/* Bach site. The app replica uses Bach's own tokens (bach/docs/web-design-spec.md);
   the page around it follows Whirl's marketing pages: neutral, quiet, semibold heads,
   #161615 cards on a 1px ring. src/*.css + the app block are joined by build.mjs. */

@font-face { font-family: "Inter"; src: url(fonts/Inter-Regular.ttf) format("truetype"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Inter"; src: url(fonts/Inter-Medium.ttf) format("truetype"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Inter"; src: url(fonts/Inter-SemiBold.ttf) format("truetype"); font-weight: 600; font-display: swap; }

:root {
  --page: #0c0c0c; --card: #161615; --card-2: #1c1c1b; --ring: rgb(255 255 255 / .08);
  --ink: #f2f2f1; --ink-2: #b4b4b2; --muted: #85857f;
  --ease: cubic-bezier(.22, .61, .36, 1); --ease-out: cubic-bezier(.22, 1, .36, 1);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --wrap: 1180px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 72px; }
body { margin: 0; background: var(--page); color: var(--ink); font: 400 16px/1.6 "Inter", system-ui, sans-serif; font-feature-settings: "liga" 1, "calt" 1; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
code { font: .9em var(--mono); }
img { display: block; }
.wrap { width: min(100% - 48px, var(--wrap)); margin-inline: auto; }
.i { width: 1em; height: 1em; flex: none; display: inline-block; }
:focus-visible { outline: 2px solid #fff; outline-offset: 2px; border-radius: 8px; }

/* ---------------- nav: always solid, a hairline once the page moves */
.nav { position: fixed; inset: 0 0 auto; z-index: 50; background: var(--page); border-bottom: 1px solid transparent; transition: border-color .2s var(--ease); }
.nav.is-solid { border-bottom-color: var(--ring); }
.nav__bar { height: 60px; display: flex; align-items: center; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 9px; font: 600 17px/1 "Inter", sans-serif; letter-spacing: -.01em; }
.brand__mark { width: 22px; height: 22px; filter: invert(.95); }
.nav__links { display: flex; gap: 2px; margin-left: auto; }
.nav__links a { padding: 7px 12px; border-radius: 99px; color: var(--ink-2); font-size: 14px; font-weight: 500; transition: color .15s, background-color .15s; }
.nav__links a:hover { color: var(--ink); background: rgb(255 255 255 / .06); }

/* ---------------- buttons: flat, no glow */
.btn { display: inline-flex; align-items: center; gap: 8px; height: 44px; padding: 0 20px; border-radius: 99px; font-weight: 500; font-size: 15px; white-space: nowrap; transition: transform .15s var(--ease), background-color .15s, color .15s; cursor: pointer; border: 0; }
.btn .i { font-size: 17px; }
.btn:active { transform: scale(.97); }
.btn--light { background: #f2f2f1; color: #111; }
.btn--light:hover { background: #fff; }
.btn--ghost { background: rgb(255 255 255 / .07); color: var(--ink); }
.btn--ghost:hover { background: rgb(255 255 255 / .11); }
.btn--sm { height: 34px; padding: 0 16px; font-size: 14px; }

/* ---------------- hero */
.hero { position: relative; padding: 128px 0 24px; }
.hero__head { text-align: center; display: grid; justify-items: center; }
.hero__title { margin: 0; font: 600 clamp(42px, 6.6vw, 76px)/1.02 "Inter", sans-serif; letter-spacing: -.04em; }
.hero__lead { margin: 20px 0 0; max-width: 600px; font-size: clamp(16px, 1.4vw, 18px); line-height: 1.6; color: var(--ink-2); }
.hero__cta { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 30px; }
.hero__stage { position: relative; margin-top: 56px; }
.hero__hint { margin: 14px 0 0; text-align: center; font-size: 13px; color: var(--muted); }

/* ---------------- Bach's window (the app) */
.app {
  --bg: #202020; --surface: #181818; --well: #242424; --well-outline: rgb(255 255 255 / .05); --well-hi: rgb(255 255 255 / .12);
  --well-tr: rgb(36 36 36 / .72); --fg: #f0f0f0; --fg-soft: oklch(.78 0 0); --mutedbg: #303030; --mfg: oklch(.72 0 0); --acc: #313131;
  --primary: oklch(.9 0 0); --primary-h: oklch(.95 0 0); --primary-fg: oklch(.17 0 0); --border: rgb(255 255 255 / .06); --pop: #262626;
  --hover: rgb(255 255 255 / .06); --row-hover: rgb(255 255 255 / .05); --destructive: oklch(.704 .191 22.216);
  position: relative; display: grid; grid-template-columns: 236px minmax(0, 1fr); height: 680px; padding: 8px 8px 8px 0;
  background: var(--bg); color: var(--fg); border-radius: 18px; font: 400 13.5px/20px "Inter", sans-serif; text-align: left;
  box-shadow: 0 0 0 1px rgb(255 255 255 / .09), 0 50px 100px -40px rgb(0 0 0 / .9);
  overflow: hidden; user-select: none; }
.app .i { font-size: 16px; }

