/* 
 * ═══════════════════════════════════════════════════════════════════════════════
 * STRIPE RADAR 3D — OFFICIAL DESIGN SYSTEM & DASHBOARD TOKENS
 * Authentic Stripe Design Language • Skewed Mesh Gradient • Plus Jakarta Sans & Inter
 * High-Contrast Slate/Navy • Multi-Layer Shadows • Standalone Risk Console
 * ═══════════════════════════════════════════════════════════════════════════════
 */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  /* ── Stripe Core Palette ─────────────────────────────────────────────────── */
  --stripe-blurple: #635bff;
  --stripe-blurple-hover: #534be5;
  --stripe-blurple-light: #f0eeff;
  --stripe-blurple-glow: rgba(99, 91, 255, 0.28);

  --stripe-navy: #0a2540;
  --stripe-navy-dark: #061727;
  --stripe-navy-mid: #0d2e50;
  
  --stripe-slate: #425466;
  --stripe-muted: #697386;
  --stripe-border: #e3e8ee;
  --stripe-border-subtle: #edf2f7;
  
  --stripe-bg-light: #f6f9fc;
  --stripe-bg-white: #ffffff;
  --stripe-bg-card: #ffffff;

  /* ── Stripe Accents & Semantic Signals ───────────────────────────────────── */
  --stripe-cyan: #00d4ff;
  --stripe-cyan-light: #e6faf8;
  --stripe-cyan-text: #008779;
  
  --stripe-teal: #00d4b6;
  --stripe-green: #00c853;
  --stripe-green-bg: #e6f9ed;
  
  --stripe-orange: #ff7700;
  --stripe-orange-bg: #fff4e5;
  --stripe-amber: #f59e0b;
  --stripe-amber-bg: #fef3c7;
  
  --stripe-coral: #df1b41;
  --stripe-coral-light: #ffebee;
  --stripe-pink: #ff54b0;
  --stripe-gold: #ffd166;

  /* ── Typography Tokens ──────────────────────────────────────────────────── */
  --font-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* ── Stripe Signature Shadows ───────────────────────────────────────────── */
  --shadow-sm: 0 2px 5px rgba(50, 50, 93, 0.05), 0 1px 1px rgba(0, 0, 0, 0.05);
  --shadow-card: 0 13px 27px -5px rgba(50, 50, 93, 0.12), 0 8px 16px -8px rgba(0, 0, 0, 0.15), 0 -6px 16px -6px rgba(0, 0, 0, 0.02);
  --shadow-float: 0 30px 60px -12px rgba(50, 50, 93, 0.25), 0 18px 36px -18px rgba(0, 0, 0, 0.3), 0 -12px 36px -8px rgba(0, 0, 0, 0.025);
  --shadow-button: 0 4px 6px rgba(50, 50, 93, 0.11), 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-button-hover: 0 7px 14px rgba(50, 50, 93, 0.15), 0 3px 6px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 24px rgba(99, 91, 255, 0.35);

  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-pill: 9999px;

  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset & Global Typography ───────────────────────────────────────────── */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--stripe-bg-light);
  color: var(--stripe-slate);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--stripe-navy);
  letter-spacing: -0.035em;
  font-weight: 700;
  line-height: 1.18;
}

p {
  color: var(--stripe-slate);
  font-size: 16px;
}

a {
  color: var(--stripe-blurple);
  text-decoration: none;
  transition: all var(--transition);
}

a:hover {
  color: var(--stripe-blurple-hover);
}

button {
  font-family: var(--font-display);
  cursor: pointer;
  border: none;
  background: none;
  transition: all var(--transition);
}

/* ── Announcement Top Bar ────────────────────────────────────────────────── */
.stripe-top-banner {
  background: rgba(10, 37, 64, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  color: #ffffff;
  font-size: 13px;
  font-weight: 500;
  padding: 10px 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  position: relative;
  z-index: 60;
}

