:root{
  --bc60-paper:#f1eee5;
  --bc60-paper-2:#e7e0d4;
  --bc60-ink:#181612;
  --bc60-muted:#6b655c;
  --bc60-line:rgba(24,22,18,.16);
  --bc60-char:#171512;
  --bc60-cream:#f4efe4;
  --bc60-ochre:#b98238;
}

.biochar-r60{background:var(--bc60-paper);color:var(--bc60-ink)}
.biochar-r60 .bc-page{overflow-x:clip}
.biochar-r60 .bc-container{width:min(1240px,calc(100% - 96px));margin-inline:auto}
.biochar-r60 .bc60-kicker,
.biochar-r60 .bc60-hero__status,
.biochar-r60 .bc60-hero__note,
.biochar-r60 .bc60-context__eyebrow,
.biochar-r60 .bc60-context__source,
.biochar-r60 .bc60-decision__meta,
.biochar-r60 .bc60-steps,
.biochar-r60 .bc60-source-label{
  font-family:"JetBrains Mono",monospace;
  text-transform:uppercase;
  letter-spacing:.09em;
}

/* Hero */
.biochar-r60 .bc60-hero{position:relative;min-height:92svh;background:#11100e;color:#fff;isolation:isolate;overflow:hidden}
.biochar-r60 .bc60-hero__media,.biochar-r60 .bc60-hero__veil{position:absolute;inset:0}
.biochar-r60 .bc60-hero__media img{width:100%;height:100%;object-fit:cover;object-position:50% 55%;display:block;filter:saturate(.8) contrast(1.04)}
.biochar-r60 .bc60-hero__veil{background:linear-gradient(90deg,rgba(10,9,8,.9) 0%,rgba(10,9,8,.7) 42%,rgba(10,9,8,.25) 74%,rgba(10,9,8,.35) 100%),linear-gradient(0deg,rgba(10,9,8,.66),transparent 52%)}
.biochar-r60 .bc60-hero__inner{position:relative;z-index:1;min-height:92svh;box-sizing:border-box;display:flex;flex-direction:column;justify-content:flex-end;padding:clamp(128px,18vh,190px) 0 36px}
.biochar-r60 .bc60-hero__status{display:flex;flex-wrap:wrap;gap:8px 18px;margin:0 0 18px;font-size:10px;color:#d7e6a4}
.biochar-r60 .bc60-hero h1{font-family:"Playfair Display",serif;font-weight:500;font-size:clamp(58px,7.5vw,112px);line-height:.88;letter-spacing:-.055em;margin:0 0 24px;max-width:860px}
.biochar-r60 .bc60-hero__question{font-family:"Playfair Display",serif;font-size:clamp(32px,4vw,58px);line-height:.98;letter-spacing:-.045em;max-width:820px;margin:0 0 16px;color:#f0ddb9}
.biochar-r60 .bc60-hero__deck{font-size:clamp(16px,1.15vw,19px);line-height:1.55;max-width:680px;color:rgba(255,255,255,.82);margin:0 0 26px}
.biochar-r60 .bc60-hero__cta{display:inline-flex;align-items:center;justify-content:center;min-height:48px;width:max-content;padding:0 22px;border:1px solid rgba(255,255,255,.5);border-radius:999px;background:rgba(255,255,255,.04);color:#fff;text-decoration:none;font-size:14px;font-weight:600}
.biochar-r60 .bc60-hero__journey{display:flex;align-items:center;gap:12px;margin-top:34px;padding-top:16px;border-top:1px solid rgba(255,255,255,.26);max-width:620px;font-family:"JetBrains Mono",monospace;text-transform:uppercase;letter-spacing:.08em;font-size:10px;color:rgba(255,255,255,.68)}
.biochar-r60 .bc60-hero__journey i{width:38px;height:1px;background:rgba(255,255,255,.36)}
.biochar-r60 .bc60-hero__note{position:absolute;right:48px;bottom:38px;z-index:1;max-width:260px;text-align:right;font-size:8.5px;line-height:1.5;color:rgba(255,255,255,.54)}