/* sidebar */
.sb { display: flex; flex-direction: column; gap: 2px; padding: 4px 12px 0; color: var(--fg-soft); min-width: 0; font-weight: 500; }
.sb__top { height: 36px; display: flex; align-items: center; padding: 0 6px; }
.sb__logo { width: 22px; height: 22px; filter: invert(.85); }
.sb__new { height: 34px; margin: 6px 0 4px; border-radius: 12px; background: #e6e6e6; color: #141414; display: flex; align-items: center; gap: 8px; padding: 0 10px; }
.sb__row { height: 32px; border-radius: 12px; display: flex; align-items: center; gap: 10px; padding: 0 10px; white-space: nowrap; }
.sb__row.is-on { background: #2a2a2a; color: var(--fg); }
.sb__row--item { color: var(--fg-soft); font-weight: 400; overflow: hidden; text-overflow: ellipsis; display: block; line-height: 32px; }
.sb__sep { height: 1px; background: rgb(255 255 255 / .07); margin: 8px 6px; }
.sb__label { display: flex; align-items: center; justify-content: space-between; font-size: 12px; color: var(--mfg); font-weight: 500; padding: 10px 10px 4px; }
.sb__label .i { font-size: 14px; }
.sb__proj { height: 32px; display: flex; align-items: center; gap: 6px; padding: 0 10px 0 4px; color: var(--fg); }
.sb__proj .i--chev { font-size: 13px; color: var(--mfg); }
.sb__proj .i:not(.i--chev) { color: var(--fg-soft); font-size: 15px; }
.sb__count { margin-left: auto; font-size: 12px; color: var(--mfg); font-variant-numeric: tabular-nums; }
.sb__runs { display: flex; flex-direction: column; gap: 2px; }
.sb__run { height: 32px; display: flex; align-items: center; gap: 8px; padding: 0 10px 0 28px; border-radius: 12px; font-weight: 400; color: var(--fg-soft); overflow: hidden; }
.sb__run span { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sb__run.is-on { background: #2a2a2a; color: var(--fg); }
.sb__run .st { font-size: 14px; color: var(--mfg); }
.sb__run .st--fail { color: var(--destructive); }
.sb__run .st--spin { animation: spin 1s linear infinite; }
.sb__run.is-new { animation: listIn .32s var(--ease-out) both; }
.sb__foot { margin-top: auto; padding-bottom: 6px; }
.sb__me { display: flex; align-items: center; gap: 10px; padding: 8px 6px; }
.sb__me b { display: block; font-weight: 500; color: var(--fg); font-size: 13px; line-height: 18px; }
.sb__me small { display: block; color: var(--mfg); font-size: 12px; line-height: 16px; font-weight: 400; }
.sb__av { width: 32px; height: 32px; border-radius: 50%; background: #333; display: grid; place-items: center; font-size: 12px; color: var(--fg); }
@keyframes listIn { from { opacity: 0; height: 0; transform: scale(.97); } to { opacity: 1; height: 32px; transform: none; } }

/* the pane */
.pane { position: relative; background: var(--surface); border-radius: 12px; box-shadow: inset 0 0 0 1px var(--border); overflow: hidden; min-width: 0; }
.toolbar { position: absolute; top: 12px; right: 12px; z-index: 6; display: flex; gap: 6px; }
.tpill { height: 32px; display: inline-flex; align-items: center; gap: 6px; padding: 0 12px; border-radius: 99px; background: var(--well-tr); color: var(--mfg); font-size: 13px; font-weight: 500;
  box-shadow: inset 0 0 0 1px var(--well-outline), inset 0 1px 0 0 var(--well-hi); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px); }
.tpill .i { font-size: 14px; }
.tpill--new { opacity: 0; transform: scale(.9); transition: opacity .15s ease-out, transform .15s ease-out; }
.app.is-run .tpill--new { opacity: 1; transform: none; }

.home { position: absolute; inset: 0; display: grid; place-items: center; pointer-events: none; }
.home__heading { display: flex; align-items: center; gap: 12px; transform: translateY(-70px); font: 500 28px/36px "Inter", sans-serif; letter-spacing: -.025em; transition: opacity .16s var(--ease), filter .16s var(--ease), transform .16s var(--ease); }
.home__heading .i { font-size: 28px; color: var(--fg-soft); }
.app.is-run .home__heading { opacity: 0; filter: blur(4px); }

.transcript { position: absolute; inset: 0; overflow: hidden; padding: 64px 24px 160px; }
.transcript__in { max-width: 640px; margin: 0 auto; display: flex; flex-direction: column; transition: transform .5s var(--ease-out); }

/* user bubble */
.bubble { align-self: flex-end; max-width: 85%; background: var(--well); border-radius: 20px 20px 6px 20px; padding: 8px 14px; font-size: 15px; line-height: 24px; box-shadow: inset 0 0 0 1px var(--well-outline), inset 0 1px 0 0 var(--well-hi); margin-bottom: 28px; }

