:root {
  --black: #0F0D0B;
  --bone: #EFEBE4;
  --amber: #FFB23E;
  --red: #E5482B;
  --blue: #0A2BD9;
  --ink: #17140F;
  --paper: #FBFAF7;
  --anton: "Anton", "Arial Narrow", sans-serif;
  --serif: "Instrument Serif", Georgia, serif;
  --sans: "Geist", system-ui, sans-serif;
  --mono: "Geist Mono", ui-monospace, monospace;
  --pad: clamp(18px, 3.4vw, 56px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--black); font-family: var(--sans); font-size: 1.0625rem; line-height: 1.5; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
:focus-visible { outline: 3px solid currentColor; outline-offset: 3px; border-radius: 2px; }

.f-black { background: var(--black); color: #EDE7DA; --soft: #9C9486; --hot: var(--amber); }
.f-bone  { background: var(--bone);  color: var(--ink); --soft: #6B655B; --hot: var(--red); }
.f-amber { background: var(--amber); color: var(--ink); --soft: #5A4315; --hot: var(--ink); }
.f-red   { background: var(--red);   color: #FFF6EA; --soft: #FFD2C2; --hot: #FFF6EA; }
.f-blue  { background: var(--blue);  color: #fff; --soft: #C3CCFF; --hot: #fff; }

/* Persistent run bar */
.bar { position: fixed; z-index: 10; top: 0; left: 0; right: 0; display: flex; justify-content: space-between; gap: 1rem; padding: 14px var(--pad); font: 400 0.8125rem/1 var(--mono); color: #fff; mix-blend-mode: difference; pointer-events: none; }
.bar b { font-weight: 500; font-variant-numeric: tabular-nums; }

/* Intro: the run */
.intro { min-height: 100vh; padding: clamp(64px, 11vh, 120px) var(--pad) var(--pad); display: flex; flex-direction: column; }
.cmd { margin: 0; font: 400 clamp(0.8125rem, 1.05vw, 1rem)/1.4 var(--mono); color: var(--soft); }
.cmd b { color: var(--hot); font-weight: 500; }
.run { list-style: none; margin: 0; padding: 0; font: 400 clamp(0.8125rem, 1.12vw, 1.125rem)/1.5 var(--mono); color: var(--soft); }
.run li > a, .run li:not(:has(a)) { display: grid; grid-template-columns: 6.2em 3.4em minmax(0, auto) 1fr; column-gap: 1.2em; padding: 0.22em 0; text-decoration: none; }
.run li:first-child, .run li:last-child { grid-template-columns: 6.2em 1fr; }
.run .k { color: #EDE7DA; white-space: nowrap; }
.run .ok { color: var(--hot); }
.run a:hover .d, .run a:focus-visible .d { color: #EDE7DA; text-decoration: underline; text-underline-offset: 4px; }
.intro h1 { margin: auto 0 0; padding-top: 5vh; font: 600 clamp(2.6rem, 8.2vw, 9rem)/0.92 var(--sans); letter-spacing: -0.055em; max-width: 12em; text-wrap: balance; }
.intro h1 span { color: var(--hot); }
.more { margin: 1.5rem 0 0; font: 400 0.8125rem/1.4 var(--mono); color: var(--soft); }

.console { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.75rem 2rem; margin: 0 0 clamp(1rem, 3vh, 2.5rem); }
.console .cmd { margin: 0; }
.cmd-q::after { content: "▍"; margin-left: 0.15em; animation: blink 1s steps(2) infinite; }
.queries { display: flex; flex-wrap: wrap; gap: 6px; }
.queries button { font: 400 0.8125rem/1 var(--mono); color: var(--soft); background: transparent; border: 1px solid #3A352E; border-radius: 4px; padding: 0.55rem 0.7rem; cursor: pointer; }
.queries button::before { content: "▸ "; }
.queries button:hover { color: #EDE7DA; border-color: #EDE7DA; }
.queries button[aria-pressed="true"] { color: var(--black); background: var(--amber); border-color: var(--amber); }
.run li[hidden] { display: none; }
@keyframes blink { 50% { opacity: 0; } }

