/* Visual styles only. Site text lives in content/site.json. */

:root {
  color-scheme: light;
  --bg: #f8f7f3;
  --surface: #ffffff;
  --surface-sunk: #f1efe9;
  --text: #1a1d21;
  --muted: #4f5660;
  --border: #dcd8ce;
  --border-strong: #b5ae9f;
  --accent: #1c5785;
  --accent-hover: #123f62;
  --on-accent: #ffffff;
  --chip-bg: #e6eef5;
  --chip-fg: #1b4467;
  --ok-bg: #e2f0e6;
  --ok-fg: #17552e;
  --open-bg: #f5ebd0;
  --open-fg: #5f4200;
  --bad-bg: #f9e1e1;
  --bad-fg: #8c1c1c;
  --ph-bg: #fff3cf;
  --ph-fg: #5c3d00;
  --ph-border: #b07f00;
  --off-bg: #ecebe6;
  --off-fg: #575c63;
  --off-border: #b9b4a9;
  --code-bg: #f0eee8;
  --shadow: 0 1px 2px rgb(20 20 20 / 0.05), 0 6px 20px rgb(20 20 20 / 0.04);
  --radius: 12px;
  --radius-sm: 6px;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --mono: ui-monospace, "Cascadia Code", "Cascadia Mono", Consolas, "SF Mono", Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #111315;
    --surface: #191c1f;
    --surface-sunk: #15181a;
    --text: #e9e7e2;
    --muted: #a9aeb5;
    --border: #2d3237;
    --border-strong: #4a5057;
    --accent: #8cc0ea;
    --accent-hover: #b8d8f3;
    --on-accent: #0c1923;
    --chip-bg: #1d2a36;
    --chip-fg: #b9d6ee;
    --ok-bg: #15301f;
    --ok-fg: #9bdcb0;
    --open-bg: #33290f;
    --open-fg: #f0cf7a;
    --bad-bg: #3a1717;
    --bad-fg: #f2a7a7;
    --ph-bg: #2e250a;
    --ph-fg: #f5d47e;
    --ph-border: #a87f14;
    --off-bg: #202326;
    --off-fg: #a6abb1;
    --off-border: #474c52;
    --code-bg: #1f2326;
    --shadow: none;
  }
}

/* ---------- base ---------- */

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: 1rem;
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 1.0625rem/1.65 var(--sans);
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover { color: var(--accent-hover); text-decoration-thickness: 2px; }

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

main:focus { outline: none; }

h1, h2, h3 {
  margin: 0 0 0.5em;
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

h1 { font-size: clamp(2.1rem, 1.6rem + 2.4vw, 3.25rem); }
h2 { font-size: clamp(1.55rem, 1.35rem + 0.9vw, 2rem); }
h3 { font-size: 1.25rem; }

h4 { margin: 0 0 0.75rem; font: 600 1.3rem/1.3 var(--serif); text-wrap: balance; }

p { margin: 0 0 1em; }

code {
  padding: 0.1em 0.35em;
  border-radius: 4px;
  background: var(--code-bg);
  font-family: var(--mono);
  font-size: 0.88em;
  overflow-wrap: anywhere;
}

.wrap {
  width: 100%;
  max-width: 70rem;
  margin-inline: auto;
  padding-inline: 1rem;
}

@media (min-width: 40rem) {
  .wrap { padding-inline: 1.5rem; }
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 10;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 600;
}

.skip-link:focus { top: 1rem; color: var(--on-accent); }

.note { color: var(--muted); font-size: 0.92rem; }

/* ---------- header, banner, footer ---------- */

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.header__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.25rem 1.5rem;
  padding-block: 0.6rem;
}

.brand {
  padding-block: 0.4rem;
  color: var(--text);
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 600;
  text-decoration: none;
}

.brand:hover { color: var(--accent); }
.brand .ph { font-size: 0.72em; }

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav a {
  display: inline-block;
  padding-block: 0.5rem;
  color: var(--text);
  font-weight: 500;
  text-decoration: none;
}

