/* ── Reset & base ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* ── Shared paper palette (play.mcphail.pro room system) ── */
  --paper:       #F6F3EC;
  --paper-2:     #EFEADF;
  --paper-3:     #EAE3D5;
  --ink:         #1E2329;
  --ink-soft:    #4A535E;
  --ink-faint:   #8A8F97;
  --rule:        #D8D1C2;
  --rule-soft:   #E4DCCD;

  /* ── Insights accent — deep navy blue ── */
  --accent:      #1F3A5F;   /* eyebrows, section labels, italic heading clause */
  --accent-link: #2E5C8A;   /* links, hover states — 6.2:1 on --paper */
  --accent-soft: #E8EEF5;   /* callout backgrounds, perspective panels */
  --accent-dim:  #4A7AAD;   /* secondary/muted accent uses */

  /* ── Beat identity colors (for badges — dark bg so saturated is fine) ── */
  --beat-ai-soc:             #2563EB;
  --beat-pki-pqc:            #7C3AED;
  --beat-talent:             #16A34A;
  --beat-enterprise-process: #D97706;
  --beat-ecosystem:          #DC2626;

  /* ── Type scale & spacing ── */
  --font-sans: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", "Fira Code", ui-monospace, monospace;
  --font-disp: "Fraunces", Georgia, serif;
  --max-width: 820px;
}

html {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
}

body { min-height: 100vh; display: flex; flex-direction: column; }

main {
  flex: 1;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
}

a { color: var(--accent-link); text-decoration: none; }
a:hover { text-decoration: underline; color: var(--accent); }

hr {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 1.5rem 0;
}

h1 {
  font-family: var(--font-disp);
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -.02em;
  color: var(--ink);
}

h2 {
  font-family: var(--font-disp);
  font-size: 1.3rem;
  font-weight: 500;
  margin: 2.25rem 0 0.75rem;
  color: var(--ink);
}

h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 1.75rem 0 0.5rem;
  color: var(--ink);
}

p { margin-bottom: 1rem; font-size: 0.975rem; line-height: 1.8; color: var(--ink-soft); }
ul, ol { padding-left: 1.5rem; margin-bottom: 1rem; }
li { font-size: 0.975rem; line-height: 1.75; margin-bottom: 0.25rem; color: var(--ink-soft); }

code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--paper-2);
  padding: 0.1em 0.35em;
  border-radius: 3px;
  color: var(--ink-soft);
}

pre {
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 1rem;
  overflow-x: auto;
  margin-bottom: 1.5rem;
}

pre code { background: none; padding: 0; font-size: 0.85rem; }

/* ── Site nav ───────────────────────────────────────────────── */
.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(8px);
  background: rgba(246, 243, 236, .92);
}

.site-name {
  font-family: var(--font-disp);
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: -.01em;
  color: var(--ink);
}

.site-name:hover { text-decoration: none; color: var(--accent); }

.site-name em {
  font-style: italic;
  color: var(--accent);
}

.nav-links { display: flex; gap: 1.5rem; align-items: center; }

.nav-links a {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.nav-links a:hover { color: var(--accent); text-decoration: none; }

.nav-links .nav-home { color: var(--accent-dim); }

/* ── Footer ─────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--rule);
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}

.site-footer p {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: .04em;
  margin: 0;
}

.site-footer a { color: var(--ink-faint); font-size: 11px; }
.site-footer a:hover { color: var(--accent-link); text-decoration: none; }

/* ── Page header ─────────────────────────────────────────────── */
.page-header { margin-bottom: 2rem; }
.page-header h1 { margin: 0.5rem 0 0.25rem; }

/* Eyebrow / section label — uppercase mono in accent color */
.label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.intro {
  font-size: 1rem;
  color: var(--ink-soft);
  margin-top: 0.75rem;
  line-height: 1.65;
  max-width: 62ch;
}

/* ── Hero heading two-tone treatment ─────────────────────────── */
/*   Primary clause: var(--ink); accent clause: italic var(--accent) */
.hero-head em { font-style: italic; color: var(--accent); }

/* ── Beat badge ─────────────────────────────────────────────── */
.beat-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 3px;
  color: #fff;
  text-decoration: none;
}
.beat-badge:hover { opacity: .85; text-decoration: none; }

/* ── Type badges ─────────────────────────────────────────────── */
.type-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 3px;
  margin-left: 0.5rem;
  vertical-align: middle;
}

.type-overview  { background: rgba(31,58,95,.1);  color: var(--accent);      border: 1px solid rgba(31,58,95,.25); }
.type-analysis  { background: rgba(124,58,237,.1); color: #7C3AED;            border: 1px solid rgba(124,58,237,.25); }
.type-signal    { background: rgba(220,38,38,.08); color: #DC2626;            border: 1px solid rgba(220,38,38,.2); }

/* ── Insight meta ────────────────────────────────────────────── */
.insight-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-faint);
  margin-top: 0.5rem;
  letter-spacing: .04em;
}

