/* "Kinematic for Research and data visualization" (tools/gen_for_research.py). Loaded after signal.css, sub.css
   and fields.css. A hero with the data clip and the CSV it came from, the jobs as a breakdown, four bands, files,
   gear and code, tutorials and demos, the honest gaps and the close. --accent / --accent2 are the field's pair. */

/* ── hero ── */
.fr-hero{position:relative;padding-block:calc(var(--barh) + var(--navh) + 46px) 60px;overflow:hidden}
.fr-hero canvas{position:absolute;inset:0;width:100%;height:100%}
.fr-hero .wrap{position:relative;display:grid;grid-template-columns:minmax(0,5.2fr) minmax(0,6.8fr);gap:clamp(28px,4.5vw,76px);align-items:center}
.fr-hero h1{font-size:clamp(46px,5.4vw,88px);line-height:.93;letter-spacing:-.055em}
.fr-hero h1 i{font-style:normal;display:block;background:linear-gradient(90deg,#9A5BFF,#7A7BFF 40%,#30B9FE 75%,#FFD27A);-webkit-background-clip:text;background-clip:text;color:transparent;padding-bottom:.06em}
.fr-sub{margin-top:24px;font-size:clamp(18px,1.4vw,21px);line-height:1.47;max-width:590px}
.fr-hero .ctas{margin-top:26px}
.fr-meta{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:24px;color:var(--mute);font-size:12.5px}
.fr-meta span{display:flex;align-items:center;gap:8px}
.fr-meta i{width:7px;height:7px;border-radius:50%;background:var(--c);flex:none}
.fr-hero .jump{margin-top:26px}
.fr-stage{position:relative;min-width:0;padding-bottom:64px}
.fr-stage::before{content:"";position:absolute;inset:-14% -10% -6% -6%;background:radial-gradient(closest-side,rgba(154,91,255,.18),transparent);pointer-events:none}
.fr-hf{position:relative;margin:0;aspect-ratio:16/10;border:1px solid var(--line-2);border-radius:8px;overflow:hidden;background:#0A0C12;box-shadow:0 30px 80px rgba(0,0,0,.55)}
.fr-hf video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.fr-hf figcaption{position:absolute;left:10px;top:10px;font-family:var(--mono);font-size:10.5px;line-height:1.35;background:rgba(6,8,11,.84);color:var(--fg);padding:3px 7px;border-radius:2px;max-width:min(360px,calc(100% - 20px))}
.fr-csv{position:absolute;left:-22px;bottom:0;z-index:2;background:rgba(9,11,16,.94);border:1px solid var(--line-2);border-radius:7px;padding:12px 14px 10px;box-shadow:0 20px 50px rgba(0,0,0,.6);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.fr-csvh{display:flex;justify-content:space-between;gap:18px;align-items:baseline;margin-bottom:8px;font-size:11px}
.fr-csvh b{color:var(--fg);font-weight:500}
.fr-csvh span{color:var(--accent)}
.fr-csv table{border-collapse:collapse;font-size:11px;line-height:1.55}
.fr-csv th{color:#FFD27A;font-weight:500;text-align:right;padding:0 0 3px 14px;border-bottom:1px solid var(--line-2)}
.fr-csv td{color:var(--mute);text-align:right;padding:1px 0 0 14px;font-variant-numeric:tabular-nums}
.fr-csv th:first-child,.fr-csv td:first-child{padding-left:0}
.fr-csv tr.more td{color:var(--dim);text-align:left;padding-top:4px}
.fr-note{position:absolute;right:0;bottom:22px;color:var(--dim);font-size:11px;text-align:right;max-width:46%}

