:root{color-scheme:light;--paper:#fafbf9;--ink:#293036;font-family:"Segoe UI",Helvetica,Arial,sans-serif;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);overflow:hidden}
#world,.paper-grid,.center-haze{position:fixed;inset:0;width:100%;height:100%;pointer-events:none}
#world{z-index:0}.paper-grid{z-index:1;background-image:linear-gradient(90deg,rgba(77,91,94,.014) 1px,transparent 1px),linear-gradient(rgba(77,91,94,.012) 1px,transparent 1px);background-size:7px 7px}
.center-haze{z-index:2;background:radial-gradient(ellipse 23vw 10vh at 50% 25%,rgba(250,251,249,.92),rgba(250,251,249,.3) 65%,transparent 100%)}
header{position:fixed;z-index:5;top:25%;left:50%;transform:translate(-50%,-50%);pointer-events:none;white-space:nowrap}
.wordmark{margin:0;font-size:42px;font-weight:700;line-height:1.2;letter-spacing:-.045em;color:#293036}
.mission-panel{position:absolute;top:calc(25svh + 80px);left:50%;transform:translateX(-50%);width:min(540px,calc(100% - 48px));padding:28px 32px;border:1px solid rgba(112,130,133,.09);border-radius:14px;background:linear-gradient(135deg,rgba(255,255,255,.40),rgba(247,250,248,.20));box-shadow:inset 0 1px 0 rgba(255,255,255,.65),0 12px 40px rgba(65,82,79,.025);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);pointer-events:auto}
.mission-panel p{margin:0;font-size:18px;font-weight:400;line-height:1.7;letter-spacing:-.015em;color:#414b4f}
.typing-head{box-shadow:1px 0 0 #647b83}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:650px){.mission-panel{padding:24px 26px;top:calc(25svh + 68px)}.mission-panel p{font-size:16px;line-height:1.65}}
main{position:relative;z-index:3;min-height:100svh;pointer-events:none}footer{position:fixed;z-index:4;bottom:22px;left:32px;color:#747f84;font-size:10px;letter-spacing:.025em;pointer-events:none}.no-script{position:fixed;z-index:4;bottom:46px;left:32px;font-size:12px;color:#747f84}
@media(max-width:650px){.wordmark{font-size:37.5px}.center-haze{background:radial-gradient(ellipse 40vw 10vh at 50% 25%,#fafbf9df,transparent 100%)}footer{left:20px;bottom:18px;font-size:9px}.no-script{left:20px}}

/* Branching research index: normal flow preserves room for opened panels. */
body{overflow-x:hidden;overflow-y:auto}header{position:absolute;top:25svh}main{min-height:calc(100svh - 48px)}
.opening-content{width:min(540px,calc(100% - 48px));margin:0 auto;padding-top:calc(25svh + 80px);padding-bottom:44px}
.opening-content .mission-panel{position:relative;inset:auto;transform:none;width:100%}
.research-index{pointer-events:auto;margin-top:27px}button{font:inherit}button:focus-visible{outline:2px solid #68858e;outline-offset:5px}
.index-choices{display:flex;justify-content:center;gap:48px}.index-trigger{display:flex;align-items:center;gap:14px;padding:10px 0;border:0;background:none;color:#647276;font-size:13px;cursor:pointer;transition:color .2s}.index-trigger span{font-size:15px;transition:transform .3s}.index-trigger:hover,.index-trigger[aria-expanded=true]{color:#283d45}.index-trigger[aria-expanded=true] span{transform:rotate(45deg)}
.branch-panel{position:relative;margin-top:36px;padding:28px 30px;background:linear-gradient(135deg,rgba(255,255,255,.65),rgba(247,250,248,.5));border:1px solid rgba(112,130,133,.12);border-radius:14px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);animation:panel-arrive .45s ease both}.branch-panel[hidden]{display:none}
.branch-line{position:absolute;left:50%;top:-37px;height:36px;width:1px;background:linear-gradient(transparent,#8ba2a880);transform-origin:top;animation:branch-grow .4s ease both}.branch-line:after{content:'';position:absolute;bottom:-3px;left:-2px;width:5px;height:5px;border-radius:50%;background:#8ba2a8}
.panel-heading h2{font-size:23px;font-weight:500;letter-spacing:-.035em;margin:7px 0 24px}.eyebrow{font-size:10px;letter-spacing:.09em;color:#738389;text-transform:uppercase}.project-list article+article{border-top:1px solid #75858c20;margin-top:22px;padding-top:22px}.project-label{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:baseline;justify-content:space-between}.project-label h3{font-size:17px;font-weight:500;letter-spacing:-.025em;margin:0}.project-status{font-size:10px;color:#718187}.project-list p,.method-detail p{font-size:14px;line-height:1.65;color:#415258;margin:10px 0 0}.project-list .research-stage{font-size:12px;color:#748087;margin-top:7px}.panel-note{font-size:11px;line-height:1.6;color:#748087;border-top:1px solid #75858c20;padding-top:18px;margin:24px 0 0}
.method-steps{display:flex;flex-wrap:wrap;gap:7px 6px;margin-bottom:24px}.method-step{border:1px solid transparent;border-radius:20px;background:transparent;padding:7px 10px;font-size:11px;color:#728087;cursor:pointer}.method-step:hover{background:#e6eded60}.method-step[aria-pressed=true]{border-color:#82969e35;background:#e4eded80;color:#354d58}.method-detail{min-height:225px}.method-detail h3{font-size:22px;font-weight:400;letter-spacing:-.03em;margin:8px 0}.evidence-line{border-left:1px solid #8ba2a860;padding-left:15px;margin-top:22px}.evidence-line p{margin-top:6px;font-size:13px}
footer{position:relative;left:auto;bottom:auto;padding:0 32px 20px}
@keyframes panel-arrive{from{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:translateY(0)}}@keyframes branch-grow{from{transform:scaleY(0)}to{transform:scaleY(1)}}
@media(max-width:650px){.opening-content{padding-top:calc(25svh + 68px)}.branch-panel{padding:24px 22px}.index-choices{gap:36px}footer{left:auto;bottom:auto;padding:0 20px 18px}}
@media(prefers-reduced-motion:reduce){.branch-panel,.branch-line{animation:none}.index-trigger,.index-trigger span{transition:none}}
.project-page-link{color:inherit;text-decoration:none}.project-page-link span{font-size:13px;color:#82979f;margin-left:8px}.project-page-link:hover{color:#396575}.project-page-link:focus-visible{outline:2px solid #68858e;outline-offset:5px}
/* The selected homepage has no caption footer; retain its original viewport balance. */
body:has(.opening-content):not(:has(footer)) main{min-height:100svh}

