.section-three-page{--simulation-shell:948px;--sim-display:29px;background:var(--bg);color:var(--ink)}
.section-three-page .nav-links a.is-active{color:var(--ink);font-weight:600}

.section-three-intro{
  position:relative;isolation:isolate;max-width:var(--simulation-shell);margin:0 auto;padding:88px 24px 36px;
  border-bottom:1px dotted rgba(11,11,13,.3);
}
.section-three-intro::before{
  content:"";position:absolute;top:0;bottom:0;left:50%;z-index:-2;width:100vw;transform:translateX(-50%);
  background-image:var(--hero-dots);background-size:var(--hero-dot-size);
}
.section-three-intro::after{
  content:"";position:absolute;top:55%;bottom:0;left:50%;z-index:-1;width:100vw;transform:translateX(-50%);
  background:linear-gradient(transparent,var(--bg) 18%);
}
.section-three-intro h1{
  max-width:640px;margin-top:10px;font-family:var(--disp);font-size:clamp(36px,4vw,54px);
  font-weight:500;line-height:.98;letter-spacing:-.04em;text-wrap:balance;
}
.section-three-intro p{
  max-width:520px;margin-top:16px;color:var(--muted);font-size:15px;line-height:1.5;text-wrap:pretty;
}

.hiw{max-width:var(--simulation-shell);margin:0 auto;padding:32px 24px 64px}
.hiw-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-bottom:1px solid var(--line-strong)}
.hiw-tab{
  position:relative;min-height:56px;padding:10px 12px 13px;border:0;background:transparent;color:var(--muted);
  display:grid;grid-template-columns:18px minmax(0,1fr);gap:6px;align-items:center;text-align:left;cursor:pointer;
  transition:color .18s ease,transform .2s var(--ease),background .18s ease;
}
.hiw-tab:hover{color:var(--ink);background:rgba(255,255,255,.32);transform:translateY(-1px)}
.hiw-tab:active{transform:translateY(1px)}
.hiw-tab.is-active{color:var(--ink)}
.hiw-tab-number{font-size:9px;color:inherit}
.hiw-tab-copy{position:relative;display:inline-grid;width:max-content;max-width:100%;justify-self:start}
.hiw-tab-label{font-size:12px;font-weight:600;line-height:1.2;white-space:nowrap}
.hiw-tab-progress{position:absolute;right:0;bottom:-20px;left:0;height:2px;background:transparent;overflow:hidden}
.hiw-tab-progress::after{content:"";display:block;width:0;height:100%;background:var(--blue)}
.hiw-tab.is-running .hiw-tab-progress::after{animation:tab-progress var(--tab-duration) linear forwards}

.hiw-stage{position:relative;margin-top:18px;min-height:380px}
.hiw-panel{min-height:380px}
.hiw-panel[hidden]{display:none}
.composer-sheet,.agent-sheet{
  overflow:hidden;border:1px solid var(--line-strong);border-radius:10px;background:rgba(255,255,255,.86);
  box-shadow:0 9px 22px rgba(44,48,55,.08);min-height:388px;
}
.sheet-bar,.agent-head{
  min-height:44px;padding:0 11px;border-bottom:1px solid var(--line);background:#ececee;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.sheet-bar{font-size:9px;color:var(--muted)}
.sheet-state{letter-spacing:.05em;text-transform:lowercase}
.composer-body{position:relative;min-height:328px;padding:clamp(24px,3.2vw,34px);display:flex;flex-direction:column;align-items:flex-start}
.rule-sentence{
  max-width:620px;min-height:72px;font-family:var(--disp);font-size:var(--sim-display);
  font-weight:500;line-height:1.12;letter-spacing:-.03em;
}
.typing-caret{display:none;width:1.5px;height:.82em;margin-left:.06em;background:var(--ink);vertical-align:-.06em;animation:caret-blink .8s steps(1) infinite}
.rule-tag{
  display:inline-flex;align-items:center;padding:.01em .14em;border:1px solid var(--ink);
  border-radius:5px;font-family:inherit;font-size:1em;font-weight:600;line-height:inherit;letter-spacing:inherit;
  vertical-align:middle;white-space:nowrap;
  opacity:0;transform:scale(.92);transform-origin:left center;transition:opacity .22s ease,transform .3s var(--ease);
}
.rule-tag.is-visible{opacity:1;transform:none}
.rule-chip{
  display:inline-flex;align-items:center;gap:.2em;padding:.01em .14em;border:1px solid var(--line-strong);
  border-radius:7px;background:var(--paper);box-shadow:0 3px 10px rgba(44,48,55,.08);font-family:inherit;
  font-size:1em;font-weight:600;line-height:inherit;letter-spacing:inherit;vertical-align:middle;white-space:nowrap;
  opacity:0;transform:scale(.92);transform-origin:left center;
  transition:opacity .24s ease,transform .32s var(--ease);
}
.rule-chip.is-visible{opacity:1;transform:none}
.rule-tag.just-updated,.rule-chip.just-updated{animation:rule-flash .5s ease-out}
.rule-chip img{width:.72em;height:.72em;object-fit:contain}
.rule-phrase{white-space:nowrap}
.rule-swap-out{opacity:0;transition:opacity .16s ease}
.semantic-live{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--rec)}
.stage-button{
  min-height:44px;margin-top:auto;padding:0 17px;border:1px solid #221997;border-radius:999px;color:var(--ink);
  background:linear-gradient(#edf4ff,#a2c7ff);box-shadow:0 5px 12px rgba(44,77,145,.1),inset 0 1px 0 rgba(255,255,255,.9);
  font-size:12px;font-weight:600;cursor:pointer;transition:transform .18s var(--ease),filter .18s ease,box-shadow .18s ease;
}
#deploy-agent{align-self:flex-end}
.stage-button:hover{transform:translateY(-1px);filter:saturate(1.04)}
.stage-button:active,.stage-button.is-pressed{transform:translateY(1px) scale(.985)}
.composer-response{
  width:100%;margin-top:10px;padding:8px 0 0;border-top:1px solid var(--line);display:grid;
  grid-template-columns:24px minmax(0,1fr) auto;gap:8px;align-items:center;opacity:0;transform:translateY(4px);
  transition:opacity .3s ease,transform .4s var(--ease);
}
.composer-response.is-visible{opacity:1;transform:none}
.response-mark,.live-check{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;background:var(--ink);color:#fff;font-size:10px;font-weight:700}
.composer-response strong,.composer-response small{display:block}.composer-response strong{font-size:13px}.composer-response small{color:var(--muted);font-size:11px;margin-top:1px}
.composer-response>.mono{color:var(--muted);font-size:8px}

