:root {
  color-scheme: light;
  --bg: #eef3f2;
  --surface: #f8fbfa;
  --ink: #102725;
  --soft: #445c58;
  --muted: #71847f;
  --line: rgba(16, 39, 37, .14);
  --accent: #0b7469;
  --accent-light: #cfe4df;
  --attack: #d7654f;
  --intervene: #397eb8;
  --state: #18836f;
  --context: #8462b8;
  --embodied: #516dc1;
  --evaluate: #c77a25;
  --train: #168a8b;
  --serif: "Newsreader", Georgia, serif;
  --sans: "DM Sans", system-ui, sans-serif;
  --max: 1440px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--bg); font-family: var(--sans); line-height: 1.6; -webkit-font-smoothing: antialiased; }
::selection { color: var(--surface); background: var(--accent); }
a { color: inherit; }
.site-header, main, footer { width: min(var(--max), calc(100% - 64px)); margin-inline: auto; }
.site-header { display: flex; min-height: 76px; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.brand { border: 0; font-family: var(--serif); font-size: 1.45rem; font-weight: 500; letter-spacing: -.035em; text-decoration: none; }
.brand span { color: var(--accent); }
nav, .footer-links { display: flex; gap: clamp(18px, 3vw, 34px); }
nav a, .footer-links a { color: var(--soft); font-size: .88rem; font-weight: 500; text-decoration: none; }
nav a:hover, .footer-links a:hover { color: var(--accent); }

.hero { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(470px, .9fr); gap: clamp(36px, 4.5vw, 68px); align-items: center; padding: 64px 0 54px; }
.hero-copy { max-width: 760px; }
.eyebrow, .section-kicker { margin: 0 0 18px; color: var(--accent); font-size: .73rem; font-weight: 600; letter-spacing: .15em; text-transform: uppercase; }
h1, h2, h3 { margin: 0; font-family: var(--serif); font-weight: 400; }
h1 { max-width: 690px; font-size: clamp(3.7rem, 7vw, 5.6rem); line-height: .93; letter-spacing: -.052em; }
.lede { max-width: 610px; margin: 27px 0 0; color: var(--soft); font-family: var(--serif); font-size: clamp(1.15rem, 1.8vw, 1.42rem); line-height: 1.45; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.button { display: inline-flex; min-height: 40px; align-items: center; justify-content: center; padding: 0 17px; border: 1px solid var(--line); border-radius: 100px; color: var(--soft); background: rgba(248, 251, 250, .4); font-size: .78rem; font-weight: 600; text-decoration: none; }
.button:hover { color: var(--accent); background: var(--surface); border-color: rgba(11, 116, 105, .35); }
.button.primary { color: white; background: var(--ink); border-color: var(--ink); }
.button.primary:hover { color: white; background: var(--accent); border-color: var(--accent); }
.latest { width: min(560px, 100%); justify-self: end; margin-top: 42px; }
.latest-label { margin: 0 0 2px; color: var(--accent); font-size: .7rem; font-weight: 600; letter-spacing: .13em; text-transform: uppercase; }
.latest-report { position: relative; display: block; overflow: hidden; color: white; background: #176f62; border-radius: 2px; box-shadow: 0 20px 44px rgba(16, 39, 37, .14); text-decoration: none; }
.latest-report::before, .latest-report::after { position: absolute; border: 1px solid rgba(255, 255, 255, .22); border-radius: 50%; content: ""; pointer-events: none; }
.latest-report::before { top: -130px; right: -45px; width: 310px; height: 230px; box-shadow: 0 10px 0 rgba(255,255,255,.14), 0 20px 0 rgba(255,255,255,.12), 0 30px 0 rgba(255,255,255,.1), 0 40px 0 rgba(255,255,255,.08), 0 50px 0 rgba(255,255,255,.06); transform: rotate(12deg); }
.latest-report::after { right: -155px; bottom: 44px; width: 265px; height: 320px; box-shadow: -10px 0 0 rgba(255,255,255,.13), -20px 0 0 rgba(255,255,255,.11), -30px 0 0 rgba(255,255,255,.09), -40px 0 0 rgba(255,255,255,.07); }
.latest-report:hover { background: #14796a; }
.report-body { position: relative; z-index: 1; min-height: 218px; padding: 25px 29px 22px; }
.report-kicker { display: block; color: rgba(255, 255, 255, .72); font-size: .66rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; }
.report-body h2 { max-width: 24ch; margin-top: 18px; font-family: var(--sans); font-size: clamp(1.35rem, 1.75vw, 1.72rem); font-weight: 600; line-height: 1.18; letter-spacing: -.025em; }
.report-marks { display: flex; align-items: center; gap: 23px; margin-top: 25px; }
.report-mark-icon { width: 62px; height: 40px; object-fit: contain; flex: 0 0 auto; }
.report-marks strong { font-family: var(--serif); font-size: 1.15rem; font-weight: 500; white-space: nowrap; }
.report-marks span { padding-left: 25px; border-left: 1px solid rgba(255, 255, 255, .45); font-size: .75rem; font-weight: 600; letter-spacing: .14em; }
.report-action { position: relative; z-index: 1; display: block; padding: 15px 29px 16px; border-top: 1px solid rgba(255, 255, 255, .32); font-size: .82rem; font-weight: 600; }

