/* Static spatial index pages */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  min-height: 4.5rem;
  padding: 0 clamp(1rem, 4vw, 4.5rem);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--ocean-deep) 93%, transparent);
  backdrop-filter: blur(12px);
}
.site-avatar {
  display: block;
  flex: none;
  width: 2.2rem;
  height: 2.2rem;
  margin-right: 0.9rem;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 50%;
  transition: border-color 0.24s var(--ease);
}
.site-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.site-avatar:hover,
.site-avatar:focus-visible {
  border-color: var(--cyan);
}
.wordmark {
  margin-right: auto;
  font: 900 1.45rem/1 var(--display);
  letter-spacing: -0.06em;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(0.85rem, 2vw, 2rem);
  font-size: 0.78rem;
}
.site-nav > a {
  position: relative;
  padding: 0.45rem 0;
  color: var(--muted);
}
.site-nav > a:after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 1px;
  background: var(--cyan);
  transition: right 0.24s var(--ease);
}
.site-nav > a:hover {
  color: var(--mist);
}
.site-nav > a[aria-current="page"] {
  color: var(--cyan);
}
.site-nav > a:hover:after,
.site-nav > a[aria-current="page"]:after {
  right: 0;
}
.site-theme-toggle {
  position: relative;
  display: none;
  width: 2.15rem;
  height: 2.15rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--cyan);
  cursor: pointer;
}
.theme-icon {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 1.08rem;
  height: 1.08rem;
  transition:
    opacity 0.42s var(--ease),
    transform 0.54s var(--ease);
}
.theme-icon-sun {
  opacity: 0;
  transform: rotate(-80deg) scale(0.42);
}
.theme-icon-moon {
  opacity: 1;
  transform: rotate(0) scale(1);
}
html[data-site-theme="night"] .theme-icon-sun {
  opacity: 1;
  transform: rotate(0) scale(1);
}
html[data-site-theme="night"] .theme-icon-moon {
  opacity: 0;
  transform: rotate(75deg) scale(0.42);
}
.site-theme-toggle:after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid currentColor;
  border-radius: 50%;
  opacity: 0;
  transform: scale(0.58);
  transition:
    opacity 0.28s var(--ease),
    transform 0.34s var(--ease);
}
.site-theme-toggle:hover,
.site-theme-toggle:focus-visible {
  color: var(--mist);
  outline: 0;
}
.site-theme-toggle:hover:after,
.site-theme-toggle:focus-visible:after {
  opacity: 0.72;
  transform: scale(1);
}
.site-theme-toggle.is-switching:after {
  animation: theme-orbit 0.62s var(--ease);
}
.site-theme-toggle.is-switching .theme-icon {
  animation: theme-icon-turn 0.62s var(--ease);
}
html.js .site-theme-toggle {
  display: grid;
  place-items: center;
}
.nav-search {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.38rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 0;
  background: color-mix(in srgb, var(--mist) 8%, transparent);
  transition:
    border-color 0.24s var(--ease),
    background 0.24s var(--ease);
}
.nav-search:focus-within {
  border-color: var(--cyan);
  background: color-mix(in srgb, var(--mist) 14%, transparent);
}
.nav-search-icon {
  flex: none;
  width: 1rem;
  height: 1rem;
  color: var(--muted);
  transition: color 0.24s var(--ease);
}
.nav-search:focus-within .nav-search-icon {
  color: var(--cyan);
}
.nav-search input {
  min-width: 0;
  width: 7rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  outline: 0;
}
.nav-search input::placeholder {
  color: var(--muted);
}
.nav-search input::-webkit-search-cancel-button {
  -webkit-appearance: none;
  appearance: none;
}
.nav-toggle {
  display: none;
  border: 0;
  background: none;
  color: inherit;
}
.nav-toggle i {
  width: 1rem;
  height: 1px;
  background: currentColor;
}
.inner-shell {
  position: relative;
  width: min(1180px, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: clamp(4rem, 9vw, 9rem) 0;
}
.inner-shell:before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0 -100vw;
  background: linear-gradient(
    90deg,
    transparent calc(50% - 590px),
    color-mix(in srgb, var(--cyan) 10%, transparent) calc(50% - 589px),
    transparent calc(50% - 588px)
  );
  pointer-events: none;
}
.page-lead {
