@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Inter:wght@400;500;600&family=Playfair+Display:wght@500;600;700&display=swap');

:root {
  --ink: #141414;
  --ink-soft: #565656;
  --muted: #797979;
  --line: #d9d7d2;
  --line-strong: #b9b7b1;
  --paper: #f7f6f2;
  --white: #fff;
  --rail: 248px;
  --content: 1120px;
  --serif: 'Playfair Display', Georgia, serif;
  --sans: 'Inter', Arial, sans-serif;
  --mono: 'DM Mono', monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.7; -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
h1, h2, h3, p, ul, ol { margin-top: 0; }
h1, h2, h3 { color: var(--ink); }
h1, h2 { font-family: var(--serif); font-weight: 600; letter-spacing: -0.035em; line-height: 1.06; }
h1 { font-size: clamp(3rem, 5.2vw, 5.4rem); max-width: 920px; margin-bottom: 1.5rem; }
h2 { font-size: clamp(2rem, 3.3vw, 3.2rem); margin-bottom: 1.25rem; }
h3 { font-size: 1.05rem; line-height: 1.35; margin-bottom: .6rem; }
p { color: var(--ink-soft); margin-bottom: 1.1rem; }
ul, ol { padding-left: 1.2rem; color: var(--ink-soft); }
li + li { margin-top: .4rem; }
::selection { color: var(--white); background: var(--ink); }
:focus-visible { outline: 3px solid var(--ink); outline-offset: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }
.skip-link { position: fixed; z-index: 1000; top: 12px; left: 12px; transform: translateY(-200%); background: var(--ink); color: var(--white); padding: .7rem 1rem; font-weight: 600; }
.skip-link:focus { transform: translateY(0); }

.site-rail { position: fixed; z-index: 30; width: var(--rail); height: 100vh; display: flex; flex-direction: column; border-right: 1px solid var(--line); background: rgba(247,246,242,.98); padding: 30px 24px 24px; }
.brand { display: flex; align-items: center; gap: 10px; width: max-content; margin-bottom: 4.2rem; text-decoration: none !important; }
.brand-copy { display: flex; flex-direction: column; gap: 2px; font-family: var(--mono); text-transform: uppercase; }
.brand-copy b { font-size: 1rem; line-height: 1; letter-spacing: .08em; }
.brand-copy small { font-family: var(--sans); font-size: .62rem; line-height: 1.3; color: var(--muted); letter-spacing: .01em; text-transform: none; }
.brand-mark { position: relative; display: block; width: 28px; height: 28px; border: 1.5px solid var(--ink); }
.brand-mark:before, .brand-mark:after, .brand-mark i { content: ''; position: absolute; display: block; border: 1px solid var(--ink); background: transparent; }
.brand-mark:before { width: 17px; height: 17px; top: 4px; left: 4px; }
.brand-mark:after { width: 7px; height: 7px; top: 9px; left: 9px; }
.brand-mark i { display: none; }
.primary-nav { display: grid; gap: 4px; }
.primary-nav a { display: flex; align-items: center; gap: 9px; min-height: 38px; padding: 5px 8px; margin-left: -8px; font-size: .9rem; color: var(--ink-soft); border-left: 2px solid transparent; text-decoration: none; }
.primary-nav a:hover { color: var(--ink); background: #efeee9; }
.primary-nav a[aria-current="page"] { color: var(--ink); border-left-color: var(--ink); background: var(--white); font-weight: 600; }
.nav-index { color: var(--muted); font-family: var(--mono); font-size: .63rem; }
.rail-secondary, .footer-links { display: grid; gap: 9px; }
.rail-secondary { padding-top: 2rem; margin-top: 2rem; border-top: 1px solid var(--line); }
.rail-secondary a { font-size: .78rem; color: var(--ink-soft); text-decoration: none; }
.external-mark { font-family: var(--mono); font-size: .8em; margin-left: .2em; }
.rail-note { margin-top: auto; padding-top: 2rem; margin-bottom: 0; font-family: var(--serif); font-size: 1.05rem; line-height: 1.25; color: var(--ink); }

.site-main { margin-left: var(--rail); min-height: calc(100vh - 342px); }
.site-footer { margin-left: var(--rail); border-top: 1px solid var(--line); display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(220px, .75fr); gap: 3rem; padding: 3rem max(6vw, 3rem) 2rem; }
.footer-identity { max-width: 540px; }
.footer-identity p:last-child { font-size: .9rem; }
.footer-links { grid-template-columns: repeat(2, minmax(0, 1fr)); align-content: start; }
.footer-links a { color: var(--ink-soft); font-size: .82rem; }
.footer-close { grid-column: 1 / -1; margin: 1rem 0 0; padding-top: 1.5rem; border-top: 1px solid var(--line); color: var(--ink); font-family: var(--serif); }

.page { width: min(var(--content), calc(100% - 12vw)); margin: 0 auto; padding: 6rem 0; }
