/* =========================================================================
   Personal site — Will Hennessy
   Aesthetic: friendly playful builder, Staff-level PM. Roomy.
   ========================================================================= */

/* ── Page shell ───────────────────────────────────────────────────────── */
.page {
  max-width: 880px;
  margin: 0 auto;
  padding: 40px 20px 48px;
}
@media (min-width: 720px) {
  .page { padding: 64px 48px 64px; }
}

/* ── Top nav ──────────────────────────────────────────────────────────── */
.topnav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 32px;
}
.topnav-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--color-text-primary);
  text-decoration: none;
}
.topnav-brand-mark {
  width: 28px; height: 28px;
  border-radius: 999px;
  background: var(--color-brand);
  color: #fff;
  display: grid; place-items: center;
  font-family: var(--font-display); font-style: italic; font-size: 15px;
  font-weight: 400;
  box-shadow: inset 0 -2px 0 rgba(0,0,0,0.08);
}
.topnav-links {
  display: flex; gap: 6px; list-style: none; margin: 0; padding: 0;
  font-size: 14px;
}
.topnav-link {
  display: inline-block;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: background var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}
.topnav-link:hover { background: var(--color-hover-bg); color: var(--color-text-primary); }

/* ── Hero ─────────────────────────────────────────────────────────────── */
.hero {
  display: flex;
  flex-direction: row;
  align-items: center;
  text-align: left;
  gap: 20px;
  padding: 32px 0;
}
@media (min-width: 720px) {
  .hero { padding: 40px 0; gap: 20px; }
}
.hero-portrait {
  width: 88px;
  height: 88px;
  flex: 0 0 88px;
  aspect-ratio: 1 / 1;
  border-radius: 999px;
  overflow: hidden;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-default);
  margin: 0;
}
.hero-portrait img {
  width: 100%; height: 100%; display: block; object-fit: cover;
}
.hero-text { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.hero-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 38px;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--color-text-primary);
}
.hero-sub {
  margin: 0;
  font-size: 13px;
  color: var(--color-text-tertiary);
  letter-spacing: 0.01em;
}

/* ── Section basics ───────────────────────────────────────────────────── */
.section { padding: 14px 0; }
@media (min-width: 720px) { .section { padding: 16px 0; } }
/* Add 4px between sections without touching the top of the first one.
   Writing gets 8px extra padding-bottom for breathing room before Projects. */
.section + .section { padding-top: 18px; }
.section.writing { padding-bottom: 26px; }
@media (min-width: 720px) {
  .section + .section { padding-top: 20px; }
  .section.writing { padding-bottom: 28px; }
}

.section-head {
  display: flex; align-items: baseline; gap: 16px;
  margin-bottom: 28px;
}
.section-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.section-eyebrow-num {
  display: inline-grid; place-items: center;
  min-width: 18px; height: 18px; padding: 0 5px;
  border-radius: var(--radius-xs);
  background: var(--color-pill-active-bg);
  color: var(--color-text-tertiary);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
}
.section-title {
  font-family: "Instrument Sans", var(--font-sans);
  font-style: normal;
  font-weight: 500;
  font-size: 28px;
  letter-spacing: -0.56px;
  line-height: 1.05;
  margin: 8px 0 24px;
  color: var(--color-text-primary);
}
.section-lede {
  font-size: 17px;
  color: var(--color-text-secondary);
  max-width: 60ch;
  margin: 0;
}

/* ── About ────────────────────────────────────────────────────────────── */
.about p {
  font-size: 17px;
  line-height: 1.65;
  color: var(--color-text-secondary);
  max-width: 60ch;
  margin: 0 0 16px;
  text-wrap: pretty;
}
.about p:first-of-type::first-letter {
  font-size: inherit !important;
  float: none !important;
  font-family: inherit !important;
  font-style: inherit !important;
  color: inherit !important;
  padding: 0 !important;
  line-height: inherit !important;
}
.about a {
  color: var(--color-text-primary);
  text-decoration: none;
  border-bottom: 1px solid var(--color-brand);
  transition: background var(--duration-fast) var(--ease-out);
}
.about a:hover { background: color-mix(in srgb, var(--color-brand) 14%, transparent); }

