/* Trace — V1 Trail (round 2).
   The line is the layout: a 2 px ink trail with a Tangerine head lives in the page margins, sweeps across
   the white between sections and docks into one anchor per section. Every kit diagram is greyed so the
   trail is the only ink line you follow. Switzer + Roboto Serif Light (three phrases), White/Ink,
   Tangerine (head, docks, the marker) and Sky (washes inside the product). */

:root {
  --font-sans: 'Switzer', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-serif: 'Roboto Serif', Georgia, serif;
  --font-mono: 'Switzer', ui-sans-serif, system-ui, sans-serif; /* V1 = two families: annotations are Switzer tnum */

  --side: 112px;            /* page margin: the trail lives in it */
  --wrap: 1216px;
  --col-gap: 24px;
  --sec-y: 120px;
  --h1: clamp(46px, 6.6vw, 96px);
  --h2: clamp(34px, 4.15vw, 60px);
  --trail: var(--ink);
  --trail-w: 2px;
  --head: var(--tangerine);
  --diagram: #C9C6BF;       /* every kit stroke, so the trail is the one ink line */

  /* kit */
  --tr-accent: var(--sky);
  --tr-accent-ink: var(--sky-ink);
  --tr-dot: var(--tangerine);
  --tr-edge: var(--diagram);
}

html { scroll-behavior: smooth; scroll-padding-top: 72px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  position: relative;
  overflow-x: clip;
  font-family: var(--font-sans);
  font-size: 17px; line-height: 1.55; font-weight: 400;
  color: var(--ink); background: var(--white);
}
:where(h1, h2, h3, p, figure, blockquote) { margin: 0; }
/* only V1's own lists: the kit keeps its paddings (F01) */
:where(.v1-premise__lines, .v1-caps__list, .v1-foot__links) { list-style: none; margin: 0; padding: 0; }
a { color: inherit; }
::selection { background: color-mix(in srgb, var(--sky) 60%, transparent); }

.v1-wrap { width: min(var(--wrap), 100% - 2 * var(--side)); margin-inline: auto; position: relative; z-index: 2; }
.v1-serif {
  font-family: var(--font-serif); font-weight: 300; font-stretch: 88%;
  font-variation-settings: "opsz" 60; letter-spacing: -.012em;
}
.v1-skip { position: absolute; left: 12px; top: -60px; z-index: 100; padding: 10px 14px; border-radius: 8px; background: var(--ink); color: var(--white); text-decoration: none; font-size: 14px; }
.v1-skip:focus { top: 12px; }

/* ---------------- type ---------------- */
.v1-h1 { font-size: var(--h1); line-height: .96; font-weight: 400; letter-spacing: -.028em; }
.v1-h1 .v1-serif { letter-spacing: -.03em; }
.v1-h2 { font-size: var(--h2); line-height: 1.02; font-weight: 400; letter-spacing: -.025em; }
.v1-display { font-size: clamp(42px, 7vw, 100px); line-height: .98; font-weight: 400; letter-spacing: -.03em; }
/* one label system for the brief's eyebrows */
.v1-eyebrow, .v1-cap__n {
  font-size: 12px; line-height: 1.3; font-weight: 500; letter-spacing: .09em; color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.v1-eyebrow { margin-bottom: 20px; }
.v1-lead { font-size: 20px; line-height: 1.45; letter-spacing: -.006em; color: var(--graphite); text-wrap: pretty; }
.v1-body { font-size: 19px; line-height: 1.5; letter-spacing: -.004em; color: var(--graphite); max-width: 24em; text-wrap: pretty; }

