/* ============================================================
   Site layer — page-level pieces built on Mosaic Press tokens.
   Only contains things system.css does not provide:
   sticky nav, hero, footer, and blog article prose.
   No new colors or fonts — everything references system tokens.
   ============================================================ */

/* ---------- Skip link ---------- */
.site-skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--color-ink);
  color: var(--color-on-ink);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
}
.site-skip:focus {
  left: var(--space-md);
  top: var(--space-md);
}

/* ---------- Navigation ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--surface-page);
  border-bottom: var(--border-hairline);
}

.site-nav__inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: var(--font-size-title-md);
  letter-spacing: var(--tracking-display);
  color: var(--text-primary);
}

.site-brand__mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--color-ink);
  color: var(--color-on-ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

/* Signature logo: transparent SVG, inherits ink color */
.site-brand__logo {
  height: 84px;
  width: auto;
  max-width: 300px;
  object-fit: contain;
}

.site-navlinks {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.site-navlink {
  font-family: var(--font-ui);
  font-size: var(--font-size-body-md);
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--duration-base) var(--ease-standard);
}
.site-navlink:hover,
.site-navlink[aria-current="page"] {
  color: var(--text-primary);
}

.site-nav__toggle {
  display: none;
}

/* ---------- Hero ---------- */
.site-hero {
  padding-top: var(--space-xl);
}

.site-hero__title {
  font-size: var(--font-size-display-xl);
}

.site-hero__lead {
  max-width: 54ch;
}

.site-avatar-xl {
  width: 132px;
  height: 132px;
  border-radius: var(--radius-pill);
  background: var(--color-stone);
  overflow: hidden;
  border: var(--border-hairline);
  flex: 0 0 132px;
}
.site-avatar-xl img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- Section heading ---------- */
.site-section {
  padding-top: var(--space-3xl);
}
.site-section__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

/* ---------- Experience / list rows ---------- */
.site-list {
  display: flex;
  flex-direction: column;
}
.site-listitem {
  display: grid;
  grid-template-columns: 160px 1fr auto;
  gap: var(--space-lg);
  padding: var(--space-lg) 0;
  border-top: var(--border-hairline);
  align-items: baseline;
}
.site-listitem:last-child {
  border-bottom: var(--border-hairline);
}
@media (max-width: 640px) {
  .site-listitem {
    grid-template-columns: 1fr;
    gap: var(--space-2xs);
  }
}

/* ---------- Footer ---------- */
.site-footer {
  margin-top: var(--space-3xl);
  border-top: var(--border-hairline);
  background: var(--color-cloud);
}
.site-footer__inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

/* ---------- Blog: article prose ---------- */
.prose {
  max-width: 68ch;
  margin: 0 auto;
  font-family: var(--font-ui);
  font-size: var(--font-size-body-lg);
  line-height: var(--leading-loose);
  color: var(--text-primary);
}
.prose > * + * {
  margin-top: var(--space-lg);
}
.prose h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--font-size-headline-md);
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-display);
  margin-top: var(--space-2xl);
}
.prose h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--font-size-title-lg);
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-display);
  margin-top: var(--space-xl);
}
.prose p,
.prose ul,
.prose ol {
  color: var(--text-primary);
}
.prose a {
  color: var(--color-violet-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.prose a:hover {
  color: var(--color-violet);
}
.prose ul,
.prose ol {
  padding-left: var(--space-lg);
}
.prose li + li {
  margin-top: var(--space-xs);
}
.prose blockquote {
  margin: var(--space-xl) 0;
  padding: var(--space-md) var(--space-lg);
  border-left: 3px solid var(--color-violet);
  background: var(--color-violet-soft);
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: var(--font-size-title-md);
  line-height: var(--leading-snug);
  color: var(--text-primary);
}
.prose code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.88em;
  background: var(--color-paper);
  border: var(--border-hairline);
  border-radius: var(--radius-sm);
  padding: 2px 6px;
}
.prose pre {
  background: var(--color-ink);
  color: var(--color-on-ink);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  overflow-x: auto;
  font-size: var(--font-size-body-md);
  line-height: var(--leading-normal);
}
.prose pre code {
  background: none;
  border: none;
  padding: 0;
  color: inherit;
  font-size: inherit;
}
.prose img {
  border-radius: var(--radius-lg);
  border: var(--border-hairline);
}
.prose figure {
  margin: var(--space-xl) 0;
}
.prose figcaption {
  margin-top: var(--space-sm);
  font-size: var(--font-size-body-sm);
  color: var(--text-secondary);
  text-align: center;
}
.prose hr {
  height: 1px;
  border: none;
  background: var(--color-stone);
  margin: var(--space-2xl) 0;
}

/* article header band */
.article-head {
  max-width: 68ch;
  margin: 0 auto var(--space-2xl);
}

/* ---------- Blog: digest card ----------
   Adapted from a Uiverse component (uiverse-astronaut), cleaned to match
   the Mosaic Press system and anti-slop rules (no eyebrow/chip/dot). */
.mp-digest-card {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  background: var(--color-cloud);
  color: var(--color-ink);
  border: 1px solid var(--color-stone);
  border-radius: 24px;
  padding: var(--space-xl);
  text-decoration: none;
  transition:
    transform 200ms cubic-bezier(0.2, 0, 0, 1),
    box-shadow 200ms cubic-bezier(0.2, 0, 0, 1);
}
.mp-digest-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.mp-digest-card:focus-visible {
  outline: none;
  box-shadow:
    0 0 0 3px var(--color-paper),
    0 0 0 5px var(--color-violet);
}
.mp-digest-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--font-size-headline-md);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}
.mp-digest-card__italic {
  font-style: italic;
}
.mp-digest-card__body {
  margin: 0;
  font-size: var(--font-size-body-md);
  line-height: 1.5;
  color: var(--color-muted-ink);
}
.mp-digest-card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  margin-top: var(--space-xs);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-stone);
}
.mp-digest-card__meta {
  font-size: var(--font-size-body-sm);
  color: var(--color-muted-ink);
}
.mp-digest-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--font-size-body-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-ink);
  transition:
    gap 200ms cubic-bezier(0.2, 0, 0, 1),
    color 200ms cubic-bezier(0.2, 0, 0, 1);
}
.mp-digest-card__cta svg {
  width: 16px;
  height: 16px;
}
.mp-digest-card:hover .mp-digest-card__cta,
.mp-digest-card:focus-visible .mp-digest-card__cta {
  gap: 10px;
  color: var(--color-violet);
}

/* ---------- Mobile nav ---------- */
@media (max-width: 720px) {
  .site-navlinks {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--surface-page);
    border-bottom: var(--border-hairline);
    padding: var(--space-sm) var(--space-xl) var(--space-lg);
  }
  .site-navlinks.is-open {
    display: flex;
  }
  .site-navlinks .site-navlink {
    padding: var(--space-sm) 0;
  }
  .site-nav__toggle {
    display: inline-flex;
  }
}