/* ==========================================================================
   Process — idea to impact
   hero · six-stage overview · pinned stage walkthrough (js/detail.js
   [data-flow]) · the loop · working model · closing
   ========================================================================== */
:root { --mono: ui-monospace, SFMono-Regular, Menlo, monospace; }

/* ==========================================================================
   Hero
   ========================================================================== */
.pr-hero { position: relative; isolation: isolate; display: flex; flex-direction: column; min-height: 100svh; overflow: hidden; padding: calc(var(--header-h) + clamp(2rem, 7vh, 5rem)) 0 clamp(1.75rem, 4vh, 3rem); background: var(--black); color: var(--white); }
.pr-hero__glow { position: absolute; left: 18%; right: -12%; bottom: -34%; z-index: -1; height: 90%; background: radial-gradient(34% 44% at 40% 50%, rgb(107 63 212 / 0.4), transparent 70%), radial-gradient(30% 42% at 76% 44%, rgb(58 126 246 / 0.34), transparent 70%); pointer-events: none; }
.pr-hero__inner { display: flex; flex: 1; flex-direction: column; }
.pr-hero__label { display: flex; align-items: center; gap: 1.25rem; font-size: var(--fs-small); font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: rgb(255 255 255 / 0.5); }
.pr-hero__label span:first-child { color: var(--white); }
.pr-hero__label span + span::before { content: ""; display: inline-block; width: 2rem; height: 1px; margin-right: 1.25rem; background: currentColor; vertical-align: middle; }
.pr-hero__title { margin-block: auto; padding-block: clamp(2.5rem, 7vh, 5rem); font-size: clamp(3.2rem, 0.6rem + 10vw, 13rem); font-weight: 700; line-height: 0.9; letter-spacing: -0.06em; }
.pr-hero__title .mask { display: block; width: fit-content; padding-bottom: 0.18em; margin-bottom: -0.18em; }
.pr-hero__foot { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 1.5rem 3rem; }
.pr-hero__lead { max-width: 26em; font-size: clamp(1.1rem, 0.9rem + 0.6vw, 1.6rem); line-height: 1.35; letter-spacing: -0.02em; color: rgb(255 255 255 / 0.74); }
.pr-hero__next { display: inline-flex; align-items: center; gap: 0.9rem; padding-bottom: 0.35rem; border-bottom: 1px solid rgb(255 255 255 / 0.3); font-size: var(--fs-small); font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; transition: border-color 0.35s; }
.pr-hero__next svg { width: 1.3rem; height: 0.65rem; rotate: 90deg; transition: translate 0.5s var(--ease-out); }
.pr-hero__next:is(:hover, :focus-visible) { border-color: var(--white); }
.pr-hero__next:is(:hover, :focus-visible) svg { translate: 0 0.25rem; }

@media (prefers-reduced-motion: no-preference) {
  .js .pr-hero__title .mask > span { transform: translate3d(0, 110%, 0); }
  .is-loaded .pr-hero__title .mask > span { transform: none; transition: transform 1.3s var(--ease-out) calc(var(--d) * 140ms + 150ms); }
}

/* ==========================================================================
   Overview — six stages across the page
   ========================================================================== */
.ov { background: var(--off-white); color: var(--black); padding-block: clamp(4.5rem, 9vw, 10rem); }
.ov__head { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr); align-items: end; gap: 1.25rem clamp(2rem, 6vw, 8rem); }
.ov__head .d-eyebrow { grid-column: 1 / -1; }
.ov__title { font-size: clamp(2.3rem, 0.9rem + 4.6vw, 6.5rem); font-weight: 700; line-height: 0.94; letter-spacing: -0.055em; }
.ov__title .mask { display: block; width: fit-content; padding-bottom: 0.12em; margin-bottom: -0.12em; }
.ov__aside { max-width: 26em; font-size: clamp(1rem, 0.85rem + 0.35vw, 1.25rem); line-height: 1.45; color: #5e5e5e; }