/* ── Insight body ────────────────────────────────────────────── */
.insight-body p  { font-size: 0.975rem; line-height: 1.85; color: var(--ink-soft); }
.insight-body h2 {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 2.25rem 0 0.75rem;
  color: var(--ink);
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--rule-soft);
}
.insight-body h3 { font-size: 1rem; font-weight: 600; margin: 1.75rem 0 0.5rem; color: var(--ink); }
.insight-body ul, .insight-body ol { margin-bottom: 1rem; }
.insight-body li { font-size: 0.975rem; line-height: 1.75; }
.insight-body strong { font-weight: 600; color: var(--ink); }
.insight-body a { color: var(--accent-link); }
.insight-body a:hover { color: var(--accent); }

/* ── Analysis callout ────────────────────────────────────────── */
.analysis-callout {
  margin: 2rem 0;
  padding: 1rem 1.25rem;
  background: var(--accent-soft);
  border: 1px solid rgba(46,92,138,.2);
  border-left: 3px solid var(--accent-link);
  border-radius: 0 6px 6px 0;
}

.analysis-callout a {
  font-weight: 600;
  color: var(--accent-link);
  font-size: 0.9rem;
}

/* ── Perspective panel (shortcode) ──────────────────────────── */
.perspective-panel {
  border-left: 3px solid var(--rule);
  background: var(--paper-2);
  padding: 1rem 1.25rem;
  margin: 1.25rem 0;
  border-radius: 0 4px 4px 0;
}

.perspective-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0.75rem;
}

.perspective-body {
  color: var(--ink-soft);
  font-style: italic;
  line-height: 1.65;
  font-size: 0.975rem;
}

.perspective-body p { margin: 0; color: var(--ink-soft); }

.perspective-attribution {
  display: block;
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--ink-faint);
  font-style: normal;
}

/* ── Crosslinks ──────────────────────────────────────────────── */
.crosslink { font-size: 0.85rem; color: var(--ink-faint); margin: 0.5rem 0; }
.crosslink a { color: var(--accent-dim); }
.crosslink a:hover { color: var(--accent); text-decoration: none; }

/* ── Insights list ───────────────────────────────────────────── */
.insights-list { display: flex; flex-direction: column; gap: 0; }

.insight-item {
  border-bottom: 1px solid var(--rule-soft);
  padding: 1rem 0;
}

.insight-item:last-child { border-bottom: none; }

.insight-link { display: block; text-decoration: none; }
.insight-link:hover .insight-title { color: var(--accent-link); }
.insight-link:hover { text-decoration: none; }

.insight-date  { font-family: var(--font-mono); font-size: 11px; color: var(--ink-faint); margin-bottom: 0.2rem; letter-spacing: .04em; }
.insight-title { font-size: 1rem; font-weight: 600; color: var(--ink); margin-bottom: 0.25rem; font-family: var(--font-disp); }
.insight-desc  { font-size: 0.875rem; color: var(--ink-soft); line-height: 1.55; }

/* ── Beat card (landing grid) ────────────────────────────────── */
.beat-card .insight-title { font-size: 1.05rem; }

/* ── Beat landing intro ──────────────────────────────────────── */
.beat-intro { margin-bottom: 2rem; }
.beat-intro p { color: var(--ink-soft); font-size: 0.95rem; }

/* ── Analysis sub-link on beat landing ──────────────────────── */
.analysis-link { margin-top: 0.3rem; }
.analysis-link a { font-size: 0.8rem; color: var(--accent-dim); }
.analysis-link a:hover { color: var(--accent); }

/* ── Entity pills ────────────────────────────────────────────── */
.entity-pills { margin: 1.5rem 0; }
.entity-pills .label { margin-bottom: 0.6rem; }

.entity-pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 20px;
  margin: 0 4px 6px 0;
  text-decoration: none;
  border: 1px solid;
  transition: opacity .15s;
}

.entity-pill:hover { opacity: .8; text-decoration: none; }

.assessment-positive { background: rgba(22,163,74,.08);  color: #16A34A; border-color: rgba(22,163,74,.3); }
.assessment-caution  { background: rgba(217,119,6,.08);  color: #D97706; border-color: rgba(217,119,6,.3); }
.assessment-neutral  { background: rgba(138,143,151,.08); color: var(--ink-faint); border-color: rgba(138,143,151,.3); }

/* ── Beat entities sidebar ───────────────────────────────────── */
.beat-entities { margin: 2rem 0; }

/* ── Section label h2 (used in list layout) ──────────────────── */
h2.label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 1.75rem 0 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--rule-soft);
  border-radius: 0;
}

/* ── Stat row (beat count, article count) ────────────────────── */
.stat-row {
  display: flex;
  gap: 2rem;
  margin-top: 1.25rem;
  flex-wrap: wrap;
}

.stat-item {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: .04em;
}

.stat-item b { color: var(--ink); font-weight: 600; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 640px) {
  main { padding: 2rem 1rem 4rem; }
  .site-nav { padding: 0.875rem 1rem; }
  .site-footer { padding: 1.25rem 1rem; }
}