/* Pabna context */
.biochar-r60 .bc60-context{background:var(--bc60-paper-2);padding:clamp(84px,8vw,126px) 0;border-top:1px solid var(--bc60-line)}
.biochar-r60 .bc60-context__grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(520px,1.2fr);gap:clamp(54px,7vw,106px);align-items:start}
.biochar-r60 .bc60-context__eyebrow,.biochar-r60 .bc60-kicker{display:block;font-size:10px;color:#625d55;margin-bottom:18px}
.biochar-r60 .bc60-context h2,.biochar-r60 .bc60-section-title{font-family:"Playfair Display",serif;font-weight:400;font-size:clamp(44px,4.8vw,74px);line-height:.96;letter-spacing:-.045em;margin:0 0 22px}
.biochar-r60 .bc60-context__intro{font-size:17px;line-height:1.64;color:#514c44;max-width:610px;margin:0}
.biochar-r60 .bc60-context__metrics{border-top:1px solid var(--bc60-line)}
.biochar-r60 .bc60-context__metric{display:grid;grid-template-columns:120px 1fr auto;gap:20px;align-items:baseline;padding:18px 0;border-bottom:1px solid var(--bc60-line)}
.biochar-r60 .bc60-context__metric span{font-family:"JetBrains Mono",monospace;text-transform:uppercase;letter-spacing:.08em;font-size:10px;color:#746d63}
.biochar-r60 .bc60-context__metric strong{font-family:"Playfair Display",serif;font-weight:400;font-size:clamp(30px,3vw,46px);line-height:1}
.biochar-r60 .bc60-context__metric small{font-size:12px;color:#6e675e}
.biochar-r60 .bc60-context__boundary{margin-top:26px;padding-top:24px;border-top:2px solid #211e1a}
.biochar-r60 .bc60-context__boundary>strong{display:block;font-family:"Playfair Display",serif;font-weight:400;font-size:clamp(28px,3vw,44px);line-height:1.05;margin-bottom:18px;max-width:700px}
.biochar-r60 .bc60-steps{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:9px;color:#6a645b}
.biochar-r60 .bc60-steps span:not(:last-child)::after{content:"·";margin-left:16px;color:#9a7543}
.biochar-r60 .bc60-context__source{margin-top:18px;font-size:8.5px;line-height:1.55;color:#787168}

/* General sections */
.biochar-r60 .bc60-section{padding:clamp(82px,8vw,126px) 0}
.biochar-r60 .bc60-section--feedstock{background:var(--bc60-paper)}
.biochar-r60 .bc60-feedstock-grid{display:grid;grid-template-columns:minmax(0,.82fr) minmax(440px,1.18fr);gap:clamp(52px,7vw,104px)}
.biochar-r60 .bc60-section-head p{font-size:17px;line-height:1.64;color:#514c44;max-width:610px;margin:0}
.biochar-r60 .bc60-feedstock-proof{border-top:1px solid var(--bc60-line)}
.biochar-r60 .bc60-feedstock-proof>div{display:grid;grid-template-columns:140px 1fr;gap:24px;padding:17px 0;border-bottom:1px solid var(--bc60-line)}
.biochar-r60 .bc60-feedstock-proof span{font-family:"JetBrains Mono",monospace;text-transform:uppercase;letter-spacing:.08em;font-size:9.5px;color:#756e64}
.biochar-r60 .bc60-feedstock-proof strong{font-family:"Playfair Display",serif;font-weight:400;font-size:22px;line-height:1.12}
.biochar-r60 .bc60-rule{margin:24px 0 0;padding-top:22px;border-top:2px solid #201d19;font-family:"Playfair Display",serif;font-size:28px;line-height:1.08}
.biochar-r60 .bc60-trace{margin:14px 0 0;font-size:13px;line-height:1.55;color:#666056}