.nav a:hover { color: var(--accent); text-decoration: underline; }

.draft-banner {
  border-bottom: 1px solid var(--ph-border);
  background: var(--ph-bg);
  color: var(--ph-fg);
  font-size: 0.95rem;
}

.draft-banner .wrap { padding-block: 0.75rem; }
.draft-banner p { margin: 0; }
.draft-banner details { margin-top: 0.35rem; }
.draft-banner summary { width: fit-content; font-weight: 600; cursor: pointer; }

.pending-list {
  margin: 0.5rem 0 0.25rem;
  padding-left: 1.2rem;
  columns: 2 24rem;
  column-gap: 2.5rem;
}

.pending-list li { margin-bottom: 0.35rem; break-inside: avoid; }

.pending-list code {
  display: block;
  padding: 0;
  background: none;
  color: inherit;
  font-size: 0.8em;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  font-size: 0.9rem;
}

.footer__inner { padding-block: 1.75rem 2rem; }
.site-footer p { max-width: 52rem; }
.site-footer p:last-child { margin-bottom: 0; }

/* ---------- placeholders and disabled links ---------- */

.ph {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4em;
  padding: 0.05em 0.55em;
  border: 1.5px dashed var(--ph-border);
  border-radius: var(--radius-sm);
  background: var(--ph-bg);
  color: var(--ph-fg);
  font-family: var(--sans);
  font-size: 0.85em;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0;
}

.ph__tag {
  font-size: 0.75em;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ph--block {
  display: block;
  max-width: 44rem;
  margin: 0 0 1rem;
  padding: 0.85rem 1rem;
  font-size: 0.95rem;
}

.ph--block p { margin: 0.3rem 0 0; }
.ph--block .ph__title { margin: 0; font-weight: 600; }
.ph--block code { padding: 0; background: none; color: inherit; }
.ph__path { font-size: 0.88em; }

h1 .ph { font-size: 0.5em; vertical-align: middle; }

.btn {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.15rem 0.5rem;
  min-height: 2.75rem;
  padding: 0.5rem 1rem;
  border: 1.5px solid var(--accent);
  border-radius: 8px;
  background: transparent;
  color: var(--accent);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.3;
  text-decoration: none;
}

.btn:hover { background: var(--chip-bg); color: var(--accent-hover); }

.btn--primary { background: var(--accent); color: var(--on-accent); }
.btn--primary:hover { border-color: var(--accent-hover); background: var(--accent-hover); color: var(--on-accent); }

.btn--off,
.btn--off:hover {
  border: 1.5px dashed var(--off-border);
  background: var(--off-bg);
  color: var(--off-fg);
  cursor: not-allowed;
}

.btn__note { font-size: 0.85em; font-weight: 500; }
.btn__note::before { content: "· "; }

.icon { flex: none; }

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

@media (forced-colors: active) {
  .btn--off { border-color: GrayText; color: GrayText; }
  .ph { border-color: CanvasText; }
}

/* ---------- home ---------- */

.hero { padding-block: clamp(2.5rem, 7vw, 5rem) clamp(2rem, 5vw, 3rem); }

.eyebrow {
  margin-bottom: 0.75rem;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero__intro { max-width: 44rem; }

.hero__summary {
  max-width: 44rem;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.1rem, 1rem + 0.4vw, 1.3rem);
  line-height: 1.55;
}

.section {
  padding-block: clamp(2.25rem, 5vw, 3.5rem);
  border-top: 1px solid var(--border);
}

.section__lede { max-width: 46rem; color: var(--muted); }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 28rem), 1fr));
  gap: 1.25rem;
  margin: 1.75rem 0 0;
  padding: 0;
  list-style: none;
}

.cards > li { display: flex; }

.card {
  display: flex;
  flex-direction: column;
  width: 100%;
  padding: 1.4rem 1.4rem 1.3rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.card h3 { margin: 0.75rem 0 0.9rem; font-size: 1.4rem; }
.card .actions { margin-top: auto; }