.agent-head>span:first-child{display:flex;flex-direction:column;gap:4px}
.agent-head small{font-size:8px;letter-spacing:.08em;color:var(--muted)}
.agent-head strong{font-family:var(--disp);font-size:15px;font-weight:600;letter-spacing:-.02em}
.agent-state{font-size:8px;letter-spacing:.07em;color:var(--muted)}
.agent-state-live{display:inline-flex;align-items:center;gap:7px;color:var(--ink)}
.agent-state-live i{width:6px;height:6px;border-radius:50%;background:var(--rec)}

.workflow{padding:8px clamp(16px,2.4vw,24px) 12px}
.flow-row{
  display:grid;grid-template-columns:52px minmax(0,1fr) auto;gap:12px;align-items:start;padding:4px 0;
  border-top:1px dotted rgba(11,11,13,.3);opacity:0;transform:translateY(6px);transition:opacity .32s ease,transform .44s var(--ease);
}
.flow-row:first-child{border-top:0}
.flow-row.is-visible{opacity:1;transform:none}
.flow-key{padding-top:3px;color:var(--muted);font-size:9px;letter-spacing:.08em}
.flow-key-boxed{
  width:52px;min-height:22px;padding:3px 6px 2px;border:1px solid var(--line);border-radius:5px;
  background:var(--paper);display:inline-flex;align-items:center;justify-content:center;color:var(--muted);
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.flow-row.is-active .flow-key-boxed{color:var(--blue-deep);border-color:var(--blue);background:rgba(162,199,255,.28)}
.flow-content{min-width:0}.flow-content>strong{display:block;font-size:14px;font-weight:600;line-height:1.25}
.flow-label{display:block;margin-bottom:4px;color:var(--muted);font-size:8px;letter-spacing:.07em}
.flow-status{padding-top:4px;color:var(--muted);font-size:8px;letter-spacing:.05em}
.flow-status.is-connected{color:var(--blue-deep)}

.stream-control{position:relative;margin-top:7px;max-width:320px}
.stream-select{
  width:100%;min-height:44px;padding:6px 9px;border:1px solid var(--line);border-radius:8px;background:var(--paper);
  display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;cursor:pointer;
  transition:border-color .18s ease,transform .18s var(--ease),box-shadow .18s ease;
}
.stream-select:hover{border-color:var(--line-strong);transform:translateY(-1px);box-shadow:var(--shadow-small)}
.stream-select b,.stream-select small{display:block}.stream-select b{font-size:12px}.stream-select small{margin-top:2px;color:var(--muted);font-size:7px;letter-spacing:.04em}
.stream-menu{position:absolute;z-index:6;top:calc(100% + 6px);left:0;width:100%;padding:5px;border:1px solid var(--line-strong);border-radius:8px;background:var(--paper);box-shadow:var(--shadow-small)}
.stream-menu[hidden]{display:none}.stream-menu button{width:100%;padding:8px;border-radius:5px;background:transparent;text-align:left;font-size:11px;cursor:pointer}.stream-menu button:hover{background:var(--paper-soft)}

