/* ============================================================
   Backtesting Simulator Product Page
   Source: cloned from backtesting-simulator-product.css.
   Aesthetic: portfolio engine, structural, blueprint feel.
   Accent: #2dd4bf — differentiates from the other product pages.
   Scoped under .backtesting-simulator-product so it doesn't bleed into the theme.
   Painter pattern applied from day 1 (full-bleed sections).
   Theme reset block at the bottom defeats Astra/components.css !important
   bleed (same approach as alpha-pulse-ai-product.css).
   ============================================================ */

.backtesting-simulator-product {
  /* Palette */
  --bts-bg: #0b0c0e;
  --bts-bg-2: #0f1114;
  --bts-surface: #14171c;
  --bts-surface-2: #1a1e25;
  --bts-line: rgba(255, 255, 255, 0.07);
  --bts-line-2: rgba(255, 255, 255, 0.13);

  --bts-text: #f4f3ee;
  --bts-text-2: #b8b4a6;
  --bts-text-3: #807c70;

  --bts-accent: #2dd4bf;
  --bts-accent-soft: rgba(45, 212, 191, 0.12);
  --bts-accent-line: rgba(45, 212, 191, 0.32);

  --bts-green: #4ade80;
  --bts-green-soft: rgba(74, 222, 128, 0.1);
  --bts-red: #f87171;
  --bts-red-soft: rgba(248, 113, 113, 0.1);

  --bts-font-display: 'Geist', ui-sans-serif, system-ui, sans-serif;
  --bts-font-text:    'Geist', ui-sans-serif, system-ui, sans-serif;
  --bts-font-mono:    'JetBrains Mono', ui-monospace, 'SF Mono', monospace;
  --bts-font-serif:   'Instrument Serif', Georgia, serif;

  --bts-max: 1240px;
  --bts-max-narrow: 880px;
  --bts-pad: clamp(20px, 4vw, 40px);
  --bts-section-y: 88px;

  color: var(--bts-text);
  font-family: var(--bts-font-text);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.backtesting-simulator-product *,
.backtesting-simulator-product *::before,
.backtesting-simulator-product *::after { box-sizing: border-box; }

.backtesting-simulator-product img { max-width: 100%; display: block; }
.backtesting-simulator-product a { color: inherit; text-decoration: none; }
.backtesting-simulator-product button { font: inherit; cursor: pointer; }
.backtesting-simulator-product ::selection { background: var(--bts-accent); color: #0a0a0a; }
.backtesting-simulator-product h1,
.backtesting-simulator-product h2,
.backtesting-simulator-product h3,
.backtesting-simulator-product h4,
.backtesting-simulator-product h5 {
  margin: 0; font-family: var(--bts-font-display); font-weight: 600;
  letter-spacing: -0.025em; line-height: 1.05; color: var(--bts-text);
  text-wrap: balance;
}
.backtesting-simulator-product p { margin: 0; color: var(--bts-text-2); text-wrap: pretty; }
.backtesting-simulator-product ul { margin: 0; }

/* ── Layout ──────────────────────────────────────────────── */
.backtesting-simulator-product .bts-wrap        { width: 100%; max-width: var(--bts-max); margin: 0 auto; padding: 0 var(--bts-pad); }
.backtesting-simulator-product .bts-wrap-narrow { max-width: var(--bts-max-narrow); }
.backtesting-simulator-product .bts-section     { padding: var(--bts-section-y) 0; }

/* ============================================================
   Full-viewport section painter pattern — see
   feedback_full-width-section-painter.md (commit 9ffffb94).
   ============================================================ */
.backtesting-simulator-product .bts-subnav,
.backtesting-simulator-product .bts-hero,
.backtesting-simulator-product .bts-section,
.backtesting-simulator-product .bts-final-cta {
  position: relative;
  isolation: isolate;
  background: transparent;
  overflow: visible;
}
.backtesting-simulator-product .bts-subnav::before,
.backtesting-simulator-product .bts-hero::before,
.backtesting-simulator-product .bts-section::before,
.backtesting-simulator-product .bts-final-cta::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 100vw; height: 100%;
  z-index: 0;
  pointer-events: none;
  background: var(--bts-bg);
}
.backtesting-simulator-product .bts-subnav > .bts-wrap,
.backtesting-simulator-product .bts-hero > .bts-wrap,
.backtesting-simulator-product .bts-section > .bts-wrap,
.backtesting-simulator-product .bts-final-cta > .bts-wrap {
  position: relative;
  z-index: 1;
}
.backtesting-simulator-product .bts-section + .bts-section::before {
  border-top: 1px solid var(--bts-line);
}

/* ── Type ───────────────────────────────────────────────── */
.backtesting-simulator-product .bts-eyebrow {
  font-family: var(--bts-font-mono);
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--bts-text-3);
}
.backtesting-simulator-product .bts-eyebrow-accent { color: var(--bts-accent); }
.backtesting-simulator-product .bts-eyebrow .bts-dot,
.backtesting-simulator-product .bts-dot {
  display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  background: var(--bts-accent); margin-right: 8px; vertical-align: 1px;
  box-shadow: 0 0 0 4px var(--bts-accent-soft);
  animation: bts-pulse 2.4s ease-in-out infinite;
}
@keyframes bts-pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 4px var(--bts-accent-soft); }
  50%      { opacity: 0.5; box-shadow: 0 0 0 8px transparent; }
}

.backtesting-simulator-product h1 { font-size: clamp(40px, 6vw, 72px); font-weight: 500; letter-spacing: -0.04em; }
.backtesting-simulator-product h2 { font-size: clamp(28px, 4vw, 52px); font-weight: 500; letter-spacing: -0.035em; }
.backtesting-simulator-product h3 { font-size: 20px; font-weight: 600; letter-spacing: -0.015em; }
.backtesting-simulator-product h4 { font-size: 14px; font-weight: 600; letter-spacing: -0.005em; }
.backtesting-simulator-product h1 .bts-serif,
.backtesting-simulator-product h2 .bts-serif,
.backtesting-simulator-product h3 .bts-serif {
  font-family: var(--bts-font-serif); font-style: italic; font-weight: 400; letter-spacing: -0.02em;
}
.backtesting-simulator-product .bts-lead { font-size: 19px; line-height: 1.55; color: var(--bts-text-2); max-width: 60ch; }
.backtesting-simulator-product .bts-muted { color: var(--bts-text-3); }
.backtesting-simulator-product .bts-mono  { font-family: var(--bts-font-mono); }
.backtesting-simulator-product .bts-accent { color: var(--bts-accent); }

/* ── Buttons ────────────────────────────────────────────── */
.backtesting-simulator-product .bts-btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 10px;
  height: 48px;
  padding: 0 22px;
  border-radius: 8px;
  font-family: var(--bts-font-display);
  font-weight: 600;
  font-size: 14.5px;
  letter-spacing: -0.005em;
  border: 1px solid transparent;
  transition: transform .15s ease, background .15s ease, border-color .15s ease, box-shadow .15s ease;
  white-space: nowrap;
  text-decoration: none;
}
.backtesting-simulator-product .bts-btn:hover { transform: translateY(-1px); }
.backtesting-simulator-product .bts-btn-primary {
  background: var(--bts-accent);
  color: #0a1620;
  box-shadow: 0 1px 0 rgba(255,255,255,0.4) inset, 0 8px 24px -8px var(--bts-accent);
}
.backtesting-simulator-product .bts-btn-primary:hover {
  box-shadow: 0 1px 0 rgba(255,255,255,0.4) inset, 0 12px 32px -8px var(--bts-accent);
}
.backtesting-simulator-product .bts-btn-ghost {
  background: rgba(255,255,255,0.04);
  border-color: var(--bts-line-2);
  color: var(--bts-text);
}
.backtesting-simulator-product .bts-btn-ghost:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.22); }
.backtesting-simulator-product .bts-btn-sm { height: 38px; padding: 0 16px; font-size: 13px; }
.backtesting-simulator-product .bts-btn-lg { height: 56px; padding: 0 28px; font-size: 16px; }

.backtesting-simulator-product .bts-icon { display: inline-block; vertical-align: middle; }

