/* I Respawned As A Super Coder In A World With AI — the path & library. Tokens and components per DESIGN-REFERENCE.md (§) and DESIGN-REFERENCE-RESPAWN.md (§R). */

/* ── Global style: tokens ─────────────────────────────────────────────── */
:root{
  --bg:#08080A;--surface:#111114;--card:#16161A;--hover:#1C1C22;--code:#0D0D10;
  --border:rgba(255,255,255,.06);--border-2:rgba(255,255,255,.12);
  --green:#00A868;--green-rgb:0 168 104;--green-deep:#007838;--green-light:#2FD48F;
  --red:#F03038;--red-rgb:240 48 56;--red-deep:#B8161F;
  --yellow:#E8D800;--yellow-rgb:232 216 0;--yellow-soft:#F5EC5A;
  --text:#EAE6E1;--heading:#F5F2EE;--soft:#C6BFC4;--muted:#8A8A94;--faint:#55555E;--ink:#07110C;
  --font-display:'Clash',ui-sans-serif,system-ui,sans-serif;
  --font-body:'DM',ui-sans-serif,system-ui,-apple-system,sans-serif;
  --font-mono:'JetBrainsMono',ui-monospace,'SF Mono',Menlo,Consolas,monospace;
  --font-story:'Fraunces',Georgia,'Times New Roman',serif;
  --stamp:0 0 0 1px rgb(var(--unit-rgb,var(--green-rgb)) / .35),0 0 24px rgb(var(--unit-rgb,var(--green-rgb)) / .25);
  --r-s:6px;--r-m:14px;--r-l:22px;
  --ease:cubic-bezier(.22,1,.36,1);
  --nav-h:72px;--sidebar-w:280px;--rail-w:240px;--measure:760px;
  --container:min(1240px,calc(100% - 96px));
  --lift:4px 4px 0 0 #000,0 0 0 1px rgb(var(--green-rgb) / .35);
}
@font-face{font-family:Clash;src:url('/assets/fonts/clash-500.woff2') format('woff2');font-weight:500;font-display:swap}
@font-face{font-family:Clash;src:url('/assets/fonts/clash-600.woff2') format('woff2');font-weight:600;font-display:swap}
@font-face{font-family:Clash;src:url('/assets/fonts/clash-700.woff2') format('woff2');font-weight:700;font-display:swap}
@font-face{font-family:DM;src:url('/assets/fonts/dm-sans.ttf') format('truetype');font-weight:300 700;font-style:normal;font-display:swap}
@font-face{font-family:DM;src:url('/assets/fonts/dm-sans-italic.woff2') format('woff2');font-weight:300 400;font-style:italic;font-display:swap}
@font-face{font-family:JetBrainsMono;src:url('/assets/fonts/jetbrains-mono-400.ttf') format('truetype');font-weight:400;font-display:swap}
@font-face{font-family:Fraunces;src:url('/assets/fonts/fraunces-italic.woff2') format('woff2');font-weight:100 900;font-style:italic;font-display:swap}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--nav-h) + 24px)}
body{margin:0;background:var(--bg);color:var(--text);font:400 17px/1.7 var(--font-body);-webkit-font-smoothing:antialiased;min-height:100svh}
h1,h2,h3,h4{margin:0;color:var(--heading);font-weight:600;line-height:1.1;overflow-wrap:anywhere}
h1,h2{font-family:var(--font-display);letter-spacing:-.01em}
p{margin:0 0 20px}
a{color:var(--green);text-decoration:none;text-underline-offset:3px}
a:hover{color:var(--green-light)}
img,svg,video{max-width:100%;display:block}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
code,kbd,pre,samp{font-family:var(--font-mono);font-variant-ligatures:none}
:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:4px}
::selection{background:rgb(var(--green-rgb) / .35);color:var(--heading)}
[hidden]{display:none !important}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.container{width:var(--container);margin-inline:auto}
.ic{width:18px;height:18px;flex:none;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}

/* skip link */
.skip-link{position:fixed;top:12px;left:12px;z-index:400;padding:10px 18px;border-radius:999px;background:var(--green);color:var(--ink);font-weight:600;transform:translateY(-200%);transition:transform .2s}
.skip-link:focus{transform:none}

/* textures */
.film-grain{position:fixed;inset:-10%;width:120%;height:120%;z-index:95;pointer-events:none;opacity:.03;background:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Cpath fill='%23fff' filter='url(%23g)' d='M0 0h180v180H0z'/%3E%3C/svg%3E") 0 0/180px 180px}
.dotgrid{position:absolute;width:560px;height:560px;pointer-events:none;background-image:radial-gradient(rgb(255 255 255 / .09) 1px,transparent 1.5px);background-size:22px 22px;-webkit-mask-image:radial-gradient(closest-side,#000 20%,transparent 100%);mask-image:radial-gradient(closest-side,#000 20%,transparent 100%)}
.dotgrid.tr{top:-120px;right:-140px}
.dotgrid.bl{bottom:-200px;left:-200px;width:460px;height:460px}

/* eyebrows / chips / badges */
.eyebrow{display:inline-flex;align-items:center;gap:14px;font:400 11px/1 var(--font-mono);letter-spacing:.26em;text-transform:uppercase;color:var(--yellow)}
.eyebrow::before{content:'';width:48px;height:1px;background:var(--yellow);flex:none}
.eyebrow.bare::before{display:none}
.chip{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 9px;border-radius:var(--r-s);border:1px solid var(--border-2);font:400 11px/1 var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);white-space:nowrap}
.chip.green{color:var(--green-light);border-color:rgb(var(--green-rgb) / .3);background:rgb(var(--green-rgb) / .12)}
.chip.yellow{color:var(--yellow);border-color:rgb(var(--yellow-rgb) / .3);background:rgb(var(--yellow-rgb) / .12)}
.chip.red{color:var(--red);border-color:rgb(var(--red-rgb) / .35);background:rgb(var(--red-rgb) / .1)}
.chip.outline-red{color:var(--red);border-color:rgb(var(--red-rgb) / .5)}
.chip.editorial{border-style:dashed;color:var(--soft)}
.bo{display:inline-block;padding:3px 9px;border-radius:var(--r-s);font:400 12px/1.3 var(--font-mono);border:1px solid var(--border-2);color:var(--text);background:rgb(255 255 255 / .06);white-space:nowrap;vertical-align:middle}
.bo-green{color:var(--green-light);border-color:rgb(var(--green-rgb) / .3);background:rgb(var(--green-rgb) / .12)}
.bo-yellow{color:var(--yellow);border-color:rgb(var(--yellow-rgb) / .3);background:rgb(var(--yellow-rgb) / .12)}
.bo-red{color:var(--red);border-color:rgb(var(--red-rgb) / .35);background:rgb(var(--red-rgb) / .12)}
.bo-neutral{}
.kbd{display:inline-block;padding:2px 6px;border:1px solid var(--border-2);border-radius:4px;font:400 10px/1.2 var(--font-mono);color:var(--faint)}

/* pills */
.pill{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:14px 28px;border-radius:999px;font:600 15px/1.2 var(--font-body);white-space:nowrap;transition:translate .25s var(--ease),background .25s,box-shadow .25s,border-color .25s,color .2s}
.pill.primary{background:var(--green);color:var(--ink);border:1px solid var(--green)}
.pill.primary:hover{background:var(--green-light);translate:-2px -2px;box-shadow:4px 4px 0 0 #000}
.pill.ghost{border:1px solid var(--border-2);color:var(--text)}
.pill.ghost:hover{border-color:rgb(var(--green-rgb) / .5);background:rgb(255 255 255 / .03);translate:0 -2px}
.pill-icon{width:16px;height:16px}

/* ── §0 Nav ───────────────────────────────────────────────────────────── */
.nav{position:fixed;top:0;left:0;right:0;height:var(--nav-h);z-index:100;display:flex;align-items:center;gap:32px;padding:0 48px;border-bottom:1px solid transparent;transition:background .3s,border-color .3s}
.nav.scrolled{background:rgb(8 8 10 / .88);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-color:var(--border)}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--heading)}
.brand:hover{color:var(--heading)}
.brand-name{font:600 15px/1 var(--font-display);letter-spacing:.08em;text-transform:uppercase;white-space:nowrap}
.brand-sep{color:var(--faint);font-weight:300}
.brand-guide{font:400 11px/1 var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);white-space:nowrap}

/* ── §R2 The mark: Magic struck out, AI written in ────────────────────── */
.mark{position:relative;display:inline-block;font:italic 500 1em/1 var(--font-story);font-variation-settings:"opsz" 144,"SOFT" 60,"WONK" 1;color:rgb(198 191 196 / .72);white-space:nowrap;padding-right:.1em}
.mark s{text-decoration:none;position:relative;display:inline-block}
.mark s svg{position:absolute;left:-3%;width:106%;top:50%;height:.24em;transform:translateY(-46%) rotate(-4deg);overflow:visible;pointer-events:none}
.mark s svg path{fill:none;stroke:var(--red);stroke-width:4.6;stroke-linecap:round;stroke-dasharray:110;stroke-dashoffset:0}
.mark ins{position:absolute;top:-.5em;right:-.12em;text-decoration:none;font:700 .56em/1 var(--font-display);letter-spacing:.02em;color:var(--yellow);transform:rotate(-8deg);-webkit-text-stroke:.04em var(--bg);paint-order:stroke fill;text-shadow:.05em .07em 0 rgb(0 0 0 / .55)}
.mark-nav{font-size:22px;top:-1px}
.mark-nav ins{top:-.42em;right:-.26em}
.mark-cover{font-size:1.1em;margin-top:-.02em}
.mark-story{font-size:1.1em;color:var(--soft)}
@media (hover:hover){.brand:hover .mark s svg path{animation:strike .5s var(--ease) both}}
@keyframes strike{from{stroke-dashoffset:110}to{stroke-dashoffset:0}}
.nav-links{display:flex;gap:22px;margin-left:auto;min-width:0}
.nav-links a{position:relative;font:400 11px/1 var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);padding:6px 0;white-space:nowrap;transition:color .2s}
.nav-links .nl-short{display:none}
.nav-links a:first-child{color:var(--heading)}
.nav-links a:first-child::before{content:'';display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--green);margin-right:8px;vertical-align:middle;translate:0 -1px}
.nav-links a::after{content:'';position:absolute;left:0;right:100%;bottom:0;height:1px;background:var(--green);transition:right .25s var(--ease)}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after,.nav-links a.is-current::after{right:0}
.nav-links a.is-current{color:var(--green)}
.search-pill{display:inline-flex;flex:none;white-space:nowrap;align-items:center;gap:10px;height:36px;padding:0 10px 0 12px;border-radius:999px;background:var(--card);border:1px solid var(--border);color:var(--muted);font-size:13px;transition:border-color .2s,color .2s}
.search-pill:hover{border-color:rgb(var(--green-rgb) / .4);color:var(--text)}
.search-pill .ic{width:16px;height:16px}
.nav-icon{display:none;width:44px;height:44px;align-items:center;justify-content:center;border-radius:12px;color:var(--text)}
.hamburger{display:none;width:44px;height:44px;flex-direction:column;align-items:center;justify-content:center;gap:6px}
.hamburger span{display:block;width:18px;height:1.5px;background:var(--text);transition:transform .25s}
.progress{position:fixed;top:var(--nav-h);left:0;height:2px;width:0;background:var(--green);z-index:99;transition:width .1s linear}

/* back to top */
.back-top{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;background:var(--card);border:1px solid var(--border-2);color:var(--green);display:grid;place-items:center;z-index:90;opacity:0;pointer-events:none;transition:opacity .3s,translate .25s}
.back-top.show{opacity:1;pointer-events:auto}
.back-top:hover{translate:0 -2px;border-color:var(--green)}