.chip {
  display: inline-block;
  width: fit-content;
  margin: 0;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  background: var(--chip-bg);
  color: var(--chip-fg);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.facts { margin: 0 0 1rem; font-size: 0.98rem; }

.facts dt,
.toc__title,
.pager__dir,
.code-label {
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.facts dd { margin: 0.1rem 0 0.8rem; }

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
}

.tags li {
  padding: 0.15rem 0.65rem;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: var(--surface);
  font-size: 0.82rem;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 19rem), 1fr));
  gap: 1.75rem 2.5rem;
  margin-top: 1.5rem;
}

.about-grid h3 { font-size: 1.15rem; }

.contact {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 0.9rem 2rem;
  max-width: 46rem;
  margin: 1.5rem 0 0;
}

.contact dt { font-weight: 600; }
.contact dd { margin: 0; }

@media (max-width: 30rem) {
  .contact { grid-template-columns: 1fr; gap: 0.2rem; }
  .contact dd { margin-bottom: 0.9rem; }
}

/* ---------- case study ---------- */

.crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.5rem;
  margin: 1.5rem 0 0;
  padding: 0;
  color: var(--muted);
  font-size: 0.9rem;
  list-style: none;
}

.crumbs li + li::before { content: "/"; margin-right: 0.5rem; color: var(--border-strong); }

.cs-head {
  padding-block: 1.75rem 2rem;
  border-bottom: 1px solid var(--border);
}

.cs-head h1 { margin-top: 0.8rem; }
.cs-type { color: var(--muted); }

.cs-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2rem;
  padding-block: 2rem 2.5rem;
}

.toc {
  padding: 1rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  font-size: 0.93rem;
}

.toc__title { margin-bottom: 0.4rem; }

.toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
  columns: 2 11rem;
  column-gap: 1.5rem;
}

.toc a {
  display: block;
  padding-block: 0.3rem;
  color: var(--text);
  text-decoration: none;
}

.toc a:hover { color: var(--accent); text-decoration: underline; }

@media (min-width: 62rem) {
  .cs-layout { grid-template-columns: 13.5rem minmax(0, 1fr); gap: 3.5rem; }

  .toc {
    position: sticky;
    top: 1.5rem;
    align-self: start;
    padding: 0;
    border: 0;
    background: none;
  }

  .toc ol { columns: auto; border-left: 2px solid var(--border); }
  .toc a { margin-left: -2px; padding-left: 0.9rem; border-left: 2px solid transparent; color: var(--muted); }
  .toc a:hover { border-left-color: var(--accent); text-decoration: none; }
}

.prose { max-width: 47rem; }
.prose section { margin-bottom: 2.75rem; scroll-margin-top: 1rem; }
.prose h2 { font-size: 1.6rem; }

.evidence {
  width: 100%;
  margin: 1.25rem 0 0;
  border: 1px solid var(--border);
  border-spacing: 0;
  border-radius: var(--radius);
  background: var(--surface);
  font-size: 0.93rem;
}

.evidence th,
.evidence td {
  padding: 0.75rem 0.9rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.evidence thead th {
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.evidence tbody th { width: 30%; font-weight: 600; }
.evidence td:last-child { width: 9.5rem; }
.evidence tbody tr:last-child > * { border-bottom: 0; }

@media (max-width: 44rem) {
  .evidence,
  .evidence tbody,
  .evidence tr,
  .evidence th,
  .evidence td {
    display: block;
    width: auto !important;
  }

  .evidence thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
  }

  .evidence tr { padding: 0.9rem 1rem; border-bottom: 1px solid var(--border); }
  .evidence tbody tr:last-child { border-bottom: 0; }
  .evidence tbody th,
  .evidence td { padding: 0; border: 0; }
  .evidence td { margin-top: 0.5rem; }

  .evidence td::before {
    content: attr(data-label);
    display: block;
    color: var(--muted);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }
}