@media (prefers-reduced-motion: no-preference) {
  .intro.play .run li, .intro.play h1, .intro.play .more { opacity: 0; animation: line 0.01s linear forwards; animation-delay: calc(var(--i) * 0.17s + 0.15s); }
  .intro.play .run .ok { opacity: 0; animation: line 0.01s linear forwards; animation-delay: calc(var(--i) * 0.17s + 0.36s); }
  .intro.play h1 { animation: rise 0.7s cubic-bezier(.2, .7, .1, 1) forwards; animation-delay: calc(var(--n) * 0.17s + 0.45s); transform: translateY(0.25em); }
  .intro.play .more { animation-delay: calc(var(--n) * 0.17s + 1.2s); }

  /* Each poster arrives in one move: type wipes in, the print rises, the trace confirms. */
  .js .plate .mega { clip-path: inset(0 0 100% 0); transition: clip-path 0.95s cubic-bezier(.2, .7, .1, 1); }
  .js .plate.in .mega { clip-path: inset(0 0 -12% 0); }
  .js .plate .piece, .js .plate .hang a { opacity: 0; transform: translateY(46px); transition: opacity 0.7s ease 0.25s, transform 0.9s cubic-bezier(.2, .7, .1, 1) 0.25s; }
  .js .plate.in .piece, .js .plate.in .hang a { opacity: 1; transform: none; }
  .js .plate .hang a { transition-delay: calc(var(--k) * 70ms + 0.1s); }
  .js .plate .trace b { opacity: 0; transition: opacity 0.01s linear 0.9s; }
  .js .plate.in .trace b { opacity: 1; }
  .js .plate .tally > div { opacity: 0; transition: opacity 0.01s linear calc(var(--k) * 130ms + 0.2s); }
  .js .plate.in .tally > div { opacity: 1; }
}
@keyframes line { to { opacity: 1; } }
@keyframes rise { to { opacity: 1; transform: none; } }

/* Plates */
.plate { position: relative; min-height: 100vh; padding: clamp(56px, 9vh, 88px) var(--pad) var(--pad); overflow: hidden; display: flex; flex-direction: column; }
.trace { display: grid; grid-template-columns: auto auto 1fr auto; column-gap: 1.6em; margin: 0; font: 400 clamp(0.75rem, 0.95vw, 0.9375rem)/1.4 var(--mono); color: var(--soft); }
.trace span:first-child { color: inherit; filter: none; }
.trace b { font-weight: 500; color: var(--hot); }
.mega { font-family: var(--anton); font-size: 20vw; line-height: 0.86; letter-spacing: -0.012em; white-space: nowrap; margin: clamp(0.6rem, 2.2vh, 2rem) 0 0 -0.03em; width: max-content; transform: translateX(var(--drift, 0)); will-change: transform; }
.cols { position: relative; margin-top: auto; padding-top: clamp(1.5rem, 4vh, 3rem); display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: clamp(1.5rem, 5vw, 6rem); align-items: end; }
.text { max-width: 35rem; }
.text h2 { font: 400 clamp(1.9rem, 3.5vw, 3.6rem)/1.02 var(--serif); letter-spacing: -0.012em; margin: 0 0 1.1rem; text-wrap: balance; }
.text p { margin: 0 0 0.85rem; max-width: 33rem; }
.text p:last-child { margin-bottom: 0; }

/* The prints */
.piece { margin: 0; justify-self: end; width: min(100%, 36vh, 24rem); position: relative; z-index: 2; }
.piece img { display: block; width: 100%; height: auto; background: var(--paper); border: clamp(8px, 1vw, 14px) solid var(--paper); outline: 5px solid var(--ink); box-shadow: 0 34px 50px -22px rgba(0, 0, 0, 0.6); }
.piece figcaption { margin: 1.1rem 0 0 auto; width: min(100%, 19rem); background: #fff; color: var(--ink); padding: 0.7rem 0.85rem; font-size: 0.8125rem; line-height: 1.4; box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25); }
.piece figcaption b { display: block; font-weight: 600; }
.piece figcaption i { display: block; color: #6B655B; }