/* ---------------- buttons ---------------- */
.v1-btn {
  display: inline-flex; align-items: center; gap: 10px; height: 50px; padding: 0 24px;
  border-radius: 999px; background: var(--ink); color: var(--white);
  font-size: 15px; font-weight: 500; letter-spacing: -.003em; text-decoration: none; white-space: nowrap;
  box-shadow: 0 1px 0 rgb(255 255 255 / .12) inset, 0 6px 14px -8px rgb(17 17 17 / .5);
  transition: transform var(--t-fast) var(--ease-out), box-shadow var(--t-fast) var(--ease-out), background-color var(--t-fast);
}
.v1-btn:hover { transform: translateY(-1px); }
.v1-btn:active { transform: translateY(0); box-shadow: none; }
.v1-btn .v1-arr { display: inline-block; transition: transform var(--t) var(--ease-out); }
.v1-btn:hover .v1-arr { transform: translateX(3px); }
.v1-btn--ghost { background: rgb(255 255 255 / .7); color: var(--ink); box-shadow: inset 0 0 0 1px rgb(17 17 17 / .14); }
.v1-btn--ghost:hover { background: var(--white); }
.v1-btn--light { background: var(--white); color: var(--ink); box-shadow: none; }
.v1-btn--s { height: 38px; padding: 0 16px; font-size: 14px; box-shadow: none; }
.v1-btn:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; border-radius: 999px; }
.v1-btn--light:focus-visible { outline-color: var(--white); }

/* ---------------- nav ---------------- */
.v1-nav { position: fixed; inset: 0 0 auto; z-index: 40; transition: transform 420ms var(--ease-out), background-color 240ms var(--ease-out), box-shadow 240ms var(--ease-out); }
.v1-nav__in { display: flex; align-items: center; gap: 40px; height: 68px; width: min(var(--wrap), 100% - 2 * var(--side)); margin-inline: auto; }
.v1-nav.is-solid { background: var(--white); box-shadow: 0 1px 0 var(--line); }
.v1-nav.is-hidden { transform: translateY(-100%); }
.v1-nav.is-dark { background: var(--ink); box-shadow: 0 1px 0 #262626; color: var(--white); }
.v1-nav__brand { display: inline-flex; color: inherit; text-decoration: none; border-radius: 6px; }
.v1-nav__brand .tr-logo__mark circle:last-child { stroke: var(--tangerine); }
.v1-nav__links { display: flex; gap: 28px; font-size: 14.5px; }
.v1-nav__links a, .v1-nav__signin { text-decoration: none; color: inherit; opacity: .78; transition: opacity var(--t-fast); border-radius: 4px; }
.v1-nav__links a:hover, .v1-nav__signin:hover { opacity: 1; }
.v1-nav__end { margin-left: auto; display: flex; align-items: center; gap: 22px; font-size: 14.5px; }
.v1-nav.is-dark .v1-btn--s { background: var(--white); color: var(--ink); }
.v1-nav__menu { display: none; }
.v1-menu { display: none; }
tr-logo:not(.tr-ui) { display: inline-flex; align-items: center; gap: .3em; font-size: 20px; font-weight: 500; letter-spacing: -.025em; line-height: 1; }
tr-logo:not(.tr-ui) svg { width: 1.06em; height: 1.06em; }

/* ---------------- photo plates ---------------- */
.v1-plate { position: absolute; inset: 0; z-index: 0; overflow: hidden; background: var(--paper); }
.v1-plate img { width: 100%; height: 100%; object-fit: cover; max-width: none; }

/* ---------------- sections ---------------- */
main > section { position: relative; }
.v1-sec { padding-block: var(--sec-y); }
.v1-split { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--col-gap); align-items: end; }
.v1-split > :first-child { grid-column: 1 / 8; }
.v1-split > :last-child { grid-column: 9 / -1; padding-bottom: 6px; }

