottom:0;left:0;background:var(--peach);animation-delay:-3s}
.sc-node.n4{bottom:0;right:0;background:#F3F0E8;animation-delay:-4.5s}
.sc-node.is-on{box-shadow:0 0 0 3px var(--night),0 0 0 5px #C9CEFF,0 18px 30px rgba(0,0,0,.25)}
.sc-ic{width:38px;height:38px;border:1px solid rgba(0,0,0,.16);border-radius:9px;display:grid;place-items:center;flex:none;background:rgba(255,255,255,.18)}
.sc-ic .ic{width:21px;height:21px}
.sc-txt{min-width:0}
.sc-txt b{display:block;font-family:var(--font-display);font-weight:700;font-size:clamp(13px,1.15vw,15px);letter-spacing:-.01em;line-height:1.15}
.sc-txt small{display:block;margin-top:4px;font-size:11px;opacity:.72}
.sc-hub{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:23%;aspect-ratio:1;max-width:104px;background:var(--blue-deep);border:1px solid #5A67E9;box-shadow:0 0 50px rgba(75,79,234,.4);border-radius:27%;display:flex;flex-direction:column;gap:4px;align-items:center;justify-content:center;z-index:5}
.sc-hub strong{font-family:var(--font-display);font-size:clamp(28px,3.2vw,42px);line-height:1;font-weight:800}
.sc-hub span{font-family:var(--font-mono);font-size:9.5px;letter-spacing:.12em;text-transform:uppercase}
.sc-hub::after{content:"";position:absolute;inset:-1px;border-radius:inherit;border:2px solid #8E95FF;opacity:0}
.sc-hub.ping::after{animation:adt-ping 1s var(--ease-out)}
@keyframes adt-ping{0%{opacity:.9;transform:scale(1)}100%{opacity:0;transform:scale(1.45)}}
.sc-foot{position:absolute;bottom:18px;left:24px;z-index:6;display:inline-flex;align-items:center;gap:7px;font-size:11.5px;color:#B0B1C3;letter-spacing:.04em;transition:color .3s}
.sc-foot .ic{width:13px;height:13px}
.sc-led{width:7px;height:7px;border-radius:50%;background:#5E6173;transition:background .3s,box-shadow .3s}
.sc-foot.is-on{color:#fff}
.sc-foot.is-on .sc-led{background:var(--lime);box-shadow:0 0 10px var(--lime)}
@keyframes adt-float{0%,100%{translate:0 0}50%{translate:0 -6px}}

/* stats */
.adt-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:0;padding:26px 0;border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong)}
.adt-stats div{display:flex;align-items:baseline;gap:12px;min-width:0}
.adt-stats dt{margin:0}
.adt-stats .num{font-family:var(--font-display);font-weight:800;font-size:clamp(30px,3vw,40px);letter-spacing:-.05em;font-variant-numeric:tabular-nums}
.adt-stats dd{margin:0;font-size:14px;line-height:1.35;color:var(--ink-3)}

/* ---------- 01 why ---------- */
#why{border-top:0}
.adt-intro{display:grid;gap:clamp(36px,6vw,72px)}
@media(min-width:900px){.adt-intro{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);align-items:end}}
.adt-intro-copy{display:grid;gap:18px;max-width:40rem}
.adt-intro-copy .adt-h2{margin:2px 0 8px}
.adt-intro-copy>p:not(.adt-label){font-size:var(--body);line-height:1.7;color:var(--ink-2)}
.adt-quote{margin:0;background:var(--lime);border:2.5px solid var(--ink);padding:clamp(26px,3vw,36px);border-radius:14px;transform:rotate(1deg);box-shadow:8px 8px 0 var(--ink);transition:transform .5s var(--ease-spring)}
.adt-quote:hover{transform:rotate(-.4deg) translateY(-3px)}
.adt-quote blockquote{margin:0}
.adt-quote p{font-family:"Newsreader",Georgia,serif;font-size:clamp(23px,2.5vw,33px);line-height:1.22;letter-spacing:-.01em}
.adt-question{margin-top:var(--cs-sec-end);padding-top:var(--cs-group);border-top:1px solid var(--line-strong);display:grid;gap:14px;font-family:var(--font-display);font-weight:700;font-size:clamp(22px,2.4vw,32px);line-height:1.2;letter-spacing:-.02em;max-width:var(--cs-w10);text-wrap:balance}
