/* Operator Multiplier site styles, v7.
   Tokens are copied from brand/tokens.css (the design system); stylesheet-only values
   from brand/tokens.md. Mobile first: base styles for small screens, min-width queries up.
   The look: light and dark sections with straight edges, square corners (4px at most),
   no shadows, straight arrows only, a fine grain over everything. */

/* ---------- Tokens ---------- */
:root {
  --color-base: #FBFBFA;
  --color-text: #1B1D20;
  --color-slate: #3A3F45;
  --color-mist: #E4E7E6;
  --color-dark: #16191C;
  --color-raised: #1F2428;
  --color-dark-alt: #191D20;
  --color-mint: #A1DE83;
  --color-lamp: #FEC324;
  --color-signal: #E21B0A;
  --color-white: #FFFFFF;
  --color-text-dark-bg: #F1F2F0;
  --tint-dark-ring: #262C31;
  --tint-mint-ring: #92D473;
  --tint-lamp-ring: #F2B712;
  --tint-signal-ring: #C41808;
  --chain-light: #C5CAC8;
  --chain-dark: #3A4147;

  --radius-sm: 4px;
  --space-1: 4px; --space-2: 8px; --space-3: 12px; --space-4: 16px;
  --space-5: 24px; --space-6: 32px; --space-7: 48px; --space-8: 64px;
  --space-9: 96px; --space-10: 128px;
  --font-body: "DM Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: "Instrument Serif", Georgia, serif;
  --fw-body: 300; --fw-ui: 400; --fw-button: 500; --fw-label: 600;

  --fs-hero: clamp(42px, 5.52vw, 80px);
  --fs-h2: clamp(31px, 3.5vw, 51px);
  --fs-h3: clamp(17px, 1.3vw, 19px);
  --fs-lead: clamp(16.5px, 1.2vw, 18px);
  --fs-body: 15.5px;
  --fs-small: 14px;
  --fs-label: 12.5px;

  --container-max: 1160px;
  --container-wide: 1400px;
  --gutter: clamp(16px, 4vw, 40px);
  --section-pad: clamp(80px, 8.4vw, 128px);
  --head-gap: clamp(40px, 4.2vw, 60px);
  --ease: cubic-bezier(0.2, 0, 0.1, 1);
}

/* Each ground sets the colours its content uses */
:root, .ground-dark, .ground-dark-alt {
  --fg: var(--color-text-dark-bg);
  --fg-soft: rgba(241, 242, 240, 0.78);
  --fg-muted: rgba(241, 242, 240, 0.62);
  --hairline: rgba(241, 242, 240, 0.12);
  --hairline-strong: rgba(241, 242, 240, 0.2);
  --link: var(--color-mint);
  --link-hover: var(--color-lamp);
  --dot: rgba(241, 242, 240, 0.085);
}
.ground-light, .ground-mist {
  --fg: var(--color-text);
  --fg-soft: var(--color-slate);
  --fg-muted: rgba(27, 29, 32, 0.62);
  --hairline: var(--color-mist);
  --hairline-strong: rgba(27, 29, 32, 0.24);
  --link: var(--color-slate);
  --link-hover: var(--color-text);
  --dot: rgba(27, 29, 32, 0.09);
}
.ground-mist { --hairline: rgba(27, 29, 32, 0.12); }
.ground-dark { background: var(--color-dark); color: var(--fg); }
.ground-dark-alt { background: var(--color-dark-alt); color: var(--fg); }
.ground-light { background: var(--color-base); color: var(--fg); }
.ground-mist { background: var(--color-mist); color: var(--fg); }

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--color-base);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: var(--fw-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
/* Fine grain over the whole page so the flat grounds read as paper, not plastic */
body::after {
  content: ""; position: fixed; inset: 0; z-index: 60; pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.5 0 0 0 0 0.5 0 0 0 0 0.5 0 0 0 1.2 -0.1'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
img, svg { display: block; max-width: 100%; }
h1, h2, h3, h4, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: var(--link); }
a:hover { color: var(--link-hover); }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--color-signal); outline-offset: 3px; border-radius: var(--radius-sm); }
.ground-dark :focus-visible, .ground-dark-alt :focus-visible, .site-footer :focus-visible { outline-color: var(--color-mint); }
html { -webkit-tap-highlight-color: transparent; }
:is(a, button, summary) { touch-action: manipulation; }
main section[id] { scroll-margin-top: var(--space-5); }
::selection { background: var(--color-signal); color: var(--color-white); }

.skip-link { position: absolute; left: 16px; top: -60px; z-index: 100; padding: 10px 16px; background: var(--color-text); color: var(--color-white); border-radius: var(--radius-sm); font-weight: var(--fw-button); text-decoration: none; }
.skip-link:focus { top: 12px; color: var(--color-white); }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.container { position: relative; z-index: 1; width: 100%; max-width: calc(var(--container-max) + 2 * var(--gutter)); margin: 0 auto; padding-inline: var(--gutter); }
.container--wide { max-width: calc(var(--container-wide) + 2 * var(--gutter)); }
.section { position: relative; padding-block: var(--section-pad); }

/* Dot grid: one small dot every 22px, fading at the top and bottom of the section */
.texture-dots { position: relative; isolation: isolate; }
.texture-dots::before {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image: radial-gradient(circle, var(--dot) 1px, transparent 1.5px);
  background-size: 22px 22px;
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 22%, #000 78%, transparent 100%);
  mask-image: linear-gradient(180deg, transparent 0%, #000 22%, #000 78%, transparent 100%);
}

/* ---------- Type ---------- */
.serif { font-family: var(--font-serif); font-style: italic; font-weight: 400; letter-spacing: -0.005em; font-size: 1.14em; line-height: 1; }
.section-title { font-weight: 500; font-size: var(--fs-h2); line-height: 1.08; letter-spacing: -0.035em; text-wrap: balance; }
.section-head { display: grid; justify-items: start; margin-bottom: var(--head-gap); }
.section-head .lead { margin-top: 18px; }
.lead { font-size: var(--fs-lead); line-height: 1.65; color: var(--fg-soft); max-width: 64ch; }
.body-muted { color: var(--fg-muted); line-height: 1.65; }
.credit { font-size: 11.5px; letter-spacing: 0.03em; color: var(--fg-muted); }

/* Title on the left, a short paragraph on the right */
.split-head { display: grid; gap: 20px; margin-bottom: clamp(36px, 4vw, 57px); }
.split-head > p { max-width: 380px; font-size: 15px; line-height: 1.7; color: var(--fg-soft); }
@media (min-width: 800px) {
  .split-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 60px; }
  .split-head > p { max-width: 340px; padding-bottom: 4px; }
}

/* ---------- Surfaces ---------- */
.icon-tile { display: grid; place-items: center; width: 44px; height: 44px; flex: none; border-radius: var(--radius-sm); }
.icon-tile svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- Buttons and links ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 14px;
  min-height: 48px; padding: 0 20px;
  border: 0; border-radius: var(--radius-sm);
  font-size: 14.5px; font-weight: var(--fw-button); letter-spacing: 0.01em; line-height: 1.3;
  text-decoration: none; white-space: nowrap; cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}
.btn:has(.btn__arrow) { padding-right: 6px; }
.btn--sm { min-height: 42px; font-size: 14px; padding-inline: 16px; }
.btn--lg { min-height: 54px; font-size: 15.5px; padding-inline: 22px; }
.btn--lg:has(.btn__arrow) { padding-right: 7px; }
.btn__arrow { display: grid; place-items: center; width: 36px; height: 36px; border-radius: calc(var(--radius-sm) - 2px); transition: transform 0.3s var(--ease); }
.btn--sm .btn__arrow { width: 30px; height: 30px; }
.btn--lg .btn__arrow { width: 40px; height: 40px; }
.btn__arrow svg { fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.btn:hover .btn__arrow { transform: translateX(3px); }
.btn--primary { background: var(--color-mint); color: var(--color-text); }
.btn--primary:hover { background: var(--tint-mint-ring); color: var(--color-text); }
.btn--primary .btn__arrow { background: var(--color-text); }
.btn--primary .btn__arrow svg { stroke: var(--color-mint); }
.btn--signal { background: var(--color-signal); color: var(--color-white); }
.btn--signal:hover { background: var(--tint-signal-ring); color: var(--color-white); }
.btn--signal .btn__arrow { background: var(--color-text); }
.btn--signal .btn__arrow svg { stroke: var(--color-white); }
.btn--dark { background: var(--color-text); color: var(--color-white); }
.btn--dark:hover { background: var(--color-slate); color: var(--color-white); }
.btn--dark .btn__arrow { background: var(--color-mint); }
.btn--dark .btn__arrow svg { stroke: var(--color-text); }
/* A quiet square button with only the arrow, for links whose label sits beside them */
.btn--icon { width: 44px; min-height: 44px; padding: 0; }
.btn--icon:has(.btn__arrow) { padding: 0; }
.btn--icon .btn__arrow { background: none; width: 100%; height: 100%; }
.btn--icon .btn__arrow svg { stroke: var(--color-mint); }

.text-link {
  display: inline-flex; align-items: center; gap: 8px; min-height: 44px;
  font-size: 15px; font-weight: var(--fw-button);
  color: var(--link); text-decoration: underline; text-underline-offset: 6px; text-decoration-thickness: 1px;
  transition: color 0.2s ease, text-underline-offset 0.25s var(--ease);
}
.text-link:hover { text-underline-offset: 9px; }

/* ---------- Header: logo, Let's talk and a menu button; the menu opens full screen ---------- */
.site-header { position: relative; z-index: 30; background: var(--color-base); border-bottom: 1px solid var(--color-mist); --link: var(--color-text); --link-hover: var(--color-text); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 78px; }
.brand { display: block; flex: none; width: 154px; line-height: 0; }
.brand .logo { width: 100%; height: auto; }
.site-header__actions { display: flex; align-items: center; gap: 14px; }
.site-header__cta { display: none; }
.menu-toggle, .menu-close { position: relative; flex: none; width: 44px; height: 44px; padding: 0; border: 0; background: none; cursor: pointer; }
.menu-toggle span, .menu-close span { position: absolute; left: 11px; right: 11px; height: 1px; background: var(--color-text); transition: transform 0.25s var(--ease); }
.menu-toggle span:first-child { top: 18px; }
.menu-toggle span:last-child { top: 25px; }
.menu-close span { top: 21.5px; background: var(--fg); }
.menu-close span:first-child { transform: rotate(45deg); }
.menu-close span:last-child { transform: rotate(-45deg); }
.site-menu { position: fixed; inset: 0; z-index: 50; display: flex; flex-direction: column; overflow-y: auto; overscroll-behavior: contain; }
.site-menu[hidden] { display: none; }
.site-menu__bar { display: flex; align-items: center; justify-content: space-between; flex: none; height: 78px; }
.site-menu__body { display: grid; align-content: start; gap: var(--space-7); padding-block: var(--space-6) var(--space-8); }
.site-menu__list > li + li { margin-top: var(--space-2); }
.site-menu__list a { display: inline-block; padding-block: 6px; font-size: clamp(30px, 4.4vw, 56px); font-weight: var(--fw-button); line-height: 1.12; letter-spacing: -0.03em; color: var(--fg); text-decoration: none; transition: color 0.2s ease; }
.site-menu__list a:hover { color: var(--color-mint); }
.site-menu__list a[aria-current="page"] { color: var(--color-mint); }
.site-menu__sub { display: grid; gap: 2px; margin: 4px 0 var(--space-3); padding-left: clamp(20px, 2.4vw, 36px); border-left: 1px solid var(--hairline-strong); }
.site-menu__sub a { font-size: clamp(18px, 1.7vw, 24px); font-weight: var(--fw-ui); letter-spacing: -0.015em; color: var(--fg-soft); }
.site-menu__cta { justify-self: start; }
html.menu-open { overflow: hidden; }
html:not(.js) .menu-toggle { display: none; }
@media (min-width: 600px) { .site-header__cta { display: inline-flex; } }
@media (min-width: 800px) {
  .site-header__inner, .site-menu__bar { height: 102px; }
  .brand { width: 183px; }
}