.status {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.status--ok { background: var(--ok-bg); color: var(--ok-fg); }
.status--open { background: var(--open-bg); color: var(--open-fg); }
.status--bad { background: var(--bad-bg); color: var(--bad-fg); }

.status__note {
  display: block;
  margin-top: 0.3rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.prose .actions { margin-bottom: 1.25rem; }
.code-label { margin-bottom: 0.4rem; }

.code {
  margin: 0 0 1rem;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--code-bg);
}

.code pre {
  margin: 0;
  padding: 0.9rem 1rem;
  font-size: 0.88rem;
  line-height: 1.6;
}

.code code { padding: 0; background: none; font-size: inherit; overflow-wrap: normal; }

.independence {
  margin-top: 0.5rem;
  padding: 0.2rem 0 0.2rem 1rem;
  border-left: 3px solid var(--border-strong);
  color: var(--muted);
  font-size: 0.95rem;
}

.pager {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
  gap: 1rem;
  padding-block: 0 3rem;
}

.pager a {
  display: block;
  padding: 1rem 1.15rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
}

.pager a:hover { border-color: var(--accent); }
.pager .next { text-align: right; }

.pager__title {
  display: block;
  margin-top: 0.15rem;
  color: var(--accent);
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 600;
}

/* ---------- loading and notices ---------- */

.loading { padding-block: 3rem; color: var(--muted); }

.notice { margin-block: 3rem; }

.notice--error {
  padding: 1.25rem 1.4rem;
  border: 1px solid var(--bad-fg);
  border-radius: var(--radius);
  background: var(--bad-bg);
}

.notice--error h1 { font-size: 1.6rem; }

/* Professional context is visually distinct from the fictional public implementations. */
.section--experience { background: var(--surface-sunk); }
.experience-grid { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(15rem, 1fr); gap: 1.25rem 2rem; margin-top: 1.5rem; align-items: start; }
.experience-role { margin-bottom: 0.8rem; font-size: 1rem; }
.experience-list { display: grid; gap: 0.85rem; padding: 0; margin: 1.25rem 0 0; list-style: none; }
.experience-list li { padding-left: 0.9rem; border-left: 3px solid var(--border-strong); }
.experience-list strong { display: block; font-size: 0.96rem; }
.experience-list span { display: block; color: var(--muted); font-size: 0.92rem; }
.scope-note { padding: 1.25rem; border: 1px solid var(--border-strong); border-radius: var(--radius); background: var(--surface); }
.scope-note h3 { font-size: 1.2rem; }
.scope-note p { margin: 0; font-size: 0.94rem; }
.card__connection { color: var(--muted); font-size: 0.88rem; line-height: 1.5; margin-bottom: 0.95rem; }
.card__connection strong { color: var(--text); }
.cs-context { max-width: 50rem; color: var(--muted); font-size: 0.98rem; }
.professional-bridge { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.professional-bridge > div { border: 1px solid var(--border); border-radius: var(--radius); padding: 1.1rem 1.2rem; background: var(--surface); }
.professional-bridge h3 { font-family: var(--sans); font-size: 0.84rem; text-transform: uppercase; letter-spacing: 0.07em; color: var(--muted); }
.professional-bridge p:last-child { margin-bottom: 0; }
@media (max-width: 43rem) { .experience-grid, .professional-bridge { grid-template-columns: 1fr; } }


/* Self-contained technical SVG illustrations; deliberately separate from employer imagery. */
.card__visual { margin: -1.4rem -1.4rem 1.2rem; overflow: hidden; border-radius: var(--radius) var(--radius) 0 0; border-bottom: 1px solid var(--border); background: var(--surface); }
.card__visual img, .technical-figure img { display: block; width: 100%; height: auto; }
.card__visual img { max-width: 34rem; margin-inline: auto; }
.visual-gallery { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1.2rem; margin-block: 1.2rem 1.5rem; }
.technical-figure { margin: 0; min-width: 0; overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.figure-title { margin: 0; padding: 0.95rem 1.05rem 0.2rem; font-weight: 700; line-height: 1.35; color: var(--text); }
.technical-figure figcaption { margin: 0; padding: 0.9rem 1.05rem 1.05rem; border-top: 1px solid var(--border); color: var(--muted); line-height: 1.52; font-size: 0.93rem; }
.figure-label { display: inline-block; margin-right: 0.45rem; font-size: 0.72rem; font-weight: 800; color: var(--accent); letter-spacing: 0.07em; white-space: nowrap; }
@media (prefers-reduced-motion: reduce) { .technical-figure img { transition: none; } }