.adt-question .k{font-family:var(--font-mono);font-weight:600;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}

/* ---------- 02 agents ---------- */
.adt-band{background:var(--paper-2);border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong)}
.adt-agents{list-style:none;margin:0;padding:0;display:grid;gap:14px;grid-template-columns:repeat(4,minmax(0,1fr))}
.agent{--tone:var(--lime);position:relative;display:flex;flex-direction:column;padding:24px;background:#fff;border:1px solid rgba(17,17,17,.18);border-radius:14px;transition:transform .35s var(--ease-out),box-shadow .35s var(--ease-out),border-color .35s}
.agent[data-tone="lilac"]{--tone:var(--lilac)}.agent[data-tone="peach"]{--tone:var(--peach)}.agent[data-tone="mist"]{--tone:var(--mist)}
.agent:hover{transform:translateY(-6px);box-shadow:6px 8px 0 var(--ink);border-color:var(--ink)}
.agent-id{font-family:var(--font-mono);font-size:11.5px;font-weight:600;letter-spacing:.08em;color:var(--ink-3)}
.agent-ic{width:56px;height:56px;border:2px solid var(--ink);border-radius:13px;display:grid;place-items:center;margin:28px 0 22px;background:var(--tone);transition:transform .5s var(--ease-spring)}
.agent-ic .ic{width:26px;height:26px}
.agent:hover .agent-ic{transform:rotate(-8deg) scale(1.06)}
.agent h3{margin:0 0 9px;font-family:var(--font-display);font-weight:800;font-size:20px;letter-spacing:-.02em;line-height:1.1}
.agent>p{font-size:14px;line-height:1.55;color:var(--ink-2);margin-bottom:20px}
.agent-io{margin:auto 0 0;padding-top:16px;border-top:1px dashed rgba(17,17,17,.25);display:grid;gap:10px}
.agent-io div{display:grid;grid-template-columns:52px minmax(0,1fr);gap:8px;align-items:baseline}
.agent-io dt{font-family:var(--font-mono);font-size:10.5px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}
.agent-io dd{margin:0;font-size:13px;line-height:1.45}
.adt-flow{position:relative;margin-top:28px}
.adt-flow .flow-line{position:absolute;left:0;right:0;top:50%;width:100%;height:2px;overflow:visible}
.adt-flow .flow-line line{stroke:var(--ink);stroke-width:1.5;opacity:.35;vector-effect:non-scaling-stroke}
.adt-flow ol{position:relative;list-style:none;margin:0;padding:0;display:flex;justify-content:space-between;gap:8px}
.adt-flow li span{display:inline-block;padding:6px 10px;background:var(--paper-2);font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2)}
.adt-flow li:first-child span{padding-left:0}.adt-flow li:last-child span{padding-right:0}
.adt-flow li.human span{color:var(--blue)}

/* ---------- 03 demo ---------- */
.adt-demo{background:var(--night-2);color:#F8F7F2;border-top:0}
.adt-demo .adt-label{color:var(--lime)}
.adt-demo .adt-h2{color:#fff}
.demo-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:var(--cs-intro)}
.demo-head>div{display:grid;gap:var(--cs-tight);max-width:46rem}
.demo-head p:not(.adt-label){color:var(--dim);font-size:var(--body);line-height:1.6}
.demo-mark{display:inline-flex;align-items:center;gap:8px;flex:none;border:1px solid #676761;color:#D4D4D0;border-radius:999px;padding:9px 14px;font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;white-space:nowrap}
.demo-mark .ic{width:14px;height:14px;color:var(--lime)}
.demo-shell{display:grid;grid-template-columns:290px minmax(0,1fr);border:1px solid #4A4B4B;border-radius:14px;overflow:hidden;background:var(--panel);min-height:520px}
.demo-ticket{border-right:1px solid #4A4B4B;padding:26px 16px 22px;display:flex;flex-direction:column}
