:root {
  --surface-graphite: #111412;
  --surface-elevated: #171b18;
  --surface-raised: #1c211e;
  --surface-warm: #d3cbb8;
  --surface-accent: #8df7c1;
  --bg: var(--surface-graphite);
  --bg-elevated: var(--surface-elevated);
  --surface: var(--surface-raised);
  --bg-chapter: var(--surface-raised);
  --ink: #f2f4ef;
  --muted: #a7afa8;
  --quiet: #838c84;
  --line: #343b36;
  --line-strong: #4a554d;
  --control-border: #66716a;
  --accent: var(--surface-accent);
  --accent-ink: #0b2a1a;
  --warm: var(--surface-warm);
  --content-standard: 1200px;
  --content-wide: 1440px;
  --max-width: var(--content-standard);
  --gutter: clamp(1.25rem, 4vw, 4rem);
  --gutter-mobile: 1.25rem;
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4.5rem;
  --space-8: 7rem;
  --section-space: clamp(var(--space-7), 8vw, var(--space-8));
  --section-space-major: clamp(4rem, 6vw, 6rem);
  --section-space-compact: clamp(3rem, 4vw, 4.5rem);
  --section-space-detail: clamp(2.75rem, 4vw, 4.5rem);
  --content-gap: clamp(1.5rem, 3vw, 3rem);
  --heading-gap: clamp(1.75rem, 3vw, 3rem);
  --row-gap: clamp(1.5rem, 2.5vw, 2.5rem);
  --motion-fast: 160ms;
  --motion-medium: 300ms;
  --motion-reveal: 700ms;
  --motion-ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --font-sans:
    Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --type-display: clamp(2.75rem, 7vw, 7rem);
  --type-section: clamp(2rem, 4vw, 4.5rem);
  --type-subsection: clamp(1.5rem, 2.5vw, 2.4rem);
  --type-card: clamp(1.25rem, 2vw, 1.85rem);
  --type-body-large: clamp(1.08rem, 1.4vw, 1.25rem);
  --type-body: clamp(1rem, 1.1vw, 1.1rem);
  --type-secondary: 0.95rem;
  --type-caption: 0.82rem;
  --type-meta: clamp(0.76rem, 0.7vw, 0.84rem);
  --leading-display: 0.95;
  --leading-heading: 1.05;
  --leading-body: 1.65;
  --leading-tight: 1.3;
  --leading-meta: 1.45;
  --measure-prose: 65ch;
  --measure-compact: 56ch;
  --measure-wide: 48rem;
  --border-standard: 1px;
  --border-accent: 2px;
  --radius-standard: 0.5rem;
  --radius-feature: 0.75rem;
  --sans: var(--font-sans);
  --mono: var(--font-mono);
}
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--type-body);
  line-height: var(--leading-body);
  text-rendering: optimizeLegibility;
}
body.menu-open {
  overflow: hidden;
}
a {
  color: inherit;
  text-underline-offset: 0.25em;
}
button {
  color: inherit;
  font: inherit;
}
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}
.skip-link {
  position: fixed;
  z-index: 1000;
  top: 1rem;
  left: 1rem;
  padding: 0.75rem 1rem;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 750;
  transform: translateY(-180%);
}
.skip-link:focus {
  transform: translateY(0);
}
.section-shell,
.site-footer,
.header-inner {
  width: min(100%, var(--max-width));
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section-shell {
  padding-block: var(--section-space-major);
  border-top: var(--border-standard) solid var(--line);
  scroll-margin-top: 5.5rem;
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  border-bottom: var(--border-standard) solid var(--line);
  background: rgba(17, 20, 18, 0.96);
}
.header-inner {
  min-height: 4.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-weight: 750;
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.brand-mark {
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--control-border);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}
.primary-navigation,
.nav-utilities {
  display: flex;
  align-items: center;
  gap: clamp(0.8rem, 1.5vw, 1.5rem);
}
.primary-navigation a {
  position: relative;
  color: var(--muted);
  font-size: 0.94rem;
  text-decoration: none;
}
.primary-navigation a:hover,
.primary-navigation a:focus-visible,
.primary-navigation a[aria-current="location"] {
  color: var(--ink);
}
@media (min-width: 821px) {
  .primary-navigation a[aria-current="location"]::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: -0.55rem;
    left: 0;
    height: 2px;
    background: var(--accent);
  }
}
.nav-utilities {
  margin-left: 0.35rem;
  padding-left: 1.25rem;
  border-left: 1px solid var(--line);
}
.primary-navigation .nav-contact {
  padding: 0.55rem 0.85rem;
  border: 1px solid var(--control-border);
  color: var(--ink);
}
.menu-toggle {
  min-width: 4.75rem;
  min-height: 2.75rem;
  display: none;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  border: 1px solid var(--control-border);
  background: transparent;
  cursor: pointer;
}
.menu-icon {
  width: 1rem;
  display: grid;
  gap: 0.28rem;
}
.menu-icon i {
  display: block;
  height: 1px;
  background: currentColor;
  transition: transform 0.2s ease;
}

.hero {
  min-height: calc(100svh - 4.75rem);
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(18rem, 0.65fr);
  align-items: end;
  gap: clamp(2rem, 6vw, 6rem);
  padding-top: clamp(4.5rem, 9vw, 8rem);
  border-top: 0;
}
.hero .eyebrow {
  color: var(--accent);
}
.capabilities {
  border-top: 0;
}
.eyebrow,
.label,
.project-number,
.project-meta,
.trace-index,
.credential-level,
.role-period {
  margin: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: var(--type-meta);
  font-weight: 650;
  letter-spacing: 0.075em;
  line-height: var(--leading-meta);
  text-transform: uppercase;
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h1 {
  max-width: 13ch;
  margin-bottom: 2rem;
  font-size: var(--type-display);
  line-height: var(--leading-display);
  letter-spacing: -0.06em;
}
h2 {
  margin-bottom: 1rem;
  font-size: var(--type-section);
  line-height: var(--leading-heading);
  letter-spacing: -0.04em;
}
h3 {
  margin-bottom: 0.75rem;
  font-size: var(--type-card);
  line-height: var(--leading-heading);
  letter-spacing: -0.04em;
}
.hero .eyebrow {
  margin-bottom: 1.5rem;
}
.hero-intro {
  max-width: var(--measure-wide);
  margin-bottom: 2rem;
  color: #cbd1cb;
  font-size: var(--type-body-large);
  line-height: var(--leading-body);
}
.hero-actions,
.contact-actions,
.text-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.button {
  min-height: 3.15rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.1rem;
  border: var(--border-standard) solid var(--control-border);
  text-decoration: none;
  font-size: var(--type-secondary);
  font-weight: 700;
}
.button-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}
.button-secondary {
  color: var(--ink);
}
.button:hover {
  border-color: var(--accent);
}
.current-role {
  padding: 1.5rem;
  border-top: var(--border-accent) solid var(--accent);
  background: var(--bg-elevated);
}
.current-role .label {
  margin-bottom: 1.75rem;
}
.current-role h2 {
  font-size: 1.5rem;
  line-height: 1.2;
  letter-spacing: -0.035em;
}
.role-facts {
  margin: 2rem 0 0;
}
.role-facts div {
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
}
.role-facts dt {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.86rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.role-facts dd {
  margin: 0.25rem 0 0;
  font-size: 0.98rem;
}

