.nav-link {
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: 1px solid transparent;
  padding: 0.5rem 0.75rem;
  border-radius: 999px;
  transition: border-color var(--motion-fast) var(--ease-standard),
    color var(--motion-fast) var(--ease-standard),
    background-color var(--motion-fast) var(--ease-standard);
}

.nav-link:hover,
.nav-link:focus-visible {
  border-color: var(--line);
  background-color: var(--hover-fill);
  outline: none;
}

.nav-link.is-active {
  border-color: var(--accent-soft);
  color: var(--accent);
  background-color: var(--hover-fill-strong);
}

.theme-switcher {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.theme-switch-label {
  font-size: var(--step--1);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-soft);
}

.theme-switch-options {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.2rem;
  padding: 0.2rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background-color: var(--surface-soft);
}

.theme-option {
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--text-soft);
  font: inherit;
  font-size: var(--step--1);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.42rem 0.72rem;
  cursor: pointer;
  transition: background-color var(--motion-fast) var(--ease-standard),
    color var(--motion-fast) var(--ease-standard),
    box-shadow var(--motion-fast) var(--ease-standard);
}

.theme-option:hover,
.theme-option:focus-visible {
  background-color: var(--hover-fill);
  color: var(--text);
  outline: none;
}

.theme-option.is-active {
  background-color: var(--surface);
  color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--line);
}

.lead {
  max-width: 85ch;
  font-size: var(--step-1);
}

.card {
  background: var(--card-background);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-4);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
  transition: transform var(--motion-mid) var(--ease-standard),
    border-color var(--motion-mid) var(--ease-standard),
    box-shadow var(--motion-mid) var(--ease-standard);
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-soft);
  box-shadow: var(--shadow-strong);
}

.kicker {
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.tag-list {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tag {
  border: 1px solid var(--line);
  color: var(--text-soft);
  border-radius: 999px;
  padding: 0.2rem 0.65rem;
  font-size: var(--step--1);
}

.about-snapshot {
  gap: var(--space-4);
  align-content: start;
}

.about-snapshot-section {
  display: grid;
  gap: var(--space-2);
  min-width: 0;
}

.about-snapshot-section h3 {
  margin: 0;
}

.about-snapshot-tags {
  gap: 0.6rem;
}

.about-certification-list,
.about-contact-list {
  display: grid;
  gap: 0.75rem;
}

.about-certification-list li,
.about-contact-link {
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) - 2px);
  background-color: var(--surface-soft);
}

.about-certification-list li {
  padding: 0.85rem 1rem;
  color: var(--text-soft);
  overflow-wrap: anywhere;
}

.about-contact-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.85rem;
  align-items: start;
  padding: 0.9rem 1rem;
  transition: border-color var(--motion-fast) var(--ease-standard),
    background-color var(--motion-fast) var(--ease-standard),
    box-shadow var(--motion-fast) var(--ease-standard);
}

.about-contact-link:hover,
.about-contact-link:focus-visible {
  border-color: var(--accent-soft);
  background-color: var(--hover-fill);
  box-shadow: var(--shadow-strong);
  outline: none;
}

.about-contact-icon {
  width: 1.15rem;
  min-width: 1.15rem;
  display: inline-grid;
  place-items: center;
  color: var(--accent-soft);
  margin-top: 0.12rem;
}

.about-contact-icon svg {
  display: block;
}

.about-contact-copy {
  min-width: 0;
  display: grid;
  gap: 0.12rem;
}

.about-contact-label {
  font-size: var(--step--1);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text);
}

.about-contact-value {
  color: var(--text-soft);
  overflow-wrap: anywhere;
}

.skill-category-list {
  display: grid;
  gap: 0.55rem;
  line-height: 1.6;
}

.skill-category-list li {
  color: var(--text-soft);
  overflow-wrap: anywhere;
}

.skill-category-list li strong {
  color: var(--text);
  margin-right: 0.35rem;
}

.snapshot-grid {
  margin-top: var(--space-4);
}

.project-card {
  position: relative;
  overflow: hidden;
  gap: var(--space-4);
}

.project-overview-grid {
  align-items: stretch;
}

.project-overview-card {
  min-height: 100%;
  gap: var(--space-2);
  background: var(--card-background-highlight);
}

.project-overview-card .meta {
  color: var(--accent-soft);
}

.project-overview-card h3 {
  font-size: var(--step-2);
}

.project-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: var(--card-accent-rule);
}

.project-card--featured {
  grid-column: 1 / -1;
  background: var(--card-background-featured);
}

.project-card-head,
.project-card-title,
.project-card-copy,
.project-card-facts,
.project-card-fact,
.project-card-highlights,
.project-card-footer {
  display: grid;
  gap: var(--space-2);
}