/* ---------- Hero: the brand ring as an orbit, the image running into the next band ---------- */
.hero { position: relative; z-index: 2; overflow-x: clip; }
.hero__inner { display: grid; gap: 28px; padding-block: 44px 0; }
.hero__text { position: relative; z-index: 2; display: grid; justify-items: start; }
.hero__title { font-size: var(--fs-hero); font-weight: 500; line-height: 1.02; letter-spacing: -0.04em; }
.hero__title .serif { font-size: 1.15em; line-height: 1.12; letter-spacing: -0.025em; color: var(--color-signal); }
.hero__copy { margin-top: 26px; font-size: clamp(18px, 1.75vw, 22px); font-weight: var(--fw-ui); line-height: 1.4; letter-spacing: -0.02em; }
.hero__detail { margin-top: 18px; max-width: 420px; font-size: 15px; line-height: 1.65; color: var(--fg-soft); }
.hero__actions { display: flex; flex-direction: column; align-items: flex-start; gap: 11px; margin-top: 30px; }
.hero__note { font-size: 12.5px; color: var(--fg-muted); }
.hero__figure { position: relative; z-index: 3; justify-self: center; width: min(100%, 440px); margin-bottom: -56px; pointer-events: none; }
.hero__figure img { width: 100%; height: auto; }
.hero__credit { position: relative; z-index: 1; margin-top: 4px; text-align: right; color: rgba(27, 29, 32, 0.62); }
@media (min-width: 960px) {
  .hero__inner { min-height: min(760px, 58vw); align-content: center; padding-block: 64px; }
  .hero__text { max-width: 54%; }
  .hero__title { white-space: nowrap; }
  .hero__figure { position: absolute; right: calc(var(--gutter) - 40px); bottom: -64px; width: auto; height: min(820px, 62vw); margin: 0; }
  .hero__figure img { height: 100%; width: auto; }
  .hero__credit { position: absolute; right: 48px; bottom: -24px; margin: 0; }
}
.orbit { position: absolute; z-index: 0; pointer-events: none; width: clamp(480px, 50vw, 720px); aspect-ratio: 1; left: -40%; top: 30%; translate: 0 -50%; }
.orbit__ring { position: absolute; inset: 0; width: 100%; height: 100%; fill: none; stroke: rgba(27, 29, 32, 0.2); stroke-width: 0.7; stroke-linecap: round; stroke-dasharray: 0.01 0.9; animation: ring-drift 160s linear infinite; }
.orbit__ring--inner { inset: 15%; width: 70%; height: 70%; stroke: rgba(27, 29, 32, 0.09); stroke-dasharray: none; stroke-width: 0.5; animation-direction: reverse; animation-duration: 220s; }
.orbit__arm { position: absolute; inset: 0; rotate: 235deg; animation: ring-drift 36s linear infinite; }
.orbit__x { position: absolute; width: 26px; height: 26px; top: calc(2% - 13px); left: calc(50% - 13px); color: var(--color-signal); }
@media (min-width: 960px) { .orbit { left: -9%; top: 52%; } }

/* ---------- Definition ---------- */
.definition { position: relative; z-index: 1; padding-block: clamp(88px, 8vw, 120px); }
.definition__inner { display: grid; gap: 28px; align-items: center; }
.definition__symbol { width: clamp(120px, 15vw, 220px); height: auto; overflow: visible; }
.definition__text { display: grid; gap: 16px; max-width: 600px; }
.definition__title { font-weight: 500; font-size: clamp(38px, 3.9vw, 56px); line-height: 1.04; letter-spacing: -0.03em; margin-bottom: 4px; }
.definition__text p { font-size: clamp(17px, 1.45vw, 21px); font-weight: var(--fw-ui); line-height: 1.5; }
.definition__text .definition__close { font-weight: var(--fw-label); }
@media (min-width: 768px) { .definition__inner { grid-template-columns: 300px minmax(0, 1fr); gap: 50px; } }
.symbol-x { transform-box: fill-box; transform-origin: center; }
.definition__symbol.is-live .symbol-x { animation: x-turn 1.4s var(--ease) both; }
.definition__symbol:hover .symbol-x { animation: x-spin 0.9s var(--ease); }
@keyframes x-turn { from { transform: rotate(-135deg) scale(0.6); } 60% { transform: rotate(10deg) scale(1.08); } to { transform: none; } }
@keyframes x-spin { to { transform: rotate(90deg); } }

/* ---------- Problems: sticky story, then the research ---------- */
.story { display: grid; gap: 32px; }
.story__aside { position: relative; min-width: 0; }
.story__sticky { display: grid; justify-items: start; }
.story__sticky .section-title { max-width: 440px; }
.story__intro { max-width: 40ch; margin-top: var(--space-5); color: var(--fg-soft); font-size: var(--fs-body); line-height: 1.7; }
.story__item { display: grid; grid-template-columns: 48px minmax(0, 1fr); column-gap: 17px; row-gap: 6px; align-items: center; padding-block: 24px; border-top: 1px solid var(--hairline-strong); }
.story__item:last-child { border-bottom: 1px solid var(--hairline-strong); }
.story__item .icon-tile { width: 48px; height: 48px; grid-row: span 2; background: var(--color-lamp); color: var(--color-text); }
.story__item .icon-tile svg { width: 24px; height: 24px; }
.story__item h3 { font-size: clamp(20px, 1.9vw, 27px); font-weight: var(--fw-button); line-height: 1.25; letter-spacing: -0.02em; }
.story__item p { grid-column: 2; font-size: 14.5px; line-height: 1.6; color: var(--fg-soft); }
.research { margin-top: clamp(52px, 6vw, 86px); }
.stats { display: grid; gap: 38px; }
.stat { display: grid; align-content: start; gap: 16px; }
.stat__num { font-size: clamp(62px, 6.5vw, 96px); font-weight: var(--fw-ui); line-height: 1; letter-spacing: -0.035em; font-variant-numeric: tabular-nums; }
.stat--mint .stat__num { color: var(--color-mint); }
.stat--lamp .stat__num { color: var(--color-lamp); }
.stat__bar { display: block; height: 4px; width: 100%; background: rgba(241, 242, 240, 0.12); }
.stat__bar i { display: block; height: 100%; width: calc(var(--v) * 100%); background: var(--fg); transform-origin: left; }
.stat--mint .stat__bar i { background: var(--color-mint); }
.stat--lamp .stat__bar i { background: var(--color-lamp); }
.stat__text { font-size: 14.5px; line-height: 1.7; color: var(--fg-soft); max-width: 34ch; }
.source-link { justify-self: start; font-size: 12px; line-height: 1.5; color: var(--fg-soft); text-decoration: underline; text-decoration-color: rgba(241, 242, 240, 0.45); text-underline-offset: 4px; }
.source-link:hover { color: var(--color-mint); }
/* A large faint grey petal turns slowly under the title */
.motif--aside { display: none; }
@media (min-width: 700px) { .stats { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 44px; } }
@media (min-width: 960px) {
  .story { grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: clamp(48px, 6vw, 96px); }
  .story__sticky { height: 100%; display: flex; flex-direction: column; align-items: flex-start; }
  .story__item { grid-template-columns: 56px minmax(0, 1fr); column-gap: 24px; padding-block: 34px; }
  .story__item .icon-tile { width: 56px; height: 56px; }
  .story__item p { font-size: 16px; }
  .stats { gap: clamp(56px, 6vw, 96px); }
  .story .motif--aside { display: block; position: relative; width: min(300px, 80%); margin-block: auto; color: var(--fg); }
  .motif--aside .petals { opacity: 0.07; }
}

/* ---------- Four levels: the image beside an accordion ---------- */
.levels { display: grid; gap: 28px; }
.levels__art { position: relative; display: none; align-items: center; justify-content: center; min-height: 340px; padding: 44px 22px 48px; background: var(--color-mist); border-radius: var(--radius-sm); }
.levels__art img { width: 100%; height: 252px; object-fit: contain; transition: opacity 0.25s ease; }
.levels__art img.is-swapping { opacity: 0; }
.levels__name { position: absolute; left: 22px; top: 18px; font-size: 12.5px; font-weight: var(--fw-button); color: var(--color-text); }
.levels__credit { position: absolute; right: 22px; bottom: 16px; color: var(--color-slate); }
.levels__list { border-top: 1px solid var(--hairline-strong); }
.level { border-bottom: 1px solid var(--hairline-strong); }
.level h3 { font: inherit; }
.level__toggle { display: flex; align-items: center; gap: 20px; width: 100%; padding: 22px 0; background: none; border: 0; text-align: left; cursor: pointer; color: var(--fg); }
.level__title { flex: 1; font-size: clamp(24px, 2.1vw, 30px); font-weight: var(--fw-button); letter-spacing: -0.03em; line-height: 1.2; transition: color 0.2s ease; }
.level__title small { display: block; margin-top: 6px; font-size: 12px; font-weight: var(--fw-ui); letter-spacing: 0; color: var(--fg-muted); }
.level.is-open .level__title, .level__toggle:hover .level__title { color: var(--color-signal); }
.plus { position: relative; flex: none; width: 26px; height: 26px; }
.plus::before, .plus::after { content: ""; position: absolute; top: 12.5px; left: 6px; width: 14px; height: 1px; background: currentColor; transition: transform 0.25s var(--ease); }
.plus::after { transform: rotate(90deg); }
.level.is-open .plus::after { transform: rotate(0deg); }
.level__body { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; padding: 0 0 24px; }
.level__body[hidden] { display: none; }
.level__body p { max-width: 380px; font-size: 15px; line-height: 1.7; color: var(--fg-soft); }
.level__body .btn { flex: none; }
.audit-cta { display: grid; gap: 24px; justify-items: start; margin-top: clamp(40px, 4.4vw, 64px); }
.audit-cta__title { display: flex; align-items: center; gap: 14px; font-size: clamp(26px, 2.6vw, 36px); font-weight: var(--fw-button); line-height: 1.15; letter-spacing: -0.03em; }
.audit-cta__title::before { content: ""; flex: none; width: 12px; height: 12px; background: var(--color-signal); }
.audit-cta__line { margin-top: 10px; padding-left: 26px; font-size: clamp(16px, 1.3vw, 19px); line-height: 1.5; color: var(--fg-soft); }
@media (min-width: 900px) {
  .levels { grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 7.5%; align-items: stretch; }
  .levels__art { display: flex; min-height: 490px; padding: 56px 28px 64px; }
  .levels__name { left: 27px; top: 23px; }
  .levels__credit { right: 27px; bottom: 20px; }
  .levels__art img { height: 330px; }
  /* every level's text keeps room for three lines, so opening one never moves the box */
  .level__body p { min-height: calc(3 * 1.7em); }
  .audit-cta { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
}

