/* Hallmark · shape: essay with working figures · genre: editorial, a studio's reading room · theme: custom · job: read, check the numbers, then write to the studio · idea: "design your wings: far from the obvious, worked out until it holds" · vibe: "a museum catalogue bound in green cloth: quiet, exact, made by hand"
 * paper: oklch(100% 0 0) · brand green: oklch(33.4% 0.068 163), #07412C · accent: the brand green · display: Source Serif 4 600 · body and ui: Hanken Grotesk · hero: on deep green, "Design your wings." beside a unit chart of 30 model answers, 26 named for the tide · nav: sticky, the founder's wings, a one-style wordmark and four links on green above a hairline · footer: link columns on green · imagery: none; drawings and generated studies cut; figures drawn from the research, each with its source · signature: the founder's two-winged mark and charts that carry one green series against grey context
 * axes: two-tone/one-grotesk/green-and-white · posture: restrained · contrast: pass · fold: pass · v5.1.0 (one 4px corner everywhere; heavier type; sticky header; shorter home, benchmarked on thinkingmachines.ai) */
/* Hallmark · pre-emit critique: P4 H4 E4 S5 R5 V4 · weakest: E (essay length), kept because the brief asks for many research papers and a thesis on the landing page
 * waive 58 (about 80 words a screen): a reading site; sections are short paragraphs at a 36rem measure, each beside a figure */

/* ---------- chrome ---------- */
.site-head { position: sticky; top: 0; z-index: var(--z-raised); background: transparent; border-bottom: var(--rule-hair) solid var(--color-rule); }
.site-head::before { content: ""; position: absolute; inset: 0; z-index: -1; background: color-mix(in oklab, var(--color-paper) 93%, transparent); -webkit-backdrop-filter: blur(14px) saturate(140%); backdrop-filter: blur(14px) saturate(140%); }
.site-head .container { display: flex; align-items: center; justify-content: space-between; gap: var(--space-lg); min-height: 76px; }
.brand { display: inline-flex; align-items: center; gap: var(--space-sm); text-decoration: none; color: var(--color-ink); }
.brand svg { width: auto; height: 24px; flex-shrink: 0; }
.wordmark { font-family: var(--font-outlier); font-size: 1.4375rem; font-weight: 600; letter-spacing: -0.012em; line-height: 1; white-space: nowrap; }
.mark { fill: currentColor; }
.nav-links { display: flex; gap: var(--space-xl); list-style: none; margin: 0; padding: 0; font-family: var(--font-ui); font-size: var(--text-sm); }
.nav-links a { text-decoration: none; color: var(--color-ink-2); padding-block: var(--space-xs); }
.nav-links a { transition: color var(--dur-micro) var(--ease-out); }
.nav-links a:hover, .nav-links a:active, .nav-links a[aria-current="page"] { color: var(--color-ink); }
.nav-links a[aria-current="page"] { font-weight: 600; }
.menu { display: none; position: relative; font-family: var(--font-ui); font-size: var(--text-sm); }
.menu summary { list-style: none; cursor: pointer; padding: var(--space-xs) var(--space-md); border: var(--rule-hair) solid var(--color-faint); border-radius: var(--radius-pill); color: var(--color-ink); min-height: 44px; display: inline-flex; align-items: center; }
.menu summary::-webkit-details-marker { display: none; }
.menu summary:hover { background: var(--color-paper-2); }
.menu summary:active, .menu li a:active { background: var(--color-paper-3); }
.menu ul { position: fixed; inset: 0; z-index: var(--z-dropdown); margin: 0; padding: 104px var(--gutter, 1rem) var(--space-xl); list-style: none; background: color-mix(in oklab, var(--color-paper) 90%, transparent); -webkit-backdrop-filter: blur(18px) saturate(140%); backdrop-filter: blur(18px) saturate(140%); overflow-y: auto; }
.menu li a { display: block; padding: var(--space-sm) 0; text-decoration: none; color: var(--color-ink); font-family: var(--font-display); font-weight: 600; font-size: var(--text-xl); }
.menu-close { display: none; }
.menu[open] .menu-open { display: none; }
.menu[open] .menu-close { display: inline; }
.menu[open] summary { position: fixed; top: 16px; right: var(--gutter, 1rem); z-index: calc(var(--z-dropdown) + 1); background: var(--color-paper); }
.menu li a:hover { color: var(--color-ink-2); }
@media (max-width: 52rem) { .nav-links { display: none; } .menu { display: block; } .wordmark { font-size: 1.3125rem; } .brand svg { height: 20px; } }