.stripe-top-banner a {
  color: var(--stripe-cyan);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.stripe-top-banner a:hover {
  color: #ffffff;
  text-decoration: none;
  transform: translateX(2px);
}

.banner-badge {
  background: linear-gradient(135deg, var(--stripe-blurple), #7a73ff);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 9px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ── Stripe Tilted Hero Section with WebGL Mesh Canvas ───────────────────── */
.stripe-hero-wrapper {
  position: relative;
  overflow: hidden;
  background: #f6f9fc;
  padding-bottom: 90px;
}

.stripe-skewed-mesh-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 680px;
  transform: skewY(-6deg);
  transform-origin: top left;
  overflow: hidden;
  z-index: 1;
  background: linear-gradient(135deg, #0a2540 0%, #151b33 100%);
  border-bottom: 2px solid rgba(255, 255, 255, 0.12);
}

#stripe-gradient-canvas {
  width: 100%;
  height: 100%;
  opacity: 0.88;
  display: block;
}

.stripe-hero-unskewed-content {
  position: relative;
  z-index: 10;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Stripe Glass Navbar ─────────────────────────────────────────────────── */
.stripe-navbar-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  z-index: 50;
}

.stripe-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.stripe-logo-glyph {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--stripe-blurple) 0%, #00d4ff 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  box-shadow: 0 4px 12px var(--stripe-blurple-glow);
  transition: transform var(--transition);
}

.stripe-brand:hover .stripe-logo-glyph {
  transform: scale(1.05) rotate(-3deg);
}

.stripe-brand-text {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.04em;
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.stripe-brand-sub {
  font-size: 11px;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
  padding: 2px 7px;
  border-radius: var(--radius-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stripe-nav-links {
  display: flex;
  list-style: none;
  gap: 28px;
  align-items: center;
}

.stripe-nav-links a {
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
  font-weight: 600;
  transition: color var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.stripe-nav-links a:hover {
  color: #ffffff;
}

.stripe-nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ── Stripe Buttons ──────────────────────────────────────────────────────── */
.stripe-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.stripe-btn.btn-lg {
  padding: 13px 26px;
  font-size: 15px;
  font-weight: 700;
}

.stripe-btn.btn-sm {
  padding: 6px 13px;
  font-size: 12px;
  font-weight: 600;
}

.btn-blurple {
  background: var(--stripe-blurple);
  color: #ffffff !important;
  box-shadow: var(--shadow-button);
}

.btn-blurple:hover {
  background: var(--stripe-blurple-hover);
  box-shadow: var(--shadow-button-hover), 0 0 18px var(--stripe-blurple-glow);
  transform: translateY(-1px);
}

.btn-glass {
  background: rgba(255, 255, 255, 0.14);
  color: #ffffff !important;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.24);
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-1px);
}

.btn-white {
  background: #ffffff;
  color: var(--stripe-navy) !important;
  border: 1px solid var(--stripe-border);
  box-shadow: var(--shadow-sm);
}

.btn-white:hover {
  background: #fdfdfd;
  border-color: #cbd5e1;
  box-shadow: var(--shadow-button);
  transform: translateY(-1px);
}

.btn-dark {
  background: var(--stripe-navy);
  color: #ffffff !important;
}

.btn-dark:hover {
  background: #103459;
  transform: translateY(-1px);
}

/* ── Hero Grid ───────────────────────────────────────────────────────────── */
.stripe-hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
  padding: 40px 0 20px;
}

.hero-left-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hero-pill-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.08em;
  width: fit-content;
}

.pill-glow-dot {
  width: 7px;
  height: 7px;
  background: var(--stripe-cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--stripe-cyan);
  animation: pulse-glow 2s infinite ease-in-out;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.hero-main-title {
  font-size: 54px;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.hero-gradient-text {
  background: linear-gradient(135deg, #00d4ff 0%, #a259ff 50%, #ff54b0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.86);
  line-height: 1.6;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 8px;
}

