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@media(min-width:1500px){.hero{padding-top:82px}.hero-figure{margin-top:65px}}
@media(max-width:1000px){.section-shell,.nav-wrap{width:calc(100% - 48px)}nav{gap:20px}.intro-grid{gap:45px}.section-space{padding-block:76px}.section-heading{gap:30px}.section-heading>p{max-width:330px}.input-note{gap:18px;flex-wrap:wrap}.input-note>span:last-child{margin-left:0;width:100%}.robot-card .robot-image{height:220px}.robot-grid{gap:20px}.robot-card p{min-height:94px}.result-panel{gap:40px}.resource-grid{gap:45px}.metric-value{font-size:36px}.metrics-strip>div{padding-inline:20px}.completion-note{gap:30px}}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* Research demo at the top; the original overview figure follows the method. */
.hero-demo{margin-top:50px;border-radius:14px;text-align:left;padding:36px 0;overflow:hidden}
.hero-demo>.section-shell{width:calc(100% - 48px)}
.hero-demo .section-heading{gap:30px;margin-bottom:25px}
.hero-demo h2{font-size:30px;letter-spacing:-1px}
.hero-demo .section-heading>p{font-size:13px;max-width:340px}
.mapping-figure{margin:0}
.comparison-section{background:#f4f6f6;border-top:1px solid var(--line)}
.comparison-toolbar{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-top:28px}
.scene-picker{flex:1;max-width:620px}.scene-picker label{display:block;font-size:12px;font-weight:600;margin-bottom:9px}
.scene-picker select{width:100%;font:inherit;font-size:15px;color:var(--ink);background:#fff;border:1px solid #b9c9d0;border-radius:7px;padding:14px 40px 14px 15px;min-height:52px}
.comparison-actions{display:flex;gap:10px}.scene-description{font-size:14px;color:var(--muted);margin:18px 0 28px;min-height:24px}
.trial-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.trial-heading{padding:15px 0;border-top:2px solid #c8d5db}.trial-grid article:first-child .trial-heading{border-color:#d7ae32}
.trial-heading h3{font-size:18px}.trial-heading span{font-size:12px;font-weight:400;color:var(--muted);margin-left:8px}
.trial-grid video{display:block;width:100%;aspect-ratio:16/9;object-fit:contain;background:#091923;border-radius:7px}
.trial-footer{display:flex;justify-content:space-between;gap:20px;font-size:11px;color:var(--muted);margin-top:18px}
@media(max-width:700px){.hero-demo{margin-top:32px;padding:24px 0}.hero-demo>.section-shell{width:calc(100% - 28px)}.hero-demo h2{font-size:25px}.comparison-toolbar{align-items:stretch;flex-direction:column;gap:14px}.comparison-actions .button{flex:1}.scene-picker select{font-size:13px}.trial-grid{grid-template-columns:1fr;gap:24px}.trial-heading h3{font-size:18px}.trial-footer{flex-direction:column;gap:8px}.scene-description{font-size:13px}.hero-demo .section-heading>p{max-width:none}}

