/* Ferrule v3 — phosphor terminal / oscilloscope lab.
   Two themes of one world: CRT (amber P3 phosphor on tube black) and PAPER (green-bar line-printer listing).
   Inazda components are restyled through their tokens; template values live in --fr-* on <body>. */

/* ---------- world tokens ---------- */
body{
  /* PAPER: the session sent to the line printer */
  --fr-bg: #f4f1e4;            /* listing paper */
  --fr-band: #dcebd3;          /* green bar */
  --fr-panel: #ecead9;
  --fr-ink: #1c2a1f;           /* ribbon black-green */
  --fr-ink-2: #4a5a4c;
  --fr-hot: #9a3d08;           /* red ribbon */
  --fr-grn: #1f6b3a;           /* green ink: prompts, the response */
  --fr-line: #b9b39b;          /* perforations, graticule */
  --fr-line-2: color-mix(in oklch, var(--fr-ink) 38%, transparent);
  --fr-sel: var(--fr-ink);     /* inverse-video selection */
  --fr-sel-fg: var(--fr-bg);
  --fr-bloom: 0 0 .5px color-mix(in oklch, var(--fr-ink) 60%, transparent);
  --fr-bloom-big: 0 0 .8px color-mix(in oklch, var(--fr-ink) 70%, transparent);
  --fr-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;
  --fr-disp: "VT323", "IBM Plex Mono", monospace;
  --fr-step: steps(6, end);
  --fr-ease: cubic-bezier(.2, .7, .1, 1);
  --fr-menu-h: 46px;
  --fr-sl-h: 26px;
  --fr-gut: max(20px, env(safe-area-inset-left, 0px));

  /* Inazda tokens, restyled for the world */
  --iz-bg: var(--fr-bg); --iz-fg: var(--fr-ink); --iz-muted: var(--fr-panel); --iz-muted-fg: var(--fr-ink-2);
  --iz-border: var(--fr-line-2); --iz-card: var(--fr-bg); --iz-primary: var(--fr-ink); --iz-primary-fg: var(--fr-bg);
  --iz-ring: var(--fr-hot); --iz-success: var(--fr-grn); --iz-destructive: var(--fr-hot);
  --iz-glass: var(--fr-bg); --iz-glass-thin: var(--fr-bg); --iz-glass-thick: var(--fr-bg); --iz-glass-solid: var(--fr-bg);
  --iz-glass-fg: var(--fr-ink); --iz-glass-border: var(--fr-line-2); --iz-glass-edge: transparent; --iz-glass-highlight: transparent;
  --iz-glass-shadow: 0 0 0 0 transparent; --iz-glass-shadow-active: 0 0 0 0 transparent; --iz-blur: 0px; --iz-saturate: 100%;
  --iz-radius: 0px; --iz-radius-md: 0px; --iz-radius-sm: 0px; --iz-radius-xs: 0px;
  --iz-font: var(--fr-mono); --iz-mono: var(--fr-mono);
  --iz-code-bg: var(--fr-bg); --iz-code-fg: var(--fr-ink); --iz-code-dim: var(--fr-ink-2); --iz-code-edge: var(--fr-line-2);
  --iz-code-k: var(--fr-hot); --iz-code-s: var(--fr-grn); --iz-code-f: var(--fr-ink);
  --iz-add: var(--fr-grn); --iz-add-bg: color-mix(in oklch, var(--fr-grn) 14%, transparent);
  --iz-del: var(--fr-hot); --iz-del-bg: color-mix(in oklch, var(--fr-hot) 12%, transparent);
  --iz-soft-fill: color-mix(in oklch, var(--fr-ink) 6%, transparent);
  --iz-agent: var(--fr-hot); --iz-agent-soft: color-mix(in oklch, var(--fr-hot) 14%, transparent); --iz-agent-ink: var(--fr-bg);
  color-scheme: light;
}
/* CRT: amber phosphor on tube black */
:root[data-theme="dark"] body{
  --fr-bg: #0a0703; --fr-band: #0a0703; --fr-panel: #120c05;
  --fr-ink: #ffb000; --fr-ink-2: #c98a12; --fr-hot: #ffe2a6; --fr-grn: #8cff9a; --fr-line: #4a3207;
  --fr-line-2: color-mix(in oklch, #ffb000 34%, transparent);
  --fr-bloom: 0 0 1px rgb(255 176 0 / .45), 0 0 9px rgb(255 176 0 / .2);
  --fr-bloom-big: 0 0 2px rgb(255 190 60 / .6), 0 0 18px rgb(255 160 0 / .35), 0 0 42px rgb(255 140 0 / .14);
  --iz-card: var(--fr-panel); --iz-glass: var(--fr-panel); --iz-glass-thin: var(--fr-panel); --iz-glass-thick: var(--fr-panel); --iz-glass-solid: var(--fr-panel); --iz-code-bg: var(--fr-panel);
  color-scheme: dark;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]) body{
    --fr-bg: #0a0703; --fr-band: #0a0703; --fr-panel: #120c05;
    --fr-ink: #ffb000; --fr-ink-2: #c98a12; --fr-hot: #ffe2a6; --fr-grn: #8cff9a; --fr-line: #4a3207;
    --fr-line-2: color-mix(in oklch, #ffb000 34%, transparent);
    --fr-bloom: 0 0 1px rgb(255 176 0 / .45), 0 0 9px rgb(255 176 0 / .2);
    --fr-bloom-big: 0 0 2px rgb(255 190 60 / .6), 0 0 18px rgb(255 160 0 / .35), 0 0 42px rgb(255 140 0 / .14);
    --iz-card: var(--fr-panel); --iz-glass: var(--fr-panel); --iz-glass-thin: var(--fr-panel); --iz-glass-thick: var(--fr-panel); --iz-glass-solid: var(--fr-panel); --iz-code-bg: var(--fr-panel);
    color-scheme: dark;
  }
}
@media (prefers-reduced-transparency: reduce){ body{ --fr-bloom: none; --fr-bloom-big: none } }

/* ---------- base ---------- */
*,*::before,*::after{ box-sizing: border-box }
html{ -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--fr-menu-h) + 24px); background: var(--fr-bg, #0a0703) }
body{
  margin: 0; min-height: 100vh; color: var(--fr-ink); font: 400 16px/1.65 var(--fr-mono); -webkit-font-smoothing: antialiased;
  text-shadow: var(--fr-bloom); padding-bottom: var(--fr-sl-h);
  /* paper: green bars every three lines, tractor holes in both margins */
  background:
    radial-gradient(circle at 50% 50%, var(--fr-hole, #e3dfcd) 0 4.2px, var(--fr-line) 4.6px, transparent 5.2px) left 4px top 6px / 18px 24px repeat-y,
    radial-gradient(circle at 50% 50%, var(--fr-hole, #e3dfcd) 0 4.2px, var(--fr-line) 4.6px, transparent 5.2px) right 4px top 6px / 18px 24px repeat-y,
    linear-gradient(90deg, transparent 25px, var(--fr-line) 25px 26px, transparent 26px calc(100% - 26px), var(--fr-line) calc(100% - 26px) calc(100% - 25px), transparent calc(100% - 25px)),
    repeating-linear-gradient(180deg, var(--fr-band) 0 78px, var(--fr-bg) 78px 156px);
  background-color: var(--fr-bg);
}
:root[data-theme="dark"] body{ background: var(--fr-bg) }
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) body{ background: var(--fr-bg) } }
h1,h2,h3,p,figure,ol,ul,dl,dd,pre{ margin: 0 }
ol,ul{ padding: 0; list-style: none }
a{ color: inherit }
img,svg,canvas{ display: block }
code,kbd,pre,samp{ font-family: var(--fr-mono) }
button{ font: inherit; color: inherit }
::selection{ background: var(--fr-sel); color: var(--fr-sel-fg); text-shadow: none }
:focus-visible{ outline: 2px solid var(--fr-hot); outline-offset: 3px; border-radius: 0 }
.sr{ position: absolute!important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0 }
.skip{ position: fixed; left: 12px; top: -80px; z-index: 300; padding: 8px 12px; background: var(--fr-ink); color: var(--fr-bg); text-shadow: none }
.skip:focus{ top: 56px }
.wrap{ width: 100%; max-width: 1320px; margin-inline: auto; padding-inline: calc(var(--fr-gut) + 18px) }
@media (min-width: 900px){ .wrap{ padding-inline: 64px } }

/* cursor: a phosphor crosshair on fine pointers */
@media (pointer: fine){
  body{ cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24'%3E%3Cpath d='M12 1v8M12 15v8M1 12h8M15 12h8' stroke='%231c2a1f' stroke-width='1.5'/%3E%3Crect x='11' y='11' width='2' height='2' fill='%239a3d08'/%3E%3C/svg%3E") 12 12, crosshair }
  :root[data-theme="dark"] body{ cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24'%3E%3Cpath d='M12 1v8M12 15v8M1 12h8M15 12h8' stroke='%23ffb000' stroke-width='1.5'/%3E%3Crect x='11' y='11' width='2' height='2' fill='%23ffe2a6'/%3E%3C/svg%3E") 12 12, crosshair }
  a, button, summary, input, [role="tab"], [role="radio"]{ cursor: pointer }
}

/* ---------- tube overlay: raster lines, vignette, grain (CRT only) ---------- */
.scan{ position: fixed; inset: 0; z-index: 90; pointer-events: none; display: none }
:root[data-theme="dark"] .scan{ display: block }
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .scan{ display: block } }
.scan{
  background:
    repeating-linear-gradient(180deg, rgb(0 0 0 / .26) 0 1px, transparent 1px 3px),
    radial-gradient(130% 110% at 50% 50%, transparent 58%, rgb(0 0 0 / .55) 100%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.07'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}
@media (prefers-reduced-transparency: reduce){ .scan{ display: none !important } }