.section-heading {
  position: relative;
  max-width: var(--measure-wide);
  margin-bottom: var(--heading-gap);
}
.section-heading::after {
  content: "";
  display: block;
  width: min(12rem, 35%);
  height: 1px;
  margin-top: var(--content-gap);
  background: var(--control-border);
  transform: scaleX(1);
  transform-origin: left;
}
#projects .section-heading::after {
  background: var(--accent);
}
@media (min-width: 1101px) {
  .capabilities,
  .projects,
  .experience,
  .credentials {
    display: grid;
    grid-template-columns: minmax(13rem, 0.62fr) minmax(0, 1.38fr);
    column-gap: clamp(3rem, 7vw, 7rem);
    align-items: start;
  }
  .capabilities > .section-heading,
  .projects > .section-heading,
  .experience > .section-heading,
  .credentials > .section-heading {
    position: sticky;
    top: 7rem;
    grid-column: 1;
    grid-row: 1;
    align-self: start;
    max-height: calc(100vh - 9rem);
  }
  .capabilities > .section-heading.heading-row,
  .projects > .section-heading.heading-row,
  .experience > .section-heading.heading-row,
  .credentials > .section-heading.heading-row {
    display: block;
  }
  .capabilities > .section-heading.heading-row > p,
  .projects > .section-heading.heading-row > p,
  .experience > .section-heading.heading-row > p,
  .credentials > .section-heading.heading-row > p {
    max-width: 30ch;
    margin-top: var(--content-gap);
    margin-bottom: 0;
  }
  .capabilities > .capability-trace,
  .projects > .project-list,
  .projects > .projects-cta,
  .experience > .experience-list,
  .credentials > .credential-featured,
  .credentials > .learning-shelf,
  .credentials > .credentials-cta {
    grid-column: 2;
  }
  .capabilities > .capability-trace,
  .projects > .project-list,
  .experience > .experience-list,
  .credentials > .credential-featured {
    grid-row: 1;
  }
  .projects > .projects-cta,
  .credentials > .learning-shelf { grid-row: 2; }
  .projects > .projects-cta { grid-row: 2; }
  .credentials > .credentials-cta {
    grid-row: 3;
  }
  .capabilities > .section-heading::before,
  .projects > .section-heading::before,
  .experience > .section-heading::before,
  .credentials > .section-heading::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: calc(var(--space-4) * -1);
    width: 2px;
    background: var(--line);
    transform: scaleY(0.22);
    transform-origin: top;
    transition: background-color var(--motion-medium) var(--motion-ease), transform var(--motion-reveal) var(--motion-ease);
  }
  .chapter-active > .section-heading::before {
    background: var(--accent);
    transform: scaleY(1);
  }
  .projects > .section-heading::before {
    background: var(--accent);
    transform: scaleY(1);
  }
  .credentials > .credential-featured {
    display: block;
  }
  .credentials > .credential-featured .credential-section {
    margin-top: var(--section-space-compact);
  }
  .credentials > .credential-featured .credential-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
  }
  .credentials > .credential-featured .credential-badge-card {
    height: 100%;
  }
}
.js-motion .section-heading,
.js-motion .journey-intro {
  opacity: 1;
  transform: none;
}
.js-motion .section-heading .eyebrow,
.js-motion .section-heading h2,
.js-motion .section-heading > p,
.js-motion .journey-intro .eyebrow,
.js-motion .journey-intro h2,
.js-motion .journey-intro > p {
  opacity: 0;
  transform: none;
  transition: opacity var(--motion-reveal) var(--motion-ease);
}
.js-motion .section-heading .eyebrow,
.js-motion .journey-intro .eyebrow { transition-delay: 0ms; }
.js-motion .section-heading h2,
.js-motion .journey-intro h2 { transition-delay: 70ms; }
.js-motion .section-heading > p,
.js-motion .journey-intro > p { transition-delay: 140ms; }
.js-motion .section-heading.is-revealed .eyebrow,
.js-motion .section-heading.is-revealed h2,
.js-motion .section-heading.is-revealed > p,
.js-motion .journey-intro.is-revealed .eyebrow,
.js-motion .journey-intro.is-revealed h2,
.js-motion .journey-intro.is-revealed > p {
  opacity: 1;
  transform: none;
}
.js-motion .section-heading::after {
  transform: scaleX(0);
  transition: transform var(--motion-reveal) var(--motion-ease);
  transition-delay: 90ms;
}
.js-motion .section-heading.is-revealed::after {
  transform: scaleX(1);
}
.js-motion .project-section > .archive-section-eyebrow,
.js-motion .project-section > h2 {
  opacity: 0;
  transform: none;
  transition: opacity var(--motion-reveal) var(--motion-ease);
}
.js-motion .project-section > h2 { transition-delay: 70ms; }
.js-motion .project-section.is-revealed > .archive-section-eyebrow,
.js-motion .project-section.is-revealed > h2 {
  opacity: 1;
  transform: none;
}
.js-motion .project-section::before {
  content: "";
  display: block;
  width: min(10rem, 30%);
  height: 1px;
  margin-bottom: var(--heading-gap);
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--motion-reveal) var(--motion-ease);
}
.js-motion .project-section.is-revealed::before {
  transform: scaleX(1);
}
.section-heading .eyebrow,
.journey-intro .eyebrow,
.about .eyebrow,
.contact .eyebrow {
  margin-bottom: 1.25rem;
}
.section-heading > p,
.heading-row > p,
.journey-intro > p,
.about-copy,
.project-summary,
.role-detail {
  color: var(--muted);
}
.heading-row {
  max-width: none;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(18rem, 0.55fr);
  align-items: end;
  gap: 4rem;
}
.heading-row > p {
  max-width: 32rem;
  margin-bottom: 0.5rem;
}
.capability-trace {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}
.capability-trace::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 3.25rem;
  width: 1px;
  background: var(--line);
}
.js-motion .capability-trace::before {
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--motion-reveal) var(--motion-ease);
}
.js-motion .capability-trace.is-revealed::before {
  transform: scaleY(1);
}
.capability-trace li {
  position: relative;
  display: grid;
  grid-template-columns: 6.5rem minmax(0, 1fr);
  gap: clamp(1.5rem, 5vw, 5rem);
  padding: var(--row-gap) 0;
  border-top: 1px solid var(--line);
}
.capability-trace li::before {
  content: "";
  position: absolute;
  top: 2.65rem;
  left: 2.98rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0.35rem var(--bg);
}
.js-motion .capability-trace li::before {
  background: var(--line-strong);
  transform: scale(0.78);
  transition: background-color var(--motion-medium) var(--motion-ease), transform var(--motion-medium) var(--motion-ease);
}
.js-motion .capability-trace.is-revealed li::before {
  background: var(--accent);
  transform: scale(1);
}
.js-motion .capability-trace.is-revealed li:nth-child(1)::before { transition-delay: 120ms; }
.js-motion .capability-trace.is-revealed li:nth-child(2)::before { transition-delay: 260ms; }
.js-motion .capability-trace.is-revealed li:nth-child(3)::before { transition-delay: 400ms; }
.capability-trace .trace-index,
.capability-trace li > div {
  transition: color var(--motion-medium) var(--motion-ease), opacity var(--motion-medium) var(--motion-ease);
}
.js-motion .capability-trace li .trace-index,
.js-motion .capability-trace li > div {
  opacity: 0.78;
}
.js-motion .capability-trace.is-revealed li:nth-child(1) .trace-index,
.js-motion .capability-trace.is-revealed li:nth-child(1) > div { transition-delay: 120ms; }
.js-motion .capability-trace.is-revealed li:nth-child(2) .trace-index,
.js-motion .capability-trace.is-revealed li:nth-child(2) > div { transition-delay: 260ms; }
.js-motion .capability-trace.is-revealed li:nth-child(3) .trace-index,
.js-motion .capability-trace.is-revealed li:nth-child(3) > div { transition-delay: 400ms; }
.js-motion .capability-trace.is-revealed li .trace-index,
.js-motion .capability-trace.is-revealed li > div { opacity: 1; }
@media (hover: hover) {
  .capability-trace:has(li:hover) li:not(:hover),
  .capability-trace:has(li:focus-within) li:not(:focus-within) {
    opacity: 0.72;
  }
  .capability-trace li:hover .trace-index,
  .capability-trace li:focus-within .trace-index {
    color: var(--accent);
  }
}
.capability-trace h3 {
  margin-bottom: 0.55rem;
}
.capability-trace p {
  max-width: 52rem;
  margin-bottom: 0;
  color: var(--muted);
}

#projects {
  width: 100%;
  max-width: none;
  padding-inline: max(
    var(--gutter),
    calc((100vw - var(--max-width)) / 2 + var(--gutter))
  );
  background: var(--bg-chapter);
  border-top: 0;
}
.project-list {
  border-bottom: 1px solid var(--line);
}
.project {
  position: relative;
  padding: var(--row-gap) 0;
  border-top: 1px solid var(--line);
  transition: border-top-color var(--motion-medium) var(--motion-ease), opacity var(--motion-medium) var(--motion-ease);
}
.project-featured {
  border-top-color: var(--accent);
}
.project-body h3 {
  transition: color var(--motion-medium) var(--motion-ease), transform var(--motion-medium) var(--motion-ease);
}
@media (hover: hover) {
  .project-list:has(.project:hover) .project:not(:hover),
  .project-list:has(.project:focus-within) .project:not(:focus-within) {
    opacity: 0.8;
  }
  .project:hover .project-body h3,
  .project:focus-within .project-body h3 {
    color: var(--accent);
    transform: translateX(0.3rem);
  }
  .project:hover,
  .project:focus-within {
    border-top-color: var(--accent);
  }
  .project:hover .project-meta,
  .project:focus-within .project-meta,
  .project:hover .project-contribution,
  .project:focus-within .project-contribution {
    color: var(--ink);
  }
  .project:hover .project-inline-cta a,
  .project:focus-within .project-inline-cta a,
  .project:hover .project-note-link a,
  .project:focus-within .project-note-link a {
    text-decoration: underline;
    text-decoration-color: var(--accent);
    text-underline-offset: 0.25em;
  }
}
.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1.5rem;
  margin-bottom: 1.75rem;
  color: var(--muted);
}
.project-featured .project-meta span:first-child {
  color: var(--accent);
}
.project-body {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(22rem, 1.1fr);
  gap: clamp(3rem, 8vw, 8rem);
}
/* Editorial side-thumbnail for academic projects with a real preview asset.
   Decorative (aria-hidden, tabindex="-1") — "View case study" is the real
   link. Floated inside .project-summary (the wider grid column) rather than
   reserving space against the whole row, which is too narrow at this
   layout's asymmetric two-column width to also carve out a fixed inset. */
.project-preview {
  display: none;
}
@media (min-width: 640px) {
  .project-has-preview .project-preview {
    display: block;
    float: right;
    width: 8rem;
    aspect-ratio: 4 / 3;
    margin: 0 0 0.75rem 1.25rem;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 0.5rem;
    background: var(--bg-elevated);
    transition: border-color var(--motion-medium) var(--motion-ease);
  }
  .project-has-preview .project-preview img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .project-has-preview:hover .project-preview,
  .project-has-preview:focus-within .project-preview {
    border-color: var(--accent);
  }
}
.project-number {
  margin-bottom: 0.7rem;
}
.project-summary > p {
  max-width: var(--measure-wide);
  font-size: var(--type-body-large);
  line-height: var(--leading-body);
}
.project-problem {
  margin-bottom: 1rem;
  color: #d8ddd8;
}
.project-contribution {
  margin-bottom: 0;
}
.project-contribution span,
.role-detail span {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.86rem;
  font-weight: 650;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}
.tag-list li {
  padding: 0.4rem 0.65rem;
  border: 1px solid var(--line);
  color: #c7cec8;
  font-family: var(--mono);
  font-size: 0.86rem;
}
.project-note {
  max-width: 54rem;
  margin: var(--content-gap) 0 0 auto;
  padding: 0.1rem 0 0.1rem 1rem;
  border-left: 2px solid var(--accent);
  color: var(--muted);
  font-size: 0.96rem;
}
.project-note span {
  margin-right: 0.45rem;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.experience {
  border-top: 0;
}
.experience-list {
  border-bottom: 1px solid var(--line);
}
.role {
  display: grid;
  grid-template-columns: minmax(6rem, 7rem) minmax(10rem, 0.85fr) minmax(12rem, 1.15fr);
  gap: clamp(1rem, 2.5vw, 2.5rem);
  padding: var(--row-gap) 0;
  border-top: 1px solid var(--line);
}
.role > * {
  min-width: 0;
}
.role-title h3 {
  margin-bottom: 0.25rem;
  font-size: var(--type-card);
}
.role-title p,
.role-detail p {
  margin-bottom: 0;
}
.role-title p {
  color: var(--muted);
  font-size: 1rem;
}
.role-detail {
  display: grid;
  gap: var(--space-3);
  font-size: var(--type-secondary);
}
.cross-cutting {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 2rem;
  margin-top: 2rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.86rem;
  letter-spacing: 0.035em;
  text-transform: uppercase;
}

