:root{--ink:#11130f;--muted:#6d7169;--paper:#f8f7f2;--panel:#fff;--line:#dedfd8;--lime:#b8ff00;--lime2:#ddff86;--green:#557d12;--radius:24px;--shadow:0 14px 38px rgba(17,19,15,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.55}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}.wrap{width:min(1160px,calc(100% - 32px));margin-inline:auto}.nav{position:sticky;top:0;z-index:50;background:rgba(12,14,12,.97);backdrop-filter:blur(10px);color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}.navin{height:76px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:.04em}.logo{width:46px;height:46px;border-radius:13px;background:var(--lime);color:#111;display:grid;place-items:center;font-weight:1000;font-style:italic}.navlinks{margin-left:auto;display:flex;gap:24px;align-items:center;font-size:14px;font-weight:800}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:13px 20px;font-weight:900;border:1px solid var(--ink);background:var(--ink);color:#fff;cursor:pointer}.btn.lime{background:var(--lime);color:#111;border-color:var(--lime)}.btn.ghost{background:transparent;color:var(--ink)}.menu{display:none;margin-left:auto;background:transparent;color:white;border:0;font-size:28px}.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:13px;font-weight:900;color:var(--green)}h1,h2,h3{line-height:1.04;margin:0}h1{font-size:clamp(42px,7vw,78px);letter-spacing:-.05em}h2{font-size:clamp(31px,4.8vw,50px);letter-spacing:-.035em}h3{font-size:22px}.lede{font-size:clamp(18px,2.4vw,22px);color:#53564f;max-width:64ch}.section{padding:66px 0}.hero{padding:38px 0 46px}.heroGrid{display:grid;grid-template-columns:1.02fr .98fr;gap:40px;align-items:center}.heroMedia{position:relative}.heroMedia img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:30px;box-shadow:var(--shadow)}.heroArt{aspect-ratio:16/10;border-radius:30px;background:radial-gradient(circle at 78% 18%,rgba(184,255,0,.36),transparent 30%),linear-gradient(145deg,#0d100c,#252b22);color:white;padding:34px;display:flex;flex-direction:column;justify-content:flex-end;box-shadow:var(--shadow);overflow:hidden}.heroArt .artIcon{font-size:76px;line-height:1;margin-bottom:auto}.heroArt .artKicker{color:var(--lime);font-size:13px;font-weight:900;letter-spacing:.14em;text-transform:uppercase}.heroArt .artTitle{font-weight:1000;font-size:clamp(28px,4vw,46px);line-height:1.02;letter-spacing:-.03em;margin-top:8px}.macroBadge{position:absolute;left:18px;top:18px;background:var(--lime);border-radius:16px;padding:11px 14px;font-weight:1000;line-height:1.1}.chips{display:flex;flex-wrap:wrap;gap:9px;margin:22px 0}.chip{border:1px solid var(--line);background:#fff;padding:9px 12px;border-radius:999px;font-weight:800;font-size:14px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.card.pad{padding:26px}.card img{width:100%;aspect-ratio:16/10;object-fit:cover;image-rendering:auto;filter:saturate(1.03) contrast(1.025)}.cardBody{padding:18px}.card p{color:var(--muted);margin:8px 0 0}.sectionHead{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:24px}.features{padding:34px 0;border-block:1px solid var(--line);background:#fff}.feature{padding:10px 16px}.feature .n{font-size:34px;font-weight:1000;color:var(--green)}.feature p{color:var(--muted);margin:6px 0 0}.recipeGrid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}.ingredients{list-style:none;padding:0;margin:18px 0 0}.ingredients li{display:flex;justify-content:space-between;gap:20px;padding:10px 0;border-bottom:1px solid var(--line)}.ingredients li:last-child{border-bottom:0}.steps{counter-reset:step;display:grid;gap:14px;margin-top:18px}.step{display:grid;grid-template-columns:40px 1fr;gap:13px;align-items:start}.step:before{counter-increment:step;content:counter(step);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--lime);font-weight:1000}.selector{background:#10120f;color:#fff;border-radius:var(--radius);padding:24px}.selectors{display:grid;gap:10px;margin-top:16px}.portion{width:100%;text-align:left;border:1px solid #43463e;background:transparent;color:#fff;border-radius:18px;padding:16px;cursor:pointer}.portion strong{display:block;font-size:16px}.portion span{color:#bec0b9}.portion.active{border-color:var(--lime);box-shadow:0 0 0 1px var(--lime) inset}.portion.active strong{color:var(--lime)}.macros{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:18px}.macro{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px}.macro b{display:block;font-size:30px}.macro span{font-size:12px;text-transform:uppercase;color:var(--muted);font-weight:900}.prep{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.prep img{border-radius:18px;aspect-ratio:16/10;object-fit:cover}.prep b{display:block;margin-top:8px}.cta{background:linear-gradient(110deg,var(--lime),var(--lime2));border-radius:28px;padding:34px;display:flex;align-items:center;justify-content:space-between;gap:20px}.footer{background:#0d0f0d;color:#fff;padding:48px 0 28px}.footgrid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:32px}.footer p,.footer a{color:#c4c7c0}.footer h4{margin:0 