/* ==========================================================================
   SIGNATORY LLC — PUBLIC SIMULATOR STYLES
   Admissible by Design
   ========================================================================== */

:root {
  --bg-deep: #0a0a0a;
  --bg-pure: #000000;
  --gradient-brand: linear-gradient(135deg, #FFB800 0%, #E02694 50%, #8A2BE2 100%);
  --text-primary: #FFFFFF;
  --text-secondary: #C7C7CC;
  --text-muted: #8E8E93;
  --accent-cyan: #38BDF8;
  --accent-green: #10B981;
  --accent-red: #EF4444;
  --accent-gold: #FFB800;
  --accent-magenta: #E02694;
  --accent-purple: #8A2BE2;
  --card-bg: rgba(255, 255, 255, 0.02);
  --card-border: rgba(255, 255, 255, 0.08);
  --card-hover-border: rgba(255, 184, 0, 0.35);
  --card-hover-glow: rgba(224, 38, 148, 0.12);
  --font-serif: "Playfair Display", Georgia, serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --font-cursive: "Alex Brush", "Playfair Display", cursive;
  --container-max: 1140px;
}

/* Base Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  background-color: var(--bg-deep);
  color: var(--text-primary);
  scroll-behavior: smooth;
  min-height: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Background Ambient Lighting */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background:
    radial-gradient(circle at 10% 20%, rgba(224, 38, 148, 0.06) 0%, transparent 45%),
    radial-gradient(circle at 90% 60%, rgba(138, 43, 226, 0.07) 0%, transparent 50%),
    radial-gradient(circle at 50% 90%, rgba(255, 184, 0, 0.04) 0%, transparent 45%);
  pointer-events: none;
  z-index: 0;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

/* Typography Utilities */
h1, h2, h3, h4, .serif {
  font-family: var(--font-serif);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.mono {
  font-family: var(--font-mono);
}

.gradient-text {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.section-label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent-gold);
  margin-bottom: 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.section-label::before {
  content: "";
  display: inline-block;
  width: 16px;
  height: 2px;
  background: var(--gradient-brand);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(2rem, 3.4vw, 2.75rem);
  line-height: 1.18;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.section-subtitle {
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 780px;
  line-height: 1.6;
  margin-bottom: 36px;
}

/* Section Spacing */
.sim-section {
  padding: 60px 0;
  position: relative;
  z-index: 1;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 13px 26px;
  border-radius: 100px;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-gradient {
  background: var(--gradient-brand);
  color: #FFFFFF;
  box-shadow: 0 4px 20px rgba(224, 38, 148, 0.35);
}

.btn-gradient:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(224, 38, 148, 0.55);
  filter: brightness(1.08);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
}

.btn-outline:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.45);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

/* Loading Spinner */
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #FFFFFF;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ==========================================================================
   SECTION 1 — NAVIGATION (STICKY)
   ========================================================================== */
.sim-navbar {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 100;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--card-border);
  padding: 14px 0;
}

.sim-nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

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

.brand-shield-svg {
  width: 34px;
  height: 40px;
  filter: drop-shadow(0 2px 8px rgba(224, 38, 148, 0.4));
  flex-shrink: 0;
}

.brand-text-block {
  display: flex;
  flex-direction: column;
}

.brand-wordmark {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: #FFFFFF;
  line-height: 1.1;
}

.brand-tagline-sub {
  font-family: var(--font-sans);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  color: var(--accent-gold);
  text-transform: uppercase;
  font-weight: 600;
  margin-top: 2px;
}

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

.btn-reset-demo {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--card-border);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 7px 14px;
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-reset-demo:hover {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.4);
  color: #FFFFFF;
}

/* ==========================================================================
   SECTION 2 — HERO
   ========================================================================== */
.hero-section {
  text-align: center;
  padding: 70px 0 50px;
}

.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-green);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-green);
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

.hero-title {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  line-height: 1.15;
  margin-bottom: 18px;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 820px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Ephemeral Sandbox Instance Bar */
.sandbox-instance-bar {
  margin-top: 32px;
  background: rgba(18, 22, 34, 0.75);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 12px;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.sandbox-instance-bar.terminated {
  border-color: rgba(239, 68, 68, 0.35);
  background: rgba(26, 16, 20, 0.75);
}

.instance-info-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.instance-pulse {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--accent-green);
  box-shadow: 0 0 12px var(--accent-green);
  animation: pulse 2s infinite;
  flex-shrink: 0;
}

.instance-pulse.terminated {
  background-color: var(--accent-red);
  box-shadow: 0 0 8px rgba(239, 68, 68, 0.5);
  animation: none;
}

.instance-headline {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.instance-node {
  font-size: 0.95rem;
  font-weight: 700;
  color: #FFFFFF;
}