.ov__list { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); margin-top: clamp(3rem, 6vw, 6rem); border-top: 1px solid var(--black); }
.ov__stage { position: relative; }
.ov__stage + .ov__stage { border-left: 1px solid var(--border-light); }
.ov__stage a { display: grid; align-content: start; gap: clamp(0.5rem, 1vw, 0.9rem); height: 100%; padding: clamp(1.75rem, 3vw, 3rem) clamp(0.75rem, 1.5vw, 1.5rem) clamp(2rem, 4vw, 3.5rem); }
.ov__stage::before { content: ""; position: absolute; left: clamp(0.75rem, 1.5vw, 1.5rem); top: -6px; width: 11px; height: 11px; border-radius: 50%; background: var(--off-white); border: 1.5px solid var(--black); transition: background-color 0.5s, border-color 0.5s; transition-delay: calc(var(--i) * 120ms + 0.3s); }
.ov__stage.is-in::before { background: var(--blue); border-color: var(--blue); }
.ov__num { font-size: clamp(2.6rem, 1rem + 4.2vw, 5.5rem); font-weight: 700; line-height: 1; letter-spacing: -0.055em; color: transparent; -webkit-text-stroke: 1.5px rgb(0 0 0 / 0.3); transition: color 0.4s, -webkit-text-stroke-color 0.4s; }
.ov__name { font-size: clamp(1.2rem, 0.9rem + 0.9vw, 1.9rem); font-weight: 600; line-height: 1.05; letter-spacing: -0.04em; transition: color 0.35s; }
.ov__line { font-size: 0.92rem; line-height: 1.45; color: #5e5e5e; }
.ov__stage a:is(:hover, :focus-visible) .ov__num { color: var(--blue); -webkit-text-stroke-color: var(--blue); }
.ov__stage a:is(:hover, :focus-visible) .ov__name { color: var(--blue); }
.ov__stage a:focus-visible { outline-offset: -2px; }

/* ==========================================================================
   Pinned walkthrough
   ========================================================================== */
.prc { position: relative; background: var(--black); color: var(--white); }
.prc .flow__head { display: flex; justify-content: space-between; align-items: flex-end; gap: 2rem; }
.prc .flow__title { margin-top: 1rem; font-size: clamp(2rem, 0.9rem + 2.8vw, 4.25rem); font-weight: 700; line-height: 0.98; letter-spacing: -0.05em; }
.prc .flow__title .mask { display: block; width: fit-content; padding-bottom: 0.12em; margin-bottom: -0.12em; }
.prc .flow__status { font: 500 var(--fs-small)/1 var(--mono); letter-spacing: 0.04em; color: var(--blue-bright); white-space: nowrap; }
.prc .flow__steps { position: relative; padding-left: 2rem; }
.prc .flow__rail { position: absolute; left: 0; top: 0.6rem; bottom: 0.6rem; width: 1px; background: rgb(255 255 255 / 0.14); }
.prc .flow__rail i { position: absolute; inset: 0; background: linear-gradient(var(--purple), var(--blue-bright)); transform-origin: 50% 0; transform: scaleY(var(--flow-progress, 0.16)); transition: transform 0.8s var(--ease-out); }
.prc .flow__btn { display: flex; align-items: baseline; gap: 0.8rem; padding-block: clamp(0.2rem, 0.7vh, 0.5rem); text-align: left; color: rgb(255 255 255 / 0.32); transition: color 0.45s, transform 0.7s var(--ease-out); }
.prc .flow__num { font-size: var(--fs-micro); font-weight: 600; letter-spacing: 0.1em; font-variant-numeric: tabular-nums; transition: color 0.45s; }
.prc .flow__name { font-size: clamp(1.5rem, 0.9rem + 1.6vw, 2.6rem); font-weight: 600; line-height: 1.05; letter-spacing: -0.04em; }
.prc .flow__step.is-done .flow__btn { color: rgb(255 255 255 / 0.7); }
.prc .flow__step.is-active .flow__btn { color: var(--white); transform: translateX(0.5rem); }
.prc .flow__step.is-active .flow__num { color: var(--blue-bright); }
.prc .flow__btn:is(:hover, :focus-visible) { color: var(--white); }