/* Full-bleed, matching the .credentials / #projects chapter-surface pattern:
   the warm background spans the viewport while content stays on the shared
   column grid via the same calc-based inset. */
.journey {
  width: 100%;
  max-width: none;
  padding-inline: max(
    var(--gutter),
    calc((100vw - var(--max-width)) / 2 + var(--gutter))
  );
  background: var(--warm);
  color: #171916;
  padding-block: var(--section-space-major);
  border-top: 0;
  scroll-margin-top: 5.5rem;
}
.journey .eyebrow,
.journey .label,
.journey-section-title {
  color: #255c42;
}
.journey-intro {
  max-width: var(--measure-wide);
  margin-bottom: var(--content-gap);
}
.journey-intro > p {
  color: #51564f;
}
@media (min-width: 1101px) {
  .journey {
    display: grid;
    grid-template-columns: minmax(13rem, 0.62fr) minmax(0, 1.38fr);
    column-gap: clamp(3rem, 7vw, 7rem);
    align-items: start;
  }
  .journey-intro {
    position: sticky;
    top: 7rem;
    grid-column: 1;
    grid-row: 1;
    align-self: start;
    max-height: calc(100vh - 9rem);
    margin-bottom: 0;
    padding-left: var(--space-4);
    border-left: 2px solid #c7c1b5;
  }
  .journey-section {
    grid-column: 2;
    margin-top: 0;
  }
  .journey-section:nth-of-type(2) { grid-row: 1; }
  .journey-section:nth-of-type(3) { grid-row: 2; }
  .journey-section:nth-of-type(4) { grid-row: 3; }
}
.js-motion .journey-section {
  opacity: 0;
  clip-path: inset(0 0 10% 0);
  transition: opacity var(--motion-reveal) var(--motion-ease), clip-path var(--motion-reveal) var(--motion-ease);
}
.js-motion .journey-section.is-revealed {
  opacity: 1;
  clip-path: inset(0);
}
.journey-section::before {
  content: "";
  display: block;
  width: 3rem;
  height: 2px;
  margin-bottom: var(--space-4);
  background: #c7c1b5;
  transform-origin: left;
  transition: width var(--motion-reveal) var(--motion-ease), background-color var(--motion-medium) var(--motion-ease);
}
.journey-section.is-revealed::before {
  width: 8rem;
  background: #2b684b;
}
.journey-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 0.9fr;
  gap: 1rem;
}
.journey-item {
  min-height: 0;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  background: #ece7dc;
}
.journey-item p {
  color: #444a43;
  font-size: 1rem;
}
.journey-item .label {
  margin-bottom: 1.5rem;
}
.journey-item h3 {
  margin-bottom: 0.5rem;
}
.journey-item hr {
  margin: 2rem 0;
  border: 0;
  border-top: 1px solid #c7c1b5;
}
.f1-story { display: grid; gap: clamp(1.5rem, 3vw, 2.75rem); }
.f1-media { min-width: 0; margin: 0; }
.f1-media {
  transition: transform var(--motion-medium) var(--motion-ease), filter var(--motion-medium) var(--motion-ease);
}
.f1-media img,
.f1-media video { display: block; width: 100%; background: #ddd6c6; object-fit: contain; }
.f1-media--hero { max-width: 58rem; margin-inline: auto; }
.f1-media--hero img { max-height: min(70vh, 680px); }
.f1-media--wide img { max-height: min(55vh, 480px); }
.f1-media-grid,
.f1-video-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(1rem, 2vw, 1.5rem); }
.f1-media-grid .f1-media img { height: clamp(220px, 28vw, 380px); }
.f1-video video { height: clamp(220px, 28vw, 380px); }
.js-motion .f1-media,
.js-motion .recognition-card {
  opacity: 0;
  transform: none;
  transition: opacity var(--motion-reveal) var(--motion-ease);
}
.js-motion .f1-media.is-revealed,
.js-motion .recognition-card.is-revealed {
  opacity: 1;
  transform: none;
}
.js-motion .f1-media img {
  transform: scale(1.01);
  transition: transform var(--motion-reveal) var(--motion-ease);
}
.js-motion .f1-media.is-revealed img { transform: scale(1); }
.js-motion .f1-media figcaption {
  opacity: 0;
  transform: none;
  transition: opacity var(--motion-medium) var(--motion-ease);
  transition-delay: 120ms;
}
.js-motion .f1-media.is-revealed figcaption {
  opacity: 1;
  transform: none;
}
.js-motion .journey .f1-media,
.js-motion .journey .recognition-card {
  opacity: 1;
  transform: none;
  transition: none;
}
.js-motion .journey .f1-media img {
  clip-path: inset(0 100% 0 0);
  transform: none;
  transition: clip-path 900ms var(--motion-ease);
}
.js-motion .journey .f1-media.is-revealed img {
  clip-path: inset(0);
}
.js-motion .journey .f1-media figcaption {
  opacity: 0;
  transform: none;
  transition: opacity 500ms var(--motion-ease);
  transition-delay: 220ms;
}
.js-motion .journey .f1-media.is-revealed figcaption {
  opacity: 1;
}
.f1-media figcaption { margin-top: 0.65rem; color: #4e5349; font-size: var(--type-caption); line-height: var(--leading-tight); }
@media (hover: hover) {
  .f1-media:hover,
  .f1-media:focus-within {
    transform: translateY(-2px);
  }
  .f1-media:hover figcaption,
  .f1-media:focus-within figcaption {
    color: #2b684b;
  }
  .journey .recognition-card:hover,
  .journey .recognition-card:focus-within {
    transform: translateY(-2px);
    border-color: #2b684b;
  }
}
.f1-story-intro { max-width: 58rem; }
.f1-story-intro .label { margin-bottom: 0.75rem; }
.f1-story-intro h3 { margin-bottom: 0.6rem; color: #171916; font-size: clamp(1.6rem, 3vw, 2.4rem); }
.f1-story-intro p:last-child { max-width: var(--measure-prose); margin: 0; color: #444a43; font-size: var(--type-body); line-height: var(--leading-body); }
.journey-f1 {
  background-image: linear-gradient(
    135deg,
    transparent 70%,
    rgba(43, 104, 75, 0.08)
  );
}

.journey-section {
  margin-top: clamp(2rem, 4vw, 3rem);
  padding-top: clamp(1.5rem, 3vw, 2.5rem);
  border-top: 1px solid #c7c1b5;
}
.journey-section-title {
  margin: 0 0 1rem;
  font-family: var(--mono);
  font-size: 0.86rem;
  font-weight: 650;
  letter-spacing: 0.075em;
  text-transform: uppercase;
}

.education-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.education-entry {
  padding: 0;
  background: #ece7dc;
  border: 1px solid transparent;
}
.education-entry[open] {
  border-color: #c7c1b5;
}
.education-entry summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  cursor: pointer;
  list-style: none;
}
.education-entry summary::-webkit-details-marker {
  display: none;
}
.education-summary-text h3 {
  margin-bottom: 0.35rem;
}
.education-summary-text p {
  margin: 0;
  color: #51564f;
  font-size: 0.95rem;
}
.education-chevron {
  flex: none;
  margin-top: 0.3rem;
  color: #2b684b;
  transition: transform var(--motion-fast) var(--motion-ease);
}
.education-entry[open] .education-chevron {
  transform: rotate(180deg);
}
.education-body {
  padding: 0 clamp(1.5rem, 3vw, 2.25rem) clamp(1.5rem, 3vw, 2.25rem);
  transition: opacity var(--motion-fast) var(--motion-ease);
}
.education-entry:not([open]) .education-body {
  opacity: 0;
}
.education-entry[open] .education-body {
  opacity: 1;
}
.education-body p {
  margin: 0 0 0.75rem;
  color: #444a43;
  font-size: 0.95rem;
}
.education-related-title {
  margin: 1rem 0 0.5rem;
  color: #2b684b;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.education-related-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.education-related-list a {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.4rem 0.7rem;
  border: 1px solid #c7c1b5;
  color: #2b684b;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
}
.education-related-list a:hover,
.education-related-list a:focus-visible {
  border-color: #2b684b;
  text-decoration: underline;
}

.journey .recognition-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}
.leadership-progression { display: grid; grid-template-columns: minmax(12rem, 0.7fr) minmax(0, 1.3fr); gap: 2rem; margin-bottom: 1.5rem; padding: 1.25rem 0 1.5rem; border-bottom: 1px solid #c7c1b5; }
.leadership-label { margin: 0 0 0.45rem; color: #2b684b; font-family: var(--mono); font-size: 0.78rem; font-weight: 650; letter-spacing: 0.05em; text-transform: uppercase; }
.leadership-progression h3 { margin: 0; color: #171916; font-size: 1.25rem; }
.leadership-summary { margin: 0; color: #51564f; font-size: 0.95rem; line-height: 1.6; }
.leadership-timeline { display: flex; flex-wrap: wrap; gap: 1rem 2rem; margin: 1rem 0 0; }
.leadership-timeline div { display: flex; gap: 0.5rem; align-items: baseline; }
.leadership-timeline dt { color: #2b684b; font-family: var(--mono); font-size: 0.78rem; text-transform: uppercase; }
.leadership-timeline dd { margin: 0; color: #51564f; font-size: 0.9rem; }
.journey .recognition-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 1rem;
  background: #ece7dc;
  border-color: #c7c1b5;
  color: #171916;
}
.journey .recognition-title {
  color: #171916;
}
.journey .recognition-meta,
.journey .recognition-context {
  color: #51564f;
}
.journey .recognition-caption {
  color: #4e5349;
}
.journey .recognition-image {
  width: 100%;
  height: clamp(220px, 22vw, 340px);
  aspect-ratio: auto;
  object-fit: contain;
  background: #ddd6c6;
  border-color: #c7c1b5;
}
.journey .recognition-verify {
  color: #51564f;
  opacity: 1;
  transform: none;
}
.journey .recognition-verify:hover,
.journey .recognition-verify:focus-visible {
  color: #2b684b;
}
.journey .recognition-verify[data-missing-url] {
  display: none;
}

.project-crosslink {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  padding-block: clamp(2rem, 4vw, 3rem);
}
.project-crosslink-prev,
.project-crosslink-next {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  max-width: 24rem;
  color: var(--ink);
  font-weight: 650;
  text-decoration: none;
}
.project-crosslink-next {
  margin-left: auto;
  text-align: right;
  align-items: flex-end;
}
.project-crosslink-prev span:not([aria-hidden]),
.project-crosslink-next span:not([aria-hidden]) {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.project-crosslink-prev:hover,
.project-crosslink-prev:focus-visible,
.project-crosslink-next:hover,
.project-crosslink-next:focus-visible {
  color: var(--accent);
}
.project-crosslink-all {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
}
.project-crosslink-all:hover,
.project-crosslink-all:focus-visible {
  color: var(--accent);
}
.project-note-link {
  margin: 0.75rem 0 0 auto;
  max-width: 54rem;
  text-align: right;
}
.project-note-link a {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
}
.project-note-link a:hover,
.project-note-link a:focus-visible {
  color: var(--accent);
  text-decoration: underline;
}
.project-index-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.4rem;
}
.project-index-action {
  color: var(--ink) !important;
  font-size: 0.95rem !important;
  font-weight: 700 !important;
}
.project-evidence {
  color: var(--quiet);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.projects-cta {
  margin-top: 1.5rem;
}
.projects-cta .button {
  min-height: 2.75rem;
}
.projects-cta .button:hover,
.projects-cta .button:focus-visible {
  background: var(--bg-elevated);
  border-color: var(--accent);
  color: var(--accent);
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.project-inline-cta {
  color: var(--ink) !important;
  font-size: 0.95rem !important;
  font-weight: 700 !important;
}
.project-related {
  display: block;
  margin-top: 0.5rem;
  color: var(--muted);
  font-size: 0.85rem;
}
.project-related a {
  font-size: inherit;
  font-weight: 600;
}