/* ── Floating Radar Hero Card ────────────────────────────────────────────── */
.stripe-radar-hero-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-float);
  border: 1px solid rgba(255, 255, 255, 0.8);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 18px;
  animation: float-slow 6s ease-in-out infinite alternate;
}

@keyframes float-slow {
  0% { transform: translateY(0px); }
  100% { transform: translateY(-8px); }
}

.hero-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--stripe-border);
  padding-bottom: 14px;
}

.radar-live-status-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 700;
  color: var(--stripe-muted);
  letter-spacing: 0.06em;
}

/* ── Stripe Risk Badges ──────────────────────────────────────────────────── */
.stripe-risk-badge {
  font-size: 11px;
  font-weight: 800;
  padding: 3px 9px;
  border-radius: var(--radius-xs);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.badge-blocked {
  background: var(--stripe-coral-light);
  color: var(--stripe-coral);
  border: 1px solid rgba(223, 27, 65, 0.25);
}

.badge-elevated {
  background: var(--stripe-amber-bg);
  color: #b45309;
  border: 1px solid rgba(245, 158, 11, 0.25);
}

.badge-allowed {
  background: var(--stripe-green-bg);
  color: #15803d;
  border: 1px solid rgba(0, 200, 83, 0.25);
}

/* ── Segmented Needle Gauge (Stripe Radar Official Style) ────────────────── */
.radar-segmented-score-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--stripe-bg-light);
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--stripe-border);
}

.radar-segmented-track {
  position: relative;
  height: 12px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, #10b981 0%, #10b981 22%, #f59e0b 22%, #f59e0b 68%, #df1b41 68%, #df1b41 100%);
  overflow: visible;
  margin: 8px 0 4px;
}

.radar-needle-marker {
  position: absolute;
  top: -6px;
  width: 6px;
  height: 24px;
  background: var(--stripe-navy);
  border-radius: 3px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.35);
  transform: translateX(-50%);
  transition: left 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.radar-scale-labels {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
}

/* ── Partner Proof & Tech Stack Banner ───────────────────────────────────── */
.stripe-proof-section {
  max-width: 1240px;
  margin: -30px auto 40px;
  padding: 0 24px;
  position: relative;
  z-index: 20;
}

.stripe-proof-bar {
  background: #ffffff;
  border: 1px solid var(--stripe-border);
  border-radius: var(--radius-lg);
  padding: 18px 28px;
  box-shadow: var(--shadow-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.proof-label {
  font-size: 11px;
  font-weight: 800;
  color: var(--stripe-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.proof-logos {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.proof-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--stripe-navy);
  background: var(--stripe-bg-light);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--stripe-border-subtle);
}

/* ── Key Metrics Bento Strip ────────────────────────────────────────────── */
.stripe-metrics-grid {
  max-width: 1240px;
  margin: 0 auto 50px;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.stripe-bento-card {
  background: #ffffff;
  border: 1px solid var(--stripe-border);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stripe-bento-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
  border-color: #cbd5e1;
}

.bento-icon-square {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 12px;
}

.icon-purple { background: var(--stripe-blurple-light); color: var(--stripe-blurple); }
.icon-teal { background: var(--stripe-cyan-light); color: var(--stripe-cyan-text); }
.icon-green { background: var(--stripe-green-bg); color: var(--stripe-green); }
.icon-amber { background: var(--stripe-amber-bg); color: #b45309; }
.icon-coral { background: var(--stripe-coral-light); color: var(--stripe-coral); }

.bento-val {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  color: var(--stripe-navy);
  letter-spacing: -0.04em;
  line-height: 1;
}

.bento-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--stripe-navy);
}

.bento-sub {
  font-size: 12px;
  color: var(--stripe-muted);
  line-height: 1.45;
}

/* ── Main Section Container ─────────────────────────────────────────────── */
.stripe-main-section {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px 60px;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

/* ── Section Title Bar & Headers ────────────────────────────────────────── */
.section-header-block {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 8px;
}

.section-eyebrow {
  font-size: 12px;
  font-weight: 800;
  color: var(--stripe-blurple);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section-title {
  font-size: 32px;
  font-weight: 800;
  color: var(--stripe-navy);
  letter-spacing: -0.035em;
}