.site-foot { padding-block: var(--band) var(--space-xl); font-family: var(--font-ui); font-size: var(--text-sm); color: var(--color-muted); }
.foot-grid { display: grid; grid-template-columns: minmax(0, 2fr) repeat(3, minmax(0, 1fr)); gap: var(--space-xl) var(--gap-columns); }
.foot-grid h2 { font-family: var(--font-ui); font-size: var(--text-sm); font-weight: 400; color: var(--color-muted); margin-bottom: var(--space-sm); }
.foot-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-xs); }
.foot-grid a { color: var(--color-ink); text-decoration: none; }
.foot-grid a { transition: color var(--dur-micro) var(--ease-out); }
.foot-grid a:hover, .foot-grid a:active { color: var(--color-muted); }
.foot-brand .brand svg { height: 22px; }
.foot-brand p { max-width: 22rem; margin-top: var(--space-md); line-height: 1.5; }
.foot-legal { margin-top: var(--space-2xl); display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-sm); color: var(--color-muted); }
@media (max-width: 52rem) { .foot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .foot-brand { grid-column: 1 / -1; } }

/* ---------- shared type ---------- */
.lead { font-size: var(--text-lead); line-height: 1.5; color: var(--color-ink); max-width: 36rem; }
.prose > * + * { margin-top: 1.15em; }
.prose p { max-width: var(--measure); }
.prose strong { font-weight: 600; }
.ui { font-family: var(--font-ui); }
.muted { color: var(--color-muted); }
/* Bands: every section is one band with the same padding. Green bands bleed to the screen edge, so each change of section shows without a rule. */
.section { padding-block: var(--band); }
.section.green, .page-head.green { border-image: linear-gradient(var(--color-paper) 0 0) fill 0 / 0 / 0 100vmax; }
main:has(> .green:last-child) + .site-foot { border-top: var(--rule-hair) solid var(--color-rule); }
.section-title { font-size: var(--text-section); line-height: 1.08; letter-spacing: var(--tracking-display); max-width: 20ch; }
.narrow { max-width: var(--narrow); margin-inline: auto; }
.narrow .section-title { max-width: none; }
.narrow .section-title + * { margin-top: var(--space-xl); }

.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 var(--space-lg); border-radius: var(--radius-pill); font-family: var(--font-ui); font-size: var(--text-sm); font-weight: 500; text-decoration: none; cursor: pointer; border: var(--rule-hair) solid var(--color-ink); transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out); }
.btn-primary { background: var(--color-button); color: var(--color-button-ink); border-color: var(--color-button); }
.btn-primary:hover { background: color-mix(in oklab, var(--color-button) 82%, var(--color-paper)); }
.btn-primary:active { transform: translateY(1px); }
.btn-quiet { color: var(--color-ink); background: transparent; border-color: var(--color-faint); }
.btn-quiet:hover { background: var(--color-paper-2); }
.btn-quiet:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); }
.text-link { font-family: var(--font-ui); font-size: var(--text-sm); font-weight: 600; color: var(--color-ink); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; white-space: nowrap; }
.text-link:hover { text-decoration-thickness: 2px; }

/* ---------- home ---------- */
.hero { padding-block: var(--band); }
.hero-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gap-columns); row-gap: var(--space-2xl); align-items: end; }
.hero-text { grid-column: 1 / span 7; }
.hero-figure { grid-column: 9 / span 4; }
.hero h1 { font-size: var(--text-display); line-height: 1; letter-spacing: var(--tracking-display); max-width: 12ch; }
.hero-sub { margin-top: var(--space-lg); font-size: var(--text-lead); line-height: 1.5; color: var(--color-ink); max-width: 32rem; }
.hero .actions { margin-top: var(--space-xl); }
@media (max-width: 52rem) { .hero-text, .hero-figure { grid-column: 1 / -1; } }
.plate { margin: 0; }
.plate.container { margin-inline: auto; }
.plate img { width: 100%; aspect-ratio: 2 / 1; object-fit: cover; background: var(--color-paper-2); }
.caption { margin-top: var(--space-sm); display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-2xs) var(--space-lg); font-family: var(--font-ui); font-size: var(--text-xs); line-height: 1.55; color: var(--color-muted); }
.caption b { font-weight: 500; color: var(--color-ink); }
.plates { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-xl) var(--gap-columns); }
.plates { align-items: start; }
.plates .plate img { aspect-ratio: 9 / 10; object-fit: cover; }
.plates .plate--contain img { object-fit: contain; background: var(--color-paper); }
.plate-wide { grid-column: 1 / -1; }
.plates .plate-wide img { aspect-ratio: 16 / 9; }
.plates .plate-wide.plate--contain img { aspect-ratio: auto; }
@media (max-width: 52rem) { .plates { grid-template-columns: minmax(0, 1fr); } .plate img { aspect-ratio: 3 / 2; } .plates .plate img { aspect-ratio: 3 / 2; } }

.essay p + p { margin-top: 1.15em; }
.essay p { max-width: var(--measure); }
.pull { margin: var(--space-2xl) 0; font-family: var(--font-display); font-size: var(--text-2xl); line-height: 1.2; max-width: 24ch; }

.two-col { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gap-columns); row-gap: var(--space-xl); }
.two-col > :first-child { grid-column: 1 / span 5; }
.two-col > :last-child { grid-column: 7 / span 6; }
@media (max-width: 52rem) { .two-col > :first-child, .two-col > :last-child { grid-column: 1 / -1; } }