/* phase line and agent rows */
.phase { display: flex; align-items: center; gap: 6px; margin: 0 -4px; padding: 2px 4px; min-height: 28px; }
.phase.is-live { gap: 8px; }
.slot { position: relative; width: 20px; height: 20px; flex: none; color: var(--mfg); }
.slot > * { position: absolute; inset: 0; margin: auto; transition: opacity .1s var(--ease), transform .1s var(--ease); }
.slot > .is-out { opacity: 0; transform: scale(.72) rotate(16deg); }
.slot > .is-in { animation: popIn .12s var(--ease) both; }
@keyframes popIn { from { opacity: 0; transform: scale(.72) rotate(-16deg); } }
.slot .i { font-size: 15px; width: 15px; height: 15px; }
.slot .act-mark { width: 26px; height: 26px; margin: -3px; filter: invert(.92); }
.label { position: relative; display: inline-block; white-space: nowrap; }
.label > span { display: inline-block; }
.label .lb-out { position: absolute; left: 0; top: 0; animation: lbOut .22s var(--ease-out) forwards; }
.label .lb-in { animation: lbIn .28s var(--ease-out) both; }
@keyframes lbOut { to { opacity: 0; filter: blur(3px); transform: translateY(-4px); } }
@keyframes lbIn { from { opacity: 0; filter: blur(3px); transform: translateY(4px); } }
.phase .label { font-size: 13px; color: var(--mfg); font-weight: 500; }
.phase.is-live .label { font-size: 15px; line-height: 24px; }
.shimmer { --base: color-mix(in oklab, var(--fg) 50%, transparent);
  background: linear-gradient(90deg, var(--base) 0%, var(--base) 40%, var(--fg) 50%, var(--base) 60%, var(--base) 100%);
  background-size: 250% 100%; -webkit-background-clip: text; background-clip: text; color: transparent !important; animation: shimmer .72s linear infinite; }
@keyframes shimmer { from { background-position: 100% 0; } to { background-position: 0 0; } }
.ell { color: color-mix(in oklab, var(--fg) 50%, transparent); }

.steps { display: flex; flex-direction: column; gap: 2px; margin-top: 4px; }
.step { margin: 0 -4px; padding: 4px; border-radius: 8px; animation: rowIn .3s var(--ease-out) both; cursor: default; transition: background-color .15s; }
.step:hover { background: var(--row-hover); }
@keyframes rowIn { from { opacity: 0; transform: translateY(-4px); filter: blur(4px); } }
.step__top { display: flex; align-items: center; gap: 8px; }
.step__title { font-size: 13.5px; font-weight: 500; color: var(--fg); }
.step.is-pending .step__title { color: var(--mfg); }
.step__chev { font-size: 13px !important; width: 13px !important; color: var(--mfg); }
.step__meta { padding-left: 28px; font-size: 12px; line-height: 16px; color: var(--mfg); font-variant-numeric: tabular-nums; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.step__act { padding-left: 28px; padding-top: 2px; font-size: 12px; line-height: 16px; color: color-mix(in oklab, var(--mfg) 80%, transparent); height: 18px; overflow: hidden; }
.step__act:empty { display: none; }
.spin { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.g-dash { opacity: .6; }

.answer { margin-top: 18px; font-size: 15px; line-height: 28px; animation: blockIn .32s var(--ease-out) both; }
.answer p { margin: 0 0 12px; }
.answer ul { margin: 0 0 12px; padding-left: 20px; }
.answer li { margin: 2px 0; }
.answer code { font: 13px var(--mono); background: var(--well); border-radius: 5px; padding: 2px 5px; box-shadow: inset 0 0 0 1px var(--well-outline); }
.answer b { font-weight: 600; }
@keyframes blockIn { from { opacity: 0; transform: translateY(6px); } }
.rfoot { display: flex; align-items: center; gap: 10px; margin-top: 2px; font-size: 11.5px; line-height: 16px; font-weight: 500; color: var(--mfg); font-variant-numeric: tabular-nums; animation: blockIn .32s var(--ease-out) both; }
.rfoot > span { display: inline-flex; align-items: center; gap: 4px; }
.rfoot .i { font-size: 12px; }
.rfoot .copy { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 8px; margin-left: -6px; }
.rfoot .copy .i { font-size: 15px; }

/* the dock: composer and notices */
.dock { position: absolute; left: 0; right: 0; bottom: 0; z-index: 5; padding: 0 24px 16px; transform: translateY(var(--dock-y, -232px)); transition: transform .6s cubic-bezier(.2, 1, .3, 1); }
.app.is-run .dock { --dock-y: 0px; }
.notices, .composer { max-width: 672px; margin: 0 auto; }
.notices { display: flex; flex-direction: column; }
.notice-wrap { overflow: hidden; transition: height .38s cubic-bezier(.2, 1, .3, 1), opacity .15s linear; }
.notice { display: flex; flex-direction: column; gap: 12px; border-radius: 20px; border: 1px solid var(--well-outline); background: var(--well-tr); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px); padding: 14px 16px; margin-bottom: 8px; }
.notice__head { display: flex; gap: 10px; align-items: flex-start; }
.notice__head > .i { font-size: 17px; margin-top: 1px; color: var(--mfg); }
.notice__head b { display: block; font-size: 14px; font-weight: 500; line-height: 20px; }
.notice__head span { display: block; margin-top: 2px; font-size: 13px; line-height: 20px; color: var(--mfg); }
.diff { margin-left: 27px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface); padding: 6px 0; font: 12px/20px var(--mono); }
.diff p { margin: 0; padding: 0 12px; white-space: pre-wrap; color: var(--mfg); }
.diff .add { background: rgb(255 255 255 / .05); color: var(--fg); }
.diff .ctx::before { content: "  "; }
.notice__btns { display: flex; gap: 8px; padding-left: 27px; }
.pb { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 99px; border: 0; font-size: 13px; line-height: 16px; font-weight: 500; cursor: pointer; transition: background-color .15s, color .15s, transform .15s; }
.pb:active { transform: scale(.96); }
.pb--primary { background: var(--primary); color: var(--primary-fg); }
.pb--primary:hover { background: var(--primary-h); }
.pb--ghost { background: none; color: var(--mfg); }
.pb--ghost:hover { background: var(--hover); color: var(--fg); }
.pb.is-pressed { transform: scale(.94); }