/* 01 hero — centred: type, then one glass query; answer and sources hang under it */
.v1-hero { background: var(--white); }
.v1-hero__plate { background: var(--white); }
.v1-hero__plate img { width: 150%; height: 150%; object-position: 0 0; filter: saturate(1.7) contrast(1.05) brightness(1.03); }
.v1-hero__plate::after { /* §09: extremely pale light shifting into white */
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(rgb(255 255 255 / .15) 0%, rgb(255 255 255 / .05) 30%, rgb(255 255 255 / .35) 70%, #fff 100%);
}
.v1-hero__in { display: flex; flex-direction: column; align-items: center; text-align: center; padding-top: clamp(100px, 11.5vh, 112px); padding-bottom: 88px; }
.v1-hero .v1-lead { max-width: 32em; margin-top: 22px; }
.v1-ctas { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 24px; }
.v1-hero__ask { width: min(640px, 100%); margin-top: 40px; text-align: left; --tr-scale: 1.04; min-height: 404px; }
.v1-hero__ask .tr-ask__panel { background: none; box-shadow: none; }
.v1-hero__ask .tr-ask__query {
  width: fit-content; max-width: 100%; margin-inline: auto; min-height: 58px; padding: 8px 40px 8px 20px; gap: 12px;
  border-radius: 999px; background: rgb(255 255 255 / .8);
  -webkit-backdrop-filter: blur(18px) saturate(1.25); backdrop-filter: blur(18px) saturate(1.25);
  box-shadow: 0 0 0 1px rgb(255 255 255 / .7) inset, 0 0 0 1px rgb(17 17 17 / .07), 0 18px 40px -18px rgb(80 70 110 / .35);
}
.v1-hero__ask .tr-ask__query::after { display: none; }
.v1-hero__ask :is(.tr-ask__hint, .tr-ask__send) { display: none; }
.v1-hero__ask .tr-ask__bar { left: 28px; right: 28px; }
.v1-hero__ask .tr-ask__q { font-size: 17px; }
.v1-hero__ask .tr-ask__inner { padding: 0 2px; }
.v1-hero__ask .tr-ask__status { padding-top: 22px; }
.v1-hero__ask .tr-ask__answer { font-size: 19px; }
.v1-hero__ask .tr-ask__sources { margin-top: 18px; }
.v1-hero__ask .tr-ask__list { border-top-color: rgb(17 17 17 / .1); }
.v1-hero__ask .tr-src { border-bottom-color: rgb(17 17 17 / .1); }
.v1-hero__ask .tr-src__btn:hover, .v1-hero__ask .tr-src__btn.is-lit { background: rgb(255 255 255 / .75); }

/* 02 problem — one full-width line, the premise under it */
.v1-problem { padding-top: calc(var(--sec-y) + 24px); padding-bottom: 56px; }
.v1-premise { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--col-gap); margin-top: 44px; font-size: 16px; line-height: 1.5; }
.v1-premise__lead { grid-column: 1 / 5; font-weight: 500; }
.v1-premise__lines { grid-column: 5 / -1; display: grid; grid-template-columns: 1fr 1fr; gap: 6px var(--col-gap); color: var(--muted-2); }
.v1-premise__close { grid-column: 1 / 5; grid-row: 2; margin-top: 6px; }
.v1-chain { margin-top: 64px; height: 380px; --tr-chain-bg: var(--white); }
.v1-chain .tr-chain__edge, .v1-chain .tr-chain__head { stroke: var(--diagram); }
.v1-chain .tr-chain__edge.is-dashed { stroke: #B4B1AA; }
.v1-chain .tr-chain__dot { fill: #8E8B84; }
.v1-chain .tr-chain__dot.is-late { fill: var(--white); stroke: #8E8B84; }
.v1-chain .tr-chain__node[data-i="0"] { translate: 96px 0; }   /* label clear of the dock */
.v1-chain .tr-chain__dot:first-of-type { fill: var(--ink); }
.v1-chain .tr-chain__dot { transition: fill 400ms; }
.v1-chain .tr-chain__dot.v1-dock { fill: var(--tangerine); }
.v1-chain .tr-chain__node { transition: background-color 400ms var(--ease-out); }
.v1-chain .tr-chain__node.v1-dock { background: color-mix(in srgb, var(--tangerine) 16%, var(--white)); }

/* 03 fragments — compressed; the trail runs through the hub */
.v1-frag { padding-top: 80px; padding-bottom: 88px; }
.v1-fragments { margin-top: 32px; height: 470px; }
.v1-fragments .tr-frag__line, .v1-fragments .tr-frag__link { stroke: var(--diagram); opacity: 1; }
.v1-fragments .tr-frag__note { translate: -14px 30px; }
.v1-fragments .tr-frag__hub { transition: box-shadow 500ms var(--ease-out); }
.v1-fragments .tr-frag__hub.v1-dock { box-shadow: 0 0 0 5px color-mix(in srgb, var(--tangerine) 38%, transparent); }