/* ── Writing list ─────────────────────────────────────────────────────── */
.writing-list {
  list-style: none; padding: 0; margin: 0;
  border-top: 1px solid var(--color-border-subtle);
}
.writing-item {
  border-bottom: 1px solid var(--color-border-subtle);
}
.writing-link {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: 20px;
  padding: 22px 4px;
  color: var(--color-text-primary);
  text-decoration: none;
  transition: padding var(--duration-medium) var(--ease-out);
}
.writing-link:hover { padding-left: 16px; padding-right: 16px; background: var(--color-bg-sidebar); }
.writing-date {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  text-transform: uppercase;
  white-space: nowrap;
  width: 96px;
}
.writing-title {
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 0;
}
.writing-title em {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
}
.writing-arrow { display: none; }
.writing-link:hover .writing-arrow {
  color: var(--color-signal);
  transform: translateX(4px);
}
.writing-meta {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 4px;
  grid-column: 2;
}
@media (max-width: 640px) {
  .writing-link { grid-template-columns: 1fr auto; gap: 4px 12px; }
  .writing-date { width: auto; grid-column: 1; grid-row: 1; }
  .writing-arrow { grid-column: 2; grid-row: 1 / span 2; align-self: center; }
  /* Title and meta are wrapped in an unclassed <div>, which is the actual
     grid item. Span it across both columns so titles wrap against the full
     width instead of an auto-sized column that swings with content length. */
  .writing-link > div { grid-column: 1 / -1; grid-row: 2; }
}

/* ── Projects grid ────────────────────────────────────────────────────── */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 600px) { .projects-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 880px) { .projects-grid { grid-template-columns: repeat(3, 1fr); } }

.project-card {
  display: flex; flex-direction: column;
  border-radius: var(--radius-xl);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-default);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform var(--duration-medium) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-medium) var(--ease-out);
}
.project-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-border-strong);
  box-shadow: 0 6px 24px -10px rgba(20,18,12,0.18);
}

.project-thumb {
  aspect-ratio: 4 / 3;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border-subtle);
  /* colors are set per-card via --thumb-a / --thumb-b / --thumb-glyph */
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--thumb-a) 22%, var(--color-bg-sidebar)),
    color-mix(in srgb, var(--thumb-b) 16%, var(--color-bg-sidebar)));
}
.project-thumb::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, color-mix(in srgb, var(--thumb-a) 45%, transparent), transparent 45%),
    radial-gradient(circle at 80% 70%, color-mix(in srgb, var(--thumb-b) 40%, transparent), transparent 40%);
}
.project-thumb-glyph {
  position: absolute;
  inset: 0;
  display: grid; place-items: center;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 72px;
  color: color-mix(in srgb, var(--thumb-ink, var(--color-text-primary)) 80%, transparent);
  letter-spacing: -0.03em;
}
.project-thumb-tag {
  position: absolute;
  top: 12px; left: 12px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: rgba(252, 252, 248, 0.8);
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--color-border-subtle);
}
[data-theme="dark"] .project-thumb-tag {
  background: rgba(38, 38, 37, 0.7);
}

.project-meta {
  padding: 18px 20px 22px;
  display: flex; flex-direction: column; gap: 6px;
}
.project-name {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-text-primary);
  margin: 0;
  display: flex; align-items: center; gap: 8px;
}
.project-name-arrow {
  color: var(--color-text-muted);
  transition: transform var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}
.project-card:hover .project-name-arrow {
  color: var(--color-signal);
  transform: translate(3px, -3px);
}
.project-desc {
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-text-tertiary);
  margin: 0;
  text-wrap: pretty;
}
.project-year {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  text-transform: uppercase;
  margin-top: 2px;
}

