/* Hallmark · shape: Conversational FAQ, heads rewritten as plain statements at the owner's request (research leads with its statement) · genre: modern-minimal · theme: Furrow (by request) · job: hire · draw: 738523
 * hero: Poster · nav: slab · footer: colophon block · imagery: none · signature: Luke's own knowledge graph surveyed as land, his facts pinned on a generated contour map
 * axes: light/grotesk-sans/warm · posture: committed · contrast: pass · fold: pass · v2.0.0 */
/* Hallmark · pre-emit critique: P4 H4 E4 S5 R4 V5 · weakest: P, a short page has little to argue; the graph carries the claim that his facts are linked data, drawn from the same records the page publishes */
/* Hallmark · motion (owner's request, beyond the theme's one settle): plotter sweep draws the map and lands the pins, edges draw, a message pass on each selected node, the map as a loss landscape (a gradient field round a fine pointer, gradient descent runs on click), a lattice graph that grows behind the research statement, then fills in missing links several at a time, graph paper under the work cards that bends into a well as each card lands, a part-of chain in the study rows, a ravine leading into the contact card (descents zigzag along its floor into the card, the pointer dents the land), a contour strip plotted in the footer, a nav underline, view transitions for the card and the language switch, ruled lines drawn on scroll; all off under reduced motion, nothing loops */
/* Hallmark · copy: verbatim · paper titles are quoted as published ("Robust" is part of the K-CAP 2025 title) */
/* Hallmark · waive 59 · the work section's graph paper is a canvas that fills the section from its top edge, fading in over 120px; the heading sits 176px below the research band · the measured 0px gap is the canvas, not the content */
/* Hallmark · dismissed 49 · the install commands are code and may wrap on a phone; the button copies them whole */
/* Hallmark · answered F20 · the card foot is one row of three, two keys and the centred link count; the count sits lower only because it is shorter */
/* Hallmark · hero-review: fix · 5 findings · 4 resolved 1 partial (the open publications link waits for the owner's papers) */
/* Hallmark · finish-review: subagent · 8 findings · 7 resolved 1 partial · gap: the graph stopped at the fold; study rows now open their nodes on the map, the dashed link is explained in the research band. Study stays its own section (five-section floor) */
@import url("./tokens.css");
@import url("./base.css");

:root { --nav-h: 64px; --pin: 18px; }

.lg-defs { position: absolute; inline-size: 0; block-size: 0; overflow: hidden; }

/* A way past the nav */
.skip { position: absolute; left: var(--space-md); top: calc(-1 * var(--space-3xl)); z-index: var(--z-toast); padding: var(--space-xs) var(--space-md); background: var(--color-ink); color: var(--color-paper); }
.skip:focus-visible { top: var(--space-md); }

/* Nav: an ink slab */
/* Nav: a sticky capsule of frosted manila glass that floats over the page. Specular rim on top,
   a soft shade below, an ink hairline; in Chromium the rim also refracts what lies behind it. */
.slab { position: sticky; top: var(--space-sm); z-index: var(--z-sticky-nav); inline-size: min(calc(100% - 2 * var(--gutter) + 2 * var(--space-md)), calc(var(--container) - 2 * var(--gutter) + 2 * var(--space-md))); margin: var(--space-sm) auto calc(-1 * (var(--nav-h) + var(--space-sm))); border-radius: var(--radius-entry); color: var(--color-ink); background: linear-gradient(180deg, color-mix(in oklab, var(--color-sheet) 74%, transparent), color-mix(in oklab, var(--color-paper) 60%, transparent)); -webkit-backdrop-filter: blur(14px) saturate(1.6); backdrop-filter: blur(14px) saturate(1.6); box-shadow: inset 0 1px 0 color-mix(in oklab, var(--color-sheet) 95%, transparent), inset 0 -1px 0 color-mix(in oklab, var(--color-ink) 9%, transparent), 0 0 0 1px color-mix(in oklab, var(--color-ink) 16%, transparent), 0 1px 2px color-mix(in oklab, var(--color-ink) 8%, transparent), 0 14px 32px -16px color-mix(in oklab, var(--color-ink) 34%, transparent); }
.liquid .slab { -webkit-backdrop-filter: url(#liquid) blur(7px) saturate(1.6); backdrop-filter: url(#liquid) blur(7px) saturate(1.6); }
.slab::before { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; background: radial-gradient(120% 140% at 18% -30%, color-mix(in oklab, var(--color-sheet) 55%, transparent), transparent 55%); }
.slab__in { position: relative; display: flex; align-items: center; justify-content: space-between; gap: var(--space-lg); min-height: var(--nav-h); padding-inline: var(--space-lg); }
.slab__mark { font: 600 var(--text-lg)/1 var(--font-display); letter-spacing: -0.02em; color: var(--color-ink); text-decoration: none; white-space: nowrap; }
.slab__links { display: flex; align-items: center; gap: var(--space-lg); margin: 0; padding: 0; list-style: none; }
.slab__links a { display: inline-flex; align-items: center; min-height: 44px; font-size: var(--text-sm); font-weight: 500; color: var(--color-ink-2); text-decoration: none; white-space: nowrap; transition: color var(--dur-short) var(--ease-out); }
.slab__links a:hover { color: var(--color-ink); }
.slab__links a[aria-current] { color: var(--color-ink); }
/* one tangerine rail travels under the active link: it follows the section in view, previews the
   link under the pointer and rides along with a fly-to; transform only */
.slab__ind { position: absolute; inset-inline-start: 0; inset-block-end: var(--space-xs); inline-size: 1px; block-size: 2px; border-radius: 1px; background: var(--color-accent); pointer-events: none; transform-origin: left center; transform: translateX(var(--ind-x, 0px)) scaleX(var(--ind-w, 0)); transition: transform 460ms var(--ease-out), opacity var(--dur-short) var(--ease-out); }
.js .slab__ind:not(.is-on) { opacity: 0; }
.slab__mark:focus-visible, .slab__links a:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 4px; }
.slab__lang { padding-left: var(--space-lg); border-left: 1px solid color-mix(in oklab, var(--color-ink) 16%, transparent); }