/* 04 demo — the panel sits against the line in the right margin */
.v1-demo { padding-top: 104px; }
.v1-demo__grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--col-gap); align-items: start; }
.v1-demo__head { grid-column: 1 / 10; grid-row: 1; padding-bottom: 48px; }
.v1-know { grid-column: 1 / 3; grid-row: 2; padding-top: 4px; }
.v1-demo__ask { grid-column: 3 / -1; grid-row: 2; --tr-scale: 1.12; }
.v1-demo__ask .tr-ask__panel--plain { box-shadow: 0 0 0 1px var(--line), 0 1px 2px rgb(17 17 17 / .04), 0 30px 60px -30px rgb(17 17 17 / .14); }
.v1-know__crumb { font-size: 14px; color: var(--muted); }
.v1-know__crumb b { font-weight: 500; color: var(--ink); }
.v1-know__upd { margin-top: 2px; font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }
.v1-know__nums { margin-top: 22px; }
.v1-know__nums .tr-kn__nums { grid-template-columns: minmax(0, 1fr); gap: 0; }
.v1-know__nums .tr-kn__num { padding: 10px 0 12px; border-left: 0; border-top: 1px solid var(--line); }
.v1-know__nums .tr-kn__v { font-size: 44px; line-height: 1; letter-spacing: -.04em; }
.v1-know__nums .tr-kn__num dt { margin-top: 6px; font-size: 12px; }

/* 05 texture — copy in the pale fog band, the walker to the right */
.v1-texture { min-height: clamp(720px, 100svh, 900px); display: flex; color: var(--ink); }
.v1-texture__plate img { object-position: 0% 62%; }
.v1-texture__plate::after { /* lift the fog behind the copy a touch (AA on the body) */
  content: ""; position: absolute; inset: 0 auto 0 0; width: 62%;
  background: radial-gradient(90% 60% at 18% 30%, rgb(236 232 234 / .7), rgb(236 232 234 / 0) 72%);
}
.v1-texture__copy { padding-top: 112px; padding-bottom: 96px; }
.v1-statement { font-size: clamp(46px, 7.2vw, 104px); line-height: .98; font-weight: 400; letter-spacing: -.03em; color: #0d0d0c; }
.v1-statement .v1-serif { letter-spacing: -.035em; }
.v1-texture__body { margin-top: 26px; max-width: 22em; font-size: 19px; line-height: 1.5; color: #121211; }

/* 06 map — nothing pinned at rest; the example is a button that pins it */
.v1-ctxmap { margin-top: 40px; aspect-ratio: 16 / 7.6; }
.v1-map__foot { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 8px; }
.v1-ctxmap .tr-mapl__item { transition: background-color 400ms; }
.v1-ctxmap .tr-mapl__item.v1-dock { background: color-mix(in srgb, var(--tangerine) 12%, var(--white)); }
.v1-conn__card .tr-conn__link--also { transition: background-color 400ms; border-radius: 6px; }
.v1-conn__card .tr-conn__link--also.v1-dock { background: color-mix(in srgb, var(--tangerine) 14%, transparent); }
.v1-example {
  justify-self: start; display: grid; grid-template-columns: auto auto; column-gap: 10px; align-items: center; text-align: left;
  padding: 12px 16px 13px 14px; border: 1px solid var(--line); border-radius: 12px; background: var(--white); cursor: pointer;
  font: inherit; color: inherit; transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.v1-example:hover, .v1-example[aria-pressed=true] { border-color: var(--ink); }
.v1-example:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
.v1-example__g { grid-row: span 3; width: 20px; height: 20px; border-radius: 50%; border: 1px solid var(--ink); display: grid; place-items: center; }
.v1-example__g::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--ink); }
.v1-example__t { font-size: 15px; font-weight: 500; line-height: 1.3; }
.v1-example__m { grid-column: 2; font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }
.v1-example__g { grid-row: span 2; }
.v1-mapmore { display: none; }

/* 07 evidence — the trail is the connector (the kit's is hidden) */
.v1-evidence { padding-top: 112px; }
.v1-sv { margin-top: 48px; }
.v1-sv .tr-sv__svg { display: none !important; }
.v1-sv .tr-sv__claim { box-shadow: 0 0 0 1px var(--line); }
.v1-sv.is-split .tr-sv__grid { align-items: start; }
.v1-sv.is-split .tr-sv__claim { margin-top: 64px; }

/* 08 connection — a person in the reeds; the trail links the card back to Jun 24 */
.v1-conn { min-height: clamp(720px, 92svh, 840px); display: flex; }
.v1-conn__plate img { object-position: 50% 30%; }
.v1-conn__plate::after { content: ""; position: absolute; inset: 0 0 auto; height: 46%; background: linear-gradient(rgb(255 255 255 / .35), rgb(255 255 255 / 0)); }
.v1-conn__grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--col-gap); grid-template-rows: auto 1fr; padding-block: 120px 96px; align-items: start; }
.v1-conn__h { grid-column: 1 / 8; grid-row: 1; }
.v1-conn__card { grid-column: 8 / -1; grid-row: 1 / 3; align-self: start; margin-top: 168px; }
.v1-conn__card .tr-conn.tr-glass {
  box-shadow: 0 0 0 1px rgb(255 255 255 / .6) inset, 0 1px 0 rgb(255 255 255 / .95) inset,
    0 22px 48px -18px rgb(110 80 40 / .35), 0 60px 90px -40px rgb(110 80 40 / .25);
}
.v1-jun {
  grid-column: 1 / 5; grid-row: 2; align-self: end; max-width: 330px; margin-left: 40px;
  padding: 14px 16px 15px; border-radius: 10px; background: var(--white);
  box-shadow: 0 1px 2px rgb(17 17 17 / .08), 0 16px 32px -16px rgb(60 40 10 / .4);
  transition: opacity 360ms var(--ease-out), box-shadow 400ms var(--ease-out);
}
.v1-jun.v1-dock { box-shadow: 0 0 0 3px color-mix(in srgb, var(--tangerine) 45%, transparent), 0 16px 32px -16px rgb(60 40 10 / .4); }
.v1-jun.is-away { opacity: 0; pointer-events: none; }
.v1-jun__date { font-size: 12px; font-weight: 500; letter-spacing: .02em; font-variant-numeric: tabular-nums; color: var(--muted); }
.v1-jun__name { margin-top: 4px; font-size: 14px; font-weight: 500; }
.v1-jun__q { margin-top: 6px; font-size: 14.5px; line-height: 1.45; color: var(--graphite); }

/* 09 capabilities — oversized numerals are stations on the line */
.v1-caps { padding-top: 104px; padding-bottom: 96px; }
.v1-caps__list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); grid-template-rows: auto auto auto auto; column-gap: var(--col-gap); }
.v1-cap { display: grid; grid-template-rows: subgrid; grid-row: span 4; align-content: start; }
.v1-cap__num {
  justify-self: start; position: relative; z-index: 2; margin-left: -6px; padding: 0 10px 0 6px; background: var(--white);
  font-size: clamp(64px, 7.8vw, 112px); line-height: .9; font-weight: 300; letter-spacing: -.05em; font-variant-numeric: tabular-nums;
}
.v1-cap__n { margin-top: 18px; }
.v1-cap__n span { color: var(--ink); }
.v1-cap__line { margin-top: 12px; font-size: 22px; line-height: 1.25; font-weight: 400; letter-spacing: -.012em; text-wrap: balance; max-width: 18em; }
.v1-cap__fig { position: relative; margin-top: 28px; }
.v1-cap__plate { position: relative; aspect-ratio: 389 / 400; overflow: hidden; border-radius: 4px; background: var(--paper); }
.v1-cap__plate img { width: 100%; height: 100%; object-fit: cover; }
.v1-cap__ui { position: absolute; left: 18px; right: 18px; bottom: 18px; }
.v1-cap__ui--recall .tr-doc { box-shadow: 0 1px 2px rgb(17 17 17 / .06), 0 18px 36px -18px rgb(17 17 17 / .32); }
.v1-cap--plain .v1-cap__fig { display: flex; flex-direction: column; justify-content: center; aspect-ratio: 389 / 400; border-radius: 4px; background: var(--paper); padding: 0 22px; }
.v1-cap__ui--connect { position: static; padding: 6px 14px 2px; border-radius: 14px; background: var(--white); box-shadow: 0 0 0 1px var(--line), 0 18px 36px -24px rgb(17 17 17 / .25); }
.v1-cap__ui--connect .tr-sources__list { border-top: 0; }
.v1-cap__ui--connect .tr-src:last-child { border-bottom: 0; }
.v1-cap__ui--reason { left: auto; width: 84%; --tr-scale: .92; }
.v1-cap__ui--reason .tr-ask__panel--plain { box-shadow: 0 18px 36px -18px rgb(17 17 17 / .45); }
.v1-cap__ui--reason .tr-ask__body { display: none; }
.v1-cap__plate img[src*="hands-writing"] { object-position: 36% 50%; }
.v1-cap__plate img[src*="reading-window"] { object-position: 40% 25%; }

