/* CasePilot Field Notes — shared stylesheet
   Add new posts by copying an existing post file; this stylesheet needs no changes. */

:root {
  --navy: #1b2a4a;
  --navy-deep: #101b31;
  --gold: #c9a84c;
  --paper: #ffffff;
  --paper-tint: #f7f8fa;
  --rule: #dcdfe6;
  --ink: #16203a;
  --ink-muted: #5a6478;
  --flag: #9b3a2f;

  --shell: 62rem;
  --measure: 62ch;
  --gutter: 4.5rem;
  --pad: 2.5rem;
}

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--navy); text-decoration-color: var(--gold); text-underline-offset: 3px; }
a:hover { color: var(--navy-deep); }

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.wrap {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--pad);
}

/* ---------- masthead ---------- */

.masthead {
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
}

.masthead-inner {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.25rem 0;
  flex-wrap: wrap;
}

.wordmark {
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--navy);
  text-decoration: none;
}

.wordmark span { color: var(--gold); }

.masthead-nav {
  display: flex;
  gap: 1.5rem;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.masthead-nav a { text-decoration: none; color: var(--ink-muted); }
.masthead-nav a:hover { color: var(--navy); }

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

.queue { padding: 3.5rem 0 2.5rem; }

.eyebrow {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 1rem;
}

.queue h1 {
  font-family: "Playfair Display", Georgia, serif;
  font-weight: 500;
  font-size: clamp(1.875rem, 4vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0 0 1rem;
  max-width: 28ch;
  color: var(--navy);
}

.queue p {
  margin: 0;
  max-width: var(--measure);
  color: var(--ink-muted);
}

/* ---------- case log ---------- */

.log { padding: 0 0 4rem; }

.log-head {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--navy);
  margin: 0;
}

.log-row {
  display: grid;
  grid-template-columns: var(--gutter) 1fr;
  gap: 0 2rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--rule);
  position: relative;
}

.log-row::before {
  content: "";
  position: absolute;
  left: calc(var(--pad) * -0.6);
  top: 1.75rem;
  bottom: 1.75rem;
  width: 2px;
  background: var(--gold);
  opacity: 0;
  transition: opacity 160ms ease;
}

.log-row:hover::before,
.log-row:focus-within::before { opacity: 1; }

.log-ref {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.6875rem;
  line-height: 1.5;
  letter-spacing: 0.03em;
  color: var(--ink-muted);
  padding-top: 0.4rem;
}

.log-ref b { display: block; color: var(--navy); font-weight: 500; }

.log-title {
  font-family: "Playfair Display", Georgia, serif;
  font-size: clamp(1.1875rem, 2.2vw, 1.4375rem);
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.005em;
  margin: 0 0 0.5rem;
}

.log-title a { text-decoration: none; color: var(--navy); }
.log-title a:hover { text-decoration: underline; }

.log-row p {
  margin: 0 0 0.75rem;
  max-width: var(--measure);
  color: var(--ink-muted);
  font-size: 0.9375rem;
}

.tag {
  display: inline-block;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--rule);
  color: var(--ink-muted);
}

.tag-core { border-color: var(--navy); color: var(--navy); }
.tag-flag { border-color: var(--flag); color: var(--flag); }

/* ---------- article ---------- */

.article {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 3.5rem 0 2rem;
}

.article-meta {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  padding-bottom: 1.25rem;
  margin: 0 0 2rem;
  border-bottom: 2px solid var(--navy);
}

.article h1 {
  font-family: "Playfair Display", Georgia, serif;
  font-weight: 500;
  font-size: clamp(1.875rem, 4.2vw, 2.625rem);
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0 0 1.25rem;
  color: var(--navy);
}

.standfirst {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--ink-muted);
  margin: 0 0 2.5rem;
}

.article h2 {
  font-family: "Playfair Display", Georgia, serif;
  font-weight: 500;
  font-size: 1.5rem;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--navy);
  margin: 2.75rem 0 0.875rem;
}