.t-id{margin:0 12px 14px;font-family:var(--font-mono);font-size:10.5px;font-weight:600;letter-spacing:.13em;text-transform:uppercase;color:#D2D2C9}
.t-title{margin:0 12px 12px;font-family:var(--font-display);font-weight:700;font-size:18px;letter-spacing:-.02em}
.t-desc{margin:0 12px 14px;color:#B6B7B2;font-size:13px;line-height:1.6}
.t-parent{margin:0 12px 22px;display:flex;gap:8px;align-items:flex-start;color:#9C9D98;font-size:12px;line-height:1.45}
.t-parent .ic{width:14px;height:14px;margin-top:2px;color:var(--lilac)}
.steps{position:relative;display:flex;flex-direction:column;gap:6px}
.step{position:relative;z-index:1;width:100%;text-align:left;background:none;border:1px solid transparent;color:#BFC0BB;display:flex;align-items:center;gap:13px;padding:11px 12px;border-radius:9px;cursor:pointer;font:inherit;font-size:14px;transition:background .25s,color .25s,border-color .25s}
.step .idx{width:26px;height:26px;border:1px solid #646566;border-radius:50%;display:grid;place-items:center;font-family:var(--font-mono);font-size:11px;font-weight:600;flex:none;background:var(--panel);transition:background .3s,color .3s,border-color .3s}
.step .idx .ic{width:14px;height:14px}
.step.done .idx{border-color:var(--lime);color:var(--lime)}
.step[aria-selected="true"]{background:#343637;color:#fff;border-color:#646566}
.step[aria-selected="true"] .idx{background:var(--lime);color:#181818;border-color:var(--lime)}
.step:hover:not([aria-selected="true"]){background:#2B2C2E;color:#fff}
.step:focus-visible{outline:3px solid var(--lime);outline-offset:2px}
.steps-rail{position:absolute;left:24px;top:24px;bottom:24px;width:2px;background:#3E4042;z-index:0}
.steps-rail i{position:absolute;inset:0 0 auto;height:0;background:var(--lime);transition:height .6s var(--ease-out),width .6s var(--ease-out)}
.demo-main{padding:30px 34px;display:flex;flex-direction:column;gap:16px;min-width:0}
.demo-main:focus-visible{outline:3px solid var(--lime);outline-offset:-3px}
.demo-top{display:flex;align-items:center;justify-content:space-between;gap:16px}
.demo-top .status{display:inline-flex;align-items:center;gap:8px;color:#A0DFAD;font-family:var(--font-mono);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.1em}
.demo-top .status::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor;box-shadow:0 0 8px currentColor}
.demo-main[data-stage="4"] .status{color:var(--lime)}
.demo-top .counter{color:#A6A7A5;font-family:var(--font-mono);font-size:11.5px;font-variant-numeric:tabular-nums}
.demo-copy h3{margin:6px 0 8px;font-family:var(--font-display);font-weight:800;font-size:clamp(24px,2.8vw,34px);letter-spacing:-.035em;line-height:1.1;color:#fff}
.demo-copy p{color:#B9B9B3;font-size:15px;line-height:1.65;max-width:62ch}
.terminal{background:#151618;border:1px solid #484A4B;border-radius:10px;overflow:hidden;flex:1;display:flex;flex-direction:column}
.term-bar{background:#222327;border-bottom:1px solid #414345;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 15px;color:#D1D2D2;font-family:var(--font-mono);font-size:11px}
.dots{display:flex;gap:5px}.dots i{display:block;width:8px;height:8px;border-radius:50%;background:#5E6362}
.dots i:first-child{background:#E98F7C}.dots i:nth-child(2){background:#DFBE70}.dots i:nth-child(3){background:#8BCBA4}
.term-tag{color:#929999}
.terminal pre{flex:1;margin:0;padding:20px;min-height:236px;font-family:var(--font-mono);font-size:12.5px;line-height:1.8;color:#DCE0DD;white-space:pre-wrap;overflow-wrap:anywhere;tab-size:4}