/* Moulded keys */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-xs); min-height: 48px; padding: 0 var(--space-lg); border: var(--rule-hair) solid var(--color-rule); border-radius: var(--radius-pill); background: var(--color-paper-2); color: var(--color-ink); font: 500 var(--text-md)/1 var(--font-body); white-space: nowrap; text-decoration: none; cursor: pointer; box-shadow: inset 0 1px 0 var(--color-sheet), 0 1px 1px var(--color-rule); transition: background-color var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out); }
.btn:hover { background: var(--color-sheet); border-color: var(--color-muted); }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; }
.btn:disabled, .btn[aria-disabled="true"] { opacity: 0.55; cursor: not-allowed; transform: none; }
.btn--primary { background: var(--color-accent); color: var(--color-accent-ink); border-color: color-mix(in oklab, var(--color-accent) 78%, var(--color-ink)); box-shadow: inset 0 1px 0 color-mix(in oklab, var(--color-sheet) 32%, transparent), inset 0 -1px 0 color-mix(in oklab, var(--color-ink) 10%, transparent); }
.btn--primary:hover { background: color-mix(in oklab, var(--color-accent) 88%, var(--color-ink)); border-color: color-mix(in oklab, var(--color-accent) 70%, var(--color-ink)); }

.link { font-weight: 500; color: var(--color-ink); text-decoration-color: var(--color-accent); text-decoration-thickness: 2px; text-underline-offset: 0.22em; transition: text-decoration-color var(--dur-short) var(--ease-out); }
.link:hover { text-decoration-color: var(--color-ink); }
.link:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }

/* Hero: the survey */
.hero { position: relative; display: grid; min-height: 100dvh; isolation: isolate; background: var(--color-paper); }
.survey { position: absolute; inset: 0; margin: 0; z-index: var(--z-base); }
.survey__map { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.survey::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(to top right, color-mix(in oklab, var(--color-paper) 94%, transparent) 20%, color-mix(in oklab, var(--color-paper) 64%, transparent) 38%, transparent 60%); }
.survey__plot { cursor: crosshair; position: absolute; inset-block: calc(var(--nav-h) + var(--space-sm) * 2) 0; inset-inline: max(var(--gutter), calc((100% - var(--container)) / 2 + var(--gutter))); z-index: var(--z-raised); }

.pin { position: absolute; left: calc(var(--x) * 1%); top: calc(var(--y) * 1%); display: inline-flex; align-items: center; gap: var(--space-xs); min-height: 44px; padding: 0; border: 0; border-radius: var(--radius-pill); background: none; color: var(--color-ink); font: 500 var(--text-xs)/1 var(--font-body); white-space: nowrap; cursor: pointer; translate: calc(var(--pin) / -2) -50%; }
.pin--left { flex-direction: row-reverse; translate: calc(-100% + var(--pin) / 2) -50%; }
.pin__mark { inline-size: var(--pin); block-size: var(--pin); flex-shrink: 0; background: var(--color-ink); box-shadow: 0 0 0 2px var(--color-paper-2); transition: background-color var(--dur-micro) var(--ease-out); }
.pin--disc .pin__mark { border-radius: 50%; }
.pin--diamond .pin__mark { inline-size: 13px; block-size: 13px; margin: var(--space-3xs); rotate: 45deg; }
.pin--triangle .pin__mark { clip-path: polygon(50% 4%, 98% 94%, 2% 94%); }
.pin--ring .pin__mark { border-radius: 50%; background: var(--color-paper-2); box-shadow: inset 0 0 0 2px var(--color-ink); }
.pin__tag { padding: var(--space-2xs) var(--space-xs); border-radius: var(--space-2xs); background: var(--color-paper-2); box-shadow: 0 0 0 1px var(--color-rule); transition: box-shadow var(--dur-short) var(--ease-out); }
.pin:hover .pin__tag { box-shadow: 0 0 0 1px var(--color-ink); }
.pin:active .pin__mark { transform: scale(0.92); }
.pin:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; }
.pin[aria-pressed="true"] .pin__mark { background: var(--color-accent); box-shadow: 0 0 0 2px var(--color-ink); }
.pin[aria-pressed="true"] .pin__tag { background: var(--color-ink); color: var(--color-paper); box-shadow: none; }

