/* ============================================================
   POWER OF PRICE — BLOG ARTICLE DESIGN SYSTEM
   Luxury editorial layout · GPU-accelerated · accessible
   Used by: blog-market-structure-philosophy.html, blog-reversal-candlestick.html
   ============================================================ */

/* ===== Article color tokens (extends main brand palette) ===== */
.article-mode {
  --ink:        rgba(250, 244, 235, 0.95);
  --ink-soft:   rgba(250, 244, 235, 0.78);
  --ink-dim:    rgba(250, 244, 235, 0.62);
  --ink-faint:  rgba(250, 244, 235, 0.32);
  --ink-trace:  rgba(250, 244, 235, 0.10);

  --paper:      #0a0a0c;
  --paper-2:    #111114;
  --paper-3:    #18181c;

  --crimson:      #d62a44;
  --crimson-2:    #e21f3d;
  --crimson-glow: rgba(214, 42, 68, 0.20);

  --bull:       #3ea676;
  --bull-line:  #57c08c;

  --gold:       #c9a96a;
  --gold-glow:  rgba(201, 169, 106, 0.18);

  --rule:        rgba(250, 244, 235, 0.14);
  --rule-strong: rgba(250, 244, 235, 0.25);

  background: var(--paper);
  color: var(--ink);
  font-family: 'Space Grotesk', 'IBM Plex Sans Thai', sans-serif;
  font-feature-settings: 'kern', 'liga', 'calt';
  -webkit-font-smoothing: antialiased;
}

.article-mode .ink-faint { color: var(--ink-faint); }
.article-mode .ink-dim   { color: var(--ink-dim); }

/* ===== Reading progress bar (top fixed) ===== */
.reading-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--crimson), #f87171);
  z-index: 1000;
  transition: width 0.1s linear;
  box-shadow: 0 0 12px rgba(214, 42, 68, 0.5);
}

/* ===== Hero — cinematic landing ===== */
.art-hero {
  position: relative;
  padding: 160px 0 120px;
  min-height: 92vh;
  background: radial-gradient(ellipse at 50% 0%, #18181c 0%, #050505 70%);
  overflow: hidden;
  display: flex;
  align-items: center;
}
.art-bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(250,244,235,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(250,244,235,0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(180deg, transparent 0%, black 30%, black 70%, transparent 100%);
  pointer-events: none;
}
.art-bg-noise {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 10%, rgba(214,42,68,0.10) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 90%, rgba(201,169,106,0.05) 0%, transparent 55%);
  pointer-events: none;
}
.art-hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1100px;
}

/* Floating candles for article hero */
.art-candles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  perspective: 1200px;
  z-index: 1;
}
.art-candle {
  position: absolute;
  width: 16px;
  height: 80px;
  transform-style: preserve-3d;
  animation: art-candle-float 14s ease-in-out infinite;
  filter: drop-shadow(0 8px 24px rgba(0,0,0,0.5));
  will-change: transform;
}
.art-candle::before,
.art-candle::after {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 22px;
  background: currentColor;
  border-radius: 1px;
}
.art-candle::before { top: -22px; }
.art-candle::after  { bottom: -22px; }
.art-candle div {
  position: absolute;
  inset: 0;
  background: currentColor;
  border-radius: 3px;
  box-shadow: 0 0 20px currentColor, inset 0 0 12px rgba(255,255,255,0.15);
}
.art-candle.bull   { color: #3ea676; }
.art-candle.bear   { color: #d62a44; }
.art-candle.bull-2 { color: #57c08c; }
.art-candle.bear-2 { color: #e21f3d; }
.art-candle.c1 { top: 18%; left: 8%;  animation-delay: 0s;    --rx: -10deg; --ry: 25deg; }
.art-candle.c2 { top: 22%; right: 10%; animation-delay: -4.5s; --rx: 15deg;  --ry: -30deg; width: 14px; height: 70px; }
.art-candle.c3 { bottom: 32%; left: 14%; animation-delay: -9s; --rx: -5deg;  --ry: 20deg; width: 12px; height: 60px; }
.art-candle.c4 { bottom: 18%; right: 16%; animation-delay: -2s; --rx: 8deg;  --ry: -18deg; width: 10px; height: 50px; }
@keyframes art-candle-float {
  0%, 100% { transform: translate3d(0, 0, 0) rotateX(var(--rx)) rotateY(var(--ry)); }
  25%  { transform: translate3d(20px, -25px, 50px) rotateX(calc(var(--rx) + 8deg)) rotateY(calc(var(--ry) - 15deg)); }
  50%  { transform: translate3d(-15px, 15px, 80px) rotateX(calc(var(--rx) - 5deg)) rotateY(calc(var(--ry) + 20deg)); }
  75%  { transform: translate3d(10px, -10px, 30px) rotateX(var(--rx)) rotateY(calc(var(--ry) - 10deg)); }
}

