/* tc-components.css — header, stories, cards, callouts, series, forms, states. */

/* ---------- Skip link ---------- */
.tc-skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--tc-primary);
  color: var(--tc-primary-ink);
  font-family: var(--tc-mono);
  font-size: var(--tc-fs-small);
  padding: .625rem .875rem;
  text-decoration: none;
}
.tc-skip-link:focus { left: var(--tc-space-3); top: var(--tc-space-3); color: var(--tc-primary-ink); }

/* ---------- Site header ---------- */
.tc-site__header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: color-mix(in srgb, var(--tc-bg) 92%, transparent);
  border-bottom: 1px solid var(--tc-border);
  backdrop-filter: blur(8px);
}
@supports not (background: color-mix(in srgb, red 50%, blue)) {
  .tc-site__header { background: var(--tc-bg); }
}
.tc-site__header-inner {
  display: flex;
  align-items: center;
  gap: var(--tc-space-8);
  padding-block: var(--tc-space-4);
  flex-wrap: wrap;
}

.tc-site__brand { display: flex; flex-direction: column; gap: 2px; min-width: 0; color: var(--tc-text); }
.tc-site__brand:hover { color: var(--tc-text); }
.tc-site__brand:hover .tc-site__brand-name { color: var(--tc-primary); }
.tc-site__brand-name { font-size: 1.375rem; font-weight: 700; letter-spacing: -.02em; line-height: 1; transition: color var(--tc-transition); }
.tc-site__brand-line {
  font-family: var(--tc-mono);
  font-size: .625rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--tc-muted);
}
.tc-site__brand-logo { max-height: 40px; width: auto; }

.tc-site__nav { flex: 1 1 auto; min-width: 0; }
.tc-site__nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: var(--tc-space-6); }
.tc-site__nav li { margin: 0; }
.tc-site__nav a {
  display: inline-flex;
  align-items: center;
  min-height: var(--tc-hit);
  font-family: var(--tc-mono);
  font-size: .8125rem;
  letter-spacing: .02em;
  color: var(--tc-text);
  border-bottom: 2px solid transparent;
}
.tc-site__nav a:hover { color: var(--tc-primary); border-bottom-color: var(--tc-border-strong); }
.tc-site__nav .current-menu-item > a,
.tc-site__nav .current-menu-parent > a,
.tc-site__nav .current-menu-ancestor > a,
.tc-site__nav a[aria-current="page"] { color: var(--tc-primary); border-bottom-color: var(--tc-primary); }

/* Sub-menus: hover on pointer devices, keyboard-accessible via :focus-within. */
.tc-site__nav .sub-menu {
  position: absolute;
  display: none;
  flex-direction: column;
  gap: 0;
  min-width: 12rem;
  background: var(--tc-surface);
  border: 1px solid var(--tc-border);
  border-radius: var(--tc-radius);
  padding: var(--tc-space-2);
  margin-top: 0;
}
.tc-site__nav li { position: relative; }
.tc-site__nav li:hover > .sub-menu,
.tc-site__nav li:focus-within > .sub-menu { display: flex; }
.tc-site__nav .sub-menu a { min-height: 2.25rem; padding-inline: var(--tc-space-2); border-bottom: 0; }

/* Menu toggle: hidden until the nav actually needs to collapse. */
.tc-site__menu-toggle {
  display: none;
  align-items: center;
  gap: var(--tc-space-2);
  min-height: var(--tc-hit);
  min-width: var(--tc-hit);
  padding: 0 .75rem;
  background: var(--tc-surface);
  border: 1px solid var(--tc-border);
  border-radius: var(--tc-radius);
  color: var(--tc-text);
  font-family: var(--tc-mono);
  font-size: var(--tc-fs-micro);
  letter-spacing: .08em;
  text-transform: uppercase;
  cursor: pointer;
}
.tc-site__menu-toggle:hover { border-color: var(--tc-primary); color: var(--tc-primary); }
.tc-site__menu-toggle-bars { display: inline-flex; flex-direction: column; gap: 3px; }
.tc-site__menu-toggle-bars span { display: block; width: 16px; height: 2px; background: currentColor; }