.project-card-meta-row,
.project-link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.project-card-meta-row {
  justify-content: space-between;
}

.project-status {
  display: inline-flex;
  align-items: center;
  padding: 0.32rem 0.72rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background-color: var(--surface-soft);
}

.project-status--public {
  border-color: var(--status-public-border);
  color: var(--status-public-text);
  background-color: var(--status-public-background);
}

.project-status--private {
  border-color: var(--status-private-border);
  color: var(--status-private-text);
  background-color: var(--status-private-background);
}

.project-status--current {
  border-color: var(--status-current-border);
  color: var(--status-current-text);
  background-color: var(--status-current-background);
}

.project-card-heading {
  font-size: clamp(1.55rem, 1.3rem + 0.8vw, 2.35rem);
  line-height: 1.08;
}

.project-card-summary,
.project-card-role {
  color: var(--text);
}

.project-card-summary {
  font-size: var(--step-1);
  max-width: 58ch;
}

.project-card-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  align-items: start;
}

.project-card--featured .project-card-body {
  grid-template-columns: minmax(0, 1.3fr) minmax(260px, 0.85fr);
}

.project-card-facts {
  align-content: start;
  padding: var(--space-3);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) - 2px);
  background-color: var(--surface-soft);
}

.project-highlight-list {
  display: grid;
  gap: 0.8rem;
}

.project-highlight-list li {
  position: relative;
  padding-left: 1.1rem;
  color: var(--text-soft);
}

.project-highlight-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72rem;
  width: 0.38rem;
  height: 0.38rem;
  border-radius: 999px;
  background-color: var(--accent-soft);
  transform: translateY(-50%);
}

.project-card-footer {
  padding-top: var(--space-2);
  border-top: 1px solid var(--line);
}

.project-availability {
  max-width: 56ch;
  font-size: var(--step--1);
}

.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;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: border-color var(--motion-fast) var(--ease-standard),
    color var(--motion-fast) var(--ease-standard),
    background-color var(--motion-fast) var(--ease-standard);
}

.filter-chip:hover,
.filter-chip:focus-visible {
  border-color: var(--accent-soft);
  color: var(--text);
  background-color: var(--hover-fill);
  outline: none;
}

.filter-chip.is-active {
  border-color: var(--accent-soft);
  color: var(--accent);
  background-color: var(--hover-fill-strong);
}

.filter-chip-button {
  font: inherit;
  cursor: pointer;
  background: transparent;
}

.article-filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.article-search {
  display: grid;
  gap: var(--space-3);
}

.article-search-bar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-2);
  align-items: center;
}

.article-search-input {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 999px;
  background-color: var(--surface-soft);
  color: var(--text);
  font: inherit;
  padding: 0.78rem 1rem;
  transition: border-color var(--motion-fast) var(--ease-standard),
    background-color var(--motion-fast) var(--ease-standard);
}

.article-search-input::placeholder {
  color: var(--text-soft);
}

.article-search-input:focus-visible {
  outline: none;
  border-color: var(--accent-soft);
  background-color: var(--hover-fill);
}

.article-search-mode-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  justify-content: flex-end;
}

.article-search-status:empty {
  display: none;
}

.article-top-anchor {
  scroll-margin-top: calc(var(--space-6) + var(--space-6) + var(--space-1));
}

.article-end-actions {
  margin-top: var(--space-4);
}

.article-end-actions:empty {
  display: none;
}

.series-context-card {
  gap: var(--space-2);
  border-color: var(--accent-soft);
  background: var(--series-background);
}

.series-context-card h2 {
  margin: 0;
  font-size: clamp(1.4rem, 1.2rem + 1vw, 2rem);
}

.series-context-pill {
  border-color: var(--line-strong);
  background-color: var(--surface-strong);
  color: var(--text);
}

.collection-card,
.article-card {
  overflow: hidden;
  padding: 0;
}

.collection-card-content,
.article-card-content {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
  padding: var(--space-4);
}

.card-media-link {
  display: block;
  color: inherit;
}

.card-media-link:focus-visible {
  outline: none;
}

.collection-cover {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--media-background);
}

.collection-cover--context {
  border-radius: calc(var(--radius) - 2px);
  border-bottom: 0;
}

.collection-cover__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.collection-cover__fallback {
  display: grid;
  align-content: end;
  gap: var(--space-2);
  height: 100%;
  padding: clamp(1rem, 2vw, 1.5rem);
  background: var(--media-fallback-background);
}

