:root{--bg:#080808;--fg:#f4f3f7;--muted:#a7a5ad;--line:#5d5b63;--accent:#9567ff;--mono:"Space Mono",monospace;--sans:"DM Sans",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--mono);font-size:14px;line-height:1.65}.skip{position:fixed;left:16px;top:-60px;background:var(--fg);color:var(--bg);padding:8px 12px;z-index:20}.skip:focus{top:16px}a{color:inherit;text-decoration:none}.site-header,.section,.site-footer{width:min(1320px,calc(100% - 64px));margin:0 auto}.site-header{height:88px;display:flex;align-items:center;border-bottom:1px solid var(--line);position:relative;z-index:10}.wordmark{font:600 24px/1 var(--sans);letter-spacing:-.5px}.site-header nav{margin-left:auto;display:flex;gap:48px}.site-header nav a,.site-footer nav a{position:relative}.site-header nav a::after{content:"";position:absolute;left:0;right:100%;bottom:-9px;height:1px;background:var(--accent);transition:right .25s}.site-header nav a:hover::after,.site-header nav a.active::after{right:0}.site-header nav a.active{color:var(--accent)}.menu{display:none}.section{position:relative;padding:64px 0 72px}.hero{height:min(720px,calc(100vh - 88px));min-height:590px;display:flex;align-items:center;overflow:hidden}.hero-copy{position:relative;z-index:2;width:52%}.hero h1{font:500 clamp(56px,6.1vw,94px)/.99 var(--sans);letter-spacing:-.055em;margin:0 0 40px}.hero p{color:var(--muted);font-size:16px;max-width:610px;margin:0 0 38px}.arrow-link{display:inline-flex;gap:24px;align-items:center;padding-bottom:5px;border-bottom:1px solid var(--fg)}.arrow-link span{font-size:23px}#sound-field{position:absolute;inset:0 0 0 38%;width:62%;height:100%;opacity:.95}.signal-note{position:absolute;right:2%;bottom:13%;color:var(--muted);font:12px/1.45 var(--mono);margin:0}.ruled{border-top:1px solid var(--line)}.section-index{text-transform:uppercase;color:var(--muted);font-size:12px;letter-spacing:.06em;display:flex;justify-content:space-between;margin-bottom:44px}.research-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:9vw;align-items:center}.section h2{font:500 clamp(44px,5vw,72px)/1 var(--sans);letter-spacing:-.045em;margin:0 0 12px}.subtitle{font-size:14px;color:var(--fg);margin:0 0 30px}.body-copy{color:var(--muted);max-width:610px;font-size:14px;margin:0 0 40px}.model-map{min-height:260px;display:flex;align-items:center;justify-content:flex-end;position:relative}.inputs{display:flex;flex-direction:column;gap:18px;text-align:right;padding-right:28px}.inputs span{font-size:11px}.connector{width:42px;height:124px;border-right:1px solid var(--muted);border-top:1px solid transparent;border-bottom:1px solid transparent;position:relative}.connector::after{content:"";position:absolute;right:-34px;top:61px;width:34px;border-top:1px solid var(--muted)}.model{border:1px solid var(--accent);color:var(--accent);padding:27px 22px;font-weight:700}.model-arrow{font-size:28px;color:var(--accent);padding:0 18px}.output{display:flex;flex-direction:column;gap:15px;text-align:center}.output span{font-size:11px}.output i{width:92px;height:44px;background:repeating-linear-gradient(90deg,transparent 0 3px,var(--fg) 4px 5px);clip-path:polygon(0 45%,8% 30%,14% 65%,20% 15%,26% 80%,32% 25%,38% 65%,44% 10%,50% 86%,56% 20%,62% 72%,68% 34%,74% 78%,80% 22%,86% 68%,92% 38%,100% 55%,100% 65%,92% 55%,86% 80%,80% 36%,74% 90%,68% 46%,62% 83%,56% 32%,50% 98%,44% 22%,38% 76%,32% 38%,26% 90%,20% 28%,14% 78%,8% 42%,0 58%)}.demo-title{max-width:800px}.demo-intro{margin-bottom:48px}.player{display:grid;grid-template-columns:260px 