/* The 2020 email */
.letter { margin-top: 1.1rem; padding: 1rem 1.1rem; background: var(--paper); color: var(--ink); font: 400 0.8125rem/1.6 var(--mono); max-width: 26rem; box-shadow: 0 18px 30px -16px rgba(0, 0, 0, 0.5); }
.letter p { margin: 0; }
.redacted { display: grid; gap: 7px; margin: 0.8rem 0; }
.redacted i { height: 10px; background: var(--ink); }
.redacted i:nth-child(2) { width: 92%; } .redacted i:nth-child(3) { width: 97%; } .redacted i:nth-child(4) { width: 85%; } .redacted i:nth-child(5) { width: 41%; }
.letter .note { color: #6B655B; }

/* Simplified chain */
.chain { display: flex; flex-wrap: wrap; gap: 6px; margin: 1rem 0 0.8rem; }
.sg { font: 500 0.8125rem/1 var(--sans); color: inherit; background: transparent; border: 1.5px solid currentColor; border-radius: 999px; padding: 0.5rem 0.8rem; cursor: pointer; }
.sg:hover { background: rgba(23, 20, 15, 0.08); }
.sg[aria-pressed="true"] { background: var(--ink); color: var(--bone); border-color: var(--ink); }
.sg-detail { min-height: 4.6em; }

/* The blue wall */
.wall .mega { margin-top: auto; }
.wall .cols { margin-top: clamp(1rem, 4vh, 3rem); align-items: start; }
.cap { margin: 0; font: italic 400 clamp(1.9rem, 4vw, 4.4rem)/1 var(--serif); }
.wall .text h2 { font-size: clamp(1.5rem, 2.5vw, 2.5rem); line-height: 1.1; }

/* The series, hung together */
.series-head { margin: clamp(1.5rem, 6vh, 4rem) 0 clamp(2rem, 7vh, 5rem); max-width: 40rem; }
.series-head h2 { font: 400 clamp(2.4rem, 5.6vw, 5.6rem)/0.95 var(--serif); letter-spacing: -0.02em; margin: 0 0 1rem; }
.series-head p { margin: 0; color: var(--soft); max-width: 30rem; }
.hang { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: clamp(0.8rem, 1.8vw, 2rem); align-items: start; margin-top: auto; padding-bottom: 2vh; }
.hang a { display: block; text-decoration: none; }
.hang a:nth-child(even) { margin-top: clamp(1rem, 5vh, 3.5rem); }
.hang img { display: block; width: 100%; height: auto; border: clamp(4px, 0.5vw, 8px) solid var(--paper); outline: 3px solid var(--ink); box-shadow: 0 22px 30px -16px rgba(40, 28, 10, 0.55); transition: transform 0.3s cubic-bezier(.2, .7, .1, 1); }
.hang a:hover img, .hang a:focus-visible img { transform: translateY(-8px) scale(1.03); }
.hang span { display: block; margin-top: 0.8rem; font: 400 0.75rem/1.35 var(--mono); color: var(--soft); }

/* Run summary */
.tally { margin: auto 0; padding: clamp(2rem, 6vh, 4rem) 0; }
.tally > div { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 1.5rem; align-items: baseline; padding: clamp(0.6rem, 1.5vh, 1rem) 0; border-bottom: 1px solid #2E2A25; }
.tally dt { font: 400 clamp(0.75rem, 0.95vw, 0.9375rem)/1.4 var(--mono); color: var(--soft); }
.tally dd { margin: 0; font: 400 clamp(1.5rem, 3vw, 3rem)/1.05 var(--serif); letter-spacing: -0.01em; }
.tally .live { color: var(--amber); }
.tally .live::after { content: ""; display: inline-block; width: 0.32em; height: 0.32em; margin-left: 0.35em; border-radius: 50%; background: var(--amber); vertical-align: middle; animation: blink 1.2s steps(2) infinite; }