.section-subtitle {
  font-size: 16px;
  color: var(--stripe-slate);
  max-width: 720px;
}

/* ── Stripe Standard Card Container ─────────────────────────────────────── */
.stripe-card-container {
  background: #ffffff;
  border: 1px solid var(--stripe-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.card-title-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--stripe-border-subtle);
  padding-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.card-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--stripe-navy);
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ── Modular Bento Feature 4-Grid (Landing Page) ─────────────────────────── */
.stripe-features-bento {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.feature-bento-card {
  background: #ffffff;
  border: 1px solid var(--stripe-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feature-bento-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
  border-color: #cbd5e1;
}

.feature-bento-head {
  display: flex;
  align-items: center;
  gap: 14px;
}

.feature-bento-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--stripe-navy);
}

.feature-bento-body {
  font-size: 15px;
  color: var(--stripe-slate);
  line-height: 1.6;
}

/* ── Interactive Code / API Explorer ─────────────────────────────────────── */
.stripe-code-explorer {
  background: var(--stripe-navy-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-float);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
}

.code-header-bar {
  background: #091a2e;
  padding: 12px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.code-tabs-group {
  display: flex;
  gap: 8px;
}

.code-tab-btn {
  padding: 6px 14px;
  border-radius: var(--radius-xs);
  font-size: 12px;
  font-weight: 600;
  color: #94a3b8;
  background: transparent;
}

.code-tab-btn.active {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
}

.code-body-area {
  padding: 24px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: #e2e8f0;
  overflow-x: auto;
}

/* ── Benchmark Table (Stripe Style) ──────────────────────────────────────── */
.stripe-table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--stripe-border);
  border-radius: var(--radius-md);
}

.stripe-benchmark-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
}

.stripe-benchmark-table th {
  background: var(--stripe-bg-light);
  color: var(--stripe-navy);
  font-weight: 700;
  padding: 14px 16px;
  border-bottom: 1px solid var(--stripe-border);
  white-space: nowrap;
}

.stripe-benchmark-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--stripe-border-subtle);
  color: var(--stripe-slate);
}

.stripe-benchmark-table tr:hover td {
  background: #f8fafc;
}

.stripe-benchmark-table tr.champion-row td {
  background: rgba(99, 91, 255, 0.05);
  font-weight: 600;
  color: var(--stripe-navy);
}

.champion-tag {
  background: var(--stripe-blurple);
  color: #ffffff;
  font-size: 10px;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: var(--radius-pill);
  margin-left: 8px;
  letter-spacing: 0.05em;
  display: inline-block;
}

/* ── Benchmark Bars Visualizer ───────────────────────────────────────────── */
.benchmark-bars-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.bench-card {
  background: var(--stripe-bg-light);
  border: 1px solid var(--stripe-border);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.bench-card-head {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 700;
  color: var(--stripe-navy);
  border-bottom: 1px solid var(--stripe-border);
  padding-bottom: 8px;
}

.bench-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.bench-meta {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--stripe-slate);
}

.bench-track {
  height: 8px;
  background: #e2e8f0;
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.bench-fill {
  height: 100%;
  background: #94a3b8;
  border-radius: var(--radius-pill);
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.bench-fill.highlight {
  background: linear-gradient(90deg, var(--stripe-blurple), #00d4ff);
}

/* ── Deep Dive Theoretical Cards ─────────────────────────────────────────── */
.deep-dive-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.deep-card {
  background: var(--stripe-bg-light);
  border: 1px solid var(--stripe-border);
  border-radius: var(--radius-md);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.deep-card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--stripe-navy);
  display: flex;
  align-items: center;
  gap: 8px;
}

.math-box {
  background: #ffffff;
  border: 1px solid var(--stripe-border);
  border-radius: var(--radius-sm);
  padding: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--stripe-navy);
  overflow-x: auto;
  text-align: center;
}