.page-header { display: grid; grid-template-columns: minmax(0, 1fr) 230px; gap: 3rem; padding-bottom: 4rem; border-bottom: 1px solid var(--line); }
.page-intro { max-width: 700px; font-size: 1.15rem; }
.page-intro p { font-size: inherit; }
.eyebrow { margin-bottom: 1rem; color: var(--muted); font-family: var(--mono); font-size: .7rem; font-weight: 500; letter-spacing: .11em; line-height: 1.35; text-transform: uppercase; }
.context-rail { border-left: 1px solid var(--line); padding-left: 1.2rem; align-self: end; }
.context-rail h2 { font-family: var(--sans); font-size: .8rem; letter-spacing: 0; line-height: 1.3; margin-bottom: .55rem; }
.context-rail p, .context-rail a { color: var(--muted); font-size: .77rem; line-height: 1.6; }
.context-rail p:last-child { margin: 0; }
.content-section { padding: 5.5rem 0; border-bottom: 1px solid var(--line); }
.content-section:last-child { border-bottom: 0; }
.section-grid { display: grid; grid-template-columns: minmax(190px, .48fr) minmax(0, 1.1fr); gap: 3rem; }
.section-heading { max-width: 570px; }
.section-heading .section-intro { color: var(--ink-soft); }
.section-heading .section-intro p { font-size: 1rem; }
.prose { max-width: 720px; }
.prose p { font-size: 1.02rem; }
.prose > *:last-child { margin-bottom: 0; }
.text-link { display: inline-flex; gap: .5rem; align-items: center; margin-top: .6rem; color: var(--ink); font-weight: 600; font-size: .9rem; border-bottom: 1px solid var(--ink); text-decoration: none; }
.text-link:hover { text-decoration: none; border-bottom-color: var(--muted); }
.button-row { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.8rem; }
.button { min-height: 46px; display: inline-flex; align-items: center; justify-content: center; padding: .7rem 1rem; border: 1px solid var(--ink); font-size: .86rem; font-weight: 600; text-decoration: none; transition: background .16s ease, color .16s ease; }
.button:hover { text-decoration: none; }
.button-dark { color: var(--white); background: var(--ink); }
.button-dark:hover { background: var(--white); color: var(--ink); }
.button-light { background: transparent; color: var(--ink); }
.button-light:hover { background: var(--ink); color: var(--white); }
.workspace-preview { position: relative; display: grid; grid-template-columns: 150px 1fr 160px; gap: 1px; min-height: 270px; margin-top: 4rem; overflow: hidden; border: 1px solid var(--line-strong); background: var(--line); }
.workspace-preview > div { padding: 1.1rem; background: var(--white); }
.workspace-nav p { margin: 0 0 .75rem; color: var(--ink); font-family: var(--mono); font-size: .68rem; }
.workspace-nav span { display: block; height: 7px; width: 80%; margin: 13px 0; background: #dedcd7; }
.workspace-nav span:nth-child(3) { width: 63%; background: var(--ink); }
.workspace-main { display: flex; flex-direction: column; justify-content: center; }
.workspace-main small { color: var(--muted); font-family: var(--mono); letter-spacing: .09em; text-transform: uppercase; }
.workspace-main strong { max-width: 460px; margin-top: 1rem; font-family: var(--serif); font-size: clamp(1.5rem, 3vw, 2.7rem); font-weight: 600; line-height: 1.08; }
.workspace-main .rule { width: 85%; height: 1px; margin-top: 1.4rem; background: var(--ink); }
.workspace-context { display: grid; align-content: start; gap: 9px; }
.workspace-context span { height: 50px; border: 1px solid var(--line); }
.workspace-context span:nth-child(1) { border-color: var(--ink); }

.metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line-strong); border-left: 1px solid var(--line); }
.metric-card { padding: 1.3rem 1rem 1.4rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--white); }
.metric-value { margin-bottom: .5rem; color: var(--ink); font-family: var(--serif); font-size: 2.6rem; font-weight: 600; line-height: 1; }
.metric-card h3 { font-family: var(--sans); font-size: .9rem; }
.metric-card p:last-child { margin: 0; font-size: .76rem; line-height: 1.55; }
.area-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.area-card { min-height: 166px; padding: 1.4rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--white); }
.area-card p { margin: 0; font-size: .86rem; line-height: 1.6; }
.quote-callout { padding: 1.6rem 1.6rem 1.4rem; border-left: 3px solid var(--ink); background: var(--white); }
.quote-callout p { max-width: 750px; margin: 0; color: var(--ink); font-family: var(--serif); font-size: clamp(1.45rem, 2.5vw, 2.25rem); line-height: 1.22; }
.process-list { border-top: 1px solid var(--line); }