/* Output */
.out { gap: clamp(3.5rem, 9vw, 7rem); }
.out .trace { margin-bottom: -1rem; }
.grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 8fr); gap: 2rem clamp(2rem, 6vw, 6rem); align-items: start; }
.head h2 { font: 400 clamp(2.2rem, 4.4vw, 4rem)/0.98 var(--serif); letter-spacing: -0.015em; margin: 0 0 1rem; }
.head p { margin: 0 0 1rem; color: var(--soft); max-width: 24rem; }
.link { text-underline-offset: 4px; font-weight: 500; }
.out h3 { font: 500 1.0625rem/1.3 var(--sans); margin: 0 0 0.2rem; }
.emit, .thread, .bench { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--amber); }
.emit li { display: grid; grid-template-columns: 5.5rem 1fr auto; gap: 1rem; align-items: baseline; padding: 0.9rem 0; border-bottom: 1px solid #2E2A25; }
.emit time, .emit span, .thread time { font: 400 0.8125rem/1.3 var(--mono); color: var(--soft); }
.emit a { font: 400 clamp(1.25rem, 1.7vw, 1.6rem)/1.15 var(--serif); text-decoration: none; }
.emit a:hover { color: var(--amber); }
.thread li { display: grid; grid-template-columns: 8rem 1fr; gap: 1rem; padding: 0.95rem 0; border-bottom: 1px solid #2E2A25; }
.thread p, .bench p { margin: 0; color: var(--soft); font-size: 0.9375rem; }
.thread a { color: #EDE7DA; }
.bench { display: grid; grid-template-columns: 1fr 1fr; gap: 0 2rem; }
.bench li { padding: 1rem 0; border-bottom: 1px solid #2E2A25; }

/* Next */
.next .cols { grid-template-columns: 1fr; }
.actions { display: flex; flex-wrap: wrap; gap: 1rem 1.5rem; align-items: center; margin-top: 1.5rem; }
.btn { font: 500 1.0625rem/1 var(--sans); background: var(--ink); color: var(--bone); text-decoration: none; padding: 1.05rem 1.6rem; border-radius: 999px; }
.btn:hover { background: #34302A; }
.colophon { margin-top: 3rem !important; font: 400 0.8125rem/1.5 var(--mono); color: var(--soft); }

@media (max-width: 820px) {
  .run li > a, .run li:not(:has(a)) { grid-template-columns: 5.6em 3em 1fr; }
  .run .ok { display: none; }
  .run li:first-child { grid-template-columns: 5.6em 1fr; }
  .bar-step { display: none; }
  .trace { grid-template-columns: auto 1fr auto; row-gap: 0.2em; }
  .trace span:nth-child(3) { grid-column: 1 / -1; grid-row: 2; }
  .cols, .grid { grid-template-columns: 1fr; }
  .hang { grid-template-columns: repeat(7, 62vw); overflow-x: auto; scroll-snap-type: x mandatory; margin-right: calc(-1 * var(--pad)); padding: 0 var(--pad) 1.5rem 0; }
  .hang a { scroll-snap-align: start; }
  .hang a:nth-child(even) { margin-top: 0; }
  .tally > div { grid-template-columns: 1fr; gap: 0.2rem; }
  .piece { justify-self: start; width: min(100%, 24rem); order: -1; }
  .piece figcaption { margin-left: 0; }
  .emit li { grid-template-columns: 1fr auto; }
  .emit a { grid-column: 1 / -1; grid-row: 2; }
  .thread li { grid-template-columns: 1fr; gap: 0.2rem; }
  .bench { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .mega { transform: none; } .cmd-q::after, .tally .live::after { animation: none; } }

