/* =========================================================
   FOREX-OLOGY — Editorial Design System
   Red · White · Black. Cinema-poster meets trading desk.
   ========================================================= */

:root {
  /* Color tokens — true black surfaces, off-white type, crimson accent */
  --bg:            #0a0a0a;
  --bg-grid:       #0d0d0d;
  --surface:       #141414;
  --surface-2:     #1c1c1c;
  --surface-3:     #262626;
  --border:        #2a2a2a;
  --border-soft:   #1d1d1d;
  --hairline:      #333333;
  --text:          #f5f5f5;
  --text-muted:    #a0a0a0;
  --text-dim:      #6c6c6c;
  --accent:        #d62b3c;     /* crimson — primary */
  --accent-hover:  #ef3a4c;
  --accent-deep:   #9c1a27;
  --accent-soft:   rgba(214, 43, 60, 0.12);
  --positive:      #ffffff;     /* white = bullish (rising candle) */
  --negative:      #d62b3c;     /* red = bearish (falling candle) */
  --info:          #ffffff;     /* white as secondary highlight */

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 72px;
  --space-9: 96px;

  --radius-sm: 4px;
  --radius:    6px;
  --radius-lg: 10px;

  /* Typography — Playfair Display (editorial serif) for headlines,
     Inter (clean modern sans) for body. Classic financial-publication pairing. */
  --font-serif: 'Playfair Display', 'Iowan Old Style', Georgia, 'Times New Roman', serif;
  --font-sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  --font-mono:  'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
  font-feature-settings: 'ss01', 'cv11';
  background-image:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(214, 43, 60, 0.06) 0%, transparent 65%),
    radial-gradient(ellipse 50% 30% at 100% 100%, rgba(214, 43, 60, 0.04) 0%, transparent 70%);
  background-attachment: fixed;
}

a { color: var(--accent); text-decoration: none; transition: color .2s; }
a:hover { color: var(--accent-hover); }

img { max-width: 100%; display: block; }

/* Typography — serif headlines, sans body */
h1, h2, h3, h4, h5 {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.015em;
  line-height: 1.15;
  margin: 0 0 var(--space-4);
  color: var(--text);
  font-variation-settings: 'opsz' 144, 'SOFT' 0;
}
h1 {
  font-size: clamp(2.5rem, 5.5vw, 4.75rem);
  letter-spacing: -0.025em;
  font-variation-settings: 'opsz' 144, 'SOFT' 30;
}
h2 { font-size: clamp(1.75rem, 3.5vw, 2.75rem); }
h3 { font-size: 1.5rem; font-variation-settings: 'opsz' 36; }
h4 {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.005em;
}

p { margin: 0 0 var(--space-4); color: var(--text); }

code {
  font-family: var(--font-mono);
  background: var(--surface-2);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: .88em;
  color: var(--accent);
}

::selection { background: var(--accent); color: #ffffff; }

/* =========================================================
   Layout
   ========================================================= */
.container { max-width: 1200px; margin: 0 auto; padding: 0 var(--space-5); }
.container-narrow { max-width: 760px; margin: 0 auto; padding: 0 var(--space-5); }
.container-wide { max-width: 1340px; margin: 0 auto; padding: 0 var(--space-5); }

.row { display: flex; gap: var(--space-5); }
.col { flex: 1; }
.grid    { display: grid; gap: var(--space-5); }
.grid-2  { grid-template-columns: repeat(2, 1fr); }
.grid-3  { grid-template-columns: repeat(3, 1fr); }
.grid-4  { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .row { flex-direction: column; }
}

/* =========================================================
   Navigation
   ========================================================= */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--border-soft);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-5);
}
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-serif);
  font-size: 1.32rem;
  font-weight: 400;
  color: var(--text);
  letter-spacing: -0.015em;
  font-variation-settings: 'opsz' 36;
}
.logo em { font-style: italic; color: var(--accent); }

