/* ============================================================
   app.bearinga.com — standalone CSS
   Self-contained: no dependency on parent bearinga.com files.
   Mobile-first editorial aesthetic. Bearing brand tokens inline.
   Phase 1 validation surface.
   ============================================================ */

/* ----- Tokens ----- */
:root {
  --teal:    #0B3B36;
  --teal-2:  #0F4F48;
  --paper:   #FAFAF9;
  --paper-2: #F2F0EB;
  --ink:     #0B0B0C;
  --ink-2:   #2A2A2D;
  --ink-3:   #6B6B72;
  --ox:      #8A1C20;
  --ox-2:    #B85055;
  --rule:    #E6E3DC;

  --serif: "Newsreader", "Georgia", serif;
  --sans:  "IBM Plex Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  --mono:  "JetBrains Mono", "IBM Plex Mono", ui-monospace, monospace;

  --fs-display: clamp(26px, 4vw, 38px);
  --fs-h2:      clamp(20px, 2.5vw, 26px);
  --fs-body:    18px;
  --fs-sm:      15px;
  --fs-meta:    11px;

  --pad:   clamp(20px, 5vw, 48px);
  --max:   640px;
  --max-w: 900px;
}

/* ----- Reset ----- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--serif);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  min-height: 100vh;
}
a { color: inherit; }

/* ----- Site header ----- */
.app-header {
  background: var(--teal);
  padding: 16px var(--pad);
}
.app-header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.app-wordmark {
  font-family: var(--sans);
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.app-wordmark em {
  font-style: normal;
  color: var(--ox-2);
}
.app-wordmark .app-sub {
  font-family: var(--mono);
  font-size: var(--fs-meta);
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(250,250,247,0.50);
  margin-left: 10px;
}

/* ----- Event strip (teal background for headline) ----- */
.event-strip {
  background: var(--teal);
  padding: clamp(32px, 5vh, 56px) var(--pad) clamp(28px, 4vh, 48px);
  border-bottom: 1px solid rgba(255,255,255,0.10);
}
.event-strip-inner {
  max-width: var(--max);
  margin: 0 auto;
}
.event-eyebrow {
  font-family: var(--mono);
  font-size: var(--fs-meta);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(250,250,247,0.50);
  margin-bottom: 14px;
}
.event-headline {
  font-family: var(--sans);
  font-size: var(--fs-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.024em;
  color: var(--paper);
  margin-bottom: 12px;
}
.event-date {
  font-family: var(--mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(250,250,247,0.40);
}

/* ----- Read body ----- */
.read-body {
  padding: clamp(32px, 5vh, 56px) var(--pad) clamp(16px, 2vh, 24px);
}
.read-body-inner {
  max-width: var(--max);
  margin: 0 auto;
}
.read-label {
  font-family: var(--mono);
  font-size: var(--fs-meta);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 16px;
}
.read-text {
  font-family: var(--serif);
  font-size: clamp(17px, 2.2vw, 20px);
  line-height: 1.70;
  color: var(--ink);
}
.read-text em {
  font-style: italic;
  color: var(--ox);
}

/* ----- Divider ----- */
.divider {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 32px 0;
}
.divider-inner {
  max-width: var(--max);
  margin-left: auto;
  margin-right: auto;
}

/* ----- Navigation paths ----- */
.nav-paths {
  padding: 0 var(--pad) 32px;
}
.nav-paths-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.nav-path {
  display: block;
  font-family: var(--sans);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--teal);
  text-decoration: none;
  padding: 14px 18px;
  border: 1px solid rgba(11,59,54,0.22);
  border-radius: 2px;
  transition: background 0.15s, border-color 0.15s;
  cursor: pointer;
}
.nav-path:hover {
  background: rgba(11,59,54,0.06);
  border-color: var(--teal);
}
.nav-path .arrow {
  float: right;
  color: var(--ink-3);
  font-weight: 300;
}
.nav-path.coming-soon {
  color: var(--ink-3);
  border-color: var(--rule);
  cursor: pointer;
}
.nav-path.coming-soon .arrow { display: none; }
.nav-path.coming-soon::after {
  content: "Coming soon";
  float: right;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  border: 1px solid var(--rule);
  padding: 2px 6px;
  border-radius: 2px;
}


/* nav-path as button element — reset browser defaults */
button.nav-path {
  width: 100%;
  text-align: left;
  background: none;
  -webkit-appearance: none;
}