/* Chips */
.backtesting-simulator-product .bts-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px; border-radius: 999px;
  font-family: var(--bts-font-mono); font-size: 11px; font-weight: 500;
  letter-spacing: 0.06em; text-transform: uppercase;
  background: var(--bts-surface); border: 1px solid var(--bts-line-2); color: var(--bts-text-2);
}
.backtesting-simulator-product .bts-chip-accent {
  background: var(--bts-accent-soft); border-color: var(--bts-accent-line); color: var(--bts-accent);
}

/* ── Sub-nav ──────────────────────────────────────────── */
.backtesting-simulator-product .bts-subnav {
  position: sticky; top: 0; z-index: 40;
}
.backtesting-simulator-product .bts-subnav::before {
  background: rgba(11,12,14,0.85);
  backdrop-filter: blur(14px) saturate(150%);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  border-bottom: 1px solid var(--bts-line);
}
.backtesting-simulator-product .bts-subnav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 52px;
  gap: 24px;
}
.backtesting-simulator-product .bts-subnav-brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--bts-font-display); font-weight: 600; font-size: 14px;
  letter-spacing: -0.01em; color: var(--bts-text);
  flex-shrink: 0;
}
.backtesting-simulator-product img.bts-subnav-mark {
  width: 28px; height: 28px;
  border-radius: 6px;
  display: block;
  flex-shrink: 0;
  object-fit: cover;
  background: var(--bts-bg-2);
  border: 1px solid var(--bts-line);
}
.backtesting-simulator-product .bts-subnav-name { white-space: nowrap; }
.backtesting-simulator-product .bts-subnav-links {
  display: flex; gap: 24px; font-size: 13.5px; color: var(--bts-text-2);
  margin-left: auto; margin-right: 16px;
}
.backtesting-simulator-product .bts-subnav-links a {
  position: relative;
  padding: 4px 0;
  color: var(--bts-text-2);
  transition: color .15s ease;
}
.backtesting-simulator-product .bts-subnav-links a:hover,
.backtesting-simulator-product .bts-subnav-links a.is-active { color: var(--bts-text); }
.backtesting-simulator-product .bts-subnav-links a.is-active::after {
  content: '';
  position: absolute; left: 0; right: 0; bottom: -16px;
  height: 2px; background: var(--bts-accent);
}
@media (max-width: 820px) {
  .backtesting-simulator-product .bts-subnav-links { display: none; }
  .backtesting-simulator-product .bts-subnav-inner { gap: 12px; }
}

/* ── HERO ────────────────────────────────────────────────── */
.backtesting-simulator-product .bts-hero { padding: 56px 0 96px; }
.backtesting-simulator-product .bts-hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: start;
}
@media (max-width: 960px) {
  .backtesting-simulator-product .bts-hero-grid { grid-template-columns: 1fr; gap: 36px; }
}
.backtesting-simulator-product .bts-hero-headline {
  margin-top: 18px;
  font-size: clamp(38px, 5vw, 64px);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.06;
}
.backtesting-simulator-product .bts-hero-sub {
  margin-top: 24px;
  display: flex; flex-direction: column;
  gap: 14px;
  max-width: 58ch;
}
.backtesting-simulator-product .bts-hero-sub p {
  font-size: 17px; line-height: 1.55; color: var(--bts-text-2);
}
.backtesting-simulator-product .bts-hero-sub p b { color: var(--bts-text); font-weight: 600; }

.backtesting-simulator-product .bts-hero-meta {
  display: flex; flex-wrap: wrap; gap: 20px 28px; margin-top: 28px;
  font-family: var(--bts-font-mono); font-size: 12px; color: var(--bts-text-3);
  text-transform: uppercase; letter-spacing: 0.08em;
}
.backtesting-simulator-product .bts-hero-meta b { color: var(--bts-text); font-weight: 500; }

.backtesting-simulator-product .bts-hero-cta-row {
  display: flex; flex-wrap: wrap; gap: 12px; align-items: center;
  margin-top: 36px;
}
.backtesting-simulator-product .bts-hero-microline {
  font-size: 11px; margin-top: 14px;
  letter-spacing: 0.06em; text-transform: uppercase;
}

/* ── Early Access price block (no fake discount) ─────────── */
.backtesting-simulator-product .bts-price-block {
  font-family: var(--bts-font-display);
}
/* Hero right column: card + buy box as one purchase unit (balances the
   grid: the indicator card is shorter than the EA 9-row card). */
.backtesting-simulator-product .bts-hero-buy {
  margin-top: 24px;
  padding: 22px 24px 24px;
  background: var(--bts-surface);
  border: 1px solid var(--bts-line-2);
  border-radius: 16px;
}
.backtesting-simulator-product .bts-hero-buy .bts-price-block-early { margin-top: 0; }
.backtesting-simulator-product .bts-hero-buy .bts-hero-cta-row { margin-top: 20px; }
.backtesting-simulator-product .bts-hero-buy .bts-hero-microline { margin-bottom: 0; }
.backtesting-simulator-product .bts-price-block-early {
  display: flex; flex-direction: column; align-items: flex-start;
  gap: 8px;
  margin-top: 28px;
  padding: 18px 22px;
  background: var(--bts-accent-soft);
  border: 1px solid var(--bts-accent-line);
  border-radius: 12px;
  width: fit-content;
  max-width: 100%;
}
.backtesting-simulator-product .bts-price-eyebrow {
  font-family: var(--bts-font-mono);
  font-size: 11px; font-weight: 500;
  color: var(--bts-accent);
  letter-spacing: 0.12em; text-transform: uppercase;
}
.backtesting-simulator-product .bts-price-block-early .bts-price-row {
  display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap;
}
.backtesting-simulator-product .bts-price-now {
  font-size: 44px; font-weight: 600; letter-spacing: -0.03em; color: var(--bts-text);
}
.backtesting-simulator-product .bts-price-context {
  font-family: var(--bts-font-mono);
  font-size: 12px; color: var(--bts-text-3); letter-spacing: 0.04em;
}
.backtesting-simulator-product .bts-price-context b {
  color: var(--bts-text-2); font-weight: 500;
  font-family: var(--bts-font-display);
}
.backtesting-simulator-product .bts-price-vat {
  margin: 0;
  font-family: var(--bts-font-mono);
  font-size: 11.5px; color: var(--bts-text-3);
  line-height: 1.5; letter-spacing: 0.02em;
}
.backtesting-simulator-product .bts-price-block-pricing.bts-price-block-early {
  width: 100%;
  margin-top: 4px;
}
.backtesting-simulator-product .bts-price-context-large {
  margin: 0;
  font-family: var(--bts-font-display);
  font-size: 15px; color: var(--bts-text-2); letter-spacing: -0.005em;
}
.backtesting-simulator-product .bts-price-context-large b { color: var(--bts-text); font-weight: 600; }