.prc__detail { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.85rem clamp(1rem, 2vw, 2rem); }
.prc__cell:nth-child(2) { grid-column: 1 / -1; } /* 'what happens' runs full width; deliverables and who share the last row */
.prc__cell b { display: block; margin-bottom: 0.35rem; font-size: var(--fs-micro); font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--blue-bright); }
.prc__cell p { font-size: 0.9rem; line-height: 1.45; color: rgb(255 255 255 / 0.62); }
.prc__cell--obj { grid-column: 1 / -1; }
.prc__cell--obj p { font-size: clamp(0.98rem, 0.9rem + 0.3vw, 1.15rem); line-height: 1.35; letter-spacing: -0.015em; color: var(--white); }

/* ---- the artefact that assembles, stage by stage ---- */
.board { container-type: inline-size; }
.board__canvas { position: relative; aspect-ratio: 16 / 11; border-radius: 1rem; background: #0b0b10; box-shadow: inset 0 0 0 1px rgb(255 255 255 / 0.08); overflow: hidden; }
.board__canvas::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgb(255 255 255 / 0.04) 1px, transparent 1px), linear-gradient(90deg, rgb(255 255 255 / 0.04) 1px, transparent 1px); background-size: 6cqi 6cqi; }
.board__layer { position: absolute; inset: 0; transition: opacity 0.7s var(--ease-soft), transform 0.9s var(--ease-out); }
.js .board__layer:not(.is-shown) { opacity: 0; transform: translate3d(0, 1.5cqi, 0); }
.bd-tag { position: absolute; left: 3cqi; bottom: 2.6cqi; font: 600 max(0.6rem, 1.5cqi)/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--blue-bright); opacity: 0; transition: opacity 0.4s; }
.board__layer.is-current .bd-tag { opacity: 1; }