@media (max-width: 900px) {
  .tc-site__menu-toggle { display: inline-flex; }
  .tc-site__header-inner { gap: var(--tc-space-4); justify-content: space-between; }
  .tc-site__nav { flex-basis: 100%; order: 3; display: none; }
  .tc-site__nav[data-tc-open="true"] { display: block; }
  .tc-site__nav ul { flex-direction: column; gap: 0; padding-block: var(--tc-space-2); }
  .tc-site__nav li { border-top: 1px solid var(--tc-border); }
  .tc-site__nav a { display: flex; width: 100%; border-bottom: 0; }
  .tc-site__nav .sub-menu { position: static; display: flex; border: 0; padding-left: var(--tc-space-4); }
  .tc-site__search { flex-basis: 100%; order: 4; }
}

/* Header search */
.tc-site__search { display: flex; align-items: center; gap: var(--tc-space-2); }
.tc-site__search input[type="search"] { width: 170px; }
@media (max-width: 900px) { .tc-site__search input[type="search"] { width: 100%; } }

/* ---------- Metadata ---------- */
.tc-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--tc-space-2) var(--tc-space-3);
  margin: 0 0 var(--tc-space-4);
  font-family: var(--tc-mono);
  font-size: var(--tc-fs-meta);
  letter-spacing: var(--tc-tracking-meta);
  text-transform: uppercase;
  color: var(--tc-muted);
}
.tc-meta__sep { color: var(--tc-border-strong); }
.tc-meta__category { color: var(--tc-secondary); border: 1px solid var(--tc-border); border-radius: 2px; padding: 3px 8px; }
.tc-meta__category:hover { color: var(--tc-primary); border-color: var(--tc-primary); }

/* Format labels: text always carries the meaning; color only reinforces it. */
.tc-meta__format,
.tc-card__type {
  display: inline-block;
  border: 1px solid var(--tc-border);
  border-radius: 2px;
  padding: 3px 8px;
  font-weight: 500;
  color: var(--tc-text);
  background: transparent;
}
.tc-meta__format--analysis, .tc-card__type--analysis { background: var(--tc-primary); border-color: var(--tc-primary); color: var(--tc-primary-ink); }
.tc-meta__format--news, .tc-card__type--news { background: var(--tc-text); border-color: var(--tc-text); color: var(--tc-bg); }
.tc-meta__format--how-to, .tc-card__type--how-to { color: var(--tc-primary); border-color: var(--tc-primary); }
.tc-meta__format--opinion, .tc-card__type--opinion { color: var(--tc-warning); border-color: var(--tc-warning); }
.tc-meta__format--field-note, .tc-card__type--field-note { color: var(--tc-text); border-color: var(--tc-border-strong); }
.tc-meta__format--review, .tc-card__type--review { color: var(--tc-text); border-color: var(--tc-border-strong); }
.tc-meta__format--series, .tc-card__type--series { color: var(--tc-secondary); border-color: var(--tc-secondary); }
a.tc-meta__format:hover, a.tc-card__type:hover { filter: brightness(1.08); }

.tc-provenance {
  display: flex;
  flex-wrap: wrap;
  gap: var(--tc-space-2) var(--tc-space-6);
  padding-top: var(--tc-space-4);
  border-top: 1px solid var(--tc-border);
  font-family: var(--tc-mono);
  font-size: var(--tc-fs-micro);
  color: var(--tc-muted);
}
.tc-provenance a { color: var(--tc-secondary); }

/* ---------- Stories ---------- */
.tc-story { margin: 0; }
.tc-story__title { margin: 0 0 var(--tc-space-4); font-size: var(--tc-fs-h2); }
.tc-story__title a { color: inherit; }
.tc-story__title a:hover { color: var(--tc-primary); }
.tc-story__dek { margin: 0 0 var(--tc-space-6); max-width: 62ch; font-size: var(--tc-fs-lead); line-height: 1.6; color: var(--tc-muted); }

.tc-story--featured .tc-story__title {
  font-size: var(--tc-fs-display);
  line-height: var(--tc-lh-tight);
  letter-spacing: -.035em;
}
.tc-story--news .tc-story__title { font-size: var(--tc-fs-h3); font-weight: 500; }