/* The pins land as the plotter sweep passes them */
.js .pin { opacity: 0; transform: translateY(calc(-1 * var(--space-xs))); transition: opacity var(--dur-long) var(--ease-out), transform var(--dur-long) var(--ease-out); }
.js .pin.is-landed { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .js .pin { opacity: 1; transform: none; transition: none; } }

/* Hovering a pin brings its neighbourhood forward */
.pin__tag { transition: box-shadow var(--dur-short) var(--ease-out), opacity var(--dur-short) var(--ease-out); }
.survey.is-hovering .pin:not(.is-near):not(.is-hover):not([aria-pressed="true"]) .pin__tag { opacity: 0.45; }
.pin.is-near .pin__tag { box-shadow: 0 0 0 1px var(--color-ink); }

.hero__in { position: relative; z-index: var(--z-raised); display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gap-columns); align-items: end; align-self: end; padding-block: var(--space-3xl); pointer-events: none; }
.hero__in > * { pointer-events: auto; }
.hero__text { grid-column: 1 / span 6; display: grid; justify-items: start; gap: var(--space-lg); }
.hero h1 { max-width: 10ch; font-size: clamp(3.5rem, 7.5vw, 7rem); line-height: 0.94; }
.hero .lead { max-width: 34ch; color: var(--color-ink-2); }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); padding-top: var(--space-xs); }
.hero__card { grid-column: 9 / span 4; }

/* The notebook card */
.entry { border-radius: var(--radius-entry); background: var(--color-paper-2); box-shadow: 0 0 0 1px var(--color-ink), var(--shadow-lift); overflow: hidden; }
.entry__head { display: flex; align-items: center; justify-content: space-between; gap: var(--space-sm); min-height: 40px; padding: 0 var(--space-md); background: var(--color-ink); color: var(--color-paper); font-size: var(--text-sm); font-weight: 500; }
.entry__id { font: 400 var(--text-sm)/1 var(--font-outlier); color: color-mix(in oklab, var(--color-paper) 78%, var(--color-ink)); }
.entry__name { display: grid; justify-items: start; gap: var(--space-2xs); padding: var(--space-sm) var(--space-md); font: 600 var(--text-2xl)/1.05 var(--font-display); letter-spacing: var(--tracking-display); overflow-wrap: break-word; }
.entry__link { display: inline-flex; align-items: center; gap: var(--space-xs); max-width: 100%; color: var(--color-ink); text-decoration: none; }
.entry__link [data-card-name] { min-width: 0; text-decoration: underline; text-decoration-color: transparent; text-decoration-thickness: 2px; text-underline-offset: 0.14em; transition: text-decoration-color var(--dur-short) var(--ease-out); }
.entry__link:hover [data-card-name] { text-decoration-color: var(--color-accent); }
.entry__link:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; border-radius: var(--space-2xs); }
.entry__ext { inline-size: 20px; block-size: 20px; flex-shrink: 0; color: var(--color-muted); transition: transform var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out); }
.entry__link:hover .entry__ext { transform: translate(2px, -2px); color: var(--color-ink); }
.entry__host { font: 400 var(--text-sm)/1.2 var(--font-body); letter-spacing: 0; color: var(--color-muted); }
.entry__cells { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 0; border-top: 1px solid var(--color-ink); }
.entry__cells > div { min-width: 0; padding: var(--space-sm) var(--space-md); border-bottom: 1px solid var(--color-ink); }
.entry__cells > div:nth-child(odd) { border-right: 1px solid var(--color-ink); }
.entry__cells > div:last-child:nth-child(odd) { grid-column: 1 / -1; border-right: 0; }
.entry__cells dt { font-size: var(--text-xs); color: var(--color-muted); }
.entry__cells dd { margin: 0; font-weight: 500; overflow-wrap: break-word; }
.entry__cells dd.is-open { color: var(--color-muted); }
.entry__cells a { color: var(--color-ink); text-decoration-color: var(--color-accent); text-decoration-thickness: 2px; text-underline-offset: 0.2em; }
.entry__cells a:hover { text-decoration-color: var(--color-ink); }
.entry__cells a:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; }
.entry__cells a.num { font-family: var(--font-outlier); font-size: 0.95em; white-space: nowrap; }
.notebook { background: linear-gradient(var(--color-grid) 1px, transparent 1px) 0 0 / 8px 8px, linear-gradient(90deg, var(--color-grid) 1px, transparent 1px) 0 0 / 8px 8px, var(--color-paper-2); }
.entry__foot { display: grid; grid-template-columns: 52px minmax(0, 1fr) 52px; align-items: center; min-height: 52px; }
.key { display: grid; place-items: center; min-height: 52px; padding: 0; border: 0; background: none; color: var(--color-ink); cursor: pointer; transition: background-color var(--dur-short) var(--ease-out); }
.key:first-child { border-right: 1px solid var(--color-ink); }
.key:last-child { border-left: 1px solid var(--color-ink); }
.key:hover { background: var(--color-paper-3); }
.key:active { transform: translateY(1px); }
.key:focus-visible { outline: 2px solid var(--color-focus); outline-offset: -4px; }
.key:disabled { opacity: 0.55; cursor: not-allowed; }
.key svg { inline-size: 20px; block-size: 20px; }
.chip { justify-self: center; padding: var(--space-2xs) var(--space-xs); border-radius: var(--space-2xs); background: var(--color-green-soft); color: var(--color-green); font-size: var(--text-xs); font-weight: 500; }
html:not(.js) .entry__foot .key { visibility: hidden; }