/* ── §1 Hero ──────────────────────────────────────────────────────────── */
.hero{position:relative;min-height:100svh;max-height:1100px;display:grid;align-content:center;padding:calc(var(--nav-h) + 48px) 0 72px;overflow:hidden}
.hero-lift{position:absolute;right:8%;top:30%;width:640px;height:640px;border-radius:50%;background:radial-gradient(closest-side,rgb(0 120 56 / .35),transparent 70%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.25fr 1fr;gap:48px;align-items:center}
.hero-copy .eyebrow{margin-bottom:28px}
.lockup{display:grid;justify-items:start;gap:.08em;font-size:clamp(64px,9vw,136px);line-height:1;letter-spacing:0}
.lockup .lk-small{font:400 .13em/1 var(--font-mono);letter-spacing:.32em;text-transform:uppercase;color:var(--yellow)}
.lockup .lk-main{display:block;font:700 1em/.92 var(--font-display);letter-spacing:-.02em;text-transform:uppercase;color:var(--green);-webkit-text-stroke:2px var(--bg);paint-order:stroke fill;text-shadow:6px 6px 0 rgb(0 0 0 / .55)}
.lockup .mark{font-size:.76em;margin:.04em 0 0 -.02em;padding-right:.34em;line-height:1.1}
.lockup .mark s svg path{stroke-width:5.2}
.lockup .mark ins{text-shadow:.06em .08em 0 rgb(0 0 0 / .6)}
.signature{display:flex;align-items:center;gap:14px;margin:22px 0 0 auto;width:max-content;font:italic 300 18px/1 var(--font-body);color:var(--red)}
.signature::before{content:'';width:48px;height:1px;background:var(--red)}
.tagline{margin:24px 0 0;font:400 14px/1.6 var(--font-mono);letter-spacing:.25em;text-transform:uppercase;color:var(--muted)}
.hero-ctas{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero-side{position:relative;display:grid;place-items:center;min-height:480px}
/* §R4 save-point card */
.respawn-card{position:relative;width:min(440px,100%);padding:28px;border-radius:var(--r-l);background:var(--card);box-shadow:0 0 0 1px var(--border),0 30px 80px rgb(0 0 0 / .45);overflow:hidden;animation:float 7s ease-in-out infinite}
.respawn-card::before{content:'';position:absolute;inset:0 0 auto 0;height:3px;background:var(--unit,var(--green))}
.respawn-card .dotgrid{width:260px;height:260px;top:-80px;right:-90px;-webkit-mask-image:radial-gradient(closest-side,#000 30%,transparent 100%);mask-image:radial-gradient(closest-side,#000 30%,transparent 100%)}
.rc-top{position:relative;display:flex;justify-content:space-between;align-items:center;gap:12px}
.rc-label{font:400 11px/1 var(--font-mono);letter-spacing:.26em;text-transform:uppercase;color:var(--yellow)}
.chip.unit{color:var(--unit,var(--green));border-color:rgb(var(--unit-rgb,var(--green-rgb)) / .35);background:rgb(var(--unit-rgb,var(--green-rgb)) / .1)}
.rc-mid{position:relative;display:flex;align-items:center;gap:20px;margin:22px 0 18px}
.rc-when{display:grid;gap:6px;font:400 12px/1.4 var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--soft)}
.rc-when .faint{color:var(--faint);letter-spacing:.08em;text-transform:none}
.rc-title{position:relative;font:600 30px/1.05 var(--font-display);margin:0 0 10px}
.rc-title a{color:var(--heading)}
.rc-title a:hover{color:var(--green-light)}
.rc-hook{position:relative;margin:0 0 22px;font-size:15px;color:var(--soft)}
.rc-foot{position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px}
.rc-count{font:400 11px/1 var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}

/* §R2.4 session stamp */
.stamp{display:inline-grid;place-items:center;align-content:center;flex:none;border-radius:50%;background:var(--code);box-shadow:var(--stamp);color:var(--unit,var(--green));font-family:var(--font-display);font-weight:700;line-height:1;text-transform:uppercase;letter-spacing:0}
.stamp-word{font:400 .5em/1 var(--font-mono);letter-spacing:.3em;text-transform:uppercase;color:var(--muted);margin-bottom:.35em;translate:.15em 0}
.stamp-lg{width:120px;height:120px;font-size:34px}
.stamp-lg .stamp-word{font-size:10px}
.stamp-md{width:72px;height:72px;font-size:22px}
.stamp-md .stamp-word{font-size:8px;letter-spacing:.2em}
.stamp-sm{width:28px;height:28px;font-size:10px;font-family:var(--font-mono);font-weight:400;box-shadow:0 0 0 1px rgb(var(--unit-rgb,var(--green-rgb)) / .4)}
.stamp.is-empty{color:var(--faint);box-shadow:0 0 0 1px var(--border-2);background:transparent;outline:1px dashed var(--faint);outline-offset:-4px}
.stamp.is-empty .stamp-word{color:var(--faint)}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
@keyframes pulse{from{transform:scale(1);opacity:1}to{transform:scale(1.25);opacity:0}}
.stats{display:flex;align-items:center;gap:32px;margin-top:64px;padding-top:36px;border-top:1px solid var(--border);flex-wrap:wrap}
.stat{display:grid;gap:6px}
.stat b{font:600 40px/1 var(--font-display);color:var(--heading)}
.stat span{font:400 11px/1 var(--font-mono);letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.stat-sep{width:1px;height:40px;background:var(--border-2)}
.scroll-hint{position:absolute;left:50%;bottom:20px;translate:-50% 0;display:grid;justify-items:center;gap:10px;font:400 10px/1 var(--font-mono);letter-spacing:.3em;color:var(--faint)}
.scroll-hint::after{content:'';width:1px;height:56px;background:linear-gradient(var(--faint),var(--green))}

/* custom cursor (home only, desktop) */
.cursor-dot,.cursor-ring{position:fixed;top:0;left:0;pointer-events:none;z-index:300;border-radius:50%;translate:-50% -50%}
.cursor-dot{width:6px;height:6px;background:var(--green)}
.cursor-ring{width:36px;height:36px;border:1px solid rgb(var(--green-rgb) / .6);transition:width .2s,height .2s}
.has-cursor .cursor-dot,.has-cursor .cursor-ring{display:block}
.cursor-dot,.cursor-ring{display:none}

/* ── Sections (home + landings) ───────────────────────────────────────── */
.section{position:relative;padding:128px 0}
.section.band{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-head{display:grid;gap:18px;margin-bottom:56px;max-width:820px}
.section-head h2{font-size:clamp(40px,5.2vw,72px);line-height:1}
.section-head .lede{margin:0;font-size:18px;color:var(--soft)}
.section-head .head-row{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap}

/* §2 tracks */
.tracks{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.card{position:relative;background:var(--card);border-radius:var(--r-m);box-shadow:0 0 0 1px var(--border);transition:translate .25s var(--ease),box-shadow .25s,background .25s;color:var(--text)}
.card:hover{background:var(--hover);translate:-2px -2px;box-shadow:var(--lift)}
.track-card{display:grid;grid-template-rows:auto auto 1fr auto;gap:14px;padding:28px;min-height:220px}
.track-card .track-top{display:flex;justify-content:space-between;align-items:center;color:var(--green)}
.track-card .track-top .ic{width:24px;height:24px}
.track-card h3{font:600 26px/1.1 var(--font-display);color:var(--heading)}
.track-card h3 a{color:inherit}
.track-card h3 a::after{content:'';position:absolute;inset:0;border-radius:inherit}
.track-card .track-links,.track-card .track-top .chip{position:relative;z-index:1}
.track-card p{margin:0;font-size:15px;color:var(--soft)}
.track-card .track-links{display:flex;flex-wrap:wrap;gap:6px 10px;font:400 11px/1.5 var(--font-mono);color:var(--muted)}
.track-card .track-links a{color:var(--muted)}
.track-card .track-links a:hover{color:var(--green)}

/* §3 which pattern when strip */
.strip{background:var(--surface);border-radius:var(--r-m);box-shadow:0 0 0 1px var(--border);overflow:hidden}
.strip-top{display:flex;align-items:center;gap:16px;padding:16px 20px;border-bottom:1px solid var(--border)}
.filter{display:flex;align-items:center;gap:10px;flex:1;height:44px;padding:0 14px;border-radius:var(--r-s);background:var(--card);border:1px solid var(--border)}
.filter input{flex:1;background:none;border:0;color:var(--text);font:400 13px/1 var(--font-mono);outline:0}
.filter input::placeholder{color:var(--faint)}
.strip-count{font:400 11px/1 var(--font-mono);letter-spacing:.14em;color:var(--muted)}
.strip-rows{display:grid}
.strip-row{display:grid;grid-template-columns:1fr auto auto;gap:24px;align-items:center;min-height:52px;padding:10px 20px;border-bottom:1px solid var(--border);font-size:15px}
.strip-row:last-child{border-bottom:0}
.strip-row .tell{color:var(--text)}
.strip-row .tell mark{background:none;color:var(--yellow)}
.strip-row .file{font:400 12px/1 var(--font-mono);color:var(--muted)}
.strip-row .file:hover{color:var(--green)}
.strip-row[hidden]{display:none}
.strip-row.is-extra{display:none}
.strip.show-all .strip-row.is-extra{display:grid}
.strip-more{display:flex;justify-content:center;padding:20px;border-top:1px solid var(--border)}

/* §4 naive vs optimal + languages + quote + marquee */
.pair{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.pair-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px;font:400 13px/1 var(--font-mono);color:var(--soft)}
.pair-head b{font-weight:400;color:var(--heading)}
.pair-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:20px;padding:16px 20px;border-radius:var(--r-m);background:var(--surface);box-shadow:0 0 0 1px var(--border)}
.pair-foot .why{margin:0;font-size:14px;color:var(--soft)}
.tiles{display:flex;flex-wrap:wrap;gap:16px}
.tile{display:flex;align-items:center;gap:14px;height:72px;padding:0 20px 0 16px;flex:1 1 calc(100% / 7 - 16px);min-width:150px}
.tile .mark{width:28px;height:28px;flex:none}
.tile .tile-name{font-size:15px;color:var(--text)}
.tile .chip{margin-left:auto}
.quote{text-align:center;overflow:hidden}
.quote .star{font-size:56px;line-height:1;color:var(--yellow)}
.quote h2{font:500 clamp(32px,4.5vw,56px)/1.1 var(--font-display);margin:24px auto 20px;max-width:900px}
.quote p{max-width:720px;margin:0 auto 32px;font-size:18px;color:var(--soft)}
.marquee{padding:80px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);overflow:hidden}
.marquee-track{display:flex;gap:48px;width:max-content;animation:marquee 32s linear infinite;font:700 48px/1 var(--font-display);text-transform:uppercase;color:var(--heading);white-space:nowrap}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-track .star{color:var(--green)}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ── §11 Footer ───────────────────────────────────────────────────────── */
.footer{padding:72px 0 40px;border-top:1px solid var(--border);background:var(--bg)}
.footer-top{display:grid;grid-template-columns:auto 1fr auto;gap:48px;align-items:start;padding-bottom:40px;border-bottom:1px solid var(--border)}
.footer-sections{display:grid;grid-template-columns:1fr 1fr;gap:10px 48px;justify-self:center}
.footer-sections a{font:400 11px/1.6 var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.footer-sections a:hover{color:var(--green)}
.footer-links{display:flex;gap:10px}
.footer-links a{display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;border-radius:999px;border:1px solid var(--border-2);font-size:13px;color:var(--soft)}
.footer-links a:hover{border-color:var(--green);color:var(--green)}
.footer-bottom{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;padding-top:24px;font-size:13px;color:var(--faint)}
.footer-bottom b{font-weight:600;color:var(--green)}
.footer-bottom a{color:var(--soft)}
.footer-disclosure{display:none}

/* ── §6 Landing ───────────────────────────────────────────────────────── */
.landing-head{position:relative;padding:calc(var(--nav-h) + 96px) 0 64px;overflow:hidden}
.landing-head h1{font-size:clamp(44px,6vw,88px);line-height:1;margin:20px 0 24px}
.landing-head .intro{max-width:720px;font-size:19px;color:var(--soft)}
.landing-head .intro p:last-child{margin-bottom:0}
.landing-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.context{padding:64px 0;background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.context h2{font:600 30px/1.1 var(--font-display);margin:0 0 20px}
.context h2:not(:first-child){margin-top:48px}
.context .two-col ul{columns:2;column-gap:48px}
.groups{display:grid;grid-template-columns:1fr 1fr;gap:24px;padding:64px 0 128px}
.group-card{padding:28px;display:grid;gap:14px;align-content:start}
.group-card .group-head{display:flex;justify-content:space-between;align-items:center;gap:16px}
.group-card h2{font:600 22px/1.1 var(--font-display)}
.group-card .group-intro{margin:0;font-size:15px;color:var(--soft)}
.group-card ol{list-style:none;margin:0;padding:0;display:grid}
.group-card li{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:40px;border-top:1px solid var(--border);padding:6px 0}
.group-card li a{color:var(--text);font-size:15px;flex:1}
.group-card li a:hover{color:var(--green)}
.group-card li:hover{background:linear-gradient(90deg,transparent,rgb(255 255 255 / .02))}
.notice{display:flex;align-items:center;gap:16px;padding:16px 20px;border-radius:var(--r-m);background:var(--surface);box-shadow:0 0 0 1px var(--border);font-size:14px;color:var(--soft)}
.notice code{font-size:12px}
.groups .notice{grid-column:1 / -1}
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin:0 0 24px}
.step-card{display:grid;gap:10px;padding:20px;min-height:120px;color:var(--text)}
.step-card .num{font:400 11px/1 var(--font-mono);letter-spacing:.2em;color:var(--yellow)}
.step-card b{font:600 17px/1.2 var(--font-display);color:var(--heading)}
.step-card span{font-size:13px;color:var(--muted)}
.lists-2{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.lists-2 .card{padding:28px}
.lists-2 h2{font:600 22px/1.1 var(--font-display);margin-bottom:16px}
.lists-2 ul,.lists-2 ol{margin:0;padding-left:22px;display:grid;gap:8px;font-size:15px}
.challenge{margin-bottom:16px}
.challenge .code{margin:0}