/* Compact list row used by archives and search. */
.tc-story--row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--tc-space-2) var(--tc-space-6);
  padding-block: var(--tc-space-6);
  border-bottom: 1px solid var(--tc-border);
}
.tc-story--row .tc-story__title { flex: 1 1 320px; font-size: var(--tc-fs-h4); font-weight: 500; margin-bottom: var(--tc-space-2); }

/* ---------- Hero ---------- */
.tc-hero { padding-block: var(--tc-space-12); border-bottom: 1px solid var(--tc-border); }
.tc-hero__index-title,
.tc-hero__aside-title {
  margin: 0 0 var(--tc-space-4);
  font-family: var(--tc-mono);
  font-size: var(--tc-fs-meta);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--tc-muted);
  font-weight: 500;
}
.tc-hero__index { border-left: 1px solid var(--tc-border); padding-left: var(--tc-space-6); }
.tc-hero__index ol { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--tc-space-3); }
.tc-hero__index li { display: grid; grid-template-columns: 1.75rem 1fr; gap: var(--tc-space-2); align-items: baseline; margin: 0; }
.tc-hero__index-num { font-family: var(--tc-mono); font-size: var(--tc-fs-micro); color: var(--tc-muted); }
.tc-hero__index li:first-child .tc-hero__index-num { color: var(--tc-primary); }
.tc-hero__index a { font-size: var(--tc-fs-small); line-height: 1.35; }
@media (max-width: 760px) {
  /* Stacked, the 3rem split gap plus the aside's own padding reads as a hole
     under the byline. Tighten both once the columns are no longer side by side. */
  .tc-hero.tc-split { gap: var(--tc-space-6); }
  .tc-hero__index { border-left: 0; border-top: 1px solid var(--tc-border); padding-left: 0; padding-top: var(--tc-space-4); }
  .tc-hero { padding-block: var(--tc-space-8); }
}

/* ---------- Cards ---------- */
.tc-card {
  background: var(--tc-surface);
  padding: var(--tc-space-6);
  display: flex;
  flex-direction: column;
  gap: var(--tc-space-3);
  transition: background var(--tc-transition);
}
.tc-card:hover, .tc-card:focus-within { background: var(--tc-surface-raised); }
.tc-card .tc-meta { margin: 0; font-size: .625rem; }
.tc-card__tag {
  font-family: var(--tc-mono);
  font-size: var(--tc-fs-meta);
  letter-spacing: var(--tc-tracking-meta);
  text-transform: uppercase;
  color: var(--tc-secondary);
}
.tc-card__tag:hover { color: var(--tc-primary); }
.tc-card__title { margin: 0; font-size: var(--tc-fs-h4); line-height: 1.25; letter-spacing: -.015em; font-weight: 500; }
.tc-card__title a { color: inherit; }
.tc-card__title a:hover { color: var(--tc-primary); }
.tc-card__excerpt { margin: 0; font-size: var(--tc-fs-small); line-height: 1.55; color: var(--tc-muted); }
.tc-card__footer { margin: auto 0 0; font-family: var(--tc-mono); font-size: var(--tc-fs-meta); color: var(--tc-muted); }
.tc-card__media { margin: calc(var(--tc-space-6) * -1) calc(var(--tc-space-6) * -1) 0; }
.tc-card__media img { border-radius: 0; width: 100%; object-fit: cover; aspect-ratio: 16 / 9; }
.tc-card--related { border: 1px solid var(--tc-border); border-radius: var(--tc-radius); background: transparent; }
.tc-card--related:hover { border-color: var(--tc-border-strong); background: var(--tc-surface); }

/* ---------- Tags / topic index ---------- */
.tc-tag {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 4px 10px;
  border: 1px solid var(--tc-border);
  border-radius: var(--tc-radius);
  font-family: var(--tc-mono);
  font-size: var(--tc-fs-micro);
  color: var(--tc-muted);
}
.tc-tag:hover { color: var(--tc-primary); border-color: var(--tc-primary); }
.tc-tag-list { display: flex; flex-wrap: wrap; gap: var(--tc-space-2); list-style: none; margin: 0; padding: 0; }
.tc-tag-list li { margin: 0; }