/* ---------- Applied Thinking ---------- */
.thinking-preview { border-block: 1px solid var(--border); }
.thinking-preview__intro { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem 2rem; }
.thinking-preview__intro > div { flex: 1 1 32rem; }
.thinking-preview .section__lede { margin-bottom: 0; }
.thinking-anchors { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; margin: 1.6rem 0 0; padding: 0; list-style: none; }
.thinking-anchors a { display: flex; align-items: baseline; gap: 0.65rem; font-size: 0.95rem; font-weight: 600; }
.thinking-number { color: var(--accent); font: 600 0.85rem/1.4 var(--mono); letter-spacing: 0.04em; }
.thinking-hero { max-width: 58rem; }
.thinking-hero > p:not(.eyebrow) { max-width: 49rem; }
.thinking-tagline { color: var(--accent); font: 500 clamp(1.3rem, 1.1rem + 0.6vw, 1.7rem)/1.4 var(--serif); }
.thinking-page .cs-layout { align-items: start; }
.thinking-content { min-width: 0; }
.thinking-content section { scroll-margin-top: 1.5rem; }
.thinking-capabilities { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem 2rem; padding: 0; list-style: none; }
.thinking-capabilities li { padding-left: 1rem; border-left: 2px solid var(--accent); }
.thinking-capabilities h3 { font-size: 1.1rem; }
.thinking-capabilities p { margin-bottom: 0; font-size: 0.98rem; color: var(--muted); }
.thinking-foundations { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.75rem; }
.thinking-foundations > div { padding-top: 1rem; border-top: 3px solid var(--accent); }
.thinking-foundations > div + div { border-top-color: var(--border-strong); }
.thinking-foundations p { font-size: 0.98rem; }
.thinking-figure { margin-block: 1.5rem; }
.thinking-group { margin-top: 2rem; }
.thinking-group > h3 { padding-bottom: 1rem; border-bottom: 2px solid var(--border-strong); font-size: 1.05rem; font-family: var(--sans); }
.thinking-principle { padding-block: 1.25rem; border-bottom: 1px solid var(--border); scroll-margin-top: 1.5rem; }
.thinking-principle > .thinking-number { display: block; margin-bottom: 0.45rem; }
.thinking-question { font-weight: 600; }
.thinking-caveat { padding-left: 1rem; border-left: 2px solid var(--border-strong); font-size: 0.94rem; color: var(--muted); }
.thinking-principle summary { width: fit-content; padding-block: 0.5rem; color: var(--accent); cursor: pointer; font-size: 0.94rem; font-weight: 600; }
.thinking-detail { padding: 1rem 1rem 0.1rem; background: var(--surface-sunk); margin-top: 0.5rem; font-size: 0.95rem; }
.thinking-links { display: flex; flex-wrap: wrap; gap: 0.4rem 1.2rem; padding: 0; list-style: none; margin: 1rem 0 0; font-size: 0.88rem; }
.thinking-connections > article, .thinking-bridges > article { padding-block: 1.5rem; border-bottom: 1px solid var(--border); }
.thinking-connections > article:first-child, .thinking-bridges > article:first-child { padding-top: 0.5rem; }
.thinking-workflow { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem 2rem; padding-left: 1.6rem; }
.thinking-workflow li { padding-left: 0.2rem; }
.thinking-workflow li::marker { color: var(--accent); font-weight: 700; }
.thinking-workflow h3 { font: 600 1rem/1.4 var(--sans); }
.thinking-workflow p { font-size: 0.97rem; }
.thinking-boundary { padding: 1.2rem; border: 1px solid var(--border-strong); background: var(--surface-sunk); font-size: 0.96rem; }
.thinking-table { width: 100%; border-collapse: collapse; font-size: 0.94rem; margin: 1.5rem 0; table-layout: fixed; }
.thinking-table th, .thinking-table td { padding: 0.8rem; text-align: left; vertical-align: top; border-bottom: 1px solid var(--border); overflow-wrap: anywhere; }
.thinking-table thead { background: var(--surface-sunk); }
.nav [aria-current="page"] { color: var(--accent); text-decoration: underline; text-decoration-thickness: 2px; }
@media (max-width: 44rem) {
  .thinking-anchors { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .thinking-foundations { grid-template-columns: minmax(0, 1fr); gap: 1rem; }
}
@media (max-width: 30rem) {
  .thinking-capabilities, .thinking-workflow { grid-template-columns: minmax(0, 1fr); }
  .thinking-table th, .thinking-table td { padding: 0.65rem 0.35rem; }
}