/* Credentials sits on the chapter surface (--bg-chapter), the same alternate
   graphite tone used for Featured Work — its own identity comes from the
   Journey->Credentials surface shift itself, not a decorative border. */
.credentials {
  width: 100%;
  max-width: none;
  padding-inline: max(
    var(--gutter),
    calc((100vw - var(--max-width)) / 2 + var(--gutter))
  );
  background: var(--bg-chapter);
  border-top: 0;
}

.project-index-group {
  padding-block: clamp(3rem, 3.5vw, 4rem);
}
.project-index-group + .project-index-group {
  padding-top: var(--space-5);
  border-top: 0;
}
.project-index-group--academic {
  width: 100%;
  max-width: none;
  padding-inline: max(
    var(--gutter),
    calc((100vw - var(--max-width)) / 2 + var(--gutter))
  );
  background: var(--bg-chapter);
}
.project-index-group--academic .section-heading {
  padding-top: var(--space-4);
}

.credential-featured {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(16rem, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  padding-bottom: var(--content-gap);
  border-bottom: 1px solid var(--line);
}

.credential-progression {
  position: relative;
}
.progression-title {
  margin: 0 0 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--mono);
}
.progression-track {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 0;
}
.progression-connector {
  position: absolute;
  top: 3.25rem;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--line);
  z-index: 0;
}
.js-motion .progression-connector {
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.1s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.js-motion .credential-progression.is-revealed .progression-connector {
  transform: scaleX(1);
}
.progression-steps {
  display: flex;
  align-items: stretch;
  width: 100%;
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  z-index: 1;
}
.progression-step {
  position: relative;
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  min-width: 0;
}
.progression-arrow {
  position: relative;
  flex: 0 0 clamp(1.5rem, 4vw, 3rem);
}
.progression-arrow-glyph {
  position: absolute;
  top: 3.25rem;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 1.1rem;
  line-height: 1;
}
.progression-step-badge {
  position: relative;
  width: 6.5rem;
  height: 6.5rem;
  margin-bottom: 1rem;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 2px solid var(--line-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition:
    border-color 0.2s ease,
    transform 0.2s ease,
    box-shadow 0.2s ease;
}
.progression-step:hover .progression-step-badge,
.progression-step:focus-within .progression-step-badge {
  border-color: var(--accent);
  transform: scale(1.05);
  box-shadow: 0 0 0 4px rgba(141, 247, 193, 0.15);
}
.progression-step-badge img {
  width: 4.5rem;
  height: 4.5rem;
  object-fit: contain;
}
/* The Professional shield artwork is squarer than the other (round) badges, so
   at the same box size its top corners reach the circular frame's edge. Render
   it slightly smaller and biased down so all four edges clear the circle. */
.progression-step-badge img[src*="claude-architect-professional"] {
  width: 3.85rem;
  height: 3.85rem;
  object-position: 50% 95%;
}
.archive-badge[src*="claude-architect-professional"] {
  padding: 0.35rem;
  object-position: 50% 95%;
}
.progression-step-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 0;
  width: 100%;
}
.progression-step-level {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
/* text-wrap: balance keeps a lone trailing word/numeral (e.g. "Scrum Master I")
   from wrapping onto its own line — applied to every card/row heading site-wide
   so short titles never widow, regardless of which component renders them. */
.progression-step-title,
.credential-badge-info h3,
.archive-item-body h3,
.archive-child h4,
.archive-crossref-title,
.archive-timeline-item h3 {
  text-wrap: balance;
}
.progression-step-title {
  min-height: 3.75rem;
  margin: 0 0 0.25rem;
  font-size: 0.95rem;
  line-height: 1.3;
  font-weight: 600;
}
.progression-step-meta {
  margin: 0 0 0.75rem;
  color: var(--muted);
  font-size: 0.82rem;
  white-space: nowrap;
}
.progression-step-verify {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.35rem 0.6rem;
  color: var(--quiet);
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(0.2rem);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease,
    color 0.2s ease;
}
.progression-step:hover .progression-step-verify,
.progression-step:focus-within .progression-step-verify {
  opacity: 1;
  transform: translateY(0);
  color: var(--accent);
}
.progression-step-verify:hover,
.progression-step-verify:focus-visible {
  color: var(--accent);
  text-decoration: underline;
}

/* .credential-featured stretches both columns to equal height (matching the
   taller Claude progression column). Without this, the two Product & Delivery
   cards sit pinned to the top of that extra height, reading as "too high."
   Pin the title, then centre the card group in the remaining space. */
.credential-section {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.credential-section-title {
  margin: 0 0 1rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--mono);
}
.credential-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  margin-top: auto;
  margin-bottom: auto;
  padding: 0;
  list-style: none;
}
.credential-badge-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.5rem 5.5rem 1.5rem 1.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  overflow: hidden;
  transition:
    border-color 0.2s ease,
    transform 0.2s ease,
    box-shadow 0.2s ease;
}
.credential-badge-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.3s ease;
}
@media (hover: hover) {
  .credential-badge-card:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  }
  .credential-badge-card:hover img {
    transform: scale(1.04);
  }
}
.credential-badge-card:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(141, 247, 193, 0.15);
}
.credential-badge-card:hover::before,
.credential-badge-card:focus-within::before {
  transform: scaleY(0);
}
.credential-badge-card img {
  flex: none;
  width: 4.5rem;
  height: 4.5rem;
  border-radius: 50%;
  object-fit: contain;
  background: var(--bg);
  border: 2px solid var(--line-strong);
  transition: transform 0.25s ease;
}
.credential-badge-info {
  flex: 1;
  min-width: 0;
}
.credential-badge-info h3 {
  margin: 0 0 0.3rem;
  font-size: 1rem;
  font-weight: 600;
}
.credential-badge-info p {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
}
/* Absolutely positioned (not a flex child of .credential-badge-info) so the
   hover-only reveal never reserves layout space — that reserved space was
   what pulled the visible title/meta text off-centre from the badge. */
.credential-badge-verify {
  position: absolute;
  top: 50%;
  right: 1.5rem;
  transform: translateY(-50%) translateX(0.3rem);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.35rem 0.6rem;
  color: var(--quiet);
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  text-transform: uppercase;
  opacity: 0;
  transition:
    opacity 0.2s ease,
    transform 0.2s ease,
    color 0.2s ease;
}
.credential-badge-card:hover .credential-badge-verify,
.credential-badge-card:focus-within .credential-badge-verify {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
  color: var(--accent);
}
.credential-badge-verify:hover,
.credential-badge-verify:focus-visible {
  color: var(--accent);
  text-decoration: underline;
}

.learning-shelf {
  margin-top: var(--content-gap);
}
.credentials-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-top: var(--content-gap);
  padding-top: var(--content-gap);
  border-top: 1px solid var(--line);
}
.credentials-cta p {
  margin: 0;
  max-width: 34rem;
  color: var(--muted);
  font-size: 0.95rem;
}
.credentials-cta .button {
  flex: none;
}
.learning-shelf-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.75rem;
  flex-wrap: wrap;
  gap: 1rem;
}
.learning-shelf .label {
  margin: 0;
}
.learning-archive-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.85rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  transition:
    color 0.2s ease,
    border-color 0.2s ease;
}
.learning-archive-toggle:hover,
.learning-archive-toggle:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
}

/* Engineering Trace learning timeline: a continuous node-and-line rail rather
   than generic cards. Desktop gets a seamless CSS-driven auto-scroll (content
   duplicated once, aria-hidden, for the loop); mobile and reduced-motion get a
   single canonical set in a plain manually-scrollable strip. */
.learning-trace {
  position: relative;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(
    90deg,
    transparent,
    #000 3%,
    #000 97%,
    transparent
  );
  mask-image: linear-gradient(
    90deg,
    transparent,
    #000 3%,
    #000 97%,
    transparent
  );
}
.learning-trace.is-manual {
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  -webkit-mask-image: none;
  mask-image: none;
}
.learning-trace.is-manual::-webkit-scrollbar {
  display: none;
}
.learning-trace:focus-visible {
  outline-offset: 6px;
}
.trace-track {
  display: flex;
  width: max-content;
  padding-block: 1.25rem 0.5rem;
}
.trace-track.is-animated {
  animation: trace-scroll 42s linear infinite;
}
.learning-trace:hover .trace-track.is-animated,
.learning-trace:focus-within .trace-track.is-animated,
.trace-track.is-animated.is-paused {
  animation-play-state: paused;
}
@keyframes trace-scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}
.trace-nodes {
  position: relative;
  flex: none;
  display: flex;
  margin: 0;
  padding: 0;
  list-style: none;
}
.trace-nodes::before {
  content: "";
  position: absolute;
  top: 1.05rem;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--line);
  transition: background-color 0.3s ease;
}
.learning-trace:hover .trace-nodes::before,
.learning-trace:focus-within .trace-nodes::before {
  background: var(--accent);
}
.trace-node {
  position: relative;
  flex: none;
  width: 15rem;
  padding: 0 1.75rem 0 0;
}
.trace-node-dot {
  position: absolute;
  top: 0.75rem;
  left: 0;
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0.3rem var(--bg);
  transition: box-shadow 0.3s ease;
}
.learning-trace:hover .trace-node-dot,
.learning-trace:focus-within .trace-node-dot {
  box-shadow:
    0 0 0 0.3rem var(--bg),
    0 0 0.5rem 0.05rem rgba(141, 247, 193, 0.6);
}
.trace-node-body {
  padding-top: 2.25rem;
  transition: transform 0.2s ease;
}
.trace-node-type {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.trace-node-title {
  margin: 0 0 0.25rem;
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.3;
}
.trace-node-meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
}
.trace-node-status {
  color: var(--quiet);
}
.trace-node-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  margin-top: 0.5rem;
  color: var(--quiet);
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  opacity: 0;
  transform: translateY(0.2rem);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease,
    color 0.2s ease;
}
@media (hover: hover) {
  .trace-node:hover .trace-node-link {
    opacity: 1;
    transform: translateY(0);
    color: var(--accent);
  }
  .trace-node:hover .trace-node-dot {
    background: var(--ink);
    box-shadow:
      0 0 0 0.3rem var(--bg),
      0 0 0 0.5rem rgba(141, 247, 193, 0.35);
  }
}
.trace-node:focus-within .trace-node-link {
  opacity: 1;
  transform: translateY(0);
  color: var(--accent);
}
.trace-node-link:hover,
.trace-node-link:focus-visible {
  color: var(--accent);
  text-decoration: underline;
}
.learning-trace.is-manual .trace-node {
  width: 14rem;
}