.confidence-control{display:grid;grid-template-columns:auto minmax(130px,220px) 38px;gap:10px;align-items:center;margin-top:8px;color:var(--muted);font-size:10px}
.confidence-control input{width:100%;accent-color:var(--blue);cursor:pointer}.confidence-control b{color:var(--ink);font-size:11px}
.tool-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:5px;margin-top:7px}
.tool-option{
  min-width:0;min-height:44px;padding:5px;border:1px solid var(--line);border-radius:8px;background:var(--paper);
  display:flex;align-items:center;gap:6px;text-align:left;cursor:pointer;transition:border-color .18s ease,transform .18s var(--ease),box-shadow .18s ease;
}
.tool-option:hover{border-color:var(--line-strong);transform:translateY(-1px)}
.tool-option[aria-pressed="true"]{border-color:var(--blue);box-shadow:0 0 0 2px rgba(15,127,255,.12)}
.tool-option img{width:18px;height:18px;object-fit:contain;flex:none}.tool-option b,.tool-option small{display:block;overflow:hidden;text-overflow:ellipsis}.tool-option b{font-size:9px}.tool-option small{margin-top:1px;color:var(--muted);font-size:7px}
.outcome-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:5px;margin-top:6px}
.outcome-row span{position:relative;padding:6px 6px 6px 20px;border-left:1px solid var(--line);color:var(--muted);font-size:9px;line-height:1.25}
.outcome-row span::before{content:"✓";position:absolute;left:6px;top:6px;color:var(--blue-deep);opacity:0;transform:scale(.6);transition:opacity .2s ease,transform .25s var(--ease)}
.outcome-row span.is-complete{color:var(--ink)}.outcome-row span.is-complete::before{opacity:1;transform:scale(1)}

.review-body{min-height:316px;padding:clamp(20px,2.4vw,28px);display:flex;flex-direction:column}
.review-body>p{max-width:700px;font-family:var(--disp);font-size:var(--sim-display);font-weight:500;line-height:1.12;letter-spacing:-.03em}
.review-body mark{padding:0 .08em;background:#dceaff;color:inherit}
.review-facts{display:flex;flex-wrap:wrap;gap:5px;margin-top:12px}
.review-facts span{min-height:26px;padding:0 8px;border:1px solid var(--line);border-radius:7px;background:var(--paper);display:inline-flex;align-items:center;gap:5px;font-size:9px}
.review-facts img{width:14px;height:14px;object-fit:contain}
.review-checks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 20px;margin:12px 0 0;padding:0;list-style:none;border-top:1px dotted rgba(11,11,13,.3)}
.review-checks li{position:relative;padding:6px 0 6px 19px;border-bottom:1px dotted rgba(11,11,13,.2);color:var(--muted);font-size:11px;opacity:.4;transform:translateY(3px);transition:opacity .24s ease,transform .32s var(--ease),color .24s ease}
.review-checks li::before{content:"✓";position:absolute;left:0;color:var(--blue-deep);font-weight:700}
.review-checks li.is-checked{opacity:1;transform:none;color:var(--ink)}
.review-body .stage-button{align-self:flex-end;margin-top:auto}

.live-sheet{min-height:388px}
.live-summary{margin:clamp(22px,3vw,30px) clamp(22px,3.4vw,32px) 18px;display:flex;align-items:center;gap:10px}
.live-summary strong,.live-summary small{display:block}.live-summary strong{font-family:var(--disp);font-size:var(--sim-display);font-weight:600;letter-spacing:-.025em}.live-summary small{margin-top:3px;color:var(--muted);font-size:10px}
.activity-feed{margin:0 clamp(22px,3.4vw,32px) 28px;border-top:1px dotted rgba(11,11,13,.3)}
.activity-row{display:grid;grid-template-columns:48px minmax(0,1fr);gap:12px;padding:10px 0;border-bottom:1px dotted rgba(11,11,13,.22);opacity:0;transform:translateY(4px);transition:opacity .28s ease,transform .38s var(--ease)}
.activity-row.is-visible{opacity:1;transform:none}.activity-row time{padding-top:2px;color:var(--muted);font-size:8px}.activity-row span{font-size:12px;line-height:1.4}