.composer { position: relative; border-radius: 26px; border: 1px solid var(--well-outline); background: var(--well); padding: 8px; transition: background-color .3s; }
.app.is-run .composer { background: var(--well-tr); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px); }
.composer__text textarea { display: block; width: 100%; resize: none; border: 0; outline: 0; background: none; color: var(--fg); font: 15px/24px "Inter", sans-serif; padding: 6px 8px 8px; height: 38px; user-select: text; }
.composer__text textarea::placeholder { color: var(--mfg); }
.composer__row { display: flex; align-items: center; gap: 6px; }
.composer__sp { flex: 1; }
.chip-folder { height: 36px; display: inline-flex; align-items: center; gap: 6px; padding: 0 4px 0 12px; border-radius: 99px; border: 1px solid var(--border); background: var(--surface); font-weight: 500; box-shadow: inset 0 1px 0 0 rgb(255 255 255 / .06), inset 0 0 0 .5px rgb(255 255 255 / .04); }
.chip-folder .i { font-size: 16px; color: var(--mfg); }
.chip-folder__x { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; }
.chip-folder__x .i { font-size: 14px; }
.settings-pill { height: 36px; display: inline-flex; align-items: center; gap: 6px; padding: 0 12px; border: 0; border-radius: 99px; background: none; color: var(--mfg); font-weight: 500; font-size: 13.5px; cursor: pointer; transition: background-color .15s, color .15s; font-variant-numeric: tabular-nums; }
.settings-pill:hover, .settings-pill[aria-expanded="true"] { background: var(--hover); color: var(--fg); }
.settings-pill .i { font-size: 15px; }
.settings-pill .dot { opacity: .5; padding: 0 1px; }
.send { position: relative; width: 36px; height: 36px; border-radius: 50%; border: 0; background: var(--primary); color: var(--primary-fg); display: grid; place-items: center; cursor: pointer; transition: background-color .15s, transform .15s, opacity .15s; }
.send:disabled { opacity: .4; cursor: default; }
.send.is-pressed, .send:active { transform: scale(.92); }
.send .i { position: absolute; font-size: 18px; transition: opacity .12s linear, transform .3s cubic-bezier(.3, 1.4, .5, 1); }
.send .i--stop { opacity: 0; transform: scale(.4); font-size: 14px; }
.send.is-stop .i:first-child { opacity: 0; transform: scale(.4); }
.send.is-stop .i--stop { opacity: 1; transform: none; }

.popover { position: absolute; right: 44px; bottom: calc(100% + 8px); width: 288px; padding: 6px; border-radius: 14px; background: var(--pop); box-shadow: 0 0 0 1px rgb(255 255 255 / .14), inset 0 1px 0 0 rgb(255 255 255 / .06), 0 20px 50px -10px rgb(0 0 0 / .6);
  transform-origin: 85% 100%; opacity: 0; transform: translateY(8px) scale(.95); pointer-events: none; transition: opacity .1s, transform .14s var(--ease); z-index: 8; }
.popover.is-open { opacity: 1; transform: none; pointer-events: auto; }
.pop__label { padding: 4px 8px 6px; font-size: 12px; line-height: 16px; font-weight: 500; color: var(--mfg); }
.caps { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); margin: 0 4px; padding: 3px; border-radius: 99px; background: var(--well); box-shadow: inset 0 0 0 1px var(--well-outline); }
.caps button { position: relative; z-index: 1; height: 28px; border: 0; background: none; border-radius: 99px; font-size: 13px; font-weight: 500; color: var(--mfg); cursor: pointer; transition: color .2s; }
.caps button.is-on { color: var(--primary-fg); }
.caps__thumb { position: absolute; top: 3px; bottom: 3px; left: 3px; width: calc((100% - 6px) / 3); border-radius: 99px; background: var(--primary); transition: transform .35s cubic-bezier(.3, 1.25, .5, 1); }
.pop__hint { margin: 6px 8px 0; font-size: 12px; line-height: 16px; color: var(--mfg); }
.pop__div { height: 1px; background: var(--border); margin: 8px 4px; }
.budget { display: flex; align-items: center; gap: 6px; margin: 0 4px; height: 36px; padding: 0 12px; border-radius: 10px; background: var(--well); box-shadow: inset 0 0 0 1px var(--well-outline), inset 0 1px 0 0 var(--well-hi); color: var(--mfg); }
.budget input { flex: 1; min-width: 0; border: 0; outline: 0; background: none; color: var(--fg); font: 500 13.5px "Inter", sans-serif; font-variant-numeric: tabular-nums; user-select: text; }
.budget small { font-size: 12px; }
.pop__row { display: flex; align-items: center; gap: 8px; height: 34px; padding: 0 8px; border-radius: 9px; font-size: 13.5px; }
.pop__row:hover { background: var(--hover); }
.pop__row b { font-weight: 500; }
.pop__row span { margin-left: auto; color: var(--mfg); }
.pop__row .i { font-size: 14px; color: var(--mfg); }

.cursor { position: absolute; left: 0; top: 0; z-index: 20; width: 22px; height: 22px; pointer-events: none; opacity: 0; transition: transform .7s cubic-bezier(.45, 0, .2, 1), opacity .25s; filter: drop-shadow(0 2px 4px rgb(0 0 0 / .5)); }
.cursor.is-on { opacity: 1; }
.cursor.is-click svg { transform: scale(.85); }
.cursor svg { transition: transform .12s; }


/* ---------------- model strip */
.strip { padding: 72px 0 0; }
.strip__in { display: grid; gap: 20px; justify-items: center; }
.strip__lead { margin: 0; color: var(--muted); font-size: 14px; }
.marquee { width: 100%; overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 14%, #000 86%, transparent); mask-image: linear-gradient(90deg, transparent, #000 14%, #000 86%, transparent); }
.marquee__track { display: flex; gap: 52px; width: max-content; animation: marquee 40s linear infinite; }
.marquee__track span { display: inline-flex; align-items: center; gap: 10px; font: 600 19px/1 "Inter", sans-serif; color: #9d9d98; letter-spacing: -.01em; white-space: nowrap; }
.marquee__track .i { font-size: 24px; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------------- sections */
.sec { padding: 176px 0 0; }
.sec--tight { padding-top: 144px; }
.head { max-width: 700px; margin-bottom: 48px; }
.sec h2 { margin: 0; font: 600 clamp(30px, 3.6vw, 44px)/1.08 "Inter", sans-serif; letter-spacing: -.035em; }
.head__lead { margin: 14px 0 0; font-size: 17px; line-height: 1.6; color: var(--ink-2); max-width: 600px; }

/* ---------------- feature cards */
.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.card { border-radius: 24px; background: var(--card); box-shadow: inset 0 0 0 1px var(--ring); padding: 8px; display: flex; flex-direction: column; }
.card__vis { position: relative; height: 320px; border-radius: 18px; background: var(--card-2); box-shadow: inset 0 0 0 1px rgb(255 255 255 / .05); overflow: hidden; display: grid; place-items: center; padding: 24px;
  --bg: #202020; --surface: #181818; --well: #242424; --well-tr: rgb(36 36 36 / .9); --well-outline: rgb(255 255 255 / .06); --well-hi: rgb(255 255 255 / .1); --fg: #f0f0f0; --mfg: oklch(.72 0 0); --border: rgb(255 255 255 / .07);
  --primary: oklch(.9 0 0); --primary-fg: oklch(.17 0 0); --primary-h: oklch(.95 0 0); --hover: rgb(255 255 255 / .06); --row-hover: rgb(255 255 255 / .05);
  color: var(--fg); font: 400 13.5px/20px "Inter", sans-serif; }
.card__vis > * { width: 100%; max-width: 440px; }
.card__txt { padding: 20px 20px 18px; }
.card__txt h3 { margin: 0; font-size: 17px; font-weight: 600; letter-spacing: -.01em; }
.card__txt p { margin: 6px 0 0; font-size: 15px; line-height: 1.55; color: var(--ink-2); max-width: 470px; }

/* approval */
.vis-approval .notice { margin: 0; background: var(--well); transition: opacity .25s, transform .4s var(--ease-out); }
.vis-approval.is-answered .notice { opacity: 0; transform: translateY(10px) scale(.98); pointer-events: none; }
.vis-approval__after { position: absolute; left: 50%; top: 50%; width: min(100% - 48px, 440px); display: flex; align-items: center; gap: 10px; padding: 12px 12px 12px 16px; border-radius: 16px; background: var(--well); box-shadow: inset 0 0 0 1px var(--well-outline); opacity: 0; transform: translate(-50%, -40%); pointer-events: none; transition: opacity .25s .12s, transform .45s .12s var(--ease-out); }
.vis-approval.is-answered .vis-approval__after { opacity: 1; transform: translate(-50%, -50%); pointer-events: auto; }
.vis-approval__after > .i { font-size: 16px; }
.vis-approval__after button { margin-left: auto; }

/* budget */
.bd { padding: 18px; border-radius: 16px; background: var(--surface); box-shadow: inset 0 0 0 1px var(--border), 0 24px 48px -24px rgb(0 0 0 / .8); }
.bd__top { display: flex; align-items: baseline; gap: 8px; font-variant-numeric: tabular-nums; }
.bd__spent { font: 600 26px/1 "Inter", sans-serif; letter-spacing: -.02em; }
.bd__of { color: var(--mfg); font-size: 13.5px; }
.bd__of b { color: var(--fg); font-weight: 500; }
.bd__meter { position: relative; height: 6px; margin: 14px 0 12px; border-radius: 99px; background: rgb(255 255 255 / .08); overflow: hidden; }
.bd__fill, .bd__res { position: absolute; top: 0; bottom: 0; left: 0; width: 0; border-radius: 99px; transition: width .5s var(--ease-out), left .5s var(--ease-out); }
.bd__fill { background: #f0f0f0; }
.bd__res { background: repeating-linear-gradient(-45deg, rgb(255 255 255 / .55) 0 3px, rgb(255 255 255 / .2) 3px 6px); }
.bd__calls { list-style: none; margin: 0 0 12px; padding: 0; display: grid; gap: 2px; height: 108px; overflow: hidden; }
.bd__calls li { display: flex; justify-content: space-between; gap: 10px; font-size: 12.5px; line-height: 20px; color: var(--mfg); font-variant-numeric: tabular-nums; animation: rowIn .3s var(--ease-out) both; }
.bd__calls li b { color: var(--fg); font-weight: 500; }
.bd__calls li.is-res span:last-child { color: var(--fg); }
.bd__calls li.is-stop, .bd__calls li.is-stop b { color: var(--destructive, oklch(.704 .191 22.216)); }
.bd__range { display: flex; align-items: center; gap: 12px; font-size: 12px; color: var(--mfg); padding-top: 10px; border-top: 1px solid var(--border); }
.range { flex: 1; accent-color: #f0f0f0; }

/* step details */
.det { padding: 10px 12px; border-radius: 16px; background: var(--surface); box-shadow: inset 0 0 0 1px var(--border), 0 24px 48px -24px rgb(0 0 0 / .8); }
.det .step { animation: none; cursor: pointer; }
.det .step__chev { transition: transform .25s var(--ease-out); }
#details.is-open .step__chev { transform: rotate(180deg); }
.drawer { overflow: hidden; height: 0; opacity: 0; transition: height .5s cubic-bezier(.2, 1, .3, 1), opacity .2s var(--ease); }
#details.is-open .drawer { opacity: 1; }
.rail { margin: 4px 0 8px 10px; padding: 4px 0 2px 12px; border-left: 1px solid var(--border); display: grid; gap: 10px; }
.rail ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.rail li { font-size: 12.5px; line-height: 20px; color: var(--mfg); }
.rail__out { font-size: 14px; line-height: 24px; }
.rail__out code { font: 12.5px var(--mono); background: var(--well); border-radius: 5px; padding: 1px 5px; }
.thumbs { display: flex; align-items: center; gap: 2px; margin-left: -6px; }
.thumbs__note { margin-left: 8px; font-size: 12px; color: var(--mfg); }
.thumb { width: 30px; height: 30px; border: 0; border-radius: 8px; background: none; color: var(--mfg); display: grid; place-items: center; cursor: pointer; transition: background-color .15s, color .15s, transform .15s; }
.thumb:hover { background: var(--hover); color: var(--fg); }
.thumb:active { transform: scale(.9); }
.thumb .i { font-size: 15px; }
.thumb .f { display: none; }
.thumb[aria-pressed="true"] { color: var(--fg); }
.thumb[aria-pressed="true"] .f { display: block; animation: thumbPop .35s cubic-bezier(.3, 1.6, .5, 1); }
.thumb[aria-pressed="true"] .o { display: none; }
@keyframes thumbPop { from { transform: scale(.4) rotate(-20deg); } }

/* keys */
.keys { padding: 6px; border-radius: 16px; background: var(--surface); box-shadow: inset 0 0 0 1px var(--border), 0 24px 48px -24px rgb(0 0 0 / .8); }
.key { display: grid; grid-template-columns: 30px 92px minmax(0, 1fr) 18px; align-items: center; gap: 12px; height: 52px; padding: 0 12px; }
.key + .key { box-shadow: inset 0 1px 0 var(--border); }
.key__logo { width: 30px; height: 30px; border-radius: 8px; background: #f2f2f1; color: #111; display: grid; place-items: center; }
.key__logo .i { font-size: 17px; }
.key b { font-weight: 500; }
.key__v { font: 12px var(--mono); color: var(--mfg); overflow: hidden; white-space: nowrap; }
.key__ok { color: var(--mfg); display: grid; }
.key__ok .i { font-size: 14px; }
.key--empty .key__ok { opacity: 0; transform: scale(.5); transition: opacity .25s, transform .35s cubic-bezier(.3, 1.6, .5, 1); }
.key--empty.is-saved .key__ok { opacity: 1; transform: none; }
.key__type::after { content: ""; display: inline-block; width: 1px; height: 14px; background: var(--fg); vertical-align: -2px; margin-left: 1px; animation: caret 1s steps(1) infinite; }
.key--empty.is-saved .key__type::after { display: none; }
@keyframes caret { 50% { opacity: 0; } }