/* Bull-head logo mark — inline SVG sized via these classes */
.bull-logo {
  width: 36px;
  height: auto;
  color: var(--accent);
  flex-shrink: 0;
  display: block;
  filter: drop-shadow(0 2px 8px rgba(214, 43, 60, .35));
  transition: transform .25s ease, filter .25s ease;
}
.logo:hover .bull-logo {
  transform: rotate(-4deg) scale(1.06);
  filter: drop-shadow(0 4px 14px rgba(214, 43, 60, .55));
}
.bull-logo-lg { width: 84px; }
.bull-logo-xl { width: 128px; }
.nav-links { display: flex; gap: var(--space-6); align-items: center; }
.nav-links a {
  color: var(--text-muted);
  font-size: .9rem;
  font-weight: 500;
  letter-spacing: .005em;
  transition: color .2s;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--accent); }

/* =========================================================
   Buttons
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 12px 24px;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: .92rem;
  letter-spacing: .01em;
  border: 1px solid transparent;
  background: var(--surface-2);
  color: var(--text);
  cursor: pointer;
  transition: background .2s, border-color .2s, color .2s, transform .15s;
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
}
.btn:hover { background: var(--surface-3); }
.btn-primary {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(214,43,60,.25);
}
.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); background: transparent; }
.btn-sm { padding: 8px 14px; font-size: .82rem; }
.btn-lg { padding: 14px 30px; font-size: 1rem; }

/* =========================================================
   Cards
   ========================================================= */
.card {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color .25s, transform .25s;
}
.card:hover { border-color: var(--border); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  font-family: var(--font-mono);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  border-radius: 2px;
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
}
.badge-warn { border-color: rgba(255,255,255,0.3); color: var(--text); }
.badge-info { border-color: rgba(255,255,255,0.3); color: var(--text); }
.badge-muted { border-color: var(--border); color: var(--text-muted); }
.badge-positive { border-color: rgba(255,255,255,0.4); color: var(--text); }

.section-label {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .25em;
  font-weight: 600;
  margin-bottom: var(--space-4);
}
.section-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--accent) 0%, transparent 100%);
  opacity: .6;
}

/* =========================================================
   Hero
   ========================================================= */
.hero {
  position: relative;
  padding: var(--space-9) 0 var(--space-8);
  overflow: hidden;
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-5);
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-8);
  align-items: center;
}
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
}
.hero .kicker {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.hero .kicker::before {
  content: "";
  width: 32px;
  height: 1px;
  background: var(--accent);
}
.hero h1 {
  margin-bottom: var(--space-5);
  max-width: 14ch;
}
.hero h1 em {
  font-style: italic;
  color: var(--accent);
  font-variation-settings: 'opsz' 144, 'SOFT' 100;
}
.hero .lede {
  font-size: 1.18rem;
  color: var(--text-muted);
  max-width: 540px;
  margin: 0 0 var(--space-6);
  line-height: 1.6;
}
.hero-actions { display: flex; gap: var(--space-3); flex-wrap: wrap; }

/* Hero visual — pure SVG candlestick scene rendered via .hero-art */
.hero-art {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, #141414 0%, #0a0a0a 100%);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0,0,0,.6), 0 0 0 1px rgba(214,43,60,.08);
}
.hero-art::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(0deg, transparent 0 39px, rgba(255,255,255,.025) 39px 40px),
    repeating-linear-gradient(90deg, transparent 0 39px, rgba(255,255,255,.025) 39px 40px);
  pointer-events: none;
}
.hero-art-label {
  position: absolute;
  top: var(--space-4);
  left: var(--space-5);
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--text-muted);
  letter-spacing: .15em;
  text-transform: uppercase;
  z-index: 2;
}
.hero-art-price {
  position: absolute;
  top: var(--space-4);
  right: var(--space-5);
  font-family: var(--font-mono);
  font-size: .85rem;
  color: var(--accent);
  font-weight: 600;
  z-index: 2;
}

/* Marquee stats row */
.marquee {
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  padding: var(--space-6) 0;
  margin: var(--space-7) 0;
}
.marquee-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-5);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}
.marquee-item { border-left: 1px solid var(--border-soft); padding: 0 var(--space-5); }
.marquee-item:first-child { border-left: 0; padding-left: 0; }
.marquee-item .label {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: var(--space-3);
}
.marquee-item .value {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  color: var(--text);
  line-height: 1;
  font-variation-settings: 'opsz' 96;
  font-variant-numeric: tabular-nums;
}
.marquee-item .sub {
  font-size: .85rem;
  color: var(--text-muted);
  margin-top: var(--space-2);
}
@media (max-width: 900px) {
  .marquee-grid { grid-template-columns: repeat(2, 1fr); }
  .marquee-item { border-left: 0; padding: 0; }
}