/* ── Stripe Pre-Footer CTA Banner ────────────────────────────────────────── */
.stripe-cta-banner {
  background: linear-gradient(135deg, #0a2540 0%, #171f38 50%, #635bff 100%);
  border-radius: var(--radius-xl);
  padding: 56px 40px;
  color: #ffffff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow-float);
  position: relative;
  overflow: hidden;
  gap: 30px;
  flex-wrap: wrap;
}

.stripe-cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.25) 0%, transparent 70%);
  pointer-events: none;
}

.cta-left-content {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 620px;
  position: relative;
  z-index: 2;
}

.cta-title {
  font-size: 36px;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.035em;
}

.cta-desc {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.85);
}

.cta-actions {
  display: flex;
  gap: 14px;
  position: relative;
  z-index: 2;
  flex-wrap: wrap;
}

/* ── Multi-Column Stripe Footer ──────────────────────────────────────────── */
.stripe-footer {
  background: #ffffff;
  border-top: 1px solid var(--stripe-border);
  padding: 60px 24px 40px;
  margin-top: 40px;
}

.footer-inner {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-col-title {
  font-size: 13px;
  font-weight: 800;
  color: var(--stripe-navy);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
}

.footer-links-list a {
  color: var(--stripe-slate);
}

.footer-links-list a:hover {
  color: var(--stripe-blurple);
}

.footer-bottom-bar {
  max-width: 1240px;
  margin: 40px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--stripe-border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--stripe-muted);
  flex-wrap: wrap;
  gap: 14px;
}

/* ═════════════════════════════════════════════════════════════════════════════
   RADAR RISK CONSOLE STANDALONE STYLING (console.html)
   ═════════════════════════════════════════════════════════════════════════════ */

.console-body {
  background-color: #f6f9fc;
  min-height: 100vh;
}

.console-topbar {
  background: #0a2540;
  color: #ffffff;
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  position: sticky;
  top: 0;
  z-index: 100;
}

.console-brand-group {
  display: flex;
  align-items: center;
  gap: 16px;
}

.console-search-box {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  gap: 8px;
  width: 320px;
}

.console-search-box input {
  background: transparent;
  border: none;
  color: #ffffff;
  font-family: var(--font-body);
  font-size: 13px;
  width: 100%;
  outline: none;
}

.console-search-box input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.console-nav-strip {
  background: #ffffff;
  border-bottom: 1px solid var(--stripe-border);
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 61px;
  z-index: 90;
}

.console-tabs {
  display: flex;
  gap: 4px;
}

.console-tab-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--stripe-muted);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
}

.console-tab-item:hover {
  color: var(--stripe-navy);
}

.console-tab-item.active {
  color: var(--stripe-blurple);
  border-bottom-color: var(--stripe-blurple);
  font-weight: 700;
}

.console-main-container {
  max-width: 1320px;
  margin: 24px auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

/* ── Risk Console Grid & Form Inputs ─────────────────────────────────────── */
.stripe-console-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
}

.scenario-pill-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.scenario-pills-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.scenario-pill-btn {
  background: var(--stripe-bg-light);
  border: 1px solid var(--stripe-border);
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  color: var(--stripe-slate);
}

.scenario-pill-btn:hover {
  border-color: #cbd5e1;
  background: #ffffff;
}

.scenario-pill-btn.active {
  background: var(--stripe-blurple-light);
  border-color: var(--stripe-blurple);
  color: var(--stripe-blurple);
  font-weight: 700;
}

.model-select-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--stripe-bg-light);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--stripe-border);
}

.model-select-wrapper select {
  background: #ffffff;
  border: 1px solid var(--stripe-border);
  border-radius: var(--radius-xs);
  padding: 6px 12px;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--stripe-navy);
  font-weight: 600;
  width: 100%;
  outline: none;
}

.feature-group-box {
  border: 1px solid var(--stripe-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #ffffff;
}