/* Opening: the résumé that rewrites itself */
html.lock, html.lock body { overflow: hidden; }
.takeover { position: fixed; inset: 0; z-index: 50; background: #525659; display: flex; flex-direction: column; align-items: center; overflow: hidden; transition: background 0.6s ease, opacity 0.5s ease; }
.pdf-bar { align-self: stretch; display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 9px 16px; background: #323639; color: #E8EAED; font: 400 13px/1 system-ui, sans-serif; transition: opacity 0.4s; }
.skip { font: inherit; color: #E8EAED; background: transparent; border: 1px solid #6B7074; border-radius: 4px; padding: 6px 10px; cursor: pointer; }
.skip:hover { background: #4A4E52; }
.paper { width: min(820px, 94vw); margin-top: 22px; background: #fff; color: #111; font: 400 clamp(8.5px, 1.35vw, 12px)/1.42 "Times New Roman", Times, serif; padding: clamp(22px, 6vw, 58px) clamp(20px, 7vw, 66px) 120px; box-shadow: 0 3px 18px rgba(0, 0, 0, 0.45); transition: background 0.6s ease, color 0.45s ease, box-shadow 0.4s; }
.paper h3 { font-size: 1.7em; text-align: center; margin: 0 0 0.3em; letter-spacing: 0.02em; }
.paper h4 { font-size: 1.05em; margin: 1.2em 0 0.4em; padding-bottom: 0.15em; border-bottom: 1px solid currentColor; letter-spacing: 0.03em; }
.paper p { margin: 0 0 0.4em; }
.paper .c { text-align: center; }
.paper .job { display: flex; justify-content: space-between; margin-top: 0.8em; }
.paper ul { margin: 0.2em 0 0; padding-left: 1.3em; }
.paper li { margin-bottom: 0.25em; }
.paper mark { color: inherit; background: linear-gradient(#FFD84D, #FFD84D) no-repeat 0 55% / 0% 92%; transition: background-size 0.3s ease calc(var(--m) * 170ms), color 0.5s ease; }
.takeover.scan .paper { color: #B9B9B9; }
.takeover.scan mark { background-size: 100% 92%; color: #111; }
.prompt { position: absolute; left: 50%; bottom: 26px; width: min(700px, 92vw); transform: translate(-50%, 160%); display: flex; gap: 0.8em; align-items: baseline; background: #1B1917; color: #EDE7DA; border: 1px solid #3A352E; border-radius: 14px; padding: 16px 18px; font: 400 clamp(13px, 1.5vw, 16px)/1.4 var(--mono); box-shadow: 0 18px 50px rgba(0, 0, 0, 0.55); transition: transform 0.5s cubic-bezier(.2, .7, .1, 1), opacity 0.4s; }
.takeover.ask .prompt { transform: translate(-50%, 0); }
.prompt .who { color: var(--amber); }
.prompt .caret { width: 0.55em; height: 1.05em; background: var(--amber); align-self: center; animation: blink 0.9s steps(2) infinite; margin-left: -0.5em; }
.takeover.sent .typed { color: var(--amber); }
.takeover.invert { background: var(--black); }
.takeover.invert .pdf-bar, .takeover.invert .prompt { opacity: 0; }
.takeover.invert .paper { background: var(--black); color: transparent; box-shadow: none; }
.takeover.invert .paper h4 { border-color: transparent; }
.takeover.invert mark { background-size: 0% 92%; color: var(--amber); transition-delay: 0s; }
.takeover.gone { opacity: 0; pointer-events: none; }

/* How this page was made */
.making-head { margin: clamp(1.5rem, 6vh, 4rem) 0 clamp(1.5rem, 5vh, 3.5rem); max-width: 44rem; }
.making-head h2 { font: 400 clamp(2.4rem, 5.6vw, 5.6rem)/0.95 var(--serif); letter-spacing: -0.02em; margin: 0 0 1rem; }
.making-head p { margin: 0; color: var(--soft); max-width: 34rem; }
.log { list-style: none; margin: 0; padding: 0; border-top: 1.5px solid var(--ink); }
.log li { display: grid; grid-template-columns: 3rem minmax(0, 4fr) minmax(0, 7fr); gap: 1.5rem; align-items: baseline; padding: clamp(0.7rem, 1.8vh, 1.15rem) 0; border-bottom: 1px solid #CFC8BA; }
.log .v { font: 500 0.8125rem/1.3 var(--mono); }
.log .made { color: var(--soft); font-size: 0.9375rem; }
.log q { quotes: "“" "”"; font: italic 400 clamp(1.4rem, 2.7vw, 2.6rem)/1.08 var(--serif); letter-spacing: -0.01em; }
.log .now q { quotes: none; color: var(--red); font-style: normal; }
.log .now q::after { content: "▍"; margin-left: 0.1em; animation: blink 1s steps(2) infinite; }
.making .colophon { margin-top: 2rem !important; }
@media (max-width: 820px) {
  .log li { grid-template-columns: 2.4rem 1fr; gap: 0.2rem 0.8rem; }
  .log q { grid-column: 2; }
  .pdf-bar span:nth-child(2) { display: none; }
}
@media (prefers-reduced-motion: no-preference) {
  .js .plate .log li { opacity: 0; transition: opacity 0.01s linear calc(var(--k) * 160ms + 0.2s); }
  .js .plate.in .log li { opacity: 1; }
}