/* =========================================================
   Module cards
   ========================================================= */
.module-card {
  display: block;
  position: relative;
  padding: var(--space-6);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  background: var(--surface);
  text-decoration: none;
  color: inherit;
  transition: border-color .25s, background .25s, transform .25s;
}
.module-card:hover {
  border-color: var(--accent);
  background: var(--surface-2);
  transform: translateY(-2px);
}
.module-card .mc-num {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--accent);
  letter-spacing: .2em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}
.module-card h3 {
  margin: 0 0 var(--space-3);
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 400;
  font-variation-settings: 'opsz' 36;
  color: var(--text);
  line-height: 1.25;
}
.module-card p {
  font-size: .92rem;
  color: var(--text-muted);
  margin: 0 0 var(--space-5);
  line-height: 1.55;
}
.module-card .mc-meta {
  display: flex;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--text-dim);
  border-top: 1px solid var(--border-soft);
  padding-top: var(--space-4);
  letter-spacing: .12em;
  text-transform: uppercase;
}
/* Locked module card — prerequisite quiz not yet passed */
.module-card.locked {
  opacity: .55;
  cursor: not-allowed;
  pointer-events: none;
  position: relative;
}
.module-card.locked::after {
  content: "Locked";
  position: absolute;
  top: 16px;
  right: 16px;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--text-muted);
  border: 1px solid var(--border);
  background: var(--surface-2);
  padding: 4px 10px;
  border-radius: 2px;
}
.module-card.locked h3,
.module-card.locked p { color: var(--text-muted); }
.module-card.locked .mc-num { color: var(--text-dim); }

.module-card.completed::after {
  content: "";
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--accent);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>");
  background-size: 13px;
  background-position: center;
  background-repeat: no-repeat;
}

/* =========================================================
   Module page
   ========================================================= */
.module-header {
  padding: var(--space-8) 0 var(--space-6);
  border-bottom: 1px solid var(--border-soft);
  position: relative;
}
.module-header::before {
  content: "";
  position: absolute; left: 0; right: 0; bottom: -1px;
  height: 2px;
  background: linear-gradient(to right, var(--accent) 0%, transparent 30%);
}
.module-header h1 { font-size: clamp(2rem, 4.5vw, 3.5rem); margin-top: var(--space-3); }
.module-header .meta { display: flex; gap: var(--space-3); margin-bottom: var(--space-4); flex-wrap: wrap; }
.module-content { padding: var(--space-8) 0 var(--space-7); }
.module-content section { margin-bottom: var(--space-9); }
.module-content h2 { margin: 0 0 var(--space-5); font-size: clamp(1.5rem, 2.5vw, 2.25rem); }
.module-content h3 { color: var(--text); margin-top: var(--space-7); margin-bottom: var(--space-4); font-size: 1.4rem; }
.module-content h4 {
  margin-top: var(--space-6);
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--accent);
}
.module-content p { font-size: 1.02rem; line-height: 1.75; }
.module-content ul, .module-content ol {
  padding-left: var(--space-5);
  color: var(--text);
  font-size: 1.02rem;
  line-height: 1.75;
}
.module-content li { margin-bottom: var(--space-2); }
.module-content blockquote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.2rem;
  line-height: 1.5;
  margin: var(--space-6) 0;
  padding: 0 0 0 var(--space-5);
  border-left: 2px solid var(--accent);
  color: var(--text);
}
.module-content blockquote strong { color: var(--accent); font-weight: 600; }
.module-content table { width: 100%; border-collapse: collapse; margin: var(--space-5) 0; font-size: .95rem; }
.module-content table th {
  font-family: var(--font-mono); font-size: .72rem;
  letter-spacing: .15em; text-transform: uppercase; color: var(--text-dim);
  font-weight: 600; text-align: left;
  padding: var(--space-3) var(--space-2);
  border-bottom: 1px solid var(--border);
}
.module-content table td { padding: var(--space-3) var(--space-2); border-bottom: 1px solid var(--border-soft); }