  display: grid;
  grid-template-columns: minmax(13rem, 1fr) minmax(16rem, 1.1fr);
  align-items: end;
  gap: 2rem;
  margin: 0 0 clamp(3.5rem, 8vw, 8rem);
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}
.lead-mark {
  display: none;
}
.page-lead h1 {
  margin: 0;
  font: 900 clamp(4rem, 11vw, 8.5rem)/0.82 var(--display);
  letter-spacing: 0;
}
/* About identity: a spacious personal panel filling the area under the title. */
.about-identity {
  margin: 0 0 clamp(3rem, 6vw, 5rem);
  padding: clamp(1.5rem, 3.5vw, 2.5rem);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
}
.about-identity-head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
}
.about-avatar {
  width: 6.5rem;
  height: 6.5rem;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 50%;
}
.about-name {
  margin: 0;
  font: 900 clamp(1.8rem, 3vw, 2.6rem)/1.05 var(--display);
  letter-spacing: -0.04em;
  color: var(--ink);
}
.about-role {
  margin: 0.5rem 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}
.about-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
  gap: 0.75rem;
  margin-top: clamp(1.4rem, 3vw, 2rem);
  padding-top: clamp(1.4rem, 3vw, 2rem);
  border-top: 1px solid var(--line);
}
.about-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.95rem 1.05rem;
  border: 1px solid var(--line);
  background: transparent;
  font: 700 0.92rem/1 var(--display);
  letter-spacing: 0.02em;
  color: var(--ink);
  cursor: pointer;
  transition:
    border-color 0.24s var(--ease),
    color 0.24s var(--ease),
    background 0.24s var(--ease);
}
.about-link i {
  font-style: normal;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
}
.about-link:hover,
.about-link:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  background: color-mix(in srgb, var(--cyan) 8%, transparent);
}
.about-link:hover i,
.about-link:focus-visible i {
  color: var(--cyan);
}
.about-link.is-copied {
  border-color: var(--cyan);
  color: var(--cyan);
}
.page-lead p {
  max-width: 32rem;
  margin: 0;
  color: var(--muted);
  font-size: clamp(0.95rem, 1.4vw, 1.15rem);
}
/* Category index: a quiet navigation rail sitting under the section title. */
.category-index {
  margin: clamp(2.5rem, 5vw, 4rem) 0 0;
  padding: 1.35rem 0 0;
  border-top: 1px solid var(--line);
}
.category-index h2 {
  margin: 0 0 1rem;
  font: 700 0.78rem/1 var(--mono);
  letter-spacing: 0.16em;
  color: var(--muted);
}
.category-index ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.category-index a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.5rem 0;
  border-bottom: 1px dashed var(--line);
  font: 700 0.95rem/1.3 var(--display);
  letter-spacing: 0.02em;
  color: var(--ink);
  transition:
    color 0.24s var(--ease),
    padding-left 0.24s var(--ease);
}
.category-index a:hover,
.category-index a:focus-visible {
  color: var(--cyan);
  padding-left: 0.4rem;
}
.category-count {
  font: 500 0.72rem/1 var(--mono);
  color: var(--muted);
}
.category-index a:hover .category-count,
.category-index a:focus-visible .category-count {
  color: var(--cyan);
}
.content-reel {
  border-top: 1px solid var(--line);
}
.reel-entry {
  position: relative;
  display: grid;
  grid-template-columns: 7.4rem minmax(0, 1fr);
  gap: clamp(1.4rem, 5vw, 6rem);
  padding: clamp(1.6rem, 3.5vw, 3rem) 0;
  border-bottom: 1px solid var(--line);
}
.reel-entry:before {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.55s var(--ease);
}
.reel-entry:hover:before {
  transform: scaleX(1);
}
.reel-entry > time {
  font-family: var(--mono);
  color: var(--cyan);
}
.reel-entry > time b {
  display: block;
  font-size: 1.15rem;
}
.reel-entry > time span {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.entry-meta {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.reel-entry h2 {
  margin: 0;
  font: 900 clamp(1.5rem, 2.6vw, 2.4rem)/1.18 var(--display);
  letter-spacing: 0;
}
.reel-entry h2 a:hover {
  color: var(--cyan);
}
.reel-entry p {
  max-width: 68ch;
  margin: 0.9rem 0 0;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--muted);
}
.entry-meta {
  display: flex;
  gap: 1.2rem;
  margin-top: 1rem;