/* Redesign phase 1: positioning hero, headline figures and decision-led stories. */
.hero--story h1 { max-width: 22ch; font-size: clamp(2.1rem, 1.5rem + 2.8vw, 3.5rem); text-wrap: balance; }
.hero__lede { max-width: 42rem; margin: 0 0 1.5rem; color: var(--muted); font-size: clamp(1.08rem, 1rem + 0.35vw, 1.25rem); line-height: 1.55; }
.hero__actions { margin-bottom: clamp(1.75rem, 4vw, 2.5rem); }
.showcase { margin: 0 0 1rem; }
.showcase__title { margin: 0 0 0.75rem; font: 600 clamp(1.25rem, 1.1rem + 0.6vw, 1.6rem)/1.25 var(--serif); text-wrap: balance; }
.showcase img { display: block; width: 100%; height: auto; border-radius: var(--radius); }
.showcase figcaption { margin-top: 0.65rem; color: var(--muted); font-size: 0.92rem; }
.showcase figcaption a { font-weight: 650; white-space: nowrap; }
@media (max-width: 49.99rem) { .showcase img { max-width: 30rem; margin-inline: auto; } .showcase figcaption, .showcase__title { max-width: 30rem; margin-inline: auto; } }

.story-head { max-width: 50rem; padding-block: 1.75rem 1.5rem; }
.story-head h1 { margin: 0.4rem 0 0.75rem; max-width: 20ch; text-wrap: balance; }
.story-head__lede { margin: 0 0 1.25rem; color: var(--muted); font-size: clamp(1.08rem, 1rem + 0.35vw, 1.25rem); line-height: 1.55; }
.story-facts { display: flex; flex-wrap: wrap; gap: 0.75rem 2rem; margin: 0 0 1.25rem; }
.story-facts dt { color: var(--muted); font-size: 0.75rem; font-weight: 750; letter-spacing: 0.07em; text-transform: uppercase; }
.story-facts dd { margin: 0.15rem 0 0; font-weight: 600; }
.story .showcase { margin-block: 0.5rem 2.5rem; }
.story-body { max-width: 47rem; }
.story-body > section { margin-bottom: 2.75rem; scroll-margin-top: 1rem; }
.story-body h2 { font-size: 1.6rem; }
.story-origin { margin-top: 1.25rem; padding: 1rem 1.15rem; border-left: 3px solid var(--accent); background: var(--surface-sunk); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.story-origin__label { margin: 0 0 0.35rem; color: var(--muted); font-size: 0.75rem; font-weight: 750; letter-spacing: 0.07em; text-transform: uppercase; }
.story-origin p:last-child { margin-bottom: 0; }
.decisions { display: grid; gap: 1.25rem; margin: 1.25rem 0 0; padding: 0; list-style: none; }
.decision { display: grid; gap: 1.25rem; padding: 1.35rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.decision__num { margin: 0 0 0.35rem; color: var(--accent); font: 700 0.85rem/1 var(--mono); letter-spacing: 0.05em; }
.decision h3 { margin-bottom: 0.5rem; }
.decision p { margin-bottom: 0.75rem; }
.decision__term { margin: 0; color: var(--muted); font-size: 0.9rem; }
.decision__visual img { display: block; width: 100%; max-width: 22rem; height: auto; margin-inline: auto; border-radius: var(--radius); border: 1px solid var(--border); }
@media (min-width: 52rem) {
  .story-body { max-width: 56rem; }
  .decision--visual { grid-template-columns: minmax(0, 1fr) 22rem; align-items: start; }
}
@media (max-width: 39.99rem) {
  .decision { padding: 1rem; }
  /* Tiles span the card edge to edge on phones so their labels stay legible. */
  .decision__visual { margin: 0 -1rem -1rem; }
  .decision__visual img { max-width: none; border: 0; border-top: 1px solid var(--border); border-radius: 0 0 var(--radius) var(--radius); }
}
.tech-notes { margin: 0 0 1.25rem; padding-left: 1.2rem; }
.tech-notes li { margin-bottom: 0.45rem; }
.story-disclosure { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--border); color: var(--muted); font-size: 0.9rem; }