/* ── §5 Doc layout ────────────────────────────────────────────────────── */
.doc{display:grid;grid-template-columns:var(--sidebar-w) minmax(0,1fr) var(--rail-w);gap:48px;max-width:1440px;margin:0 auto;padding:var(--nav-h) 48px 0}
.sidebar{position:sticky;top:var(--nav-h);align-self:start;max-height:calc(100vh - var(--nav-h));overflow:auto;padding:40px 24px 40px 0;border-right:1px solid var(--border);scrollbar-width:thin;scrollbar-color:var(--border-2) transparent}
.tree-title{display:flex;justify-content:space-between;align-items:center;margin:0 0 16px;font:400 11px/1 var(--font-mono);letter-spacing:.26em;text-transform:uppercase;color:var(--yellow)}
.tree-title span{color:var(--faint);letter-spacing:.1em}
.tree{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.tree-group>button{display:flex;align-items:center;gap:8px;width:100%;height:36px;padding:0 8px;border-radius:var(--r-s);font:600 13px/1 var(--font-body);color:var(--text);text-align:left}
.tree-group>button:hover{background:var(--card)}
.tree-group>button .ic{width:14px;height:14px;color:var(--muted);transition:transform .2s}
.tree-group.open>button .ic{transform:rotate(90deg)}
.tree-group>button .count{margin-left:auto;font:400 10px/1 var(--font-mono);color:var(--faint)}
.tree-group ul{list-style:none;margin:2px 0 8px;padding:0 0 0 12px;border-left:1px solid var(--border);display:none}
.tree-group.open ul{display:grid}
.tree-group li a{position:relative;display:block;padding:6px 10px;margin-left:-13px;padding-left:22px;border-radius:0 var(--r-s) var(--r-s) 0;font-size:14px;line-height:1.4;color:var(--muted);transition:color .15s,background .15s}
.tree-group li a:hover{color:var(--text)}
.tree-group li a.is-current{color:var(--green);background:var(--card)}
.tree-group li a.is-current::before{content:'';position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--green)}
.article{max-width:var(--measure);width:100%;padding:40px 0 96px;min-width:0}
.article.wide{--measure:720px}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;font:400 11px/1.6 var(--font-mono);letter-spacing:.04em;color:var(--muted);margin-bottom:28px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--green)}
.crumbs .sep{color:var(--faint)}
.crumbs .cur{color:var(--text)}
.crumbs .crumb-back{display:none}
.article .eyebrow{margin-bottom:18px}
.article h1{font-size:clamp(36px,4vw,52px);line-height:1.05;margin-bottom:18px}
.article .lede{font-size:19px;color:var(--soft);margin-bottom:20px}
.meta-row{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;margin-bottom:36px;font:400 11px/1.6 var(--font-mono);letter-spacing:.06em;color:var(--muted)}
.meta-row .chips{display:flex;flex-wrap:wrap;gap:8px}
.rail{position:sticky;top:calc(var(--nav-h) + 24px);align-self:start;max-height:calc(100vh - var(--nav-h) - 48px);overflow:auto;padding:40px 0 40px;display:grid;grid-template-columns:minmax(0,1fr);gap:28px;align-content:start;min-width:0;scrollbar-width:thin;scrollbar-color:var(--border-2) transparent}
.rail>*{min-width:0}
.rail-title{margin:0 0 10px;font:400 11px/1 var(--font-mono);letter-spacing:.26em;text-transform:uppercase;color:var(--yellow)}
.toc{position:relative;list-style:none;margin:0;padding:0;display:grid;max-height:50vh;overflow:auto;-webkit-mask-image:linear-gradient(#000 85%,transparent);mask-image:linear-gradient(#000 85%,transparent);scrollbar-width:none}
.toc.short{-webkit-mask-image:none;mask-image:none}
.toc li a{position:relative;display:block;padding:5px 0 5px 12px;font-size:13px;line-height:1.4;color:var(--muted);border-left:2px solid transparent;transition:color .15s,border-color .15s}
.toc li.l3 a{padding-left:24px;font-size:12px}
.toc li a:hover{color:var(--text)}
.toc li a.is-active{color:var(--green);border-left-color:var(--green)}
.toc.steps-rail li a{display:flex;gap:10px;align-items:baseline;padding:7px 0 7px 12px}
.toc.steps-rail .n{font:600 14px/1 var(--font-display);color:var(--green)}
.rail-actions{display:grid;gap:8px}
.rail-actions a,.rail-actions button{display:inline-flex;align-items:center;gap:8px;font:400 12px/1 var(--font-mono);color:var(--muted);padding:6px 0}
.rail-actions a:hover{color:var(--green)}
.glance-inline{display:none}

/* doc toolbar (tablet) and bottom bar (mobile) */
.doc-toolbar{display:none}
.bottom-bar{display:none}
.drawer-scrim{position:fixed;inset:0;background:rgb(8 8 10 / .6);z-index:150;opacity:0;pointer-events:none;transition:opacity .25s}
.drawer-scrim.show{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;bottom:0;left:0;width:320px;max-width:100%;background:var(--surface);border-right:1px solid var(--border);z-index:160;transform:translateX(-100%);transition:transform .25s var(--ease);overflow:auto;padding:24px}
.drawer.show{transform:none}
.drawer .drawer-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.drawer .close{width:40px;height:40px;display:grid;place-items:center;border-radius:12px}
.drawer .close:hover{background:var(--card)}
.drawer .tree{margin-top:8px}
.drawer .sections{display:grid;gap:6px;margin:0;padding:0;list-style:none}
.drawer .sections>li>a{display:flex;justify-content:space-between;align-items:center;height:44px;padding:0 10px;border-radius:var(--r-s);font:600 14px/1 var(--font-body);color:var(--text)}
.drawer .sections>li>a.is-current{color:var(--green);background:var(--card)}
.drawer .sections .count{font:400 10px/1 var(--font-mono);color:var(--faint)}
.drawer .search-pill{width:100%;height:44px;justify-content:flex-start}
.sheet{position:fixed;left:0;right:0;bottom:0;max-height:70vh;background:var(--surface);border-top:1px solid var(--border-2);border-radius:var(--r-l) var(--r-l) 0 0;z-index:160;transform:translateY(100%);transition:transform .25s var(--ease);overflow:auto;padding:12px 20px 32px}
.sheet.show{transform:none}
.sheet::before{content:'';display:block;width:36px;height:4px;border-radius:2px;background:var(--faint);margin:0 auto 16px}
.sheet .toc{max-height:none;-webkit-mask-image:none;mask-image:none}
.sheet .toc li a{font-size:15px;padding:10px 0 10px 12px}

/* ── §7 Doc components ────────────────────────────────────────────────── */
/* prose */
.prose>*:first-child{margin-top:0}
.lesson{margin:0 0 48px;padding-bottom:36px;border-bottom:1px solid var(--border)}
.lesson h2:first-of-type{margin-top:12px}
.lesson-bridge{margin:28px 0 0;padding:14px 16px;border-left:3px solid var(--yellow);color:var(--soft);font-size:15px}
.prose h2{position:relative;font-size:30px;margin:64px 0 20px;padding-top:20px}
.prose h2::before{content:'';position:absolute;top:0;left:0;width:48px;height:1px;background:var(--yellow)}
.prose h3{font:600 20px/1.3 var(--font-body);margin:40px 0 14px}
.prose h4{font:600 17px/1.3 var(--font-body);margin:28px 0 10px;color:var(--soft)}
.prose h5,.prose h6{font:400 12px/1.4 var(--font-mono);letter-spacing:.12em;text-transform:uppercase;margin:24px 0 10px;color:var(--yellow)}
.prose p,.prose li{overflow-wrap:anywhere}
.prose a{text-decoration:underline;text-decoration-color:rgb(var(--green-rgb) / .4)}
.prose a:hover{text-decoration-color:var(--green-light)}
.prose a.ext::after{content:' ↗';font-size:.8em}
.prose ul,.prose ol{margin:0 0 20px;padding-left:28px}
.prose li{margin:6px 0}
.prose li::marker{color:var(--green)}
.prose code{font-size:.85em;background:rgb(255 255 255 / .06);padding:2px 6px;border-radius:var(--r-s);color:var(--heading)}
.prose pre code{background:none;padding:0;border-radius:0;font-size:inherit;color:inherit}
.prose hr{border:0;border-top:1px solid var(--border);margin:48px 0}
.prose strong{color:var(--heading);font-weight:600}
.prose img{border-radius:var(--r-m)}
.prose .img,.prose .video{margin:28px 0;padding:12px;background:var(--surface);border-radius:var(--r-m);box-shadow:0 0 0 1px var(--border)}
.prose .img img,.prose .video video{margin:0 auto;border-radius:var(--r-s);max-height:560px;object-fit:contain}
.prose figcaption{margin-top:10px;font:400 11px/1.5 var(--font-mono);letter-spacing:.06em;color:var(--muted);text-align:center}
.prose .video video{width:100%;background:#000}
.prose sup{font-size:12px;color:var(--muted)}
.h-anchor{margin-left:10px;font:400 .6em/1 var(--font-mono);color:var(--faint);opacity:0;transition:opacity .2s;text-decoration:none !important}
h2:hover .h-anchor,h3:hover .h-anchor,h4:hover .h-anchor{opacity:1}
.cs-link{display:inline-flex;align-items:center;gap:10px;margin:8px 0 20px;padding:12px 18px;border-radius:999px;border:1px solid rgb(var(--green-rgb) / .4);font:600 14px/1 var(--font-body);color:var(--green);text-decoration:none !important}
.cs-link:hover{background:rgb(var(--green-rgb) / .1)}
.prose .h-callout{margin-bottom:12px}

/* tables */
.table-wrap{margin:24px 0;overflow-x:auto;border-radius:var(--r-m);box-shadow:0 0 0 1px var(--border);-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 24px),transparent);mask-image:linear-gradient(90deg,#000 calc(100% - 24px),transparent)}
.table-wrap.no-fade,.table-wrap:not(.overflowing){-webkit-mask-image:none;mask-image:none}
table{width:100%;border-collapse:collapse;font-size:15px}
thead th{background:var(--surface);font:400 11px/1.4 var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);text-align:left;padding:12px 16px;border-bottom:1px solid var(--border-2)}
tbody td{padding:10px 16px;border-bottom:1px solid var(--border);vertical-align:top;min-height:44px}
tbody tr:nth-child(even) td{background:rgb(255 255 255 / .02)}
tbody tr:last-child td{border-bottom:0}
td code{white-space:nowrap}

/* callouts */
.callout{position:relative;margin:24px 0;padding:20px 20px 20px 24px;border-radius:var(--r-m);background:var(--surface);border-left:4px solid var(--border-2)}
.callout-label{display:block;margin-bottom:8px;font:400 11px/1 var(--font-mono);letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.callout-body>*:last-child{margin-bottom:0}
.callout.say{border-left-color:var(--yellow)}
.callout.say .callout-label{color:var(--yellow)}
.callout.do{border-left-color:var(--green)}
.callout.do .callout-label{color:var(--green)}
.callout.dont{border-left-color:var(--red)}
.callout.dont .callout-label{color:var(--red)}
.editorial-mark{border-bottom:1px dashed var(--yellow);text-decoration:none;cursor:help}
.callout.editorial{border:1px dashed var(--border-2);border-left-width:1px}
.callout.editorial .callout-label{color:var(--soft)}
.callout.changes ul{margin:0;padding-left:20px}

