@font-face { font-family: "Source Serif"; src: url("fonts/SourceSerif4-Regular.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Source Serif"; src: url("fonts/SourceSerif4-Italic.woff2") format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Instrument Sans"; src: url("fonts/InstrumentSans.woff2") format("woff2"); font-weight: 400 700; font-style: normal; font-display: swap; }
@font-face { font-family: "Instrument Sans"; src: url("fonts/InstrumentSans-Italic.woff2") format("woff2"); font-weight: 400 700; font-style: italic; font-display: swap; }
@font-face { font-family: "Ioskeley Mono"; src: url("fonts/IoskeleyMono-Regular.woff2") format("woff2"); font-weight: 400; font-display: swap; }

:root {
  --ink: #141413; --body: #55544f; --dim: #8e8d87; --faint: #bcbbb5;
  --cobalt: #2f45d8; --red: #e0452a;
  --serif: "Source Serif", "Iowan Old Style", Georgia, serif;
  --text: "Instrument Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "Ioskeley Mono", ui-monospace, Menlo, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: #fff; color: var(--ink); font-family: var(--text); font-size: 16px; line-height: 1.55; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--ink); color: #fff; }

.top { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 36px; padding: 18px 40px; background: rgba(255, 255, 255, .86); backdrop-filter: blur(10px); }
.top .logo img { height: 22px; width: auto; display: block; }
.top nav { display: flex; gap: 26px; margin-left: auto; font-size: 14px; color: var(--dim); }
.top nav a:hover { color: var(--ink); }
.pill { display: inline-block; border-radius: 999px; font-size: 14px; padding: 8px 16px; }
.go { background: var(--cobalt); color: #fff; }
.go:hover { background: #2337bd; }

h1, h2 { font-family: var(--serif); font-weight: 400; color: var(--ink); text-align: center; margin: 0 auto; }
h1 { font-size: clamp(44px, 6.4vw, 84px); line-height: 1.04; letter-spacing: -.02em; max-width: 10.5em; }
h2 { font-size: clamp(32px, 3.8vw, 50px); line-height: 1.1; letter-spacing: -.012em; max-width: 15em; text-wrap: balance; }
h1 em, h2 em { font-style: italic; }
.sub { text-align: center; color: var(--body); font-size: 18px; line-height: 1.55; max-width: 600px; margin: 22px auto 0; }
.acts { display: flex; gap: 22px; justify-content: center; align-items: center; margin-top: 30px; }
.more { font-size: 14px; color: var(--body); }
.more::after { content: " →"; }

.scene { width: 100%; margin-top: 26px; }
.scene svg { display: block; width: 100%; height: auto; overflow: visible; }
.scene text { font-family: var(--mono); }
.hero-scene { margin-top: 10px; }

.faint { font-family: var(--mono); font-size: 14px; fill: #b3b2ac; white-space: pre; }
.step { font-family: var(--mono); font-size: 14px; white-space: pre; }
.under { font-family: var(--text) !important; font-size: 11.5px; fill: rgba(255, 255, 255, .5); }
.tag { font-family: var(--text) !important; font-size: 12px; }
.lab { font-family: var(--text) !important; font-size: 13px; fill: var(--dim); }
.say { font-family: var(--serif) !important; font-style: italic; font-size: 20px; fill: #a9a8a2; }

.controls { display: flex; flex-direction: column; align-items: center; gap: 10px; margin-top: 6px; }
.seg { display: inline-flex; gap: 2px; padding: 3px; border-radius: 999px; background: #f3f3f1; font-size: 13px; }
.seg button { border: 0; background: none; font: inherit; color: var(--dim); padding: 6px 14px; border-radius: 999px; cursor: pointer; transition: background .2s, color .2s; }
.seg button:hover { color: var(--ink); }
.seg button.on { background: #fff; color: var(--ink); box-shadow: 0 1px 2px rgba(0, 0, 0, .08); }
.key { font-size: 13px; color: var(--dim); text-align: center; max-width: 640px; margin: 6px 0 0; }
.key i { font-style: normal; display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin: 0 5px 0 12px; vertical-align: -1px; }