/* ── the work: a breakdown ── */
.fr-work{border-top:0}
.fr-bd{border-top:1px solid var(--line-2)}
.fr-bdh,.fr-job{display:grid;grid-template-columns:minmax(0,4.4fr) minmax(0,5.2fr) minmax(0,2.4fr);gap:clamp(20px,3vw,44px)}
.fr-bdh{padding:12px 0;border-bottom:1px solid var(--line);color:var(--dim);font-size:11px;letter-spacing:.06em;text-transform:uppercase}
.fr-job{padding:clamp(22px,2.6vw,34px) 0;border-bottom:1px solid var(--line);align-items:start;scroll-margin-top:calc(var(--barh) + var(--navh) + 70px)}
.fr-jf{position:relative;margin:0;aspect-ratio:16/10;border:1px solid var(--line-2);border-radius:6px;overflow:hidden;background:#000;min-width:0}
.fr-jf img,.fr-jf video{width:100%;height:100%;object-fit:cover;display:block}
.fr-jf > figcaption,.fr-pair figcaption{position:absolute;left:8px;top:8px;font-family:var(--mono);font-size:10.5px;line-height:1.35;background:rgba(6,8,11,.84);color:var(--fg);padding:3px 7px;border-radius:2px;max-width:calc(100% - 16px)}
.fr-jf.tr > figcaption{left:auto;right:8px;max-width:min(300px,calc(100% - 16px))}
.fr-pair{display:grid;grid-template-columns:1.18fr 1fr;gap:1px;background:#0A0C12}
.fr-pair figure{position:relative;margin:0;min-width:0;background:#0A0C12}
.fr-pair img{object-fit:contain}
.fr-pair figure + figure{border-left:1px solid var(--line)}
.fr-pair figcaption{top:auto;bottom:8px}
.fr-runs{aspect-ratio:auto;border:0;background:none;overflow:visible;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.fr-runs figure{margin:0;display:flex;flex-direction:column;gap:7px;min-width:0}
.fr-runs img{aspect-ratio:1/1;border:1px solid var(--line-2);border-radius:6px;background:#0A0C12;height:auto}
.fr-runs figcaption{font-size:11px;color:var(--mute);text-align:center}
.fr-jt{display:flex;flex-direction:column;gap:12px;min-width:0}
.fr-n{color:var(--accent);display:flex;align-items:center;gap:10px;font-size:12px}
.fr-n::after{content:"";height:1px;width:36px;background:linear-gradient(90deg,var(--accent),var(--accent2))}
.fr-jt h3{font-size:clamp(24px,2.2vw,34px);letter-spacing:-.035em;line-height:1.04}
.fr-jt p{color:var(--mute);font-size:16px;line-height:1.55;max-width:560px}
.fr-jt .pills{font-size:11px}
.fr-jo{display:flex;flex-direction:column;gap:10px;padding-left:clamp(16px,1.6vw,24px);border-left:1px solid var(--line);min-width:0;align-self:stretch}
.fr-jo > .mono{color:var(--dim);font-size:11px;letter-spacing:.06em;text-transform:uppercase}
.fr-jo b{font-family:var(--display);font-weight:600;font-size:clamp(18px,1.45vw,21px);letter-spacing:-.02em;line-height:1.2}
.fr-jo .fr-more{margin-top:6px;font-size:14px}
.fr-more{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;color:var(--fg);border-bottom:1px solid var(--line-2);padding-bottom:3px;align-self:flex-start}
.fr-more span{color:var(--accent);transition:transform .2s}
.fr-more:hover span{transform:translateX(3px)}

/* code */
.fr-code{margin:2px 0 0;padding:15px 17px;border:1px solid var(--line-2);border-radius:6px;background:#05070a;overflow-x:auto;font-family:var(--mono);font-size:12.5px;line-height:1.75;color:var(--fg);white-space:pre;max-width:100%}
.fr-code .d{color:var(--accent);user-select:none}
.fr-code .f{color:#9FD3FF}
.fr-code .s{color:#FFD27A}
.fr-code .c{color:var(--dim)}
.fr-code .k{color:#C49BFF}
.fr-code .n{color:#7FE3C4}

