/* Open Agentic Brain and Memory. Deep black, one cold "signal" accent for anything that fires. No libraries: brain.js
   draws the neural background on a canvas, app.js drives scroll progress into CSS custom properties. */
/* Layout: full-bleed pinned scenes over a fixed canvas; content in a 1200px column. */
:root {
  color-scheme: dark;
  --bg: #000000; --panel: #070708; --panel-2: #0c0c0e;
  --line: rgba(255,255,255,.08); --line-2: rgba(255,255,255,.16);
  --fg: #f5f5f6; --fg-2: #b4b6bd; --muted: #7c7f88; --dim: #4a4d55;
  --signal: #8fd3ff; --signal-soft: rgba(143,211,255,.14);
  --ok: #4ade80; --warn: #fbbf24; --bad: #f87171;
  --sans: "Geist", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  --col: max(20px, calc(50% - 600px));
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; background: var(--bg); overflow-x: clip; }
body {
  margin: 0; background: var(--bg); color: var(--fg); overflow-x: clip;
  font: 400 17px/1.6 var(--sans); -webkit-font-smoothing: antialiased; letter-spacing: -.005em;
}
a { color: var(--fg); }
::selection { background: var(--signal); color: #000; }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; border-radius: 6px; }
svg { width: 1em; height: 1em; flex: none; }
code { font-family: var(--mono); font-size: .84em; background: rgba(255,255,255,.06); color: var(--fg);
  padding: .12em .42em; border-radius: 5px; box-shadow: 0 0 0 1px var(--line) inset; }
h1, h2, h3 { letter-spacing: -.035em; line-height: 1.04; font-weight: 600; text-wrap: balance; }
h2 { font-size: clamp(34px, 5vw, 64px); margin: 0 0 18px; }
.eyebrow { font: 500 12px var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin: 0 0 20px;
  display: flex; align-items: center; gap: 10px; }
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 10px var(--signal); }
.sub { color: var(--fg-2); font-size: 19px; max-width: 620px; margin: 0 0 32px; }

/* ───── background ───── */
#brain { position: fixed; inset: 0; z-index: 0; display: block; }
.vignette { position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background: radial-gradient(130% 100% at 50% 45%, transparent 50%, #000 100%); }
.grain { position: fixed; inset: -50%; z-index: 1; pointer-events: none; opacity: .05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }
@keyframes grain { 0% { transform: translate(0,0) } 20% { transform: translate(-3%,2%) } 40% { transform: translate(2%,-3%) }
  60% { transform: translate(-2%,-1%) } 80% { transform: translate(3%,3%) } 100% { transform: translate(0,0) } }
main, .foot { position: relative; z-index: 2; }

/* ───── progress + nav ───── */
.progress { position: fixed; inset: 0 0 auto; height: 1px; z-index: 30; }
.progress span { display: block; height: 100%; background: var(--fg); transform-origin: left; transform: scaleX(0); }
.nav { position: fixed; inset: 0 0 auto; z-index: 20; display: flex; align-items: center; gap: 12px;
  padding: calc(14px + env(safe-area-inset-top, 0px)) var(--col) 14px; transition: background .3s, border-color .3s; border-bottom: 1px solid transparent; }
.nav.solid { background: rgba(0,0,0,.9); border-color: var(--line); }
.brand { display: flex; align-items: center; gap: 10px; color: var(--fg); text-decoration: none; font-weight: 600; letter-spacing: -.02em; }
.mark { width: 26px; height: 26px; color: var(--fg); }
.nav nav { margin-left: auto; display: flex; gap: 26px; font-size: 14px; align-items: center; }
.nav nav a { color: var(--muted); text-decoration: none; transition: color .2s; } .nav nav a:hover { color: var(--fg); }
.soon-pill { display: inline-flex; align-items: center; gap: 8px; font: 500 12px var(--mono); letter-spacing: .04em; color: var(--fg);
  padding: 7px 12px; border-radius: 99px; box-shadow: 0 0 0 1px var(--line-2) inset; white-space: nowrap; }
.soon-pill i { width: 6px; height: 6px; border-radius: 50%; background: var(--warn); box-shadow: 0 0 8px var(--warn); animation: blink 1.6s ease-in-out infinite; }
.soon-pill.big { font-size: 13px; padding: 9px 16px; margin-bottom: 26px; }
@keyframes blink { 50% { opacity: .3; } }