.tc-topic {
  border: 1px solid var(--tc-border);
  border-radius: var(--tc-radius);
  padding: var(--tc-space-4) var(--tc-space-4);
  display: flex;
  flex-direction: column;
  gap: var(--tc-space-1);
  min-height: var(--tc-hit);
  transition: border-color var(--tc-transition), background var(--tc-transition);
}
.tc-topic:hover { border-color: var(--tc-primary); background: var(--tc-surface); color: var(--tc-text); }
.tc-topic__name { font-size: 1rem; font-weight: 500; }
.tc-topic__desc { font-family: var(--tc-mono); font-size: var(--tc-fs-meta); color: var(--tc-muted); letter-spacing: .02em; }

/* ---------- Buttons ---------- */
.tc-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--tc-space-2);
  min-height: var(--tc-hit);
  padding: 0 1.125rem;
  border: 1px solid var(--tc-primary);
  border-radius: var(--tc-radius);
  background: transparent;
  color: var(--tc-primary);
  font-family: var(--tc-mono);
  font-size: .8125rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--tc-transition), color var(--tc-transition);
}
.tc-button:hover { background: var(--tc-primary); color: var(--tc-primary-ink); }
.tc-button--secondary { border-color: var(--tc-border-strong); color: var(--tc-text); }
.tc-button--secondary:hover { background: var(--tc-surface-raised); color: var(--tc-primary); border-color: var(--tc-primary); }

/* ---------- Series ---------- */
.tc-series { border: 1px solid var(--tc-border); border-radius: var(--tc-radius); background: var(--tc-surface); overflow: hidden; }
.tc-series__inner { display: flex; flex-wrap: wrap; }
.tc-series__intro { flex: 1 1 320px; min-width: 0; padding: var(--tc-space-8); border-right: 1px solid var(--tc-border); }
.tc-series__eyebrow { margin: 0 0 var(--tc-space-4); font-family: var(--tc-mono); font-size: var(--tc-fs-meta); letter-spacing: .14em; text-transform: uppercase; color: var(--tc-primary); }
.tc-series__title { margin: 0 0 var(--tc-space-4); font-size: var(--tc-fs-h2); }
.tc-series__dek { margin: 0 0 var(--tc-space-6); color: var(--tc-muted); max-width: 44ch; }
.tc-series__list { list-style: none; margin: 0; padding: 0; flex: 1 1 320px; min-width: 0; display: flex; flex-direction: column; }
.tc-series__item {
  margin: 0;
  border-bottom: 1px solid var(--tc-border);
  padding: var(--tc-space-4) var(--tc-space-8);
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: var(--tc-space-3);
  align-items: baseline;
  transition: background var(--tc-transition);
}
.tc-series__item:last-child { border-bottom: 0; }
.tc-series__item:hover, .tc-series__item:focus-within { background: var(--tc-surface-raised); }
.tc-series__num { font-family: var(--tc-mono); font-size: var(--tc-fs-micro); color: var(--tc-muted); }
.tc-series__item-title { font-size: 1rem; line-height: 1.3; font-weight: 500; }
.tc-series__item-meta { margin: var(--tc-space-1) 0 0; font-family: var(--tc-mono); font-size: var(--tc-fs-meta); color: var(--tc-muted); }
@media (max-width: 760px) {
  .tc-series__intro { border-right: 0; border-bottom: 1px solid var(--tc-border); }
  .tc-series__item { padding-inline: var(--tc-space-6); }
}