/* "Explained simply" callout */
.eli5 {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-left: 2px solid #ffffff;
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: var(--space-5) var(--space-6);
  margin: var(--space-6) 0;
}
.eli5::before {
  content: "Explained simply";
  display: block;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: #ffffff;
  font-weight: 600;
  margin-bottom: var(--space-3);
}
.eli5 p { margin-bottom: 0; color: var(--text-muted); font-style: italic; font-size: 1rem; line-height: 1.65; }
.eli5 p + p { margin-top: var(--space-3); }

/* Pro tip */
.pro-tip {
  background: var(--accent-soft);
  border: 1px solid rgba(214,43,60,0.3);
  border-radius: var(--radius);
  padding: var(--space-4) var(--space-5);
  margin: var(--space-6) 0;
  font-size: .98rem;
  line-height: 1.65;
}
.pro-tip strong { color: var(--accent); font-weight: 700; }

/* =========================================================
   Video
   ========================================================= */
.video-frame {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface-2);
  border: 1px solid var(--border-soft);
  margin: var(--space-6) 0 var(--space-3);
}
.video-frame iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  border: 0;
}

/* =========================================================
   Chart cards (Chart.js + custom candlesticks)
   ========================================================= */
.chart-card {
  background: var(--bg-grid);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: var(--space-6);
  margin: var(--space-6) 0;
}
.chart-card .chart-title {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: var(--space-5);
  border-bottom: 1px solid var(--border-soft);
  padding-bottom: var(--space-3);
}
.chart-card h4 { margin: 0; font-family: var(--font-serif); font-size: 1.1rem; font-weight: 400; color: var(--text); }
.chart-card .chart-sub {
  font-family: var(--font-mono); font-size: .72rem;
  letter-spacing: .15em; text-transform: uppercase; color: var(--text-dim);
}
.chart-canvas-wrap { position: relative; height: 320px; }
.chart-canvas-wrap.tall { height: 380px; }

/* Pattern SVGs in modules */
.pattern-svg {
  width: 100%; height: auto;
  background: var(--bg-grid);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: var(--space-3);
  margin: var(--space-4) 0;
}

/* =========================================================
   Quiz
   ========================================================= */
.quiz {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: var(--space-7);
  margin: var(--space-8) 0;
}
.quiz h2 { font-family: var(--font-serif); font-size: 2rem; margin-bottom: var(--space-3); }
.quiz-progress { height: 2px; background: var(--border-soft); overflow: hidden; margin-bottom: var(--space-6); }
.quiz-progress-bar { height: 100%; background: var(--accent); width: 0%; transition: width .4s ease; }
.quiz-question { font-family: var(--font-serif); font-size: 1.35rem; margin-bottom: var(--space-5); font-weight: 400; line-height: 1.4; color: var(--text); }
.quiz-options { display: grid; gap: var(--space-3); margin-bottom: var(--space-5); }
.quiz-option {
  display: flex; align-items: flex-start; gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border: 1px solid var(--border);
  background: transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color .2s, background .2s;
  text-align: left;
  font: inherit;
  color: var(--text);
  width: 100%;
  line-height: 1.5;
}
.quiz-option:hover:not(:disabled) { border-color: var(--accent); background: var(--surface-2); }
.quiz-option .qo-letter {
  width: 26px; height: 26px;
  border-radius: 2px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  display: grid; place-items: center;
  font-family: var(--font-mono); font-weight: 600; font-size: .78rem;
  color: var(--text-muted);
  flex-shrink: 0;
}
.quiz-option.correct { border-color: var(--accent); background: var(--accent-soft); }
.quiz-option.correct .qo-letter { background: var(--accent); color: #ffffff; border-color: var(--accent); }
.quiz-option.incorrect { border-color: var(--negative); background: rgba(214,43,60,.06); }
.quiz-option.incorrect .qo-letter { background: var(--negative); color: #ffffff; border-color: var(--negative); }
.quiz-option:disabled { cursor: default; }