/* ---------- Team Brain: the offer beside a paper brain ---------- */
.brain-brief { padding-block: clamp(56px, 5vw, 72px); }
.brain-brief__inner { display: grid; gap: 48px; }
.brain-brief__intro { min-width: 0; }
.brain-brief__intro .serif { color: var(--color-mint); }
.brain-brief__promise { margin-top: 28px; max-width: 390px; font-size: clamp(21px, 1.7vw, 23px); font-weight: var(--fw-button); line-height: 1.4; letter-spacing: -0.02em; }
.brain-brief__text { margin-top: 18px; max-width: 390px; font-size: 15px; line-height: 1.75; color: var(--fg-soft); }
.brain-brief__intro .btn { margin-top: 30px; }
.paper-brain { position: relative; display: grid; width: 100%; max-width: 440px; justify-self: center; min-width: 0; }
.paper-brain__art { grid-row: 3; width: 92%; max-width: 400px; height: auto; justify-self: center; margin: 8px 0; }
.paper-brain__leaders { display: none; }
.paper-brain__inputs { grid-row: 1; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.paper-brain__outputs { grid-row: 5; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.paper-brain li { display: flex; flex-direction: column; gap: 7px; min-width: 0; padding-top: 13px; border-top: 1px solid var(--chain-dark); }
.paper-brain__inputs li { border-top-color: var(--color-mint); }
.paper-brain strong { color: var(--fg); font-weight: var(--fw-button); font-size: 13px; line-height: 1.45; }
.paper-brain li > span { color: var(--fg-muted); font-size: 12px; line-height: 1.5; }
.paper-brain__mobile-flow { display: block; width: 100%; height: 40px; margin-block: 8px; overflow: visible; }
.paper-brain__mobile-flow--in { grid-row: 2; }
.paper-brain__mobile-flow--out { grid-row: 4; }
/* Data follows each path's direction: context in, AI work out; it runs only while on screen */
.paper-brain__connections { fill: none; stroke: rgba(241, 242, 240, 0.38); stroke-width: 1; }
.paper-brain__data { fill: none; stroke: var(--color-mint); stroke-width: 2; stroke-linecap: round; }
.paper-brain__data path { stroke-dasharray: 12 88; stroke-dashoffset: 100; vector-effect: non-scaling-stroke; animation: paper-data-flow 4.6s linear infinite paused; animation-delay: var(--flow-delay, 0s); }
.paper-brain.is-live .paper-brain__data path { animation-play-state: running; }
@keyframes paper-data-flow { from { stroke-dashoffset: 100; } to { stroke-dashoffset: 0; } }
@media (min-width: 700px) {
  .paper-brain { display: block; width: 90%; max-width: 828px; aspect-ratio: 760 / 560; }
  .paper-brain__art { position: absolute; left: 18.42%; top: 16.07%; width: 65.79%; max-width: none; margin: 0; }
  .paper-brain__leaders { display: block; position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
  .paper-brain__leaders path { vector-effect: non-scaling-stroke; }
  .paper-brain__mobile-flow { display: none; }
  .paper-brain__inputs, .paper-brain__outputs { display: block; }
  .paper-brain li { position: absolute; transform: translateY(-10px); gap: 5px; padding: 0; border: 0; }
  .paper-brain__inputs li { left: 0; width: 20%; }
  .paper-brain__inputs li:nth-child(1) { top: 31.43%; }
  .paper-brain__inputs li:nth-child(2) { top: 50.71%; }
  .paper-brain__inputs li:nth-child(3) { top: 70%; }
  .paper-brain__outputs li { left: 84.5%; width: 15.5%; }
  .paper-brain__outputs li:nth-child(1) { top: 31.43%; }
  .paper-brain__outputs li:nth-child(2) { top: 44.29%; }
  .paper-brain__outputs li:nth-child(3) { top: 57.14%; }
  .paper-brain__outputs li:nth-child(4) { top: 70%; }
  .paper-brain strong { font-size: clamp(14px, 1.25vw, 17px); line-height: 1.4; }
  .paper-brain li > span { font-size: clamp(12px, 1vw, 14px); }
}
@media (min-width: 1000px) {
  .brain-brief__inner { grid-template-columns: minmax(0, 340px) minmax(0, 1fr); gap: clamp(40px, 5vw, 96px); align-items: center; }
  /* the drawing leaves empty bands above and below the brain; the negative margins take them back */
  .paper-brain { width: 100%; max-width: 912px; justify-self: end; margin-block: -10%; }
}

/* ---------- AI at work: example flows behind tabs ---------- */
.example-tabs::-webkit-scrollbar { display: none; }
.example-tabs { display: flex; gap: 24px; overflow-x: auto; scrollbar-width: none; border-bottom: 1px solid var(--hairline-strong); margin-right: calc(-1 * var(--gutter)); padding-right: var(--gutter); }
.example-tab { flex: none; padding: 15px 0 17px; background: none; border: 0; border-bottom: 2px solid transparent; margin-bottom: -1px; font-size: 13px; font-weight: var(--fw-ui); white-space: nowrap; color: var(--fg); cursor: pointer; transition: color 0.2s ease; }
.example-tab:hover { color: var(--color-signal); }
.example-tab[aria-selected="true"] { border-bottom-color: var(--color-signal); color: var(--color-signal); font-weight: var(--fw-button); }
.example-panel { margin-top: 24px; padding: 22px 16px; background: var(--color-mist); }
.example-trigger { display: flex; align-items: center; gap: 8px; margin-bottom: 24px; font-size: 13px; font-weight: var(--fw-ui); }
.example-trigger__dot { width: 7px; height: 7px; background: var(--color-text); }
.example-tag { margin-left: auto; font-size: 11.5px; color: var(--fg-soft); }
.workflow { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.workflow-arrow { display: none; }
.workflow-step { display: flex; flex-direction: column; min-width: 0; min-height: 158px; padding: 18px 14px 15px; background: var(--color-white); }
.workflow-step__label { margin-bottom: 15px; font-size: 12px; color: var(--fg-soft); }
.workflow-step h3 { font-size: 17px; font-weight: var(--fw-button); line-height: 1.3; letter-spacing: -0.015em; }
.workflow-step__owner { margin-top: auto; padding-top: 18px; font-size: 12px; color: var(--fg-soft); }
.workflow-step--human { background: var(--color-dark); color: var(--color-text-dark-bg); }
.workflow-step--human .workflow-step__label, .workflow-step--human .workflow-step__owner { color: rgba(241, 242, 240, 0.78); }
.workflow-step--ready { background: var(--color-mint); }
@media (min-width: 800px) {
  .example-tabs { gap: 38px; margin-right: 0; padding-right: 0; }
  .example-tab { font-size: 13.5px; }
  .example-panel { margin-top: 28px; padding: 27px 30px 35px; }
  .workflow { display: flex; align-items: stretch; gap: 13px; }
  .workflow-step { flex: 1; min-height: 165px; padding: 23px 19px 17px; }
  .workflow-arrow { display: block; align-self: center; font-size: 20px; color: var(--color-slate); }
}

/* ---------- How we build: a timeline whose line fills as you scroll ---------- */
.timeline { position: relative; display: grid; gap: 28px; max-width: 1040px; margin: 0 auto; }
.timeline__rail { position: absolute; left: 19px; top: 8px; bottom: 8px; width: 2px; background: var(--hairline-strong); }
.timeline__rail span { position: absolute; left: 0; top: 0; width: 100%; height: calc(var(--tp, 0) * 100%); background: var(--color-mint); }
.tl { position: relative; padding-left: 56px; }
.tl__node { position: absolute; z-index: 2; left: 11px; top: 36px; width: 18px; height: 18px; background: var(--color-dark); border: 2px solid var(--hairline-strong); border-radius: 2px; transition: border-color 0.4s ease, background-color 0.4s ease; }
.tl.is-passed .tl__node { border-color: var(--color-mint); background: var(--color-mint); }
.process-card { display: grid; grid-template-columns: minmax(0, 1fr); gap: 6px; padding: 8px; background: var(--color-mist); color: var(--color-text); border-radius: var(--radius-sm); }
.process-card__art {
  display: grid; place-items: center; min-height: 140px; border-radius: 2px;
  background-color: var(--color-base);
  background-image: radial-gradient(circle, rgba(27, 29, 32, 0.07) 1px, transparent 1.5px);
  background-size: 14px 14px;
}
.process-card__art svg { width: clamp(52px, 4.6vw, 66px); height: auto; fill: none; stroke: var(--color-text); stroke-width: 1.1; stroke-linecap: round; stroke-linejoin: round; transition: transform 0.6s var(--ease); }
.process-card__art .accent { stroke: var(--color-signal); stroke-width: 1.4; }
.process-card:hover .process-card__art svg { transform: scale(1.08) rotate(-3deg); }
.process-card__body { display: grid; align-content: center; gap: 10px; padding: 22px 20px; }
.process-card__num { font-size: 12px; font-weight: var(--fw-label); letter-spacing: 0.06em; color: var(--color-slate); }
.process-card h3 { font-size: clamp(19px, 1.5vw, 22px); font-weight: var(--fw-button); line-height: 1.25; }
.process-card__body > p:not(.process-card__num) { font-size: 15px; font-weight: var(--fw-ui); color: rgba(27, 29, 32, 0.72); line-height: 1.55; }
@media (min-width: 600px) {
  .process-card { grid-template-columns: minmax(0, 0.8fr) minmax(0, 1fr); }
  .process-card__art { min-height: 190px; }
}
@media (min-width: 900px) {
  .timeline { gap: 0; }
  .timeline__rail { left: calc(50% - 1px); }
  .tl { width: 50%; padding-left: 0; }
  .tl:nth-child(even) { padding-right: 52px; }
  .tl:nth-child(odd) { margin-left: 50%; padding-left: 52px; }
  .tl + .tl { margin-top: -96px; }
  .tl:nth-child(even) .tl__node { left: auto; right: -9px; top: 50%; translate: 0 -50%; }
  .tl:nth-child(odd) .tl__node { left: -9px; top: 50%; translate: 0 -50%; }
  .process-card__art { min-height: 220px; }
}