.feature-group-header {
  background: var(--stripe-bg-light);
  padding: 10px 14px;
  font-size: 12px;
  font-weight: 700;
  color: var(--stripe-navy);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--stripe-border);
}

.feature-group-body {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.slider-control-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.slider-label-row {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  font-weight: 600;
  color: var(--stripe-slate);
}

.slider-val {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--stripe-navy);
}

input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border-radius: var(--radius-pill);
  background: #e2e8f0;
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--stripe-blurple);
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  transition: transform var(--transition);
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

input[type="text"] {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--stripe-border);
  border-radius: var(--radius-xs);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--stripe-navy);
  outline: none;
}

input[type="text"]:focus {
  border-color: var(--stripe-blurple);
  box-shadow: 0 0 0 2px var(--stripe-blurple-glow);
}

/* ── Result Box & SHAP Explainability ────────────────────────────────────── */
.stripe-result-box {
  background: var(--stripe-bg-light);
  border: 1px solid var(--stripe-border);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.action-banner-row {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #ffffff;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--stripe-border);
  font-size: 13px;
}

.action-tag-pill {
  background: var(--stripe-coral);
  color: #ffffff;
  font-size: 11px;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.shap-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: #ffffff;
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--stripe-border);
}

.shap-bar-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.shap-bar-meta {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--stripe-slate);
}

.shap-track {
  height: 7px;
  background: #f1f5f9;
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.shap-fill {
  height: 100%;
  border-radius: var(--radius-pill);
  transition: width 0.4s ease;
}

.ai-reasoning-box {
  background: #ffffff;
  border-left: 3px solid var(--stripe-blurple);
  padding: 14px 16px;
  border-radius: var(--radius-xs);
  font-size: 13px;
  color: var(--stripe-slate);
  font-style: italic;
  line-height: 1.5;
}

/* ── Dark WebGL & Spatial Topology Section ───────────────────────────────── */
.stripe-dark-section {
  background: var(--stripe-navy-dark);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.canvas-tab-bar {
  display: flex;
  gap: 8px;
}

.canvas-tab-pill {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #94a3b8;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
}

.canvas-tab-pill.active {
  background: var(--stripe-blurple);
  color: #ffffff;
  border-color: var(--stripe-blurple);
}

.webgl-container-box {
  position: relative;
  width: 100%;
  height: 480px;
  background: radial-gradient(circle at center, #0e1e33 0%, #06111e 100%);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

#threeCanvas {
  width: 100%;
  height: 100%;
  display: block;
}

.webgl-hud-card {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(10, 37, 64, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  color: #ffffff;
  z-index: 10;
  min-width: 220px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.webgl-controls-overlay {
  position: absolute;
  bottom: 16px;
  right: 16px;
  display: flex;
  gap: 8px;
  z-index: 10;
}

.topology-2d-container {
  background: #091a2e;
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

#topology2DCanvas {
  max-width: 100%;
  border-radius: var(--radius-sm);
  background: #061220;
}

.topology-pill-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.topo-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #cbd5e1;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
}

.topo-btn.active {
  background: var(--stripe-cyan);
  color: #061727;
  font-weight: 700;
  border-color: var(--stripe-cyan);
}

/* ── Live Payment Events Stream Layout ───────────────────────────────────── */
.stripe-stream-layout {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 20px;
}

.stripe-terminal-box {
  background: #061727;
  border-radius: var(--radius-md);
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: #e2e8f0;
  height: 280px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.stream-event-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.stream-event-row.fraud {
  color: #ff5c5c;
  font-weight: 700;
}

.stream-event-row.cache-hit {
  color: #00d4b6;
}

.stream-telemetry-box {
  border: 1px solid var(--stripe-border);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.stream-stat-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 12px;
  border-bottom: 1px solid var(--stripe-border-subtle);
  padding-bottom: 8px;
}

/* ── Population Stability Index (PSI) Drift Sandbox ──────────────────────── */
.psi-layout-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
}