.moves { margin: 0; display: grid; gap: var(--tile-gap); }
.moves > div { display: grid; grid-template-columns: minmax(0, 8rem) minmax(0, 1fr); column-gap: var(--gap-columns); padding: var(--tile-pad); background: var(--color-paper-2); border-radius: var(--radius-card); }
.moves dt { font-family: var(--font-display); font-weight: 600; font-size: var(--text-lg); line-height: 1.3; }
.moves dd { margin: 0; color: var(--color-ink); }
@media (max-width: 40rem) { .moves > div { grid-template-columns: minmax(0, 1fr); row-gap: var(--space-2xs); } }
.moves-note { margin-top: var(--space-lg); font-family: var(--font-ui); font-size: var(--text-sm); color: var(--color-muted); max-width: 34rem; line-height: 1.55; }

.tenets { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-2xl) var(--gap-columns); margin-top: var(--space-2xl); }
.tenets h3 { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 600; line-height: 1.15; }
.tenets p { margin-top: var(--space-sm); max-width: 30rem; color: var(--color-ink-2); }
@media (max-width: 52rem) { .tenets { grid-template-columns: minmax(0, 1fr); gap: var(--space-xl); } }

.band { padding-block: 0; }
.product { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gap-columns); row-gap: var(--space-xl); align-items: center; }
.product-text { grid-column: 1 / span 5; }
.product-text .lead { margin-top: var(--space-lg); }
.product-text p + p { margin-top: var(--space-md); }
.product-text .actions { margin-top: var(--space-xl); }
.product-shot { grid-column: 7 / span 6; margin: 0; }
.shot { border: var(--rule-hair) solid var(--color-rule); overflow: hidden; background: var(--color-paper); }
.shot img { width: 100%; }
.shot-caption { margin-top: var(--space-sm); font-family: var(--font-ui); font-size: var(--text-xs); color: var(--color-muted); }
@media (max-width: 52rem) { .product-text, .product-shot { grid-column: 1 / -1; } }

.notes { list-style: none; margin: var(--space-xl) 0 0; padding: 0; display: grid; gap: var(--tile-gap); }
.notes a { display: grid; grid-template-columns: 9rem minmax(0, 1fr) minmax(0, 9rem); column-gap: var(--gap-columns); padding: var(--tile-pad); background: var(--color-paper-2); border-radius: var(--radius-card); text-decoration: none; transition: background-color var(--dur-short) var(--ease-out); }
.notes a:hover, .notes a:active { background: var(--color-paper-3); }
.notes time, .note-kind { font-family: var(--font-ui); font-size: var(--text-sm); color: var(--color-muted); padding-top: 0.35em; font-variant-numeric: tabular-nums; }
.note-kind { text-align: right; }
.note-title { font-family: var(--font-display); font-weight: 600; font-size: var(--text-xl); line-height: 1.15; }
.note-sum { display: block; margin-top: var(--space-xs); color: var(--color-ink-2); font-size: var(--text-md); max-width: 40rem; }
@media (max-width: 52rem) { .notes a { grid-template-columns: minmax(0, 1fr); row-gap: var(--space-2xs); } .note-kind { text-align: left; padding-top: 0; } }
.more { margin-top: var(--space-lg); font-family: var(--font-ui); font-size: var(--text-sm); }

.topics { display: flex; flex-wrap: wrap; gap: var(--space-xs); margin-top: var(--space-xl); list-style: none; padding: 0; font-family: var(--font-ui); font-size: var(--text-sm); }
.topics a { display: inline-flex; align-items: center; min-height: 40px; padding: 0 var(--space-md); background: var(--color-paper-2); border-radius: var(--radius-pill); text-decoration: none; color: var(--color-ink); transition: background-color var(--dur-short) var(--ease-out); }
.topics a:hover { background: var(--color-paper-3); }

.contact { margin-top: var(--space-xl); font-family: var(--font-display); font-weight: 600; font-size: clamp(1.5rem, 5.6vw, 2.25rem); overflow-wrap: anywhere; }
.contact a { text-decoration-color: var(--color-ink); text-underline-offset: 0.18em; }

/* ---------- article pages ---------- */
.page-head { padding-block: var(--band); }
.page-head h1 { font-size: var(--text-display); line-height: 1.02; letter-spacing: var(--tracking-display); max-width: 18ch; }
.page-head .lead { margin-top: var(--space-lg); }
.article { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gap-columns); }
.article-meta { grid-column: 1 / span 3; font-family: var(--font-ui); font-size: var(--text-sm); color: var(--color-muted); padding-top: 0.4em; line-height: 1.6; }
.article-meta dt { color: var(--color-muted); }
.article-meta dd { margin: 0 0 var(--space-md); color: var(--color-ink-2); }
.article-body { grid-column: 4 / span 7; }
.article-body h2 { font-size: var(--text-2xl); line-height: 1.1; margin-top: var(--space-2xl); }
.article-body h3 { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 600; line-height: 1.3; margin-top: var(--space-xl); }
.article-body h3 + * { margin-top: var(--space-xs); }
.article-body blockquote { margin: var(--space-xl) 0; padding-left: var(--space-lg); border-left: var(--rule-hair) solid var(--color-accent); font-family: var(--font-display); font-style: italic; font-size: var(--text-lg); line-height: 1.45; max-width: var(--measure); }