/* ---------- Tools: a strip that slides on its own ---------- */
.tools-section { padding-top: 0; }
.marquee { overflow-x: auto; scrollbar-width: none; padding-block: 4px; }
.marquee::-webkit-scrollbar { display: none; }
.marquee__track { display: flex; gap: 14px; width: max-content; padding-inline: var(--gutter); }
.tool { flex: 0 0 176px; height: 92px; display: flex; align-items: center; justify-content: center; gap: 10px; padding: 16px 20px; background: var(--color-base); color: var(--color-text); border: 1px solid var(--hairline-strong); border-radius: var(--radius-sm); font-size: 17px; font-weight: var(--fw-button); user-select: none; }
.tool img { width: auto; height: auto; max-width: 100%; max-height: 30px; }
.tool--named { white-space: nowrap; }
.tool--named img { max-height: 32px; max-width: 36px; }
.marquee.is-moving { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee.is-moving .marquee__track { padding-inline: 0; animation: marquee 48s linear infinite paused; }
.marquee.is-moving.is-live .marquee__track { animation-play-state: running; }
.marquee.is-moving:is(:hover, :focus-visible, .is-paused) .marquee__track { animation-play-state: paused; }
.marquee:focus-visible { outline-offset: -2px; }
@keyframes marquee { to { transform: translateX(calc(-50% - 7px)); } }
.tools-note { display: grid; gap: 12px 64px; margin-top: clamp(40px, 4.4vw, 56px); padding-top: 28px; border-top: 1px solid var(--hairline); }
.tools-note__lead { font-size: clamp(19px, 1.5vw, 21px); font-weight: var(--fw-button); line-height: 1.35; color: var(--color-lamp); }
.tools-note .body-muted { font-size: var(--fs-body); color: var(--fg-soft); max-width: 66ch; }
@media (min-width: 900px) { .tools-note { grid-template-columns: 280px 1fr; } }

/* ---------- Where to start: one row per way in ---------- */
.engagement-rows { border-top: 1px solid var(--hairline-strong); }
.engagement-row { display: grid; grid-template-columns: minmax(0, 1fr) 44px; gap: 6px 16px; align-items: center; padding-block: 22px; border-bottom: 1px solid var(--hairline-strong); color: var(--fg); text-decoration: none; transition: color 0.2s ease; }
.engagement-row:hover { color: var(--color-signal); }
.engagement-row__route { grid-column: 1; font-size: 12px; color: var(--fg-soft); }
.engagement-row__name { grid-column: 1; font-size: clamp(23px, 1.9vw, 27px); font-weight: var(--fw-button); letter-spacing: -0.025em; line-height: 1.25; }
.engagement-row__detail { grid-column: 1; font-size: 13px; color: var(--fg-soft); }
.engagement-row .btn { grid-column: 2; grid-row: 1 / 4; }
.engagement-row:hover .btn { background: var(--color-slate); }
.engagement-row:hover .btn__arrow { transform: translateX(3px); }
@media (min-width: 800px) {
  .engagement-row { grid-template-columns: 190px minmax(0, 1fr) 260px 44px; gap: 25px; padding-block: 28px; }
  .engagement-row__route, .engagement-row__name, .engagement-row__detail { grid-column: auto; }
  .engagement-row .btn { grid-column: 4; grid-row: auto; }
}

/* ---------- Experience: the copy on the right, the desk illustration tilted on the left ---------- */
.practice-editorial { overflow: hidden; }
.practice-editorial__layout { display: grid; gap: var(--head-gap); }
.practice-editorial__copy { max-width: 540px; }
.practice-editorial .section-title { line-height: 1.12; }
.practice-editorial__stat { margin-top: 28px; }
.practice-editorial__years { color: var(--color-lamp); font-size: clamp(44px, 3.9vw, 56px); font-weight: var(--fw-button); line-height: 1.05; letter-spacing: -0.03em; }
.practice-editorial__stat > p:last-child { margin-top: 8px; font-size: var(--fs-small); color: var(--fg-soft); }
.practice-editorial__experience { margin-top: 28px; }
.practice-editorial__experience h3 { font-size: clamp(18px, 1.7vw, 22px); font-weight: var(--fw-button); line-height: 1.3; letter-spacing: -0.025em; }
.practice-editorial__experience p { margin-top: 7px; font-size: var(--fs-body); color: var(--fg-soft); }
.practice-editorial__body { display: grid; gap: 18px; margin-top: 26px; }
.practice-editorial__body p { font-size: var(--fs-body); line-height: 1.75; color: var(--fg-soft); }
.practice-editorial__honesty { margin-top: 22px; font-size: var(--fs-small); color: var(--fg-soft); }
.practice-editorial .text-link { margin-top: 16px; }
.practice-editorial__figure { position: relative; width: calc(100% + 2 * var(--gutter)); margin: 0 calc(-1 * var(--gutter)) calc(-1 * var(--section-pad)); padding-top: 12px; }
.practice-editorial__figure img { display: block; width: 96%; max-width: none; height: auto; margin-left: -5%; margin-bottom: -12%; transform: rotate(8deg); }
.practice-editorial__credit { position: absolute; right: var(--gutter); bottom: 16px; padding: 4px 7px; background: var(--color-dark); color: var(--fg-muted); font-size: var(--fs-label); }
@media (min-width: 900px) {
  .practice-editorial__layout { position: static; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); align-items: center; }
  .practice-editorial__copy { grid-column: 2; }
  .practice-editorial__figure { position: absolute; left: -4.5vw; bottom: -100px; width: 46vw; max-width: 800px; margin: 0; padding: 0; }
  .practice-editorial__figure img { width: 100%; margin: 0; }
  .practice-editorial__credit { right: 24px; bottom: 116px; }
}

/* ---------- Brand motifs: the logo's petal ×, turning slowly ---------- */
.has-motif { overflow: hidden; }
.motif { position: absolute; z-index: 0; pointer-events: none; width: var(--size, 320px); aspect-ratio: 1; }
.motif svg { width: 100%; height: 100%; overflow: visible; animation: motif-float 14s ease-in-out infinite; }
.motif .petals { fill: currentColor; transform-box: fill-box; transform-origin: center; animation: petal-turn 28s linear infinite; }
@keyframes petal-turn { to { transform: rotate(360deg); } }
@keyframes motif-float { 0%, 100% { translate: 0 0; } 50% { translate: 0 -12px; } }

/* ---------- Closing ---------- */
.closing { position: relative; overflow: hidden; }
.closing__inner { display: grid; gap: 22px; padding-top: 64px; }
.closing__text { display: grid; justify-items: start; }
.closing__title { font-size: clamp(42px, 4.6vw, 66px); font-weight: 500; line-height: 1.02; letter-spacing: -0.035em; }
.closing__title .serif { color: var(--color-signal); }
.closing__lead { max-width: 410px; margin: 24px 0 28px; font-size: 15px; line-height: 1.75; color: var(--fg-soft); }
.closing__note { display: block; margin-top: 14px; font-size: 12px; color: var(--fg-muted); }
.closing__figure { position: relative; width: 125%; aspect-ratio: 1.4; margin-left: -12.5%; overflow: hidden; }
.closing__figure img { display: block; width: 100%; height: auto; }
.closing__credit { position: absolute; right: calc(10% + 8px); bottom: 8px; padding: 3px 6px; background: var(--color-base); }
@media (min-width: 800px) {
  .closing__inner { grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 7%; align-items: center; min-height: 540px; padding-top: 85px; }
  .closing__text { padding-bottom: 65px; }
  .closing__figure { align-self: end; width: 150%; margin-left: -25%; }
  .closing__credit { right: calc(16.667% + 8px); }
}

/* ---------- Home v2: offer names as titles, the audit as an offer, swapped grounds ---------- */
.offer-sub { margin-top: var(--space-3); max-width: 28ch; font-size: clamp(20px, 1.75vw, 26px); font-weight: var(--fw-ui); line-height: 1.3; letter-spacing: -0.02em; color: var(--fg-soft); }
.brain-brief__intro .offer-sub { margin-top: var(--space-4); }
.offer-sub--wide { max-width: 45ch; }
/* Problems: a three-way contrast (engineers, your team, what we build), then a row of four problems */
.problems-head { margin-bottom: clamp(36px, 4vw, 57px); }
.problems-head__lead { max-width: 60ch; margin-top: var(--space-7); font-size: clamp(18px, 1.9vw, 22px); font-weight: var(--fw-ui); line-height: 1.35; letter-spacing: -0.015em; text-wrap: balance; }
.contrast { display: grid; gap: var(--space-5); }
.contrast__col { padding: var(--space-6); border-radius: var(--radius-sm); }
.contrast__col h3 { margin-top: var(--space-4); font-size: 19px; font-weight: var(--fw-button); line-height: 1.25; letter-spacing: -0.02em; }
.contrast__col ul { display: grid; gap: var(--space-4); margin-top: var(--space-5); }
.contrast__col li { display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: var(--space-3); align-items: start; font-size: 15px; line-height: 1.45; }
.contrast__icon { display: grid; place-items: center; width: 44px; height: 44px; border-radius: var(--radius-sm); background: var(--color-lamp); color: var(--color-text); }
.contrast__icon svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.contrast__col--us .contrast__icon { background: var(--color-mint); }
.contrast__col--you .contrast__icon { background: none; border: 1px solid var(--hairline-strong); }
.contrast__col li svg { width: 28px; height: 28px; padding: 5px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; border-radius: var(--radius-sm); }
.contrast__col--eng { background: var(--color-mist); color: var(--color-text); }
.contrast__col--eng li svg { background: var(--color-white); }
.contrast__col--you { border: 1px solid var(--hairline-strong); color: var(--color-slate); }
.contrast__col--you h3 { color: var(--color-text); }
.contrast__col--you li svg { border: 1px solid var(--hairline-strong); }
.contrast__col--us { background: var(--color-dark); color: var(--color-text-dark-bg); }
.contrast__col--us li strong { font-weight: var(--fw-button); color: var(--color-mint); }
.contrast__col--us li svg { background: var(--color-mint); color: var(--color-text); }
.problem-row__title { margin-top: var(--space-8); font-size: clamp(19px, 1.5vw, 22px); font-weight: var(--fw-button); letter-spacing: -0.02em; }
.problem-row { display: grid; margin-top: var(--space-4); }
.problem-row .story__item { grid-template-columns: 44px minmax(0, 1fr); padding-block: var(--space-5); }
.problem-row .story__item:last-child { border-bottom: 0; }
.problem-row .story__item .icon-tile { width: 44px; height: 44px; }
.problem-row .story__item h3 { font-size: 19px; }
.problem-row .story__item p { font-size: var(--fs-small); }
@media (min-width: 700px) {
  .problem-row { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: var(--space-7); }
}
@media (min-width: 960px) {
  .contrast { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-6); }
  .contrast__col { padding: var(--space-7) var(--space-6); }
  .problem-row { grid-template-columns: repeat(4, minmax(0, 1fr)); column-gap: var(--space-8); }
  .problem-row .story__item { grid-template-columns: minmax(0, 1fr); align-content: start; row-gap: var(--space-3); }
  .problem-row .story__item .icon-tile { grid-row: auto; margin-bottom: var(--space-2); }
  .problem-row .story__item p { grid-column: 1; font-size: var(--fs-small); }
}

