:root {
  --lk-blue: #3657d6;
  --lk-ink: var(--lk-blue);
  --lk-muted: rgba(54, 87, 214, .72);
  --lk-paper: #fff;
  --lk-grid: 1240px;
  --lk-gap: 24px;
  --lk-gutter: max(24px, calc((100vw - var(--lk-grid)) / 2));
  --font-primary: Inter, ui-sans-serif, system-ui, sans-serif;
  --lk-header-text: rgba(21, 27, 36, .78);
  --lk-header-accent: #174f91;
}

html {
  font-size: 16px;
  background: var(--lk-paper);
}

html,
body {
  overflow-anchor: none;
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: clip;
  background: var(--lk-paper);
  color: var(--lk-ink);
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.55;
  letter-spacing: 0;
}

body::before,
body::after { content: none; }

h1,
h2,
h3,
h4,
p,
li,
a,
button,
summary { letter-spacing: 0; }

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: .24em;
}

a:hover { color: inherit; }

a:focus-visible,
button:focus-visible,
summary:focus-visible,
[data-showcase-card-href]:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 5px;
  border-radius: 0;
}

.site-header {
  position: fixed;
  inset: 22px auto auto 50%;
  z-index: 100;
  width: min(calc(100% - 48px), 940px);
  height: 52px;
  padding: 0;
  border: 1px solid rgba(54, 87, 214, .16);
  border-radius: 8px;
  background: rgba(255, 255, 255, .86);
  box-shadow: 0 2px 10px rgba(54, 87, 214, .08);
  transform: translateX(-50%);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.header-content {
  display: flex;
  width: 100%;
  max-width: none;
  height: 100%;
  margin: 0;
  padding: 0 18px;
  background-color: transparent;
  background-image: none;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  font-family: var(--font-primary);
}

.logo {
  flex: 0 0 auto;
  color: var(--lk-ink);
  font-size: .88rem;
  font-weight: 600;
  text-decoration: none;
}

.logo:hover { color: var(--lk-ink); }

.menu-toggle { display: none !important; }

.main-nav .nav-mobile-only { display: none; }

.main-nav {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: flex-end;
  gap: 1.6rem;
  background-color: transparent;
  background-image: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.main-nav a,
.main-nav a[href="https://websites.lucakosowski.com/"] {
  display: inline-flex;
  padding: .35rem 0;
  border: 0;
  border-radius: 0;
  background-color: transparent;
  background-image: none;
  box-shadow: none;
  color: var(--lk-ink);
  -webkit-text-fill-color: currentColor;
  font-size: .78rem;
  font-weight: 550;
  text-decoration: none;
  animation: none;
}

.main-nav a:hover,
.main-nav a:focus-visible,
.main-nav a[href="https://websites.lucakosowski.com/"]:hover,
.main-nav a[href="https://websites.lucakosowski.com/"]:focus-visible {
  color: var(--lk-ink);
  -webkit-text-fill-color: currentColor;
  text-shadow: none;
}

main { padding: 0; }

.hero-section {
  display: grid;
  min-height: 100svh;
  padding: clamp(8rem, 12vh, 10rem) var(--lk-gutter) clamp(5rem, 8vh, 7rem);
  align-content: center;
  background: var(--lk-paper);
  color: var(--lk-ink);
  text-align: left;
}

.hero-content {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--lk-gap);
  width: 100%;
  max-width: var(--lk-grid);
  margin: 0 auto;
  align-items: center;
}

.profile-image {
  grid-column: 1 / 5;
  grid-row: 1 / 5;
  align-self: center;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  margin: 0;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  object-fit: cover;
  object-position: center top;
  animation: lk-image-enter 900ms cubic-bezier(.22, 1, .36, 1) 120ms both;
}

.hero-title {
  grid-column: 5 / 13;
  align-self: end;
  margin: 0;
  color: var(--lk-ink);
  font-size: clamp(5.4rem, 7.7vw, 7rem);
  font-weight: 600;
  line-height: .94;
  text-wrap: balance;
  animation: lk-title-enter 900ms cubic-bezier(.22, 1, .36, 1) 80ms both;
}

.hero-subtitle { grid-column: 5 / 13; }

.hero-lead {
  grid-column: 5 / 12;
  max-width: 51rem;
  margin: 1rem 0 0;
  color: var(--lk-muted);
  font-size: 1.3rem;
  line-height: 1.45;
  text-wrap: pretty;
  animation: lk-copy-enter 800ms ease 280ms both;
}

.hero-actions {
  grid-column: 5 / 13;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 1.75rem;
  margin: 1.5rem 0 0;
  animation: lk-copy-enter 800ms ease 380ms both;
}

.cta-primary,
.cta-secondary {
  display: inline-flex;
  min-height: auto;
  padding: .4rem 0;
  border: 0;
  border-bottom: 1px solid currentColor;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  color: inherit;
  font-size: .95rem;
  font-weight: 500;
  text-decoration: none;
  transform: none;
}

.hero-actions .cta-primary,
.hero-actions .cta-secondary { color: var(--lk-blue); }

.cta-primary:hover,
.cta-secondary:hover {
  border: 0;
  border-bottom: 1px solid currentColor;
  background: transparent;
  box-shadow: none;
  color: inherit;
  transform: none;
}

.main-wrapper {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0;
  background: var(--lk-paper);
}

.content-section,
.page-hero {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--lk-gap);
  row-gap: 1.5rem;
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 7.5rem var(--lk-gutter);
  border: 0;
  border-radius: 0;
  background: var(--lk-paper);
  box-shadow: none;
}

