/* ===================================================================
   LTC Quant Services — Premium Design System
   Colors: #FAFAF7 bg / #18130D text / #D4A853 gold
   Typography: JetBrains Mono (headings, UPPERCASE) / Inter (body)
   Layout: 0px radius, 128px section padding, ~1200px max
   =================================================================== */

/* --- Variables --- */
:root {
  --bg:        #FAFAF7;
  --text:      #18130D;
  --text-muted:#6B6560;
  --gold:      #D4A853;
  --gold-dim:  rgba(212, 168, 83, 0.10);
  --border:    rgba(24, 19, 13, 0.10);
  --radius:    0px;
  --max:       1200px;
  --pad-y:     128px;
  --font-head: 'JetBrains Mono', 'Courier New', monospace;
  --font-body: 'Inter', -apple-system, sans-serif;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body { background: var(--bg); color: var(--text); font-family: var(--font-body); -webkit-font-smoothing: antialiased; line-height: 1.6; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* --- Layout helpers --- */
.container { max-width: var(--max); margin: 0 auto; padding: 0 40px; }
.section-label {
  font-family: var(--font-head);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 48px;
}

/* ===================================================================
   HERO
   =================================================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border);
}
.hero-inner { padding: var(--pad-y) 0; width: 100%; }
.hero-eyebrow {
  font-family: var(--font-head);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 32px;
}
.hero-company {
  font-family: var(--font-head);
  font-size: clamp(3rem, 6vw, 6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  line-height: 0.92;
  margin-bottom: 40px;
  color: var(--text);
}
.hero-positioning {
  font-family: var(--font-body);
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 480px;
  line-height: 1.7;
  margin-bottom: 56px;
}
.hero-ctas { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.btn-primary {
  font-family: var(--font-head);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--text);
  color: var(--bg);
  padding: 14px 32px;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s;
  display: inline-block;
}
.btn-primary:hover { opacity: 0.75; }
.btn-secondary {
  font-family: var(--font-head);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: transparent;
  color: var(--text);
  padding: 14px 32px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: border-color 0.2s;
  display: inline-block;
}
.btn-secondary:hover { border-color: var(--text); }

/* ===================================================================
   SECTIONS (shared)
   =================================================================== */
section { padding: var(--pad-y) 0; border-bottom: 1px solid var(--border); }
section:last-of-type { border-bottom: none; }

/* ===================================================================
   §01 WHO WE ARE
   =================================================================== */
.who-we-are-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.who-we-are h2 {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  line-height: 1.05;
  margin-bottom: 32px;
}
.who-right {}
.who-right h3 {
  font-family: var(--font-head);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.who-right h3:first-child { padding-top: 0; border-top: none; }
.who-right p {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 14px;
}
.who-right ul { list-style: none; margin-bottom: 14px; }
.who-right li {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
  padding: 6px 0;
  padding-left: 18px;
  position: relative;
}
.who-right li::before { content: '— '; font-family: var(--font-head); color: var(--gold); position: absolute; left: 0; }

/* ===================================================================
   §02 LTC QUANT SERVICES
   =================================================================== */
.quant-services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.quant-services h2 {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  line-height: 1.05;
  margin-bottom: 32px;
}
.quant-services p {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 20px;
}
.quant-price {
  font-family: var(--font-head);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.quant-price-label {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}
.beta-badge {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  background: var(--gold-dim);
  color: var(--gold);
  border: 1px solid rgba(212, 168, 83, 0.25);
  padding: 4px 10px;
  margin-bottom: 24px;
}
.product-tags {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--border);
}
.product-tag {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}
.product-tag-key {
  font-family: var(--font-head);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding-top: 2px;
}
.product-tag-val {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--text);
  line-height: 1.5;
}
.product-tag-val span {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 3px;
}
.quant-link {
  display: inline-block;
  margin-top: 32px;
  font-family: var(--font-head);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
  border-bottom: 1px solid var(--text);
  padding-bottom: 2px;
  transition: color 0.2s, border-color 0.2s;
}
.quant-link:hover { color: var(--gold); border-color: var(--gold); }

/* ===================================================================
   §03 LTC CONSULTING
   =================================================================== */
.consulting h2 {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  line-height: 1.05;
  margin-bottom: 32px;
}
.consulting > .container > p {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.75;
  max-width: 560px;
  margin-bottom: 12px;
}
.consulting-ctas { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; margin-top: 40px; }