/* Audit: the intro and three facts, then an example of the report and the plan */
.audit-offer { display: grid; gap: var(--space-7); }
.audit-offer__lead { margin-top: var(--space-6); max-width: 44ch; font-size: var(--fs-lead); line-height: 1.7; color: var(--fg-soft); }
.facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-4); margin-top: var(--space-6); }
.facts > div { padding-top: var(--space-3); border-top: 1px solid var(--hairline-strong); }
.facts dt { font-size: clamp(20px, 1.9vw, 28px); font-weight: var(--fw-button); line-height: 1.15; letter-spacing: -0.025em; color: var(--color-mint); }
.facts dd { margin: var(--space-2) 0 0; font-size: 13px; line-height: 1.45; color: var(--fg-soft); }
.audit-offer__label { font-size: clamp(19px, 1.5vw, 22px); font-weight: var(--fw-button); letter-spacing: -0.015em; }
.deliverables { display: grid; gap: var(--space-6); margin-top: var(--space-5); }
.deliverable { --fg: var(--color-text); --fg-soft: var(--color-slate); --hairline-strong: rgba(27, 29, 32, 0.16); display: flex; flex-direction: column; gap: var(--space-4); padding: var(--space-6); background: var(--color-mist); color: var(--fg); border-radius: var(--radius-sm); }
.deliverable__head { display: flex; align-items: baseline; gap: var(--space-4); }
.deliverable h4 { font-size: clamp(22px, 1.8vw, 26px); font-weight: var(--fw-button); line-height: 1.15; letter-spacing: -0.025em; }
.deliverable__caption { margin-top: calc(-1 * var(--space-2)); font-size: var(--fs-small); line-height: 1.5; color: var(--fg-soft); }
.deliverable__foot { margin-top: auto; padding-top: var(--space-3); border-top: 1px solid var(--hairline-strong); font-size: var(--fs-small); font-weight: var(--fw-button); }
.report li { display: grid; grid-template-columns: 26px minmax(0, 1fr) auto; gap: var(--space-3); align-items: center; padding-block: 11px; border-top: 1px solid var(--hairline-strong); font-size: 14.5px; line-height: 1.35; }
.report__rank { font-size: 12px; color: var(--fg-soft); font-variant-numeric: tabular-nums; }
.chip { padding: 3px 8px; border-radius: var(--radius-sm); font-size: 12px; font-weight: var(--fw-button); white-space: nowrap; color: var(--color-text); }
.chip--mint { background: var(--color-mint); }
.chip--lamp { background: var(--color-lamp); }
.chip--white { background: var(--color-white); }
.chip--dark, .plan__item--dark { background: var(--color-text); color: var(--color-text-dark-bg); }
.chip--plain { border: 1px solid var(--color-slate); color: var(--color-slate); }
.plan { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-2); }
.plan__month { display: grid; align-content: start; gap: var(--space-2); padding-top: var(--space-3); border-top: 2px solid var(--color-text); }
.plan__label { font-size: 12px; color: var(--fg-soft); }
.plan__item { padding: var(--space-2) 10px; border-radius: var(--radius-sm); font-size: 13px; font-weight: var(--fw-button); line-height: 1.3; }
.plan__item--mint { background: var(--color-mint); }
.plan__item--lamp { background: var(--color-lamp); }
.plan__item--white { background: var(--color-white); }
.audit-offer__rule { margin-top: var(--space-5); font-size: var(--fs-small); line-height: 1.6; color: var(--fg-soft); }
@media (min-width: 800px) {
  .deliverables { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: var(--space-8); }
}
@media (min-width: 960px) {
  .audit-offer { gap: var(--space-8); }
  .audit-offer__intro { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-8); align-items: start; }
  .audit-offer__lead { margin-top: 0; }
}

/* Fractional AI Operator: the month as four connected steps, with a line back to the first */
.cycle__steps { display: grid; gap: var(--space-7); }
.cycle__step { position: relative; display: grid; align-content: start; gap: var(--space-2); padding: var(--space-6) var(--space-5); background: var(--color-mist); border-radius: var(--radius-sm); }
.cycle__step--mint { background: var(--color-mint); }
.cycle__num { font-size: 12px; color: var(--color-slate); font-variant-numeric: tabular-nums; }
.cycle__step--mint .cycle__num { color: var(--color-text); }
.cycle__step h3 { font-size: clamp(21px, 1.7vw, 25px); font-weight: var(--fw-button); line-height: 1.2; letter-spacing: -0.02em; }
.cycle__step p { font-size: var(--fs-small); line-height: 1.55; color: rgba(27, 29, 32, 0.78); }
.cycle__step:not(:last-child)::after { content: "↓"; position: absolute; left: 50%; bottom: calc(-1 * var(--space-7)); translate: -50% 0; display: grid; place-items: center; height: var(--space-7); font-size: 18px; color: var(--color-slate); }
.cycle__return { margin-top: var(--space-4); text-align: center; font-size: 13px; color: var(--color-slate); }
.cycle__return span::before { content: "↑ "; }
@media (min-width: 800px) {
  .cycle__steps { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-6); }
  .cycle__step:not(:last-child)::after { content: "→"; left: auto; right: calc(-1 * var(--space-6)); bottom: auto; top: 50%; translate: 0 -50%; width: var(--space-6); height: auto; }
  .cycle__return { position: relative; height: var(--space-6); margin: 0 calc((100% - 3 * var(--space-6)) / 8); border: 1px solid rgba(27, 29, 32, 0.4); border-top: 0; }
  .cycle__return::before { content: ""; position: absolute; left: -6px; top: -1px; border-inline: 5.5px solid transparent; border-bottom: 8px solid rgba(27, 29, 32, 0.55); }
  .cycle__return span { position: absolute; left: 50%; bottom: 0; translate: -50% 50%; padding: 0 var(--space-3); background: var(--color-base); }
  .cycle__return span::before { content: none; }
}

.tools-section--own { padding-top: var(--section-pad); }
.ground-light .practice-editorial__years { color: var(--color-signal); }
.ground-light .practice-editorial__credit { background: var(--color-base); }
.ground-dark .closing__credit { background: var(--color-dark); }
/* A dark closing meets the dark footer: overlap by 1px so no light seam shows at fractional heights */
.closing.ground-dark { margin-bottom: -1px; }

/* ---------- Footer ---------- */
.site-footer { overflow: hidden; background: var(--color-dark); color: var(--fg); padding-top: 56px; }
.footer-inner { display: grid; gap: 32px; }
.footer-brand { display: grid; gap: 14px; justify-items: start; align-content: start; }
.footer-brand .logo { height: 44px; width: auto; }
.footer-nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.footer-nav a { display: inline-block; padding: 5px 0; font-size: 14.5px; color: var(--fg-soft); text-decoration: none; transition: color 0.2s ease, transform 0.25s var(--ease); }
.footer-nav a:hover { color: var(--fg); transform: translateX(3px); }
.footer-nav .footer-cta { color: var(--link); }
.footer-nav__sub { padding-left: var(--space-4); }
.footer-nav__sub a { font-size: 13.5px; }
.footer-nav a[aria-current="page"] { color: var(--fg); }
.footer-wordmark { margin-top: 48px; font-size: clamp(56px, 13vw, 210px); font-weight: 600; line-height: 0.82; letter-spacing: -0.05em; text-align: center; white-space: nowrap; color: transparent; -webkit-text-stroke: 1px var(--hairline-strong); user-select: none; translate: 0 18%; }
@media (min-width: 900px) {
  .footer-inner { grid-template-columns: 1fr 1.6fr; }
  .footer-nav { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* ---------- Motion ----------
   The page is complete at rest. Script marks only sections below the first screen as
   .will-reveal; they rise in once as they scroll into view. Loops run only while on
   screen. All off for reduced motion. */
.will-reveal[data-reveal],
.will-reveal[data-stagger] > * {
  opacity: 0;
  translate: 0 20px;
  filter: blur(6px);
  transition: opacity 0.75s var(--ease), translate 0.75s var(--ease), filter 0.75s var(--ease);
  transition-delay: calc(var(--d, 0) * 90ms);
}
.will-reveal.is-in[data-reveal],
.will-reveal.is-in[data-stagger] > * { opacity: 1; translate: none; filter: none; }
.is-done[data-stagger] > * { transition-delay: 0s; }
.will-reveal .stat__bar i { transform: scaleX(0); }
.will-reveal.is-in .stat__bar i { transform: none; transition: transform 1.4s var(--ease); transition-delay: calc(var(--d, 0) * 160ms + 0.35s); }

[data-split] .w { display: inline-block; }
/* Started from a painted frame by the script, so a page that is never painted keeps the title readable */
.is-playing[data-split] .w { animation: word-in 0.9s var(--ease) both; animation-delay: calc(var(--w) * 80ms + 60ms); }
@keyframes word-in { from { opacity: 0.12; translate: 0 0.35em; filter: blur(10px); } }
@keyframes ring-drift { to { transform: rotate(360deg); } }
.hero__figure img { transition: transform 0.2s linear; will-change: transform; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .will-reveal[data-reveal], .will-reveal[data-stagger] > * { opacity: 1 !important; translate: none !important; filter: none !important; }
  .will-reveal .stat__bar i { transform: none !important; }
  .paper-brain__data { display: none; }
}