.credential-footnote {
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: 1rem;
}

/* Recognition component preparation */
.recognition-section {
  margin-top: clamp(2rem, 4vw, 3rem);
  padding-top: clamp(2rem, 4vw, 3rem);
  border-top: 1px solid var(--line);
}
.recognition-section-title {
  margin: 0 0 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--mono);
}
.recognition-grid {
  display: grid;
  gap: 1.5rem;
}
.recognition-card {
  display: grid;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: 0.75rem;
}
.recognition-card--editorial {
  grid-template-columns: minmax(0, 1fr) minmax(16rem, 0.9fr);
  gap: 2rem;
  align-items: start;
}
.recognition-card--compact {
  grid-template-columns: 1fr;
}
/* The source ceremony photo is portrait (roughly 3:4). object-fit: contain
   inside a matching portrait frame shows the whole photo — trophy, certificate
   text and any people in it — rather than cropping to fill a landscape box. */
.recognition-image {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: contain;
  border-radius: 0.5rem;
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 0.5rem;
}
.recognition-content {
  display: grid;
  gap: 0.5rem;
}
.recognition-title {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 600;
}
.recognition-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  color: var(--muted);
  font-size: 0.85rem;
  font-family: var(--mono);
}
.recognition-meta span {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.recognition-context {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.6;
}
.recognition-caption {
  margin: 0;
  color: var(--quiet);
  font-size: 0.8rem;
  font-style: italic;
}
.recognition-verify {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  margin-top: 0.5rem;
  padding: 0.35rem 0.6rem;
  color: var(--quiet);
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  text-transform: uppercase;
  opacity: 0;
  transition:
    opacity 0.2s ease,
    color 0.2s ease;
}
.recognition-card:hover .recognition-verify,
.recognition-card:focus-within .recognition-verify {
  opacity: 1;
  color: var(--accent);
}
.recognition-verify:hover,
.recognition-verify:focus-visible {
  color: var(--accent);
  text-decoration: underline;
}
.recognition-verify[data-missing-url] {
  pointer-events: none;
  opacity: 0 !important;
}

/* Dedicated Credentials archive page */
.archive-hero .section-heading p a {
  color: var(--muted);
  font-weight: 600;
  text-decoration: none;
}
.archive-hero .section-heading p a:hover,
.archive-hero .section-heading p a:focus-visible {
  color: var(--accent);
  text-decoration: underline;
}

/* Editorial trajectory device — not a literal per-credential timeline, just a
   compact way to read the page as a progression rather than a flat list. */
.archive-trajectory {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin: 2.5rem 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 650;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.archive-trajectory li {
  color: var(--muted);
}
.archive-trajectory li:not(:last-child)::after {
  content: "→";
  margin: 0 0.85rem;
  color: var(--line-strong);
}
.archive-trajectory li:last-child {
  color: var(--accent);
}

.archive-nav,
.section-nav {
  position: sticky;
  top: 4.75rem;
  z-index: 40;
  display: flex;
  gap: clamp(1rem, 2.5vw, 2rem);
  overflow-x: auto;
  padding: 1rem var(--gutter);
  background: rgba(17, 20, 18, 0.96);
  border-bottom: 1px solid var(--line);
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.archive-section,
.project-page .project-section {
  scroll-margin-top: 9rem;
}
.archive-nav::-webkit-scrollbar,
.section-nav::-webkit-scrollbar {
  display: none;
}
.archive-nav a,
.section-nav a {
  flex: none;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  padding-bottom: 0.35rem;
  border-bottom: 2px solid transparent;
  transition:
    color 0.2s ease,
    border-color 0.2s ease;
}
.archive-nav a:hover,
.archive-nav a:focus-visible,
.section-nav a:hover,
.section-nav a:focus-visible {
  color: var(--ink);
}
.archive-nav a[aria-current="true"],
.section-nav a[aria-current="true"] {
  color: var(--accent);
  border-color: var(--accent);
}

.archive-section-eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}
.archive-section h2 {
  margin-bottom: 2rem;
}
.archive-section-note {
  margin: -1.25rem 0 2rem;
  max-width: 40rem;
  color: var(--muted);
  font-size: 0.95rem;
}
.archive-list {
  display: grid;
  gap: 1rem;
}
.archive-empty {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}
.js-motion .archive-item,
.js-motion .archive-programme,
.js-motion .archive-timeline-item {
  opacity: 0;
  transform: translateY(0.6rem);
  transition:
    opacity 0.5s ease,
    transform 0.5s ease;
}
.js-motion .archive-item.is-revealed,
.js-motion .archive-programme.is-revealed,
.js-motion .archive-timeline-item.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

.archive-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-left: 2px solid var(--line);
  border-radius: 0.75rem;
  transition:
    border-color 0.2s ease,
    transform 0.2s ease,
    box-shadow 0.2s ease;
}
@media (hover: hover) {
  .archive-item:hover {
    border-color: var(--accent);
    border-left-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.32);
  }
  .archive-item:hover .archive-badge {
    transform: scale(1.04);
  }
}
.archive-item:focus-within {
  border-color: var(--accent);
  border-left-color: var(--accent);
}
/* Professional-level credentials read slightly heavier than a plain course row. */
.archive-item--professional {
  border-left-width: 3px;
  background:
    linear-gradient(180deg, rgba(141, 247, 193, 0.045), transparent 60%),
    var(--bg-elevated);
}
.archive-badge {
  flex: none;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  object-fit: contain;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  transition: transform 0.25s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}
.archive-badge--placeholder {
  background: var(--bg);
  border: 1px dashed var(--line-strong);
  display: grid;
  place-items: center;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
}
.archive-item-body {
  min-width: 0;
}
.archive-item-type {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.archive-item-body h3 {
  margin: 0 0 0.3rem;
  font-size: 1rem;
  font-weight: 600;
}
.archive-item-meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}
.archive-status {
  color: var(--quiet);
  font-weight: 650;
}
.archive-status--expired {
  color: #e2a25a;
}
.archive-verify {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  margin-top: 0.6rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
}
.archive-verify:hover,
.archive-verify:focus-visible {
  color: var(--accent);
  text-decoration: underline;
}

/* A left accent border (permanent, not just on hover) gives a specialization
   visibly more weight than the standalone course rows around it — it reads
   as a package containing courses, not one more item in the same flat list. */
.archive-programme {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 0.75rem;
  transition: border-color 0.2s ease;
}
.archive-programme[open] {
  border-color: var(--line-strong);
  border-left-color: var(--accent);
}
.archive-programme:hover,
.archive-programme:focus-within {
  border-color: var(--accent);
}
.archive-programme summary {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.5rem;
  cursor: pointer;
  list-style: none;
}
.archive-programme summary::-webkit-details-marker {
  display: none;
}
.archive-programme summary .archive-item-body {
  flex: 1;
}
/* A plain arrow glyph read as decoration, not a control — give it the same
   bordered circular-button treatment as the learning-rail nav buttons so
   "this row expands" reads immediately, matching info already up top too. */
.archive-chevron {
  flex: none;
  width: 2.25rem;
  height: 2.25rem;
  display: grid;
  place-items: center;
  color: var(--muted);
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  transition:
    transform 0.25s ease,
    color 0.2s ease,
    border-color 0.2s ease;
}
.archive-programme:hover .archive-chevron,
.archive-programme:focus-within .archive-chevron {
  color: var(--accent);
  border-color: var(--accent);
}
.archive-programme[open] .archive-chevron {
  transform: rotate(180deg);
}
.archive-programme-body {
  position: relative;
  padding: 0 1.5rem 1.5rem 5.75rem;
}
.archive-child-list {
  position: relative;
  display: grid;
  gap: 0;
  margin: 0.75rem 0 0;
  padding: 0;
  list-style: none;
}
.archive-child-list::before {
  content: "";
  position: absolute;
  top: 0.3rem;
  bottom: 0.3rem;
  left: 0.45rem;
  width: 1px;
  background: var(--line);
}
.archive-child {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem 1rem 0.65rem 2rem;
}
.archive-child-dot {
  position: absolute;
  top: 50%;
  left: 0.45rem;
  width: 0.5rem;
  height: 0.5rem;
  margin-left: -0.25rem;
  border-radius: 50%;
  background: var(--accent);
  transform: translateY(-50%);
}
.js-motion .archive-programme[open] .archive-child {
  opacity: 0;
  transform: translateX(-0.4rem);
  animation: archive-child-in 0.35s ease forwards;
  animation-delay: calc(var(--i, 0) * 60ms);
}
@keyframes archive-child-in {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}
.archive-child h4 {
  margin: 0 0 0.15rem;
  font-size: 0.92rem;
  font-weight: 600;
}
.archive-child p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}
.archive-child .archive-verify {
  margin-top: 0;
}

/* Compact cross-reference rows: a credential already shown in full elsewhere,
   referenced here without repeating the full card. */
.archive-crossref-note {
  margin: 1.5rem 0 0.75rem;
  color: var(--quiet);
  font-size: 0.82rem;
  font-style: italic;
}
.archive-crossref-list {
  display: grid;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.archive-crossref {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1rem;
  border: 1px dashed var(--line);
  border-radius: 0.6rem;
}
.archive-crossref-badge {
  flex: none;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  object-fit: contain;
  background: var(--bg);
  border: 1px solid var(--line-strong);
}
.archive-crossref-badge--placeholder {
  display: grid;
  place-items: center;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 700;
}
.archive-crossref-body {
  flex: 1;
  min-width: 0;
}
.archive-crossref-title {
  display: block;
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
}
.archive-crossref-title:hover,
.archive-crossref-title:focus-visible {
  color: var(--accent);
  text-decoration: underline;
}
.archive-crossref-meta {
  margin: 0.15rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}
.archive-crossref-verify {
  flex: none;
  color: var(--quiet);
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  text-decoration: none;
}
.archive-crossref-verify:hover,
.archive-crossref-verify:focus-visible {
  color: var(--accent);
  text-decoration: underline;
}

/* Personal Development: same system, warmer accent to differentiate from the
   technical sections without leaving the graphite/mint identity. */
.archive-section--warm .archive-item,
.archive-section--warm .archive-programme {
  background:
    linear-gradient(180deg, rgba(217, 211, 198, 0.05), transparent 55%),
    var(--bg-elevated);
  border-color: var(--line);
}
.archive-section--warm .archive-item-type,
.archive-section--warm .archive-chevron {
  color: var(--warm);
}
.archive-section--warm .archive-item:hover,
.archive-section--warm .archive-programme:hover,
.archive-section--warm .archive-programme:focus-within {
  border-color: var(--warm);
}
.archive-section--warm .archive-item:hover {
  border-left-color: var(--warm);
}
.archive-section--warm .archive-child-dot {
  background: var(--warm);
}