/* ---------- power-on (CRT) and form feed (paper) ---------- */
.power{ position: fixed; inset: 0; z-index: 250; pointer-events: none; display: none; background: var(--fr-bg); place-items: center }
.power span{ position: absolute; left: 0; right: 0; top: 50%; height: 2px; margin-top: -1px; background: var(--fr-hot); box-shadow: 0 0 12px var(--fr-ink), 0 0 40px var(--fr-ink); transform-origin: 50% 50% }
.pw-boot{ position: relative; margin-top: 64px; font: 500 13px/1.4 var(--fr-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--fr-ink); text-shadow: var(--fr-bloom) }
.pw-boot b{ font-weight: 600; margin-right: 10px }
.pw-boot i{ font-style: normal; display: inline-block; min-width: 3ch; text-align: right; font-variant-numeric: tabular-nums }
@media (prefers-reduced-motion: no-preference){
  :root.js .power{ display: grid }
  :root.js .power span{ animation: warm 1.1s var(--fr-ease) infinite alternate }
  :root.js[data-theme="light"] .hero{ animation: formfeed .5s steps(4, end) both }
}
@keyframes warm{ 0%{ transform: scaleX(.04) } 100%{ transform: scaleX(1) } }
@keyframes tubeOn{ 0%{ opacity: 1 } 70%{ opacity: 1 } 71%{ opacity: .6 } 80%{ opacity: .25 } 100%{ opacity: 0; visibility: hidden } }
@keyframes raster{ 0%{ transform: scaleX(0) } 35%{ transform: scaleX(1); height: 2px } 70%{ transform: scaleX(1) scaleY(1); top: 0; height: 100%; margin-top: 0; opacity: .5 } 100%{ top: 0; height: 100%; margin-top: 0; opacity: 0 } }
@keyframes formfeed{ from{ transform: translateY(72px) } to{ transform: none } }

/* ---------- menu line ---------- */
.menu{
  position: fixed; inset: 0 0 auto; z-index: 100; height: var(--fr-menu-h); display: flex; align-items: center; gap: 20px;
  padding-inline: calc(var(--fr-gut) + 10px) calc(var(--fr-gut) + 6px); background: var(--fr-bg);
  border-bottom: 3px double var(--fr-line-2); font-size: 13px; text-transform: lowercase;
}
.brand{ display: inline-flex; align-items: center; gap: 9px; text-decoration: none; font: 600 14px/1 var(--fr-mono); letter-spacing: .08em }
.brand b{ font-weight: 400; color: var(--fr-ink-2) }
.brand-mark{ width: 22px; height: 22px; filter: drop-shadow(0 0 4px color-mix(in oklch, var(--fr-ink) 40%, transparent)) }
.menu-nav{ margin-left: auto }
.menu-nav ol{ display: flex; gap: 2px }
.menu-nav a{ display: inline-flex; align-items: center; gap: 6px; padding: 5px 8px; text-decoration: none; color: var(--fr-ink-2) }
.menu-nav a kbd{ display: inline-grid; place-items: center; min-width: 17px; height: 17px; padding: 0 3px; font-size: 11px; background: var(--fr-ink-2); color: var(--fr-bg); text-shadow: none }
.menu-nav a:hover, .menu-nav a[aria-current="true"]{ background: var(--fr-ink); color: var(--fr-bg); text-shadow: none }
.menu-nav a:hover kbd, .menu-nav a[aria-current="true"] kbd{ background: var(--fr-bg); color: var(--fr-ink) }
.menu-nav a:hover{ animation: flick .18s steps(2) 1 }
@keyframes flick{ 50%{ opacity: .55 } }
.menu-end{ display: flex; align-items: center; gap: 10px }

/* Inazda segmented and tabs, restyled as terminal toggles */
.iz-seg.on-page, .iz-tabs-list{ background: transparent; box-shadow: inset 0 0 0 1px var(--fr-line-2); border-radius: 0; padding: 2px; color: var(--fr-ink) }
.iz-seg.on-page .iz-seg-thumb, .iz-tabs-list .iz-seg-thumb{ background: var(--fr-ink); box-shadow: none; border-radius: 0; top: 2px; bottom: 2px }
.iz-seg-opt, .iz-tab{ border-radius: 0; font: 500 12px/1 var(--fr-mono); letter-spacing: .06em; text-transform: uppercase; opacity: 1; color: var(--fr-ink-2); text-shadow: none; transition: color 0s }
.iz-seg-opt[aria-checked="true"], .iz-tab[aria-selected="true"]{ color: var(--fr-bg) }
.iz-seg[data-size="sm"] .iz-seg-opt{ height: 24px; padding: 0 9px }
.iz-tab{ height: 26px; padding: 0 10px }
.iz-tab-panel:focus-visible{ outline-offset: -2px }

/* keycaps */
.key{
  display: inline-flex; align-items: center; gap: 10px; min-height: 44px; padding: 0 16px; text-decoration: none; font: 500 14px/1 var(--fr-mono);
  text-transform: uppercase; letter-spacing: .08em; background: var(--fr-ink); color: var(--fr-bg); text-shadow: none;
  box-shadow: 0 4px 0 color-mix(in oklch, var(--fr-ink) 55%, var(--fr-bg)), 0 0 16px color-mix(in oklch, var(--fr-ink) 25%, transparent);
  transform: translateY(0); transition: transform 60ms linear, box-shadow 60ms linear;
}
.key kbd{ font-size: 11px; padding: 2px 5px; border: 1px solid currentColor; text-transform: lowercase; letter-spacing: 0 }
.key:hover{ transform: translateY(1px); box-shadow: 0 3px 0 color-mix(in oklch, var(--fr-ink) 55%, var(--fr-bg)), 0 0 22px color-mix(in oklch, var(--fr-ink) 35%, transparent) }
.key:active{ transform: translateY(4px); box-shadow: 0 0 0 color-mix(in oklch, var(--fr-ink) 55%, var(--fr-bg)) }
.key.ghost{ background: transparent; color: var(--fr-ink); box-shadow: inset 0 0 0 1px var(--fr-ink), 0 4px 0 var(--fr-line-2); text-shadow: var(--fr-bloom) }
.key.ghost:active{ box-shadow: inset 0 0 0 1px var(--fr-ink) }
.key-sm{ min-height: 28px; padding: 0 10px; font-size: 12px; box-shadow: 0 3px 0 color-mix(in oklch, var(--fr-ink) 55%, var(--fr-bg)) }
.key-sm:active{ transform: translateY(3px) }

/* links: inverse-video selection that grows in steps */
.lnk{ display: inline-block; padding: 2px 4px; margin-left: -4px; text-decoration: underline dotted 1px; text-underline-offset: 4px;
  background: linear-gradient(var(--fr-ink), var(--fr-ink)) left / 0% 100% no-repeat; transition: background-size .24s var(--fr-step), color 0s .12s }
.lnk::before{ content: "> " }
.lnk:hover{ background-size: 100% 100%; color: var(--fr-bg); text-shadow: none; text-decoration: none }
.copy-btn{ border: 0; background: none; padding: 4px 6px; font: 500 12.5px/1 var(--fr-mono); color: var(--fr-ink-2); text-shadow: none }
.copy-btn:hover{ background: var(--fr-ink); color: var(--fr-bg) }
.copy-btn[data-done]{ color: var(--fr-grn) }
.caret{ display: inline-block; width: .55em; height: .92em; margin-left: .06em; vertical-align: -.1em; background: currentColor; box-shadow: var(--fr-bloom); animation: blink 1.06s steps(1) infinite }
@keyframes blink{ 50%{ opacity: 0 } }

/* frames: box-drawing windows */
.frame{ position: relative; border: 1px solid var(--fr-line-2); background: color-mix(in oklch, var(--fr-bg) 92%, transparent) }
:root[data-theme="dark"] .frame{ background: color-mix(in oklch, var(--fr-panel) 92%, transparent) }
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .frame{ background: color-mix(in oklch, var(--fr-panel) 92%, transparent) } }
.frame-t{ display: flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 34px; padding: 4px 10px 4px 12px; border-bottom: 1px solid var(--fr-line-2); font: 500 12px/1.2 var(--fr-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--fr-ink-2) }
.frame-t > span:first-child::before{ content: "┤ "; color: var(--fr-line-2) }
.frame-t > span:first-child::after{ content: " ├"; color: var(--fr-line-2) }
.tag{ padding: 3px 6px; background: var(--fr-ink-2); color: var(--fr-bg); text-shadow: none; letter-spacing: .04em }

/* ---------- the one canvas ---------- */
.gl{ position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; opacity: 0; transition: opacity .6s steps(5) }
.gl-on .gl{ opacity: 1 }
.gl-on.gl-off .gl{ opacity: 0 }
main, .foot{ position: relative; z-index: 1 }