.quiz-feedback {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius);
  margin-bottom: var(--space-4);
  border-left: 2px solid var(--accent);
  background: var(--surface);
  display: none;
  font-size: .98rem;
  line-height: 1.6;
}
.quiz-feedback.shown { display: block; }
.quiz-feedback.bad { border-left-color: var(--negative); }
.quiz-feedback strong { display: block; margin-bottom: 4px; color: var(--accent); font-weight: 700; }
.quiz-feedback.bad strong { color: var(--negative); }

.quiz-result { text-align: center; padding: var(--space-8) var(--space-4); }
.quiz-result .score {
  font-family: var(--font-serif); font-size: 5rem; font-weight: 400;
  color: var(--accent); line-height: 1;
  font-variation-settings: 'opsz' 144;
  letter-spacing: -0.02em;
}
.quiz-result .score-pct {
  color: var(--text-muted); margin-bottom: var(--space-6);
  font-family: var(--font-serif); font-style: italic; font-size: 1.1rem;
}
.quiz-actions { display: flex; gap: var(--space-3); justify-content: center; flex-wrap: wrap; }

/* =========================================================
   Auth
   ========================================================= */
.auth-wrap { min-height: calc(100vh - 72px); display: grid; place-items: center; padding: var(--space-8) var(--space-4); }
.auth-card { width: 100%; max-width: 440px; background: var(--surface); border: 1px solid var(--border-soft); border-radius: var(--radius-lg); padding: var(--space-7); }
.auth-card h2 { margin-bottom: var(--space-3); font-size: 1.75rem; }
.auth-card .lede { color: var(--text-muted); margin-bottom: var(--space-6); font-size: .95rem; }

.field { margin-bottom: var(--space-4); }
.field label {
  display: block; font-family: var(--font-mono); font-size: .72rem;
  text-transform: uppercase; letter-spacing: .15em; color: var(--text-dim);
  margin-bottom: var(--space-2); font-weight: 600;
}
.field input {
  width: 100%; padding: 12px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text); font: inherit; font-size: .95rem;
  transition: border-color .2s, background .2s;
}
.field input:focus { outline: none; border-color: var(--accent); background: var(--surface); }

.field textarea, .field select {
  width: 100%;
  padding: 12px 14px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: .95rem;
  transition: border-color .15s, background .15s;
  resize: vertical;
}
.field textarea:focus, .field select:focus {
  outline: none; border-color: var(--accent); background: var(--surface);
}
.field select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--text-muted) 50%),
                    linear-gradient(135deg, var(--text-muted) 50%, transparent 50%);
  background-position: calc(100% - 18px) center, calc(100% - 13px) center;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 40px;
}

/* ---- Payment screen (shown when free signup limit reached) ---- */
.pay-screen { text-align: center; padding: var(--space-3) 0 var(--space-4); }
.pay-price {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 8vw, 4.5rem);
  font-weight: 500;
  color: var(--accent);
  line-height: 1;
  margin: var(--space-5) 0 var(--space-2);
}
.pay-price .pay-currency {
  font-size: .45em;
  vertical-align: top;
  margin-right: 4px;
  font-weight: 400;
}
.pay-price .pay-once {
  display: block;
  font-family: var(--font-mono);
  font-size: .68rem;
  color: var(--text-muted);
  letter-spacing: .25em;
  text-transform: uppercase;
  margin-top: var(--space-3);
}
.pay-includes {
  list-style: none; padding: 0; margin: var(--space-6) 0;
  text-align: left; max-width: 360px; margin-left: auto; margin-right: auto;
}
.pay-includes li {
  padding: 10px 0;
  border-top: 1px solid var(--border-soft);
  color: var(--text);
  font-size: .95rem;
  display: flex; gap: 12px; align-items: flex-start;
}
.pay-includes li:last-child { border-bottom: 1px solid var(--border-soft); }
.pay-includes li::before {
  content: ""; flex-shrink: 0;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  margin-top: 8px;
}
.pay-actions { display: flex; flex-direction: column; gap: 10px; margin-top: var(--space-5); }
.pay-actions .btn { width: 100%; }
.pay-fineprint {
  margin-top: var(--space-5);
  font-size: .78rem;
  color: var(--text-dim);
  line-height: 1.5;
}

.auth-error {
  background: rgba(214,43,60,.08);
  border: 1px solid rgba(214,43,60,.3);
  color: var(--accent);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius);
  margin-bottom: var(--space-4);
  font-size: .9rem;
  display: none;
}
.auth-error.shown { display: block; }