.terminal pre .ln{display:block;min-height:1.8em}
.terminal pre .hl{color:var(--lime)}
.terminal pre .warn{color:#F4C77A}
.terminal pre .no{color:#FF9A84}
.term-foot{border-top:1px solid #414345;padding:11px 18px;font-size:11.5px;color:#929999;display:flex;justify-content:space-between;gap:16px}
.demo-nav{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:4px}
.dbtn{display:inline-flex;align-items:center;gap:8px;min-height:44px;white-space:nowrap;padding:0 16px;border:1px solid #6E7070;background:none;color:#FAFAFA;border-radius:8px;cursor:pointer;font:inherit;font-size:13px;font-weight:700;transition:background .2s,transform .2s,box-shadow .2s}
.dbtn .ic{width:15px;height:15px}
.dbtn:hover:not(:disabled){background:#333537}
.dbtn:focus-visible{outline:3px solid var(--lime);outline-offset:2px}
.dbtn:disabled{opacity:.33;cursor:not-allowed}
.dbtn.primary{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.dbtn.primary:hover{background:#E2F58A;transform:translate(-1px,-1px);box-shadow:3px 3px 0 #fff}
.demo-leg{font-size:12px;color:#A1A2A0;line-height:1.4;text-align:center}

/* ---------- 04 decisions ---------- */
.adt-two{display:grid;gap:clamp(32px,5vw,64px)}
@media(min-width:900px){.adt-two{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}
.adt-two-head{display:grid;gap:var(--cs-tight);align-content:start}
.adt-two-head p:not(.adt-label){font-size:var(--body);line-height:1.7;color:var(--ink-2)}
.adt-principles{list-style:none;margin:0;padding:0;border-top:1px solid var(--line-strong)}
.adt-principles li{padding:22px 0;border-bottom:1px solid var(--line)}
.adt-principles b{display:flex;gap:14px;align-items:baseline;font-family:var(--font-display);font-weight:700;font-size:20px;letter-spacing:-.02em}
.adt-principles .n{font-family:var(--font-mono);font-size:12px;font-weight:600;color:var(--blue);letter-spacing:.08em}
.adt-principles p{margin-top:8px;padding-left:34px;font-size:15px;line-height:1.6;color:var(--ink-2)}
.adt-labels{margin-top:var(--cs-sec-end);display:grid;gap:28px;padding:clamp(24px,3vw,36px);background:#fff;border:1px solid rgba(17,17,17,.18);border-radius:var(--cs-radius)}
@media(min-width:900px){.adt-labels{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);align-items:center}}
.labels-copy h3{margin:0 0 10px;font-family:var(--font-display);font-weight:800;font-size:clamp(24px,2.4vw,30px);letter-spacing:-.025em}
.labels-copy p{font-size:15px;line-height:1.6;color:var(--ink-2)}
.labels-sets{display:grid;gap:18px}
.labels-sets .k{display:block;margin-bottom:8px;font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}
.labels-sets ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.chip{font-family:var(--font-mono);font-size:12px;font-weight:600;padding:7px 11px;border:1.5px solid var(--ink);border-radius:999px;background:var(--paper)}
.chip[data-tone="lime"]{background:var(--lime)}.chip[data-tone="lilac"]{background:var(--lilac)}.chip[data-tone="peach"]{background:var(--peach)}
.chip.ink{background:var(--ink);color:var(--paper)}

/* ---------- 05 architecture ---------- */
.arch{position:relative;display:grid;gap:28px 48px;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr) minmax(0,1fr);align-items:start;padding:clamp(24px,3vw,40px);background:var(--night);border-radius:var(--cs-radius);color:#fff;overflow:hidden;isolation:isolate}
