:root {
  --color-bg: oklch(1 0 0);
  --color-surface: oklch(0.975 0 0);
  --color-ink: oklch(0.15 0.006 45.9);
  --color-muted: oklch(0.46 0.008 45.9);
  --color-line: oklch(0.86 0.004 45.9);
  --color-line-strong: oklch(0.61 0.006 45.9);
  --color-primary: oklch(0.568 0.149 45.9);
  --color-primary-deep: oklch(0.43 0.13 45.9);
  --color-success: oklch(0.49 0.12 145);
  --font-serif: Georgia, "Times New Roman", serif;
  --font-sans: Arial, Helvetica, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --container: 74rem;
  --page-gutter: clamp(1.25rem, 4vw, 4rem);
  --space-section: clamp(4.5rem, 9vw, 8rem);
  --transition: 160ms cubic-bezier(0.25, 1, 0.5, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  min-width: 20rem;
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
}

button,
input {
  color: inherit;
  font: inherit;
}

button {
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.25em;
}

a:hover {
  color: var(--color-primary-deep);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
}

::selection {
  background: oklch(0.9 0.05 45.9);
  color: var(--color-ink);
}

.container {
  width: min(calc(100% - (var(--page-gutter) * 2)), var(--container));
  margin-inline: auto;
}

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

.skip-link {
  position: fixed;
  z-index: 10;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.65rem 0.85rem;
  background: var(--color-ink);
  color: var(--color-bg);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  transform: translateY(-160%);
  transition: transform var(--transition);
}

.skip-link:focus {
  color: var(--color-bg);
  transform: translateY(0);
}

.site-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  min-height: 9.5rem;
  padding-block: 2.5rem 2rem;
  border-bottom: 1px solid var(--color-line-strong);
}

.identity {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.15rem;
  text-decoration: none;
}

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

.identity__name {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.65rem);
  line-height: 1.05;
  letter-spacing: -0.025em;
}

.identity__tagline {
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: clamp(0.7rem, 1.3vw, 0.82rem);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.4rem clamp(1rem, 2.5vw, 2rem);
  font-size: 0.9rem;
}

.site-nav a {
  position: relative;
  display: inline-flex;
  min-height: 2.75rem;
  min-width: 2.75rem;
  align-items: center;
  padding-block: 0.3rem;
  text-decoration: none;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.site-nav a.is-current::after {
  transform: scaleX(1);
  transform-origin: left;
}

.projects-section {
  padding-top: clamp(3.5rem, 7vw, 6rem);
}

.section-intro {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.section-intro h1,
.closing-grid h2 {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.93rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1.4;
  text-transform: uppercase;
}

.section-intro h1 span,
.closing-grid h2 span {
  color: var(--color-primary);
}

.section-intro p {
  max-width: 48rem;
  margin: 0.65rem 0 0;
  color: var(--color-muted);
}

.section-intro .project-count {
  flex: 0 0 auto;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.project-scopes {
  display: flex;
  gap: clamp(1.5rem, 4vw, 3rem);
  border-bottom: 1px solid var(--color-line-strong);
}

.project-scope-button {
  display: inline-flex;
  align-items: baseline;
  gap: 0.55rem;
  padding: 0 0 0.8rem;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--color-muted);
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  line-height: 1.2;
  min-height: 2.75rem;
  transition:
    border-color var(--transition),
    color var(--transition);
}

.project-scope-button:hover {
  color: var(--color-primary-deep);
}

.project-scope-button[aria-pressed="true"] {
  border-bottom-color: var(--color-ink);
  color: var(--color-ink);
}

.project-scope-count {
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.project-tools {
  display: grid;
  grid-template-columns: minmax(15rem, 0.8fr) minmax(0, 1.8fr);
  gap: 1.5rem 2rem;
  align-items: center;
  padding-block: 1rem;
  border-bottom: 1px solid var(--color-line-strong);
}

.search-field {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  border-bottom: 1px solid var(--color-line);
}

.search-field:focus-within {
  border-bottom-color: var(--color-primary);
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
}

.search-field svg {
  width: 1rem;
  height: 1rem;
  flex: 0 0 auto;
  fill: none;
  stroke: var(--color-muted);
  stroke-linecap: round;
  stroke-width: 1.5;
}

.search-field input {
  width: 100%;
  min-height: 2.75rem;
  padding: 0.55rem 0;
  border: 0;
  outline: 0;
  background: transparent;
  font-size: 0.88rem;
}