.part { padding: 150px 24px 0; }

/* The hero: headline left, the case for it at right, the record below. */
.hero { padding: 64px 40px 0; }
.hero-head { max-width: 1320px; margin: 0 auto; display: grid; grid-template-columns: 1.45fr 1fr; gap: 56px; align-items: end; }
.hero h1 { text-align: left; margin: 0; max-width: 9.6em; font-size: clamp(48px, 6.6vw, 98px); line-height: .98; letter-spacing: -.028em; }
.eyebrow { font-size: 13px; letter-spacing: .02em; color: var(--cobalt); margin: 0 0 18px; }
.lede { font-size: 18px; line-height: 1.55; color: var(--body); margin: 0 0 4px; max-width: 30em; }
.lede b { display: block; font-weight: 500; color: var(--ink); margin-bottom: 8px; }
.acts.left { justify-content: flex-start; margin-top: 24px; }
.hero-scene { margin-top: 18px; }
.hash { font-family: var(--mono) !important; font-size: 13px; fill: #8e8d87; }
.rtext { font-family: var(--mono) !important; font-size: 13px; white-space: pre; }
.rnum { font-family: var(--mono) !important; font-size: 12px; fill: #6f6e68; }
.rkind { font-family: var(--mono) !important; font-size: 9.5px; letter-spacing: .12em; fill: rgba(255, 255, 255, .62); }
.card { transition: transform .7s cubic-bezier(.2, .8, .2, 1), opacity .7s; }

/* Shapes: one bar per shape, read down. */
.shapes { max-width: 1040px; margin: 56px auto 0; display: flex; flex-direction: column; gap: 18px; }
.srow { display: grid; grid-template-columns: 330px 1fr 120px; gap: 26px; align-items: center; }
.sname b { display: block; font-family: var(--serif); font-weight: 400; font-size: 22px; line-height: 1.15; }
.sname code { font-family: var(--mono); font-size: 12px; color: #a9a8a2; white-space: nowrap; }
.strack { height: 30px; }
.sbar { height: 100%; width: 0; border-radius: 3px; transition: width 1.1s cubic-bezier(.2, .8, .2, 1); }
.spct b { display: block; font-family: var(--serif); font-weight: 400; font-size: 30px; line-height: 1; }
.spct span { font-size: 12px; color: var(--dim); }
.part .fine code { font-family: var(--mono); font-size: 12px; }

/* Four words: the word, what it stands for, and a fragment of a line turning into the effect Olki writes. */
.words { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; max-width: 1240px; margin: 64px auto 0; }
.word { display: flex; flex-direction: column; opacity: .0; transform: translateY(14px); transition: opacity .7s, transform .7s cubic-bezier(.2, .8, .2, 1); }
.word.in { opacity: 1; transform: none; }
.whead { display: flex; align-items: baseline; gap: 12px; border-bottom: 1px solid #e4e2dc; padding-bottom: 12px; }
.whead b { font-family: var(--serif); font-weight: 400; font-size: 64px; line-height: .9; letter-spacing: -.02em; }
.whead i { font-family: var(--serif); font-size: 21px; color: var(--dim); }
.wmeans { font-size: 14.5px; color: var(--body); margin: 12px 0 18px; min-height: 2.6em; }
.wflow { display: flex; flex-direction: column; align-items: flex-start; }
.wsaid { font-family: var(--mono); font-size: 13px; color: #a9a8a2; }
.warrow { width: 1px; height: 30px; background: #cfcec8; margin: 6px 0 6px 10px; position: relative; }
.warrow::after { content: ""; position: absolute; left: -4px; bottom: -1px; border: 4.5px solid transparent; border-top-color: #cfcec8; border-bottom: 0; }
.weff { font-family: var(--mono); font-size: 15px; color: var(--cobalt); }
.word small { font-size: 12px; color: var(--faint); margin-top: 10px; }
.marks { display: flex; justify-content: center; gap: 44px; flex-wrap: wrap; margin-top: 52px; font-size: 14px; color: var(--body); }
.mark b { font-family: var(--mono); font-size: 22px; color: var(--ink); margin-right: 10px; vertical-align: -2px; }
.mark code { font-family: var(--mono); font-size: 13px; color: var(--cobalt); }