/* ───── buttons ───── */
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 34px; }
.btn { position: relative; display: inline-flex; align-items: center; gap: 10px; padding: 13px 22px; border-radius: 10px; font-weight: 500;
  text-decoration: none; font-size: 15px; transition: background .2s, box-shadow .2s, color .2s; will-change: transform; }
.btn svg { transition: transform .25s; }
.btn:hover svg { transform: translateX(3px); }
.btn.primary { color: #000; background: var(--fg); }
.btn.primary:hover { background: #fff; box-shadow: 0 0 0 4px rgba(255,255,255,.1), 0 0 40px rgba(143,211,255,.25); }
.btn.ghost { color: var(--fg); background: rgba(255,255,255,.02); box-shadow: 0 0 0 1px var(--line-2) inset; }
.btn.ghost:hover { background: rgba(255,255,255,.06); }

/* cursor spotlight on surfaces (app.js sets --mx/--my) */
.spot { position: relative; isolation: isolate; }
.spot::after { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; z-index: -1; opacity: 0; transition: opacity .3s;
  background: radial-gradient(320px circle at var(--mx, 50%) var(--my, 50%), rgba(255,255,255,.07), transparent 60%); }
.spot:hover::after { opacity: 1; }
.spot::before { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; padding: 1px; opacity: 0; transition: opacity .3s;
  background: radial-gradient(220px circle at var(--mx, 50%) var(--my, 50%), rgba(143,211,255,.55), transparent 70%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; }
.spot:hover::before { opacity: 1; }

/* ───── 1 · hero ───── */
.hero { height: 180vh; position: relative; }
.hero-sticky { position: sticky; top: 0; height: 100vh; display: flex; align-items: center; padding: 0 var(--col); }
.hero-copy { max-width: 620px; transform: translateY(calc(var(--p, 0) * -80px)); opacity: calc(1 - var(--p, 0) * 1.8); }
.pill { display: inline-flex; align-items: center; gap: 10px; font: 500 12px var(--mono); letter-spacing: .04em; color: var(--fg-2);
  padding: 7px 13px; border-radius: 99px; box-shadow: 0 0 0 1px var(--line-2) inset; background: rgba(0,0,0,.5); }
.pulse { width: 6px; height: 6px; border-radius: 50%; background: var(--signal); animation: ping 2s infinite; }
@keyframes ping { 0% { box-shadow: 0 0 0 0 rgba(143,211,255,.7); } 70%, 100% { box-shadow: 0 0 0 9px rgba(143,211,255,0); } }
.hero h1 { font-size: clamp(40px, 6.2vw, 82px); margin: 26px 0 24px; font-weight: 600; letter-spacing: -.05em; line-height: .98; }
.hero h1 u { text-decoration: none; position: relative; color: var(--signal); }
.hero h1 u::after { content: ""; position: absolute; left: 0; right: 0; bottom: .02em; height: .06em; background: var(--signal);
  transform: scaleX(0); transform-origin: left; transition: transform 1s cubic-bezier(.7,0,.2,1) 1.2s; box-shadow: 0 0 18px var(--signal); }
.ready .hero h1 u::after { transform: scaleX(1); }
.decode .wd { white-space: nowrap; }
.decode .ch { display: inline-block; }
.decode .ch.scr { color: var(--dim); }
.lede { font-size: 19px; color: var(--fg-2); max-width: 540px; margin: 0; }
.hero-copy > * { opacity: 0; transform: translateY(16px); transition: opacity .9s, transform .9s cubic-bezier(.2,.8,.2,1); }
.ready .hero-copy > * { opacity: 1; transform: none; }
.ready .hero-copy > :nth-child(2) { transition-delay: .1s; } .ready .hero-copy > :nth-child(3) { transition-delay: .5s; }
.ready .hero-copy > :nth-child(4) { transition-delay: .7s; } .ready .hero-copy > :nth-child(5) { transition-delay: .9s; }
.hint { display: flex; align-items: center; gap: 8px; font: 400 13px var(--mono); color: var(--muted); margin-top: 30px; }
.hint svg { color: var(--signal); animation: nudge 2.4s ease-in-out infinite; }
@keyframes nudge { 50% { transform: translate(3px, 3px); } }