/* Signature */
.biochar-r60 .bc60-section--batch{background:var(--bc60-char);color:#f3eee4}
.biochar-r60 .bc60-batch-head{display:grid;grid-template-columns:1fr auto;gap:28px;align-items:end;margin-bottom:34px}
.biochar-r60 .bc60-batch-head p{font-size:13px;color:#aaa193;margin:0}
.biochar-r60 .bc-batch{display:grid;grid-template-columns:150px minmax(0,1.06fr) minmax(330px,.94fr);gap:24px;align-items:start;min-height:600px}
.biochar-r60 .bc-batch__tabs{display:grid;grid-template-columns:1fr;gap:0;border-top:1px solid rgba(255,255,255,.16);overflow:visible}
.biochar-r60 .bc-batch__tabs button{min-height:52px;border:0;border-bottom:1px solid rgba(255,255,255,.14);background:transparent;color:#a89f92;text-align:left;padding:0 12px;font-family:"JetBrains Mono",monospace;text-transform:uppercase;letter-spacing:.08em;font-size:10px;cursor:pointer}
.biochar-r60 .bc-batch__tabs button[aria-selected="true"]{color:#fff;background:rgba(255,255,255,.06)}
.biochar-r60 .bc-batch__tabs button.is-frontier-reached,.biochar-r60 .bc-batch__tabs button.is-frontier-conditional{box-shadow:none}
.biochar-r60 .bc-batch__tabs button.is-frontier-reached::after{content:" · within";color:#c4ad84;font-size:8px}
.biochar-r60 .bc-batch__tabs button.is-frontier-conditional::after{content:" · beyond";color:#777067;font-size:8px}
.biochar-r60 .bc-batch__visual{position:relative;min-height:600px;overflow:hidden;background:#0e0d0b}
.biochar-r60 .bc-batch__media{position:absolute;inset:0;margin:0;opacity:0;transform:translateY(4px);transition:opacity .22s ease,transform .22s ease;pointer-events:none}
.biochar-r60 .bc-batch__media.is-active{opacity:1;transform:none;pointer-events:auto}
.biochar-r60 .bc-batch__media img,.biochar-r60 .bc-batch__media picture{width:100%;height:100%;display:block}
.biochar-r60 .bc-batch__media img{object-fit:cover}
.biochar-r60 .bc-batch__state-label{position:absolute;left:22px;right:22px;bottom:22px;padding-top:14px;border-top:1px solid rgba(255,255,255,.28);z-index:2;text-shadow:0 1px 20px rgba(0,0,0,.6)}
.biochar-r60 .bc-batch__state-label span{display:block;font-family:"JetBrains Mono",monospace;text-transform:uppercase;letter-spacing:.08em;font-size:9px;color:#c9c0b3;margin-bottom:5px}
.biochar-r60 .bc-batch__state-label strong{display:block;font-family:"Playfair Display",serif;font-weight:400;font-size:clamp(30px,3vw,46px);line-height:1.02}
.biochar-r60 .bc-batch__annotation{min-width:0}
.biochar-r60 .bc-batch__panels{border-top:1px solid rgba(255,255,255,.16)}
.biochar-r60 .bc-batch__panels section{padding:20px 0}
.biochar-r60 .bc-panel-kicker{display:block;font-family:"JetBrains Mono",monospace;text-transform:uppercase;letter-spacing:.08em;font-size:9px;color:#aaa193;margin-bottom:8px}
.biochar-r60 .bc-batch__panels h3{font-family:"Playfair Display",serif;font-weight:400;font-size:30px;line-height:1.04;margin:0 0 14px}
.biochar-r60 .bc-batch__panels ul{list-style:none;margin:0;padding:0;border-top:1px solid rgba(255,255,255,.12)}
.biochar-r60 .bc-batch__panels li{padding:9px 0;border-bottom:1px solid rgba(255,255,255,.1);font-size:13px;color:#d0c7b9}
.biochar-r60 .bc-boundary{font-size:11px;line-height:1.5;color:#968d80;margin:14px 0 0}
.biochar-r60 .bc-proof-frontier-control{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:18px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14)}
.biochar-r60 .bc-proof-frontier-trigger{min-height:48px;padding:0 14px;border:1px solid rgba(255,255,255,.22);background:transparent;color:#fff;font-family:"JetBrains Mono",monospace;font-size:10px;letter-spacing:.04em}
.biochar-r60 .bc-proof-frontier-control>span{font-size:11px;color:#938b7f}
.biochar-r60 .bc-proof-frontier{margin-top:20px;padding-top:18px;border-top:1px solid rgba(255,255,255,.15)}
.biochar-r60 .bc-proof-frontier__head strong{display:block;font-family:"Playfair Display",serif;font-size:24px;font-weight:400;margin-top:6px}
.biochar-r60 .bc-proof-frontier__pair{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}
.biochar-r60 .bc-proof-frontier__pair>div{border:1px solid rgba(255,255,255,.12);padding:14px}
.biochar-r60 .bc-proof-frontier__pair span{font-family:"JetBrains Mono",monospace;text-transform:uppercase;letter-spacing:.08em;font-size:8.5px;color:#b6ad9f}
.biochar-r60 .bc-proof-frontier__pair p{font-size:12.5px;line-height:1.5;color:#d1c8ba;margin:8px 0 0}
.biochar-r60 .bc-proof-frontier__boundary{font-size:10px;color:#92897d;margin:12px 0 0}
.biochar-r60 .bc-batch-credit{font-size:9px;line-height:1.45;color:#857d72;margin:16px 0 0}