/* at-a-glance */
.glance{padding:20px;display:grid;grid-template-columns:minmax(0,1fr);gap:12px;align-content:start;min-width:0}
.glance-row dd{min-width:0;overflow-wrap:anywhere}
.glance-row dd code{font-size:.85em;background:rgb(255 255 255 / .06);padding:1px 5px;border-radius:var(--r-s)}
.glance .rail-title{margin:0}
.glance-row{display:grid;grid-template-columns:72px 1fr;gap:12px;align-items:start}
.glance-row dt{font:400 11px/1.6 var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.glance-row dd{margin:0;font-size:14px;line-height:1.55;color:var(--text)}
.glance-row dd .chips{display:flex;flex-wrap:wrap;gap:6px}
.glance-row dd .bo{margin:1px 2px 1px 0}
.glance dl{margin:0;display:grid;gap:12px}
.glance .bo-row{display:flex;flex-wrap:wrap;gap:6px}
.glance .bo-row .k{font:400 10px/1 var(--font-mono);color:var(--faint);letter-spacing:.1em;align-self:center;margin-right:2px}

/* section blocks (T-PREP) */
.block{margin:32px 0;background:var(--surface);border-radius:var(--r-m);box-shadow:0 0 0 1px var(--border);overflow:hidden}
.block-head{display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:start;padding:16px 20px;border-bottom:1px solid var(--border)}
.block-num{font:600 20px/1.3 var(--font-display);color:var(--green)}
.block-title{font:600 16px/1.4 var(--font-body);color:var(--heading)}
.block-idea{margin:2px 0 0;font-size:14px;color:var(--soft)}
.block-cx{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.block .code{margin:0;border-radius:0;box-shadow:none}
.block-foot{padding:0}
.block-foot details{border-top:1px solid var(--border)}
.block-foot summary{list-style:none;display:flex;align-items:center;gap:10px;padding:10px 20px;font:400 12px/1 var(--font-mono);letter-spacing:.08em;color:var(--muted);cursor:pointer}
.block-foot summary::-webkit-details-marker{display:none}
.block-foot summary .ic{width:14px;height:14px;transition:transform .2s}
.block-foot details[open] summary .ic{transform:rotate(90deg)}
.block-foot .code{border-top:1px solid var(--border)}
.preamble{margin:0 0 24px}

/* code panel */
.code{margin:24px 0;background:var(--code);border-radius:var(--r-m);box-shadow:0 0 0 1px var(--border);overflow:hidden;font-size:14px}
.code-head{display:flex;align-items:center;gap:12px;min-height:40px;padding:0 8px 0 14px;border-bottom:1px solid var(--border);background:rgb(255 255 255 / .02)}
.code-lang{font:400 11px/1 var(--font-mono);letter-spacing:.14em;color:var(--muted)}
.code-title{font:400 12px/1 var(--font-mono);color:var(--soft);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.code-tabs{display:flex;gap:2px;margin:0 auto;overflow-x:auto;scrollbar-width:none}
.code-tab{position:relative;height:40px;padding:0 12px;font:400 12px/1 var(--font-mono);color:var(--muted);white-space:nowrap}
.code-tab:hover{color:var(--text)}
.code-tab.is-active{color:var(--text)}
.code-tab.is-active::after{content:'';position:absolute;left:8px;right:8px;bottom:-1px;height:2px;background:var(--green)}
.code-actions{display:flex;align-items:center;gap:4px;margin-left:auto}
.copy-btn,.run-btn{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 10px;border-radius:999px;font:400 12px/1 var(--font-mono);color:var(--muted);transition:color .2s,background .2s}
.copy-btn:hover{color:var(--text);background:rgb(255 255 255 / .06)}
.copy-btn .ic,.run-btn .ic{width:14px;height:14px}
.copy-btn.is-copied,.run-btn.is-copied{color:var(--green)}
.copy-btn.is-failed,.run-btn.is-failed{color:var(--red)}
.run-btn{background:var(--green);color:var(--ink);font-weight:600;font-family:var(--font-body);font-size:13px}
.run-btn:hover{background:var(--green-light)}
.run-btn.is-node{background:none;color:var(--yellow);border:1px solid rgb(var(--yellow-rgb) / .4);font-weight:400;font-family:var(--font-mono);font-size:11px}
.run-btn.is-running{opacity:.6;pointer-events:none}
.code-body{position:relative}
.code-pane{display:none}
.code-pane.is-active{display:block}
.code pre{margin:0;padding:16px 0;overflow:auto;line-height:1.65;tab-size:2;counter-reset:ln;max-height:none}
.code pre[data-tall]{max-height:560px}
.code.is-expanded pre[data-tall]{max-height:none}
.code pre code{display:block;min-width:max-content;padding-right:20px}
.code .line{display:block;padding-left:56px;position:relative;min-height:1.65em}
.code .line::before{counter-increment:ln;content:counter(ln);position:absolute;left:0;width:40px;text-align:right;color:var(--faint);user-select:none;font-size:12px}
.code-expand{display:block;width:100%;padding:10px;border-top:1px solid var(--border);font:400 12px/1 var(--font-mono);color:var(--muted);background:rgb(255 255 255 / .02)}
.code-expand:hover{color:var(--text)}
.code.is-expanded .code-expand{display:none}
.code-out{border-top:1px solid var(--border);background:#0A0A0D}
.code-out-head{display:flex;justify-content:space-between;align-items:center;padding:6px 14px;font:400 11px/1 var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.code-out-clear{font:400 11px/1 var(--font-mono);color:var(--faint)}
.code-out-body{margin:0;padding:8px 14px 14px;max-height:240px;overflow:auto;font-size:13px;line-height:1.6;color:var(--soft);white-space:pre-wrap}
.code-out-body .ok{color:var(--green-light)}
.code-out-body .err{color:var(--red)}
.code-out-body .dim{color:var(--faint)}
.code-note{display:flex;gap:8px;align-items:flex-start;margin:0;padding:10px 14px;border-top:1px solid var(--border);font-size:12px;color:var(--muted)}
.code-note .ic{width:14px;height:14px;margin-top:3px}
.code-note code{font-size:11px}

/* ── Live stage (session pages): an html fence rendered as real DOM, fenced off from the lesson ── */
.stage{margin:-12px 0 24px;border-radius:0 0 var(--r-m) var(--r-m);background:var(--surface);box-shadow:0 0 0 1px var(--border);overflow:hidden}
.code:has(+.stage){margin-bottom:0;border-radius:var(--r-m) var(--r-m) 0 0}
.code+.stage{margin-top:0}
.stage-head{display:flex;align-items:center;gap:14px;min-height:36px;padding:0 14px;border-bottom:1px dashed var(--border-2);font:400 11px/1 var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.stage-lbl{display:inline-flex;align-items:center;gap:6px;color:var(--yellow)}
.stage-lbl .ic{width:12px;height:12px}
.stage-file{color:var(--faint);letter-spacing:.08em;text-transform:none}
.stage-state{margin-left:auto;color:var(--faint)}
.stage.is-live .stage-state{color:var(--green-light)}
.stage.is-failed .stage-state{color:var(--red)}
.stage.is-live{box-shadow:0 0 0 1px rgb(var(--green-rgb) / .45)}
.stage-root{padding:18px 20px 20px;outline:0;font:400 16px/1.5 var(--font-body);color:var(--text)}
.stage-root:focus-visible{box-shadow:inset 0 0 0 2px rgb(var(--yellow-rgb) / .5)}
.stage-root>*+*{margin-top:12px}
.stage-root h2,.stage-root h3,.stage-root h4{margin:0;font:600 20px/1.25 var(--font-display);color:var(--heading)}
.stage-root h3{font-size:18px}
.stage-root h4{font-size:16px}
.stage-root p{margin:0}
.stage-root ul,.stage-root ol{margin:0;padding-left:22px}
.stage-root li{padding:4px 0}
.stage-root button{display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 14px;border-radius:999px;background:var(--card);box-shadow:0 0 0 1px var(--border-2);font:600 14px/1 var(--font-body);color:var(--text);transition:background .15s,box-shadow .15s}
.stage-root button:hover{background:var(--hover);box-shadow:0 0 0 1px rgb(var(--green-rgb) / .5)}
.stage-root button:disabled,.stage-root button[disabled]{opacity:.45;cursor:not-allowed}
.stage-root button.primary,.stage-root button[type="submit"]{background:var(--green);color:var(--ink);box-shadow:none}
.stage-root button[type="submit"]:hover{background:var(--green-light)}
.stage-root input,.stage-root select,.stage-root textarea{height:36px;padding:0 12px;border-radius:var(--r-s);background:var(--code);border:1px solid var(--border-2);color:var(--text);font:400 14px/1 var(--font-body);outline:0}
.stage-root input:focus,.stage-root select:focus{border-color:rgb(var(--green-rgb) / .7)}
.stage-root input[type="number"]{width:90px}
.stage-root form{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.stage-root label{font-size:13px;color:var(--muted)}
.stage-root .row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.stage-root .card{padding:12px 16px;border-radius:var(--r-s);background:var(--card);box-shadow:0 0 0 1px var(--border-2);border-left:4px solid var(--faint)}
.stage-root .card>*+*{margin-top:6px}
.stage-root .card .row{margin-top:10px}
.stage-root .highlight{background:rgb(var(--yellow-rgb) / .18);box-shadow:0 0 0 1px rgb(var(--yellow-rgb) / .4);border-radius:4px;padding:0 4px}
.stage-root .big{font-size:1.5em}
.stage-root .hidden{display:none}
.stage-root .muted{color:var(--muted)}
.stage-root .completed{text-decoration:line-through;opacity:.5}
.stage-root .easy,.stage-root .low{border-left-color:var(--green)}
.stage-root .medium{border-left-color:var(--yellow)}
.stage-root .hard,.stage-root .high{border-left-color:var(--red)}
.stage-root .legendary,.stage-root .urgent{border-left-color:#B16CFF}
.stage-root .tag{display:inline-block;padding:2px 8px;border-radius:999px;background:var(--code);font:400 11px/1.6 var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.stage-root .counter{font:600 14px/1 var(--font-mono);color:var(--yellow)}
.stage-root .log{min-height:24px;padding:8px 12px;border-radius:var(--r-s);background:var(--code);font:400 13px/1.6 var(--font-mono);color:var(--soft);max-height:168px;overflow:auto}
.stage-root .square{width:52px;height:52px;justify-content:center;padding:0;border-radius:var(--r-s);font:600 22px/1 var(--font-mono)}
.stage-root button.lit{background:rgb(var(--yellow-rgb) / .2);box-shadow:0 0 0 1px var(--yellow);color:var(--yellow)}
.stage-root button.win{background:rgb(var(--green-rgb) / .2);box-shadow:0 0 0 1px var(--green);color:var(--green-light)}
.stage-root .win{color:var(--green-light)}
.stage-root .lose{color:var(--red)}
/* Terminal stages (§R8): the lesson terminal under a `bash term=` fence. Same frame as .stage; the screen is a real
   scrollback (mono, pre) and the last line is a live prompt with a text input. */
.term{margin:-12px 0 24px;border-radius:0 0 var(--r-m) var(--r-m);background:var(--surface);box-shadow:0 0 0 1px var(--border);overflow:hidden}
.code:has(+.term){margin-bottom:0;border-radius:var(--r-m) var(--r-m) 0 0}
.code+.term{margin-top:0}
.term-head{display:flex;align-items:center;gap:14px;min-height:36px;padding:0 14px;border-bottom:1px dashed var(--border-2);font:400 11px/1 var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.term-lbl{display:inline-flex;align-items:center;gap:6px;color:var(--yellow)}
.term-lbl .ic{width:12px;height:12px}
.term-host{color:var(--faint);letter-spacing:.08em;text-transform:none}
.term-state{margin-left:auto;color:var(--faint);white-space:nowrap}
.term-out:empty::after{content:"\00a0"}
.term.is-live .term-state{color:var(--green-light)}
.term.is-live{box-shadow:0 0 0 1px rgb(var(--green-rgb) / .45)}
.term-note{margin:0;padding:10px 14px;border-bottom:1px solid var(--border);font:400 13px/1.5 var(--font-body);color:var(--soft)}
.term-screen{min-height:72px;max-height:420px;overflow:auto;padding:14px 16px 6px;background:var(--code);font:400 13.5px/1.55 var(--font-mono);color:var(--text);white-space:pre-wrap;overflow-wrap:anywhere;tab-size:8;cursor:text}
.term-screen:empty::before{content:"press Run in terminal, or type a command below";color:var(--faint);font-style:italic}
.term-cmd{color:var(--text)}
.term-ps1{color:var(--green-light)}
.term-typed{color:var(--heading,var(--text));font-weight:600}
.term-out{color:var(--soft)}
.term-err{color:var(--red)}
.term-comment{color:var(--faint);font-style:italic}
.term-line{display:flex;align-items:center;gap:8px;padding:8px 16px 10px;background:var(--code);border-top:1px solid var(--border);font:400 13.5px/1.4 var(--font-mono)}
.term-line .term-ps1{white-space:nowrap}
.term-input{flex:1;min-width:0;height:28px;padding:0 4px;border:0;border-radius:4px;background:transparent;color:var(--text);font:inherit;outline:0;caret-color:var(--green-light)}
.term-input::placeholder{color:var(--faint);font-style:italic}
.term:focus-within .term-line{border-top-color:rgb(var(--green-rgb) / .5)}
.run-btn.is-term{color:var(--green-light)}