.search-field input::placeholder {
  color: var(--color-muted);
  opacity: 1;
}

.tag-filters {
  display: grid;
  gap: 0.4rem;
}

.tag-filter-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.4rem;
}

.tag-filter-secondary {
  padding-top: 0.4rem;
  border-top: 1px solid var(--color-line);
}

.tag-filter-secondary[hidden] {
  display: none;
}

.filter-button {
  min-height: 2.75rem;
  min-width: 2.75rem;
  padding: 0.48rem 0.68rem;
  border: 1px solid transparent;
  background: transparent;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1;
  transition:
    border-color var(--transition),
    background-color var(--transition),
    color var(--transition);
}

.filter-button:hover {
  border-color: var(--color-line-strong);
  color: var(--color-primary-deep);
}

.filter-button[aria-pressed="true"] {
  border-color: var(--color-ink);
  background: var(--color-ink);
  color: var(--color-bg);
}

.filter-button--other[aria-expanded="true"] {
  border-color: var(--color-line-strong);
}

.project-row {
  display: grid;
  grid-template-columns: 2.4rem minmax(15rem, 0.8fr) minmax(25rem, 1.2fr);
  gap: clamp(1rem, 2.5vw, 2.5rem);
  align-items: start;
  padding-block: clamp(2rem, 5vw, 4rem);
  border-bottom: 1px solid var(--color-line);
}

.project-number {
  margin: 0.35rem 0 0;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.project-copy {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  align-items: flex-start;
}

.project-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 0.75rem;
}

.project-heading h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.55rem, 2.5vw, 2.15rem);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.1;
  text-wrap: balance;
}

.status {
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

.status--active {
  color: var(--color-success);
}

.status--in-progress {
  color: var(--color-primary-deep);
}

.project-description {
  max-width: 36rem;
  margin: 1rem 0 0;
  text-wrap: pretty;
}

.project-tags {
  margin: 1.5rem 0 0;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.7;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin-top: auto;
  min-height: 2.75rem;
  padding-top: 1.75rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  text-decoration-line: underline;
}

.project-link .arrow {
  order: -1;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  text-decoration: none;
  transition: transform var(--transition);
}

.project-link:hover .arrow {
  transform: translateX(0.2rem);
}

.project-preview {
  display: grid;
  min-height: 12rem;
  aspect-ratio: 16 / 9;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: 4px;
  background: var(--color-surface);
  place-items: center;
}

.project-preview img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform var(--transition);
}

.project-preview-placeholder,
.gallery-placeholder {
  margin: 0;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
}

.project-row:hover .project-preview img {
  transform: scale(1.008);
}

.professional-timeline {
  border-bottom: 1px solid var(--color-line);
}

.professional-project {
  display: grid;
  grid-template-columns: minmax(7.5rem, 0.23fr) 1.5rem minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 2.5rem);
}

.professional-period {
  margin: 0;
  padding-top: clamp(2.6rem, 5vw, 4rem);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  line-height: 1.4;
}

.professional-rail {
  position: relative;
}

.professional-rail::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: var(--color-line);
  content: "";
}

.professional-rail::after {
  position: absolute;
  top: clamp(2.85rem, 5vw, 4.25rem);
  left: 50%;
  width: 0.55rem;
  height: 0.55rem;
  border: 1px solid var(--color-ink);
  background: var(--color-bg);
  content: "";
  transform: translateX(-50%);
}

.professional-project:first-child .professional-rail::after {
  border-color: var(--color-primary);
  background: var(--color-primary);
}

.professional-project-copy {
  padding-block: clamp(2.5rem, 5vw, 4rem);
  border-bottom: 1px solid var(--color-line);
}

.professional-project:last-child .professional-project-copy {
  border-bottom: 0;
}

.professional-project-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.45rem 0.8rem;
}

.professional-project-heading h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.55rem, 3vw, 2.35rem);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.1;
  text-wrap: balance;
}

.professional-organization {
  margin: 0.55rem 0 0;
  color: var(--color-muted);
  font-size: 0.88rem;
}

.professional-role {
  margin: 0.25rem 0 0;
  color: var(--color-primary-deep);
  font-family: var(--font-mono);
  font-size: 0.74rem;
}

.professional-description,
.professional-focus {
  max-width: 67ch;
  text-wrap: pretty;
}