.article-body h2 + * { margin-top: var(--space-md); }
.article-body > p + p, .article-body > ul + p, .article-body > p + ul, .article-body > table + p, .article-body > p + table { margin-top: 1.1em; }
.article-body ul { padding-left: 1.2em; max-width: var(--measure); }
.article-body li + li { margin-top: 0.5em; }
.article-body table { width: 100%; border-collapse: collapse; font-family: var(--font-ui); font-size: var(--text-sm); margin-block: var(--space-lg); }
.article-body th { text-align: left; font-weight: 500; color: var(--color-muted); padding: var(--space-xs) var(--space-sm) var(--space-xs) 0; border-bottom: var(--rule-hair) solid var(--color-ink); white-space: nowrap; }
.article-body td { padding: var(--space-sm) var(--space-sm) var(--space-sm) 0; border-bottom: var(--rule-hair) solid var(--color-rule); vertical-align: top; }
.article-body td.num, .article-body th.num { text-align: right; padding-right: 0; }
.article-body figure { margin: var(--space-xl) 0; }
.article-body figcaption { margin-top: var(--space-sm); font-family: var(--font-ui); font-size: var(--text-xs); color: var(--color-muted); line-height: 1.55; }
.callout { margin-top: var(--space-xl); padding: var(--space-lg); background: var(--color-paper-2); border-radius: var(--radius-card); }
.callout p { max-width: none; }
.sources { margin-top: var(--space-2xl); font-family: var(--font-ui); font-size: var(--text-xs); color: var(--color-muted); line-height: 1.6; }
.sources ol { padding-left: 1.4em; margin: var(--space-sm) 0 0; }
.next-note { margin-top: var(--space-2xl); font-family: var(--font-ui); font-size: var(--text-sm); }
@media (max-width: 60rem) { .article-meta { grid-column: 1 / -1; display: grid; grid-template-rows: auto auto; grid-auto-flow: column; justify-content: start; column-gap: var(--space-lg); margin-bottom: var(--space-xl); } .article-meta dd { margin-bottom: 0; } .article-body { grid-column: 1 / -1; } }
.table-wrap { overflow-x: auto; }

/* ---------- methodologies ---------- */
.methods { list-style: none; margin: var(--space-xl) 0 0; padding: 0; display: grid; gap: var(--tile-gap); }
.methods > li { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gap-columns); padding: var(--tile-pad); background: var(--color-paper-2); border-radius: var(--radius-card); }
.method-status { grid-column: 1 / span 3; font-family: var(--font-ui); font-size: var(--text-sm); color: var(--color-muted); padding-top: 0.45em; }
.method-status.is-live { color: var(--color-ink); }
.method-main { grid-column: 4 / span 7; }
.method-main h2 { font-size: var(--text-2xl); line-height: 1.1; }
.method-main p { margin-top: var(--space-sm); color: var(--color-ink-2); }
.method-main .more { margin-top: var(--space-md); }
@media (max-width: 52rem) { .method-status, .method-main { grid-column: 1 / -1; } .method-main { margin-top: var(--space-xs); } }

.gallery { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gap-columns); row-gap: var(--space-xl); margin-top: var(--space-2xl); }
.gallery figure { margin: 0; }
.gallery .wide { grid-column: 1 / -1; }
.gallery .half { grid-column: span 6; }
.gallery .phone { grid-column: span 4; }
@media (max-width: 52rem) { .gallery .half, .gallery .phone { grid-column: 1 / -1; } }
.facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: var(--gap-columns); row-gap: var(--space-xl); margin-top: var(--space-2xl); }
.facts > div { padding: var(--tile-pad); background: var(--color-paper-2); border-radius: var(--radius-card); }
.facts h2 { font-size: var(--text-xl); line-height: 1.15; }
.facts p { margin-top: var(--space-xs); color: var(--color-ink-2); font-size: var(--text-md); }
@media (max-width: 52rem) { .facts { grid-template-columns: minmax(0, 1fr); } }