/* exercise */
.directions{margin:0 0 24px;padding:20px 24px;background:var(--surface);border-left:4px solid var(--green);border-radius:0 var(--r-m) var(--r-m) 0;font-size:17px}
.directions .callout-label{color:var(--green);display:block;margin-bottom:8px}
.directions p{margin:0 0 10px}
.directions p:last-child{margin-bottom:0}
.gate{margin:32px 0;padding:28px 32px 32px;border:1px dashed rgb(var(--green-rgb) / .6);border-radius:var(--r-m);background:var(--surface);display:grid;gap:14px;justify-items:start}
.gate h2{font:600 22px/1.1 var(--font-display);margin:0;padding-top:0}
.gate h2::before{display:none}
.gate .code{margin:6px 0;width:100%;justify-self:stretch}
.gate p{margin:0;color:var(--soft)}
.gate .gate-actions{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.gate.is-done{border-style:solid;border-color:var(--border-2)}
.gate.is-done .gate-actions{display:none}
html.no-scroll{overflow:hidden}
.gate .skip{font:400 12px/1 var(--font-mono);color:var(--muted);text-decoration:underline;text-underline-offset:4px}
.solution{transition:opacity .35s,translate .35s}
.solution.is-hidden{display:none}
.solution.reveal{animation:rise .4s var(--ease)}
@keyframes rise{from{opacity:0;translate:0 12px}to{opacity:1;translate:0 0}}
.hide-again{font:400 11px/1 var(--font-mono);color:var(--muted);text-decoration:underline;margin-left:auto}

/* language switcher + step rail */
.lang-switch{position:sticky;top:var(--nav-h);z-index:20;display:flex;gap:8px;margin:0 0 28px;padding:12px 0;overflow-x:auto;scrollbar-width:none;background:linear-gradient(var(--bg) 85%,transparent);-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 20px),transparent);mask-image:linear-gradient(90deg,#000 calc(100% - 20px),transparent)}
.lang-switch a{display:inline-flex;align-items:center;height:32px;padding:0 12px;border-radius:999px;background:var(--card);border:1px solid var(--border);font:400 12px/1 var(--font-mono);color:var(--soft);white-space:nowrap;flex:none}
.lang-switch a:hover{border-color:rgb(var(--green-rgb) / .5);color:var(--text)}
.lang-switch a.is-current{background:var(--green);border-color:var(--green);color:var(--ink)}
.step-rail{display:flex;align-items:center;gap:0;max-width:100%;overflow-x:auto;margin:0 0 32px;font:400 11px/1 var(--font-mono);letter-spacing:.12em;text-transform:uppercase}
.step-rail a{display:flex;align-items:center;gap:8px;flex:none;white-space:nowrap;color:var(--muted)}
.step-rail a::before{content:'';width:10px;height:10px;border-radius:50%;border:1px solid var(--border-2)}
.step-rail a.is-current{color:var(--text)}
.step-rail a.is-current::before{background:var(--green);border-color:var(--green)}
.step-rail a.done::before{border-color:var(--green)}
.step-rail .sep{flex:1;height:1px;background:var(--border);margin:0 10px;min-width:12px}
.paired{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}
.paired .code{margin:0}
.paired-cap{margin:-8px 0 24px;font:400 11px/1.5 var(--font-mono);letter-spacing:.1em;color:var(--muted)}

/* source card, pager, see also */
.source{margin:56px 0 0;padding:20px;display:grid;gap:12px}
.source .rail-title{margin:0}
.source-row{display:grid;grid-template-columns:88px 1fr;gap:12px;font-size:14px;line-height:1.5}
.source-row dt{font:400 11px/1.6 var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.source-row dd{margin:0;color:var(--soft);overflow-wrap:anywhere}
.source-row dd a{text-decoration:underline;text-decoration-color:rgb(var(--green-rgb) / .4)}
.source dl{margin:0;display:grid;gap:10px}
.source .attrib{font-size:14px;color:var(--soft);margin:0 0 4px}
.source.creator .attrib{line-height:1.6}
.source.creator .attrib strong{color:var(--heading);font-weight:600}
.creator-link{display:inline-flex;align-items:center;gap:4px;color:var(--green);font:500 13px/1 var(--font-mono);letter-spacing:.02em;text-decoration:underline;text-decoration-color:rgb(var(--green-rgb) / .4);text-underline-offset:3px}
.creator-link:hover{text-decoration-color:var(--green)}
.source .docs{display:flex;flex-wrap:wrap;gap:6px 14px}
.source .docs a{display:inline-flex;gap:4px;align-items:center;font:400 12px/1.4 var(--font-mono)}
.source .docs .ic{width:12px;height:12px}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:40px 0 0}
.pager a{padding:20px;display:grid;gap:6px;color:var(--text)}
.pager a.next{text-align:right}
.pager .lbl{display:inline-flex;align-items:center;gap:8px;font:400 11px/1 var(--font-mono);letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.pager a.next .lbl{justify-content:flex-end}
.pager .lbl .ic{width:14px;height:14px}
.pager b{font:600 16px/1.3 var(--font-body);color:var(--heading)}
.pager span{font-size:13px;color:var(--muted)}
.pager .empty{visibility:hidden}
.see-also{margin:32px 0 0}
.see-also .rail-title{margin-bottom:12px}
.see-also .chips{display:flex;flex-wrap:wrap;gap:8px}
.see-also .chip{height:30px;color:var(--soft)}
.see-also .chip:hover{border-color:var(--green);color:var(--green)}
/* Long episode titles must wrap inside the Explained reading column. */
.sec-explained .see-also .chip{max-width:100%;height:auto;min-height:30px;padding-top:7px;padding-bottom:7px;white-space:normal;overflow-wrap:anywhere;line-height:1.4}

/* naive vs optimal pairs */
.pairs .pair-block{margin:40px 0;padding:24px;background:var(--surface);border-radius:var(--r-m);box-shadow:0 0 0 1px var(--border)}
.pairs .prompt{font-size:16px;color:var(--text);margin-bottom:20px}
.pairs .pair-block .pair .code{margin:0}

.pair-side{min-width:0}
.pair-side .code{margin:0}
.pair-tests{margin-top:20px;border-top:1px solid var(--border);padding-top:16px}
.pair-tests>summary{display:flex;align-items:center;gap:8px;cursor:pointer;list-style:none;font:400 12px/1 var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.pair-tests>summary::-webkit-details-marker{display:none}
.pair-tests>summary .ic{width:14px;height:14px;transition:transform .2s}
.pair-tests[open]>summary .ic{transform:rotate(90deg)}
.pair-tests[open]>summary{margin-bottom:14px;color:var(--text)}
.strip-empty{grid-template-columns:1fr;color:var(--muted);text-align:center}

/* glance SAY as prose */
.say-prose{display:block;color:var(--yellow);font-size:13px;line-height:1.55}

/* landing extras */
.editorial-intro{margin-bottom:32px;padding:20px 24px;border-left:2px solid var(--yellow);background:rgb(var(--yellow-rgb) / .04);border-radius:0 var(--r-m) var(--r-m) 0;color:var(--soft)}
.editorial-intro p:last-child{margin-bottom:0}
.readme-table{margin:0;border-top:1px solid var(--border);padding-top:10px}
.readme-table>summary{display:flex;align-items:center;gap:8px;cursor:pointer;list-style:none;font:400 12px/1.4 var(--font-mono);letter-spacing:.06em;color:var(--muted)}
.readme-table>summary::-webkit-details-marker{display:none}
.readme-table>summary .ic{width:14px;height:14px;flex:none;transition:transform .2s}
.readme-table[open]>summary .ic{transform:rotate(90deg)}
.readme-table[open]>summary{color:var(--text);margin-bottom:12px}
.readme-table .prose{font-size:14px}
.readme-table table{font-size:13px}
.landing .context{padding:0 0 64px}
.landing .context .prose{max-width:820px}
.landing .context h2{font-size:28px}
.vuln-card{padding:24px;margin:28px 0;display:grid;gap:8px}
.vuln-card>h3{margin:0 0 6px;font:600 20px/1.3 var(--font-body)}
.vuln-card>h3 .h-anchor{display:none}
.vuln-card .code{margin:12px 0}
.vuln-card>*:last-child{margin-bottom:0}
.credits .group-card{gap:16px}
.credit-card .source{margin:0;padding:0;background:none;box-shadow:none}
.credit-card .source dd a{overflow-wrap:anywhere}
.credit-card .used{margin:0;font-size:15px;color:var(--soft)}
.credit-card .changed{margin:0;padding-left:20px;font-size:14px;color:var(--soft)}
.credit-card .changed li{margin:4px 0}
.inline-search{max-width:640px;margin-top:28px}
.inline-search .ic{width:18px;height:18px;color:var(--muted);flex:none}
.search-page-main .results .palette-item:hover{background:none}
.search-page-main .results .palette-item b{font-size:17px;color:var(--heading)}
.notfound .landing-head h1{font-size:clamp(56px,8vw,120px)}
.notfound .landing-head .eyebrow{color:var(--red)}
.notfound .landing-head .eyebrow::before{background:var(--red)}
.lang-index .lang-switch{position:static;margin-bottom:32px;padding:0;background:none;border:0;box-shadow:none}
.lang-index .lists-2 .code{margin:14px 0}
.lang-index .lists-2 .prose{font-size:15px}
.lang-index .lists-2 .pill{margin-top:12px}
.lang-index .steps{margin-bottom:48px}
.toc li.l2 a{padding-left:12px}
.doc-wrap{min-height:100vh}
code[class*="language-"]{font-family:var(--font-mono)}

/* diagrams */
.diagram{margin:28px 0;padding:12px;background:var(--surface);border-radius:var(--r-m);box-shadow:0 0 0 1px var(--border)}
.diagram svg{width:100%;height:auto;border-radius:var(--r-s)}
.diagram figcaption{margin-top:10px;font:400 11px/1.5 var(--font-mono);letter-spacing:.06em;color:var(--muted);text-align:center}

/* ── palette ──────────────────────────────────────────────────────────── */
.palette-scrim{position:fixed;inset:0;z-index:200;background:rgb(8 8 10 / .7);backdrop-filter:blur(40px);-webkit-backdrop-filter:blur(40px);display:none;align-items:flex-start;justify-content:center;padding:8vh 16px}
.palette-scrim.show{display:flex}
.palette{width:640px;max-width:100%;max-height:80vh;display:grid;grid-template-rows:auto 1fr auto;background:var(--card);border:1px solid var(--border-2);border-radius:var(--r-l);overflow:hidden;box-shadow:0 40px 120px rgb(0 0 0 / .6)}
.palette-input{display:flex;align-items:center;gap:12px;height:56px;padding:0 18px;border-bottom:1px solid var(--border)}
.palette-input input{flex:1;background:none;border:0;outline:0;color:var(--text);font:400 17px/1 var(--font-body)}
.palette-input input::placeholder{color:var(--faint)}
.palette-input .scope{display:inline-flex;align-items:center;gap:6px}
.palette-input .scope button{display:grid;place-items:center;width:16px;height:16px}
.palette-results{overflow:auto;padding:8px 0}
.palette-group{padding:10px 18px 4px;font:400 10px/1 var(--font-mono);letter-spacing:.2em;text-transform:uppercase;color:var(--faint)}
.palette-item{position:relative;display:grid;gap:2px;padding:8px 18px;min-height:48px;color:var(--text);cursor:pointer}
.palette-item b{font-weight:500;font-size:15px}
.palette-item small{font:400 12px/1.4 var(--font-mono);color:var(--muted)}
.palette-item small mark{background:none;color:var(--yellow)}
.palette-item.is-active{background:var(--hover)}
.palette-item.is-active::before{content:'';position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--green)}
.palette-empty{padding:28px 18px;display:grid;gap:16px;color:var(--muted);font-size:14px}
.palette-empty .chips{display:flex;flex-wrap:wrap;gap:8px}
.palette-empty .chip{height:30px;color:var(--soft)}
.palette-empty .chip:hover{border-color:var(--green);color:var(--green)}
.palette-foot{display:flex;gap:16px;padding:10px 18px;border-top:1px solid var(--border);font:400 11px/1 var(--font-mono);color:var(--faint)}

