:root {
  --background: #faf7f0;
  --surface: #fffdf8;
  --text: #263238;
  --secondary: #6d6a63;
  --accent: #007c83;
  --accent-hover: #005f65;
  --highlight: #d9825b;
  --border: #ded6c8;
  --soft: #f1ece3;
  --max-width: 1120px;
  --reading-width: 740px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img, svg { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }
h1, h2, h3, h4, p { margin-top: 0; }
::selection { background: rgba(0,124,131,.16); }
.shell { width: min(var(--max-width), calc(100% - 44px)); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 100; padding: 9px 13px; background: var(--text); color: white; text-decoration: none; }
.skip-link:focus { top: 16px; }
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(250,247,240,.96); border-bottom: 1px solid var(--border); backdrop-filter: blur(9px); }
.header-inner { min-height: 64px; display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 30px; }
.wordmark { font-weight: 650; text-decoration: none; letter-spacing: -.01em; }
.nav-links, .header-contact { display: flex; align-items: center; gap: 20px; }
.nav-links a, .header-contact a { color: var(--secondary); font-size: .86rem; text-decoration: none; }
.nav-links a:hover, .header-contact a:hover, .nav-links a[aria-current="page"] { color: var(--text); }
.nav-links a[aria-current="page"] { text-decoration: underline; text-decoration-color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 7px; }
.header-contact { gap: 13px; padding-left: 18px; border-left: 1px solid var(--border); }
.mobile-contact-links { display: none; }
.menu-button { display: none; border: 1px solid var(--border); background: transparent; color: var(--text); padding: 7px 10px; cursor: pointer; }
.home-intro { display: grid; grid-template-columns: minmax(0, 1fr) 265px; gap: clamp(36px, 8vw, 90px); padding: clamp(72px, 10vw, 118px) 0 68px; border-bottom: 1px solid var(--border); }
.home-intro-main h1 { margin-bottom: 24px; font-size: clamp(3rem, 7vw, 5.5rem); line-height: .98; letter-spacing: -.035em; font-weight: 620; }
.home-intro-main .intro-copy { max-width: 760px; margin-bottom: 0; color: var(--secondary); font-size: clamp(1.08rem, 1.7vw, 1.27rem); line-height: 1.68; }
.intro-links { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 26px; }
.intro-links a, .inline-link { color: var(--secondary); font-size: .9rem; text-decoration: none; }
.intro-links a:hover, .inline-link:hover { color: var(--accent-hover); text-decoration: underline; text-underline-offset: 4px; }
.home-note { align-self: end; padding: 18px 0 3px 18px; border-left: 2px solid var(--accent); }
.home-note p { margin-bottom: 7px; }
.home-note small { display: block; color: var(--secondary); }
.section { padding: 66px 0; border-bottom: 1px solid var(--border); }
.section-heading { display: flex; justify-content: space-between; align-items: baseline; gap: 24px; margin-bottom: 24px; }
.section-heading h2 { margin: 0; font-size: clamp(1.65rem, 2.8vw, 2.3rem); line-height: 1.18; letter-spacing: -.018em; font-weight: 620; }
.section-heading a { color: var(--secondary); font-size: .88rem; text-decoration: none; }
.section-heading a:hover { color: var(--accent-hover); text-decoration: underline; text-underline-offset: 4px; }
.current-list, .work-index, .timeline, .compact-list { border-top: 1px solid var(--text); }
.current-item { display: grid; grid-template-columns: 230px 1fr; gap: 36px; padding: 22px 0; border-bottom: 1px solid var(--border); }
.current-item h3 { margin: 0; font-size: 1rem; font-weight: 620; }
.current-item p { max-width: 740px; margin: 0; color: var(--secondary); }
.work-row {
  display: grid;
  grid-template-columns: 60px minmax(220px, .7fr) minmax(0, 1.4fr) 165px;
