@font-face{font-family:Open Sans;src:url(fonts/OpenSans-Regular.ttf);font-weight:400;font-display:swap}@font-face{font-family:Open Sans;src:url(fonts/OpenSans-Semibold.ttf);font-weight:600;font-display:swap}
:root{color-scheme:light dark;--bg:#fcfcfa;--ink:#172622;--muted:#586b63;--line:#dce4df;--accent:#167261;--soft:#f0f5f1;--card:#fff;--baseline:#93a79f;--bar-label:#15231e;--header-height:65px}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#111916;--ink:#edf4ee;--muted:#adbbb3;--line:#34463c;--accent:#8cdec2;--soft:#1b2922;--card:#18231d;--baseline:#8d9e95;--bar-label:#10281f}}
:root[data-theme=dark]{color-scheme:dark;--bg:#111916;--ink:#edf4ee;--muted:#adbbb3;--line:#34463c;--accent:#8cdec2;--soft:#1b2922;--card:#18231d;--baseline:#8d9e95;--bar-label:#10281f}:root[data-theme=light]{color-scheme:light}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:var(--header-height)}body{margin:0;background:var(--bg);color:var(--ink);font:1rem/1.75 'Open Sans',sans-serif}a{color:inherit;text-decoration-color:var(--line);text-underline-offset:4px}a:hover{color:var(--accent);text-decoration-color:currentColor}button,select{font:inherit}button,a,select{-webkit-tap-highlight-color:transparent}:focus-visible{outline:2px solid var(--accent);outline-offset:4px}[hidden]{display:none!important}.shell{width:min(1080px,calc(100% - 64px));margin-inline:auto}.sr-only,.skip:not(:focus){position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.skip:focus{position:fixed;top:8px;left:10px;z-index:30;background:var(--bg);padding:10px}
.site-header{position:sticky;top:0;background:var(--bg);z-index:10;border-bottom:1px solid var(--line)}.header-inner{min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px}.home{font-size:0.9375rem;font-weight:600;text-decoration:none}.home span{color:var(--muted);font-weight:400;margin-left:8px}.theme-label{display:flex;align-items:center;gap:6px}.theme-label svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.5}.theme-label select{height:42px;color:var(--ink);background:var(--bg);border:0;padding:5px;font-size:0.8125rem}
.hero{padding:42px 0 30px;max-width:900px}.eyebrow{color:var(--accent);font-size:0.8125rem;letter-spacing:.1em;text-transform:uppercase;font-weight:600;margin:0 0 14px}h1{font-size:clamp(2.125rem,1.4rem + 3vw,3.375rem);line-height:1.16;letter-spacing:-.045em;font-weight:600;margin:0 0 18px}h1 span{color:var(--accent)}.subtitle{font-size:clamp(1rem,.85rem + .7vw,1.3125rem);letter-spacing:-.02em;margin:0 0 9px}.lead{color:var(--muted);max-width:60ch;margin:0 0 24px}.authors{margin:0;font-size:0.9375rem}.authors span{color:var(--muted);margin:0 7px}.affiliation{font-size:0.8125rem;color:var(--muted);margin:5px 0 16px}.meta{display:flex;gap:10px 22px;flex-wrap:wrap;font-size:0.8125rem;color:var(--muted)}.meta span{padding-left:10px;border-left:2px solid var(--line)}.resources{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}.resources a{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;border:1px solid var(--line);border-radius:7px;padding:8px 16px;font-size:0.8125rem;font-weight:600;text-decoration:none;background:var(--card)}.resources a.primary{background:var(--ink);color:var(--bg);border-color:var(--ink)}.resources a:hover{border-color:var(--accent)}.resources svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.resources span{font-weight:400}
.section-nav{display:flex;gap:28px;position:sticky;top:var(--header-height);z-index:9;background:var(--bg);border-bottom:1px solid var(--line);overflow-x:auto}.section-nav a{flex:0 0 auto;padding:14px 0 13px;font-size:0.9375rem;text-decoration:none;border-bottom:2px solid transparent;color:var(--muted)}.section-nav a[aria-selected=true]{color:var(--ink);border-color:var(--accent);font-weight:600}.panel{padding:38px 0 30px;scroll-margin-top:64px}.section-intro{max-width:73ch;margin-bottom:30px}.section-intro .eyebrow{margin-bottom:8px}h2{font-size:clamp(1.4375rem,1.1rem + 1.4vw,1.875rem);line-height:1.3;letter-spacing:-.025em;font-weight:600;margin:0 0 14px}h3{font-size:1rem;font-weight:600;line-height:1.45;margin:0 0 12px}p{margin:0 0 16px}.section-intro>p:not(.eyebrow),.prose p{color:var(--muted);font-size:0.9375rem}.overview-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center}.concept{background:var(--soft);border:1px solid var(--line);border-radius:14px;padding:18px}.concept p{margin:6px 0 0;font-size:0.8125rem;color:var(--muted);text-align:center}.overview-diagram{display:block;width:100%;height:auto;color:var(--muted)}.overview-diagram text{fill:var(--ink);font-size:15px;font-family:inherit}.overview-diagram .muted-svg{fill:var(--muted);font-size:11px}.wall{stroke:var(--muted);stroke-width:7;stroke-linecap:round;fill:none;opacity:.4}.route{stroke:var(--accent);stroke-width:2.5;stroke-dasharray:5 5;fill:none}.vision{fill:var(--accent);opacity:.1}.drone,.rover{stroke:var(--accent);stroke-width:2;fill:var(--bg);stroke-linecap:round}.target{fill:var(--accent)}.target-ring{stroke:var(--accent);fill:none;opacity:.4}.exchange{stroke:var(--muted);stroke-width:1.5;stroke-dasharray:4 5;fill:none}.demo{margin:34px 0 0;scroll-margin-top:64px}.figure-heading{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:12px}.figure-heading h3{margin:0}.figure-heading>span{font-size:0.8125rem;color:var(--muted)}video{width:100%;aspect-ratio:16/9;background:#121815;border:1px solid var(--line);border-radius:10px;display:block}figcaption,.source-note{font-size:0.8125rem;line-height:1.7;color:var(--muted);margin:12px 0 0;max-width:100ch}