/* Earlier Foundations: a compact timeline, deliberately smaller than current
   credentials — this section should read as history, not another grid. */
.archive-timeline {
  position: relative;
  display: grid;
  gap: 0;
  padding-left: 1.5rem;
}
.archive-timeline::before {
  content: "";
  position: absolute;
  top: 0.4rem;
  bottom: 0.4rem;
  left: 0.3rem;
  width: 1px;
  background: var(--line);
}
.archive-timeline-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
}
.archive-timeline-item:not(:last-child) {
  border-bottom: 1px solid var(--line);
}
/* Dot sits on the item, which starts inside the container's 1.5rem rail
   padding — so its "left" is relative to that padded edge, not the container.
   -1.2rem (not -1.5rem) plus a half-width margin lands its centre exactly on
   the ::before line at container-left + .3rem. */
.archive-timeline-dot {
  position: absolute;
  top: 50%;
  left: -1.2rem;
  width: 0.5rem;
  height: 0.5rem;
  margin-left: -0.25rem;
  border-radius: 50%;
  background: var(--quiet);
  transform: translateY(-50%);
}
.archive-timeline-badge {
  flex: none;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  object-fit: contain;
  background: var(--bg);
  border: 1px solid var(--line-strong);
}
.archive-timeline-date {
  margin: 0 0 0.2rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.archive-timeline-item h3 {
  margin: 0 0 0.15rem;
  font-size: 0.92rem;
  font-weight: 600;
}
.archive-timeline-item .archive-item-meta {
  font-size: 0.82rem;
}
.archive-timeline-item .archive-verify {
  margin-top: 0.3rem;
}

@media (max-width: 560px) {
  .archive-item,
  .archive-programme summary {
    flex-direction: column;
    gap: 0.85rem;
  }
  .archive-programme-body {
    padding-left: 1.5rem;
  }
  .archive-child {
    flex-wrap: wrap;
  }
  .archive-crossref {
    flex-wrap: wrap;
  }
  .archive-timeline-item {
    flex-wrap: wrap;
  }
  .archive-trajectory {
    font-size: 0.7rem;
  }
  .archive-trajectory li:not(:last-child)::after {
    margin: 0 0.5rem;
  }
}

.about {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(22rem, 1.15fr);
  gap: clamp(3rem, 8vw, 8rem);
}
.about h2 {
  max-width: 10ch;
}
.about-copy {
  max-width: var(--measure-prose);
  font-size: var(--type-body);
}
.resume {
  padding-block: var(--section-space-compact);
  border-top: 0;
}
.text-links {
  margin-top: 2rem;
}
.text-links a {
  color: var(--ink);
  font-weight: 700;
}
.contact {
  width: 100%;
  max-width: none;
  padding-inline: max(
    var(--gutter),
    calc((100vw - var(--max-width)) / 2 + var(--gutter))
  );
  background: var(--accent);
  color: var(--accent-ink);
  border-top: 0;
}
.contact .eyebrow {
  color: var(--accent-ink);
}
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(20rem, 0.65fr);
  gap: clamp(3rem, 8vw, 8rem);
}
.contact-layout h2 {
  max-width: 12ch;
}
.contact-layout p {
  max-width: 35rem;
}
.button-light {
  background: var(--accent-ink);
  border-color: var(--accent-ink);
  color: var(--ink);
}
.button-ghost {
  border-color: rgba(11, 42, 26, 0.5);
}
.contact .button:focus-visible {
  outline-color: var(--accent-ink);
}
.site-footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  padding-block: 2.5rem;
  color: var(--muted);
  font-size: 0.95rem;
}
.site-footer p {
  margin: 0;
}
.site-footer a {
  color: var(--muted);
}

@media (hover: hover) {
  .button,
  .text-links a,
  .project-note-link a,
  .recognition-verify,
  .trace-node-link,
  .project-index-action,
  .project-inline-cta {
    transition:
      border-color var(--motion-fast) ease,
      background-color var(--motion-fast) ease,
      color var(--motion-fast) ease,
      text-decoration-color var(--motion-fast) ease;
  }
}
@media (max-width: 1100px) {
  .brand-name {
    display: none;
  }
}
@media (max-width: 1000px) {
  .primary-navigation {
    gap: 0.75rem;
  }
  .journey-grid {
    grid-template-columns: 1fr 1fr;
  }
  .journey-education {
    grid-row: span 2;
  }
}
@media (max-width: 820px) {
  .header-inner {
    min-height: 4.25rem;
  }
  .archive-nav,
  .section-nav {
    top: 4.25rem;
  }
  .archive-section,
  .project-page .project-section {
    scroll-margin-top: 8.5rem;
  }
  .menu-toggle {
    display: inline-flex;
  }
  .primary-navigation {
    position: fixed;
    inset: 4.25rem 0 0;
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    padding: 1rem var(--gutter) 2rem;
    overflow-y: auto;
    background: var(--bg);
  }
  .primary-navigation.is-open {
    display: flex;
  }
  .primary-navigation > a {
    padding: 1rem 0;
    border-bottom: 1px solid var(--line);
    color: var(--ink);
    font-size: 1.2rem;
  }
  .nav-utilities {
    margin: 1.5rem 0 0;
    padding: 0;
    border: 0;
  }
  .nav-utilities a {
    min-height: 3rem;
    flex: 1;
    display: grid;
    place-items: center;
    border: 1px solid var(--control-border);
  }
  .primary-navigation .nav-contact {
    padding: 0.55rem 0.85rem;
  }
  .menu-toggle[aria-expanded="true"] .menu-icon i:first-child {
    transform: translateY(0.14rem) rotate(45deg);
  }
  .menu-toggle[aria-expanded="true"] .menu-icon i:last-child {
    transform: translateY(-0.14rem) rotate(-45deg);
  }
  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    align-items: start;
    padding-top: 6rem;
  }
  .current-role {
    max-width: 34rem;
  }
  .heading-row,
  .project-body,
  .about,
  .contact-layout,
  .credential-featured {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .progression-track {
    flex-direction: column;
    align-items: stretch;
  }
  .progression-connector {
    top: 0;
    left: 2.75rem;
    width: 1px;
    height: 100%;
  }
  .progression-steps {
    flex-direction: column;
    gap: 1.5rem;
  }
  .progression-step {
    flex-direction: row;
    align-items: center;
    text-align: left;
    gap: 1rem;
  }
  .progression-arrow {
    display: none;
  }
  .progression-step-info {
    flex: 1;
    align-items: flex-start;
    min-width: 0;
  }
  .progression-step-title {
    min-height: 0;
  }
  .progression-step-badge {
    width: 4rem;
    height: 4rem;
    margin-bottom: 0;
    flex-shrink: 0;
  }
  .progression-step-badge img {
    width: 2.5rem;
    height: 2.5rem;
  }
  .progression-step-title {
    font-size: 0.9rem;
  }
  .progression-step-meta {
    font-size: 0.8rem;
  }
  .role {
    grid-template-columns: 7rem 1fr;
  }
  .role-detail {
    grid-column: 2;
  }
  .journey-grid {
    grid-template-columns: 1fr;
  }
  .journey-education {
    grid-row: auto;
  }
  .journey-item {
    min-height: 0;
  }
  .education-list {
    grid-template-columns: 1fr;
  }
  .journey .recognition-grid { grid-template-columns: 1fr; }
  .leadership-progression { grid-template-columns: 1fr; gap: 0.75rem; }
  .f1-media-grid, .f1-video-grid { grid-template-columns: 1fr; }
  .f1-media--hero img { max-height: 65vh; }
  .f1-media-grid .f1-media img, .f1-video video { height: clamp(220px, 68vw, 340px); }
  .credential-badge-card {
    flex-wrap: wrap;
    padding: 1.25rem;
  }
  /* No hover on touch: show the action inline instead of as an absolute
     corner reveal, so it isn't stranded behind wrapped text. */
  .credential-badge-verify {
    position: static;
    opacity: 1;
    transform: none;
    margin-top: 0.5rem;
  }
  /* Same reasoning: these verify/detail links only reveal on :hover, which
     doesn't exist on touch, so they'd otherwise be undiscoverable. */
  .progression-step-verify,
  .trace-node-link,
  .recognition-verify {
    opacity: 1;
    transform: none;
  }
  .trace-node-link {
    padding: 0.35rem 0.6rem;
    margin-left: -0.6rem;
  }
  .credential-badge-card img {
    width: 3.5rem;
    height: 3.5rem;
  }
}
@media (max-width: 560px) {
  :root {
    --gutter: var(--gutter-mobile);
    --section-space: 4rem;
  }
  h1 {
    margin-bottom: 1.1rem;
  }
  .hero {
    gap: 2.25rem;
    padding-top: 3rem;
  }
  .hero .eyebrow {
    margin-bottom: 0.9rem;
  }
  .hero-intro {
    max-width: 36ch;
    margin-bottom: 1.5rem;
    font-size: 1.02rem;
    line-height: 1.5;
  }
  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 0.65rem;
  }
  .hero-actions .button {
    width: 100%;
  }
  .hero-actions .button-secondary {
    min-height: 2.75rem;
    border-color: transparent;
    text-decoration: underline;
  }
  .contact-actions {
    align-items: stretch;
    flex-direction: column;
  }
  .contact-actions .button {
    width: 100%;
  }
  .capability-trace::before {
    left: 0.25rem;
  }
  .capability-trace li {
    grid-template-columns: 2rem 1fr;
    gap: 1rem;
  }
  .capability-trace li::before {
    left: 0;
  }
  .project-meta {
    gap: 0.5rem 1rem;
  }
  .project-note {
    margin-left: 0;
  }
  .role {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
  .role-detail {
    grid-column: auto;
  }
  .progression-step {
    gap: 0.75rem;
  }
  .progression-step-badge {
    width: 3.5rem;
    height: 3.5rem;
  }
  .progression-step-badge img {
    width: 2.25rem;
    height: 2.25rem;
  }
  .progression-step-title {
    font-size: 0.85rem;
  }
  .progression-step-meta {
    font-size: 0.75rem;
  }
  .learning-trace.is-manual .trace-node {
    width: 12.5rem;
  }
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
  .recognition-card--editorial {
    grid-template-columns: 1fr;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
  .js-motion .section-heading .eyebrow,
  .js-motion .section-heading h2,
  .js-motion .section-heading > p,
  .js-motion .journey-intro .eyebrow,
  .js-motion .journey-intro h2,
  .js-motion .journey-intro > p,
  .js-motion .project-section > .archive-section-eyebrow,
  .js-motion .project-section > h2,
  .js-motion .f1-media,
  .js-motion .f1-media figcaption,
  .js-motion .recognition-card,
  .js-motion .journey-section,
  .js-motion .capability-trace::before,
  .js-motion .capability-trace li::before,
  .js-motion .section-heading::after,
  .js-motion .project-section::before {
    opacity: 1 !important;
    transform: none !important;
  }
  .js-motion .capability-trace li .trace-index,
  .js-motion .capability-trace li > div {
    opacity: 1 !important;
  }
  .js-motion .journey-section {
    clip-path: none !important;
  }
}
@media (prefers-reduced-motion: reduce) and (min-width: 1101px) {
  .capabilities > .section-heading,
  .projects > .section-heading,
  .experience > .section-heading,
  .credentials > .section-heading {
    position: static;
  }
}