  color: var(--cyan);
}
.empty-state {
  padding: 3rem 0;
  border-bottom: 1px dashed var(--line);
  color: var(--muted);
}
.pagination {
  margin-top: 3rem;
}
.page-navigator {
  display: flex;
  gap: 0.45rem;
  padding: 0;
  list-style: none;
}
.page-navigator a,
.page-navigator span {
  display: grid;
  min-width: 2.5rem;
  height: 2.5rem;
  place-items: center;
  border: 1px solid var(--line);
}
.page-navigator .current span {
  background: var(--cyan);
  color: var(--ink);
}
.moment-strip {
  max-width: 800px;
  margin-left: auto;
}
.moment {
  position: relative;
  padding: 2rem 0 2rem 2rem;
  border-left: 1px solid var(--line);
}
.moment:before {
  content: "";
  position: absolute;
  left: -4px;
  top: 2.5rem;
  width: 7px;
  height: 7px;
  background: var(--cyan);
  border-radius: 50%;
}
.moment time {
  font: 0.72rem var(--mono);
  letter-spacing: 0.08em;
  color: var(--cyan);
}
.moment > div {
  margin-top: 0.8rem;
}
.moment > div p {
  margin: 0.8rem 0;
}
.moment > a {
  font-size: 0.72rem;
  color: var(--muted);
}
.year-spine section {
  display: grid;
  grid-template-columns: 8.5rem minmax(0, 1fr);
  border-top: 1px solid var(--line);
}
.year-spine h2 {
  margin: 0;
  padding: 1.4rem 1.4rem 1.4rem 0;
  font: 900 clamp(1.8rem, 2.6vw, 2.5rem)/1 var(--display);
  letter-spacing: -0.04em;
  color: var(--ink);
}
.year-spine section > div {
  border-left: 1px solid var(--line);
}
.year-spine a {
  display: grid;
  grid-template-columns: 4.2rem minmax(0, 1fr);
  gap: 0.9rem 1.1rem;
  align-items: baseline;
  padding: 1.05rem 1.4rem;
  border-bottom: 1px solid var(--line);
}
.year-spine a:hover {
  background: color-mix(in srgb, var(--cyan) 12%, transparent);
}
.year-spine time {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--cyan);
}
.year-spine a span {
  font-size: 1.06rem;
  line-height: 1.5;
}
.year-spine a:hover span {
  color: var(--cyan);
}
.friend-network {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.friend-network > a {
  display: grid;
  grid-template-columns: 3rem 1fr;
  grid-template-rows: auto 1fr;
  gap: 0.35rem 1rem;
  min-width: 0;
  min-height: 11rem;
  padding: 1.25rem;
  background: var(--ocean-deep);
  transition: background 0.25s var(--ease);
}
.friend-network > a:hover {
  background: color-mix(in srgb, var(--ocean-deep) 86%, var(--cyan));
}
.friend-node {
  grid-row: 1/3;
  display: grid;
  width: 3rem;
  height: 3rem;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  color: var(--cyan);
}
.friend-node img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.friend-network strong {
  font-size: 1.1rem;
  word-break: break-word;
}
.friend-network small {
  font-size: 0.8rem;
  line-height: 1.55;
  color: var(--muted);
  word-break: break-word;
}
.about-specimen {
  display: grid;
  grid-template-columns: 15rem 1fr;
  gap: clamp(2rem, 5vw, 5rem);
}
.about-specimen aside {
  position: sticky;
  top: 6rem;
  align-self: start;
  min-height: 15rem;
  padding: 1.25rem;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--cyan) 6%, transparent);
}
.about-specimen aside span {
  color: var(--cyan);
  font: 0.66rem var(--mono);
  letter-spacing: 0.15em;
}
.about-specimen aside b {
  display: block;
  margin-top: 3rem;
  font: 900 3rem/1 var(--display);
  letter-spacing: -0.07em;
}
.about-specimen aside i {
  display: block;
  width: 1rem;
  height: 1rem;
  margin: 2rem 0 0 auto;
  border: 1px solid var(--cyan);
  border-radius: 50%;
}
.about-block {
  padding: 0 0 2.5rem;
  margin: 0 0 2.5rem;
  border-bottom: 1px solid var(--line);
}
.about-block h2 {
  font: 900 clamp(1.5rem, 2.4vw, 2.2rem)/1.15 var(--display);
  letter-spacing: 0;
}
.timeline-row {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid color-mix(in srgb, var(--mist) 12%, transparent);
}
.timeline-row time {
  font: 0.72rem var(--mono);
  color: var(--cyan);
}
.timeline-row p {
  margin: 0.35rem 0 0;
  color: var(--muted);
}
.compact-content {
  margin-top: 4rem;
}

/* A decorative field must never become horizontal document width. */
.inner-shell {
  isolation: isolate;
  overflow-x: clip;
}
.inner-shell:before {
  inset: 0;