/* ---------- Skill offer page: shared Home language, scoped layouts ---------- */
.offer-page .site-header__inner { gap: var(--space-3); }
.offer-page .brand { width: 130px; }
.offer-page .site-header__actions { gap: var(--space-2); }
.offer-page .site-header__actions > .btn { min-height: 42px; font-size: 13px; padding-left: var(--space-3); padding-right: var(--space-1); gap: var(--space-2); }
.offer-page .site-header__actions .btn__arrow { width: 30px; height: 30px; }
.skill-hero { overflow: clip; }
.skill-hero__inner { display: grid; gap: var(--space-5); padding-block: var(--space-7); }
.skill-hero__copy { min-width: 0; }
.skill-hero h1 { font-size: var(--fs-hero); font-weight: 500; line-height: 1.04; letter-spacing: -0.035em; text-wrap: balance; }
.skill-hero h1 .serif { color: var(--color-signal); }
.skill-hero__lead { margin-top: var(--space-6); max-width: 32ch; font-size: var(--fs-lead); font-weight: var(--fw-ui); line-height: 1.5; }
.skill-hero__detail { max-width: 46ch; margin-top: var(--space-4); color: var(--fg-soft); font-size: var(--fs-body); line-height: 1.7; }
.skill-hero__actions { display: grid; justify-items: start; gap: var(--space-3); margin-top: var(--space-6); }
.skill-hero__jump { gap: var(--space-3); margin-top: var(--space-4); font-size: var(--fs-small); }
.skill-hero__jump svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.5; }
.skill-hero__art { align-self: center; min-width: 0; }
.skill-hero__art img { width: 100%; height: auto; }
.skill-hero__art .credit { text-align: right; margin-top: var(--space-2); }
.skill-split { display: grid; gap: var(--space-7); }
/* An offer's button under its intro or list, as in Home's offer sections */
.section-btn { margin-top: var(--space-6); }
.skill-section-intro strong, .split-head > p strong { color: var(--fg); font-weight: var(--fw-button); }
.skill-section-intro { color: var(--fg-soft); max-width: 40ch; margin-top: var(--space-5); font-size: var(--fs-body); line-height: 1.7; }
.skill-deliverables li { padding-block: var(--space-5); border-top: 1px solid var(--hairline-strong); }
.skill-deliverables li:last-child { padding-bottom: 0; }
.skill-deliverables h3 { font-weight: var(--fw-button); font-size: 23px; letter-spacing: -0.02em; line-height: 1.2; }
.skill-deliverables p { margin-top: var(--space-3); color: var(--fg-soft); font-size: var(--fs-body); line-height: 1.7; max-width: 54ch; }
.skill-faq { border-top: 1px solid var(--color-mist); }
.skill-faq:last-child { border-bottom: 1px solid var(--color-mist); }
.skill-faq > summary { display: flex; align-items: center; justify-content: space-between; gap: var(--space-5); padding-block: var(--space-5); font-size: var(--fs-lead); font-weight: var(--fw-button); line-height: 1.4; list-style: none; cursor: pointer; }
.skill-faq > summary::-webkit-details-marker { display: none; }
.skill-faq > summary:hover { color: var(--color-slate); }
.skill-faq .plus { width: var(--space-4); height: var(--space-4); flex: none; }
.skill-faq .plus::before, .skill-faq .plus::after { top: 50%; left: 50%; width: 12px; translate: -50% -50%; }
.skill-faq[open] .plus::after { transform: rotate(0); }
.skill-faq > div { padding-bottom: var(--space-5); padding-right: var(--space-6); }
.skill-faq p { color: var(--fg-soft); line-height: 1.75; font-size: var(--fs-body); }
.skill-faq .text-link { margin-top: var(--space-3); }
.skill-closing { background: var(--color-base); }
.skill-closing__back { display: flex; width: fit-content; margin-top: var(--space-5); font-size: var(--fs-small); }
.skill-closing .closing__credit { background: var(--color-base); }
.skill-closing.ground-dark { background: var(--color-dark); }
.skill-closing.ground-dark .closing__credit { background: var(--color-dark); }
@media (min-width: 600px) {
  .offer-page .brand { width: 154px; }
  .skill-hero__inner { padding-block: var(--space-8); }
  .skill-hero__art { max-width: 600px; justify-self: center; }
}
@media (min-width: 800px) {
  .offer-page .brand { width: 183px; }
  .offer-page .site-header__actions > .btn { padding-left: var(--space-4); font-size: var(--fs-small); gap: var(--space-3); }
  .skill-split { grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: var(--space-8); }
  .skill-closing .closing__title { font-size: var(--fs-h2); line-height: 1.08; }
}
@media (min-width: 960px) {
  .skill-hero__inner { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); align-items: center; min-height: 660px; padding-block: var(--space-8); gap: 0; }
  .skill-hero__copy { position: relative; z-index: 1; }
  .skill-hero h1 { font-size: clamp(38px, 4.3vw, 68px); white-space: nowrap; }
  .skill-hero__art { width: 125%; max-width: none; margin-left: -5%; margin-top: var(--space-7); }
  .skill-hero__art .credit { padding-right: 14%; }
  .skill-split { gap: var(--space-9); }
}

/* Skill: brand motifs and the list of what the team gets. */
.skill-hero { position: relative; isolation: isolate; }
.skill-hero__promise { margin-top: var(--space-5); font-size: 30px; line-height: 1.2; letter-spacing: -0.03em; font-weight: var(--fw-button); }
.skill-hero__lead { font-size: var(--fs-body); color: var(--fg-soft); margin-top: var(--space-5); }
.skill-brand-ring { position: absolute; pointer-events: none; z-index: -1; width: 600px; left: -300px; top: 8%; opacity: 0.4; }
.skill-brand-ring svg { fill: none; stroke: var(--chain-light); stroke-width: 0.5; }
.skill-brand-ring circle:first-child { stroke-dasharray: 1 2; }
.skill-deliverables li { display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: var(--space-2) var(--space-5); align-items: center; }
.skill-deliverables .icon-tile { grid-row: span 2; align-self: start; background: var(--color-lamp); color: var(--color-text); }
.skill-deliverables .icon-tile { background: var(--color-mint); }
.skill-deliverables h3 { font-size: 23px; }
.skill-deliverables p { grid-column: 2; margin-top: 0; }
@media (min-width: 960px) {
  .skill-hero h1 { font-size: 72px; }
}

/* Home’s process component, with the client’s contribution inside each card. On a light ground the rail and nodes turn dark. */
.offer-page .ground-light .tl__node { background: var(--color-base); }
.offer-page .ground-light .tl.is-passed .tl__node { background: var(--color-text); border-color: var(--color-text); }
.offer-page .ground-light .timeline__rail span { background: var(--color-slate); }
.skill-process-contribution { margin-top: var(--space-2); padding-top: var(--space-3); border-top: 1px solid var(--chain-light); }
.skill-process-contribution strong { font-size: var(--fs-label); font-weight: var(--fw-label); }
.skill-process-contribution p { margin-top: var(--space-2); font-size: var(--fs-small); line-height: 1.6; color: var(--color-slate); }
/* Home’s faint turning petal under the title, where the title sits beside a list */
@media (min-width: 800px) {
  .skill-split .motif--aside { display: block; position: relative; width: min(240px, 70%); margin-top: var(--space-8); color: var(--fg); }
  .skill-split .motif--aside .petals { opacity: 0.07; }
}

/* Skill examples: Home’s example panel, with the steps done by hand above the Skill’s flow at the same width. */
.skill-compare { display: grid; gap: var(--space-6); }
.skill-compare__label { display: flex; flex-wrap: wrap; align-items: baseline; gap: var(--space-1) var(--space-3); margin-bottom: var(--space-3); font-size: 13px; color: var(--fg-soft); }
.skill-compare__label strong { font-size: 15px; font-weight: var(--fw-button); color: var(--fg); }
.skill-hand { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; counter-reset: hand; }
.skill-hand li { display: flex; flex-direction: column; gap: var(--space-3); min-width: 0; min-height: 84px; padding: 14px; background: var(--color-white); font-size: 14px; font-weight: var(--fw-ui); line-height: 1.3; counter-increment: hand; }
.skill-hand li::before { content: counter(hand, decimal-leading-zero); font-size: 12px; color: var(--fg-soft); }
.skill-hand__time { margin-top: auto; font-size: 12px; font-weight: var(--fw-button); color: var(--fg); font-variant-numeric: tabular-nums; }
.skill-compare__total { margin-left: auto; font-size: 13px; color: var(--fg-soft); font-variant-numeric: tabular-nums; }
.skill-compare__total > [data-flow-text] { font-size: 22px; font-weight: var(--fw-button); letter-spacing: -0.02em; color: var(--fg); }
.skill-nowrap { white-space: nowrap; }
.skill-run { display: inline-block; padding: 2px var(--space-2); background: var(--color-lamp); color: var(--color-text); border-radius: var(--radius-sm); font-size: 12px; font-weight: var(--fw-button); white-space: nowrap; }
.skill-compare__total .skill-run { margin-right: var(--space-1); vertical-align: 3px; }

/* Skill control: the approval flow, then owner, Ambassador and support side by side. */
.skill-approval { margin-top: 0; margin-bottom: var(--space-7); color: var(--fg); }
.skill-approval .workflow { grid-template-columns: minmax(0, 1fr); }
.skill-approval .workflow-step { min-height: 0; gap: var(--space-2); }
.skill-care li { display: grid; grid-template-columns: 44px minmax(0, 1fr); align-content: start; gap: var(--space-2) var(--space-5); padding-block: var(--space-5); border-top: 1px solid var(--hairline-strong); }
.skill-care .icon-tile { grid-row: span 3; background: var(--color-mint); color: var(--color-text); }
.skill-care h3 { font-size: 19px; font-weight: var(--fw-button); letter-spacing: -0.02em; line-height: 1.25; }
.skill-care p { color: var(--fg-soft); font-size: var(--fs-small); line-height: 1.65; }
.skill-care .text-link { width: fit-content; margin-top: var(--space-2); font-size: var(--fs-small); }
@media (min-width: 800px) {
  .skill-hand { display: flex; gap: 13px; }
  .skill-hand li { flex: 1; }
  .skill-approval .workflow-step { min-height: 165px; }
  .skill-care { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: var(--space-7); }
}
@media (min-width: 1100px) {
  .skill-care { grid-template-columns: repeat(4, minmax(0, 1fr)); column-gap: var(--space-6); }
  .skill-care li { grid-template-columns: minmax(0, 1fr); }
  .skill-care .icon-tile { grid-row: auto; margin-bottom: var(--space-2); }
}

/* Skill: the jobs a Skill suits, two columns of icon rows beside the title. Jobs and Questions give the title a little more room so its italic line fits. */
.skill-use-list li { display: grid; grid-template-columns: 44px minmax(0, 1fr); align-content: start; gap: var(--space-2) var(--space-5); padding-block: var(--space-5); border-top: 1px solid var(--hairline-strong); }
.skill-use-list .icon-tile { grid-row: span 2; background: var(--color-lamp); color: var(--color-text); }
.skill-use-list h3 { font-size: 19px; font-weight: var(--fw-button); letter-spacing: -0.02em; line-height: 1.25; }
.skill-use-list p { grid-column: 2; color: var(--fg-soft); font-size: var(--fs-small); line-height: 1.65; }
@media (min-width: 1100px) {
  #where-it-helps .skill-split, #questions .skill-split { grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); }
  .skill-use-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: var(--space-7); }
}

/* Offer pages: questions on a dark ground, as on the Agent and Team Brain pages. */
.ground-dark .skill-faq { border-color: var(--hairline-strong); }
.ground-dark .skill-faq > summary:hover { color: var(--fg-soft); }