.marquee { position: absolute; left: 0; right: 0; top: calc(100vh - 92px); overflow: hidden; padding: 22px 0; border-block: 1px solid var(--line);
  background: rgba(0,0,0,.55);
  -webkit-mask: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee-track { display: flex; gap: 56px; width: max-content; animation: marquee 38s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee span { display: inline-flex; align-items: center; gap: 12px; color: var(--muted); font-size: 16px; font-weight: 500; white-space: nowrap; transition: color .25s; }
.marquee span:hover { color: var(--fg); }
.marquee svg { width: 22px; height: 22px; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ───── 2 · loop ───── */
.loop { height: 520vh; }
.loop-sticky { position: sticky; top: 0; height: 100vh; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 64px;
  align-items: center; padding: 70px var(--col) 0; }
.steps { list-style: none; margin: 0; padding: 0; position: relative; }
.steps::before { content: ""; position: absolute; left: 15px; top: 8px; bottom: 8px; width: 1px; background: var(--line-2); }
.steps::after { content: ""; position: absolute; left: 15px; top: 8px; width: 1px; height: calc(var(--p, 0) * (100% - 16px));
  background: var(--signal); box-shadow: 0 0 10px var(--signal); }
.loop .steps::after { height: calc(var(--p) * (100% - 16px)); }
.steps li { position: relative; padding: 10px 0 10px 54px; opacity: .28; transition: opacity .45s; }
.steps li.on { opacity: 1; }
.steps .num { position: absolute; left: 0; top: 13px; width: 31px; height: 31px; border-radius: 50%; display: grid; place-items: center;
  font: 500 11px var(--mono); background: var(--bg); box-shadow: 0 0 0 1px var(--line-2) inset; color: var(--muted); z-index: 1; transition: .4s; }
.steps li.on .num { color: #000; background: var(--signal); box-shadow: 0 0 0 5px rgba(143,211,255,.12), 0 0 24px rgba(143,211,255,.6); }
.steps h3 { font-size: 30px; margin: 0 0 6px; }
.steps p { margin: 0; color: var(--fg-2); font-size: 16px; max-height: 0; overflow: hidden; transition: max-height .5s ease; }
.steps li.on p { max-height: 120px; }

.term { background: rgba(7,7,8,.88); border-radius: 14px; box-shadow: 0 0 0 1px var(--line-2) inset, 0 40px 120px -40px rgba(143,211,255,.25); overflow: hidden; font: 13.5px/1.75 var(--mono); }
.term-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.term-bar i { width: 10px; height: 10px; border-radius: 50%; background: #222; box-shadow: 0 0 0 1px var(--line-2) inset; }
.term-bar span { margin-left: 10px; }
.term-body { position: relative; height: 320px; padding: 18px 22px; }
.term .pane { position: absolute; inset: 18px 22px; visibility: hidden; }
.term .pane.on { visibility: visible; }
/* Lines type in one after another each time a pane is shown. */
.term .pane > * { opacity: 0; transform: translateX(-6px); }
.term .pane.on > * { animation: line .35s forwards; animation-delay: calc(var(--i, 0) * 110ms); }
@keyframes line { to { opacity: 1; transform: none; } }
.term p { margin: 0; white-space: pre; overflow: hidden; text-overflow: ellipsis; }
.term .p { color: var(--signal); font-weight: 600; }
.term .dim, .dim { color: var(--dim); }
.term .ok { color: var(--ok); }
.term .hl { color: var(--signal); margin-top: 12px; }
.term .mk { color: var(--warn); }
.term .inj { color: var(--fg); background: var(--signal-soft); padding: 0 8px; border-left: 2px solid var(--signal); }
.term .sc { color: #000; background: var(--signal); border-radius: 3px; padding: 0 5px; margin-right: 8px; font-weight: 600; }
.caret { display: inline-block; width: 8px; height: 1.05em; vertical-align: -2px; margin-left: 6px; background: var(--signal); animation: blink 1s steps(1) infinite; }
.meter { position: relative; height: 26px; border-radius: 6px; background: rgba(255,255,255,.04); margin: 12px 0; overflow: hidden; box-shadow: 0 0 0 1px var(--line) inset; }
.meter span { position: absolute; inset: 0 auto 0 0; width: 0; background: rgba(248,113,113,.35); transition: width 1.2s cubic-bezier(.2,.8,.2,1) .4s; }
.meter.good span { background: rgba(143,211,255,.45); }
.pane.on .meter span { width: var(--w); }
.meter em { position: relative; font-style: normal; color: var(--fg); padding-left: 10px; line-height: 26px; font-size: 12.5px; }