/* ---------- the pick demo ---------- */
.pick { margin-top: var(--space-2xl); }
.pick > * { max-width: 46rem; }
.pick-bar { display: flex; justify-content: space-between; align-items: baseline; gap: var(--space-md); font-family: var(--font-ui); font-size: var(--text-sm); color: var(--color-muted); }
.pick-topic { color: var(--color-ink); }
.pick-progress { height: 2px; margin-top: var(--space-xs); background: var(--color-rule); }
.pick-progress span { display: block; width: 100%; height: 100%; background: var(--color-accent); transform: scaleX(0); transform-origin: left; transition: transform var(--dur-short) var(--ease-out); }
.pick-cards { list-style: none; margin: var(--space-lg) 0 0; padding: 0; display: grid; gap: var(--space-sm); }
.pick-card { border: var(--rule-hair) solid var(--color-rule); border-radius: var(--radius-card); background: var(--color-paper); color: var(--color-ink); transition: border-color var(--dur-micro) var(--ease-out), background-color var(--dur-micro) var(--ease-out); }
.pick-card:hover { border-color: var(--color-faint); }
.pick-card.is-picked { border-color: var(--color-accent); background: var(--color-accent-soft); }
.pick-joke { display: grid; grid-template-columns: 1.75rem minmax(0, 1fr); gap: var(--space-sm); width: 100%; padding: var(--space-md) var(--space-md) var(--space-xs); border: 0; background: none; text-align: left; cursor: pointer; color: var(--color-ink); border-radius: var(--radius-card); }
.pick-key { display: inline-grid; place-items: center; width: 1.5rem; height: 1.5rem; margin-top: 0.15em; border: var(--rule-hair) solid var(--color-rule); border-radius: var(--radius-card); font-family: var(--font-ui); font-size: var(--text-xs); color: var(--color-muted); }
.pick-card.is-picked .pick-key { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-accent-ink); }
.pick-text { font-size: var(--text-read); line-height: 1.45; }
.pick-joke:active .pick-text { color: var(--color-ink-2); }
.pick-seen { display: inline-flex; align-items: center; gap: var(--space-xs); margin: 0 0 var(--space-sm) calc(1.75rem + var(--space-sm) + var(--space-md)); font-family: var(--font-ui); font-size: var(--text-xs); color: var(--color-muted); cursor: pointer; }
.pick-seen input { accent-color: var(--color-accent); margin: 0; }
.pick-after { margin-top: var(--space-lg); display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-sm) var(--space-md); }
.pick-after-label { width: 100%; font-family: var(--font-ui); font-size: var(--text-sm); color: var(--color-muted); }
.pick-tags { display: flex; gap: var(--space-xs); }
.chip { min-height: 40px; padding: 0 var(--space-md); border: var(--rule-hair) solid var(--color-rule); border-radius: var(--radius-pill); background: var(--color-paper); font-family: var(--font-ui); font-size: var(--text-sm); color: var(--color-ink-2); cursor: pointer; transition: background-color var(--dur-micro) var(--ease-out), border-color var(--dur-micro) var(--ease-out), color var(--dur-micro) var(--ease-out); }
.chip:hover { border-color: var(--color-faint); }
.chip[aria-pressed="true"] { background: var(--color-ink); border-color: var(--color-ink); color: var(--color-paper); }
.chip:active { background: var(--color-paper-3); }
.pick-after .btn { margin-left: auto; }
.pick-help, .pick-loading { margin-top: var(--space-lg); font-family: var(--font-ui); font-size: var(--text-xs); color: var(--color-muted); }
@media (pointer: coarse) { .pick-help { display: none; } }
.pick-result .lead { margin-top: var(--space-md); }
.pick-result h2:focus { outline: none; }
.minds { list-style: none; margin: var(--space-xl) 0 0; padding: 0; display: grid; gap: var(--space-xs); font-family: var(--font-ui); font-size: var(--text-sm); }
.mind { display: grid; grid-template-columns: minmax(0, 13rem) minmax(0, 1fr) 4.5rem; align-items: center; gap: var(--space-md); padding-block: var(--space-2xs); color: var(--color-ink-2); }
.mind.is-top { color: var(--color-ink); font-weight: 500; }
.mind-bar { position: relative; height: 10px; background: var(--color-paper-2); border-radius: 2px; }
.mind-bar span { position: absolute; inset: 0 auto 0 0; background: var(--color-dot); border-radius: 2px; }
.mind.is-top .mind-bar span { background: var(--color-accent); }
.mind-bar i { position: absolute; top: -4px; bottom: -4px; width: 2px; margin-left: -1px; background: var(--color-ink); }
.mind-num { text-align: right; color: var(--color-muted); }
.result-note { margin-top: var(--space-md); font-family: var(--font-ui); font-size: var(--text-sm); color: var(--color-muted); max-width: 40rem; line-height: 1.55; }
.pick-result .actions { margin-top: var(--space-xl); }
.your-picks { margin-top: var(--space-xl); }
.your-picks summary { cursor: pointer; font-family: var(--font-ui); font-size: var(--text-sm); color: var(--color-ink-2); }
.your-picks ol { margin: var(--space-md) 0 0; padding-left: 1.4em; display: grid; gap: var(--space-sm); }
.your-picks q { display: block; quotes: none; }
.your-picks .who { display: block; font-family: var(--font-ui); font-size: var(--text-xs); color: var(--color-muted); margin-top: var(--space-2xs); }
@media (max-width: 40rem) {
  .mind { grid-template-columns: minmax(0, 1fr) 4rem; row-gap: var(--space-2xs); }
  .mind-bar { grid-column: 1 / -1; grid-row: 2; }
  .pick-after .btn { margin-left: 0; width: 100%; }
}