  gap: 24px;
  align-items: start;
  padding: 25px 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
}
.work-row:hover h3 { color: var(--accent-hover); }
.work-row .number { color: var(--secondary); font-family: var(--mono); font-size: .76rem; padding-top: 4px; }
.work-row h3 { margin: 0; font-size: 1.16rem; font-weight: 620; }
.work-row p { margin: 0; color: var(--secondary); font-size: .94rem; }
.work-row .kind { color: var(--secondary); font-family: var(--mono); font-size: .72rem; text-align: right; padding-top: 4px; }
.timeline-item { display: grid; grid-template-columns: 130px minmax(0, 1fr) minmax(150px, .34fr); gap: 24px; padding: 20px 0; border-bottom: 1px solid var(--border); }
.timeline-item time { color: var(--secondary); font-family: var(--mono); font-size: .75rem; }
.timeline-item h3 { margin-bottom: 3px; font-size: 1rem; font-weight: 620; }
.timeline-item p { margin: 0; color: var(--secondary); font-size: .9rem; }
.timeline-side { color: var(--secondary); font-size: .8rem; text-align: right; }
.page-heading { max-width: 850px; padding: 78px 0 48px; border-bottom: 1px solid var(--border); }
.page-heading h1 { margin: 0 0 18px; font-size: clamp(2.9rem, 6.5vw, 5.1rem); line-height: 1; letter-spacing: -.032em; font-weight: 620; }
.page-heading .deck { max-width: 720px; margin: 0; color: var(--secondary); font-size: 1.05rem; line-height: 1.7; }
.page-heading .page-kicker { margin-bottom: 12px; color: var(--accent-hover); font-family: var(--mono); font-size: .75rem; }
.project-section { padding: 56px 0; border-bottom: 1px solid var(--border); }
.project-section-title { display: grid; grid-template-columns: 220px 1fr; gap: 32px; margin-bottom: 10px; }
.project-section-title h2 { margin: 0; font-size: 1.35rem; font-weight: 620; }
.project-section-title p { max-width: 650px; color: var(--secondary); }
.project-list { border-top: 1px solid var(--text); }
.project-entry { display: grid; grid-template-columns: minmax(220px, .7fr) minmax(0, 1.35fr) 190px; gap: 34px; padding: 30px 0; border-bottom: 1px solid var(--border); }
.project-entry h3 { margin: 0 0 7px; font-size: 1.25rem; line-height: 1.25; font-weight: 620; }
.project-entry h3 a { text-decoration: none; }
.project-entry h3 a:hover { color: var(--accent-hover); }
.project-entry p { margin: 0; color: var(--secondary); font-size: .93rem; }
.project-meta { color: var(--secondary); font-family: var(--mono); font-size: .7rem; line-height: 1.65; }
.project-meta strong { display: block; color: var(--text); font-family: inherit; font-weight: 500; }
.project-links { display: flex; flex-wrap: wrap; gap: 15px; margin-top: 13px; }
.project-links a { color: var(--accent-hover); font-size: .86rem; text-decoration: none; }
.project-links a:hover { text-decoration: underline; text-underline-offset: 4px; }
.compact-item { display: grid; grid-template-columns: 220px minmax(0, 1fr) 150px; gap: 30px; padding: 20px 0; border-bottom: 1px solid var(--border); }
.compact-item h3 { margin: 0; font-size: .98rem; font-weight: 620; }
.compact-item p { margin: 0; color: var(--secondary); font-size: .9rem; }
.compact-item .status { color: var(--secondary); font-family: var(--mono); font-size: .7rem; text-align: right; }
.now-entry { display: grid; grid-template-columns: 210px minmax(0, 760px); gap: 36px; padding: 38px 0; border-bottom: 1px solid var(--border); }
.now-entry:first-of-type { border-top: 1px solid var(--text); }
.now-entry h2 { margin: 0; font-size: 1.2rem; font-weight: 620; }
.now-entry p, .now-entry li { color: var(--secondary); }
.now-entry ul { margin: 16px 0 0; padding-left: 1.1rem; }
.now-entry li { margin: 5px 0; }