.hero>.comparison-section{text-align:left;margin-top:32px;border-radius:14px;padding-block:36px}.hero>.comparison-section>.section-shell{width:calc(100% - 48px)}
@media(max-width:700px){.hero>.comparison-section{padding-block:24px}.hero>.comparison-section>.section-shell{width:calc(100% - 28px)}}
/* Opening conversation: decorative animation, never a live chat request. */
.intro-pending .site-header,.intro-pending main,.intro-pending .site-footer{visibility:hidden}
.intro-locked{overflow:hidden}
.intro-overlay[hidden],.intro-thinking[hidden],.intro-composer[hidden]{display:none}
.intro-overlay{position:fixed;inset:0;z-index:200;background:#071721;color:#edf6f7;display:grid;place-items:center;overflow:hidden;transition:opacity .55s,filter .55s}
.intro-overlay::after{content:'';position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(#ffffff03 1px,transparent 1px),linear-gradient(90deg,#ffffff03 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(ellipse at center,#000,transparent 75%)}
.intro-glow{position:absolute;width:600px;height:600px;border-radius:50%;filter:blur(100px);opacity:.22;pointer-events:none;animation:intro-drift 8s ease-in-out infinite alternate}
.intro-glow-one{background:#247f88;top:-220px;left:-150px}.intro-glow-two{background:#c4a249;right:-250px;bottom:-300px;animation-delay:-4s}
.intro-stage{position:relative;z-index:1;width:min(680px,calc(100% - 40px));min-height:390px;display:flex;flex-direction:column;justify-content:center}
.intro-kicker{font:11px/1.5 monospace;letter-spacing:2px;color:#8faab8;margin-bottom:40px;display:flex;align-items:center;gap:12px}.intro-kicker>span{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 18px #f1c94e88}
.intro-messages{display:flex;flex-direction:column;align-items:flex-end;gap:16px;margin-bottom:22px}.intro-bubble{max-width:95%;padding:18px 24px;background:linear-gradient(125deg,#244252,#193140);border:1px solid #698a9b44;border-radius:22px 22px 5px 22px;font-size:20px;line-height:1.65;box-shadow:0 8px 30px #0002;animation:message-send .4s both}
.intro-composer{display:flex;align-items:center;min-height:78px;padding:20px 22px;border:1px solid #7494a755;border-radius:18px;background:#132632aa;box-shadow:0 14px 50px #0003;transition:transform .22s,border-color .22s;font-size:20px;line-height:1.6}
#intro-typed{overflow-wrap:anywhere}.typing-caret{display:inline-block;width:2px;height:24px;margin-left:3px;background:#edd275;animation:caret-blink .8s steps(1) infinite;flex:none}.intro-send{margin-left:auto;align-self:end;display:grid;place-items:center;width:35px;height:35px;border-radius:50%;background:#dfe9ec;color:#19313e;font-size:24px;flex:none}.is-sending{transform:translateY(-5px);border-color:#ead077}.is-sending .intro-send{background:var(--accent)}
.intro-thinking{display:flex;align-items:center;gap:16px;margin-top:10px;position:relative;padding:20px 0 30px;animation:message-send .4s both}.gpt-mark{width:58px;height:58px;border-radius:17px;display:grid;place-items:center;background:#183c37;color:#c8f5e5;border:1px solid #6e9b8c66;box-shadow:0 0 28px #62ba9a18}.gpt-mark svg{width:42px;height:42px}.thinking-label{font-size:15px;font-weight:600;letter-spacing:.3px}.thinking-label>span{display:block;color:#94adb8;font-size:13px;font-weight:400;margin-top:3px}.thinking-dots{animation:thinking-pulse 1.2s infinite}.thinking-track{position:absolute;bottom:10px;left:74px;width:160px;height:2px;background:#28434e;overflow:hidden}.thinking-track span{display:block;width:35%;height:100%;background:var(--accent);animation:thinking-scan 1.5s ease-in-out infinite}
.intro-skip{position:absolute;right:30px;top:25px;z-index:2;background:#ffffff09;border:1px solid #ffffff25;border-radius:100px;padding:10px 18px;color:#c8d7df;font-size:12px}.intro-skip span{margin-left:10px}.intro-skip:hover{background:#ffffff15}.intro-exit{opacity:0;filter:blur(9px);pointer-events:none}.intro-accessible{position:absolute;width:1px;height:1px;clip-path:inset(50%);overflow:hidden}.intro-replay{border:0;background:transparent;color:#70818a;font-size:11px;margin-top:14px;padding:7px 12px;letter-spacing:.4px}.intro-replay:hover{color:var(--ink)}.authors{max-width:1000px;margin-inline:auto;line-height:1.85;font-size:16px}.authors sup{font-size:10px;margin-left:2px}.title-typing::after{content:'▏';font-weight:300;color:#c79b17;animation:caret-blink .8s steps(1) infinite}.intro-revealing .hero-summary,.intro-revealing .hero-actions,.intro-revealing .hero-demo,.intro-revealing .comparison-section,.intro-revealing .metrics-strip,.intro-revealing .intro-replay{visibility:hidden}
@keyframes message-send{from{opacity:0;transform:translateY(15px) scale(.98)}to{opacity:1;transform:none}}@keyframes caret-blink{50%{opacity:0}}@keyframes thinking-pulse{50%{opacity:.3}}@keyframes thinking-scan{0%{transform:translateX(-100%)}100%{transform:translateX(390%)}}@keyframes intro-drift{to{transform:translate(60px,40px) scale(1.15)}}
@media(max-width:700px){.intro-bubble,.intro-composer{font-size:16px}.intro-bubble{padding:15px 18px}.intro-composer{padding:16px;min-height:72px}.intro-kicker{font-size:9px;letter-spacing:1px;margin-bottom:28px}.intro-skip{top:18px;right:18px}.authors{font-size:13px}.authors br{display:none}.intro-stage{min-height:350px}}
@media(prefers-reduced-motion:reduce){.intro-replay{display:none}.intro-overlay{display:none!important}}