.content-section:nth-of-type(even) { background: var(--lk-paper); }

.content-section > h2 {
  grid-column: 1 / 5;
  grid-row: 1;
  align-self: baseline;
  margin: 0;
  color: var(--lk-ink);
  font-size: 4.7rem;
  font-weight: 600;
  line-height: .96;
  text-wrap: balance;
}

#experience > h2,
#education > h2,
#projects > h2,
#skills > h2 {
  grid-column: 1 / 13;
  grid-row: auto;
  margin-bottom: 2.25rem;
}

#projects > .project-gallery,
#projects > .section-action,
#skills > .skills-matrix {
  grid-column: 1 / 13;
}

#experience > details,
#education > .education-ledger { grid-column: 5 / 13; }

#experience { overflow-anchor: none; }

.section-intro {
  grid-column: 5 / 12;
  max-width: 48rem;
  margin: 0 0 2rem;
  color: var(--lk-muted);
  font-size: 1.2rem;
  line-height: 1.55;
}

.content-section > :not(h2) {
  grid-column: 5 / 13;
}

.experience-item,
.skill-category,
.preview-card,
.project-card,
.education-item {
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  transform: none;
}

.experience-item:hover,
.skill-category:hover,
.preview-card:hover,
.project-card:hover {
  border-color: transparent;
  box-shadow: none;
  transform: none;
}

details.experience-item {
  --role-layout-duration: 720ms;
  --role-layout-ease: linear(
    0,
    .025 5%,
    .08 12%,
    .18 22%,
    .34 36%,
    .52 50%,
    .68 62%,
    .82 72%,
    .92 82%,
    .985 90%,
    .972 95%,
    1 100%
  );
  position: relative;
  grid-column: 5 / 13;
  margin: 0 0 .9rem;
  padding: 0;
  border: 0;
  border-radius: 0;
  overflow: visible;
  interpolate-size: allow-keywords;
  scale: 1;
  transition:
    scale 520ms cubic-bezier(.22, 1, .36, 1),
    transform 620ms cubic-bezier(.22, 1, .36, 1);
}

details.experience-item.is-role-transitioning {
  animation: none !important;
  scale: var(--role-from-scale, 1);
  transform: var(--role-from-transform, none) !important;
  transform-origin: top center;
}

details.experience-item.is-role-transitioning.is-role-settling {
  scale: var(--role-to-scale, 1);
  transform: var(--role-to-transform, none) !important;
}

details.experience-item.is-role-transitioning.is-role-open-frozen {
  scale: 1;
  transform: none !important;
  transition: none;
}

details.experience-item[open] {
  transform: none;
}

details.experience-item::before {
  content: '';
  position: absolute;
  inset: -6px -10px;
  z-index: 2;
  border: 1px solid var(--lk-blue);
  border-radius: var(--role-pill-radius, 44px);
  opacity: 0;
  pointer-events: none;
  transition:
    border-radius 560ms cubic-bezier(.16, 1, .3, 1),
    opacity 120ms ease;
}

details.experience-item[open]::before {
  border-radius: 8px;
  opacity: 1;
  transition-delay: 55ms, 0s;
}

details.experience-item::details-content {
  block-size: 0;
  overflow: clip;
  opacity: 0;
  transition:
    block-size var(--role-layout-duration) var(--role-layout-ease),
    opacity 100ms linear,
    content-visibility 760ms allow-discrete;
  transition-delay: 0s;
}

details.experience-item[open]::details-content {
  block-size: auto;
  opacity: 1;
  transition-delay: 0s, 0s, 0s;
}

.job-summary {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) max-content 24px;
  gap: 1.5rem;
  min-height: 76px;
  padding: 1rem 1.15rem;
  border: 1px solid transparent;
  border-radius: 999px;
  align-items: center;
  background: var(--lk-paper);
  box-shadow: none;
  cursor: pointer;
  list-style: none;
  transform-origin: center;
  transition:
    border-radius 220ms cubic-bezier(.22, 1, .36, 1),
    transform 220ms cubic-bezier(.22, 1, .36, 1);
}

.job-summary::-webkit-details-marker { display: none; }

.job-summary:focus-visible {
  outline: none;
}

.job-summary:hover,
.job-summary:focus-visible {
  background: var(--lk-paper);
  color: var(--lk-blue);
  transform: none;
}

details[open] > .job-summary {
  border: 1px solid transparent;
  border-radius: 7px 7px 0 0;
  background: var(--lk-paper);
  box-shadow: none;
  color: var(--lk-blue);
  transform: none;
}

.job-summary::after {
  content: '+';
  position: static;
  inset: auto;
  align-self: center;
  color: var(--lk-blue);
  font-size: 1.4rem;
  font-weight: 500;
  line-height: 1;
}

details[open] > .job-summary::after { content: '−'; }

.job-title {
  color: var(--lk-ink);
  font-size: 1.45rem;
  font-weight: 600;
  line-height: 1.2;
  overflow-wrap: normal;
  hyphens: none;
}

.job-meta,
.project-meta {
  color: var(--lk-muted);
  font-size: .92rem;
  line-height: 1.45;
}

.job-meta {
  white-space: nowrap;
  justify-self: end;
  text-align: right;
}

.job-description {
  max-width: 50rem;
  padding: 1.6rem 1.25rem 1rem;
  color: var(--lk-muted);
}

details[open] > .job-description {
  max-width: none;
}

.job-description ul { padding-left: 1.15rem; }
.job-description li { margin-bottom: .7rem; }

.education-item {
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr);
  gap: 1.75rem;
  margin: 0;
  padding: 0 0 2.25rem;
  align-items: center;
}

