:root {
  /* Stripe + Mercury + Ramp Institutional FinTech Daylight Palette */
  --bg-canvas: #F8FAFC;
  --bg-canvas-alt: #F1F5F9;
  --bg-surface: #FFFFFF;
  --bg-bezel: #F1F5F9;
  --bg-terminal: #0A1628;
  --bg-terminal-header: #0F213A;
  --border-hairline: #E2E8F0;
  --border-strong: #CBD5E1;
  --border-terminal: #1E293B;

  /* Ink Hierarchy */
  --text-navy: #0A2540;
  --text-slate: #334155;
  --text-muted: #475569;

  /* Semantic FinTech Accents (WCAG AA/AAA Verified) */
  --blurple: #533AFD;
  --blurple-hover: #4434D4;
  --blurple-soft: #EEF2FF;
  --blurple-border: #C7D2FE;

  --emerald: #047857;
  --emerald-bright: #059669;
  --emerald-soft: #ECFDF5;
  --emerald-border: #A7F3D0;

  --rose: #BE123C;
  --rose-bright: #E11D48;
  --rose-soft: #FFF1F2;
  --rose-border: #FECDD3;

  --amber: #B45309;
  --amber-soft: #FFFBEB;
  --amber-border: #FDE68A;

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', sans-serif;
  --font-serif: 'Playfair Display', 'Instrument Serif', Georgia, serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', ui-monospace, Menlo, Consolas, monospace;

  /* Elevation & Radii */
  --shadow-stripe: 0 18px 40px -15px rgba(10, 37, 64, 0.08), 0 4px 12px -2px rgba(10, 37, 64, 0.04);
  --shadow-card-hover: 0 22px 48px -12px rgba(10, 37, 64, 0.13), 0 6px 16px -4px rgba(83, 58, 253, 0.08);
  --radius-outer: 20px;
  --radius-card: 16px;
  --radius-btn: 9999px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: clip; }
body {
  background-color: var(--bg-canvas);
  background-image:
    radial-gradient(at 15% 0%, rgba(99, 91, 255, 0.07) 0px, transparent 52%),
    radial-gradient(at 85% 8%, rgba(5, 150, 105, 0.06) 0px, transparent 48%);
  color: var(--text-navy);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
code, pre, .mono-num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.serif-italic { font-family: var(--font-serif); font-style: italic; font-weight: 600; color: var(--blurple); padding-right: 2px; }

.skip-link {
  position: absolute; left: -9999px; top: 8px; z-index: 200;
  background: var(--text-navy); color: #FFFFFF; padding: 8px 16px; border-radius: 8px; font-weight: 700;
}
.skip-link:focus { left: 16px; }
.hp-field { display: none !important; visibility: hidden !important; position: absolute !important; left: -9999px !important; }
.container { max-width: 1320px; margin: 0 auto; padding: 0 24px; }

/* Unified Institutional Sticky Header */
.site-header {
  border-bottom: 1px solid var(--border-hairline);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 40;
}
.header-inner {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.14rem;
  letter-spacing: -0.025em;
  color: var(--text-navy);
  white-space: nowrap;
  flex-shrink: 0;
  transition: transform 180ms cubic-bezier(0.16, 1, 0.3, 1);
}
.brand-logo:hover { transform: translateY(-1px); }
.brand-logo svg { width: 36px; height: 36px; flex-shrink: 0; }
.brand-wordmark { display: inline-flex; align-items: baseline; }
.brand-wordmark-accent { color: var(--blurple); }
.brand-tag {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 700;
  color: var(--blurple);
  background: var(--blurple-soft);
  border: 1px solid var(--blurple-border);
  padding: 2px 8px;
  border-radius: 9999px;
  letter-spacing: 0.03em;
  white-space: nowrap;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-slate);
}
.main-nav a:not(.btn) {
  padding: 6px 8px;
  border-radius: 8px;
  white-space: nowrap;
  transition: color 150ms ease-out, background-color 150ms ease-out;
}
.main-nav a:not(.btn):hover { color: var(--blurple); background: var(--blurple-soft); }