/* ---------- early access ---------- */
.signup { margin-top: var(--space-xl); display: flex; flex-wrap: wrap; gap: var(--space-sm); max-width: 32rem; }
.signup input { flex: 1 1 14rem; min-height: 46px; padding: 0 var(--space-md); border: var(--rule-hair) solid var(--color-faint); border-radius: var(--radius-pill); background: var(--color-paper); font-family: var(--font-ui); font-size: var(--text-sm); color: var(--color-ink); }
.signup input::placeholder { color: var(--color-muted); }
.signup input:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 1px; }
.signup .btn:disabled { background: var(--color-rule); color: var(--color-muted); cursor: progress; }
.signup.is-done input, .signup.is-done .btn { display: none; }
.signup-status { width: 100%; min-height: 1.5em; font-family: var(--font-ui); font-size: var(--text-sm); color: var(--color-muted); }
.small-print { font-family: var(--font-ui); font-size: var(--text-xs); line-height: 1.6; color: var(--color-muted); }

/* ---------- one reveal, visible by default ---------- */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal { animation: settle 0.6s var(--ease-out) both; animation-delay: calc(var(--i, 0) * 70ms); }
  @keyframes settle { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
}

.not-found { min-height: 50svh; }
.kind { font-family: var(--font-ui); color: var(--color-ink); }


/* ---------- split, for Framework and the pick page ---------- */
.split { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gap-columns); row-gap: var(--space-xl); }
.split-main { grid-column: 1 / span 7; }
.split-side { grid-column: 9 / span 4; }
.split-main .section-title + * { margin-top: var(--space-lg); }
@media (max-width: 52rem) { .split-main, .split-side { grid-column: 1 / -1; } }

/* ---------- figures ---------- */
.chart { margin: 0; font-family: var(--font-ui); }
.article-body .chart { margin-block: var(--space-xl); }
.chart-title { font-family: var(--font-ui); font-size: var(--text-sm); font-weight: 500; color: var(--color-ink); max-width: 34rem; }
.chart-note { margin-top: var(--space-sm); font-size: var(--text-xs); line-height: 1.55; color: var(--color-ink-2); max-width: 36rem; }
.bars { margin-top: var(--space-md); display: grid; gap: var(--space-sm); }
.bar-row { display: grid; grid-template-columns: minmax(0, 13rem) minmax(0, 1fr) 4.5rem; align-items: center; column-gap: var(--space-md); font-size: var(--text-sm); }
.bar-label { color: var(--color-ink-2); line-height: 1.35; }
.bar-track { position: relative; height: 12px; background: var(--color-paper-2); border-radius: 2px; }
.bar { position: absolute; inset: 0 auto 0 0; background: var(--color-chart-context); border-radius: 0 2px 2px 0; }
.bar.is-hi { background: var(--color-chart); }
.bar-value { font-variant-numeric: tabular-nums lining-nums; color: var(--color-ink); text-align: right; }
@media (max-width: 40rem) { .bar-row { grid-template-columns: minmax(0, 1fr) 4rem; row-gap: var(--space-2xs); } .bar-track { grid-column: 1 / -1; grid-row: 2; } .bar-label { grid-row: 1; } .bar-value { grid-row: 1; } }
.stack { margin-top: var(--space-md); display: flex; gap: 2px; height: 12px; }
.seg { display: block; height: 100%; }
.seg:first-child { border-radius: 2px 0 0 2px; } .seg:last-child { border-radius: 0 2px 2px 0; }
.seg--hi, .key--hi { background: var(--color-chart); }
.seg--context, .key--context { background: var(--color-chart-context); }
.seg--faint, .key--faint { background: var(--color-paper-3); }
.key--empty { background: transparent; box-shadow: inset 0 0 0 1.5px var(--color-chart-context); }
.stack-keys { list-style: none; margin: var(--space-sm) 0 0; padding: 0; display: flex; flex-wrap: wrap; align-items: baseline; gap: var(--space-2xs) var(--space-lg); font-size: var(--text-sm); color: var(--color-ink-2); }
.stack-keys b { font-weight: 600; color: var(--color-ink); font-variant-numeric: tabular-nums; }
.key { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 0.45em; vertical-align: 0; }
.units { margin-top: var(--space-md); display: grid; grid-template-columns: repeat(10, minmax(0, 1fr)); gap: 6px; max-width: 22rem; }
.unit { aspect-ratio: 1; border-radius: var(--radius-card); box-shadow: inset 0 0 0 1.5px var(--color-chart-context); }
.unit.is-hi { background: var(--color-chart); box-shadow: none; }
.nl { margin-top: var(--space-md); }
.nl-labels { position: relative; height: calc(var(--rows) * 2.6rem); }
.nl-label { position: absolute; bottom: 0; font-size: var(--text-xs); line-height: 1.3; color: var(--color-ink-2); white-space: nowrap; padding-bottom: 6px; border-left: 1px solid var(--color-faint); padding-left: 6px; }
.nl-label b { display: block; font-size: var(--text-sm); font-weight: 600; color: var(--color-ink); font-variant-numeric: tabular-nums; }