/* ---------- hero: the tube ---------- */
.hero{ position: relative; min-height: max(100svh, 760px); padding: calc(var(--fr-menu-h) + 34px) 0 calc(var(--fr-sl-h) + 34px); overflow: hidden }
.graticule{
  position: absolute; inset: calc(var(--fr-menu-h) + 14px) calc(var(--fr-gut) + 12px) calc(var(--fr-sl-h) + 14px); pointer-events: none;
  border: 1px solid var(--fr-line);
  background:
    linear-gradient(var(--fr-line), var(--fr-line)) center / 100% 1px no-repeat,
    linear-gradient(var(--fr-line), var(--fr-line)) center / 1px 100% no-repeat,
    repeating-linear-gradient(90deg, transparent 0 calc(10% - 1px), color-mix(in oklch, var(--fr-line) 70%, transparent) calc(10% - 1px) 10%),
    repeating-linear-gradient(180deg, transparent 0 calc(12.5% - 1px), color-mix(in oklch, var(--fr-line) 70%, transparent) calc(12.5% - 1px) 12.5%);
  opacity: .9;
}
.graticule::before, .graticule::after{ content: ""; position: absolute; background: repeating-linear-gradient(90deg, var(--fr-line) 0 1px, transparent 1px 2%) }
.graticule::before{ left: 0; right: 0; top: calc(50% - 4px); height: 9px }
.graticule::after{ top: 0; bottom: 0; left: calc(50% - 4px); width: 9px; background: repeating-linear-gradient(180deg, var(--fr-line) 0 1px, transparent 1px 2.5%) }
.hero-in{ position: relative; z-index: 2; padding-inline: calc(var(--fr-gut) + 34px); max-width: 1440px; margin-inline: auto }
@media (min-width: 900px){ .hero-in{ padding-inline: 80px } }
.boot{ font: 400 12.5px/1.65 var(--fr-mono); color: var(--fr-ink-2); margin-bottom: 18px; white-space: normal }
.boot span{ display: block }
.boot-ok{ color: var(--fr-grn) }
@media (prefers-reduced-motion: no-preference){
  .js .boot span{ animation: printIn 0s steps(1) both; animation-delay: calc(.55s + var(--k, 0) * .09s) }
  .js .boot span:nth-child(1){ --k: 0 } .js .boot span:nth-child(2){ --k: 1 } .js .boot span:nth-child(3){ --k: 2 } .js .boot span:nth-child(4){ --k: 3 } .js .boot span:nth-child(5){ --k: 4 } .js .boot span:nth-child(6){ --k: 5 }
  .js .hero-h .l1{ animation: printIn 0s steps(1) 1.05s both } .js .hero-h .l2{ animation: printIn 0s steps(1) 1.15s both }
}
@keyframes printIn{ from{ visibility: hidden } to{ visibility: visible } }
.hero-h{ font: 400 clamp(68px, 9.2vw, 168px)/.8 var(--fr-disp); text-transform: uppercase; letter-spacing: -.01em; color: var(--fr-ink); text-shadow: var(--fr-bloom-big); margin-left: -.04em; max-width: 12ch }
.hero-h span{ display: block }
.hero-h .l2{ color: var(--fr-hot) }
.hero-h .caret{ width: .42em; height: .66em; vertical-align: -.02em; margin-left: .1em; background: var(--fr-ink) }
.lede{ margin-top: 26px; max-width: 54ch; font-size: clamp(15.5px, 1.2vw, 17.5px); color: var(--fr-ink) }
.install{ margin-top: 26px; display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px }
.prompt-line{ display: inline-flex; align-items: center; gap: 10px; min-height: 46px; padding: 0 6px 0 14px; border: 1px solid var(--fr-line-2); background: color-mix(in oklch, var(--fr-bg) 85%, transparent); font-size: 15px; max-width: 100% }
.prompt-line code{ white-space: nowrap; overflow: hidden; text-overflow: ellipsis }
.ps1{ color: var(--fr-grn); white-space: nowrap }
.keys{ display: flex; flex-wrap: wrap; gap: 16px 18px; margin-top: 28px }
.bezel{ position: absolute; inset: calc(var(--fr-menu-h) + 14px) calc(var(--fr-gut) + 12px) calc(var(--fr-sl-h) + 14px); pointer-events: none; z-index: 2; font: 500 11.5px/1.3 var(--fr-mono); letter-spacing: .08em; text-transform: uppercase }
.bz{ position: absolute; display: flex; gap: 10px; padding: 6px 10px; background: var(--fr-bg) }
.bz dt{ color: var(--fr-ink-2) } .bz dd{ color: var(--fr-ink) }
.bz.tl{ top: 0; right: 0; border-left: 1px solid var(--fr-line); border-bottom: 1px solid var(--fr-line) }
.bz.tr{ top: 30px; right: 0; border-left: 1px solid var(--fr-line); border-bottom: 1px solid var(--fr-line) }
.bz.br{ top: 60px; right: 0; border-left: 1px solid var(--fr-line); border-bottom: 1px solid var(--fr-line); font-variant-numeric: tabular-nums }
.bz.bl{ bottom: 0; left: 0; border-right: 1px solid var(--fr-line); border-top: 1px solid var(--fr-line) }

/* CSS composition of the five channels: no-JS, reduced motion, no WebGL, slow model */
.chan-still{ display: none; position: absolute; pointer-events: none; perspective: 1400px; z-index: 1 }
html:not(.js) .chan-still, .rm .chan-still, .no-gl .chan-still, .gl-slow:not(.gl-on) .chan-still{ display: block }
.cs{
  position: absolute; left: 0; top: 0; z-index: calc(5 - var(--i)); width: 250px; aspect-ratio: 1.55; padding: 12px 14px; display: flex; flex-direction: column; gap: 4px;
  font: 400 30px/1 var(--fr-disp); text-transform: uppercase; color: var(--fr-ink); background-color: var(--fr-panel);
  background-image: linear-gradient(var(--fr-line) 1px, transparent 1px), linear-gradient(90deg, var(--fr-line) 1px, transparent 1px);
  background-size: 10% 12.5%; border: 1px solid var(--fr-line-2);
  transform: translate3d(calc(var(--i) * 70px), calc(var(--i) * -44px), calc(var(--i) * -80px)) rotateY(-24deg);
}
.cs b{ font: 500 12px/1 var(--fr-mono); color: var(--fr-ink-2) }
.cs i{ margin-top: auto; font: 500 13px/1 var(--fr-mono); font-style: normal; color: var(--fr-hot) }
.hero-still{ right: max(24px, 4vw); bottom: 140px; width: 540px; height: 160px }
@media (max-width: 1240px){ .hero-still{ transform: scale(.78); transform-origin: right bottom } }

/* ---------- sections as commands ---------- */
.sec{ position: relative; padding-block: clamp(84px, 10vw, 150px); border-top: 1px dashed var(--fr-line) }
.sec::before{ content: attr(data-pg); position: absolute; right: calc(var(--fr-gut) + 18px); top: 10px; font: 400 11px/1 var(--fr-mono); color: var(--fr-ink-2); letter-spacing: .1em }
.cmd-line{ font: 500 15px/1.5 var(--fr-mono); color: var(--fr-ink); margin-bottom: 26px; overflow-wrap: anywhere }
.typed[data-typing]::after{ content: ""; display: inline-block; width: .55em; height: 1em; margin-left: 2px; vertical-align: -.15em; background: currentColor; animation: blink .6s steps(1) infinite }
.sec-h{ font: 400 clamp(52px, 6.6vw, 112px)/.84 var(--fr-disp); text-transform: uppercase; letter-spacing: -.005em; text-shadow: var(--fr-bloom-big); max-width: 14ch }
.sec-h.big{ font-size: clamp(56px, 8.4vw, 150px); max-width: 16ch; margin-bottom: 56px }
/* the output prints line by line, and one retrace bar sweeps the section */
@media (prefers-reduced-motion: no-preference){
  .js .cmd:not(.run) .out > *, .js .cmd:not(.run) .frame{ visibility: hidden }
  .js .cmd.run .out > *, .js .cmd.run .frame{ animation: printIn 0s steps(1) both; animation-delay: calc(.35s + var(--k, 0) * .07s) }
  .js .sec.run::after{ content: ""; position: absolute; left: 0; right: 0; top: 0; height: 90px; pointer-events: none; z-index: 3;
    background: linear-gradient(180deg, transparent, color-mix(in oklch, var(--fr-ink) 16%, transparent) 70%, color-mix(in oklch, var(--fr-ink) 40%, transparent) 72%, transparent 74%);
    animation: retrace .9s cubic-bezier(.4,0,.2,1) both }
}
@keyframes retrace{ from{ transform: translateY(-90px); opacity: 1 } 90%{ opacity: 1 } to{ transform: translateY(calc(100vh)); opacity: 0 } }

/* ---------- journey ---------- */
.journey{ position: relative; height: 560vh }
.journey .cmd-line{ margin-bottom: 12px }
.stage{ position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden }
.stage-copy{ position: absolute; top: calc(var(--fr-menu-h) + 28px); left: max(calc(var(--fr-gut) + 18px), calc((100vw - 1320px) / 2 + 64px)); width: min(540px, 41vw); display: grid; gap: 16px }
.stage-copy .sec-h{ font-size: clamp(44px, 4.6vw, 76px); max-width: none }
.term{ overflow: hidden }
.term-body{ padding: 12px 14px 14px; font: 400 13px/1.7 var(--fr-mono); outline-offset: -2px }
.t-line{ position: relative; white-space: pre; min-height: 1.7em }
.t-indent{ padding-left: 4ch }
.t-pr{ color: var(--fr-grn); margin-right: 1ch; user-select: none }
.t-txt{ position: relative; display: inline-block }
.t-log{ display: grid; grid-template-columns: 2ch 10ch minmax(0,1fr) auto; color: var(--fr-ink-2) }
.t-log b{ font-weight: 500; color: var(--fr-ink) }
.t-log .t-det{ overflow: hidden; text-overflow: ellipsis }
.t-log i{ font-style: normal; color: var(--fr-ink); padding-left: 2ch; font-variant-numeric: tabular-nums }
.t-dir{ color: var(--fr-ink-2) }
.t-res .t-dir{ display: inline-block; width: 2ch; color: var(--fr-grn) }
.t-ok{ color: var(--fr-grn); font-weight: 600 }
.t-json{ color: var(--fr-grn) }
.only-m{ display: none }
.live .t-txt{ clip-path: inset(-3px calc((1 - var(--rv, 1)) * 100%) -3px -2px) }
.caret.t-caret{ position: absolute; top: .28em; width: .6ch; height: 1.15em; margin: 0; opacity: 0; animation: none }
.caret.t-caret[data-on]{ opacity: 1 }
.live .t-log{ visibility: hidden }
.live .t-log[data-on]{ visibility: visible }
.live .t-log[data-on] .t-dir{ color: var(--fr-grn) }
.live .t-log[data-hot]{ background: var(--fr-ink); color: var(--fr-bg); text-shadow: none; margin-inline: -6px; padding-inline: 6px }
.live .t-log[data-hot] b, .live .t-log[data-hot] i, .live .t-log[data-hot] .t-dir{ color: var(--fr-bg) }
.live .t-line[data-type="res"]:not([data-shown]) .t-dir{ visibility: hidden }