/* Mobile Secondary Navigation Strip */
.mobile-nav-strip {
  display: none;
  border-top: 1px solid var(--border-hairline);
  background: #F8FAFC;
  padding: 8px 12px;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: center;
}
.mobile-nav-strip a {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-slate);
  padding: 5px 10px;
  border-radius: 9999px;
  background: #FFFFFF;
  border: 1px solid var(--border-hairline);
  white-space: nowrap;
}
.mobile-nav-strip a:hover { color: var(--blurple); border-color: var(--blurple-border); }

/* Tactile FinTech Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: var(--radius-btn);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 700;
  white-space: nowrap;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 180ms cubic-bezier(0.32, 0.72, 0, 1), background-color 180ms ease-out, border-color 180ms ease-out, box-shadow 180ms ease-out;
}
.btn:active { transform: scale(0.97); }
.btn:focus-visible { outline: 2px solid var(--blurple); outline-offset: 2px; }
.btn-icon-circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 21px;
  height: 21px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.22);
  font-size: 0.74rem;
  line-height: 1;
}
.btn-emerald {
  background: var(--emerald);
  color: #FFFFFF;
  box-shadow: 0 8px 20px -4px rgba(4, 120, 87, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}
.btn-emerald:hover { background: var(--emerald-bright); transform: translateY(-1px); }
.btn-indigo {
  background: var(--blurple);
  color: #FFFFFF;
  box-shadow: 0 8px 22px -4px rgba(83, 58, 253, 0.38), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}
.btn-indigo:hover { background: var(--blurple-hover); transform: translateY(-1px); }
.btn-ghost {
  background: #FFFFFF;
  color: var(--text-navy);
  border-color: var(--border-strong);
  box-shadow: 0 2px 6px rgba(10, 37, 64, 0.04);
}
.btn-ghost:hover { border-color: var(--blurple); color: var(--blurple); background: var(--blurple-soft); }
.btn-sm { padding: 8px 14px; font-size: 0.8rem; }
.btn-block { width: 100%; }

/* Badges & Status Pills */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--blurple);
  background: var(--blurple-soft);
  border: 1px solid var(--blurple-border);
  padding: 5px 13px;
  border-radius: 9999px;
  margin-bottom: 16px;
}
.badge-emerald {
  font-family: var(--font-mono); font-size: 0.74rem; font-weight: 700;
  color: var(--emerald); background: var(--emerald-soft); border: 1px solid var(--emerald-border);
  padding: 4px 10px; border-radius: 9999px;
}
.badge-rose {
  font-family: var(--font-mono); font-size: 0.74rem; font-weight: 700;
  color: var(--rose); background: var(--rose-soft); border: 1px solid var(--rose-border);
  padding: 4px 10px; border-radius: 9999px;
}
.badge-amber {
  font-family: var(--font-mono); font-size: 0.74rem; font-weight: 700;
  color: var(--amber); background: var(--amber-soft); border: 1px solid var(--amber-border);
  padding: 4px 10px; border-radius: 9999px;
}
.badge-indigo {
  font-family: var(--font-mono); font-size: 0.74rem; font-weight: 700;
  color: var(--blurple); background: var(--blurple-soft); border: 1px solid var(--blurple-border);
  padding: 4px 10px; border-radius: 9999px;
}
.text-emerald { color: var(--emerald) !important; font-weight: 700; }
.text-rose { color: var(--rose) !important; font-weight: 700; }
.text-indigo { color: var(--blurple) !important; font-weight: 700; }
.text-amber { color: var(--amber) !important; font-weight: 700; }