/* The questions */
.qa--study { padding-top: var(--section-gap); }
/* Contact: the page's dark close, an ink band; the notebook card stays light on it */
.qa--contact { margin-top: var(--section-gap); padding-block: var(--section-gap-s); background: var(--color-ink); color: var(--color-paper); }
.qa--contact .split__head .lead { color: color-mix(in oklab, var(--color-paper) 78%, var(--color-ink)); }

.rows { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gap-columns); row-gap: var(--space-xl); align-items: start; }
.rows__head { grid-column: 1 / span 4; }
.rows__list { grid-column: 5 / span 8; margin: 0; border-top: 1px solid var(--color-ink); }
.rows__list > div { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: var(--gap-columns); align-items: baseline; padding-block: var(--space-lg); border-bottom: 1px solid var(--color-rule); }
.rows__list dt { color: var(--color-muted); }
.rows__list dd { margin: 0; font: 500 var(--text-title)/1.25 var(--font-body); }

.statement { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gap-columns); row-gap: var(--space-xl); }
.statement > * { grid-column: 1 / span 10; }
.statement__text { max-width: none; font: 400 var(--text-display-s)/1.1 var(--font-body); letter-spacing: -0.02em; text-wrap: balance; }

.band { margin-top: var(--section-gap-l); padding-block: var(--section-gap-s); background: var(--color-paper-3); }
.pubs { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); gap: var(--gap-columns); align-items: baseline; padding-top: var(--space-lg); border-top: 1px solid var(--color-ink); }
.pubs p { color: var(--color-ink-2); }
.node-link { color: var(--color-ink); text-decoration-color: var(--color-accent); text-decoration-thickness: 2px; text-underline-offset: 0.2em; transition: text-decoration-color var(--dur-short) var(--ease-out); }
.node-link:hover { text-decoration-color: var(--color-ink); }
.node-link:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }
.node-id { margin-left: var(--space-sm); font: 400 var(--text-sm)/1 var(--font-outlier); color: var(--color-muted); white-space: nowrap; }

.split { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gap-columns); row-gap: var(--space-xl); align-items: center; }
.split__head { grid-column: 1 / span 5; display: grid; gap: var(--space-lg); }
.split__head .lead { color: var(--color-ink-2); }
.split__card { grid-column: 7 / span 6; }
.entry__line { display: block; padding: var(--space-lg) var(--space-md); font: 600 clamp(1.25rem, 4.6vw + 0.25rem, var(--text-2xl))/1.1 var(--font-display); white-space: nowrap; letter-spacing: -0.02em; color: var(--color-ink); text-decoration: none; overflow-wrap: break-word; transition: color var(--dur-short) var(--ease-out); }
.entry__line:hover { text-decoration: underline; text-decoration-color: var(--color-accent); text-decoration-thickness: 2px; text-underline-offset: 0.16em; }
.entry__line:focus-visible { outline: 2px solid var(--color-focus); outline-offset: -4px; }
.entry__foot--copy { display: flex; min-height: 0; padding: var(--space-md); border-top: 1px solid var(--color-ink); }
.btn svg { inline-size: 20px; block-size: 20px; flex-shrink: 0; }
html:not(.js) [data-copy] { display: none; }

/* The hint: what the map does when you pick a spot */
.survey__hint { position: absolute; z-index: var(--z-raised); inset-block-end: var(--space-lg); inset-inline-end: max(var(--gutter), calc((100% - var(--container)) / 2 + var(--gutter))); margin: 0; padding: var(--space-2xs) var(--space-xs); border-radius: var(--space-2xs); background: var(--color-paper-2); box-shadow: 0 0 0 1px var(--color-rule); font-size: var(--text-sm); color: var(--color-muted); }
html:not(.js) .survey__hint { display: none; }
.survey__hint { display: flex; align-items: center; gap: var(--space-xs); }
.survey__pause { position: relative; display: grid; place-items: center; flex-shrink: 0; inline-size: 32px; block-size: 32px; padding: 0; border: 1px solid var(--color-rule); border-radius: var(--radius-pill); background: var(--color-paper); color: var(--color-ink); cursor: pointer; transition: background-color var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out); }
.survey__pause::before { content: ""; position: absolute; inset: calc(-1 * var(--space-xs)); }
.survey__pause svg { inline-size: 14px; block-size: 14px; }
.survey__pause:hover { background: var(--color-sheet); border-color: var(--color-muted); }
.survey__pause:active { transform: translateY(1px); }
.survey__pause:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; }
.survey__pause:disabled { opacity: 0.55; cursor: not-allowed; }
.survey__pause .icon-play, .survey__pause[aria-pressed="true"] .icon-pause { display: none; }
.survey__pause[aria-pressed="true"] .icon-play { display: block; }
@media (prefers-reduced-motion: reduce) { .survey__pause { display: none; } }