.psi-histogram-card {
  background: var(--stripe-bg-light);
  border: 1px solid var(--stripe-border);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.histogram-visualizer {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 160px;
  padding: 10px 0;
  border-bottom: 1px solid var(--stripe-border);
}

.histo-bin-col {
  flex: 1;
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 100%;
}

.histo-bar {
  flex: 1;
  border-radius: 2px 2px 0 0;
  transition: height 0.3s ease;
}

.histo-bar.base {
  background: var(--stripe-blurple);
}

.histo-bar.prod {
  background: var(--stripe-cyan-text);
}

.psi-status-card {
  background: var(--stripe-bg-light);
  border: 1px solid var(--stripe-border);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
}

.psi-score-val {
  font-family: var(--font-mono);
  font-size: 38px;
  font-weight: 800;
  color: var(--stripe-navy);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 4px;
}

/* ── Modals (AML Compliance Audit) ────────────────────────────────────────── */
.stripe-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(10, 37, 64, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.stripe-modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.stripe-modal-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  max-width: 680px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-float);
  border: 1px solid var(--stripe-border);
  transform: translateY(20px);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.stripe-modal-backdrop.active .stripe-modal-card {
  transform: translateY(0);
}

.modal-head {
  padding: 20px 24px;
  border-bottom: 1px solid var(--stripe-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-head h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--stripe-navy);
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-modal-close {
  font-size: 24px;
  color: var(--stripe-muted);
  line-height: 1;
}

.btn-modal-close:hover {
  color: var(--stripe-navy);
}

.modal-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ── Toast Notifications ─────────────────────────────────────────────────── */
.stripe-toast-stack {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 2000;
  pointer-events: none;
}

.stripe-toast {
  background: #0a2540;
  color: #ffffff;
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  animation: slide-in-toast 0.3s ease;
  pointer-events: auto;
}

@keyframes slide-in-toast {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ── Responsive Media Queries ────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .stripe-hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-main-title {
    font-size: 42px;
  }

  .stripe-metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stripe-console-grid,
  .stripe-stream-layout,
  .psi-layout-grid {
    grid-template-columns: 1fr;
  }

  .benchmark-bars-row,
  .deep-dive-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .stripe-nav-links {
    display: none;
  }

  .hero-main-title {
    font-size: 34px;
  }

  .stripe-metrics-grid {
    grid-template-columns: 1fr;
  }

  .stripe-features-bento {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .stripe-cta-banner {
    padding: 36px 24px;
  }
}

/* ── Scroll-Aware Navbar Transition (Stripe Signature) ───────────────────── */
.stripe-navbar-container {
  transition: background 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
}

.stripe-navbar-container.navbar-scrolled {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 2px 20px rgba(50, 50, 93, 0.1), 0 1px 3px rgba(0, 0, 0, 0.08);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 14px 0;
  border-radius: 0;
  max-width: 100vw;
  margin: 0;
  padding-left: 24px;
  padding-right: 24px;
}

.navbar-scrolled .stripe-nav-links a {
  color: var(--stripe-slate);
}

.navbar-scrolled .stripe-nav-links a:hover {
  color: var(--stripe-blurple);
}

.navbar-scrolled .stripe-brand-text {
  color: var(--stripe-navy);
}

.navbar-scrolled .stripe-brand-sub {
  background: var(--stripe-blurple-light);
  color: var(--stripe-blurple);
}

.navbar-scrolled .btn-glass {
  background: var(--stripe-bg-light);
  color: var(--stripe-navy) !important;
  border-color: var(--stripe-border);
}

/* ── Stripe Custom Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: var(--radius-pill);
}

::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* ── Code Syntax Highlighting ────────────────────────────────────────────── */
.code-body-area .token-key { color: #7dd3fc; }
.code-body-area .token-string { color: #86efac; }
.code-body-area .token-number { color: #fda4af; }
.code-body-area .token-keyword { color: #c4b5fd; }
.code-body-area .token-comment { color: #64748b; font-style: italic; }
.code-body-area .token-method { color: #00d4ff; }
.code-body-area .token-url { color: #fbbf24; }
.code-body-area .token-param { color: #f9a8d4; }