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}.steps li{border-top:1px solid var(--line);padding:18px 0}.step-number{font-size:0.8125rem;color:var(--accent);display:block;margin-bottom:16px}.steps p,.strategy-grid p,.findings-grid p{font-size:0.9375rem;color:var(--muted);margin:0}.subheading{margin:24px 0 18px}.strategy-grid,.resource-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.strategy-grid article,.resource-card{padding:22px;background:var(--soft);border:1px solid var(--line);border-radius:10px}.strategy-label,.resource-card>span{font-size:0.8125rem;text-transform:uppercase;letter-spacing:.06em;color:var(--accent);display:block;margin-bottom:10px}.results{margin:0;border:1px solid var(--line);border-radius:12px;padding:24px;background:var(--card)}.legend{display:flex;gap:20px;flex-wrap:wrap;font-size:0.8125rem;color:var(--muted);margin:20px 0}.legend span{display:inline-flex;align-items:center;gap:6px}.legend i{width:10px;height:10px;border-radius:2px}.baseline{background:var(--baseline)}.cooperative{background:var(--accent)}.bar-chart{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.bar-group strong{display:block;font-size:0.8125rem;font-weight:600;margin:0 0 10px}.bar{width:calc(var(--value)/35 * 100%);height:30px;border-radius:0 4px 4px 0;margin-bottom:7px;display:flex;align-items:center;justify-content:flex-end;padding-right:8px;font-size:0.8125rem;font-weight:600;color:var(--bar-label)}:root:not([data-theme=dark]) .bar.cooperative{color:white}@media(prefers-color-scheme:dark){:root:not([data-theme=light]) .bar.cooperative{color:#10281f}}:root[data-theme=dark] .bar.cooperative{color:#10281f}table{border-collapse:collapse;width:100%;font-size:0.8125rem;margin-top:24px}caption{text-align:left;font-size:0.8125rem;color:var(--muted);margin-bottom:10px}th,td{padding:9px 10px;border-bottom:1px solid var(--line);text-align:right;font-variant-numeric:tabular-nums}th:first-child{text-align:left;padding-left:0}th{font-weight:600}td:last-child{color:var(--accent)}.findings-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;margin-top:28px}.resource-card{text-decoration:none;transition:border-color .15s}.resource-card:hover{border-color:var(--accent)}.resource-card h3{font-size:1rem}.resource-card p{font-size:0.8125rem;color:var(--muted);margin:0}.credits{margin-top:30px}dl{margin:0}dl>div{display:grid;grid-template-columns:115px minmax(0,1fr);gap:20px;font-size:0.8125rem;padding:8px 0;border-bottom:1px solid var(--line)}dt{color:var(--muted)}dd{margin:0}details{margin-top:28px;border:1px solid var(--line);border-radius:8px;padding:16px 20px;font-size:0.9375rem}summary{cursor:pointer;font-weight:600}details[open] summary{margin-bottom:16px}footer{display:flex;justify-content:space-between;gap:15px;border-top:1px solid var(--line);padding-block:22px;margin-top:20px!important;font-size:0.8125rem;color:var(--muted)}
@media(max-width:760px){.shell{width:calc(100% - 36px)}.hero{padding-top:36px}.home span{display:none}.overview-grid{grid-template-columns:1fr;gap:20px}.concept{max-width:540px}.steps{grid-template-columns:repeat(2,minmax(0,1fr))}.strategy-grid,.resource-grid{grid-template-columns:1fr}.bar-chart{grid-template-columns:1fr;gap:16px}.bar-group{max-width:440px}.findings-grid{grid-template-columns:1fr;gap:24px}.section-nav{justify-content:space-between;gap:18px}.section-nav a{font-size:0.8125rem}.figure-heading{align-items:start;flex-direction:column;gap:4px}.results{padding:18px}th,td{padding:8px 4px;font-size:0.8125rem}.meta{gap:8px 12px}.resources a{padding:8px 11px}.panel{padding-top:28px}footer{flex-direction:column;gap:5px}dl>div{grid-template-columns:85px minmax(0,1fr);gap:10px}}
@media(max-width:360px){.steps{grid-template-columns:1fr}.resources{gap:7px}.resources a{font-size:0.8125rem}.shell{width:calc(100% - 28px)}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}@media print{.site-header,.section-nav,video{display:none}.panel[hidden]{display:block!important}.shell{width:100%}.hero{padding-top:0}.results,.concept{break-inside:avoid}}
.prose :not(pre)>code{overflow-wrap:anywhere}pre{max-width:100%;font-size:0.8125rem}