/* The research band holds a graph that grows behind its statement and fills in missing links */
.band { position: relative; isolation: isolate; }
.cloud { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
.band > .container { position: relative; z-index: 1; }
/* Work: graph paper under the cards, bending into a well round each one */
.qa--work { position: relative; isolation: isolate; }
.sheet { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; -webkit-mask-image: linear-gradient(transparent, var(--color-ink) 120px, var(--color-ink) calc(100% - 120px), transparent); mask-image: linear-gradient(transparent, var(--color-ink) 120px, var(--color-ink) calc(100% - 120px), transparent); }
.qa--work > .container { position: relative; z-index: 1; }

/* Section effects drawn on canvases behind the content */
.rows, .split { position: relative; }
.chain, .basin { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
.basin { inset-block: 0 auto; height: calc(100% + var(--space-xl)); }
.rows > :not(canvas), .split > :not(canvas) { position: relative; z-index: 1; }
.strip { display: block; inline-size: 100%; block-size: 120px; -webkit-mask-image: linear-gradient(90deg, transparent, var(--color-ink) 6%, var(--color-ink) 94%, transparent); mask-image: linear-gradient(90deg, transparent, var(--color-ink) 6%, var(--color-ink) 94%, transparent); }
@media (max-width: 40rem) { .chain { display: none; } }

/* Publications: a ruled list; each paper carries its co-author graph, drawn in once in view */
.statement > .papers-wrap { grid-column: 1 / -1; margin-top: var(--space-xl); }
.papers-wrap { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gap-columns); row-gap: var(--space-xl); align-items: start; }
.papers-wrap__head { grid-column: 1 / span 4; display: grid; gap: var(--space-md); justify-items: start; }
.papers { grid-column: 5 / span 8; margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--color-ink); }
.paper { display: grid; grid-template-columns: 56px minmax(0, 1fr) 132px; gap: var(--space-lg); align-items: start; padding-block: var(--space-lg); border-bottom: 1px solid var(--color-rule); }
.paper__year { font: 400 var(--text-sm)/1.9 var(--font-outlier); color: var(--color-muted); }
.paper__title { max-width: none; font: 600 var(--text-title)/1.25 var(--font-display); letter-spacing: -0.015em; }
.paper__title a { color: var(--color-ink); text-decoration: underline; text-decoration-color: transparent; text-decoration-thickness: 2px; text-underline-offset: 0.16em; transition: text-decoration-color var(--dur-short) var(--ease-out); }
.paper__title a:hover { text-decoration-color: var(--color-accent); }
.paper__title a:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }
.paper__authors { margin-top: var(--space-xs); font-size: var(--text-sm); color: var(--color-muted); }
.paper__authors b { font-weight: 500; color: var(--color-ink); }
.paper__venue { display: grid; gap: var(--space-xs); justify-items: start; font-size: var(--text-sm); line-height: 1.9; color: var(--color-ink-2); }
.coauthors { inline-size: 126px; block-size: 56px; overflow: visible; }
.coauthors line { stroke: var(--color-ink); stroke-opacity: 0.5; stroke-width: 1; stroke-dasharray: 1; stroke-dashoffset: 0; }
.coauthors circle { fill: var(--color-ink); }
.coauthors .me { fill: var(--color-accent); stroke: var(--color-ink); stroke-width: 1.5; }
.js .coauthors line { stroke-dashoffset: 1; transition: stroke-dashoffset 560ms var(--ease-out) calc(var(--i, 0) * 70ms + 120ms); }
.js .coauthors circle:not(.me) { opacity: 0; transition: opacity var(--dur-short) var(--ease-out) calc(var(--i, 0) * 70ms + 520ms); }
.js .coauthors.is-drawn line { stroke-dashoffset: 0; }
.js .coauthors.is-drawn circle { opacity: 1; }