/* ── Footer ───────────────────────────────────────────────────────────── */
.footer {
  margin-top: 80px;
  padding-top: 28px;
  border-top: 1px solid var(--color-border-subtle);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 16px;
  font-size: 13px;
  color: var(--color-text-muted);
}
.footer a {
  color: var(--color-text-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
  transition: border-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}
.footer a:hover { color: var(--color-text-primary); border-bottom-color: var(--color-brand); }
.footer-social {
  display: flex; gap: 18px;
}

/* ── Theme toggle (Architect reference) ───────────────────────────────── */
.theme-toggle {
  --theme-toggle-width: 80px;
  --theme-toggle-height: 40px;
  --theme-slot-size: 18px;
  --theme-slot-edge: 11px;
  --theme-thumb-size: 30px;
  --theme-thumb-inset: calc(var(--theme-slot-edge) + (var(--theme-slot-size) / 2) - (var(--theme-thumb-size) / 2));
  --theme-thumb-left: var(--theme-thumb-inset);
  --theme-accent: var(--color-brand);
  appearance: none;
  cursor: pointer;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--theme-toggle-width);
  min-width: var(--theme-toggle-width);
  height: var(--theme-toggle-height);
  padding: 4px;
  background-color: color-mix(in srgb, var(--color-bg-surface) 88%, var(--color-bg-sidebar));
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-default);
  border-radius: 999px;
  overflow: hidden;
  isolation: isolate;
  transition:
    border-color var(--duration-fast) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out);
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 2px;
}

.theme-toggle::before {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  background: radial-gradient(circle at 24% 30%, color-mix(in srgb, var(--theme-accent) 16%, transparent), transparent 44%);
  opacity: 0.95;
  transition:
    opacity var(--duration-fast) var(--ease-out),
    background-position var(--duration-medium) var(--ease-drawer);
  pointer-events: none;
}

.theme-toggle[data-current-theme="dark"] {
  --theme-accent: var(--color-signal);
  --theme-thumb-left: calc(100% - var(--theme-thumb-size) - var(--theme-thumb-inset));
}

.theme-toggle[data-current-theme="dark"]::before {
  background: radial-gradient(circle at 76% 30%, color-mix(in srgb, var(--theme-accent) 18%, transparent), transparent 44%);
}

.theme-toggle-track {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.theme-toggle-slot,
.theme-toggle-thumb {
  position: absolute;
  top: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  transform: translateY(-50%);
}

.theme-toggle-slot {
  width: var(--theme-slot-size);
  height: var(--theme-slot-size);
  color: var(--color-text-tertiary);
  opacity: 0.84;
  z-index: 2;
  transition:
    opacity var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out),
    transform var(--duration-medium) var(--ease-drawer);
}

.theme-toggle-slot svg,
.theme-toggle-thumb svg {
  display: block;
  width: 15px;
  height: 15px;
}

.theme-toggle-slot-light {
  left: var(--theme-slot-edge);
}

.theme-toggle-slot-dark {
  right: var(--theme-slot-edge);
}

.theme-toggle-thumb {
  left: var(--theme-thumb-left);
  width: var(--theme-thumb-size);
  height: var(--theme-thumb-size);
  z-index: 1;
  background-color: color-mix(in srgb, var(--color-bg-surface-elevated) 92%, var(--color-bg-surface));
  border: 1px solid var(--color-border-default);
  color: var(--theme-accent);
  transition:
    left var(--duration-medium) var(--ease-drawer),
    background-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out);
}

.theme-toggle-thumb::before {
  content: "";
  position: absolute;
  inset: 2px;
  border-radius: inherit;
  background: radial-gradient(circle at 34% 30%, color-mix(in srgb, var(--theme-accent) 14%, white 14%), transparent 66%);
  opacity: 0.95;
  pointer-events: none;
}

.theme-toggle-thumb-icon {
  position: absolute;
  inset: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.82);
  pointer-events: none;
}