/* Agent Team: the owner and the team's command above, five agents below on one line from the
   command, the checked result at the foot. */
.team-chart { margin-top: 0; color: var(--fg); }
.team-chart__head { display: grid; gap: 10px; }
.team-chart .workflow-step { min-height: 0; gap: var(--space-2); }
.team-chart__agents { position: relative; display: grid; gap: 10px; margin-top: 10px; }
.team-chart__agent { display: flex; flex-direction: column; gap: 8px; min-width: 0; padding: 16px 14px; background: var(--color-white); color: var(--color-text); }
.team-chart__order { align-self: flex-start; padding: 1px 7px; background: var(--color-mist); border-radius: 2px; font-size: 11.5px; font-weight: var(--fw-button); color: var(--color-slate); }
.team-chart__agent h3 { font-size: 16px; font-weight: var(--fw-button); line-height: 1.3; }
.team-chart__agent > p:not(.team-chart__meta) { font-size: 13.5px; font-weight: var(--fw-ui); line-height: 1.5; color: var(--color-slate); }
.team-chart__meta { display: grid; gap: 4px; margin-top: auto; padding-top: 6px; font-size: 12px; color: var(--color-slate); }
.team-chart__meta + .team-chart__meta { margin-top: 0; }
.team-chart__agent:last-child { border: 1.5px solid var(--color-text); }
.team-chart__end { margin-top: 10px; }
.team-points { margin-top: var(--space-7); }
@media (min-width: 1000px) {
  .team-chart__head { grid-template-columns: minmax(0, 1fr) minmax(0, 2.2fr); }
  .team-chart__agents { grid-template-columns: repeat(5, minmax(0, 1fr)); margin-top: 44px; }
  /* one line from the command down to every agent */
  .team-chart__agents::before { content: ""; position: absolute; top: -22px; left: 10%; right: 10%; border-top: 1.2px solid var(--color-slate); }
  .team-chart__agents::after { content: ""; position: absolute; top: -44px; left: 65.6%; height: 22px; border-left: 1.2px solid var(--color-slate); }
  .team-chart__agent { position: relative; }
  .team-chart__agent::before { content: ""; position: absolute; top: -22px; left: 50%; height: 22px; border-left: 1.2px solid var(--color-slate); }
  .team-chart__end { margin-top: 24px; }
}
@media (min-width: 1100px) {
  .team-points.skill-care { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* Team Brain: the layer diagram. Where the team works on top, the brain in the middle, where
   its knowledge comes from below; one return line at right. Dots travel the connectors only
   while the diagram is on screen. Square corners, no shadows. */
.layers-wrap { margin-top: var(--space-2); }
.layers-wrap__tag { display: flex; justify-content: flex-end; margin-bottom: var(--space-3); }
.layers { position: relative; display: grid; gap: 12px; color: var(--color-text); }
.layers__band { padding: 16px; background: var(--color-mist); border-radius: var(--radius-sm); }
.layers__label { margin-bottom: 12px; font-size: 15px; font-weight: var(--fw-button); line-height: 1.3; }
.layers__cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.layers__card { display: grid; align-content: start; gap: 10px; min-width: 0; padding: 12px; background: var(--color-white); border-radius: 2px; font-size: 14px; font-weight: var(--fw-button); line-height: 1.3; }
.chips { display: flex; flex-wrap: wrap; gap: 4px; }
.chips i { padding: 1px 7px; background: var(--color-base); border: 1px solid var(--color-mist); border-radius: 2px; font-size: 12px; font-style: normal; font-weight: var(--fw-ui); }
.layers__core { position: relative; padding: 22px 16px 14px; background: var(--color-white); border: 1.5px solid var(--color-slate); border-radius: var(--radius-sm); }
.layers__title { text-align: center; font-size: clamp(19px, 1.6vw, 23px); font-weight: var(--fw-button); line-height: 1.25; letter-spacing: -0.015em; }
.layers__title em { font-weight: var(--fw-ui); }
.layers__sub { margin-top: 4px; text-align: center; font-size: 14px; color: var(--fg-muted); }
.layers__core-cards { display: grid; gap: 10px; margin-top: 18px; }
.core-card { display: grid; gap: 4px; padding: 14px 16px; border-radius: 2px; color: var(--color-text); }
.core-card strong { font-size: 16px; font-weight: var(--fw-label); }
.core-card span { font-size: 14px; font-weight: var(--fw-ui); line-height: 1.45; }
.core-card--mint { background: var(--color-mint); }
.core-card--lamp { background: var(--color-lamp); }
.core-card--signal { background: var(--color-signal); color: var(--color-white); }
.layers__loop { margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--color-mist); text-align: center; font-size: 13.5px; font-weight: var(--fw-ui); color: var(--color-slate); }
.layers__links, .layers__return { display: none; }
@media (min-width: 900px) {
  .layers { --label-w: 160px; grid-template-columns: minmax(0, 1fr) 150px; gap: 0; }
  .layers > .layers__band, .layers > .layers__core, .layers > .layers__links { grid-column: 1; }
  .layers__band { display: grid; grid-template-columns: var(--label-w) minmax(0, 1fr); gap: 14px; align-items: center; padding: 14px; }
  .layers__label { margin: 0 0 0 6px; font-size: 16px; }
  .layers__cards { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .layers__core-cards { grid-template-columns: repeat(3, minmax(0, 1fr)); padding-inline: 12px; }
  .layers__links { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; height: 52px; padding-left: calc(14px + var(--label-w) + 14px); padding-right: 14px; }
  .layers__links span { position: relative; }
  .layers__links span::before { content: ""; position: absolute; top: 0; bottom: 0; left: calc(50% - 0.75px); border-left: 1.5px dashed var(--color-slate); }
  .layers__links--up span::before { border-left-style: solid; top: 7px; }
  .layers__links--up span::after { content: ""; position: absolute; top: 0; left: calc(50% - 5px); border: 5px solid transparent; border-top: 0; border-bottom: 7px solid var(--color-slate); }
  .layers__links b { position: absolute; z-index: 1; bottom: -11px; left: 50%; translate: -50% 0; padding: 2px 8px; background: var(--color-white); border: 1px solid var(--color-slate); border-radius: 2px; font-size: 11.5px; font-weight: var(--fw-button); white-space: nowrap; }
  .layers__links i { position: absolute; left: calc(50% - 3px); width: 6px; height: 6px; background: var(--color-text); opacity: 0; }
  .layers__return { display: grid; grid-column: 2; grid-row: 1 / 4; grid-template-rows: subgrid; position: relative; color: var(--color-slate); }
  .layers__return > i { position: relative; }
  .layers__return > i::before { content: ""; position: absolute; left: 0; width: 34px; border-right: 1.5px dashed currentColor; }
  .layers__return > i:nth-child(1)::before { top: 50%; bottom: 0; border-top: 1.5px dashed currentColor; }
  .layers__return > i:nth-child(2)::before { top: 0; bottom: 0; }
  .layers__return > i:nth-child(3)::before { top: 0; bottom: 50%; border-bottom: 1.5px dashed currentColor; }
  .layers__return > i:nth-child(3)::after { content: ""; position: absolute; left: 0; top: calc(50% - 5px); border: 5px solid transparent; border-left: 0; border-right: 7px solid currentColor; }
  .layers__return-label { position: absolute; left: 48px; right: 0; top: 50%; translate: 0 -50%; font-size: 12.5px; line-height: 1.4; color: var(--fg-soft); }
  .layers.is-live .layers__links--down i { animation: layer-down 2.8s linear infinite; animation-delay: calc(var(--i) * 0.6s); }
  .layers.is-live .layers__links--up i { animation: layer-up 2.8s linear infinite; animation-delay: calc(var(--i) * 0.6s + 1.2s); }
}
@keyframes layer-down { 0% { top: 0; opacity: 0; } 10% { opacity: 1; } 70% { opacity: 1; } 80%, 100% { top: calc(100% - 16px); opacity: 0; } }
@keyframes layer-up { 0% { top: calc(100% - 6px); opacity: 0; } 10% { opacity: 1; } 80% { opacity: 1; } 90%, 100% { top: 8px; opacity: 0; } }

/* Team Brain at work: Home's flow, with what happens without the brain beneath it. */
.brain-without { margin-top: var(--space-6); padding-top: var(--space-5); border-top: 1px solid var(--chain-light); font-size: 16px; font-weight: var(--fw-ui); line-height: 1.6; }
.brain-without strong { font-weight: var(--fw-button); }

/* Agent: the line under the uses that points to a simpler build. */
.skill-use-note { margin-top: var(--space-6); padding-top: var(--space-5); border-top: 1px solid var(--hairline-strong); max-width: 52ch; font-size: var(--fs-lead); font-weight: var(--fw-ui); line-height: 1.5; }
.skill-faq .text-link + .text-link { margin-left: var(--space-5); }

/* The promise's line break only from 600px; below that the line wraps where it fits. */
.skill-hero__promise { max-width: 21ch; }
.skill-hero__promise br { display: none; }

/* Workflows at work: the scenario that runs the job, drawn like an automation canvas. A trigger,
   modules named by their tool, routers that split the work into paths, filters on a path, and
   the team's check at the end. Below 900px the modules stack in order and the lines hide. */
.scn { position: relative; }
.scn__nodes { display: grid; gap: 8px; }
.scn__lines { display: none; }
.scn__node { display: grid; gap: 3px; min-width: 0; padding: 10px 12px; background: var(--color-white); border: 1px solid var(--chain-light); border-radius: var(--radius-sm); color: var(--color-text); }
.scn__tool { display: flex; align-items: center; gap: 6px; font-size: 13px; font-weight: var(--fw-button); line-height: 1.3; }
.scn__do { font-size: 12.5px; font-weight: var(--fw-ui); line-height: 1.4; color: var(--color-slate); }
.scn__icon { display: grid; place-items: center; flex: none; width: 18px; height: 18px; }
.scn__icon svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.scn__if { display: flex; gap: 5px; margin-bottom: 3px; font-size: 11.5px; font-weight: var(--fw-button); line-height: 1.35; color: var(--color-text); }
.scn__if::before { content: ""; flex: none; width: 9px; height: 9px; margin-top: 3px; background: var(--color-lamp); clip-path: polygon(0 0, 100% 0, 60% 55%, 60% 100%, 40% 100%, 40% 55%); }
.scn__node--trigger { border: 1.5px solid var(--color-text); }
.scn__node--human { background: var(--color-dark); border-color: var(--color-dark); color: var(--color-text-dark-bg); }
.scn__node--human .scn__do { color: rgba(241, 242, 240, 0.78); }
.scn__node--ready { background: var(--color-mint); border-color: var(--color-mint); }
.scn__node--ready .scn__do { color: var(--color-text); }
@media (min-width: 900px) {
  .scn__nodes { grid-template-columns: repeat(var(--cols), minmax(0, 1fr)); grid-template-rows: repeat(var(--rows), minmax(56px, auto)); gap: 10px 28px; }
  .scn__node { grid-column: var(--c); grid-row: var(--r); align-self: center; }
  /* the main line's modules share one height; modules stacked in a column may differ */
  .scn__node--main { height: 104px; align-content: start; }
  .scn__lines { display: block; position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; }
  .scn__links { fill: none; stroke: var(--color-slate); stroke-width: 1.2; }
  .scn__data { fill: none; stroke: var(--color-text); stroke-width: 3; }
  .scn__data path { stroke-dasharray: 8 92; stroke-dashoffset: 100; animation: paper-data-flow 2.8s linear infinite paused; animation-delay: var(--flow-delay, 0s); opacity: 0; }
  .scn.is-live .scn__data path { animation-play-state: running; opacity: 1; }
}