.rail{ position: relative }
.layers{ display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 6px }
.layers li{ position: relative; display: grid; gap: 2px; padding: 8px 8px 6px; border: 1px solid var(--fr-line); color: var(--fr-ink-2) }
.layers li::before{ content: ""; position: absolute; right: 7px; top: 9px; width: 7px; height: 7px; border: 1px solid currentColor }
.layers li::after{ content: ""; position: absolute; left: -1px; bottom: -1px; height: 2px; width: calc(var(--lf, 0) * (100% + 2px)); background: var(--fr-ink) }
.layers li[data-done]::before{ background: var(--fr-grn); border-color: var(--fr-grn); box-shadow: 0 0 6px var(--fr-grn) }
.layers li[data-on]{ border-color: var(--fr-ink); color: var(--fr-ink) }
.l-n{ font: 500 11px/1 var(--fr-mono); letter-spacing: .08em }
.l-t b{ display: block; font: 400 22px/1 var(--fr-disp); text-transform: uppercase }
.l-d{ display: block; font-size: 13px; line-height: 1.5; color: var(--fr-ink-2) }
.live .layers .l-d{ position: absolute!important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0 }
.layer-desc{ position: relative; height: 48px; margin-top: 12px; font-size: 14px; line-height: 1.5; color: var(--fr-ink-2) }
.layer-desc p{ position: absolute; inset: 0; visibility: hidden }
.layer-desc p[data-on]{ visibility: visible }
.layer-desc b{ color: var(--fr-ink); font-weight: 500 }
.live .rail{ min-height: 238px }
.live .layers, .live .layer-desc{ visibility: visible; opacity: clamp(0, 1 - var(--wo, 0) * 2, 1) }
.live .waterfall{ position: absolute; left: 0; right: 0; top: 0; opacity: clamp(0, var(--wo, 0) * 2 - 1, 1); pointer-events: none }
.scope-svg{ width: 100%; height: 190px; background: var(--fr-bg) }
.scope-svg .g-l{ stroke: var(--fr-line); stroke-width: 1; vector-effect: non-scaling-stroke }
.scope-svg .g-a{ stroke: var(--fr-line); stroke-width: 1; vector-effect: non-scaling-stroke; stroke-dasharray: 1 3 }
.scope-svg .tr{ fill: none; stroke: var(--fr-ink); stroke-width: 2; vector-effect: non-scaling-stroke; filter: drop-shadow(0 0 3px color-mix(in oklch, var(--fr-ink) 70%, transparent)) }
.scope-svg .tr.hot{ stroke: var(--fr-hot) } .scope-svg .tr.g{ stroke: var(--fr-grn); filter: drop-shadow(0 0 3px color-mix(in oklch, var(--fr-grn) 70%, transparent)) }
.scope-svg .cur{ stroke: var(--fr-grn); stroke-width: 1; stroke-dasharray: 4 3; vector-effect: non-scaling-stroke }
.scope-svg text{ font: 500 11px var(--fr-mono); fill: var(--fr-ink-2) }
.wf-legend{ display: flex; flex-wrap: wrap; gap: 4px 14px; padding: 8px 12px 10px; font-size: 12px; color: var(--fr-ink-2); border-top: 1px solid var(--fr-line-2); font-variant-numeric: tabular-nums }
.wf-legend .hot{ color: var(--fr-hot) } .wf-legend .g{ color: var(--fr-grn) } .wf-legend .u{ margin-left: auto }
.journey-still{ right: 6vw; top: 28%; width: 600px; height: 420px }

/* no-JS / reduced motion: everything printed, nothing pinned */
html:not(.js) .journey, .rm .journey{ height: auto }
html:not(.js) .stage, .rm .stage{ position: relative; height: auto; overflow: visible; padding: 110px 0 90px; border-top: 1px dashed var(--fr-line) }
html:not(.js) .stage-copy, .rm .stage-copy{ position: relative; top: auto; left: auto; width: auto; max-width: 1320px; margin-inline: auto; padding-inline: calc(var(--fr-gut) + 18px) }
html:not(.js) .journey-still, .rm .journey-still{ display: none }
html:not(.js) .layers, .rm .layers{ grid-template-columns: minmax(0,1fr) }
html:not(.js) .layer-desc, .rm .layer-desc{ display: none }
html:not(.js) .waterfall, .rm .waterfall{ margin-top: 18px }
@media (min-width: 900px){
  html:not(.js) .stage-copy, .rm .stage-copy{ padding-inline: 64px; grid-template-columns: minmax(0,1fr) minmax(0,1fr); column-gap: 48px; align-items: start }
  html:not(.js) .stage-copy > .cmd-line, html:not(.js) .stage-copy > .sec-h, .rm .stage-copy > .cmd-line, .rm .stage-copy > .sec-h{ grid-column: 1 / -1 }
}

/* bands after the journey are opaque so the tube behind them is gone */
.sec{ background: transparent }
:root[data-theme="dark"] .sec{ background: var(--fr-bg) }
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .sec{ background: var(--fr-bg) } }
/* paper edition: the green-bar bands make tall section padding read as empty sheets, so keep it tighter */
:root[data-theme="light"] .sec{ padding-block: clamp(56px, 6vw, 92px) }
@media (prefers-color-scheme: light){ :root:not([data-theme="dark"]) .sec{ padding-block: clamp(56px, 6vw, 92px) } }
:root[data-theme="light"] .sec, .foot{ isolation: isolate }

/* ---------- SDK ---------- */
.sdk-grid{ display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 56px; align-items: start }
.sdk-copy{ display: grid; gap: 22px; justify-items: start }
.sdk-copy p{ max-width: 46ch; color: var(--fr-ink) }
.code-top{ padding: 6px 8px }
.code-top .iz-tabs-list{ padding: 2px }
.file{ font: 500 12px/1 var(--fr-mono); color: var(--fr-ink-2); padding: 14px 18px 0 }
.code-card pre{ margin: 0; padding: 10px 18px 20px; overflow-x: auto; font: 400 13.5px/1.75 var(--fr-mono); tab-size: 4; min-height: 360px }
.tk-k{ color: var(--fr-hot) } .tk-s{ color: var(--fr-grn) } .tk-c{ color: var(--fr-ink-2); font-style: italic } .tk-n{ color: var(--fr-hot) } .tk-f{ color: var(--fr-ink); text-decoration: underline dotted 1px; text-underline-offset: 3px }

/* ---------- inspect ---------- */
.feat-grid{ display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 56px }
.feat-step{ min-height: 70vh; display: grid; grid-template-columns: minmax(0,1fr); align-content: center; gap: 10px; max-width: 440px; color: var(--fr-ink-2) }
.feat-step[data-on]{ color: var(--fr-ink) }
.feat-step h3{ font: 400 clamp(32px, 3vw, 46px)/.9 var(--fr-disp); text-transform: uppercase; color: inherit }
.feat-step[data-on] h3{ text-shadow: var(--fr-bloom-big) }
.feat-step[data-on] .f-n{ background: var(--fr-ink); color: var(--fr-bg); text-shadow: none }
.f-n{ justify-self: start; padding: 1px 6px; font: 500 13px/1.4 var(--fr-mono); border: 1px solid currentColor }
.feat-shot-inline{ display: none; min-width: 0 }
.shot{ min-width: 0 }
.feat-stage{ position: sticky; top: calc(var(--fr-menu-h) + 9vh); height: 66vh; min-height: 460px }
.feat-stage .shot{ position: absolute; inset: 0; margin: auto; height: fit-content; visibility: hidden }
.feat-stage .shot[data-on]{ visibility: visible; animation: crtCut .26s steps(3) both }
@keyframes crtCut{ 0%{ clip-path: inset(49% 0 49% 0) } 50%{ clip-path: inset(10% 0 10% 0) } 100%{ clip-path: inset(0) } }
.trace{ display: grid; gap: 2px; padding: 14px 16px 4px }
.tr-row{ display: grid; grid-template-columns: 16ch minmax(0,1fr) 4ch; align-items: center; gap: 12px; height: 26px; font: 400 12.5px/1 var(--fr-mono) }
.tr-row.lvl1 .tr-name{ padding-left: 1.5ch } .tr-row.lvl2 .tr-name{ padding-left: 3ch; color: var(--fr-ink-2) }
.tr-track{ position: relative; height: 12px; background: repeating-linear-gradient(90deg, var(--fr-line) 0 1px, transparent 1px 10%) }
.tr-track i{ position: absolute; top: 0; bottom: 0; left: calc(var(--s) / 41 * 100%); width: calc(var(--d) / 41 * 100%); background: repeating-linear-gradient(90deg, var(--fr-ink) 0 3px, transparent 3px 5px) }
.tr-row.hot .tr-track i{ background: var(--fr-hot); box-shadow: 0 0 8px var(--fr-hot) }
.tr-row.lvl2 .tr-track i{ background: repeating-linear-gradient(90deg, var(--fr-grn) 0 3px, transparent 3px 5px) }
.tr-ms{ text-align: right; font-variant-numeric: tabular-nums }
.tr-logs, .replay-out, .attempts{ margin: 12px 16px 16px; padding: 12px 14px; border: 1px dashed var(--fr-line-2); font: 400 12.5px/1.75 var(--fr-mono); white-space: pre; overflow-x: auto; color: var(--fr-ink) }
.shot .iz-diff{ margin: 14px 16px 0; box-shadow: 0 0 0 1px var(--fr-line-2); border-radius: 0; background: var(--fr-bg) }
.shot .iz-diff table{ min-width: 560px }
.shot .iz-diff-head{ font-size: 12px }
.table-x{ overflow-x: auto; max-width: 100% }
.shot .table-x{ padding: 12px 16px 16px }
.ascii-t{ border-collapse: collapse; width: 100%; font: 400 13.5px/1.4 var(--fr-mono); border: 1px solid var(--fr-line-2) }
.ascii-t th, .ascii-t td{ text-align: left; padding: 9px 12px; border: 1px solid var(--fr-line-2); white-space: nowrap; font-weight: 400 }
.ascii-t thead th{ font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--fr-ink-2) }
.ascii-t tbody tr:hover{ background: color-mix(in oklch, var(--fr-ink) 10%, transparent) }
.ascii-t .hot{ color: var(--fr-hot) }
.blink{ animation: blink 1.06s steps(1) infinite }