.now-entry .now-status { margin-top: 12px; color: var(--text); font-family: var(--mono); font-size: .72rem; }
.prose-page { max-width: var(--reading-width); padding: 56px 0 68px; border-bottom: 1px solid var(--border); }
.prose { font-size: 1.03rem; }
.prose p { color: var(--secondary); }
.prose p:first-child { color: var(--text); font-size: 1.09rem; }
.about-grid { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 36px; padding: 55px 0; border-bottom: 1px solid var(--border); }
.about-grid h2 { margin: 0; font-size: 1.25rem; font-weight: 620; }
.case-header { max-width: 930px; padding: 64px 0 46px; border-bottom: 1px solid var(--border); }
.case-header .back-link { color: var(--secondary); font-size: .86rem; text-decoration: none; }
.case-header .back-link:hover { color: var(--accent-hover); text-decoration: underline; text-underline-offset: 4px; }
.case-header h1 { margin: 36px 0 18px; max-width: 950px; font-size: clamp(2.7rem, 6vw, 5rem); line-height: .99; letter-spacing: -.034em; font-weight: 620; }
.case-header .case-deck { max-width: 760px; margin: 0; color: var(--secondary); font-size: clamp(1.03rem, 1.55vw, 1.18rem); }
.case-section { display: grid; grid-template-columns: 185px minmax(0, 760px); gap: 42px; padding: 44px 0; border-bottom: 1px solid var(--border); }
.case-section > h2 { margin: 0; font-size: 1rem; font-weight: 620; }
.case-copy h3 { margin: 27px 0 8px; font-size: 1.08rem; }
.case-copy h3:first-child { margin-top: 0; }
.case-copy p, .case-copy li { color: var(--secondary); }
.case-copy ul, .case-copy ol { padding-left: 1.15rem; }
.case-copy li { margin: 7px 0; }
.case-copy a { color: var(--accent-hover); }
.metric-row { display: grid; grid-template-columns: repeat(3, 1fr); margin: 24px 0; border: 1px solid var(--border); }
.metric { min-height: 105px; padding: 17px 18px; border-right: 1px solid var(--border); background: rgba(255,253,248,.38); }
.metric:last-child { border-right: 0; }
.metric strong { display: block; margin-bottom: 4px; font-size: 1.38rem; font-weight: 620; }
.metric span { color: var(--secondary); font-size: .78rem; }
.evidence-note, .caveat { margin: 22px 0; padding: 15px 17px; border-left: 2px solid var(--highlight); background: rgba(217,130,91,.07); color: var(--secondary); font-size: .9rem; }
.evidence-note strong, .caveat strong { color: var(--text); }
.fact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; margin: 24px 0; background: var(--border); border: 1px solid var(--border); }
.fact { padding: 17px; background: var(--background); }
.fact strong { display: block; margin-bottom: 5px; font-size: .95rem; }
.fact span { color: var(--secondary); font-size: .86rem; }
.flow { display: flex; align-items: stretch; gap: 0; margin: 25px 0; overflow-x: auto; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.flow-step { min-width: 145px; flex: 1; position: relative; padding: 17px 28px 17px 14px; color: var(--secondary); font-size: .82rem; }
.flow-step strong { display: block; margin-bottom: 4px; color: var(--text); font-size: .88rem; }
.flow-step:not(:last-child)::after { content: '→'; position: absolute; right: 8px; top: 50%; transform: translateY(-50%); color: var(--accent); }
.bar-chart { margin: 25px 0; }
.bar-item { display: grid; grid-template-columns: 155px minmax(0, 1fr) 70px; gap: 14px; align-items: center; margin: 11px 0; }
.bar-label { font-size: .82rem; color: var(--secondary); }
.bar-track { height: 9px; background: var(--border); }
.bar-fill { height: 100%; background: var(--accent); }
.bar-value { text-align: right; font-family: var(--mono); font-size: .72rem; }
.tech-list { margin: 0; padding: 0; list-style: none; }
.tech-list li { display: inline; color: var(--secondary); font-size: .9rem; }