.auth-tabs { display: flex; gap: 0; margin-bottom: var(--space-6); border-bottom: 1px solid var(--border-soft); }
.auth-tabs button {
  flex: 1; padding: var(--space-3) 0;
  background: transparent; border: 0;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-family: var(--font-sans); font-size: .9rem; font-weight: 500;
  cursor: pointer;
  margin-bottom: -1px;
}
.auth-tabs button.active { color: var(--accent); border-bottom-color: var(--accent); }

/* =========================================================
   Dashboard
   ========================================================= */
.dash-stat { background: var(--surface); border: 1px solid var(--border-soft); border-radius: var(--radius); padding: var(--space-5) var(--space-6); }
.dash-stat .label {
  font-family: var(--font-mono); font-size: .68rem;
  text-transform: uppercase; letter-spacing: .2em; color: var(--text-dim);
  margin-bottom: var(--space-3);
}
.dash-stat .value {
  font-family: var(--font-serif); font-size: 2.25rem; font-weight: 400;
  letter-spacing: -.01em; line-height: 1;
  font-variation-settings: 'opsz' 96;
  font-variant-numeric: tabular-nums;
}
.dash-stat .sub { color: var(--text-muted); font-size: .82rem; margin-top: var(--space-2); }

.progress-track { height: 3px; background: var(--border-soft); overflow: hidden; }
.progress-fill { height: 100%; background: var(--accent); transition: width .5s ease; }

/* =========================================================
   Footer
   ========================================================= */
.footer {
  border-top: 1px solid var(--border-soft);
  padding: var(--space-7) 0 var(--space-6);
  margin-top: var(--space-9);
  color: var(--text-dim);
  font-size: .85rem;
  text-align: center;
}
.footer .container > div:last-child { font-family: var(--font-serif); font-style: italic; font-size: .9rem; }
.disclaimer {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: var(--space-4) var(--space-5);
  margin: var(--space-5) 0 0;
  font-size: .82rem;
  color: var(--text-muted);
  line-height: 1.65;
  text-align: left;
}
.disclaimer strong { color: var(--text); font-weight: 700; }

/* =========================================================
   Utility
   ========================================================= */
.text-muted { color: var(--text-muted); }
.text-dim { color: var(--text-dim); }
.text-center { text-align: center; }
.text-serif { font-family: var(--font-serif); }
.text-mono { font-family: var(--font-mono); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.mb-6 { margin-bottom: var(--space-6); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }
.gap-3 { gap: var(--space-3); }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: var(--space-3); }
.flex-center { display: flex; justify-content: center; align-items: center; }
.hidden { display: none !important; }

.hairline-top { border-top: 1px solid var(--border-soft); }
.hairline-bottom { border-bottom: 1px solid var(--border-soft); }

.divider { border: 0; border-top: 1px solid var(--border-soft); margin: var(--space-7) 0; }

.toast {
  position: fixed; bottom: var(--space-5); right: var(--space-5);
  padding: var(--space-4) var(--space-5);
  background: var(--surface-2); border: 1px solid var(--accent);
  border-radius: var(--radius);
  box-shadow: 0 12px 40px rgba(0,0,0,.6);
  z-index: 100; transform: translateY(120%);
  transition: transform .35s ease;
  font-size: .95rem;
}
.toast.shown { transform: translateY(0); }

.pull-quote {
  font-family: var(--font-serif); font-style: italic;
  font-size: 1.6rem; line-height: 1.4;
  color: var(--text); text-align: center;
  max-width: 760px; margin: var(--space-9) auto;
  padding: 0 var(--space-5);
  font-variation-settings: 'opsz' 60, 'SOFT' 50;
}
.pull-quote::before { content: "“"; color: var(--accent); margin-right: 4px; }
.pull-quote::after  { content: "”"; color: var(--accent); margin-left: 4px; }