.index-trigger,.method-step{min-height:44px;min-width:44px}.project-list a{display:inline-flex;align-items:center;min-height:44px}.branch-panel{scroll-margin-top:24px}@media(max-width:420px){.mission-panel{padding:22px}.branch-panel{padding:24px 18px}.index-choices{gap:12px}.method-steps{gap:5px}}

/* Directional neural signal: selected branch leads into the revealed content. */
.research-index{position:relative}
.index-signal{position:absolute;top:44px;width:160px;height:36px;transform:translateX(-50%);pointer-events:none}
.index-signal svg{width:100%;height:100%;overflow:visible;fill:none;stroke-linecap:round}
.signal-fiber{stroke:rgba(83,105,116,.25);stroke-width:1}
.signal-pulse{stroke:#4f859d;stroke-width:2;stroke-dasharray:12 88;animation:index-conduct 1.4s ease-in-out 3}
.index-below{position:fixed;z-index:8;bottom:max(20px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);min-height:44px;padding:10px 20px;border:1px solid #82969e45;border-radius:28px;background:#fafbf9ed;color:#3e6574;box-shadow:0 3px 22px #52697312;font-size:12px;white-space:nowrap;cursor:pointer;backdrop-filter:blur(12px)}
.index-signal[hidden],.index-below[hidden]{display:none}
@keyframes index-conduct{from{stroke-dashoffset:12;opacity:0}20%{opacity:1}85%{opacity:1}to{stroke-dashoffset:-100;opacity:0}}
@media(prefers-reduced-motion:reduce){.signal-pulse{animation:none;stroke-dasharray:none;opacity:.5}}
/* Stronger navigation excitation, retaining the pale field. */
.signal-fiber{stroke:rgba(65,111,130,.48);stroke-width:1.5}
.signal-pulse{stroke:#31708c;stroke-width:3;filter:drop-shadow(0 0 4px #72a6b8);stroke-dasharray:24 76}
.index-trigger[aria-expanded=true]{color:#245b70;font-weight:600}
.index-below{border-color:#53879b80;color:#245b70;font-size:14px;font-weight:600;box-shadow:0 0 24px #72a6b833}
@media(prefers-reduced-motion:reduce){.signal-pulse{filter:none}}
.signal-spread{animation-delay:.45s;stroke-width:2;opacity:0}
.home-utility{position:absolute;z-index:6;top:18px;right:24px;display:flex;gap:18px;font-size:12px}
.home-utility a{display:inline-flex;align-items:center;min-height:44px;color:#526970;text-decoration:none}
.home-utility a:focus-visible,.collaboration a:focus-visible{outline:2px solid #426975;outline-offset:4px}
.home-skip{position:fixed;top:-100px;left:16px;z-index:20;padding:14px;background:#fff;color:#245b70}.home-skip:focus{top:8px}
.project-status,.panel-note,.project-list .research-stage,.eyebrow{color:#536970}
.collaboration{pointer-events:auto;max-width:540px;margin:60px auto 0;padding:32px 24px 48px;border-top:1px solid #83989e30;scroll-margin-top:28px}
.collaboration h2{font-size:22px;font-weight:500;letter-spacing:-.025em}.collaboration p{font-size:14px;line-height:1.8;color:#526970}.collaboration a{display:inline-flex;min-height:44px;align-items:center;color:#426975;font-size:13px}.contact-pending{font-size:12px!important}
@media(max-width:420px){.home-utility{right:24px;justify-content:flex-end;font-size:11px}.collaboration{margin-left:24px;margin-right:24px;padding-left:0;padding-right:0}}
@media(prefers-reduced-motion:reduce){.signal-spread{opacity:.5}}