/* ===================================================================
   §04 WHY US
   =================================================================== */
.why-us h2 {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  line-height: 1.05;
  margin-bottom: 64px;
}
.why-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--border);
}
.why-col {
  padding: 48px 40px 48px 0;
  border-right: 1px solid var(--border);
}
.why-col:first-child { padding-left: 0; }
.why-col:last-child { border-right: none; padding-right: 0; }
.why-col-num {
  font-family: var(--font-head);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 24px;
}
.why-col h3 {
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.why-col p {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 24px;
}
.why-link {
  font-family: var(--font-head);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
  border-bottom: 1px solid var(--text);
  padding-bottom: 2px;
  display: inline-block;
  transition: color 0.2s, border-color 0.2s;
}
.why-link:hover { color: var(--gold); border-color: var(--gold); }

/* ===================================================================
   §05 ROI CALCULATOR
   =================================================================== */
.roi-section h2 {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  line-height: 1.05;
  margin-bottom: 16px;
}
.roi-framing {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 64px;
}
.roi-framing strong { color: var(--gold); }
.roi-card {
  background: var(--text);
  color: var(--bg);
  padding: 64px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.roi-inputs {}
.roi-inputs h3 {
  font-family: var(--font-head);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(250, 250, 247, 0.5);
  margin-bottom: 40px;
}
.roi-slider-group { margin-bottom: 40px; }
.roi-slider-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 16px;
}
.roi-slider-label-text {
  font-family: var(--font-head);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(250, 250, 247, 0.6);
}
.roi-slider-label-val {
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--bg);
}
input[type=range] {
  -webkit-appearance: none;
  width: 100%;
  height: 2px;
  background: rgba(250, 250, 247, 0.15);
  outline: none;
  cursor: pointer;
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  background: var(--gold);
  cursor: pointer;
  border-radius: 0;
  border: none;
}
input[type=range]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--gold);
  cursor: pointer;
  border-radius: 0;
  border: none;
}
.roi-output {}
.roi-output h3 {
  font-family: var(--font-head);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(250, 250, 247, 0.5);
  margin-bottom: 32px;
}
.roi-result-number {
  font-family: var(--font-head);
  font-size: 3.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 8px;
}
.roi-result-label {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: rgba(250, 250, 247, 0.5);
  margin-bottom: 40px;
}
.roi-comparison {}
.roi-comparison-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 16px 0;
  border-top: 1px solid rgba(250, 250, 247, 0.08);
}
.roi-comparison-row:last-child { border-bottom: 1px solid rgba(250, 250, 247, 0.08); }
.roi-comp-label {
  font-family: var(--font-head);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(250, 250, 247, 0.5);
}
.roi-comp-value {
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--bg);
}
.roi-comp-value.highlight { color: var(--gold); }
.roi-cta-wrap { margin-top: 40px; }
.btn-gold {
  font-family: var(--font-head);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--gold);
  color: var(--text);
  padding: 16px 32px;
  border: none;
  cursor: pointer;
  display: inline-block;
  transition: opacity 0.2s;
}
.btn-gold:hover { opacity: 0.8; }

/* ===================================================================
   FOOTER
   =================================================================== */
.site-footer { padding: 64px 0; border-top: 1px solid var(--border); }
.footer-inner { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 32px; }
.footer-brand { display: flex; flex-direction: column; gap: 8px; }
.footer-company {
  font-family: var(--font-head);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 700;
}
.footer-country {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--text-muted);
}
.footer-links { display: flex; gap: 32px; flex-wrap: wrap; }
.footer-links a {
  font-family: var(--font-head);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--text); }
.footer-bottom {
  width: 100%;
  border-top: 1px solid var(--border);
  margin-top: 40px;
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-disclaimer {
  font-family: var(--font-body);
  font-size: 0.7rem;
  color: var(--text-muted);
  max-width: 600px;
  line-height: 1.65;
}
.footer-year {
  font-family: var(--font-head);
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* ===================================================================
   WAITLIST FORM
   =================================================================== */
.waitlist-form-wrap {
  margin-top: 48px;
  padding: 40px;
  background: var(--bg);
  border: 1px solid var(--border);
  max-width: 520px;
}
.wl-header {
  font-family: var(--font-head);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.wl-sub {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}
.wl-form { display: flex; flex-direction: column; gap: 10px; }
.wl-fields { display: flex; gap: 10px; }
.wl-input {
  flex: 1;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
  border-radius: 0;
}
.wl-input:focus { border-color: var(--text); }
.wl-input::placeholder { color: var(--text-muted); }
.wl-btn {
  background: var(--text);
  color: var(--bg);
  font-family: var(--font-head);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 12px 24px;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s;
  border-radius: 0;
}
.wl-btn:hover { opacity: 0.75; }
.wl-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.wl-msg { margin-top: 8px; font-size: 0.85rem; padding: 12px; }
.wl-msg.success { color: #3a7a4a; border: 1px solid rgba(58, 122, 74, 0.25); }
.wl-msg.error { color: #b03a2e; border: 1px solid rgba(176, 58, 46, 0.25); }