/* Chapter mark */
.art-chap-mark {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  padding: 8px 18px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 36px;
  backdrop-filter: blur(8px);
  background: rgba(255,255,255,0.02);
}
.art-chap-mark .dot {
  width: 6px;
  height: 6px;
  background: var(--crimson);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--crimson);
  animation: art-dot-pulse 2s ease-in-out infinite;
}
.art-chap-mark .num {
  color: var(--ink);
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
}
@keyframes art-dot-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.4; transform: scale(1.4); }
}

/* Massive editorial title */
.art-title {
  font-size: clamp(3rem, 8vw, 7.5rem);
  line-height: 1.05;            /* relaxed for Thai */
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 28px;
  padding-top: 4px;
  padding-bottom: 8px;
}
.art-title em {
  font-family: 'Instrument Serif', 'IBM Plex Sans Thai Looped', 'IBM Plex Sans Thai', serif;
  font-style: italic;
  font-weight: 400;
  background: linear-gradient(135deg, #e21f3d 0%, #d62a44 50%, #f87171 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 24px rgba(214,42,68,0.45));
}
.art-subtitle {
  font-size: 1.25rem;
  color: var(--ink-dim);
  max-width: 620px;
  margin-bottom: 44px;
  line-height: 1.6;
}
.art-subtitle strong { color: var(--ink); font-weight: 600; }

/* Meta strip */
.art-meta-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  padding: 18px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin-bottom: 56px;
}
.art-meta-strip span {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--ink-dim);
  letter-spacing: 0.04em;
}
.art-meta-strip i { color: var(--crimson); }

/* Hero quote-mark */
.art-quote-mark {
  padding-left: 28px;
  border-left: 3px solid var(--crimson);
  max-width: 680px;
}
.art-quote-mark p {
  font-family: 'Instrument Serif', 'IBM Plex Sans Thai Looped', 'IBM Plex Sans Thai', serif;
  font-style: italic;
  font-size: clamp(1.4rem, 2.5vw, 1.75rem);
  line-height: 1.45;
  color: var(--ink);
  margin-bottom: 14px;
}
.art-quote-mark cite {
  font-size: 12px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-style: normal;
}

/* ===== Sticky TOC (right sidebar) ===== */
.art-toc {
  position: fixed;
  top: 50%;
  right: 32px;
  transform: translateY(-50%);
  z-index: 50;
  padding: 22px;
  background: rgba(10,10,12,0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--rule);
  border-radius: 18px;
  max-width: 240px;
  box-shadow: 0 12px 36px rgba(0,0,0,0.6);
}
.art-toc .toc-label {
  font-size: 10px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--rule);
}
.art-toc ol {
  list-style: none;
  padding: 0;
  margin: 0;
}
.art-toc li {
  margin: 6px 0;
}
.art-toc a {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 7px 10px;
  margin: 0 -10px;
  color: var(--ink-dim);
  text-decoration: none;
  font-size: 13px;
  border-radius: 6px;
  transition: all 0.2s ease;
}
.art-toc a:hover {
  color: var(--ink);
  background: rgba(255,255,255,0.04);
}
.art-toc a.active {
  color: var(--ink);
  background: rgba(214,42,68,0.10);
  font-weight: 600;
}
.art-toc a.active .ch-num { color: var(--crimson); }
.art-toc .ch-num {
  color: var(--ink-faint);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  min-width: 22px;
  transition: color 0.2s;
}
@media (max-width: 1280px) {
  .art-toc { display: none; }
}