/* ── showcase bands ── */
.fr-shows{border-top:1px solid var(--line)}
.fr-show{display:grid;grid-template-columns:minmax(0,4.4fr) minmax(0,7.6fr);gap:clamp(28px,4.5vw,72px);align-items:start;padding-block:clamp(52px,6vw,96px);border-bottom:1px solid var(--line);scroll-margin-top:calc(var(--barh) + var(--navh) + 70px)}
.fr-show.flip{grid-template-columns:minmax(0,7.6fr) minmax(0,4.4fr)}
.fr-show.flip .fr-st{order:2}
.fr-st{display:flex;flex-direction:column;gap:18px;min-width:0}
.fr-st .eyebrow{color:var(--c);margin:0;display:flex;align-items:center;gap:10px}
.fr-st .eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--c)}
.fr-st h2{font-size:clamp(36px,4vw,62px);line-height:.98;letter-spacing:-.045em}
.fr-sp{font-size:clamp(17px,1.3vw,19.5px);line-height:1.5;color:var(--fg);max-width:560px}
.fr-feat{list-style:none;display:grid;gap:12px;margin-top:4px}
.fr-feat li{display:flex;flex-direction:column;gap:7px;padding-left:18px;position:relative;color:var(--mute);font-size:15.5px;line-height:1.45}
.fr-feat li::before{content:"";position:absolute;left:0;top:.6em;width:8px;height:2px;border-radius:1px;background:var(--c)}
.fr-feat .pills{font-size:11px}
.fr-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.fr-links a{font-size:14px;color:var(--mute);border:1px solid var(--line-2);border-radius:3px;padding:6px 11px;transition:color .2s,border-color .2s}
.fr-links a span{color:var(--c)}
.fr-links a:hover{color:var(--fg);border-color:var(--c)}
.fr-mos{display:grid;gap:10px;min-width:0;position:sticky;top:calc(var(--barh) + var(--navh) + 84px)}
.fr-mos.wide{grid-template-columns:1fr 1fr}
.fr-mos.wide > :first-child{grid-column:1/-1;aspect-ratio:16/10}
.fr-mos.wide > :not(:first-child){aspect-ratio:16/10}
.fr-mos.tall{grid-template-columns:9fr 11fr;grid-template-rows:1fr 1fr;aspect-ratio:20/15}
.fr-mos.tall > :first-child{grid-row:1/3}
.fr-f{position:relative;margin:0;border:1px solid var(--line-2);border-radius:6px;overflow:hidden;background:#000;min-width:0;min-height:0}
.fr-f img,.fr-f video{width:100%;height:100%;object-fit:cover;display:block}
.fr-f figcaption{position:absolute;left:8px;bottom:8px;font-family:var(--mono);font-size:10.5px;line-height:1.35;background:rgba(6,8,11,.84);color:var(--fg);padding:3px 7px;border-radius:2px;max-width:calc(100% - 16px)}

/* ── files, gear and code ── */
.fr-fit{border-top:1px solid var(--line)}
.fr-io{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.fr-io > div{display:flex;flex-direction:column;gap:14px;padding:clamp(20px,2.2vw,28px);border:1px solid var(--line);border-radius:8px;background:var(--ink-2);min-width:0}
.fr-io h3{display:flex;align-items:center;gap:10px;font-size:clamp(22px,1.9vw,28px);letter-spacing:-.03em}
.fr-io h3 i{width:9px;height:9px;border-radius:50%;background:var(--c);flex:none}
.fr-io .chips span{font-size:11.5px;color:var(--mute)}
.fr-io .fr-more span{color:var(--c)}
.fr-two{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
.fr-card{display:flex;flex-direction:column;gap:14px;padding:clamp(20px,2.4vw,32px);border:1px solid var(--line);border-radius:8px;background:var(--ink-2);min-width:0}
.fr-card h3{font-size:clamp(26px,2.4vw,36px);letter-spacing:-.04em;line-height:1.02}
.fr-card > p{color:var(--mute);font-size:16px;line-height:1.55}
.fr-card .fr-code{font-size:12px}
.fr-cli{list-style:none;display:grid;border-top:1px solid var(--line)}
.fr-cli li{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7.6fr);gap:14px;align-items:baseline;padding:9px 0;border-bottom:1px solid var(--line)}
.fr-cli code{font-family:var(--mono);font-size:12px;color:var(--accent)}
.fr-cli span{color:var(--mute);font-size:14px;line-height:1.4}
.fr-card .fr-more{margin-top:auto}
.fr-cmp{display:grid;gap:8px;margin-top:auto;padding-top:6px}
.fr-cmp > span{color:var(--dim);font-size:11px;letter-spacing:.06em;text-transform:uppercase}
.fr-cmp a{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 14px;border:1px solid var(--line-2);border-radius:6px;background:rgba(255,255,255,.015);transition:border-color .2s}
.fr-cmp a:hover{border-color:var(--c)}
.fr-cmp b{display:flex;align-items:center;gap:8px;font-family:var(--display);font-weight:600;font-size:16.5px;letter-spacing:-.02em}
.fr-cmp b i{width:7px;height:7px;border-radius:50%;background:var(--c)}
.fr-cmp a span{color:var(--mute);font-size:13.5px;text-align:right}