.theme-toggle[data-current-theme="dark"] .theme-toggle-thumb {
  color: var(--color-signal);
  background-color: color-mix(in srgb, var(--color-bg-surface-elevated) 88%, var(--color-bg-surface-raised));
  border-color: var(--color-border-strong);
}

.theme-toggle[data-current-theme="light"] .theme-toggle-slot-light {
  color: var(--color-brand);
  opacity: 1;
  transform: translateY(-50%) scale(1.02);
}

.theme-toggle[data-current-theme="dark"] .theme-toggle-slot-dark {
  color: var(--color-signal);
  opacity: 1;
  transform: translateY(-50%) scale(1.02);
}

.theme-toggle[data-current-theme="light"] .theme-toggle-slot-dark {
  color: var(--color-icon-muted);
  opacity: 0.74;
  transform: translateY(-50%) scale(1);
}

.theme-toggle[data-current-theme="dark"] .theme-toggle-slot-light {
  color: var(--color-icon-muted);
  opacity: 0.74;
  transform: translateY(-50%) scale(1);
}

.theme-toggle:hover:not(:disabled) {
  border-color: var(--color-border-strong);
  background-color: color-mix(in srgb, var(--color-hover-bg) 72%, var(--color-bg-surface));
}

@media (prefers-reduced-motion: reduce) {
  .theme-toggle::before,
  .theme-toggle-thumb,
  .theme-toggle-thumb::before,
  .theme-toggle-thumb-icon,
  .theme-toggle-slot {
    transition: none !important;
  }
}

/* ── Article page ─────────────────────────────────────────────────────── */
.article-toprow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 48px;
}
.article-toprow .article-back { margin-bottom: 0; }
.article {
  max-width: 680px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}
@media (min-width: 720px) { .article { padding: 48px 24px 80px; } }
.article-back {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  text-decoration: none;
  margin-bottom: 48px;
  margin-left: -6px;
  padding: 6px 10px 6px 6px;
  border-radius: var(--radius-pill);
  transition: background var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}
.article-back:hover { background: var(--color-hover-bg); color: var(--color-text-primary); }
.article-back svg { width: 14px; height: 14px; }
.article-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 14px;
}
.article-title {
  font-family: "Instrument Sans", var(--font-sans);
  font-style: normal;
  font-weight: 400;
  font-size: 48px;
  letter-spacing: -0.025em;
  line-height: 1.05;
  margin: 0 0 24px;
  text-wrap: balance;
}
.article-lede {
  font-size: 20px;
  line-height: 1.5;
  color: var(--color-text-tertiary);
  margin: 0 0 32px;
  text-wrap: pretty;
}
.article-body {
  font-size: 17px;
  line-height: 1.7;
  color: var(--color-text-secondary);
}
.article-body h2 {
  font-family: "Instrument Sans", var(--font-sans);
  font-style: normal;
  font-weight: 500;
  font-size: 24px;
  letter-spacing: -0.015em;
  line-height: 1.2;
  color: var(--color-text-primary);
  margin: 56px 0 16px;
}
.article-body h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 36px 0 8px;
}
.article-body p { margin: 0 0 20px; text-wrap: pretty; }
.article-body blockquote {
  margin: 32px 0;
  padding: 4px 0 4px 24px;
  border-left: 3px solid var(--color-brand);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 22px;
  line-height: 1.45;
  color: var(--color-text-primary);
}
.article-body h4 {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  font-weight: 500;
  margin: 28px 0 8px;
}
.article-body p { margin: 0 0 20px; text-wrap: pretty; }
.article-body strong { color: var(--color-text-primary); font-weight: 600; }
.article-body em {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: 1.05em;
  color: var(--color-text-primary);
}
.article-body del { color: var(--color-text-muted); }
.article-body mark {
  background: color-mix(in srgb, var(--color-brand) 22%, transparent);
  color: var(--color-text-primary);
  padding: 0 3px;
  border-radius: 2px;
}
.article-body small { font-size: 0.85em; color: var(--color-text-tertiary); }

