/* site.css — page-level chrome on top of the portfolio design system.
   Only layout/rhythm that the DS components don't own. Uses --pf-* tokens only. */

/* Skip link (WCAG 2.2 AA — bypass blocks) */
.site-skip {
  position: absolute;
  left: var(--pf-space-2);
  top: var(--pf-space-2);
  z-index: 100;
  transform: translateY(-150%);
  background: var(--pf-ink);
  color: var(--pf-surface);
  font-family: var(--pf-font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--pf-tracking-caps, .06em);
  font-size: var(--pf-text-small);
  padding: var(--pf-space-1) var(--pf-space-2);
  text-decoration: none;
  transition: transform var(--pf-dur, .2s) var(--pf-ease, ease);
}
.site-skip:focus { transform: translateY(0); }

/* Theme toggle sitting inside the nav links row */
.site-theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--pf-space-1);
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
  font-family: var(--pf-font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--pf-tracking-label, .04em);
  font-size: var(--pf-text-label);
  color: var(--pf-ink-tertiary);
  transition: color var(--pf-dur, .2s) var(--pf-ease, ease);
}
.site-theme-toggle::before {
  content: "";
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid currentColor;
}
.site-theme-toggle:hover { color: var(--pf-ink); }

/* Generic page shell */
.site-main { display: block; }
.site-lede {
  max-width: var(--pf-measure);
}

/* Selected-work list on the home page: stacked project cards */
.site-work { display: grid; gap: var(--pf-space-6); }

/* "Password-protected" affordance under a gated project */
.site-lock {
  display: inline-flex;
  align-items: center;
  gap: var(--pf-space-1);
  font-family: var(--pf-font-body);
  font-size: var(--pf-text-small);
  color: var(--pf-ink-secondary);
  margin-top: var(--pf-space-2);
}
.site-lock__key { color: var(--pf-accent); }

/* Long-form reading column (about + case study prose) */
.site-prose > * + * { margin-top: var(--pf-space-3); }
.site-prose h2 {
  font-family: var(--pf-font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--pf-tracking-label, .04em);
  font-size: var(--pf-text-h2);
  color: var(--pf-ink);
  margin-top: var(--pf-space-6);
}
.site-prose h3 {
  font-family: var(--pf-font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--pf-tracking-label, .04em);
  font-size: var(--pf-text-h3);
  color: var(--pf-ink);
  margin-top: var(--pf-space-5);
}
.site-prose p,
.site-prose li { font-family: var(--pf-font-body); font-size: var(--pf-text-body); line-height: 1.7; color: var(--pf-ink); }
.site-prose strong { font-weight: 600; }
.site-prose ul { padding-left: var(--pf-space-3); }
.site-prose li + li { margin-top: var(--pf-space-1); }
.site-prose blockquote {
  border-left: 2px solid var(--pf-accent);
  padding-left: var(--pf-space-3);
  color: var(--pf-ink-secondary);
  font-style: italic;
}

/* Inverse footer band: links must read light-on-dark (DS quiet link is ink) */
.pf-footer--inverse .pf-footer__meta a {
  color: var(--pf-ink-inverse);
  text-underline-offset: 3px;
}
.pf-footer--inverse .pf-footer__meta a:hover {
  text-decoration-color: var(--pf-accent);
}

/* Personal-life photo strip on About */
.site-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--pf-space-2);
}
.site-gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--pf-hairline);
}