.nl-label--end { transform: translateX(-100%); border-left: 0; border-right: 1px solid var(--color-faint); padding-left: 0; padding-right: 6px; text-align: right; }
.nl-row-1 { bottom: 2.6rem; } .nl-row-2 { bottom: 5.2rem; }
.nl-row-1, .nl-row-2 { padding-bottom: calc(6px); }
.nl-track { position: relative; height: 22px; }
.nl-axis { position: absolute; left: 0; right: 0; top: 50%; border-top: 1px solid var(--color-ink); }
.nl-band { position: absolute; top: 3px; bottom: 3px; background: var(--color-chart-band); border-radius: var(--radius-card); }
.nl-mark { position: absolute; top: 50%; width: 11px; height: 11px; margin: -5.5px 0 0 -5.5px; border-radius: 2px; background: var(--color-paper); box-shadow: 0 0 0 1.5px var(--color-ink-2); }
.nl-mark--hi { background: var(--color-chart); box-shadow: 0 0 0 2px var(--color-paper); }
.nl-ticks { position: relative; height: 1.3rem; font-size: var(--text-xs); color: var(--color-muted); font-variant-numeric: tabular-nums; }
.nl-ticks span { position: absolute; transform: translateX(-50%); }
.nl-axis-label { margin-top: var(--space-2xs); font-size: var(--text-xs); color: var(--color-muted); text-align: right; }
.figure-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-2xl) var(--gap-columns); }
@media (max-width: 52rem) { .figure-pair { grid-template-columns: minmax(0, 1fr); } }
.with-figure { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gap-columns); row-gap: var(--space-xl); align-items: start; }
.with-figure > .essay { grid-column: 1 / span 6; }
.with-figure > .chart, .with-figure > .figure-stack { grid-column: 8 / span 5; }
.figure-stack { display: grid; gap: var(--space-2xl); }
@media (max-width: 52rem) { .with-figure > .essay, .with-figure > .chart, .with-figure > .figure-stack { grid-column: 1 / -1; } }
.plates--two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 52rem) { .plates--two { grid-template-columns: minmax(0, 1fr); } }
.hero .chart-note a, .green .chart-note a { color: inherit; }
.with-figure .essay .section-title { margin-bottom: var(--space-xl); }
.essay .actions { margin-top: var(--space-xl); }
.nl { padding-inline: 6px; }
.timeline { list-style: none; margin: var(--space-xl) 0 0; padding: 0; display: grid; gap: var(--tile-gap); max-width: 52rem; }
.timeline li { display: grid; grid-template-columns: 10rem minmax(0, 1fr); gap: var(--space-xs) var(--gap-columns); padding: var(--tile-pad); background: var(--color-paper-2); border-radius: var(--radius-card); }
.timeline time { font-family: var(--font-ui); font-size: var(--text-sm); color: var(--color-ink-2); padding-top: 0.15em; }
.timeline p { margin: 0; }
@media (max-width: 40rem) { .timeline li { grid-template-columns: minmax(0, 1fr); } }
.chapter { font-family: var(--font-ui); font-size: var(--text-sm); font-weight: 500; color: var(--color-ink-2); margin-bottom: var(--space-sm); }
.two-col .essay > .section-title { margin-bottom: 0; }
.founder-card { margin-top: var(--space-md); font-family: var(--font-ui); font-size: var(--text-sm); color: var(--color-ink-2); }
.founder-card b { color: var(--color-ink); font-weight: 600; }
.moves--detail { margin-top: var(--tile-gap); }
.plain-list { margin: 0; padding-left: 1.1em; }
.plain-list li + li { margin-top: var(--space-sm); }

/* One value: a stat tile. A large figure in the display face, a worded qualifier, a source. */
.stat { margin: 0; }
.stat-figure { font-family: var(--font-display); font-weight: 600; font-size: clamp(2.25rem, 2.2vw + 0.75rem, 3rem); line-height: 1; letter-spacing: var(--tracking-display); font-variant-numeric: lining-nums tabular-nums; }
.stat-text { margin-top: var(--space-sm); max-width: 24rem; color: var(--color-ink); }
.hero .stat { padding: var(--tile-pad); background: var(--color-paper-2); border-radius: var(--radius-card); }
/* Hero figures row. */
.figures { display: flex; flex-wrap: wrap; gap: var(--space-lg) var(--space-xl); margin: var(--space-2xl) 0 0; }
.figures div { min-width: 0; }
.figures dt { font-family: var(--font-display); font-weight: 600; font-size: var(--text-xl); line-height: 1.1; font-variant-numeric: lining-nums tabular-nums; }
.figures dd { margin: var(--space-2xs) 0 0; font-family: var(--font-ui); font-size: var(--text-sm); color: var(--color-ink-2); }
/* Process steps: numbered, typographic, on a hairline. */
.steps { list-style: none; margin: var(--space-xl) 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-xl) var(--gap-columns); }
.step { padding: var(--tile-pad); background: var(--color-paper-2); border-radius: var(--radius-card); }
.step-n { font-family: var(--font-ui); font-size: var(--text-sm); font-weight: 500; color: var(--color-ink-2); font-variant-numeric: tabular-nums; }
.step-name { margin-top: var(--space-lg); font-family: var(--font-display); font-weight: 600; font-size: var(--text-xl); line-height: 1.2; }
.step-text { margin-top: var(--space-sm); max-width: 22rem; }
@media (max-width: 52rem) { .steps { grid-template-columns: minmax(0, 1fr); } .step-name { margin-top: var(--space-sm); } }