/* Opening scene shares the paper site's white, navy, and gold palette. */
.intro-overlay{background:var(--paper);color:var(--ink)}
.intro-overlay::after{background-image:linear-gradient(#102b3804 1px,transparent 1px),linear-gradient(90deg,#102b3804 1px,transparent 1px)}
.intro-glow{opacity:.13}.intro-glow-one{background:#9ab5c3}.intro-glow-two{background:var(--accent)}
.intro-kicker{color:var(--muted)}
.intro-bubble{background:linear-gradient(125deg,#f5f7f8,#eaf0f2);border-color:var(--line);box-shadow:0 8px 30px #102b3806;color:var(--ink)}
.intro-composer{background:#fff;border-color:#cbd5da;box-shadow:0 14px 50px #102b380a;color:var(--ink)}
.typing-caret{background:#c79b17}.intro-send{background:var(--ink);color:#fff}.is-sending{border-color:#c79b17}.is-sending .intro-send{background:var(--accent);color:var(--ink)}
.gpt-mark{background:var(--wash);color:var(--ink);border-color:var(--line);box-shadow:0 0 28px #102b3808}
.thinking-label>span{color:var(--muted)}.thinking-track{background:var(--line)}
.intro-skip{background:#fff;border-color:var(--line);color:var(--muted)}.intro-skip:hover{background:var(--wash);color:var(--ink)}

.platform-video-wrap{max-width:880px;margin:0 auto}.platform-video-wrap video{width:100%;display:block;aspect-ratio:16/9;object-fit:contain;background:#091923;border-radius:8px}.platform-video-wrap .trial-heading span{font-size:12px;color:var(--muted)}
@media(min-width:1001px){nav{gap:22px}nav a{font-size:13px}}

/* Reference-matched send glyph and authentic monochrome ChatGPT mark. */
.intro-send,.is-sending .intro-send{width:46px;height:46px;flex:0 0 46px;padding:0;background:#000;color:#fff;border-radius:50%;margin-left:18px;align-self:center}
.intro-send svg{display:block;width:100%;height:100%}
.gpt-mark{width:64px;height:64px;flex:0 0 64px;background:transparent;border:0;border-radius:0;box-shadow:none}
.gpt-mark img{width:64px;height:64px;object-fit:contain}
.intro-revealing [data-intro-fade]{visibility:hidden;opacity:0}
.intro-entering [data-intro-fade]{animation:main-content-enter .9s cubic-bezier(.2,.7,.2,1) both}
@keyframes main-content-enter{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:700px){.intro-send,.is-sending .intro-send{width:40px;height:40px;flex-basis:40px;margin-left:12px}}
@media(prefers-reduced-motion:reduce){.intro-entering [data-intro-fade]{animation:none;opacity:1;transform:none}}
/* EchoNav above two smaller baselines. */
.trial-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 22px;max-width:1000px;margin-inline:auto}
.trial-grid>article:first-child{grid-column:1 / -1;width:84%;justify-self:center}
.trial-grid>article:not(:first-child) .trial-heading h3{font-size:16px}
@media(max-width:700px){.trial-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 12px}.trial-grid>article:first-child{width:100%}.trial-grid>article:not(:first-child) .trial-heading h3{font-size:14px}}

.trial-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}
.trial-outcome{display:inline-flex;align-items:center;gap:6px;border-radius:100px;padding:4px 11px;font-size:12px;line-height:1.5;font-weight:650;white-space:nowrap;border:1px solid transparent}
.trial-outcome.success{color:#246349;background:#eaf5ef;border-color:#cde5d7}.trial-outcome.success::before{content:'✓'}
.trial-outcome.failure{color:#963c39;background:#fbeeed;border-color:#efcfcc}.trial-outcome.failure::before{content:'×'}
@media(max-width:700px){.trial-grid>article:not(:first-child) .trial-heading{flex-wrap:wrap;gap:7px}.trial-outcome{font-size:11px;padding:3px 9px}}