/* ───── 3 · stats ───── */
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; margin: 120px var(--col); background: var(--line);
  border-radius: 16px; overflow: hidden; box-shadow: 0 0 0 1px var(--line); }
.stat { padding: 30px 26px 26px; background: rgba(0,0,0,.82); }
.stat b { display: block; font-size: clamp(40px, 4.6vw, 62px); font-weight: 600; letter-spacing: -.05em; line-height: 1; font-variant-numeric: tabular-nums; }
.stat span { display: block; color: var(--muted); font-size: 14px; margin-top: 12px; min-height: 3em; }
.stat .bar { display: block; height: 1px; margin-top: 18px; background: var(--line-2); position: relative; overflow: hidden; }
.stat .bar::after { content: ""; position: absolute; inset: 0; background: var(--signal); box-shadow: 0 0 8px var(--signal); transform-origin: left;
  transform: scaleX(0); transition: transform 1.6s cubic-bezier(.2,.8,.2,1) .2s; }
.stat.in .bar::after { transform: scaleX(var(--w)); }
.stats-note { grid-column: 1 / -1; color: var(--dim); font: 12px var(--mono); margin: 0; padding: 14px 26px; background: rgba(0,0,0,.82); }

/* ───── 4 · tools ───── */
.tools { height: 280vh; }
.tools-sticky { position: sticky; top: 0; min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 20px 48px;
  align-content: center; padding: 80px var(--col) 30px; }
.tools-head { grid-column: 1 / -1; }
.tools-head h2 { max-width: 760px; }
.tools-head .sub { margin-bottom: 0; }
.wire { position: relative; aspect-ratio: 1000 / 560; max-width: 100%; }
.wires { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.w-line { fill: none; stroke: rgba(255,255,255,.4); stroke-width: 1.2; stroke-dasharray: 1; stroke-dashoffset: 1; vector-effect: non-scaling-stroke; }
.w-line.part { stroke: rgba(251,191,36,.6); }
.w-line.pull { stroke: rgba(143,211,255,.55); }
.w-sig { fill: none; stroke: #fff; stroke-width: 2.5; stroke-linecap: round; stroke-dasharray: .025 .975; opacity: 0; vector-effect: non-scaling-stroke;
  filter: drop-shadow(0 0 4px #fff); }
.w-sig.on { opacity: 1; animation: sig 2.2s linear infinite; }
/* Pull-only tools: the model reads from the brain and nothing flows back, so the signal runs outward. */
.w-sig.pull.on { animation-direction: reverse; stroke: var(--signal); filter: drop-shadow(0 0 4px var(--signal)); }
@keyframes sig { from { stroke-dashoffset: 1; } to { stroke-dashoffset: 0; } }
.chip { position: absolute; transform: translate(-50%, -50%) scale(.92); display: inline-flex; align-items: center; gap: 8px; white-space: nowrap;
  font-size: 13px; font-weight: 500; padding: 8px 13px; border-radius: 10px; background: var(--panel); color: var(--dim);
  box-shadow: 0 0 0 1px var(--line) inset; transition: color .4s, box-shadow .4s, transform .5s cubic-bezier(.2,.8,.2,1); }
.chip svg { width: 17px; height: 17px; transition: color .4s; }
.chip.lit { color: var(--fg); transform: translate(-50%, -50%); box-shadow: 0 0 0 1px var(--line-2) inset, 0 10px 30px -10px rgba(143,211,255,.35); }
.chip.lit svg { color: var(--brand, var(--fg)); }
.core { position: absolute; left: 50%; top: 48.2%; width: 26%; aspect-ratio: 1; max-width: 100%; transform: translate(-50%, -50%); border-radius: 50%;
  box-shadow: 0 0 0 1px var(--line) inset; display: grid; place-items: end center; }
.core::before { content: ""; position: absolute; inset: -14%; border-radius: 50%; border: 1px dashed rgba(255,255,255,.1); animation: spin 40s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.core small { font: 500 12px var(--mono); color: var(--fg-2); transform: translateY(26px); }
