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/* KRAFT-inspired typography and navigation; locally hosted open-source font. */
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/* Title and idea refinement, v3. */
.hero-bottom{display:block}.hero-bottom h2{max-width:1100px}.authors{font-size:20px;font-weight:500;line-height:1.9;margin-top:30px}.authors a,.author-name{white-space:nowrap}.authors a{text-decoration:underline;text-decoration-color:#b6b6ad;text-underline-offset:5px;text-decoration-thickness:1px}.authors a:hover{background:var(--accent);text-decoration-color:var(--ink)}.authors .author-separator{font-size:17px;color:#777;margin:0 3px}.authors .affiliation{font-size:18px;font-weight:400;color:#555;margin-top:9px;line-height:1.5}.resource-pending{color:var(--ink);opacity:1;cursor:default}.resource-pending:disabled:hover{transform:none;box-shadow:4px 4px 0 var(--ink)}
#concept .section-head{grid-template-columns:1.3fr 1fr}#concept .section-head h2{font-size:clamp(30px,3vw,44px);line-height:1.12}#concept .section-head>p{max-width:510px}.collection-row-heading p{font-size:19px;color:var(--ink);line-height:1.4}.collection-row-heading p strong{font-weight:700}.aida .collection-row-heading strong{box-shadow:inset 0 -.4em var(--accent)}.process-stage{text-align:center}.process-stage .stage-label{text-align:center;font-size:11px}.process-stage h4{font-size:18px;line-height:1.35;margin:0 auto 8px}.process-stage p{font-size:15px;line-height:1.5;margin:0 auto;max-width:240px;color:#50504b}.sample-output>p{font-size:15px;line-height:1.4;color:#50504b}.sample-output h4{font-size:18px}.sample-stack code{font-size:13px}.sample-view{font-size:13px}.teacher-input{font-size:11px}.feedback-loop{grid-column:1/6;margin:22px 0 0;padding:0;height:42px;display:block;position:relative}.feedback-loop>span{position:absolute;left:16%;right:16%;top:0;bottom:0;border:2px solid var(--ink);border-top:0;border-radius:0 0 14px 14px}.feedback-loop>span:before{content:'';position:absolute;left:-6px;top:0;width:8px;height:8px;border-left:2px solid var(--ink);border-top:2px solid var(--ink);transform:rotate(45deg)}
@media(max-width:1100px){.collection-row-heading p{font-size:18px}.process-stage p{font-size:14px}.sample-stack code{font-size:12px}.feedback-loop{grid-column:1/-1}.sample-output>p{font-size:14px}}
@media(max-width:800px){#concept .section-head{grid-template-columns:1fr}.authors{font-size:18px}.authors .affiliation{font-size:16px}.process-stage h4{font-size:16px}.process-stage p{font-size:13px}.teacher-input{font-size:9px}.collection-row-heading p{font-size:17px}}
@media(max-width:520px){.authors{font-size:17px;line-height:1.85}.authors .affiliation{font-size:15px}.authors .author-separator{margin:0 1px}.hero-bottom h2{font-size:27px}#concept .section-head h2{font-size:30px}.process-stage{display:flex;flex-direction:column;align-items:center;margin-bottom:28px}.process-stage .stage-label{font-size:11px;margin-bottom:12px}.process-map,.process-scene,.teacher-symbol,.action-symbol{height:150px;width:200px;margin:0 0 14px}.process-stage h4{font-size:18px}.process-stage p{font-size:15px;max-width:240px}.teacher-symbol>span{font-size:22px;padding:14px 25px}.teacher-input{display:block;font-size:10px}.action-call{font-size:13px;padding:13px}.executor-box{font-size:13px;padding:10px 20px}.aida .collection-flow{position:relative;padding-left:22px}.aida .feedback-loop{position:absolute;left:0;top:105px;bottom:250px;width:15px;height:auto;margin:0}.feedback-loop>span{inset:0;border:2px solid var(--ink);border-right:0;border-radius:12px 0 0 12px}.feedback-loop>span:before{left:auto;right:0;top:-6px;transform:rotate(135deg)}.collection-row-heading p{font-size:18px}.sample-stack code{font-size:11px}.sample-output>p{font-size:15px}.sample-output h4{font-size:18px}.sample-stack>div{padding:10px 4px;gap:4px}}
@media(max-width:520px){.aida .feedback-loop{grid-row:auto;grid-column:auto}}