.arch::before{content:"";position:absolute;inset:0;background-image:radial-gradient(#5C6081 1px,transparent 1px);background-size:25px 25px;opacity:.25;z-index:-1}
.arch-col{position:relative;z-index:2;display:grid;gap:12px;align-content:start}
.arch-k{font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:#959BAD}
.arch-box{display:flex;gap:12px;align-items:flex-start;padding:14px;border:1px solid #3A3D4A;border-radius:12px;background:#20222A}
.arch-box .ic{width:20px;height:20px;flex:none;margin-top:2px;color:var(--lilac)}
.arch-box b{display:block;font-family:var(--font-display);font-weight:700;font-size:15px;letter-spacing:-.01em}
.arch-box small{display:block;margin-top:3px;font-size:12.5px;line-height:1.4;color:#AEB0BE}
.arch-box.out .ic{color:var(--lime)}
.arch-box.human{border-color:var(--lime)}.arch-box.human .ic{color:var(--lime)}
.arch-box.gate{border-style:dashed;border-color:#6A6E80;background:transparent}.arch-box.gate .ic{color:var(--peach)}
.arch-box.gate b{font-family:var(--font-mono);font-size:13.5px}
.arch-chain{display:grid;gap:12px}
.arch-agent{--tone:var(--lime);display:flex;align-items:center;gap:12px;padding:13px 14px;border-radius:11px;background:var(--tone);color:var(--ink);box-shadow:0 12px 20px rgba(0,0,0,.18)}
.arch-agent[data-tone="lilac"]{--tone:var(--lilac)}.arch-agent[data-tone="peach"]{--tone:var(--peach)}.arch-agent[data-tone="mist"]{--tone:#F3F0E8}
.arch-agent .ic{width:20px;height:20px}
.arch-agent b{font-family:var(--font-display);font-weight:700;font-size:15px}
.arch-tools{font-size:12px;line-height:1.45;color:#AEB0BE}
.arch-wires{position:absolute;inset:0;width:100%;height:100%;z-index:1;pointer-events:none;overflow:visible}
.arch-wires path{fill:none;stroke:#6B77D0;stroke-width:1.6;stroke-dasharray:5 7}
.arch-wires path.solid{stroke-dasharray:none;opacity:.5}
.arch-wires circle{fill:#C9CEFF}
.adt-table-wrap{margin-top:var(--cs-group);overflow-x:auto}
.adt-table{width:100%;border-collapse:collapse;font-size:15px;min-width:620px}
.adt-table caption{text-align:left;padding-bottom:14px;font-family:var(--font-mono);font-size:11.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}
.adt-table th,.adt-table td{text-align:left;padding:14px 16px 14px 0;border-bottom:1px solid var(--line);vertical-align:top}
.adt-table thead th{font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);border-bottom:1px solid var(--line-strong)}
.adt-table tbody th{font-family:var(--font-display);font-weight:700}
.adt-table td:last-child{font-family:var(--font-mono);font-size:13px}
.adt-table tr.opt td,.adt-table tr.opt th{color:var(--ink-2)}
.adt-table tr.opt td:last-child{color:#B23A22}

/* ---------- 06 safety ---------- */
.adt-gates{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;border-top:1px solid var(--line-strong)}
.adt-gates li{padding:24px 22px 8px 0;display:grid;gap:10px;align-content:start}
.adt-gates li+li{padding-left:22px;border-left:1px solid var(--line)}
.g-ic{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:var(--ink);color:var(--lime)}
.g-ic .ic{width:21px;height:21px}
.adt-gates b{font-family:var(--font-display);font-weight:700;font-size:18px;letter-spacing:-.015em;line-height:1.2}
.adt-gates p{font-size:14px;line-height:1.55;color:var(--ink-2)}

/* ---------- 07 outcomes ---------- */
.adt-outcomes{background:var(--lilac);border-top:2.5px solid var(--ink);border-bottom:2.5px solid var(--ink)}
.adt-outcomes .adt-label{color:#2F2C86}
.adt-outcomes .adt-sub{color:#29292D}