.professional-description {
  margin: 1.2rem 0 0;
  font-size: 1.03rem;
}

.professional-focus {
  margin: 0.7rem 0 0;
  color: var(--color-muted);
}

.professional-focus strong {
  color: var(--color-ink);
  font-weight: 600;
}

.mentioned-projects {
  display: grid;
  grid-template-columns: minmax(10rem, 0.35fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 6rem);
  padding-block: clamp(3rem, 7vw, 5.5rem);
  border-bottom: 1px solid var(--color-line);
}

.mentioned-projects-heading h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.55rem, 2.5vw, 2.15rem);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.1;
}

.mentioned-projects-heading p {
  margin: 0.65rem 0 0;
  color: var(--color-muted);
  font-size: 0.88rem;
}

.mentioned-project-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.mentioned-project-list li {
  padding-block: 1.35rem;
  border-top: 1px solid var(--color-line);
}

.mentioned-project-list li:first-child {
  padding-top: 0;
  border-top: 0;
}

.mentioned-project-description,
.mentioned-project-stack {
  max-width: 70ch;
  margin: 0;
  text-wrap: pretty;
}

.mentioned-project-description strong {
  font-family: var(--font-serif);
  font-size: 1.08rem;
  font-weight: 400;
}

.mentioned-project-stack {
  margin-top: 0.35rem;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.mentioned-project-stack strong {
  color: var(--color-ink);
}

.empty-state,
.error-state {
  padding-block: 5rem;
  text-align: center;
}

.empty-state p,
.error-state p {
  color: var(--color-muted);
}

.error-state h2 {
  font-family: var(--font-serif);
  font-weight: 400;
}

.text-button {
  min-height: 2.75rem;
  padding: 0;
  border: 0;
  border-bottom: 1px solid currentColor;
  background: none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.closing-grid {
  display: grid;
  grid-template-columns: minmax(16rem, 0.7fr) minmax(0, 1.3fr);
  margin-top: var(--space-section);
  border-top: 1px solid var(--color-line-strong);
  border-bottom: 1px solid var(--color-line-strong);
}

.closing-grid article {
  padding: clamp(2rem, 4vw, 3.5rem);
}

.closing-grid article:first-child {
  padding-left: 0;
  border-right: 1px solid var(--color-line);
}

.closing-grid article:last-child {
  padding-right: 0;
}

.closing-grid p {
  max-width: 35rem;
  margin: 1.25rem 0 0;
}

.skill-groups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem clamp(1.5rem, 3vw, 3rem);
  margin-top: 1.5rem;
}

.skill-groups section {
  padding-top: 1rem;
  border-top: 1px solid var(--color-line);
}

.skill-groups h3 {
  margin: 0 0 0.75rem;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
}

.closing-grid .skill-groups p {
  margin: 0.35rem 0 0;
  color: var(--color-muted);
  font-size: 0.82rem;
  line-height: 1.55;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1.5rem;
  min-height: 8rem;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.site-footer a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
}

.noscript-message {
  margin: 0;
  padding: 1rem var(--page-gutter);
  background: var(--color-ink);
  color: var(--color-bg);
  text-align: center;
}

/* Project detail */

.project-page {
  min-height: 65vh;
  padding-block: clamp(2.5rem, 6vw, 5rem) var(--space-section);
}

.back-link {
  display: inline-block;
  margin-bottom: clamp(3rem, 7vw, 6rem);
  font-family: var(--font-mono);
  font-size: 0.76rem;
}

.project-detail-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(17rem, 0.55fr);
  column-gap: 4rem;
  align-items: end;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.project-detail-meta {
  grid-column: 1 / -1;
  margin: 0 0 1rem;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.project-detail-header h1 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 0.95;
  overflow-wrap: anywhere;
}

.project-detail-summary {
  max-width: 36rem;
  margin: 0 0 0.2rem;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.55;
  text-wrap: pretty;
}

.project-detail-header .project-tags {
  grid-column: 2;
}

.project-gallery {
  display: grid;
  min-height: clamp(14rem, 44vw, 35rem);
  padding-block: clamp(1rem, 3vw, 2rem);
  border-top: 1px solid var(--color-line-strong);
  border-bottom: 1px solid var(--color-line-strong);
  place-items: center;
}

.gallery-main {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--color-line);
  border-radius: 4px;
  background: var(--color-surface);
  object-fit: contain;
}

.gallery-controls {
  display: flex;
  flex-wrap: wrap;
  justify-self: stretch;
  gap: 0.75rem;
  margin-top: 1rem;
}