/* ===== Article body ===== */
.art-body {
  padding: 80px 0;
  background: var(--paper);
}
.art-chapter {
  padding: 64px 0;
  max-width: 880px;
  margin: 0 auto;
}
.art-chap-tag {
  display: flex;
  align-items: baseline;
  gap: 24px;
  margin-bottom: 32px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--rule);
}
.art-chap-tag.center {
  justify-content: center;
  border: none;
  padding: 0;
}
.art-chap-tag .ch-part {
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-weight: 500;
}
.art-chap-tag .ch-num-big {
  font-family: 'JetBrains Mono', monospace;
  font-size: 80px;
  font-weight: 300;
  color: var(--crimson);
  line-height: 1;
  opacity: 0.85;
  margin-left: auto;
}

/* Headings */
.art-h2 {
  font-size: clamp(2.4rem, 5vw, 4.5rem);
  line-height: 1.3;            /* extra room for Thai tone marks (่ ้ ๊ ๋) above */
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 36px;
  padding-top: 16px;            /* headroom for top diacritics */
  padding-bottom: 12px;         /* avoid descender clipping */
  color: var(--ink);
  word-break: break-word;
  overflow-wrap: break-word;
}
.art-h2 em {
  font-family: 'Instrument Serif', 'IBM Plex Sans Thai Looped', 'IBM Plex Sans Thai', serif;
  font-style: italic;
  font-weight: 400;
  background: linear-gradient(135deg, #e21f3d 0%, #d62a44 50%, #f87171 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  -webkit-text-stroke: 0.5px rgba(220,38,38,0.45); /* outline ensures Thai tone marks render visibly with gradient fill */
}
/* Thai em variant: explicit class — skip synthetic italic, use proper Thai font, bolder weight for tone-mark visibility */
.art-h2 em.th,
.art-h2 .em-th {
  font-style: normal;
  font-family: 'IBM Plex Sans Thai Looped', 'IBM Plex Sans Thai', sans-serif;
  font-weight: 700;
  letter-spacing: -0.01em;
  -webkit-text-stroke: 0.6px rgba(220,38,38,0.55);
}

/* Lede paragraph (first paragraph of chapter — drop cap) */
.art-lede {
  font-size: 1.1875rem;
  line-height: 1.75;
  color: var(--ink);
  margin-bottom: 48px;
}
.art-lede strong { color: var(--ink); font-weight: 700; }
.art-lede em { color: var(--crimson); font-style: italic; font-weight: 500; }

/* ===== Visual containers ===== */
.art-visual {
  margin: 48px 0;
  padding: 32px;
  background: linear-gradient(180deg, #0c0c0e 0%, #050505 100%);
  border: 1px solid var(--rule);
  border-radius: 18px;
  box-shadow: 0 12px 32px rgba(0,0,0,0.4);
}
.art-visual.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.art-caption {
  text-align: center;
  font-size: 13px;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
  margin-top: 18px;
  font-style: italic;
}

/* Equilibrium visualization */
.vis-equilibrium {
  position: relative;
  aspect-ratio: 3/1;
  background: #050505;
  border-radius: 12px;
  overflow: hidden;
}
.vis-axis-y, .vis-axis-x {
  position: absolute;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--ink-faint);
  letter-spacing: 0.2em;
}
.vis-axis-y { top: 16px; left: 16px; }
.vis-axis-x { bottom: 16px; right: 16px; }
.eq-zone {
  position: absolute;
  inset: 40px 60px;
}
.eq-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(250,244,235,0.3);
}
.eq-line.top { top: 30%; }
.eq-line.bot { bottom: 30%; }
.eq-label {
  position: absolute;
  right: 0;
  padding: 3px 12px;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-dim);
  background: rgba(250,244,235,0.06);
  border-radius: 4px;
}
.eq-label.top-label { top: -22px; }
.eq-label.bot-label { bottom: -22px; }
.eq-wave {
  position: absolute;
  left: 0;
  right: 0;
  top: 30%;
  bottom: 30%;
  width: 100%;
  height: 40%;
}
.eq-tag {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  padding: 8px 22px;
  background: rgba(214,42,68,0.18);
  border: 1px solid var(--crimson);
  color: #FCA5A5;
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}

/* Imbalance cards */
.vis-imb-card {
  padding: 32px;
  background: linear-gradient(180deg, rgba(255,255,255,0.025) 0%, transparent 100%);
  border: 1px solid var(--rule);
  border-radius: 14px;
  text-align: center;
}
.vis-imb-card.up   { border-left: 3px solid var(--bull); }
.vis-imb-card.down { border-left: 3px solid var(--crimson); }
.vis-imb-arrow {
  font-size: 48px;
  margin-bottom: 18px;
}
.vis-imb-card.up   .vis-imb-arrow { color: var(--bull); }
.vis-imb-card.down .vis-imb-arrow { color: var(--crimson); }
.vis-imb-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 24px;
  color: var(--ink);
}
.vis-imb-stats {
  display: flex;
  justify-content: space-around;
  margin-bottom: 24px;
}
.vis-imb-stats > div {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.vis-imb-stats .num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1;
}
.vis-imb-stats .lbl {
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.vis-imb-desc {
  font-size: 14px;
  color: var(--ink-dim);
  line-height: 1.65;
}

/* Order block / fake-out / reversal SVG containers */
.vis-order-block,
.vis-fakeout,
.vis-reversal {
  width: 100%;
}
.ob-svg, .fo-svg, .rv-svg {
  width: 100%;
  height: auto;
  display: block;
}

/* ===== Insight / Callout / Checklist ===== */
.art-insight {
  display: flex;
  gap: 24px;
  padding: 28px 32px;
  background: rgba(214,42,68,0.06);
  border-left: 3px solid var(--crimson);
  border-radius: 0 12px 12px 0;
  margin: 48px 0;
}
.insight-icon {
  color: var(--crimson);
  font-size: 22px;
  flex-shrink: 0;
}
.art-insight p {
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  margin: 0;
}
.art-insight strong { color: var(--ink); font-weight: 700; }

.art-callout {
  padding: 24px 32px;
  background: linear-gradient(180deg, rgba(62,166,118,0.08) 0%, rgba(62,166,118,0.02) 100%);
  border-left: 3px solid var(--bull);
  border-radius: 0 12px 12px 0;
  margin: 36px 0;
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--ink);
}
.art-callout.warn {
  background: linear-gradient(180deg, rgba(245,158,11,0.10) 0%, rgba(245,158,11,0.02) 100%);
  border-left-color: #F59E0B;
}
.art-callout strong { color: var(--ink); }
.art-callout em { color: var(--crimson); font-style: italic; }
.art-callout i { color: #F59E0B; margin-right: 6px; }

/* Checklist */
.art-checklist {
  padding: 32px;
  background: linear-gradient(180deg, rgba(255,255,255,0.025) 0%, transparent 100%);
  border: 1px solid var(--rule);
  border-radius: 14px;
  margin: 36px 0;
}
.art-checklist .cl-title {
  font-size: 13px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: 22px;
  font-weight: 700;
}
.art-checklist ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.art-checklist li {
  display: flex;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.55;
}
.art-checklist li:last-child { border-bottom: none; }
.art-checklist i {
  color: var(--bull);
  flex-shrink: 0;
  margin-top: 4px;
  font-size: 14px;
}

/* ===== Stats row (counter animation) ===== */
.art-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding: 44px 0;
  margin: 56px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.art-stat {
  text-align: center;
}
.art-stat .num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 4rem;
  font-weight: 300;
  color: var(--crimson);
  line-height: 1;
  display: inline-block;
  filter: drop-shadow(0 0 16px rgba(214,42,68,0.35));
}
.art-stat .suf {
  font-size: 2rem;
  color: var(--crimson);
  margin-left: 6px;
  font-family: 'JetBrains Mono', monospace;
}
.art-stat .lbl {
  display: block;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: 14px;
}

/* ===== Vocab cards (HH/HL/LH/LL) ===== */
.art-vocab-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin: 48px 0;
}
.vocab-card {
  padding: 32px;
  border: 1px solid var(--rule);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255,255,255,0.025) 0%, transparent 100%);
  transition: all 0.3s ease;
}
.vocab-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.4);
}
.vocab-card.up   { border-top: 3px solid var(--bull); }
.vocab-card.down { border-top: 3px solid var(--crimson); }
.vocab-abbr {
  font-family: 'Instrument Serif', 'IBM Plex Sans Thai Looped', 'IBM Plex Sans Thai', serif;
  font-style: italic;
  font-size: 5rem;
  font-weight: 400;
  line-height: 1;
}
.vocab-card.up   .vocab-abbr { color: var(--bull); }
.vocab-card.down .vocab-abbr { color: var(--crimson); }
.vocab-full {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 10px 0 18px;
  color: var(--ink);
}
.vocab-desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-dim);
  margin-bottom: 24px;
}
.vocab-desc .hl-up   { color: var(--bull);    font-weight: 600; }
.vocab-desc .hl-down { color: var(--crimson); font-weight: 600; }
.vocab-mini {
  width: 100%;
  height: 60px;
  opacity: 0.85;
}

/* ===== Stages (4-step reversal) ===== */
.art-stages {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 48px 0;
}
.stage {
  padding: 24px;
  background: linear-gradient(180deg, rgba(255,255,255,0.025) 0%, transparent 100%);
  border: 1px solid var(--rule);
  border-radius: 14px;
}
.stage-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #e21f3d 0%, #d62a44 100%);
  color: white;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  box-shadow: 0 0 18px rgba(214,42,68,0.4);
}
.stage-name {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 10px;
}
.stage-desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-dim);
}
.stage-desc strong { color: var(--ink); }

/* ===== Closing section (Quote of the Day) ===== */
.art-closing {
  position: relative;
  padding: 120px 0;
  background: radial-gradient(ellipse at 50% 50%, #18181c 0%, #050505 75%);
  text-align: center;
  overflow: hidden;
}
.art-closing .art-bg-grid { z-index: 0; }
.art-closing .container { position: relative; z-index: 2; }
.art-final-quote {
  max-width: 820px;
  margin: 60px auto;
}
.art-final-quote p {
  font-family: 'Instrument Serif', 'IBM Plex Sans Thai Looped', 'IBM Plex Sans Thai', serif;
  font-style: italic;
  font-size: clamp(1.875rem, 5vw, 3.25rem);
  line-height: 1.25;
  color: var(--ink);
  margin: 0;
}
.art-final-quote em {
  background: linear-gradient(135deg, #e21f3d 0%, #d62a44 50%, #f87171 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-style: italic;
}
.art-final-quote cite {
  display: block;
  margin-top: 36px;
  font-size: 12px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-style: normal;
}
.cite-line {
  display: inline-block;
  width: 60px;
  height: 1px;
  background: var(--crimson);
  vertical-align: middle;
  margin-right: 16px;
}
.art-cta {
  display: inline-flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 44px;
}

/* ===== Related articles ===== */
.art-related {
  padding: 80px 0;
  background: #060608;
  border-top: 1px solid var(--rule);
}
.rel-h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 36px;
  color: var(--ink);
  text-align: center;
  letter-spacing: -0.01em;
}
.rel-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}
.rel-card {
  padding: 32px;
  background: linear-gradient(180deg, rgba(255,255,255,0.025) 0%, transparent 100%);
  border: 1px solid var(--rule);
  border-radius: 18px;
  text-decoration: none;
  transition: all 0.35s cubic-bezier(0.2, 0.8, 0.4, 1);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.rel-card:hover {
  border-color: var(--crimson);
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(214,42,68,0.20);
}
.rel-thumb {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  background: rgba(214,42,68,0.12);
  border-radius: 12px;
  color: var(--crimson);
  font-size: 1.5rem;
  transition: all 0.3s ease;
}
.rel-card:hover .rel-thumb {
  background: rgba(214,42,68,0.22);
  transform: scale(1.05);
}
.rel-cat {
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.rel-title {
  font-size: 1.125rem;
  line-height: 1.4;
  color: var(--ink);
  font-weight: 600;
}