/* ---------------- github */
.gh { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 56px; align-items: center; }
.gh__try { display: inline-flex; align-items: center; gap: 8px; margin: 24px 0 0; font-size: 14px; color: var(--muted); }
.gh__stage { padding: 8px; }
.win { border-radius: 18px; background: #181818; color: #f0f0f0; font: 400 13.5px/20px "Inter", sans-serif; box-shadow: inset 0 0 0 1px rgb(255 255 255 / .06);
  --mfg: oklch(.72 0 0); --border: rgb(255 255 255 / .07); --primary: oklch(.9 0 0); --primary-fg: oklch(.17 0 0); --primary-h: oklch(.95 0 0); --hover: rgb(255 255 255 / .06); }
.ghwin { overflow: hidden; }
.ghwin__repo { display: flex; align-items: center; gap: 10px; padding: 16px 16px 8px; }
.ghwin__repo b { font-weight: 500; } .ghwin__repo span:last-child { color: var(--mfg); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tile-ic { width: 28px; height: 28px; border-radius: 8px; background: #f2f2f1; color: #111; display: grid; place-items: center; flex: none; }
.tile-ic .i { font-size: 17px; }
.ghwin__tabs { display: flex; gap: 6px; padding: 4px 16px 12px; border-bottom: 1px solid var(--border); }
.ghwin__tabs span { display: inline-flex; align-items: center; gap: 6px; height: 30px; padding: 0 12px; border-radius: 99px; font-size: 13px; font-weight: 500; color: var(--mfg); }
.ghwin__tabs .is-on { background: #2a2a2a; color: #f0f0f0; }
.ghwin__list { list-style: none; margin: 0; padding: 4px 8px; min-height: 60px; }
.gi { display: grid; grid-template-columns: 22px 42px minmax(0, 1fr); gap: 2px 8px; align-items: start; padding: 10px 8px; border-radius: 12px; cursor: pointer; transition: background-color .15s; }
.gi:hover { background: rgb(255 255 255 / .04); }
.gi__box { width: 16px; height: 16px; margin-top: 2px; border-radius: 5px; border: 1.5px solid oklch(.6 0 0); display: grid; place-items: center; transition: background-color .15s, border-color .15s; }
.gi__box .i { font-size: 12px; color: #111; opacity: 0; transform: scale(.4); transition: opacity .12s, transform .25s cubic-bezier(.3, 1.6, .5, 1); }
.gi.is-sel .gi__box { background: #f0f0f0; border-color: #f0f0f0; }
.gi.is-sel .gi__box .i { opacity: 1; transform: none; }
.gi__num { color: var(--mfg); font-variant-numeric: tabular-nums; }
.gi__t { font-weight: 500; }
.gi__labels { grid-column: 3; display: flex; gap: 6px; font-size: 11.5px; color: var(--mfg); }
.gi__labels i { font-style: normal; display: inline-flex; align-items: center; gap: 5px; height: 20px; padding: 0 8px; border-radius: 99px; background: #262626; }
.gi__labels i::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--c); }
.gi.is-gone { animation: giOut .4s var(--ease) forwards; }
@keyframes giOut { to { opacity: 0; transform: translateX(16px); } }
.ghwin__bar2 { display: flex; align-items: center; gap: 10px; margin: 6px 12px 12px; height: 48px; padding: 0 8px 0 16px; border-radius: 14px; background: #242424; box-shadow: inset 0 0 0 1px rgb(255 255 255 / .06); color: var(--mfg); }
.ghwin__bar2 .pb { margin-left: auto; }
.ghwin__bar2 .pb:disabled { opacity: .4; cursor: default; }
.ghwin__runs { padding: 0 12px; display: grid; grid-template-columns: minmax(0, 1fr); gap: 2px; }
.ghwin__runs:not(:empty) { padding-bottom: 12px; }
.grun { min-width: 0; display: flex; align-items: center; gap: 10px; height: 36px; padding: 0 12px; border-radius: 12px; background: #1f1f1f; animation: rowIn .35s var(--ease-out) both; }
.grun span { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.grun small { color: var(--mfg); font-size: 12px; white-space: nowrap; }
.grun .i { font-size: 15px; color: var(--mfg); }

/* ---------------- facts bento (1px lines between cells) */
.bento { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; border-radius: 24px; overflow: hidden; background: var(--ring); box-shadow: 0 0 0 1px var(--ring); }
.cell { background: var(--card); padding: 24px; display: grid; gap: 6px; align-content: start; transition: background-color .2s; }
.cell:hover { background: #1a1a19; }
.cell .i { font-size: 18px; color: var(--ink); margin-bottom: 8px; }
.cell h3 { margin: 0; font-size: 15px; font-weight: 600; }
.cell p { margin: 0; font-size: 14px; line-height: 1.55; color: var(--ink-2); }

/* ---------------- faq (animated) */
.faq { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 48px; }
.qa { border-bottom: 1px solid var(--ring); }
.qa__q { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 20px 0; border: 0; background: none; text-align: left; font-size: 17px; font-weight: 500; cursor: pointer; }
.qa__ic { position: relative; width: 14px; height: 14px; flex: none; }
.qa__ic::before, .qa__ic::after { content: ""; position: absolute; left: 0; right: 0; top: 6px; height: 2px; border-radius: 2px; background: var(--muted); transition: transform .35s var(--ease-out), background-color .2s; }
.qa__ic::after { transform: rotate(90deg); }
.qa.is-open .qa__ic::after { transform: rotate(0deg); }
.qa.is-open .qa__ic::before, .qa.is-open .qa__ic::after { background: var(--ink); }
.qa__a { height: 0; overflow: hidden; transition: height .45s cubic-bezier(.2, 1, .3, 1); }
.qa__a p { margin: 0; padding-bottom: 20px; color: var(--ink-2); max-width: 600px; opacity: 0; transform: translateY(-6px); transition: opacity .25s, transform .4s var(--ease-out); }
.qa.is-open .qa__a p { opacity: 1; transform: none; transition-delay: .06s; }