.gallery-thumbnail {
  width: clamp(5.5rem, 10vw, 8rem);
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: 2px;
  background: var(--color-bg);
  opacity: 0.58;
  transition:
    border-color var(--transition),
    opacity var(--transition);
}

.gallery-thumbnail:hover,
.gallery-thumbnail[aria-pressed="true"] {
  border-color: var(--color-ink);
  opacity: 1;
}

.gallery-thumbnail img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
}

.project-detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 15rem;
  gap: clamp(3rem, 8vw, 8rem);
  align-items: start;
  padding-top: clamp(3rem, 7vw, 6rem);
}

.project-prose {
  max-width: 45rem;
}

.project-prose h2,
.project-links h2 {
  margin: 2.8rem 0 0.75rem;
  font-family: var(--font-serif);
  font-size: 1.7rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.project-prose h2:first-child,
.project-links h2:first-child {
  margin-top: 0;
}

.project-prose p {
  max-width: 70ch;
  margin: 0 0 1.15rem;
  text-wrap: pretty;
}

.project-prose ul {
  padding-left: 1.25rem;
}

.project-prose li + li {
  margin-top: 0.45rem;
}

.project-links {
  padding-top: 0.25rem;
  border-top: 1px solid var(--color-line-strong);
}

.project-links h2 {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.project-links ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.project-links li + li {
  margin-top: 0.5rem;
}

.project-links .project-link {
  padding-top: 0.5rem;
}

.muted-copy,
.loading-message {
  color: var(--color-muted);
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    min-height: 0;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .project-tools {
    grid-template-columns: 1fr;
  }

  .tag-filters {
    justify-content: flex-start;
  }

  .tag-filter-row {
    justify-content: flex-start;
  }

  .project-row {
    grid-template-columns: 2.2rem minmax(0, 1fr);
  }

  .professional-project {
    grid-template-columns: 7rem 1.25rem minmax(0, 1fr);
    gap: 1rem;
  }

  .mentioned-projects {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .project-preview {
    grid-column: 1 / -1;
  }

  .project-detail-header {
    grid-template-columns: 1fr;
  }

  .project-detail-summary,
  .project-detail-header .project-tags {
    grid-column: 1;
  }

  .project-detail-summary {
    margin-top: 1.75rem;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding-top: 2rem;
  }

  .site-nav {
    width: 100%;
    justify-content: space-between;
    gap: 0.35rem 0.8rem;
    font-size: 0.83rem;
  }

  .section-intro {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.75rem;
  }

  .project-tools {
    padding-block: 1.25rem;
  }

  .tag-filters {
    margin-inline: calc(var(--page-gutter) * -1);
  }

  .tag-filter-row {
    flex-wrap: nowrap;
    padding-inline: var(--page-gutter);
    overflow-x: auto;
    scrollbar-width: thin;
  }

  .filter-button {
    flex: 0 0 auto;
  }

  .project-row {
    gap: 1rem 0.7rem;
    padding-block: 2.5rem;
  }

  .professional-project {
    grid-template-columns: 1rem minmax(0, 1fr);
    gap: 0 1rem;
  }

  .professional-period {
    grid-column: 2;
    grid-row: 1;
    padding-top: 2.25rem;
  }

  .professional-rail {
    grid-column: 1;
    grid-row: 1 / span 2;
  }

  .professional-rail::after {
    top: 2.5rem;
  }

  .professional-project-copy {
    grid-column: 2;
    grid-row: 2;
    padding-block: 0.65rem 2.75rem;
  }

  .professional-project-heading {
    display: block;
  }

  .professional-project-heading .status {
    display: block;
    margin-top: 0.45rem;
  }

  .project-heading {
    display: block;
  }

  .project-heading .status {
    display: block;
    margin-top: 0.45rem;
  }

  .project-link {
    padding-top: 1.5rem;
  }

  .closing-grid {
    grid-template-columns: 1fr;
  }

  .closing-grid article {
    padding: 2.5rem 0;
  }

  .closing-grid article:first-child {
    border-right: 0;
    border-bottom: 1px solid var(--color-line);
  }

  .skill-groups {
    grid-template-columns: 1fr;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding-block: 2.2rem;
  }

  .project-detail-header h1 {
    font-size: clamp(2.6rem, 14vw, 4rem);
    overflow-wrap: break-word;
  }

  .project-detail-grid {
    grid-template-columns: 1fr;
  }

  .project-links {
    order: -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}