/* Field + economics */
.biochar-r60 .bc60-field{background:#ebe6db}
.biochar-r60 .bc60-field__grid{display:grid;grid-template-columns:minmax(0,.82fr) minmax(440px,1.18fr);gap:clamp(54px,7vw,104px);align-items:start}
.biochar-r60 .bc60-field__intro p{font-size:17px;line-height:1.64;color:#514c44;max-width:620px}
.biochar-r60 .bc-trial{border-top:1px solid var(--bc60-line)}
.biochar-r60 .bc-trial__row{display:grid;grid-template-columns:140px 1fr;gap:22px;padding:15px 0;border-bottom:1px solid var(--bc60-line)}
.biochar-r60 .bc-trial__row--head{font-family:"JetBrains Mono",monospace;text-transform:uppercase;letter-spacing:.08em;font-size:9px;color:#756f65}
.biochar-r60 .bc-trial__row strong{font-family:"Playfair Display",serif;font-weight:400;font-size:21px}
.biochar-r60 .bc-trial__row span{font-size:13px;line-height:1.5;color:#5e584f}
.biochar-r60 .bc60-field__question{grid-column:1/-1;display:grid;grid-template-columns:190px 1fr;gap:28px;margin-top:32px;padding-top:28px;border-top:1px solid var(--bc60-line)}
.biochar-r60 .bc60-field__question span{font-family:"JetBrains Mono",monospace;text-transform:uppercase;letter-spacing:.08em;font-size:9.5px;color:#70695f}
.biochar-r60 .bc60-field__question strong{font-family:"Playfair Display",serif;font-weight:400;font-size:clamp(28px,3vw,44px);line-height:1.05;max-width:820px}
.biochar-r60 .bc60-econ{grid-column:1/-1;display:grid;grid-template-columns:1.2fr .8fr;gap:54px;margin-top:46px;padding-top:28px;border-top:1px solid var(--bc60-line)}
.biochar-r60 .bc60-econ h3{font-family:"Playfair Display",serif;font-weight:400;font-size:32px;line-height:1.05;margin:6px 0 16px}
.biochar-r60 .bc60-econ__formula{display:grid;grid-template-columns:1fr auto 1fr auto 1.5fr auto 1.25fr;gap:10px;align-items:center;padding:16px 0;border-top:1px solid var(--bc60-line);border-bottom:1px solid var(--bc60-line);font-family:"Playfair Display",serif;font-size:18px}
.biochar-r60 .bc60-econ__formula b{font-family:"JetBrains Mono",monospace;font-weight:400;color:#9b7440;text-align:center}
.biochar-r60 .bc60-econ p{font-size:13px;line-height:1.58;color:#5b554d}
.biochar-r60 .bc60-econ__carbon{border-left:1px solid var(--bc60-line);padding-left:30px}