/* v4: shared type scale, compact collection flow, and task framing. */
:root{--text-small:15px;--text-body:16px;--text-label:13px;--text-subheading:18px}
.authors .affiliation{font-size:inherit;font-weight:inherit;color:inherit;line-height:1.9}.authors .affiliation a{white-space:normal}.hero-bottom h2{max-width:none}.section-head>.eyebrow,.limits>.eyebrow{font-size:var(--text-label)}
.process-tag{width:150px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;text-align:center}
.process-stage p,.sample-output>p,.teacher-input{font-size:var(--text-small);line-height:1.5;color:var(--muted)}.process-stage h4,.sample-output h4{font-size:var(--text-subheading)}.stage-label,.process-stage .stage-label{font-size:var(--text-label)}
.collection-row{padding-top:20px;padding-bottom:20px}.collection-row-heading{margin-bottom:20px}.process-map,.process-scene,.teacher-symbol,.action-symbol{height:130px;margin-bottom:10px}.teacher-input{margin-top:10px;text-align:center}.teacher-symbol>span{padding:11px 22px;font-size:21px}.process-stage p{max-width:255px}.feedback-loop{height:24px;margin-top:8px}.sample-stack>div{padding-top:8px;padding-bottom:8px}.sample-output h4{margin:12px 0}.sample-output>p{margin-top:9px}
.instruction-label{display:block;font-size:var(--text-label);font-style:normal;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;margin-bottom:12px}
@media(min-width:1101px){.aida .sample-output{grid-column:7;grid-row:1/3}.feedback-loop{grid-row:2}.teacher-input{max-width:270px}}
@media(max-width:1100px){.teacher-input{font-size:var(--text-small)}.sample-output>p{font-size:var(--text-small)}}
@media(max-width:800px){.authors .affiliation{font-size:inherit}.process-stage p,.sample-output>p,.teacher-input{font-size:var(--text-small)}.teacher-symbol,.action-symbol,.process-map,.process-scene{height:145px}.teacher-input{font-size:var(--text-small)}.teacher-symbol>span{font-size:18px}}
@media(max-width:520px){.authors .affiliation{font-size:inherit}.process-stage .stage-label{font-size:var(--text-label)}.teacher-symbol,.action-symbol,.process-map,.process-scene{height:150px}.teacher-symbol{width:250px}.teacher-symbol>span{font-size:22px}.teacher-input{font-size:var(--text-small)}.aida .feedback-loop{height:auto;margin:0;bottom:245px}.process-tag{width:150px}.section-head>.eyebrow{font-size:var(--text-label)}}

.skills p,.note,figcaption,.real-stat p,.video-placeholder p{font-size:var(--text-small);line-height:1.6}

/* v6: luminous mint and deep burgundy, with neutral paper surfaces. */
:root{--accent:#72ffd7;--depth:#2c0014;--accent-soft:#edfff8;--focus:#006d58}
.brand,.menu-toggle{background:var(--depth);color:var(--accent);border-color:var(--depth);box-shadow:4px 4px 0 var(--accent)}
.menu-toggle span{background:var(--accent)}
.brand:hover,.menu-toggle:hover{background:#450c29}
.button:not(.button-white){background:var(--depth);color:var(--accent);border-color:var(--depth);box-shadow:4px 4px 0 var(--accent)}
.button:not(.button-white):disabled:hover{background:var(--depth);color:var(--accent);box-shadow:4px 4px 0 var(--accent)}
.button-white{background:#fff;color:var(--ink)}
.paper-link:hover,.button-white:hover{background:var(--depth);color:var(--accent)}
.collection-row.aida{background:var(--accent-soft)}
.aida .process-tag,.teacher-symbol>span{background:var(--depth);color:var(--accent);border-color:var(--depth)}
.teacher-symbol>span{box-shadow:4px 4px 0 var(--accent)}
.action-call{background:var(--depth);border-color:var(--depth);color:var(--accent)}
blockquote{background:var(--accent-soft);border-left-color:var(--depth)}
.instruction-label{color:var(--depth)}
.method{background:#f6f7f7}
.stats>div:first-child{background:var(--depth);color:#fff}.stats>div:first-child strong{color:var(--accent)}
.boundary,.real-stat,.limits{background:var(--depth)}
.transfer-grid>div+div,.highlight{background:var(--accent-soft)}
.authors a:hover,.section-menu a:hover{background:var(--accent-soft)}
a:focus-visible,button:focus-visible,.menu-toggle:focus-visible{outline:3px solid var(--focus);outline-offset:5px}