/* ---------- Callouts ---------- */
.tc-callout {
  border: 1px solid var(--tc-border);
  border-radius: var(--tc-radius);
  background: var(--tc-surface);
  padding: var(--tc-space-6);
  margin-block: var(--tc-space-8);
}
.tc-callout__label {
  display: flex;
  align-items: center;
  gap: var(--tc-space-2);
  margin: 0 0 var(--tc-space-3);
  font-family: var(--tc-mono);
  font-size: var(--tc-fs-meta);
  letter-spacing: var(--tc-tracking-meta);
  text-transform: uppercase;
  color: var(--tc-muted);
}
.tc-callout > :last-child { margin-bottom: 0; }
.tc-callout--lesson { border-left: 2px solid var(--tc-primary); }
.tc-callout--lesson .tc-callout__label { color: var(--tc-primary); }
.tc-callout--warning { border-left: 2px solid var(--tc-warning); }
.tc-callout--warning .tc-callout__label { color: var(--tc-warning); }
.tc-callout--danger { border-left: 2px solid var(--tc-danger); }
.tc-callout--danger .tc-callout__label { color: var(--tc-danger); }
.tc-callout--note { border-left: 2px solid var(--tc-secondary); }
.tc-callout--note .tc-callout__label { color: var(--tc-secondary); }

.tc-pullquote {
  margin-block: var(--tc-space-12);
  padding-left: var(--tc-space-6);
  border-left: 2px solid var(--tc-primary);
  font-size: var(--tc-fs-h3);
  line-height: 1.35;
  letter-spacing: -.02em;
}
.tc-pullquote p { margin: 0; }
.tc-pullquote footer { margin-top: var(--tc-space-3); font-family: var(--tc-mono); font-size: var(--tc-fs-micro); color: var(--tc-muted); }

/* ---------- Technical components ---------- */
.tc-code-block {
  border: 1px solid var(--tc-border);
  border-radius: var(--tc-radius);
  background: var(--tc-surface);
  margin-block: var(--tc-space-8);
  overflow: hidden;
}
.tc-code-block__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--tc-space-4);
  padding: var(--tc-space-3) var(--tc-space-4);
  border-bottom: 1px solid var(--tc-border);
  font-family: var(--tc-mono);
  font-size: var(--tc-fs-meta);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--tc-muted);
}
.tc-code-block pre, .tc-code-block .wp-block-code {
  margin: 0;
  padding: var(--tc-space-4);
  overflow-x: auto;
  font-size: var(--tc-fs-small);
  line-height: 1.6;
  background: transparent;
  border: 0;
  tab-size: 2;
}

.tc-table-wrap { overflow-x: auto; margin-block: var(--tc-space-8); border: 1px solid var(--tc-border); border-radius: var(--tc-radius); }
.tc-table { margin: 0; }
.tc-table th, .tc-table td { padding: var(--tc-space-3) var(--tc-space-4); }
.tc-table thead th { background: var(--tc-surface); border-bottom-color: var(--tc-border-strong); }
.tc-table tbody tr:last-child td { border-bottom: 0; }
.tc-table tbody tr:hover { background: var(--tc-surface); }

.tc-diagram { border: 1px solid var(--tc-border); border-radius: var(--tc-radius); background: var(--tc-surface); padding: var(--tc-space-6); margin-block: var(--tc-space-8); }
.tc-diagram figcaption { margin-top: var(--tc-space-3); font-family: var(--tc-mono); font-size: var(--tc-fs-micro); color: var(--tc-muted); }

.tc-system-panel {
  border: 1px solid var(--tc-border);
  border-radius: var(--tc-radius);
  background: var(--tc-surface);
  padding: var(--tc-space-6);
  margin-block: var(--tc-space-8);
}
.tc-system-panel__title { margin: 0 0 var(--tc-space-4); font-family: var(--tc-mono); font-size: var(--tc-fs-meta); letter-spacing: .14em; text-transform: uppercase; color: var(--tc-primary); }
.tc-system-panel dl { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--tc-space-4); margin: 0; }
.tc-system-panel dt { font-family: var(--tc-mono); font-size: var(--tc-fs-meta); letter-spacing: .1em; text-transform: uppercase; color: var(--tc-muted); }
.tc-system-panel dd { margin: var(--tc-space-1) 0 0; font-size: var(--tc-fs-small); }