/* Hero & Above-the-Fold Grader */
#grader, #bandit-lab, #webhook-lab, #pricing, .lab-section { scroll-margin-top: 92px; }
.hero-section {
  padding: 48px 0 60px;
  border-bottom: 1px solid var(--border-hairline);
}
.hero-split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 32px;
  align-items: start;
}
.hero-h1, .pseo-h1, .lp-h1 {
  font-size: clamp(2.1rem, 3.3vw, 3.1rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-navy);
  margin-bottom: 16px;
}
.hero-lead, .pseo-lead {
  font-size: 1.04rem;
  color: var(--text-slate);
  max-width: 62ch;
  margin-bottom: 24px;
}
.preset-pills, .preset-bar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.preset-btn {
  padding: 7px 14px;
  border-radius: 9999px;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 700;
  background: #FFFFFF;
  color: var(--text-slate);
  border: 1px solid var(--border-strong);
  cursor: pointer;
  transition: transform 150ms ease-out, border-color 150ms ease-out, color 150ms ease-out, background-color 150ms ease-out;
}
.preset-btn:hover, .preset-btn.active {
  border-color: var(--blurple);
  color: var(--blurple);
  background: var(--blurple-soft);
}
.preset-btn:active { transform: scale(0.97); }

/* FinTech Bento Cards */
.card-panel, .metric-card, .faq-card, .related-card, .grader-form-card, .telemetry-card, .pricing-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-card);
  padding: 24px;
  box-shadow: var(--shadow-stripe);
}
.card-header-row, .card-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-hairline);
}
.badge-live {
  font-family: var(--font-mono); font-size: 0.74rem; font-weight: 700;
  color: var(--emerald); background: var(--emerald-soft); border: 1px solid var(--emerald-border);
  padding: 4px 10px; border-radius: 9999px;
}
.mono-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Forms & Inputs */
.form-grid, .grader-form-card { display: grid; gap: 14px; }
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field-label {
  display: block;
  font-size: 0.79rem;
  font-weight: 700;
  color: var(--text-navy);
  margin-bottom: 6px;
}
.field-input, .field-select {
  width: 100%;
  padding: 10px 13px;
  border-radius: 10px;
  background: #F8FAFC;
  border: 1px solid var(--border-strong);
  color: var(--text-navy);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 600;
  transition: border-color 150ms ease-out, box-shadow 150ms ease-out, background-color 150ms ease-out;
}
.field-input:focus, .field-select:focus {
  outline: none;
  background: #FFFFFF;
  border-color: var(--blurple);
  box-shadow: 0 0 0 3px rgba(83, 58, 253, 0.14);
}

/* Metric Output Cards */
.metric-duo { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 16px; }
.metric-box, .metric-tile {
  background: #F8FAFC;
  border: 1px solid var(--border-hairline);
  border-radius: 14px;
  padding: 16px;
  display: flex;
  flex-direction: column;
}
.metric-box.leaked, .metric-tile.tile-rose { background: var(--rose-soft); border-color: var(--rose-border); }
.metric-box.recovered, .metric-tile.tile-emerald { background: var(--emerald-soft); border-color: var(--emerald-border); }
.metric-title, .tile-label { font-size: 0.76rem; font-weight: 700; color: var(--text-slate); margin-bottom: 4px; }
.metric-val, .tile-value { font-family: var(--font-mono); font-size: 1.65rem; font-weight: 800; line-height: 1.15; letter-spacing: -0.02em; }
.metric-sub, .tile-sub { font-size: 0.75rem; color: var(--text-muted); margin-top: 4px; }
.spec-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 9px 0; border-bottom: 1px solid var(--border-hairline); font-size: 0.85rem;
}
.spec-row:last-child { border-bottom: none; }
.spec-k { color: var(--text-slate); font-weight: 500; }
.spec-v { font-family: var(--font-mono); font-weight: 700; color: var(--text-navy); }

/* Dark Developer SDK & Webhook Code Drawer (#0A1628) */
.code-snippet-box {
  margin-top: 14px;
  background: var(--bg-terminal);
  color: #F8FAFC;
  border: 1px solid var(--border-terminal);
  border-radius: 12px;
  padding: 15px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}
.code-snippet-box .mono-label { color: #34D399; }
.code-snippet-box h3, .code-snippet-box strong { color: #FFFFFF; }
.code-snippet-box p, .code-snippet-box pre, .code-snippet-box span { color: #CBD5E1; }
.code-snippet-box code {
  display: inline-block; margin-top: 4px; font-size: 0.79rem; color: #A5B4FC; word-break: break-all;
}
.code-snippet-box .btn-ghost {
  background: rgba(255, 255, 255, 0.08); color: #F8FAFC; border-color: rgba(255, 255, 255, 0.2);
}