.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.research { padding: 46px 0 68px; border-top: 1px solid var(--line); }
.research-title { margin: 0 0 30px; font-size: clamp(2.8rem, 4.5vw, 4.6rem); line-height: 1; letter-spacing: -.04em; }
.branch-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line); }
.research-branch { position: relative; min-width: 0; padding: 25px 34px 28px 0; }
.research-branch + .research-branch { padding-left: 28px; border-left: 1px solid var(--line); }
.branch-heading { display: grid; min-height: 201px; grid-template-rows: 24px 1fr; }
.branch-heading > span { display: block; margin-bottom: 15px; color: var(--muted); font-family: var(--serif); font-style: italic; }
.branch-heading > div { display: grid; grid-template-rows: 56px 1fr; }
.branch-heading h2 { font-size: clamp(2rem, 3.3vw, 2.85rem); line-height: 1; letter-spacing: -.04em; }
.branch-heading p { margin: 11px 0 0; color: var(--soft); font-family: var(--serif); font-size: .98rem; line-height: 1.42; }
.concept, .paper-concept { border-radius: .25em; font-weight: 500; box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.concept { padding: .02em .24em .08em; background: color-mix(in srgb, currentColor 13%, transparent); }
.paper-concept { padding: .08em .2em; background: color-mix(in srgb, currentColor 9%, transparent); }
.tone-attack { color: var(--attack); }
.tone-intervene { color: var(--intervene); }
.tone-state { color: var(--state); }
.tone-context { color: var(--context); }
.tone-embodied { color: var(--embodied); }
.tone-evaluate { color: var(--evaluate); }
.tone-train { color: var(--train); }
.timeline { position: relative; display: grid; gap: 11px; padding: 13px 0 0 18px; border-top: 1px solid var(--line); }
.timeline::before { position: absolute; top: 27px; bottom: 18px; left: 3px; width: 3px; border-radius: 100px; content: ""; }
.timeline::after { position: absolute; top: 20px; left: -1px; width: 0; height: 0; border-right: 5px solid transparent; border-bottom: 8px solid var(--state); border-left: 5px solid transparent; content: ""; }
.research-branch:nth-child(1) .timeline::before { background: linear-gradient(to top, var(--attack), var(--intervene), var(--state)); }
.research-branch:nth-child(2) .timeline::before { background: linear-gradient(to top, var(--context), var(--embodied)); }
.research-branch:nth-child(2) .timeline::after { border-bottom-color: var(--embodied); }
.research-branch:nth-child(3) .timeline::before { background: linear-gradient(to top, var(--evaluate), var(--train)); }
.research-branch:nth-child(3) .timeline::after { border-bottom-color: var(--train); }
.work { padding: 17px 17px 18px; background: rgba(248, 251, 250, .68); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 7px 24px rgba(16, 39, 37, .035); }
.work:hover { background: var(--surface); border-color: rgba(16, 39, 37, .22); }
.work-meta { padding-top: 0; }
.work-meta time { font-family: var(--serif); font-size: 1.05rem; }
.work-meta span { margin-left: 8px; color: var(--accent); font-size: .64rem; font-weight: 600; letter-spacing: .07em; text-transform: uppercase; }
.work-body h3 { margin-top: 8px; font-size: 1.65rem; line-height: 1.08; letter-spacing: -.018em; }
.paper-title { margin: 4px 0 0; color: var(--soft); font-size: .72rem; font-weight: 500; line-height: 1.35; }
.authors { margin: 2px 0 0; color: var(--muted); font-size: .72rem; line-height: 1.45; }
.authors sup, .equal-note sup { color: var(--accent); font-weight: 600; }
.principle { margin: 19px 0 0; color: var(--soft); font-family: var(--serif); font-size: 1.05rem; line-height: 1.43; }
.work-links { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 18px; }
.links { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 15px; }
.work-links a, .work-links span, .links a { color: var(--accent); border-bottom: 1px solid transparent; font-size: .76rem; font-weight: 600; text-decoration: none; white-space: nowrap; }
.work-links a:hover, .links a:hover { border-color: var(--accent); }
.work-links span { color: var(--muted); }
.equal-note { margin: 16px 0 0; color: var(--muted); font-size: .75rem; }

.blog-page { min-height: calc(100vh - 215px); padding: clamp(95px, 15vh, 170px) 0 110px; }
.blog-page h1 { max-width: 720px; font-size: clamp(3.2rem, 7vw, 5.7rem); }
.blog-page > p:last-child { margin: 25px 0 0; color: var(--soft); font-family: var(--serif); font-size: 1.3rem; }

footer { display: flex; align-items: end; justify-content: space-between; padding: 35px 0 42px; border-top: 1px solid var(--line); }
footer p { margin: 4px 0 0; color: var(--muted); font-family: var(--serif); }
main > .hero:only-child { min-height: calc(100vh - 180px); }

@media (max-width: 800px) {
  .site-header, main, footer { width: min(var(--max), calc(100% - 30px)); }
  .site-header { min-height: 72px; }
  .hero { grid-template-columns: 1fr; padding: 52px 0 58px; }
  .latest { width: min(560px, 100%); justify-self: start; margin-top: 22px; }
  .research { padding-top: 40px; }
  .branch-grid { grid-template-columns: 1fr; }
  .research-branch, .research-branch + .research-branch { padding: 25px 0 28px; border-left: 0; }
  .research-branch + .research-branch { border-top: 1px solid var(--ink); }
  .branch-heading { display: block; min-height: 0; margin-bottom: 25px; }
  .branch-heading > div { display: block; }
  .branch-heading > span { margin-bottom: 12px; }
  .timeline { margin-left: 0; }
  footer { align-items: start; flex-direction: column; gap: 28px; }
}

@media (max-width: 480px) {
  nav { gap: 15px; }
  h1 { font-size: clamp(3.35rem, 17vw, 5rem); }
  .report-marks { gap: 14px; }
  .report-marks span { padding-left: 14px; }
  .signal { width: 82vw; }
  .branch-heading h2 { font-size: 2.35rem; }
}