/* Work: the DICE frameworks as notebook cards; each install command types itself in once in view */
.qa--work { padding-top: var(--section-gap-l); }
.work { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gap-columns); row-gap: var(--space-xl); }
.work__head { grid-column: 1 / span 7; display: grid; gap: var(--space-md); }
.work__head .lead { color: var(--color-ink-2); }
.work__grid { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--gap-columns); margin: 0; padding: 0; list-style: none; }
.tool { display: grid; grid-template-rows: auto 1fr auto; }
.tool__body { display: grid; align-content: start; gap: var(--space-xs); padding: var(--space-lg) var(--space-md) var(--space-lg); }
.tool__name { max-width: none; font: 600 var(--text-2xl)/1.05 var(--font-display); letter-spacing: var(--tracking-display); }
.tool__name a { font-size: var(--text-2xl); color: var(--color-ink); text-decoration: underline; text-decoration-color: transparent; text-decoration-thickness: 2px; text-underline-offset: 0.14em; transition: text-decoration-color var(--dur-short) var(--ease-out); }
.tool__name a:hover { text-decoration-color: var(--color-accent); }
.tool__name a:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }
.tool__text { max-width: 48ch; color: var(--color-ink-2); }
.tool__cmd { display: flex; align-items: center; justify-content: space-between; gap: var(--space-sm); inline-size: 100%; min-height: 52px; padding: 0 var(--space-md); border: 0; border-top: 1px solid var(--color-ink); color: var(--color-ink); font: 400 var(--text-sm)/1.4 var(--font-outlier); text-align: left; cursor: copy; transition: background-color var(--dur-short) var(--ease-out); }
.tool__cmd code { min-width: 0; overflow-wrap: anywhere; font: inherit; }
.tool__cmd:hover { background-color: var(--color-paper-3); }
.tool__cmd:active { transform: translateY(1px); }
.tool__cmd:focus-visible { outline: 2px solid var(--color-focus); outline-offset: -4px; }
.tool__cmd:disabled { opacity: 0.55; cursor: not-allowed; }
.tool__prompt { color: var(--color-muted); }
.tool__hint { flex-shrink: 0; font: 500 var(--text-xs)/1 var(--font-body); color: var(--color-muted); transition: color var(--dur-short) var(--ease-out); }
.tool__cmd.is-done .tool__hint { color: var(--color-green); }
.caret { display: inline-block; inline-size: 0.55em; block-size: 1.1em; margin-left: var(--space-3xs); vertical-align: -0.18em; background: var(--color-ink); animation: caret-blink 1s steps(1) 4; }
@keyframes caret-blink { 50% { opacity: 0; } }

/* Arrival after a fly-to: a tangerine survey mark sweeps under the section's heading, then fades */
:is(h2, h3)[id] { position: relative; }
.is-arrived :is(h2, h3)[id]::after { content: ""; position: absolute; inset-inline-start: 0; inset-block-end: calc(-1 * var(--space-xs)); inline-size: 72px; block-size: 3px; border-radius: 2px; background: var(--color-accent); transform-origin: left center; animation: arrive 1200ms var(--ease-out) both; }
@keyframes arrive { 0% { transform: scaleX(0); opacity: 1; } 40% { transform: scaleX(1); opacity: 1; } 100% { transform: scaleX(1); opacity: 0; } }

/* A fact still to come */
.fill { padding: 0 0.25em; border: 1px dashed color-mix(in oklch, var(--color-muted) 70%, transparent); border-radius: 3px; color: var(--color-muted); font-weight: 400; -webkit-box-decoration-break: clone; box-decoration-break: clone; }

/* Footer: the dark close continues: a full-bleed strip of contours plotted on view, then a mast
   with the name large, the links beside it, and the legal line under a fine rule */
.colophon { padding-block: var(--space-2xl) var(--space-xl); background: var(--color-ink); color: var(--color-paper); }
.colophon__in { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gap-columns); row-gap: var(--space-xl); align-items: end; padding-block-start: var(--space-2xl); }
.colophon__mark { grid-column: 1 / span 7; font: 600 var(--text-section)/1 var(--font-display); letter-spacing: var(--tracking-display); }
.colophon__links { grid-column: 9 / span 4; display: grid; gap: var(--space-xs); justify-items: start; margin: 0; padding: 0; list-style: none; }
.colophon__links a, .colophon__lang a { color: var(--color-paper); text-decoration-color: color-mix(in oklab, var(--color-paper) 35%, transparent); text-underline-offset: 0.2em; transition: text-decoration-color var(--dur-short) var(--ease-out); }
.colophon__links a:hover, .colophon__lang a:hover { text-decoration-color: var(--color-accent); }
.colophon a:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; }
.colophon__legal, .colophon__lang { padding-top: var(--space-lg); border-top: 1px solid color-mix(in oklab, var(--color-paper) 16%, transparent); font-size: var(--text-sm); color: color-mix(in oklab, var(--color-paper) 70%, var(--color-ink)); }
.colophon__legal { grid-column: 1 / span 8; display: flex; flex-wrap: wrap; gap: var(--space-xs) var(--space-lg); }
.colophon__legal a { color: inherit; text-decoration-color: color-mix(in oklab, var(--color-paper) 35%, transparent); text-underline-offset: 0.2em; transition: text-decoration-color var(--dur-short) var(--ease-out); }
.colophon__legal a:hover { text-decoration-color: var(--color-accent); }