.process-step { display: grid; grid-template-columns: 58px 210px minmax(0,1fr); gap: 1.2rem; padding: 1.6rem 0; border-bottom: 1px solid var(--line); }
.process-number { color: var(--muted); font-family: var(--mono); font-size: .75rem; }
.process-step h3 { margin: 0; font-family: var(--serif); font-size: 1.23rem; }
.process-step p { margin: 0; max-width: 660px; font-size: .9rem; }
.card-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; border: 1px solid var(--line); background: var(--line); }
.research-card, .team-card, .update-card, .artifact-card, .placeholder-card { padding: 1.55rem; background: var(--white); }
.research-card { min-height: 270px; }
.research-card .status-badge, .update-category { margin-bottom: 1.25rem; }
.research-card p, .update-card p, .artifact-card p, .team-card p { font-size: .86rem; line-height: 1.65; }
.research-card ul { margin: 1rem 0 0; font-size: .8rem; }
.status-badge, .update-category { display: inline-flex; align-items: center; gap: .35rem; width: max-content; border: 1px solid var(--line-strong); padding: .22rem .48rem; color: var(--ink-soft); font-family: var(--mono); font-size: .65rem; line-height: 1.3; }
.status-badge:before { content: ''; width: 5px; height: 5px; background: var(--ink); border-radius: 50%; }
.status-published:before, .status-completed:before { background: #777; }
.publication-card { padding: 2rem; border: 1px solid var(--line-strong); background: var(--white); }
.publication-card h3 { max-width: 720px; font-family: var(--serif); font-size: 1.6rem; font-weight: 600; }
.publication-meta { display: flex; flex-wrap: wrap; gap: .6rem 1rem; margin: 1rem 0 1.2rem; color: var(--muted); font-family: var(--mono); font-size: .68rem; }
.publication-card p { max-width: 760px; }
.publication-actions { display: flex; gap: 1.1rem; flex-wrap: wrap; padding-top: 1rem; border-top: 1px solid var(--line); font-size: .82rem; font-weight: 600; }
.publication-actions a { border-bottom: 1px solid var(--ink); }
.placeholder-state { display: flex; gap: 1rem; padding: 1.4rem; border: 1px dashed var(--line-strong); background: #f1f0ed; }
.placeholder-state span { color: var(--muted); font-family: var(--mono); }
.placeholder-state p { margin: 0; color: var(--ink-soft); font-size: .86rem; }
.limitation-notice { display: grid; grid-template-columns: 25px 1fr; gap: .9rem; padding: 1rem; border: 1px solid var(--line-strong); background: #edebe6; }
.limitation-notice > span { display: grid; place-items: center; width: 22px; height: 22px; border: 1px solid var(--ink); color: var(--ink); font-family: var(--mono); font-size: .77rem; }
.limitation-notice strong { font-size: .82rem; }
.limitation-notice p { margin: .25rem 0 0; font-size: .82rem; line-height: 1.6; }
.team-card { min-height: 260px; }
.team-initials { display: grid; place-items: center; width: 45px; height: 45px; margin-bottom: 1.5rem; border: 1px solid var(--ink); color: var(--ink); font-family: var(--mono); font-size: .77rem; }
.team-card h3 { font-family: var(--serif); font-size: 1.35rem; }
.team-role { color: var(--muted) !important; font-family: var(--mono); font-size: .68rem !important; letter-spacing: .04em; text-transform: uppercase; }
.forthcoming { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 1px; border: 1px solid var(--line); background: var(--line); }
.forthcoming div { padding: 1rem; min-height: 105px; background: var(--white); }
.forthcoming p { margin: 0 0 .35rem; font-family: var(--mono); font-size: .65rem; color: var(--muted); text-transform: uppercase; }
.forthcoming strong { font-family: var(--serif); font-size: 1.25rem; font-weight: 500; }
.principle-list { border-top: 1px solid var(--line); }
.principle { display: grid; grid-template-columns: 82px minmax(0, .75fr) minmax(0, 1.35fr); gap: 1.5rem; padding: 2rem 0; border-bottom: 1px solid var(--line); }
.principle-number { color: var(--muted); font-family: var(--mono); font-size: .74rem; }
.principle h2 { margin: 0; font-family: var(--serif); font-size: 1.45rem; line-height: 1.2; }
.principle p { margin: 0; font-size: .9rem; }
.timeline { position: relative; border-top: 1px solid var(--line); }
.timeline-item { display: grid; grid-template-columns: 130px minmax(0, 1fr); gap: 2rem; padding: 2rem 0; border-bottom: 1px solid var(--line); }
.timeline-date { color: var(--muted); font-family: var(--mono); font-size: .68rem; text-transform: uppercase; }
.timeline-item h2 { margin: .9rem 0 .8rem; font-family: var(--serif); font-size: 1.55rem; }