/* search + 404 pages */
.inline-search{display:flex;align-items:center;gap:12px;height:56px;padding:0 18px;border-radius:var(--r-m);background:var(--card);border:1px solid var(--border-2);max-width:720px;margin-top:32px}
.inline-search input{flex:1;background:none;border:0;outline:0;color:var(--text);font:400 17px/1 var(--font-body)}
.inline-search input::placeholder{color:var(--faint)}
.results{display:grid;max-width:760px;margin:0 0 64px}
.results .palette-item{min-height:56px;padding:10px 0;border-bottom:1px solid var(--border)}
.results .palette-group{padding-left:0}
.section-cards{padding:0 0 128px}

/* reveal */
.has-reveal .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.has-reveal .reveal.in{opacity:1;transform:none}

/* ── §R5 Home: the route strip ─────────────────────────────────────────── */
.route{display:grid;grid-template-columns:repeat(18,1fr);gap:8px}
.route-cell{position:relative;display:grid;gap:8px;justify-items:center;padding:12px 6px 10px;border-radius:var(--r-s);background:var(--card);box-shadow:0 0 0 1px var(--border);color:var(--muted);transition:translate .25s var(--ease),box-shadow .25s,background .25s}
.route-cell:hover{background:var(--hover);translate:0 -2px;box-shadow:0 0 0 1px var(--border-2)}
.u-green{--unit:var(--green);--unit-rgb:var(--green-rgb)}
.u-yellow{--unit:var(--yellow);--unit-rgb:var(--yellow-rgb)}
.u-red{--unit:var(--red);--unit-rgb:var(--red-rgb)}
.route-cell::before,.route-bar{content:'';position:absolute;inset:0 0 auto 0;height:3px;display:flex;border-radius:var(--r-s) var(--r-s) 0 0;overflow:hidden;background:var(--unit)}
.route-bar b{flex:1;display:block;background:var(--unit);opacity:.9}
.route-week{font:400 11px/1 var(--font-mono);letter-spacing:.14em;color:var(--text)}
.route-dots{display:flex;gap:4px}
.route-dots i{width:8px;height:8px;border-radius:50%;border:1px dashed var(--faint)}
.route-dots i.on{border:0;background:var(--unit)}
.route-unit{font:400 10px/1 var(--font-mono);letter-spacing:.1em;color:var(--faint)}
.rc-flag{position:absolute;top:-14px;right:4px;width:20px;height:20px;color:var(--yellow);stroke-width:2;filter:drop-shadow(0 2px 0 rgb(0 0 0 / .6))}
.route-foot{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;margin-top:28px}
.legend{display:flex;flex-wrap:wrap;gap:10px 24px}
.legend-item{display:inline-flex;align-items:center;gap:8px;font:400 11px/1 var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.legend-item i{width:10px;height:10px;border-radius:50%;flex:none}
.legend-item i.empty{background:transparent;border:1px dashed var(--faint)}

/* ── §R7 The path index ───────────────────────────────────────────────── */
.path-map-band{padding:48px 0}
.path-map-band .diagram{margin:0}
.path-map-band .diagram picture{display:block}
.path-map-band .diagram img{width:100%;height:auto}
.legend-wide{justify-content:center;margin-top:20px}
.units{padding:64px 0 24px}
.units h2{font-size:30px;margin-bottom:20px}
.unit-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:10px 24px}
.unit-list li{display:grid;grid-template-columns:44px 1fr auto;gap:14px;align-items:start;padding:12px 0;border-top:1px solid var(--border)}
.unit-list .u-num{display:inline-grid;place-items:center;width:40px;height:28px;border-radius:var(--r-s);font:400 11px/1 var(--font-mono);letter-spacing:.1em;color:var(--unit);box-shadow:0 0 0 1px color-mix(in srgb,var(--unit) 40%,transparent)}
.unit-list b{display:block;font:600 16px/1.3 var(--font-body);color:var(--heading)}
.unit-list li>div span{display:block;font-size:13px;color:var(--muted);line-height:1.5}
.unit-list .u-art{font:400 10px/1.5 var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--faint);text-align:right;max-width:160px}
.weeks{display:grid;gap:40px;padding:40px 0 64px}
.act-head{display:flex;align-items:center;gap:16px;margin:24px 0 0;font:400 11px/1 var(--font-mono);letter-spacing:.26em;text-transform:uppercase;color:var(--unit)}
.act-head::before,.act-head::after{content:'';flex:1;height:1px;background:color-mix(in srgb,var(--unit) 35%,transparent)}
.week{scroll-margin-top:calc(var(--nav-h) + 24px)}
.week-head{display:flex;align-items:baseline;gap:18px;flex-wrap:wrap;margin-bottom:16px}
.week-head h2{font-size:30px}
.week-unit{font:400 11px/1.5 var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.week-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.session-card{position:relative;display:grid;gap:14px;align-content:start;padding:24px;border-radius:var(--r-m);min-height:220px}
.session-card.is-written{background:var(--card);box-shadow:0 0 0 1px var(--border)}
.session-card.is-written::before{content:'';position:absolute;inset:0 0 auto 0;height:3px;border-radius:var(--r-m) var(--r-m) 0 0;background:var(--unit)}
.session-card.is-empty{background:var(--surface);outline:1px dashed var(--faint);outline-offset:-1px;color:var(--muted)}
.sc-top{display:flex;align-items:center;gap:16px}
.sc-day{display:block;font:400 11px/1 var(--font-mono);letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.session-card h3{font:600 22px/1.1 var(--font-display);color:var(--heading)}
.session-card.is-empty h3{color:var(--soft)}
.session-card h3 a{color:inherit}
.session-card h3 a::after{content:'';position:absolute;inset:0;border-radius:inherit}
.session-card h3 a:hover{color:var(--green-light)}
.sc-hook{margin:0;font-size:15px;color:var(--soft)}
.sc-foot{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:auto}
.sc-foot .chips{display:flex;flex-wrap:wrap;gap:6px}
.sc-arrow{color:var(--unit);transition:translate .25s var(--ease)}
.session-card:hover .sc-arrow{translate:4px 0}
.sc-empty{margin:0;font:400 11px/1.4 var(--font-mono);letter-spacing:.2em;text-transform:uppercase;color:var(--faint)}
.sc-quests{margin:0;font-size:13px;color:var(--muted)}
.session-card.is-empty .chips{display:flex;flex-wrap:wrap;gap:6px;position:relative;z-index:1}
.chip.outline-green{color:var(--green);border-color:rgb(var(--green-rgb) / .4);text-transform:none;letter-spacing:0;height:auto;padding:4px 9px;white-space:normal;line-height:1.3}
.chip.outline-green:hover{background:rgb(var(--green-rgb) / .1)}
.path-page .landing-head h1{font-size:clamp(44px,6vw,88px)}

/* ── §R8 Session page ─────────────────────────────────────────────────── */
.chapter-opener{display:flex;align-items:center;gap:20px;margin:0 0 28px;font:italic 500 22px/1.3 var(--font-story);font-variation-settings:"opsz" 144,"SOFT" 60,"WONK" 1;color:var(--soft)}
.chapter-opener b{font-weight:600;color:var(--heading)}
.chapter-opener .mark{padding-right:.4em}
.session-page .glance .glance-row{grid-template-columns:84px 1fr}
.prose .diagram{margin:32px 0;padding:0;background:var(--code);border-radius:var(--r-m);box-shadow:0 0 0 1px var(--border);overflow:hidden}
.prose .diagram img{width:100%;height:auto;border-radius:0;margin:0;max-height:none}
.prose .diagram figcaption{padding:12px 16px 14px;border-top:1px solid var(--border);text-align:left;font:400 13px/1.5 var(--font-body);color:var(--soft);letter-spacing:0}
.prose .diagram .fig-no{font:400 11px/1 var(--font-mono);letter-spacing:.2em;text-transform:uppercase;color:var(--yellow);margin-right:6px}
.callout.turn{border-left-color:var(--yellow);background:linear-gradient(90deg,rgb(var(--yellow-rgb) / .06),var(--surface) 40%)}
.callout.turn .callout-label{color:var(--yellow)}
.callout.turn .callout-label::before{content:'✦ '}
.callout.dont .callout-body>p:first-child strong{color:var(--red)}
blockquote.story{margin:32px 0;padding:0 0 0 28px;border-left:3px solid var(--yellow);font:italic 400 22px/1.5 var(--font-story);font-variation-settings:"opsz" 72,"SOFT" 40,"WONK" 1;color:var(--heading)}
blockquote.story p{margin:0}
blockquote.story em{font-style:inherit}
.side-quests{margin:24px 0 40px;padding:20px 24px;border-radius:var(--r-m);background:var(--surface);box-shadow:0 0 0 1px var(--border)}
.side-quests .rail-title{color:var(--unit,var(--green))}
.side-quests ul{list-style:none;margin:0;padding:0;display:grid}
.side-quests li{display:grid;grid-template-columns:28px 1fr auto;gap:14px;align-items:start;padding:12px 0;border-top:1px solid var(--border)}
.side-quests li:first-child{border-top:0}
.side-quests .sq-ic{display:grid;place-items:center;width:28px;height:28px;border-radius:var(--r-s);background:var(--card);color:var(--unit,var(--green))}
.side-quests .sq-ic .ic{width:15px;height:15px}
.side-quests li a{font-weight:600;color:var(--heading);text-decoration:none}
.side-quests li a:hover{color:var(--green-light)}
.side-quests .sq-why{display:block;font-size:14px;color:var(--soft);margin-top:2px}
.side-quests .sq-sec{font:400 10px/1 var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--faint);padding-top:6px;white-space:nowrap}
.path-tree .tree-group li a,.path-tree .tree-empty{display:flex;align-items:center;gap:10px}
.path-tree .tree-empty{padding:6px 10px;margin-left:-13px;padding-left:22px;font-size:14px;line-height:1.4;color:var(--faint)}
.path-tree .tree-empty .stamp{opacity:.7}
.tree-title a{color:inherit}

/* ── §R9 Side-quest banner ────────────────────────────────────────────── */
.sq-banner{display:flex;align-items:center;gap:14px;margin:0 0 28px;padding:12px 14px 12px 16px;border-radius:var(--r-m);background:var(--surface);box-shadow:0 0 0 1px var(--border);border-left:3px solid var(--unit,var(--green))}
.sq-banner p{margin:0;flex:1;font-size:14px;color:var(--soft)}
.sq-banner p a{color:var(--heading);font-weight:600}
.sq-banner p a:hover{color:var(--green-light)}
.sq-banner .sq-back{min-height:36px;padding:8px 14px;font-size:13px}
.landing-head .sq-banner{max-width:720px;margin-bottom:24px}

/* ── Responsive: nine links + the lockup need room (≤1500) ─────────────── */
@media (max-width:1500px){
  .brand-guide,.brand-sep{display:none}
  .nav{gap:24px}
  .nav-links{gap:18px}
  .nav-links a{letter-spacing:.08em}
  .nav-links .nl-long{display:none}
  .nav-links .nl-short{display:inline}
}

/* ── Responsive: tablet (768–1199) ────────────────────────────────────── */
@media (max-width:1199px){
  :root{--container:min(1240px,calc(100% - 64px))}
  .nav{padding:0 32px;gap:20px}
  .nav-links{gap:18px;min-width:0}
  .nav-links a{letter-spacing:.06em;white-space:nowrap}
  .search-pill{width:44px;height:44px;padding:0;justify-content:center;gap:0}
  .search-pill .label{display:none}
  .search-pill .kbd{display:none}
  .hero{max-height:none;align-content:start}
  .hero-grid{grid-template-columns:1fr;text-align:center;justify-items:center}
  .lockup{font-size:clamp(64px,10vw,112px);justify-items:center}
  .lockup .mark{margin-left:0}
  .signature{margin:22px auto 0}
  .hero-ctas{justify-content:center}
  .hero-side{min-height:0;margin-top:16px}
  .respawn-card{animation:none;text-align:left}
  .stats{justify-content:center}
  .brand-guide{display:none}
  .nav-links .nl-long{display:none}
  .nav-links .nl-short{display:inline}
  .route{grid-template-columns:repeat(9,1fr)}
  .week-cards{grid-template-columns:1fr 1fr}
  .unit-list{grid-template-columns:1fr}
  .respawn-card .rc-hook,.respawn-card .rc-title{text-align:left}
  .tracks{grid-template-columns:1fr 1fr}
  .track-card{min-height:200px}
  .strip-row{grid-template-columns:1fr auto auto}
  .strip-row .file .txt{display:none}
  .tile{flex-basis:calc(25% - 16px)}
  .section{padding:96px 0}
  .doc{grid-template-columns:minmax(0,1fr);gap:0;padding:var(--nav-h) 32px 0}
  .sidebar,.rail{display:none}
  .article{max-width:720px;margin:0 auto;padding-top:24px}
  .doc-toolbar{position:sticky;top:var(--nav-h);z-index:30;display:flex;align-items:center;gap:16px;height:48px;margin:0;padding:0 32px;background:rgb(8 8 10 / .88);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-bottom:1px solid var(--border)}
  .doc-toolbar .tool{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 12px;border-radius:999px;border:1px solid var(--border-2);font:400 11px/1 var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--soft)}
  .doc-toolbar .tool .ic{width:14px;height:14px}
  .doc-toolbar .crumbs{margin:0;flex:1;overflow:hidden;white-space:nowrap;flex-wrap:nowrap}
  .doc-toolbar .toc-dd{position:relative;margin-left:auto}
  .toc-pop{position:absolute;right:0;top:40px;width:300px;max-height:60vh;overflow:auto;padding:12px 16px;background:var(--card);border:1px solid var(--border-2);border-radius:var(--r-m);display:none}
  .toc-pop.show{display:block}
  .toc-pop .toc{max-height:none;-webkit-mask-image:none;mask-image:none}
  .article>.crumbs{display:none}
  .glance-inline{display:block;margin:0 0 32px}
  .glance-inline .glance{box-shadow:0 0 0 1px var(--border);border-radius:var(--r-m);background:var(--card)}
  .lang-switch{top:calc(var(--nav-h) + 48px)}
  .groups{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:repeat(5,1fr)}
  .footer-top{grid-template-columns:1fr auto;gap:32px}
  .footer-sections{grid-column:1 / -1;justify-self:start}
}