/* The work: case study */
.more a { color: #EDE7DA; text-underline-offset: 4px; }
.work { gap: clamp(2rem, 5vh, 3.5rem); }
.work-head { margin-top: clamp(1rem, 4vh, 3rem); max-width: 52rem; }
.work-head h2 { font: 400 clamp(2.4rem, 5.4vw, 5.2rem)/0.96 var(--serif); letter-spacing: -0.02em; margin: 0 0 1.2rem; text-wrap: balance; }
.work-head p { margin: 0; max-width: 40rem; font-size: 1.125rem; }
.work h3 { font: 400 clamp(1.6rem, 2.4vw, 2.2rem)/1.05 var(--serif); letter-spacing: -0.01em; margin: 0 0 0.8rem; }
.work p { max-width: 38rem; }
.work .trace, .work .src { max-width: none; }

.diagram { border: 1.5px solid var(--ink); background: var(--paper); }
.diagram b { display: block; font: 600 0.9375rem/1.3 var(--sans); margin-bottom: 0.3rem; }
.diagram span { display: block; font-size: 0.875rem; line-height: 1.45; color: #4A453D; }
.d-band { display: grid; grid-template-columns: 13rem 1fr; gap: 1.5rem; padding: 1rem 1.25rem; border-bottom: 1.5px solid var(--ink); background: var(--amber); }
.d-band b { margin: 0; }
.d-band span { color: var(--ink); }
.d-row { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); align-items: stretch; }
.d-box { padding: 1.25rem; }
.d-main { background: var(--ink); }
.d-main b { color: var(--bone); font-size: 1.25rem; }
.d-main span { color: #CFC8BA; }
.d-links { display: grid; grid-template-rows: 1fr 1fr; padding: 0 0.25rem; }
.d-links i { display: flex; align-items: center; gap: 0.6rem; font: 400 0.75rem/1.2 var(--mono); font-style: normal; color: #4A453D; white-space: nowrap; }
.d-links i::before, .d-links i::after { content: ""; flex: 1; min-width: 1.5rem; border-top: 1.5px solid var(--ink); }
.d-links i::after { min-width: 1.5rem; height: 0; border-top: 1.5px solid var(--ink); background: none; }
.d-stack { display: grid; grid-template-rows: 1fr 1fr; border-left: 1.5px solid var(--ink); }
.d-stack .d-box + .d-box { border-top: 1.5px solid var(--ink); }
.d-foot { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1.5px solid var(--ink); }
.d-foot > div { padding: 1rem 1.25rem; }
.d-foot > div + div { border-left: 1.5px solid var(--ink); }

.counted { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1.5rem; margin: 0; }
.counted dd { margin: 0; font: 400 clamp(3rem, 7.4vw, 7rem)/0.86 var(--anton); }
.counted dt { margin-top: 0.6rem; font-size: 0.9375rem; line-height: 1.35; color: var(--soft); max-width: 13rem; }
.src { margin: -1rem 0 0; font: 400 0.75rem/1.4 var(--mono); color: var(--soft); }

.work-cols { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 2rem clamp(2rem, 6vw, 6rem); padding-top: clamp(1.5rem, 4vh, 2.5rem); border-top: 1.5px solid var(--ink); }
.work-cols ul { margin: 0 0 1rem; padding-left: 1.1rem; }
.work-cols li { margin-bottom: 0.5rem; }
.lessons { list-style: none; counter-reset: l; margin: 0; padding: 0; }
.lessons li { counter-increment: l; position: relative; padding: 0.8rem 0 0.8rem 2rem; border-top: 1px solid #CFC8BA; margin: 0; }
.lessons li::before { content: counter(l); position: absolute; left: 0; font: 500 0.8125rem/1.9 var(--mono); color: var(--red); }
.lessons li { font-size: 0.9375rem; }
.lessons li b { display: block; font-size: 1.0625rem; margin-bottom: 0.15rem; }

.probe { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); gap: 2rem clamp(2rem, 6vw, 6rem); background: var(--blue); color: #fff; padding: clamp(1.5rem, 3.5vw, 3rem); }
.probe .kicker { margin: 0 0 0.8rem; font: 400 0.8125rem/1 var(--mono); color: #C3CCFF; }
.probe h3 { font-size: clamp(1.8rem, 3vw, 2.8rem); }
.probe ul { list-style: none; margin: 0; padding: 0; align-self: center; }
.probe li { padding: 0.7rem 0; border-top: 1px solid rgba(255, 255, 255, 0.3); font-size: 0.9375rem; }
.probe li b { font: 400 1.5rem/1 var(--anton); margin-right: 0.15em; }
.bench a { color: #EDE7DA; }