/* ---------- plans ---------- */
.flag{ color: var(--fr-hot) }
.calc{ display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); margin: 40px 0 28px }
.calc > .frame-t{ grid-column: 1 / -1 }
.calc-in{ padding: 22px 24px 20px; display: grid; gap: 8px; align-content: start; border-right: 1px solid var(--fr-line-2) }
.calc-label{ font: 500 12px/1 var(--fr-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--fr-ink-2) }
.calc-reqs{ font: 400 clamp(40px, 4.2vw, 64px)/.9 var(--fr-disp); text-shadow: var(--fr-bloom-big) }
.calc-help{ font-size: 12.5px; color: var(--fr-ink-2) }
.range{ -webkit-appearance: none; appearance: none; width: 100%; height: 30px; margin: 10px 0 0; background: transparent }
.range:focus-visible{ outline: 2px solid var(--fr-hot); outline-offset: 4px }
.range::-webkit-slider-runnable-track{ height: 22px; background: repeating-linear-gradient(90deg, var(--fr-ink) 0 7px, transparent 7px 10px) 0 0 / var(--fill, 43%) 100% no-repeat, repeating-linear-gradient(90deg, var(--fr-line) 0 7px, transparent 7px 10px) }
.range::-moz-range-track{ height: 22px; background: repeating-linear-gradient(90deg, var(--fr-line) 0 7px, transparent 7px 10px) }
.range::-moz-range-progress{ height: 22px; background: repeating-linear-gradient(90deg, var(--fr-ink) 0 7px, transparent 7px 10px) }
.range::-webkit-slider-thumb{ -webkit-appearance: none; width: 12px; height: 30px; margin-top: -4px; background: var(--fr-hot); border: 0; box-shadow: 0 0 10px var(--fr-ink) }
.range::-moz-range-thumb{ width: 12px; height: 30px; border: 0; border-radius: 0; background: var(--fr-hot); box-shadow: 0 0 10px var(--fr-ink) }
.range-scale{ display: flex; justify-content: space-between; font-size: 11.5px; color: var(--fr-ink-2) }
.calc-out{ padding: 22px 24px; display: grid; gap: 10px; align-content: center }
.calc-lines{ font: 400 13.5px/1.7 var(--fr-mono); white-space: pre; overflow-x: auto; color: var(--fr-ink) }
.calc-total{ display: flex; align-items: baseline; gap: 4px; font: 400 clamp(72px, 8vw, 124px)/.8 var(--fr-disp); color: var(--fr-hot); text-shadow: var(--fr-bloom-big); font-variant-numeric: tabular-nums }
.calc-total .cur{ font-size: .5em; align-self: flex-start }
.calc-total .per{ font: 400 15px/1 var(--fr-mono); color: var(--fr-ink-2); text-shadow: none; margin-left: 6px }
.plans-t tbody th{ font-weight: 600; letter-spacing: .08em }
.plans-t tr.plan{ transition: background 0s }
.plans-t tr.plan[data-active]{ background: var(--fr-ink); color: var(--fr-bg); text-shadow: none }
.plans-t tr.plan[data-active] th::before{ content: "▸ " }

/* ---------- status ---------- */
.status-grid{ display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 56px; align-items: start }
.status-out{ display: grid; gap: 14px }
.st-head{ display: flex; align-items: center; gap: 10px; font-size: 13px; letter-spacing: .06em; text-transform: uppercase }
.ok-lamp{ width: 9px; height: 9px; background: var(--fr-grn); box-shadow: 0 0 8px var(--fr-grn); animation: blink 2.2s steps(1) infinite }
.uptime{ display: grid; grid-template-columns: repeat(90, minmax(0,1fr)); gap: 2px; height: 40px }
.uptime i{ background: var(--fr-ink); box-shadow: 0 0 4px color-mix(in oklch, var(--fr-ink) 40%, transparent) }
.uptime i[data-s="deg"]{ background: repeating-linear-gradient(45deg, var(--fr-hot) 0 2px, transparent 2px 4px); box-shadow: none }
.uptime-legend{ display: flex; justify-content: space-between; font-size: 11.5px; color: var(--fr-ink-2) }

/* ---------- log ---------- */
.cl-list li{ display: grid; grid-template-columns: 9ch 12ch 9ch minmax(0,1fr); gap: 4px 20px; padding: 18px 0; border-top: 1px dashed var(--fr-line); align-items: baseline }
.cl-list li:last-child{ border-bottom: 1px dashed var(--fr-line) }
.cl-list .h{ color: var(--fr-hot) }
.cl-list time{ color: var(--fr-ink-2); font-variant-numeric: tabular-nums }
.cl-tag{ color: var(--fr-grn); font-size: 13px }
.cl-tag::before{ content: "(" } .cl-tag::after{ content: ")" }
.cl-list h3{ font: 400 26px/1 var(--fr-disp); text-transform: uppercase; margin-bottom: 6px }
.cl-list p{ color: var(--fr-ink-2); font-size: 14.5px; max-width: 64ch }
.cl-list p code{ color: var(--fr-ink) }
.log .lnk{ margin-top: 26px }

/* ---------- faq ---------- */
.faq-list{ max-width: 920px }
.faq-list details{ border-top: 1px dashed var(--fr-line) }
.faq-list details:last-child{ border-bottom: 1px dashed var(--fr-line) }
.faq-list summary{ list-style: none; display: flex; gap: 14px; padding: 18px 0; font-size: 17px; font-weight: 500 }
.faq-list summary::-webkit-details-marker{ display: none }
.faq-list summary::before{ content: "[+]"; color: var(--fr-hot); flex: none }
.faq-list details[open] summary::before{ content: "[-]" }
.faq-list summary:hover{ background: var(--fr-ink); color: var(--fr-bg); text-shadow: none }
.faq-list summary:hover::before{ color: var(--fr-bg) }
.faq-list details p{ padding: 0 0 22px 4.2ch; color: var(--fr-ink-2); max-width: 70ch }

/* ---------- exit ---------- */
.exit-h{ font: 400 clamp(64px, 9.6vw, 176px)/.8 var(--fr-disp); text-transform: uppercase; text-shadow: var(--fr-bloom-big); max-width: 14ch }
.exit-h span{ display: block; color: var(--fr-ink-2); font-size: .5em; line-height: 1; margin-top: .3em; text-shadow: none }
.exit-row{ display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin-top: 40px }
.prompt-line.big{ min-height: 52px; font-size: 17px }
.closed{ margin-top: 48px; font-style: italic; color: var(--fr-ink-2) }

/* ---------- footer: end of listing ---------- */
.foot{ border-top: 3px double var(--fr-line-2); padding-top: 44px; overflow: hidden; background: transparent }
:root[data-theme="dark"] .foot{ background: var(--fr-bg) }
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .foot{ background: var(--fr-bg) } }
.eol{ text-align: center; letter-spacing: .3em; color: var(--fr-ink-2); font-size: 13px; margin-bottom: 40px }
.foot-nav{ display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 24px }
.foot-nav h3{ font: 500 12.5px/1 var(--fr-mono); color: var(--fr-ink-2); margin-bottom: 12px }
.foot-nav li + li{ margin-top: 6px }
.foot-nav a{ text-decoration: none; padding: 1px 4px; margin-left: -4px }
.foot-nav a:hover{ background: var(--fr-ink); color: var(--fr-bg); text-shadow: none }
.foot-base{ display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; margin-top: 48px; padding-top: 16px; border-top: 1px dashed var(--fr-line); font-size: 12.5px; color: var(--fr-ink-2) }
.credit a{ color: var(--fr-ink) }
.foot-word{ font: 400 clamp(130px, 33vw, 560px)/.72 var(--fr-disp); text-align: center; color: var(--fr-line); text-shadow: none; margin: 30px 0 -.17em; user-select: none; white-space: nowrap }
.foot-word::before{ content: attr(data-word) }

/* ---------- status line (vim / tmux) ---------- */
.status-line{
  position: fixed; inset: auto 0 0; z-index: 100; height: var(--fr-sl-h); display: flex; align-items: center; gap: 18px; padding-inline: calc(var(--fr-gut) + 8px);
  background: var(--fr-ink); color: var(--fr-bg); text-shadow: none; font: 500 12px/1 var(--fr-mono); letter-spacing: .04em; white-space: nowrap; overflow: hidden
}
.sl-path{ margin-right: auto }
.sl-ln, .sl-clock{ font-variant-numeric: tabular-nums }
.sl-on{ display: inline-flex; align-items: center; gap: 6px }
.sl-on i{ width: 7px; height: 7px; background: var(--fr-bg) }

/* toast for example links */
.toast{ position: fixed; left: 50%; bottom: calc(var(--fr-sl-h) + 14px); z-index: 120; transform: translateX(-50%); padding: 8px 12px; background: var(--fr-bg); color: var(--fr-ink); border: 1px solid var(--fr-ink); font-size: 13px; visibility: hidden }
.toast[data-on]{ visibility: visible }

/* ---------- tablet and phone ---------- */
@media (max-width: 1100px){
  .menu-nav{ display: none }
  .menu-end{ margin-left: auto }
  .stage-copy{ width: min(520px, 48vw) }
}
@media (max-width: 860px){
  .sdk-grid, .feat-grid, .status-grid{ grid-template-columns: minmax(0,1fr); gap: 32px }
  .calc{ grid-template-columns: minmax(0,1fr) }
  .calc-in{ border-right: 0; border-bottom: 1px solid var(--fr-line-2) }
  .js .feat-stage{ display: none }
  .js .feat-shot-inline{ display: block; margin-top: 16px }
  .feat-step{ min-height: 0; padding-block: 26px; max-width: none; color: var(--fr-ink) }
  html:not(.js) .feat-stage{ position: relative; top: auto; height: auto; display: grid; gap: 20px }
  html:not(.js) .feat-stage .shot{ position: relative; visibility: visible }
  .code-card pre{ min-height: 0; font-size: 12.5px; padding-inline: 14px }
  .file{ padding-inline: 14px }
  .cl-list li{ grid-template-columns: 8ch minmax(0,1fr) auto; }
  .cl-list li > div{ grid-column: 1 / -1 }
  .foot-nav{ grid-template-columns: repeat(2, minmax(0,1fr)) }
}
@media (min-width: 861px){ html:not(.js) .feat-stage{ position: relative; top: auto; height: auto; display: grid; gap: 24px } html:not(.js) .feat-stage .shot{ position: relative; visibility: visible } }