/* ── Bento Card Badge Chips ──────────────────────────────────────────────── */
.bento-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  margin-top: 4px;
  width: fit-content;
}

.chip-up {
  background: var(--stripe-green-bg);
  color: #15803d;
}

.chip-down {
  background: var(--stripe-coral-light);
  color: var(--stripe-coral);
}

/* ── Section Divider Eyebrow Animation ───────────────────────────────────── */
.section-eyebrow {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.section-eyebrow::before {
  content: '';
  width: 16px;
  height: 2px;
  background: var(--stripe-blurple);
  border-radius: var(--radius-pill);
  display: inline-block;
}

/* ── Console Tab Panel Entry Animations ──────────────────────────────────── */
.console-tab-panel {
  animation: panel-enter 0.28s cubic-bezier(0.4, 0, 0.2, 1) both;
}

@keyframes panel-enter {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Stripe Link Decoration Pulse ────────────────────────────────────────── */
.stripe-top-banner a::after {
  content: '';
  display: none;
}

/* ── Feature Card Gradient Icon Accent ───────────────────────────────────── */
.feature-bento-card .bento-icon-square {
  position: relative;
  overflow: hidden;
}

.feature-bento-card .bento-icon-square::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 60%, rgba(255,255,255,0.35) 100%);
  pointer-events: none;
}

/* ── Stripe Table Champion Row Enhanced ──────────────────────────────────── */
.stripe-benchmark-table tr.champion-row td:first-child {
  border-left: 3px solid var(--stripe-blurple);
}

/* ── PSI Alert State ──────────────────────────────────────────────────────── */
.psi-alert-banner {
  background: linear-gradient(135deg, rgba(223, 27, 65, 0.08), rgba(223, 27, 65, 0.04));
  border: 1px solid rgba(223, 27, 65, 0.3);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--stripe-coral);
  animation: alert-pulse 2s ease-in-out infinite;
}

@keyframes alert-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(223, 27, 65, 0); }
  50% { box-shadow: 0 0 0 4px rgba(223, 27, 65, 0.1); }
}

/* ── Stripe Console Breadcrumb ───────────────────────────────────────────── */
.console-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--stripe-muted);
}

.console-breadcrumb > span:not(:last-child)::after {
  content: '›';
  margin-left: 6px;
  opacity: 0.5;
}

.console-breadcrumb > span:last-child {
  color: var(--stripe-navy);
}

/* ── Stripe Hover Spotlight Effect ──────────────────────────────────────── */
.stripe-bento-card,
.feature-bento-card {
  background-image: radial-gradient(
    800px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(99, 91, 255, 0.04),
    transparent 40%
  );
}

/* ── Deep Dive Architectural Showcase (Full-Width Technical Rows) ───────── */
.deep-dive-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 36px;
  margin-bottom: 24px;
}

.deep-card {
  background: #ffffff;
  border: 1px solid var(--stripe-border);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 32px;
  align-items: center;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
  position: relative;
  overflow: hidden;
}

@media (max-width: 900px) {
  .deep-card {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 20px;
  }
}

.deep-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(99, 91, 255, 0.09);
  border-color: rgba(99, 91, 255, 0.35);
}

.deep-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--stripe-blurple), var(--stripe-teal));
  opacity: 0.85;
}

.deep-card-content {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.deep-card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--stripe-navy);
  display: flex;
  align-items: center;
  gap: 10px;
}

.deep-card p {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--stripe-slate);
  margin: 0;
}

.math-box {
  background: #0b1329;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  color: #f8fafc;
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.35);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.math-latex {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 4px 0;
  width: 100%;
}

.math-latex .katex-display {
  margin: 0 !important;
  font-size: 1.02em !important;
}

.math-latex .katex {
  color: #38bdf8 !important;
  font-size: 1.08em !important;
}

.math-caption {
  font-size: 11.5px;
  color: #94a3b8;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
  line-height: 1.4;
}