/* Section Layout & Labs */
.lab-section { padding: 72px 0; border-bottom: 1px solid var(--border-hairline); }
.section-header-stack { max-width: 68ch; margin-bottom: 32px; }
.section-h2 {
  font-size: clamp(1.65rem, 2.5vw, 2.2rem); font-weight: 800;
  letter-spacing: -0.025em; color: var(--text-navy); margin-bottom: 10px;
}
.section-sub { color: var(--text-slate); font-size: 0.98rem; }
.bandit-grid { display: grid; grid-template-columns: 0.92fr 1.08fr; gap: 24px; align-items: start; }
.objection-buttons-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 14px 0; }
.objection-btn {
  text-align: left; padding: 13px; border-radius: 12px;
  background: #F8FAFC; border: 1px solid var(--border-strong); color: var(--text-navy);
  cursor: pointer; transition: transform 150ms ease-out, border-color 150ms ease-out, background-color 150ms ease-out, box-shadow 150ms ease-out;
}
.objection-btn:hover, .objection-btn.selected {
  border-color: var(--blurple); background: var(--blurple-soft); box-shadow: 0 4px 12px rgba(83, 58, 253, 0.1);
}
.objection-btn:active { transform: scale(0.97); }
.obj-code { display: block; font-family: var(--font-mono); font-size: 0.72rem; font-weight: 700; color: var(--blurple); margin-bottom: 3px; }
.obj-lbl { display: block; font-size: 0.84rem; font-weight: 700; color: var(--text-navy); }

/* Posterior Table */
.posterior-table-wrap { overflow-x: auto; }
.posterior-table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
.posterior-table th {
  text-align: left; padding: 10px 8px; font-family: var(--font-mono); font-size: 0.72rem;
  text-transform: uppercase; color: var(--text-muted); border-bottom: 2px solid var(--border-hairline);
}
.posterior-table td {
  padding: 11px 8px; border-bottom: 1px solid var(--border-hairline); font-family: var(--font-mono); color: var(--text-navy);
}
.prob-bar-bg { width: 100%; height: 8px; background: #E2E8F0; border-radius: 4px; overflow: hidden; margin-top: 4px; }
.prob-bar-fill {
  height: 100%; background: linear-gradient(90deg, var(--blurple), var(--emerald-bright));
  border-radius: 4px; transition: width 220ms ease-out;
}

/* Webhook & Pricing Grids */
.webhook-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 24px; align-items: start; }
.timeline-step {
  padding: 12px 14px; border-left: 3px solid var(--blurple);
  background: #F8FAFC; border-radius: 0 10px 10px 0; margin-bottom: 10px;
}
.timeline-step strong { display: block; font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-navy); }
.timeline-step p { font-size: 0.85rem; color: var(--text-slate); margin-top: 2px; }
.pricing-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.pricing-card { display: flex; flex-direction: column; justify-content: space-between; }
.pricing-card.featured { border: 2px solid var(--blurple); box-shadow: var(--shadow-card-hover); }
.price-tag { font-family: var(--font-mono); font-size: 2.5rem; font-weight: 800; color: var(--text-navy); margin: 12px 0; }
.price-tag span { font-size: 0.95rem; color: var(--text-muted); font-weight: 600; }
.feature-check-list { list-style: none; margin: 16px 0 24px; }
.feature-check-list li { padding: 8px 0; font-size: 0.9rem; color: var(--text-slate); border-bottom: 1px solid var(--border-hairline); }
.feature-check-list li strong { color: var(--text-navy); }

/* Exit-Intent Modal Overlay */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(10, 37, 64, 0.58);
  backdrop-filter: blur(8px); display: none; align-items: center; justify-content: center; padding: 20px; z-index: 100;
}
.modal-backdrop.open { display: flex; }
.exit-modal-card {
  max-width: 590px; width: 100%; background: #FFFFFF; border: 2px solid var(--blurple);
  border-radius: 20px; padding: 28px; box-shadow: 0 28px 64px rgba(10, 37, 64, 0.28);
}