.education-logo {
  display: grid;
  width: 104px;
  height: 104px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: none;
  box-shadow: none;
  place-items: center;
  justify-self: center;
  align-self: center;
}

.education-logo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transform:
    translate(var(--education-logo-x, 0), var(--education-logo-y, 0))
    scale(var(--education-logo-scale, 1));
  transform-origin: center;
}

.education-logo--dalarna {
  --education-logo-scale: 1.28;
  --education-logo-y: -1px;
}
.education-logo--perugia { --education-logo-scale: 1.03; }
.education-logo--trento {
  --education-logo-scale: 1.24;
  --education-logo-x: 4px;
}

.education-copy {
  min-width: 0;
  align-self: center;
}

.skills-matrix {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--lk-gap);
}

.skill-category { padding: 0; }

.skill-category h3,
.skill-category h4 {
  min-height: 2.5em;
  margin: 0 0 1.5rem;
  color: #fff;
  font-size: clamp(1.45rem, 2.2vw, 2rem);
  font-weight: 600;
  line-height: 1.25;
}

.skill-category ul {
  display: block;
  margin: 0;
  padding: 0;
  list-style: none;
  color: #fff;
}

.skill-category li {
  padding: .8rem 0;
  border-top: 1px solid rgba(255, 255, 255, .38);
  margin: 0;
  color: #fff;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.35;
}

#skills {
  background: var(--lk-blue);
  color: #fff;
}

#skills > h2 { color: #fff; }

.preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4.5rem var(--lk-gap);
  min-width: 0;
}

.project-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--lk-gap);
  min-width: 0;
}

.project-gallery > .preview-card {
  grid-column: auto;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.project-gallery .showcase-thumb {
  width: 100%;
  min-width: 0;
  max-width: 100%;
}

.preview-card,
.project-card {
  width: 100%;
  max-width: 100%;
  min-height: 0;
  min-width: 0;
  padding: 0;
  overflow: visible;
}

.preview-video,
.preview-image,
.showcase-thumb,
.video-container,
.showcase-bridge__visual {
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.project-video-loop { border-radius: 0; }

.preview-video,
.showcase-thumb { aspect-ratio: 16 / 10; }

.preview-content { padding: 1.35rem 0 0; }

.project-gallery .preview-video,
.project-gallery .showcase-thumb {
  width: 100%;
  height: auto;
  min-height: 0;
  aspect-ratio: 16 / 9;
  flex: 0 0 auto;
  overflow: hidden;
}

.project-gallery .preview-content {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
}

.project-gallery .preview-description {
  flex: 1 1 auto;
}

.project-gallery .preview-link {
  align-self: flex-start;
  margin-top: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition:
    border-color 180ms ease,
    opacity 240ms ease,
    transform 320ms cubic-bezier(.22, 1, .36, 1),
    visibility 0s linear 320ms;
}

@media (hover: hover) and (pointer: fine) {
  .project-gallery > .preview-card:hover .preview-link,
  .project-gallery > .preview-card:focus-visible .preview-link {
    border-bottom-color: currentColor;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition-delay: 0s;
  }
}

.preview-title,
.project-card h2,
.project-card h3 {
  margin: 0 0 .75rem;
  color: var(--lk-ink);
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.2;
}

.preview-description,
.project-card p { color: var(--lk-muted); }

.preview-link {
  display: inline-flex;
  margin-top: .9rem;
  padding-bottom: .2rem;
  border-bottom: 2px solid transparent;
  color: var(--lk-blue);
  font-weight: 600;
  text-decoration: none;
}

.preview-link:hover,
.preview-link:focus-visible,
.preview-card--clickable:hover .preview-link,
.preview-card--clickable:focus-visible .preview-link {
  border-bottom-color: currentColor;
  text-decoration: none;
}

.section-action {
  margin-top: 2.5rem;
}

.section-action a {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  padding-bottom: .35rem;
  border-bottom: 1px solid currentColor;
  color: var(--lk-blue);
  font-weight: 600;
  text-decoration: none;
}

.article-index {
  display: grid;
  grid-template-columns: 1fr;
  min-width: 0;
}

.article-entry {
  display: grid;
  grid-template-columns: minmax(9rem, 1.4fr) minmax(0, 2.2fr) minmax(7rem, .8fr);
  gap: var(--lk-gap);
  padding: 2rem 0 2.4rem;
  border-top: 1px solid rgba(54, 87, 214, .22);
  align-items: start;
}

.article-entry:last-child {
  border-bottom: 1px solid rgba(54, 87, 214, .22);
}

.article-entry > h3,
.article-copy .preview-title {
  margin: 0;
  font-size: clamp(1.45rem, 2.1vw, 2rem);
  line-height: 1.12;
}

.article-entry > .project-meta,
.article-language,
.article-number,
.article-kicker {
  margin: .15rem 0 0;
  color: var(--lk-muted);
  font-size: .78rem;
  font-weight: 500;
}

.article-summary {
  grid-column: 2 / 4;
  max-width: 48rem;
}

.article-summary p:first-child { margin-top: 0; }

.article-entry .cta-secondary,
.article-entry .preview-link { margin-top: 1rem; }

.translation-list {
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.translation-list li {
  padding: 1rem 0;
  border-top: 1px solid rgba(54, 87, 214, .18);
}

.translation-list a {
  display: block;
  font-size: 1.05rem;
  font-weight: 500;
}

.translation-list span {
  display: block;
  margin-top: .3rem;
  color: var(--lk-muted);
  font-size: .92rem;
}

.article-index--compact .article-entry {
  grid-template-columns: minmax(0, 1fr);
}