/* Coming-soon tap message */
.coming-soon-msg {
  display: none;
  margin-top: 10px;
  padding: 14px 18px;
  background: #F2F0EB;
  border-left: 3px solid #0B3B36;
  font-family: var(--serif);
  font-size: var(--fs-sm);
  line-height: 1.60;
  color: var(--ink-2);
}
.coming-soon-msg a {
  color: var(--teal);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.coming-soon-msg.visible { display: block; }

/* ----- Discipline footer (per-read) ----- */
.read-footer {
  padding: 0 var(--pad) 40px;
}
.read-footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.discipline-line {
  font-family: var(--mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.08em;
  color: var(--ink-3);
}
.discipline-line a {
  color: var(--ox);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.read-meta {
  font-family: var(--mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.10em;
  color: var(--ink-3);
  display: flex;
  align-items: center;
  gap: 16px;
}
.trace-btn {
  background: none;
  border: none;
  font-family: var(--mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.10em;
  color: var(--ink-3);
  cursor: pointer;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  padding: 0;
}
.trace-btn:hover { color: var(--ink); }

/* ----- Share button ----- */
.share-strip {
  padding: 0 var(--pad) 40px;
}
.share-strip-inner {
  max-width: var(--max);
  margin: 0 auto;
}
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: var(--fs-meta);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper);
  background: var(--teal);
  border: none;
  padding: 12px 20px;
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.15s;
}
.share-btn:hover { background: var(--teal-2); }
.share-btn svg { flex-shrink: 0; }
.share-toast {
  display: inline-block;
  font-family: var(--mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.10em;
  color: var(--teal);
  margin-left: 14px;
  opacity: 0;
  transition: opacity 0.2s;
}
.share-toast.visible { opacity: 1; }

/* ----- Trace accordion ----- */
.trace-section {
  padding: 0 var(--pad) 48px;
  display: none;
}
.trace-section.open { display: block; }
.trace-section-inner {
  max-width: var(--max);
  margin: 0 auto;
  border: 1px solid var(--rule);
  border-radius: 2px;
  overflow: hidden;
}
.trace-header {
  background: var(--paper-2);
  padding: 14px 18px;
  font-family: var(--mono);
  font-size: var(--fs-meta);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
  border-bottom: 1px solid var(--rule);
}
.trace-item {
  padding: 16px 18px;
  border-bottom: 1px solid var(--rule);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: baseline;
}
.trace-item:last-child { border-bottom: 0; }
.trace-num {
  font-family: var(--mono);
  font-size: var(--fs-meta);
  color: var(--ink-3);
  letter-spacing: 0.08em;
  padding-top: 2px;
}
.trace-content { font-size: var(--fs-sm); line-height: 1.55; }
.trace-title { font-weight: 500; color: var(--ink); }
.trace-detail { color: var(--ink-3); margin-top: 2px; font-size: 13px; }

/* ----- Site footer ----- */
.app-site-footer {
  background: var(--teal);
  padding: 32px var(--pad);
  margin-top: auto;
}
.app-site-footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
}
.footer-credential {
  font-family: var(--mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.08em;
  color: rgba(250,250,247,0.45);
}
.footer-credential a {
  color: rgba(250,250,247,0.65);
  text-decoration: none;
}
.footer-credential a:hover { color: var(--paper); }

/* ----- Index page ----- */
.reads-index {
  padding: clamp(32px, 5vh, 56px) var(--pad);
}
.reads-index-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.reads-index-title {
  font-family: var(--mono);
  font-size: var(--fs-meta);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--rule);
}
.read-card {
  display: block;
  padding: 24px 0;
  border-bottom: 1px solid var(--rule);
  text-decoration: none;
  color: inherit;
  transition: opacity 0.15s;
}
.read-card:hover { opacity: 0.72; }
.read-card-date {
  font-family: var(--mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 8px;
}
.read-card-headline {
  font-family: var(--sans);
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
  letter-spacing: -0.012em;
}
.read-card-teaser {
  font-size: var(--fs-sm);
  color: var(--ink-2);
  line-height: 1.60;
}
.read-card-arrow {
  font-family: var(--mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--teal);
  margin-top: 12px;
  display: block;
}

/* ----- Responsive ----- */
@media (max-width: 600px) {
  .read-footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .app-wordmark .app-sub { display: none; }
}