.signup-lead { margin-top: var(--space-xl); }
.signup-lead + .signup { margin-top: var(--space-md); }
/* Generated studies: three plates in a row, caption below, label set apart. */
.studies { margin-top: var(--space-xl); display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--tile-gap); }
.study { margin: 0; }
.study img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: var(--radius-card); background: var(--color-paper-2); }
.study figcaption b { font-weight: 600; color: var(--color-ink); }
.study-label { color: var(--color-muted); }
@media (max-width: 52rem) { .studies { grid-template-columns: minmax(0, 1fr); gap: var(--space-xl); } .study img { aspect-ratio: 3 / 2; } }
.hero-grid { align-items: center; }
.hero-text { grid-column: 1 / span 6; }
.hero-figure { grid-column: 7 / span 6; }
.hero-plate { margin: 0; }
.hero-plate img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; border-radius: var(--radius-card); background: var(--color-paper-2); }
.hero-plate figcaption, .study figcaption { margin-top: var(--space-sm); display: flex; flex-direction: column; gap: var(--space-2xs); font-family: var(--font-ui); font-size: var(--text-sm); color: var(--color-ink-2); }
.hero-plate figcaption b { font-weight: 600; color: var(--color-ink); }
@media (max-width: 52rem) { .hero-text, .hero-figure { grid-column: 1 / -1; } }
.figure-stack .stat + .stat { margin-top: 0; }
.roles { list-style: none; margin: var(--space-xl) 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--tile-gap); }
.roles li { padding: var(--tile-pad); background: var(--color-paper-2); border-radius: var(--radius-card); }
.roles b { display: block; font-family: var(--font-display); font-weight: 600; font-size: var(--text-xl); line-height: 1.15; }
.roles span { display: block; margin-top: var(--space-sm); color: var(--color-ink-2); }
@media (max-width: 52rem) { .roles { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 30rem) { .roles { grid-template-columns: minmax(0, 1fr); } }
.notes--brief a { grid-template-columns: minmax(0, 1fr) minmax(0, 9rem); }
@media (max-width: 52rem) { .notes--brief a { grid-template-columns: minmax(0, 1fr); } }
.two-col .contact { margin-top: var(--space-lg); }
.shot-plate img { aspect-ratio: 16 / 10; object-position: top left; }
.with-figure > .shot-plate { grid-column: 7 / span 6; }
@media (max-width: 52rem) { .with-figure > .shot-plate { grid-column: 1 / -1; } }
.two-col .contact { font-size: clamp(1.25rem, 1.2vw + 0.75rem, 1.75rem); }
/* Type: serif semibold for heads and figures, sans for everything else. */
.hero h1, .page-head h1, .section-title, .stat-figure { font-weight: 600; letter-spacing: var(--tracking-display); }
.hero h1, .page-head h1 { line-height: 1.04; }
.studies { gap: var(--space-lg) var(--gap-columns); }
.with-figure > .essay:has(+ .shot-plate) { grid-column: 1 / span 5; }
.with-figure > .shot-plate { grid-column: 6 / span 7; }
@media (max-width: 52rem) { .with-figure > .essay:has(+ .shot-plate), .with-figure > .shot-plate { grid-column: 1 / -1; } }
.wide-plate { margin-top: var(--space-xl); }
.wide-plate img { aspect-ratio: 21 / 9; object-position: center 60%; }
@media (max-width: 52rem) { .wide-plate img { aspect-ratio: 3 / 2; } }
/* Research index: title and summary on the left, kind and date stacked on the right; the first paper of each topic is set larger. */
.notes--index a { grid-template-columns: minmax(0, 1fr) 8rem; }
.note-meta { display: grid; gap: var(--space-2xs); justify-items: end; align-content: start; font-family: var(--font-ui); font-size: var(--text-sm); color: var(--color-ink-2); text-align: right; font-variant-numeric: tabular-nums; }
.note-meta span { color: var(--color-ink); font-weight: 600; }
.notes--index li:first-child .note-title { font-size: var(--text-2xl); line-height: 1.1; }
.notes--index li:first-child .note-sum { font-size: var(--text-lg); line-height: 1.45; max-width: 44rem; }
.notes--index li:first-child a { padding-block: var(--space-xl); }
@media (max-width: 52rem) { .notes--index a { grid-template-columns: minmax(0, 1fr); } .note-meta { justify-items: start; text-align: left; grid-auto-flow: column; justify-content: start; gap: var(--space-sm); } }