/* ── Hero portfolio card ────────────────────────────────── */
.backtesting-simulator-product .bts-portfolio-card {
  background: var(--bts-surface);
  border: 1px solid var(--bts-line-2);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 30px 80px -30px rgba(0,0,0,0.6);
  position: relative;
}
.backtesting-simulator-product .bts-portfolio-card::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(60% 50% at 80% 0%, var(--bts-accent-soft), transparent 70%);
  pointer-events: none;
}
.backtesting-simulator-product .bts-portfolio-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; border-bottom: 1px solid var(--bts-line);
  background: var(--bts-bg-2);
  font-family: var(--bts-font-mono); font-size: 12px; color: var(--bts-text-2);
  position: relative;
}
.backtesting-simulator-product .bts-portfolio-title { display: flex; align-items: center; gap: 10px; }
.backtesting-simulator-product .bts-live-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--bts-green); box-shadow: 0 0 0 3px rgba(74,222,128,0.18);
}
.backtesting-simulator-product .bts-portfolio-badge {
  font-family: var(--bts-font-mono); font-size: 10px;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 3px 8px; border-radius: 4px;
  background: var(--bts-accent-soft); color: var(--bts-accent);
  border: 1px solid var(--bts-accent-line);
}
.backtesting-simulator-product .bts-module-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  border-bottom: 1px solid var(--bts-line);
  position: relative;
}
.backtesting-simulator-product .bts-module-row {
  display: grid; grid-template-columns: 1fr auto auto;
  align-items: center;
  padding: 14px 18px;
  border-right: 1px solid var(--bts-line);
  border-bottom: 1px solid var(--bts-line);
  font-family: var(--bts-font-mono); font-size: 12.5px;
  gap: 12px;
}
.backtesting-simulator-product .bts-module-row:nth-child(2n) { border-right: 0; }
.backtesting-simulator-product .bts-module-row:nth-last-child(-n+2) { border-bottom: 0; }
.backtesting-simulator-product .bts-m-name {
  font-family: var(--bts-font-display); font-size: 14px; font-weight: 600;
  letter-spacing: -0.005em; color: var(--bts-text);
}
.backtesting-simulator-product .bts-m-sub {
  display: block; font-family: var(--bts-font-mono); font-size: 10.5px;
  color: var(--bts-text-3); letter-spacing: 0.06em; text-transform: uppercase;
  font-weight: 400; margin-top: 2px;
}
.backtesting-simulator-product .bts-m-tf {
  font-family: var(--bts-font-mono); font-size: 10.5px;
  color: var(--bts-text-3); letter-spacing: 0.08em; text-transform: uppercase;
}
.backtesting-simulator-product .bts-m-status {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--bts-green);
  box-shadow: 0 0 0 3px rgba(74,222,128,0.18);
}
.backtesting-simulator-product .bts-m-status.idle {
  background: var(--bts-text-3);
  box-shadow: 0 0 0 3px rgba(128,124,112,0.15);
}
.backtesting-simulator-product .bts-portfolio-stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  position: relative;
}
.backtesting-simulator-product .bts-portfolio-stat {
  padding: 16px 18px;
  border-right: 1px solid var(--bts-line);
}
.backtesting-simulator-product .bts-portfolio-stat:last-child { border-right: 0; }
.backtesting-simulator-product .bts-portfolio-lbl {
  font-family: var(--bts-font-mono); font-size: 10px;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--bts-text-3);
}
.backtesting-simulator-product .bts-portfolio-val {
  font-family: var(--bts-font-display); font-size: 22px; font-weight: 600;
  letter-spacing: -0.02em; margin-top: 6px; color: var(--bts-text);
}
.backtesting-simulator-product .bts-portfolio-foot {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 18px 16px;
  font-family: var(--bts-font-mono); font-size: 11px; color: var(--bts-text-3);
  border-top: 1px solid var(--bts-line);
  position: relative;
}
.backtesting-simulator-product .bts-portfolio-foot a { color: var(--bts-accent); }
.backtesting-simulator-product .bts-portfolio-foot a:hover { text-decoration: underline; }

/* ── Section headers ──────────────────────────────────── */
.backtesting-simulator-product .bts-section-head { max-width: 720px; margin-bottom: 56px; }
.backtesting-simulator-product .bts-section-head h2 { margin-top: 14px; }
.backtesting-simulator-product .bts-section-head .bts-lead { margin-top: 18px; }
.backtesting-simulator-product .bts-section-head-center { text-align: center; margin-left: auto; margin-right: auto; }
.backtesting-simulator-product .bts-section-head-center .bts-lead { margin-left: auto; margin-right: auto; }

/* ── Problem block ───────────────────────────────────── */
.backtesting-simulator-product .bts-problem-block {
  display: grid; grid-template-columns: 1.2fr 1fr;
  gap: 56px; align-items: start;
}
@media (max-width: 920px) { .backtesting-simulator-product .bts-problem-block { grid-template-columns: 1fr; gap: 32px; } }
.backtesting-simulator-product .bts-problem-quote {
  font-family: var(--bts-font-serif);
  font-size: clamp(26px, 3vw, 40px);
  font-style: italic; font-weight: 400;
  letter-spacing: -0.015em; line-height: 1.25;
  color: var(--bts-text);
}
.backtesting-simulator-product .bts-problem-quote em {
  font-family: var(--bts-font-display);
  font-style: normal; font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--bts-accent);
}
.backtesting-simulator-product .bts-problem-body {
  margin-top: 18px;
  font-size: 16px; line-height: 1.55;
}
.backtesting-simulator-product .bts-problem-questions {
  border: 1px solid var(--bts-line-2);
  border-radius: 12px;
  background: var(--bts-surface);
  overflow: hidden;
}
.backtesting-simulator-product .bts-problem-q {
  padding: 16px 20px;
  font-family: var(--bts-font-mono); font-size: 13.5px;
  color: var(--bts-text-2);
  border-bottom: 1px solid var(--bts-line);
  display: flex; align-items: center; gap: 12px;
}
.backtesting-simulator-product .bts-problem-q:last-of-type { border-bottom: 0; }
.backtesting-simulator-product .bts-problem-q::before {
  content: '?';
  width: 22px; height: 22px;
  border-radius: 4px;
  background: var(--bts-accent-soft); color: var(--bts-accent);
  border: 1px solid var(--bts-accent-line);
  display: grid; place-items: center;
  font-family: var(--bts-font-mono); font-weight: 600; font-size: 12px;
  flex-shrink: 0;
}
.backtesting-simulator-product .bts-problem-foot {
  padding: 16px 20px;
  background: var(--bts-bg-2);
  border-top: 1px solid var(--bts-line);
  font-size: 14px; color: var(--bts-text-3);
}
.backtesting-simulator-product .bts-problem-foot b { color: var(--bts-text); font-weight: 500; }

/* ── Versus grid ───────────────────────────────────── */
.backtesting-simulator-product .bts-vs-grid {
  display: grid; grid-template-columns: 1fr auto 1fr;
  gap: 0;
  border: 1px solid var(--bts-line-2);
  border-radius: 14px;
  overflow: hidden;
  background: var(--bts-surface);
  align-items: stretch;
}
@media (max-width: 880px) {
  .backtesting-simulator-product .bts-vs-grid { grid-template-columns: 1fr; }
  .backtesting-simulator-product .bts-vs-divider { display: none; }
}
.backtesting-simulator-product .bts-vs-col { padding: 32px; }
.backtesting-simulator-product .bts-vs-col.bad { background: var(--bts-bg-2); }
.backtesting-simulator-product .bts-vs-col.good {
  background: linear-gradient(180deg, var(--bts-accent-soft) 0%, transparent 60%), var(--bts-surface);
}
.backtesting-simulator-product .bts-vs-divider {
  width: 1px; background: var(--bts-line-2);
  position: relative;
}
.backtesting-simulator-product .bts-vs-divider::before {
  content: 'VS';
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: var(--bts-bg);
  border: 1px solid var(--bts-line-2);
  border-radius: 999px;
  padding: 6px 12px;
  font-family: var(--bts-font-mono); font-size: 11px;
  letter-spacing: 0.15em; color: var(--bts-text-3);
}
.backtesting-simulator-product .bts-vs-tag {
  font-family: var(--bts-font-mono); font-size: 10.5px; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  padding: 5px 10px; border-radius: 4px;
  display: inline-block; margin-bottom: 14px;
}
.backtesting-simulator-product .bts-vs-tag.bad  { background: var(--bts-red-soft); color: var(--bts-red); border: 1px solid rgba(248,113,113,0.3); }
.backtesting-simulator-product .bts-vs-tag.good { background: var(--bts-accent-soft); color: var(--bts-accent); border: 1px solid var(--bts-accent-line); }
.backtesting-simulator-product .bts-vs-col h3 { font-size: 20px; margin-bottom: 18px; }
.backtesting-simulator-product .bts-vs-list { padding: 0; list-style: none; display: flex; flex-direction: column; gap: 12px; }
.backtesting-simulator-product .bts-vs-list li {
  font-size: 14.5px; line-height: 1.5; color: var(--bts-text-2);
  padding-left: 22px; position: relative;
}
.backtesting-simulator-product .bts-vs-list li::before {
  content: '';
  position: absolute; left: 0; top: 8px;
  width: 8px; height: 8px;
}
.backtesting-simulator-product .bts-vs-col.bad .bts-vs-list li::before {
  background: var(--bts-red); transform: rotate(45deg); top: 7px;
}
.backtesting-simulator-product .bts-vs-col.good .bts-vs-list li::before {
  background: var(--bts-accent); border-radius: 1px;
}
.backtesting-simulator-product .bts-vs-foot {
  margin-top: 40px;
  padding: 20px 24px;
  background: var(--bts-bg-2);
  border: 1px solid var(--bts-accent-line);
  border-radius: 10px;
  font-family: var(--bts-font-serif);
  font-style: italic;
  font-size: 19px; line-height: 1.4;
  color: var(--bts-text);
}
.backtesting-simulator-product .bts-vs-foot b {
  font-family: var(--bts-font-display);
  font-style: normal; font-weight: 600;
  color: var(--bts-accent);
}