.article-body blockquote {
  margin: 32px 0;
  padding: 4px 0 4px 24px;
  border-left: 3px solid var(--color-brand);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 22px;
  line-height: 1.45;
  color: var(--color-text-primary);
}
.article-body blockquote p { margin: 0 0 12px; }
.article-body blockquote p:last-child { margin: 0; }
.article-body blockquote cite {
  display: block;
  margin-top: 12px;
  font-family: var(--font-sans);
  font-style: normal;
  font-size: 13px;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}
.article-body blockquote cite::before { content: "— "; }

/* Lists */
.article-body ul,
.article-body ol { padding-left: 24px; margin: 0 0 20px; }
.article-body li { margin-bottom: 8px; padding-left: 4px; }
.article-body li::marker { color: var(--color-text-muted); }
.article-body ul { list-style: none; padding-left: 8px; }
.article-body ul > li {
  position: relative;
  padding-left: 22px;
}
.article-body ul > li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.7em;
  width: 6px; height: 6px;
  border-radius: 999px;
  background: var(--color-brand);
}
.article-body ul ul,
.article-body ol ol,
.article-body ul ol,
.article-body ol ul { margin: 8px 0 0; }
.article-body ul ul > li::before {
  background: transparent;
  border: 1px solid var(--color-text-muted);
}

/* Task / checklist (rendered from `- [ ]` markdown) */
.article-body ul.task-list,
.article-body ul.contains-task-list { padding-left: 4px; }
.article-body ul.task-list > li,
.article-body li.task-list-item { list-style: none; padding-left: 0; }
.article-body ul.task-list > li::before,
.article-body li.task-list-item::before { display: none; }
.article-body li.task-list-item input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 14px; height: 14px;
  border: 1px solid var(--color-border-strong);
  border-radius: 3px;
  background: var(--color-bg-surface);
  vertical-align: -2px;
  margin-right: 10px;
  position: relative;
}
.article-body li.task-list-item input[type="checkbox"]:checked {
  background: var(--color-brand);
  border-color: var(--color-brand);
}
.article-body li.task-list-item input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  left: 3px; top: 0px;
  width: 4px; height: 8px;
  border: solid #fff;
  border-width: 0 1.5px 1.5px 0;
  transform: rotate(45deg);
}

/* Definition list */
.article-body dl {
  margin: 0 0 20px;
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 8px 20px;
  border-top: 1px solid var(--color-border-subtle);
  padding-top: 16px;
}
.article-body dt {
  font-weight: 600;
  color: var(--color-text-primary);
  font-size: 15px;
}
.article-body dd { margin: 0; color: var(--color-text-secondary); }

/* Inline code & code blocks */
.article-body code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--color-bg-sidebar);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xs);
  padding: 1px 6px;
}
.article-body pre {
  margin: 28px 0;
  padding: 20px 22px;
  background: var(--color-bg-sidebar);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  overflow-x: auto;
  font-size: 14px;
  line-height: 1.6;
  position: relative;
}
.article-body pre code {
  background: transparent;
  border: 0;
  padding: 0;
  font-size: inherit;
  color: var(--color-text-primary);
}
.article-body pre[data-lang]::before {
  content: attr(data-lang);
  position: absolute;
  top: 10px; right: 14px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.article-body kbd {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78em;
  padding: 1px 6px 2px;
  border: 1px solid var(--color-border-strong);
  border-bottom-width: 2px;
  border-radius: 4px;
  background: var(--color-bg-surface);
  color: var(--color-text-primary);
  line-height: 1;
  vertical-align: 1px;
}

/* Tables */
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-size: 15px;
  font-variant-numeric: tabular-nums;
}
.article-body thead th {
  text-align: left;
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border-default);
}
.article-body tbody td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--color-border-subtle);
  color: var(--color-text-secondary);
  vertical-align: top;
}
.article-body tbody tr:last-child td { border-bottom: 1px solid var(--color-border-default); }
.article-body th[align="right"], .article-body td[align="right"] { text-align: right; }
.article-body th[align="center"], .article-body td[align="center"] { text-align: center; }