.matrix-wrap { align-self: center; min-width: 0; overflow-x: auto; }
.matrix { width: 100%; border-collapse: collapse; font-size: 14px; background: rgba(0,0,0,.8); border-radius: 14px; overflow: hidden;
  box-shadow: 0 0 0 1px var(--line-2) inset; }
.matrix th, .matrix td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--line); }
.matrix th { font: 500 11px var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.matrix tr:last-child td { border-bottom: 0; }
.matrix tbody tr { transition: background .2s; } .matrix tbody tr:hover { background: rgba(255,255,255,.03); }
.matrix td:first-child { font-weight: 500; white-space: nowrap; }
.matrix td:first-child svg { width: 16px; height: 16px; vertical-align: -3px; margin-right: 10px; }
.matrix td.y, .matrix td.w, .matrix td.n { color: var(--fg-2); }
.matrix td.y::before, .matrix td.w::before, .matrix td.n::before { display: inline-block; width: 6px; height: 6px; border-radius: 50%; margin-right: 8px; vertical-align: 2px; content: ""; }
.matrix td.y::before { background: var(--ok); } .matrix td.w::before { background: var(--warn); }
.matrix td.n { color: var(--dim); } .matrix td.n::before { background: var(--bad); }
.matrix code { font-size: 11.5px; }
.legend { color: var(--muted); font-size: 13px; margin: 12px 2px 0; }
.legend b { color: var(--fg); font-weight: 500; }

/* ───── 5 · vault ───── */
.vault { height: 300vh; }
.vault-sticky { position: sticky; top: 0; height: 100vh; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 64px; align-items: center;
  padding: 70px var(--col) 0; }
.vault-copy p:not(.eyebrow) { color: var(--fg-2); font-size: 18px; }
.vault-copy p.fine { color: var(--muted); font-size: 15px; border-left: 1px solid var(--signal); padding-left: 16px; }
.pipe { position: relative; display: grid; gap: 10px; padding-left: 36px; }
.pipe::before { content: ""; position: absolute; left: 12px; top: 24px; bottom: 24px; width: 1px; background: var(--line-2); }
.pipe::after { content: ""; position: absolute; left: 12px; top: 24px; width: 1px; height: calc(var(--p, 0) * (100% - 48px)); background: var(--signal); box-shadow: 0 0 10px var(--signal); }
.vault .pipe::after { height: calc(var(--p) * (100% - 48px)); }
.stage { display: grid; grid-template-columns: 34px 1fr; column-gap: 12px; align-items: center; padding: 12px 16px; border-radius: 12px;
  background: var(--panel); box-shadow: 0 0 0 1px var(--line) inset; transform: translateX(12px);
  transition: transform .45s, box-shadow .45s; }
.stage .ico { grid-row: span 2; width: 22px; height: 22px; justify-self: center; color: var(--fg-2); }
.stage b { font-size: 15px; font-weight: 500; } .stage small { color: var(--muted); font: 12px var(--mono); }
.stage > * { transition: opacity .45s; } .stage:not(.lit) > * { opacity: .28; }
.stage.lit { transform: none; box-shadow: 0 0 0 1px var(--line-2) inset; }
.stage.lock.lit { box-shadow: 0 0 0 1px rgba(143,211,255,.5) inset, 0 0 40px -12px rgba(143,211,255,.6); }
.stage.lock.lit .ico { color: var(--signal); }
.packet { position: absolute; left: 12px; top: 0; margin-top: -11px; z-index: 2; height: 22px; display: flex; align-items: center; pointer-events: none; }
.packet span { font: 500 10px var(--mono); padding: 3px 7px; border-radius: 5px; color: #000; background: var(--fg); box-shadow: 0 0 14px rgba(255,255,255,.5);
  white-space: nowrap; transform: translateX(-50%); transition: background .3s, box-shadow .3s; }
.packet.sealed span { background: var(--signal); box-shadow: 0 0 16px var(--signal); }