.article-index--compact .article-copy { grid-column: 1; }

.page-hero {
  min-height: 70svh;
  padding-top: 10rem;
  padding-bottom: 6rem;
  align-content: center;
  background: var(--lk-paper);
}

.page-hero .section-label {
  grid-column: 1 / 4;
  align-self: start;
  margin: .6rem 0 0;
  color: var(--lk-blue);
  font-size: .84rem;
  font-weight: 600;
  text-transform: none;
}

.page-hero h1 {
  grid-column: 4 / 13;
  max-width: 11ch;
  margin: 0;
  color: var(--lk-ink);
  font-size: 6rem;
  font-weight: 600;
  line-height: .94;
}

.page-hero .lead {
  grid-column: 6 / 12;
  max-width: 44rem;
  margin: 1rem 0 0;
  color: var(--lk-muted);
  font-size: 1.2rem;
}

.page-hero .hero-actions {
  grid-column: 6 / 13;
  justify-content: flex-start;
}

.page-hero .hero-actions .cta-primary,
.page-hero .hero-actions .cta-secondary { color: var(--lk-ink); }

.page-hero.articles-page-hero,
.page-hero.project-page-hero {
  min-height: auto;
  padding-block: clamp(7.5rem, 10vw, 9rem) clamp(3.5rem, 5vw, 5rem);
}

.publication-section.articles-primary-section {
  padding-top: clamp(2.5rem, 4vw, 4rem);
  padding-bottom: 1rem;
}

.publication-section.articles-secondary-section {
  padding-top: 1rem;
}

.project-page-hero + .project-evidence {
  padding-top: clamp(2.5rem, 4vw, 4rem);
}

.main-wrapper > .project-card,
.main-wrapper > #climate-journalism,
.main-wrapper > #medium-articles {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--lk-gap);
  row-gap: 1.5rem;
  width: 100%;
  margin: 0 !important;
  padding: 7rem var(--lk-gutter);
}

.main-wrapper > .project-card:nth-of-type(even),
.main-wrapper > #medium-articles { background: var(--lk-paper); }

.main-wrapper > .project-card > h2,
.main-wrapper > .project-card > .project-meta,
.main-wrapper > #climate-journalism > h2,
.main-wrapper > #medium-articles > h2 {
  grid-column: 1 / 5;
  align-self: start;
}

.main-wrapper > .project-card > h2,
.main-wrapper > #climate-journalism > h2,
.main-wrapper > #medium-articles > h2 {
  margin: 0 !important;
  font-size: 3.2rem;
  line-height: 1;
}

.main-wrapper > .project-card > .lead,
.main-wrapper > .project-card > .video-container,
.main-wrapper > .project-card > div,
.main-wrapper > #climate-journalism > .article-index,
.main-wrapper > #medium-articles > .lead,
.main-wrapper > #medium-articles > .article-index { grid-column: 5 / 13; }

.main-wrapper > #climate-journalism > .article-index,
.main-wrapper > #medium-articles > .article-index {
  width: 100%;
  margin: 0;
  padding: 0;
}

.main-wrapper > #medium-articles > .lead { margin: 0 0 1.5rem; }

#video1 div[style*="background"] {
  padding: 0 !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
}

.project-group {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 3rem var(--lk-gap);
  width: 100%;
  margin: 0;
  padding: 7rem var(--lk-gutter);
}

.project-group:nth-child(even) { background: var(--lk-paper); }
.project-group-title { grid-column: 1 / 4; margin: 0; font-size: 3rem; }
.project-group > .project-card { grid-column: 4 / 13; }

.project-card {
  margin: 0 0 4rem;
  padding: 0;
}

.project-card--feature,
.showcase-bridge {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: var(--lk-gap);
  align-items: start;
}

.showcase-bridge__copy { grid-column: 1 / 4; }
.showcase-bridge__visual { grid-column: 4 / 9; }

.contact-page-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4rem var(--lk-gap);
}

.contact-minimal-item {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.contact-icon-small { color: var(--lk-blue); }

/* Supporting pages: one grid, two colours, no decorative metadata rails. */
.page-hero {
  text-align: left;
}

.page-hero h1 {
  grid-column: 1 / 7;
  max-width: 9ch;
  font-size: clamp(4.8rem, 7.4vw, 7rem);
  text-wrap: balance;
  text-align: left;
}

.page-hero .lead {
  grid-column: 7 / 13;
  align-self: end;
  max-width: 34rem;
  margin: 0 0 .65rem;
  text-wrap: pretty;
  text-align: left;
}

.page-hero .hero-actions {
  grid-column: 7 / 13;
  margin-top: .8rem;
}

.articles-page-hero .lead,
.references-page-hero .lead {
  grid-column: 8 / 13;
}

.contact-page-hero .lead {
  align-self: center;
  margin-bottom: 0;
}

@media (max-width: 960px) {
  .page-hero h1 {
    grid-column: 1 / 13;
    grid-row: 1;
    max-width: 11ch;
  }

  .page-hero .lead {
    grid-column: 1 / 9;
    grid-row: 2;
    align-self: start;
    margin: 1.5rem 0 0;
  }

  .page-hero .hero-actions {
    grid-column: 1 / 9;
    grid-row: 3;
  }
}

.publication-section,
.project-evidence,
.project-era,
.reference-preview-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--lk-gap);
  width: 100%;
  padding: 7rem var(--lk-gutter);
  background: var(--lk-paper);
}

.publication-section > h2 {
  grid-column: 1 / 5;
  max-width: 8ch;
  margin: 0;
  font-size: clamp(2.8rem, 4.5vw, 4.5rem);
  font-weight: 600;
  line-height: .98;
  text-wrap: balance;
}