.instance-status-tag {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 100px;
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.35);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.instance-status-tag.terminated {
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent-red);
  border-color: rgba(239, 68, 68, 0.35);
}

.instance-status-tag.provisioning {
  background: rgba(255, 184, 0, 0.15);
  color: var(--accent-gold);
  border-color: rgba(255, 184, 0, 0.35);
}

.instance-zone {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.instance-sub {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.instance-controls-right {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.instance-guard {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
}

.guard-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.guard-timer {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.guard-timer.warning {
  color: var(--accent-gold);
}

.guard-timer.expired {
  color: var(--accent-red);
}

.btn-instance-power {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--card-border);
  color: var(--text-primary);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.btn-instance-power:hover {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.4);
  color: #FFF;
}

.btn-instance-power.reboot-mode {
  background: rgba(16, 185, 129, 0.15);
  border-color: rgba(16, 185, 129, 0.4);
  color: var(--accent-green);
}

.btn-instance-power.reboot-mode:hover {
  background: rgba(16, 185, 129, 0.25);
  color: #FFF;
}

@media (max-width: 768px) {
  .sandbox-instance-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
  .instance-controls-right {
    width: 100%;
    justify-content: space-between;
  }
  .instance-guard {
    align-items: flex-start;
  }
}

/* ==========================================================================
   SECTION 3 — SCENARIO CARD
   ========================================================================== */
.scenario-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-left: 4px solid var(--accent-gold);
  border-radius: 16px;
  padding: 32px 28px;
  backdrop-filter: blur(12px);
  position: relative;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4);
}

.scenario-title {
  font-size: 1.4rem;
  margin-bottom: 12px;
  color: #FFFFFF;
}

.scenario-body {
  font-size: 1.02rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.scenario-highlight {
  color: #FFFFFF;
  font-weight: 600;
}

/* ==========================================================================
   SECTION 4 — STEP-BY-STEP WORKFLOW
   ========================================================================== */
.steps-container {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin-top: 36px;
}

.step-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 36px 32px;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(16px);
  transition: all 0.3s ease;
}

.step-card:hover {
  border-color: var(--card-hover-border);
}

.step-card.active-step {
  border-color: rgba(224, 38, 148, 0.4);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6), 0 0 24px rgba(224, 38, 148, 0.08);
}

.step-number {
  position: absolute;
  top: 18px;
  right: 28px;
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  font-weight: 900;
  line-height: 1;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 0.25;
  user-select: none;
  pointer-events: none;
}

.step-badge {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent-gold);
  margin-bottom: 8px;
}

.step-title {
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  margin-bottom: 10px;
}

.step-desc {
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 680px;
  margin-bottom: 24px;
}

/* Step 1 Form Inputs */
.step-form-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
  align-items: flex-end;
}

.step-input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  min-width: 180px;
}

.step-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.step-input {
  padding: 12px 16px;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: all 0.2s ease;
}

.step-input:focus {
  border-color: var(--accent-magenta);
  box-shadow: 0 0 0 2px rgba(224, 38, 148, 0.3);
}

/* Result Panels */
.result-panel {
  margin-top: 24px;
  padding: 20px;
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  animation: fadeIn 0.4s ease forwards;
  display: none;
}

.result-panel.visible {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.result-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.result-panel-title {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-gold);
}

.result-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 600px) {
  .result-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.result-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.field-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.field-value {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--text-primary);
  word-break: break-all;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 4px 10px;
  border-radius: 6px;
  white-space: nowrap;
}

.badge-pass {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: var(--accent-green);
}

.badge-fail {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: var(--accent-red);
}

.badge-polygon {
  background: rgba(138, 43, 226, 0.15);
  border: 1px solid rgba(138, 43, 226, 0.4);
  color: #C084FC;
}

.badge-arbitrum {
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.4);
  color: var(--accent-cyan);
}

/* Blockchain Anchor Rows in Step 3 */
.anchor-chain-row {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 14px 16px;
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

@media (min-width: 680px) {
  .anchor-chain-row {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.chain-meta-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.chain-tx-link {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent-cyan);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.chain-tx-link:hover {
  text-decoration: underline;
  color: #FFFFFF;
}

/* Step 4 Chargeback Specific */
.rebuttal-box {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--card-border);
  border-left: 3px solid var(--accent-green);
  border-radius: 8px;
  padding: 14px;
  margin-top: 12px;
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--text-secondary);
}

.cdp-action-row {
  margin-top: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 12px;
}

/* Inline Warning / Info / Rate Limit */
.sim-alert {
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 0.88rem;
  margin-top: 16px;
  display: none;
  align-items: flex-start;
  gap: 10px;
}