/* Skills, Workflows and Agents examples: the time row. By hand, with the build, and the time freed up, which leads. */
.time-row { display: grid; gap: var(--space-3); margin: var(--space-6) 0 0; padding-top: var(--space-5); border-top: 1px solid var(--chain-light); }
.time-row > div { display: grid; gap: 2px; }
.time-row dt { font-size: 13px; color: var(--fg-soft); }
.time-row dd { margin: 0; font-size: 22px; font-weight: var(--fw-button); letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.time-row__freed dt { color: var(--fg); font-weight: var(--fw-button); }
.time-row__freed dd { font-size: 34px; line-height: 1.1; }
@media (min-width: 800px) {
  .time-row { grid-template-columns: 1fr 1fr 1.3fr; align-items: center; gap: var(--space-6); }
}

/* Agents at work: the steps it chose, with the checks it ruled out set off the line, beside its answer. */
.path { display: grid; gap: var(--space-6); }
.path__label { margin-bottom: var(--space-3); font-size: 12px; color: var(--fg-soft); }
.path__steps { position: relative; display: grid; gap: 6px; }
.path__steps::before { content: ""; position: absolute; left: 8px; top: 18px; bottom: 18px; border-left: 2px solid var(--color-text); }
.path__step { position: relative; display: grid; grid-template-columns: 18px minmax(0, 1fr); gap: 4px 14px; align-items: start; padding: 12px 0; }
.path__node { position: relative; z-index: 1; width: 18px; height: 18px; margin-top: 2px; background: var(--color-text); border: 2px solid var(--color-text); border-radius: 2px; }
.path__step h3 { font-size: 15px; font-weight: var(--fw-button); line-height: 1.35; }
.path__step p { margin-top: 2px; font-size: 14px; font-weight: var(--fw-ui); line-height: 1.5; color: var(--fg-soft); }
.path__tag { grid-column: 2; justify-self: start; padding: 1px 7px; background: var(--color-white); border-radius: 2px; font-size: 11.5px; font-weight: var(--fw-button); color: var(--color-slate); }
.path__step--out { margin-left: 34px; grid-template-columns: 14px minmax(0, 1fr); }
.path__step--out::before { content: ""; position: absolute; left: -26px; top: 22px; width: 26px; border-top: 1.5px dashed var(--color-slate); }
.path__step--out .path__node { width: 14px; height: 14px; margin-top: 4px; background: var(--color-mist); border: 1.5px solid var(--color-slate); }
.path__step--out h3, .path__step--out p { color: var(--fg-muted); }
.path__step--found .path__node { background: var(--color-mint); }
.path__step--found .path__tag { background: var(--color-mint); color: var(--color-text); }
.path__answer { padding: 20px; background: var(--color-white); border: 1.5px solid var(--color-text); border-radius: var(--radius-sm); }
.path__answer h3 { font-size: clamp(18px, 1.5vw, 21px); font-weight: var(--fw-button); line-height: 1.35; letter-spacing: -0.015em; }
.path__answer dl { display: grid; gap: 10px; margin: 18px 0 0; padding-top: 16px; border-top: 1px solid var(--color-mist); }
.path__answer dt { font-size: 12px; color: var(--fg-soft); }
.path__answer dd { margin: 2px 0 0; font-size: 14px; font-weight: var(--fw-ui); line-height: 1.5; }
.path__after { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 10px; }
.path__after .workflow-step { min-height: 0; gap: 6px; }
.path__after .workflow-step h3 { font-size: 15px; }
@media (min-width: 900px) {
  .path { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: var(--space-7); align-items: start; }
  .path__step { grid-template-columns: 18px minmax(0, 1fr) auto; }
  .path__step--out { grid-template-columns: 14px minmax(0, 1fr) auto; }
  .path__tag { grid-column: 3; grid-row: 1; margin-top: 2px; }
}

/* Audit, Fractional AI Operator and AI System Design pages: the audit report's contents as a
   checklist, and a card title with a note on the right. */
.contents-list { display: grid; gap: 0 var(--space-7); margin-top: var(--space-7); }
.contents-list__title { margin-bottom: var(--space-3); font-size: clamp(19px, 1.5vw, 22px); font-weight: var(--fw-button); letter-spacing: -0.015em; }
.contents-list ul { display: grid; gap: 0 var(--space-7); }
.contents-list li { display: grid; grid-template-columns: 10px minmax(0, 1fr); gap: var(--space-4); align-items: baseline; padding-block: var(--space-3); border-top: 1px solid var(--hairline-strong); font-size: var(--fs-body); line-height: 1.55; color: var(--fg-soft); }
.contents-list li::before { content: ""; width: var(--space-2); height: var(--space-2); background: var(--color-mint); translate: 0 -1px; }
.facts--wide { margin-bottom: var(--space-7); }
.judge-note { margin-top: var(--space-6); max-width: 52ch; font-size: var(--fs-lead); font-weight: var(--fw-ui); line-height: 1.5; }
.stack__title { display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-4); margin-bottom: var(--space-2); font-size: clamp(22px, 1.8vw, 26px); font-weight: var(--fw-button); letter-spacing: -0.025em; }
.stack__title span { font-size: 12px; font-weight: var(--fw-ui); letter-spacing: 0; color: var(--fg-soft); }
@media (min-width: 800px) {
  .contents-list ul { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ---------- About: a letter, the story by seat, values and where we fit ---------- */
.letter { max-width: 760px; }
.letter__title { font-weight: 500; font-size: clamp(40px, 5.2vw, 76px); line-height: 1.04; letter-spacing: -0.04em; text-wrap: balance; }
.letter__body { display: grid; gap: var(--space-5); margin-top: clamp(32px, 4vw, 56px); max-width: 62ch; }
.letter__body p { font-size: clamp(18px, 1.5vw, 21px); font-weight: var(--fw-body); line-height: 1.6; }
.letter__body .letter__punch { font-size: clamp(22px, 2vw, 28px); font-weight: var(--fw-button); line-height: 1.3; letter-spacing: -0.02em; }
.about-letter { padding-top: clamp(72px, 9vw, 140px); }
.about-message__layout { display: grid; gap: clamp(32px, 5vw, 72px); }
.about-message .letter__body p { color: var(--fg-soft); }
.about-message .letter__body .letter__punch { color: var(--fg); }
.about-message__art { margin: 0; align-self: center; }
.about-message__art img { display: block; width: 100%; height: auto; transform: rotate(5deg); }
.about-message__art .credit { margin-top: var(--space-3); text-align: right; }
@media (min-width: 960px) { .about-message__layout { grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); align-items: center; } }

.seats { margin-top: clamp(40px, 5vw, 72px); border-top: 1px solid var(--hairline-strong); }
.seat { display: grid; gap: var(--space-4); padding-block: clamp(28px, 3.4vw, 48px); border-bottom: 1px solid var(--hairline-strong); }
.seat__tag { font-size: 12px; font-weight: var(--fw-label); letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-mint); }
.seat__roles { margin-top: 8px; font-size: clamp(18px, 1.6vw, 22px); font-weight: var(--fw-button); line-height: 1.3; letter-spacing: -0.02em; }
.seat__num { margin-top: var(--space-4); font-size: clamp(40px, 4.4vw, 64px); font-weight: var(--fw-ui); line-height: 1; letter-spacing: -0.035em; color: var(--color-lamp); font-variant-numeric: tabular-nums; }
.seat__label { margin-top: 8px; max-width: 26ch; font-size: 13px; line-height: 1.45; color: var(--fg-soft); }
.seat__mark { width: 52px; height: 52px; margin-top: var(--space-4); color: var(--color-signal); }
.seat__text { display: grid; align-content: start; gap: var(--space-4); max-width: 60ch; }
.seat__text p { font-size: var(--fs-lead); line-height: 1.65; color: var(--fg-soft); }
.seat__text .seat__lesson { color: var(--fg); }
.seat__lesson strong { font-weight: var(--fw-button); }
@media (min-width: 860px) { .seat { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(40px, 6vw, 96px); } }

.values { display: grid; gap: 0 clamp(40px, 6vw, 96px); margin-top: clamp(36px, 4vw, 57px); }
.value { padding-block: var(--space-5); border-top: 1px solid var(--hairline-strong); }
.value h3 { font-size: clamp(20px, 1.8vw, 25px); font-weight: var(--fw-button); line-height: 1.25; letter-spacing: -0.02em; }
.value p { margin-top: var(--space-3); max-width: 46ch; font-size: var(--fs-body); line-height: 1.7; color: var(--fg-soft); }
.belief { margin-top: clamp(48px, 6vw, 88px); padding-top: var(--space-6); border-top: 1px solid var(--hairline-strong); }
.belief__kicker { font-size: var(--fs-small); color: var(--fg-soft); }
.belief__line { margin-top: var(--space-3); max-width: 22ch; font-size: clamp(30px, 3.6vw, 52px); font-weight: 500; line-height: 1.08; letter-spacing: -0.035em; }
@media (min-width: 800px) { .values { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.fit { width: 100%; margin-top: clamp(36px, 4vw, 57px); border-collapse: collapse; text-align: left; }
.fit th, .fit td { padding: var(--space-4) 0; vertical-align: top; font-size: var(--fs-body); line-height: 1.5; }
.fit thead { display: none; }
.fit tr { display: grid; gap: 6px; padding-block: var(--space-4); border-top: 1px solid var(--hairline-strong); }
.fit tbody tr:last-child { border-bottom: 1px solid var(--hairline-strong); }
.fit th, .fit td { padding: 0; }
.fit tbody th { font-size: clamp(18px, 1.5vw, 21px); font-weight: var(--fw-button); letter-spacing: -0.02em; }
.fit td { color: var(--fg-soft); }
.fit td[data-label]::before { content: attr(data-label) ": "; color: var(--fg-muted); }
.fit .fit__us th, .fit .fit__us td { color: var(--color-mint); }
@media (min-width: 800px) {
  .fit thead { display: table-header-group; }
  .fit tr { display: table-row; padding: 0; border: 0; }
  .fit th, .fit td { padding: var(--space-5) var(--space-5) var(--space-5) 0; border-top: 1px solid var(--hairline-strong); }
  .fit tbody tr:last-child > * { border-bottom: 1px solid var(--hairline-strong); }
  .fit thead th { padding-block: 0 var(--space-3); border-top: 0; font-size: 12px; font-weight: var(--fw-label); letter-spacing: 0.06em; text-transform: uppercase; color: var(--fg-muted); }
  .fit td[data-label]::before { content: none; }
  .fit tbody th { width: 34%; }
}
.signoff { margin-top: var(--space-4); font-size: var(--fs-lead); font-weight: var(--fw-button); }