.adt-outlist{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.adt-outlist article{background:rgba(255,255,255,.7);border:2px solid var(--ink);border-radius:12px;padding:24px;display:grid;gap:12px;align-content:start;transition:transform .35s var(--ease-out),box-shadow .35s var(--ease-out)}
.adt-outlist article:hover{transform:translate(-2px,-3px);box-shadow:5px 6px 0 var(--ink)}
.o-k{display:flex;align-items:center;gap:9px;font-family:var(--font-display);font-weight:800;font-size:17px;letter-spacing:-.01em}
.o-k .ic{width:19px;height:19px}
.adt-outlist p{font-size:14.5px;line-height:1.55;color:#2A2A30}
.adt-learn{margin-top:var(--cs-sec-end);padding-top:var(--cs-group);border-top:1.5px solid var(--ink)}
.adt-learn h3{margin:0 0 20px;font-family:var(--font-display);font-weight:800;font-size:clamp(26px,2.8vw,36px);letter-spacing:-.03em}
.adt-learn ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 48px;counter-reset:l}
.adt-learn li{counter-increment:l;padding:16px 0 16px 40px;position:relative;border-bottom:1px solid rgba(17,17,17,.25);font-size:15.5px;line-height:1.55;color:#202024}
.adt-learn li::before{content:counter(l,decimal-leading-zero);position:absolute;left:0;top:18px;font-family:var(--font-mono);font-size:12px;font-weight:600;color:#2F2C86}
.adt-learn b{color:var(--ink)}

/* ---------- 08 faq ---------- */
.adt-faq{max-width:var(--cs-w8)}
.faq-list{border-top:1px solid var(--line-strong)}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px 0;font-family:var(--font-display);font-weight:700;font-size:clamp(18px,1.6vw,21px);letter-spacing:-.015em;min-height:44px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:focus-visible{outline:3px solid var(--blue);outline-offset:4px;border-radius:4px}
.pm{position:relative;width:18px;height:18px;flex:none}
.pm::before,.pm::after{content:"";position:absolute;left:0;right:0;top:50%;height:2.5px;margin-top:-1.25px;background:var(--ink);border-radius:2px;transition:transform .35s var(--ease-out)}
.pm::after{transform:rotate(90deg)}
details[open] .pm::after{transform:rotate(0deg)}
.faq-list details p{padding:0 0 22px;font-size:16px;line-height:1.65;color:var(--ink-2);max-width:62ch}
.faq-list code{font-family:var(--font-mono);font-size:.88em;padding:1px 6px;background:var(--paper-2);border-radius:5px}

/* ---------- get the toolkit ---------- */
.adt-end{background:#171718;color:#F8F7F2;border-top:2.5px solid var(--ink)}
.adt-end .wrap{padding-block:var(--cs-sec)}
.adt-end .adt-label{color:var(--lime)}
.adt-end .adt-h2{color:#F8F7F2;margin-top:var(--cs-tight)}
.end-grid{display:grid;gap:32px;align-items:end}
@media(min-width:900px){.end-grid{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr)}}
.end-copy>p:not(.adt-label){margin-top:20px;color:#B2B3B0;font-size:var(--body);line-height:1.65;max-width:56ch}
.end-actions{display:flex;flex-direction:column;align-items:flex-end;gap:14px}
.end-actions .btn .ic{width:18px;height:18px}
.btn.adt-off.dark{color:#A9AAA6;border-color:#5A5B5C}
.btn.adt-off.dark .tag{background:#2C2D2E;color:#D4D4D0}
.adt-end .btn.yellow{box-shadow:3px 3px 0 var(--pink)}
.adt-end .btn.yellow:hover{box-shadow:5px 5px 0 var(--pink)}
.end-link{display:inline-flex;align-items:center;gap:8px;min-height:44px;color:#F8F7F2;font-weight:600;font-size:14px;text-underline-offset:4px}
.end-link .ic{width:16px;height:16px}
.end-run{margin-top:var(--cs-intro);padding-top:var(--cs-group);border-top:1px solid #3A3B3C;display:grid;gap:14px}