/* How a line adds up: a ledger read down, with what each step hands the next between the rows. */
.pickers { display: flex; flex-direction: column; align-items: center; gap: 10px; margin-top: 46px; }
.rline { max-width: 1040px; margin: 26px auto 0; font-family: var(--mono); font-size: 14px; line-height: 1.8; white-space: pre-wrap; word-break: break-word; text-align: center; }
.rline .sep { color: var(--faint); }
.ledger { max-width: 1240px; margin: 40px auto 0; font-size: 14px; }
.lrow, .lhand { display: grid; grid-template-columns: 44px 190px 120px minmax(0, 1fr) 300px 210px; gap: 0 18px; align-items: start; transition: opacity .35s; }
.lrow { padding: 10px 0; }
.lhead { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--dim); border-bottom: 1px solid #e4e2dc; padding: 0 0 10px; }
.lno { font-family: var(--mono); color: var(--dim); position: relative; padding-left: 14px; }
.lno::before { content: ""; position: absolute; left: 0; top: 2px; width: 3px; height: 18px; border-radius: 2px; background: var(--c); }
.lkind em { font-style: normal; font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; border: 1px solid #cfcec8; border-radius: 999px; padding: 1px 8px; margin-right: 8px; }
.lkind small { display: block; font-size: 12px; color: var(--dim); margin-top: 6px; }
.lprog, .largs { font-family: var(--mono); font-size: 14px; word-break: break-word; }
.largs { color: var(--body); }
.leff { display: flex; flex-direction: column; gap: 6px; }
.leff .e code { font-family: var(--mono); font-size: 13px; color: var(--cobalt); }
.leff .e small, .leff > small { display: block; font-size: 11.5px; color: var(--dim); }
.leff .e.no code { color: var(--red); }
.lby { display: flex; flex-direction: column; gap: 6px; }
.lby code { font-family: var(--mono); font-size: 12.5px; color: var(--dim); line-height: 1.55; padding-bottom: 17px; }
.lby code.no { color: var(--red); }
.lhand { font-size: 12px; color: var(--dim); }
.lhand span:first-child { justify-self: start; margin-left: 15px; width: 1px; height: 26px; background: #d6d4cc; }
.lhand span:last-child { grid-column: 2 / span 3; align-self: center; }
.lhand.red { color: var(--red); }
.lhand.red span:first-child { background: var(--red); }
.lrow.tainted .largs { color: var(--red); }
.lnote { max-width: 760px; margin: 18px 0 0 62px; font-size: 13.5px; }
.lnote.red { color: var(--red); }
.lneed { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 28px; padding-top: 18px; border-top: 1px solid #e4e2dc; }
.lneed span { font-size: 13px; color: var(--dim); margin-right: 8px; }
.lneed code { font-family: var(--mono); font-size: 12.5px; background: var(--ink); color: #fff; border-radius: 999px; padding: 4px 12px; }
.lneed code.no { background: var(--red); }
.r-verdict { display: flex; justify-content: center; align-items: baseline; gap: 14px; margin-top: 34px; flex-wrap: wrap; text-align: center; }
.r-verdict b { font-family: var(--serif); font-weight: 400; font-size: 30px; }
.r-verdict.no b { color: var(--red); }
.r-verdict span { font-size: 15px; color: var(--body); max-width: 620px; }