.bd-note { position: absolute; left: calc(var(--x) * 1cqi); top: calc(var(--y) * 1cqi); display: inline-flex; align-items: center; gap: 1.2cqi; padding: 1.2cqi 2cqi; border-radius: 1cqi; background: rgb(255 255 255 / 0.06); box-shadow: inset 0 0 0 1px rgb(255 255 255 / 0.12); font-size: max(0.6rem, 1.7cqi); color: rgb(255 255 255 / 0.75); white-space: nowrap; }
.bd-note i { width: 1.3cqi; aspect-ratio: 1; border-radius: 50%; background: var(--blue-bright); }
.bd-frame { position: absolute; inset: 7cqi 6cqi 16cqi; border: 1px dashed rgb(255 255 255 / 0.3); border-radius: 0.8cqi; background-image: linear-gradient(90deg, transparent 0 33.33%, rgb(255 255 255 / 0.08) 33.33% calc(33.33% + 1px), transparent 0 66.66%, rgb(255 255 255 / 0.08) 66.66% calc(66.66% + 1px), transparent 0); }
.bd-road { position: absolute; left: 6cqi; right: 6cqi; bottom: 8cqi; display: flex; gap: 1.2cqi; }
.bd-road i { height: 3.4cqi; width: calc(var(--w) * 1cqi); display: grid; place-items: center; border: 1px dashed rgb(255 255 255 / 0.28); border-radius: 0.5cqi; font: 500 max(0.55rem, 1.4cqi) var(--mono); color: rgb(255 255 255 / 0.5); }
.bd-ui { position: absolute; border-radius: 1cqi; }
.bd-ui--bar { left: 8cqi; right: 8cqi; top: 10cqi; height: 4cqi; background: rgb(255 255 255 / 0.14); }
.bd-ui--hero { left: 8cqi; right: 8cqi; top: 16.5cqi; height: 15cqi; background: linear-gradient(115deg, rgb(107 63 212 / 0.6), rgb(58 126 246 / 0.45)); }
.bd-ui--card { top: 34cqi; left: calc(8cqi + var(--c) * 19cqi); width: 17cqi; height: 11cqi; background: rgb(255 255 255 / 0.1); box-shadow: inset 0 0 0 1px rgb(255 255 255 / 0.08); }
.bd-code { position: absolute; left: 8cqi; bottom: 10cqi; display: grid; gap: 1.3cqi; }
.bd-code i { height: 1.2cqi; width: calc(var(--w) * 1cqi); border-radius: 999px; background: rgb(255 255 255 / 0.22); }
.bd-code i:nth-child(2) { background: rgb(91 150 255 / 0.55); }
.bd-svc { position: absolute; left: calc(var(--x) * 1cqi); top: calc(var(--y) * 1cqi); display: grid; place-items: center; width: 9cqi; aspect-ratio: 1; border-radius: 50%; background: #10101a; box-shadow: inset 0 0 0 1px rgb(91 150 255 / 0.5); font: 600 max(0.55rem, 1.6cqi) var(--mono); color: var(--blue-bright); }
.bd-svc--ai { box-shadow: inset 0 0 0 1px rgb(139 106 255 / 0.6); color: #b49bff; }
.bd-wire { position: absolute; left: 44cqi; top: 45cqi; width: 26cqi; height: 1px; rotate: 14deg; background: repeating-linear-gradient(90deg, rgb(91 150 255 / 0.55) 0 1.4cqi, transparent 1.4cqi 3cqi); }
.bd-live { position: absolute; right: 6cqi; top: 5cqi; display: inline-flex; align-items: center; gap: 1.2cqi; padding: 1.1cqi 2.2cqi; border-radius: 999px; background: rgb(116 214 90 / 0.14); box-shadow: inset 0 0 0 1px rgb(116 214 90 / 0.45); font-size: max(0.6rem, 1.6cqi); font-weight: 600; color: #8fe27a; }
.bd-live i { width: 1.4cqi; aspect-ratio: 1; border-radius: 50%; background: #74d65a; }
.bd-deploy { position: absolute; left: 8cqi; right: 8cqi; bottom: 5.2cqi; height: 1.6cqi; border-radius: 999px; background: rgb(255 255 255 / 0.12); overflow: hidden; }
.bd-deploy em { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--blue), #74d65a); transform: scaleX(0); transform-origin: 0 50%; transition: transform 1.4s var(--ease-out) 0.2s; }
.board__layer--launch.is-shown .bd-deploy em { transform: none; }
.bd-chart { position: absolute; right: 6cqi; bottom: 9cqi; width: 34cqi; }
.bd-chart svg { width: 100%; height: 14cqi; overflow: visible; }
.bd-chart path { fill: none; stroke: var(--blue-bright); stroke-width: 2; stroke-linecap: round; stroke-dasharray: 1; stroke-dashoffset: 1; }
.board__layer--improve.is-shown .bd-chart path { stroke-dashoffset: 0; transition: stroke-dashoffset 1.6s var(--ease-out) 0.3s; }
.bd-loop { position: absolute; right: 8cqi; top: 38cqi; width: 8cqi; }
.bd-loop svg { width: 100%; height: auto; fill: none; stroke: rgb(255 255 255 / 0.55); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }

@media (min-width: 64.0625em) {
  .prc { --mark: 55svh; }
  .prc .flow__stage {
    position: sticky; top: 0; height: 100svh;
    display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); grid-template-rows: auto minmax(0, 1fr);
    column-gap: clamp(2rem, 4vw, 5rem); row-gap: clamp(1rem, 3vh, 2.5rem);
    padding: calc(var(--header-h) + 1vh) max(var(--gutter), (100% - var(--container)) / 2) clamp(1.5rem, 4vh, 3rem);
  }
  .prc .flow__head { grid-column: 1 / -1; }
  .prc .flow__steps { --det-h: 15rem; align-self: center; padding-bottom: calc(var(--det-h) + 1rem); }
  .prc .flow__rail { bottom: calc(var(--det-h) + 1.6rem); }
  .prc__detail { position: absolute; left: 2rem; right: 0; bottom: 0; height: var(--det-h); align-content: start; visibility: hidden; opacity: 0; transform: translate3d(0, 0.6rem, 0); transition: opacity 0.35s var(--ease-soft), transform 0.6s var(--ease-out), visibility 0s linear 0.6s; }
  .prc .flow__step.is-active .prc__detail { visibility: visible; opacity: 1; transform: none; transition-delay: 0.05s, 0.05s, 0s; }
  .board { align-self: center; justify-self: end; width: min(100%, (100svh - var(--header-h) - 11rem) * 1.45); }
  .prc .flow__markers { margin-top: -100svh; pointer-events: none; }
  .prc .flow__markers i { display: block; height: var(--mark); }
  .prc .flow__markers i:last-child { height: calc(var(--mark) + 45svh); }
}
/* shorter laptop screens: tighten the pinned stage */
@media (min-width: 64.0625em) and (max-height: 50em) {
  .prc .flow__title { font-size: clamp(1.8rem, 0.6rem + 2.2vw, 3rem); }
  .prc .flow__name { font-size: clamp(1.3rem, 0.8rem + 1vw, 1.9rem); }
  .prc .flow__steps { --det-h: 13rem; }
  .prc__cell p { font-size: 0.85rem; }
}
@media (max-width: 64em) {
  .prc { padding-block: clamp(4.5rem, 12vw, 7rem); }
  .prc .flow__stage { width: min(var(--container), 100% - var(--gutter) * 2); margin-inline: auto; }
  .prc .flow__status, .prc .flow__markers { display: none; }
  .prc .flow__steps { margin-top: 2.5rem; }
  .prc .flow__rail i { transform: none; }
  .prc .flow__step { padding-bottom: 2.25rem; }
  .prc .flow__step .flow__btn { color: var(--white); transform: none; }
  .prc__detail { margin-top: 1rem; }
  .board { margin-top: 2.5rem; }
}

/* ==========================================================================
   The loop
   ========================================================================== */
.loop { background: var(--black); color: var(--white); padding-block: clamp(5rem, 10vw, 12rem); }
.loop__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr); align-items: center; gap: 3rem clamp(2rem, 6vw, 7rem); }
.loop__title { margin-top: 1.25rem; font-size: clamp(2.6rem, 1rem + 5.6vw, 7.5rem); font-weight: 700; line-height: 0.94; letter-spacing: -0.06em; }
.loop__title .mask { display: block; width: fit-content; padding-bottom: 0.14em; margin-bottom: -0.14em; }
.loop__note { max-width: 30em; margin-top: clamp(1.5rem, 3vw, 2.5rem); font-size: clamp(1rem, 0.9rem + 0.35vw, 1.25rem); line-height: 1.5; color: rgb(255 255 255 / 0.62); }
.ring { justify-self: center; width: min(100%, 30rem); }
.ring svg { width: 100%; height: auto; }
.ring__track { fill: none; stroke: rgb(255 255 255 / 0.14); stroke-width: 1.5; }
.ring__run { fill: none; stroke: var(--blue-bright); stroke-width: 3; stroke-linecap: round; stroke-dasharray: 0.16 0.84; }
.ring__dot { fill: var(--white); }
.ring__nodes circle { fill: #0b0b0f; stroke: rgb(255 255 255 / 0.5); stroke-width: 2; }
.ring__labels text { font-size: 13px; font-weight: 600; letter-spacing: 2.5px; fill: rgb(255 255 255 / 0.72); }
.ring__mid { font-size: 21px; font-weight: 700; letter-spacing: 3px; fill: rgb(255 255 255 / 0.22); }
.ring__mid--sub { fill: rgb(255 255 255 / 0.14); }
.ring__spin, .ring__run { transform-box: view-box; transform-origin: 200px 200px; }