/* =========================================================
   Animated explainer ("video" player built from SVG + CSS)
   ========================================================= */
.explainer {
  margin: var(--space-7) 0;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.explainer-screen {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: linear-gradient(180deg, #141414 0%, #0a0a0a 100%);
  overflow: hidden;
}
.explainer-screen::before {
  content: "";
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(0deg,  transparent 0 39px, rgba(255,255,255,.025) 39px 40px),
    repeating-linear-gradient(90deg, transparent 0 39px, rgba(255,255,255,.025) 39px 40px);
  pointer-events: none;
}
.explainer-stage {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
}
.explainer-stage svg { width: 100%; height: 100%; display: block; }
.explainer-overlay {
  position: absolute;
  top: var(--space-4);
  left: var(--space-5);
  right: var(--space-5);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-4);
  pointer-events: none;
  z-index: 2;
}
.explainer-kicker {
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--text-dim);
  letter-spacing: .22em;
  text-transform: uppercase;
}
.explainer-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 400;
  margin: 0;
}
.explainer-progress {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: rgba(255,255,255,.06);
  z-index: 2;
}
.explainer-progress-bar {
  height: 100%;
  width: 0%;
  background: var(--accent);
  transition: width 0s linear;
}
.explainer-controls {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--border-soft);
  background: var(--surface-2);
  align-items: center;
}
.exp-btn {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  font-size: 1rem;
  font-family: var(--font-sans);
  cursor: pointer;
  display: grid; place-items: center;
  transition: background .15s, border-color .15s;
  line-height: 1;
}
.exp-btn:hover { border-color: var(--accent); background: var(--surface-3); }
.exp-btn-play {
  width: 44px; height: 44px;
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
  font-size: 1.05rem;
}
.exp-btn-play:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}
.exp-btn-audio {
  font-size: 1.05rem;
}
.exp-btn-audio:disabled {
  opacity: .35;
  cursor: not-allowed;
}
.explainer-caption {
  padding: var(--space-5);
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-style: italic;
  color: var(--text);
  line-height: 1.55;
  min-height: 4em;
}

/* =========================================================
   Candlestick — both static SVG art and module renderer
   ========================================================= */
.candle { transform-origin: center; }
.candle.up   .body { fill: #22c55e; }
.candle.down .body { fill: #ef4444; }
.candle .wick { stroke: #22c55e; stroke-width: 1.2; }
.candle.down .wick { stroke: #ef4444; }

/* =========================================================
   Diagram-card grid — themed reference cards inside lessons.
   Each card shows a focused concept (anatomy, patterns, etc.)
   and 2+ cards line up side-by-side automatically.
   ========================================================= */
.diagram-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px;
  margin: 28px 0;
}
.diagram-card {
  background: rgba(18, 18, 18, 0.7);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  padding: 18px 18px 22px;
}
.diagram-card-title {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  margin: 0 0 16px 0;
  font-weight: 600;
  text-align: center;
}
.diagram-card svg {
  display: block;
  width: 100%;
  height: auto;
}

/* SVG candlestick chart (rendered into module pages by FA.renderCandlestick) */
.cs-chart { width: 100%; height: auto; display: block; }
.cs-chart .grid line { stroke: rgba(255,255,255,.045); stroke-width: 1; }
.cs-chart .axis text { fill: var(--text-dim); font-family: var(--font-mono); font-size: 9px; }
.cs-chart .axis line { stroke: var(--border-soft); }
.cs-chart .candle-up   { fill: #22c55e; stroke: #22c55e; }
.cs-chart .candle-down { fill: #ef4444; stroke: #ef4444; }
.cs-chart .wick { stroke-width: 1.4; }
.cs-chart .annotation { stroke: var(--accent); stroke-width: 1.2; stroke-dasharray: 5 4; fill: none; }
.cs-chart .annotation-label {
  fill: var(--accent); font-family: var(--font-mono); font-size: 10px;
  letter-spacing: .08em; text-transform: uppercase; font-weight: 600;
}
.cs-chart .level-label { fill: var(--text-muted); font-family: var(--font-mono); font-size: 10px; }