/* Watch, then stop: two modes on one time axis. */
.beats { max-width: 1180px; margin: 56px auto 0; }
.brow { display: grid; grid-template-columns: 170px 1fr 1fr; gap: 0 40px; padding: 18px 0; border-top: 1px solid #efeeea; opacity: 0; transform: translateY(8px); transition: opacity .6s, transform .6s; }
.brow.in, .brow.bhead { opacity: 1; transform: none; }
.bhead { border-top: 0; font-family: var(--serif); font-size: 24px; padding-bottom: 6px; }
.bhead span:last-child { color: var(--red); }
.blab { font-size: 13px; color: var(--dim); padding-top: 3px; }
.bcell { display: flex; flex-direction: column; gap: 8px; font-size: 15px; color: var(--body); }
.bcell code { font-family: var(--mono); font-size: 13.5px; color: var(--ink); }
.bcell .red, .bcell code.red { color: var(--red); }
.bcell .big { font-family: var(--serif); font-size: 22px; color: var(--ink); }
.bcell .big.red { color: var(--red); }
.bmsg { margin: 4px 0 0; background: var(--ink); color: #f1f0ec; border-radius: 14px; padding: 14px 18px; font-family: var(--mono); font-size: 12.5px; line-height: 1.6; white-space: pre-wrap; }
.brow.differs .bcell:last-child { color: var(--ink); }

/* Sessions, zoomed: session, turn, step. */
.zlev { font-family: var(--serif) !important; font-style: italic; font-size: 30px; fill: var(--ink); }
.zsum { font-family: var(--text) !important; font-size: 13.5px; fill: var(--body); }
.zside { font-family: var(--text) !important; font-size: 15px; fill: var(--ink); }
.zside.dim { fill: var(--dim); }

/* Outcomes: a kicker, the answer in a sentence, then one figure. */
.outcome { max-width: 1240px; margin: 110px auto 0; display: grid; grid-template-columns: 1fr 1.15fr; gap: 64px; align-items: center; }
.outcome.wide { grid-template-columns: 1fr; gap: 10px; }
.outcome.wide .o-text { max-width: 760px; }
.o-kicker { font-family: var(--mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--cobalt); margin: 0 0 12px; }
.outcome h3 { font-family: var(--serif); font-weight: 400; font-size: clamp(28px, 2.8vw, 40px); line-height: 1.12; letter-spacing: -.01em; margin: 0 0 16px; }
.outcome h3 em { font-style: italic; }
.outcome p { font-size: 16px; color: var(--body); margin: 0; }
.oname { font-family: var(--text) !important; font-size: 15px; font-weight: 600; fill: var(--ink); }
.onum { font-family: var(--mono) !important; font-size: 20px; fill: var(--ink); }
.ax { font-family: var(--mono) !important; font-size: 12px; }
.gl { font-family: var(--text) !important; font-size: 12px; fill: var(--dim); }
#loop .gl { font-size: 15px; } #loop .oname { font-size: 19px; } #loop .onum { font-size: 24px; } #loop .tag { font-size: 15px; }
.outcome:not(.wide) .gl { font-size: 17px; } .outcome:not(.wide) .onum { font-size: 26px; }
#zoom .gl { font-size: 13px; } #claim .gl { font-size: 13.5px; }

.figs { display: flex; justify-content: center; gap: 56px; flex-wrap: wrap; margin-top: 64px; }
.figs div { font-size: 13px; color: var(--dim); text-align: center; max-width: 150px; }
.figs b { display: block; font-family: var(--serif); font-weight: 400; font-size: 40px; color: var(--ink); letter-spacing: -.01em; line-height: 1.1; margin-bottom: 4px; }
.fine { text-align: center; font-size: 12.5px; color: var(--faint); margin: 22px auto 0; }

.band { max-width: 900px; margin: 34px auto 0; background: var(--ink); color: #fff; border-radius: 999px; padding: 14px 26px; font-family: var(--mono); font-size: 13.5px; overflow-x: auto; white-space: nowrap; }
.band.thin { margin-top: 10px; }
.band .p { color: #77766f; margin-right: 6px; }
.band .c { color: #8f8e88; margin-left: 18px; font-family: var(--text); font-size: 13px; }

footer { display: flex; justify-content: space-between; padding: 150px 40px 50px; font-size: 13px; color: var(--dim); }