.publication-list {
  grid-column: 5 / 13;
  min-width: 0;
}

.publication-record {
  display: grid;
  grid-template-columns: minmax(14rem, 3fr) minmax(0, 4fr);
  gap: var(--lk-gap);
  padding: 2.25rem 0 3rem;
  border-top: 1px solid rgba(54, 87, 214, .3);
  align-items: start;
}

.publication-record:last-child {
  border-bottom: 1px solid rgba(54, 87, 214, .3);
}

.publication-record h3 {
  margin: 0;
  font-size: clamp(1.5rem, 2.2vw, 2.25rem);
  font-weight: 600;
  line-height: 1.08;
  overflow-wrap: anywhere;
  text-wrap: pretty;
}

.publication-copy {
  min-width: 0;
  max-width: 43rem;
}

.publication-copy > p:first-child { margin-top: 0; }

.publication-copy .cta-secondary,
.publication-copy .preview-link { margin-top: .9rem; }

.translation-ledger {
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.translation-ledger li {
  padding: 1.25rem 0;
  border-top: 1px solid rgba(54, 87, 214, .22);
}

.translation-ledger a {
  display: inline;
  font-size: 1rem;
  font-weight: 600;
}

.translation-ledger span {
  display: block;
  max-width: 38rem;
  margin-top: .35rem;
  color: var(--lk-muted);
  font-size: .94rem;
}

.project-evidence {
  grid-template-columns: repeat(12, minmax(0, 1fr));
  align-items: start;
  border-top: 1px solid rgba(54, 87, 214, .22);
}

.project-heading {
  grid-column: 1 / 5;
  position: sticky;
  top: 7rem;
  min-width: 0;
}

.project-heading h2 {
  margin: 0;
  font-size: clamp(2.6rem, 4.15vw, 4.2rem);
  font-weight: 600;
  line-height: .98;
  overflow-wrap: anywhere;
  text-wrap: balance;
}

.project-heading .lead {
  max-width: 24rem;
  margin: 1.25rem 0 0;
  color: var(--lk-muted);
  font-size: 1.05rem;
  line-height: 1.45;
}

.project-proof {
  grid-column: 5 / 13;
  min-width: 0;
  max-width: 58rem;
}

.project-proof > p {
  max-width: 48rem;
  margin: 1.6rem 0 0;
}

.project-proof > p:first-child { margin-top: 0; }

.project-proof .video-container {
  width: 100%;
  margin: 0;
}

.project-proof-image {
  display: block;
  width: min(100%, 34rem);
  height: auto;
  margin: 0;
}

.project-evidence--website .showcase-bridge {
  display: grid;
  grid-template-columns: minmax(14rem, 2fr) minmax(0, 6fr);
  gap: var(--lk-gap);
  width: 100%;
  min-width: 0;
  overflow: hidden;
  background: transparent;
  color: inherit;
  text-decoration: none;
}

.project-evidence--website {
  background: #3657d6;
  color: #fff;
}

.project-evidence--website .project-heading,
.project-evidence--website .showcase-bridge__copy,
.project-evidence--website .showcase-bridge__copy .lead,
.project-evidence--website .preview-link {
  color: #fff;
}

.project-evidence--website .project-heading h2,
.project-evidence--website .showcase-bridge__copy h3,
.project-evidence--website .showcase-bridge__copy p {
  color: #fff;
}

.project-evidence--website .showcase-bridge__copy,
.project-evidence--website .showcase-bridge__copy:visited {
  color: #fff;
  text-decoration: none;
}

.project-evidence--website .showcase-bridge__copy {
  grid-column: 1;
  min-width: 0;
}

.project-evidence--website .showcase-bridge__visual {
  grid-column: 2;
  min-width: 0;
}

.project-evidence--website .showcase-bridge__visual .showcase-thumb {
  width: 100%;
  max-width: none;
  min-height: clamp(22rem, 34vw, 30rem);
}

.project-evidence--website .showcase-bridge__visual .mini-cylinder-wrap {
  width: clamp(15rem, 50%, 21rem);
}

.project-era {
  padding-bottom: 2rem;
  border-top: 1px solid rgba(54, 87, 214, .22);
}

.project-era-title {
  grid-column: 1 / 13;
  margin: 0;
  font-size: clamp(3.2rem, 6vw, 6rem);
  font-weight: 600;
  line-height: .95;
}

.project-credits {
  max-width: 48rem;
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(54, 87, 214, .22);
  color: var(--lk-muted);
}

.project-credits p { margin: .5rem 0 0; }

.references-page-hero h1 { max-width: 10ch; }

.reference-preview-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.5rem, 3vw, 3.5rem);
  padding-top: 2rem;
}

.reference-document {
  position: relative;
  min-width: 0;
  transform-origin: top left;
}

.reference-document-button {
  position: relative;
  display: grid;
  width: 100%;
  gap: 1.25rem;
  padding: clamp(.75rem, 1.6vw, 1.15rem);
  border: 0;
  background: transparent;
  color: var(--lk-blue);
  font: inherit;
  text-align: left;
  text-decoration: none;
  cursor: zoom-in;
}

.reference-document-orbit {
  position: absolute;
  inset: 0;
  z-index: 0;
  border: 1px solid rgba(54, 87, 214, .18);
  border-radius: 1.15rem;
  background: rgba(255, 255, 255, .5);
  box-shadow: 0 24px 62px rgba(54, 87, 214, .1);
  transition: border-color 220ms ease, box-shadow 220ms ease, transform 220ms ease;
}

.reference-document-button img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(54, 87, 214, .14);
  border-radius: .7rem;
  background: #fff;
}