/* On touch screens, short links get a tap area of at least 44px without moving the layout */
@media (pointer: coarse) {
  .slab__mark, .colophon a, .split__card dd a, .papers-wrap__head .link { position: relative; }
  .slab__mark::after, .colophon a::after, .split__card dd a::after, .papers-wrap__head .link::after { content: ""; position: absolute; inset: -12px -6px; }
}

/* Legal pages: one readable column under the nav */
.legal { padding-block: calc(var(--nav-h) + var(--space-3xl)) var(--section-gap); }
.legal h1 { max-width: none; font-size: var(--text-display-s); hyphens: manual; }
.legal__body { display: grid; gap: var(--space-xl); max-width: 68ch; margin-top: var(--space-2xl); }
.legal h2 { max-width: none; margin-bottom: var(--space-sm); font-size: var(--text-title); line-height: 1.25; }
.legal p + p, .legal p + ul, .legal ul + p { margin-top: var(--space-sm); }
.legal ul { display: grid; gap: var(--space-2xs); margin: var(--space-sm) 0 0; padding-left: 1.2em; }
.legal a { color: var(--color-ink); text-decoration-color: var(--color-accent); text-underline-offset: 0.18em; overflow-wrap: anywhere; }
.legal a:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; }
.legal__date { color: var(--color-muted); font-size: var(--text-sm); }
.colophon--plain .colophon__in { padding-block-start: 0; }
.colophon__lang { grid-column: 9 / span 4; }

/* Under 60rem everything stacks in reading order */
@media (max-width: 60rem) {
  .hero { display: block; min-height: 0; }
  .survey { position: relative; inset: auto; height: calc(380px + var(--nav-h) + var(--space-sm) * 2); }
  .survey::after { display: none; }
  .survey__plot { inset-inline: var(--gutter); }
  .pin { left: calc(var(--mx) * 1%); top: calc(var(--my) * 1%); }
  .survey { margin-bottom: var(--space-2xl); }
  .survey__hint { inset-block: calc(100% + var(--space-xs)) auto; inset-inline: var(--gutter) auto; max-width: calc(100% - 2 * var(--gutter)); font-size: var(--text-xs); }
  .pin--left:not(.pin--mleft) { flex-direction: row; translate: calc(var(--pin) / -2) -50%; }
  .pin--mleft { flex-direction: row-reverse; translate: calc(-100% + var(--pin) / 2) -50%; }
  .hero__in { padding-block: var(--space-md) var(--space-2xl); row-gap: var(--space-xl); }
  .hero__in, .rows, .statement, .split, .colophon__in, .pubs { grid-template-columns: minmax(0, 1fr); }
  .papers-wrap { grid-template-columns: minmax(0, 1fr); }
  .work { grid-template-columns: minmax(0, 1fr); }
  .work__head, .work__grid { grid-column: 1 / -1; }
  .work__grid { grid-template-columns: minmax(0, 1fr); row-gap: var(--space-xl); }
  .papers-wrap__head, .papers { grid-column: 1 / -1; }
  .paper { grid-template-columns: minmax(0, 1fr); gap: var(--space-xs); }
  .paper__venue { grid-auto-flow: column; align-items: center; justify-content: start; gap: var(--space-md); }
  .pubs { gap: var(--space-xs); }
  .hero__text, .hero__card, .rows__head, .rows__list, .statement > *, .split__head, .split__card, .colophon__mark, .colophon__links, .colophon__legal, .colophon__lang { grid-column: 1 / -1; }
  .colophon__lang { padding-top: 0; border-top: 0; }
}
@media (max-width: 40rem) {
  .slab__in { padding-inline: var(--space-md); }
  .split__card .entry__cells { grid-template-columns: minmax(0, 1fr); }
  .split__card .entry__cells > div:nth-child(odd) { border-right: 0; }
  .slab__sec { display: none; }
  .slab__links { gap: var(--space-md); }
  .slab__lang { padding-left: var(--space-md); }
  .rows__list > div { grid-template-columns: minmax(0, 1fr); gap: var(--space-2xs); padding-block: var(--space-md); }
}

/* Copy key: the icon turns to a tick once the address is on the clipboard */
.btn .icon-done { display: none; }
.btn.is-done .icon-copy { display: none; }
.btn.is-done .icon-done { display: block; }