  left: 50%;
  right: auto;
  width: 100vw;
  transform: translateX(-50%);
}
.moment-strip,
.moment,
.moment > div {
  width: 100%;
  min-width: 0;
}
.moment > div {
  overflow-wrap: anywhere;
}

/* Interior pages share one spatial index: the route is a fixed coordinate, content is its active track. */
@media (min-width: 901px) {
  .archive-shell,
  .friends-shell,
  .about-shell {
    width: min(1400px, calc(100% - 5rem));
    display: grid;
    grid-template-columns: minmax(11rem, 0.72fr) minmax(0, 2.28fr);
    column-gap: clamp(3rem, 8vw, 9rem);
    align-items: start;
  }
  .archive-shell:before,
  .friends-shell:before,
  .about-shell:before {
    background: linear-gradient(
      90deg,
      transparent calc(50% - 700px),
      color-mix(in srgb, var(--cyan) 12%, transparent) calc(50% - 699px),
      transparent calc(50% - 698px)
    );
  }
  .archive-shell > .article-rail,
  .friends-shell > .page-lead,
  .about-shell > .about-rail {
    grid-column: 1;
    grid-row: 1 / span 8;
    position: sticky;
    top: calc(4.5rem + clamp(2rem, 4vw, 4rem));
    display: block;
    margin: 0;
    padding: 0 0 1.5rem;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }
  /* Article rail: the big title and the category index stick together as one column. */
  .archive-shell > .article-rail > .page-lead {
    display: block;
    margin: 0;
    padding: 0 0 1.5rem;
    border: 0;
  }
  .archive-shell > .article-rail h1,
  .archive-shell > .page-lead h1,
  .friends-shell > .page-lead h1 {
    padding-top: 1.35rem;
    font-size: clamp(3.6rem, 6.4vw, 6.5rem);
    line-height: 0.86;
    letter-spacing: 0;
    overflow-wrap: anywhere;
  }
  .archive-shell > .content-reel,
  .archive-shell > .moment-strip,
  .archive-shell > .year-spine,
  .archive-shell > .empty-state,
  .friends-shell > .friends-intro,
  .friends-shell > .friend-network,
  .friends-shell > .friend-apply,
  .friends-shell > .compact-content,
  .friends-shell > .empty-state,
  .about-shell > .about-specimen,
  .about-shell > .comments-panel {
    grid-column: 2;
    min-width: 0;
  }
  /* Category rail lives inside the sticky rail, right under the section title. */
  .archive-shell > .article-rail > .category-index {
    min-width: 0;
    margin: clamp(2.5rem, 4vw, 3rem) 0 0;
  }
  /* About rail: the identity panel is the whole sticky column. */
  .about-shell > .about-rail > .about-identity {
    min-width: 0;
    margin: clamp(1.5rem, 3vw, 2.5rem) 0 0;
  }
  .archive-shell > .content-reel,
  .archive-shell > .moment-strip,
  .archive-shell > .year-spine,
  .friends-shell > .friends-intro,
  .about-shell > .about-specimen {
    margin-top: 0;
  }
  .moment-strip {
    max-width: none;
  }
  .friends-shell > .friends-intro {
    max-width: 75ch;
    margin: 0 0 clamp(2.5rem, 5vw, 5rem);
    font-size: clamp(1rem, 1.2vw, 1.1rem);
    line-height: 1.85;
  }
  .friends-shell > .friend-network {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .friends-shell > .friend-apply {
    margin-top: clamp(3.5rem, 7vw, 7rem);
    padding-top: 0;
  }
  .friends-shell > .compact-content {
    max-width: 75ch;
    margin-top: clamp(3.5rem, 7vw, 7rem);
  }
  .about-specimen {
    display: block;
  }
  .about-block {
    max-width: 75ch;
  }
  .about-block:first-child {
    padding-top: 0;
  }
  .about-body > .article-content {
    margin: clamp(3.5rem, 7vw, 6rem) 0;
  }
}

/* One interior plane: index routes and the reading route are different densities of the same field. */
body.is-inner {
  --line: color-mix(in srgb, var(--ink) 26%, transparent);
  --muted: color-mix(in srgb, var(--ink) 69%, var(--ocean));
  background: var(--ocean);
  color: var(--ink);
}
.is-inner .site-header {
  border-color: var(--line);
  background: color-mix(in srgb, var(--ocean) 91%, transparent);
  color: var(--ink);
}
.is-inner .site-nav > a {
  color: var(--muted);
}
.is-inner .site-nav > a:hover,
.is-inner .site-nav > a:focus-visible {
  color: var(--ink);
}
.is-inner .site-theme-toggle {
  border-color: var(--line);
  background: transparent;
  color: var(--ink);
}
.is-inner .site-theme-toggle:hover,