/* ===================================================================
   SHARED PAGE HEADER
   =================================================================== */
.page-header {
  padding: 40px 0 0;
  border-bottom: 1px solid var(--border);
}
.page-header-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 40px;
  padding-bottom: 48px;
}
.back-link {
  font-family: var(--font-head);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s;
}
.back-link:hover { color: var(--text); }
.page-hero {
  padding: var(--pad-y) 0;
}
.page-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(2.5rem, 5vw, 5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  line-height: 0.92;
  margin-bottom: 24px;
}
.page-hero-sub {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 540px;
  line-height: 1.7;
}

/* ===================================================================
   METHODOLOGY INDEX — INDICATOR GRID
   =================================================================== */
.indicator-grid-section { padding: var(--pad-y) 0; }
.indicator-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.indicator-card {
  display: flex;
  flex-direction: column;
  background: var(--bg);
  padding: 48px;
  transition: background 0.2s;
  cursor: pointer;
}
.indicator-card:hover { background: rgba(24,19,13,0.02); }
.indicator-card--placeholder { border: 1px dashed var(--gold); }
.indicator-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}
.indicator-code {
  font-family: var(--font-head);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
}
.indicator-category {
  font-family: var(--font-head);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.indicator-name {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: 12px;
  line-height: 1.3;
}
.indicator-tagline {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
  flex: 1;
}
.indicator-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.indicator-assets {
  font-family: var(--font-head);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.indicator-version {
  font-family: var(--font-head);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}
.indicator-placeholder-badge {
  font-family: var(--font-head);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid rgba(212,168,83,0.3);
  background: var(--gold-dim);
  padding: 4px 8px;
  margin-bottom: 16px;
  display: inline-block;
}
.indicator-card-cta {
  font-family: var(--font-head);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s;
}
.indicator-card:hover .indicator-card-cta { color: var(--text); }

/* ===================================================================
   METHODOLOGY DETAIL
   =================================================================== */
.indicator-hero {
  padding: var(--pad-y) 0;
  border-bottom: 1px solid var(--border);
}
.indicator-hero-label { margin-bottom: 24px; }
.indicator-hero-name {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  line-height: 1.0;
  margin-bottom: 20px;
}
.indicator-hero-tagline {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 40px;
}
.indicator-hero-meta {
  display: flex;
  gap: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.meta-item {}
.meta-key {
  font-family: var(--font-head);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.meta-val {
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.indicator-placeholder-notice {
  margin-top: 32px;
  padding: 16px 20px;
  background: var(--gold-dim);
  border: 1px solid rgba(212,168,83,0.25);
  font-family: var(--font-head);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
}

/* ===================================================================
   METHOD SECTIONS
   =================================================================== */
.method-section {
  padding: 80px 0;
  border-bottom: 1px solid var(--border);
}
.method-section-body {}
.method-text {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.85;
  max-width: 720px;
  margin-bottom: 32px;
}
.method-text-sub {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}
.method-math-block {
  background: var(--text);
  color: var(--bg);
  padding: 32px 40px;
  max-width: 720px;
}
.method-math-label {
  font-family: var(--font-head);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(250,250,247,0.45);
  margin-bottom: 16px;
}
.method-math-formula {
  font-family: var(--font-head);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--gold);
  letter-spacing: 0.02em;
  white-space: pre-wrap;
}
.method-assumptions-list,
.method-edge-cases-list {
  list-style: none;
  max-width: 720px;
}
.method-assumptions-list li,
.method-edge-cases-list li {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.method-assumptions-list li::before { content: '— '; font-family: var(--font-head); color: var(--gold); }
.method-edge-cases-list li::before { content: '! '; font-family: var(--font-head); color: var(--text-muted); }

/* ===================================================================
   BACKTEST
   =================================================================== */
.backtest-placeholder {
  max-width: 720px;
  margin-bottom: 32px;
}
.backtest-placeholder-chart {
  background: rgba(24,19,13,0.04);
  border: 1px dashed rgba(24,19,13,0.15);
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.backtest-placeholder-label {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--text-muted);
}
.backtest-table {
  border-collapse: collapse;
  max-width: 720px;
  margin-bottom: 24px;
  width: 100%;
}
.backtest-table th {
  font-family: var(--font-head);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(24,19,13,0.02);
}
.backtest-table td {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--text);
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.backtest-td-val {
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--gold);
}
.backtest-note {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: italic;
  max-width: 720px;
  line-height: 1.65;
}