/* pSEO, Directory & Meta Landing Page */
.pseo-main { padding: 36px 0 64px; }
.breadcrumb {
  font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-muted);
  margin-bottom: 20px; display: flex; gap: 8px; flex-wrap: wrap;
}
.breadcrumb a { color: var(--blurple); font-weight: 600; }
.pseo-section { margin-top: 48px; padding-top: 36px; border-top: 1px solid var(--border-hairline); }
.inline-calc-grid {
  display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 24px; margin-top: 18px;
  background: var(--bg-surface); border: 1px solid var(--border-hairline); border-radius: var(--radius-card); padding: 24px; box-shadow: var(--shadow-stripe);
}
.calc-inputs { display: flex; flex-direction: column; gap: 10px; }
.faq-grid, .related-links-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 18px; }
.faq-card h3 { font-size: 0.96rem; margin-bottom: 8px; color: var(--text-navy); }
.faq-card p { font-size: 0.86rem; color: var(--text-slate); }
.related-card { display: flex; flex-direction: column; gap: 6px; transition: transform 160ms ease-out, border-color 160ms ease-out, box-shadow 160ms ease-out; }
.related-card:hover { border-color: var(--blurple); transform: translateY(-2px); box-shadow: var(--shadow-card-hover); }
.dir-card-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.dir-card-sub { font-size: 0.8rem; color: var(--text-slate); }
.filter-bar { margin-top: 20px; max-width: 560px; }
.lp-topbar { border-bottom: 1px solid var(--border-hairline); padding: 14px 0; background: #FFFFFF; }
.lp-topbar-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.lp-guarantee-pill {
  font-family: var(--font-mono); font-size: 0.76rem; font-weight: 700; color: var(--emerald);
  background: var(--emerald-soft); border: 1px solid var(--emerald-border); padding: 6px 13px; border-radius: 9999px;
}
.lp-main { padding: 40px 0 64px; }
.lp-proof-list { list-style: none; margin: 18px 0; }
.lp-proof-list li { padding: 9px 0; font-size: 0.94rem; color: var(--text-slate); border-bottom: 1px solid var(--border-hairline); }
.lp-proof-list li strong { color: var(--text-navy); }
.lp-trust-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 20px; }
.trust-stat { background: #FFFFFF; border: 1px solid var(--border-hairline); border-radius: 12px; padding: 14px; box-shadow: var(--shadow-stripe); }
.trust-stat strong { display: block; font-family: var(--font-mono); font-size: 1.2rem; }
.trust-stat span { font-size: 0.76rem; color: var(--text-slate); }
.lp-result-panel { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--border-hairline); }
.mono-status { margin-top: 10px; font-family: var(--font-mono); font-size: 0.74rem; color: var(--text-muted); }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* Non-Overlapping Docked Cookie & Telemetry Consent Bar + Footer */
.cookie-consent-bar { position: relative; z-index: 10; background: #FFFFFF; border-top: 1px solid var(--border-hairline); padding: 14px 0; }
.cookie-consent-bar.hidden { display: none !important; }
.cookie-consent-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 0.82rem; color: var(--text-slate); }
.cookie-consent-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.site-footer { padding: 32px 0; border-top: 1px solid var(--border-hairline); background: #F1F5F9; font-size: 0.85rem; color: var(--text-slate); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; font-weight: 600; }
.footer-links a:hover { color: var(--blurple); }

/* Mobile Responsive (< 920px) */
@media (max-width: 920px) {
  .hero-split, .bandit-grid, .webhook-grid, .pricing-grid, .inline-calc-grid, .faq-grid, .related-links-grid { grid-template-columns: 1fr; }
  .main-nav a:not(.btn), .brand-tag { display: none; }
  .mobile-nav-strip { display: flex; }
  .header-inner { min-height: 60px; }
  .header-inner .btn-sm { padding: 7px 11px; font-size: 0.72rem; }
  .header-inner .btn-icon-circle { display: none; }
  .form-row-2, .metric-duo, .objection-buttons-grid, .lp-trust-row { grid-template-columns: 1fr; }
}