/* =========================================================
   Home-page extras — feature strip, marquee belt, bull motif
   ========================================================= */
.home-belt {
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  padding: var(--space-5) 0;
  background: var(--bg-grid);
  overflow: hidden;
}
.home-belt-track {
  display: flex; gap: var(--space-9);
  font-family: var(--font-serif); font-style: italic;
  font-size: 1.6rem; color: var(--text-muted);
  white-space: nowrap;
  animation: belt-scroll 38s linear infinite;
}
.home-belt-track span { display: inline-flex; align-items: center; gap: var(--space-5); }
.home-belt-track span::after {
  content: ""; width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent); display: inline-block;
}
@keyframes belt-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-9);
  align-items: center;
  margin: var(--space-9) auto;
  max-width: 1200px;
  padding: 0 var(--space-5);
}
.feature-row.flip { grid-template-columns: 1fr 1fr; }
.feature-row.flip .feature-row-art { order: -1; }
@media (max-width: 900px) {
  .feature-row, .feature-row.flip { grid-template-columns: 1fr; gap: var(--space-7); }
  .feature-row.flip .feature-row-art { order: 0; }
}
.feature-row-art {
  position: relative;
  aspect-ratio: 5 / 4;
  background: linear-gradient(180deg, #141414 0%, #0a0a0a 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,.5);
}
.feature-row-art::before {
  content: "";
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(0deg, transparent 0 39px, rgba(255,255,255,.03) 39px 40px),
    repeating-linear-gradient(90deg, transparent 0 39px, rgba(255,255,255,.03) 39px 40px);
  pointer-events: none;
}
.feature-row-art svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.feature-row h2 em { font-style: italic; color: var(--accent); font-variation-settings: 'opsz' 144, 'SOFT' 80; }

.bull-watermark {
  position: absolute;
  bottom: -20px; right: -20px;
  width: 220px; opacity: .07;
  color: var(--accent);
  pointer-events: none;
}

/* Home-page pricing card */
.pricing-card {
  max-width: 520px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--accent);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,.5), 0 0 0 1px rgba(214, 43, 60, .15);
}
.pricing-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent 0%, var(--accent) 50%, transparent 100%);
}
.pricing-card-inner { padding: 56px 48px; text-align: center; }
.pricing-price {
  font-family: var(--font-serif);
  color: var(--text);
  line-height: 1;
  margin-top: var(--space-3);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 4px;
}
.pricing-currency {
  font-size: 1.6rem;
  margin-top: 12px;
  color: var(--text-muted);
}
.pricing-amount {
  font-size: 5.5rem;
  font-weight: 500;
  color: var(--accent);
}
.pricing-cents {
  font-size: 1.6rem;
  margin-top: 12px;
  color: var(--accent);
  font-weight: 500;
}
.pricing-term {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .25em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-top: var(--space-3);
  margin-bottom: var(--space-7);
}
.pricing-includes {
  list-style: none;
  padding: 0;
  margin: 0 auto var(--space-7);
  text-align: left;
  max-width: 360px;
}
.pricing-includes li {
  padding: 12px 0;
  border-top: 1px solid var(--border-soft);
  color: var(--text-muted);
  font-size: .95rem;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  line-height: 1.5;
}
.pricing-includes li:last-child { border-bottom: 1px solid var(--border-soft); }
.pricing-includes li::before {
  content: "✓";
  flex-shrink: 0;
  width: 18px; height: 18px;
  display: inline-grid; place-items: center;
  color: var(--accent);
  font-weight: 600;
  margin-top: 1px;
}
.pricing-includes li strong { color: var(--text); font-weight: 600; }
.pricing-fineprint {
  margin-top: var(--space-5);
  margin-bottom: 0;
  font-size: .78rem;
  color: var(--text-dim);
  line-height: 1.6;
}

/* Home-page CTA stripe */
.cta-stripe {
  position: relative;
  margin-top: var(--space-9);
  padding: var(--space-9) var(--space-5);
  text-align: center;
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  background:
    radial-gradient(ellipse 60% 80% at 50% 50%, rgba(214,43,60,.10) 0%, transparent 70%),
    var(--bg-grid);
  overflow: hidden;
}
.cta-stripe .bull-logo-xl {
  margin: 0 auto var(--space-5);
  filter: drop-shadow(0 12px 32px rgba(214,43,60,.5));
}
.cta-stripe h2 { max-width: 18ch; margin-left: auto; margin-right: auto; margin-bottom: var(--space-4); }
.cta-stripe p  { color: var(--text-muted); max-width: 540px; margin: 0 auto var(--space-6); font-size: 1.05rem; }