.end-code{margin:0;padding:20px 22px;background:#0F1011;border:1px solid #3A3B3C;border-radius:12px;overflow-x:auto;font-family:var(--font-mono);font-size:13px;line-height:1.75;color:#E6E7E3}
.end-code .c{color:#8C8E8A}
.end-fine{font-size:12.5px;color:#9A9B97;line-height:1.5}

/* ---------- motion helpers ---------- */
.adt .fade-swap{transition:opacity .25s var(--ease-std),transform .35s var(--ease-out)}
.adt .fade-swap.out{opacity:0;transform:translateY(6px)}

/* ---------- responsive ---------- */
@media(max-width:1100px){
  .adt-agents{grid-template-columns:repeat(2,minmax(0,1fr))}
  .adt-gates{grid-template-columns:repeat(3,minmax(0,1fr))}
  .adt-gates li:nth-child(4){padding-left:0;border-left:0}
  .adt-gates li:nth-child(n+4){border-top:1px solid var(--line);margin-top:8px}
  .demo-shell{grid-template-columns:240px minmax(0,1fr)}
  .demo-nav{flex-wrap:wrap}
  .demo-leg{order:3;width:100%;text-align:left}
}
@media(max-width:899px){
  .adt-scene-wrap{max-width:540px;width:100%;margin-inline:auto}
  .arch{grid-template-columns:1fr;gap:36px}
  .arch-wires{display:none}
  .arch-col+.arch-col::before{content:"";position:absolute;left:24px;top:-30px;height:24px;border-left:1.6px dashed #6B77D0}
  .adt-outlist{grid-template-columns:1fr}
  .adt-learn ol{grid-template-columns:1fr}
  .end-actions{align-items:flex-start}
}
@media(max-width:759px){
  .adt-scene-wrap{padding:0 10px 12px 0;max-width:520px;width:100%;margin-inline:auto}
  .adt-stats{grid-template-columns:1fr 1fr}
  .adt-stats div:last-child{grid-column:span 2}
  .demo-head{flex-direction:column;align-items:flex-start}
  .demo-shell{grid-template-columns:1fr;min-height:0}
  .demo-ticket{border-right:0;border-bottom:1px solid #4A4B4B;padding:20px 14px 16px}
  .t-desc,.t-parent{display:none}
  .steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:4px;margin-top:4px}
  .steps-rail{left:24px;right:24px;top:22px;bottom:auto;width:auto;height:2px}
  .steps-rail i{inset:0 auto 0 0;height:100%!important}
  .step{flex-direction:column;gap:6px;padding:8px 2px;font-size:10.5px;text-align:center;line-height:1.2}
  .step .nm{display:block}
  .demo-main{padding:22px 16px}
  .terminal pre{font-size:11.5px;padding:16px;min-height:0;white-space:pre;overflow-x:auto;overflow-wrap:normal}
  .demo-nav{flex-wrap:wrap}
  .demo-leg{order:3;width:100%;text-align:left}
  .adt-faq{max-width:none}
  .adt-gates{grid-template-columns:1fr}
  .adt-gates li,.adt-gates li+li{padding:22px 0 18px;border-left:0;margin-top:0;border-top:1px solid var(--line)}
  .adt-gates li:first-child{border-top:0}
  .adt-flow ol{flex-wrap:wrap;justify-content:flex-start;row-gap:4px}
  .adt-flow .flow-line{display:none}
  .adt-flow li span{padding-left:0}
  .adt-flow li:not(:last-child) span::after{content:"";display:inline-block;width:16px;height:1.5px;margin-left:10px;vertical-align:middle;background:var(--ink-3)}
  .adt-principles p{padding-left:0}
}
@media(max-width:520px){
  .adt-agents{grid-template-columns:1fr}
  .sc-node{padding:0 10px;gap:8px;width:46%}
  .sc-ic{width:30px;height:30px}
  .sc-ic .ic{width:17px;height:17px}
  .sc-txt b{font-size:12px}
  .sc-txt small{font-size:9.5px}
  .sc-label{top:16px;left:16px;font-size:9.5px}
  .sc-foot{left:16px;bottom:12px;font-size:10.5px}
  .adt-scene{border-radius:14px}
  .adt-actions .btn{width:100%;justify-content:center}
  .end-actions{align-items:stretch}
  .end-actions .btn{justify-content:center}
}
@media(prefers-reduced-motion:reduce){
  .sc-node,.sc-wires .w-flow{animation:none}
  .adt *{transition-duration:.01ms!important}
}