/* ───── 6 · rail ───── */
.rail { position: relative; }
.rail-sticky { position: sticky; top: 0; height: 100vh; overflow: hidden; display: flex; flex-direction: column; justify-content: center; }
.rail-title { padding: 0 var(--col); }
.track { display: flex; gap: 18px; padding: 0 var(--col); will-change: transform; width: max-content; }
.panel { width: min(400px, 80vw); flex: none; padding: 28px; border-radius: 16px; background: rgba(7,7,8,.86);
  box-shadow: 0 0 0 1px var(--line) inset; min-height: 380px;
  transition: transform .4s cubic-bezier(.2,.8,.2,1); transform: perspective(900px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); }
.panel h3 { font-size: 24px; margin: 0 0 10px; }
.panel p { color: var(--fg-2); font-size: 15.5px; margin: 0 0 18px; }
.demo { width: 100%; border-radius: 10px; display: block; box-shadow: 0 0 0 1px var(--line-2); filter: grayscale(.3); }
.snip { font: 12.5px/1.8 var(--mono); background: #000; padding: 14px 16px; border-radius: 10px; margin: 0; overflow-x: auto; color: var(--fg); box-shadow: 0 0 0 1px var(--line) inset; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tags span { font: 500 12px var(--mono); padding: 6px 10px; border-radius: 7px; color: var(--fg-2); box-shadow: 0 0 0 1px var(--line-2) inset; transition: color .2s, box-shadow .2s; }
.tags span:hover { color: var(--signal); box-shadow: 0 0 0 1px var(--signal) inset; }
.machines { display: flex; align-items: center; gap: 14px; margin-top: 34px; color: var(--fg-2); }
.machines svg { width: 30px; height: 30px; }
.machines i { flex: 1; height: 1px; background: repeating-linear-gradient(90deg, var(--signal) 0 6px, transparent 6px 12px);
  background-size: 24px 1px; animation: flow .8s linear infinite; }
@keyframes flow { to { background-position: 24px 0; } }

/* ───── scroll-lit headings + fades ───── */
.reveal .w { color: var(--dim); transition: color .35s; }
.reveal .w.lit { color: var(--fg); }
.fade { opacity: 0; transform: translateY(26px); transition: opacity .8s, transform .8s cubic-bezier(.2,.8,.2,1); }
.fade.in { opacity: 1; transform: none; }