/* ── Modules grid ───────────────────────────────────── */
.backtesting-simulator-product .bts-modules-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--bts-line);
  border: 1px solid var(--bts-line);
  border-radius: 14px; overflow: hidden;
}
@media (max-width: 920px) { .backtesting-simulator-product .bts-modules-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .backtesting-simulator-product .bts-modules-grid { grid-template-columns: 1fr; } }
.backtesting-simulator-product .bts-module-cell {
  background: var(--bts-bg);
  padding: 26px;
  display: flex; flex-direction: column; gap: 14px;
  position: relative;
}
.backtesting-simulator-product .bts-module-cell.featured {
  background: linear-gradient(180deg, var(--bts-accent-soft) 0%, transparent 50%), var(--bts-bg);
}
.backtesting-simulator-product .bts-module-cell .bts-module-tag {
  position: absolute; top: 18px; right: 18px;
  font-family: var(--bts-font-mono); font-size: 10px;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 3px 7px; border-radius: 4px;
  background: var(--bts-accent-soft); color: var(--bts-accent);
  border: 1px solid var(--bts-accent-line);
}
.backtesting-simulator-product .bts-module-cell .bts-module-icon {
  width: 56px; height: 40px;
  border-radius: 8px;
  background: var(--bts-surface);
  border: 1px solid var(--bts-line-2);
  display: grid; place-items: center;
  font-family: var(--bts-font-mono); font-size: 11px; font-weight: 600;
  color: var(--bts-accent);
  letter-spacing: 0.04em;
  padding: 0 6px;
}
.backtesting-simulator-product .bts-module-cell h3 { font-size: 17px; }
.backtesting-simulator-product .bts-module-cell p {
  font-size: 13.5px; color: var(--bts-text-2); flex: 1;
}
.backtesting-simulator-product .bts-module-cell .bts-module-meta {
  display: flex; gap: 14px; flex-wrap: wrap;
  font-family: var(--bts-font-mono); font-size: 10.5px;
  color: var(--bts-text-3); letter-spacing: 0.06em; text-transform: uppercase;
  padding-top: 10px;
  border-top: 1px solid var(--bts-line);
}
.backtesting-simulator-product .bts-module-cell .bts-module-meta b { color: var(--bts-text-2); font-weight: 500; }

/* ── Why Portfolio Beats Single — VS visual + backtest ── */
.backtesting-simulator-product .bts-why-vs {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0;
  align-items: stretch;
}
@media (max-width: 880px) {
  .backtesting-simulator-product .bts-why-vs { grid-template-columns: 1fr; gap: 18px; }
  .backtesting-simulator-product .bts-why-vs-divider { display: none; }
}
.backtesting-simulator-product .bts-why-vs-card {
  background: var(--bts-surface);
  border: 1px solid var(--bts-line-2);
  border-radius: 14px;
  padding: 24px;
  display: flex; flex-direction: column; gap: 16px;
  position: relative;
}
.backtesting-simulator-product .bts-why-vs-card.bad {
  background: linear-gradient(180deg, rgba(248,113,113,0.06), var(--bts-surface) 60%);
  border-color: rgba(248,113,113,0.25);
}
.backtesting-simulator-product .bts-why-vs-card.good {
  background: linear-gradient(180deg, var(--bts-accent-soft), var(--bts-surface) 60%);
  border-color: var(--bts-accent-line);
}
.backtesting-simulator-product .bts-why-vs-head {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 10px;
}
.backtesting-simulator-product .bts-why-vs-meta {
  font-family: var(--bts-font-mono); font-size: 11px;
  color: var(--bts-text-3); letter-spacing: 0.05em;
}
.backtesting-simulator-product .bts-curve-single,
.backtesting-simulator-product .bts-curve-portfolio {
  display: block; width: 100%; height: 180px;
}
.backtesting-simulator-product .bts-why-vs-foot {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--bts-line);
  padding-top: 16px;
}
.backtesting-simulator-product .bts-why-vs-foot > div {
  display: flex; flex-direction: column; gap: 4px;
  border-right: 1px solid var(--bts-line);
  padding: 0 14px;
}
.backtesting-simulator-product .bts-why-vs-foot > div:first-child { padding-left: 0; }
.backtesting-simulator-product .bts-why-vs-foot > div:last-child { border-right: 0; padding-right: 0; }
.backtesting-simulator-product .bts-why-vs-foot .bts-lbl {
  font-family: var(--bts-font-mono); font-size: 10px;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--bts-text-3);
}
.backtesting-simulator-product .bts-why-vs-foot b {
  font-family: var(--bts-font-display); font-size: 17px; font-weight: 600;
  letter-spacing: -0.015em; color: var(--bts-text);
  font-variant-numeric: tabular-nums;
}
.backtesting-simulator-product .bts-why-vs-foot b.up    { color: var(--bts-green); }
.backtesting-simulator-product .bts-why-vs-foot b.down  { color: var(--bts-red); }
.backtesting-simulator-product .bts-why-vs-foot b.bts-accent { color: var(--bts-accent); }

.backtesting-simulator-product .bts-why-vs-divider {
  width: 56px;
  display: grid; place-items: center;
  position: relative;
}
.backtesting-simulator-product .bts-why-vs-divider::before {
  content: '';
  position: absolute; top: 16%; bottom: 16%;
  width: 1px; left: 50%;
  background: var(--bts-line-2);
}
.backtesting-simulator-product .bts-why-vs-divider span {
  position: relative;
  font-family: var(--bts-font-mono); font-size: 12px;
  letter-spacing: 0.18em; color: var(--bts-text-3);
  background: var(--bts-bg);
  border: 1px solid var(--bts-line-2);
  border-radius: 999px;
  padding: 8px 12px;
}
.backtesting-simulator-product .bts-why-caption {
  margin-top: 18px;
  font-family: var(--bts-font-mono); font-size: 11px;
  letter-spacing: 0.05em; color: var(--bts-text-3);
  text-align: center;
}

/* ── Backtest card ── */
.backtesting-simulator-product .bts-backtest-card {
  margin-top: 56px;
  background: var(--bts-surface);
  border: 1px solid var(--bts-line-2);
  border-radius: 16px;
  overflow: hidden;
}
.backtesting-simulator-product .bts-backtest-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
  padding: 24px 28px;
  border-bottom: 1px solid var(--bts-line);
  background: linear-gradient(180deg, var(--bts-surface), var(--bts-bg-2));
}
.backtesting-simulator-product .bts-backtest-title { margin-top: 8px; font-size: 22px; }
.backtesting-simulator-product .bts-backtest-kpis {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--bts-line);
}
@media (max-width: 720px) { .backtesting-simulator-product .bts-backtest-kpis { grid-template-columns: repeat(2, 1fr); } }
.backtesting-simulator-product .bts-bt-kpi {
  padding: 22px 24px;
  border-right: 1px solid var(--bts-line);
  display: flex; flex-direction: column; gap: 4px;
}
.backtesting-simulator-product .bts-bt-kpi:last-child { border-right: 0; }
@media (max-width: 720px) {
  .backtesting-simulator-product .bts-bt-kpi:nth-child(2n) { border-right: 0; }
  .backtesting-simulator-product .bts-bt-kpi:nth-child(-n+2) { border-bottom: 1px solid var(--bts-line); }
}
.backtesting-simulator-product .bts-bt-kpi .bts-lbl {
  font-family: var(--bts-font-mono); font-size: 10.5px;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--bts-text-3);
}
.backtesting-simulator-product .bts-bt-val {
  font-family: var(--bts-font-display); font-size: 28px; font-weight: 600;
  letter-spacing: -0.025em; font-variant-numeric: tabular-nums;
  margin-top: 4px;
  color: var(--bts-text);
}
.backtesting-simulator-product .bts-bt-val.up   { color: var(--bts-green); }
.backtesting-simulator-product .bts-bt-val.down { color: var(--bts-red); }
.backtesting-simulator-product .bts-bt-sub {
  font-family: var(--bts-font-mono); font-size: 10.5px;
  color: var(--bts-text-3); letter-spacing: 0.04em;
  margin-top: 2px;
}
.backtesting-simulator-product .bts-backtest-chart { padding: 20px 16px 0; }
.backtesting-simulator-product .bts-curve-backtest { display: block; width: 100%; height: 280px; }
.backtesting-simulator-product .bts-backtest-legend {
  display: flex; flex-wrap: wrap;
  gap: 18px 22px;
  padding: 14px 28px 18px;
  border-bottom: 1px solid var(--bts-line);
}
.backtesting-simulator-product .bts-lg-row {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--bts-font-mono); font-size: 11.5px;
  color: var(--bts-text-2); letter-spacing: 0.02em;
}
.backtesting-simulator-product .bts-lg-row b {
  font-family: var(--bts-font-display); font-size: 12.5px; font-weight: 600;
  letter-spacing: -0.005em; color: var(--bts-text);
}
.backtesting-simulator-product .bts-lg-meta {
  color: var(--bts-text-3); font-size: 11px;
}
.backtesting-simulator-product .bts-lg-dot {
  width: 14px; height: 2.5px; border-radius: 2px;
}
.backtesting-simulator-product .bts-lg-combined { background: var(--bts-accent); }
.backtesting-simulator-product .bts-lg-faint    { background: rgba(255,255,255,0.22); }
.backtesting-simulator-product .bts-backtest-foot {
  padding: 16px 28px;
  display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap;
  font-family: var(--bts-font-mono); font-size: 11.5px;
  color: var(--bts-text-2); letter-spacing: 0.02em;
}