@media (max-width: 820px) {
  .d-band, .d-row, .work-cols, .probe { grid-template-columns: 1fr; }
  .d-links { grid-template-rows: none; grid-template-columns: 1fr 1fr; padding: 0.4rem 0.75rem; border-top: 1.5px solid var(--ink); border-bottom: 1.5px solid var(--ink); }
  .d-links i::before, .d-links i::after { display: none; }
  .d-stack { border-left: 0; }
  .d-foot, .counted { grid-template-columns: 1fr 1fr; }
  .d-foot > div:nth-child(3) { border-left: 0; }
  .d-foot > div:nth-child(n+3) { border-top: 1.5px solid var(--ink); }
}

/* v9: one idea per screen */
.run li:nth-child(2) { grid-template-columns: 6.2em 1fr; }
.run li:nth-child(2) .ok { margin-left: 1.2em; }
.intro h1 { padding-top: 3vh; }
.more { max-width: 34rem; font-size: 0.875rem; line-height: 1.5; }
.text > p { font-size: 1.125rem; line-height: 1.45; max-width: 31rem; }
.cols.one { grid-template-columns: 1fr; gap: clamp(1.25rem, 3vh, 2rem); align-items: start; }
.text.wide, .sys .text { max-width: 46rem; }
.sys .diagram { color: var(--ink); border-color: #4A453D; }
.sys .mega { color: var(--amber); }
.side { align-self: end; justify-self: end; max-width: 24rem; padding: 1.4rem 1.5rem; border: 1.5px solid currentColor; }
.side .kicker { margin: 0 0 0.7rem; font: 400 0.8125rem/1 var(--mono); color: var(--soft); }
.side h3 { font: 400 2.2rem/1 var(--serif); margin: 0 0 0.6rem; }
.side p { margin: 0 0 0.9rem; font-size: 0.9375rem; }
.learn .cols { margin-top: clamp(1.5rem, 8vh, 5rem); }
.learn .text h2 { font-size: clamp(2.4rem, 5.6vw, 5.4rem); line-height: 0.96; }
.learn .lessons { border-top: 1.5px solid var(--ink); max-width: 60rem; }
.learn details { border-bottom: 1px solid #CFC8BA; }
.learn summary { list-style: none; cursor: pointer; display: grid; grid-template-columns: 1fr auto; gap: 1rem; align-items: baseline; padding: clamp(0.8rem, 2vh, 1.15rem) 0; font: 400 clamp(1.4rem, 2.6vw, 2.3rem)/1.1 var(--serif); letter-spacing: -0.01em; }
.learn summary::-webkit-details-marker { display: none; }
.learn summary::after { content: "+"; font: 400 1.25rem/1 var(--mono); color: var(--red); }
.learn details[open] summary::after { content: "–"; }
.learn details p { margin: 0 0 1.1rem; max-width: 38rem; color: #4A453D; }
.turn { justify-content: center; }
.turn .trace { position: absolute; top: clamp(56px, 9vh, 88px); left: var(--pad); right: var(--pad); }
.turn h2 { margin: 0; font: 600 clamp(2.6rem, 8.2vw, 9rem)/0.92 var(--sans); letter-spacing: -0.055em; max-width: 12em; text-wrap: balance; }
.turn h2 span { color: var(--amber); }
.next .cols { grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); }
.next .btn { background: #fff; color: var(--blue); }
.next .btn:hover { background: #E3E7FF; }
.reading { list-style: none; margin: 0; padding: 0; }
.reading li { padding: 0.55rem 0; border-top: 1px solid rgba(255, 255, 255, 0.35); font-size: 0.9375rem; }
.reading a { text-decoration: none; }
.reading a:hover { text-decoration: underline; text-underline-offset: 4px; }
.next .colophon { margin-top: clamp(2rem, 6vh, 4rem) !important; max-width: 44rem; }
@media (max-width: 820px) {
  .next .cols { grid-template-columns: 1fr; }
  .side { justify-self: start; }
}