/* Redesign phase 2: homepage sections. */
.how-tiles { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1.25rem; max-width: 58rem; margin: 1.75rem 0 0; padding: 0; list-style: none; }
@media (min-width: 40rem) { .how-tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.how-tile figure { margin: 0; height: 100%; display: flex; flex-direction: column; overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
.how-tile img { display: block; width: 100%; height: auto; }
.how-tile figcaption { margin-top: auto; padding: 0.85rem 1.1rem; border-top: 1px solid var(--border); font-weight: 650; }
.how-tile figcaption a { text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
.how-more { margin: 1.5rem 0 0; }
.card--work { gap: 0; }
.card__kicker { margin: 0 0 0.35rem; color: var(--accent); font-size: 0.78rem; font-weight: 750; letter-spacing: 0.07em; text-transform: uppercase; }
.card--work h3 { margin-bottom: 0.5rem; }
.card__outcome { margin: 0 0 1.25rem; color: var(--text); font-size: 1.05rem; line-height: 1.5; }
.card--work .actions { margin-top: auto; }
.experience-compact > *, .about-compact > :not(.tags) { max-width: 46rem; }
.about-compact .tags { max-width: 58rem; }
.experience-compact .section__lede { margin-bottom: 1.25rem; }
.about-compact h3 { margin-top: 1.5rem; font-size: 1.05rem; font-family: var(--sans); }
/* One content column for the tiles and the project cards. */
.how-i-work .how-tiles, #projects .cards { max-width: 58rem; }