/* ---- Reusable project-detail page (Movie Recommendation FYP, and future
   project pages built on the same PROJECT_* data shape) ----
   Scoped wider content shell: only pages with .project-page on <body> get a
   roomier max-width, so the rest of the site (which shares .section-shell)
   is untouched. */
.project-page { --max-width: var(--content-wide); }
.project-page .section-shell {
  padding-block: var(--section-space-detail);
}

.project-hero { padding-bottom: clamp(2.5rem, 4vw, 3.5rem); }
.project-hero-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 2.5rem; }
.project-hero-intro { min-width: 0; }
.project-hero h1 { max-width: 18ch; font-size: clamp(2.75rem, 5.5vw, 5.25rem); }
.project-hero-context { margin: 0 0 1.25rem; color: var(--muted); font-size: var(--type-secondary); overflow-wrap: anywhere; }
.project-hero-summary { max-width: var(--measure-wide); margin: 0 0 2rem; color: #cbd1cb; font-size: var(--type-body-large); line-height: var(--leading-body); }
.project-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.project-actions .button { display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem; }
.project-actions .button span { display: inline-flex; align-items: center; line-height: 1; }
.project-hero-facts { align-self: start; padding: 1.5rem; background: var(--bg-elevated); border-top: 2px solid var(--accent); }
.project-hero-facts .label { margin-bottom: 1.25rem; }
.project-hero-facts dl { margin: 0; display: grid; gap: 1rem; }
.project-hero-facts div { padding-top: 0.75rem; border-top: 1px solid var(--line); }
.project-hero-facts div:first-child { padding-top: 0; border-top: none; }
.project-hero-facts dt { color: var(--muted); font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.04em; text-transform: uppercase; }
.project-hero-facts dd { margin: 0.25rem 0 0; font-size: 1rem; }

.project-section h2 { margin-bottom: var(--heading-gap); font-size: var(--type-subsection); line-height: var(--leading-heading); letter-spacing: -0.04em; }
.project-section-note { max-width: var(--measure-compact); margin: 0 0 var(--content-gap); color: var(--muted); font-size: var(--type-secondary); line-height: var(--leading-body); }
.project-prose { max-width: var(--measure-prose); color: var(--muted); font-size: var(--type-body-large); line-height: var(--leading-body); }
.project-prose p + p { margin-top: var(--space-3); }
.project-list-plain { display: grid; gap: var(--space-2); max-width: 44rem; margin: var(--space-4) 0 0; padding: 0; list-style: none; }
.project-list-plain li { position: relative; padding-left: 1.25rem; color: var(--muted); font-size: 1rem; line-height: 1.55; }
.project-list-plain li::before { content: ""; position: absolute; top: 0.6rem; left: 0; width: 0.4rem; height: 0.4rem; border-radius: 50%; background: var(--accent); }

/* At a glance: deterministic 4-up grid on desktop, larger text than a generic
   metadata footnote. */
.glance-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem 2.5rem; margin: 0; }
.glance-grid dt { margin: 0 0 0.4rem; color: var(--accent); font-family: var(--mono); font-size: 0.78rem; font-weight: 650; letter-spacing: 0.06em; text-transform: uppercase; }
.glance-grid dd { margin: 0; font-size: 1.1rem; }

/* Problem: prose + a distinct research-questions panel, so wide screens read
   as an editorial composition rather than one narrow column. */
.problem-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 2.5rem; align-items: start; }
.research-questions { padding: 1.5rem 1.75rem; background: var(--bg-elevated); border-left: 2px solid var(--accent); }
.research-questions-title { margin: 0 0 1.25rem; color: var(--accent); font-family: var(--mono); font-size: 0.78rem; font-weight: 650; letter-spacing: 0.06em; text-transform: uppercase; }
.research-questions ol { margin: 0; padding: 0; list-style: none; display: grid; gap: 1.25rem; counter-reset: rq; }
.research-questions li { counter-increment: rq; padding-left: 1.75rem; position: relative; }
.research-questions li::before { content: counter(rq); position: absolute; top: 0.1rem; left: 0; color: var(--accent); font-family: var(--mono); font-size: 0.85rem; font-weight: 700; }
.research-questions h3 { margin: 0 0 0.35rem; font-size: 1rem; }
.research-questions p { margin: 0; color: var(--muted); font-size: 0.92rem; line-height: 1.5; }

/* Research trace: a connected list of native <details> disclosures. Content is
   always present in the DOM (prose fallback); <details>/<summary> gives
   keyboard/no-JS-safe expand behaviour without a custom widget. Vertical on
   mobile; a horizontal, wrapping trace from desktop up. */
.research-trace { position: relative; margin: 0; padding: 0; list-style: none; }
.research-trace::before { content: ""; position: absolute; top: 0; bottom: 0; left: 1.6rem; width: 1px; background: var(--line); }
.trace-step { position: relative; display: grid; grid-template-columns: 3.25rem minmax(0, 1fr); gap: 1.5rem; padding: 1.25rem 0; border-top: 1px solid var(--line); }
.trace-step:first-child { border-top: none; }
.trace-step-index { position: relative; color: var(--accent); font-family: var(--mono); font-size: 0.9rem; font-weight: 650; }
.trace-step-details summary { cursor: pointer; font-size: 1.1rem; font-weight: 600; list-style: none; }
.trace-step-details summary::-webkit-details-marker { display: none; }
.trace-step-details summary::before { content: "+ "; position: relative; top: 0.08em; color: var(--accent); font-family: var(--mono); }
.trace-step-details[open] summary::before { content: "– "; }
.trace-step-details p { margin: 0.75rem 0 0; max-width: 40rem; color: var(--muted); font-size: 1rem; line-height: 1.6; }

/* Data: narrative + a distinct preparation checklist, side by side once wide
   enough to avoid a single starved column. */
.data-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 2.5rem; align-items: start; }
.dataset-label { display: inline-block; margin: -0.75rem 0 2rem; padding: 0.4rem 0.75rem; color: var(--accent); font-family: var(--mono); font-size: 0.8rem; font-weight: 650; letter-spacing: 0.04em; border: 1px solid var(--line); border-radius: 0.4rem; }
.data-prep-title { margin: 0 0 0.75rem; color: var(--muted); font-family: var(--mono); font-size: 0.78rem; font-weight: 650; letter-spacing: 0.05em; text-transform: uppercase; }
.data-prep .project-list-plain { max-width: none; }

/* Model Explorer */
.model-explorer { border: var(--border-standard) solid var(--line); border-radius: var(--radius-feature); background: var(--bg-elevated); overflow: hidden; }
.model-tabs { display: flex; flex-wrap: wrap; gap: 0; border-bottom: 1px solid var(--line); }
.model-tab { flex: 1 1 8rem; padding: 1.15rem 0.75rem; background: transparent; border: none; border-bottom: 2px solid transparent; color: var(--muted); font-family: var(--mono); font-size: 0.9rem; font-weight: 650; letter-spacing: 0.03em; text-transform: uppercase; cursor: pointer; transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease; }
.model-tab:hover { color: var(--ink); }
.model-tab[aria-selected="true"] { color: var(--accent); border-bottom-color: var(--accent); background: rgba(141, 247, 193, 0.06); }
.model-panel-content { padding: clamp(2rem, 3.5vw, 3rem); }
.model-panel-fullname { margin: 0 0 1.5rem; color: var(--muted); font-family: var(--mono); font-size: 0.9rem; letter-spacing: 0.03em; }
.model-panel-block { margin-bottom: 1.5rem; max-width: 60ch; }
.model-panel-label { margin: 0 0 0.35rem; color: var(--accent); font-family: var(--mono); font-size: 0.78rem; font-weight: 650; letter-spacing: 0.06em; text-transform: uppercase; }
.model-panel-block p { margin: 0; color: var(--ink); font-size: 1.05rem; line-height: 1.6; }
.model-metrics { display: flex; flex-wrap: wrap; gap: clamp(1.5rem, 4vw, 3rem); margin: 1.75rem 0; padding: 1.25rem 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.model-metric { display: flex; flex-direction: column; gap: 0.3rem; }
.model-metric-label { color: var(--muted); font-family: var(--mono); font-size: 0.75rem; font-weight: 650; letter-spacing: 0.05em; text-transform: uppercase; }
.model-metric-value { font-size: 1.6rem; font-weight: 700; }
.model-metric-note { max-width: 60ch; margin: -0.75rem 0 1.5rem; color: var(--quiet); font-size: 0.88rem; font-style: italic; }

/* Hybrid: 3:1 weighting rendered as a proportional bar merging into one result. */
.hybrid-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 2.5rem; align-items: center; }
.hybrid-ratio { display: grid; justify-items: center; gap: 0.75rem; padding: 2rem; background: var(--bg-elevated); border-radius: 0.75rem; text-align: center; }
.hybrid-ratio-bar { display: flex; width: 100%; max-width: 26rem; height: 2.25rem; border-radius: 0.5rem; overflow: hidden; }
.hybrid-ratio-segment { display: block; }
.hybrid-ratio-segment--svd { background: var(--accent); }
.hybrid-ratio-segment--ae { background: var(--line-strong); }
/* Labels live in a legend below the bar, not inside it -- a 25%-wide segment
   has no room to fit "Autoencoder 25%" without the text clipping. */
.hybrid-ratio-legend { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.4rem 1.5rem; margin: 0.85rem 0 0; padding: 0; list-style: none; font-family: var(--mono); font-size: 0.8rem; }
.hybrid-ratio-legend li { display: flex; align-items: center; gap: 0.5rem; }
.hybrid-ratio-legend-dot { width: 0.65rem; height: 0.65rem; border-radius: 50%; }
.hybrid-ratio-legend-dot--svd { background: var(--accent); }
.hybrid-ratio-legend-dot--ae { background: var(--line-strong); }
.hybrid-ratio-arrow { margin: 0; color: var(--muted); font-family: var(--mono); }
.hybrid-ratio-result { padding: 0.6rem 1.5rem; border: 1px solid var(--accent); border-radius: 999px; color: var(--accent); font-weight: 700; }
.hybrid-ratio-formula { margin: 0.5rem 0 0; color: var(--muted); font-family: var(--mono); font-size: 0.85rem; }
.hybrid-ratio-disclaimer { max-width: 24rem; margin: 0.5rem 0 0; color: var(--quiet); font-size: 0.8rem; font-style: italic; }