.sim-alert.visible {
  display: flex;
}

.sim-alert-error {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #FCA5A5;
}

.sim-alert-rate {
  background: rgba(255, 184, 0, 0.12);
  border: 1px solid rgba(255, 184, 0, 0.35);
  color: #FDE68A;
}

/* ==========================================================================
   SECTION 5 — LIVE IMMUTABLE LEDGER
   ========================================================================== */
.ledger-table-wrap {
  margin-top: 24px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.ledger-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  display: none; /* Shown on tablet/desktop */
}

@media (min-width: 768px) {
  .ledger-table {
    display: table;
  }
}

.ledger-table th {
  background: rgba(0, 0, 0, 0.5);
  padding: 14px 18px;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--card-border);
}

.ledger-table td {
  padding: 14px 18px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  vertical-align: middle;
}

.ledger-row-pass td:first-child {
  border-left: 3px solid var(--accent-green);
}

.ledger-row-fail td:first-child {
  border-left: 3px solid var(--accent-red);
}

.ledger-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* Mobile Card View for Ledger (< 768px) */
.ledger-mobile-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
}

@media (min-width: 768px) {
  .ledger-mobile-cards {
    display: none;
  }
}

.ledger-card-item {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ledger-card-item.pass {
  border-left: 3px solid var(--accent-green);
}

.ledger-card-item.fail {
  border-left: 3px solid var(--accent-red);
}

.ledger-card-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

.ledger-card-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

/* ==========================================================================
   SECTION 6 — POLYSIGNATURE™ STATUS PANEL
   ========================================================================== */
.chain-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 28px;
}

@media (min-width: 768px) {
  .chain-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.chain-status-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.chain-status-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}

.chain-polygon::before {
  background: linear-gradient(90deg, #8A2BE2, #C084FC);
}

.chain-arbitrum::before {
  background: linear-gradient(90deg, #38BDF8, #2563EB);
}

.chain-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.chain-name {
  font-size: 1.35rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.chain-metric-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.92rem;
}

.chain-metric-row:last-child {
  border-bottom: none;
}

.chain-metric-label {
  color: var(--text-muted);
  font-size: 0.82rem;
}

.chain-metric-val {
  font-family: var(--font-mono);
  color: #FFFFFF;
  font-weight: 600;
}

.chain-callout {
  margin-top: 24px;
  background: rgba(255, 184, 0, 0.05);
  border: 1px solid rgba(255, 184, 0, 0.25);
  border-radius: 12px;
  padding: 16px 20px;
  font-size: 0.95rem;
  color: #FFFFFF;
  text-align: center;
  font-weight: 500;
}

/* ==========================================================================
   SECTION 7 — SIMULATOR STATISTICS
   ========================================================================== */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 28px;
}

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.sim-stat-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 30px 24px;
  text-align: center;
  position: relative;
  transition: all 0.3s ease;
}

.sim-stat-card:hover {
  border-color: var(--card-hover-border);
  transform: translateY(-2px);
}

.sim-stat-val {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 8px;
}

.sim-stat-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
}

/* ==========================================================================
   SECTION 8 — THE PITCH
   ========================================================================== */
.pitch-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 44px 36px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
}

.pitch-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 20px;
  padding: 1px;
  background: var(--gradient-brand);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.pitch-title {
  font-size: clamp(1.8rem, 3.2vw, 2.3rem);
  margin-bottom: 14px;
}

.pitch-body {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

.pitch-cta-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

@media (min-width: 600px) {
  .pitch-cta-row {
    flex-direction: row;
    gap: 20px;
  }
}

/* ==========================================================================
   SECTION 9 — FOOTER
   ========================================================================== */
.sim-footer {
  border-top: 1px solid var(--card-border);
  padding: 48px 0 32px;
  margin-top: 50px;
  text-align: center;
}

.footer-shield-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 12px;
}

.footer-company-name {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: #FFFFFF;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.footer-polysignature-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
}

.footer-polysignature-cursive {
  font-family: var(--font-cursive);
  font-size: 1.6rem;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  letter-spacing: 0.05em;
}

/* ==========================================================================
   MODAL: VIEW FULL CDP JSON
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-backdrop.visible {
  display: flex;
}

.modal-content {
  background: #0d0d0d;
  border: 1px solid var(--card-border);
  border-radius: 16px;
  width: 100%;
  max-width: 720px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.9);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--card-border);
}

.modal-title {
  font-size: 1.15rem;
  font-weight: 700;
}

.modal-close-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px 8px;
  transition: color 0.2s;
}

.modal-close-btn:hover {
  color: #FFFFFF;
}

.modal-body {
  padding: 24px;
  overflow-y: auto;
}

.code-viewer {
  background: #050505;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: #38BDF8;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-all;
}