/* ── Responsive: narrow tablet (768–1023): keep the eight section links on one row ── */
@media (min-width:768px) and (max-width:1023px){
  .brand-guide,.brand-sep{display:none}
  .brand-name{font-size:13px}
  .nav{gap:16px}
  .nav-links{gap:16px;overflow-x:auto;scrollbar-width:none}
  .nav-links::-webkit-scrollbar{display:none}
  .nav-links a{font-size:10px;letter-spacing:.06em}
}

/* ── Responsive: mobile (≤767) ────────────────────────────────────────── */
@media (max-width:767px){
  :root{--nav-h:56px;--container:min(1240px,calc(100% - 32px))}
  body{font-size:16px}
  .stage-file{display:none}
  .term-host{display:none}
  .term-head{flex-wrap:wrap;padding:8px 14px;line-height:1.5}
  .term-state{white-space:normal;text-align:right}
  .term-screen{font-size:12.5px;max-height:320px;padding:12px 12px 6px}
  .term-line{padding:8px 12px 10px;font-size:13px}
  .term-input{height:36px}
  .stage-state{white-space:nowrap}
  .stage-root{padding:14px 16px 16px}
  .stage-root form{flex-direction:column;align-items:stretch}
  .stage-root input,.stage-root select{height:44px}
  .stage-root button{min-height:44px}
  .nav{display:grid;grid-template-columns:44px 1fr 44px;gap:8px;padding:0 8px;align-items:center}
  .brand{justify-self:center}
  .brand-guide,.brand-sep{display:none}
  .brand-name{font-size:13px}
  .nav-links,.search-pill{display:none}
  .hamburger{display:flex}
  .nav-icon{display:inline-flex;justify-self:end}
  .hero{padding:calc(var(--nav-h) + 40px) 0 96px;min-height:auto;max-height:none;align-content:start}
  .hero-copy .eyebrow{font-size:10px;letter-spacing:.2em}
  .lockup{font-size:56px}
  .lockup .lk-small{font-size:10px;letter-spacing:.26em}
  .signature{font-size:15px}
  .mark-nav{font-size:20px}
  .tagline{font-size:10px;letter-spacing:.15em;max-width:280px;margin-inline:auto}
  .hero-ctas{flex-direction:column;width:100%}
  .hero-ctas .pill{width:100%}
  .hero-side{min-height:0}
  .respawn-card{padding:22px}
  .rc-title{font-size:24px}
  .stamp-lg{width:88px;height:88px;font-size:26px}
  .route{grid-template-columns:repeat(6,1fr);gap:6px}
  .route-cell{padding:8px 6px 6px}
  .route-unit{display:none}
  .week-cards{grid-template-columns:1fr}
  .path-tree .stamp-sm{width:24px;height:24px;font-size:9px}
  .chapter-opener{font-size:18px;flex-direction:column;align-items:flex-start}
  .sq-banner{flex-wrap:wrap}
  .sq-banner .sq-back{width:100%;justify-content:center}
  .legend{gap:10px 14px}
  .stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px 12px;margin-top:48px}
  .stat b{font-size:36px}
  .stat-sep{display:none}
  .scroll-hint{display:none}
  .section{padding:64px 0}
  .section-head{margin-bottom:32px}
  .tracks{grid-template-columns:1fr}
  .track-card{padding:22px;min-height:auto}
  .strip-row{grid-template-columns:1fr;gap:8px;padding:12px 16px}
  .strip-row .pattern-cell{display:flex;gap:12px;align-items:center}
  .pair{grid-template-columns:1fr}
  .tile{flex-basis:calc(50% - 16px);height:60px;min-width:0;padding:0 12px}
  .tile .chip{display:none}
  .marquee{padding:48px 0}
  .marquee-track{font-size:32px;gap:28px}
  .quote .star{font-size:40px}
  .pill{min-height:44px;padding:12px 22px;font-size:14px}
  .footer{padding:48px 0 calc(32px + 56px)}
  .footer-top{grid-template-columns:1fr;justify-items:center;text-align:center}
  .footer-sections{display:none}
  .footer-disclosure{display:block;width:100%}
  .footer-disclosure summary{list-style:none;font:400 11px/1 var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);cursor:pointer;text-align:center}
  .footer-disclosure[open] summary{margin-bottom:12px}
  .footer-disclosure .footer-sections{display:grid;grid-template-columns:1fr 1fr;justify-items:center}
  .footer-bottom{flex-direction:column;align-items:center;text-align:center}
  .landing-head{padding:calc(var(--nav-h) + 48px) 0 40px}
  .landing-ctas .pill{width:100%}
  .context{padding:40px 0}
  .context .two-col ul{columns:1}
  .groups{grid-template-columns:1fr;padding:40px 0 96px}
  .group-card li{min-height:44px}
  .steps{grid-template-columns:1fr;gap:10px}
  .step-card{min-height:auto;grid-template-columns:auto 1fr;align-items:center}
  .step-card b{font-size:16px}
  .lists-2{grid-template-columns:1fr}
  .doc{padding:var(--nav-h) 16px 0}
  .doc-toolbar{display:none}
  .article{padding:24px 0 112px}
  .article>.crumbs{display:flex;margin-bottom:20px}
  .crumbs .crumb-full{display:none}
  .crumbs .crumb-back{display:inline-flex;align-items:center;gap:6px}
  .article h1{font-size:32px}
  .article .lede{font-size:17px}
  .prose h2{font-size:24px;margin-top:48px}
  .code{margin:20px -16px;border-radius:0;box-shadow:0 1px 0 var(--border),0 -1px 0 var(--border)}
  .block .code{margin:0}
  .block{margin:24px -16px;border-radius:0}
  .block-head{grid-template-columns:auto 1fr;padding:14px 16px}
  .block-cx{grid-column:1 / -1;justify-content:flex-start}
  .code .line{padding-left:16px}
  .code .line::before{display:none}
  .code pre{font-size:13px}
  .code-tabs{margin:0;order:3;flex-basis:100%;border-top:1px solid var(--border)}
  .code-head{flex-wrap:wrap;padding-right:4px}
  .paired{grid-template-columns:1fr}
  .paired .code{margin:0}
  .pager{grid-template-columns:1fr}
  .pager a.next{text-align:left}
  .pager a.next .lbl{justify-content:flex-start}
  .gate{padding:22px}
  .lang-switch{top:var(--nav-h);margin-inline:-16px;padding-inline:16px}
  .glance-row{grid-template-columns:64px 1fr}
  .source-row{grid-template-columns:1fr;gap:4px}
  .bottom-bar{position:fixed;left:0;right:0;bottom:0;z-index:120;display:grid;grid-template-columns:1fr 1fr 1fr;height:56px;background:rgb(17 17 20 / .92);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-top:1px solid var(--border)}
  .bottom-bar button{display:grid;justify-items:center;gap:4px;align-content:center;font:400 10px/1 var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
  .bottom-bar button .ic{width:18px;height:18px}
  .bottom-bar button:hover,.bottom-bar button:focus-visible{color:var(--green)}
  .back-top{bottom:72px;right:16px;width:44px;height:44px}
  .home .back-top{bottom:24px}
  .drawer{width:100%;border-right:0}
  .palette-scrim{padding:8px}
  .palette{max-height:calc(100svh - 16px)}
  .palette-input{height:52px}
  .palette-foot{display:none}
  .inline-search{height:48px}
  .tree-group li a{padding:10px 10px 10px 22px;font-size:15px}
  .tree-group>button{height:44px}
  .directions{font-size:15px;padding:16px 18px}
}
@media (max-width:480px){
  :root{--container:min(1240px,calc(100% - 24px))}
  .wordmark{font-size:56px}
  .wordmark .w-its,.wordmark .w-than{font-size:22px}
  .doc{padding-inline:12px}
  .code{margin-inline:-12px}
  .block{margin-inline:-12px}
  .lang-switch{margin-inline:-12px;padding-inline:12px}
  .stat b{font-size:32px}
}

/* ── Reduced motion ───────────────────────────────────────────────────── */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
  .disc{animation:none}
  .marquee-track{animation:none}
  .cursor-dot,.cursor-ring{display:none !important}
  html{scroll-behavior:auto}
}

/* Grit's long-form side quest shares the path's story type and status-screen palette. */
.grit-story .grit-quest{position:relative;margin:32px 0 40px;padding:28px;border:1px solid rgb(var(--green-rgb) / .3);border-radius:var(--r-m);background:radial-gradient(ellipse at top right,rgb(var(--green-rgb) / .12),transparent 70%),var(--surface);overflow:hidden}
.grit-story .grit-quest::before{content:'';position:absolute;inset:0 auto 0 0;width:3px;background:var(--green)}
.grit-story .grit-quest .eyebrow{font-size:10px;line-height:1.6;letter-spacing:.13em;color:var(--green-light);margin:0 0 16px}
.grit-story .grit-quest-line{font:italic 500 clamp(24px,3vw,36px)/1.25 var(--font-story);color:var(--heading);margin:0 0 24px}
.grit-story .grit-quest dl{display:grid;grid-template-columns:1fr 1fr 1.5fr;gap:20px;border-top:1px solid var(--border-2);padding-top:18px;margin:0}
.grit-story .grit-quest dt{font:400 10px/1.5 var(--font-mono);letter-spacing:.15em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.grit-story .grit-quest dd{font-size:13px;line-height:1.5;color:var(--soft);margin:0}
.grit-story .prose>h2{padding-top:26px;margin-top:56px;border-top:1px solid var(--border-2);font-size:clamp(25px,3vw,34px);line-height:1.2;color:var(--yellow-soft)}
.grit-story .prose>p{line-height:1.85}
.grit-story .prose>blockquote.story{font-size:clamp(22px,2.3vw,27px);line-height:1.55;margin:0 0 48px}
@media(max-width:600px){
  .grit-story .grit-quest{padding:22px 20px}
  .grit-story .grit-quest dl{grid-template-columns:1fr 1fr;gap:16px}
  .grit-story .grit-quest dl>div:last-child{grid-column:1/-1}
  .grit-story .prose>blockquote.story{padding-left:18px}
}

+.grit-story .sq-banner{align-items:flex-start;margin-bottom:32px;padding:14px 18px;gap:12px;flex-wrap:wrap}
+.grit-story .grit-path-links{flex:1;min-width:0;font-size:13px;color:var(--soft)}
+.grit-story .grit-path-links summary{cursor:pointer;padding:7px 0;line-height:1.5}
+.grit-story .grit-path-links ul{list-style:none;margin:12px 0 0;padding:0;display:grid;gap:9px}
+.grit-story .grit-path-links a{color:var(--green-light);line-height:1.5}
+.grit-story .sq-banner>.pill{flex-shrink:0;font-size:12px}
+@media(max-width:600px){.grit-story .sq-banner{flex-direction:row}.grit-story .sq-banner>.pill{width:auto;flex:none}.grit-story .grit-path-links[open]{flex-basis:100%}}
+
/* The Ultimate Guide: chapter > topic > subtopic, shared by sidebar and mobile drawers. */
.guide-tree .tree-group>button{height:auto;min-height:38px;padding:9px 8px;line-height:1.4}
.guide-tree .guide-subtopics{margin:2px 0 8px 8px;padding-left:10px;border-left-color:var(--border-2)}
.guide-tree .guide-subtopics a{font-size:12px;line-height:1.5;color:var(--soft);padding-left:16px;margin-left:-11px}
.guide-tree a.is-active{color:var(--green-light);background:var(--card);box-shadow:inset 2px 0 var(--green)}
.guide-next{margin:22px 0 0;padding-top:18px;border-top:1px solid var(--border);font-size:13px}
.guide-next a{display:flex;align-items:center;gap:8px}