/* 10 integrations — lines converging; the trail is one of them */
.v1-int { padding-top: 112px; padding-bottom: 128px; }
.v1-int .v1-h2 { font-size: clamp(32px, 3.6vw, 52px); }
.v1-integrations { margin-top: 72px; margin-left: calc((100% + var(--col-gap)) / 12 * 2); }
.v1-integrations .tr-int__line, .v1-integrations .tr-int__out { stroke: var(--diagram); }
.v1-integrations .tr-int__line.is-hot { stroke: var(--ink); }
.v1-integrations .tr-int__hub { transition: box-shadow 500ms var(--ease-out); }
.v1-integrations .tr-int__hub.v1-dock { box-shadow: 0 0 0 5px color-mix(in srgb, var(--tangerine) 38%, transparent); }

/* 11 finale */
.v1-finale { background: var(--ink); color: var(--white); padding-top: 128px; padding-bottom: 32px; }
.v1-finale__top { display: flex; align-items: flex-end; justify-content: space-between; gap: 48px; flex-wrap: wrap; }
.v1-finale__h { font-size: var(--h2); line-height: 1.04; font-weight: 400; letter-spacing: -.025em; }
.v1-finale__top .v1-btn { margin-bottom: 8px; }
.v1-wordmark { margin-top: 84px; width: 101.523%; margin-left: -0.761%; color: var(--white); --wordmark-solid: var(--white); font-weight: 500; }

/* footer */
.v1-foot { background: var(--ink); color: var(--muted-dark); font-size: 14px; padding-block: 56px 72px; }
.v1-foot__grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--col-gap); align-items: start; padding-top: 32px; border-top: 1px solid #2B2B2A; }
.v1-foot__brand { grid-column: 1 / 5; color: var(--white); }
.v1-foot__brand p { margin-top: 10px; color: var(--muted-dark); }
.v1-foot__links { grid-column: 6 / 11; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 24px; }
.v1-foot__links a { text-decoration: none; color: var(--muted-dark); border-radius: 4px; }
.v1-foot__links a:hover { color: var(--white); }
.v1-foot__legal { grid-column: 11 / -1; justify-self: end; font-variant-numeric: tabular-nums; }
.v1-foot a:focus-visible, .v1-finale a:focus-visible { outline-color: var(--white); }

/* ---------------- the trail ---------------- */
.v1-trail { position: absolute; left: 0; top: 0; width: 100%; height: 0; z-index: 6; pointer-events: none; }
.v1-trail .t-defs { position: absolute; width: 0; height: 0; overflow: hidden; }
.v1-trail .t-chunk { position: absolute; left: 0; top: 0; overflow: visible; }
.v1-trail .t-line { fill: none; stroke: var(--trail); stroke-width: var(--trail-w); stroke-linecap: round; stroke-linejoin: round; }
.v1-trail .t-light { fill: none; stroke: rgb(255 255 255 / .9); stroke-width: var(--trail-w); stroke-linecap: round; stroke-linejoin: round; }
.v1-trail .t-marker { fill: var(--tangerine); opacity: .94; }
.v1-trail .t-stop {
  position: absolute; left: -5.5px; top: -5.5px; width: 11px; height: 11px; border-radius: 50%; box-sizing: border-box;
  background: var(--white); border: 2px solid var(--trail); scale: 0;
  transition: scale 360ms var(--ease-out), background-color 400ms;
}
.v1-trail .t-stop.on { scale: 1; }
.v1-trail .t-stop.dock { left: -8px; top: -8px; width: 16px; height: 16px; background: transparent; border-width: 2px; }
.v1-trail .t-stop.dock.docking { border-color: var(--tangerine); background: color-mix(in srgb, var(--tangerine) 22%, transparent); scale: 1.5; }
.v1-trail .t-stop.origin { left: -6px; top: -6px; width: 12px; height: 12px; background: var(--trail); }
.v1-trail .t-stop.end { left: -4px; top: -4px; width: 8px; height: 8px; border: 0; background: var(--trail); }
.v1-trail .t-stop.lift { left: -3px; top: -3px; width: 6px; height: 6px; border: 0; background: var(--trail); }
.v1-trail .t-stop.dark { background: var(--ink); border-color: var(--white); }
.v1-trail .t-head { position: absolute; left: 0; top: 0; width: 0; height: 0; will-change: transform; transition: opacity 220ms var(--ease-out); }
.v1-trail .t-head i { position: absolute; border-radius: 50%; }
.v1-trail .t-head .dot { left: -5.5px; top: -5.5px; width: 11px; height: 11px; background: var(--head); box-shadow: 0 0 0 2px var(--white); }
.v1-trail .t-head .ring { left: -11px; top: -11px; width: 22px; height: 22px; border: 1.5px solid var(--head); opacity: .4; box-sizing: border-box; }
.v1-trail .t-head.off { opacity: 0; }
.v1-trail .t-head.pulse .ring { animation: v1-ping 1.7s var(--ease-out) 2 .2s; }
@keyframes v1-ping { 0% { transform: scale(.6); opacity: .7; } 100% { transform: scale(2.4); opacity: 0; } }