.tc-source-list { border-top: 1px solid var(--tc-border); padding-top: var(--tc-space-6); margin-top: var(--tc-space-12); }
.tc-source-list__title { margin: 0 0 var(--tc-space-4); font-family: var(--tc-mono); font-size: var(--tc-fs-meta); letter-spacing: .14em; text-transform: uppercase; color: var(--tc-muted); }
.tc-source-list ol { list-style: none; counter-reset: tc-src; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--tc-space-3); }
.tc-source-list li { counter-increment: tc-src; display: grid; grid-template-columns: 2rem 1fr; gap: var(--tc-space-2); margin: 0; font-size: var(--tc-fs-small); }
.tc-source-list li::before { content: counter(tc-src, decimal-leading-zero); font-family: var(--tc-mono); font-size: var(--tc-fs-micro); color: var(--tc-muted); }
.tc-source-list a { color: var(--tc-secondary); }

/* ---------- Timeline / workflow ---------- */
.tc-timeline { list-style: none; margin-block: var(--tc-space-8); padding: 0; display: flex; flex-direction: column; }
.tc-timeline li {
  margin: 0;
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: var(--tc-space-4);
  padding: var(--tc-space-4) 0;
  border-top: 1px solid var(--tc-border);
}
.tc-timeline li:last-child { border-bottom: 1px solid var(--tc-border); }
.tc-timeline time { font-family: var(--tc-mono); font-size: var(--tc-fs-micro); color: var(--tc-muted); }
.tc-timeline__title { font-weight: 500; }
@media (max-width: 600px) { .tc-timeline li { grid-template-columns: 1fr; gap: var(--tc-space-1); } }

.tc-workflow { list-style: none; margin-block: var(--tc-space-8); padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--tc-space-4); counter-reset: tc-step; }
.tc-workflow li {
  counter-increment: tc-step;
  margin: 0;
  border: 1px solid var(--tc-border);
  border-radius: var(--tc-radius);
  padding: var(--tc-space-4);
  background: var(--tc-surface);
}
.tc-workflow li::before {
  content: "Step " counter(tc-step);
  display: block;
  margin-bottom: var(--tc-space-2);
  font-family: var(--tc-mono);
  font-size: var(--tc-fs-meta);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--tc-primary);
}

/* ---------- Pagination ---------- */
.tc-pagination { margin-top: var(--tc-space-12); padding-top: var(--tc-space-6); border-top: 1px solid var(--tc-border); }
.tc-pagination .nav-links, .tc-pagination__links { display: flex; flex-wrap: wrap; gap: var(--tc-space-2); align-items: center; }
.tc-pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: var(--tc-hit);
  min-height: var(--tc-hit);
  padding: 0 .75rem;
  border: 1px solid var(--tc-border);
  border-radius: var(--tc-radius);
  font-family: var(--tc-mono);
  font-size: var(--tc-fs-small);
  color: var(--tc-text);
  text-decoration: none;
}
.tc-pagination .page-numbers:hover { border-color: var(--tc-primary); color: var(--tc-primary); }
.tc-pagination .page-numbers.current { background: var(--tc-primary); border-color: var(--tc-primary); color: var(--tc-primary-ink); }
.tc-pagination .page-numbers.dots { border-color: transparent; color: var(--tc-muted); }

.tc-post-nav { display: flex; flex-wrap: wrap; gap: var(--tc-space-4); margin-top: var(--tc-space-8); }
.tc-post-nav__item { flex: 1 1 260px; border: 1px solid var(--tc-border); border-radius: var(--tc-radius); padding: var(--tc-space-4); }
.tc-post-nav__item:hover { border-color: var(--tc-primary); }
.tc-post-nav__label { display: block; font-family: var(--tc-mono); font-size: var(--tc-fs-meta); letter-spacing: .12em; text-transform: uppercase; color: var(--tc-muted); margin-bottom: var(--tc-space-2); }