@media (max-width: 760px){
  :root{ --fr-menu-h: 44px }
  body{ font-size: 15px }
  .menu{ gap: 10px; padding-inline: 30px 26px }
  .brand span{ font-size: 13px }
  .theme-seg .iz-seg-opt{ padding: 0 7px }
  .menu .key-sm{ display: none }
  .hero{ padding-top: calc(var(--fr-menu-h) + 26px); min-height: 100svh }
  .graticule, .bezel{ inset-inline: 22px }
  .hero-in{ padding-inline: 36px 30px }
  .boot{ font-size: 10.5px; margin-bottom: 14px }
  .hero-h{ font-size: clamp(58px, 19vw, 92px); line-height: .82 }
  .lede{ font-size: 14.5px; margin-top: 18px }
  .install{ margin-top: 18px }
  .prompt-line{ font-size: 13px; gap: 8px; padding-left: 10px; width: 100% }
  .prompt-line .ps1{ display: none }
  .keys{ margin-top: 20px; gap: 12px }
  .key{ min-height: 42px; padding: 0 12px; font-size: 12.5px }
  .bz.tr, .bz.br{ display: none }
  .bz{ font-size: 10px; padding: 4px 8px }
  .hero-still{ display: none !important }
  .journey{ height: 440vh }
  .stage-copy{ left: 30px; right: 26px; width: auto; top: calc(var(--fr-menu-h) + 18px); gap: 10px }
  .journey .cmd-line{ font-size: 12.5px; margin-bottom: 4px }
  .stage-copy .sec-h{ font-size: 40px }
  .frame-t{ min-height: 28px; font-size: 10.5px }
  .term-body{ padding: 8px 10px 10px; font-size: 10.5px; line-height: 1.62 }
  .t-log{ grid-template-columns: 2ch 10ch minmax(0,1fr) auto }
  .t-log .t-det{ visibility: hidden }
  .only-m{ display: block } .only-d{ display: none }
  .layers{ gap: 4px }
  .layers li{ padding: 6px 5px 5px }
  .layers li::before{ width: 5px; height: 5px; right: 4px; top: 6px }
  .l-n{ font-size: 9.5px }
  .l-t b{ font-size: 15px }
  .layer-desc{ height: 38px; font-size: 12.5px; line-height: 1.4; margin-top: 8px }
  .live .rail{ min-height: 170px }
  .scope-svg{ height: 120px }
  .wf-legend{ font-size: 10.5px; padding: 6px 10px 8px }
  html:not(.js) .stage, .rm .stage{ padding-top: 90px }
  html:not(.js) .term-body, .rm .term-body{ font-size: 10.5px }
  .sec{ padding-block: 76px }
  .cmd-line{ font-size: 13px }
  .sec-h{ font-size: clamp(46px, 14vw, 64px) }
  .sec-h.big{ font-size: clamp(50px, 15vw, 70px); margin-bottom: 30px }
  .tr-row{ grid-template-columns: 13ch minmax(0,1fr) 3ch; gap: 8px; font-size: 11.5px }
  .calc-in, .calc-out{ padding: 18px 16px }
  .ascii-t{ font-size: 12.5px }
  .ascii-t th, .ascii-t td{ padding: 8px 9px }
  .exit-h{ font-size: clamp(54px, 16vw, 80px) }
  .prompt-line.big{ font-size: 15px }
  .sl-ln{ display: none }
  .status-line{ gap: 12px; font-size: 11px; padding-inline: 26px }
}
@media (max-width: 380px){
  .term-body{ font-size: 9.6px }
  .t-indent{ padding-left: 2ch }
  .brand b{ display: none }
}

@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{ animation: none !important; transition: none !important; scroll-behavior: auto !important }
}

/* ======================================================================
   Docs: a man-page manual read in a pager
   ====================================================================== */
.page-docs .menu{ position: fixed }
.doc-search{ display: inline-flex; align-items: center; gap: 8px; height: 28px; padding: 0 8px; border: 1px solid var(--fr-line-2); background: transparent; font: 500 12px/1 var(--fr-mono); color: var(--fr-ink-2); text-shadow: none; margin-left: auto }
.doc-search:hover{ background: var(--fr-ink); color: var(--fr-bg) }
.doc-search kbd{ padding: 1px 5px; border: 1px solid currentColor; font-size: 11px }
.doc-menu{ display: none; height: 28px; padding: 0 8px; border: 1px solid var(--fr-line-2); background: transparent; font: 500 12px/1 var(--fr-mono); color: var(--fr-ink) }
.docs{ display: grid; grid-template-columns: 250px minmax(0, 1fr) 210px; max-width: 1440px; margin: 0 auto; padding: calc(var(--fr-menu-h) + 3px) 0 0 }
.doc-side{ position: sticky; top: calc(var(--fr-menu-h) + 3px); height: calc(100vh - var(--fr-menu-h) - var(--fr-sl-h) - 3px); overflow-y: auto; padding: 26px 16px 30px calc(var(--fr-gut) + 18px); border-right: 1px dashed var(--fr-line); overscroll-behavior: contain; background: var(--fr-bg) }
:root[data-theme="light"] .doc-side{ background: transparent }
.doc-side .apropos{ font-size: 12px; color: var(--fr-grn); margin-bottom: 14px }
.doc-side h2{ font: 500 11px/1 var(--fr-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--fr-ink-2); margin: 20px 0 6px }
.doc-side a{ display: block; padding: 4px 6px; margin-left: -6px; text-decoration: none; font-size: 13.5px }
.doc-side a span{ color: var(--fr-ink-2) }
.doc-side a:hover{ background: var(--fr-ink); color: var(--fr-bg); text-shadow: none }
.doc-side a:hover span{ color: var(--fr-bg) }
.doc-side a[aria-current="page"]{ background: var(--fr-ink); color: var(--fr-bg); text-shadow: none }
.doc-side a[aria-current="page"] span{ color: var(--fr-bg) }
.doc-side a[aria-current="page"]::before{ content: "▸" ; margin-right: 4px }
.doc-main{ min-width: 0; padding: 26px clamp(20px, 4vw, 56px) 96px }
.doc-page{ max-width: 820px }
.js .doc-page:not([data-on]){ display: none }
html:not(.js) .doc-page + .doc-page{ margin-top: 80px; padding-top: 40px; border-top: 3px double var(--fr-line-2) }
.man-h{ display: flex; justify-content: space-between; gap: 12px; font-size: 13px; padding-bottom: 8px; border-bottom: 1px solid var(--fr-line-2); margin-bottom: 28px; text-transform: uppercase; letter-spacing: .04em }
.man-h span:nth-child(2){ color: var(--fr-ink-2) }
.doc-page h1{ font: 400 clamp(56px, 6.4vw, 96px)/.82 var(--fr-disp); text-transform: uppercase; text-shadow: var(--fr-bloom-big); margin-bottom: 26px }
.doc-page h2{ font: 600 14px/1.3 var(--fr-mono); letter-spacing: .14em; text-transform: uppercase; margin: 34px 0 10px; scroll-margin-top: calc(var(--fr-menu-h) + 24px); position: relative }
.doc-page h3{ font: 500 14px/1.3 var(--fr-mono); margin: 22px 0 8px 7ch; scroll-margin-top: calc(var(--fr-menu-h) + 24px); position: relative }
.doc-page h3::before{ content: "-- " }
.anchor{ position: absolute; left: -2ch; top: 0; text-decoration: none; color: var(--fr-ink-2); visibility: hidden }
h2:hover > .anchor, h3:hover > .anchor, .anchor:focus-visible{ visibility: visible }
.doc-page p, .doc-page li, .doc-page .ind{ margin-left: 7ch; font-size: 15px; line-height: 1.75; max-width: 72ch }
.doc-page p + p{ margin-top: 12px }
.doc-page .syn{ margin-left: 7ch; font-weight: 600 }
.doc-page .syn em{ font-weight: 400; font-style: italic; text-decoration: underline; text-underline-offset: 3px }
.doc-page ul.bul li{ margin-left: 7ch; position: relative; padding-left: 2ch }
.doc-page ul.bul li::before{ content: "·"; position: absolute; left: 0 }
.doc-page ol.steps{ counter-reset: s; margin-left: 7ch }
.doc-page ol.steps > li{ counter-increment: s; margin-left: 0; padding-left: 4ch; position: relative }
.doc-page ol.steps > li::before{ content: counter(s) "."; position: absolute; left: 0; color: var(--fr-hot) }
.doc-page :not(pre) > code{ font-weight: 600 }
.doc-page a:not(.anchor):not(.pn){ text-decoration: underline dotted 1px; text-underline-offset: 3px }
.doc-page a:not(.anchor):not(.pn):hover{ background: var(--fr-ink); color: var(--fr-bg); text-shadow: none; text-decoration: none }
.doc-code{ margin: 16px 0 16px 7ch; border: 1px solid var(--fr-line-2); max-width: 72ch }
.doc-code-head{ display: flex; align-items: center; justify-content: space-between; min-height: 30px; padding: 2px 4px 2px 10px; border-bottom: 1px solid var(--fr-line-2); font-size: 11.5px; letter-spacing: .06em; text-transform: uppercase; color: var(--fr-ink-2) }
.doc-code pre{ margin: 0; padding: 12px 14px; overflow-x: auto; font: 400 13.5px/1.7 var(--fr-mono); tab-size: 4 }
.callout{ margin: 18px 0 18px 7ch; padding: 10px 14px; border-left: 4px solid var(--fr-ink); max-width: 72ch }
.callout[data-tone="warn"]{ border-left-color: var(--fr-hot) }
.callout[data-tone="tip"]{ border-left-color: var(--fr-grn) }
.callout p{ margin-left: 0 !important; font-size: 14.5px !important }
.callout b{ letter-spacing: .1em; text-transform: uppercase }
.doc-table{ margin: 14px 0 14px 7ch; width: calc(100% - 7ch); max-width: 72ch }
.table-scroll{ overflow-x: auto }
.pager{ display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; margin: 56px 0 0 7ch; max-width: 72ch }
.pn{ display: grid; gap: 2px; padding: 12px 14px; border: 1px solid var(--fr-line-2); text-decoration: none }
.pn small{ font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--fr-ink-2) }
.pn b{ font: 400 24px/1 var(--fr-disp); text-transform: uppercase }
.pn:hover{ background: var(--fr-ink); color: var(--fr-bg); text-shadow: none }
.pn:hover small{ color: var(--fr-bg) }
.pn.next{ text-align: right; grid-column: 2 }
.pn[hidden]{ display: none }
.man-f{ display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-top: 46px; padding-top: 8px; border-top: 1px solid var(--fr-line-2); font-size: 12.5px; color: var(--fr-ink-2) }
.doc-toc{ position: sticky; top: calc(var(--fr-menu-h) + 3px); height: calc(100vh - var(--fr-menu-h) - var(--fr-sl-h) - 3px); overflow-y: auto; padding: 30px 20px 30px 10px }
.doc-toc h2{ font: 500 11px/1 var(--fr-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--fr-ink-2); margin-bottom: 10px }
.doc-toc a{ display: block; padding: 3px 6px; margin-left: -6px; font-size: 12.5px; text-decoration: none; color: var(--fr-ink-2); text-transform: uppercase; letter-spacing: .06em }
.doc-toc a.sub{ padding-left: 2ch; text-transform: none; letter-spacing: 0 }
.doc-toc a:hover{ color: var(--fr-ink) }
.doc-toc a[aria-current="true"]{ background: var(--fr-ink); color: var(--fr-bg); text-shadow: none }
.doc-toc .back-top{ margin-top: 16px }
.page-docs .status-line .sl-path{ margin-right: auto }
@media (max-width: 1180px){ .docs{ grid-template-columns: 230px minmax(0,1fr) } .doc-toc{ display: none } }
@media (max-width: 860px){
  .docs{ grid-template-columns: minmax(0,1fr) }
  .doc-search .lbl, .doc-search .keys-k{ display: none }
  .doc-menu{ display: inline-flex; align-items: center }
  .doc-side{ position: fixed; z-index: 95; top: calc(var(--fr-menu-h) + 3px); left: 0; bottom: var(--fr-sl-h); height: auto; width: min(320px, 86vw); border-right: 1px solid var(--fr-line-2); visibility: hidden; transform: translateX(-102%); background: var(--fr-bg) }
  .side-open .doc-side{ visibility: visible; transform: none }
  .side-scrim{ position: fixed; inset: calc(var(--fr-menu-h) + 3px) 0 var(--fr-sl-h); z-index: 94; background: color-mix(in oklch, var(--fr-bg) 70%, transparent); visibility: hidden }
  .side-open .side-scrim{ visibility: visible }
  html:not(.js) .doc-side{ position: static; visibility: visible; transform: none; width: auto; height: auto; border-right: 0; border-bottom: 1px dashed var(--fr-line) }
  .doc-main{ padding: 22px 30px 80px }
  .anchor{ display: none }
  .doc-page p, .doc-page li, .doc-page .ind, .doc-page .syn, .doc-code, .callout, .doc-table, .pager, .doc-page ol.steps{ margin-left: 0 }
  .doc-page ul.bul li{ margin-left: 0 }
  .doc-page h3{ margin-left: 0 }
  .doc-table{ width: 100% }
  .pager{ grid-template-columns: minmax(0,1fr) }
  .pn.next{ grid-column: 1 }
  .doc-page pre{ font-size: 12.5px }
  .man-h{ font-size: 11px }
}