.tech-list li::after { content: ', '; }
.tech-list li:last-child::after { content: '.'; }
.data-table { width: 100%; border-collapse: collapse; margin: 22px 0; font-size: .86rem; }
.data-table th, .data-table td { padding: 11px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.data-table th { color: var(--text); font-weight: 620; }
.data-table td { color: var(--secondary); }
.state-line { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0; }
.state { padding: 9px 11px; border: 1px solid var(--border); background: var(--surface); font-family: var(--mono); font-size: .72rem; }
.next-project { padding: 42px 0; display: flex; justify-content: space-between; gap: 24px; }
.next-project span { color: var(--secondary); font-size: .83rem; }
.next-project a { color: var(--accent-hover); font-weight: 550; text-decoration: none; }
.next-project a:hover { text-decoration: underline; text-underline-offset: 4px; }
.site-footer { padding: 28px 0; color: var(--secondary); font-size: .8rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; }
.footer-inner div { display: flex; gap: 18px; }
.footer-inner a { text-decoration: none; }
.footer-inner a:hover { color: var(--accent-hover); }
.error-page { min-height: 70vh; display: grid; align-content: center; max-width: 720px; }
.error-page h1 { margin-bottom: 18px; }
.error-page p { color: var(--secondary); }
.error-page a { color: var(--accent-hover); }
@media (max-width: 920px) {
  .header-inner { grid-template-columns: 1fr auto; min-height: 62px; }
  .menu-button { display: block; }
  .header-contact { display: none; }
  .nav-links {
    position: absolute;
    top: 62px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 22px 18px;
    background: var(--background);
    border-bottom: 1px solid var(--border);
  }
  .nav-links.is-open { display: flex; }
  .nav-links > a { padding: 10px 0; }
  .nav-links a[aria-current="page"] { text-decoration: none; color: var(--text); }
  .mobile-contact-links { display: flex; flex-wrap: wrap; gap: 18px; padding-top: 12px; border-top: 1px solid var(--border); }
  .mobile-contact-links a { padding: 4px 0; }
  .home-intro { grid-template-columns: 1fr; }
  .home-note { max-width: 420px; }
  .work-row { grid-template-columns: 45px minmax(180px, .75fr) minmax(0, 1.25fr); }
  .work-row .kind { display: none; }
  .project-entry { grid-template-columns: minmax(180px, .7fr) minmax(0, 1.3fr); }
  .project-meta { grid-column: 2; }
  .case-section { grid-template-columns: 155px minmax(0, 1fr); }
}
@media (max-width: 650px) {
  .shell { width: min(100% - 28px, var(--max-width)); }
  .home-intro { padding-top: 58px; padding-bottom: 48px; gap: 28px; }
  .home-intro-main h1 { font-size: clamp(3rem, 16vw, 4.3rem); }
  .section { padding: 50px 0; }
  .section-heading { flex-direction: column; align-items: flex-start; gap: 7px; }
  .current-item, .timeline-item, .project-section-title, .project-entry, .compact-item, .now-entry, .about-grid, .case-section { grid-template-columns: 1fr; gap: 9px; }
  .work-row { grid-template-columns: 36px 1fr; gap: 9px 12px; }
  .work-row p { grid-column: 2; }
  .timeline-side, .compact-item .status { text-align: left; }
  .project-meta { grid-column: auto; }
  .page-heading { padding-top: 56px; }
  .metric-row, .fact-grid { grid-template-columns: 1fr; }
  .metric { border-right: 0; border-bottom: 1px solid var(--border); }
  .metric:last-child { border-bottom: 0; }
  .bar-item { grid-template-columns: 110px 1fr 56px; }
  .case-header h1 { font-size: clamp(2.65rem, 14vw, 4rem); }
  .case-section { padding: 36px 0; }
  .flow-step { min-width: 138px; }
  .data-table { font-size: .8rem; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }