/* ============================================================
   Philosophy Page — Global Edition
   Reuses tokens from theme.css. All variables are already defined
   in :root and html[data-theme="dark"].

   TYPOGRAPHY POLICY: sans-serif only.
   - No serif fonts anywhere (Inter / JetBrains Mono / Noto JP/KR only)
   - <em> is used for accent color, never for italic serif emphasis
   - All emphasis is achieved via color + weight, not via font-style
   ============================================================ */

/* ============================================================
   TYPOGRAPHY POLICY — sans-serif only
   - All body text: Inter (via var(--font-sans))
   - Display headings: Inter (via var(--font-display))
   - Mono labels: JetBrains Mono (via var(--font-mono))
   - Japanese: Noto Sans JP (sans-serif, NOT Noto Serif)
   - Korean: Noto Sans KR (sans-serif, NOT Noto Serif KR)
   - <em> uses accent color + normal font-style (no italic serif)
   - No <i> tags, no font-style: italic, no font-family:*serif anywhere
   ============================================================ */

/* <em> = accent color, NOT italic serif */
.phi-hero em, .section em, .phi-cta em, .manifesto em {
  font-style: normal;
}

/* Ensure Japanese/Korean blocks use Noto *Sans* explicitly */
.lang-stack-text.ja, .manifesto-lang-row .text.ja { font-family: 'Noto Sans JP', var(--font-sans); }
.lang-stack-text.ko, .manifesto-lang-row .text.ko { font-family: 'Noto Sans KR', var(--font-sans); }

/* Scroll progress bar */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 100%;
  background: var(--accent);
  transform-origin: left;
  transform: scaleX(0);
  z-index: 100;
  pointer-events: none;
  transition: transform 80ms linear;
}

/* ==================== HERO ==================== */
.phi-hero {
  padding: clamp(4rem, 10vw, 7rem) 0 clamp(3rem, 6vw, 5rem);
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.phi-hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -15%;
  width: 45rem;
  height: 45rem;
  background: radial-gradient(circle, var(--accent-soft) 0%, transparent 60%);
  opacity: 0.55;
  pointer-events: none;
  filter: blur(40px);
}
.phi-hero > * { position: relative; z-index: 1; }

.phi-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 2rem;
  transition: color var(--dur-fast) var(--ease-out);
}
.phi-back:hover { color: var(--fg); }

.phi-multilang {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.05em;
}
.phi-multilang span { display: inline-flex; align-items: center; gap: 0.35rem; }
.phi-multilang .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--line-2); }

.phi-pull {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.4vw, 1.75rem);
  font-weight: 300;
  line-height: 1.45;
  letter-spacing: -0.02em;
  color: var(--fg-2);
  max-width: 48rem;
  margin-top: 2.5rem;
  padding-left: 1.5rem;
  border-left: 3px solid var(--accent);
}
.phi-pull em { color: var(--accent); font-style: normal; font-weight: 400; }
.phi-pull-attr {
  display: block;
  margin-top: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.06em;
}

/* Hero stats — market reach */
.phi-reach {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1.5rem 2.5rem;
  margin-top: 3rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--line);
}
.phi-reach-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 300;
  letter-spacing: -0.03em;
  color: var(--fg);
  line-height: 1;
}
.phi-reach-lbl { color: var(--muted); font-size: 0.8rem; margin-top: 0.5rem; }

/* ==================== KEY DEFINITION CARD ==================== */
.def-card {
  padding: 2.5rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  margin-top: 3rem;
  position: relative;
  overflow: hidden;
}
.def-card::before {
  content: 'MENTAL MODEL';
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--muted);
  opacity: 0.6;
}
.def-formula {
  font-family: var(--font-mono);
  font-size: clamp(0.9rem, 1.6vw, 1.05rem);
  color: var(--fg);
  background: var(--elev);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0 0;
  line-height: 1.8;
  white-space: pre-wrap;
}
.def-formula .plus, .def-formula .eq { color: var(--accent); font-weight: 600; }
.def-formula strong { color: var(--fg); }

/* Multi-lang stack */
.lang-stack {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin: 2rem 0 0;
  padding: 1.5rem 1.75rem;
  background: var(--elev);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}
.lang-stack-row {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  padding: 0.35rem 0;
  border-bottom: 1px dashed var(--line);
}
.lang-stack-row:last-child { border-bottom: 0; }
.lang-stack-flag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  flex-shrink: 0;
  width: 2rem;
}
.lang-stack-text {
  font-size: 0.95rem;
  color: var(--fg-2);
  line-height: 1.5;
}
.lang-stack-text.ja { font-family: 'Noto Sans JP', var(--font-sans); }
.lang-stack-text.ko { font-family: 'Noto Sans KR', var(--font-sans); }

/* ==================== ORIGIN / DELTA ==================== */
.delta-wrap {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1.5rem;
  align-items: stretch;
}
@media (max-width: 720px) {
  .delta-wrap { grid-template-columns: 1fr; }
}
.delta-col {
  padding: 1.75rem;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface);
}
.delta-col-perfect { border-top: 3px solid var(--line-2); }
.delta-col-messy   { border-top: 3px solid var(--accent); }
.delta-col-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--muted);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}
.delta-col h4,
.delta-col-h {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  color: var(--fg);
}
.delta-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.65rem;
}
.delta-col li {
  font-size: 0.9rem;
  color: var(--fg-2);
  line-height: 1.55;
  padding-left: 1.1rem;
  position: relative;
}
.delta-col li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--line-2);
}
.delta-col-messy li::before { background: var(--accent); }

.delta-bridge {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  min-width: 5rem;
}
.delta-bridge-line {
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, var(--line-2), var(--accent), var(--line-2));
}
.delta-bridge-label {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.02em;
  margin: 0.5rem 0;
  writing-mode: horizontal-tb;
  white-space: nowrap;
}
@media (max-width: 720px) {
  .delta-bridge { flex-direction: row; padding: 0.5rem; }
  .delta-bridge-line { width: 100%; height: 2px; background: linear-gradient(90deg, var(--line-2), var(--accent), var(--line-2)); }
  .delta-bridge-label { margin: 0 0.75rem; }
}

/* ==================== TIMELINE ==================== */
.origin-track {
  position: relative;
  padding: 2rem 0 0;
  margin-top: 3rem;
}
.origin-track::before {
  content: '';
  position: absolute;
  left: 0.9rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--line) 0%, var(--accent) 25%, var(--accent) 75%, var(--line) 100%);
}
.origin-node {
  position: relative;
  padding: 0 0 2.75rem 3rem;
}
.origin-node:last-child { padding-bottom: 0.5rem; }
.origin-node::before {
  content: '';
  position: absolute;
  left: 0.35rem;
  top: 0.5rem;
  width: 1.1rem;
  height: 1.1rem;
  border-radius: 50%;
  background: var(--surface);
  border: 2px solid var(--accent);
  box-shadow: 0 0 0 4px var(--bg);
}
.origin-year {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.1em;
}
.origin-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  margin: 0.3rem 0 0.6rem;
  letter-spacing: -0.02em;
  color: var(--fg);
}
.origin-desc {
  color: var(--fg-2);
  line-height: 1.7;
  font-size: 0.95rem;
}
.origin-desc strong { color: var(--fg); font-weight: 500; }

/* ==================== MARKET CARDS ==================== */
.market-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-top: 2.5rem;
}
.market-card {
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: all var(--dur-fast) var(--ease-out);
  position: relative;
}
.market-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.market-flag {
  font-size: 1.5rem;
  line-height: 1;
  margin-bottom: 0.75rem;
}
.market-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--fg);
  margin: 0 0 0.15rem;
  letter-spacing: -0.01em;
}
.market-tagline {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}
.market-body {
  font-size: 0.85rem;
  color: var(--fg-2);
  line-height: 1.55;
  margin: 0;
}
.market-body strong { color: var(--fg); font-weight: 500; }

/* ==================== ONBOARDING STAGES (5-step) ==================== */
.stage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 3rem;
}
.stage-card {
  position: relative;
  padding: 1.75rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  transition: all var(--dur-base) var(--ease-out);
}
.stage-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.stage-step {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.1em;
}
.stage-icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}
.stage-icon svg { width: 1.35rem; height: 1.35rem; }
.stage-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--fg);
  margin: 0 0 0.15rem;
  letter-spacing: -0.01em;
}
.stage-en {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 0.65rem;
}
.stage-body {
  font-size: 0.82rem;
  color: var(--fg-2);
  line-height: 1.55;
  margin: 0;
}
.stage-day {
  display: inline-block;
  margin-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
  padding: 0.2rem 0.5rem;
  background: var(--elev);
  border-radius: 999px;
}

/* ==================== CASE CARDS ==================== */
.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}
.case-card {
  padding: 1.75rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  position: relative;
  transition: all var(--dur-base) var(--ease-out);
}
.case-card:hover {
  border-color: var(--line-2);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.case-flag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}
.case-flag-emoji { font-size: 1rem; line-height: 1; }
.case-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--fg);
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}
.case-body {
  font-size: 0.9rem;
  color: var(--fg-2);
  line-height: 1.6;
  margin: 0 0 1rem;
}
.case-body strong { color: var(--fg); font-weight: 500; }
.case-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--line);
}
.case-metric {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--fg-2);
  padding: 0.25rem 0.6rem;
  background: var(--elev);
  border: 1px solid var(--line);
  border-radius: 999px;
}
.case-metric.hot {
  background: var(--accent-soft);
  color: var(--accent-soft-fg);
  border-color: transparent;
}

/* ==================== COMPLIANCE MATRIX ==================== */
.matrix-wrap {
  margin-top: 2.5rem;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface);
}
.matrix {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 0.88rem;
}
.matrix th, .matrix td {
  padding: 1rem 1.1rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.matrix thead th {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  background: var(--elev);
  font-weight: 500;
}
.matrix tbody tr:last-child th,
.matrix tbody tr:last-child td { border-bottom: 0; }
.matrix tbody td.market {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--fg);
  white-space: nowrap;
  width: 8rem;
}
.matrix tbody td.market .flag { font-size: 1rem; margin-right: 0.35rem; }
.matrix tbody td { color: var(--fg-2); line-height: 1.5; }
.matrix tbody td.impact { color: var(--fg); font-weight: 500; }

/* ==================== ANTI-PATTERNS ==================== */
.anti-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-top: 2.5rem;
}
.anti-item {
  padding: 1.5rem 1.5rem 1.5rem 3.5rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  position: relative;
  transition: all var(--dur-fast) var(--ease-out);
}
.anti-item:hover { border-color: var(--line-2); }
.anti-item::before {
  content: '✕';
  position: absolute;
  left: 1.25rem;
  top: 1.25rem;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  background: color-mix(in oklab, #dc2626 15%, transparent);
  color: #dc2626;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
}
html[data-theme="dark"] .anti-item::before {
  color: #f87171;
  background: color-mix(in oklab, #f87171 20%, transparent);
}
.anti-title {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--fg);
  margin: 0 0 0.35rem;
  font-size: 1rem;
  letter-spacing: -0.01em;
}
.anti-desc {
  font-size: 0.85rem;
  color: var(--fg-2);
  line-height: 1.55;
  margin: 0 0 0.65rem;
}
.anti-variants {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.03em;
}

/* ==================== THE LOOP ==================== */
.loop-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 3rem;
}
.loop-step {
  position: relative;
  padding: 1.75rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  text-align: center;
  transition: all var(--dur-base) var(--ease-out);
}
.loop-step:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.loop-step-num {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
}
.loop-icon {
  width: 3rem;
  height: 3rem;
  margin: 0 auto 1rem;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}
.loop-icon svg { width: 1.4rem; height: 1.4rem; }
.loop-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  margin: 0 0 0.15rem;
  letter-spacing: -0.02em;
  color: var(--fg);
}
.loop-cn {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0 0 0.75rem;
}
.loop-body {
  font-size: 0.83rem;
  color: var(--fg-2);
  line-height: 1.55;
  margin: 0;
}

/* ==================== PRINCIPLES (bilingual) ==================== */
.principle-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-top: 2.5rem;
}
.principle-card {
  padding: 1.75rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  transition: all var(--dur-base) var(--ease-out);
  position: relative;
  overflow: hidden;
}
.principle-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--accent);
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-out);
}
.principle-card:hover {
  border-color: var(--line-2);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.principle-card:hover::before { opacity: 1; }
.principle-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.15em;
  margin-bottom: 0.75rem;
}
.principle-en {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--fg);
  margin: 0 0 0.35rem;
  letter-spacing: -0.02em;
}
.principle-cn {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 0.9rem;
  letter-spacing: 0.02em;
}
.principle-body {
  font-size: 0.88rem;
  color: var(--fg-2);
  line-height: 1.6;
  margin: 0;
}
.principle-body strong { color: var(--fg); font-weight: 500; }

/* ==================== MANIFESTO ==================== */
.manifesto {
  padding: clamp(4rem, 8vw, 6rem) 0;
  background: var(--fg);
  color: var(--bg);
  text-align: center;
  position: relative;
  overflow: hidden;
}
html[data-theme="dark"] .manifesto {
  background: linear-gradient(180deg, var(--elev) 0%, var(--surface) 100%);
  color: var(--fg);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.manifesto-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--brand-400);
  text-transform: uppercase;
}
.manifesto-body {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.8vw, 2.1rem);
  line-height: 1.4;
  font-weight: 300;
  letter-spacing: -0.02em;
  max-width: 52rem;
  margin: 1.5rem auto 0;
}
.manifesto-body em {
  font-style: normal;
  color: var(--brand-400);
  font-weight: 400;
}
.manifesto-langs {
  display: grid;
  gap: 0.75rem;
  max-width: 48rem;
  margin: 2.5rem auto 0;
  padding: 1.75rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--r-lg);
  text-align: left;
}
html[data-theme="dark"] .manifesto-langs {
  background: var(--elev);
  border-color: var(--line);
}
.manifesto-lang-row {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.12);
  font-size: 0.95rem;
  line-height: 1.5;
  opacity: 0.9;
}
html[data-theme="dark"] .manifesto-lang-row { border-bottom-color: var(--line); }
.manifesto-lang-row:last-child { border-bottom: 0; padding-bottom: 0; }
.manifesto-lang-row .flag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  opacity: 0.7;
  flex-shrink: 0;
  width: 2.25rem;
}
.manifesto-lang-row .text { flex: 1; }
.manifesto-lang-row .text.ja { font-family: 'Noto Sans JP', var(--font-sans); }
.manifesto-lang-row .text.ko { font-family: 'Noto Sans KR', var(--font-sans); }
.manifesto-signature {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  margin-top: 2rem;
  opacity: 0.7;
}

/* ==================== CTA ==================== */
.phi-cta {
  padding: clamp(3rem, 6vw, 5rem) 0;
  text-align: center;
}
.phi-cta-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 2rem;
}
.phi-cta-badges .chip {
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

/* ==================== SECTION UTILS ==================== */
.section-head-center { text-align: center; max-width: 44rem; margin-left: auto; margin-right: auto; }

.highlight-card {
  border-color: var(--accent);
  background: var(--accent-soft);
}
html[data-theme="dark"] .highlight-card {
  background: color-mix(in oklab, var(--accent) 18%, var(--surface));
}

/* Reading time indicator */
.reading-meta {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}
.reading-meta .dot { width: 3px; height: 3px; background: var(--line-2); border-radius: 50%; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .scroll-progress { transition: none; }
  .market-card,
  .case-card,
  .stage-card,
  .principle-card,
  .loop-step,
  .anti-item { transition: none; transform: none !important; }
}