/* polleysoft.com — one stylesheet for the whole site.
 *
 * No web fonts, no CDN, no analytics: every byte this site serves comes from
 * this origin. That is what lets the Content-Security-Policy in
 * nginx/polleysoft-headers.conf be `default-src 'self'` with no exceptions,
 * and what makes the privacy page's "no third-party requests" claim true
 * rather than aspirational. Adding a Google Font would break both.
 */

:root {
  color-scheme: light dark;

  --bg: #ffffff;
  --bg-soft: #f4f6f8;
  --fg: #16202a;
  --fg-soft: #5a6a78;
  --line: #dde3e9;
  --accent: #1e5fa8;
  --accent-soft: #e8f0f9;
  --mark-bg: #fff3c4;
  --mark-fg: #5c4700;

  --measure: 68ch;
  --gutter: 16px;
  --radius: 10px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #11161b;
    --bg-soft: #181f26;
    --fg: #e6edf3;
    --fg-soft: #9bacba;
    --line: #2a343d;
    --accent: #7fb2ea;
    --accent-soft: #1b2733;
    --mark-bg: #4a3c10;
    --mark-fg: #ffe9a3;
  }
}

:root[data-theme="dark"] {
  --bg: #11161b;
  --bg-soft: #181f26;
  --fg: #e6edf3;
  --fg-soft: #9bacba;
  --line: #2a343d;
  --accent: #7fb2ea;
  --accent-soft: #1b2733;
  --mark-bg: #4a3c10;
  --mark-fg: #ffe9a3;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.wrap {
  width: 100%;
  max-width: 62rem;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ── header ─────────────────────────────────────────────────────────────── */

.site-head {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}

.site-head .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 24px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 650;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--fg);
  text-decoration: none;
  margin-right: auto;
}

.brand img { width: 26px; height: 26px; display: block; }

nav.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
}

nav.site-nav a {
  color: var(--fg-soft);
  text-decoration: none;
  font-size: 0.95rem;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
}

nav.site-nav a:hover { color: var(--fg); }

nav.site-nav a[aria-current="page"] {
  color: var(--fg);
  border-bottom-color: var(--accent);
}

/* ── main ───────────────────────────────────────────────────────────────── */

main { flex: 1 0 auto; padding: 40px 0 56px; }

h1, h2, h3 { line-height: 1.25; letter-spacing: -0.015em; }

h1 { font-size: clamp(1.75rem, 4.5vw, 2.5rem); margin: 0 0 12px; }
h2 { font-size: clamp(1.25rem, 3vw, 1.5rem); margin: 40px 0 10px; }
h3 { font-size: 1.05rem; margin: 26px 0 6px; }

p, ul, ol, dl { max-width: var(--measure); }
p { margin: 0 0 14px; }
li { margin: 0 0 6px; }

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }

.lede {
  font-size: 1.15rem;
  color: var(--fg-soft);
  max-width: var(--measure);
  margin-bottom: 28px;
}

.hero { padding: 16px 0 8px; }

/* Cards: the service list and the "what we work on" grid. */
.cards {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  margin: 22px 0 8px;
  padding: 0;
  list-style: none;
  max-width: none;
}

.cards > li {
  margin: 0;
  padding: 18px 18px 16px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.cards h3 { margin-top: 0; }
.cards p { margin-bottom: 0; color: var(--fg-soft); max-width: none; }

.callout {
  margin: 28px 0;
  padding: 16px 18px;
  background: var(--accent-soft);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
}

.callout p:last-child { margin-bottom: 0; }

/* Contact and definition-style rows. */
dl.rows { display: grid; gap: 4px 16px; margin: 20px 0; }
dl.rows dt { font-weight: 650; }
dl.rows dd { margin: 0 0 12px; color: var(--fg-soft); }

/* Anything the owner still has to fill in. Deliberately loud: a placeholder
 * that looks like prose is a placeholder that gets published. */
.todo {
  background: var(--mark-bg);
  color: var(--mark-fg);
  padding: 0 4px;
  border-radius: 3px;
  font-weight: 600;
}

.meta { color: var(--fg-soft); font-size: 0.9rem; }

/* ── footer ─────────────────────────────────────────────────────────────── */

.site-foot {
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
  padding: 22px 0;
  color: var(--fg-soft);
  font-size: 0.9rem;
}

.site-foot .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  align-items: baseline;
}

.site-foot nav { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-left: auto; }
.site-foot a { color: var(--fg-soft); }
.site-foot a:hover { color: var(--fg); }

/* ── 404 ────────────────────────────────────────────────────────────────── */

.center-note { text-align: center; padding: 48px 0; }
.center-note p { margin-left: auto; margin-right: auto; }