.trial-badges{display:flex;align-items:center;justify-content:flex-end;gap:7px;flex-wrap:wrap}.playback-speed{font-size:11px;font-weight:600;white-space:nowrap;color:#4c6170;border:1px solid #d5dfe4;background:#fff;border-radius:5px;padding:4px 8px;line-height:1.5}
@media(max-width:700px){.trial-badges{justify-content:flex-start}.playback-speed{font-size:10px;padding:3px 6px}}

/* Embedded, independently looping question-and-answer illustration. */
.inline-intro{position:relative;isolation:isolate;overflow:hidden;width:100%;max-width:1100px;height:330px;margin:28px auto 22px;border:1px solid var(--line);border-radius:20px;background:var(--paper);color:var(--ink);display:grid;place-items:center;text-align:left}
.inline-intro .intro-stage{width:calc(100% - 48px);max-width:1000px;min-height:0;height:260px;justify-content:center}
.inline-intro .intro-messages{gap:10px;margin-bottom:12px}
.inline-intro .intro-bubble{font-size:17px;padding:11px 20px}
.inline-intro .intro-composer{font-size:17px;min-height:64px;padding:12px 18px;width:min(680px,100%);align-self:center}
.inline-intro .intro-thinking{width:min(680px,100%);align-self:center;margin-top:0;padding-block:10px 24px}
.inline-intro .intro-result{white-space:nowrap;text-align:center;font-weight:600;letter-spacing:0;margin:0;width:100%;line-height:1.5;color:var(--ink)}
.inline-intro [hidden]{display:none!important}
.intro-pause{position:absolute;right:16px;top:10px;z-index:3;background:transparent;border:0;color:var(--muted);font-size:11px;padding:6px 9px;cursor:pointer}
.intro-pause:hover{color:var(--ink)}
.inline-intro.is-paused *{animation-play-state:paused!important}
@media(max-width:700px){.inline-intro{height:310px;border-radius:14px}.inline-intro .intro-stage{height:240px;width:calc(100% - 32px)}.inline-intro .intro-bubble,.inline-intro .intro-composer{font-size:14px}.inline-intro .intro-bubble{padding:10px 14px}}
@media(prefers-reduced-motion:reduce){.inline-intro *{animation:none!important}}

/* GPT's answer stays in the conversation beneath the two user messages. */
.inline-intro .intro-result{display:flex;align-items:flex-start;gap:14px;text-align:left;color:#000;animation:message-send .3s both}
.reply-avatar{flex:0 0 28px;width:28px;height:28px;margin-top:2px}
.reply-body{flex:1;min-width:0}
.reply-name{display:block;font-size:14px;font-weight:600;margin-bottom:7px;color:#000}
#intro-result-text{display:block;white-space:nowrap;font-weight:700;color:#000;line-height:1.5}

.hero-completion{margin:44px auto 0;text-align:left}
.occupancy-tables{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.occupancy-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;padding:18px;background:#fff}
.occupancy-table{width:100%;border-collapse:collapse;font-size:13px;font-variant-numeric:tabular-nums;white-space:nowrap}
.occupancy-table caption{text-align:left;font-weight:700;font-size:16px;padding-bottom:18px;color:var(--ink)}
.occupancy-table th,.occupancy-table td{padding:12px 8px;text-align:right;border-bottom:1px solid var(--line)}
.occupancy-table th:first-child{text-align:left}.occupancy-table thead th{font-size:11px;color:var(--muted);font-weight:600}
.occupancy-table tbody th{font-weight:400}.occupancy-table .ours{background:#f4f7f8}.occupancy-table .ours th,.occupancy-table .ours td{font-weight:700;color:var(--ink)}
.occupancy-table tr:last-child>*{border-bottom:0}.occupancy-source{font-size:12px;color:var(--muted);margin-top:16px}
@media(max-width:1100px){.occupancy-tables{grid-template-columns:1fr}}
@media(max-width:700px){.hero-completion{margin-top:30px}.occupancy-table-wrap{padding:12px}.occupancy-table{font-size:11px}.occupancy-table th,.occupancy-table td{padding:10px 6px}}