/* ===== Pattern card (for Reversal Candlestick article) ===== */
.art-pattern-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin: 48px 0;
}
.pattern-card {
  padding: 32px;
  background: linear-gradient(180deg, rgba(255,255,255,0.025) 0%, transparent 100%);
  border: 1px solid var(--rule);
  border-radius: 18px;
  transition: all 0.3s ease;
}
.pattern-card:hover {
  transform: translateY(-3px);
  border-color: rgba(214,42,68,0.4);
  box-shadow: 0 16px 36px rgba(0,0,0,0.45);
}
.pattern-card.bullish { border-top: 3px solid var(--bull); }
.pattern-card.bearish { border-top: 3px solid var(--crimson); }
.pattern-svg {
  width: 100%;
  height: 180px;
  margin-bottom: 20px;
  background: #050505;
  border-radius: 10px;
  padding: 12px;
}
.pattern-name {
  font-family: 'Instrument Serif', 'IBM Plex Sans Thai Looped', 'IBM Plex Sans Thai', serif;
  font-style: italic;
  font-size: 2rem;
  line-height: 1;
  margin-bottom: 8px;
  color: var(--ink);
}
.pattern-name em {
  background: linear-gradient(135deg, #e21f3d, #d62a44);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.pattern-direction {
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 18px;
  font-weight: 600;
}
.pattern-card.bullish .pattern-direction { color: var(--bull); }
.pattern-card.bearish .pattern-direction { color: var(--crimson); }
.pattern-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-dim);
  margin-bottom: 16px;
}
.pattern-rules {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
  border-top: 1px solid var(--rule);
  padding-top: 16px;
}
.pattern-rules li {
  display: flex;
  gap: 10px;
  font-size: 13px;
  color: var(--ink);
  padding: 6px 0;
  line-height: 1.5;
}
.pattern-rules li::before {
  content: '✓';
  color: var(--bull);
  font-weight: 700;
  flex-shrink: 0;
}
.pattern-card.bearish .pattern-rules li::before { color: var(--crimson); }

/* ===== Mobile ===== */
@media (max-width: 768px) {
  .art-hero { min-height: auto; padding: 100px 0 60px; }
  .art-meta-strip { gap: 14px; }
  .art-visual.two-col { grid-template-columns: 1fr; }
  .art-vocab-grid { grid-template-columns: 1fr; }
  .art-pattern-grid { grid-template-columns: 1fr; }
  .art-stats-row { grid-template-columns: 1fr; gap: 36px; padding: 32px 0; }
  .art-stages { grid-template-columns: 1fr 1fr; }
  .rel-grid { grid-template-columns: 1fr; }
  .art-chap-tag { flex-direction: column; gap: 14px; align-items: flex-start; }
  .art-chap-tag .ch-num-big { margin-left: 0; font-size: 64px; }
  .art-candle.c2,
  .art-candle.c4 { display: none; }
  .art-visual { padding: 20px; }
  .art-stat .num { font-size: 3rem; }
  .art-chapter { padding: 40px 0; }
  .art-h2 { font-size: 2.25rem; }
  .vocab-abbr { font-size: 4rem; }
}
@media (max-width: 480px) {
  .art-hero { padding: 80px 0 40px; }
  .art-candle { display: none; }
  .art-stages { grid-template-columns: 1fr; }
}

/* ===== Reduced motion (a11y) ===== */
@media (prefers-reduced-motion: reduce) {
  .art-candle,
  .art-chap-mark .dot,
  .reading-progress { animation: none !important; transition: none !important; }
  .vocab-card:hover,
  .pattern-card:hover,
  .rel-card:hover {
    transform: none !important;
  }
}