.collection-cover__eyebrow,
.collection-cover__subline {
  font-size: var(--step--1);
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.collection-cover__eyebrow {
  color: var(--media-text);
}

.collection-cover__title {
  max-width: 18ch;
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 1rem + 1.2vw, 2rem);
  line-height: 1.05;
}

.collection-cover__subline {
  color: var(--media-text-soft);
}

.collection-language-badges,
.article-card-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.collection-language-badges .tag,
.article-card-badges .tag {
  color: var(--text);
  background-color: var(--hover-fill);
}

.article-card-media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--media-background-soft);
}

.article-card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--motion-mid) var(--ease-standard);
}

.card-media-link:hover .collection-cover__image,
.card-media-link:hover .article-card-image,
.card-media-link:focus-visible .collection-cover__image,
.card-media-link:focus-visible .article-card-image {
  transform: scale(1.03);
}

.card-media-link:hover .collection-cover,
.card-media-link:hover .article-card-media,
.card-media-link:focus-visible .collection-cover,
.card-media-link:focus-visible .article-card-media {
  border-color: var(--accent-soft);
}

.card-media-link:focus-visible .collection-cover,
.card-media-link:focus-visible .article-card-media {
  box-shadow: inset 0 0 0 2px var(--accent);
}

.article-card-link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
}

.article-card-link-row .button-link {
  margin-right: auto;
}

.article-empty {
  margin-top: var(--space-3);
}

.landing-title {
  max-width: 100%;
  font-size: clamp(1.5rem, 1rem + 2.25vw, 3.15rem);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.01em;
  text-transform: none;
  white-space: nowrap;
  font-family: var(--font-sans);
  text-shadow: 0 2px 24px var(--landing-text-shadow);
  animation: landing-fade-in 0.8s ease both;
}

.landing-subtitle {
  max-width: 100%;
  white-space: nowrap;
  color: var(--landing-subtitle-color);
  font-size: clamp(0.88rem, 0.78rem + 0.45vw, 1.08rem);
  text-shadow: 0 1px 16px var(--landing-text-shadow);
  animation: landing-fade-in 0.7s ease 0.35s both;
}

/* Spheres start dim and brighten after the text is established. */
.landing-canvas {
  animation: landing-canvas-brighten 1.2s ease 0.5s both;
}

@keyframes landing-fade-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes landing-canvas-brighten {
  from {
    opacity: 0.2;
  }

  to {
    opacity: 1;
  }
}

/* Respect reduced-motion: skip all landing animations. */
@media (prefers-reduced-motion: reduce) {

  .landing-title,
  .landing-subtitle,
  .landing-canvas {
    animation: none;
  }
}

.landing-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  border: 1px solid var(--line);
  border-radius: 999px;
  min-height: 2.8rem;
  padding: 0.62rem 0.9rem;
  background-color: var(--landing-link-background);
  transition: background-color var(--motion-fast) var(--ease-standard),
    border-color var(--motion-fast) var(--ease-standard),
    transform var(--motion-fast) var(--ease-standard);
}

.landing-links {
  width: min(100%, 24rem);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.landing-link:hover,
.landing-link:focus-visible {
  transform: translateY(-2px);
  border-color: var(--accent);
  background-color: var(--landing-link-background-hover);
  outline: none;
}

@media (max-height: 820px) and (min-width: 901px) {
  .landing-links {
    width: min(100%, 16rem);
    gap: 0.7rem;
  }

  .landing-link {
    min-height: 2.55rem;
    padding: 0.5rem 0.65rem;
  }
}

@media (min-width: 1800px) {
  .landing-title {
    font-size: clamp(2.1rem, 1.5rem + 1.5vw, 3.6rem);
  }

  .landing-subtitle {
    max-width: none;
    font-size: clamp(1rem, 0.92rem + 0.35vw, 1.22rem);
  }
}

@media (max-width: 680px) {
  .landing-title {
    font-size: clamp(1.42rem, 1.09rem + 2.25vw, 2.14rem);
  }

  .landing-subtitle {
    max-width: 28ch;
    white-space: normal;
  }

  .landing-links {
    width: min(100%, 18rem);
    grid-template-columns: 1fr;
  }

  .landing-link {
    grid-column: auto;
    width: 100%;
    min-width: 0;
    justify-self: stretch;
  }
}

.orb {
  position: absolute;
  border-radius: 999px;
  background: var(--orb-background);
  opacity: 0.7;
  animation: drift linear infinite;
}

@keyframes drift {
  0% {
    transform: translateY(0) translateX(0) scale(1);
  }