.is-inner .site-theme-toggle:focus-visible {
  border-color: var(--ink);
  background: transparent;
  color: var(--ink);
}
.is-inner .inner-shell:before,
.is-inner .archive-shell:before,
.is-inner .friends-shell:before,
.is-inner .about-shell:before {
  background: linear-gradient(
    90deg,
    transparent calc(50% - 700px),
    color-mix(in srgb, var(--ink) 17%, transparent) calc(50% - 699px),
    transparent calc(50% - 698px)
  );
}
.is-inner .page-lead,
.is-inner .page-lead h1,
.is-inner .content-reel,
.is-inner .year-spine,
.is-inner .friends-intro,
.is-inner .about-specimen {
  color: var(--ink);
}
.is-inner .reel-entry > time,
.is-inner .entry-meta,
.is-inner .year-spine time,
.is-inner .year-spine h2,
.is-inner .timeline-row time,
.is-inner .friend-node strong,
.is-inner .about-specimen aside {
  color: var(--ink);
}
.is-inner .reel-entry p,
.is-inner .friends-intro,
.is-inner .about-block p,
.is-inner .timeline-row p,
.is-inner .year-spine p,
.is-inner .friend-node small,
.is-inner .empty-state {
  color: var(--muted);
}
.is-inner .reel-entry,
.is-inner .year-spine section,
.is-inner .about-block,
.is-inner .timeline-row,
.is-inner .friends-intro,
.is-inner .friend-apply {
  border-color: var(--line);
}
.is-inner .reel-entry h2 a,
.is-inner .year-spine a,
.is-inner .about-body a,
.is-inner .compact-content a {
  color: var(--ink);
}
.is-inner .reel-entry h2 a:hover,
.is-inner .year-spine a:hover,
.is-inner .about-body a:hover,
.is-inner .compact-content a:hover {
  color: var(--cyan);
}
.is-inner .friend-network {
  border-color: var(--line);
  background: color-mix(in srgb, var(--ink) 7%, transparent);
}
.is-inner .friend-network > a {
  border-color: var(--line);
  background: color-mix(in srgb, var(--mist) 18%, transparent);
  color: var(--ink);
}
.is-inner .friend-network > a:hover,
.is-inner .friend-network > a:focus-visible {
  border-color: var(--ink);
  background: color-mix(in srgb, var(--mist) 32%, transparent);
}
.is-inner .friend-node {
  border-color: var(--line);
}
.is-inner .section-feel .moment {
  border-color: color-mix(in srgb, var(--ink) 34%, transparent);
  background: color-mix(in srgb, var(--mist) 19%, transparent);
  box-shadow: 0 15px 32px color-mix(in srgb, var(--ink) 14%, transparent);
  color: var(--ink);
}
.is-inner .section-feel .moment:hover,
.is-inner .section-feel .moment:focus-within {
  border-color: var(--ink);
  box-shadow: 0 22px 40px color-mix(in srgb, var(--ink) 20%, transparent);
}
.is-inner .section-feel .moment time,
.is-inner .section-feel .moment > a {
  color: var(--ink);
}
.is-inner .section-feel .moment > a {
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 42%, transparent);
}
.is-inner .moment-open:focus-visible {
  outline-color: var(--ink);
}
.is-inner .respond input,
.is-inner .respond textarea {
  border-color: var(--line);
  background: color-mix(in srgb, var(--mist) 14%, transparent);
  color: var(--ink);
}
.is-inner .respond input:focus,
.is-inner .respond textarea:focus {
  border-color: var(--ink);
}
.is-inner .respond button {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--ocean);
}
.is-inner .comments-panel,
.is-inner .comment-body > article {
  border-color: var(--line);
}
.is-inner .comment-body header time {
  color: var(--muted);
}
.is-inner .comment-body header a {
  color: var(--ink);
}
.is-inner .site-footer {
  border-color: var(--line);
  color: var(--muted);
}

/* Footer and error states are interior-page basics, loaded with inner.css. */
.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding: 2.4rem clamp(1rem, 4vw, 4.5rem);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.72rem;
}
.site-footer p {
  margin: 0;
}
.site-footer strong {
  color: currentColor;
}
.error-shell {
  display: grid;
  min-height: 65vh;
  place-items: center;
  text-align: center;
}
.error-shell span {
  color: var(--cyan);
  font: 0.7rem var(--mono);
}
.error-shell h1 {
  margin: 0;
  font: 900 clamp(3rem, 8vw, 6rem)/1 var(--display);
  letter-spacing: 0;
}
.error-shell a {
  padding: 0.7rem 1rem;
  border: 1px solid var(--cyan);
  color: var(--cyan);
}