/* The daily stack */
.tools { margin: 0; border-top: 1.5px solid #fff; max-width: 68rem; }
.tools > div { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 9fr); gap: 1.5rem; align-items: baseline; padding: clamp(0.55rem, 1.5vh, 0.95rem) 0; border-bottom: 1px solid rgba(255, 255, 255, 0.35); }
.tools dt { font: 400 clamp(0.75rem, 0.95vw, 0.9375rem)/1.4 var(--mono); color: var(--soft); }
.tools dd { margin: 0; font: 400 clamp(1.5rem, 3vw, 2.8rem)/1.05 var(--serif); letter-spacing: -0.01em; }
.stack .mega { margin-bottom: 0; }
@media (max-width: 820px) { .tools > div { grid-template-columns: 1fr; gap: 0.15rem; } }
@media (prefers-reduced-motion: no-preference) {
  .js .plate .tools > div { opacity: 0; transition: opacity 0.01s linear calc(var(--k) * 110ms + 0.5s); }
  .js .plate.in .tools > div { opacity: 1; }
}

/* Motion pass: one easing curve, soft entrances, eased scrolling */
:root { --ease: cubic-bezier(.22, 1, .36, 1); }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-stopped { overflow: hidden; }
.takeover { transition: background 0.8s var(--ease), opacity 0.8s ease; }
.paper { transition: background 0.8s var(--ease), color 0.6s ease, box-shadow 0.5s; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@media (prefers-reduced-motion: no-preference) {
  .intro.play .run li, .intro.play .more { animation: fadeUp 0.6s var(--ease) both; animation-delay: calc(var(--i) * 0.22s + 0.15s); }
  .intro.play .run .ok { animation: fadeIn 0.4s ease both; animation-delay: calc(var(--i) * 0.22s + 0.5s); }
  .intro.play h1 { animation: rise 1.3s var(--ease) both; animation-delay: calc(var(--n) * 0.22s + 0.35s); }
  .intro.play .more { animation-delay: calc(var(--n) * 0.22s + 1.1s); }
  @keyframes rise { from { opacity: 0; transform: translateY(0.35em); } to { opacity: 1; transform: none; } }

  .js .plate .mega { clip-path: inset(0 0 100% 0); translate: 0 10%; transition: clip-path 1.3s var(--ease), translate 1.3s var(--ease); }
  .js .plate.in .mega { clip-path: inset(0 0 -12% 0); translate: 0 0; }

  .js .plate .text > *, .js .plate .side, .js .plate .diagram, .js .plate .lessons, .js .plate.turn h2, .js .plate .tools, .js .plate .colophon {
    opacity: 0; translate: 0 22px;
    transition: opacity 1s var(--ease) var(--d, 0.25s), translate 1.2s var(--ease) var(--d, 0.25s);
  }
  .js .plate.in .text > *, .js .plate.in .side, .js .plate.in .diagram, .js .plate.in .lessons, .js .plate.in.turn h2, .js .plate.in .tools, .js .plate.in .colophon { opacity: 1; translate: 0 0; }
  .js .plate .text > :nth-child(2) { --d: 0.35s; }
  .js .plate .text > :nth-child(3) { --d: 0.45s; }
  .js .plate .side, .js .plate .diagram, .js .plate .lessons, .js .plate .tools { --d: 0.5s; }
  .js .plate .colophon { --d: 0.7s; }
  .js .plate.turn h2 { --d: 0.1s; }

  .js .plate .piece { opacity: 0; transform: none; translate: 0 48px; scale: 0.97; transition: opacity 1s var(--ease) 0.2s, translate 1.4s var(--ease) 0.2s, scale 1.4s var(--ease) 0.2s; }
  .js .plate.in .piece { opacity: 1; translate: 0 0; scale: 1; }
  .js .plate .trace b { opacity: 0; transition: opacity 0.5s ease 0.9s; }
  .js .plate.in .trace b { opacity: 1; }
  .js .plate .tools > div { opacity: 0; translate: 0 10px; transition: opacity 0.7s var(--ease) calc(var(--k) * 70ms + 0.6s), translate 0.9s var(--ease) calc(var(--k) * 70ms + 0.6s); }
  .js .plate.in .tools > div { opacity: 1; translate: 0 0; }
}
.btn, .link, .sg, .learn summary { transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease; }
.learn details p { animation: fadeUp 0.5s var(--ease) both; }