/* ── tutorials and demos ── */
.fr-start{border-top:1px solid var(--line)}
.fr-sub2{font-size:clamp(22px,1.9vw,28px);letter-spacing:-.03em;margin-bottom:16px}
.fr-dh{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap;margin-top:clamp(36px,4vw,56px)}
.fr-dh h3{font-size:inherit;letter-spacing:inherit}
.fr-lessons{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.fr-demos{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.fr-lc,.fr-dc{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:7px;overflow:hidden;background:var(--ink-2);transition:border-color .2s,transform .2s;min-width:0}
.fr-lc:hover{border-color:var(--c);transform:translateY(-2px)}
.fr-dc:hover{border-color:var(--accent);transform:translateY(-2px)}
.fr-lp,.fr-dp{position:relative;display:block;aspect-ratio:16/10;background:#000;overflow:hidden}
.fr-lp img,.fr-dp img{width:100%;height:100%;object-fit:cover;display:block}
.fr-lb,.fr-db{display:flex;flex-direction:column;gap:8px;padding:16px 16px 18px;flex:1}
.fr-lb em{font-style:normal;display:flex;align-items:center;gap:7px;color:var(--mute);font-size:11px}
.fr-lb em i{width:6px;height:6px;border-radius:50%;background:var(--c);flex:none}
.fr-lb b,.fr-db b{font-family:var(--display);font-weight:600;font-size:18px;letter-spacing:-.02em;line-height:1.15}
.fr-lb > span,.fr-db > span{color:var(--mute);font-size:14.5px;line-height:1.45}
.fr-needs{position:absolute;right:8px;top:8px;font-size:10.5px;background:rgba(6,8,11,.84);color:var(--fg);padding:3px 7px;border-radius:2px}
.fr-db em{font-style:normal;color:var(--fg);margin-top:auto;padding-top:4px;font-size:11.5px}

/* ── what it does not yet do ── */
.fr-gaps{border-top:1px solid var(--line)}
.fr-ahead{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px,5vw,80px);align-items:start}
.fr-ahead .h2{font-size:clamp(34px,3.8vw,58px)}
.fr-ahead .lede a{color:var(--fg);border-bottom:1px solid var(--line-2)}
.fr-al{list-style:none;display:grid;border:1px dashed var(--line-2);border-radius:8px;padding:6px 22px}
.fr-al li{display:grid;grid-template-columns:minmax(0,4.4fr) minmax(0,7.6fr);gap:16px;padding:15px 0;border-bottom:1px solid var(--line)}
.fr-al li:last-child{border-bottom:0}
.fr-al b{font-family:var(--display);font-weight:600;font-size:clamp(17px,1.4vw,20px);letter-spacing:-.02em;line-height:1.2}
.fr-al span{color:var(--mute);font-size:15px;line-height:1.5}