/* ===================================================================
   HOW TO USE
   =================================================================== */
.how-to-use-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.how-to-use-label {
  font-family: var(--font-head);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.how-to-use-list {
  list-style: none;
}
.how-to-use-list li {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--text);
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.params-block {
  border-top: 1px solid var(--border);
  padding-top: 32px;
}
.params-block-label {
  font-family: var(--font-head);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.params-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  max-width: 720px;
}
.param-item {
  background: var(--bg);
  padding: 20px;
}
.param-key {
  font-family: var(--font-head);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.param-val {
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text);
}

/* ===================================================================
   SIGNAL LOG
   =================================================================== */
.signal-stats {
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
}
.signal-stats-row {
  display: flex;
  gap: 80px;
}
.signal-stat {}
.signal-stat-val {
  font-family: var(--font-head);
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1;
  margin-bottom: 8px;
}
.signal-stat-label {
  font-family: var(--font-head);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.signal-filter-bar {
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
}
.filter-row {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.filter-label {
  font-family: var(--font-head);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.filter-pills {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.filter-pill {
  font-family: var(--font-head);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 14px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: all 0.15s;
}
.filter-pill:hover { border-color: var(--text); color: var(--text); }
.filter-pill--active {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}
.signal-table-section {
  padding: var(--pad-y) 0;
}
.signal-table-wrap {
  overflow-x: auto;
}
.signal-table {
  border-collapse: collapse;
  width: 100%;
  min-width: 900px;
}
.signal-table th {
  font-family: var(--font-head);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-align: left;
  padding: 16px 20px;
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}
.signal-table td {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--text);
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  line-height: 1.5;
}
.signal-table tr:hover td { background: rgba(24,19,13,0.02); }
.signal-row--sample td { opacity: 0.6; }
.signal-td--time { white-space: nowrap; }
.signal-time-small { font-size: 0.7rem; color: var(--text-muted); }
.signal-indicator-link {
  font-family: var(--font-head);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  transition: color 0.2s;
}
.signal-indicator-link:hover { color: var(--gold); border-color: var(--gold); }
.signal-badge {
  font-family: var(--font-head);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 8px;
  display: inline-block;
}
.signal-badge--long { background: rgba(58,122,74,0.12); color: #2d5e3a; }
.signal-badge--short { background: rgba(176,58,46,0.12); color: #8b2e20; }
.signal-badge--exit { background: var(--gold-dim); color: var(--gold); border: 1px solid rgba(212,168,83,0.25); }
.status-badge {
  font-family: var(--font-head);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 8px;
}
.status-badge--open { background: rgba(58,122,74,0.1); color: #2d5e3a; }
.status-badge--closed { background: rgba(24,19,13,0.06); color: var(--text-muted); }
.signal-td--entry {
  font-family: var(--font-head);
  font-size: 0.8rem;
  white-space: nowrap;
}
.signal-td--outcome {
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 700;
  white-space: nowrap;
}
.outcome--win { color: #2d5e3a; }
.outcome--loss { color: #8b2e20; }
.signal-td--note { font-size: 0.75rem; color: var(--text-muted); max-width: 280px; }
.signal-footer-note {
  margin-top: 32px;
  font-family: var(--font-head);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.signal-footer-note code {
  background: rgba(24,19,13,0.06);
  padding: 2px 6px;
  font-size: 0.7rem;
}

/* ===================================================================
   404
   =================================================================== */
.not-found-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.not-found-inner {
  text-align: center;
  padding: 40px;
}
.not-found-code {
  font-family: var(--font-head);
  font-size: 6rem;
  font-weight: 700;
  letter-spacing: -0.05em;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 24px;
}
.not-found-message {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 40px;
}

/* ===================================================================
   RESPONSIVE
   =================================================================== */
@media (max-width: 900px) {
  :root { --pad-y: 80px; }
  .container { padding: 0 24px; }
  .who-we-are-grid,
  .quant-services-grid { grid-template-columns: 1fr; gap: 48px; }
  .why-columns { grid-template-columns: 1fr; }
  .why-col { border-right: none; border-bottom: 1px solid var(--border); padding: 40px 0; }
  .why-col:last-child { border-bottom: none; }
  .roi-card { grid-template-columns: 1fr; gap: 40px; padding: 40px; }
  .footer-inner { flex-direction: column; }
  .footer-bottom { flex-direction: column; }
}
@media (max-width: 768px) {
  :root { --pad-y: 64px; }
  .container { padding: 0 20px; }
  .hero { min-height: auto; }
  .hero-ctas { flex-direction: column; align-items: flex-start; }
  .consulting-ctas { flex-direction: column; align-items: flex-start; }
  .wl-fields { flex-direction: column; }
}

/* ===================================================================
   ADMIN (preserve existing styles)
   =================================================================== */
.admin-nav { display: flex; gap: 16px; align-items: center; margin-bottom: 32px; }