/* ── Risk Guardrails ────────────────────────────────── */
.backtesting-simulator-product .bts-guardrails {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}
@media (max-width: 880px) { .backtesting-simulator-product .bts-guardrails { grid-template-columns: 1fr; } }
.backtesting-simulator-product .bts-guardrails-list {
  display: flex; flex-direction: column;
  border: 1px solid var(--bts-line-2);
  border-radius: 14px;
  background: var(--bts-surface);
  overflow: hidden;
}
.backtesting-simulator-product .bts-guardrail-row {
  display: grid; grid-template-columns: 32px 1fr auto;
  align-items: center; gap: 14px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--bts-line);
}
.backtesting-simulator-product .bts-guardrail-row:last-child { border-bottom: 0; }
.backtesting-simulator-product .bts-gr-icon {
  width: 28px; height: 28px;
  border-radius: 6px;
  background: var(--bts-accent-soft); color: var(--bts-accent);
  border: 1px solid var(--bts-accent-line);
  display: grid; place-items: center;
}
.backtesting-simulator-product .bts-gr-label {
  font-family: var(--bts-font-display); font-size: 14.5px; font-weight: 600;
  letter-spacing: -0.005em;
}
.backtesting-simulator-product .bts-gr-sub {
  display: block;
  font-family: var(--bts-font-text); font-size: 13px; color: var(--bts-text-3);
  font-weight: 400; letter-spacing: 0; margin-top: 2px;
}
.backtesting-simulator-product .bts-gr-flag {
  font-family: var(--bts-font-mono); font-size: 10px;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 3px 7px; border-radius: 4px;
  background: var(--bts-surface-2); color: var(--bts-text-3);
  border: 1px solid var(--bts-line);
}
.backtesting-simulator-product .bts-gr-flag.on {
  background: var(--bts-green-soft); color: var(--bts-green);
  border-color: rgba(74,222,128,0.3);
}
.backtesting-simulator-product .bts-guardrails-body {
  font-size: 16px; line-height: 1.55;
  margin-bottom: 14px;
}
.backtesting-simulator-product .bts-no-list {
  margin-top: 18px;
  padding: 18px 20px;
  background: var(--bts-bg-2);
  border: 1px solid var(--bts-line-2);
  border-radius: 12px;
}
.backtesting-simulator-product .bts-no-list h4 {
  font-family: var(--bts-font-mono); font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--bts-text-3);
  margin-bottom: 12px;
}
.backtesting-simulator-product .bts-no-list-row {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 0;
  font-size: 14px; color: var(--bts-text-2);
}
.backtesting-simulator-product .bts-no-x {
  width: 18px; height: 18px;
  border-radius: 4px;
  background: var(--bts-red-soft); color: var(--bts-red);
  border: 1px solid rgba(248,113,113,0.3);
  display: grid; place-items: center;
  font-family: var(--bts-font-mono); font-size: 11px; font-weight: 600;
  flex-shrink: 0;
}

/* ── Testing Philosophy ──────────────────────────────── */
.backtesting-simulator-product .bts-testing-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 18px;
}
@media (max-width: 720px) { .backtesting-simulator-product .bts-testing-grid { grid-template-columns: 1fr; } }
.backtesting-simulator-product .bts-testing-card {
  background: var(--bts-surface);
  border: 1px solid var(--bts-line-2);
  border-radius: 12px;
  padding: 22px;
}
.backtesting-simulator-product .bts-testing-card h4 {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--bts-font-mono); font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--bts-text-3);
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--bts-line);
}
.backtesting-simulator-product .bts-testing-tag {
  font-family: var(--bts-font-mono); font-size: 10px;
  padding: 2px 6px; border-radius: 3px;
}
.backtesting-simulator-product .bts-testing-card.pass .bts-testing-tag {
  background: var(--bts-accent-soft); color: var(--bts-accent);
  border: 1px solid var(--bts-accent-line);
}
.backtesting-simulator-product .bts-testing-card.fail .bts-testing-tag {
  background: var(--bts-red-soft); color: var(--bts-red);
  border: 1px solid rgba(248,113,113,0.3);
}
.backtesting-simulator-product .bts-testing-list { padding: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; }
.backtesting-simulator-product .bts-testing-list li {
  display: grid; grid-template-columns: 20px 1fr;
  gap: 10px; align-items: start;
  font-size: 14px; line-height: 1.5;
  color: var(--bts-text-2);
}
.backtesting-simulator-product .bts-testing-list li svg { margin-top: 3px; flex-shrink: 0; }
.backtesting-simulator-product .bts-testing-card.pass svg { color: var(--bts-accent); }
.backtesting-simulator-product .bts-testing-card.fail svg { color: var(--bts-red); }

/* ── Forward test ─────────────────────────────────── */
.backtesting-simulator-product .bts-forward-card {
  background: var(--bts-surface);
  border: 1px solid var(--bts-line-2);
  border-radius: 14px;
  padding: 28px;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 36px; align-items: center;
}
@media (max-width: 880px) { .backtesting-simulator-product .bts-forward-card { grid-template-columns: 1fr; } }
.backtesting-simulator-product .bts-forward-chart-wrap {
  border-radius: 10px; overflow: hidden;
  border: 1px solid var(--bts-line);
}
.backtesting-simulator-product .bts-equity-curve { display: block; width: 100%; height: 220px; }
.backtesting-simulator-product .bts-chart-foot {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 0 0;
  font-family: var(--bts-font-mono); font-size: 11px; color: var(--bts-text-3);
}
.backtesting-simulator-product .bts-chart-foot a { color: var(--bts-accent); }
.backtesting-simulator-product .bts-chart-foot a:hover { text-decoration: underline; }
.backtesting-simulator-product .bts-forward-title { font-size: 22px; margin-bottom: 14px; }
.backtesting-simulator-product .bts-forward-body { font-size: 16px; line-height: 1.55; margin-bottom: 18px; }
.backtesting-simulator-product .bts-forward-list {
  list-style: none; padding: 0;
  display: flex; flex-direction: column; gap: 14px;
}
.backtesting-simulator-product .bts-forward-list li {
  font-family: var(--bts-font-mono); font-size: 13px;
  color: var(--bts-text-2);
  padding-left: 22px;
  position: relative;
  line-height: 1.5;
}
.backtesting-simulator-product .bts-forward-list li::before {
  content: '—';
  position: absolute; left: 0; top: 0;
  color: var(--bts-accent);
}
.backtesting-simulator-product .bts-forward-list li b {
  color: var(--bts-text); font-weight: 500;
  font-family: var(--bts-font-display);
}
.backtesting-simulator-product .bts-forward-btn { margin-top: 24px; }