/* Method modules: connect each component to its training-data role. */
.method-role{display:block;font-size:11px;line-height:1.5;letter-spacing:.7px;font-weight:600;color:var(--muted);margin-top:10px}.method-rows p{font-size:15px;line-height:1.65}.method-rows h3{font-size:24px}

/* Sequential evidence and consistent method rows. */
.method-rows{display:grid;grid-auto-rows:1fr}.method-rows article{margin:0;padding:23px 0}.method-rows h3{line-height:1.25}.method-role{line-height:1.5;margin-top:10px}
.progression-heading{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:14px}.progression-heading h4{font-size:20px;margin:0;font-weight:600}.progression-heading>span{font-size:12px;color:var(--muted)}.progression-scroll{overflow-x:auto}.progression-chart{display:block;width:100%;min-width:740px;font-family:'Space Grotesk',sans-serif}.progression-grid{stroke:#dedede;stroke-width:1}.axis-label{fill:#666;font-size:12px}.progression-baseline{fill:none;stroke:#777;stroke-width:2.5;stroke-dasharray:7 5}.progression-outline{fill:none;stroke:var(--depth);stroke-width:7;stroke-linejoin:round}.progression-ours{fill:none;stroke:var(--accent);stroke-width:4;stroke-linejoin:round}.point-ours{fill:var(--accent);stroke:var(--depth);stroke-width:2}.point-baseline{fill:white;stroke:#777;stroke-width:2}.rate-ours{fill:var(--depth);font-size:18px;font-weight:700}.rate-baseline{fill:#666;font-size:15px;font-weight:500}.milestone-number{fill:#777;font-size:11px;letter-spacing:1px}.milestone-label{fill:var(--ink);font-size:14px;font-weight:500}.milestone-arrow{fill:#777;font-size:20px}.teacher-source{margin-top:22px;padding:18px 0 0;border-top:1px solid #bbb}.source-heading{display:flex;flex-direction:column;gap:6px;font-size:11px;letter-spacing:.5px}.source-heading>span{color:#666;letter-spacing:0;font-size:12px}.teacher-source p{font-size:13px;line-height:1.5;color:#626262;margin:0}.teacher-source .teacher-row{margin:17px 0}.source-aida{border-top:2px solid var(--depth)}.source-aida .source-heading strong{color:var(--depth)}footer{border-top:3px solid var(--ink)}
@media(max-width:800px){.method-rows{grid-auto-rows:auto}}@media(max-width:520px){.progression-heading{align-items:flex-start;flex-direction:column;gap:7px}.progression-heading h4{font-size:18px}.real-stat>strong{grid-row:auto}}

/* Shared reading scale; display title and metric numerals retain their roles. */
:root{--type-caption:14px;--type-body:16px;--type-subheading:24px;--type-heading:44px;--text-small:var(--type-body);--text-body:var(--type-body);--text-label:var(--type-caption);--text-subheading:var(--type-subheading)}
/* Last module ends at the section rule, without an extra section-sized gap. */
#method{padding-bottom:0}.method-rows article:last-child{padding-bottom:23px}
.method-role,.method-rows article>span,.label,.eyebrow,.stage-label,.process-stage .stage-label,.instruction-label,.process-tag,.menu-label,.hero .eyebrow,.hero-foot>span,.skills span,.result-title>span,.progression-heading>span,.source-heading,.source-heading>span,.axis-label,.milestone-number,.milestone-label,.rate-baseline,.chart-key,.teacher-row>div:first-child,table,footer p span{font-size:var(--type-caption)}
.method-rows p,.section-head>p,.evidence>p,.skills p,.process-stage p,.sample-output>p,.teacher-input,.real-stat p,.video-placeholder p,.note{font-size:var(--type-body)}
.note{font-size:var(--type-caption)!important;line-height:1.55!important}
.method-rows h3,.evidence h3,.result-title h3,.skills h3,.sample-output h4,.process-stage h4,.progression-heading h4,.collection-heading h3{font-size:var(--type-subheading)}
.chart-key{font-size:var(--type-body);gap:20px 30px;flex-wrap:wrap;line-height:1.5}.key{width:12px;height:12px}
.evidence>.label{font-size:var(--type-body);letter-spacing:1px}.evidence{padding:26px}.evidence h3{margin:13px 0;line-height:1.2}.evidence>p{margin:12px 0;line-height:1.5}
.teacher-source{margin-top:14px;padding-top:12px}.source-heading{flex-direction:row;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:4px 12px;letter-spacing:0}.source-heading strong{font-size:var(--type-caption)}.teacher-source .teacher-row{margin:12px 0}.teacher-row>div:first-child{margin-bottom:6px}.teacher-source .bar-track{height:12px;margin:0}.teacher-source .teacher-row:last-child{margin-bottom:0}.evidence .note{margin-top:14px}
@media(max-width:520px){.chart-key{gap:8px}.evidence{padding:22px}.method-role{font-size:var(--type-caption)}}