  50% {
    transform: translateY(-18px) translateX(10px) scale(1.08);
  }

  100% {
    transform: translateY(0) translateX(0) scale(1);
  }
}

.button-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  width: fit-content;
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-bottom: 1px solid var(--accent-soft);
  padding-bottom: 0.2rem;
  color: var(--accent);
}

.milestone-links {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.quote {
  border-left: 2px solid var(--accent-soft);
  padding-left: var(--space-3);
  font-family: var(--font-serif);
  color: var(--text);
}

.timeline {
  display: grid;
  gap: var(--space-3);
}

.article-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
  align-items: start;
}

.progressive-list-controls {
  display: grid;
  justify-items: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.progressive-list-status {
  text-align: center;
}

.progressive-list-button {
  min-height: 42px;
}

.progressive-list-sentinel {
  width: 100%;
  height: 1px;
}

.timeline li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.3rem;
  padding-bottom: var(--space-3);
  border-bottom: 1px dashed var(--line);
}

.timeline li.card ul {
  list-style: disc;
  padding-left: 1.25rem;
  display: grid;
  gap: 0.45rem;
  margin: 0;
}

.timeline li.card ul li {
  display: list-item;
  padding: 0;
  border: 0;
  color: var(--text-soft);
}

.experience-subsection {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.4rem;
  margin-top: var(--space-2);
}

.experience-subsection h4 {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--step-0);
  line-height: 1.3;
  color: var(--text);
  letter-spacing: 0.01em;
}

.experience-subsection ul {
  margin: 0;
}

.article-content {
  display: block;
  /* Prevent long unbreakable strings (URLs, inline code) from pushing
     the article body wider than its container. */
  overflow-wrap: break-word;
}

.article-content>* {
  margin: 0;
}

.article-content>*+* {
  margin-top: var(--space-3);
}

.article-content>.article-break {
  display: block;
  width: 100%;
  margin-top: 0;
}

.article-content>.article-break+* {
  margin-top: 0;
}

.article-content>.article-break--small {
  height: calc(var(--space-5) + var(--space-2));
}

.article-content>.article-break--large {
  height: calc(var(--space-6) + var(--space-4));
}

.article-content p {
  color: var(--text-soft);
}

.article-content h1,
.article-content h2,
.article-content h3 {
  margin-top: calc(var(--space-3) + var(--space-2));
}

.article-content ul,
.article-content ol {
  margin: 0;
  padding-left: 1.25rem;
}

.article-content ul {
  list-style: disc;
}

.article-content ol {
  list-style: decimal;
}

.article-content li {
  color: var(--text-soft);
}

.article-content a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.article-content pre {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-3);
  background-color: var(--code-background);
}

.article-content code {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.94em;
}

.article-content img {
  display: block;
  max-width: min(100%, 860px);
  height: auto;
  margin: var(--space-2) auto;
  border-radius: calc(var(--radius) - 2px);
}

.article-content .image-caption {
  text-align: center;
  font-size: var(--step--1);
  margin-top: calc(var(--space-2) * -0.35);
  color: var(--text-soft);
}

.article-content .image-block {
  margin-bottom: 0;
}

.article-content .image-caption a {
  color: var(--text-soft);
}

.article-content .embedded-media {
  width: min(100%, 860px);
  margin: var(--space-2) auto;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) - 2px);
  overflow: hidden;
  background-color: var(--embed-background);
}

.article-content .embedded-media iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

.article-content blockquote {
  margin: var(--space-4) 0;
  padding: var(--space-3) var(--space-4);
  border-left: 3px solid var(--line);
  border-radius: 0 calc(var(--radius) - 2px) calc(var(--radius) - 2px) 0;
  background-color: var(--blockquote-background);
  color: var(--text);
}

.article-content blockquote p {
  margin: 0;
  font-size: var(--step-0);
  line-height: 1.75;
  font-style: italic;
}

.article-content blockquote p:last-child {
  margin-bottom: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--motion-mid) var(--ease-standard),
    transform var(--motion-mid) var(--ease-standard);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .project-card--featured .project-card-body {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .theme-switcher {
    width: 100%;
    justify-content: space-between;
  }

  .theme-switch-options {
    max-width: 100%;
  }

  .project-card-meta-row {
    justify-content: flex-start;
  }

  .article-search-bar {
    grid-template-columns: 1fr;
  }

  .article-search-mode-group {
    justify-content: flex-start;
  }

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

  .article-top-anchor {
    scroll-margin-top: var(--space-3);
  }

  .about-snapshot {
    gap: var(--space-3);
    padding: var(--space-3);
  }

  .about-snapshot-tags {
    gap: 0.45rem;
  }

  .about-contact-link {
    gap: 0.75rem;
    padding: 0.8rem 0.9rem;
  }
}