/* ── Free starter module ──────────────────────────── */
.backtesting-simulator-product .bts-starter {
  display: grid; grid-template-columns: 1.1fr 1fr;
  gap: 0;
  border: 1px solid var(--bts-accent-line);
  border-radius: 16px;
  overflow: hidden;
  background: linear-gradient(170deg, var(--bts-surface), var(--bts-bg-2));
}
@media (max-width: 880px) { .backtesting-simulator-product .bts-starter { grid-template-columns: 1fr; } }
.backtesting-simulator-product .bts-starter-l { padding: 40px; }
.backtesting-simulator-product .bts-starter-r {
  padding: 40px;
  background: var(--bts-bg-2);
  border-left: 1px solid var(--bts-line);
  display: flex; flex-direction: column; justify-content: center;
}
@media (max-width: 880px) {
  .backtesting-simulator-product .bts-starter-r { border-left: 0; border-top: 1px solid var(--bts-line); }
}
.backtesting-simulator-product .bts-starter-l h3 {
  font-size: 28px; letter-spacing: -0.025em; margin: 14px 0 16px;
}
.backtesting-simulator-product .bts-starter-l h3 .bts-serif {
  font-family: var(--bts-font-serif); font-style: italic; font-weight: 400; color: var(--bts-accent);
}
.backtesting-simulator-product .bts-starter-body { font-size: 16px; margin-bottom: 8px; }
.backtesting-simulator-product .bts-starter-meta {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1px; background: var(--bts-line);
  border: 1px solid var(--bts-line);
  border-radius: 10px; overflow: hidden;
  margin-top: 18px;
}
.backtesting-simulator-product .bts-starter-meta div {
  background: var(--bts-surface); padding: 14px 16px;
}
.backtesting-simulator-product .bts-starter-lbl {
  font-family: var(--bts-font-mono); font-size: 10px;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--bts-text-3);
}
.backtesting-simulator-product .bts-starter-val {
  font-family: var(--bts-font-display); font-size: 16px; font-weight: 600;
  margin-top: 4px;
}
.backtesting-simulator-product .bts-starter-cta { width: 100%; }
.backtesting-simulator-product .bts-starter-cta + .bts-starter-cta { margin-top: 12px; }
.backtesting-simulator-product .bts-starter-microline {
  font-size: 11px; margin-top: 14px;
  letter-spacing: 0.06em; text-transform: uppercase;
  text-align: center;
}

/* ── What it does NOT do ───────────────────────────── */
.backtesting-simulator-product .bts-notdo-list {
  padding: 28px 32px;
  list-style: none;
  display: flex; flex-direction: column; gap: 14px;
  background: var(--bts-surface);
  border: 1px solid var(--bts-line-2);
  border-radius: 14px;
}
.backtesting-simulator-product .bts-notdo-list li {
  display: grid; grid-template-columns: 28px 1fr;
  gap: 12px;
  align-items: start;
  font-size: 16px; line-height: 1.5;
  color: var(--bts-text-2);
}
.backtesting-simulator-product .bts-notdo-list li b { color: var(--bts-text); font-weight: 600; }
.backtesting-simulator-product .bts-notdo-x {
  width: 24px; height: 24px;
  border-radius: 6px;
  background: var(--bts-red-soft);
  border: 1px solid rgba(248,113,113,0.3);
  color: var(--bts-red);
  display: grid; place-items: center;
  font-family: var(--bts-font-mono);
  font-size: 13px; font-weight: 700;
  margin-top: 1px;
}
.backtesting-simulator-product .bts-notdo-close {
  margin-top: 26px;
  font-family: var(--bts-font-serif);
  font-size: clamp(18px, 2vw, 22px);
  font-style: italic; font-weight: 400;
  line-height: 1.4; color: var(--bts-text);
  letter-spacing: -0.005em;
}

/* ── Founder card ───────────────────────────────────── */
.backtesting-simulator-product .bts-founder-eyebrow {
  display: block;
  margin-bottom: 22px;
}
.backtesting-simulator-product .bts-founder-card {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 28px;
  align-items: start;
  background: var(--bts-surface);
  border: 1px solid var(--bts-line-2);
  border-radius: 16px;
  padding: 32px;
  position: relative;
  overflow: hidden;
}
.backtesting-simulator-product .bts-founder-card::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(60% 60% at 0% 0%, var(--bts-accent-soft), transparent 60%);
  pointer-events: none;
}
@media (max-width: 600px) {
  .backtesting-simulator-product .bts-founder-card {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 26px;
  }
}
.backtesting-simulator-product img.bts-founder-avatar {
  width: 88px; height: 88px;
  border-radius: 22px;
  display: block;
  object-fit: cover;
  flex-shrink: 0;
  background: #0a0a0a;
  border: 1px solid var(--bts-accent-line);
  box-shadow: 0 12px 30px -12px rgba(45, 212, 191, 0.45);
  position: relative;
}
.backtesting-simulator-product .bts-founder-body {
  position: relative;
  display: flex; flex-direction: column; gap: 14px;
}
.backtesting-simulator-product .bts-founder-body h3 {
  font-family: var(--bts-font-display);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--bts-text);
}
.backtesting-simulator-product .bts-founder-body p {
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--bts-text-2);
}

/* ── Pricing ───────────────────────────────────────── */
.backtesting-simulator-product .bts-pricing-h2 { margin: 14px auto 0; }
.backtesting-simulator-product .bts-pricing-lead { margin: 18px auto 0; }
.backtesting-simulator-product .bts-pricing {
  background: var(--bts-surface);
  border: 1px solid var(--bts-line-2);
  border-radius: 18px;
  overflow: hidden;
  display: grid; grid-template-columns: 1.15fr 1fr;
}
@media (max-width: 920px) { .backtesting-simulator-product .bts-pricing { grid-template-columns: 1fr; } }
.backtesting-simulator-product .bts-pricing-l {
  padding: 40px;
  background: linear-gradient(170deg, var(--bts-surface), var(--bts-bg-2));
  border-right: 1px solid var(--bts-line);
}
@media (max-width: 920px) { .backtesting-simulator-product .bts-pricing-l { border-right: 0; border-bottom: 1px solid var(--bts-line); } }
.backtesting-simulator-product .bts-pricing-r { padding: 40px; }
.backtesting-simulator-product .bts-pricing-includes-title {
  font-size: 17px; font-family: var(--bts-font-mono);
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--bts-text-3); font-weight: 500;
}
.backtesting-simulator-product .bts-pricing-includes {
  padding: 0; list-style: none; display: flex; flex-direction: column;
  gap: 12px; margin-top: 22px;
}
.backtesting-simulator-product .bts-pricing-includes li {
  display: flex; align-items: flex-start; gap: 12px;
  font-size: 14.5px; color: var(--bts-text-2);
}
.backtesting-simulator-product .bts-pricing-includes li svg { flex-shrink: 0; margin-top: 3px; }
.backtesting-simulator-product .bts-check-accent { color: var(--bts-accent); }

.backtesting-simulator-product .bts-launch-banner {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px;
  background: var(--bts-accent-soft);
  border: 1px solid var(--bts-accent-line);
  border-radius: 8px;
  font-family: var(--bts-font-mono); font-size: 12px;
  color: var(--bts-accent);
  letter-spacing: 0.05em;
  margin-bottom: 22px;
}
.backtesting-simulator-product .bts-platform-toggle {
  display: inline-flex;
  background: var(--bts-bg);
  border: 1px solid var(--bts-line-2);
  border-radius: 8px;
  padding: 4px;
  margin-bottom: 24px;
}
.backtesting-simulator-product .bts-platform-toggle button {
  padding: 8px 18px;
  border: 0; background: transparent;
  font-family: var(--bts-font-display); font-size: 13.5px; font-weight: 500;
  color: var(--bts-text-3); border-radius: 5px;
  transition: all .15s;
}
.backtesting-simulator-product .bts-platform-toggle button.on {
  background: var(--bts-surface-2); color: var(--bts-text);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06) inset;
}
.backtesting-simulator-product .bts-pricing-desc { margin-top: 14px; font-size: 15.5px; }
.backtesting-simulator-product .bts-pricing-cta  { margin-top: 22px; width: 100%; }
.backtesting-simulator-product .bts-guarantee {
  display: flex; align-items: center; gap: 10px;
  margin-top: 20px;
  font-family: var(--bts-font-mono); font-size: 11px;
  color: var(--bts-text-3); letter-spacing: 0.06em; text-transform: uppercase;
}