/* View transitions: the node card morphs between nodes, and the nav holds still across languages.
   The map is not named: a named full-bleed map would paint above the hero text during a transition. */
.slab { view-transition-name: slab; }
/* The node card: each part is its own group nested in the card, so nothing is scaled.
   The card and its notebook are painted on their groups and resize cleanly; text rolls like a split-flap;
   cells glide to their new place, surplus cells leave and new ones arrive one by one. */
/* the transition overlay lets the pointer through; survey.js also routes clicks that Chrome sends to <html> mid-transition */
html::view-transition { pointer-events: none; }
.hero__card { view-transition-name: node-card; }
.hero__card .entry__head { view-transition-name: node-head; view-transition-group: nearest; }
.hero__card [data-card-kind] { view-transition-name: node-kind; view-transition-group: nearest; }
.hero__card [data-card-id] { view-transition-name: node-id; view-transition-group: nearest; }
.hero__card [data-card-name] { view-transition-name: node-name; view-transition-group: nearest; }
.hero__card [data-card-host] { view-transition-name: node-host; view-transition-group: nearest; }
.hero__card [data-card-ext] { view-transition-name: node-ext; view-transition-group: nearest; }
.hero__card [data-card-cells] { view-transition-name: node-cells; view-transition-group: nearest; }
.hero__card [data-card-cells] > div { view-transition-group: nearest; }
.hero__card .entry__foot { view-transition-name: node-foot; view-transition-group: nearest; }
.hero__card [data-card-chip] { view-transition-name: node-chip; view-transition-group: nearest; }
::view-transition-group(node-card), ::view-transition-group(node-head), ::view-transition-group(node-kind), ::view-transition-group(node-id), ::view-transition-group(node-name), ::view-transition-group(node-host), ::view-transition-group(node-ext), ::view-transition-group(node-cells), ::view-transition-group(*.node-cell), ::view-transition-group(node-foot), ::view-transition-group(node-chip) { animation-duration: 440ms; animation-timing-function: var(--ease-out); }
::view-transition-group(node-card) { background: var(--color-paper-2); border-radius: var(--radius-entry); box-shadow: 0 0 0 1px var(--color-ink), var(--shadow-lift); overflow: clip; }
::view-transition-group(node-cells) { background: linear-gradient(var(--color-grid) 1px, transparent 1px) 0 0 / 8px 8px, linear-gradient(90deg, var(--color-grid) 1px, transparent 1px) 0 0 / 8px 8px, var(--color-paper-2); box-shadow: inset 0 1px 0 var(--color-ink); overflow: clip; }
::view-transition-old(node-card), ::view-transition-new(node-card), ::view-transition-old(node-cells), ::view-transition-new(node-cells) { animation: none; opacity: 0; }
::view-transition-old(node-kind), ::view-transition-new(node-kind), ::view-transition-old(node-id), ::view-transition-new(node-id), ::view-transition-old(node-name), ::view-transition-new(node-name), ::view-transition-old(node-host), ::view-transition-new(node-host), ::view-transition-old(node-chip), ::view-transition-new(node-chip), ::view-transition-old(*.node-cell), ::view-transition-new(*.node-cell) { inline-size: auto; block-size: auto; object-fit: none; }
::view-transition-old(node-id), ::view-transition-new(node-id) { inset-inline: auto 0; }
::view-transition-old(node-kind), ::view-transition-old(node-id), ::view-transition-old(node-name), ::view-transition-old(node-host), ::view-transition-old(node-chip) { animation: roll-out 150ms var(--ease-in) both; }
::view-transition-new(node-kind), ::view-transition-new(node-id), ::view-transition-new(node-name), ::view-transition-new(node-host), ::view-transition-new(node-chip) { animation: roll-in 400ms var(--ease-out) 90ms both; }
::view-transition-old(*.node-cell) { animation: cell-fade 130ms var(--ease-in) both; }
::view-transition-old(*.node-cell):only-child { animation: cell-out 180ms var(--ease-in) both; }
::view-transition-new(*.node-cell) { animation: cell-in 380ms var(--ease-out) 90ms both; }
::view-transition-new(node-cell-1) { animation-delay: 130ms; }
::view-transition-new(node-cell-2) { animation-delay: 170ms; }
::view-transition-new(node-cell-3) { animation-delay: 210ms; }
::view-transition-new(node-cell-4) { animation-delay: 250ms; }
::view-transition-new(node-cell-5) { animation-delay: 290ms; }
@keyframes roll-out { to { opacity: 0; transform: translateY(-45%); filter: blur(3px); } }
@keyframes roll-in { from { opacity: 0; transform: translateY(45%); filter: blur(3px); } }
@keyframes cell-fade { to { opacity: 0; } }
@keyframes cell-out { to { opacity: 0; transform: translateY(calc(-1 * var(--space-2xs))); } }
@keyframes cell-in { from { opacity: 0; transform: translateY(var(--space-xs)); } }
@media (prefers-reduced-motion: no-preference) { @view-transition { navigation: auto; } }
@media (prefers-reduced-motion: reduce) { ::view-transition-group(*), ::view-transition-old(*), ::view-transition-new(*) { animation: none !important; } }

/* Scroll-driven: ruled lines draw in like a plotter as they enter */
@keyframes rule-draw { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .rows__list, .rows__list > div, .pubs, .papers, .paper { position: relative; border-color: transparent; }
    .rows__list::before, .rows__list > div::after, .pubs::before, .papers::before, .paper::after { content: ""; position: absolute; inset-inline: 0; block-size: 1px; transform-origin: left center; animation: rule-draw linear both; animation-timeline: view(); animation-range: entry 0% cover 30%; }
    .rows__list::before, .pubs::before, .papers::before { inset-block-start: 0; background: var(--color-ink); }
    .rows__list > div::after, .paper::after { inset-block-end: 0; background: var(--color-rule); }
  }
}