/* The home page. */
/* A line two ways: the string a log of tool calls keeps, and the steps Olki reads out of it. */
.versus { max-width: 1240px; margin: 64px auto 0; display: grid; grid-template-columns: .8fr 1.2fr; gap: 56px; align-items: start; }
.vs-lab { font-family: var(--mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--dim); margin: 0 0 14px; }
.vs-olki .vs-lab { color: var(--cobalt); }
.vs-call { font-family: var(--mono); font-size: 13.5px; line-height: 1.7; color: #a3a29c; word-break: break-all; padding-top: 2px; }
.vs-tool { color: var(--ink); margin-right: 10px; }
.vs-call code { font-family: inherit; }
.vs-note { margin: 14px 0 0; font-family: var(--serif); font-style: italic; font-size: 18px; color: var(--dim); }
.vs-card { background: var(--ink); border-radius: 16px; padding: 6px 24px 18px; font-family: var(--mono); font-size: 13px; color: #fff; }
.vs-head { display: flex; align-items: center; gap: 14px; padding: 14px 0 12px; }
.vs-hash { color: #8e8d87; }
.vs-shape { font-family: var(--text); font-size: 12px; background: #3a3a37; border: 1px solid rgba(255, 255, 255, .22); border-radius: 999px; padding: 2px 12px; }
.vs-n { margin-left: auto; font-family: var(--text); font-size: 11.5px; color: rgba(255, 255, 255, .5); }
.vs-row { display: grid; grid-template-columns: 20px 74px 92px 1fr 1.1fr; gap: 12px; align-items: center; padding: 6px 0; border-left: 3px solid var(--c); padding-left: 12px; margin: 4px 0; }
.vs-i { color: rgba(255, 255, 255, .45); }
.vs-kind { font-size: 9.5px; letter-spacing: .12em; text-transform: uppercase; color: rgba(255, 255, 255, .62); border: 1px solid rgba(255, 255, 255, .28); border-radius: 999px; padding: 1px 8px; justify-self: start; }
.vs-prog { color: var(--c); }
.vs-args { color: rgba(255, 255, 255, .52); white-space: pre; overflow: hidden; text-overflow: ellipsis; }
.vs-touch { color: #aab7ff; white-space: pre; overflow: hidden; text-overflow: ellipsis; }
.vs-row.steered .vs-args { color: #ff8266; }
.vs-foot { display: flex; align-items: center; gap: 14px; margin-top: 14px; }
.vs-would { font-family: var(--text); font-size: 12px; color: var(--red); border: 1.3px solid var(--red); border-radius: 999px; padding: 3px 12px; }
.vs-why { font-family: var(--text); font-size: 12px; color: #ff8266; }

.facts3 { max-width: 1240px; margin: 80px auto 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 56px; }
.facts3 b { display: block; font-family: var(--serif); font-weight: 400; font-size: 52px; letter-spacing: -.015em; line-height: 1; color: var(--ink); margin-bottom: 12px; }
.facts3 span { display: block; font-size: 16px; color: var(--body); }
.facts3 i { display: block; font-style: normal; font-size: 12.5px; color: var(--faint); margin-top: 8px; }

/* A picture from Olki's own pages: a hairline caption, then the page itself on the same white, at its own size. */
.shot { margin: 56px auto 0; width: min(100%, var(--w, 1240px)); }
.outcome .shot { margin-top: 34px; }
.shot figcaption { display: flex; justify-content: space-between; gap: 24px; font-family: var(--mono); font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--dim); padding-bottom: 10px; border-bottom: 1px solid #e8e7e2; }
.shot figcaption span:first-child { color: var(--cobalt); }
.shot img { display: block; width: 100%; height: auto; margin-top: 22px; }
.shot.fade img { -webkit-mask-image: linear-gradient(to bottom, #000 80%, transparent); mask-image: linear-gradient(to bottom, #000 80%, transparent); }
.home .outcome { display: block; margin-top: 130px; }
.outcome .o-kicker { color: var(--cobalt); font-size: 12px; }
.then { margin-top: 14px !important; font-family: var(--serif); font-style: italic; font-size: 19px !important; color: var(--ink) !important; }