@media (prefers-reduced-motion: no-preference) {
  .ring__spin, .ring__run { animation: ring-spin 11s linear infinite; }
  .loop.is-paused .ring__spin, .loop.is-paused .ring__run { animation-play-state: paused; }
  @keyframes ring-spin { to { rotate: 360deg; } }
}

/* ==========================================================================
   Working model
   ========================================================================== */
.wm { background: var(--off-white); color: var(--black); padding-block: clamp(5rem, 10vw, 11rem); }
.wm__head { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); align-items: end; gap: 1.25rem clamp(2rem, 6vw, 8rem); }
.wm__head .d-eyebrow { grid-column: 1 / -1; }
.wm__title { font-size: clamp(2.3rem, 0.9rem + 4.4vw, 6.25rem); font-weight: 700; line-height: 0.94; letter-spacing: -0.055em; }
.wm__title .mask { display: block; width: fit-content; padding-bottom: 0.12em; margin-bottom: -0.12em; }
.wm__lead { max-width: 28em; font-size: clamp(1rem, 0.9rem + 0.35vw, 1.25rem); line-height: 1.5; color: #5e5e5e; }
.wm__list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 clamp(2rem, 5vw, 5rem); margin-top: clamp(3rem, 6vw, 6rem); border-top: 1px solid var(--black); }
.wm__row { position: relative; padding-block: clamp(1.5rem, 2.6vw, 2.25rem); border-bottom: 1px solid var(--border-light); }
.wm__row::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 1px; background: linear-gradient(90deg, var(--purple), var(--blue)); transform: scaleX(0); transform-origin: 0 50%; transition: transform 0.8s var(--ease-out); }
.wm__row:hover::after { transform: none; }
.wm__row dt { display: flex; align-items: baseline; gap: 1rem; font-size: clamp(1.25rem, 0.95rem + 1vw, 2rem); font-weight: 600; line-height: 1.05; letter-spacing: -0.04em; }
.wm__row dt b { width: 2.2rem; flex: none; font-size: var(--fs-small); font-weight: 600; letter-spacing: 0.08em; color: var(--blue); font-variant-numeric: tabular-nums; }
.wm__row dd { margin-top: 0.6rem; padding-left: 3.2rem; font-size: 0.98rem; line-height: 1.5; color: #5e5e5e; }

.pr-cta .s-cta__text strong { font-weight: 600; color: var(--black); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 64em) {
  .ov__head, .wm__head { grid-template-columns: 1fr; }
  .ov__list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .ov__stage:nth-child(3n + 1) { border-left: 0; }
  .ov__stage:nth-child(n + 4) { border-top: 1px solid var(--border-light); }
  .ov__stage:nth-child(n + 4)::before { top: calc(-6px - 1px); }
  .loop__grid { grid-template-columns: 1fr; }
  .ring { justify-self: start; }
}

@media (max-width: 48em) {
  .ov__list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ov__stage:nth-child(3n + 1) { border-left: 1px solid var(--border-light); }
  .ov__stage:nth-child(odd) { border-left: 0; }
  .ov__stage:nth-child(n + 3) { border-top: 1px solid var(--border-light); }
  .prc__detail { grid-template-columns: 1fr; }
  .wm__list { grid-template-columns: 1fr; }
  .wm__row dd { padding-left: 3.2rem; }
}

@media (max-width: 30em) {
  .ov__list { grid-template-columns: 1fr; }
  .ov__stage { border-left: 0 !important; }
  .ov__stage + .ov__stage { border-top: 1px solid var(--border-light); }
}