1fr;grid-template-rows:auto auto;gap:20px 40px;border-left:1px solid var(--line);padding-left:32px;margin-left:22%}.track-meta{display:flex;gap:20px;color:var(--accent)}.waveform{height:86px;display:flex;align-items:center;gap:3px}.waveform i{display:block;width:2px;background:var(--fg);opacity:.85}.waveform i:nth-child(-n+14){background:var(--accent)}.play{grid-column:1;background:none;border:0;color:var(--fg);padding:0;width:28px;cursor:pointer}.play svg{width:24px;fill:currentColor}.time{grid-column:1;margin-left:45px;margin-top:-46px;color:var(--muted);font-size:11px}.progress{grid-column:2;height:20px;position:relative;cursor:pointer}.progress::before{content:"";position:absolute;left:0;right:0;top:9px;border-top:1px solid var(--line)}.progress i{position:absolute;left:0;top:9px;width:0;border-top:1px solid var(--accent)}.join-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:8vw}.join-grid h2{font-size:clamp(39px,4vw,62px);line-height:1.08}.join-action{border-left:1px solid var(--line);padding:38px 0 38px 7vw}.join-action a{font-size:clamp(20px,2.2vw,32px);color:var(--accent)}.join-action p{color:var(--muted);margin-top:16px}.site-footer{min-height:130px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:42px}.site-footer strong{font:600 22px var(--sans)}.site-footer>span{color:var(--muted);font-size:11px}.site-footer nav{display:flex;gap:28px;font-size:11px}
@media(max-width:800px){.site-header,.section,.site-footer{width:calc(100% - 36px)}.site-header{height:72px}.menu{display:block;margin-left:auto;background:none;border:0;color:var(--fg);font:12px var(--mono)}.site-header nav{position:absolute;top:72px;left:-18px;right:-18px;margin:0;padding:24px 18px;background:var(--bg);border-bottom:1px solid var(--line);flex-direction:column;gap:22px;display:none}.site-header nav.open{display:flex}.hero{height:auto;min-height:700px;align-items:flex-start;padding-top:100px}.hero-copy{width:100%}.hero h1{font-size:clamp(48px,14vw,68px)}#sound-field{inset:auto -35% 20px 10%;width:125%;height:46%}.signal-note{display:none}.research-grid,.join-grid{grid-template-columns:1fr}.research-grid{gap:50px}.model-map{justify-content:center;transform:scale(.82);transform-origin:center}.player{margin-left:0;grid-template-columns:1fr;padding-left:18px}.track-meta,.waveform,.progress{grid-column:1}.time{grid-column:1}.join-action{border-left:0;border-top:1px solid var(--line);padding:34px 0}.site-footer{grid-template-columns:1fr auto}.site-footer>span{display:none}.site-footer nav{display:none}.section{padding:48px 0 58px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.project-row{padding:12px 0 56px}.heartmula-row{border-top:1px solid #28272c;padding-top:56px}.paper-status{display:block;color:var(--accent);font-size:11px;text-transform:uppercase;letter-spacing:.08em;margin-bottom:15px}.disabled-link{color:var(--muted);border-color:var(--muted);cursor:default}.heart-mark{min-height:250px;display:flex;align-items:center;justify-content:center;font:500 clamp(42px,5vw,74px)/1 var(--sans);letter-spacing:-.05em;position:relative}.mula-word{color:var(--accent)}.heart-signal{position:absolute;width:75%;height:1px;background:var(--line)}.heart-signal::after{content:"";position:absolute;left:50%;top:-38px;width:1px;height:76px;background:var(--accent);transform:skew(-24deg)}.heart-word,.mula-word{position:relative;z-index:1;background:var(--bg);padding:0 5px}.join-label{font-size:clamp(20px,2.2vw,32px);color:var(--accent)}