/* ── the close ── */
.fr-close{border-top:1px solid var(--line)}
.band.fr-end{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:clamp(24px,4vw,60px);align-items:center;margin-top:0;padding:clamp(24px,3vw,40px);background:linear-gradient(120deg,rgba(154,91,255,.13),rgba(48,185,254,.05) 60%,transparent),var(--ink-2)}
.fr-et{display:flex;flex-direction:column;gap:10px}
.fr-et .eyebrow{color:var(--accent);margin:0}
.band.fr-end h3{font-size:clamp(32px,3.6vw,54px);line-height:.98;letter-spacing:-.045em}
.band.fr-end p{max-width:520px;font-size:17px}
.fr-et .ctas{margin-top:14px}
.fr-ef{position:relative;margin:0;aspect-ratio:16/10;border:1px solid var(--line-2);border-radius:6px;overflow:hidden;background:#0A0C12}
.fr-ef img{width:100%;height:100%;object-fit:cover;display:block}
.fr-ef figcaption{position:absolute;left:8px;bottom:8px;font-family:var(--mono);font-size:10.5px;background:rgba(6,8,11,.84);color:var(--fg);padding:3px 7px;border-radius:2px;max-width:calc(100% - 16px)}

/* ── narrower screens ── */
@media (max-width:1180px){
  .fr-demos{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fr-lessons{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fr-io{grid-template-columns:1fr 1fr}
  .fr-io > div:last-child{grid-column:1/-1}
}
@media (max-width:1080px){
  .fr-hero .wrap{grid-template-columns:1fr}
  .fr-stage{max-width:760px}
  .fr-csv{left:14px}
  .fr-bdh{display:none}
  .fr-job{grid-template-columns:minmax(0,5fr) minmax(0,7fr);row-gap:18px}
  .fr-jo{grid-column:2;border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:14px}
  .fr-show,.fr-show.flip,.fr-ahead{grid-template-columns:1fr}
  .fr-two{grid-template-columns:1fr}
  .band.fr-end{grid-template-columns:1fr}
  .fr-mos{position:static}
  /* one column: heading, then the pictures, then the details */
  .fr-show .fr-st{display:contents}
  .fr-show .fr-st .eyebrow{order:1}
  .fr-show .fr-st h2{order:2}
  .fr-show .fr-sp{order:3}
  .fr-show .fr-mos{order:4}
  .fr-show .fr-feat{order:5}
  .fr-show .fr-links{order:6}
  .fr-show{gap:18px}
}
@media (max-width:760px){
  .fr-stage{padding-bottom:0}
  .fr-csv{position:relative;left:auto;bottom:auto;margin:-26px 12px 0;overflow-x:auto}
  .fr-note{position:static;max-width:none;text-align:left;margin-top:12px}
  .fr-hf figcaption{font-size:9.5px;left:8px;top:8px}
  .fr-job{grid-template-columns:1fr}
  .fr-jo{grid-column:auto}
  .fr-io{grid-template-columns:1fr}
  .fr-lessons,.fr-demos{grid-template-columns:1fr}
  .fr-al{padding:4px 16px}
  .fr-al li{grid-template-columns:1fr;gap:6px}
  .fr-cli li{grid-template-columns:1fr;gap:4px}
  .fr-pair{aspect-ratio:auto;grid-template-columns:1fr}
  .fr-pair figure{aspect-ratio:16/10}
  .fr-pair figure + figure{border-left:0;border-top:1px solid var(--line)}
  .fr-pair figure + figure img{object-fit:contain}
  .fr-mos.tall{grid-template-columns:1fr 1fr;grid-template-rows:auto;aspect-ratio:auto}
  .fr-mos.tall > :first-child{grid-row:auto;grid-column:1/-1;aspect-ratio:4/3}
  .fr-mos.tall > :not(:first-child){aspect-ratio:16/10}
  .fr-mos > :not(:first-child) figcaption{font-size:9.5px;left:6px;bottom:6px;max-width:calc(100% - 12px)}
  .fr-code{font-size:11px}
}
@media (max-width:420px){
  .fr-hero h1{font-size:42px}
  .fr-meta{font-size:11.5px}
  .fr-csv table{font-size:10px}
  .fr-csv th,.fr-csv td{padding-left:9px}
  .fr-mos.wide,.fr-mos.tall{grid-template-columns:1fr}
  .fr-runs{gap:5px}
  .fr-runs figcaption{font-size:9.5px}
}