.video-frame{width:100%;max-width:960px;margin:0 0 28px;background:#000;color-scheme:light}
.video-frame iframe{display:block;width:100%;height:auto;aspect-ratio:16/9;border:0;color-scheme:light !important;background:#000}

/* Atelier: file labels and visual walkthroughs belong to the workshop. */
.atelier-lesson .code-head { flex-wrap: wrap; }
.atelier-lesson .code-title { min-width: 0; overflow-wrap: anywhere; }
.atelier-lesson .prose > p a { overflow-wrap: anywhere; }
.atelier-preview { max-width: 100%; }
.atelier-preview img { width: 100%; border-radius: 16px; }

/* Video previews belong to the site; the external player is created only on request. */
.video-card{margin:0 0 32px;border:1px solid var(--border-2);border-radius:18px;overflow:hidden;background:var(--surface)}
.video-preview{width:100%;max-width:100%;position:relative;isolation:isolate;aspect-ratio:16/9;min-height:300px;background:radial-gradient(ellipse at 80% 15%,#176640,#111114 70%);overflow:hidden}
.video-preview[hidden]{display:none}
.video-preview>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.8;margin:0;border:0;border-radius:0}
.video-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.6),transparent 30%,rgba(0,0,0,.92))}
.video-eyebrow{position:absolute;top:22px;left:24px;right:24px;display:flex;justify-content:space-between;gap:12px;color:var(--heading);font:500 10px/1.5 var(--font-mono);letter-spacing:.12em}
.video-eyebrow span{color:#b9fbd4}
.video-preview-content{position:absolute;left:28px;right:28px;bottom:26px;display:grid;grid-template-columns:52px minmax(0,1fr);gap:12px 18px;align-items:center}
.video-play-mark{grid-row:1/3;display:grid;place-items:center;width:52px;height:52px;border:1px solid #eae6e170;border-radius:50%;color:var(--yellow);background:#08080a99;font-size:22px;padding-left:3px}
.video-preview-content h2{margin:0!important;padding:0!important;border:0!important;font:600 clamp(22px,3vw,34px)/1.12 var(--font-display);color:var(--heading);text-wrap:balance}
.video-load{grid-column:2;justify-self:start;display:inline-flex;align-items:center;gap:18px;border:1px solid #87e3ac66;border-radius:30px;padding:12px 18px;background:#073d2c;color:#d8ffe5;font:600 13px/1.3 var(--font-body);cursor:pointer}
.video-load:hover{background:#0c573d}.video-load:focus-visible,.video-privacy button:focus-visible{outline:3px solid var(--yellow);outline-offset:4px}
.video-privacy{padding:17px 24px;background:var(--surface);border-top:1px solid var(--border-2)}
.video-privacy p{margin:0!important;color:var(--soft);font:400 12px/1.6 var(--font-body)}
.video-privacy>div{display:flex;flex-wrap:wrap;gap:12px 20px;margin-top:9px}
.video-privacy a,.video-privacy button{font:500 12px/1.5 var(--font-body);color:var(--green-light);text-decoration:underline;text-underline-offset:3px}
.video-privacy button{border:0;padding:0;background:none;cursor:pointer}
.video-card>iframe{display:block;width:100%;aspect-ratio:16/9;border:0;background:#000}
.example-sandbox{display:block;width:100%;min-height:100px;border:0;background:var(--code)}
.example-sandbox[hidden]{display:none}
.privacy-page{max-width:850px;padding-top:140px;padding-bottom:80px}.privacy-page h1{font:600 clamp(32px,5vw,60px)/1.1 var(--font-display);margin-bottom:24px}.privacy-page .privacy-reset{padding:12px 20px;background:var(--green);color:var(--ink);border-radius:30px;font-weight:600;cursor:pointer}
@media(max-width:600px){.video-preview{min-height:300px;aspect-ratio:4/3}.video-eyebrow{left:18px;right:18px;top:16px;font-size:8px}.video-preview-content{left:18px;right:18px;bottom:20px;grid-template-columns:36px minmax(0,1fr);gap:10px}.video-play-mark{width:36px;height:36px;font-size:16px}.video-preview-content h2{font-size:23px}.video-load{font-size:12px;padding:11px 14px}.video-privacy{padding:15px 18px}.privacy-page{padding-top:105px}}

.video-preview-content h2{min-width:0;white-space:normal;overflow-wrap:anywhere}.video-eyebrow{max-width:calc(100% - 48px)}.video-eyebrow span{min-width:0;text-align:right}@media(max-width:600px){.video-eyebrow{max-width:calc(100% - 36px);font-size:8px;letter-spacing:.06em}}

/* Browser-local save crystal: visible controls are enabled only when JS is ready. */
.save-panel{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin:24px 0 32px;padding:20px 22px;border:1px solid rgb(var(--green-rgb) / .28);border-radius:var(--r-m);background:linear-gradient(120deg,rgb(var(--green-rgb) / .09),var(--surface));min-width:0}
.save-panel>div{min-width:0}.save-eyebrow{margin:0 0 7px;font:500 10px/1.6 var(--font-mono);letter-spacing:.2em;color:var(--yellow)}
.save-status{margin:14px 0 8px;font:400 12px/1.6 var(--font-body);color:var(--soft);overflow-wrap:anywhere}.save-panel .save-status{margin:0;max-width:440px}
.save-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px 16px}.save-button,.save-clear{cursor:pointer;font:500 13px/1.4 var(--font-body);border-radius:999px;padding:11px 17px;min-height:44px}.save-button{background:var(--green);color:var(--ink);border:1px solid var(--green)}.save-clear{background:transparent;color:var(--soft);border:1px solid var(--border-2)}.save-clear:hover{color:var(--heading);border-color:var(--green)}.save-help{font:400 12px/1.5 var(--font-body);color:var(--green-light);text-decoration:underline;text-underline-offset:3px}.save-button:focus-visible,.save-clear:focus-visible,.save-help:focus-visible{outline:2px solid var(--yellow);outline-offset:4px}.save-button[hidden],.save-clear[hidden]{display:none}.respawn-card .rc-foot{flex-wrap:wrap;gap:12px}.respawn-card .rc-label{line-height:1.6}.respawn-card .rc-top{gap:12px;flex-wrap:wrap}
@media(max-width:600px){.save-panel{padding:18px}.save-actions{width:100%}.save-actions .save-help{flex-basis:100%}}

@media(max-width:480px){.hero-grid{grid-template-columns:minmax(0,1fr)}.hero-copy,.hero-side{min-width:0;width:100%}.hero-copy .eyebrow{flex-wrap:wrap;justify-content:center}.signature{max-width:100%;line-height:1.5}.signature::before{width:24px;flex-shrink:0}.filter,.filter input{min-width:0}}

@media(max-width:480px){.footer-disclosure{min-width:0}.footer-links{flex-wrap:wrap;justify-content:center}}

/* Optional support and personal services. */
.support-page{padding-top:calc(var(--nav-h) + 72px);padding-bottom:72px}.support-intro{max-width:860px;margin-bottom:56px}.support-intro h1{font:600 clamp(38px,5vw,68px)/1.06 var(--font-display);letter-spacing:-.035em;margin:20px 0 24px}.support-intro .lede{max-width:740px}.support-byline{margin-top:22px;color:var(--muted);font-size:14px}.offer-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.offer-card{display:flex;flex-direction:column;min-width:0;padding:30px 26px;border:1px solid var(--border-2);border-top:3px solid var(--green);border-radius:18px;background:linear-gradient(145deg,rgb(var(--green-rgb)/.07),var(--card) 55%)}.offer-review{border-top-color:var(--yellow)}.offer-portfolio{border-top-color:var(--red)}.offer-card h2{font:600 30px/1.12 var(--font-display);letter-spacing:-.02em;margin:20px 0}.offer-card>p:not(.eyebrow):not(.offer-price){font-size:15px;line-height:1.7;margin:0 0 18px;color:var(--soft)}.offer-card .offer-price{font:600 52px/1.1 var(--font-display);letter-spacing:-.03em;margin:4px 0 24px}.offer-price span{display:block;margin-top:10px;font:400 13px/1.5 var(--font-body);letter-spacing:0;color:var(--soft)}.offer-card .offer-cap{color:var(--yellow)!important}.offer-examples{border-block:1px solid var(--border);padding:10px 0;margin-bottom:20px}.offer-examples p{display:flex;justify-content:space-between;gap:12px;font-size:13px;padding:6px 0;margin:0;color:var(--soft)}.offer-examples b{color:var(--heading)}.offer-evaluation{border-left:2px solid var(--red);padding-left:16px;margin:2px 0 22px}.offer-evaluation h3{font-size:16px;line-height:1.5;margin-bottom:10px}.offer-evaluation p{font-size:14px;line-height:1.7;color:var(--soft)}.offer-action{margin-top:auto;padding-top:20px}.offer-action>.pill{white-space:normal;text-align:center;width:100%;height:auto;min-height:48px;padding:14px 18px}.offer-action>span,.offer-pending{display:block;font-size:12px;line-height:1.6;color:var(--muted);margin:12px 0 0}.offer-pending{border-top:1px solid var(--border);padding-top:18px}.support-close{margin-top:64px;padding-top:40px;border-top:1px solid var(--border);max-width:800px}.support-close h2{font:600 clamp(24px,3vw,36px)/1.2 var(--font-display);margin:18px 0}.support-close>p:not(.eyebrow){line-height:1.7;color:var(--soft);margin-bottom:24px}.support-invite{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-block:36px;border-top:1px solid var(--border);margin-bottom:48px}.support-invite p{font-size:14px;line-height:1.8;color:var(--soft)}.support-invite strong{font-size:20px;color:var(--heading)}.support-invite .pill{flex-shrink:0}.footer-links{flex-wrap:wrap}
@media(max-width:1000px){.offer-grid{grid-template-columns:1fr}.offer-card{padding:28px}.offer-card h2 br{display:none}.offer-action{max-width:360px}.support-invite{flex-direction:column;align-items:flex-start}}
@media(max-width:480px){.support-page{padding-top:calc(var(--nav-h) + 36px)}.support-intro{margin-bottom:32px}.offer-card{padding:24px 20px}.offer-card .eyebrow{font-size:9px;letter-spacing:.12em}.support-intro h1{font-size:38px}.support-invite .pill{max-width:100%;white-space:normal;text-align:center}}

.github-requests{margin-top:64px;padding-top:40px;border-top:1px solid var(--border)}.github-requests>h2{font:600 clamp(28px,3vw,42px)/1.15 var(--font-display);margin:20px 0}.request-intro{max-width:760px;color:var(--soft);line-height:1.8;margin-bottom:28px}.request-intro a{color:var(--green-light);text-decoration:underline;text-underline-offset:3px}.request-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.request-panel{min-width:0;scroll-margin-top:calc(var(--nav-h) + 28px);padding:28px;border:1px solid var(--border-2);border-radius:18px;background:var(--surface)}.request-panel h3{font:600 24px/1.2 var(--font-display);margin-bottom:24px}.request-panel ol{padding-left:24px;list-style:decimal}.request-panel li{padding-left:6px;margin-bottom:22px;font-size:15px;line-height:1.8;color:var(--soft)}.request-panel li::marker{color:var(--yellow);font-family:var(--font-mono)}.request-panel strong{color:var(--heading)}.request-panel code{font-size:.88em;color:var(--green-light);overflow-wrap:anywhere}.request-note{border-top:1px solid var(--border);padding-top:18px;font-size:13px;line-height:1.7;color:var(--muted)}
@media(max-width:800px){.request-grid{grid-template-columns:1fr}}@media(max-width:480px){.request-panel{padding:24px 18px}.offer-examples p{font-size:12px}}

.thank-you-link{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;min-height:44px;white-space:nowrap}.thank-you-link:focus-visible{outline:2px solid var(--yellow);outline-offset:4px}.review-standards{margin-top:48px;padding-top:40px;border-top:1px solid var(--border)}.review-standards>h2{font:600 clamp(28px,3vw,42px)/1.15 var(--font-display);margin:20px 0 28px}.review-standards .request-panel>p{font-size:15px;line-height:1.8;color:var(--soft);margin-bottom:18px}