/* Images & figures */
.article-body img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
}
.article-body img.no-border {
  border: 0;
}
.article-body figure {
  margin: 32px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.article-body figure.full-bleed {
  margin-left: calc(50% - 50vw + 16px);
  margin-right: calc(50% - 50vw + 16px);
  max-width: calc(100vw - 32px);
}
@media (min-width: 720px) {
  .article-body figure.wide {
    margin-left: -60px;
    margin-right: -60px;
  }
}
.article-body figcaption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  text-align: center;
}
.article-body .placeholder-image {
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background:
    repeating-linear-gradient(
      135deg,
      var(--color-bg-sidebar) 0 14px,
      var(--color-bg-app) 14px 28px
    );
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* Horizontal rule — three dots */
.article-body hr {
  border: 0;
  margin: 56px auto;
  height: 6px;
  width: 60px;
  background-image: radial-gradient(circle, var(--color-text-muted) 1.5px, transparent 1.6px);
  background-size: 20px 6px;
  background-repeat: repeat-x;
  background-position: center;
  opacity: 0.7;
}

/* Aside / callout (use <aside class="callout"> or class="note") */
.article-body aside,
.article-body .callout,
.article-body .note {
  margin: 28px 0;
  padding: 18px 22px;
  background: var(--color-bg-sidebar);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text-secondary);
}
.article-body aside p:last-child,
.article-body .callout p:last-child,
.article-body .note p:last-child { margin-bottom: 0; }
.article-body .callout-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin-bottom: 6px;
}

/* Footnotes */
.article-body sup a,
.article-body a.footnote-ref {
  font-family: var(--font-mono);
  font-size: 0.7em;
  vertical-align: super;
  border: 0;
  color: var(--color-signal);
  padding: 0 2px;
  text-decoration: none;
}
.article-body sup a:hover { background: transparent; color: var(--color-signal-hover); }
.article-footnotes {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border-subtle);
  font-size: 14px;
  color: var(--color-text-tertiary);
}
.article-footnotes ol { padding-left: 22px; }
.article-footnotes li { margin-bottom: 8px; padding-left: 0; }
.article-footnotes li::before { display: none; }

.article-body a {
  color: var(--color-text-primary);
  text-decoration: none;
  border-bottom: 1px solid var(--color-brand);
  transition: background var(--duration-fast) var(--ease-out);
}
.article-body a:hover { background: color-mix(in srgb, var(--color-brand) 14%, transparent); }

/* Article footer / colophon */
.article-colophon {
  margin: 48px 0 0;
  padding-top: 28px;
  border-top: 1px solid var(--color-border-subtle);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.article-colophon a {
  color: var(--color-text-tertiary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
}
.article-colophon a:hover { color: var(--color-text-primary); border-bottom-color: var(--color-brand); }

/* Author byline */
.article-byline {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 40px;
  padding: 0 0 16px;
  border-bottom: 1px solid var(--color-border-subtle);
}
.article-byline-avatar {
  width: 36px; height: 36px;
  border-radius: 999px;
  overflow: hidden;
  background: var(--color-bg-sidebar);
  border: 1px solid var(--color-border-default);
  flex: 0 0 36px;
}
.article-byline-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }
.article-byline-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-primary);
  margin: 0;
}
.article-byline-meta {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin: 2px 0 0;
}

/* Next/prev navigation */
.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 56px;
}
@media (max-width: 600px) { .article-nav { grid-template-columns: 1fr; } }
.article-nav-link {
  display: block;
  padding: 18px 20px;
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--duration-fast) var(--ease-out), background var(--duration-fast) var(--ease-out);
}
.article-nav-link:hover { border-color: var(--color-border-strong); background: var(--color-bg-sidebar); }
.article-nav-link.next { text-align: right; }
.article-nav-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  display: block;
  margin-bottom: 6px;
}
.article-nav-title {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text-primary);
  margin: 0;
  letter-spacing: -0.01em;
}