/* Millwright — single hand-written stylesheet. No build step, no framework.
   Conventional, text-forward, one accent color, one breakpoint. */

:root {
  --ink:        #1a1a1a;   /* body text */
  --ink-muted:  #5a5f66;   /* dates, meta, footer */
  --rule:       #dcdfe3;   /* hairlines */
  --bg:         #ffffff;
  --bg-subtle:  #f6f7f8;
  --accent:     #1d4e77;   /* the one accent — links, CTA, current nav item */
  --accent-dk:  #143857;

  --measure:    36rem;     /* ~68 characters at this font size */
  --wrap:       46rem;     /* page frame, wider than the measure */
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
          Arial, "Noto Sans", sans-serif;
}

/* ---------- base ---------- */

*, *::before, *::after { box-sizing: border-box; }

html { font-size: 100%; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 1.25rem;
}

main {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 3rem 1.25rem 4rem;
}

a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
a:hover, a:focus { color: var(--accent-dk); }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.skip-link {
  position: absolute;
  left: -9999px;
}
.skip-link:focus {
  left: 1rem;
  top: 0.5rem;
  z-index: 10;
  background: var(--bg);
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--rule);
}

/* ---------- header ---------- */

.site-header {
  border-bottom: 1px solid var(--rule);
  padding: 1.25rem 0;
}
.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;            /* not baseline: the lockup is a block SVG with no
                                     text baseline, so flexbox would synthesize
                                     one from its bottom edge and ride high */
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
}

/* Inlined horizontal lockup (620x84). Sized by width; the SVG inherits
   `color` because every shape in it is fill="currentColor". */
.wordmark {
  display: block;
  color: var(--ink);
  text-decoration: none;
  line-height: 0;                /* kills the inline-SVG descender gap */
}
.wordmark svg {
  display: block;
  width: 11.5rem;
  height: auto;
}
.wordmark:hover, .wordmark:focus-visible { color: var(--accent); }

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  /* Tightened from 1.25rem so the seven-item nav clears the lockup on one
     line at the 46rem measure. */
  gap: 0.4rem 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
/* The prose `li` margin-bottom would otherwise pad the nav box below the
   items and knock it out of true against the lockup. */
.site-nav li { margin-bottom: 0; }
.site-nav a {
  color: var(--ink-muted);
  text-decoration: none;
  font-size: 0.875rem;           /* see the gap note above */
}
.site-nav a:hover,
.site-nav a[aria-current="page"] { color: var(--accent); }

/* The CTA is the one nav item that is not plain text. */
.site-nav .nav-cta {
  color: var(--bg);
  background: var(--accent);
  padding: 0.35rem 0.75rem;
  border-radius: 3px;
}
.site-nav .nav-cta:hover { background: var(--accent-dk); color: var(--bg); }
/* On /contact/ the CTA is also the current page. The aria-current rule above
   scores higher than `.site-nav .nav-cta`, so without this the label is
   painted accent-on-accent and vanishes into the button. */
.site-nav .nav-cta[aria-current="page"] { color: var(--bg); }

/* ---------- typography ---------- */

h1, h2, h3 {
  line-height: 1.25;
  font-weight: 600;
  margin: 0 0 0.5em;
}
h1 { font-size: 1.875rem; letter-spacing: -0.01em; }
h2 { font-size: 1.3125rem; margin-top: 2.25em; }
h3 { font-size: 1.0625rem; margin-top: 1.75em; }

.page-header { margin-bottom: 2rem; }
.page-header h1 { margin-bottom: 0.25rem; }

p, ul, ol, blockquote { max-width: var(--measure); }
p { margin: 0 0 1.15em; }

ul, ol { padding-left: 1.25rem; }
li { margin-bottom: 0.35em; }

blockquote {
  margin: 1.5em 0;
  padding-left: 1rem;
  border-left: 3px solid var(--rule);
  color: var(--ink-muted);
}

hr { border: 0; border-top: 1px solid var(--rule); margin: 2.5rem 0; }

code, pre {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.9em;
}
code { background: var(--bg-subtle); padding: 0.1em 0.3em; border-radius: 2px; }
pre {
  background: var(--bg-subtle);
  padding: 1rem;
  border-radius: 3px;
  overflow-x: auto;
}
pre code { background: none; padding: 0; }

img { max-width: 100%; height: auto; }

table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; padding: 0.5rem 0.75rem; border-bottom: 1px solid var(--rule); }

/* ---------- buttons and links ---------- */

.button {
  display: inline-block;
  background: var(--accent);
  color: var(--bg);
  text-decoration: none;
  padding: 0.6rem 1.1rem;
  border-radius: 3px;
  font-size: 0.9375rem;
}
.button:hover, .button:focus { background: var(--accent-dk); color: var(--bg); }

.textlink { font-size: 0.9375rem; }

/* ---------- home ---------- */

.positioning h1 {
  font-size: 2.125rem;
  margin-bottom: 1rem;
}
.lede { font-size: 1.125rem; }
.lede p { max-width: var(--measure); }

/* The fork stacks on every screen. The two paths are intentionally
   asymmetric — the policy path is quieter — so they never read as a
   matched pair of product cards. */
.fork {
  margin: 3rem 0;
  border-top: 1px solid var(--rule);
}
.path {
  padding: 2rem 0;
  border-bottom: 1px solid var(--rule);
}
.path h2 { margin-top: 0; }

.credibility {
  margin: 2.5rem 0;
  color: var(--ink-muted);
  font-size: 0.9375rem;
}

.home-cta { margin-top: 3rem; }
.cta-line { margin-bottom: 1rem; }

/* ---------- page CTA block ---------- */

.cta {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--rule);
}

/* ---------- writing ---------- */

.post-meta {
  color: var(--ink-muted);
  font-size: 0.875rem;
  margin: 0;
}
.post-meta .topics::before { content: " · "; }

.post-list {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  max-width: var(--measure);
}
.post-list-item {
  margin: 0;
  padding: 1.5rem 0;
  border-top: 1px solid var(--rule);
}
.post-list-item h2 {
  font-size: 1.1875rem;
  margin: 0 0 0.25rem;
}
.post-list-item h2 a { text-decoration: none; }
.post-list-item h2 a:hover { text-decoration: underline; }
.post-summary { margin: 0.5rem 0 0; color: var(--ink-muted); }

.post-footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  font-size: 0.9375rem;
}

/* ---------- contact ---------- */

.calendar-embed {
  margin: 2rem 0;
  min-height: 34rem;
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: 1rem;
  background: var(--bg-subtle);
}
.calendar-embed iframe { width: 100%; min-height: 32rem; border: 0; }

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--rule);
  padding: 2rem 0 3rem;
  color: var(--ink-muted);
  font-size: 0.875rem;
}
.site-footer p { margin: 0 0 0.5em; max-width: none; }
.footer-legal { margin-bottom: 0; }

/* Mark only, held well back — it is a sign-off, not a second logo. */
.footer-mark {
  color: var(--rule);
  line-height: 0;
  margin-bottom: 1.25rem;
}
.footer-mark svg {
  display: block;
  width: 4rem;
  height: auto;
}

/* ---------- one breakpoint ---------- */

@media (max-width: 34rem) {
  body { font-size: 1rem; }
  main { padding-top: 2rem; }
  .site-header .wrap { flex-direction: column; align-items: flex-start; }
  .wordmark svg { width: 9.5rem; }
  .site-nav ul { gap: 0.5rem 1rem; }
  h1 { font-size: 1.625rem; }
  .positioning h1 { font-size: 1.75rem; }
  .lede { font-size: 1.0625rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}