/* ── FAQ ────────────────────────────────────────── */
.backtesting-simulator-product .bts-faq {
  display: flex; flex-direction: column; gap: 0;
  border-top: 1px solid var(--bts-line);
}
.backtesting-simulator-product .bts-faq details {
  border-bottom: 1px solid var(--bts-line);
  padding: 22px 0;
}
.backtesting-simulator-product .bts-faq summary {
  list-style: none;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  font-family: var(--bts-font-display);
  font-size: 18px; font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--bts-text);
}
.backtesting-simulator-product .bts-faq summary::-webkit-details-marker { display: none; }
.backtesting-simulator-product .bts-faq summary::after {
  content: '+';
  font-family: var(--bts-font-mono);
  font-size: 22px; color: var(--bts-text-3);
  transition: transform .2s ease;
}
.backtesting-simulator-product .bts-faq details[open] summary::after { transform: rotate(45deg); color: var(--bts-accent); }
.backtesting-simulator-product .bts-faq details p { margin-top: 14px; font-size: 15px; max-width: 70ch; }

/* ── Final CTA ─────────────────────────────────── */
.backtesting-simulator-product .bts-final-cta {
  text-align: center;
  padding: 96px 0;
}
.backtesting-simulator-product .bts-final-cta::before {
  background:
    radial-gradient(60% 80% at 50% 100%, var(--bts-accent-soft), transparent 70%),
    var(--bts-bg);
  border-top: 1px solid var(--bts-line);
}
.backtesting-simulator-product .bts-final-cta-h2 { margin: 14px auto 0; }
.backtesting-simulator-product .bts-final-cta-lead { margin: 22px auto 0; }
.backtesting-simulator-product .bts-final-cta-row {
  display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 40px;
}

/* ── Sticky buy bar (full-width, container-centered) ── */
.backtesting-simulator-product .bts-sticky-buy {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 50;
  background: rgba(11, 12, 14, 0.92);
  backdrop-filter: blur(14px) saturate(150%);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  border-top: 1px solid var(--bts-line-2);
  box-shadow: 0 -10px 40px -10px rgba(0,0,0,0.6);
  display: none;
  transform: translateY(110%);
  transition: transform .3s ease;
  font-family: var(--bts-font-text);
}
.backtesting-simulator-product .bts-sticky-buy.show { display: block; transform: translateY(0); }
.backtesting-simulator-product .bts-sticky-buy-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  padding: 14px 0;
  min-height: 64px;
}
.backtesting-simulator-product .bts-sticky-buy-brand {
  display: flex; align-items: baseline; gap: 10px; min-width: 0;
  flex-wrap: wrap;
}
.backtesting-simulator-product .bts-sticky-buy-name {
  font-family: var(--bts-font-display);
  font-size: 14.5px; font-weight: 600;
  color: var(--bts-text);
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.backtesting-simulator-product .bts-sticky-buy-tag {
  font-family: var(--bts-font-mono);
  font-size: 10.5px; font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bts-accent);
  background: var(--bts-accent-soft);
  border: 1px solid var(--bts-accent-line);
  border-radius: 4px;
  padding: 3px 7px;
  white-space: nowrap;
}
.backtesting-simulator-product .bts-sticky-buy-price-block {
  display: flex; align-items: baseline; gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.backtesting-simulator-product .bts-sticky-buy-price {
  font-family: var(--bts-font-display);
  font-size: 22px; font-weight: 600;
  color: var(--bts-text);
  letter-spacing: -0.02em;
}
.backtesting-simulator-product .bts-sticky-buy-context {
  font-family: var(--bts-font-mono);
  font-size: 11px; color: var(--bts-text-3);
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.backtesting-simulator-product .bts-sticky-buy-context b {
  color: var(--bts-text-2);
  font-family: var(--bts-font-display);
  font-weight: 500;
  text-decoration: line-through;
  text-decoration-color: rgba(255,255,255,0.25);
}
.backtesting-simulator-product .bts-sticky-buy-cta { justify-self: end; }
@media (max-width: 760px) {
  .backtesting-simulator-product .bts-sticky-buy-inner {
    grid-template-columns: 1fr auto;
    gap: 12px; padding: 12px 0;
  }
  .backtesting-simulator-product .bts-sticky-buy-price-block { display: none; }
}

/* =====================================================================
   THEME RESET — Astra/WooCommerce force a system font + 16px on every
   button/input/textarea via `body, button, input, select, textarea`
   and `font-weight: 600` on every h1-h6. components.css ALSO forces
   `button { background-color: var(--doit-green) !important; color: var(--doit-dark) !important }`
   on every <button>, so we need !important on bg + color everywhere a
   <button> appears in this page.
   ===================================================================== */

.backtesting-simulator-product .bts-section-head h1,
.backtesting-simulator-product .bts-section-head h2,
.backtesting-simulator-product .bts-final-cta .bts-final-cta-h2,
.backtesting-simulator-product .bts-pricing .bts-pricing-h2 {
  font-family: var(--bts-font-display);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.05;
  color: var(--bts-text);
}
.backtesting-simulator-product .bts-hero .bts-hero-headline {
  font-family: var(--bts-font-display);
  font-weight: 500;
  color: var(--bts-text);
}

.backtesting-simulator-product button,
.backtesting-simulator-product input,
.backtesting-simulator-product select,
.backtesting-simulator-product textarea {
  font-family: var(--bts-font-display);
  font-weight: 500;
  font-size: inherit;
  line-height: inherit;
  color: inherit !important;
  background: transparent !important;
  background-color: transparent !important;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  text-shadow: none;
  text-transform: none;
  letter-spacing: 0;
  padding: 0;
  -webkit-appearance: none;
  appearance: none;
}
.backtesting-simulator-product button:hover,
.backtesting-simulator-product button:focus,
.backtesting-simulator-product button:active {
  background: transparent !important;
  background-color: transparent !important;
  color: inherit !important;
  box-shadow: none;
  text-shadow: none;
  outline: none;
}

.backtesting-simulator-product .bts-btn.bts-btn {
  font-family: var(--bts-font-display);
  font-weight: 600;
  font-size: 14.5px;
  letter-spacing: -0.005em;
  text-transform: none;
  line-height: 1;
  border: 1px solid transparent;
  border-radius: 8px;
  height: 48px;
  padding: 0 22px;
}
.backtesting-simulator-product .bts-btn.bts-btn-primary,
.backtesting-simulator-product .bts-btn.bts-btn-primary:hover,
.backtesting-simulator-product .bts-btn.bts-btn-primary:focus,
.backtesting-simulator-product .bts-btn.bts-btn-primary:active {
  background: var(--bts-accent) !important;
  background-color: var(--bts-accent) !important;
  color: #0a1620 !important;
  border-color: transparent;
  box-shadow: 0 1px 0 rgba(255,255,255,0.4) inset, 0 8px 24px -8px var(--bts-accent);
  text-shadow: none;
}
.backtesting-simulator-product .bts-btn.bts-btn-primary:hover {
  box-shadow: 0 1px 0 rgba(255,255,255,0.4) inset, 0 12px 32px -8px var(--bts-accent);
}
.backtesting-simulator-product .bts-btn.bts-btn-ghost,
.backtesting-simulator-product .bts-btn.bts-btn-ghost:focus,
.backtesting-simulator-product .bts-btn.bts-btn-ghost:active {
  background: rgba(255,255,255,0.04) !important;
  background-color: rgba(255,255,255,0.04) !important;
  border-color: var(--bts-line-2);
  color: var(--bts-text) !important;
}
.backtesting-simulator-product .bts-btn.bts-btn-ghost:hover {
  background: rgba(255,255,255,0.08) !important;
  background-color: rgba(255,255,255,0.08) !important;
  border-color: rgba(255,255,255,0.22);
  color: var(--bts-text) !important;
}
.backtesting-simulator-product .bts-btn.bts-btn-sm { height: 38px; padding: 0 16px; font-size: 13px; }
.backtesting-simulator-product .bts-btn.bts-btn-lg { height: 56px; padding: 0 28px; font-size: 16px; }