/* ───── 7 · compare + 8 · limits + 9 · soon ───── */
.compare, .limits, .soon { padding: 120px var(--col); }
.cmp { border-radius: 16px; background: rgba(0,0,0,.82); box-shadow: 0 0 0 1px var(--line-2) inset; overflow: hidden; }
.cmp-row { display: grid; grid-template-columns: 1fr 1fr 1.2fr; gap: 16px; padding: 15px 22px; border-bottom: 1px solid var(--line); font-size: 15px; transition: background .2s; }
.cmp-row:not(.head):hover { background: rgba(255,255,255,.025); }
.cmp-row:last-child { border-bottom: 0; }
.cmp-row span:first-child { color: var(--muted); }
.cmp-row span:nth-child(2) { color: var(--dim); }
.cmp-row span:last-child { color: var(--fg); font-weight: 500; }
.cmp-row.head { font: 500 11px var(--mono); text-transform: uppercase; letter-spacing: .1em; }
.cmp-row.head span:last-child { color: var(--signal); }
.cmp-row.cost span:last-child { color: var(--warn); font-weight: 400; }
.limits { padding-top: 40px; }
.lim { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.lim li { padding: 20px 22px; border-radius: 14px; background: rgba(7,7,8,.85); box-shadow: 0 0 0 1px var(--line) inset; color: var(--muted); font-size: 15px; }
.lim li:nth-child(2) { transition-delay: .06s; } .lim li:nth-child(3) { transition-delay: .12s; } .lim li:nth-child(4) { transition-delay: .18s; }
.lim li:nth-child(5) { transition-delay: .24s; } .lim li:nth-child(6) { transition-delay: .3s; }
.lim b { color: var(--fg); display: block; margin-bottom: 2px; font-weight: 500; }
.soon { text-align: center; padding-bottom: 170px; display: flex; flex-direction: column; align-items: center; }
.soon h2 { font-size: clamp(40px, 6.4vw, 84px); letter-spacing: -.05em; }
.soon .sub { margin-left: auto; margin-right: auto; }
.code { max-width: 760px; width: 100%; text-align: left; border-radius: 14px; background: rgba(7,7,8,.9); overflow-x: auto;
  box-shadow: 0 0 0 1px var(--line-2) inset, 0 40px 100px -50px rgba(143,211,255,.35); }
.code pre { margin: 0; padding: 22px 24px; font: 13.5px/1.9 var(--mono); color: var(--fg); }
.code .p { color: var(--signal); user-select: none; }
.works { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 26px; }
.works span { display: inline-flex; align-items: center; gap: 10px; font-size: 14px; color: var(--fg-2); padding: 9px 14px; border-radius: 10px; box-shadow: 0 0 0 1px var(--line) inset; background: rgba(0,0,0,.6); }
.works svg { width: 17px; height: 17px; color: var(--fg); }
.foot { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 26px var(--col) calc(26px + env(safe-area-inset-bottom, 0px)); border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; background: #000; }
.brand.small { font-size: 14px; } .brand.small .mark { width: 20px; height: 20px; }

/* ───── small screens: no pinning, everything stacks ───── */
@media (max-width: 760px) {
  body { font-size: 16px; }
  .nav nav { gap: 14px; font-size: 13px; }
  .nav .soon-pill { display: none; }
  .hero { height: auto; }
  .hero-sticky { position: relative; height: auto; min-height: 100svh; align-items: flex-start; padding-top: 120px; padding-bottom: 140px; }
  .hero-copy { transform: none; opacity: 1; }
  .hint { display: none; }
  .marquee { top: auto; bottom: 0; }
  .loop, .tools, .vault { height: auto; }
  .loop-sticky, .tools-sticky, .vault-sticky { position: relative; height: auto; min-height: 0; grid-template-columns: minmax(0, 1fr);
    padding-top: 80px; padding-bottom: 40px; gap: 28px; }
  .steps li { opacity: 1; }
  .steps li p { max-height: none; }
  .steps::after, .pipe::after { display: none; }
  .loop-term { display: none; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 60px; margin-bottom: 60px; }
  .stat { padding: 22px 18px; }
  .chip { font-size: 10px; padding: 4px 7px; gap: 5px; }
  .chip svg { width: 12px; height: 12px; }
  .matrix th, .matrix td { padding: 8px; font-size: 12px; }
  .stage { transform: none; } .stage:not(.lit) > * { opacity: 1; }
  .packet { display: none; }
  .rail { height: auto !important; }
  .rail-sticky { position: relative; height: auto; overflow: visible; padding: 60px 0; }
  .track { width: auto; flex-direction: column; transform: none !important; }
  .panel { width: 100%; min-height: 0; transform: none !important; }
  .cmp-row { grid-template-columns: 1fr 1fr; padding: 12px 16px; font-size: 14px; }
  .cmp-row span:first-child { grid-column: 1 / -1; font: 500 11px var(--mono); text-transform: uppercase; letter-spacing: .08em; }
  .cmp-row.head span:first-child { display: none; }
  .lim { grid-template-columns: minmax(0, 1fr); }
  .compare, .limits, .soon { padding-top: 70px; padding-bottom: 70px; }
  .code pre { font-size: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .fade, .hero-copy > * { transition: none; opacity: 1; transform: none; }
  .term .pane.on > * { animation: none; opacity: 1; transform: none; }
  .w-sig.on, .machines i, .pulse, .marquee-track, .grain, .core::before, .caret, .soon-pill i, .hint svg { animation: none; }
}