/* The loop: four stations on one line, and the way back from act to observe. */
.ooda { max-width: 1240px; margin: 56px auto 0; }
.ooda-track { position: relative; height: 54px; margin-left: 10px; width: calc(75% + 30px); border-bottom: 3px solid var(--cobalt); }
.ooda-track svg { position: absolute; inset: 0 0 -1px; width: 100%; height: 100%; overflow: visible; }
.ooda-track path { fill: none; stroke: var(--cobalt); stroke-width: 1.5; stroke-dasharray: 5 6; opacity: .5; }
.ooda-track span { position: absolute; left: 50%; top: -9px; transform: translateX(-50%); background: #fff; padding: 0 12px; font-family: var(--mono); font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--dim); }
.ooda-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; }
.ooda-steps > div { position: relative; padding-top: 34px; }
.ooda-steps > div::before { content: ""; position: absolute; left: 0; top: -11.5px; width: 14px; height: 14px; border-radius: 50%; background: #fff; border: 3px solid var(--cobalt); }
.ooda-steps > div:last-child::before { background: var(--cobalt); }
.ooda-steps h3, .three h3 { font-family: var(--serif); font-weight: 400; font-size: 26px; line-height: 1.15; margin: 0 0 10px; }
.ooda-steps p:not(.o-kicker), .three p { font-size: 15.5px; color: var(--body); margin: 0; }

/* The loop under the hero headline: four words, one line each. */
.hero-loop { max-width: 1320px; margin: 72px auto 0; }
.hero-loop .ooda-steps h3 { font-size: clamp(30px, 2.6vw, 38px); letter-spacing: -.01em; margin-bottom: 8px; }
.hero-loop .ooda-steps p { font-size: 16px; }
.hero-loop + .hero-scene { margin-top: 40px; }

/* Who it's for: one row each, the reader, their question, the answer. */
.who { max-width: 1240px; margin: 56px auto 0; }
.who-row { display: grid; grid-template-columns: .9fr 1.3fr 1fr; gap: 40px; padding: 26px 0; border-top: 1px solid #e8e7e2; align-items: baseline; }
.who-row:last-child { border-bottom: 1px solid #e8e7e2; }
.who-r { margin: 0; font-size: 15px; color: var(--dim); }
.who-q { margin: 0; font-family: var(--serif); font-style: italic; font-size: 25px; line-height: 1.25; color: var(--ink); }
.who-a { margin: 0; font-size: 15.5px; color: var(--body); }

.three { max-width: 1240px; margin: 56px auto 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 56px; }

@media screen and (max-width: 760px) {
  .top { padding: 14px 18px; gap: 14px; }
  .top nav { display: none; }
  .top .pill { margin-left: auto; }
    .part { padding-top: 100px; }
  .scene svg { width: 180%; margin-left: -40%; }
  .hero { padding: 48px 20px 0; }
  .hero-head, .outcome { grid-template-columns: 1fr; gap: 24px; }
  .words { grid-template-columns: 1fr 1fr; }
  .srow { grid-template-columns: 1fr 80px; }
  .srow .strack { grid-column: 1 / -1; grid-row: 2; }
  .ledger { overflow-x: auto; }
  .lrow, .lhand { min-width: 980px; }
  .brow { grid-template-columns: 1fr; gap: 8px; }
  .figs { gap: 28px; }
  .versus, .facts3, .ooda-steps, .three, .who-row { grid-template-columns: 1fr; gap: 24px; }
  .who-row { gap: 8px; }
  .ooda-track { display: none; }
  .ooda-steps > div::before { display: none; }
  .ooda-steps > div { padding-top: 0; }
  .vs-card { overflow-x: auto; }
  .vs-row { min-width: 620px; }
}