.story-cursor{position:absolute;z-index:12;top:0;left:0;display:flex;align-items:flex-start;gap:5px;color:var(--blue-deep);opacity:0;pointer-events:none;transform:translate(0,0);transition:opacity .16s ease}
.story-cursor.is-visible{opacity:.82}.story-cursor b{margin-top:10px;padding:2px 4px;border-radius:4px;background:var(--blue);color:#fff;font-size:7px;font-weight:600}
.cursor-pointer{display:block;width:13px;height:16px;background:var(--blue);clip-path:polygon(0 0,100% 67%,56% 68%,41% 100%)}
.cursor-ripple{position:absolute;z-index:10;width:12px;height:12px;margin:-6px 0 0 -6px;border:1px solid var(--blue);border-radius:50%;pointer-events:none;animation:cursor-ripple .56s ease-out forwards}

.section-three-footer{position:relative;isolation:isolate;max-width:var(--simulation-shell);margin:0 auto;padding:24px 24px 30px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:24px}
.section-three-footer::before{content:"";position:absolute;top:0;bottom:0;left:50%;z-index:-1;width:100vw;transform:translateX(-50%);background:var(--footer-bg)}
.section-three-footer .brand{font-size:14px}.footer-meta{display:flex;align-items:center;gap:12px}.footer-copy{color:var(--muted);font-size:9px}.footer-social{width:44px;height:44px;display:grid;place-items:center;border-radius:50%;color:var(--muted);transition:color .2s ease,background-color .2s ease}.footer-social:hover{color:var(--ink);background:rgba(0,0,0,.05)}.footer-social:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.footer-social svg{width:18px;height:18px;fill:currentColor}

@keyframes tab-progress{from{width:0}to{width:100%}}
@keyframes caret-blink{50%{opacity:0}}
@keyframes rule-flash{from{box-shadow:0 0 0 5px rgba(162,199,255,.38)}to{box-shadow:0 0 0 0 rgba(162,199,255,0)}}
@keyframes cursor-ripple{to{transform:scale(2.8);opacity:0}}

@media(max-width:900px){
  .section-three-intro{padding-top:82px}
  .hiw-tabs{grid-template-columns:repeat(2,minmax(0,1fr))}.hiw-tab{border-top:1px solid var(--line)}
  .hiw-stage,.hiw-panel{min-height:400px}.composer-sheet,.agent-sheet{min-height:380px}
  .section-three-page{--sim-display:28px}
  .tool-row,.outcome-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .review-body{min-height:336px}
}
@media(max-width:650px){
  .section-three-page{--sim-display:24px}
  .section-three-intro{padding:76px 20px 32px}.section-three-intro::before{background-size:20px 20px}.section-three-intro h1{font-size:clamp(32px,9vw,40px)}.section-three-intro p{font-size:16px}
  .hiw{padding:28px 20px 48px}.hiw-tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;overflow:visible}.hiw-tab{min-width:0;min-height:54px;padding:9px 10px 12px}.hiw-tab-progress{bottom:0}.hiw-tab-label{font-size:11px;white-space:normal}
  .hiw-stage,.hiw-panel{min-height:0}.composer-sheet,.agent-sheet{min-height:380px}
  .sheet-bar{min-height:42px;padding:0 10px}.composer-body{min-height:338px;padding:24px 16px}.rule-sentence{min-height:120px}
  .composer-response{grid-template-columns:24px minmax(0,1fr)}.composer-response>.mono{display:none}
  .agent-head{min-height:42px;padding:0 10px}.agent-head strong{font-size:14px}.agent-state{font-size:7px}
  .workflow{padding:8px 12px 14px}.flow-row{grid-template-columns:52px minmax(0,1fr);gap:9px;padding:9px 0}.flow-status{grid-column:2}
  .confidence-control{grid-template-columns:1fr 44px}.confidence-control>span{grid-column:1/-1}.tool-row{grid-template-columns:repeat(2,minmax(0,1fr))}.outcome-row{grid-template-columns:1fr}
  .review-body{min-height:360px;padding:22px 16px}.review-facts{margin-top:14px}.review-checks{grid-template-columns:1fr;margin-top:14px}.review-body .stage-button{margin-top:20px}
  .live-sheet{min-height:380px}.live-summary{margin:24px 16px 18px;align-items:flex-start}.live-summary small{line-height:1.45}.activity-feed{margin:0 16px 24px}.activity-row{grid-template-columns:42px minmax(0,1fr);gap:9px;padding:10px 0}.activity-row span{font-size:11px}
  .story-cursor{display:none}.section-three-footer{padding:22px 20px 28px}.section-three-footer .brand{min-height:44px}
}
@media(prefers-reduced-motion:reduce){
  .hiw-tab,.stage-button,.flow-row,.flow-key-boxed,.tool-option,.review-checks li,.activity-row,.rule-tag,.rule-chip,.rule-swap-out,.composer-response{transition:none}
  .hiw-tab.is-running .hiw-tab-progress::after,.typing-caret,.cursor-ripple,.rule-tag.just-updated,.rule-chip.just-updated{animation:none}
  .story-cursor{display:none}
}