/* the trail lights the source rows it passes */
.tr-src.v1-lit .tr-src__btn { background: rgb(255 255 255 / .8); }
.v1-demo__ask .tr-src.v1-lit .tr-src__btn { background: var(--tr-surface-2); }
.tr-src.v1-lit .tr-src__n { background: var(--tr-accent); color: var(--tr-text); }

/* quiet layer: reveals */
.v1-rv { opacity: 0; transform: translateY(14px); transition: opacity 760ms var(--ease-reveal), transform 960ms var(--ease-reveal); }
.v1-rv.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .v1-rv { opacity: 1; transform: none; } .v1-trail .t-head.pulse .ring { animation: none; } }
.is-still .v1-nav { transition: none; }

/* ---------------- 900–1199 ---------------- */
@media (max-width: 1199px) {
  :root { --side: 72px; --sec-y: 104px; }
  .v1-integrations { margin-left: 0; }
}

/* ---------------- mobile ---------------- */
@media (max-width: 899px) {
  :root { --side: 24px; --sec-y: 80px; --h2: clamp(32px, 8.4vw, 44px); --h1: clamp(44px, 12vw, 60px); --trail-w: 1.75px; }
  body { font-size: 16px; }
  .v1-nav__in { width: auto; margin: 0 24px; gap: 16px; height: 60px; }
  .v1-nav__links, .v1-nav__signin { display: none; }
  .v1-nav__end { gap: 10px; }
  .v1-nav__menu {
    display: inline-flex; flex-direction: column; justify-content: center; align-items: center; gap: 5px;
    width: 44px; height: 44px; margin-right: -10px; padding: 0; border: 0; border-radius: 50%; background: none; color: inherit; cursor: pointer;
  }
  .v1-nav__menu i { display: block; width: 18px; height: 1.5px; background: currentColor; transition: transform 280ms var(--ease-out); }
  .v1-nav__menu[aria-expanded=true] i:first-of-type { transform: translateY(3.25px) rotate(45deg); }
  .v1-nav__menu[aria-expanded=true] i:last-of-type { transform: translateY(-3.25px) rotate(-45deg); }
  .v1-menu:not([hidden]) { display: grid; padding: 8px 24px 18px; background: var(--white); box-shadow: 0 1px 0 var(--line); }
  .v1-menu a { display: flex; align-items: center; min-height: 48px; font-size: 20px; text-decoration: none; border-bottom: 1px solid var(--line); }
  .v1-nav.is-open { background: var(--white); color: var(--ink); }

  .v1-split, .v1-premise, .v1-conn__grid { display: block; }
  .v1-demo__grid { display: flex; flex-direction: column; align-items: stretch; }
  .v1-know { order: 3; }
  .v1-display br { display: none; }
  .v1-display { font-size: clamp(40px, 11vw, 52px); }
  .v1-example { display: none; }
  .v1-split > :last-child { margin-top: 20px; padding-bottom: 0; }
  .v1-eyebrow { margin-bottom: 14px; }
  .v1-lead { font-size: 18px; }
  .v1-body { font-size: 17px; }