/* Funding */
.biochar-r60 .bc60-fund{background:var(--bc60-ochre);color:#17130f}
.biochar-r60 .bc60-fund__head{display:grid;grid-template-columns:.85fr 1.15fr;gap:70px;align-items:end;margin-bottom:38px}
.biochar-r60 .bc60-fund__head p{font-size:16px;line-height:1.6;max-width:620px;margin:0}
.biochar-r60 .bc60-release{padding:28px 0;border-top:1px solid rgba(24,22,18,.28)}
.biochar-r60 .bc60-release__head{display:flex;justify-content:space-between;gap:28px;align-items:baseline;margin-bottom:22px}
.biochar-r60 .bc60-release__head span{font-family:"JetBrains Mono",monospace;text-transform:uppercase;letter-spacing:.08em;font-size:9.5px;color:#5f3e1c}
.biochar-r60 .bc60-release__head strong{font-family:"Playfair Display",serif;font-size:26px;font-weight:400}
.biochar-r60 .bc-deliverables{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;border-top:1px solid rgba(24,22,18,.22)}
.biochar-r60 .bc-deliverables li{list-style:none;min-width:0;padding:20px 26px 20px 0;border-bottom:1px solid rgba(24,22,18,.22)}
.biochar-r60 .bc-deliverables li:nth-child(odd){border-right:1px solid rgba(24,22,18,.22);padding-right:28px}
.biochar-r60 .bc-deliverables li:nth-child(even){padding-left:28px}
.biochar-r60 .bc-deliverables b{display:block;font-family:"Playfair Display",serif;font-weight:400;font-size:21px;margin-top:10px}
.biochar-r60 .bc-deliverables p{font-size:13px;line-height:1.5;margin:7px 0 0}
.biochar-r60 .bc60-release__hinge{font-family:"Playfair Display",serif;font-size:23px;margin:18px 0 0}

/* Stop conditions */
.biochar-r60 .bc60-stop{background:#dcd6ca}
.biochar-r60 .bc60-stop__grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:clamp(54px,7vw,104px)}
.biochar-r60 .bc60-stop__list{list-style:none;margin:0;padding:0;border-top:1px solid rgba(24,22,18,.2)}
.biochar-r60 .bc60-stop__list li{font-family:"Playfair Display",serif;font-size:23px;line-height:1.1;padding:17px 0;border-bottom:1px solid rgba(24,22,18,.2)}
.biochar-r60 .bc60-stop__rule{margin-top:22px;padding-top:22px;border-top:2px solid #201d19}
.biochar-r60 .bc60-stop__rule strong{display:block;font-family:"Playfair Display",serif;font-size:28px;font-weight:400;line-height:1.08;margin-bottom:15px}
.biochar-r60 .bc60-stop__outcomes{font-family:"JetBrains Mono",monospace;text-transform:uppercase;letter-spacing:.08em;font-size:9.5px;color:#675f56}

/* Allocation + decision + sources */
.biochar-r60 .project-allocation-identity{order:initial}
.biochar-r60 .bc60-decision{background:#191713;color:#f4efe4;padding:clamp(80px,8vw,122px) 0}
.biochar-r60 .bc60-decision__grid{display:grid;grid-template-columns:1fr .72fr;gap:72px;align-items:end}
.biochar-r60 .bc60-decision__meta{font-size:9px;color:#a49a8d;margin-bottom:16px}
.biochar-r60 .bc60-decision h2{font-family:"Playfair Display",serif;font-size:clamp(46px,5.2vw,78px);line-height:.95;letter-spacing:-.045em;font-weight:400;margin:0 0 18px;max-width:760px}
.biochar-r60 .bc60-decision p{font-size:16px;line-height:1.58;color:#cbc2b5;max-width:610px;margin:0}
.biochar-r60 .bc60-button{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 22px;border-radius:999px;background:#f4efe4;color:#181612;text-decoration:none;font-weight:600}
.biochar-r60 .bc60-sources{background:#ede8dd;padding:48px 0 58px;border-top:1px solid var(--bc60-line)}
.biochar-r60 .bc60-sources__grid{display:grid;grid-template-columns:180px 1fr;gap:46px}
.biochar-r60 .bc60-sources h2{font-family:"Playfair Display",serif;font-size:26px;font-weight:400;line-height:1.05;margin:0}
.biochar-r60 .bc60-sources__list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:34px;border-top:1px solid var(--bc60-line)}
.biochar-r60 .bc60-sources__list a,.biochar-r60 .bc60-sources__list div{display:grid;grid-template-columns:104px 1fr;gap:16px;padding:12px 0;border-bottom:1px solid var(--bc60-line);color:inherit;text-decoration:none}
.biochar-r60 .bc60-source-label{font-size:8.5px;color:#746e64}
.biochar-r60 .bc60-sources__list strong{font-size:12px;line-height:1.45;font-weight:500}
.biochar-r60 .bc60-image-sources{grid-column:2;margin:13px 0 0;font-family:"JetBrains Mono",monospace;text-transform:uppercase;letter-spacing:.05em;font-size:8.5px;line-height:1.5;color:#787168}
.biochar-r60 .bc-text-link{display:inline-block;margin-top:12px;color:inherit;text-underline-offset:4px;font-size:12px}