/* ---------------- download */
.art { position: relative; aspect-ratio: 4 / 1; border-radius: 24px; overflow: hidden; background: #070707; box-shadow: inset 0 0 0 1px var(--ring); }
.art__gl { position: absolute; inset: 0; width: 100%; height: 100%; }
.art__mark { position: absolute; left: 50%; top: 50%; width: 88px; height: 88px; transform: translate(-50%, -50%); filter: invert(1); }
.dl { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 56px; margin-top: 48px; align-items: start; }
.dl__cta { justify-content: flex-start; }
.dl__steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.dl__steps li { display: grid; grid-template-columns: 32px minmax(0, 1fr); gap: 16px; padding: 20px; border-radius: 20px; background: var(--card); box-shadow: inset 0 0 0 1px var(--ring); }
.dl__n { width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; background: #f2f2f1; color: #111; font-weight: 600; font-size: 14px; }
.dl__steps h3 { margin: 4px 0 6px; font-size: 16px; font-weight: 600; }
.dl__steps p { margin: 0; color: var(--ink-2); font-size: 15px; }
.dl__steps a { color: var(--ink); text-decoration: underline; text-decoration-color: rgb(255 255 255 / .3); text-underline-offset: 3px; }
.dl__steps a:hover { text-decoration-color: currentColor; }
.code { width: 100%; display: flex; align-items: center; gap: 12px; margin-top: 4px; padding: 0 6px 0 14px; height: 44px; border: 0; border-radius: 12px; background: #0c0c0c; box-shadow: inset 0 0 0 1px var(--ring); font: 13.5px var(--mono); color: var(--ink); cursor: pointer; text-align: left; transition: box-shadow .15s; }
.code:hover { box-shadow: inset 0 0 0 1px rgb(255 255 255 / .16); }
.code > span:first-child { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.code__ic { position: relative; width: 32px; height: 32px; border-radius: 8px; display: grid; place-items: center; background: rgb(255 255 255 / .06); flex: none; }
.code__ic .i { position: absolute; font-size: 15px; transition: opacity .15s, transform .3s cubic-bezier(.3, 1.6, .5, 1); }
.code__ic .i:last-child { opacity: 0; transform: scale(.4); }
.code.is-copied .code__ic .i:first-child { opacity: 0; transform: scale(.4); }
.code.is-copied .code__ic .i:last-child { opacity: 1; transform: none; }

.foot { margin-top: 176px; padding: 28px 0 44px; border-top: 1px solid var(--ring); }
.foot__in { display: flex; flex-wrap: wrap; align-items: center; gap: 20px 32px; }
.foot nav { display: flex; gap: 24px; }
.foot nav a { color: var(--ink-2); font-size: 14px; }
.foot nav a:hover { color: var(--ink); }
.foot p { margin: 0 0 0 auto; color: var(--muted); font-size: 13px; }

/* the hero enters once on load, each part a beat after the last */
.enter { opacity: 0; transform: translateY(18px); filter: blur(6px); }
.is-loaded .enter { opacity: 1; transform: none; filter: none; transition: opacity .9s var(--ease) calc(var(--d) * 110ms + 80ms), transform 1.1s var(--ease-out) calc(var(--d) * 110ms + 80ms), filter .9s var(--ease) calc(var(--d) * 110ms + 80ms); }
.is-loaded .hero__stage.enter { transform: none; }
.hero__stage.enter { transform: translateY(40px) scale(.98); }

/* hover: cards lift, links draw their underline, icons nudge */
.card, .cell, .dl__steps li { transition: transform .35s var(--ease-out), box-shadow .35s var(--ease-out), background-color .2s; }
.card:hover { transform: translateY(-2px); box-shadow: inset 0 0 0 1px rgb(255 255 255 / .14), 0 24px 60px -30px rgb(0 0 0 / .9); }
.card__vis { transition: background-color .3s; }
.card:hover .card__vis { background-color: #1f1f1e; }
.cell:hover .i { transform: translateY(-2px); }
.cell .i { transition: transform .35s var(--ease-out); }
.dl__steps li:hover { transform: translateY(-2px); box-shadow: inset 0 0 0 1px rgb(255 255 255 / .14); }
.nav__links a { position: relative; }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0) scale(.97); }
.btn .i { transition: transform .3s var(--ease-out); }
.btn:hover .i { transform: translateY(1px); }
.btn--ghost:hover .i { transform: scale(1.08); }
.qa__q { transition: color .2s; }
.qa__q:hover { color: #fff; }
.qa__q:hover .qa__ic::before, .qa__q:hover .qa__ic::after { background: var(--ink); }

/* ---------------- responsive */
@media (max-width: 1000px) {
  .bento { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gh, .dl { grid-template-columns: minmax(0, 1fr); gap: 32px; }
}
@media (max-width: 900px) {
  .app { grid-template-columns: minmax(0, 1fr); padding: 6px; height: 600px; }
  .sb { display: none; }
  .nav__links { display: none; }
  .nav .btn { margin-left: auto; }
}
@media (max-width: 760px) {
  .cards { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .hero { padding-top: 100px; }
  .hero__stage { margin-top: 40px; }
  .app { height: 560px; border-radius: 16px; }
  .transcript { padding: 18px 14px 150px; }
  .toolbar { display: none; }
  .bubble { font-size: 14px; line-height: 21px; padding: 7px 12px; margin-bottom: 20px; }
  .step__meta { white-space: normal; }
  .answer { font-size: 14px; line-height: 24px; }
  .home__heading { transform: translateY(-96px); gap: 8px; }
  .dock { --dock-y: -120px; }
  .popover > :nth-child(n+7) { display: none; }
  .home__heading .i { font-size: 22px; }
  .sec { padding-top: 120px; }
  .sec--tight { padding-top: 96px; }
  .foot { margin-top: 120px; }
  .dock { padding: 0 10px 10px; }
  .home__heading { font-size: 20px; }
  .card__vis { height: 300px; padding: 14px; }
  .faq { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .bento { grid-template-columns: minmax(0, 1fr); }
  .settings-pill span { display: none; }
  .popover { right: 0; width: min(288px, calc(100vw - 40px)); }
  .art { aspect-ratio: 2 / 1; }
  .art__mark { width: 64px; height: 64px; }
  .key { grid-template-columns: 30px 80px minmax(0, 1fr) 18px; gap: 8px; }
  .foot p { margin: 0; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .enter { opacity: 1; transform: none; filter: none; }
}