  .v1-hero__plate img { width: 100%; height: 100%; object-position: 0 0; }
  .v1-hero__in { padding-top: 100px; padding-bottom: 64px; }
  .v1-hero .v1-lead { margin-top: 20px; }
  .v1-ctas .v1-btn { height: 48px; padding: 0 20px; }
  .v1-hero__ask { margin-top: 40px; --tr-scale: 1; }
  .v1-hero__ask .tr-ask__query { width: 100%; border-radius: 22px; padding: 10px 18px 10px 16px; }
  .v1-hero__ask .tr-ask__q { font-size: 16px; }
  .v1-hero__ask .tr-ask__answer { font-size: 17px; }

  .v1-premise { margin-top: 28px; }
  .v1-premise__lines { display: grid; grid-template-columns: 1fr; margin-top: 12px; }
  .v1-premise__close { margin-top: 12px; }
  .v1-chain { margin-top: 40px; height: 520px; }
  .v1-chain .tr-chain__node[data-i="0"] { translate: none; }
  .v1-frag { padding-top: 72px; padding-bottom: 64px; }
  .v1-fragments { margin-top: 32px; height: auto; }
  .v1-demo { padding-top: 72px; }
  .v1-demo__head { padding-bottom: 32px; }
  .v1-demo__ask { --tr-scale: 1; }
  .v1-know { margin-top: 32px; }
  .v1-know__nums .tr-kn__nums { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 20px; }
  .v1-know__nums .tr-kn__num:first-child { grid-column: 1 / -1; }
  .v1-know__nums .tr-kn__v { font-size: 38px; }

  .v1-texture { display: block; min-height: 0; }
  .v1-texture__plate { bottom: auto; height: 620px; }
  .v1-texture__plate img { object-position: 54% 50%; }
  .v1-texture__plate::after { width: 100%; background: linear-gradient(rgb(236 232 234 / .55), rgb(236 232 234 / 0) 45%); }
  .v1-texture__copy { display: grid; grid-template-rows: 552px auto; align-items: start; padding-top: 68px; padding-bottom: 8px; }
  .v1-statement { font-size: clamp(44px, 12.6vw, 60px); }
  .v1-texture__body { margin-top: 32px; font-size: 17px; max-width: 21em; color: var(--graphite); }

  .v1-ctxmap { margin-top: 32px; aspect-ratio: auto; }
  .v1-ctxmap:not(.is-all) .tr-mapl__group:not(:first-child) { display: none; }
  .v1-mapmore:not([hidden]) {
    display: inline-flex; align-items: center; height: 44px; padding: 0 18px; border: 1px solid var(--line); border-radius: 999px;
    background: var(--white); font: inherit; font-size: 15px; font-weight: 500; color: var(--ink); cursor: pointer;
  }
  .v1-evidence { padding-top: 72px; }
  .v1-sv { margin-top: 32px; }

  .v1-conn { min-height: 0; }
  .v1-conn__plate img { object-position: 46% 40%; }
  .v1-conn__grid { padding-block: 80px 72px; }
  .v1-conn__card { margin-top: 40px; }
  .v1-jun { margin: 40px 0 0; }

  .v1-caps { padding-top: 72px; padding-bottom: 64px; }
  .v1-caps__list { grid-template-columns: minmax(0, 1fr); grid-template-rows: none; row-gap: 40px; }
  .v1-cap { display: block; }
  .v1-cap__num { font-size: 64px; }
  .v1-cap__line { font-size: 21px; }
  .v1-cap__fig { margin-top: 20px; }
  .v1-cap__plate { aspect-ratio: 4 / 3.1; }
  .v1-cap--plain .v1-cap__fig { aspect-ratio: auto; padding: 22px 18px; }

  .v1-int { padding-top: 64px; padding-bottom: 72px; }
  .v1-integrations { margin-top: 40px; }

  .v1-finale { padding-top: 80px; }
  .v1-finale__h { font-size: clamp(34px, 9.4vw, 44px); }
  .v1-wordmark { margin-top: 64px; }
  .v1-foot__grid { grid-template-columns: 1fr 1fr; row-gap: 28px; }
  .v1-foot__brand, .v1-foot__links, .v1-foot__legal { grid-column: 1 / -1; justify-self: start; }
}