@media(max-width:980px){
  .biochar-r60 .bc-container{width:min(100% - 48px,860px)}
  .biochar-r60 .bc60-context__grid,
  .biochar-r60 .bc60-feedstock-grid,
  .biochar-r60 .bc60-field__grid,
  .biochar-r60 .bc60-stop__grid,
  .biochar-r60 .bc60-fund__head,
  .biochar-r60 .bc60-decision__grid{grid-template-columns:1fr;gap:40px}
  .biochar-r60 .bc-batch{grid-template-columns:130px minmax(0,1fr);gap:20px}
  .biochar-r60 .bc-batch__annotation{grid-column:1/-1}
  .biochar-r60 .bc-batch__visual{min-height:520px}
  .biochar-r60 .bc60-econ{grid-template-columns:1fr;gap:28px}
  .biochar-r60 .bc60-econ__carbon{border-left:0;border-top:1px solid var(--bc60-line);padding:24px 0 0}
  .biochar-r60 .bc60-sources__grid{grid-template-columns:1fr;gap:22px}
  .biochar-r60 .bc60-image-sources{grid-column:1}
}

@media(max-width:640px){
  .biochar-r60 .bc-container{width:calc(100% - 40px)}
  .biochar-r60 .bc60-hero{min-height:76svh}
  .biochar-r60 .bc60-hero__inner{min-height:76svh;padding:112px 0 24px}
  .biochar-r60 .bc60-hero__media img{object-position:48% 58%}
  .biochar-r60 .bc60-hero__veil{background:linear-gradient(180deg,rgba(10,9,8,.5) 0%,rgba(10,9,8,.68) 42%,rgba(10,9,8,.92) 100%)}
  .biochar-r60 .bc60-hero__status{font-size:8.5px;gap:5px 12px;margin-bottom:12px}
  .biochar-r60 .bc60-hero h1{font-size:clamp(48px,14vw,64px);line-height:.9;margin-bottom:16px}
  .biochar-r60 .bc60-hero__question{font-size:clamp(29px,8.4vw,38px);line-height:1.01;margin-bottom:12px}
  .biochar-r60 .bc60-hero__deck{font-size:15px;line-height:1.48;margin-bottom:18px}
  .biochar-r60 .bc60-hero__cta{min-height:48px;font-size:13px}
  .biochar-r60 .bc60-hero__journey{margin-top:22px;padding-top:12px;gap:8px;font-size:8px}
  .biochar-r60 .bc60-hero__journey i{width:20px}
  .biochar-r60 .bc60-hero__note{display:none}
  .biochar-r60 .bc60-context,.biochar-r60 .bc60-section{padding:64px 0}
  .biochar-r60 .bc60-context h2,.biochar-r60 .bc60-section-title{font-size:clamp(37px,10.2vw,46px);line-height:.98}
  .biochar-r60 .bc60-context__intro,.biochar-r60 .bc60-section-head p,.biochar-r60 .bc60-field__intro p{font-size:15.5px;line-height:1.55}
  .biochar-r60 .bc60-context__metric{grid-template-columns:88px 1fr;gap:12px;padding:14px 0}
  .biochar-r60 .bc60-context__metric strong{font-size:32px}
  .biochar-r60 .bc60-context__metric small{grid-column:2;font-size:11px;margin-top:-6px}
  .biochar-r60 .bc60-context__boundary>strong{font-size:30px}
  .biochar-r60 .bc60-steps{display:grid;grid-template-columns:1fr 1fr;gap:7px 14px;font-size:8.5px}
  .biochar-r60 .bc60-steps span::after{display:none}
  .biochar-r60 .bc60-feedstock-proof>div{grid-template-columns:1fr;gap:6px;padding:14px 0}
  .biochar-r60 .bc60-feedstock-proof strong{font-size:20px}
  .biochar-r60 .bc60-rule{font-size:24px}
  .biochar-r60 .bc60-batch-head{grid-template-columns:1fr;margin-bottom:24px}