.reference-document-title {
  position: relative;
  z-index: 1;
  padding: 0 .35rem .2rem;
  font-size: clamp(1.35rem, 2vw, 2rem);
  font-weight: 600;
  line-height: 1.05;
}

.reference-document-button:hover .reference-document-orbit,
.reference-document-button:focus-visible .reference-document-orbit {
  border-color: var(--lk-blue);
  box-shadow: 0 28px 68px rgba(54, 87, 214, .18);
  transform: translateY(-4px);
}

.reference-document-button:focus-visible {
  outline: 3px solid var(--lk-blue);
  outline-offset: 5px;
  border-radius: 1.15rem;
}

.reference-preview-grid[data-expanded-reference]:not([data-expanded-reference=""]) .reference-document {
  order: 2;
}

.reference-preview-grid[data-expanded-reference]:not([data-expanded-reference=""]) .reference-document[data-expanded="true"] {
  grid-column: 1 / -1;
  order: 1;
  width: min(72%, 54rem);
  justify-self: center;
}

.reference-document[data-expanded="true"] .reference-document-button {
  cursor: zoom-out;
}

.reference-pdf-link {
  display: block;
  width: fit-content;
  max-height: 0;
  margin: 0 auto;
  overflow: hidden;
  border-bottom: 2px solid transparent;
  opacity: 0;
  color: var(--lk-blue);
  font-weight: 600;
  text-decoration: none;
  transform: translateY(-.5rem);
  transition: max-height 320ms ease, margin 320ms ease, opacity 240ms ease, transform 320ms ease, border-color 180ms ease;
}

.reference-document[data-expanded="true"] .reference-pdf-link {
  max-height: 3rem;
  margin-top: 1.25rem;
  opacity: 1;
  transform: translateY(0);
}

.reference-pdf-link:hover,
.reference-pdf-link:focus-visible {
  border-bottom-color: currentColor;
}

.contact-page-hero h1 { max-width: 10ch; }

.route-contact {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
  background: var(--lk-blue);
}

.route-contact > main {
  flex: 1 0 auto;
  background: var(--lk-paper);
}

.contact-page-hero .hero-actions {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: var(--lk-gap);
  width: 100%;
}

.contact-page-hero .hero-actions .cta-primary,
.contact-page-hero .hero-actions .cta-secondary {
  position: relative;
  display: block;
  width: 100%;
  min-width: 0;
  min-height: 3.25rem;
  padding: 0;
  overflow: visible;
  border: 0;
  border-radius: 12px;
  background: transparent;
  font-weight: 600;
  line-height: 1;
  isolation: isolate;
  transition: transform 240ms cubic-bezier(.22, 1, .36, 1);
}

.contact-page-hero .hero-actions a {
  border-radius: 12px;
}

.contact-action-layer,
.contact-action-face {
  position: absolute;
  border: 1px solid var(--lk-blue);
  border-radius: 12px;
}

.contact-action-layer {
  inset: 4px -4px -4px 4px;
  z-index: 0;
  background: var(--lk-blue);
  transition: transform 240ms cubic-bezier(.22, 1, .36, 1);
}

.contact-action-face {
  inset: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: .8rem 1.15rem;
  background: #fff;
  transition: transform 240ms cubic-bezier(.22, 1, .36, 1), background 180ms ease;
}

.contact-page-hero .cta-secondary .contact-action-layer {
  background: #fff;
}

.contact-page-hero .cta-secondary .contact-action-face {
  background: var(--lk-blue);
}

.contact-action-copy {
  position: relative;
  z-index: 2;
  white-space: nowrap;
  color: var(--lk-blue);
  font-size: clamp(.9rem, 1vw, 1rem);
  font-weight: 600;
  letter-spacing: .01em;
  transition: transform 240ms cubic-bezier(.22, 1, .36, 1);
}

.contact-page-hero .cta-secondary .contact-action-copy {
  color: #fff;
}

.contact-page-hero .hero-actions a:hover,
.contact-page-hero .hero-actions a:focus-visible {
  outline: none;
  transform: translateY(-1px);
}

.contact-page-hero .hero-actions a:hover .contact-action-layer,
.contact-page-hero .hero-actions a:focus-visible .contact-action-layer {
  transform: translate(2px, 2px);
}

.contact-page-hero .hero-actions a:hover .contact-action-face,
.contact-page-hero .hero-actions a:focus-visible .contact-action-face,
.contact-page-hero .hero-actions a:hover .contact-action-copy,
.contact-page-hero .hero-actions a:focus-visible .contact-action-copy {
  transform: translateY(-1px);
}

@media (prefers-reduced-motion: reduce) {
  .contact-page-hero .hero-actions a,
  .contact-action-layer,
  .contact-action-face,
  .contact-action-copy {
    transition: none !important;
  }

  .contact-page-hero .hero-actions a:hover,
  .contact-page-hero .hero-actions a:focus-visible,
  .contact-page-hero .hero-actions a:hover .contact-action-layer,
  .contact-page-hero .hero-actions a:focus-visible .contact-action-layer,
  .contact-page-hero .hero-actions a:hover .contact-action-face,
  .contact-page-hero .hero-actions a:focus-visible .contact-action-face,
  .contact-page-hero .hero-actions a:hover .contact-action-copy,
  .contact-page-hero .hero-actions a:focus-visible .contact-action-copy {
    transform: none;
  }
}

.contact-page-section > h2 {
  font-size: clamp(3rem, 5.2vw, 5rem);
}

.contact-route-list {
  grid-column: 5 / 13;
  min-width: 0;
}

.contact-route {
  display: grid;
  grid-template-columns: minmax(12rem, 2fr) minmax(0, 4fr);
  gap: var(--lk-gap);
  padding: 2.25rem 0 3rem;
  border-top: 1px solid rgba(54, 87, 214, .3);
  align-items: start;
}