.timeline-item p { max-width: 700px; margin: 0; font-size: .9rem; }
.interest-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); border: 1px solid var(--line); background: var(--line); }
.interest-grid article { padding: 1.35rem; background: var(--white); }
.interest-grid p { margin: 0; font-size: .86rem; }
.contact-form { max-width: 780px; }
.form-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1rem; }
.contact-form label { display: grid; gap: .45rem; margin-bottom: 1rem; color: var(--ink); font-size: .82rem; font-weight: 600; }
.contact-form input, .contact-form textarea, .contact-form select { width: 100%; padding: .75rem; border: 1px solid var(--line-strong); border-radius: 0; background: var(--white); color: var(--ink); font-size: .92rem; }
.contact-form textarea { resize: vertical; }
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus { outline: 2px solid var(--ink); outline-offset: 1px; border-color: var(--ink); }
.contact-form .privacy-note { font-size: .75rem; line-height: 1.55; }
.honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-error { padding: .8rem; border-left: 2px solid var(--ink); background: #ebe9e3; font-size: .82rem; }
.form-confirmation { padding: 1.6rem; border: 1px solid var(--ink); background: var(--white); }
.form-confirmation h3 { font-family: var(--serif); font-size: 1.4rem; }
.form-confirmation p { max-width: 640px; }
.text-button { padding: 0; border: 0; border-bottom: 1px solid var(--ink); background: none; color: var(--ink); font-size: .83rem; font-weight: 600; }
.last-updated { color: var(--muted); font-family: var(--mono); font-size: .65rem; text-transform: uppercase; }
.legal { max-width: 790px; }
.legal h2 { margin-top: 2.5rem; font-family: var(--serif); font-size: 1.55rem; }

.mobile-bar, .mobile-drawer { display: none; }
.mobile-drawer[hidden] { display: none !important; }
@media (max-width: 920px) {
  :root { --rail: 205px; }
  .site-rail { padding-left: 17px; padding-right: 17px; }
  .page { width: min(var(--content), calc(100% - 8vw)); }
  .page-header { grid-template-columns: 1fr; }
  .context-rail { max-width: 580px; border-left: 0; border-top: 1px solid var(--line); padding: 1rem 0 0; }
  .metrics, .forthcoming { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 700px) {
  body { font-size: 15px; }
  .site-rail { display: none; }
  .mobile-bar { position: sticky; top: 0; z-index: 40; display: flex; align-items: center; justify-content: space-between; height: 68px; padding: 0 18px; border-bottom: 1px solid var(--line); background: rgba(247,246,242,.96); backdrop-filter: blur(8px); }
  .brand { margin: 0; }
  .brand-copy small { display: none; }
  .menu-button { min-width: 44px; min-height: 44px; border: 1px solid var(--line-strong); background: var(--white); color: var(--ink); font-family: var(--mono); font-size: .72rem; }
  .menu-button[aria-expanded="true"] { background: var(--ink); color: var(--white); }
  .mobile-drawer { position: fixed; z-index: 35; inset: 68px 0 0; display: flex; flex-direction: column; padding: 1.4rem 18px 2rem; overflow: auto; background: var(--paper); }
  .mobile-drawer .primary-nav a { min-height: 49px; font-size: 1rem; }
  .drawer-secondary { display: grid; gap: 1rem; padding-top: 1.5rem; margin-top: 1.5rem; border-top: 1px solid var(--line); }
  .drawer-secondary a { color: var(--ink-soft); font-size: .88rem; }
  .site-main, .site-footer { margin-left: 0; }
  .site-footer { grid-template-columns: 1fr; gap: 1.5rem; padding: 2.5rem 18px 1.5rem; }
  .page { width: min(100% - 36px, var(--content)); padding: 3.5rem 0; }
  .page-header { padding-bottom: 3rem; }
  .content-section { padding: 3.5rem 0; }
  .section-grid { grid-template-columns: 1fr; gap: 1.2rem; }
  .workspace-preview { grid-template-columns: 90px 1fr; min-height: 240px; margin-top: 2rem; }
  .workspace-context { display: none; }
  .workspace-main strong { font-size: 1.55rem; }
  .metrics, .area-grid, .card-grid, .interest-grid, .forthcoming { grid-template-columns: 1fr; }
  .process-step { grid-template-columns: 38px 1fr; gap: .7rem; }
  .process-step p { grid-column: 2; }
  .principle { grid-template-columns: 44px 1fr; gap: .8rem; }
  .principle p { grid-column: 2; }
  .timeline-item { grid-template-columns: 1fr; gap: .6rem; }
  .form-grid { grid-template-columns: 1fr; gap: 0; }
  .footer-links { grid-template-columns: 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; } }