.article h3 {
  font-family: "Inter", sans-serif;
  font-weight: 600;
  font-size: 1.0625rem;
  margin: 2rem 0 0.5rem;
  color: var(--navy);
}

.article p { margin: 0 0 1.25rem; }

.article ul,
.article ol { margin: 0 0 1.25rem; padding-left: 1.25rem; }
.article li { margin-bottom: 0.625rem; }

.article strong { font-weight: 600; color: var(--navy); }

/* case note callout — the practitioner scenario in every post */
.case-note {
  border-left: 3px solid var(--gold);
  background: var(--paper-tint);
  padding: 1.375rem 1.5rem;
  margin: 2.25rem 0;
  font-size: 0.9375rem;
}

.case-note-label {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.625rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 0.75rem;
}

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

.closer {
  border-top: 1px solid var(--rule);
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  font-size: 1.0625rem;
}

.closer strong { color: var(--navy); }

/* ---------- call to action ---------- */

.cta {
  background: var(--navy);
  color: #eef0f5;
  padding: 2.75rem 0;
  margin-top: 4rem;
}

.cta-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.cta h2 {
  font-family: "Playfair Display", Georgia, serif;
  font-weight: 500;
  font-size: 1.5rem;
  line-height: 1.25;
  margin: 0 0 0.75rem;
  color: var(--paper);
}

.cta p {
  margin: 0 0 1.5rem;
  color: #c3c9d6;
  max-width: var(--measure);
  font-size: 0.9375rem;
}

.button {
  display: inline-block;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--navy-deep);
  background: var(--gold);
  padding: 0.8125rem 1.375rem;
  border: 1px solid var(--gold);
  transition: background 160ms ease, color 160ms ease;
}

.button:hover { background: transparent; color: var(--gold); }

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

.footer {
  border-top: 1px solid var(--rule);
  padding: 2.25rem 0;
  font-size: 0.8125rem;
  color: var(--ink-muted);
}

.footer p { margin: 0 0 0.5rem; max-width: var(--measure); }
.footer a { color: var(--ink-muted); }

/* ---------- responsive ---------- */

@media (max-width: 44rem) {
  :root { --pad: 1.25rem; }

  .log-row {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    padding: 1.5rem 0;
  }

  .log-ref { padding-top: 0; }
  .log-ref b { display: inline; }
  .log-row::before { display: none; }
  .queue { padding: 2.5rem 0 2rem; }
  .article { padding-top: 2.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}
/* ---------- typology mark ---------- */
/* Append this block to the end of blog/style.css. Nothing above it changes. */

.article-head {
  margin: 0 0 1.5rem;
}

.article-head .mark {
  display: block;
  width: 76px;
  height: 76px;
  overflow: visible;
}

@media (max-width: 44rem) {
  .article-head .mark {
    width: 60px;
    height: 60px;
  }
}
/* ---------- related notes ---------- */
/* Append to the end of blog/style.css, after the typology mark block. */

.related {
  border-top: 1px solid var(--rule);
  margin: 3rem 0 0;
  padding-top: 1.5rem;
}

.related-lab {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0 0 1rem;
}

.related ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.related li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.6875rem 0;
  border-bottom: 1px solid var(--rule);
}

.related li a {
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1.0625rem;
  line-height: 1.35;
  color: var(--navy);
  text-decoration: none;
}

.related li a:hover { text-decoration: underline; }

.related li span {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

@media (max-width: 44rem) {
  .related li {
    flex-direction: column;
    gap: 0.25rem;
  }
  .related li span { flex-shrink: 1; }
}

/* ---------- app links under the CTA ---------- */

.cta-apps {
  margin: 1.25rem 0 0;
  font-size: 0.8125rem;
  color: #a8b0c2;
}

.cta-apps a {
  color: var(--gold);
  text-decoration-color: rgba(201, 168, 76, 0.5);
}