.contact-route:last-child {
  border-bottom: 1px solid rgba(54, 87, 214, .3);
}

.contact-route > h3 {
  margin: 0;
  font-size: clamp(1.6rem, 2.2vw, 2.25rem);
  line-height: 1.05;
}

.contact-route__body {
  min-width: 0;
  max-width: 40rem;
}

.contact-route__body > p:first-child,
.contact-route__body .showcase-bridge__copy > p:first-of-type { margin-top: 0; }

.contact-minimal-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  margin-top: 1.5rem;
}

.contact-minimal-item {
  display: inline-flex;
  gap: .55rem;
  align-items: baseline;
  padding-bottom: .25rem;
  border-bottom: 2px solid transparent;
  color: var(--lk-blue);
  font-weight: 600;
  text-decoration: none;
}

.contact-minimal-item:hover,
.contact-minimal-item:focus-visible { border-bottom-color: currentColor; }

.contact-route--website .showcase-bridge__copy h3 { display: none; }
.contact-route--website .showcase-bridge__visual { margin-top: 2.5rem; }

.site-footer {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-template-rows: auto 1fr;
  gap: var(--lk-gap);
  width: 100%;
  max-width: none;
  min-height: clamp(10rem, 14vw, 12rem);
  margin: 0;
  padding: 2.5rem var(--lk-gutter) 3rem;
  background: var(--lk-blue);
  color: #fff;
}

.footer-links {
  grid-column: 8 / 13;
  grid-row: 2;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-self: end;
  gap: 1rem 2rem;
}

.footer-links a {
  padding-bottom: .2rem;
  border-bottom: 2px solid transparent;
  text-decoration: none;
}

.footer-links a:hover,
.footer-links a:focus-visible { border-bottom-color: currentColor; }

.site-footer a { color: #fff; }

@keyframes lk-title-enter {
  from { opacity: 0; transform: translateY(44px); filter: blur(5px); }
  to { opacity: 1; transform: translateY(0); filter: blur(0); }
}

@keyframes lk-image-enter {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes lk-copy-enter {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes experience-wheel {
  0% {
    transform: perspective(900px) rotateX(-10deg) scale(.94);
  }

  35% {
    transform: perspective(900px) rotateX(-3deg) scale(.985);
  }

  50% {
    transform: perspective(900px) rotateX(0) scale(1.035);
  }

  65% {
    transform: perspective(900px) rotateX(3deg) scale(.985);
  }

  100% {
    transform: perspective(900px) rotateX(10deg) scale(.94);
  }
}

@supports (animation-timeline: view()) {
  #experience { perspective: 900px; }

  #experience > details.experience-item:not([open]) {
    animation: experience-wheel linear both;
    animation-timeline: view(block);
    animation-range: entry 5% exit 95%;
    transform-origin: center;
    transform-style: preserve-3d;
  }
}

@media (hover: hover) and (pointer: fine) {
  details.experience-item:not([open]):has(.job-summary:hover),
  details.experience-item:not([open]):has(.job-summary:focus-visible) {
    scale: 1.018;
  }

  details.experience-item:not([open]):has(.job-summary:hover)::before,
  details.experience-item:not([open]):has(.job-summary:focus-visible)::before {
    opacity: 1;
  }
}

@media (max-width: 1100px) {
  .job-summary {
    grid-template-columns: minmax(0, 1fr) 26px;
    gap: .65rem 1rem;
  }

  .job-summary .job-meta {
    grid-column: 1;
    margin-top: .2rem;
    justify-self: start;
    text-align: left;
    white-space: normal;
    overflow-wrap: anywhere;
  }

  .job-summary::after {
    grid-column: 2;
    grid-row: 1 / span 2;
  }
}

@media (max-width: 1020px) {
  :root { --lk-gap: 20px; --lk-gutter: 28px; }
  .hero-title { font-size: 5.5rem; }
  .content-section > h2 { font-size: 3.7rem; }
  .page-hero h1 { font-size: 4.8rem; }
}

@media (max-width: 768px) {
  :root { --lk-gap: 16px; --lk-gutter: 20px; }

  body { padding-bottom: 88px; }

  .site-header {
    inset: auto 14px 18px;
    width: auto;
    height: 52px;
    padding: 0;
    transform: none;
  }

  .header-content {
    gap: 0;
    padding: 0 16px;
    justify-content: center;
  }

  .logo { display: none; }
  .main-nav .nav-mobile-only { display: inline-flex; }
  .nav-desktop-only { display: none !important; }

  .main-nav {
    position: static;
    inset: auto;
    flex: 1 1 auto;
    width: 100%;
    height: auto;
    justify-content: space-between;
    align-items: center;
    flex-direction: row;
    gap: clamp(.55rem, 3.2vw, 1rem);
    padding: 0;
    border: 0;
    background: transparent;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
    transition: none;
    overflow: visible;
  }

  .main-nav a,
  .main-nav a[href="https://websites.lucakosowski.com/"] { flex: 0 0 auto; font-size: .68rem; }

  .hero-section { min-height: auto; padding: 5.5rem var(--lk-gutter) 7rem; }
  .hero-content { display: block; }
  .profile-image { width: min(100%, 340px); aspect-ratio: 4 / 5; margin-bottom: 2rem; }
  .hero-title { font-size: 3.7rem; line-height: .96; }
  .hero-lead { margin-top: 1.25rem; font-size: 1.08rem; }
  .hero-actions { gap: 1.3rem; margin-top: 1.5rem; }
  .hero-actions .cta-primary,
  .hero-actions .cta-secondary { width: auto; max-width: none; }
  .contact-page-hero .hero-actions { grid-template-columns: 1fr; width: 100%; }
  .contact-page-hero .hero-actions .cta-primary,
  .contact-page-hero .hero-actions .cta-secondary { width: 100%; min-width: 0; }