.credit.inline { display: block; margin: 22px 0 0; font: 12px var(--mono); letter-spacing: .06em; color: var(--muted); }
.credit.inline b { color: var(--fg); font-weight: 500; }

/* the product's logo tile (same treatment as the Open Agentic Brain and Memory control panel) */
.brand .logo { position: relative; display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; flex: none;
  background: linear-gradient(180deg, #17181c, #0e0f11); box-shadow: 0 0 0 1px rgba(255,255,255,.12) inset, 0 0 0 4px rgba(139,141,252,.05); }
.brand .logo::after { content: ""; position: absolute; inset: -1px; border-radius: inherit; pointer-events: none; padding: 1px;
  background: conic-gradient(from var(--a, 0deg), transparent 0 70%, rgba(139,141,252,.55) 85%, transparent);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude;
  animation: logo-spin 6s linear infinite; }
@property --a { syntax: "<angle>"; initial-value: 0deg; inherits: false; }
@keyframes logo-spin { to { --a: 360deg; } }
.brand .logo .mark { width: 24px; height: 24px; }
.brand.small .mark { width: 20px; height: 20px; }
@media (prefers-reduced-motion: reduce) { .brand .logo::after { animation: none; } }

/* "beta" tag on tool chips (Kilo Code) */
.beta { font: 600 9px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); border: 1px solid var(--line-2); border-radius: 999px; padding: 3px 6px; margin-left: 6px; }

/* ───── launch: install command + GitHub links ───── */
.soon-pill.live i { background: var(--signal); box-shadow: 0 0 8px var(--signal); }
.install { width: 100%; max-width: 760px; margin: 30px auto 0; display: flex; flex-direction: column; align-items: center; gap: 18px; }
.install .btn svg { width: 18px; height: 18px; }
.install .cmd { width: 100%; display: flex; align-items: center; text-align: left; border-radius: 14px; background: rgba(7,7,8,.9);
  box-shadow: 0 0 0 1px var(--line-2) inset, 0 40px 100px -50px rgba(143,211,255,.35); }
.install .cmd code { flex: 1; min-width: 0; padding: 16px 0 16px 20px; font: 13px/1.7 var(--mono); color: var(--fg); background: none; box-shadow: none; border-radius: 0;
  white-space: pre-wrap; overflow-wrap: anywhere; }
.install .cmd code::before { content: "$ "; color: var(--signal); }
.install .copy { flex: none; align-self: flex-start; margin: 10px; padding: 8px 14px; border: 0; border-radius: 9px; font: 500 12px var(--mono); color: var(--fg);
  background: rgba(255,255,255,.06); box-shadow: 0 0 0 1px var(--line-2) inset; cursor: pointer; transition: background .2s, color .2s; }
.install .copy:hover { background: rgba(255,255,255,.12); } .install .copy.ok { color: var(--signal); }
.install .works { margin-top: 4px; }
.nav nav a.gh, .foot a.gh { display: inline-flex; align-items: center; gap: 7px; }
.nav nav a.gh svg, .foot a.gh svg { width: 16px; height: 16px; }
.foot a { color: var(--muted); text-decoration: none; } .foot a:hover { color: var(--fg); }
@media (max-width: 760px) {
  .nav nav a.gh span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  .install .cmd code { font-size: 12px; padding-left: 14px; }
}

/* long product name: let the nav brand label wrap and shrink on phones */
.brand { min-width: 0; }
@media (max-width: 760px) {
  .nav .brand, header.site .brand { font-size: 12px; line-height: 1.15; gap: 8px; max-width: 150px; }
  .nav nav, header.site nav { flex: none; }
}