/* ---------- Applied Thinking, Phase 4: principle tile cards ---------- */
.thinking-page .thinking-hero { margin-bottom: 1rem; }
.jump-links ul { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1.5rem 0 0; padding: 0; list-style: none; }
.jump-links a { display: inline-block; padding: 0.4rem 0.85rem; border: 1px solid var(--border-strong); border-radius: 999px; background: var(--surface); font-size: 0.9rem; font-weight: 600; text-decoration: none; }
.jump-links a:hover { border-color: var(--accent); text-decoration: underline; }
.thinking-content { max-width: 58rem; }
.thinking-section { margin-top: 3.5rem; scroll-margin-top: 1rem; }
.thinking-section > p, .thinking-section > ol, .thinking-section > .thinking-table, .thinking-section > .thinking-boundary { max-width: 47rem; }
.thinking-group { margin-top: 2.5rem; }
.thinking-group__intro { max-width: 46rem; }
.thinking-group__intro h3 { margin-bottom: 0.5rem; }
.thinking-group__intro p:not(.eyebrow) { color: var(--muted); font-size: 0.98rem; }
.principle-cards, .thinking-cards { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1.25rem; margin: 1.25rem 0 0; padding: 0; list-style: none; }
.principle-card { scroll-margin-top: 1rem; }
.principle-card article, .thinking-cards article { height: 100%; display: flex; flex-direction: column; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); overflow: hidden; }
.principle-card__visual img { display: block; width: 100%; height: auto; }
.principle-card__body { display: flex; flex-direction: column; flex: 1; padding: 1rem 1.2rem 1.2rem; border-top: 1px solid var(--border); }
.principle-card__body .thinking-number { margin: 0 0 0.25rem; }
.principle-card__body h4 { margin-bottom: 0.5rem; }
.principle-card__body .thinking-links { margin-top: auto; padding-top: 0.9rem; font-size: 0.92rem; font-weight: 600; }
.principle-card__body .note { margin: auto 0 0; padding-top: 0.9rem; }
.principle-card summary { width: fit-content; padding-block: 0.4rem; color: var(--accent); cursor: pointer; font-size: 0.94rem; font-weight: 600; }
.principle-card .thinking-detail p { margin-bottom: 0.8rem; }
.thinking-cards article { padding: 1.1rem 1.2rem; }
.thinking-cards h3 { font-size: 1.1rem; }
.thinking-cards p { font-size: 0.97rem; }
.thinking-cards .thinking-links { margin-top: auto; }
.thinking-shared { margin-top: 2rem; padding-left: 1rem; border-left: 2px solid var(--accent); }
@media (min-width: 44rem) {
  .principle-cards, .thinking-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ---------- How these were built ---------- */
.process > section { max-width: 52rem; margin-top: 3rem; scroll-margin-top: 1rem; }
.process > section > p, .process > section > ul { max-width: 46rem; }
.process-split { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1rem; margin-top: 1.25rem; }
.process-split__col { padding: 1.1rem 1.25rem; border: 1px solid var(--border); border-top: 4px solid var(--accent); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
.process-split__col--ai { border-top-color: var(--border-strong); background: var(--surface-sunk); box-shadow: none; }
.process-split__col h3 { margin-bottom: 0.6rem; font: 700 1rem/1.4 var(--sans); }
.process-split__col ul { margin: 0; padding-left: 1.15rem; }
.process-split__col li + li { margin-top: 0.4rem; }
.process-steps { counter-reset: step; margin: 1.25rem 0 0; padding: 0; list-style: none; }
.process-steps li { counter-increment: step; position: relative; padding: 0 0 1.25rem 3.1rem; }
.process-steps li::before { content: counter(step); position: absolute; left: 0; top: 0; display: grid; place-items: center; width: 2.1rem; height: 2.1rem; border-radius: 50%; background: var(--accent); color: var(--on-accent); font-weight: 700; font-size: 0.95rem; }
.process-steps li:not(:last-child)::after { content: ""; position: absolute; left: 1.03rem; top: 2.3rem; bottom: 0.2rem; width: 2px; background: var(--border-strong); }
.process-steps h3 { margin: 0.2rem 0 0.3rem; font: 600 1.05rem/1.4 var(--sans); }
.process-steps p { margin: 0; max-width: 44rem; }
@media (min-width: 44rem) { .process-split { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 39.99rem) {
  .jump-links ul { flex-direction: column; gap: 0.15rem; margin-top: 1.1rem; padding-left: 0.9rem; border-left: 2px solid var(--border-strong); }
  .jump-links a { padding: 0.2rem 0; border: 0; border-radius: 0; background: none; text-decoration: underline; text-underline-offset: 0.2em; }
}

/* Coursework table: narrow course column; stacked cards on phones */
.thinking-table thead th:first-child { width: 30%; }
@media (max-width: 39.99rem) {
  .thinking-table, .thinking-table tbody, .thinking-table tr, .thinking-table th, .thinking-table td { display: block; width: auto; }
  .thinking-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  .thinking-table tr { margin-bottom: 0.75rem; padding: 0.85rem 1rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
  .thinking-table th, .thinking-table td { padding: 0; border: 0; overflow-wrap: normal; }
  .thinking-table th[scope="row"] { margin-bottom: 0.35rem; font-weight: 700; }
}