/* =====================================================================
   v3 on photoreal plates (Oct 2026): hero plate, capture plate, the bench scope
   ===================================================================== */
.chan-still{ display: none !important }
/* hero plate: the bench (CRT) or the printer (PAPER) */
.hero-plate{ position: absolute; z-index: 1; right: max(calc(var(--fr-gut) + 40px), calc((100vw - 1440px) / 2 + 80px)); top: calc(var(--fr-menu-h) + 150px); width: min(46vw, 700px); margin: 0; display: grid; gap: 8px }
.hero-plate picture, .hero-plate img{ display: block; width: 100%; height: auto }
.hero-plate picture{ box-shadow: inset 0 0 0 1px var(--fr-line-2), 0 0 0 6px var(--fr-bg), 0 0 0 7px var(--fr-line-2) }
.hero-plate figcaption{ display: flex; justify-content: space-between; gap: 12px; font: 500 11.5px/1.3 var(--fr-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--fr-ink-2) }
.hero-plate figcaption span:first-child{ color: var(--fr-ink); text-shadow: var(--fr-bloom) }
.hp-paper, .hp-c-paper{ display: none !important }
:root[data-theme="light"] .hp-crt, :root[data-theme="light"] .hp-c-crt{ display: none !important }
:root[data-theme="light"] .hp-paper{ display: block !important }
:root[data-theme="light"] .hp-c-paper{ display: inline !important }
@media (prefers-color-scheme: light){
  :root:not([data-theme="dark"]) .hp-crt, :root:not([data-theme="dark"]) .hp-c-crt{ display: none !important }
  :root:not([data-theme="dark"]) .hp-paper{ display: block !important }
  :root:not([data-theme="dark"]) .hp-c-paper{ display: inline !important }
}
.hero .hero-in{ max-width: 1440px }
.hero .lede{ max-width: 44ch }
@media (min-width: 900px){ .hero-h{ max-width: 46vw } }
@media (prefers-reduced-motion: no-preference){
  :root.js .hero-plate{ animation: plateOn .9s var(--fr-ease) .35s both }
}
@keyframes plateOn{ 0%{ opacity: 0; clip-path: inset(49.5% 0 49.5% 0) } 40%{ opacity: 1; clip-path: inset(49.5% 0 49.5% 0) } 100%{ opacity: 1; clip-path: inset(0 0 0 0) } }

/* capture plate in the journey: the beam sweeps with the packet */
.jplate{ position: absolute; z-index: 1; right: max(calc(var(--fr-gut) + 18px), calc((100vw - 1320px) / 2 + 64px)); top: calc(var(--fr-menu-h) + 74px); width: min(44vw, 640px); margin: 0; display: grid; gap: 8px }
.journey{ --sw: 0 }
html:not(.js) .journey, .rm .journey{ --sw: 1 }
.jp-frame{ padding: 14px; background: #24211c; border-radius: 18px; box-shadow: inset 0 0 0 2px #3a352d, 0 18px 40px -20px rgb(0 0 0 / .7) }
.jp-screen{ position: relative; aspect-ratio: 5 / 4; overflow: hidden; border-radius: 10px; background: #050806 }
.jp-screen img{ position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover }
.jp-crt{ clip-path: inset(0 calc((1 - var(--sw)) * 100%) 0 0) }
.jp-paper{ display: none; object-position: 50% 0; clip-path: inset(0 0 calc((1 - var(--sw)) * 100%) 0) }
.jp-beam{ position: absolute; top: 0; bottom: 0; left: calc(var(--sw) * 100%); width: 2px; margin-left: -1px; background: #d9ffe0; box-shadow: 0 0 10px #8cff9a, 0 0 28px #8cff9a; opacity: calc(min(1, var(--sw) * 30) * (1 - max(0, var(--sw) - .985) * 66)) }
.jp-read{ display: flex; justify-content: space-between; gap: 10px; margin-top: 10px; font: 500 11px/1 var(--fr-mono); letter-spacing: .1em; color: #cfc5ae }
.jp-read b{ color: #ffb000; font-weight: 600; font-variant-numeric: tabular-nums }
.jplate figcaption{ display: flex; justify-content: space-between; gap: 12px; font: 500 11.5px/1.3 var(--fr-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--fr-ink-2) }
.jplate figcaption span:first-child{ color: var(--fr-ink) }
:root[data-theme="light"] .jp-crt{ display: none } :root[data-theme="light"] .jp-paper{ display: block }
:root[data-theme="light"] .jp-beam{ top: calc(var(--sw) * 100%); bottom: auto; left: 0; right: 0; width: auto; height: 2px; margin: -1px 0 0; background: var(--fr-hot); box-shadow: none }
:root[data-theme="light"] .jp-frame{ background: #cfc5ae; box-shadow: inset 0 0 0 2px #b9ae95, 0 18px 40px -24px rgb(0 0 0 / .35) }
:root[data-theme="light"] .jp-screen{ background: #f4f1e4 }
:root[data-theme="light"] .jp-read{ color: #24211c } :root[data-theme="light"] .jp-read b{ color: #9a3d08 }
@media (prefers-color-scheme: light){
  :root:not([data-theme="dark"]) .jp-crt{ display: none } :root:not([data-theme="dark"]) .jp-paper{ display: block }
  :root:not([data-theme="dark"]) .jp-beam{ top: calc(var(--sw) * 100%); bottom: auto; left: 0; right: 0; width: auto; height: 2px; margin: -1px 0 0; background: var(--fr-hot); box-shadow: none }
  :root:not([data-theme="dark"]) .jp-frame{ background: #cfc5ae; box-shadow: inset 0 0 0 2px #b9ae95, 0 18px 40px -24px rgb(0 0 0 / .35) }
  :root:not([data-theme="dark"]) .jp-screen{ background: #f4f1e4 }
  :root:not([data-theme="dark"]) .jp-read{ color: #24211c } :root:not([data-theme="dark"]) .jp-read b{ color: #9a3d08 }
}
html:not(.js) .jplate, .rm .jplate{ position: relative; right: auto; top: auto; width: auto; max-width: 640px; margin: 28px auto 0; padding-inline: calc(var(--fr-gut) + 18px) }