  .content-section,
  .page-hero { display: block; padding: 5.5rem var(--lk-gutter); }

  .content-section > h2 { margin-bottom: 2.5rem; font-size: 3.2rem; }
  .section-intro { margin-bottom: 3rem; font-size: 1.08rem; }

  details.experience-item { --role-pill-radius: 22px !important; }
  .job-summary { grid-template-columns: 1fr 26px; gap: .9rem; }
  .job-summary .job-meta {
    grid-column: 1;
    margin-top: .6rem;
    justify-self: start;
    text-align: left;
    white-space: normal;
  }
  .job-summary::after { grid-column: 2; grid-row: 1; }
  .job-description { padding-top: 1.5rem; }

  .skill-category h3,
  .skill-category h4 { min-height: 0; }

  .skills-matrix,
  .preview-grid,
  .contact-page-grid { grid-template-columns: 1fr; gap: 3.5rem; }

  .education-item {
    grid-template-columns: 78px minmax(0, 1fr);
    gap: 1.25rem;
  }

  .education-logo {
    width: 78px;
    height: 78px;
    padding: 0;
  }

  .education-copy .job-title,
  .education-copy .job-meta {
    min-width: 0;
    max-width: 100%;
  }

  .education-copy .job-meta {
    white-space: normal;
    overflow-wrap: break-word;
  }

  .project-gallery {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
  }

  .project-gallery > .preview-card {
    grid-column: 1;
    display: flex;
  }

  .project-gallery > .preview-card.is-project-action-visible .preview-link {
    border-bottom-color: currentColor;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition-delay: 0s;
  }

  .article-entry,
  .article-index--compact .article-entry {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .article-entry > h3,
  .article-summary,
  .article-index--compact .article-copy {
    grid-column: 1;
  }

  .preview-grid,
  .preview-card,
  .preview-content,
  .preview-video,
  .preview-video-frame,
  .showcase-thumb { width: 100%; max-width: 100%; min-width: 0; }

  .preview-card { overflow: hidden; }

  .page-hero { min-height: auto; padding-top: 8rem; }
  .page-hero .section-label { margin-bottom: 2rem; }
  .page-hero h1 { max-width: none; font-size: 3.7rem; }
  .page-hero .lead { margin-top: 2rem; font-size: 1.08rem; }

  .publication-section,
  .project-evidence,
  .project-era,
  .reference-preview-grid {
    display: block;
    padding: 5rem var(--lk-gutter);
  }

  .publication-section > h2,
  .project-heading,
  .project-era-title {
    position: static;
    max-width: none;
    margin-bottom: 3rem;
  }

  .publication-record,
  .contact-route {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .publication-record h3,
  .contact-route > h3 { max-width: 22ch; }

  .project-proof { max-width: none; }
  .project-proof-image { width: min(100%, 30rem); }

  .project-evidence--website .showcase-bridge {
    grid-template-columns: minmax(0, 1fr);
    gap: 2.5rem;
  }

  .project-evidence--website .showcase-bridge__copy,
  .project-evidence--website .showcase-bridge__visual { grid-column: 1; }

  .project-evidence--website .showcase-bridge__visual .showcase-thumb {
    min-height: clamp(20rem, 72vw, 27rem);
  }

  .reference-preview-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }
  .reference-preview-grid[data-expanded-reference]:not([data-expanded-reference=""]) .reference-document[data-expanded="true"] {
    width: 100%;
  }

  .contact-route-list { width: 100%; }
  .contact-route__body { max-width: none; }

  .project-group { display: block; padding: 5rem var(--lk-gutter); }
  .project-group-title { margin-bottom: 3rem; font-size: 2.5rem; }

  .main-wrapper > .project-card,
  .main-wrapper > #climate-journalism,
  .main-wrapper > #medium-articles {
    display: block;
    padding: 5rem var(--lk-gutter);
  }

  .main-wrapper > .project-card > h2,
  .main-wrapper > #climate-journalism > h2,
  .main-wrapper > #medium-articles > h2 { margin-bottom: 2.5rem !important; font-size: 2.5rem; }

  .project-card--feature,
  .showcase-bridge { display: block; }
  .showcase-bridge__copy { margin-bottom: 2.5rem; }

  .site-footer {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-rows: 1fr auto;
    min-height: 13rem;
    padding: 2rem var(--lk-gutter) 6rem;
  }

  .footer-links {
    grid-column: 1 / -1;
    grid-row: 2;
    display: grid;
    grid-template-columns: 1fr;
    justify-items: start;
    text-align: left;
    align-self: end;
    gap: 1rem;
  }

  .footer-links a { width: max-content; }
}

@media (max-width: 420px) {
  .hero-title,
  .page-hero h1 { font-size: 3.15rem; }
}

@media (max-width: 360px) {
  .header-content { padding-inline: 10px; }
  .main-nav { gap: .45rem; }
  .main-nav a,
  .main-nav a[href="https://websites.lucakosowski.com/"] { font-size: .58rem; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

/* Route-specific spacing controls intentionally sit last to outrank legacy ID rules. */
.main-wrapper > #climate-journalism.articles-primary-section {
  padding-top: clamp(2.5rem, 4vw, 4rem);
  padding-bottom: 0;
}

.main-wrapper > #medium-articles.articles-secondary-section {
  padding-top: 0;
}