/* Align diagram stages by shared rows rather than natural text heights. */
@media(min-width:521px){
.collection-flow{align-items:start}
.process-stage{display:grid;grid-template-rows:24px 156px 58px 48px;row-gap:10px;justify-items:center;text-align:center}
.process-stage .stage-label{margin:0;align-self:start}
.process-stage .process-map,.process-stage .process-scene,.process-stage .teacher-symbol,.process-stage .action-symbol{height:156px;width:100%;margin:0;align-self:center}
.process-stage h4{margin:0;line-height:1.2;align-self:start;width:100%;font-size:var(--type-subheading)}
.process-stage p{margin:0;line-height:1.5;align-self:start;max-width:240px}
.teacher-symbol{justify-content:center}.teacher-symbol>span{flex-shrink:0}.teacher-input{font-size:var(--type-caption);line-height:1.5;margin-top:10px}
.flow-arrow{margin-top:94px}.feedback-loop{margin-top:12px}
}
@media(min-width:901px){.process-stage{grid-template-rows:24px 156px 32px 48px}}
@media(max-width:520px){.process-stage h4{margin:0 0 8px}.process-stage p{max-width:260px}.teacher-input{font-size:var(--type-caption)}}

@media(min-width:521px){.process-stage .teacher-symbol,.process-stage .action-symbol{justify-content:flex-start;padding-top:11px}}

/* Larger comparison tags and tighter feedback loop. */
.collection-row-heading .process-tag{width:184px;min-height:46px;padding:11px 16px;font-size:var(--type-body)}
@media(min-width:901px){.aida .process-stage{grid-template-rows:24px 156px 32px 24px}.aida .feedback-loop{margin-top:4px;height:18px}}
@media(min-width:521px) and (max-width:900px){.aida .feedback-loop{margin-top:4px;height:18px}}
@media(max-width:520px){.collection-row-heading .process-tag{width:184px;min-height:46px}.aida .feedback-loop{bottom:225px}}

/* Full-width robot video; the success metric lives with the introduction. */
.real-summary{align-self:end}.real-summary>p{font-size:var(--type-body);line-height:1.7;margin:0;max-width:480px}.real-metric{display:flex;align-items:center;gap:20px;border-top:1px solid var(--depth);padding-top:14px;margin-top:20px}.real-metric>strong{font-size:48px;line-height:1;font-weight:600;letter-spacing:-2px;color:var(--depth)}.real-metric>strong span{font-size:24px;letter-spacing:-1px}.real-metric>span{font-size:var(--type-body)}.robot-video{border:var(--line);background:#000;line-height:0;overflow:hidden}.robot-video video{display:block;width:100%;height:auto;aspect-ratio:25/18;object-fit:contain}.robot-video+figure{margin-top:28px}@media(max-width:520px){.real-metric>strong{font-size:40px}.real-metric{gap:16px}}

/* Align the deployment title, result, and introduction in three columns. */
#real .section-head{grid-template-columns:1.6fr .6fr 1.1fr;column-gap:32px;align-items:center}
#real .real-summary{align-self:center}
#real .real-metric{flex-direction:column;align-items:flex-start;gap:10px;border:0;padding:0;margin:0}
#real .real-metric>span{line-height:1.4}
@media(max-width:1000px){#real .section-head{grid-template-columns:1fr}#real .real-metric{flex-direction:row;align-items:center;gap:20px}#real .real-summary>p{max-width:none}}