/* ---------- the bench scope (toy) ---------- */
.sc-grid{ display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(28px, 4vw, 64px); align-items: start; margin-top: 18px }
.sc-copy{ display: grid; gap: 18px }
.sc-copy > p{ max-width: 46ch }
.sc-read{ display: grid; border-top: 1px dashed var(--fr-line-2) }
.sc-read > div{ display: grid; grid-template-columns: 17ch minmax(0, 1fr); gap: 12px; padding: 8px 0; border-bottom: 1px dashed var(--fr-line-2); font: 400 14px/1.4 var(--fr-mono) }
.sc-read dt{ color: var(--fr-ink-2); text-transform: uppercase; letter-spacing: .08em; font-size: 12px; padding-top: 2px }
.sc-read dd{ margin: 0; color: var(--fr-ink); text-shadow: var(--fr-bloom); font-variant-numeric: tabular-nums }
.sc-read [data-sc-dt]{ font: 400 34px/1 var(--fr-disp); color: var(--fr-hot) }
.sc-photo{ margin: 6px 0 0; display: grid; gap: 8px }
.sc-photo img{ display: block; width: 100%; height: auto; box-shadow: inset 0 0 0 1px var(--fr-line-2) }
.sc-photo figcaption{ display: flex; justify-content: space-between; gap: 12px; font: 500 11.5px/1.3 var(--fr-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--fr-ink-2) }
.instrument{ --put: #cfc5ae; --put-2: #b9ae95; --bz: #24211c; --lbl: #24211c; position: relative; background: linear-gradient(180deg, #d8cfb9, var(--put) 30%, #c4b99f); border-radius: 22px; padding: 16px 18px 14px;
  box-shadow: inset 0 1px 0 rgb(255 255 255 / .55), inset 0 -2px 0 rgb(0 0 0 / .12), 0 30px 60px -30px rgb(0 0 0 / .6), 0 0 0 1px rgb(0 0 0 / .12); color: var(--lbl) }
.in-top{ display: flex; align-items: baseline; gap: 12px; padding: 0 4px 10px; font: 500 11px/1 var(--fr-mono); letter-spacing: .12em; text-transform: uppercase }
.in-brand b{ font-weight: 600 }
.in-model{ color: #4a4438 }
.in-led{ margin-left: auto; width: 9px; height: 9px; border-radius: 50%; background: #5a4a2a; box-shadow: inset 0 1px 1px rgb(0 0 0 / .4) }
.in-led[data-on]{ background: #ffb000; box-shadow: 0 0 8px #ffb000 }
.in-screen{ position: relative; aspect-ratio: 16 / 10; border-radius: 12px; overflow: hidden; background: #050806; box-shadow: inset 0 0 0 10px var(--bz), inset 0 0 0 11px #000, inset 0 0 40px rgb(0 0 0 / .8); touch-action: pan-y }
#sc-c{ position: absolute; inset: 10px; width: calc(100% - 20px); height: calc(100% - 20px); border-radius: 6px }
.sc-cur{ position: absolute; top: 10px; bottom: 10px; width: 28px; margin-left: -14px; left: 30%; cursor: ew-resize; touch-action: none; outline: none; z-index: 2 }
.sc-cur i{ position: absolute; left: 13px; top: 0; bottom: 0; width: 2px; background: repeating-linear-gradient(180deg, #ffe2a6 0 6px, transparent 6px 10px); box-shadow: 0 0 6px rgb(255 176 0 / .6) }
.sc-cur b{ position: absolute; left: 50%; top: 6px; transform: translateX(-50%); font: 600 11px/1 var(--fr-mono); color: #0a0703; background: #ffb000; padding: 3px 5px }
.sc-cur:focus-visible b{ outline: 2px solid #ffe2a6; outline-offset: 2px }
.sc-cur:focus-visible i{ background: #ffe2a6 }
.sc-hud{ position: absolute; left: 22px; right: 22px; bottom: 16px; display: flex; justify-content: space-between; font: 500 11px/1 var(--fr-mono); letter-spacing: .1em; color: #8cff9a; text-shadow: 0 0 6px rgb(140 255 154 / .5); pointer-events: none; z-index: 2 }
.in-panel{ display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 18px; align-items: center; padding: 16px 4px 4px }
.knob-wrap{ display: grid; justify-items: center; gap: 6px; font: 500 10.5px/1 var(--fr-mono); letter-spacing: .1em }
.knob{ position: relative; width: 64px; height: 64px; border-radius: 50%; cursor: grab; touch-action: none; outline: none; --a: -130deg;
  background: radial-gradient(circle at 50% 38%, #4a443b, #1c1915 62%), repeating-conic-gradient(#2b2722 0 6deg, #15120f 6deg 12deg);
  box-shadow: 0 0 0 4px #2b2722, 0 0 0 5px rgb(0 0 0 / .4), 0 8px 12px -4px rgb(0 0 0 / .55), inset 0 2px 1px rgb(255 255 255 / .15) }
.knob i{ position: absolute; left: 50%; top: 50%; width: 3px; height: 26px; margin: -26px 0 0 -1.5px; border-radius: 2px; background: #ffb000; box-shadow: 0 0 6px rgb(255 176 0 / .6); transform-origin: 50% 100%; transform: rotate(var(--a)); transition: transform .25s cubic-bezier(.3, 1.4, .5, 1) }
.knob:active{ cursor: grabbing }
.knob:focus-visible{ box-shadow: 0 0 0 4px #2b2722, 0 0 0 7px #9a3d08, 0 8px 12px -4px rgb(0 0 0 / .55) }
.kn-l{ color: #4a4438 } .kn-v{ font-weight: 600; font-variant-numeric: tabular-nums }
.chans{ display: flex; flex-wrap: wrap; gap: 8px; justify-content: center }
.ch{ display: grid; justify-items: center; gap: 2px; min-width: 52px; padding: 7px 6px 6px; border: 0; border-radius: 6px; cursor: pointer; font: 600 11px/1 var(--fr-mono); letter-spacing: .06em; color: var(--lbl);
  background: linear-gradient(180deg, #e6dfcd, #cbc0a6); box-shadow: 0 3px 0 #9f947b, inset 0 1px 0 rgb(255 255 255 / .6); transition: transform .12s, box-shadow .12s }
.ch small{ font: 400 10px/1 var(--fr-mono); color: #4a4438; letter-spacing: .04em }
.ch i{ width: 18px; height: 4px; border-radius: 2px; background: #6b6250; margin-bottom: 3px }
.ch[aria-pressed="true"] i{ background: var(--c, #ffb000); box-shadow: 0 0 6px var(--c, #ffb000) }
.ch[data-ch="1"], .ch[data-ch="3"]{ --c: #ffb000 } .ch[data-ch="0"], .ch[data-ch="2"], .ch[data-ch="4"]{ --c: #8cff9a }
.ch[data-ch="0"][aria-pressed="true"] i, .ch[data-ch="2"][aria-pressed="true"] i, .ch[data-ch="4"][aria-pressed="true"] i{ background: #2f9a46; box-shadow: none }
.ch[data-ch="1"][aria-pressed="true"] i, .ch[data-ch="3"][aria-pressed="true"] i{ background: #b07400; box-shadow: none }
.ch:active{ transform: translateY(3px); box-shadow: 0 0 0 #9f947b, inset 0 1px 0 rgb(255 255 255 / .6) }
.ch:focus-visible{ outline: 2px solid #9a3d08; outline-offset: 2px }
.instrument .fire{ background: #9a3d08; color: #fff4e6; box-shadow: 0 4px 0 #5c2405 }
.instrument .fire:focus-visible{ outline: 2px solid #24211c; outline-offset: 3px }
.in-note{ margin: 12px 4px 0; font: 400 11.5px/1.45 var(--fr-mono); color: #3a352d }
@media (max-width: 1100px){ .sc-grid{ grid-template-columns: minmax(0, 1fr) } .sc-photo{ display: none } }
@media (max-width: 899px){
  .hero-plate{ position: relative; right: auto; top: auto; width: auto; margin: 26px calc(var(--fr-gut) + 14px) 0 }
  .jplate{ top: auto; bottom: calc(var(--fr-sl-h) + 18px); right: 30px; left: 30px; width: auto }
  .jp-screen{ aspect-ratio: 16 / 9 }
  .jplate figcaption, .jp-read{ display: none }
  html:not(.js) .jplate, .rm .jplate{ left: auto; right: auto; bottom: auto }
}
@media (max-width: 560px){
  .in-panel{ grid-template-columns: auto minmax(0, 1fr); }
  .instrument .fire{ grid-column: 1 / -1; justify-content: center }
  .knob{ width: 54px; height: 54px } .knob i{ height: 21px; margin-top: -21px }
  .sc-read > div{ grid-template-columns: 1fr; gap: 2px }
  .ch{ min-width: 46px }
}
/* the previous capture lingers on the phosphor before the beam redraws it */
.jp-screen::before{ content: ""; position: absolute; inset: 0; background: url("img/screen/scope-800.webp") center / cover no-repeat; opacity: .13; filter: saturate(.4) }
:root[data-theme="light"] .jp-screen::before{ background-image: url("img/screen/listing-700.webp"); background-position: 50% 0; opacity: .16 }
@media (prefers-color-scheme: light){ :root:not([data-theme="dark"]) .jp-screen::before{ background-image: url("img/screen/listing-700.webp"); background-position: 50% 0; opacity: .16 } }
@media (max-width: 899px){ .bezel .bl, .bezel .br{ display: none } }

/* v3: 320px safety */
@media (max-width: 400px){
  .code-top{ flex-wrap: wrap; gap: 4px }
  .code-top .iz-tabs-list{ min-width: 0; flex-wrap: wrap }
  .code-top .copy-btn{ margin-left: auto }
  .doc-page h1{ font-size: clamp(38px, 13vw, 56px); overflow-wrap: anywhere }
  .doc-main{ padding-left: 18px; padding-right: 18px }
}

/* v3: scope without JavaScript shows a still capture */
html:not(.js) .in-screen{ background: #050805 url("img/screen/scope-800.webp") center / cover no-repeat }
html:not(.js) .in-screen canvas, html:not(.js) .sc-cur, html:not(.js) .sc-hud, html:not(.js) .in-panel, html:not(.js) .in-note{ display: none }

/* ───────── boot plate: the power-on sequence (stills on phones, reduced motion, Save-Data, no JS) */
.boot{ position: relative; border-top: 1px dashed var(--fr-line); }
.boot-in{ min-height: 100vh; min-height: 100svh; display: grid; align-content: center; gap: 0; padding-block: calc(var(--fr-menu-h) + 28px) 40px }
.boot .cmd-line{ margin-bottom: 8px }
.boot-h{ font: 400 clamp(36px, 4.4vw, 68px)/.9 var(--fr-disp); text-transform: uppercase; color: var(--fr-ink); text-shadow: var(--fr-bloom-big); margin: 0 0 22px }
.boot-h span{ color: var(--fr-ink-2) }
.boot-plate{ margin: 0; width: min(100%, 1180px, calc((100svh - var(--fr-menu-h) - 250px) * 1.6)); display: grid; gap: 8px }
.boot-screen{ position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: #050806; box-shadow: inset 0 0 0 1px var(--fr-line-2), 0 0 0 6px var(--fr-bg), 0 0 0 7px var(--fr-line-2) }
.boot-still, .boot-c{ position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block }
.boot-c{ opacity: 0 }
.boot.seq-on .boot-c{ opacity: 1 }
.boot.seq-on .boot-still{ visibility: hidden }
.boot-plate figcaption{ display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font: 500 11.5px/1.3 var(--fr-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--fr-ink-2) }
.boot-plate figcaption span:first-child{ color: var(--fr-ink) }
.boot-f{ font-variant-numeric: tabular-nums; display: none }
.boot.seq-on .boot-f{ display: inline }
.boot-f b{ color: var(--fr-ink); font-weight: 600 }
@media (max-width: 899px){ .boot-in{ min-height: 0; padding-block: 64px 48px } }