.backtesting-simulator-product .bts-platform-toggle > button {
  padding: 8px 18px;
  background: transparent !important;
  background-color: transparent !important;
  font-family: var(--bts-font-display);
  font-size: 13.5px; font-weight: 500;
  color: var(--bts-text-3) !important;
  border: 0; border-radius: 5px;
  letter-spacing: 0; text-transform: none;
  height: auto; line-height: 1.2;
  box-shadow: none;
}
.backtesting-simulator-product .bts-platform-toggle > button:hover,
.backtesting-simulator-product .bts-platform-toggle > button:focus {
  color: var(--bts-text) !important;
  background: transparent !important;
  background-color: transparent !important;
}
.backtesting-simulator-product .bts-platform-toggle > button.on,
.backtesting-simulator-product .bts-platform-toggle > button.on:hover,
.backtesting-simulator-product .bts-platform-toggle > button.on:focus {
  background: var(--bts-surface-2) !important;
  background-color: var(--bts-surface-2) !important;
  color: var(--bts-text) !important;
  box-shadow: 0 1px 0 rgba(255,255,255,0.06) inset;
}

.backtesting-simulator-product .bts-faq summary {
  font-family: var(--bts-font-display);
  font-size: 18px; font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--bts-text);
  text-transform: none;
}

.backtesting-simulator-product .bts-subnav .bts-subnav-links a,
.backtesting-simulator-product .bts-subnav .bts-subnav-links a:hover,
.backtesting-simulator-product .bts-subnav .bts-subnav-links a:focus {
  color: var(--bts-text-2);
  text-decoration: none;
  font-weight: 500;
}
.backtesting-simulator-product .bts-subnav .bts-subnav-links a:hover,
.backtesting-simulator-product .bts-subnav .bts-subnav-links a.is-active {
  color: var(--bts-text);
}

/* ============================================================
   V2 additions: Tier mini-block + Axi Select cross-link
   ============================================================ */

/* --- Tier mini-block --- */
.backtesting-simulator-product .bts-tier-section { padding-top: 0; }
.backtesting-simulator-product .bts-tier-table {
  margin-top: 36px;
  border: 1px solid var(--bts-border);
  border-radius: 18px;
  overflow: hidden;
  background: var(--bts-bg-card);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
}
.backtesting-simulator-product .bts-tier-row {
  display: grid;
  grid-template-columns: 130px 1fr 1fr 1fr;
  align-items: center;
  gap: 12px;
  padding: 16px 22px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--bts-text-2);
  font-size: 15px;
}
.backtesting-simulator-product .bts-tier-row:last-child { border-bottom: 0; }
.backtesting-simulator-product .bts-tier-row:not(.bts-tier-head):hover { background: rgba(255, 255, 255, 0.02); }
.backtesting-simulator-product .bts-tier-head {
  background: rgba(255, 255, 255, 0.03);
  color: var(--bts-text-3);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  padding: 12px 22px;
}
.backtesting-simulator-product .bts-tier-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bts-accent-soft, rgba(255, 212, 0, 0.12));
  color: var(--bts-accent, #ffd400);
  border: 1px solid rgba(255, 212, 0, 0.3);
  border-radius: 999px;
  padding: 4px 12px;
  font-weight: 800;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  width: fit-content;
}
.backtesting-simulator-product .bts-tier-caption {
  margin: 22px auto 0;
  text-align: center;
  color: var(--bts-text-3);
  font-size: 14px;
  max-width: 720px;
  line-height: 1.55;
}
.backtesting-simulator-product .bts-tier-cta-row {
  display: flex;
  justify-content: center;
  margin-top: 20px;
}

/* --- Axi route cross-link card --- */
.backtesting-simulator-product .bts-axi-route-section { padding-top: 0; }
.backtesting-simulator-product .bts-axi-route-card {
  background: linear-gradient(180deg, rgba(255, 212, 0, 0.06), rgba(255, 212, 0, 0.02));
  border: 1px solid rgba(255, 212, 0, 0.28);
  border-radius: 24px;
  padding: 40px 36px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.22);
}
.backtesting-simulator-product .bts-axi-route-card .bts-eyebrow {
  margin-bottom: 18px;
}
.backtesting-simulator-product .bts-axi-route-card h2 {
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}
.backtesting-simulator-product .bts-axi-route-body {
  max-width: 640px;
  margin: 18px auto 0;
  font-size: 17px;
  line-height: 1.65;
  color: var(--bts-text-2);
}
.backtesting-simulator-product .bts-axi-route-cta {
  margin-top: 28px;
}

/* --- Responsive --- */
@media (max-width: 720px) {
  .backtesting-simulator-product .bts-tier-row {
    grid-template-columns: 100px 1fr 1fr;
    grid-template-areas:
      "tier balance balance"
      "tier slots risk";
    row-gap: 6px;
    column-gap: 10px;
    padding: 14px 16px;
    font-size: 13px;
  }
  .backtesting-simulator-product .bts-tier-row > .bts-tier-tag { grid-area: tier; align-self: center; }
  .backtesting-simulator-product .bts-tier-head { display: none; }
  .backtesting-simulator-product .bts-axi-route-card { padding: 28px 22px; }
}

/* ── Direct buy box extras (Gumroad primary + MQL5 secondary) ── */
.backtesting-simulator-product .bts-direct-sub {
  margin: 10px 0 0; font-family: var(--bts-font-mono); font-size: 11.5px;
  color: var(--bts-text-3); letter-spacing: 0.04em;
}
.backtesting-simulator-product .bts-hero-cta-row + .bts-direct-sub { margin-top: 12px; }
.backtesting-simulator-product .bts-direct-mql5 { margin: 16px 0 0; font-size: 13.5px; }
.backtesting-simulator-product .bts-direct-mql5 a {
  color: var(--bts-text-3); text-decoration: underline; text-underline-offset: 3px;
}
.backtesting-simulator-product .bts-direct-mql5 a:hover { color: var(--bts-text-2); }
.backtesting-simulator-product .bts-direct-mql5-center { text-align: center; margin-top: 14px; }

/* ── Free 48h trial section (dlm_trial shortcode) ── */
.backtesting-simulator-product .bts-trial-hero-link { margin: 12px 0 0; font-size: 14px; }
.backtesting-simulator-product .bts-trial-hero-link a {
  color: var(--bts-accent); text-decoration: none; font-weight: 600;
}
.backtesting-simulator-product .bts-trial-hero-link a:hover { text-decoration: underline; text-underline-offset: 3px; }
.backtesting-simulator-product .bts-trial .bts-section-head-center { margin-bottom: 26px; }
.backtesting-simulator-product .bts-trial-form { max-width: 520px; margin: 0 auto; }
.backtesting-simulator-product .bts-trial-note {
  text-align: center; max-width: 560px; margin: 12px auto 0;
  font-size: 12px; letter-spacing: 0.03em;
}
/* portal.css themes everything off --accent (gold #f5b73d: button bg, its
   box-shadow halo and the input focus ring). Re-pointing the variable inside
   this landing retints ALL of it to teal in one move; the explicit overrides
   below (higher specificity + !important) win over portal.css's !important
   rules regardless of load order. */
.backtesting-simulator-product .bts-trial .dlm-portal {
  --accent: var(--bts-accent);
  --accent-soft: rgba(45, 212, 191, 0.12);
  --accent-line: rgba(45, 212, 191, 0.32);
}
.backtesting-simulator-product .bts-trial .dlm-btn {
  background: var(--bts-accent) !important;
  border-color: var(--bts-accent) !important;
  color: #06231e !important;
  box-shadow: 0 8px 22px -10px var(--bts-accent) !important;
}
.backtesting-simulator-product .bts-trial .dlm-btn:hover { filter: brightness(1.08); }
/* The theme's generic `input { background: transparent !important }` reset
   strips the field background portal.css gives the email input — restore it
   so it still reads as a field on the dark landing. */
.backtesting-simulator-product .bts-trial .dlm-input {
  background: #0b0c0e !important;
}