  .biochar-r60 .bc60-batch-head p{display:none}
  .biochar-r60 .bc-batch{grid-template-columns:1fr;gap:16px;min-height:0}
  .biochar-r60 .bc-batch__tabs{grid-template-columns:repeat(2,minmax(0,1fr));border:1px solid rgba(255,255,255,.16)}
  .biochar-r60 .bc-batch__tabs button{min-height:50px;padding:0 12px;border-right:1px solid rgba(255,255,255,.12)}
  .biochar-r60 .bc-batch__tabs button:nth-child(2n){border-right:0}
  .biochar-r60 .bc-batch__visual{min-height:430px}
  .biochar-r60 .bc-batch__state-label{left:16px;right:16px;bottom:16px}
  .biochar-r60 .bc-batch__state-label strong{font-size:31px}
  .biochar-r60 .bc-batch__panels h3{font-size:27px}
  .biochar-r60 .bc-proof-frontier__pair{grid-template-columns:1fr}
  .biochar-r60 .bc60-field__question{grid-template-columns:1fr;gap:10px;margin-top:22px;padding-top:22px}
  .biochar-r60 .bc60-field__question strong{font-size:28px}
  .biochar-r60 .bc60-econ{margin-top:32px}
  .biochar-r60 .bc60-econ__formula{grid-template-columns:1fr;gap:7px;font-size:18px}
  .biochar-r60 .bc60-econ__formula b{text-align:left}
  .biochar-r60 .bc60-release__head{display:block}
  .biochar-r60 .bc60-release__head strong{display:block;margin-top:7px;font-size:23px}
  .biochar-r60 .bc-deliverables{grid-template-columns:1fr}
  .biochar-r60 .bc-deliverables li,.biochar-r60 .bc-deliverables li:nth-child(odd),.biochar-r60 .bc-deliverables li:nth-child(even){border-right:0;padding:18px 0}
  .biochar-r60 .bc60-stop__list li{font-size:21px}
  .biochar-r60 .bc60-stop__rule strong{font-size:25px}
  .biochar-r60 .bc60-decision h2{font-size:44px}
  .biochar-r60 .bc60-sources__list{grid-template-columns:1fr}
  .biochar-r60 .bc60-sources__list a,.biochar-r60 .bc60-sources__list div{grid-template-columns:88px 1fr}
  .biochar-r60 .project-allocation-identity__inner{max-width:100%}
}

@media(prefers-reduced-motion:reduce){
  .biochar-r60 .bc-batch__media{transition:none!important;transform:none!important}
  .biochar-r60 *{scroll-behavior:auto!important}
}

/* R60.1 · restore the authored three-part proof composition at desktop widths.
   Explicit placement defeats legacy grid-column rules without touching mobile. */
@media(min-width:981px){
  .biochar-r60 .bc-batch{
    grid-template-columns:140px minmax(360px,1.08fr) minmax(320px,.92fr)!important;
    grid-template-areas:"tabs visual annotation";
    align-items:start;
    min-height:0;
  }
  .biochar-r60 .bc-batch__tabs{
    grid-area:tabs;
    grid-column:1!important;
    grid-row:1!important;
    align-self:start;
  }
  .biochar-r60 .bc-batch__visual{
    grid-area:visual;
    grid-column:2!important;
    grid-row:1!important;
    min-height:600px;
  }
  .biochar-r60 .bc-batch__annotation{
    grid-area:annotation;
    grid-column:3!important;
    grid-row:1!important;
    min-width:0;
    align-self:start;
  }
}