0 12px}.fine{border-top:1px solid #31342f;margin-top:32px;padding-top:18px;color:#969a92;font-size:13px}.heroHome{padding:84px 0 62px;background:radial-gradient(circle at 82% 10%,rgba(184,255,0,.18),transparent 35%)}.homeGrid{display:grid;grid-template-columns:1fr .9fr;align-items:center;gap:44px}.homeArt{display:grid;grid-template-columns:1fr 1fr;gap:12px}.homeArt img{border-radius:22px;height:240px;width:100%;object-fit:cover;filter:saturate(1.03) contrast(1.025)}.homeArt img:first-child{grid-row:span 2;height:492px}.banner{background:#111;color:white;padding:26px 0}.bannerIn{display:flex;align-items:center;justify-content:space-between;gap:22px}.listCards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.listCard{display:flex;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);padding:16px;border-radius:22px}.listCard img{width:150px;aspect-ratio:4/3;object-fit:cover;border-radius:16px}.notice{background:#eef8d8;border:1px solid #d6e5b2;border-radius:18px;padding:16px;color:#45533a}.legal{max-width:800px}.legal p,.legal li{color:#555a52}.tiny{font-size:13px;color:var(--muted)}.content{max-width:820px}.content h2{margin-top:40px}.content h3{margin-top:28px}.content p,.content li{font-size:17px;color:#4f534c}.content li{margin:9px 0}.factbox{background:#10120f;color:#fff;border-radius:24px;padding:24px}.factbox h3{margin:0}.factbox p,.factbox li{color:#d0d3cc}.factbox a{color:var(--lime);text-decoration:underline}.routeTag{font-size:12px;color:var(--green);font-weight:900;letter-spacing:.08em;text-transform:uppercase}.library{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.library a{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px;transition:border-color .18s ease,transform .18s ease}.library a:hover{transform:translateY(-2px)}.library a:hover{border-color:#a4cf4c}.library small{color:var(--green);font-weight:900}.library strong{display:block;font-size:18px;line-height:1.18;margin-top:5px}.checklist{padding-left:20px}.sourceList{font-size:14px;color:var(--muted)}.sourceList a{text-decoration:underline}
@media(max-width:880px){.navlinks{display:none}.menu{display:block}.nav.open .navlinks{display:flex;position:absolute;left:16px;right:16px;top:70px;background:#111;border:1px solid #333;border-radius:18px;padding:18px;flex-direction:column;align-items:stretch}.heroGrid,.recipeGrid,.homeGrid{grid-template-columns:1fr}.heroGrid .heroMedia,.heroGrid .heroArt{order:-1}.grid4{grid-template-columns:repeat(2,1fr)}.grid3,.grid2{grid-template-columns:1fr}.prep{grid-template-columns:repeat(2,1fr)}.footgrid{grid-template-columns:1fr 1fr}.homeArt img:first-child{height:360px}.homeArt img{height:174px}.cta,.bannerIn{align-items:flex-start;flex-direction:column}.macros{grid-template-columns:repeat(2,1fr)}.library{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.wrap{width:min(100% - 22px,1160px)}.navin{height:68px}.logo{width:42px;height:42px}.brand span{font-size:15px}.hero{padding-top:20px}.section{padding:48px 0}.grid4,.listCards,.library{grid-template-columns:1fr}.prep{grid-template-columns:1fr 1fr}.heroMedia img,.heroArt{border-radius:22px}.heroArt{padding:24px;min-height:330px}.card.pad{padding:20px}.footgrid{grid-template-columns:1fr}.macros{grid-template-columns:1fr 1fr}.macro b{font-size:24px}.ingredients li{font-size:15px}.portion{padding:14px}.homeArt{display:block;margin-top:8px}.homeArt img{display:none}.homeArt img:first-child{display:block;width:100%;height:auto;aspect-ratio:16/10}.heroHome{padding:60px 0 46px}h1{font-size:48px}.sectionHead{align-items:flex-start;flex-direction:column}.listCard img{width:112px}.cta{padding:26px}.feature{padding:6px 0}.content p,.content li{font-size:16px}}

.guideFilters{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}.guideFilters span{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 12px;font-size:13px;font-weight:800}.guideHero{padding-top:54px}


/* V4.1 — external exercise demo links */
.demo-block{
  margin-top:clamp(2rem,5vw,3.5rem);
  padding-top:1.5rem;
  border-top:1px solid var(--line,#d9d9d2);
}
.demo-intro{
  margin-top:-.35rem;
  color:var(--muted,#686860);
}
.demo-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:.85rem;
  margin-top:1rem;
}
.demo-card{
  display:flex;
  gap:1rem;
  align-items:center;
  justify-content:space-between;
  padding:1rem;
  border:1px solid var(--line,#deded6);
  border-radius:18px;
  background:#fff;
}
.demo-card>div{
  min-width:0;
  display:flex;
  flex-direction:column;
  gap:.25rem;
}
.demo-source{
  color:var(--muted,#77776f);
  font-size:.82rem;
}
.demo-link{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:.7rem .9rem;
  border-radius:999px;
  background:#11130f;
  color:#fff;
  text-decoration:none;
  font-weight:800;
  white-space:nowrap;
}
.demo-link:hover,.demo-link:focus-visible{
  background:#a8ff00;
  color:#11130f;
}
.demo-note{
  margin-top:1rem;
  font-size:.86rem;
  color:var(--muted,#77776f);
}
@media(max-width:680px){
  .demo-grid{grid-template-columns:1fr}
  .demo-card{align-items:flex-start}
}