/* ---------- States ---------- */
.tc-empty-state, .tc-error-state, .tc-loading-state, .tc-notice {
  border: 1px solid var(--tc-border);
  border-radius: var(--tc-radius);
  background: var(--tc-surface);
  padding: var(--tc-space-6);
  margin-block: var(--tc-space-8);
}
.tc-empty-state__title, .tc-error-state__title { margin: 0 0 var(--tc-space-3); font-size: var(--tc-fs-h3); }
.tc-empty-state p, .tc-error-state p { color: var(--tc-muted); max-width: 60ch; }
.tc-empty-state > :last-child, .tc-error-state > :last-child, .tc-notice > :last-child { margin-bottom: 0; }
.tc-error-state { border-left: 2px solid var(--tc-danger); }
.tc-error-state__label { color: var(--tc-danger); }
.tc-loading-state { color: var(--tc-muted); font-family: var(--tc-mono); font-size: var(--tc-fs-small); }
.tc-notice__label { margin: 0 0 var(--tc-space-2); font-family: var(--tc-mono); font-size: var(--tc-fs-meta); letter-spacing: var(--tc-tracking-meta); text-transform: uppercase; color: var(--tc-primary); }
.tc-notice p { margin: 0; font-size: var(--tc-fs-small); line-height: 1.5; color: var(--tc-muted); }

/* ---------- Site footer ---------- */
.tc-site__footer { border-top: 1px solid var(--tc-border); background: var(--tc-surface); margin-top: var(--tc-space-8); }
.tc-site__footer-title { margin: 0 0 var(--tc-space-1); font-size: 1.125rem; font-weight: 700; letter-spacing: -.02em; }
.tc-site__footer-line { margin: 0 0 var(--tc-space-4); font-family: var(--tc-mono); font-size: .625rem; letter-spacing: .14em; text-transform: uppercase; color: var(--tc-primary); }
.tc-site__footer-about { margin: 0; font-size: var(--tc-fs-small); line-height: 1.6; color: var(--tc-muted); max-width: 42ch; }
.tc-site__footer-heading { margin: 0 0 var(--tc-space-1); font-family: var(--tc-mono); font-size: .625rem; letter-spacing: .14em; text-transform: uppercase; color: var(--tc-muted); }
.tc-site__footer-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--tc-space-2); }
.tc-site__footer-nav li { margin: 0; }
.tc-site__footer-nav a { font-size: var(--tc-fs-small); color: var(--tc-secondary); }
.tc-site__footer-nav a:hover { color: var(--tc-primary); }
.tc-site__legal { border-top: 1px solid var(--tc-border); }
.tc-site__legal p { margin: 0; padding-block: var(--tc-space-4); font-family: var(--tc-mono); font-size: var(--tc-fs-meta); color: var(--tc-muted); }

/* ---------- Article header ---------- */
.tc-article__header { padding-bottom: var(--tc-space-8); border-bottom: 1px solid var(--tc-border); margin-bottom: var(--tc-space-8); }
.tc-article__title { margin: 0 0 var(--tc-space-4); font-size: var(--tc-fs-display); line-height: var(--tc-lh-tight); letter-spacing: -.035em; }
.tc-article__dek { margin: 0 0 var(--tc-space-6); font-size: var(--tc-fs-lead); line-height: 1.55; color: var(--tc-muted); max-width: 62ch; }
.tc-article__figure { margin: 0 0 var(--tc-space-8); }
.tc-article__figure figcaption { margin-top: var(--tc-space-3); font-family: var(--tc-mono); font-size: var(--tc-fs-micro); color: var(--tc-muted); }
.tc-article__section { margin-block: var(--tc-space-12); }
.tc-article__section-number { margin: 0 0 var(--tc-space-2); font-family: var(--tc-mono); font-size: var(--tc-fs-micro); color: var(--tc-primary); letter-spacing: .12em; }

/* ---------- Archive header ---------- */
.tc-archive__header { padding-block: var(--tc-space-12) var(--tc-space-8); border-bottom: 1px solid var(--tc-border); }
.tc-archive__eyebrow { margin: 0 0 var(--tc-space-3); font-family: var(--tc-mono); font-size: var(--tc-fs-meta); letter-spacing: .14em; text-transform: uppercase; color: var(--tc-primary); }
.tc-archive__title { margin: 0 0 var(--tc-space-4); font-size: var(--tc-fs-h1); }
.tc-archive__desc { margin: 0; color: var(--tc-muted); max-width: 62ch; font-size: var(--tc-fs-lead); }
.tc-archive__count { margin: var(--tc-space-4) 0 0; font-family: var(--tc-mono); font-size: var(--tc-fs-micro); color: var(--tc-muted); }