/* Evaluation: explanation + caveats beside the charts on wide screens. */
.evaluation-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 2.5rem; align-items: start; }
.evaluation-side { display: grid; gap: 2rem; }
.metrics-explainer { display: grid; gap: 1.5rem; margin: 0; }
.metrics-explainer-item span { display: block; margin-bottom: 0.3rem; color: var(--accent); font-family: var(--mono); font-size: 0.82rem; font-weight: 650; text-transform: uppercase; letter-spacing: 0.05em; }
.metrics-explainer-item p { margin: 0; color: var(--muted); font-size: 0.98rem; line-height: 1.55; }
.evaluation-charts { display: grid; gap: 2.5rem; margin: 0; }
.eval-chart-title { margin: 0 0 1.1rem; font-family: var(--mono); font-size: 0.9rem; font-weight: 650; letter-spacing: 0.03em; color: var(--muted); text-transform: uppercase; }
.eval-bar-row { display: grid; grid-template-columns: 10rem minmax(0, 1fr) 3.5rem; align-items: center; gap: 1rem; padding: 0.55rem 0; }
.eval-bar-label { font-size: 0.98rem; color: var(--ink); }
.eval-bar-track { position: relative; height: 0.65rem; background: var(--line); border-radius: 999px; overflow: hidden; }
.eval-bar-fill { display: block; height: 100%; background: var(--accent); border-radius: 999px; }
.eval-bar-value { font-family: var(--mono); font-size: 0.9rem; color: var(--muted); text-align: right; }
.evaluation-caveats { padding: 1.5rem 1.75rem; background: var(--bg-elevated); border-left: 2px solid var(--control-border); border-radius: 0.5rem; }
.evaluation-caveats-title { margin: 0 0 0.75rem; color: var(--muted); font-family: var(--mono); font-size: 0.8rem; font-weight: 650; text-transform: uppercase; letter-spacing: 0.05em; }
.evaluation-caveats ul { margin: 0; padding-left: 1.1rem; color: var(--muted); font-size: 0.96rem; line-height: 1.65; }

/* User testing */
.user-testing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem; }
.user-testing-col { padding: 1.75rem; background: var(--bg-elevated); border: 1px solid var(--line); border-radius: 0.75rem; }
.user-testing-col h3 { font-size: 1.15rem; }
.user-testing-col ul { margin: 0; padding-left: 1.1rem; color: var(--muted); font-size: 0.98rem; line-height: 1.6; }
.user-testing-col[data-col="challenged"] { border-color: var(--line-strong); }
.project-disclosure-note { max-width: 60ch; margin-top: 1.75rem; padding-top: 1.25rem; border-top: 1px solid var(--line); color: var(--quiet); font-size: 0.92rem; font-style: italic; line-height: 1.6; }

/* Limitations: prominent, not footnote-styled. Left-aligned text throughout. */
.project-section--limitations { background: var(--bg-elevated); border-top-color: var(--line-strong); }
/* Constraints ledger: a numbered list reads as evidence, not a wall of
   identical warning cards — each row states the constraint and its
   practical implication together, in the source content's own words. */
.limitations-list {
  counter-reset: limitation;
  margin: 0;
  padding: 0;
  list-style: none;
  max-width: var(--measure-wide);
  border-top: 1px solid var(--line);
}
.limitations-list li {
  counter-increment: limitation;
  display: grid;
  grid-template-columns: 2.75rem minmax(0, 1fr);
  gap: 1.25rem;
  align-items: baseline;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line);
  text-align: left;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.6;
}
.limitations-list li::before {
  content: counter(limitation, decimal-leading-zero);
  color: #e2a25a;
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.artifacts-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; }
.artifacts-pending { margin: 0; color: var(--muted); font-size: 0.92rem; }
.artifacts-pending code { padding: 0.15rem 0.4rem; background: var(--bg-elevated); border: 1px solid var(--line); border-radius: 0.3rem; font-size: 0.85rem; }

/* Flood Risk case-study media: paired maps on wide screens, stacked on mobile. */
.flood-media-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; margin-top: 2rem; }
.flood-media-grid--single { grid-template-columns: minmax(0, 1fr); max-width: 58rem; }
.flood-media-grid--focused { grid-template-columns: minmax(0, 1fr); max-width: 70rem; }
.flood-media-card { display: flex; min-width: 0; flex-direction: column; margin: 0; overflow: hidden; background: var(--bg-elevated); border: 1px solid var(--line); border-radius: 0.75rem; }
.flood-media-grid--context .flood-media-card img,
.flood-media-grid--paired .flood-media-card img { display: block; width: 100%; height: clamp(320px, 29vw, 440px); object-fit: contain; background: #f2f5f2; }
.flood-media-grid--focused .flood-media-card img { display: block; width: 100%; max-height: min(65vh, 620px); object-fit: contain; background: #f2f5f2; }
.flood-media-card figcaption { display: grid; gap: 0.45rem; min-height: 6.5rem; padding: 1rem 1.1rem 1.15rem; }
.flood-media-card figcaption strong { font-size: 1rem; line-height: 1.35; }
.flood-media-card figcaption span { color: var(--muted); font-size: 0.9rem; line-height: 1.5; }
.flood-data-groups { display: grid; gap: 1.25rem; margin-top: 0.5rem; }
.flood-data-group { padding-top: 1rem; border-top: 1px solid var(--line); }
.flood-data-group h3 { margin: 0 0 0.65rem; color: var(--accent); font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; }
.flood-data-group ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.45rem 1rem; margin: 0; padding: 0; list-style: none; color: var(--muted); font-size: 0.92rem; }
.flood-summary-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.flood-chart-card { min-width: 0; padding: 1.25rem; background: var(--bg); border: 1px solid var(--line); border-radius: 0.65rem; }
.flood-chart-card h3 { margin: 0 0 1rem; font-size: 1rem; }
.flood-stacked-bar { display: flex; width: 100%; min-height: 1.25rem; overflow: hidden; border-radius: 0.35rem; background: var(--line); }
.flood-bar-segment { display: block; min-width: 1px; }
.flood-bar-segment--high, .flood-legend-swatch--high { background: #eb533d; }
.flood-bar-segment--medium, .flood-legend-swatch--medium { background: #e7b260; }
.flood-bar-segment--low, .flood-legend-swatch--low { background: #a8dfbb; }
.flood-chart-legend { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.55rem; margin: 0.9rem 0 0; padding: 0; list-style: none; color: var(--muted); font-family: var(--mono); font-size: 0.72rem; }
.flood-chart-legend li { display: grid; grid-template-columns: 0.55rem 1fr auto; align-items: center; gap: 0.35rem; }
.flood-chart-legend strong { color: var(--ink); font-weight: 650; }
.flood-legend-swatch { width: 0.55rem; height: 0.55rem; border-radius: 50%; }
.flood-metric-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; margin-top: 1.25rem; }
.flood-metric-card { padding: 1.25rem; border-top: 2px solid var(--control-border); background: var(--bg); }
.flood-metric-card span { display: block; margin-bottom: 0.45rem; color: var(--muted); font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.05em; text-transform: uppercase; }
.flood-metric-card strong { display: block; font-size: 1.35rem; }
.project-page { overflow-x: clip; }
.project-page .section-shell,
.project-page .project-hero-grid,
.project-page .project-hero-intro { min-width: 0; }

/* ---- Responsive: wider layouts kick in from 1000px, refined again ≥1600px ---- */
@media (min-width: 1000px) {
  .project-hero-grid { grid-template-columns: minmax(0, 1.7fr) minmax(18rem, 1fr); gap: clamp(3rem, 6vw, 6rem); }
  .problem-grid { grid-template-columns: minmax(0, 1.5fr) minmax(20rem, 1fr); gap: clamp(2.5rem, 5vw, 5rem); }
  .data-grid { grid-template-columns: minmax(0, 1.3fr) minmax(18rem, 1fr); gap: clamp(2.5rem, 5vw, 5rem); }
  .hybrid-grid { grid-template-columns: minmax(0, 1.3fr) minmax(20rem, 1fr); gap: clamp(2.5rem, 5vw, 5rem); }
  .evaluation-grid { grid-template-columns: minmax(18rem, 0.85fr) minmax(0, 1.4fr); gap: clamp(2.5rem, 5vw, 5rem); }
  .glance-grid { grid-template-columns: repeat(4, 1fr); }

  /* Research trace becomes a spatial, wrapping row instead of one long
     vertical list -- each node keeps its own accessible <details>. */
  .research-trace { display: flex; flex-wrap: wrap; gap: 2rem 1.5rem; }
  .research-trace::before { display: none; }
  .trace-step { flex: 1 1 12rem; display: block; padding: 1.5rem 0 0; border-top: 2px solid var(--accent); }
  .trace-step:first-child { border-top: 2px solid var(--accent); }
  .trace-step-index { display: block; margin-bottom: 0.75rem; }
}
@media (max-width: 820px) {
  .flood-media-grid { grid-template-columns: 1fr; }
  .flood-media-grid--context .flood-media-card img,
  .flood-media-grid--paired .flood-media-card img { height: clamp(240px, 72vw, 360px); }
  .flood-summary-grid, .flood-metric-grid { grid-template-columns: 1fr; }
  .flood-data-group ul { grid-template-columns: 1fr; }
  .user-testing-grid { grid-template-columns: 1fr; }
  .limitations-list li { grid-template-columns: 2rem minmax(0, 1fr); gap: 0.85rem; }
  .eval-bar-row { grid-template-columns: 6.5rem minmax(0, 1fr) 3rem; }
  .trace-step { grid-template-columns: 2.25rem minmax(0, 1fr); gap: 1rem; }
  .research-trace::before { left: 2.25rem; }
  .glance-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .project-hero-grid,
  .project-hero-intro,
  .project-hero h1,
  .project-hero-context,
  .project-hero-summary { width: min(100%, calc(100vw - 2.5rem)); max-width: min(100%, calc(100vw - 2.5rem)); min-width: 0; }
  .project-hero h1 { width: 100%; max-width: 100%; font-size: clamp(2.25rem, 10vw, 3.25rem); overflow-wrap: anywhere; word-break: break-word; }
  .project-hero-context { font-size: 0.95rem; }
  .model-tab { flex: 1 1 40%; font-size: 0.78rem; padding: 0.85rem 0.5rem; }
  .eval-bar-row { grid-template-columns: 1fr; gap: 0.3rem; text-align: left; }
  .eval-bar-value { text-align: left; }
}